Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.7:3936] Modules linked in: irq event stamp: 20288335 hardirqs last enabled at (20288334): [<ffffffff84000d02>] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (20288335): [<ffffffff83e657fb>] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1106 softirqs last enabled at (20278340): [<ffffffff84001092>] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (20278343): [<ffffffff84001092>] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 3936 Comm: syz-executor.7 Not tainted 5.10.234 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lockdep_init_map_type+0x223/0x780 kernel/locking/lockdep.c:4723 Code: 5d 41 5c 41 5d 41 5e e9 1b d3 f8 02 48 85 f6 0f 84 4f 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7d 18 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 bb 04 00 00 48 8d 7d 20 48 89 75 18 48 b8 00 00 RSP: 0018:ffff88806ce09a00 EFLAGS: 00000212 RAX: dffffc0000000000 RBX: ffffffff86bf99e0 RCX: 0000000000000000 RDX: 1ffff11001d1f9ec RSI: ffffffff844e4e40 RDI: ffff88800e8fcf60 RBP: ffff88800e8fcf48 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffffffff86c16220 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88804a393000 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564595c021c0 CR3: 000000000fe3e000 CR4: 0000000000350ef0 Call Trace: <IRQ> lockdep_init_map_waits include/linux/lockdep.h:195 [inline] lockdep_init_map_wait include/linux/lockdep.h:202 [inline] __raw_spin_lock_init+0x36/0x110 kernel/locking/spinlock_debug.c:24 create_object.isra.0+0x11a/0xa20 mm/kmemleak.c:588 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] __kmalloc_node_track_caller+0x1a6/0x3b0 mm/slub.c:4496 __kmalloc_reserve net/core/skbuff.c:144 [inline] __alloc_skb+0xb1/0x5b0 net/core/skbuff.c:212 skb_copy+0x183/0x350 net/core/skbuff.c:1530 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb1d/0x13d0 drivers/net/wireless/mac80211_hwsim.c:1499 mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1716 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 </IRQ> __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:constant_test_bit arch/x86/include/asm/bitops.h:207 [inline] RIP: 0010:test_bit include/asm-generic/bitops/instrumented-non-atomic.h:135 [inline] RIP: 0010:PageHead include/linux/page-flags.h:571 [inline] RIP: 0010:__free_pages+0x2b/0x120 mm/page_alloc.c:5060 Code: 55 41 89 f5 be 08 00 00 00 41 54 55 48 89 fd 53 e8 0a 1a 06 00 48 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 <0f> 85 e1 00 00 00 4c 8d 65 34 be 04 00 00 00 48 8b 5d 00 4c 89 e7 RSP: 0018:ffff88804a5279b0 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 000000000000011c RCX: ffffffff81667006 RDX: 1ffffd40001f5400 RSI: 0000000000000008 RDI: ffffea0000faa000 RBP: ffffea0000faa000 R08: 0000000000000000 R09: ffffea0000faa007 R10: fffff940001f5400 R11: 0000000000000001 R12: dffffc0000000000 R13: 0000000000000000 R14: ffffed1001ad7655 R15: ffffea0000faa000 __vunmap+0x70b/0xad0 mm/vmalloc.c:2270 __vfree mm/vmalloc.c:2319 [inline] vfree+0x90/0x150 mm/vmalloc.c:2350 kcov_put kernel/kcov.c:408 [inline] kcov_put+0x2a/0x40 kernel/kcov.c:404 kcov_close+0xc/0x20 kernel/kcov.c:510 __fput+0x285/0x9f0 fs/file_table.c:281 task_work_run+0xe2/0x1a0 kernel/task_work.c:185 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0xb6f/0x2600 kernel/exit.c:860 do_group_exit+0x125/0x310 kernel/exit.c:982 get_signal+0x4bc/0x2350 kernel/signal.c:2762 arch_do_signal_or_restart+0x2b7/0x1990 arch/x86/kernel/signal.c:805 handle_signal_work kernel/entry/common.c:145 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x10f/0x190 kernel/entry/common.c:199 syscall_exit_to_user_mode+0x38/0x1d0 kernel/entry/common.c:274 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fc6fd4b7b19 Code: Unable to access opcode bytes at RIP 0x7fc6fd4b7aef. RSP: 002b:00007fc6faa2d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: 0000000000000004 RBX: 00007fc6fd5caf60 RCX: 00007fc6fd4b7b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fc6fd511f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff3face1df R14: 00007fc6faa2d300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.10.234 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:hlock_class kernel/locking/lockdep.c:191 