watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.6:19072] Modules linked in: irq event stamp: 2565965 hardirqs last enabled at (2565964): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2565965): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2554646): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2554649): [] irq_exit_rcu+0x94/0xc0 CPU: 0 UID: 0 PID: 19072 Comm: syz-executor.6 Not tainted 6.12.0-rc3-next-20241016 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_trace_consume_entry+0x5f/0x170 Code: 08 8b 6b 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e ad 00 00 00 31 c0 3b 6b 08 <0f> 83 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 0c 48 89 RSP: 0018:ffff88806ce097c8 EFLAGS: 00000287 RAX: 0000000000000000 RBX: ffff88806ce098b0 RCX: 0000000000000001 RDX: 1ffff1100d9c1317 RSI: ffffffff838a7dbe RDI: ffff88806ce098b8 RBP: 000000000000001d R08: 0000000000000001 R09: ffff88806ce09828 R10: 000000000003c001 R11: 000000000009475a R12: ffff88806ce098b0 R13: 0000000000000000 R14: ffff88803746b700 R15: ffff88803d230300 FS: 00007fa8e75a0700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a4e67044c8 CR3: 0000000036e7a000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0x77/0xf0 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+0x2cb/0x5d0 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+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 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 b4 ff ab ff 4d 85 ed 74 06 e8 ca 7f 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:ffff8880418b7990 EFLAGS: 00000246 RAX: 000000000026bb55 RBX: ffffea00005659c0 RCX: 1ffffffff0fdca53 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8183f876 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fda9d9 R10: ffffffff87ed4ecf R11: 00000000000007e0 R12: ffff88806ce40350 R13: 0000000000000200 R14: 0000000000000000 R15: ffff888015967818 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19c/0x230 __kasan_kmalloc+0x6f/0x90 __kmalloc_node_track_caller_noprof+0x1ef/0x490 kmemdup_noprof+0x2c/0x60 bpf_prepare_filter+0xb6e/0xfe0 __get_filter+0x20a/0x2c0 sk_attach_filter+0x24/0x3a0 sk_setsockopt+0x1eb1/0x3440 do_sock_setsockopt+0x19a/0x1e0 __sys_setsockopt+0x12c/0x1f0 __x64_sys_setsockopt+0xbe/0x160 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa8ea04bb19 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:00007fa8e75a0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007fa8ea15f020 RCX: 00007fa8ea04bb19 RDX: 000000000000001a RSI: 0000000000000001 RDI: 0000000000000005 RBP: 00007fa8ea0a5f6d R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffc979b7ff R14: 00007fa8e75a0300 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: 8b 6b 10 mov 0x10(%rbx),%ebp 3: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax a: fc ff df d: 48 89 fa mov %rdi,%rdx 10: 48 c1 ea 03 shr $0x3,%rdx 14: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 18: 84 c0 test %al,%al 1a: 74 08 je 0x24 1c: 3c 03 cmp $0x3,%al 1e: 0f 8e ad 00 00 00 jle 0xd1 24: 31 c0 xor %eax,%eax 26: 3b 6b 08 cmp 0x8(%rbx),%ebp * 29: 0f 83 81 00 00 00 jae 0xb0 <-- trapping instruction 2f: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 36: fc ff df 39: 48 8d 7b 0c lea 0xc(%rbx),%rdi 3d: 48 rex.W 3e: 89 .byte 0x89