watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.1:22077] Modules linked in: irq event stamp: 3063423 hardirqs last enabled at (3063422): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3063423): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3023104): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3023107): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 22077 Comm: syz-executor.1 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:in_gate_area_no_mm+0x25/0x80 Code: 90 90 90 90 90 66 0f 1f 00 41 54 55 53 48 89 fb e8 20 66 51 00 8b 2d ba 25 7d 04 bf 02 00 00 00 89 ee e8 3e 69 51 00 83 fd 02 <74> 24 e8 04 66 51 00 48 81 e3 00 f0 ff ff 48 c7 c7 00 00 60 ff 48 RSP: 0018:ffff88806ce09030 EFLAGS: 00000297 RAX: 0000000000000000 RBX: 00007f363173aa04 RCX: ffffffff81009af2 RDX: ffff888040003700 RSI: 0000000000000002 RDI: 0000000000000005 RBP: 0000000000000001 R08: ffffffff86bfbc7e R09: ffff88806ce090e8 R10: 0000000000000001 R11: 00000000000c3893 R12: ffff88806ce09170 R13: 0000000000000000 R14: ffff888040003700 R15: ffff88806ce096a8 FS: 00007f362ecfd700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f914b715994 CR3: 000000003f4ee000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: core_kernel_text+0x24/0xa0 kernel_text_address+0x11/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 __kasan_record_aux_stack+0x8c/0xa0 kvfree_call_rcu+0x29/0x980 cfg80211_update_known_bss+0x3c9/0x11e0 __cfg80211_bss_update+0xe0/0x1fe0 cfg80211_inform_single_bss_data+0x6e2/0x1c50 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:__might_resched+0x333/0x510 Code: f3 ff 9c 58 f6 c4 02 0f 84 79 fd ff ff 65 4c 8b 2d 12 32 de 7e 48 b8 00 00 00 00 00 fc ff df 49 8d 7d 2c 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 86 RSP: 0018:ffff888034667bf0 EFLAGS: 00000213 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 1ffff110080006e5 RSI: 00000000ffffffff RDI: ffff88804000372c RBP: ffffffff85771c36 R08: 0000000000000000 R09: ffff888040004138 R10: ffffffff863fa397 R11: 00000000000c3893 R12: 0000000000000141 R13: ffff888040003700 R14: ffff888040003700 R15: ffffffff818f1ebf kmem_cache_alloc_noprof+0x2e4/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_noprof+0x300/0x3d0 getname_flags.part.0+0x48/0x550 getname+0x8f/0xd0 do_sys_openat2+0xec/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f363173aa04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007f362ecfd060 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f363189af60 RCX: 00007f363173aa04 RDX: 0000000000000002 RSI: 00007f362ecfd0f0 RDI: 00000000ffffff9c RBP: 00007f362ecfd0f0 R08: 0000000000000000 R09: 00007f362ecfcf70 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007ffe4547ecaf R14: 00007f362ecfd300 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): 0: 90 nop 1: 90 nop 2: 90 nop 3: 90 nop 4: 90 nop 5: 66 0f 1f 00 nopw (%rax) 9: 41 54 push %r12 b: 55 push %rbp c: 53 push %rbx d: 48 89 fb mov %rdi,%rbx 10: e8 20 66 51 00 callq 0x516635 15: 8b 2d ba 25 7d 04 mov 0x47d25ba(%rip),%ebp # 0x47d25d5 1b: bf 02 00 00 00 mov $0x2,%edi 20: 89 ee mov %ebp,%esi 22: e8 3e 69 51 00 callq 0x516965 27: 83 fd 02 cmp $0x2,%ebp * 2a: 74 24 je 0x50 <-- trapping instruction 2c: e8 04 66 51 00 callq 0x516635 31: 48 81 e3 00 f0 ff ff and $0xfffffffffffff000,%rbx 38: 48 c7 c7 00 00 60 ff mov $0xffffffffff600000,%rdi 3f: 48 rex.W