watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.1:12401] Modules linked in: irq event stamp: 4412937 hardirqs last enabled at (4412936): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4412937): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (4407880): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (4407883): [] irq_exit_rcu+0x93/0xc0 CPU: 0 PID: 12401 Comm: syz-executor.1 Not tainted 6.5.0-rc4-next-20230804 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_release+0x3da/0x680 Code: ff ff ff ff 65 0f c1 05 a4 95 d4 7e 83 f8 01 0f 85 22 01 00 00 48 f7 04 24 00 02 00 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c5 48 c7 45 00 00 00 00 00 c7 45 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffff88806ce09728 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: c0927cb26ae65a2c RCX: ffff88806ce09778 RDX: 1ffff11008b0013c RSI: 0000000000000000 RDI: ffff8880458009e0 RBP: 1ffff1100d9c12e7 R08: 0000000000000001 R09: ffff8880458009e8 R10: ffffffff85d4e9d7 R11: 0000000000000001 R12: 0000000000000003 R13: ffffffff814d3e35 R14: 0000000000000004 R15: ffff888045800000 FS: 00007f109c8ed700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f109f3c5b98 CR3: 00000000430dc000 CR4: 0000000000350ef0 DR0: ffff7fffffff01dd DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __is_insn_slot_addr+0x147/0x290 kernel_text_address+0x48/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 __kasan_record_aux_stack+0x8e/0xa0 __call_rcu_common.constprop.0+0x6a/0xbd0 kmem_cache_free+0xc1/0x4d0 skb_release_data.isra.0+0x708/0x840 consume_skb+0x119/0x2e0 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x427/0x730 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x59d/0xb60 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:jump_label_text_reserved+0xdc/0x3e0 Code: 42 80 3c 38 00 0f 85 b7 02 00 00 4c 8b 6b 08 31 ff 41 83 e5 02 4c 89 ee e8 61 2a ea ff 4d 85 ed 75 a0 e8 87 2e ea ff 48 89 d8 <48> c1 e8 03 42 0f b6 04 38 84 c0 74 08 3c 03 0f 8e 8d 02 00 00 4c RSP: 0018:ffff88803fe77a08 EFLAGS: 00000202 RAX: ffffffff852fd5f0 RBX: ffffffff852fd5f0 RCX: ffffc90001188000 RDX: 0000000000040000 RSI: ffffffff81629079 RDI: 0000000000000007 RBP: ffffffff81000050 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff81000050 R13: 0000000000000000 R14: 0000000000000003 R15: dffffc0000000000 register_kprobe+0x7d8/0x15c0 register_kretprobe+0x42d/0x900 __register_trace_kprobe+0x23a/0x2d0 create_local_trace_kprobe+0x1ea/0x3d0 perf_kprobe_init+0x119/0x210 perf_kprobe_event_init+0xfc/0x1d0 perf_try_init_event+0x130/0x570 perf_event_alloc.part.0+0xf84/0x3a70 __do_sys_perf_event_open+0x4db/0x2ae0 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7f109f377b19 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:00007f109c8ed188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f109f48af60 RCX: 00007f109f377b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000280 RBP: 00007f109f3d1f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffee80062af R14: 00007f109c8ed300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess), 3 bytes skipped: 0: ff 65 0f jmpq *0xf(%rbp) 3: c1 05 a4 95 d4 7e 83 roll $0x83,0x7ed495a4(%rip) # 0x7ed495ae a: f8 clc b: 01 0f add %ecx,(%rdi) d: 85 22 test %esp,(%rdx) f: 01 00 add %eax,(%rax) 11: 00 48 f7 add %cl,-0x9(%rax) 14: 04 24 add $0x24,%al 16: 00 02 add %al,(%rdx) 18: 00 00 add %al,(%rax) 1a: 74 01 je 0x1d 1c: fb sti 1d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 24: fc ff df * 27: 48 01 c5 add %rax,%rbp <-- trapping instruction 2a: 48 c7 45 00 00 00 00 movq $0x0,0x0(%rbp) 31: 00 32: c7 45 08 00 00 00 00 movl $0x0,0x8(%rbp) 39: 48 rex.W 3a: 8b .byte 0x8b 3b: 84 .byte 0x84 3c: 24 .byte 0x24