INFO: task hung in ip_tunnel_init_net

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syzbot

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Dec 11, 2021, 2:55:24 PM12/11/21
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=11bfaf75b00000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=bac2c57fb555ad516d5d
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+bac2c5...@syzkaller.appspotmail.com

kmem_cache 178KB 180KB
Out of memory: Kill process 15618 (syz-executor.0) score 1002 or sacrifice child
Killed process 15618 (syz-executor.0) total-vm:56800kB, anon-rss:4540kB, file-rss:14156kB, shmem-rss:0kB
INFO: task syz-executor.0:18128 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.0 D26928 18128 9618 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: 0033:0x7f5a6b4f8e99
Code: Bad RIP value.
RSP: 002b:00007f5a69e2c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f5a6b60c100 RCX: 00007f5a6b4f8e99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000041240000
RBP: 00007f5a6b553031 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1cb527cf R14: 00007f5a69e2c300 R15: 0000000000022000
INFO: task syz-executor.0:20935 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.0 D26880 20935 18576 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: 0033:0x7f5a6b4f8e99
Code: Bad RIP value.
RSP: 002b:00007f5a69e2c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f5a6b60c100 RCX: 00007f5a6b4f8e99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000041240000
RBP: 00007f5a6b553031 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1cb527cf R14: 00007f5a69e2c300 R15: 0000000000022000
INFO: task syz-executor.0:22179 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.0 D26888 22179 19824 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: 0033:0x7f5a6b4f8e99
Code: Bad RIP value.
RSP: 002b:00007f5a69e2c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f5a6b60c100 RCX: 00007f5a6b4f8e99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000041240000
RBP: 00007f5a6b553031 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1cb527cf R14: 00007f5a69e2c300 R15: 0000000000022000
syz-executor.0 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=1000
syz-executor.0 cpuset=/ mems_allowed=0-1
CPU: 1 PID: 28758 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0
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
INFO: task syz-executor.0:24690 blocked for more than 140 seconds.
out_of_memory mm/oom_kill.c:1114 [inline]
out_of_memory+0x1072/0x1390 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
__alloc_pages include/linux/gfp.h:496 [inline]
__alloc_pages_node include/linux/gfp.h:509 [inline]
kmem_getpages mm/slab.c:1412 [inline]
cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682
fallback_alloc+0x213/0x2e0 mm/slab.c:3224
__do_cache_alloc mm/slab.c:3361 [inline]
slab_alloc mm/slab.c:3389 [inline]
__do_kmalloc mm/slab.c:3725 [inline]
__kmalloc+0x213/0x3c0 mm/slab.c:3736
kmalloc include/linux/slab.h:520 [inline]
kzalloc include/linux/slab.h:709 [inline]
ops_init+0xfe/0x410 net/core/net_namespace.c:119
setup_net+0x2c2/0x720 net/core/net_namespace.c:316
copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439
Not tainted 4.19.211-syzkaller #0
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: 0033:0x7f5a6b4f8e99
Code: Bad RIP value.
RSP: 002b:00007f5a69e2c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f5a6b60c100 RCX: 00007f5a6b4f8e99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000041240000
RBP: 00007f5a6b553031 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1cb527cf R14: 00007f5a69e2c300 R15: 0000000000022000
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Mem-Info:
syz-executor.0 D26768 24690 18798 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
active_anon:261166 inactive_anon:27061 isolated_anon:0
active_file:36 inactive_file:0 isolated_file:7
unevictable:4 dirty:0 writeback:0 unstable:0
slab_reclaimable:51225 slab_unreclaimable:1140290
mapped:22356 shmem:34144 pagetables:60604 bounce:0
free:25154 free_pcp:30 free_cma:0
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f5a6b4f8e99
Code: Bad RIP value.
RSP: 002b:00007f5a69e2c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f5a6b60c100 RCX: 00007f5a6b4f8e99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000041240000
RBP: 00007f5a6b553031 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1cb527cf R14: 00007f5a69e2c300 R15: 0000000000022000
INFO: task syz-executor.0:27916 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.0 D26888 27916 22329 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
Node 0 active_anon:1038796kB inactive_anon:106812kB active_file:44kB inactive_file:4kB unevictable:16kB isolated(anon):0kB isolated(file):28kB mapped:89276kB dirty:0kB writeback:0kB shmem:135072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
Node 1 active_anon:5868kB inactive_anon:1432kB active_file:100kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:148kB dirty:0kB writeback:0kB shmem:1504kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 0 DMA free:10984kB min:204kB low:252kB high:300kB active_anon:12kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:160kB pagetables:232kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2693 2695 2695 2695
Node 0 DMA32 free:35688kB min:35996kB low:44992kB high:53988kB active_anon:1038784kB inactive_anon:106812kB active_file:124kB inactive_file:20kB unevictable:16kB writepending:0kB present:3129332kB managed:2763452kB mlocked:16kB kernel_stack:22464kB pagetables:51272kB bounce:0kB free_pcp:96kB local_pcp:96kB free_cma:0kB
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: 0033:0x7f5a6b4f8e99
Code: Bad RIP value.
RSP: 002b:00007f5a69e2c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f5a6b60c100 RCX: 00007f5a6b4f8e99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000041240000
RBP: 00007f5a6b553031 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1cb527cf R14: 00007f5a69e2c300 R15: 0000000000022000
INFO: task syz-executor.0:31994 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.0 D26752 31994 21194 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: 0033:0x7f5a6b4f8e99
Code: Bad RIP value.
RSP: 002b:00007f5a69e2c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f5a6b60c100 RCX: 00007f5a6b4f8e99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000041240000
RBP: 00007f5a6b553031 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1cb527cf R14: 00007f5a69e2c300 R15: 0000000000022000
INFO: task syz-executor.0:3541 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.0 D26736 3541 22179 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: 0033:0x7f5a6b4f8e99
Code: Bad RIP value.
RSP: 002b:00007f5a69e2c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f5a6b60c100 RCX: 00007f5a6b4f8e99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000041240000
RBP: 00007f5a6b553031 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1cb527cf R14: 00007f5a69e2c300 R15: 0000000000022000
INFO: task syz-executor.0:5086 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.0 D26920 5086 20935 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: 0033:0x7f5a6b4f8e99
Code: Bad RIP value.
RSP: 002b:00007f5a69e2c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f5a6b60c100 RCX: 00007f5a6b4f8e99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000041240000
RBP: 00007f5a6b553031 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1cb527cf R14: 00007f5a69e2c300 R15: 0000000000022000
INFO: task syz-executor.0:8662 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.0 D26992 8662 28758 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: 0033:0x7f5a6b4f8e99
Code: Bad RIP value.
RSP: 002b:00007f5a69e2c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f5a6b60c100 RCX: 00007f5a6b4f8e99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000041240000
RBP: 00007f5a6b553031 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1cb527cf R14: 00007f5a69e2c300 R15: 0000000000022000
INFO: task syz-executor.0:10548 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.0 D26920 10548 29760 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: 0033:0x7f5a6b4f8e99
Code: Bad RIP value.
RSP: 002b:00007f5a69e2c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f5a6b60c100 RCX: 00007f5a6b4f8e99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000041240000
RBP: 00007f5a6b553031 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1cb527cf R14: 00007f5a69e2c300 R15: 0000000000022000

