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+0x1c9/0x2b4 lib/dump_stack.c:113
kasan: GPF could be caused by NULL-ptr deref or user memory access
dump_header+0x27b/0xf64 mm/oom_kill.c:432
general protection fault: 0000 [#1] SMP KASAN
CPU: 0 PID: 16877 Comm: syz-executor6 Not tainted 4.18.0-rc8+ #180
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:tcp_sk_exit+0x5a/0x230 net/ipv4/tcp_ipv4.c:2496
Code:
03
80
3c
02
00
0f
85
d0
01
00
00
49
oom_kill_process.cold.25+0x10/0x10bc mm/oom_kill.c:867
8b
9d
08
09
00
00
48
b8
00
00
00
00
00
fc
ff
df
48
8d
out_of_memory+0xa8a/0x14d0 mm/oom_kill.c:1081
bb
90
00
00
mem_cgroup_out_of_memory+0x15e/0x210 mm/memcontrol.c:1212
00
48
89
mem_cgroup_oom_synchronize+0x713/0x940 mm/memcontrol.c:1557
fa
48 c1
ea
pagefault_out_of_memory+0xc8/0x197 mm/oom_kill.c:1107
03
<80>
3c 02
mm_fault_error+0x1de/0x380 arch/x86/mm/fault.c:1024
00
__do_page_fault+0xd25/0xe50 arch/x86/mm/fault.c:1424
0f
85
9d
01
00
do_page_fault+0xf6/0x8c0 arch/x86/mm/fault.c:1471
00
48
8b
bb
90
00
00
00
bb
ff
ff
page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1160
ff
RIP: 0033:0x40e4cf
ff
Code:
0f
RSP: 0018:ffff880197227620 EFLAGS: 00010206
84
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90004c3b000
c8
RDX: 0000000000000012 RSI: ffffffff858461a9 RDI: 0000000000000090
02
RBP: ffff880197227668 R08: ffff880196638580 R09: ffffed003b6046d6
00
R10: ffffed003b6046d6 R11: ffff8801db0236b3 R12: 0000000000000001
00
R13: ffff8801d99a5840 R14: ffffed0032e44ed8 R15: ffff880197227740
48 83
FS: 00007f073fa0f700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000
bd
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
78
CR2: 000000000171ae80 CR3: 00000001c3007000 CR4: 00000000001406f0
ff
Call Trace:
ff ff
tcp_sk_init+0xdc6/0x12b0 net/ipv4/tcp_ipv4.c:2601
00
0f
84
f9
04
00
ops_init+0x101/0x560 net/core/net_namespace.c:128
00
48
setup_net+0x3d9/0x980 net/core/net_namespace.c:313
8b
95
68
ff
ff ff
44
89
95
38
copy_net_ns+0x2b8/0x4d0 net/core/net_namespace.c:436
ff
ff
ff
4c
create_new_namespaces+0x6ad/0x900 kernel/nsproxy.c:107
8d
ac
10
00
unshare_nsproxy_namespaces+0xc3/0x1f0 kernel/nsproxy.c:206
f7
ksys_unshare+0x723/0xfb0 kernel/fork.c:2442
ff
ff
<49>
89
85
90
06
00
00
49
8d
85
10
__do_sys_unshare kernel/fork.c:2510 [inline]
__se_sys_unshare kernel/fork.c:2508 [inline]
__x64_sys_unshare+0x31/0x40 kernel/fork.c:2508
03
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
00
00
49 89
95
98
06
entry_SYSCALL_64_after_hwframe+0x49/0xbe
00
RIP: 0033:0x456cb9
00
Code:
41
fd
b4
RSP: 002b:0000000000a3fb30 EFLAGS: 00010206
fb
ff
RAX: 00007f073f98c000 RBX: 0000000000020000 RCX: 0000000000456d0a
c3
RDX: 0000000000021000 RSI: 0000000000021000 RDI: 0000000000000000
66
RBP: 0000000000a3fc10 R08: ffffffffffffffff R09: 0000000000000000
2e
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000a3fd00
0f
R13: 00007f073f9ac700 R14: 0000000000000001 R15: 0000000000000003
1f
Task in
84 00 00 00 00 00 66 90 48 89 f8 48
/ile0
89
killed as a result of limit of
f7 48 89 d6 48 89
/ile0
ca
4d 89 c2 4d 89 c8 4c 8b 4c
memory: usage 116kB, limit 0kB, failcnt 1682
24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb
memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0
b4 fb ff c3 66 2e 0f 1f 84
kmem: usage 0kB, limit 9007199254740988kB, failcnt 0
00 00 00 00
RSP: 002b:00007f073fa0ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007f073fa0f6d4 RCX: 0000000000456cb9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000060040200
RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000
Memory cgroup stats for
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004d63c0 R14: 00000000004c9acf R15: 0000000000000000
Modules linked in:
/ile0
:
Dumping ftrace buffer:
(ftrace buffer empty)
---[ end trace 90a9201946be3ac0 ]---
cache:8KB
RIP: 0010:tcp_sk_exit+0x5a/0x230 net/ipv4/tcp_ipv4.c:2496
rss:0KB
Code:
rss_huge:0KB
03
shmem:0KB
80
mapped_file:0KB
3c
dirty:132KB
02
writeback:0KB
00
swap:0KB
0f
inactive_anon:0KB
85
active_anon:0KB
d0
inactive_file:0KB
01
active_file:0KB
00
unevictable:0KB
00
49
[ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name
8b
[16817] 0 16817 17684 8731 139264 0 0 syz-executor6
9d 08 09
Memory cgroup out of memory: Kill process 16817 (syz-executor6) score 8765000 or sacrifice child
00
Killed process 16817 (syz-executor6) total-vm:70736kB, anon-rss:2156kB, file-rss:32768kB, shmem-rss:0kB
00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 90 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 9d 01 00 00 48 8b bb 90 00 00 00 bb ff ff ff ff
RSP: 0018:ffff880197227620 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90004c3b000
RDX: 0000000000000012 RSI: ffffffff858461a9 RDI: 0000000000000090
RBP: ffff880197227668 R08: ffff880196638580 R09: ffffed003b6046d6
oom_reaper: reaped process 16817 (syz-executor6), now anon-rss:0kB, file-rss:32780kB, shmem-rss:0kB
R10: ffffed003b6046d6 R11: ffff8801db0236b3 R12: 0000000000000001
R13: ffff8801d99a5840 R14: ffffed0032e44ed8 R15: ffff880197227740
FS: 00007f073fa0f700(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000171ae80 CR3: 00000001c3007000 CR4: 00000000001406f0