watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.5:8800] Modules linked in: irq event stamp: 2420521 hardirqs last enabled at (2420520): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2420521): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2417278): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2417283): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 8800 Comm: syz-executor.5 Not tainted 6.12.0-next-20241126 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0xc6a/0x2490 Code: bf 41 02 ba 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 RSP: 0018:ffff88806ce08e38 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000001 RDX: ffff888015967c01 RSI: ffff888015967c50 RDI: ffff888015967c50 RBP: ffff88806ce08f00 R08: 0000000000000001 R09: ffff88806ce08ee8 R10: 000000000003c001 R11: 000000000000774c R12: ffff88806ce08f08 R13: ffff88806ce08ef0 R14: ffff888015967c50 R15: ffff88806ce08ea8 FS: 00007f21f7d93700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa739f58998 CR3: 0000000015a06000 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_kmalloc+0x7f/0x90 __kmalloc_noprof+0x1f7/0x4b0 ieee802_11_parse_elems_full+0xec/0x15a0 ieee80211_inform_bss+0xf7/0x10b0 cfg80211_inform_single_bss_data+0x7fe/0x1c50 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x690 ieee80211_bss_info_update+0x2f6/0xa90 ieee80211_scan_rx+0x474/0xac0 ieee80211_rx_list+0x1e38/0x2840 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:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 66 0e a9 fc 48 89 ef e8 6e 81 a9 fc 80 e7 02 74 06 e8 e4 da d2 fc fb 65 ff 0d 54 7c 7c 7b <74> 07 5b 5d e9 a3 1e 00 00 0f 1f 44 00 00 5b 5d e9 97 1e 00 00 0f RSP: 0018:ffff888015967648 EFLAGS: 00000246 RAX: 000000000024e281 RBX: 0000000000000256 RCX: 1ffffffff0fe00cf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84872a6c RBP: ffff888009400a80 R08: 0000000000000001 R09: fffffbfff0fddff1 R10: ffffffff87eeff8f R11: 0000000000000000 R12: ffffea0000f38400 R13: ffff888009400a80 R14: ffff88803ce15500 R15: ffff888009404280 __slab_free+0x2a4/0x310 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_noprof+0x195/0x4b0 ops_init+0x77/0x650 setup_net+0x1d7/0x7a0 copy_net_ns+0x2e3/0x6f0 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x2704/0x8e90 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f21fa81db19 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:00007f21f7d93188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f21fa930f60 RCX: 00007f21fa81db19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f21fa877f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd369f522f R14: 00007f21f7d93300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 27 Comm: kworker/u10:0 Not tainted 6.12.0-next-20241126 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:unwind_next_frame+0x0/0x2490 Code: e9 09 ff ff ff e8 00 59 77 00 e9 67 ff ff ff e8 f6 58 77 00 e9 3a ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 41 57 48 89 fa 49 89 ff RSP: 0018:ffff8880097677a0 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffffffff813f2420 RCX: 0000000000000001 RDX: 1ffff110012ecf20 RSI: ffffffff838ee9ea RDI: ffff8880097677a8 RBP: ffff888009767840 R08: 0000000000000001 R09: ffff8880097677e8 R10: 000000000003c001 R11: 00000000000226bb R12: ffff888009767870 R13: 0000000000000000 R14: ffff88800973d280 R15: ffff88803c0e5000 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7460a82ee0 CR3: 000000000d820000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 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 kfree_skbmem+0x18a/0x1f0 sk_skb_reason_drop+0x10e/0x1b0 ieee80211_iface_work+0x43c/0xe40 cfg80211_wiphy_work+0x38d/0x610 process_one_work+0x8ee/0x1a00 worker_thread+0x674/0xe70 kthread+0x2c2/0x3a0 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1a/0x30 ---------------- Code disassembly (best guess): 0: bf 41 02 ba 08 mov $0x8ba0241,%edi 5: 00 00 add %al,(%rax) 7: 00 4c 89 ff add %cl,-0x1(%rcx,%rcx,4) b: 49 01 c6 add %rax,%r14 e: 4c 89 f6 mov %r14,%rsi 11: e8 ca f1 ff ff callq 0xfffff1e0 16: 4d 8d 4f 40 lea 0x40(%r15),%r9 1a: 84 c0 test %al,%al 1c: 0f 84 a4 f6 ff ff je 0xfffff6c6 22: 4c 89 f7 mov %r14,%rdi 25: e8 b6 e9 ff ff callq 0xffffe9e0 * 2a: 49 8d 7f 50 lea 0x50(%r15),%rdi <-- trapping instruction 2e: 48 89 fa mov %rdi,%rdx 31: 48 89 c5 mov %rax,%rbp 34: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 3b: fc ff df 3e: 48 rex.W 3f: c1 .byte 0xc1