watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.1:16361] Modules linked in: irq event stamp: 2756729 hardirqs last enabled at (2756728): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2756729): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2753236): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2753241): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 16361 Comm: syz-executor.1 Not tainted 6.13.0-rc1-next-20241203 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x20/0x2490 Code: 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 41 57 48 89 fa 49 89 ff 41 56 48 c1 ea 03 41 55 41 54 <55> 53 48 83 ec 38 0f b6 04 02 84 c0 74 08 3c 03 0f 8e ef 09 00 00 RSP: 0018:ffff88806cf08db0 EFLAGS: 00000216 RAX: dffffc0000000000 RBX: ffffffff813f01a0 RCX: 0000000000000001 RDX: 1ffff1100d9e11bb RSI: ffffffff8184901d RDI: ffff88806cf08dd8 RBP: ffff88806cf08e70 R08: 0000000000000001 R09: ffff88806cf08e18 R10: 000000000003c001 R11: 0000000000023d2a R12: ffff88806cf08ea0 R13: 0000000000000000 R14: ffff88800a380000 R15: ffff88806cf08dd8 FS: 00007fa8068e4700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa8068e3ff8 CR3: 0000000044f64000 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_slab_alloc+0x59/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 __kmalloc_noprof+0x37e/0x4b0 ieee802_11_parse_elems_full+0xec/0x15a0 ieee80211_inform_bss+0xf7/0x10b0 cfg80211_inform_single_bss_data+0x7fe/0x1c70 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x6a0 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: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 d4 b5 ab ff 4d 85 ed 74 06 e8 3a 76 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:ffff888040dc7c40 EFLAGS: 00000246 RAX: 00000000002a02d7 RBX: ffffea0000548080 RCX: 1ffffffff0fe02ae RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81846dc6 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fde1e9 R10: ffffffff87ef0f4f R11: 0000000000000000 R12: ffff88806cf40390 R13: 0000000000000200 R14: 0000000000000000 R15: ffff888015202818 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/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: 0033:0x7fa809321a04 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:00007fa8068e4060 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fa809481f60 RCX: 00007fa809321a04 RDX: 0000000000000002 RSI: 00007fa8068e40f0 RDI: 00000000ffffff9c RBP: 00007fa8068e40f0 R08: 0000000000000000 R09: 00007fa8068e3f70 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007ffcd937911f R14: 00007fa8068e4300 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: 90 nop 1: 90 nop 2: 90 nop 3: 90 nop 4: 90 nop 5: 90 nop 6: 90 nop 7: 90 nop 8: 90 nop 9: 90 nop a: f3 0f 1e fa endbr64 e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 15: fc ff df 18: 41 57 push %r15 1a: 48 89 fa mov %rdi,%rdx 1d: 49 89 ff mov %rdi,%r15 20: 41 56 push %r14 22: 48 c1 ea 03 shr $0x3,%rdx 26: 41 55 push %r13 28: 41 54 push %r12 * 2a: 55 push %rbp <-- trapping instruction 2b: 53 push %rbx 2c: 48 83 ec 38 sub $0x38,%rsp 30: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 34: 84 c0 test %al,%al 36: 74 08 je 0x40 38: 3c 03 cmp $0x3,%al 3a: 0f 8e ef 09 00 00 jle 0xa2f