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: 11113 Comm: syz-executor.5 Not tainted 5.0.0-rc4+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:fanotify_get_fsid fs/notify/fanotify/fanotify.c:273 [inline]
RIP: 0010:fanotify_handle_event+0x50e/0xb27 fs/notify/fanotify/fanotify.c:325
Code: 00 00 4d 8b 30 49 8d 7e 68 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 a2 05 00 00 4d 8b 76 68 49 8d 7e 3c 48 89 f8 48 c1 e8 03 <46> 0f b6 0c 28 48 89 f8 83 e0 07 83 c0 03 44 38 c8 7c 09 45 84 c9
RSP: 0018:ffff88807dddfb80 EFLAGS: 00010203
RAX: 0000000000000007 RBX: 0000000000000002 RCX: ffff88809993f5d0
RDX: 0000000000000002 RSI: ffff88809dfdb3b0 RDI: 000000000000003c
RBP: ffff88807dddfcc0 R08: ffff88807dddfd70 R09: 0000000000000002
R10: 0000000000000002 R11: 0000000000400000 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000001
FS:  00007ffaa6036700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5522b73000 CR3: 0000000091fc3000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 send_to_group fs/notify/fsnotify.c:243 [inline]
 fsnotify+0x53c/0xab0 fs/notify/fsnotify.c:381
 fsnotify_path include/linux/fsnotify.h:54 [inline]
 fsnotify_modify include/linux/fsnotify.h:247 [inline]
 vfs_write+0x38c/0x4e0 fs/read_write.c:551
 ksys_write+0xcd/0x1b0 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x6e/0xb0 fs/read_write.c:607
 do_syscall_64+0xd6/0x4e0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458c29
Code: ad b8 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 b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffaa6035c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29
RDX: 0000000000000007 RSI: 0000000020000080 RDI: 0000000000000006
RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffaa60366d4
R13: 00000000004c8386 R14: 00000000004de8b8 R15: 00000000ffffffff
Modules linked in:
---[ end trace 4c67a6de0e77bac3 ]---
RIP: 0010:fanotify_get_fsid fs/notify/fanotify/fanotify.c:273 [inline]
RIP: 0010:fanotify_handle_event+0x50e/0xb27 fs/notify/fanotify/fanotify.c:325
Code: 00 00 4d 8b 30 49 8d 7e 68 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 a2 05 00 00 4d 8b 76 68 49 8d 7e 3c 48 89 f8 48 c1 e8 03 <46> 0f b6 0c 28 48 89 f8 83 e0 07 83 c0 03 44 38 c8 7c 09 45 84 c9
RSP: 0018:ffff88807dddfb80 EFLAGS: 00010203
RAX: 0000000000000007 RBX: 0000000000000002 RCX: ffff88809993f5d0
RDX: 0000000000000002 RSI: ffff88809dfdb3b0 RDI: 000000000000003c
RBP: ffff88807dddfcc0 R08: ffff88807dddfd70 R09: 0000000000000002
R10: 0000000000000002 R11: 0000000000400000 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000001
FS:  00007ffaa6036700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5522b73000 CR3: 0000000091fc3000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400