watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.5:8360] Modules linked in: irq event stamp: 2519771 hardirqs last enabled at (2519770): [] _raw_spin_unlock_irqrestore+0x2c/0x50 hardirqs last disabled at (2519771): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2518532): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2518535): [] irq_exit_rcu+0x94/0xc0 CPU: 1 UID: 0 PID: 8360 Comm: syz-executor.5 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:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 16 a6 ab fc 48 89 ef e8 0e 17 ac fc 80 e7 02 74 06 e8 24 26 d5 fc fb 65 ff 0d a4 54 7f 7b <74> 07 5b 5d e9 b3 1e 00 00 0f 1f 44 00 00 5b 5d e9 a7 1e 00 00 0f RSP: 0018:ffff88806cf09458 EFLAGS: 00000202 RAX: 00000000002672da RBX: 0000000000000282 RCX: 1ffffffff0fe310f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8484521c RBP: ffff88806cf293c0 R08: 0000000000000001 R09: fffffbfff0fda9e9 R10: ffffffff87ed4f4f R11: ffff88806cf29258 R12: ffff88800e73b000 R13: ffff88800e73b010 R14: ffff88803293bd00 R15: ffff88806cf09690 FS: 00007f1d90271700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556fa6ec58 CR3: 000000002f3e0000 CR4: 0000000000350ef0 Call Trace: 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:qlist_free_all+0x28/0x160 Code: 90 90 48 8b 07 48 85 c0 0f 84 41 01 00 00 41 57 41 56 41 55 49 89 fd 41 54 49 89 f4 55 53 eb 3e 48 63 95 c0 00 00 00 48 8b 18 <48> 89 ef 48 29 d0 48 89 c6 49 89 c6 e8 e7 f0 ff ff 49 89 c7 66 90 RSP: 0018:ffff88803efc7520 EFLAGS: 00000246 RAX: ffff88800d2d2a68 RBX: ffff88800dbfe5c8 RCX: ffffea000034b480 RDX: 0000000000000000 RSI: ffff888008c4f780 RDI: ffffffff8183f876 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fda9d9 R10: ffffffff87ed4ecf R11: 0000000000000000 R12: 0000000000000000 R13: ffff88803efc7558 R14: ffff88800d2d2818 R15: ffff88800d2d2818 kasan_quarantine_reduce+0x19c/0x230 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_lru_noprof+0x14c/0x3c0 ext4_alloc_inode+0x28/0x650 alloc_inode+0x63/0x240 new_inode+0x1c/0x190 __ext4_new_inode+0x2f1/0x4df0 ext4_create+0x2e3/0x4e0 lookup_open.isra.0+0x1133/0x1550 path_openat+0xc91/0x2980 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: 0033:0x7f1d92cfbb19 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:00007f1d90271188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f1d92e0ef60 RCX: 00007f1d92cfbb19 RDX: 00000000001010c2 RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007f1d92d55f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc619e954f R14: 00007f1d90271300 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: 18 53 48 sbb %dl,0x48(%rbx) 3: 89 f3 mov %esi,%ebx 5: 48 8b 74 24 10 mov 0x10(%rsp),%rsi a: e8 16 a6 ab fc callq 0xfcaba625 f: 48 89 ef mov %rbp,%rdi 12: e8 0e 17 ac fc callq 0xfcac1725 17: 80 e7 02 and $0x2,%bh 1a: 74 06 je 0x22 1c: e8 24 26 d5 fc callq 0xfcd52645 21: fb sti 22: 65 ff 0d a4 54 7f 7b decl %gs:0x7b7f54a4(%rip) # 0x7b7f54cd * 29: 74 07 je 0x32 <-- trapping instruction 2b: 5b pop %rbx 2c: 5d pop %rbp 2d: e9 b3 1e 00 00 jmpq 0x1ee5 32: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 37: 5b pop %rbx 38: 5d pop %rbp 39: e9 a7 1e 00 00 jmpq 0x1ee5 3e: 0f .byte 0xf