WARNING: suspicious RCU usage in vzalloc (2)
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syzbot
Nov 27, 2020, 8:54:15 AM11/27/20
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 87335852 Linux 4.14.209
git tree: linux-4.14.y
console output: https://syzkaller.appspot.com/x/log.txt?x=132a7f43500000
kernel config: https://syzkaller.appspot.com/x/.config?x=a932ed2a762225b
dashboard link: https://syzkaller.appspot.com/bug?extid=df57a75357eaace2cb62
compiler: gcc (GCC) 10.1.0-syz 20200507
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+df57a7...@syzkaller.appspotmail.com
syz-executor.5: vmalloc: allocation failure: 8589934608 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
=============================
syz-executor.5 cpuset=/ mems_allowed=0-1
WARNING: suspicious RCU usage
4.14.209-syzkaller #0 Not tainted
CPU: 1 PID: 5983 Comm: syz-executor.5 Not tainted 4.14.209-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x283 lib/dump_stack.c:58
warn_alloc.cold+0x96/0x1cc mm/page_alloc.c:3255
__vmalloc_node_range mm/vmalloc.c:1789 [inline]
__vmalloc_node mm/vmalloc.c:1818 [inline]
__vmalloc_node_flags mm/vmalloc.c:1832 [inline]
vzalloc+0x122/0x150 mm/vmalloc.c:1871
ip_set_alloc+0x7d/0xc0 net/netfilter/ipset/ip_set_core.c:261
hash_netiface_create+0x39a/0xd00 net/netfilter/ipset/ip_set_hash_gen.h:1303
ip_set_create+0x600/0xfd0 net/netfilter/ipset/ip_set_core.c:911
nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515
-----------------------------
net/tipc/bearer.c:177 suspicious rcu_dereference_protected() usage!
netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
2 locks held by syz-executor.1/5992:
#0:
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007f9379ce6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029bc0 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe984631cf R14: 00007f9379ce79c0 R15: 000000000118bf2c
(cb_lock){++++}, at: [<ffffffff85fe56d5>] genl_rcv+0x15/0x40 net/netlink/genetlink.c:635
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
#1:
active_anon:246286 inactive_anon:4731 isolated_anon:0
active_file:6607 inactive_file:47443 isolated_file:0
unevictable:0 dirty:390 writeback:0 unstable:0
slab_reclaimable:17922 slab_unreclaimable:126240
mapped:61457 shmem:4932 pagetables:6633 bounce:0
free:1176239 free_pcp:257 free_cma:0
(
Node 0 active_anon:985144kB inactive_anon:18924kB active_file:26284kB inactive_file:189772kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:245828kB dirty:1556kB writeback:0kB shmem:19728kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 925696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
genl_mutex
Node 1 active_anon:0kB inactive_anon:0kB active_file:144kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:4kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 0
){+.+.}
DMA free:15908kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2717 2718 2718 2718
Node 0 DMA32 free:648244kB min:36200kB low:45248kB high:54296kB active_anon:985080kB inactive_anon:18924kB active_file:26284kB inactive_file:189772kB unevictable:0kB writepending:1580kB present:3129332kB managed:2788172kB mlocked:0kB kernel_stack:14112kB pagetables:26524kB bounce:0kB free_pcp:1040kB local_pcp:308kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 Normal free:0kB min:4kB low:4kB high:4kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:520kB 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:4040652kB min:53696kB low:67120kB high:80544kB active_anon:0kB inactive_anon:0kB active_file:144kB inactive_file:0kB unevictable:0kB writepending:4kB present:4194304kB managed:4128256kB 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 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
