watchdog: BUG: soft lockup - CPU#1 stuck for 24s! [syz-executor.3:5141] Modules linked in: irq event stamp: 4498505 hardirqs last enabled at (4498504): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (4498505): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (4453908): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (4453919): [] irq_exit_rcu+0x94/0xc0 CPU: 1 UID: 0 PID: 5141 Comm: syz-executor.3 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:unwind_next_frame+0xc6e/0x2490 Code: 08 00 00 00 4c 89 ff 49 01 c6 4c 89 f6 e8 ca f1 ff ff 4d 8d 4f 40 84 c0 0f 84 a4 f6 ff ff 4c 89 f7 e8 b6 e9 ff ff 49 8d 7f 50 <48> 89 fa 48 89 c5 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c RSP: 0018:ffff88806cf097b8 EFLAGS: 00000202 RAX: ffff88803fd27778 RBX: 0000000000000002 RCX: 0000000000000002 RDX: ffff88806cf09f01 RSI: ffff88806cf09fb8 RDI: ffff88806cf09878 RBP: ffff88806cf09880 R08: 0000000000000001 R09: ffff88806cf09868 R10: 000000000003c001 R11: 0000000000007fa2 R12: ffff88806cf09888 R13: ffff88806cf09870 R14: ffff88806cf09fb8 R15: ffff88806cf09828 FS: 00007fa9e7380700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5c3ac92718 CR3: 000000003ec58000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3a/0x60 __kasan_slab_free+0x38/0x50 kmem_cache_free+0x138/0x470 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:ffff88803fd27820 EFLAGS: 00000246 RAX: 000000000043f61d RBX: ffffea00003693c0 RCX: 1ffffffff0fdca53 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8183f876 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fda9d9 R10: ffffffff87ed4ecf R11: 00000000000007e0 R12: ffff88806cf40350 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88800da4f940 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19c/0x230 __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 copy_process+0x66d7/0x8e00 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d5/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa9e9e0ab19 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:00007fa9e7380188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fa9e9f1df60 RCX: 00007fa9e9e0ab19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007fa9e9e64f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffd2dda71f R14: 00007fa9e7380300 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: 08 00 or %al,(%rax) 2: 00 00 add %al,(%rax) 4: 4c 89 ff mov %r15,%rdi 7: 49 01 c6 add %rax,%r14 a: 4c 89 f6 mov %r14,%rsi d: e8 ca f1 ff ff callq 0xfffff1dc 12: 4d 8d 4f 40 lea 0x40(%r15),%r9 16: 84 c0 test %al,%al 18: 0f 84 a4 f6 ff ff je 0xfffff6c2 1e: 4c 89 f7 mov %r14,%rdi 21: e8 b6 e9 ff ff callq 0xffffe9dc 26: 49 8d 7f 50 lea 0x50(%r15),%rdi * 2a: 48 89 fa mov %rdi,%rdx <-- trapping instruction 2d: 48 89 c5 mov %rax,%rbp 30: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 37: fc ff df 3a: 48 c1 ea 03 shr $0x3,%rdx 3e: 80 .byte 0x80 3f: 3c .byte 0x3c