------------[ cut here ]------------ WARNING: CPU: 0 PID: 5556 at fs/attr.c:390 notify_change+0xce9/0xf40 fs/attr.c:390 Modules linked in: CPU: 0 PID: 5556 Comm: syz.1.134 Not tainted 6.1.140-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:notify_change+0xce9/0xf40 fs/attr.c:390 Code: 89 e6 e8 9a 2a e9 01 4c 89 e7 44 89 ee e8 6f 69 e9 01 31 db 89 d8 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 47 2d 99 ff <0f> 0b e9 dd f3 ff ff 89 e9 80 e1 07 fe c1 38 c1 0f 8c 64 f3 ff ff RSP: 0018:ffffc90004247c50 EFLAGS: 00010293 RAX: ffffffff81e7a9c9 RBX: 0000000000000000 RCX: ffff88802f2fd940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8880713035f0 R08: dffffc0000000000 R09: ffffed100e2606db R10: ffffed100e2606db R11: 1ffff1100e2606da R12: ffffc90004247d60 R13: ffff8880744df8f8 R14: 0000000000000041 R15: dffffc0000000000 FS: 00007f3c7bd886c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3c7bd87f98 CR3: 00000000268a0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: chmod_common+0x24c/0x3f0 fs/open.c:606 do_fchmodat+0xca/0x190 fs/open.c:645 __do_sys_chmod fs/open.c:663 [inline] __se_sys_chmod fs/open.c:661 [inline] __x64_sys_chmod+0x5c/0x70 fs/open.c:661 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f3c7af8d169 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:00007f3c7bd88038 EFLAGS: 00000246 ORIG_RAX: 000000000000005a RAX: ffffffffffffffda RBX: 00007f3c7b1a6080 RCX: 00007f3c7af8d169 RDX: 0000000000000000 RSI: 000000000000018e RDI: 0000200000021d00 RBP: 00007f3c7b00e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f3c7b1a6080 R15: 00007ffca9df8878