watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.2:5066] Modules linked in: irq event stamp: 2796293 hardirqs last enabled at (2796292): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2796293): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2758206): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2758209): [] irq_exit_rcu+0x94/0xc0 CPU: 0 UID: 0 PID: 5066 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:__sanitizer_cov_trace_const_cmp8+0x0/0x20 Code: 0c 24 89 f2 89 fe bf 05 00 00 00 e9 1a fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 48 89 f2 48 89 fe bf 07 00 00 00 e9 e8 fd RSP: 0018:ffff88806ce09478 EFLAGS: 00000246 RAX: ffff8880367edb9c RBX: ffff8880367edb74 RCX: 0000000000000000 RDX: ffff888015859b80 RSI: 0000000000000028 RDI: 0000000000000001 RBP: 0000000000000028 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff81518787 R12: ffff8880367edb74 R13: 0000000000000028 R14: dffffc0000000000 R15: 0000000000000003 FS: 00007f810eb58700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555561ca0c58 CR3: 000000000dcd6000 CR4: 0000000000350ef0 Call Trace: cfg80211_find_elem_match+0x5b/0x1e0 cfg80211_get_ies_channel_number+0xba/0x540 cfg80211_inform_single_bss_data+0xb4d/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:lock_acquire.part.0+0x10e/0x320 Code: b6 c9 e8 35 a7 ff ff b8 ff ff ff ff 48 83 c4 28 65 0f c1 05 2c 88 d2 7e 83 f8 01 0f 85 aa 01 00 00 48 85 ed 0f 85 9b 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7 RSP: 0018:ffff888036c17370 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff11006d82e71 RCX: 1ffff11006d82e56 RDX: 1ffff11002b0b4b7 RSI: 0000000000000001 RDI: 0000000028411610 RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff0fda9d4 R10: ffffffff87ed4ea7 R11: 0000000000000000 R12: ffff88806ce41518 R13: 000000000003a5b0 R14: 0000000000000003 R15: ffffea0000e96c00 _raw_spin_trylock+0x46/0x60 free_unref_page+0x34d/0xc40 __put_partials+0xd8/0x110 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19c/0x230 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 jbd2__journal_start+0x193/0x6b0 __ext4_journal_start_sb+0x183/0x600 __ext4_new_inode+0x2d15/0x4df0 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: 0033:0x7f81115e2b19 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:00007f810eb58188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f81116f5f60 RCX: 00007f81115e2b19 RDX: 00000000001010c2 RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007f811163cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffca222cd9f R14: 00007f810eb58300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 EXT4-fs warning (device sda): verify_group_input:136: Cannot add at group 0 (only 16 groups) lo: entered promiscuous mode lo: left promiscuous mode lo: entered promiscuous mode lo: entered promiscuous mode lo: left promiscuous mode lo: entered promiscuous mode lo: left promiscuous mode lo: entered promiscuous mode ---------------- Code disassembly (best guess): 0: 0c 24 or $0x24,%al 2: 89 f2 mov %esi,%edx 4: 89 fe mov %edi,%esi 6: bf 05 00 00 00 mov $0x5,%edi b: e9 1a fe ff ff jmpq 0xfffffe2a 10: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 17: 00 00 00 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop 27: 90 nop 28: 90 nop 29: 90 nop * 2a: f3 0f 1e fa endbr64 <-- trapping instruction 2e: 48 8b 0c 24 mov (%rsp),%rcx 32: 48 89 f2 mov %rsi,%rdx 35: 48 89 fe mov %rdi,%rsi 38: bf 07 00 00 00 mov $0x7,%edi 3d: e9 .byte 0xe9 3e: e8 .byte 0xe8 3f: fd std