INFO: task hung in dump_header (2)
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syzbot
Dec 22, 2021, 10:02:23 PM12/22/21
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=166e1595b00000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=8702669ee3b49467f32a
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+870266...@syzkaller.appspotmail.com
Out of memory: Kill process 31416 (syz-executor.5) score 1002 or sacrifice child
Killed process 31416 (syz-executor.5) total-vm:57196kB, anon-rss:2436kB, file-rss:14144kB, shmem-rss:0kB
oom_reaper: reaped process 31416 (syz-executor.5), now anon-rss:0kB, file-rss:14144kB, shmem-rss:0kB
INFO: task syz-executor.5:4388 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
kworker/u4:2 invoked oom-killer: gfp_mask=0x7080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D26928 4388 4340 0x00000000
kworker/u4:2 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 87 Comm: kworker/u4:2 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound call_usermodehelper_exec_work
IPVS: ftp: loaded support on port[0] = 21
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
dump_header+0x15d/0xc3f mm/oom_kill.c:443
oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956
out_of_memory mm/oom_kill.c:1132 [inline]
out_of_memory+0x34d/0x1390 mm/oom_kill.c:1064
IPVS: ftp: loaded support on port[0] = 21
__alloc_pages_may_oom mm/page_alloc.c:3553 [inline]
__alloc_pages_slowpath mm/page_alloc.c:4255 [inline]
__alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
alloc_pages_node include/linux/gfp.h:523 [inline]
alloc_thread_stack_node kernel/fork.c:240 [inline]
dup_task_struct kernel/fork.c:811 [inline]
copy_process.part.0+0x3cf/0x8260 kernel/fork.c:1753
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
kernel_thread+0x2f/0x40 kernel/fork.c:2278
call_usermodehelper_exec_work kernel/umh.c:199 [inline]
call_usermodehelper_exec_work+0x16d/0x260 kernel/umh.c:185
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
IPVS: ftp: loaded support on port[0] = 21
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
Mem-Info:
active_anon:191268 inactive_anon:9101 isolated_anon:0
active_file:72 inactive_file:49 isolated_file:36
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:53325 slab_unreclaimable:1232303
mapped:11542 shmem:10673 pagetables:59644 bounce:0
free:24589 free_pcp:186 free_cma:0
Node 0 active_anon:758496kB inactive_anon:34384kB active_file:12kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:45664kB dirty:0kB writeback:0kB shmem:40672kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 1 active_anon:6576kB inactive_anon:2020kB active_file:152kB inactive_file:188kB unevictable:0kB isolated(anon):0kB isolated(file):36kB mapped:404kB dirty:0kB writeback:0kB shmem:2020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 0 DMA free:10952kB min:204kB low:252kB high:300kB active_anon:4kB inactive_anon:1020kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:33768kB min:35996kB low:44992kB high:53988kB active_anon:758492kB inactive_anon:33364kB active_file:12kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:29376kB pagetables:56460kB bounce:0kB free_pcp:184kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:53636kB min:53876kB low:67344kB high:80812kB active_anon:6576kB inactive_anon:2020kB active_file:228kB inactive_file:120kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:103712kB pagetables:182028kB bounce:0kB free_pcp:664kB local_pcp:632kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 4*4kB (UM) 3*8kB (M) 4*16kB (UME) 3*32kB (ME) 2*64kB (M) 5*128kB (UE) 5*256kB (UME) 3*512kB (UME) 1*1024kB (E) 1*2048kB (E) 1*4096kB (M) = 10952kB
Node 0 DMA32: 604*4kB (UME) 875*8kB (ME) 634*16kB (ME) 445*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 33800kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 23*4kB (UM) 256*8kB (UM) 212*16kB (UM) 197*32kB (UM) 7*64kB (UM) 1*128kB (M) 5*256kB (UM) 2*512kB (ME) 2*1024kB (ME) 2*2048kB (UE) 8*4096kB (M) = 53628kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
10753 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
Unreclaimable slab info:
Name Used Total
pid_2 329KB 552KB
batadv_tl_cache 4KB 12KB
TIPC 2943KB 2947KB
SCTPv6 8066KB 8068KB
SCTP 11KB 11KB
sctp_chunk 2KB 3KB
sctp_bind_bucket 0KB 3KB
DCCPv6 9760KB 9765KB
DCCP 9272KB 9276KB
RXRPC 3189KB 3191KB
rxrpc_call_jar 22072KB 22073KB
bridge_fdb_cache 9KB 15KB
fib6_nodes 169KB 252KB
ip6_dst_cache 206KB 498KB
RAWv6 39629KB 39629KB
UDPLITEv6 1KB 3KB
UDPv6 3755KB 3757KB
tw_sock_TCPv6 0KB 3KB
TCPv6 5997KB 6000KB
nf_conntrack 201KB 213KB
t10_alua_lu_gp_cache 0KB 3KB
sd_ext_cdb 0KB 7KB
scsi_sense_cache 1056KB 1060KB
virtio_scsi_cmd 16KB 16KB
sgpool-128 8KB 8KB
sgpool-64 4KB 12KB
sgpool-32 2KB 15KB
sgpool-16 1KB 7KB
sgpool-8 0KB 7KB
mqueue_inode_cache 18KB 30KB
bio_post_read_ctx 14KB 15KB
bio-2 14KB 15KB
jfs_mp 7KB 7KB
cifs_small_rq 15KB 16KB
cifs_request 67KB 67KB
cifs_mpx_ids 0KB 7KB
nfs_commit_data 3KB 14KB
nfs_write_data 34KB 44KB
ext4_system_zone 1KB 7KB
dio 3KB 7KB
bio-1 1KB 7KB
pid_namespace 2KB 7KB
kvm_vcpu 23KB 23KB
rpc_buffers 17KB 25KB
rpc_tasks 2KB 7KB
UNIX 196KB 198KB
tcp_bind_bucket 247KB 252KB
inet_peer_cache 0KB 4KB
xfrm_state 2KB 4KB
ip_fib_trie 23KB 35KB
ip_fib_alias 110KB 158KB
ip_dst_cache 9KB 80KB
RAW 23490KB 23490KB
UDP 6631KB 6635KB
request_sock_TCP 0KB 3KB
TCP 180KB 185KB
hugetlbfs_inode_cache 3KB 15KB
fscache_cookie_jar 1KB 7KB
eventpoll_pwq 17KB 35KB
eventpoll_epi 32KB 43KB
inotify_inode_mark 6KB 23KB
request_queue 196KB 196KB
blkdev_requests 1KB 3KB
blkdev_ioc 42KB 42KB
bio-0 10833KB 10833KB
biovec-max 4405KB 4405KB
biovec-64 8759KB 8764KB
biovec-16 2059KB 2062KB
bio_integrity_payload 1KB 8KB
khugepaged_mm_slot 247KB 384KB
user_namespace 2KB 7KB
uid_cache 0KB 4KB
dmaengine-unmap-2 0KB 3KB
skbuff_fclone_cache 26KB 30KB
skbuff_head_cache 15803KB 15817KB
configfs_dir_cache 3KB 7KB
file_lock_cache 12KB 19KB
file_lock_ctx 9KB 11KB
fsnotify_mark_connector 2KB 15KB
net_namespace 34247KB 34247KB
shmem_inode_cache 7953KB 8201KB
task_delay_info 1361KB 2118KB
taskstats 12KB 61KB
proc_dir_entry 177190KB 177191KB
pde_opener 2KB 3KB
seq_file 133KB 137KB
sigqueue 157KB 161KB
