------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci1 WARNING: CPU: 0 PID: 8529 at kernel/workqueue.c:2257 __queue_work+0xc9c/0x10f0 kernel/workqueue.c:2256 Modules linked in: CPU: 0 UID: 0 PID: 8529 Comm: dhcpcd-run-hook Not tainted 6.16.0-rc5-syzkaller #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 a0 fd ab 8b e8 45 44 f7 ff 90 <0f> 0b 90 90 e9 96 f7 ff ff e8 d6 f7 37 00 90 0f 0b 90 e9 1b f6 ff RSP: 0018:ffffc90000007be8 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817aa128 RDX: ffff888028e60000 RSI: ffffffff817aa135 RDI: 0000000000000001 RBP: ffff88804be5c970 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff92000000f8f R13: 0000000080000100 R14: ffff8880208bf178 R15: 0000000000000001 FS: 00007ff137300c80(0000) GS:ffff888097523000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560f536493b8 CR3: 0000000029d77000 CR4: 0000000000352ef0 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+0x216/0x8e0 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:get_current arch/x86/include/asm/current.h:25 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 kernel/kcov.c:216 Code: e9 9d de 5a 00 be 03 00 00 00 5b e9 32 72 1d 03 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 34 24 <65> 48 8b 15 d8 7c 14 12 65 8b 05 e9 7c 14 12 a9 00 01 ff 00 74 1d RSP: 0018:ffffc90003887df8 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81f0f764 RDX: ffff888028e60000 RSI: ffffffff81f0f8b6 RDI: 0000000000000001 RBP: ffffc90003887ef8 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888028e60000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888028e61570 trace_rseq_update include/trace/events/rseq.h:11 [inline] rseq_update_cpu_node_id kernel/rseq.c:188 [inline] __rseq_handle_notify_resume+0x7c6/0x10e0 kernel/rseq.c:442 rseq_handle_notify_resume include/linux/rseq.h:38 [inline] resume_user_mode_work include/linux/resume_user_mode.h:62 [inline] exit_to_user_mode_loop+0xcb/0x110 kernel/entry/common.c:114 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline] do_syscall_64+0x3f6/0x490 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff137450407 Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff RSP: 002b:00007ffc364a15f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 RAX: 00000000000003ff RBX: 00007ff137300c80 RCX: 00007ff137450407 RDX: 00000000000003ff RSI: 0000560f53644500 RDI: 000000000000000a RBP: 0000560f53644500 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000003ff R13: 00007ff137300c08 R14: 00007ffc364a1801 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: e9 9d de 5a 00 jmp 0x5adea2 5: be 03 00 00 00 mov $0x3,%esi a: 5b pop %rbx b: e9 32 72 1d 03 jmp 0x31d7242 10: 66 90 xchg %ax,%ax 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: f3 0f 1e fa endbr64 26: 48 8b 34 24 mov (%rsp),%rsi * 2a: 65 48 8b 15 d8 7c 14 mov %gs:0x12147cd8(%rip),%rdx # 0x12147d0a <-- trapping instruction 31: 12 32: 65 8b 05 e9 7c 14 12 mov %gs:0x12147ce9(%rip),%eax # 0x12147d22 39: a9 00 01 ff 00 test $0xff0100,%eax 3e: 74 1d je 0x5d