Node 0 DMA32: 993*4kB (UME) 448*8kB (UME) 441*16kB (UME) 180*32kB (UME) 57*64kB (UME) 30*128kB (UME) 9*256kB (ME) 17*512kB (UME) 5*1024kB (UME) 1*2048kB (M) 147*4096kB (M) = 648148kB
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: 65*4kB (U) 419*8kB (UM) 287*16kB (UME) 74*32kB (UM) 36*64kB (UME) 19*128kB (UM) 12*256kB (UME) 2*512kB (UE) 3*1024kB (UME) 4*2048kB (UM) 979*4096kB (M) = 4040652kB
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
23212 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
363837 pages reserved
0 pages cma reserved
gfs2: gfs2 mount does not exist
syz-executor.5: vmalloc: allocation failure: 8589934608 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor.5 cpuset=/ mems_allowed=0-1
CPU: 1 PID: 6021 Comm: syz-executor.5 Not tainted 4.14.209-syzkaller #0
, at: [<ffffffff85fe6332>] genl_lock net/netlink/genetlink.c:33 [inline]
, at: [<ffffffff85fe6332>] genl_rcv_msg+0x112/0x140 net/netlink/genetlink.c:623
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x283 lib/dump_stack.c:58
warn_alloc.cold+0x96/0x1cc mm/page_alloc.c:3255
stack backtrace:
__vmalloc_node_range mm/vmalloc.c:1789 [inline]
__vmalloc_node mm/vmalloc.c:1818 [inline]
__vmalloc_node_flags mm/vmalloc.c:1832 [inline]
vzalloc+0x122/0x150 mm/vmalloc.c:1871
ip_set_alloc+0x7d/0xc0 net/netfilter/ipset/ip_set_core.c:261
hash_netiface_create+0x39a/0xd00 net/netfilter/ipset/ip_set_hash_gen.h:1303
ip_set_create+0x600/0xfd0 net/netfilter/ipset/ip_set_core.c:911
nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515
netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007f9379ce6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029bc0 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe984631cf R14: 00007f9379ce79c0 R15: 000000000118bf2c
CPU: 0 PID: 5992 Comm: syz-executor.1 Not tainted 4.14.209-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x283 lib/dump_stack.c:58
tipc_bearer_find+0x1ff/0x2f0 net/tipc/bearer.c:177
tipc_nl_compat_link_set+0x40b/0xb90 net/tipc/netlink_compat.c:807
__tipc_nl_compat_doit net/tipc/netlink_compat.c:316 [inline]
tipc_nl_compat_doit+0x192/0x5d0 net/tipc/netlink_compat.c:364
tipc_nl_compat_handle net/tipc/netlink_compat.c:1215 [inline]
tipc_nl_compat_recv+0xa0b/0xae0 net/tipc/netlink_compat.c:1297
genl_family_rcv_msg+0x572/0xb20 net/netlink/genetlink.c:600
genl_rcv_msg+0xaf/0x140 net/netlink/genetlink.c:625
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
genl_rcv+0x24/0x40 net/netlink/genetlink.c:636
netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007f6b0e2e0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000002da40 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffcfc8dae0f R14: 00007f6b0e2e19c0 R15: 000000000118bf2c
gfs2: gfs2 mount does not exist
syz-executor.5: vmalloc: allocation failure: 8589934608 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor.5 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 6054 Comm: syz-executor.5 Not tainted 4.14.209-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x283 lib/dump_stack.c:58
warn_alloc.cold+0x96/0x1cc mm/page_alloc.c:3255
__vmalloc_node_range mm/vmalloc.c:1789 [inline]
__vmalloc_node mm/vmalloc.c:1818 [inline]
__vmalloc_node_flags mm/vmalloc.c:1832 [inline]
vzalloc+0x122/0x150 mm/vmalloc.c:1871
ip_set_alloc+0x7d/0xc0 net/netfilter/ipset/ip_set_core.c:261
hash_netiface_create+0x39a/0xd00 net/netfilter/ipset/ip_set_hash_gen.h:1303
ip_set_create+0x600/0xfd0 net/netfilter/ipset/ip_set_core.c:911
nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515
netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007f9379ce6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029bc0 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe984631cf R14: 00007f9379ce79c0 R15: 000000000118bf2c
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:245746 inactive_anon:4731 isolated_anon:0