Showing all locks held in the system:
3 locks held by systemd/1:
#0: 0000000091978d3e (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
#1: 00000000ccd453e1 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
1 lock held by khungtaskd/1570:
#0: 00000000aebe051b (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
3 locks held by in:imklog/7823:
#0: 000000003a78db5b (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
#1: 00000000ccd453e1 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
3 locks held by syz-fuzzer/8109:
#0: 000000004b217058 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
#1: 000000006b4921c4 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
3 locks held by syz-fuzzer/8110:
#0: 000000004b217058 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
#1: 000000006b4921c4 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
3 locks held by syz-fuzzer/9616:
#0: 000000004b217058 (&mm->mmap_sem){++++}, at: __do_page_fault+0x398/0xd60 arch/x86/mm/fault.c:1341
#1: 000000006b4921c4 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6378
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3778 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: fs_reclaim_release mm/page_alloc.c:3774 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __perform_reclaim mm/page_alloc.c:3805 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:3821 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __alloc_pages_slowpath mm/page_alloc.c:4211 [inline]
#2: 00000000f687fc9b (fs_reclaim){+.+.}, at: __alloc_pages_nodemask+0x191e/0x2890 mm/page_alloc.c:4419
3 locks held by kworker/1:2/26737:
#0: 0000000064ee7a9f ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 000000000a94cecc ((addr_chk_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 00000000d3055d50 (rtnl_mutex){+.+.}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4476
4 locks held by kworker/u4:3/30632:
#0: 00000000bedbc71b ((wq_completion)"%s""netns"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 00000000470ade30 (net_cleanup_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 000000006fac5acc (pernet_ops_rwsem){++++}, at: cleanup_net+0xa8/0x8b0 net/core/net_namespace.c:521
#3: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip6gre_exit_batch_net+0x82/0x6c0 net/ipv6/ip6_gre.c:1632
2 locks held by syz-executor.0/18086:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18128:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/18129:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18195:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/18230:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18231:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18233:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18345:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18346:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18399:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/18413:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18415:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/18457:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/18461:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18576:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18595:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18643:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/18707:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18734:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18759:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/18767:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18788:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/18798:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18799:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18828:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/18849:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/18868:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18885:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/18962:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19044:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/19051:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19072:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/19129:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/19248:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/19275:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19281:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/19291:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19292:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/19317:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/19318:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/19345:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19350:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/19380:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19398:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/19413:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/19455:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19473:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19494:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/19501:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/19537:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19538:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19542:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19573:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/19594:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/19624:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19720:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19733:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19824:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19827:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/19846:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19861:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19950:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19969:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/19990:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/19997:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20084:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20085:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/20114:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20184:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20304:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20305:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/20306:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20307:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20370:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/20371:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20414:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20455:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/20477:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/20478:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20501:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/20502:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20520:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20521:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20568:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20609:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20610:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20643:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20674:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20675:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
