Bluetooth: hci0: Opcode 0x0c03 failed: -4 Bluetooth: hci4: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.2:7296] Modules linked in: irq event stamp: 2645139 hardirqs last enabled at (2645138): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2645139): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2643864): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2643867): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 7296 Comm: syz-executor.2 Not tainted 6.13.0-rc2-next-20241216 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x369/0x2490 Code: ff df 4c 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e f7 16 00 00 41 c7 07 00 00 00 00 31 c0 48 83 c4 38 5b 5d 41 5c <41> 5d 41 5e 41 5f e9 ac 78 73 03 48 81 f9 00 90 d5 86 0f 83 cb 02 RSP: 0018:ffff88806cf09658 EFLAGS: 00000292 RAX: 0000000000000001 RBX: ffffffff815f15a0 RCX: 0000000000000001 RDX: ffff88806cf09e08 RSI: ffff88806cf09dd0 RDI: ffff88806cf09688 RBP: ffff88806cf09710 R08: 0000000000000001 R09: ffff88806cf096b8 R10: 000000000003a864 R11: 0000000000012d56 R12: ffff88806cf09740 R13: ffff88806cf096c0 R14: ffff88806cf09dd0 R15: ffff88806cf09678 FS: 00007f7c44170700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055fa3d890c20 CR3: 000000001647e000 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_kmalloc+0x7f/0x90 dst_cow_metrics_generic+0x4c/0x1e0 icmp6_dst_alloc+0x45b/0x5f0 ndisc_send_skb+0x1159/0x1bb0 ndisc_send_rs+0x12d/0x540 addrconf_rs_timer+0x2e7/0x7a0 call_timer_fn+0x198/0x5d0 __run_timers+0x669/0x930 run_timer_softirq+0x117/0x210 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:memset_orig+0x33/0xb0 Code: b6 ce 48 b8 01 01 01 01 01 01 01 01 48 0f af c1 41 89 f9 41 83 e1 07 75 70 48 89 d1 48 c1 e9 06 74 35 0f 1f 44 00 00 48 ff c9 <48> 89 07 48 89 47 08 48 89 47 10 48 89 47 18 48 89 47 20 48 89 47 RSP: 0018:ffff88803df97aa8 EFLAGS: 00000206 RAX: ffffffffffffffff RBX: ffffffff857e92d0 RCX: 0000000000000039 RDX: 0000000000001000 RSI: 00000000000000ff RDI: ffffed1007d5c180 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: ffffed1007d5c000 R11: 0000000000000000 R12: ffffffff857e92e0 R13: 000000003eae0000 R14: ffffea0000fab800 R15: 0000000000000000 free_frozen_pages+0x2bf/0xe40 __put_partials+0xd8/0x110 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 __kmalloc_cache_noprof+0x316/0x3e0 find_get_pmu_context+0x86/0x970 __do_sys_perf_event_open+0x13f7/0x2b00 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7c46bfab19 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:00007f7c44170188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f7c46d0df60 RCX: 00007f7c46bfab19 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000280 RBP: 00007f7c46c54f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffee5443bf R14: 00007f7c44170300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 Bluetooth: hci0: Opcode 0x0c03 failed: -4 Bluetooth: hci0: Opcode 0x0c03 failed: -4 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: df 4c 89 fa fisttps -0x6(%rcx,%rcx,4) 4: 48 c1 ea 03 shr $0x3,%rdx 8: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax c: 84 c0 test %al,%al e: 74 08 je 0x18 10: 3c 03 cmp $0x3,%al 12: 0f 8e f7 16 00 00 jle 0x170f 18: 41 c7 07 00 00 00 00 movl $0x0,(%r15) 1f: 31 c0 xor %eax,%eax 21: 48 83 c4 38 add $0x38,%rsp 25: 5b pop %rbx 26: 5d pop %rbp 27: 41 5c pop %r12 * 29: 41 5d pop %r13 <-- trapping instruction 2b: 41 5e pop %r14 2d: 41 5f pop %r15 2f: e9 ac 78 73 03 jmpq 0x37378e0 34: 48 81 f9 00 90 d5 86 cmp $0xffffffff86d59000,%rcx 3b: 0f .byte 0xf 3c: 83 cb 02 or $0x2,%ebx