active_file:6607 inactive_file:47451 isolated_file:0
unevictable:0 dirty:410 writeback:0 unstable:0
slab_reclaimable:17914 slab_unreclaimable:126439
mapped:61493 shmem:4932 pagetables:6627 bounce:0
free:1176197 free_pcp:316 free_cma:0
Node 0 active_anon:983084kB inactive_anon:18924kB active_file:26284kB inactive_file:189804kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:245972kB dirty:1636kB writeback:0kB shmem:19728kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 925696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 1 active_anon:0kB inactive_anon:0kB active_file:144kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:4kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 0 DMA free:15908kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2717 2718 2718 2718
Node 0 DMA32 free:650224kB min:36200kB low:45248kB high:54296kB active_anon:982972kB inactive_anon:18924kB active_file:26284kB inactive_file:189804kB unevictable:0kB writepending:1640kB present:3129332kB managed:2788172kB mlocked:0kB kernel_stack:14048kB pagetables:26404kB bounce:0kB free_pcp:1276kB local_pcp:620kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 Normal free:0kB min:4kB low:4kB high:4kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:520kB 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:4040652kB min:53696kB low:67120kB high:80544kB active_anon:0kB inactive_anon:0kB active_file:144kB inactive_file:0kB unevictable:0kB writepending:4kB present:4194304kB managed:4128256kB 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 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
Node 0 DMA32: 1065*4kB (UME) 817*8kB (UME) 225*16kB (UME) 205*32kB (UME) 60*64kB (UME) 34*128kB (UME) 10*256kB (UME) 17*512kB (UME) 5*1024kB (UME) 0*2048kB 148*4096kB (M) = 651740kB
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: 65*4kB (U) 419*8kB (UM) 287*16kB (UME) 74*32kB (UM) 36*64kB (UME) 19*128kB (UM) 12*256kB (UME) 2*512kB (UE) 3*1024kB (UME) 4*2048kB (UM) 979*4096kB (M) = 4040652kB
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
23219 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
363837 pages reserved
0 pages cma reserved
syz-executor.5: vmalloc: allocation failure: 8589934608 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor.5 cpuset=/ mems_allowed=0-1
CPU: 1 PID: 6109 Comm: syz-executor.5 Not tainted 4.14.209-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x283 lib/dump_stack.c:58
warn_alloc.cold+0x96/0x1cc mm/page_alloc.c:3255
__vmalloc_node_range mm/vmalloc.c:1789 [inline]
__vmalloc_node mm/vmalloc.c:1818 [inline]
__vmalloc_node_flags mm/vmalloc.c:1832 [inline]
vzalloc+0x122/0x150 mm/vmalloc.c:1871
ip_set_alloc+0x7d/0xc0 net/netfilter/ipset/ip_set_core.c:261
hash_netiface_create+0x39a/0xd00 net/netfilter/ipset/ip_set_hash_gen.h:1303
ip_set_create+0x600/0xfd0 net/netfilter/ipset/ip_set_core.c:911
nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515
netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007f9379ce6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029bc0 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe984631cf R14: 00007f9379ce79c0 R15: 000000000118bf2c
syz-executor.5: vmalloc: allocation failure: 8589934608 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor.5 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 6143 Comm: syz-executor.5 Not tainted 4.14.209-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x283 lib/dump_stack.c:58
warn_alloc.cold+0x96/0x1cc mm/page_alloc.c:3255
__vmalloc_node_range mm/vmalloc.c:1789 [inline]
__vmalloc_node mm/vmalloc.c:1818 [inline]
__vmalloc_node_flags mm/vmalloc.c:1832 [inline]
vzalloc+0x122/0x150 mm/vmalloc.c:1871
ip_set_alloc+0x7d/0xc0 net/netfilter/ipset/ip_set_core.c:261
hash_netiface_create+0x39a/0xd00 net/netfilter/ipset/ip_set_hash_gen.h:1303
