Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci4: unexpected cc 0x0c25 length: 249 > 3 Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.1:7351] Modules linked in: irq event stamp: 2877115 hardirqs last enabled at (2877114): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2877115): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2848720): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2848725): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 7351 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:unwind_next_frame+0x565/0x2490 Code: 08 84 d2 0f 85 db 15 00 00 41 88 47 41 44 0f b6 71 04 41 83 e6 0f 41 80 fe 06 0f 84 8c 09 00 00 0f 87 6a 02 00 00 41 80 fe 04 <0f> 84 cc 0b 00 00 41 80 fe 05 0f 85 1a 01 00 00 48 b8 00 00 00 00 RSP: 0018:ffff88806cf097a8 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff86bfcf6a RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff88806cf09870 R08: ffffffff86bfcf6e R09: ffff88806cf09858 R10: 000000000003c001 R11: 00000000000c3bae R12: ffff88806cf09878 R13: ffff88806cf09860 R14: 0000000000000005 R15: ffff88806cf09818 FS: 00007f6cc5dac700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055d2ea3a9198 CR3: 00000000168a4000 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_save_free_info+0x3a/0x60 __kasan_slab_free+0x38/0x50 kmem_cache_free+0x138/0x470 skb_release_data+0x814/0x990 consume_skb+0xd0/0x160 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:qlist_free_all+0x96/0x160 Code: 0f 82 e0 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 c0 c4 f1 03 48 01 ca 48 c1 ea 0c 48 c1 e2 06 48 03 15 9e c4 f1 03 48 8b 72 08 <48> 89 d1 40 f6 c6 01 0f 85 a1 00 00 00 66 90 80 79 33 f5 ba 00 00 RSP: 0018:ffff88801ac47710 EFLAGS: 00000286 RAX: ffff888016057140 RBX: ffff888016057140 RCX: ffff888096057140 RDX: ffffea00005815c0 RSI: ffff88800969f280 RDI: ffffffff81849d96 RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff0fdddf1 R10: ffffffff87eeef8f R11: 0000000000000000 R12: 0000000000000000 R13: ffff88801ac47748 R14: ffff88802bb29b00 R15: ffff88802bb29b00 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_noprof+0x195/0x4b0 ops_init+0x77/0x650 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: 0033:0x7f6cc8836b19 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:00007f6cc5dac188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f6cc8949f60 RCX: 00007f6cc8836b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f6cc8890f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff86b5c91f R14: 00007f6cc5dac300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 Bluetooth: hci4: command tx timeout Bluetooth: hci4: command tx timeout Bluetooth: hci4: command tx timeout Bluetooth: hci4: command tx timeout ---------------- Code disassembly (best guess): 0: 08 84 d2 0f 85 db 15 or %al,0x15db850f(%rdx,%rdx,8) 7: 00 00 add %al,(%rax) 9: 41 88 47 41 mov %al,0x41(%r15) d: 44 0f b6 71 04 movzbl 0x4(%rcx),%r14d 12: 41 83 e6 0f and $0xf,%r14d 16: 41 80 fe 06 cmp $0x6,%r14b 1a: 0f 84 8c 09 00 00 je 0x9ac 20: 0f 87 6a 02 00 00 ja 0x290 26: 41 80 fe 04 cmp $0x4,%r14b * 2a: 0f 84 cc 0b 00 00 je 0xbfc <-- trapping instruction 30: 41 80 fe 05 cmp $0x5,%r14b 34: 0f 85 1a 01 00 00 jne 0x154 3a: 48 rex.W 3b: b8 00 00 00 00 mov $0x0,%eax