kernfs_node_cache 509655KB 509658KB
mnt_cache 288KB 312KB
filp 4941KB 5992KB
names_cache 60137KB 60158KB
iint_cache 63KB 87KB
key_jar 9KB 18KB
uts_namespace 3KB 7KB
nsproxy 341KB 343KB
vm_area_struct 35360KB 35361KB
mm_struct 6729KB 6734KB
fs_cache 1826KB 2824KB
files_cache 6656KB 9405KB
signal_cache 10038KB 14295KB
sighand_cache 9869KB 9899KB
task_struct 43398KB 43411KB
cred_jar 4109KB 6376KB
anon_vma_chain 43715KB 43718KB
anon_vma 10881KB 10884KB
pid 447KB 960KB
Acpi-Operand 156KB 198KB
Acpi-ParseExt 9KB 11KB
Acpi-Parse 41KB 47KB
Acpi-State 52KB 63KB
Acpi-Namespace 20KB 27KB
numa_policy 0KB 3KB
debug_objects_cache 39622KB 39624KB
trace_event_file 297KB 298KB
ftrace_event_field 398KB 401KB
pool_workqueue 4036KB 4036KB
page->ptl 6744KB 6755KB
kmalloc-2097152 2050KB 2050KB
kmalloc-524288 2056KB 2056KB
kmalloc-262144 1290KB 1290KB
kmalloc-131072 1690KB 1690KB
kmalloc-65536 2244KB 2574KB
kmalloc-32768 218295KB 218295KB
kmalloc-16384 65620KB 65620KB
kmalloc-8192 149118KB 149118KB
kmalloc-4096 662698KB 662698KB
kmalloc-2048 539112KB 539114KB
kmalloc-1024 215787KB 215790KB
kmalloc-512 188295KB 201806KB
kmalloc-256 111876KB 113430KB
kmalloc-128 56949KB 56995KB
kmalloc-96 16477KB 17204KB
kmalloc-64 38699KB 40008KB
kmalloc-32 34378KB 35307KB
kmalloc-192 75927KB 77576KB
kmem_cache 178KB 187KB
Out of memory: Kill process 31547 (syz-executor.5) score 1002 or sacrifice child
Killed process 31547 (syz-executor.5) total-vm:57196kB, anon-rss:2436kB, file-rss:14144kB, shmem-rss:0kB
oom_reaper: reaped process 31547 (syz-executor.5), now anon-rss:0kB, file-rss:14144kB, shmem-rss:0kB
rs:main Q:Reg invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
rs:main Q:Reg cpuset=/ mems_allowed=0-1
CPU: 0 PID: 31152 Comm: rs:main Q:Reg Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
ops_init+0xb3/0x410 net/core/net_namespace.c:129
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
dump_header+0x15d/0xc3f mm/oom_kill.c:443
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956
out_of_memory mm/oom_kill.c:1114 [inline]
out_of_memory+0x1072/0x1390 mm/oom_kill.c:1064
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
__alloc_pages_may_oom mm/page_alloc.c:3553 [inline]
__alloc_pages_slowpath mm/page_alloc.c:4255 [inline]
__alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4419
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
alloc_pages_current+0x193/0x2a0 mm/mempolicy.c:2197
alloc_pages include/linux/gfp.h:532 [inline]
__page_cache_alloc mm/filemap.c:969 [inline]
page_cache_read mm/filemap.c:2408 [inline]
filemap_fault+0x146e/0x2180 mm/filemap.c:2592
ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6379
__do_fault+0x10b/0x4b0 mm/memory.c:3403
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
do_read_fault mm/memory.c:3815 [inline]
do_fault mm/memory.c:3944 [inline]
handle_pte_fault mm/memory.c:4175 [inline]
__handle_mm_fault+0x273b/0x41c0 mm/memory.c:4299
handle_mm_fault+0x436/0xb10 mm/memory.c:4336
__do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x55c57ff20ef8
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
Code: Bad RIP value.
RSP: 002b:00007f4cb9e147d8 EFLAGS: 00010206
RAX: 0000000000000000 RBX: 00007f4cac031220 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007f4cac031238
RBP: 00007f4cac031238 R08: 00007f4cac031238 R09: 0000000000000000
R10: 000055c5801a4280 R11: 00007f4cb0007b88 R12: 00007f4cac031220
R13: 0000000000000000 R14: 00007f4cac031220 R15: 00007f4cb0015890
Mem-Info:
active_anon:191270 inactive_anon:9101 isolated_anon:0
active_file:12 inactive_file:13 isolated_file:11
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:53360 slab_unreclaimable:1232535
mapped:11479 shmem:10673 pagetables:59687 bounce:0
free:24419 free_pcp:233 free_cma:0
Node 0 active_anon:758496kB inactive_anon:34384kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):12kB mapped:45664kB dirty:0kB writeback:0kB shmem:40672kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 1 active_anon:6584kB inactive_anon:2020kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:252kB dirty:0kB writeback:0kB shmem:2020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
INFO: task syz-executor.5:4473 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D26792 4473 4388 0x00000000
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
vti_init_net+0x2a/0x370 net/ipv4/ip_vti.c:520
ops_init+0xb3/0x410 net/core/net_namespace.c:129
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
INFO: task syz-executor.5:4674 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D26880 4674 4474 0x00000000
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
ops_init+0xb3/0x410 net/core/net_namespace.c:129
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
INFO: task syz-executor.5:4685 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D26712 4685 4478 0x00000000
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
ops_init+0xb3/0x410 net/core/net_namespace.c:129
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
INFO: task syz-executor.5:4987 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D26792 4987 4473 0x00000000
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
ops_init+0xb3/0x410 net/core/net_namespace.c:129
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
INFO: task syz-executor.5:5037 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D26752 5037 4621 0x00000000
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
ops_init+0xb3/0x410 net/core/net_namespace.c:129
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Node 0 DMA free:10888kB min:204kB low:252kB high:300kB active_anon:4kB inactive_anon:1020kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
Code: Bad RIP value.
lowmem_reserve[]: 0 2693 2695 2695 2695
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
Node 0 DMA32 free:33008kB min:35996kB low:44992kB high:53988kB active_anon:758492kB inactive_anon:33364kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:29376kB pagetables:56460kB bounce:0kB free_pcp:252kB local_pcp:252kB free_cma:0kB
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
INFO: task syz-executor.5:5513 blocked for more than 140 seconds.
