------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci0 WARNING: CPU: 2 PID: 6661 at kernel/workqueue.c:2257 __queue_work+0xc9c/0x10f0 kernel/workqueue.c:2256 Modules linked in: CPU: 2 UID: 0 PID: 6661 Comm: syz.3.246 Not tainted 6.16.0-rc3-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 e0 fe ab 8b e8 f5 16 f7 ff 90 <0f> 0b 90 90 e9 96 f7 ff ff e8 d6 53 38 00 90 0f 0b 90 e9 1b f6 ff RSP: 0018:ffffc90000648be8 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817ae248 RDX: ffff88802b484880 RSI: ffffffff817ae255 RDI: 0000000000000001 RBP: ffff888039868930 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff920000c918f R13: 0000000000000100 R14: ffff888034742178 R15: 0000000000000001 FS: 00007ff0517606c0(0000) GS:ffff8880d6953000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000004d38 CR3: 000000003439c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000004144 DR3: 0000000000000000 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+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 ed d3 5b 00 be 03 00 00 00 5b e9 22 05 20 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 68 b2 10 12 65 8b 05 79 b2 10 12 a9 00 01 ff 00 74 1d RSP: 0018:ffffc900064df428 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffc90006cf30f8 RCX: ffffffff81d64318 RDX: ffff88802b484880 RSI: ffffffff81d645af RDI: 0000000000000007 RBP: ffffc900064df5a0 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000070 R11: 0000000000000000 R12: 0000000000000070 R13: 0000000000000076 R14: 0000000000000000 R15: ffff888035abda00 __is_pointer_value kernel/bpf/verifier.c:4895 [inline] check_cond_jmp_op+0x5f3f/0x7240 kernel/bpf/verifier.c:16487 do_check kernel/bpf/verifier.c:19701 [inline] do_check_common+0x81b8/0xc0e0 kernel/bpf/verifier.c:22808 do_check_main kernel/bpf/verifier.c:22899 [inline] bpf_check+0x83f0/0xbc50 kernel/bpf/verifier.c:24065 bpf_prog_load+0xe41/0x2490 kernel/bpf/syscall.c:2972 __sys_bpf+0x433c/0x4d80 kernel/bpf/syscall.c:5836 __do_sys_bpf kernel/bpf/syscall.c:5943 [inline] __se_sys_bpf kernel/bpf/syscall.c:5941 [inline] __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:5941 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: 0033:0x7ff05098e929 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:00007ff051760038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ff050bb5fa0 RCX: 00007ff05098e929 RDX: 0000000000000094 RSI: 0000200000000700 RDI: 0000000000000005 RBP: 00007ff050a10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ff050bb5fa0 R15: 00007fff991e3b28 ---------------- Code disassembly (best guess): 0: e9 ed d3 5b 00 jmp 0x5bd3f2 5: be 03 00 00 00 mov $0x3,%esi a: 5b pop %rbx b: e9 22 05 20 03 jmp 0x3200532 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 68 b2 10 mov %gs:0x1210b268(%rip),%rdx # 0x1210b29a <-- trapping instruction 31: 12 32: 65 8b 05 79 b2 10 12 mov %gs:0x1210b279(%rip),%eax # 0x1210b2b2 39: a9 00 01 ff 00 test $0xff0100,%eax 3e: 74 1d je 0x5d