ip_set_create+0x600/0xfd0 net/netfilter/ipset/ip_set_core.c:911
nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515
netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007f9379ce6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029bc0 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe984631cf R14: 00007f9379ce79c0 R15: 000000000118bf2c
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:245744 inactive_anon:4731 isolated_anon:0
active_file:6607 inactive_file:47472 isolated_file:0
unevictable:0 dirty:438 writeback:0 unstable:0
slab_reclaimable:17914 slab_unreclaimable:126151
mapped:61488 shmem:4932 pagetables:6617 bounce:0
free:1176492 free_pcp:351 free_cma:0
Node 0 active_anon:982948kB inactive_anon:18924kB active_file:26284kB inactive_file:189904kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:245952kB dirty:1764kB writeback:0kB shmem:19728kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 921600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 1 active_anon:0kB inactive_anon:0kB active_file:144kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:4kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 0 DMA free:15908kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2717 2718 2718 2718
Node 0 DMA32 free:653896kB min:36200kB low:45248kB high:54296kB active_anon:982948kB inactive_anon:18924kB active_file:26284kB inactive_file:189904kB unevictable:0kB writepending:1764kB present:3129332kB managed:2788172kB mlocked:0kB kernel_stack:14048kB pagetables:26412kB bounce:0kB free_pcp:1388kB local_pcp:644kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 Normal free:0kB min:4kB low:4kB high:4kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:520kB 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:4040652kB min:53696kB low:67120kB high:80544kB active_anon:0kB inactive_anon:0kB active_file:144kB inactive_file:0kB unevictable:0kB writepending:4kB present:4194304kB managed:4128256kB 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 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
Node 0 DMA32: 1076*4kB (UME) 677*8kB (UME) 381*16kB (UME) 212*32kB (UME) 60*64kB (UME) 33*128kB (UME) 11*256kB (UME) 17*512kB (UME) 5*1024kB (UME) 2*2048kB (M) 147*4096kB (M) = 653512kB
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: 65*4kB (U) 419*8kB (UM) 287*16kB (UME) 74*32kB (UM) 36*64kB (UME) 19*128kB (UM) 12*256kB (UME) 2*512kB (UE) 3*1024kB (UME) 4*2048kB (UM) 979*4096kB (M) = 4040652kB
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
23240 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
363837 pages reserved
0 pages cma reserved
syz-executor.5: vmalloc: allocation failure: 8589934608 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor.5 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 6189 Comm: syz-executor.5 Not tainted 4.14.209-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x283 lib/dump_stack.c:58
warn_alloc.cold+0x96/0x1cc mm/page_alloc.c:3255
__vmalloc_node_range mm/vmalloc.c:1789 [inline]
__vmalloc_node mm/vmalloc.c:1818 [inline]
__vmalloc_node_flags mm/vmalloc.c:1832 [inline]
vzalloc+0x122/0x150 mm/vmalloc.c:1871
ip_set_alloc+0x7d/0xc0 net/netfilter/ipset/ip_set_core.c:261
hash_netiface_create+0x39a/0xd00 net/netfilter/ipset/ip_set_hash_gen.h:1303
ip_set_create+0x600/0xfd0 net/netfilter/ipset/ip_set_core.c:911
nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515
netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007f9379ce6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029bc0 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe984631cf R14: 00007f9379ce79c0 R15: 000000000118bf2c
sock: process `syz-executor.4' is using obsolete getsockopt SO_BSDCOMPAT
---
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.