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4629 [inline] RIP: 0010:__lock_acquire+0x428/0x5b00 kernel/locking/lockdep.c:4905 Code: 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 06 0f 8e 96 11 00 00 48 8b 54 24 38 44 0f b6 b5 b8 00 00 00 <48> b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 84 c0 74 08 RSP: 0018:ffff88806cf09470 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffff888008978948 RCX: ffffffff8126e347 RDX: ffff8880089789b8 RSI: 0000000000000008 RDI: ffffffff8686ed78 RBP: ffffffff8686ecc0 R08: 0000000000000000 R09: ffffffff8686c6e7 R10: fffffbfff0d0d8dc R11: 0000000000000001 R12: ffff888008978000 R13: ffff888008978998 R14: 0000000000000002 R15: 0000000000046000 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc3abda47b0 CR3: 000000000fe3e000 CR4: 0000000000350ee0 Call Trace: <NMI> </NMI> <IRQ> lock_acquire kernel/locking/lockdep.c:5566 [inline] lock_acquire+0x197/0x470 kernel/locking/lockdep.c:5531 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x27/0x40 kernel/locking/spinlock.c:151 rq_lock kernel/sched/sched.h:1296 [inline] scheduler_tick+0x98/0x330 kernel/sched/core.c:4013 update_process_times+0x15d/0x1b0 kernel/time/timer.c:1747 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:222 tick_sched_timer+0xe6/0x110 kernel/time/tick-sched.c:1384 __run_hrtimer kernel/time/hrtimer.c:1586 [inline] __hrtimer_run_queues+0x1ca/0xb40 kernel/time/hrtimer.c:1650 hrtimer_interrupt+0x2fd/0x9b0 kernel/time/hrtimer.c:1712 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline] __sysvec_apic_timer_interrupt+0xfb/0x310 arch/x86/kernel/apic/apic.c:1112 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline] sysvec_apic_timer_interrupt+0x3e/0xa0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:cpu_relax arch/x86/include/asm/vdso/processor.h:19 [inline] RIP: 0010:virt_spin_lock arch/x86/include/asm/qspinlock.h:100 [inline] RIP: 0010:queued_spin_lock_slowpath+0x122/0x8c0 kernel/locking/qspinlock.c:326 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 09 07 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 e0 8f f8 02 f3 90 <e9> 73 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e1 00 00 RSP: 0018:ffff88806cf09a38 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffffff87a08080 RCX: ffffffff8127af67 RDX: fffffbfff0f41011 RSI: 0000000000000004 RDI: ffffffff87a08080 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff87a08083 R10: fffffbfff0f41010 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0f41010 R14: 0000000000000001 R15: 1ffff1100d9e1348 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x1dc/0x260 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:354 [inline] mac80211_hwsim_tx_frame_no_nl.isra.0+0x695/0x13d0 drivers/net/wireless/mac80211_hwsim.c:1450 mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1716 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 </IRQ> __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:default_idle+0xe/0x20 arch/x86/kernel/process.c:707 Code: 4e ff ff ff 4c 89 e7 e8 80 c6 84 fd eb 8f 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 e9 07 00 00 00 0f 00 2d c4 55 5a 00 fb f4 <e9> fd 55 38 00 cc cc cc cc cc cc cc cc cc cc cc cc cc 41 55 41 54 RSP: 0018:ffff888008987e70 EFLAGS: 00000206 RAX: ffffffff83e7e9b0 RBX: 0000000000000001 RCX: ffffffff83e6658c RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83e7efb8 RBP: 0000000000000001 R08: 0000000000000001 R09: ffff88806cf3c12b R10: ffffed100d9e7825 R11: 0000000000000001 R12: 0000000000000001 R13: ffffffff85678508 R14: 0000000000000000 R15: dffffc0000000000 default_idle_call+0xbf/0x2c0 kernel/sched/idle.c:112 cpuidle_idle_call kernel/sched/idle.c:194 [inline] do_idle+0x3b3/0x520 kernel/sched/idle.c:306 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:402 secondary_startup_64_no_verify+0xbe/0xcb ---------------- Code disassembly (best guess): 0: 5d pop %rbp 1: 41 5c pop %r12 3: 41 5d pop %r13 5: 41 5e pop %r14 7: e9 1b d3 f8 02 jmpq 0x2f8d327 c: 48 85 f6 test %rsi,%rsi f: 0f 84 4f 02 00 00 je 0x264 15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1c: fc ff df 1f: 48 8d 7d 18 lea 0x18(%rbp),%rdi 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 bb 04 00 00 jne 0x4ef 34: 48 8d 7d 20 lea 0x20(%rbp),%rdi 38: 48 89 75 18 mov %rsi,0x18(%rbp) 3c: 48 rex.W 3d: b8 .byte 0xb8