lowmem_reserve[]: 0 0 1 1 1
Not tainted 4.19.211-syzkaller #0
Node 0 Normal free:0kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
lowmem_reserve[]: 0 0 0 0 0
syz-executor.5 D26920 5513 4595 0x00000000
Node 1 Normal free:53748kB min:53876kB low:67344kB high:80812kB active_anon:6584kB inactive_anon:2020kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:103776kB pagetables:182200kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB
Call Trace:
lowmem_reserve[]: 0 0 0 0 0
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
Node 0 DMA: 4*4kB (UM) 3*8kB (M) 4*16kB (UME) 3*32kB (ME) 3*64kB (UM) 4*128kB (UE) 5*256kB (UME) 3*512kB (UME) 1*1024kB (E) 1*2048kB (E) 1*4096kB (M) = 10888kB
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
Node 0 DMA32: 542*4kB (ME) 841*8kB (UME) 618*16kB (ME) 437*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 32768kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
ops_init+0xb3/0x410 net/core/net_namespace.c:129
Node 1 Normal: 41*4kB (UM) 209*8kB (UME) 223*16kB (UME) 198*32kB (UME) 10*64kB (UME) 1*128kB (M) 5*256kB (UM) 2*512kB (ME) 2*1024kB (ME) 2*2048kB (UE) 8*4096kB (M) = 53724kB
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
10706 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
Unreclaimable slab info:
Name Used Total
pid_2 326KB 552KB
batadv_tl_cache 4KB 12KB
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
TIPC 2943KB 2947KB
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
SCTPv6 8072KB 8074KB
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
SCTP 11KB 11KB
sctp_chunk 2KB 3KB
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
sctp_bind_bucket 0KB 3KB
DCCPv6 9767KB 9772KB
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
DCCP 9279KB 9283KB
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RXRPC 3188KB 3191KB
rxrpc_call_jar 22072KB 22073KB
bridge_fdb_cache 9KB 15KB
fib6_nodes 169KB 252KB
ip6_dst_cache 206KB 498KB
RAWv6 39642KB 39642KB
UDPLITEv6 1KB 3KB
UDPv6 3755KB 3757KB
tw_sock_TCPv6 0KB 3KB
TCPv6 5997KB 6000KB
nf_conntrack 201KB 213KB
t10_alua_lu_gp_cache 0KB 3KB
sd_ext_cdb 0KB 7KB
scsi_sense_cache 1056KB 1060KB
virtio_scsi_cmd 16KB 16KB
sgpool-128 8KB 8KB
sgpool-64 4KB 12KB
sgpool-32 2KB 15KB
sgpool-16 1KB 7KB
sgpool-8 0KB 7KB
mqueue_inode_cache 18KB 30KB
bio_post_read_ctx 14KB 15KB
bio-2 14KB 15KB
jfs_mp 7KB 7KB
cifs_small_rq 15KB 16KB
cifs_request 67KB 67KB
cifs_mpx_ids 0KB 7KB
nfs_commit_data 3KB 14KB
nfs_write_data 34KB 44KB
ext4_system_zone 1KB 7KB
dio 3KB 7KB
bio-1 1KB 7KB
pid_namespace 2KB 7KB
kvm_vcpu 23KB 23KB
rpc_buffers 17KB 25KB
rpc_tasks 2KB 7KB
UNIX 195KB 198KB
tcp_bind_bucket 246KB 252KB
inet_peer_cache 0KB 4KB
xfrm_state 2KB 4KB
ip_fib_trie 23KB 35KB
ip_fib_alias 110KB 158KB
ip_dst_cache 9KB 80KB
RAW 23490KB 23490KB
UDP 6631KB 6635KB
request_sock_TCP 0KB 3KB
TCP 180KB 185KB
hugetlbfs_inode_cache 3KB 15KB
fscache_cookie_jar 1KB 7KB
eventpoll_pwq 17KB 35KB
eventpoll_epi 32KB 43KB
inotify_inode_mark 6KB 23KB
request_queue 196KB 196KB
blkdev_requests 1KB 3KB
blkdev_ioc 39KB 42KB
bio-0 10835KB 10837KB
biovec-max 4405KB 4405KB
biovec-64 8762KB 8764KB
biovec-16 2059KB 2062KB
bio_integrity_payload 1KB 8KB
khugepaged_mm_slot 247KB 384KB
user_namespace 2KB 7KB
uid_cache 0KB 4KB
dmaengine-unmap-2 0KB 3KB
skbuff_fclone_cache 26KB 30KB
skbuff_head_cache 15943KB 15956KB
configfs_dir_cache 3KB 7KB
file_lock_cache 12KB 19KB
file_lock_ctx 9KB 11KB
fsnotify_mark_connector 2KB 15KB
net_namespace 34247KB 34247KB
shmem_inode_cache 7953KB 8201KB
task_delay_info 1361KB 2118KB
taskstats 12KB 61KB
proc_dir_entry 177208KB 177210KB
pde_opener 2KB 3KB
seq_file 132KB 137KB
sigqueue 156KB 161KB
kernfs_node_cache 509697KB 509697KB
mnt_cache 288KB 312KB
filp 4941KB 5992KB
names_cache 60137KB 60158KB
iint_cache 57KB 87KB
key_jar 9KB 18KB
uts_namespace 3KB 7KB
nsproxy 341KB 343KB
vm_area_struct 35360KB 35361KB
mm_struct 6729KB 6734KB
fs_cache 1826KB 2824KB
files_cache 6656KB 9405KB
signal_cache 10038KB 14295KB
sighand_cache 9869KB 9899KB
task_struct 43423KB 43423KB
cred_jar 4109KB 6376KB
anon_vma_chain 43715KB 43718KB
anon_vma 10881KB 10884KB
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
pid 447KB 960KB
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
INFO: task syz-executor.5:5639 blocked for more than 140 seconds.
Acpi-Operand 156KB 198KB
Not tainted 4.19.211-syzkaller #0
Acpi-ParseExt 9KB 11KB
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Acpi-Parse 41KB 47KB
syz-executor.5 D26840 5639 5102 0x00000000
Acpi-State 52KB 63KB
Acpi-Namespace 20KB 27KB
numa_policy 0KB 3KB
debug_objects_cache 39641KB 39643KB
Call Trace:
trace_event_file 297KB 298KB
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
ftrace_event_field 398KB 401KB
pool_workqueue 4036KB 4036KB
page->ptl 6744KB 6755KB
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
ops_init+0xb3/0x410 net/core/net_namespace.c:129
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
kmalloc-2097152 2050KB 2050KB
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
kmalloc-524288 2056KB 2056KB
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
kmalloc-262144 1290KB 1290KB
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
kmalloc-131072 1690KB 1690KB
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
kmalloc-65536 2244KB 2574KB
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
kmalloc-32768 218328KB 218328KB
kmalloc-16384 65620KB 65620KB
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
kmalloc-8192 149151KB 149151KB
INFO: task syz-executor.5:5739 blocked for more than 140 seconds.
kmalloc-4096 662787KB 662787KB
Not tainted 4.19.211-syzkaller #0
kmalloc-2048 539157KB 539159KB
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kmalloc-1024 215858KB 215861KB
kmalloc-512 188573KB 202076KB
kmalloc-256 111895KB 113448KB
kmalloc-128 56953KB 56999KB
kmalloc-96 16505KB 17232KB
kmalloc-64 38699KB 40008KB
syz-executor.5 D26792 5739 4621 0x00000000
kmalloc-32 34394KB 35323KB
Call Trace:
kmalloc-192 75934KB 77580KB
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
kmem_cache 178KB 187KB
Out of memory (oom_kill_allocating_task): Kill process 31152 (rs:main Q:Reg) score 0 or sacrifice child
Killed process 31010 (rsyslogd) total-vm:254332kB, anon-rss:1112kB, file-rss:0kB, shmem-rss:0kB
oom_reaper: reaped process 31010 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
systemd-udevd invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
ops_init+0xb3/0x410 net/core/net_namespace.c:129
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
INFO: task syz-executor.5:5922 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D26560 5922 5157 0x00000000
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
ops_init+0xb3/0x410 net/core/net_namespace.c:129
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
Showing all locks held in the system:
3 locks held by systemd/1:
3 locks held by kworker/0:0/5:
#0: 000000005acfa9ce ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 0000000066fde618 (deferred_process_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 000000009865e659 (rtnl_mutex){+.+.}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:150
3 locks held by kworker/u4:0/7:
#0: 000000001eea016d ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 000000007b32283a ((work_completion)(&sub_info->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
3 locks held by kworker/u4:2/87:
#0: 000000001eea016d ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 0000000065caf3d7 ((work_completion)(&sub_info->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
4 locks held by kworker/u4:3/214:
