audit: type=1400 audit(1734301955.651:10): avc: denied { write } for pid=6400 comm="syz-executor.5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 Bluetooth: hci7: command 0x0405 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.0:5928] Modules linked in: irq event stamp: 3515367 hardirqs last enabled at (3515366): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3515367): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3498196): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3498207): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 5928 Comm: syz-executor.0 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:unwind_next_frame+0x1329/0x2490 Code: 0f b6 34 10 49 8d 40 01 48 89 c7 48 c1 ef 03 0f b6 14 17 4c 89 c7 83 e7 07 40 38 fe 40 0f 9e c7 40 84 f6 40 0f 95 c6 40 84 f7 <0f> 85 d3 0d 00 00 83 e0 07 38 c2 40 0f 9e c6 84 d2 0f 95 c0 40 84 RSP: 0018:ffff88806ce09770 EFLAGS: 00000246 RAX: ffffffff86768727 RBX: 0000000000000001 RCX: ffffffff86768722 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffff88806ce09822 R08: ffffffff86768726 R09: ffff88806ce09820 R10: 000000000003a808 R11: 0000000000000003 R12: ffff88806ce09840 R13: ffff88806ce09828 R14: ffff888040f57f58 R15: ffff88806ce097e0 FS: 00007f6fd7552700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd949b28718 CR3: 000000000c494000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_record_aux_stack+0x89/0xa0 __call_rcu_common.constprop.0+0x6a/0xaa0 kmem_cache_free+0x2ae/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/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:qlist_free_all+0x96/0x160 Code: 0f 82 e0 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 20 9b d2 03 48 01 ca 48 c1 ea 0c 48 c1 e2 06 48 03 15 fe 9a d2 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:ffff888040f577a0 EFLAGS: 00000286 RAX: ffff888015f64378 RBX: ffff888015f64378 RCX: ffff888095f64378 RDX: ffffea000057d900 RSI: ffff888008c4f780 RDI: 0000000000080000 RBP: 0000000000000000 R08: ffff888041971880 R09: 0000000000120001 R10: ffffea0001065c00 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888040f577d8 R14: ffff888041971880 R15: ffff888041971a10 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_cache_noprof+0x149/0x3e0 devinet_init_net+0x56/0x910 ops_init+0x1e1/0x650 setup_net+0x1d7/0x7a0 copy_net_ns+0x2e3/0x700 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x26c0/0x70e0 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6fd9ffdb19 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:00007f6fd7552188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f6fda111020 RCX: 00007f6fd9ffdb19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f6fda057f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffba52104f R14: 00007f6fd7552300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess): 0: 0f b6 34 10 movzbl (%rax,%rdx,1),%esi 4: 49 8d 40 01 lea 0x1(%r8),%rax 8: 48 89 c7 mov %rax,%rdi b: 48 c1 ef 03 shr $0x3,%rdi f: 0f b6 14 17 movzbl (%rdi,%rdx,1),%edx 13: 4c 89 c7 mov %r8,%rdi 16: 83 e7 07 and $0x7,%edi 19: 40 38 fe cmp %dil,%sil 1c: 40 0f 9e c7 setle %dil 20: 40 84 f6 test %sil,%sil 23: 40 0f 95 c6 setne %sil 27: 40 84 f7 test %sil,%dil * 2a: 0f 85 d3 0d 00 00 jne 0xe03 <-- trapping instruction 30: 83 e0 07 and $0x7,%eax 33: 38 c2 cmp %al,%dl 35: 40 0f 9e c6 setle %sil 39: 84 d2 test %dl,%dl 3b: 0f 95 c0 setne %al 3e: 40 rex 3f: 84 .byte 0x84