Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout Process accounting resumed watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.1:10126] Modules linked in: irq event stamp: 5310665 hardirqs last enabled at (5310664): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (5310665): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (5282598): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (5282601): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 10126 Comm: syz-executor.1 Not tainted 6.17.0-next-20251010 #1 PREEMPT(voluntary) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_release+0x152/0x290 Code: 84 e0 00 00 00 b8 ff ff ff ff 65 0f c1 05 fe 78 54 06 83 f8 01 0f 85 f6 00 00 00 41 f7 c5 00 02 00 00 74 01 fb 48 8b 44 24 10 <65> 48 2b 05 1e 39 54 06 0f 85 27 01 00 00 48 83 c4 18 5d 41 5c 41 RSP: 0018:ffff88806ce08490 EFLAGS: 00000206 RAX: 50e61e204f2eb500 RBX: ffff88804406fd80 RCX: ffff88806ce0849c RDX: 0000000000000005 RSI: ffffffff85e1d9a0 RDI: ffff8880492926a0 RBP: ffffffff85e1d9a0 R08: ffff88806ce313e8 R09: ffffe8ffffc00828 R10: ffff88806ce08340 R11: 000000000001c5e6 R12: ffffffff81358bd2 R13: 0000000000000206 R14: ffff888049291b80 R15: 0000000000000006 FS: 00007f84b1035700(0000) GS:ffff8880e53be000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000340 CR3: 0000000049eac000 CR4: 0000000000350ef0 Call Trace: unwind_next_frame+0x3b7/0x2540 arch_stack_walk+0x86/0xf0 stack_trace_save+0x8e/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_noprof+0x205/0x680 __alloc_object+0x2b/0x2c0 __create_object+0x1d/0x80 kmem_cache_alloc_node_noprof+0x3e1/0x6a0 __alloc_skb+0x2ab/0x370 skb_copy+0x1d5/0x3b0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xafa/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x53f/0x940 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x1b0 __hrtimer_run_queues+0x1ee/0xac0 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:smp_call_function_single+0x2c2/0x420 Code: 65 ff 0d e1 83 3d 06 0f 94 c3 31 ff 89 de e8 05 55 0b 00 84 db 0f 85 fe 00 00 00 e8 28 5a 0b 00 48 b8 00 00 00 00 00 fc ff df <49> 01 c6 41 c7 06 00 00 00 00 41 c7 46 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffff88804406fb20 EFLAGS: 00000216 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc900029fa000 RDX: 0000000000040000 RSI: ffffffff81689c68 RDI: 0000000000000001 RBP: ffff88804406fbf8 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000200 R14: 1ffff1100880df68 R15: ffff888049291b94 task_function_call+0xe4/0x170 perf_install_in_context+0x2ca/0x570 __do_sys_perf_event_open+0x1992/0x2c20 do_syscall_64+0xbf/0x390 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f84b3abfb19 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:00007f84b1035188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f84b3bd2f60 RCX: 00007f84b3abfb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000340 RBP: 00007f84b3b19f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcf980e65f R14: 00007f84b1035300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.17.0-next-20251010 #1 PREEMPT(voluntary) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x240/0xb60 Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 85 08 00 00 b8 01 00 00 00 66 89 45 00 e9 c0 fe ff ff 89 44 24 38 f3 90 5c fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 RSP: 0018:ffff88806cf089d0 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff84c1b55e RDX: fffffbfff0c63bfd RSI: 0000000000000004 RDI: ffffffff8631dfe0 RBP: ffffffff8631dfe0 R08: 0000000000000000 R09: fffffbfff0c63bfc R10: ffffffff8631dfe3 R11: 0000000000000001 R12: 1ffff1100d9e113b R13: 0000000000000003 R14: fffffbfff0c63bfc R15: ffff88806cf08a08 FS: 0000000000000000(0000) GS:ffff8880e54be000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558b658acb30 CR3: 000000001fe2e000 CR4: 0000000000350ef0 Call Trace: do_raw_spin_lock+0x1dc/0x260 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6d0/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x53f/0x940 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x1b0 __hrtimer_run_queues+0x1ee/0xac0 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:pv_native_safe_halt+0x1e/0x30 Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 eb 0c 0f 1f 44 00 00 0f 00 2d 19 2e 26 00 0f 1f 44 00 00 fb f4 8d 82 02 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 RSP: 0018:ffff8880096efe58 EFLAGS: 00000202 RAX: 00000000007aee6d RBX: 0000000000000001 RCX: ffffffff84bf60b7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff814c9680 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9e630a R10: ffff88806cf31853 R11: 0000000000000001 R12: ffffffff86645050 R13: 1ffff110012ddfd2 R14: 0000000000000000 R15: 0000000000000000 default_idle+0xe/0x20 default_idle_call+0x6c/0xb0 do_idle+0x340/0x490 cpu_startup_entry+0x4f/0x60 start_secondary+0x1bd/0x210 common_startup_64+0x13e/0x148 ---------------- Code disassembly (best guess): 0: 84 e0 test %ah,%al 2: 00 00 add %al,(%rax) 4: 00 b8 ff ff ff ff add %bh,-0x1(%rax) a: 65 0f c1 05 fe 78 54 xadd %eax,%gs:0x65478fe(%rip) # 0x6547910 11: 06 12: 83 f8 01 cmp $0x1,%eax 15: 0f 85 f6 00 00 00 jne 0x111 1b: 41 f7 c5 00 02 00 00 test $0x200,%r13d 22: 74 01 je 0x25 24: fb sti 25: 48 8b 44 24 10 mov 0x10(%rsp),%rax * 2a: 65 48 2b 05 1e 39 54 sub %gs:0x654391e(%rip),%rax # 0x6543950 <-- trapping instruction 31: 06 32: 0f 85 27 01 00 00 jne 0x15f 38: 48 83 c4 18 add $0x18,%rsp 3c: 5d pop %rbp 3d: 41 5c pop %r12 3f: 41 rex.B