------------[ cut here ]------------ WARNING: CPU: 1 PID: 6050 at fs/attr.c:426 notify_change+0xc3a/0xe90 fs/attr.c:426 Modules linked in: CPU: 1 UID: 0 PID: 6050 Comm: syz.2.129 Not tainted 6.11.0-next-20240925-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:notify_change+0xc3a/0xe90 fs/attr.c:426 Code: 28 4c 89 e6 89 da e8 75 37 53 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 a7 fd 7a ff 90 <0f> 0b 90 e9 92 f4 ff ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 14 f4 RSP: 0018:ffffc9000354fbe8 EFLAGS: 00010287 RAX: ffffffff8219e549 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000a1c5000 RSI: 0000000000001368 RDI: 0000000000001369 RBP: ffffffff8ea90420 R08: ffffffff8219d9d6 R09: 1ffff1100b3a529d R10: dffffc0000000000 R11: ffffed100b3a529e R12: ffff88805d598eb0 R13: ffffc9000354fd40 R14: ffff888059d29410 R15: dffffc0000000000 FS: 00007f69949ff6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f69949fef98 CR3: 000000005ce5a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: chown_common+0x501/0x850 fs/open.c:793 do_fchownat+0x16a/0x240 fs/open.c:824 __do_sys_lchown fs/open.c:849 [inline] __se_sys_lchown fs/open.c:847 [inline] __x64_sys_lchown+0x85/0xa0 fs/open.c:847 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6994f7def9 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:00007f69949ff038 EFLAGS: 00000246 ORIG_RAX: 000000000000005e RAX: ffffffffffffffda RBX: 00007f6995136130 RCX: 00007f6994f7def9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007f6994ff0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f6995136130 R15: 00007ffce8088918