Bluetooth: hci0: Opcode 0x c03 failed: -4 watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.4:4664] Modules linked in: irq event stamp: 8368261 hardirqs last enabled at (8368260): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (8368261): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (8325818): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (8325821): [] __irq_exit_rcu+0xcc/0x110 CPU: 0 PID: 4664 Comm: syz-executor.4 Not tainted 6.2.0-next-20230303 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x1ea/0x22d0 Code: 48 89 54 24 28 48 89 74 24 20 44 89 54 24 18 e8 1c 60 6d 00 48 8b 54 24 28 48 8b 74 24 20 44 8b 54 24 18 8b 0c 95 b0 70 4c 86 <8d> 56 01 48 b8 00 00 00 00 00 fc ff df 48 8d 3c 95 b0 70 4c 86 49 RSP: 0018:ffff88806ce096c8 EFLAGS: 00000246 RAX: 0000000000000007 RBX: ffffffff83649dea RCX: 000000000008b684 RDX: 000000000002649d RSI: 000000000002649d RDI: ffffffff86560324 RBP: ffff88806ce09790 R08: 0000000000000001 R09: ffff88806ce09778 R10: 0000000000038001 R11: 0000000000000000 R12: ffff88806ce09798 R13: ffff88806ce09738 R14: ffff88806ce09779 R15: 0000000000000001 FS: 00007fec9fe28700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555595fc58 CR3: 0000000016ed4000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_node+0x187/0x330 __alloc_skb+0x28c/0x330 __netdev_alloc_skb+0x72/0x370 __ieee80211_beacon_get+0x3d9/0x13c0 ieee80211_beacon_get_tim+0x99/0x540 mac80211_hwsim_beacon_tx+0x1d3/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x258/0x8a2 __irq_exit_rcu+0xcc/0x110 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:___cache_free+0x3d/0xf0 Code: 0f 82 c2 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 61 00 aa 03 48 01 d0 48 c1 e8 0c 48 c1 e0 06 48 03 05 3f 00 aa 03 48 8b 50 08 <49> 89 c2 f6 c2 01 0f 85 87 00 00 00 66 90 49 8b 02 f6 c4 02 b8 00 RSP: 0018:ffff888044a97678 EFLAGS: 00000282 RAX: ffffea000068b180 RBX: ffff88801a2c6000 RCX: ffff88801a2c6000 RDX: ffffea000068b101 RSI: ffff88801a2c6000 RDI: ffff888008441c80 RBP: 0000000000000000 R08: ffff88801a2c6000 R09: ffffffff8180934f R10: fffffbfff0ef0539 R11: 0000000000000001 R12: dffffc0000000000 R13: ffff888044a976c8 R14: ffff888008441c80 R15: ffff88801a2c6000 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x196/0x230 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc+0x172/0x320 __create_object+0x3c/0xc90 kmemleak_alloc_percpu+0xa5/0x140 pcpu_alloc+0x7ec/0x1120 ipv4_mib_init_net+0x259/0x5d0 ops_init+0xbb/0x6b0 setup_net+0x3d9/0x990 copy_net_ns+0x321/0x770 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x414/0x500 copy_process+0x2a5e/0x7390 kernel_clone+0xeb/0x8c0 __do_sys_clone3+0x1d5/0x2e0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7feca28b2b19 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:00007fec9fe28188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007feca29c5f60 RCX: 00007feca28b2b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007feca290cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd7605b53f R14: 00007fec9fe28300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 20 Comm: kworker/1:0 Not tainted 6.2.0-next-20230303 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: events_freezable_power_ disk_events_workfn RIP: 0010:debug_lockdep_rcu_enabled+0x4/0x40 Code: b9 7b 00 00 00 00 eb c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <8b> 05 76 69 89 01 85 c0 74 21 8b 05 cc 79 89 01 85 c0 74 17 65 48 RSP: 0018:ffff888008e5f978 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff8560a920 RDI: ffff888008e50988 RBP: ffffffff85245e1f R08: 0000000000000000 R09: ffff888008e50958 R10: fffffbfff0ba5082 R11: 0000000000000001 R12: 000000000000012e R13: 0000000000000001 R14: 00000000ffffffff R15: 0000000000000088 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0006a2000 CR3: 0000000019546000 CR4: 0000000000350ee0 Call Trace: __might_resched+0x2a/0x510 __kmem_cache_alloc_node+0x29e/0x310 __kmalloc+0x46/0xc0 bio_kmalloc+0x3e/0x70 blk_rq_map_kern+0x4a2/0x920 scsi_execute_cmd+0x5a4/0x770 sr_check_events+0x1d5/0xaa0 cdrom_check_events+0x68/0x110 sr_block_check_events+0xc3/0x100 disk_check_events+0xc7/0x420 process_one_work+0xa0f/0x1790 worker_thread+0x63b/0x1260 kthread+0x2e9/0x3a0 ret_from_fork+0x2c/0x50 ---------------- Code disassembly (best guess): 0: 48 89 54 24 28 mov %rdx,0x28(%rsp) 5: 48 89 74 24 20 mov %rsi,0x20(%rsp) a: 44 89 54 24 18 mov %r10d,0x18(%rsp) f: e8 1c 60 6d 00 callq 0x6d6030 14: 48 8b 54 24 28 mov 0x28(%rsp),%rdx 19: 48 8b 74 24 20 mov 0x20(%rsp),%rsi 1e: 44 8b 54 24 18 mov 0x18(%rsp),%r10d 23: 8b 0c 95 b0 70 4c 86 mov -0x79b38f50(,%rdx,4),%ecx * 2a: 8d 56 01 lea 0x1(%rsi),%edx <-- trapping instruction 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8d 3c 95 b0 70 4c lea -0x79b38f50(,%rdx,4),%rdi 3e: 86 3f: 49 rex.WB