wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.3:13853] Modules linked in: irq event stamp: 2495955 hardirqs last enabled at (2495954): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2495955): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2478842): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2478845): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 13853 Comm: syz-executor.3 Not tainted 6.13.0-rc1-next-20241204 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_trace_consume_entry+0xd7/0x170 Code: 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 08 5b 5d e9 RSP: 0018:ffff88806ce097f8 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff88806ce098e0 RCX: 0000000000000001 RDX: 1ffff1100d9c132f RSI: ffffffff833b95ab RDI: ffff88806ce098ec RBP: ffff88806ce09978 R08: 0000000000000001 R09: ffff88806ce09858 R10: 000000000003c001 R11: 00000000000b9a54 R12: ffff88806ce098e0 R13: 0000000000000000 R14: ffff888015b98000 R15: 0000000000000820 FS: 00007f632c591700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f632c52df80 CR3: 0000000034ad0000 CR4: 0000000000350ef0 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 kmem_cache_alloc_node_noprof+0x311/0x3e0 __alloc_skb+0x2ad/0x370 __netdev_alloc_skb+0x7a/0x7c0 __ieee80211_beacon_get+0x3f4/0xfc0 ieee80211_beacon_get_tim+0xa6/0x280 mac80211_hwsim_beacon_tx+0x49b/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa80 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 f1 9f ff ff 84 c0 74 9d 4c 89 RSP: 0018:ffff8880408b7b00 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00000000000d000a RCX: 00000000000d000b RDX: ffff8880428f3b90 RSI: ffffea00010a3cc0 RDI: 0000000000089800 RBP: ffff8880408b7ba0 R08: 0000000000000001 R09: 00000000000d000a R10: ffffea00010a3c00 R11: 0000000000000000 R12: ffffea00010a3cc0 R13: ffff8880428f35c8 R14: 0000000000000000 R15: ffff888008c4f780 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 getname_flags.part.0+0x48/0x550 getname+0x8f/0xd0 do_sys_openat2+0xec/0x1d0 __x64_sys_creat+0xcd/0x120 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f632f01bb19 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:00007f632c591188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f632f12ef60 RCX: 00007f632f01bb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000240 RBP: 00007f632f075f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdb7788edf R14: 00007f632c591300 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: 02 00 add (%rax),%al 2: 0f 85 9a 00 00 00 jne 0xa2 8: 8d 45 01 lea 0x1(%rbp),%eax b: 89 43 10 mov %eax,0x10(%rbx) e: 48 8b 03 mov (%rbx),%rax 11: 48 8d 2c e8 lea (%rax,%rbp,8),%rbp 15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1c: fc ff df 1f: 48 89 ea mov %rbp,%rdx 22: 48 c1 ea 03 shr $0x3,%rdx 26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) * 2a: 75 64 jne 0x90 <-- trapping instruction 2c: 48 89 75 00 mov %rsi,0x0(%rbp) 30: 8b 43 08 mov 0x8(%rbx),%eax 33: 39 43 10 cmp %eax,0x10(%rbx) 36: 0f 92 c0 setb %al 39: 48 83 c4 08 add $0x8,%rsp 3d: 5b pop %rbx 3e: 5d pop %rbp 3f: e9 .byte 0xe9