#0: 00000000d68d44f9 ((wq_completion)"%s""netns"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 00000000c1c5f2af (net_cleanup_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: cleanup_net+0xa8/0x8b0 net/core/net_namespace.c:521
#3: 000000009865e659 (rtnl_mutex){+.+.}, at: ip6gre_exit_batch_net+0x82/0x6c0 net/ipv6/ip6_gre.c:1632
1 lock held by khungtaskd/1571:
#0: 000000005d20baef (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
3 locks held by kworker/1:2/3582:
#0: 00000000b0d1d4d5 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 0000000017e778b0 ((addr_chk_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 000000009865e659 (rtnl_mutex){+.+.}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4476
3 locks held by kworker/0:2/3636:
#0: 000000005acfa9ce ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 00000000bf4c4252 ((linkwatch_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 000000009865e659 (rtnl_mutex){+.+.}, at: linkwatch_event+0xb/0x60 net/core/link_watch.c:236
3 locks held by systemd-udevd/4703:
3 locks held by syz-fuzzer/8095:
#0: 00000000cef0d2d3 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
#1: 00000000ee3f9fbc (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
3 locks held by syz-fuzzer/8096:
#0: 00000000cef0d2d3 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
#1: 00000000ee3f9fbc (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
3 locks held by syz-fuzzer/8097:
#0: 00000000cef0d2d3 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
#1: 00000000ee3f9fbc (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
3 locks held by syz-fuzzer/8102:
#0: 00000000cef0d2d3 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
#1: 00000000ee3f9fbc (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
3 locks held by kworker/0:3/9343:
#0: 00000000b0d1d4d5 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 00000000b2c919e2 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 000000009865e659 (rtnl_mutex){+.+.}, at: addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989
1 lock held by syz-executor.3/2718:
#0: 000000009865e659 (rtnl_mutex){+.+.}, at: tun_detach drivers/net/tun.c:759 [inline]
#0: 000000009865e659 (rtnl_mutex){+.+.}, at: tun_chr_close+0x3a/0x180 drivers/net/tun.c:3323
2 locks held by syz-executor.5/4340:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4388:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/4390:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/4473:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/4474:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4478:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4486:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4595:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4621:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4641:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4674:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/4677:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4685:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/4729:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/4894:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/4903:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4952:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/4953:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4987:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5005:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/5037:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5079:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/5102:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/5157:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5166:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
systemd-udevd cpuset=/ mems_allowed=0-1
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
CPU: 0 PID: 31515 Comm: systemd-udevd Not tainted 4.19.211-syzkaller #0
2 locks held by syz-executor.5/5230:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
dump_header+0x15d/0xc3f mm/oom_kill.c:443
oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
out_of_memory mm/oom_kill.c:1132 [inline]
out_of_memory+0x34d/0x1390 mm/oom_kill.c:1064
__alloc_pages_may_oom mm/page_alloc.c:3553 [inline]
__alloc_pages_slowpath mm/page_alloc.c:4255 [inline]
__alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4419
2 locks held by syz-executor.5/5231:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
alloc_pages_current+0x193/0x2a0 mm/mempolicy.c:2197
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
alloc_pages include/linux/gfp.h:532 [inline]
__page_cache_alloc mm/filemap.c:969 [inline]
page_cache_read mm/filemap.c:2408 [inline]
filemap_fault+0x146e/0x2180 mm/filemap.c:2592
2 locks held by syz-executor.5/5232:
ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6379
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
__do_fault+0x10b/0x4b0 mm/memory.c:3403
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
do_read_fault mm/memory.c:3815 [inline]
do_fault mm/memory.c:3944 [inline]
handle_pte_fault mm/memory.c:4175 [inline]
__handle_mm_fault+0x273b/0x41c0 mm/memory.c:4299
handle_mm_fault+0x436/0xb10 mm/memory.c:4336
__do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412
2 locks held by syz-executor.5/5401:
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x55588c1292f4
Code: Bad RIP value.
RSP: 002b:00007ffdc618d8b0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 858e694c9b2102af RCX: 000055588c156c28
RDX: 00007ffdc618d8e0 RSI: 0000000000000000 RDI: 00007ffdc618d8d0
RBP: 0000000000007b02 R08: 00007ffdc618d8d0 R09: 0000000000007b02
R10: dbeef62101b3b199 R11: c12ec22586cbf009 R12: 0000000000007b02
R13: 000055588cdb5520 R14: 000055588cda8010 R15: 000055588cda8028
Mem-Info:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
active_anon:190972 inactive_anon:9101 isolated_anon:0
active_file:12 inactive_file:238 isolated_file:42
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:53359 slab_unreclaimable:1232365
mapped:11599 shmem:10673 pagetables:59657 bounce:0
free:24473 free_pcp:425 free_cma:0
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
Node 0 active_anon:757392kB inactive_anon:34384kB active_file:12kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:45664kB dirty:0kB writeback:0kB shmem:40672kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
2 locks held by syz-executor.5/5435:
Node 1 active_anon:6496kB inactive_anon:2020kB active_file:36kB inactive_file:940kB unevictable:0kB isolated(anon):0kB isolated(file):168kB mapped:832kB dirty:0kB writeback:0kB shmem:2020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Node 0 DMA free:10888kB min:204kB low:252kB high:300kB active_anon:4kB inactive_anon:1020kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
lowmem_reserve[]: 0 2693 2695 2695 2695
2 locks held by syz-executor.5/5436:
Node 0 DMA32 free:33320kB min:35996kB low:44992kB high:53988kB active_anon:757388kB inactive_anon:33364kB active_file:12kB inactive_file:12kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:29248kB pagetables:56340kB bounce:0kB free_pcp:932kB local_pcp:484kB free_cma:0kB
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
lowmem_reserve[]: 0 0 1 1 1
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
Node 0 Normal free:0kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
2 locks held by syz-executor.5/5471:
lowmem_reserve[]: 0 0 0 0 0
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Node 1 Normal free:53684kB min:53876kB low:67344kB high:80812kB active_anon:6496kB inactive_anon:2020kB active_file:36kB inactive_file:844kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:103776kB pagetables:182200kB bounce:0kB free_pcp:820kB local_pcp:496kB free_cma:0kB
