watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [syz-executor.6:11213] Modules linked in: irq event stamp: 2566535 hardirqs last enabled at (2566534): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2566535): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2543642): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2543667): [] irq_exit_rcu+0x94/0xc0 CPU: 1 UID: 0 PID: 11213 Comm: syz-executor.6 Not tainted 6.12.0-rc5-next-20241104 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_get_return_address+0x59/0xa0 Code: 5d e9 bb 4a 71 03 48 b8 00 00 00 00 00 fc ff df 48 8d 6b 58 48 89 ea 48 c1 ea 03 80 3c 02 00 75 36 48 8b 7b 58 e8 57 64 0d 00 <85> c0 74 cf 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 RSP: 0018:ffff88806cf09820 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffff88806cf09838 RCX: 0000000000000001 RDX: 1ffff1100d9e1312 RSI: ffff88806cf09cb8 RDI: ffffffff833aead6 RBP: ffff88806cf09890 R08: 0000000000000001 R09: ffff88806cf09878 R10: 000000000003c001 R11: 000000000008216f R12: ffff88806cf09900 R13: 0000000000000000 R14: ffff88801538d280 R15: ffff88803daecb40 FS: 00007f2ad7abc700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30c24000 CR3: 000000002d082000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x9d/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 __kasan_record_aux_stack+0x8c/0xa0 __call_rcu_common.constprop.0+0x6a/0xaa0 kmem_cache_free+0x2ae/0x470 kfree_skbmem+0x18a/0x1f0 consume_skb+0xdd/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+0x94/0xc0 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 28 bf f1 03 48 01 ca 48 c1 ea 0c 48 c1 e2 06 48 03 15 06 bf 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:ffff88801636fab0 EFLAGS: 00000282 RAX: ffff88803eb3e800 RBX: ffff88803eb3e800 RCX: ffff8880beb3e800 RDX: ffffea0000facf80 RSI: ffffea0000face01 RDI: ffffffff81846b56 RBP: 0000000000000000 R08: 0000000000000001 R09: fffffbfff0fdc5e9 R10: ffffffff87ee2f4f R11: 0000000000000000 R12: 0000000000000000 R13: ffff88801636fae8 R14: ffff88803eb39800 R15: ffff88803eb39800 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_noprof+0x195/0x4b0 traceprobe_set_print_fmt+0x56/0xd0 create_local_trace_kprobe+0x1f9/0x410 perf_kprobe_init+0x119/0x210 perf_kprobe_event_init+0xfc/0x1d0 perf_try_init_event+0x13a/0xc40 perf_event_alloc.part.0+0x10a6/0x3c30 __do_sys_perf_event_open+0x4cb/0x2b60 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2ada546b19 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:00007f2ad7abc188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f2ada659f60 RCX: 00007f2ada546b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000280 RBP: 00007f2ada5a0f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd9642010f R14: 00007f2ad7abc300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess): 0: 5d pop %rbp 1: e9 bb 4a 71 03 jmpq 0x3714ac1 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 8d 6b 58 lea 0x58(%rbx),%rbp 14: 48 89 ea mov %rbp,%rdx 17: 48 c1 ea 03 shr $0x3,%rdx 1b: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 1f: 75 36 jne 0x57 21: 48 8b 7b 58 mov 0x58(%rbx),%rdi 25: e8 57 64 0d 00 callq 0xd6481 * 2a: 85 c0 test %eax,%eax <-- trapping instruction 2c: 74 cf je 0xfffffffd 2e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 35: fc ff df 38: 48 89 ea mov %rbp,%rdx 3b: 48 c1 ea 03 shr $0x3,%rdx 3f: 80 .byte 0x80