------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci3 WARNING: CPU: 1 PID: 9917 at kernel/workqueue.c:2257 __queue_work+0xc9c/0x10f0 kernel/workqueue.c:2256 Modules linked in: CPU: 1 UID: 0 PID: 9917 Comm: syz-executor Not tainted 6.16.0-rc4-syzkaller-00308-ga79a588fc176 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__queue_work+0xc9c/0x10f0 kernel/workqueue.c:2256 Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 28 04 00 00 48 8b 75 18 4c 89 f2 48 c7 c7 00 ff ab 8b e8 f5 16 f7 ff 90 <0f> 0b 90 90 e9 96 f7 ff ff e8 86 56 38 00 90 0f 0b 90 e9 1b f6 ff RSP: 0018:ffffc900006a0be8 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817ae278 RDX: ffff888028ef4880 RSI: ffffffff817ae285 RDI: 0000000000000001 RBP: ffff888048dd0970 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff920000d418f R13: 0000000080000100 R14: ffff88802d453978 R15: 0000000000000001 FS: 000055556b406500(0000) GS:ffff8880d6815000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556b431648 CR3: 000000004add1000 CR4: 0000000000352ef0 DR0: 000003fffffffffe DR1: 0000000000000ddb DR2: 0000000000000006 DR3: 0000000000000006 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x19a/0x620 kernel/time/timer.c:1747 expire_timers kernel/time/timer.c:1793 [inline] __run_timers+0x569/0x960 kernel/time/timer.c:2372 __run_timer_base kernel/time/timer.c:2384 [inline] __run_timer_base kernel/time/timer.c:2376 [inline] run_timer_base+0x114/0x190 kernel/time/timer.c:2393 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2403 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:trace_lock_acquire include/trace/events/lock.h:24 [inline] RIP: 0010:lock_acquire+0x4e/0x350 kernel/locking/lockdep.c:5834 Code: 48 8b 05 0d 33 38 12 48 89 44 24 30 31 c0 66 90 65 8b 05 29 33 38 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 32 f8 10 0f <0f> 82 74 02 00 00 8b 35 1a 2a 11 0f 85 f6 0f 85 8d 00 00 00 48 8b RSP: 0018:ffffc9000652f788 EFLAGS: 00000297 RAX: 0000000000000001 RBX: ffffffff8e5c4940 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8e5c4940 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000013d52 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] class_rcu_constructor include/linux/rcupdate.h:1155 [inline] unwind_next_frame+0xd1/0x20a0 arch/x86/kernel/unwind_orc.c:479 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_record_aux_stack+0xa7/0xc0 mm/kasan/generic.c:548 __call_rcu_common.constprop.0+0xa5/0xa10 kernel/rcu/tree.c:3094 security_inode_free+0xa4/0x170 security/security.c:1735 __destroy_inode+0x201/0x730 fs/inode.c:371 destroy_inode+0x91/0x1b0 fs/inode.c:394 evict+0x5b4/0x920 fs/inode.c:834 iput_final fs/inode.c:1898 [inline] iput fs/inode.c:1924 [inline] iput+0x521/0x880 fs/inode.c:1910 d_delete_notify include/linux/fsnotify.h:402 [inline] vfs_rmdir fs/namei.c:4483 [inline] vfs_rmdir+0x487/0x690 fs/namei.c:4447 do_rmdir+0x2e8/0x3c0 fs/namei.c:4525 __do_sys_unlinkat fs/namei.c:4699 [inline] __se_sys_unlinkat fs/namei.c:4693 [inline] __x64_sys_unlinkat+0xef/0x130 fs/namei.c:4693 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa8f5f8df07 Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 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:00007fffedfc8548 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007fa8f5f8df07 RDX: 0000000000000200 RSI: 00007fffedfc96f0 RDI: 00000000ffffff9c RBP: 00007fa8f6010925 R08: 000055556b42966b R09: 0000000000000000 R10: 0000000000001000 R11: 0000000000000207 R12: 00007fffedfc96f0 R13: 00007fa8f6010925 R14: 0000000000022ba0 R15: 00007fffedfca7c0 ---------------- Code disassembly (best guess): 0: 48 8b 05 0d 33 38 12 mov 0x1238330d(%rip),%rax # 0x12383314 7: 48 89 44 24 30 mov %rax,0x30(%rsp) c: 31 c0 xor %eax,%eax e: 66 90 xchg %ax,%ax 10: 65 8b 05 29 33 38 12 mov %gs:0x12383329(%rip),%eax # 0x12383340 17: 83 f8 07 cmp $0x7,%eax 1a: 0f 87 bc 02 00 00 ja 0x2dc 20: 89 c0 mov %eax,%eax 22: 48 0f a3 05 32 f8 10 bt %rax,0xf10f832(%rip) # 0xf10f85c 29: 0f * 2a: 0f 82 74 02 00 00 jb 0x2a4 <-- trapping instruction 30: 8b 35 1a 2a 11 0f mov 0xf112a1a(%rip),%esi # 0xf112a50 36: 85 f6 test %esi,%esi 38: 0f 85 8d 00 00 00 jne 0xcb 3e: 48 rex.W 3f: 8b .byte 0x8b