------------[ cut here ]------------ kernel BUG at fs/notify/dnotify/dnotify.c:134! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 53 Comm: kworker/u8:3 Not tainted 6.15.0-rc4-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 Workqueue: events_unbound fsnotify_mark_destroy_workfn RIP: 0010:dnotify_free_mark fs/notify/dnotify/dnotify.c:134 [inline] RIP: 0010:dnotify_free_mark+0x50/0x60 fs/notify/dnotify/dnotify.c:128 Code: 3c 02 00 75 27 48 83 bb 80 00 00 00 00 75 15 e8 26 c5 73 ff 48 8b 3d 0f 10 87 0b 48 89 de 5b e9 a6 c3 cd ff e8 11 c5 73 ff 90 <0f> 0b e8 d9 4a d8 ff eb d2 0f 1f 80 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffffc90000be7b80 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888033fdd000 RCX: 1ffff110067fba02 RDX: ffff888022e80000 RSI: ffffffff82476b3f RDI: ffff888033fdd080 RBP: ffff888145697800 R08: 1ffff9200017cf7f R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000002bc0 R12: ffffffff8ba03300 R13: ffffc90000be7be0 R14: ffff888033fdd010 R15: ffff888033fdd018 FS: 0000000000000000(0000) GS:ffff8881249e9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fc1bff8 CR3: 000000000e180000 CR4: 0000000000350ef0 Call Trace: fsnotify_final_mark_destroy+0x79/0xc0 fs/notify/mark.c:372 fsnotify_mark_destroy_workfn+0x203/0x350 fs/notify/mark.c:1000 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400 kthread+0x3c5/0x780 kernel/kthread.c:464 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:dnotify_free_mark fs/notify/dnotify/dnotify.c:134 [inline] RIP: 0010:dnotify_free_mark+0x50/0x60 fs/notify/dnotify/dnotify.c:128 Code: 3c 02 00 75 27 48 83 bb 80 00 00 00 00 75 15 e8 26 c5 73 ff 48 8b 3d 0f 10 87 0b 48 89 de 5b e9 a6 c3 cd ff e8 11 c5 73 ff 90 <0f> 0b e8 d9 4a d8 ff eb d2 0f 1f 80 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffffc90000be7b80 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888033fdd000 RCX: 1ffff110067fba02 RDX: ffff888022e80000 RSI: ffffffff82476b3f RDI: ffff888033fdd080 RBP: ffff888145697800 R08: 1ffff9200017cf7f R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000002bc0 R12: ffffffff8ba03300 R13: ffffc90000be7be0 R14: ffff888033fdd010 R15: ffff888033fdd018 FS: 0000000000000000(0000) GS:ffff8881249e9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000004000 CR3: 00000000706b4000 CR4: 0000000000350ef0