EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8 r/w. Quota mode: none. loop1: detected capacity change from 0 to 39 watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.7:7116] Modules linked in: irq event stamp: 4121901 hardirqs last enabled at (4121900): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (4121901): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (4067210): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (4067213): [] irq_exit_rcu+0x94/0xc0 CPU: 1 UID: 0 PID: 7116 Comm: syz-executor.7 Not tainted 6.12.0-rc3-next-20241016 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:___slab_alloc+0x195/0x1200 Code: 24 28 00 00 00 00 4c 89 e7 48 8d 35 00 00 00 00 e8 30 23 ac ff 48 83 bd 58 ff ff ff 00 74 06 e8 41 a3 d5 ff fb 48 83 7b 18 00 <0f> 84 a3 0c 00 00 48 8d 05 00 00 00 00 48 89 85 60 ff ff ff 48 89 RSP: 0018:ffff88806cf097f0 EFLAGS: 00000282 RAX: 00000000003ee50e RBX: ffff88806cf40330 RCX: 1ffffffff0fde9ac RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8183d4ff RBP: ffff88806cf098c0 R08: 0000000000000001 R09: fffffbfff0fda9de R10: ffffffff87ed4ef7 R11: ffff88806cf40350 R12: ffff88806cf40350 R13: 00000000ffffffff R14: ffff888008c4f780 R15: ffffea0000e57b80 FS: 00007f14ff979700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c003f25000 CR3: 0000000035ad8000 CR4: 0000000000350ef0 Call Trace: kmem_cache_alloc_noprof+0x228/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_node_noprof+0x311/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 skb_copy+0x1d5/0x3b0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xafb/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2cb/0x5d0 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: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 b4 ff ab ff 4d 85 ed 74 06 e8 ca 7f 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:ffff88803d5c7560 EFLAGS: 00000246 RAX: 00000000003c9673 RBX: ffffea0000f16040 RCX: 1ffffffff0fdca6c RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8183f876 RBP: ffff88800969c280 R08: 0000000000000001 R09: fffffbfff0fda9d9 R10: ffffffff87ed4ecf R11: 0000000000000001 R12: ffff88806cf43400 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88803c581140 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19c/0x230 __kasan_kmalloc+0x6f/0x90 __kmalloc_node_noprof+0x1f1/0x4a0 __kvmalloc_node_noprof+0x178/0x200 nf_hook_entries_grow+0x699/0x860 __nf_register_net_hook+0x11a/0x7a0 nf_register_net_hook+0x11c/0x170 nf_register_net_hooks+0x5d/0xd0 ops_init+0x1e1/0x650 setup_net+0x1d7/0x7a0 copy_net_ns+0x2e3/0x6f0 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x2704/0x8e00 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d5/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1502403b19 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:00007f14ff979188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f1502516f60 RCX: 00007f1502403b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f150245df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff9a00189f R14: 00007f14ff979300 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: 24 28 and $0x28,%al 2: 00 00 add %al,(%rax) 4: 00 00 add %al,(%rax) 6: 4c 89 e7 mov %r12,%rdi 9: 48 8d 35 00 00 00 00 lea 0x0(%rip),%rsi # 0x10 10: e8 30 23 ac ff callq 0xffac2345 15: 48 83 bd 58 ff ff ff cmpq $0x0,-0xa8(%rbp) 1c: 00 1d: 74 06 je 0x25 1f: e8 41 a3 d5 ff callq 0xffd5a365 24: fb sti 25: 48 83 7b 18 00 cmpq $0x0,0x18(%rbx) * 2a: 0f 84 a3 0c 00 00 je 0xcd3 <-- trapping instruction 30: 48 8d 05 00 00 00 00 lea 0x0(%rip),%rax # 0x37 37: 48 89 85 60 ff ff ff mov %rax,-0xa0(%rbp) 3e: 48 rex.W 3f: 89 .byte 0x89