watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.6:11228] Modules linked in: irq event stamp: 4570711 hardirqs last enabled at (4570710): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (4570711): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (4555802): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (4555813): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 11228 Comm: syz-executor.6 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:cfg80211_find_elem_match+0x5f/0x1e0 Code: 24 08 eb 15 e8 b2 0f 1d fd 48 8b 6c 24 08 41 0f b6 dd 48 03 1c 24 48 29 dd 48 89 ee bf 01 00 00 00 e8 f5 12 1d fd 48 83 fd 01 <0f> 8e 2a 01 00 00 e8 86 0f 1d fd 4c 8d 63 01 48 b9 00 00 00 00 00 RSP: 0018:ffff88806cf09730 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffff88804099d293 RCX: ffffffff8434f16b RDX: ffff888035c99b80 RSI: 0000000000000001 RDI: 0000000000000007 RBP: 0000000000000009 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000009 R11: 00000000000c3893 R12: ffff88804099d28e R13: 0000000000000004 R14: 0000000000000004 R15: 0000000000000047 FS: 00007f43178dd700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000040920000 CR4: 0000000000350ef0 Call Trace: cfg80211_inform_bss_data+0x2ed/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:__slab_free+0x7f/0x310 Code: c1 e8 1f 4d 85 ed 66 89 5c 24 58 41 89 c6 41 0f 94 c2 66 85 db 74 05 45 84 d2 74 05 45 84 f6 74 42 41 8b 7f 08 4c 8b 4c 24 58 <4c> 89 ea 4c 89 e6 4c 8b 44 24 20 e8 91 a0 ff ff 84 c0 74 9d 4c 89 RSP: 0018:ffff8880323c7b50 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00000000000d000b RCX: 00000000000d000c RDX: ffff88800e0ca6f0 RSI: ffffea0000383280 RDI: 0000000000089800 RBP: ffff8880323c7bf0 R08: 0000000000000001 R09: 00000000000d000b R10: ffffea0000383200 R11: 00000000000007e0 R12: ffffea0000383280 R13: ffff88800e0ca4a0 R14: 0000000000000000 R15: ffff888008c4f780 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __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 alloc_file_clone+0x5f/0x110 create_pipe_files+0x417/0x840 do_pipe2+0x96/0x1b0 __x64_sys_pipe2+0x54/0x80 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f431a367b19 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:00007f43178dd188 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 RAX: ffffffffffffffda RBX: 00007f431a47af60 RCX: 00007f431a367b19 RDX: 0000000000000000 RSI: 0000000000084800 RDI: 0000000020000240 RBP: 00007f431a3c1f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffef9c8c85f R14: 00007f43178dd300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 SELinux: Context unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 is not valid (left unmapped). lo: entered promiscuous mode lo: entered allmulticast mode loop4: detected capacity change from 0 to 140 EXT4-fs error (device loop4): __ext4_fill_super:5505: inode #2: comm syz-executor.4: iget: checksum invalid EXT4-fs (loop4): get root inode failed EXT4-fs (loop4): mount failed loop4: detected capacity change from 0 to 140 EXT4-fs error (device loop4): __ext4_fill_super:5505: inode #2: comm syz-executor.4: iget: checksum invalid EXT4-fs (loop4): get root inode failed EXT4-fs (loop4): mount failed loop4: detected capacity change from 0 to 140 netlink: 232 bytes leftover after parsing attributes in process `syz-executor.1'. EXT4-fs error (device loop4): __ext4_fill_super:5505: inode #2: comm syz-executor.4: iget: checksum invalid EXT4-fs (loop4): get root inode failed EXT4-fs (loop4): mount failed loop4: detected capacity change from 0 to 140 EXT4-fs error (device loop4): __ext4_fill_super:5505: inode #2: comm syz-executor.4: iget: checksum invalid EXT4-fs (loop4): get root inode failed EXT4-fs (loop4): mount failed pci 0000:00:02.0: vgaarb: VGA decodes changed: olddecodes=io+mem,decodes=none:owns=io+mem pci 0000:00:02.0: vgaarb: VGA decodes changed: olddecodes=none,decodes=none:owns=io+mem loop7: detected capacity change from 0 to 40 futex_wake_op: syz-executor.3 tries to shift op by 1536; fix this program loop4: detected capacity change from 0 to 140 EXT4-fs error (device loop4): __ext4_fill_super:5505: inode #2: comm syz-executor.4: iget: checksum invalid EXT4-fs (loop4): get root inode failed EXT4-fs (loop4): mount failed futex_wake_op: syz-executor.3 tries to shift op by 1536; fix this program futex_wake_op: syz-executor.3 tries to shift op by 1536; fix this program ---------------- Code disassembly (best guess): 0: 24 08 and $0x8,%al 2: eb 15 jmp 0x19 4: e8 b2 0f 1d fd callq 0xfd1d0fbb 9: 48 8b 6c 24 08 mov 0x8(%rsp),%rbp e: 41 0f b6 dd movzbl %r13b,%ebx 12: 48 03 1c 24 add (%rsp),%rbx 16: 48 29 dd sub %rbx,%rbp 19: 48 89 ee mov %rbp,%rsi 1c: bf 01 00 00 00 mov $0x1,%edi 21: e8 f5 12 1d fd callq 0xfd1d131b 26: 48 83 fd 01 cmp $0x1,%rbp * 2a: 0f 8e 2a 01 00 00 jle 0x15a <-- trapping instruction 30: e8 86 0f 1d fd callq 0xfd1d0fbb 35: 4c 8d 63 01 lea 0x1(%rbx),%r12 39: 48 rex.W 3a: b9 00 00 00 00 mov $0x0,%ecx