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
lowmem_reserve[]: 0 0 0 0 0
2 locks held by syz-executor.5/5500:
Node 0 DMA: 4*4kB (UM) 3*8kB (M) 4*16kB (UME) 3*32kB (ME) 3*64kB (UM) 4*128kB (UE) 5*256kB (UME) 3*512kB (UME) 1*1024kB (E) 1*2048kB (E) 1*4096kB (M) = 10888kB
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Node 0 DMA32: 432*4kB (UME) 843*8kB (UME) 679*16kB (UME) 436*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 33288kB
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
2 locks held by syz-executor.5/5511:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
Node 1 Normal: 3*4kB (UME) 319*8kB (UE) 237*16kB (UM) 193*32kB (UE) 3*64kB (E) 2*128kB (UM) 3*256kB (U) 2*512kB (ME) 2*1024kB (ME) 2*2048kB (UE) 8*4096kB (M) = 53684kB
2 locks held by syz-executor.5/5513:
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
10948 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
Unreclaimable slab info:
Name Used Total
pid_2 322KB 552KB
batadv_tl_cache 4KB 12KB
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
TIPC 2943KB 2947KB
2 locks held by syz-executor.5/5555:
SCTPv6 8074KB 8074KB
SCTP 11KB 11KB
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
sctp_chunk 2KB 3KB
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
sctp_bind_bucket 0KB 3KB
DCCPv6 9772KB 9772KB
DCCP 9283KB 9283KB
RXRPC 3188KB 3191KB
2 locks held by syz-executor.5/5562:
rxrpc_call_jar 22072KB 22073KB
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
bridge_fdb_cache 9KB 15KB
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/5575:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/5576:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5577:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/5589:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5620:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5639:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5739:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5740:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5754:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/5802:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/5812:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5862:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5909:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5922:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5989:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/6052:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/6068:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/6120:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/6179:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/d
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=166e1595b00000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=8702669ee3b49467f32a
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+870266...@syzkaller.appspotmail.com
Out of memory: Kill process 31416 (syz-executor.5) score 1002 or sacrifice child
Killed process 31416 (syz-executor.5) total-vm:57196kB, anon-rss:2436kB, file-rss:14144kB, shmem-rss:0kB
oom_reaper: reaped process 31416 (syz-executor.5), now anon-rss:0kB, file-rss:14144kB, shmem-rss:0kB
INFO: task syz-executor.5:4388 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
kworker/u4:2 invoked oom-killer: gfp_mask=0x7080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D26928 4388 4340 0x00000000
kworker/u4:2 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 87 Comm: kworker/u4:2 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound call_usermodehelper_exec_work
IPVS: ftp: loaded support on port[0] = 21
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
dump_header+0x15d/0xc3f mm/oom_kill.c:443
oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956
out_of_memory mm/oom_kill.c:1132 [inline]
out_of_memory+0x34d/0x1390 mm/oom_kill.c:1064
IPVS: ftp: loaded support on port[0] = 21
__alloc_pages_may_oom mm/page_alloc.c:3553 [inline]
__alloc_pages_slowpath mm/page_alloc.c:4255 [inline]
__alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4419
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
alloc_pages_node include/linux/gfp.h:523 [inline]
alloc_thread_stack_node kernel/fork.c:240 [inline]
dup_task_struct kernel/fork.c:811 [inline]
copy_process.part.0+0x3cf/0x8260 kernel/fork.c:1753
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
kernel_thread+0x2f/0x40 kernel/fork.c:2278
call_usermodehelper_exec_work kernel/umh.c:199 [inline]
call_usermodehelper_exec_work+0x16d/0x260 kernel/umh.c:185
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
IPVS: ftp: loaded support on port[0] = 21
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
Mem-Info:
active_anon:191268 inactive_anon:9101 isolated_anon:0
active_file:72 inactive_file:49 isolated_file:36
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:53325 slab_unreclaimable:1232303
mapped:11542 shmem:10673 pagetables:59644 bounce:0
free:24589 free_pcp:186 free_cma:0
Node 0 active_anon:758496kB inactive_anon:34384kB active_file:12kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:45664kB dirty:0kB writeback:0kB shmem:40672kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 1 active_anon:6576kB inactive_anon:2020kB active_file:152kB inactive_file:188kB unevictable:0kB isolated(anon):0kB isolated(file):36kB mapped:404kB dirty:0kB writeback:0kB shmem:2020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 0 DMA free:10952kB min:204kB low:252kB high:300kB active_anon:4kB inactive_anon:1020kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:33768kB min:35996kB low:44992kB high:53988kB active_anon:758492kB inactive_anon:33364kB active_file:12kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:29376kB pagetables:56460kB bounce:0kB free_pcp:184kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 1 1 1
Node 0 Normal free:0kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:53636kB min:53876kB low:67344kB high:80812kB active_anon:6576kB inactive_anon:2020kB active_file:228kB inactive_file:120kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:103712kB pagetables:182028kB bounce:0kB free_pcp:664kB local_pcp:632kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 4*4kB (UM) 3*8kB (M) 4*16kB (UME) 3*32kB (ME) 2*64kB (M) 5*128kB (UE) 5*256kB (UME) 3*512kB (UME) 1*1024kB (E) 1*2048kB (E) 1*4096kB (M) = 10952kB
Node 0 DMA32: 604*4kB (UME) 875*8kB (ME) 634*16kB (ME) 445*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 33800kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
Node 1 Normal: 23*4kB (UM) 256*8kB (UM) 212*16kB (UM) 197*32kB (UM) 7*64kB (UM) 1*128kB (M) 5*256kB (UM) 2*512kB (ME) 2*1024kB (ME) 2*2048kB (UE) 8*4096kB (M) = 53628kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
10753 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
Unreclaimable slab info:
Name Used Total
pid_2 329KB 552KB
batadv_tl_cache 4KB 12KB
TIPC 2943KB 2947KB
SCTPv6 8066KB 8068KB
SCTP 11KB 11KB
sctp_chunk 2KB 3KB
sctp_bind_bucket 0KB 3KB
DCCPv6 9760KB 9765KB
DCCP 9272KB 9276KB
RXRPC 3189KB 3191KB
rxrpc_call_jar 22072KB 22073KB
bridge_fdb_cache 9KB 15KB
fib6_nodes 169KB 252KB
ip6_dst_cache 206KB 498KB
RAWv6 39629KB 39629KB
UDPLITEv6 1KB 3KB
UDPv6 3755KB 3757KB
tw_sock_TCPv6 0KB 3KB
TCPv6 5997KB 6000KB
nf_conntrack 201KB 213KB
t10_alua_lu_gp_cache 0KB 3KB
sd_ext_cdb 0KB 7KB
scsi_sense_cache 1056KB 1060KB
virtio_scsi_cmd 16KB 16KB
sgpool-128 8KB 8KB
sgpool-64 4KB 12KB
sgpool-32 2KB 15KB
