watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.0:8135] Modules linked in: irq event stamp: 2540453 hardirqs last enabled at (2540452): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2540453): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2534022): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2534051): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 8135 Comm: syz-executor.0 Not tainted 6.12.0-next-20241122 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 66 4e a9 fc 48 89 ef e8 6e c1 a9 fc 80 e7 02 74 06 e8 e4 1a d3 fc fb 65 ff 0d 54 bc 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:ffff88806cf091e0 EFLAGS: 00000202 RAX: 000000000026c368 RBX: 0000000000000286 RCX: 1ffffffff0fe62e8 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8486ea6c RBP: ffffffff85d01a00 R08: 0000000000000001 R09: fffffbfff0fdde01 R10: ffffffff87eef00f R11: 000000000000804d R12: ffff888041161000 R13: 0000000000000400 R14: 0000000000000001 R15: 0000000000000286 FS: 00007fb92bca8700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556d6dc58 CR3: 000000002f364000 CR4: 0000000000350ef0 Call Trace: __create_object+0x59/0x80 __kmalloc_noprof+0x37e/0x4b0 ieee802_11_parse_elems_full+0xec/0x15a0 ieee80211_inform_bss+0xf7/0x10b0 cfg80211_inform_single_bss_data+0x7fe/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:qlist_free_all+0x96/0x160 Code: 0f 82 e0 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 70 bc f1 03 48 01 ca 48 c1 ea 0c 48 c1 e2 06 48 03 15 4e bc 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:ffff888041fff8a0 EFLAGS: 00000282 RAX: ffff88803f1a5de0 RBX: ffff88803f1a5de0 RCX: ffff8880bf1a5de0 RDX: ffffea0000fc6940 RSI: ffff888008c4f780 RDI: 0000000000080000 RBP: 0000000000000000 R08: ffff888015a76378 R09: 00000000000d000b R10: ffffea0000569d00 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888041fff8d8 R14: ffff888015a76378 R15: ffff888015a76378 kasan_quarantine_reduce+0x19f/0x240 __kasan_kmalloc+0x6f/0x90 copy_net_ns+0x16c/0x6f0 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x2704/0x8e90 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb92e732b19 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:00007fb92bca8188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fb92e845f60 RCX: 00007fb92e732b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007fb92e78cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe97e337ef R14: 00007fb92bca8300 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), 1 bytes skipped: 0: 18 53 48 sbb %dl,0x48(%rbx) 3: 89 f3 mov %esi,%ebx 5: 48 8b 74 24 10 mov 0x10(%rsp),%rsi a: e8 66 4e a9 fc callq 0xfca94e75 f: 48 89 ef mov %rbp,%rdi 12: e8 6e c1 a9 fc callq 0xfca9c185 17: 80 e7 02 and $0x2,%bh 1a: 74 06 je 0x22 1c: e8 e4 1a d3 fc callq 0xfcd31b05 21: fb sti 22: 65 ff 0d 54 bc 7c 7b decl %gs:0x7b7cbc54(%rip) # 0x7b7cbc7d * 29: 74 07 je 0x32 <-- trapping instruction 2b: 5b pop %rbx 2c: 5d pop %rbp 2d: e9 a3 1e 00 00 jmpq 0x1ed5 32: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 37: 5b pop %rbx 38: 5d pop %rbp 39: e9 97 1e 00 00 jmpq 0x1ed5 3e: 0f .byte 0xf