------------[ cut here ]------------
name->len > NAME_MAX
WARNING: fs/notify/fanotify/fanotify.h:216 at fanotify_info_copy_name fs/notify/fanotify/fanotify.h:216 [inline], CPU#0: syz.0.0/5336
WARNING: fs/notify/fanotify/fanotify.h:216 at fanotify_alloc_name_event fs/notify/fanotify/fanotify.c:686 [inline], CPU#0: syz.0.0/5336
WARNING: fs/notify/fanotify/fanotify.h:216 at fanotify_alloc_event fs/notify/fanotify/fanotify.c:851 [inline], CPU#0: syz.0.0/5336
WARNING: fs/notify/fanotify/fanotify.h:216 at fanotify_handle_event+0x313c/0x3e20 fs/notify/fanotify/fanotify.c:982, CPU#0: syz.0.0/5336
Modules linked in:
CPU: 0 UID: 0 PID: 5336 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 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+0x313c/0x3e20 fs/notify/fanotify/fanotify.c:982
Code: 8b 24 24 e9 24 f8 ff ff e8 61 46 6b ff 90 0f 0b 90 e9 44 f9 ff ff e8 53 46 6b ff 90 0f 0b 90 e9 58 fa ff ff e8 45 46 6b ff 90 <0f> 0b 90 e9 0a fc ff ff e8 37 46 6b ff 90 0f 0b 90 e9 b1 fd ff ff
RSP: 0018:ffffc9000dac7440 EFLAGS: 00010293
RAX: ffffffff825a54db RBX: 0000000000000107 RCX: ffff88801f890000
RDX: 0000000000000000 RSI: 0000000000000107 RDI: 00000000000000ff
RBP: ffffc9000dac7620 R08: 0000000000000002 R09: 0000000000000000
R10: ffff88801281b838 R11: ffffed1002503708 R12: 0000000000000107
R13: 1ffff92001b58ea0 R14: 0000000000000000 R15: ffff88801281b800
FS:  00007fe73b2536c0(0000) GS:ffff88808ca5b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd5b117d80 CR3: 000000004236a000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 send_to_group fs/notify/fsnotify.c:371 [inline]
 fsnotify+0x142f/0x1ae0 fs/notify/fsnotify.c:592
 __fsnotify_parent+0x50d/0x620 fs/notify/fsnotify.c:238
 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:1088
 do_open fs/namei.c:4671 [inline]
 path_openat+0x2e08/0x3860 fs/namei.c:4830
 do_file_open+0x23e/0x4a0 fs/namei.c:4859
 do_sys_openat2+0x113/0x200 fs/open.c:1366
 do_sys_open fs/open.c:1372 [inline]
 __do_sys_open fs/open.c:1380 [inline]
 __se_sys_open fs/open.c:1376 [inline]
 __x64_sys_open+0x11e/0x150 fs/open.c:1376
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe73a39c629
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe73b253028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007fe73a616090 RCX: 00007fe73a39c629
RDX: 0000000000000000 RSI: 0000000000004540 RDI: 00002000000002c0
RBP: 00007fe73a432b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe73a616128 R14: 00007fe73a616090 R15: 00007ffd5b118538
 </TASK>