sgpool-16 1KB 7KB
sgpool-8 0KB 7KB
mqueue_inode_cache 18KB 30KB
bio_post_read_ctx 14KB 15KB
bio-2 14KB 15KB
jfs_mp 7KB 7KB
cifs_small_rq 15KB 16KB
cifs_request 67KB 67KB
cifs_mpx_ids 0KB 7KB
nfs_commit_data 3KB 14KB
nfs_write_data 34KB 44KB
ext4_system_zone 1KB 7KB
dio 3KB 7KB
bio-1 1KB 7KB
pid_namespace 2KB 7KB
kvm_vcpu 23KB 23KB
rpc_buffers 17KB 25KB
rpc_tasks 2KB 7KB
UNIX 196KB 198KB
tcp_bind_bucket 247KB 252KB
inet_peer_cache 0KB 4KB
xfrm_state 2KB 4KB
ip_fib_trie 23KB 35KB
ip_fib_alias 110KB 158KB
ip_dst_cache 9KB 80KB
RAW 23490KB 23490KB
UDP 6631KB 6635KB
request_sock_TCP 0KB 3KB
TCP 180KB 185KB
hugetlbfs_inode_cache 3KB 15KB
fscache_cookie_jar 1KB 7KB
eventpoll_pwq 17KB 35KB
eventpoll_epi 32KB 43KB
inotify_inode_mark 6KB 23KB
request_queue 196KB 196KB
blkdev_requests 1KB 3KB
blkdev_ioc 42KB 42KB
bio-0 10833KB 10833KB
biovec-max 4405KB 4405KB
biovec-64 8759KB 8764KB
biovec-16 2059KB 2062KB
bio_integrity_payload 1KB 8KB
khugepaged_mm_slot 247KB 384KB
user_namespace 2KB 7KB
uid_cache 0KB 4KB
dmaengine-unmap-2 0KB 3KB
skbuff_fclone_cache 26KB 30KB
skbuff_head_cache 15803KB 15817KB
configfs_dir_cache 3KB 7KB
file_lock_cache 12KB 19KB
file_lock_ctx 9KB 11KB
fsnotify_mark_connector 2KB 15KB
net_namespace 34247KB 34247KB
shmem_inode_cache 7953KB 8201KB
task_delay_info 1361KB 2118KB
taskstats 12KB 61KB
proc_dir_entry 177190KB 177191KB
pde_opener 2KB 3KB
seq_file 133KB 137KB
sigqueue 157KB 161KB
kernfs_node_cache 509655KB 509658KB
mnt_cache 288KB 312KB
filp 4941KB 5992KB
names_cache 60137KB 60158KB
iint_cache 63KB 87KB
key_jar 9KB 18KB
uts_namespace 3KB 7KB
nsproxy 341KB 343KB
vm_area_struct 35360KB 35361KB
mm_struct 6729KB 6734KB
fs_cache 1826KB 2824KB
files_cache 6656KB 9405KB
signal_cache 10038KB 14295KB
sighand_cache 9869KB 9899KB
task_struct 43398KB 43411KB
cred_jar 4109KB 6376KB
anon_vma_chain 43715KB 43718KB
anon_vma 10881KB 10884KB
pid 447KB 960KB
Acpi-Operand 156KB 198KB
Acpi-ParseExt 9KB 11KB
Acpi-Parse 41KB 47KB
Acpi-State 52KB 63KB
Acpi-Namespace 20KB 27KB
numa_policy 0KB 3KB
debug_objects_cache 39622KB 39624KB
trace_event_file 297KB 298KB
ftrace_event_field 398KB 401KB
pool_workqueue 4036KB 4036KB
page->ptl 6744KB 6755KB
kmalloc-2097152 2050KB 2050KB
kmalloc-524288 2056KB 2056KB
kmalloc-262144 1290KB 1290KB
kmalloc-131072 1690KB 1690KB
kmalloc-65536 2244KB 2574KB
kmalloc-32768 218295KB 218295KB
kmalloc-16384 65620KB 65620KB
kmalloc-8192 149118KB 149118KB
kmalloc-4096 662698KB 662698KB
kmalloc-2048 539112KB 539114KB
kmalloc-1024 215787KB 215790KB
kmalloc-512 188295KB 201806KB
kmalloc-256 111876KB 113430KB
kmalloc-128 56949KB 56995KB
kmalloc-96 16477KB 17204KB
kmalloc-64 38699KB 40008KB
kmalloc-32 34378KB 35307KB
kmalloc-192 75927KB 77576KB
kmem_cache 178KB 187KB
Out of memory: Kill process 31547 (syz-executor.5) score 1002 or sacrifice child
Killed process 31547 (syz-executor.5) total-vm:57196kB, anon-rss:2436kB, file-rss:14144kB, shmem-rss:0kB
oom_reaper: reaped process 31547 (syz-executor.5), now anon-rss:0kB, file-rss:14144kB, shmem-rss:0kB
rs:main Q:Reg invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
rs:main Q:Reg cpuset=/ mems_allowed=0-1
CPU: 0 PID: 31152 Comm: rs:main Q:Reg Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
ops_init+0xb3/0x410 net/core/net_namespace.c:129
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
dump_header+0x15d/0xc3f mm/oom_kill.c:443
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956
out_of_memory mm/oom_kill.c:1114 [inline]
out_of_memory+0x1072/0x1390 mm/oom_kill.c:1064
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
__alloc_pages_may_oom mm/page_alloc.c:3553 [inline]
__alloc_pages_slowpath mm/page_alloc.c:4255 [inline]
__alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4419
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
alloc_pages_current+0x193/0x2a0 mm/mempolicy.c:2197
alloc_pages include/linux/gfp.h:532 [inline]
__page_cache_alloc mm/filemap.c:969 [inline]
page_cache_read mm/filemap.c:2408 [inline]
filemap_fault+0x146e/0x2180 mm/filemap.c:2592
ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6379
__do_fault+0x10b/0x4b0 mm/memory.c:3403
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
do_read_fault mm/memory.c:3815 [inline]
do_fault mm/memory.c:3944 [inline]
handle_pte_fault mm/memory.c:4175 [inline]
__handle_mm_fault+0x273b/0x41c0 mm/memory.c:4299
handle_mm_fault+0x436/0xb10 mm/memory.c:4336
__do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x55c57ff20ef8
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
Code: Bad RIP value.
RSP: 002b:00007f4cb9e147d8 EFLAGS: 00010206
RAX: 0000000000000000 RBX: 00007f4cac031220 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007f4cac031238
RBP: 00007f4cac031238 R08: 00007f4cac031238 R09: 0000000000000000
R10: 000055c5801a4280 R11: 00007f4cb0007b88 R12: 00007f4cac031220
R13: 0000000000000000 R14: 00007f4cac031220 R15: 00007f4cb0015890
Mem-Info:
active_anon:191270 inactive_anon:9101 isolated_anon:0
active_file:12 inactive_file:13 isolated_file:11
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:53360 slab_unreclaimable:1232535
mapped:11479 shmem:10673 pagetables:59687 bounce:0
free:24419 free_pcp:233 free_cma:0
Node 0 active_anon:758496kB inactive_anon:34384kB active_file:4kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):12kB mapped:45664kB dirty:0kB writeback:0kB shmem:40672kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 1 active_anon:6584kB inactive_anon:2020kB active_file:44kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:252kB dirty:0kB writeback:0kB shmem:2020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
INFO: task syz-executor.5:4473 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D26792 4473 4388 0x00000000
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
vti_init_net+0x2a/0x370 net/ipv4/ip_vti.c:520
ops_init+0xb3/0x410 net/core/net_namespace.c:129
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
INFO: task syz-executor.5:4674 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D26880 4674 4474 0x00000000
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
ops_init+0xb3/0x410 net/core/net_namespace.c:129
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
INFO: task syz-executor.5:4685 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D26712 4685 4478 0x00000000
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
ops_init+0xb3/0x410 net/core/net_namespace.c:129
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
INFO: task syz-executor.5:4987 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D26792 4987 4473 0x00000000
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
ops_init+0xb3/0x410 net/core/net_namespace.c:129
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
INFO: task syz-executor.5:5037 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D26752 5037 4621 0x00000000
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
ops_init+0xb3/0x410 net/core/net_namespace.c:129
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Node 0 DMA free:10888kB min:204kB low:252kB high:300kB active_anon:4kB inactive_anon:1020kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
Code: Bad RIP value.
lowmem_reserve[]: 0 2693 2695 2695 2695
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
Node 0 DMA32 free:33008kB min:35996kB low:44992kB high:53988kB active_anon:758492kB inactive_anon:33364kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:29376kB pagetables:56460kB bounce:0kB free_pcp:252kB local_pcp:252kB free_cma:0kB
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
INFO: task syz-executor.5:5513 blocked for more than 140 seconds.
