Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.0:4815] Modules linked in: irq event stamp: 4446291 hardirqs last enabled at (4446290): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (4446291): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1106 softirqs last enabled at (4445584): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (4445587): [] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 4815 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:__preempt_count_sub arch/x86/include/asm/preempt.h:84 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x25/0x40 kernel/locking/spinlock.c:191 Code: 38 00 0f 1f 00 55 48 89 fd 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 7a 66 3f fd 48 89 ef e8 d2 20 40 fd f6 c7 02 75 10 53 9d <65> ff 0d e4 89 1a 7c 5b 5d e9 5d 5a 38 00 e8 88 46 5f fd eb e9 66 RSP: 0018:ffff88806ce09eb8 EFLAGS: 00000246 RAX: 000000000043d818 RBX: 0000000000000246 RCX: 1ffffffff0ace879 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83e7e568 RBP: ffff88801feb94c8 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88801feb94c8 R14: ffff88801feb9508 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7f18c48344 CR3: 0000000046996000 CR4: 0000000000350ef0 Call Trace: spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] skb_dequeue+0x125/0x180 net/core/skbuff.c:3074 ieee80211_tasklet_handler+0x37/0x130 net/mac80211/main.c:228 tasklet_action_common.constprop.0+0x244/0x2f0 kernel/softirq.c:560 __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 include/linux/lockdep.h:282 [inline] RIP: 0010:schedule_debug kernel/sched/core.c:4315 [inline] RIP: 0010:__schedule+0xf86/0x1ea0 kernel/sched/core.c:4440 Code: ff 48 c7 c2 e0 4f 46 84 be 76 01 00 00 48 c7 c7 a0 4d 46 84 c6 05 07 4b 7e 01 01 e8 43 7e f2 ff e9 c0 f1 ff ff be ff ff ff ff <48> c7 c7 a0 98 ff 84 e8 ee 63 ff ff 85 c0 0f 84 c1 f1 ff ff e8 31 RSP: 0018:ffff88804a4e7668 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff84ff9900 RBP: ffff88804a4e7738 R08: 0000000000000000 R09: ffff888036aa4ea3 R10: 00007f16cd917000 R11: 0000000000000001 R12: ffff88806ce3b2c0 R13: ffff888047723480 R14: 000000000003b2c0 R15: 00007f16cd9fe000 preempt_schedule_common kernel/sched/core.c:4704 [inline] _cond_resched+0x49/0x80 kernel/sched/core.c:6127 zap_pte_range mm/memory.c:1359 [inline] zap_pmd_range mm/memory.c:1404 [inline] zap_pud_range mm/memory.c:1433 [inline] zap_p4d_range mm/memory.c:1454 [inline] unmap_page_range+0x12ca/0x1fe0 mm/memory.c:1475 unmap_single_vma+0x198/0x300 mm/memory.c:1520 unmap_vmas+0x16d/0x300 mm/memory.c:1552 exit_mmap+0x27f/0x4f0 mm/mmap.c:3235 __mmput kernel/fork.c:1101 [inline] mmput+0xca/0x340 kernel/fork.c:1122 exit_mm kernel/exit.c:536 [inline] do_exit+0xa96/0x2600 kernel/exit.c:847 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: 0033:0x7f16cfa86b19 Code: Unable to access opcode bytes at RIP 0x7f16cfa86aef. RSP: 002b:00007f16ccffc188 EFLAGS: 00000246 ORIG_RAX: 00000000000000de RAX: 0000000000000000 RBX: 00007f16cfb99f60 RCX: 00007f16cfa86b19 RDX: 0000000020000040 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f16cfae0f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff5c95487f R14: 00007f16ccffc300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4804 Comm: syz-executor.5 Not tainted 5.10.230 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:kernel_text_address+0x1/0x120 kernel/extable.c:121 Code: 85 e8 43 dd 50 00 eb c6 90 31 c0 48 81 ff 00 00 e0 84 72 0c 31 c0 48 81 ff 00 0b 68 85 0f 92 c0 e9 94 68 04 03 0f 1f 40 00 55 <48> 89 fd 48 83 ec 08 48 81 ff 00 00 00 81 72 09 48 81 ff 82 40 20 RSP: 0018:ffff88806cf09670 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffffffff811537a6 RCX: 1ffff1100d9e1201 RDX: 1ffff1100d9e12de RSI: ffff888047877b38 RDI: ffffffff811537a6 RBP: ffff88806cf096f0 