loop5: detected capacity change from 0 to 40 audit: type=1400 audit(1732340388.707:12): avc: denied { block_suspend } for pid=14646 comm="syz-executor.1" capability=36 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.1:14650] Modules linked in: irq event stamp: 3348991 hardirqs last enabled at (3348990): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3348991): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3331100): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3331105): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 14650 Comm: syz-executor.1 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:unwind_next_frame+0x482/0x2490 Code: bd 17 00 00 41 c6 47 40 01 48 c7 c1 00 da ac 85 48 c7 c0 05 da ac 85 eb 49 48 c7 c1 40 da ac 85 48 ba 00 00 00 00 00 fc ff df <48> 8d 41 05 48 89 c6 48 c1 ee 03 0f b6 14 16 48 89 c6 83 e6 07 40 RSP: 0018:ffff88806ce09768 EFLAGS: 00000282 RAX: ffffffff86bfc9f2 RBX: 0000000000000001 RCX: ffffffff86bfc9f2 RDX: dffffc0000000000 RSI: ffffffff86bfc9a4 RDI: ffffffff86746408 RBP: ffff88806ce09830 R08: ffffffff86bfc9a4 R09: ffff88806ce09818 R10: 000000000003c001 R11: 00000000000c3caa R12: ffff88806ce09838 R13: ffff88806ce09820 R14: ffff88806ce09819 R15: ffff88806ce097d8 FS: 00007f124181a700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005584df10e7b8 CR3: 0000000015da8000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 __kasan_record_aux_stack+0x8c/0xa0 __call_rcu_common.constprop.0+0x6a/0xaa0 kmem_cache_free+0x2ae/0x470 skb_release_data+0x814/0x990 consume_skb+0xd0/0x160 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 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+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__slab_free+0x7f/0x310 Code: c1 e8 1f 4d 85 ed 66 89 5c 24 58 41 89 c6 41 0f 94 c2 66 85 db 74 05 45 84 d2 74 05 45 84 f6 74 42 41 8b 7f 08 4c 8b 4c 24 58 <4c> 89 ea 4c 89 e6 4c 8b 44 24 20 e8 91 a0 ff ff 84 c0 74 9d 4c 89 RSP: 0018:ffff88803f4df4d0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00000000000c000b RCX: 00000000000c000c RDX: ffff888018ef63c0 RSI: ffffea000063bd80 RDI: 0000000000089110 RBP: ffff88803f4df570 R08: 0000000000000001 R09: 00000000000c000b R10: ffffea000063bd01 R11: 0000000000000000 R12: ffffea000063bd80 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880096a1280 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __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+0x2704/0x8e90 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f12442a4b19 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:00007f124181a188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f12443b7f60 RCX: 00007f12442a4b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f12442fef6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff8287159f R14: 00007f124181a300 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: bd 17 00 00 41 mov $0x41000017,%ebp 5: c6 47 40 01 movb $0x1,0x40(%rdi) 9: 48 c7 c1 00 da ac 85 mov $0xffffffff85acda00,%rcx 10: 48 c7 c0 05 da ac 85 mov $0xffffffff85acda05,%rax 17: eb 49 jmp 0x62 19: 48 c7 c1 40 da ac 85 mov $0xffffffff85acda40,%rcx 20: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 27: fc ff df * 2a: 48 8d 41 05 lea 0x5(%rcx),%rax <-- trapping instruction 2e: 48 89 c6 mov %rax,%rsi 31: 48 c1 ee 03 shr $0x3,%rsi 35: 0f b6 14 16 movzbl (%rsi,%rdx,1),%edx 39: 48 89 c6 mov %rax,%rsi 3c: 83 e6 07 and $0x7,%esi 3f: 40 rex