Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.1:13854] Modules linked in: irq event stamp: 2747755 hardirqs last enabled at (2747754): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2747755): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2707174): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2707177): [] irq_exit_rcu+0x94/0xc0 CPU: 1 UID: 0 PID: 13854 Comm: syz-executor.1 Not tainted 6.12.0-rc5-next-20241104 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:arch_stack_walk+0x8d/0xf0 Code: 8b 95 68 ff ff ff 85 d2 75 24 eb 36 4c 89 e7 e8 39 c2 78 03 84 c0 74 2a 48 8d bd 68 ff ff ff e8 e9 7f 07 00 8b 85 68 ff ff ff <85> c0 74 14 48 8d bd 68 ff ff ff e8 43 7d 07 00 48 89 c6 48 85 c0 RSP: 0018:ffff88806cf09878 EFLAGS: 00000292 RAX: 0000000000000001 RBX: ffffffff813ef450 RCX: ffffffff86839201 RDX: ffff8880319e6ff0 RSI: 0000000000000000 RDI: ffff88806cf09888 RBP: ffff88806cf09910 R08: ffffffff868392a0 R09: ffff88806cf098b8 R10: 000000000003c001 R11: 0000000000023c5b R12: ffff88806cf09940 R13: 0000000000000000 R14: ffff88801334b700 R15: ffff888035b208c0 FS: 00007ff72fbf9700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f026000 CR3: 000000002f9fc000 CR4: 0000000000350ef0 Call Trace: stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3a/0x60 __kasan_slab_free+0x38/0x50 kmem_cache_free+0x138/0x470 kfree_skbmem+0x18a/0x1f0 consume_skb+0xdd/0x160 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 irq_exit_rcu+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:arch_stack_walk+0xa3/0xf0 Code: 74 2a 48 8d bd 68 ff ff ff e8 e9 7f 07 00 8b 85 68 ff ff ff 85 c0 74 14 48 8d bd 68 ff ff ff e8 43 7d 07 00 48 89 c6 48 85 c0 <75> ca 48 8b 45 d8 65 48 2b 04 25 28 00 00 00 75 32 48 83 c4 78 5b RSP: 0018:ffff8880319e6c88 EFLAGS: 00000282 RAX: ffffffff818bc92f RBX: ffffffff813ef450 RCX: 0000000000000001 RDX: 1ffff1100633cd9c RSI: ffffffff818bc92f RDI: ffffffff818bc92f RBP: ffff8880319e6d20 R08: 0000000000000001 R09: ffff8880319e6cc8 R10: 000000000003c001 R11: 0000000000023e8e R12: ffff8880319e6d50 R13: 0000000000000000 R14: ffff88801334b700 R15: ffff88800e07c640 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3a/0x60 __kasan_slab_free+0x38/0x50 kfree+0x132/0x480 __free_slab+0x10d/0x130 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_noprof+0x300/0x3d0 __kernfs_new_node+0xd4/0x850 kernfs_new_node+0x18b/0x250 kernfs_create_dir_ns+0x4d/0x160 sysfs_create_dir_ns+0x12b/0x2a0 kobject_add_internal+0x24c/0x9a0 kobject_init_and_add+0x101/0x170 net_rx_queue_update_kobjects+0x279/0x570 netdev_register_kobject+0x26c/0x3b0 register_netdevice+0x1332/0x1ab0 register_netdev+0x31/0x60 sit_init_net+0x28b/0x5c0 ops_init+0x1e1/0x650 setup_net+0x1d7/0x7a0 copy_net_ns+0x2e3/0x6f0 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x2704/0x8e60 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff732683b19 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:00007ff72fbf9188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007ff732796f60 RCX: 00007ff732683b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007ff7326ddf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdf16c0acf R14: 00007ff72fbf9300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess): 0: 8b 95 68 ff ff ff mov -0x98(%rbp),%edx 6: 85 d2 test %edx,%edx 8: 75 24 jne 0x2e a: eb 36 jmp 0x42 c: 4c 89 e7 mov %r12,%rdi f: e8 39 c2 78 03 callq 0x378c24d 14: 84 c0 test %al,%al 16: 74 2a je 0x42 18: 48 8d bd 68 ff ff ff lea -0x98(%rbp),%rdi 1f: e8 e9 7f 07 00 callq 0x7800d 24: 8b 85 68 ff ff ff mov -0x98(%rbp),%eax * 2a: 85 c0 test %eax,%eax <-- trapping instruction 2c: 74 14 je 0x42 2e: 48 8d bd 68 ff ff ff lea -0x98(%rbp),%rdi 35: e8 43 7d 07 00 callq 0x77d7d 3a: 48 89 c6 mov %rax,%rsi 3d: 48 85 c0 test %rax,%rax