------------[ cut here ]------------ WARNING: CPU: 1 PID: 7879 at fs/attr.c:398 notify_change+0xcf0/0xf50 Modules linked in: CPU: 0 PID: 7879 Comm: syz.1.725 Not tainted 5.15.168-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:notify_change+0xcf0/0xf50 fs/attr.c:398 Code: ee e8 94 d7 f4 01 48 89 ef 89 de e8 3a 1c f5 01 45 31 f6 44 89 f0 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 40 07 a3 ff <0f> 0b e9 d7 f3 ff ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 5a f3 ff RSP: 0018:ffffc90003397c48 EFLAGS: 00010287 RAX: ffffffff81dd6bf0 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000467b000 RSI: 00000000000035a9 RDI: 00000000000035aa RBP: ffffc90003397d80 R08: ffffffff81dd5fc0 R09: ffffed100ea328b3 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffffff8c7cd4e0 R14: ffff8880751944b0 R15: ffff8880751c98f8 FS: 00007f6c1eb336c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9c3e7b4a40 CR3: 000000001a1f2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000085 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: chmod_common+0x2a7/0x4b0 fs/open.c:582 do_fchmodat fs/open.c:621 [inline] __do_sys_chmod fs/open.c:639 [inline] __se_sys_chmod fs/open.c:637 [inline] __x64_sys_chmod+0xf4/0x180 fs/open.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f6c206dbff9 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:00007f6c1eb33038 EFLAGS: 00000246 ORIG_RAX: 000000000000005a RAX: ffffffffffffffda RBX: 00007f6c20894058 RCX: 00007f6c206dbff9 RDX: 0000000000000000 RSI: 9c32f69e6caa24ef RDI: 0000000020000940 RBP: 00007f6c2074e296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f6c20894058 R15: 00007ffd7d5abc38