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: 1 PID: 4637 Comm: syz-executor.4 Not tainted 5.4.125-syzkaller-00007-g4109c89bbb12 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__fsnotify_parent+0xbc/0x310 fs/notify/fsnotify.c:155
Code: 08 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 08 4b eb ff 4d 8b 36 4c 89 6c 24 18 44 89 64 24 14 4c 89 f0 48 c1 e8 03 <8a> 04 18 84 c0 0f 85 04 02 00 00 45 8b 2e bb 00 40 00 00 be 00 40
RSP: 0018:ffff88801afd7d00 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000040000
RDX: ffffc900054a5000 RSI: 00000000000005b2 RDI: 00000000000005b3
RBP: ffff88801afd7df0 R08: ffffffff81ddea8d R09: ffffed1021759c00
R10: ffffed103e78b06b R11: 0000000000000000 R12: 0000000000000020
R13: ffff88801afd7e60 R14: 0000000000000000 R15: 1ffff110035fafa4
FS:  00007fb85b28b700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb85b26a718 CR3: 00000001ee12e000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 fsnotify_parent include/linux/fsnotify.h:40 [inline]
 fsnotify_open include/linux/fsnotify.h:276 [inline]
 do_sys_open+0x53f/0x7c0 fs/open.c:1118
 do_syscall_64+0xcb/0x1e0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fb85d534739
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb85b28b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fb85d639038 RCX: 00007fb85d534739
RDX: 0000000000000000 RSI: 0000000020002180 RDI: ffffffffffffff9c
RBP: 00007fb85d58ecc4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb85d639038
R13: 00007fff5705799f R14: 00007fb85b28b300 R15: 0000000000022000
Modules linked in:
---[ end trace c827748ea8d5b27e ]---
RIP: 0010:__fsnotify_parent+0xbc/0x310 fs/notify/fsnotify.c:155
Code: 08 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 08 4b eb ff 4d 8b 36 4c 89 6c 24 18 44 89 64 24 14 4c 89 f0 48 c1 e8 03 <8a> 04 18 84 c0 0f 85 04 02 00 00 45 8b 2e bb 00 40 00 00 be 00 40
RSP: 0018:ffff88801afd7d00 EFLAGS: 00010246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000040000
RDX: ffffc900054a5000 RSI: 00000000000005b2 RDI: 00000000000005b3
RBP: ffff88801afd7df0 R08: ffffffff81ddea8d R09: ffffed1021759c00
R10: ffffed103e78b06b R11: 0000000000000000 R12: 0000000000000020
R13: ffff88801afd7e60 R14: 0000000000000000 R15: 1ffff110035fafa4
FS:  00007fb85b28b700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb85b26a718 CR3: 00000001ee12e000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	08 4c 89 f0          	or     %cl,-0x10(%rcx,%rcx,4)
   4:	48 c1 e8 03          	shr    $0x3,%rax
   8:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1)
   c:	74 08                	je     0x16
   e:	4c 89 f7             	mov    %r14,%rdi
  11:	e8 08 4b eb ff       	callq  0xffeb4b1e
  16:	4d 8b 36             	mov    (%r14),%r14
  19:	4c 89 6c 24 18       	mov    %r13,0x18(%rsp)
  1e:	44 89 64 24 14       	mov    %r12d,0x14(%rsp)
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	8a 04 18             	mov    (%rax,%rbx,1),%al <-- trapping instruction
  2d:	84 c0                	test   %al,%al
  2f:	0f 85 04 02 00 00    	jne    0x239
  35:	45 8b 2e             	mov    (%r14),%r13d
  38:	bb 00 40 00 00       	mov    $0x4000,%ebx
  3d:	be                   	.byte 0xbe
  3e:	00                   	.byte 0x0
  3f:	40                   	rex