UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list loop3: detected capacity change from 0 to 264192 watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.4:16252] Modules linked in: irq event stamp: 2318287 hardirqs last enabled at (2318286): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2318287): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2297742): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2297761): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 16252 Comm: syz-executor.4 Not tainted 6.12.0-next-20241128 #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 86 1c a9 fc 48 89 ef e8 5e 8f a9 fc 80 e7 02 74 06 e8 64 ee d2 fc fb 65 ff 0d 44 8c 7c 7b <74> 07 5b 5d e9 93 1e 00 00 0f 1f 44 00 00 5b 5d e9 87 1e 00 00 0f RSP: 0018:ffff88806ce099b0 EFLAGS: 00000206 RAX: 0000000000235f92 RBX: 0000000000000282 RCX: 1ffffffff0fdfecf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84871a7c RBP: ffffffff85d01a80 R08: 0000000000000001 R09: fffffbfff0fdddf1 R10: ffffffff87eeef8f R11: 0000000000008067 R12: ffff888042686a00 R13: 0000000000000280 R14: 0000000000000001 R15: 0000000000000282 FS: 00007f2895ab9700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 00000000335b2000 CR4: 0000000000350ef0 Call Trace: __create_object+0x59/0x80 kmem_cache_alloc_node_noprof+0x311/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 __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:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 86 1c a9 fc 48 89 ef e8 5e 8f a9 fc 80 e7 02 74 06 e8 64 ee d2 fc fb 65 ff 0d 44 8c 7c 7b <74> 07 5b 5d e9 93 1e 00 00 0f 1f 44 00 00 5b 5d e9 87 1e 00 00 0f RSP: 0018:ffff88803fdaf670 EFLAGS: 00000246 RAX: 0000000000230f9f RBX: 0000000000000246 RCX: 1ffffffff0fdfecf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84871a7c RBP: ffff888008c4e900 R08: 0000000000000001 R09: fffffbfff0fdddf1 R10: ffffffff87eeef8f R11: 00000000000007e0 R12: 0000000000000000 R13: 0000000000000000 R14: ffff888008c4f780 R15: 0000000000000246 __put_partials+0xc4/0x110 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_lru_noprof+0x14c/0x3c0 proc_alloc_inode+0x27/0x210 alloc_inode+0x63/0x240 new_inode+0x1c/0x190 proc_get_inode+0x1d/0x7f0 proc_lookup_de+0x13e/0x220 proc_lookup+0xcc/0x110 __lookup_slow+0x252/0x470 walk_component+0x345/0x5b0 link_path_walk.part.0+0x683/0xd50 path_openat+0x2e3/0x2980 do_filp_open+0x1e9/0x450 do_sys_openat2+0x164/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2898543b19 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:00007f2895ab9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f2898656f60 RCX: 00007f2898543b19 RDX: 0000000000000000 RSI: 0000000020000040 RDI: ffffffffffffff9c RBP: 00007f289859df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffee0310bcf R14: 00007f2895ab9300 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), 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 86 1c a9 fc callq 0xfca91c95 f: 48 89 ef mov %rbp,%rdi 12: e8 5e 8f a9 fc callq 0xfca98f75 17: 80 e7 02 and $0x2,%bh 1a: 74 06 je 0x22 1c: e8 64 ee d2 fc callq 0xfcd2ee85 21: fb sti 22: 65 ff 0d 44 8c 7c 7b decl %gs:0x7b7c8c44(%rip) # 0x7b7c8c6d * 29: 74 07 je 0x32 <-- trapping instruction 2b: 5b pop %rbx 2c: 5d pop %rbp 2d: e9 93 1e 00 00 jmpq 0x1ec5 32: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 37: 5b pop %rbx 38: 5d pop %rbp 39: e9 87 1e 00 00 jmpq 0x1ec5 3e: 0f .byte 0xf