watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.6:5442] Modules linked in: irq event stamp: 2856181 hardirqs last enabled at (2856180): [<ffffffff84a8272b>] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2856181): [<ffffffff84a810ef>] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2766412): [<ffffffff813a9e4c>] handle_softirqs+0x50c/0x770 softirqs last disabled at (2766415): [<ffffffff813aa1e4>] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 5442 Comm: syz-executor.6 Not tainted 6.13.0-rc3-next-20241220 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__virt_addr_valid+0xa1/0x5d0 Code: 00 48 39 eb 72 7e e8 ce e4 3b 00 48 c7 c0 41 b6 3f 86 48 ba 00 00 00 00 00 fc ff df 48 89 c1 83 e0 07 48 c1 e9 03 0f b6 14 11 <38> c2 7f 08 84 d2 0f 85 a9 03 00 00 0f b6 0d 8d d1 09 05 48 89 eb RSP: 0018:ffff88806cf09af8 EFLAGS: 00000212 RAX: 0000000000000001 RBX: ffff888095ee7520 RCX: 1ffffffff0c7f6c8 RDX: 0000000000000000 RSI: ffffffff8135e482 RDI: 0000000000000006 RBP: 0000000015ee7520 R08: 0000000000000001 R09: fffffbfff0fdfbe9 R10: 0000000015ee7520 R11: 0000000000000001 R12: 0000000000000000 R13: ffffea0000fb2200 R14: 0000000000000000 R15: ffff88803ec88600 FS: 00007fcf3ae20700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f39d9894018 CR3: 000000000eff8000 CR4: 0000000000350ef0 Call Trace: <IRQ> kasan_addr_to_slab+0xd/0xa0 kasan_record_aux_stack+0xe/0xa0 __call_rcu_common.constprop.0+0x6a/0xb70 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/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 </IRQ> <TASK> 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 04 c6 ab ff 4d 85 ed 74 06 e8 ca 4b 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:ffff88803f307bd0 EFLAGS: 00000246 RAX: 000000000028f8e7 RBX: ffffea00006c7200 RCX: 1ffffffff0fe1d12 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81a47796 RBP: ffff8880096d8500 R08: 0000000000000001 R09: fffffbfff0fdfbe9 R10: ffffffff87efdf4f R11: 0000000000000000 R12: ffff88806cf43530 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88801b1c8600 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_noprof+0x195/0x4b0 security_sk_alloc+0x101/0x160 sk_prot_alloc+0xa9/0x280 sk_alloc+0x34/0xb50 inet6_create+0x340/0x1200 __sock_create+0x369/0x810 __sys_socket+0x147/0x260 __x64_sys_socket+0x73/0xb0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcf3d8aab19 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:00007fcf3ae20188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007fcf3d9bdf60 RCX: 00007fcf3d8aab19 RDX: 0000000000000088 RSI: 0000000000000002 RDI: 000000000000000a RBP: 00007fcf3d904f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcff0e4c9f R14: 00007fcf3ae20300 R15: 0000000000022000 </TASK> Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 48 39 eb cmp %rbp,%rbx 3: 72 7e jb 0x83 5: e8 ce e4 3b 00 callq 0x3be4d8 a: 48 c7 c0 41 b6 3f 86 mov $0xffffffff863fb641,%rax 11: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 18: fc ff df 1b: 48 89 c1 mov %rax,%rcx 1e: 83 e0 07 and $0x7,%eax 21: 48 c1 e9 03 shr $0x3,%rcx 25: 0f b6 14 11 movzbl (%rcx,%rdx,1),%edx * 29: 38 c2 cmp %al,%dl <-- trapping instruction 2b: 7f 08 jg 0x35 2d: 84 d2 test %dl,%dl 2f: 0f 85 a9 03 00 00 jne 0x3de 35: 0f b6 0d 8d d1 09 05 movzbl 0x509d18d(%rip),%ecx # 0x509d1c9 3c: 48 89 eb mov %rbp,%rbx