kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 30965 Comm: syz-executor.5 Not tainted 4.19.104-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:perf_trace_lock_acquire+0x9d/0x580 include/trace/events/lock.h:13
Code: 04 f1 f1 04 f2 c7 40 08 00 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 8d 46 18 48 89 85 48 ff ff ff 48 c1 e8 03 <80> 3c 10 00 0f 85 6d 03 00 00 49 8b 7e 18 48 85 ff 0f 84 0f 03 00
RSP: 0018:ffff888094d1fa68 EFLAGS: 00010006
RAX: 0000000000000006 RBX: ffff88808e3dfda8 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000018 RDI: ffffffff88f7b880
RBP: ffff888094d1fb50 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff88f7b880
R13: 0000000000000000 R14: 0000000000000018 R15: ffff888094d1fb28
FS:  00007f3e67263700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000002742ad0 CR3: 000000009eadc000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 trace_lock_acquire include/trace/events/lock.h:13 [inline]
 lock_acquire+0x299/0x3f0 kernel/locking/lockdep.c:3902
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152
 prepare_to_wait+0x7c/0x300 kernel/sched/wait.c:230
 nr_accept+0x239/0x760 net/netrom/af_netrom.c:796
 __sys_accept4+0x34e/0x6a0 net/socket.c:1589
 __do_sys_accept net/socket.c:1630 [inline]
 __se_sys_accept net/socket.c:1627 [inline]
 __x64_sys_accept+0x75/0xb0 net/socket.c:1627
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c6c9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f3e67262c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002b
RAX: ffffffffffffffda RBX: 00007f3e672636d4 RCX: 000000000045c6c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 000000000076bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000000 R14: 00000000004c28ee R15: 000000000076bfd4
Modules linked in:
---[ end trace ebc83b9f55cb8814 ]---
RIP: 0010:perf_trace_lock_acquire+0x9d/0x580 include/trace/events/lock.h:13
Code: 04 f1 f1 04 f2 c7 40 08 00 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 8d 46 18 48 89 85 48 ff ff ff 48 c1 e8 03 <80> 3c 10 00 0f 85 6d 03 00 00 49 8b 7e 18 48 85 ff 0f 84 0f 03 00
RSP: 0018:ffff888094d1fa68 EFLAGS: 00010006
RAX: 0000000000000006 RBX: ffff88808e3dfda8 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000018 RDI: ffffffff88f7b880
RBP: ffff888094d1fb50 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff88f7b880
R13: 0000000000000000 R14: 0000000000000018 R15: ffff888094d1fb28
FS:  00007f3e67263700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000002742ad0 CR3: 000000009eadc000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400