Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.1:6788] Modules linked in: irq event stamp: 2715065 hardirqs last enabled at (2715064): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2715065): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2703656): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2703659): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 6788 Comm: syz-executor.1 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 46 6d a9 fc 48 89 ef e8 4e e0 a9 fc 80 e7 02 74 06 e8 b4 35 d3 fc fb 65 ff 0d 54 dc 7c 7b <74> 07 5b 5d e9 a3 1e 00 00 0f 1f 44 00 00 5b 5d e9 97 1e 00 00 0f RSP: 0018:ffff88806cf09bb8 EFLAGS: 00000202 RAX: 0000000000296d50 RBX: 0000000000000246 RCX: 1ffffffff0fdfecf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8486ca6c RBP: ffffffff85d01a00 R08: 0000000000000001 R09: fffffbfff0fdddf1 R10: ffffffff87eeef8f R11: 00000000000c3893 R12: 0000000000000000 R13: 0000000000000246 R14: 0000000000000000 R15: ffff88802d5de640 FS: 00007f36e5ca1700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30524000 CR3: 00000000363e0000 CR4: 0000000000350ef0 Call Trace: delete_object_full+0x46/0x70 kmem_cache_free+0x2ae/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+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:unwind_next_frame+0x1b0/0x2490 Code: 42 ff 39 c6 0f 83 bb 16 00 00 48 b8 00 00 00 00 00 fc ff df 89 f2 48 8d 3c 95 0c c6 c2 86 49 89 f8 49 c1 e8 03 45 0f b6 04 00 <48> 89 f8 83 e0 07 83 c0 03 44 38 c0 7c 32 45 84 c0 74 2d 48 89 54 RSP: 0018:ffff8880281ff2f8 EFLAGS: 00000216 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff818bfd0f RDX: 0000000000008bfd RSI: 0000000000008bfd RDI: ffffffff86c4f600 RBP: ffff8880281ff3c0 R08: 0000000000000000 R09: ffff8880281ff3a8 R10: 000000000003c001 R11: 000000000002258d R12: ffff8880281ff3c8 R13: ffff8880281ff3b0 R14: ffff8880281ff3a9 R15: ffff8880281ff368 arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 __kasan_record_aux_stack+0x8c/0xa0 __call_rcu_common.constprop.0+0x6a/0xaa0 kfree+0x28e/0x480 __free_slab+0x10d/0x130 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_cache_noprof+0x149/0x3e0 seq_create_client1+0x4c/0x500 snd_seq_open+0x5b/0x600 snd_open+0x1e7/0x3f0 chrdev_open+0x235/0x690 do_dentry_open+0x71c/0x1420 vfs_open+0x82/0x3f0 path_openat+0x1cf3/0x2980 do_filp_open+0x1e9/0x450 do_sys_openat2+0x164/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f36e872bb19 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:00007f36e5ca1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f36e883ef60 RCX: 00007f36e872bb19 RDX: 0000000000002001 RSI: 00000000200000c0 RDI: ffffffffffffff9c RBP: 00007f36e8785f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd3d95cb6f R14: 00007f36e5ca1300 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), 1 bytes skipped: 0: 18 53 48 sbb %dl,0x48(%rbx) 3: 89 f3 mov %esi,%ebx 5: 48 8b 74 24 10 mov 0x10(%rsp),%rsi a: e8 46 6d a9 fc callq 0xfca96d55 f: 48 89 ef mov %rbp,%rdi 12: e8 4e e0 a9 fc callq 0xfca9e065 17: 80 e7 02 and $0x2,%bh 1a: 74 06 je 0x22 1c: e8 b4 35 d3 fc callq 0xfcd335d5 21: fb sti 22: 65 ff 0d 54 dc 7c 7b decl %gs:0x7b7cdc54(%rip) # 0x7b7cdc7d * 29: 74 07 je 0x32 <-- trapping instruction 2b: 5b pop %rbx 2c: 5d pop %rbp 2d: e9 a3 1e 00 00 jmpq 0x1ed5 32: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 37: 5b pop %rbx 38: 5d pop %rbp 39: e9 97 1e 00 00 jmpq 0x1ed5 3e: 0f .byte 0xf