lowmem_reserve[]: 0 0 1 1 1
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
Node 0 Normal free:8kB 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.0/20706:
lowmem_reserve[]: 0 0 0 0 0
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Node 1 Normal free:53936kB min:53876kB low:67344kB high:80812kB active_anon:5868kB inactive_anon:1512kB active_file:24kB inactive_file:24kB unevictable:0kB writepending:0kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:101600kB pagetables:190912kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
#1: 00000000d3055d50 (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.0/20713:
Node 0 DMA: 6*4kB (UME) 4*8kB (ME) 5*16kB (UME) 5*32kB (UME) 3*64kB (M) 4*128kB (ME) 5*256kB (UME) 3*512kB (UME) 1*1024kB (E) 1*2048kB (E) 1*4096kB (M) = 10984kB
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Node 0 DMA32: 1892*4kB (UME) 1404*8kB (UME) 390*16kB (UME) 218*32kB (UME) 4*64kB (UME) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (U) 0*4096kB = 35728kB
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB
2 locks held by syz-executor.0/20742:
Node 1 Normal: 1204*4kB (UME) 675*8kB (UME) 353*16kB (UME) 75*32kB (UME) 41*64kB (UME) 14*128kB (ME) 6*256kB (M) 4*512kB (ME) 1*1024kB (M) 1*2048kB (M) 6*4096kB (M) = 53912kB
#0: 000000006fac5acc (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=1048576kB
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
2 locks held by syz-executor.0/20743:
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20776:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20832:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/20906:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/20917:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/20926:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20931:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/20934:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/20935:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/20988:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/21081:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/21106:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/21107:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/21150:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/21159:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/21166:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/21176:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/21177:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/21181:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/21184:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/21193:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/21194:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/21244:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/21246:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/21319:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/21324:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/21392:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/21454:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/21469:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/21507:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/21635:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/21656:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/21700:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/21778:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/21779:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/21810:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/21899:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/22002:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/22027:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/22097:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/22119:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/22126:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/22179:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/22229:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/22321:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/22329:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/22356:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/22372:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
2 locks held by syz-executor.0/22388:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
34197 total pagecache pages
2 locks held by syz-executor.0/22403:
0 pages in swap cache
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
Swap cache stats: add 0, delete 0, find 0/0
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
Free swap = 0kB
2 locks held by syz-executor.0/22404:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/22406:
Total swap = 0kB
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
2097051 pages RAM
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
0 pages HighMem/MovableOnly
2 locks held by syz-executor.0/22448:
369649 pages reserved
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
0 pages cma reserved
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
Unreclaimable slab info:
2 locks held by syz-executor.0/22449:
Name Used Total
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
pid_3 0KB 3KB
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
pid_2 362KB 464KB
2 locks held by syz-executor.0/22481:
batadv_tt_change_cache 0KB 3KB
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
batadv_tl_cache 7KB 16KB
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/22533:
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
TIPC 2668KB 2670KB
2 locks held by syz-executor.0/22534:
rds_connection 0KB 3KB
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
SCTPv6 7278KB 7282KB
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
2 locks held by syz-executor.0/22537:
SCTP 166KB 166KB
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
DCCPv6 8822KB 8827KB
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
DCCP 8381KB 8386KB
2 locks held by syz-executor.0/22538:
PHONET 3KB 3KB
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
L2TP/IPv6 1KB 6KB
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
RXRPC 2881KB 2886KB
2 locks held by syz-executor.0/22569:
rxrpc_call_jar 19946KB 19947KB
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
bridge_fdb_cache 140KB 157KB
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
fib6_nodes 183KB 264KB
2 locks held by syz-executor.0/22594:
ip6_dst_cache 95KB 450KB
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
RAWv6 35808KB 35808KB
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: register_netdev+0x11/0x50 net/core/dev.c:8857
UDPv6 3356KB 3360KB
2 locks held by syz-executor.0/22614:
TCPv6 5607KB 5610KB
nf_conntrack 1KB 7KB
ashmem_area_cache 0KB 3KB
t10_alua_lu_gp_cache 0KB 3KB
sd_ext_cdb 0KB 7KB
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
scsi_sense_cache 1056KB 1060KB
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
virtio_scsi_cmd 16KB 16KB
2 locks held by syz-executor.0/22690:
sgpool-128 8KB 8KB
#0: 000000006fac5acc (pernet_ops_rwsem){++++}, at: copy_net_ns+0x1d8/0x340 net/core/net_namespace.c:435
sgpool-64 4KB 12KB
sgpool-32 2KB 15KB
sgpool-16 1KB 7KB
sgpool-8 0KB 7KB
#1: 00000000d3055d50 (rtnl_mutex){+.+.}, at: ip_tunnel_init_net+0x321/0x990 net/ipv4/ip_tunnel.c:1034
mqueue_inode_cache 10KB 22KB
2 locks hel

---
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unread,
May 20, 2022, 5:22:18 AM5/20/22
to syzkaller...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
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