------------[ cut here ]------------
WARNING: fs/attr.c:426 at notify_change+0xc80/0xf40 fs/attr.c:426, CPU#0: syz.0.0/5342
Modules linked in:
CPU: 0 UID: 0 PID: 5342 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~bpo12+1 04/01/2014
RIP: 0010:notify_change+0xc80/0xf40 fs/attr.c:426
Code: 89 ff 4c 89 ee 89 ea e8 be bd fd 01 31 db 89 d8 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d e9 17 c7 1b 09 cc e8 51 4e 7e ff 90 <0f> 0b 90 e9 57 f4 ff ff 89 d9 80 e1 07 fe c1 38 c1 0f 8c da f3 ff
RSP: 0018:ffffc9000e05fbf8 EFLAGS: 00010293
RAX: ffffffff8242b90f RBX: 0000000000000000 RCX: ffff888000880000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000046 R08: ffff8880446bd05f R09: 1ffff110088d7a0b
R10: dffffc0000000000 R11: ffffed10088d7a0c R12: ffffffff8dde3760
R13: ffffc9000e05fd20 R14: ffff88801a1c51a0 R15: dffffc0000000000
FS: 00007f63236596c0(0000) GS:ffff88808d414000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f63228a9e60 CR3: 000000001134c000 CR4: 0000000000352ef0
Call Trace:
<TASK>
chown_common+0x40c/0x5b0 fs/open.c:788
do_fchownat+0x161/0x270 fs/open.c:819
__do_sys_fchownat fs/open.c:834 [inline]
__se_sys_fchownat fs/open.c:831 [inline]
__x64_sys_fchownat+0xb5/0xd0 fs/open.c:831
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f632278f7c9
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:00007f6323659038 EFLAGS: 00000246 ORIG_RAX: 0000000000000104
RAX: ffffffffffffffda RBX: 00007f63229e6090 RCX: 00007f632278f7c9
RDX: 00000000000043c0 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007f6322813f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f63229e6128 R14: 00007f63229e6090 R15: 00007fffee852978
</TASK>