syz-executor.1: attempt to access beyond end of device loop1: rw=4096, sector=2, nr_sectors = 2 limit=0 EXT4-fs (loop1): unable to read superblock netlink: 'syz-executor.3': attribute type 7 has an invalid length. watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.6:9739] Modules linked in: irq event stamp: 2637413 hardirqs last enabled at (2637412): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2637413): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2635608): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2635619): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 9739 Comm: syz-executor.6 Not tainted 6.13.0-rc3-next-20241220 #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 f6 f1 a5 fc 48 89 ef e8 7e 60 a6 fc 80 e7 02 74 06 e8 b4 77 cf fc fb 65 ff 0d 54 5b 59 7b <74> 07 5b 5d e9 a3 1e 00 00 0f 1f 44 00 00 5b 5d e9 97 1e 00 00 0f RSP: 0018:ffff88806ce09470 EFLAGS: 00000202 RAX: 0000000000283e18 RBX: 0000000000000286 RCX: 1ffffffff0fe818f RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff84aa4bac RBP: ffff88806ce36e60 R08: 0000000000000001 R09: fffffbfff0fdfbf9 R10: ffffffff87efdfcf R11: 0000000000000001 R12: ffff888015266000 R13: ffff888015266010 R14: ffff8880153f5000 R15: ffff88806ce096a8 FS: 00007f3691f30700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555584522c58 CR3: 00000000163d0000 CR4: 0000000000350ef0 Call Trace: cfg80211_update_known_bss+0x3c9/0x11e0 __cfg80211_bss_update+0xe0/0x1fe0 cfg80211_inform_single_bss_data+0x6e5/0x1c70 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: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 77 f0 ff ff 49 89 c7 66 90 RSP: 0018:ffff88800cfdfa70 EFLAGS: 00000246 RAX: ffff88800dde1128 RBX: ffff88800edfe818 RCX: ffffea0000377840 RDX: 0000000000000000 RSI: ffff888008c4f780 RDI: 0000000000080000 RBP: ffff888008c4f780 R08: ffff88800edfe940 R09: 00000000000d000b R10: ffffea00003b7f00 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88800cfdfaa8 R14: ffff88800edfe940 R15: ffff88800edfe940 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 security_inode_alloc+0x3e/0x130 inode_init_always_gfp+0xc94/0xff0 alloc_inode+0x89/0x240 iget_locked+0x288/0x780 kernfs_get_inode+0x46/0x470 kernfs_iop_lookup+0x1ec/0x330 lookup_one_qstr_excl+0x125/0x190 filename_create+0x1da/0x4a0 do_mkdirat+0x9b/0x350 __x64_sys_mkdirat+0x84/0xb0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f36949dbb19 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:00007f3691f30188 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f3694aef020 RCX: 00007f36949dbb19 RDX: 00000000000001ff RSI: 00000000200001c0 RDI: ffffffffffffff9c RBP: 00007f3694a35f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd072107bf R14: 00007f3691f30300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 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 f6 f1 a5 fc callq 0xfca5f205 f: 48 89 ef mov %rbp,%rdi 12: e8 7e 60 a6 fc callq 0xfca66095 17: 80 e7 02 and $0x2,%bh 1a: 74 06 je 0x22 1c: e8 b4 77 cf fc callq 0xfccf77d5 21: fb sti 22: 65 ff 0d 54 5b 59 7b decl %gs:0x7b595b54(%rip) # 0x7b595b7d * 29: 74 07 je 0x32 <-- trapping instruction 2b: 5b pop %rbx 2c: 5d pop %rbp 2d: e9 a3 1e 00 00 jmpq 0x1ed5 32: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 37: 5b pop %rbx 38: 5d pop %rbp 39: e9 97 1e 00 00 jmpq 0x1ed5 3e: 0f .byte 0xf