------------[ cut here ]------------ WARNING: CPU: 1 PID: 9078 at fs/attr.c:388 notify_change+0xc0d/0xe70 fs/attr.c:388 Modules linked in: CPU: 1 PID: 9078 Comm: syz-executor.1 Not tainted 6.9.0-syzkaller-08995-g0450d2083be6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:notify_change+0xc0d/0xe70 fs/attr.c:388 Code: 28 4c 89 e6 89 da e8 42 b9 4e 02 45 31 f6 44 89 f0 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 44 ae 84 ff 90 <0f> 0b 90 e9 bf f4 ff ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 41 f4 RSP: 0018:ffffc900032ffbe8 EFLAGS: 00010283 RAX: ffffffff8211827c RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000f1fb000 RSI: 00000000000052eb RDI: 00000000000052ec RBP: ffffffff8e47a8a0 R08: ffffffff82117736 R09: 1ffff1100b34c2a1 R10: dffffc0000000000 R11: ffffed100b34c2a2 R12: ffff88807b58c000 R13: ffffc900032ffd40 R14: ffff888059a61428 R15: dffffc0000000000 FS: 00007f52bf40f6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffea5283078 CR3: 000000002b1a2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: chown_common+0x501/0x850 fs/open.c:790 do_fchownat+0x16d/0x250 fs/open.c:821 __do_sys_lchown fs/open.c:846 [inline] __se_sys_lchown fs/open.c:844 [inline] __x64_sys_lchown+0x85/0xa0 fs/open.c:844 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f52be67cee9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f52bf40f0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000005e RAX: ffffffffffffffda RBX: 00007f52be7ac050 RCX: 00007f52be67cee9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007f52be6c949e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f52be7ac050 R15: 00007ffc25ec78f8