watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.2:10103] Modules linked in: irq event stamp: 2818195 hardirqs last enabled at (2818194): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2818195): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2809326): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2809335): [] irq_exit_rcu+0x94/0xc0 CPU: 1 UID: 0 PID: 10103 Comm: syz-executor.2 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:__virt_addr_valid+0x135/0x5d0 Code: 9a 6e 03 41 bc 00 00 08 00 eb c6 e8 e5 a5 3b 00 49 89 ec 49 c1 ec 23 e9 a4 02 00 00 41 bd 00 00 02 00 e8 ce a5 3b 00 4c 89 ee <4c> 89 e7 e8 63 a8 3b 00 4d 39 ec 0f 83 21 04 00 00 e8 b5 a5 3b 00 RSP: 0018:ffff88806cf093a8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000005 RCX: ffffffff8115d613 RDX: ffff88800f273700 RSI: 0000000000000800 RDI: 0000000000000006 RBP: 000000002e42dc80 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000080000 R11: dd6c604830043200 R12: 0000000000000000 R13: 0000000000000800 R14: ffff88802e42dc80 R15: ffff88806cf09690 FS: 00007f81e8c4a700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d324000 CR3: 00000000330b0000 CR4: 0000000000350ef0 Call Trace: kasan_addr_to_slab+0xd/0xa0 __kasan_record_aux_stack+0xe/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+0x21ec/0x2cf0 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 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:ffff88803f1478c0 EFLAGS: 00000246 RAX: 00000000002addf5 RBX: ffffea0000271a40 RCX: 1ffffffff0fdca53 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8183f876 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fda9d9 R10: ffffffff87ed4ecf R11: 0000000000000000 R12: ffff88806cf40350 R13: 0000000000000200 R14: 0000000000000000 R15: ffff888009c69128 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 alloc_empty_file+0x76/0x1e0 path_openat+0xe1/0x2980 do_filp_open+0x1b8/0x410 do_sys_openat2+0x164/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f81eb687a04 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:00007f81e8c4a060 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f81eb7e7f60 RCX: 00007f81eb687a04 RDX: 0000000000000002 RSI: 00007f81e8c4a0f0 RDI: 00000000ffffff9c RBP: 00007f81e8c4a0f0 R08: 0000000000000000 R09: 00007f81e8c49f70 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007ffda2c2c72f R14: 00007f81e8c4a300 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), 1 bytes skipped: 0: 6e outsb %ds:(%rsi),(%dx) 1: 03 41 bc add -0x44(%rcx),%eax 4: 00 00 add %al,(%rax) 6: 08 00 or %al,(%rax) 8: eb c6 jmp 0xffffffd0 a: e8 e5 a5 3b 00 callq 0x3ba5f4 f: 49 89 ec mov %rbp,%r12 12: 49 c1 ec 23 shr $0x23,%r12 16: e9 a4 02 00 00 jmpq 0x2bf 1b: 41 bd 00 00 02 00 mov $0x20000,%r13d 21: e8 ce a5 3b 00 callq 0x3ba5f4 26: 4c 89 ee mov %r13,%rsi * 29: 4c 89 e7 mov %r12,%rdi <-- trapping instruction 2c: e8 63 a8 3b 00 callq 0x3ba894 31: 4d 39 ec cmp %r13,%r12 34: 0f 83 21 04 00 00 jae 0x45b 3a: e8 b5 a5 3b 00 callq 0x3ba5f4