loop0: detected capacity change from 0 to 128
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5803 at fs/notify/fanotify/fanotify.h:216 fanotify_info_copy_name fs/notify/fanotify/fanotify.h:216 [inline]
WARNING: CPU: 0 PID: 5803 at fs/notify/fanotify/fanotify.h:216 fanotify_alloc_name_event fs/notify/fanotify/fanotify.c:686 [inline]
WARNING: CPU: 0 PID: 5803 at fs/notify/fanotify/fanotify.h:216 fanotify_alloc_event fs/notify/fanotify/fanotify.c:851 [inline]
WARNING: CPU: 0 PID: 5803 at fs/notify/fanotify/fanotify.h:216 fanotify_handle_event+0x30fd/0x3d00 fs/notify/fanotify/fanotify.c:982
Modules linked in:
CPU: 0 UID: 0 PID: 5803 Comm: syz.0.15 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:fanotify_info_copy_name fs/notify/fanotify/fanotify.h:216 [inline]
RIP: 0010:fanotify_alloc_name_event fs/notify/fanotify/fanotify.c:686 [inline]
RIP: 0010:fanotify_alloc_event fs/notify/fanotify/fanotify.c:851 [inline]
RIP: 0010:fanotify_handle_event+0x30fd/0x3d00 fs/notify/fanotify/fanotify.c:982
Code: f8 ff ff e8 85 61 75 ff 90 0f 0b 90 e9 3e f9 ff ff e8 77 61 75 ff 90 0f 0b 90 4c 8b 64 24 08 e9 62 fa ff ff e8 64 61 75 ff 90 <0f> 0b 90 e9 f4 fb ff ff e8 56 61 75 ff 90 0f 0b 90 e9 9d fd ff ff
RSP: 0018:ffffc900029ff480 EFLAGS: 00010293
RAX: ffffffff824a6bac RBX: 0000000000000ffd RCX: ffff888000448000
RDX: 0000000000000000 RSI: 0000000000000ffd RDI: 00000000000000ff
RBP: ffffc900029ff660 R08: 0000000000000002 R09: 0000000000000000
R10: ffff888059b8c038 R11: ffffffff8241e5b0 R12: 0000000000000ffd
R13: 1ffff9200053fea8 R14: ffffc900029ff880 R15: ffff888059b8c000
FS:  00007f8238dd06c0(0000) GS:ffff88808d00a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020004000 CR3: 00000000511f3000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 send_to_group fs/notify/fsnotify.c:420 [inline]
 fsnotify+0x140f/0x1a80 fs/notify/fsnotify.c:641
 __fsnotify_parent+0x3fe/0x540 fs/notify/fsnotify.c:287
 fsnotify_parent include/linux/fsnotify.h:96 [inline]
 fsnotify_path include/linux/fsnotify.h:113 [inline]
 fsnotify_file include/linux/fsnotify.h:127 [inline]
 fsnotify_open include/linux/fsnotify.h:446 [inline]
 vfs_open+0x28a/0x340 fs/open.c:1102
 do_open fs/namei.c:3887 [inline]
 path_openat+0x2ee5/0x3830 fs/namei.c:4046
 do_filp_open+0x1fa/0x410 fs/namei.c:4073
 do_sys_openat2+0x121/0x1c0 fs/open.c:1435
 do_sys_open fs/open.c:1450 [inline]
 __do_sys_creat fs/open.c:1528 [inline]
 __se_sys_creat fs/open.c:1522 [inline]
 __x64_sys_creat+0x8f/0xc0 fs/open.c:1522
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8237f7e719
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8238dd0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f8238135f80 RCX: 00007f8237f7e719
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020003500
RBP: 00007f8237ff139e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8238135f80 R15: 00007ffdf9327868
 </TASK>