Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.1:4809] Modules linked in: irq event stamp: 12836873 hardirqs last enabled at (12836872): [<ffffffff84000d02>] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (12836873): [<ffffffff83e5e28b>] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1094 softirqs last enabled at (12681550): [<ffffffff84001092>] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (12681553): [<ffffffff84001092>] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 4809 Comm: syz-executor.1 Not tainted 5.10.224 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 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 10 a4 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:ffff88806ce09a38 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffffff87a04180 RCX: ffffffff81279b37 RDX: fffffbfff0f40831 RSI: 0000000000000004 RDI: ffffffff87a04180 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff87a04183 R10: fffffbfff0f40830 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0f40830 R14: 0000000000000001 R15: 1ffff1100d9c1348 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe7d62a0514 CR3: 000000000d340000 CR4: 0000000000350ef0 Call Trace: <IRQ> 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:1584 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1648 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1665 __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:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:read_pnet include/net/net_namespace.h:337 [inline] RIP: 0010:sock_net include/net/sock.h:2636 [inline] RIP: 0010:netlink_broadcast_filtered+0x45/0xdc0 net/netlink/af_netlink.c:1505 Code: ec 78 44 89 44 24 40 4c 89 4c 24 50 e8 f4 63 11 fe 48 8d 7b 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 4e 0c 00 00 49 8b 46 30 8b 74 24 40 4c 89 e7 48 89 44 24 08 RSP: 0018:ffff888046b4f7e8 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff8880170cd000 RCX: 0000000000000001 RDX: 1ffff11002e19a06 RSI: ffffffff832f416c RDI: ffff8880170cd030 RBP: ffff8880170cd000 R08: 0000000000000cc0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888034709140 R13: 0000000000000000 R14: ffff8880170cd000 R15: 0000000000000001 netlink_broadcast+0x35/0x50 net/netlink/af_netlink.c:1554 uevent_net_broadcast_untagged lib/kobject_uevent.c:331 [inline] kobject_uevent_net_broadcast lib/kobject_uevent.c:409 [inline] kobject_uevent_env+0x93d/0xfd0 lib/kobject_uevent.c:608 device_del+0xa8f/0x1180 drivers/base/core.c:3203 rfkill_unregister+0xd1/0x240 net/rfkill/core.c:1087 hci_unregister_dev+0x244/0x460 net/bluetooth/hci_core.c:3871 vhci_release+0x70/0xf0 drivers/bluetooth/hci_vhci.c:345 __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:2759 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: 0033:0x7f0cb90beb19 Code: Unable to access opcode bytes at RIP 0x7f0cb90beaef. RSP: 002b:00007f0cb6634188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007f0cb91d1f60 RCX: 00007f0cb90beb19 RDX: 0000000020000140 RSI: 0000000000008914 RDI: 0000000000000004 RBP: 00007f0cb9118f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd6590e65f R14: 00007f0cb6634300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4801 Comm: syz-executor.0 Not tainted 5.10.224 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__lock_acquire+0x244/0x5b00 kernel/locking/lockdep.c:4889 Code: 0f b7 4c 24 18 49 8d 45 20 48 89 c2 48 89 44 24 38 66 81 e1 ff 1f 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 14 02 84 d2 <74> 09 80 fa 03 0f 8e 6c 13 00 00 41 0f b7 45 20 49 8d 7d 08 48 89 RSP: 0018:ffff88806cf09cc0 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: ffff8880465d3dc8 RCX: 0000000000000056 RDX: 0000000000000000 RSI: 1ffff11008cba7bd RDI: ffff8880465d3de8 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000005 R11: 0000000000000001 R12: ffff8880465d3480 R13: ffff8880465d3df0 R14: ffff88806cf2ea58 R15: 0000000000000000 FS: 00007fb26e09b700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564d6a276488 CR3: 000000001c938000 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_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x36/0x60 kernel/locking/spinlock.c:159 hrtimer_interrupt+0xcf/0x9b0 kernel/time/hrtimer.c:1691 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1083 [inline] __sysvec_apic_timer_interrupt+0xfb/0x310 arch/x86/kernel/apic/apic.c:1100 asm_call_irq_on_stack+0x12/0x20 </IRQ> __run_sysvec_on_irqstack arch/x86/include/asm/irq_stack.h:37 [inline] run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:89 [inline] sysvec_apic_timer_interrupt+0x7f/0xa0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 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 1a a4 3f fd 48 89 ef e8 e2 5d 40 fd f6 c7 02 75 10 53 9d <65> ff 0d c4 e0 1a 7c 5b 5d e9 3d b1 38 00 e8 38 85 5f fd eb e9 66 RSP: 0018:ffff8880485c7938 EFLAGS: 00000246 RAX: 0000000001934273 RBX: 0000000000000246 RCX: 1ffffffff0d15ac2 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83e78e88 RBP: ffffffff850a6640 R08: 0000000000000001 R09: ffffffff86868797 R10: fffffbfff0d0d0f2 R11: 0000000000000001 R12: 0000000000000dc0 R13: 0000000000000dc0 R14: 0000000000000000 R15: 0000000000000000 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_trace+0x16d/0x340 mm/slub.c:2946 kmalloc_node include/linux/slab.h:570 [inline] kzalloc_node include/linux/slab.h:675 [inline] create_io_worker+0xe8/0x690 io_uring/io-wq.c:816 io_wqe_create_worker io_uring/io-wq.c:313 [inline] io_wqe_enqueue+0x69e/0xbe0 io_uring/io-wq.c:948 io_queue_async_work+0x26b/0x4f0 io_uring/io_uring.c:1483 __io_queue_sqe+0x5cc/0x9d0 io_uring/io_uring.c:7092 io_queue_sqe io_uring/io_uring.c:7110 [inline] io_submit_sqe io_uring/io_uring.c:7287 [inline] io_submit_sqes+0x44aa/0x8610 io_uring/io_uring.c:7393 __do_sys_io_uring_enter+0x6b5/0x18c0 io_uring/io_uring.c:9920 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fb270b25b19 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:00007fb26e09b188 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa RAX: ffffffffffffffda RBX: 00007fb270c38f60 RCX: 00007fb270b25b19 RDX: 0000000000000000 RSI: 00000000000058ab RDI: 0000000000000003 RBP: 00007fb270b7ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcd60bd8ef R14: 00007fb26e09b300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 65 48 add %ah,0x48(%rbp) 5: 2b 04 25 28 00 00 00 sub 0x28,%eax c: 0f 85 09 07 00 00 jne 0x71b 12: 48 81 c4 88 00 00 00 add $0x88,%rsp 19: 5b pop %rbx 1a: 5d pop %rbp 1b: 41 5c pop %r12 1d: 41 5d pop %r13 1f: 41 5e pop %r14 21: 41 5f pop %r15 23: e9 10 a4 f8 02 jmpq 0x2f8a438 28: f3 90 pause * 2a: e9 73 ff ff ff jmpq 0xffffffa2 <-- trapping instruction 2f: 44 8b 74 24 48 mov 0x48(%rsp),%r14d 34: 41 81 fe 00 01 00 00 cmp $0x100,%r14d 3b: 0f .byte 0xf 3c: 84 e1 test %ah,%cl