lowmem_reserve[]: 0 0 1 1 1
Not tainted 4.19.211-syzkaller #0
Node 0 Normal free:0kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
lowmem_reserve[]: 0 0 0 0 0
syz-executor.5 D26920 5513 4595 0x00000000
Node 1 Normal free:53748kB min:53876kB low:67344kB high:80812kB active_anon:6584kB inactive_anon:2020kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:103776kB pagetables:182200kB bounce:0kB free_pcp:464kB local_pcp:216kB free_cma:0kB
Call Trace:
lowmem_reserve[]: 0 0 0 0 0
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
Node 0 DMA: 4*4kB (UM) 3*8kB (M) 4*16kB (UME) 3*32kB (ME) 3*64kB (UM) 4*128kB (UE) 5*256kB (UME) 3*512kB (UME) 1*1024kB (E) 1*2048kB (E) 1*4096kB (M) = 10888kB
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
Node 0 DMA32: 542*4kB (ME) 841*8kB (UME) 618*16kB (ME) 437*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 32768kB
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
ops_init+0xb3/0x410 net/core/net_namespace.c:129
Node 1 Normal: 41*4kB (UM) 209*8kB (UME) 223*16kB (UME) 198*32kB (UME) 10*64kB (UME) 1*128kB (M) 5*256kB (UM) 2*512kB (ME) 2*1024kB (ME) 2*2048kB (UE) 8*4096kB (M) = 53724kB
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
10706 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
Unreclaimable slab info:
Name Used Total
pid_2 326KB 552KB
batadv_tl_cache 4KB 12KB
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
TIPC 2943KB 2947KB
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
SCTPv6 8072KB 8074KB
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
SCTP 11KB 11KB
sctp_chunk 2KB 3KB
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
sctp_bind_bucket 0KB 3KB
DCCPv6 9767KB 9772KB
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
DCCP 9279KB 9283KB
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RXRPC 3188KB 3191KB
rxrpc_call_jar 22072KB 22073KB
bridge_fdb_cache 9KB 15KB
fib6_nodes 169KB 252KB
ip6_dst_cache 206KB 498KB
RAWv6 39642KB 39642KB
UDPLITEv6 1KB 3KB
UDPv6 3755KB 3757KB
tw_sock_TCPv6 0KB 3KB
TCPv6 5997KB 6000KB
nf_conntrack 201KB 213KB
t10_alua_lu_gp_cache 0KB 3KB
sd_ext_cdb 0KB 7KB
scsi_sense_cache 1056KB 1060KB
virtio_scsi_cmd 16KB 16KB
sgpool-128 8KB 8KB
sgpool-64 4KB 12KB
sgpool-32 2KB 15KB
sgpool-16 1KB 7KB
sgpool-8 0KB 7KB
mqueue_inode_cache 18KB 30KB
bio_post_read_ctx 14KB 15KB
bio-2 14KB 15KB
jfs_mp 7KB 7KB
cifs_small_rq 15KB 16KB
cifs_request 67KB 67KB
cifs_mpx_ids 0KB 7KB
nfs_commit_data 3KB 14KB
nfs_write_data 34KB 44KB
ext4_system_zone 1KB 7KB
dio 3KB 7KB
bio-1 1KB 7KB
pid_namespace 2KB 7KB
kvm_vcpu 23KB 23KB
rpc_buffers 17KB 25KB
rpc_tasks 2KB 7KB
UNIX 195KB 198KB
tcp_bind_bucket 246KB 252KB
inet_peer_cache 0KB 4KB
xfrm_state 2KB 4KB
ip_fib_trie 23KB 35KB
ip_fib_alias 110KB 158KB
ip_dst_cache 9KB 80KB
RAW 23490KB 23490KB
UDP 6631KB 6635KB
request_sock_TCP 0KB 3KB
TCP 180KB 185KB
hugetlbfs_inode_cache 3KB 15KB
fscache_cookie_jar 1KB 7KB
eventpoll_pwq 17KB 35KB
eventpoll_epi 32KB 43KB
inotify_inode_mark 6KB 23KB
request_queue 196KB 196KB
blkdev_requests 1KB 3KB
blkdev_ioc 39KB 42KB
bio-0 10835KB 10837KB
biovec-max 4405KB 4405KB
biovec-64 8762KB 8764KB
biovec-16 2059KB 2062KB
bio_integrity_payload 1KB 8KB
khugepaged_mm_slot 247KB 384KB
user_namespace 2KB 7KB
uid_cache 0KB 4KB
dmaengine-unmap-2 0KB 3KB
skbuff_fclone_cache 26KB 30KB
skbuff_head_cache 15943KB 15956KB
configfs_dir_cache 3KB 7KB
file_lock_cache 12KB 19KB
file_lock_ctx 9KB 11KB
fsnotify_mark_connector 2KB 15KB
net_namespace 34247KB 34247KB
shmem_inode_cache 7953KB 8201KB
task_delay_info 1361KB 2118KB
taskstats 12KB 61KB
proc_dir_entry 177208KB 177210KB
pde_opener 2KB 3KB
seq_file 132KB 137KB
sigqueue 156KB 161KB
kernfs_node_cache 509697KB 509697KB
mnt_cache 288KB 312KB
filp 4941KB 5992KB
names_cache 60137KB 60158KB
iint_cache 57KB 87KB
key_jar 9KB 18KB
uts_namespace 3KB 7KB
nsproxy 341KB 343KB
vm_area_struct 35360KB 35361KB
mm_struct 6729KB 6734KB
fs_cache 1826KB 2824KB
files_cache 6656KB 9405KB
signal_cache 10038KB 14295KB
sighand_cache 9869KB 9899KB
task_struct 43423KB 43423KB
cred_jar 4109KB 6376KB
anon_vma_chain 43715KB 43718KB
anon_vma 10881KB 10884KB
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
pid 447KB 960KB
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
INFO: task syz-executor.5:5639 blocked for more than 140 seconds.
Acpi-Operand 156KB 198KB
Not tainted 4.19.211-syzkaller #0
Acpi-ParseExt 9KB 11KB
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Acpi-Parse 41KB 47KB
syz-executor.5 D26840 5639 5102 0x00000000
Acpi-State 52KB 63KB
Acpi-Namespace 20KB 27KB
numa_policy 0KB 3KB
debug_objects_cache 39641KB 39643KB
Call Trace:
trace_event_file 297KB 298KB
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
ftrace_event_field 398KB 401KB
pool_workqueue 4036KB 4036KB
page->ptl 6744KB 6755KB
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
ops_init+0xb3/0x410 net/core/net_namespace.c:129
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
kmalloc-2097152 2050KB 2050KB
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
kmalloc-524288 2056KB 2056KB
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
kmalloc-262144 1290KB 1290KB
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
kmalloc-131072 1690KB 1690KB
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
kmalloc-65536 2244KB 2574KB
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
kmalloc-32768 218328KB 218328KB
kmalloc-16384 65620KB 65620KB
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
kmalloc-8192 149151KB 149151KB
INFO: task syz-executor.5:5739 blocked for more than 140 seconds.
kmalloc-4096 662787KB 662787KB
Not tainted 4.19.211-syzkaller #0
kmalloc-2048 539157KB 539159KB
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kmalloc-1024 215858KB 215861KB
kmalloc-512 188573KB 202076KB
kmalloc-256 111895KB 113448KB
kmalloc-128 56953KB 56999KB
kmalloc-96 16505KB 17232KB
kmalloc-64 38699KB 40008KB
syz-executor.5 D26792 5739 4621 0x00000000
kmalloc-32 34394KB 35323KB
Call Trace:
kmalloc-192 75934KB 77580KB
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
kmem_cache 178KB 187KB
Out of memory (oom_kill_allocating_task): Kill process 31152 (rs:main Q:Reg) score 0 or sacrifice child
Killed process 31010 (rsyslogd) total-vm:254332kB, anon-rss:1112kB, file-rss:0kB, shmem-rss:0kB
oom_reaper: reaped process 31010 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
systemd-udevd invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
ops_init+0xb3/0x410 net/core/net_namespace.c:129
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
INFO: task syz-executor.5:5922 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D26560 5922 5157 0x00000000
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
ops_init+0xb3/0x410 net/core/net_namespace.c:129
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107
copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165
copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916
copy_process kernel/fork.c:1710 [inline]
_do_fork+0x22f/0xf30 kernel/fork.c:2219
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f89ae07ce99
Code: Bad RIP value.