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https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: 87335852 Linux 4.14.209
git tree: linux-4.14.y
console output: https://syzkaller.appspot.com/x/log.txt?x=132a7f43500000
kernel config: https://syzkaller.appspot.com/x/.config?x=a932ed2a762225b
dashboard link: https://syzkaller.appspot.com/bug?extid=df57a75357eaace2cb62
compiler: gcc (GCC) 10.1.0-syz 20200507
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+df57a7...@syzkaller.appspotmail.com
syz-executor.5: vmalloc: allocation failure: 8589934608 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
=============================
syz-executor.5 cpuset=/ mems_allowed=0-1
WARNING: suspicious RCU usage
4.14.209-syzkaller #0 Not tainted
CPU: 1 PID: 5983 Comm: syz-executor.5 Not tainted 4.14.209-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x283 lib/dump_stack.c:58
warn_alloc.cold+0x96/0x1cc mm/page_alloc.c:3255
__vmalloc_node_range mm/vmalloc.c:1789 [inline]
__vmalloc_node mm/vmalloc.c:1818 [inline]
__vmalloc_node_flags mm/vmalloc.c:1832 [inline]
vzalloc+0x122/0x150 mm/vmalloc.c:1871
ip_set_alloc+0x7d/0xc0 net/netfilter/ipset/ip_set_core.c:261
hash_netiface_create+0x39a/0xd00 net/netfilter/ipset/ip_set_hash_gen.h:1303
ip_set_create+0x600/0xfd0 net/netfilter/ipset/ip_set_core.c:911
nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515
-----------------------------
net/tipc/bearer.c:177 suspicious rcu_dereference_protected() usage!
netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
2 locks held by syz-executor.1/5992:
#0:
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007f9379ce6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029bc0 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe984631cf R14: 00007f9379ce79c0 R15: 000000000118bf2c
(cb_lock){++++}, at: [<ffffffff85fe56d5>] genl_rcv+0x15/0x40 net/netlink/genetlink.c:635
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
#1:
active_anon:246286 inactive_anon:4731 isolated_anon:0
active_file:6607 inactive_file:47443 isolated_file:0
unevictable:0 dirty:390 writeback:0 unstable:0
slab_reclaimable:17922 slab_unreclaimable:126240
mapped:61457 shmem:4932 pagetables:6633 bounce:0
free:1176239 free_pcp:257 free_cma:0
(
Node 0 active_anon:985144kB inactive_anon:18924kB active_file:26284kB inactive_file:189772kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:245828kB dirty:1556kB writeback:0kB shmem:19728kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 925696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
genl_mutex
Node 1 active_anon:0kB inactive_anon:0kB active_file:144kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:4kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 0
){+.+.}
DMA free:15908kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2717 2718 2718 2718
Node 0 DMA32 free:648244kB min:36200kB low:45248kB high:54296kB active_anon:985080kB inactive_anon:18924kB active_file:26284kB inactive_file:189772kB unevictable:0kB writepending:1580kB present:3129332kB managed:2788172kB mlocked:0kB kernel_stack:14112kB pagetables:26524kB bounce:0kB free_pcp:1040kB local_pcp:308kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 Normal free:0kB min:4kB low:4kB high:4kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:520kB 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:4040652kB min:53696kB low:67120kB high:80544kB active_anon:0kB inactive_anon:0kB active_file:144kB inactive_file:0kB unevictable:0kB writepending:4kB present:4194304kB managed:4128256kB 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 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
Node 0 DMA32: 993*4kB (UME) 448*8kB (UME) 441*16kB (UME) 180*32kB (UME) 57*64kB (UME) 30*128kB (UME) 9*256kB (ME) 17*512kB (UME) 5*1024kB (UME) 1*2048kB (M) 147*4096kB (M) = 648148kB
