Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.0:4739] Modules linked in: irq event stamp: 4935785 hardirqs last enabled at (4935784): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (4935785): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1106 softirqs last enabled at (4854130): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (4854133): [] asm_call_irq_on_stack+0x12/0x20 CPU: 1 PID: 4739 Comm: syz-executor.0 Not tainted 5.10.230 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mac80211_hwsim_monitor_rx+0x1ac/0x810 drivers/net/wireless/mac80211_hwsim.c:962 Code: 8d 5e 40 48 89 df e8 43 48 a3 fe 48 89 d9 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 0f 85 b2 05 00 00 49 8b 5e 40 <31> ff 83 e3 01 89 de e8 58 71 77 fe 84 db 75 13 48 83 c4 10 5b 5d RSP: 0018:ffff88806cf09cb0 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000002 RCX: 1ffff110011cd808 RDX: ffffed10011cd809 RSI: 0000000000000008 RDI: ffff888008e6c040 RBP: ffff88801b262b40 R08: 0000000000000000 R09: ffff888008e6c047 R10: ffffed10011cd808 R11: 0000000000000001 R12: ffff888048174e30 R13: 000000000000000a R14: ffff888008e6c000 R15: ffff8880481731c0 FS: 00007f2873a55700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d224000 CR3: 0000000047d1e000 CR4: 0000000000350ee0 Call Trace: Bluetooth: hci7: command 0x0406 tx timeout mac80211_hwsim_tx_frame+0xd2/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1711 mac80211_hwsim_beacon_tx+0x494/0x940 drivers/net/wireless/mac80211_hwsim.c:1770 __iterate_interfaces+0x1f0/0x550 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x71/0x1c0 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1586 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1650 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1667 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:lock_is_held_type+0xd2/0x110 kernel/locking/lockdep.c:5610 Code: 31 c0 41 f6 47 22 03 0f 95 c0 45 31 c0 44 39 f0 41 0f 94 c0 b8 ff ff ff ff 65 0f c1 05 67 3d 1c 7c 83 f8 01 75 27 ff 34 24 9d <48> 83 c4 08 44 89 c0 5b 5d 41 5c 41 5d 41 5e 41 5f e9 68 fd 39 00 RSP: 0018:ffff888048e17660 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 0000000000000006 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff84ff98a0 RDI: ffff88801ce558d0 RBP: ffffffff84ff98a0 R08: 0000000000000000 R09: ffffffff85092203 R10: fffffbfff0a12440 R11: 0000000000000001 R12: ffff88801ce54ec0 R13: ffff88801ce55808 R14: 00000000ffffffff R15: ffff88801ce558d0 lock_is_held include/linux/lockdep.h:282 [inline] schedule_debug kernel/sched/core.c:4315 [inline] __schedule+0xf92/0x1ea0 kernel/sched/core.c:4440 preempt_schedule_common kernel/sched/core.c:4704 [inline] __cond_resched_lock+0xa7/0x100 kernel/sched/core.c:6154 __purge_vmap_area_lazy+0x7d8/0x1b00 mm/vmalloc.c:1377 _vm_unmap_aliases.part.0+0x431/0x520 mm/vmalloc.c:1768 _vm_unmap_aliases mm/vmalloc.c:1742 [inline] vm_unmap_aliases+0x47/0x50 mm/vmalloc.c:1791 change_page_attr_set_clr+0x241/0x500 arch/x86/mm/pat/set_memory.c:1732 change_page_attr_clear arch/x86/mm/pat/set_memory.c:1789 [inline] set_memory_ro+0x78/0xa0 arch/x86/mm/pat/set_memory.c:1935 alloc_insn_page+0x69/0x90 arch/x86/kernel/kprobes/core.c:411 __get_insn_slot+0x46b/0x940 kernel/kprobes.c:181 get_insn_slot include/linux/kprobes.h:309 [inline] arch_prepare_kprobe+0xb2/0x1c0 arch/x86/kernel/kprobes/core.c:739 prepare_kprobe kernel/kprobes.c:1114 [inline] register_kprobe kernel/kprobes.c:1733 [inline] register_kprobe+0xa43/0x1430 kernel/kprobes.c:1695 __register_trace_kprobe kernel/trace/trace_kprobe.c:514 [inline] __register_trace_kprobe+0x26a/0x2d0 kernel/trace/trace_kprobe.c:482 create_local_trace_kprobe+0x2bb/0x4c0 kernel/trace/trace_kprobe.c:1917 perf_kprobe_init+0x18c/0x280 kernel/trace/trace_event_perf.c:272 perf_kprobe_event_init+0xf8/0x1c0 kernel/events/core.c:9768 perf_try_init_event+0x130/0x570 kernel/events/core.c:11164 perf_init_event kernel/events/core.c:11216 [inline] perf_event_alloc.part.0+0xd96/0x2b70 kernel/events/core.c:11494 perf_event_alloc kernel/events/core.c:11890 [inline] __do_sys_perf_event_open+0x579/0x2e60 kernel/events/core.c:11988 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f28764dfb19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2873a55188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f28765f2f60 RCX: 00007f28764dfb19 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020001d80 RBP: 00007f2876539f6d R08: 0000000000000002 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc3e1a074f R14: 00007f2873a55300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline] NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline] NMI backtrace for cpu 0 skipped: idling at default_idle+0xe/0x20 arch/x86/kernel/process.c:706 Bluetooth: hci5: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: 8d 5e 40 lea 0x40(%rsi),%ebx 3: 48 89 df mov %rbx,%rdi 6: e8 43 48 a3 fe callq 0xfea3484e b: 48 89 d9 mov %rbx,%rcx e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 15: fc ff df 18: 48 c1 e9 03 shr $0x3,%rcx 1c: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 20: 0f 85 b2 05 00 00 jne 0x5d8 26: 49 8b 5e 40 mov 0x40(%r14),%rbx * 2a: 31 ff xor %edi,%edi <-- trapping instruction 2c: 83 e3 01 and $0x1,%ebx 2f: 89 de mov %ebx,%esi 31: e8 58 71 77 fe callq 0xfe77718e 36: 84 db test %bl,%bl 38: 75 13 jne 0x4d 3a: 48 83 c4 10 add $0x10,%rsp 3e: 5b pop %rbx 3f: 5d pop %rbp