Bluetooth: hci4: command 0x0c1a tx timeout Bluetooth: hci3: command 0x0c1a tx timeout Bluetooth: hci5: command 0x0c1a tx timeout Bluetooth: hci6: command 0x0c1a tx timeout Bluetooth: hci7: command 0x0c1a tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [syz-executor.3:10974] Modules linked in: irq event stamp: 2739629 hardirqs last enabled at (2739628): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2739629): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2720354): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2720357): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 10974 Comm: syz-executor.3 Not tainted 6.12.0-next-20241126 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0xc38/0x2490 Code: 41 83 e0 07 44 38 c2 41 0f 9e c0 84 d2 0f 95 c2 41 84 d0 0f 85 51 17 00 00 83 e0 07 40 38 c6 0f 9e c2 40 84 f6 0f 95 c0 84 c2 <0f> 85 3a 17 00 00 48 0f bf 41 02 ba 08 00 00 00 4c 89 ff 49 01 c6 RSP: 0018:ffff88806cf09538 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffffffff8679689e RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffff867968a0 RBP: ffff88806cf09600 R08: 0000000000000001 R09: ffff88806cf095e8 R10: 000000000003c001 R11: 0000000000007fff R12: ffff88806cf09608 R13: ffff88806cf095f0 R14: ffff88806cf09fe0 R15: ffff88806cf095a8 FS: 00007f75ac183700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005558fcb32df0 CR3: 0000000035d42000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_node_noprof+0x311/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 __netdev_alloc_skb+0x7a/0x7c0 __ieee80211_beacon_get+0x3f4/0xfc0 ieee80211_beacon_get_tim+0xa6/0x280 mac80211_hwsim_beacon_tx+0x49b/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+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:put_cpu_partial+0x10a/0x1b0 Code: 24 28 75 5b 49 c7 44 24 28 00 00 00 00 4c 89 e7 48 8d 35 00 00 00 00 e8 e4 92 ab ff 4d 85 ed 74 06 e8 6a 5f d5 ff fb 4d 85 f6 <74> 1c 5b 4c 89 f6 48 89 ef 5d 41 5c 41 5d 41 5e e9 c1 fa ff ff 44 RSP: 0018:ffff888040a8f120 EFLAGS: 00000246 RAX: 0000000000289195 RBX: ffffea0000637b80 RCX: 1ffffffff0fe00cf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8184a5e6 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fddff1 R10: ffffffff87eeff8f R11: 0000000000000000 R12: ffff88806cf40350 R13: 0000000000000200 R14: 0000000000000000 R15: ffff888018deede0 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_kmalloc+0x6f/0x90 __kmalloc_node_track_caller_noprof+0x1ef/0x490 kstrdup+0x3e/0xc0 kstrdup_const+0x57/0x80 __kernfs_new_node+0x9d/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 netdev_queue_update_kobjects+0x216/0x4f0 netdev_register_kobject+0x2e7/0x3b0 register_netdevice+0x1332/0x1ab0 register_netdev+0x31/0x60 loopback_net_init+0x7a/0x180 ops_init+0x1e1/0x650 setup_net+0x1d7/0x7a0 copy_net_ns+0x2e3/0x6f0 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x2704/0x8e90 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f75aec0db19 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:00007f75ac183188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f75aed20f60 RCX: 00007f75aec0db19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f75aec67f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe3e6497bf R14: 00007f75ac183300 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: 41 83 e0 07 and $0x7,%r8d 4: 44 38 c2 cmp %r8b,%dl 7: 41 0f 9e c0 setle %r8b b: 84 d2 test %dl,%dl d: 0f 95 c2 setne %dl 10: 41 84 d0 test %dl,%r8b 13: 0f 85 51 17 00 00 jne 0x176a 19: 83 e0 07 and $0x7,%eax 1c: 40 38 c6 cmp %al,%sil 1f: 0f 9e c2 setle %dl 22: 40 84 f6 test %sil,%sil 25: 0f 95 c0 setne %al 28: 84 c2 test %al,%dl * 2a: 0f 85 3a 17 00 00 jne 0x176a <-- trapping instruction 30: 48 0f bf 41 02 movswq 0x2(%rcx),%rax 35: ba 08 00 00 00 mov $0x8,%edx 3a: 4c 89 ff mov %r15,%rdi 3d: 49 01 c6 add %rax,%r14