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: 65*4kB (U) 419*8kB (UM) 287*16kB (UME) 74*32kB (UM) 36*64kB (UME) 19*128kB (UM) 12*256kB (UME) 2*512kB (UE) 3*1024kB (UME) 4*2048kB (UM) 979*4096kB (M) = 4040652kB
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
23212 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
363837 pages reserved
0 pages cma reserved
gfs2: gfs2 mount does not exist
syz-executor.5: vmalloc: allocation failure: 8589934608 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor.5 cpuset=/ mems_allowed=0-1
CPU: 1 PID: 6021 Comm: syz-executor.5 Not tainted 4.14.209-syzkaller #0
, at: [<ffffffff85fe6332>] genl_lock net/netlink/genetlink.c:33 [inline]
, at: [<ffffffff85fe6332>] genl_rcv_msg+0x112/0x140 net/netlink/genetlink.c:623
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x283 lib/dump_stack.c:58
warn_alloc.cold+0x96/0x1cc mm/page_alloc.c:3255
stack backtrace:
__vmalloc_node_range mm/vmalloc.c:1789 [inline]
__vmalloc_node mm/vmalloc.c:1818 [inline]
__vmalloc_node_flags mm/vmalloc.c:1832 [inline]
vzalloc+0x122/0x150 mm/vmalloc.c:1871
ip_set_alloc+0x7d/0xc0 net/netfilter/ipset/ip_set_core.c:261
hash_netiface_create+0x39a/0xd00 net/netfilter/ipset/ip_set_hash_gen.h:1303
ip_set_create+0x600/0xfd0 net/netfilter/ipset/ip_set_core.c:911
nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515
netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007f9379ce6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029bc0 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe984631cf R14: 00007f9379ce79c0 R15: 000000000118bf2c
CPU: 0 PID: 5992 Comm: syz-executor.1 Not tainted 4.14.209-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x283 lib/dump_stack.c:58
tipc_bearer_find+0x1ff/0x2f0 net/tipc/bearer.c:177
tipc_nl_compat_link_set+0x40b/0xb90 net/tipc/netlink_compat.c:807
__tipc_nl_compat_doit net/tipc/netlink_compat.c:316 [inline]
tipc_nl_compat_doit+0x192/0x5d0 net/tipc/netlink_compat.c:364
tipc_nl_compat_handle net/tipc/netlink_compat.c:1215 [inline]
tipc_nl_compat_recv+0xa0b/0xae0 net/tipc/netlink_compat.c:1297
genl_family_rcv_msg+0x572/0xb20 net/netlink/genetlink.c:600
genl_rcv_msg+0xaf/0x140 net/netlink/genetlink.c:625
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
genl_rcv+0x24/0x40 net/netlink/genetlink.c:636
netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007f6b0e2e0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000002da40 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffcfc8dae0f R14: 00007f6b0e2e19c0 R15: 000000000118bf2c
gfs2: gfs2 mount does not exist
syz-executor.5: vmalloc: allocation failure: 8589934608 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor.5 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 6054 Comm: syz-executor.5 Not tainted 4.14.209-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x283 lib/dump_stack.c:58
warn_alloc.cold+0x96/0x1cc mm/page_alloc.c:3255
__vmalloc_node_range mm/vmalloc.c:1789 [inline]
__vmalloc_node mm/vmalloc.c:1818 [inline]
__vmalloc_node_flags mm/vmalloc.c:1832 [inline]
vzalloc+0x122/0x150 mm/vmalloc.c:1871
ip_set_alloc+0x7d/0xc0 net/netfilter/ipset/ip_set_core.c:261
hash_netiface_create+0x39a/0xd00 net/netfilter/ipset/ip_set_hash_gen.h:1303
ip_set_create+0x600/0xfd0 net/netfilter/ipset/ip_set_core.c:911
nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515
netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007f9379ce6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029bc0 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe984631cf R14: 00007f9379ce79c0 R15: 000000000118bf2c
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:245746 inactive_anon:4731 isolated_anon:0
active_file:6607 inactive_file:47451 isolated_file:0
unevictable:0 dirty:410 writeback:0 unstable:0
slab_reclaimable:17914 slab_unreclaimable:126439
mapped:61493 shmem:4932 pagetables:6627 bounce:0
free:1176197 free_pcp:316 free_cma:0
