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WARNING: CPU: 1 PID: 19118 at net/ipv4/af_inet.c:154 inet_sock_destruct+0x6df/0x8a0 net/ipv4/af_inet.c:154
Modules linked in:
CPU: 1 PID: 19118 Comm: kworker/u8:3 Not tainted 6.3.0-rc5-syzkaller-00247-gcdc9718d5e59 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Workqueue: netns cleanup_net
RIP: 0010:inet_sock_destruct+0x6df/0x8a0 net/ipv4/af_inet.c:154
Code: ff e8 35 7a ec f8 0f 0b e9 07 fe ff ff e8 29 7a ec f8 0f 0b e9 3f fe ff ff e8 1d 7a ec f8 0f 0b e9 95 fd ff ff e8 11 7a ec f8 <0f> 0b e9 9f fe ff ff e8 e5 9e 3c f9 e9 7a fc ff ff 4c 89 e7 e8 18
RSP: 0018:ffffc900005c8c48 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000ffff9000 RCX: 0000000000000100
RDX: ffff888000542040 RSI: ffffffff8895809f RDI: 0000000000000005
RBP: ffff888028599240 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffff9000 R11: 0000000000000054 R12: ffff888028599268
R13: ffff8880285994b4 R14: ffff8880285992c0 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff88802ca80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa914c0f000 CR3: 0000000067245000 CR4: 0000000000152ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__sk_destruct+0x4d/0x770 net/core/sock.c:2135
sk_destruct net/core/sock.c:2183 [inline]
__sk_free+0x175/0x460 net/core/sock.c:2194
sk_free+0x7c/0xa0 net/core/sock.c:2205
sock_put include/net/sock.h:1968 [inline]
tcp_write_timer+0x24b/0x2b0 net/ipv4/tcp_timer.c:644
call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751
__run_timers kernel/time/timer.c:2022 [inline]
__run_timers kernel/time/timer.c:1995 [inline]
run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
__do_softirq+0x1d4/0x905 kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x114/0x190 kernel/softirq.c:650
irq_exit_rcu+0x9/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1107
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:csd_lock_wait kernel/smp.c:413 [inline]
RIP: 0010:smp_call_function_single+0x1fb/0x680 kernel/smp.c:776
Code: 00 00 00 66 44 89 ac 24 8e 00 00 00 4c 89 e6 e8 bb fa ff ff 41 89 c5 0f 1f 44 00 00 e8 be 0e 0b 00 eb 07 e8 b7 0e 0b 00 f3 90 <44> 8b a4 24 88 00 00 00 31 ff 41 83 e4 01 44 89 e6 e8 ef 0a 0b 00
RSP: 0018:ffffc90002b478e0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 1ffff92000568f20 RCX: 0000000000000000
RDX: ffff888000542040 RSI: ffffffff8176ebf9 RDI: 0000000000000005
RBP: ffffc90002b479e8 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000002
rcu_barrier+0x283/0x6a0 kernel/rcu/tree.c:3997
netdev_run_todo+0x2a9/0x1100 net/core/dev.c:10326
ip6_tnl_exit_batch_net+0x582/0x6f0 net/ipv6/ip6_tunnel.c:2279
ops_exit_list+0x125/0x170 net/core/net_namespace.c:174
cleanup_net+0x4ee/0xb10 net/core/net_namespace.c:613
process_one_work+0x991/0x15c0 kernel/workqueue.c:2390
worker_thread+0x669/0x1090 kernel/workqueue.c:2537
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 66 44 add %ah,0x44(%rsi)
5: 89 ac 24 8e 00 00 00 mov %ebp,0x8e(%rsp)
c: 4c 89 e6 mov %r12,%rsi
f: e8 bb fa ff ff callq 0xfffffacf
14: 41 89 c5 mov %eax,%r13d
17: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
1c: e8 be 0e 0b 00 callq 0xb0edf
21: eb 07 jmp 0x2a
23: e8 b7 0e 0b 00 callq 0xb0edf
28: f3 90 pause
* 2a: 44 8b a4 24 88 00 00 mov 0x88(%rsp),%r12d <-- trapping instruction
31: 00
32: 31 ff xor %edi,%edi
34: 41 83 e4 01 and $0x1,%r12d
38: 44 89 e6 mov %r12d,%esi
3b: e8 ef 0a 0b 00 callq 0xb0b2f