------------[ cut here ]------------ kernel BUG at fs/notify/dnotify/dnotify.c:135! invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 1092 Comm: kworker/u32:7 Not tainted 6.9.0-rc4-syzkaller-00031-g96fca68c4fbf #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Workqueue: events_unbound fsnotify_mark_destroy_workfn RIP: 0010:dnotify_free_mark fs/notify/dnotify/dnotify.c:135 [inline] RIP: 0010:dnotify_free_mark+0x50/0x60 fs/notify/dnotify/dnotify.c:129 Code: 3c 02 00 75 27 48 83 bb 80 00 00 00 00 75 15 e8 26 1c 80 ff 48 89 de 48 8b 3d f4 60 18 0b 5b e9 56 0e d1 ff e8 11 1c 80 ff 90 <0f> 0b e8 d9 3e db ff eb d2 0f 1f 80 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffffc9000323fbe8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88801e0f2000 RCX: 1ffff11003c1e402 RDX: ffff8880228d8000 RSI: ffffffff820da70f RDI: ffff88801e0f2080 RBP: ffff88801cd28000 R08: 1ffff92000647f8c R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000002 R12: ffffffff8b1e2300 R13: ffffc9000323fc48 R14: ffff88801e0f2010 R15: ffff88801e0f2018 FS: 0000000000000000(0000) GS:ffff88806b300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30425000 CR3: 000000000d57a000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: fsnotify_final_mark_destroy+0x76/0xc0 fs/notify/mark.c:278 fsnotify_mark_destroy_workfn+0x204/0x360 fs/notify/mark.c:866 process_one_work+0x9a9/0x1ac0 kernel/workqueue.c:3254 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416 kthread+0x2c1/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:dnotify_free_mark fs/notify/dnotify/dnotify.c:135 [inline] RIP: 0010:dnotify_free_mark+0x50/0x60 fs/notify/dnotify/dnotify.c:129 Code: 3c 02 00 75 27 48 83 bb 80 00 00 00 00 75 15 e8 26 1c 80 ff 48 89 de 48 8b 3d f4 60 18 0b 5b e9 56 0e d1 ff e8 11 1c 80 ff 90 <0f> 0b e8 d9 3e db ff eb d2 0f 1f 80 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffffc9000323fbe8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88801e0f2000 RCX: 1ffff11003c1e402 RDX: ffff8880228d8000 RSI: ffffffff820da70f RDI: ffff88801e0f2080 RBP: ffff88801cd28000 R08: 1ffff92000647f8c R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000002 R12: ffffffff8b1e2300 R13: ffffc9000323fc48 R14: ffff88801e0f2010 R15: ffff88801e0f2018 FS: 0000000000000000(0000) GS:ffff88806b300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000480 CR3: 000000003fdc4000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400