Node 0 active_anon:983084kB inactive_anon:18924kB active_file:26284kB inactive_file:189804kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:245972kB dirty:1636kB writeback:0kB shmem:19728kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 925696kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 1 active_anon:0kB inactive_anon:0kB active_file:144kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:4kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 0 DMA free:15908kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2717 2718 2718 2718
Node 0 DMA32 free:650224kB min:36200kB low:45248kB high:54296kB active_anon:982972kB inactive_anon:18924kB active_file:26284kB inactive_file:189804kB unevictable:0kB writepending:1640kB present:3129332kB managed:2788172kB mlocked:0kB kernel_stack:14048kB pagetables:26404kB bounce:0kB free_pcp:1276kB local_pcp:620kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 Normal free:0kB min:4kB low:4kB high:4kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:520kB 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:4040652kB min:53696kB low:67120kB high:80544kB active_anon:0kB inactive_anon:0kB active_file:144kB inactive_file:0kB unevictable:0kB writepending:4kB present:4194304kB managed:4128256kB 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 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
Node 0 DMA32: 1065*4kB (UME) 817*8kB (UME) 225*16kB (UME) 205*32kB (UME) 60*64kB (UME) 34*128kB (UME) 10*256kB (UME) 17*512kB (UME) 5*1024kB (UME) 0*2048kB 148*4096kB (M) = 651740kB
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: 65*4kB (U) 419*8kB (UM) 287*16kB (UME) 74*32kB (UM) 36*64kB (UME) 19*128kB (UM) 12*256kB (UME) 2*512kB (UE) 3*1024kB (UME) 4*2048kB (UM) 979*4096kB (M) = 4040652kB
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
23219 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
363837 pages reserved
0 pages cma reserved
syz-executor.5: vmalloc: allocation failure: 8589934608 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor.5 cpuset=/ mems_allowed=0-1
CPU: 1 PID: 6109 Comm: syz-executor.5 Not tainted 4.14.209-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x283 lib/dump_stack.c:58
warn_alloc.cold+0x96/0x1cc mm/page_alloc.c:3255
__vmalloc_node_range mm/vmalloc.c:1789 [inline]
__vmalloc_node mm/vmalloc.c:1818 [inline]
__vmalloc_node_flags mm/vmalloc.c:1832 [inline]
vzalloc+0x122/0x150 mm/vmalloc.c:1871
ip_set_alloc+0x7d/0xc0 net/netfilter/ipset/ip_set_core.c:261
hash_netiface_create+0x39a/0xd00 net/netfilter/ipset/ip_set_hash_gen.h:1303
ip_set_create+0x600/0xfd0 net/netfilter/ipset/ip_set_core.c:911
nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515
netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007f9379ce6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029bc0 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe984631cf R14: 00007f9379ce79c0 R15: 000000000118bf2c
syz-executor.5: vmalloc: allocation failure: 8589934608 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor.5 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 6143 Comm: syz-executor.5 Not tainted 4.14.209-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x283 lib/dump_stack.c:58
warn_alloc.cold+0x96/0x1cc mm/page_alloc.c:3255
__vmalloc_node_range mm/vmalloc.c:1789 [inline]
__vmalloc_node mm/vmalloc.c:1818 [inline]
__vmalloc_node_flags mm/vmalloc.c:1832 [inline]
vzalloc+0x122/0x150 mm/vmalloc.c:1871
ip_set_alloc+0x7d/0xc0 net/netfilter/ipset/ip_set_core.c:261
hash_netiface_create+0x39a/0xd00 net/netfilter/ipset/ip_set_hash_gen.h:1303
ip_set_create+0x600/0xfd0 net/netfilter/ipset/ip_set_core.c:911
nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515
netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007f9379ce6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029bc0 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe984631cf R14: 00007f9379ce79c0 R15: 000000000118bf2c
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:245744 inactive_anon:4731 isolated_anon:0