RSP: 002b:00007f89ac98f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f89ae1901d0 RCX: 00007f89ae07ce99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000
RBP: 00007f89ae0d6ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc29660fff R14: 00007f89ac98f300 R15: 0000000000022000
Showing all locks held in the system:
3 locks held by systemd/1:
3 locks held by kworker/0:0/5:
#0: 000000005acfa9ce ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 0000000066fde618 (deferred_process_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 000000009865e659 (rtnl_mutex){+.+.}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:150
3 locks held by kworker/u4:0/7:
#0: 000000001eea016d ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 000000007b32283a ((work_completion)(&sub_info->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
3 locks held by kworker/u4:2/87:
#0: 000000001eea016d ((wq_completion)"events_unbound"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 0000000065caf3d7 ((work_completion)(&sub_info->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
4 locks held by kworker/u4:3/214:
#0: 00000000d68d44f9 ((wq_completion)"%s""netns"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 00000000c1c5f2af (net_cleanup_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: cleanup_net+0xa8/0x8b0 net/core/net_namespace.c:521
#3: 000000009865e659 (rtnl_mutex){+.+.}, at: ip6gre_exit_batch_net+0x82/0x6c0 net/ipv6/ip6_gre.c:1632
1 lock held by khungtaskd/1571:
#0: 000000005d20baef (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
3 locks held by kworker/1:2/3582:
#0: 00000000b0d1d4d5 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 0000000017e778b0 ((addr_chk_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 000000009865e659 (rtnl_mutex){+.+.}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4476
3 locks held by kworker/0:2/3636:
#0: 000000005acfa9ce ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 00000000bf4c4252 ((linkwatch_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 000000009865e659 (rtnl_mutex){+.+.}, at: linkwatch_event+0xb/0x60 net/core/link_watch.c:236
3 locks held by systemd-udevd/4703:
3 locks held by syz-fuzzer/8095:
#0: 00000000cef0d2d3 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
#1: 00000000ee3f9fbc (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
3 locks held by syz-fuzzer/8096:
#0: 00000000cef0d2d3 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
#1: 00000000ee3f9fbc (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
3 locks held by syz-fuzzer/8097:
#0: 00000000cef0d2d3 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
#1: 00000000ee3f9fbc (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
3 locks held by syz-fuzzer/8102:
#0: 00000000cef0d2d3 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
#1: 00000000ee3f9fbc (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
#2: 0000000068d49f2f (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
3 locks held by kworker/0:3/9343:
#0: 00000000b0d1d4d5 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 00000000b2c919e2 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 000000009865e659 (rtnl_mutex){+.+.}, at: addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989
1 lock held by syz-executor.3/2718:
#0: 000000009865e659 (rtnl_mutex){+.+.}, at: tun_detach drivers/net/tun.c:759 [inline]
#0: 000000009865e659 (rtnl_mutex){+.+.}, at: tun_chr_close+0x3a/0x180 drivers/net/tun.c:3323
2 locks held by syz-executor.5/4340:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4388:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/4390:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/4473:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/4474:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4478:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4486:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4595:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4621:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4641:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4674:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/4677:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4685:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/4729:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/4894:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/4903:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4952:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/4953:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/4987:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5005:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/5037:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5079:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/5102:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/5157:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5166:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
systemd-udevd cpuset=/ mems_allowed=0-1
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
CPU: 0 PID: 31515 Comm: systemd-udevd Not tainted 4.19.211-syzkaller #0
2 locks held by syz-executor.5/5230:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
dump_header+0x15d/0xc3f mm/oom_kill.c:443
oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
out_of_memory mm/oom_kill.c:1132 [inline]
out_of_memory+0x34d/0x1390 mm/oom_kill.c:1064
__alloc_pages_may_oom mm/page_alloc.c:3553 [inline]
__alloc_pages_slowpath mm/page_alloc.c:4255 [inline]
__alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4419
2 locks held by syz-executor.5/5231:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
alloc_pages_current+0x193/0x2a0 mm/mempolicy.c:2197
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
alloc_pages include/linux/gfp.h:532 [inline]
__page_cache_alloc mm/filemap.c:969 [inline]
page_cache_read mm/filemap.c:2408 [inline]
filemap_fault+0x146e/0x2180 mm/filemap.c:2592
2 locks held by syz-executor.5/5232:
ext4_filemap_fault+0x84/0xb0 fs/ext4/inode.c:6379
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
__do_fault+0x10b/0x4b0 mm/memory.c:3403
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
do_read_fault mm/memory.c:3815 [inline]
do_fault mm/memory.c:3944 [inline]
handle_pte_fault mm/memory.c:4175 [inline]
__handle_mm_fault+0x273b/0x41c0 mm/memory.c:4299
handle_mm_fault+0x436/0xb10 mm/memory.c:4336
__do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412
2 locks held by syz-executor.5/5401:
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205
RIP: 0033:0x55588c1292f4
Code: Bad RIP value.
RSP: 002b:00007ffdc618d8b0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 858e694c9b2102af RCX: 000055588c156c28
RDX: 00007ffdc618d8e0 RSI: 0000000000000000 RDI: 00007ffdc618d8d0
RBP: 0000000000007b02 R08: 00007ffdc618d8d0 R09: 0000000000007b02
R10: dbeef62101b3b199 R11: c12ec22586cbf009 R12: 0000000000007b02
R13: 000055588cdb5520 R14: 000055588cda8010 R15: 000055588cda8028
Mem-Info:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
active_anon:190972 inactive_anon:9101 isolated_anon:0
active_file:12 inactive_file:238 isolated_file:42
unevictable:0 dirty:0 writeback:0 unstable:0
slab_reclaimable:53359 slab_unreclaimable:1232365
mapped:11599 shmem:10673 pagetables:59657 bounce:0
free:24473 free_pcp:425 free_cma:0
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
Node 0 active_anon:757392kB inactive_anon:34384kB active_file:12kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:45664kB dirty:0kB writeback:0kB shmem:40672kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 188416kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
2 locks held by syz-executor.5/5435:
Node 1 active_anon:6496kB inactive_anon:2020kB active_file:36kB inactive_file:940kB unevictable:0kB isolated(anon):0kB isolated(file):168kB mapped:832kB dirty:0kB writeback:0kB shmem:2020kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Node 0 DMA free:10888kB min:204kB low:252kB high:300kB active_anon:4kB inactive_anon:1020kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:88kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
lowmem_reserve[]: 0 2693 2695 2695 2695
2 locks held by syz-executor.5/5436:
Node 0 DMA32 free:33320kB min:35996kB low:44992kB high:53988kB active_anon:757388kB inactive_anon:33364kB active_file:12kB inactive_file:12kB unevictable:0kB writepending:0kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:29248kB pagetables:56340kB bounce:0kB free_pcp:932kB local_pcp:484kB free_cma:0kB
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
lowmem_reserve[]: 0 0 1 1 1
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
Node 0 Normal free:0kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
2 locks held by syz-executor.5/5471:
lowmem_reserve[]: 0 0 0 0 0
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Node 1 Normal free:53684kB min:53876kB low:67344kB high:80812kB active_anon:6496kB inactive_anon:2020kB active_file:36kB inactive_file:844kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:103776kB pagetables:182200kB bounce:0kB free_pcp:820kB local_pcp:496kB free_cma:0kB
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
lowmem_reserve[]: 0 0 0 0 0
2 locks held by syz-executor.5/5500:
Node 0 DMA: 4*4kB (UM) 3*8kB (M) 4*16kB (UME) 3*32kB (ME) 3*64kB (UM) 4*128kB (UE) 5*256kB (UME) 3*512kB (UME) 1*1024kB (E) 1*2048kB (E) 1*4096kB (M) = 10888kB
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Node 0 DMA32: 432*4kB (UME) 843*8kB (UME) 679*16kB (UME) 436*32kB (M) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 33288kB
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
2 locks held by syz-executor.5/5511:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
Node 1 Normal: 3*4kB (UME) 319*8kB (UE) 237*16kB (UM) 193*32kB (UE) 3*64kB (E) 2*128kB (UM) 3*256kB (U) 2*512kB (ME) 2*1024kB (ME) 2*2048kB (UE) 8*4096kB (M) = 53684kB
2 locks held by syz-executor.5/5513:
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
10948 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
2097051 pages RAM
0 pages HighMem/MovableOnly
369649 pages reserved
0 pages cma reserved
Unreclaimable slab info:
Name Used Total
pid_2 322KB 552KB
batadv_tl_cache 4KB 12KB
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
TIPC 2943KB 2947KB
2 locks held by syz-executor.5/5555:
SCTPv6 8074KB 8074KB
SCTP 11KB 11KB
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
sctp_chunk 2KB 3KB
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
sctp_bind_bucket 0KB 3KB
DCCPv6 9772KB 9772KB
DCCP 9283KB 9283KB
RXRPC 3188KB 3191KB
2 locks held by syz-executor.5/5562:
rxrpc_call_jar 22072KB 22073KB
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
bridge_fdb_cache 9KB 15KB
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/5575:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/5576:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5577:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/5589:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5620:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5639:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5739:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5740:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5754:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/5802:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/5812:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5862:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5909:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5922:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/5989:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/6052:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.5/6068:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/6120:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.5/6179:
#0: 00000000f8368a2e (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 000000009865e659 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/d
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
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syzbot
May 16, 2022, 9:18:13 PM5/16/22
to syzkaller...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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