watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.3:10913] Modules linked in: irq event stamp: 2820419 hardirqs last enabled at (2820418): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2820419): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2692506): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2692509): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 10913 Comm: syz-executor.3 Not tainted 6.12.0-next-20241126 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x80 Code: 7e 60 e8 a3 ff ff ff 31 c0 e9 1c 47 35 03 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 34 24 65 48 8b 15 90 a4 b1 7e 65 8b 05 91 a4 b1 RSP: 0018:ffff88806ce09410 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff8880167a1e1d RCX: ffffffff8435a6b4 RDX: ffff88800f135280 RSI: 0000000000000006 RDI: 0000000000000000 RBP: ffff88800e45da1d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000006 R11: dd6c604830043200 R12: 0000000000000000 R13: 0000000000000006 R14: 0000000000000006 R15: 0000000000000000 FS: 00007fa2a8f1d700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001840 CR3: 0000000035df4000 CR4: 0000000000350ef0 Call Trace: cmp_bss.part.0+0x750/0x850 rb_find_bss+0x1d2/0x290 __cfg80211_bss_update+0xb7/0x1fe0 cfg80211_inform_single_bss_data+0x6e2/0x1c50 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x690 ieee80211_bss_info_update+0x2f6/0xa90 ieee80211_scan_rx+0x474/0xac0 ieee80211_rx_list+0x1e38/0x2840 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 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:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 66 0e a9 fc 48 89 ef e8 6e 81 a9 fc 80 e7 02 74 06 e8 e4 da d2 fc fb 65 ff 0d 54 7c 7c 7b <74> 07 5b 5d e9 a3 1e 00 00 0f 1f 44 00 00 5b 5d e9 97 1e 00 00 0f RSP: 0018:ffff8880165d7b58 EFLAGS: 00000202 RAX: 00000000002658eb RBX: 0000000000000206 RCX: 1ffffffff0fe310d RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84872a6c RBP: ffff88802d80dbe0 R08: 0000000000000001 R09: fffffbfff0fddff8 R10: ffffffff87eeffc7 R11: 0000000000000001 R12: ffff88802d80dbe0 R13: ffff88802d80d294 R14: ffff88802d80d280 R15: 0000000000000000 try_to_wake_up+0x813/0x1880 wake_up_q+0x91/0x140 __mutex_unlock_slowpath+0x217/0x630 __do_sys_perf_event_open+0x188a/0x2b00 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa2ab9a7b19 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:00007fa2a8f1d188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fa2ababaf60 RCX: 00007fa2ab9a7b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020001600 RBP: 00007fa2aba01f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc6383ff7f R14: 00007fa2a8f1d300 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: 7e 60 jle 0x62 2: e8 a3 ff ff ff callq 0xffffffaa 7: 31 c0 xor %eax,%eax 9: e9 1c 47 35 03 jmpq 0x335472a e: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 15: 00 00 00 00 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop 27: 90 nop 28: 90 nop 29: 90 nop * 2a: f3 0f 1e fa endbr64 <-- trapping instruction 2e: 48 8b 34 24 mov (%rsp),%rsi 32: 65 48 8b 15 90 a4 b1 mov %gs:0x7eb1a490(%rip),%rdx # 0x7eb1a4ca 39: 7e 3a: 65 gs 3b: 8b .byte 0x8b 3c: 05 .byte 0x5 3d: 91 xchg %eax,%ecx 3e: a4 movsb %ds:(%rsi),%es:(%rdi) 3f: b1 .byte 0xb1