active_file:6607 inactive_file:47472 isolated_file:0
unevictable:0 dirty:438 writeback:0 unstable:0
slab_reclaimable:17914 slab_unreclaimable:126151
mapped:61488 shmem:4932 pagetables:6617 bounce:0
free:1176492 free_pcp:351 free_cma:0
Node 0 active_anon:982948kB inactive_anon:18924kB active_file:26284kB inactive_file:189904kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:245952kB dirty:1764kB writeback:0kB shmem:19728kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 921600kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 1 active_anon:0kB inactive_anon:0kB active_file:144kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:4kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 0 DMA free:15908kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
lowmem_reserve[]: 0 2717 2718 2718 2718
Node 0 DMA32 free:653896kB min:36200kB low:45248kB high:54296kB active_anon:982948kB inactive_anon:18924kB active_file:26284kB inactive_file:189904kB unevictable:0kB writepending:1764kB present:3129332kB managed:2788172kB mlocked:0kB kernel_stack:14048kB pagetables:26412kB bounce:0kB free_pcp:1388kB local_pcp:644kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 Normal free:0kB min:4kB low:4kB high:4kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:520kB 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:4040652kB min:53696kB low:67120kB high:80544kB active_anon:0kB inactive_anon:0kB active_file:144kB inactive_file:0kB unevictable:0kB writepending:4kB present:4194304kB managed:4128256kB 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 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
Node 0 DMA32: 1076*4kB (UME) 677*8kB (UME) 381*16kB (UME) 212*32kB (UME) 60*64kB (UME) 33*128kB (UME) 11*256kB (UME) 17*512kB (UME) 5*1024kB (UME) 2*2048kB (M) 147*4096kB (M) = 653512kB
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: 65*4kB (U) 419*8kB (UM) 287*16kB (UME) 74*32kB (UM) 36*64kB (UME) 19*128kB (UM) 12*256kB (UME) 2*512kB (UE) 3*1024kB (UME) 4*2048kB (UM) 979*4096kB (M) = 4040652kB
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
23240 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
363837 pages reserved
0 pages cma reserved
syz-executor.5: vmalloc: allocation failure: 8589934608 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor.5 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 6189 Comm: syz-executor.5 Not tainted 4.14.209-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x283 lib/dump_stack.c:58
warn_alloc.cold+0x96/0x1cc mm/page_alloc.c:3255
__vmalloc_node_range mm/vmalloc.c:1789 [inline]
__vmalloc_node mm/vmalloc.c:1818 [inline]
__vmalloc_node_flags mm/vmalloc.c:1832 [inline]
vzalloc+0x122/0x150 mm/vmalloc.c:1871
ip_set_alloc+0x7d/0xc0 net/netfilter/ipset/ip_set_core.c:261
hash_netiface_create+0x39a/0xd00 net/netfilter/ipset/ip_set_hash_gen.h:1303
ip_set_create+0x600/0xfd0 net/netfilter/ipset/ip_set_core.c:911
nfnetlink_rcv_msg+0x9bb/0xc00 net/netfilter/nfnetlink.c:214
netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433
nfnetlink_rcv+0x1ab/0x1da0 net/netfilter/nfnetlink.c:515
netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
sock_sendmsg_nosec net/socket.c:646 [inline]
sock_sendmsg+0xb5/0x100 net/socket.c:656
___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
__sys_sendmsg+0xa3/0x120 net/socket.c:2096
SYSC_sendmsg net/socket.c:2107 [inline]
SyS_sendmsg+0x27/0x40 net/socket.c:2103
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007f9379ce6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000029bc0 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffe984631cf R14: 00007f9379ce79c0 R15: 000000000118bf2c
sock: process `syz-executor.4' is using obsolete getsockopt SO_BSDCOMPAT
---
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syzbot
Jul 9, 2021, 7:25:10 AM7/9/21
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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