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000032042 R11: 1ffff1100d9e12c2 R12: ffff88806cf09760 R13: 0000000000000000 R14: ffff888049f51a40 R15: 0000000000000170 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7af07bc7b0 CR3: 000000000df3e000 CR4: 0000000000350ee0 Call Trace: __kernel_text_address+0x9/0x40 kernel/extable.c:105 unwind_get_return_address arch/x86/kernel/unwind_orc.c:323 [inline] unwind_get_return_address+0x55/0xa0 arch/x86/kernel/unwind_orc.c:318 arch_stack_walk+0x99/0xf0 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48 kasan_set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc.constprop.0+0xc9/0xd0 mm/kasan/common.c:461 slab_post_alloc_hook mm/slab.h:532 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x13b/0x310 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 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] kmem_cache_alloc_node+0x169/0x330 mm/slub.c:2932 __alloc_skb+0x6d/0x5b0 net/core/skbuff.c:199 __netdev_alloc_skb+0x6e/0x360 net/core/skbuff.c:447 netdev_alloc_skb include/linux/skbuff.h:2854 [inline] dev_alloc_skb include/linux/skbuff.h:2867 [inline] __ieee80211_beacon_get+0x3af/0x1440 net/mac80211/tx.c:4876 ieee80211_beacon_get_tim+0x88/0x9f0 net/mac80211/tx.c:4990 ieee80211_beacon_get include/net/mac80211.h:4912 [inline] mac80211_hwsim_beacon_tx+0x111/0x940 drivers/net/wireless/mac80211_hwsim.c:1740 __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:debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline] RIP: 0010:do_raw_spin_lock+0x5e/0x260 kernel/locking/spinlock_debug.c:112 Code: 48 c1 ed 03 48 c7 44 24 18 40 02 28 81 48 8d 54 05 00 c7 02 f1 f1 f1 f1 c7 42 04 04 f3 f3 f3 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 65 48 8b 0c 25 28 00 00 00 48 89 4c 24 60 31 c9 83 e0 07 RSP: 0018:ffff8880478776c8 EFLAGS: 00000217 RAX: dffffc0000000000 RBX: ffff88801c8e1360 RCX: 0000000000000204 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88801c8e1364 RBP: 1ffff11008f0eeda R08: 0000000000000000 R09: ffffffff8686a6e7 R10: 0000000000000246 R11: 0000000000000001 R12: 000ffffffffff000 R13: ffff888048e88ed0 R14: dffffc0000000000 R15: 0000000000000000 spin_lock include/linux/spinlock.h:354 [inline] zap_pte_range mm/memory.c:1245 [inline] zap_pmd_range mm/memory.c:1404 [inline] zap_pud_range mm/memory.c:1433 [inline] zap_p4d_range mm/memory.c:1454 [inline] unmap_page_range+0x95d/0x1fe0 mm/memory.c:1475 unmap_single_vma+0x198/0x300 mm/memory.c:1520 unmap_vmas+0x16d/0x300 mm/memory.c:1552 exit_mmap+0x27f/0x4f0 mm/mmap.c:3235 __mmput kernel/fork.c:1101 [inline] mmput+0xca/0x340 kernel/fork.c:1122 exit_mm kernel/exit.c:536 [inline] do_exit+0xa96/0x2600 kernel/exit.c:847 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: 0033:0x7f3b9735ab19 Code: Unable to access opcode bytes at RIP 0x7f3b9735aaef. RSP: 002b:00007f3b948d0188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: 0000000000000007 RBX: 00007f3b9746df60 RCX: 00007f3b9735ab19 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020001d80 RBP: 00007f3b973b4f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff1e4203ef R14: 00007f3b948d0300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 38 00 cmp %al,(%rax) 2: 0f 1f 00 nopl (%rax) 5: 55 push %rbp 6: 48 89 fd mov %rdi,%rbp 9: 48 83 c7 18 add $0x18,%rdi d: 53 push %rbx e: 48 89 f3 mov %rsi,%rbx 11: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 16: e8 7a 66 3f fd callq 0xfd3f6695 1b: 48 89 ef mov %rbp,%rdi 1e: e8 d2 20 40 fd callq 0xfd4020f5 23: f6 c7 02 test $0x2,%bh 26: 75 10 jne 0x38 28: 53 push %rbx 29: 9d popfq * 2a: 65 ff 0d e4 89 1a 7c decl %gs:0x7c1a89e4(%rip) # 0x7c1a8a15 <-- trapping instruction 31: 5b pop %rbx 32: 5d pop %rbp 33: e9 5d 5a 38 00 jmpq 0x385a95 38: e8 88 46 5f fd callq 0xfd5f46c5 3d: eb e9 jmp 0x28 3f: 66 data16