Bluetooth: hci5: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.3:16052] Modules linked in: irq event stamp: 2669379 hardirqs last enabled at (2669378): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2669379): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2640826): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2640831): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 16052 Comm: syz-executor.3 Not tainted 6.13.0-rc2-next-20241213 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:arch_stack_walk+0x87/0xf0 Code: ff e8 2d a5 07 00 8b 95 68 ff ff ff 85 d2 75 24 eb 36 4c 89 e7 e8 39 9b 7a 03 84 c0 74 2a 48 8d bd 68 ff ff ff e8 69 80 07 00 <8b> 85 68 ff ff ff 85 c0 74 14 48 8d bd 68 ff ff ff e8 c3 7d 07 00 RSP: 0018:ffff88806cf095e8 EFLAGS: 00000292 RAX: 0000000000000001 RBX: ffffffff815f1180 RCX: ffffffff86841001 RDX: ffff88806cf09950 RSI: 0000000000000000 RDI: ffff88806cf095f8 RBP: ffff88806cf09680 R08: ffffffff86841080 R09: ffff88806cf09628 R10: 000000000003a808 R11: 000000000002418d R12: ffff88806cf096b0 R13: 0000000000000000 R14: ffff88802df55340 R15: 0000000000092820 FS: 00007fe4410e6700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3082a000 CR3: 0000000036b1a000 CR4: 0000000000350ef0 Call Trace: 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 __alloc_skb+0x2ad/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/0xa80 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 c4 b2 ab ff 4d 85 ed 74 06 e8 ea 7a 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:ffff88802e73f940 EFLAGS: 00000246 RAX: 0000000000284bbd RBX: ffffea0000684800 RCX: 1ffffffff0fdff0a RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81a48206 RBP: ffff88800b490280 R08: 0000000000000001 R09: fffffbfff0fddde1 R10: ffffffff87eeef0f R11: 0000000000000000 R12: ffff88806cf45d10 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88801a121d08 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 security_file_alloc+0x35/0x130 init_file+0x95/0x480 alloc_empty_file+0x94/0x1e0 path_openat+0xe1/0x2990 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: 0033:0x7fe443b70b19 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:00007fe4410e6188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fe443c83f60 RCX: 00007fe443b70b19 RDX: 0000000000101042 RSI: 0000000020000100 RDI: ffffffffffffff9c RBP: 00007fe443bcaf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd0641f79f R14: 00007fe4410e6300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 Bluetooth: Unexpected start frame (len 12) Bluetooth: Unexpected start frame (len 12) Bluetooth: Unexpected start frame (len 12) Bluetooth: Unexpected start frame (len 12) Bluetooth: Unexpected start frame (len 12) Bluetooth: Unexpected start frame (len 12) ---------------- Code disassembly (best guess), 1 bytes skipped: 0: e8 2d a5 07 00 callq 0x7a532 5: 8b 95 68 ff ff ff mov -0x98(%rbp),%edx b: 85 d2 test %edx,%edx d: 75 24 jne 0x33 f: eb 36 jmp 0x47 11: 4c 89 e7 mov %r12,%rdi 14: e8 39 9b 7a 03 callq 0x37a9b52 19: 84 c0 test %al,%al 1b: 74 2a je 0x47 1d: 48 8d bd 68 ff ff ff lea -0x98(%rbp),%rdi 24: e8 69 80 07 00 callq 0x78092 * 29: 8b 85 68 ff ff ff mov -0x98(%rbp),%eax <-- trapping instruction 2f: 85 c0 test %eax,%eax 31: 74 14 je 0x47 33: 48 8d bd 68 ff ff ff lea -0x98(%rbp),%rdi 3a: e8 c3 7d 07 00 callq 0x77e02