watchdog: BUG: soft lockup - CPU#1 stuck for 24s! [syz-executor.6:16231] Modules linked in: irq event stamp: 2887967 hardirqs last enabled at (2887966): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2887967): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2877926): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2877929): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 16231 Comm: syz-executor.6 Not tainted 6.12.0-next-20241118 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:memset+0x4/0x20 Code: eb 0c 48 83 fa 01 72 06 44 8a 1e 44 88 1f e9 a3 2f 02 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 2a 49 89 f9 40 88 f0 48 89 d1 f3 aa 4c 89 c8 e9 77 2f 02 00 0f RSP: 0018:ffff88806cf09ca8 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffff88803fe4b350 RCX: ffffffff845a68d5 RDX: 0000000000000058 RSI: 0000000000000000 RDI: ffff88806cf09d70 RBP: ffff88801620a640 R08: 0000000000000001 R09: ffffed100d9e13b8 R10: ffff88806cf09dc7 R11: ffffffff81520cd7 R12: ffff88806cf09d70 R13: 0000000000000080 R14: ffff88801620a6b0 R15: ffff8880163b8e20 FS: 00007f1d41a4f700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 00000000375b0000 CR4: 0000000000350ef0 Call Trace: ieee80211_rx_list+0xe35/0x2840 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 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:qlist_free_all+0x53/0x160 Code: 89 ef 48 29 d0 48 89 c6 49 89 c6 e8 e7 f0 ff ff 49 89 c7 66 90 4c 89 f6 48 89 ef 48 8d 15 00 00 00 00 e8 80 f2 f8 ff 48 85 db <0f> 84 9c 00 00 00 48 89 d8 4c 89 e5 4d 85 e4 75 ba b9 00 00 00 80 RSP: 0018:ffff88802bde7460 EFLAGS: 00000286 RAX: 00000000002b3b79 RBX: ffff88801612b6f0 RCX: 1ffffffff0fdfacf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8184a396 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fdd9f1 R10: ffffffff87eecf8f R11: 00000000000007e0 R12: 0000000000000000 R13: ffff88802bde7498 R14: ffff88800c9024a0 R15: ffff88800c9024a0 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_node_noprof+0x14c/0x3e0 __alloc_skb+0x2ad/0x370 __ip_append_data+0x3024/0x3f80 ip_append_data+0x115/0x1a0 raw_sendmsg+0xb51/0x30c0 inet_sendmsg+0x121/0x150 ____sys_sendmsg+0x99b/0xc80 ___sys_sendmsg+0x110/0x1b0 __sys_sendmsg+0x151/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1d444d9b19 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:00007f1d41a4f188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f1d445ecf60 RCX: 00007f1d444d9b19 RDX: 0000000000000000 RSI: 0000000020000780 RDI: 0000000000000005 RBP: 00007f1d44533f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd6a051f2f R14: 00007f1d41a4f300 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: eb 0c jmp 0xe 2: 48 83 fa 01 cmp $0x1,%rdx 6: 72 06 jb 0xe 8: 44 8a 1e mov (%rsi),%r11b b: 44 88 1f mov %r11b,(%rdi) e: e9 a3 2f 02 00 jmpq 0x22fb6 13: 0f 1f 00 nopl (%rax) 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: f3 0f 1e fa endbr64 * 2a: eb 2a jmp 0x56 <-- trapping instruction 2c: 49 89 f9 mov %rdi,%r9 2f: 40 88 f0 mov %sil,%al 32: 48 89 d1 mov %rdx,%rcx 35: f3 aa rep stos %al,%es:(%rdi) 37: 4c 89 c8 mov %r9,%rax 3a: e9 77 2f 02 00 jmpq 0x22fb6 3f: 0f .byte 0xf