watchdog: BUG: soft lockup - CPU#0 stuck for 24s! [syz-executor.5:10028] Modules linked in: irq event stamp: 4643113 hardirqs last enabled at (4643112): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (4643113): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (4612098): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (4612103): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 10028 Comm: syz-executor.5 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_trace_consume_entry+0xd3/0x170 Code: ea 03 80 3c 02 00 0f 85 9a 00 00 00 8d 45 01 89 43 10 48 8b 03 48 8d 2c e8 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <80> 3c 02 00 75 64 48 89 75 00 8b 43 08 39 43 10 0f 92 c0 48 83 c4 RSP: 0018:ffff88806ce092e8 EFLAGS: 00000212 RAX: dffffc0000000000 RBX: ffff88806ce093d0 RCX: 0000000000000001 RDX: 1ffff1100d9c128a RSI: ffffffff8435fbff RDI: ffff88806ce093dc RBP: ffff88806ce09450 R08: 0000000000000001 R09: ffff88806ce09348 R10: 000000000003c001 R11: 00000000000b3524 R12: ffff88806ce093d0 R13: 0000000000000000 R14: ffff88800bc75280 R15: ffffffff8435e281 FS: 00007f22e5a76700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc9aa181b42 CR3: 0000000015d38000 CR4: 0000000000350ef0 DR0: ffffffffffff01dd DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0x77/0xf0 stack_trace_save+0x8f/0xc0 set_track_prepare+0x36/0x70 __alloc_object+0xf4/0x270 __create_object+0x1d/0x80 __kmalloc_noprof+0x37e/0x4b0 cfg80211_inform_single_bss_data+0x4f1/0x1c50 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:put_cpu_partial+0x10a/0x1b0 Code: 24 28 75 5b 49 c7 44 24 28 00 00 00 00 4c 89 e7 48 8d 35 00 00 00 00 e8 14 9a ab ff 4d 85 ed 74 06 e8 8a 62 d5 ff fb 4d 85 f6 <74> 1c 5b 4c 89 f6 48 89 ef 5d 41 5c 41 5d 41 5e e9 c1 fa ff ff 44 RSP: 0018:ffff888040bcfad0 EFLAGS: 00000246 RAX: 0000000000466005 RBX: ffffea0000320a80 RCX: 1ffffffff0fdfecf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81849d96 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fdddf1 R10: ffffffff87eeef8f R11: 0000000000000000 R12: ffff88806ce40350 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88800c82a000 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 kmem_cache_alloc_noprof+0x300/0x3d0 security_file_alloc+0x35/0x130 init_file+0x95/0x490 alloc_empty_file+0x94/0x1e0 alloc_file_pseudo+0x139/0x200 sock_alloc_file+0x53/0x1d0 __sys_socketpair+0x308/0x580 __x64_sys_socketpair+0x97/0x100 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f22e8500b19 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:00007f22e5a76188 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f22e8613f60 RCX: 00007f22e8500b19 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: 00007f22e855af6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000180 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffff320c0df R14: 00007f22e5a76300 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), 1 bytes skipped: 0: 03 80 3c 02 00 0f add 0xf00023c(%rax),%eax 6: 85 9a 00 00 00 8d test %ebx,-0x73000000(%rdx) c: 45 01 89 43 10 48 8b add %r9d,-0x74b7efbd(%r9) 13: 03 48 8d add -0x73(%rax),%ecx 16: 2c e8 sub $0xe8,%al 18: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1f: fc ff df 22: 48 89 ea mov %rbp,%rdx 25: 48 c1 ea 03 shr $0x3,%rdx * 29: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2d: 75 64 jne 0x93 2f: 48 89 75 00 mov %rsi,0x0(%rbp) 33: 8b 43 08 mov 0x8(%rbx),%eax 36: 39 43 10 cmp %eax,0x10(%rbx) 39: 0f 92 c0 setb %al 3c: 48 rex.W 3d: 83 .byte 0x83 3e: c4 .byte 0xc4