Bluetooth: hci2: Opcode 0x c03 failed: -110 Bluetooth: hci3: Opcode 0x c03 failed: -110 watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.1:4182] Modules linked in: irq event stamp: 8875549 hardirqs last enabled at (8875548): [] asm_sysvec_apic_timer_interrupt+0x16/0x20 hardirqs last disabled at (8875549): [] sysvec_apic_timer_interrupt+0xb/0xc0 softirqs last enabled at (8783580): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (8783583): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 4182 Comm: syz-executor.1 Not tainted 5.19.0-rc6-next-20220715 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:preempt_count_add+0x4a/0x150 Code: c0 03 0f b6 14 11 38 d0 7c 08 84 d2 0f 85 e9 00 00 00 8b 15 58 10 c2 05 65 01 1d 11 58 e2 7e 85 d2 75 11 65 8b 05 06 58 e2 7e <0f> b6 c0 3d f4 00 00 00 7f 6c 65 8b 05 f5 57 e2 7e 25 ff ff ff 7f RSP: 0018:ffff88806cf09660 EFLAGS: 00000246 RAX: 0000000000000101 RBX: 0000000000000001 RCX: 1ffffffff0dc44d8 RDX: 0000000000000000 RSI: ffffffff8133b4b1 RDI: 0000000000000001 RBP: ffff88806cf09750 R08: ffffffff85c078ce R09: ffffffff85c078d2 R10: ffff88806cf09ff8 R11: ffff88806cf09738 R12: ffff88806cf097c0 R13: 0000000000000000 R14: ffff88806cf096f8 R15: 0000000000092820 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561fbcdec9c0 CR3: 000000000d1ea000 CR4: 0000000000350ee0 Call Trace: unwind_next_frame+0xac/0x20b0 arch_stack_walk+0x83/0xf0 stack_trace_save+0x8c/0xc0 kasan_save_stack+0x1e/0x40 __kasan_slab_alloc+0x66/0x80 kmem_cache_alloc+0x1b1/0x4a0 __create_object.isra.0+0x3d/0xc10 __kmalloc_node_track_caller+0x284/0x480 __alloc_skb+0xdd/0x300 __netdev_alloc_skb+0x72/0x3e0 __ieee80211_beacon_get+0x387/0x12d0 ieee80211_beacon_get_tim+0x95/0x4e0 mac80211_hwsim_beacon_tx+0x1a7/0xa10 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x70/0x180 mac80211_hwsim_beacon+0x101/0x200 __hrtimer_run_queues+0x5de/0xbd0 hrtimer_run_softirq+0x172/0x340 __do_softirq+0x1c8/0x8d0 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:call_rcu+0x58e/0xa30 Code: 3c 02 00 0f 85 cc 03 00 00 48 8b 05 3c 13 ef 03 48 03 85 18 01 00 00 49 39 c5 0f 8f d6 01 00 00 e8 77 8e 1a 00 fb 48 83 c4 18 <5b> 5d 41 5c 41 5d 41 5e 41 5f e9 53 53 0e 03 e8 4e 8d 1a 00 e9 d4 RSP: 0018:ffff8880462a7408 EFLAGS: 00000282 RAX: 00000000007d6c25 RBX: ffff888043eea230 RCX: ffffffff8129463f RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff88806cf38a80 R08: 0000000000000001 R09: ffffffff86a957cf R10: fffffbfff0d52af9 R11: 0000000000000001 R12: ffff88806cf38b98 R13: 00000000000003bc R14: ffff88806cf38b68 R15: ffff88806cf38b20 kmem_cache_free+0xc1/0x610 kernfs_put.part.0+0x2c7/0x540 kernfs_put+0x42/0x50 __kernfs_remove+0x7d4/0xb30 kernfs_remove_by_name_ns+0xa8/0x110 remove_files+0x96/0x1c0 sysfs_remove_group+0x87/0x170 sysfs_remove_groups+0x5c/0xa0 device_remove_attrs+0x192/0x290 device_del+0x4ed/0xfd0 unregister_netdevice_many+0xc8b/0x15d0 unregister_netdevice_queue+0x201/0x2c0 __tun_detach+0x1001/0x12f0 tun_chr_close+0xc4/0x190 __fput+0x272/0x9d0 task_work_run+0xe2/0x1a0 do_exit+0xad3/0x27a0 do_group_exit+0xd2/0x2f0 get_signal+0x2205/0x24b0 arch_do_signal_or_restart+0x89/0x1be0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x19/0x40 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fee0765db19 Code: Unable to access opcode bytes at RIP 0x7fee0765daef. RSP: 002b:00007fee04bd3188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce RAX: 0000000000000000 RBX: 00007fee07770f60 RCX: 00007fee0765db19 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000009 RBP: 00007fee076b7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc3d14a63f R14: 00007fee04bd3300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10 ---------------- Code disassembly (best guess): 0: c0 03 0f rolb $0xf,(%rbx) 3: b6 14 mov $0x14,%dh 5: 11 38 adc %edi,(%rax) 7: d0 7c 08 84 sarb -0x7c(%rax,%rcx,1) b: d2 0f rorb %cl,(%rdi) d: 85 e9 test %ebp,%ecx f: 00 00 add %al,(%rax) 11: 00 8b 15 58 10 c2 add %cl,-0x3defa7eb(%rbx) 17: 05 65 01 1d 11 add $0x111d0165,%eax 1c: 58 pop %rax 1d: e2 7e loop 0x9d 1f: 85 d2 test %edx,%edx 21: 75 11 jne 0x34 23: 65 8b 05 06 58 e2 7e mov %gs:0x7ee25806(%rip),%eax # 0x7ee25830 * 2a: 0f b6 c0 movzbl %al,%eax <-- trapping instruction 2d: 3d f4 00 00 00 cmp $0xf4,%eax 32: 7f 6c jg 0xa0 34: 65 8b 05 f5 57 e2 7e mov %gs:0x7ee257f5(%rip),%eax # 0x7ee25830 3b: 25 ff ff ff 7f and $0x7fffffff,%eax