FAT-fs (loop3): error, fat_get_cluster: invalid start cluster (i_pos 1, start b8c2ccac) FAT-fs (loop3): Filesystem has been set read-only EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.4:6276] Modules linked in: irq event stamp: 2265477 hardirqs last enabled at (2265476): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2265477): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2261648): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2261683): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 6276 Comm: syz-executor.4 Not tainted 6.12.0-next-20241128 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__read_once_word_nocheck+0x0/0x10 Code: 61 77 00 e9 c0 fc ff ff e8 6d 61 77 00 e9 79 fc ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <48> 8b 07 e9 68 a2 72 03 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffff88806cf09060 EFLAGS: 00000202 RAX: ffff88806cf0a001 RBX: 0000000000000002 RCX: 0000000000000002 RDX: ffff88806cf09e01 RSI: ffff88806cf09e40 RDI: ffff88806cf09e40 RBP: ffff88806cf09130 R08: ffffffff86bbef06 R09: ffff88806cf09118 R10: 000000000003c001 R11: 00000000000b9649 R12: ffff88806cf09138 R13: ffff88806cf09120 R14: ffff88806cf09e48 R15: ffff88806cf090d8 FS: 00007f9d454e8700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055cdc947c978 CR3: 0000000015f88000 CR4: 0000000000350ef0 Call Trace: unwind_next_frame+0xa75/0x2490 arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 __kmalloc_noprof+0x37e/0x4b0 cfg80211_inform_single_bss_data+0x4f1/0x1c70 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+0x96/0x160 Code: 0f 82 e0 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 e0 cd f1 03 48 01 ca 48 c1 ea 0c 48 c1 e2 06 48 03 15 be cd f1 03 48 8b 72 08 <48> 89 d1 40 f6 c6 01 0f 85 a1 00 00 00 66 90 80 79 33 f5 ba 00 00 RSP: 0018:ffff88803f64f720 EFLAGS: 00000282 RAX: ffff888018ff9100 RBX: ffff888018ff9100 RCX: ffff888098ff9100 RDX: ffffea000063fe40 RSI: ffffea000063fe01 RDI: 0000000000080000 RBP: 0000000000000000 R08: ffff8880097bca68 R09: 00000000000d000b R10: ffffea000025ef00 R11: 00000000000007e0 R12: 0000000000000000 R13: ffff88803f64f758 R14: ffff8880097bca68 R15: ffff8880097bca68 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 alloc_buffer_head+0x24/0x130 folio_alloc_buffers+0x289/0x540 create_empty_buffers+0x30/0x460 ext4_block_write_begin+0x996/0xb20 ext4_da_write_begin+0x30e/0x880 generic_perform_write+0x284/0x7e0 ext4_buffered_write_iter+0x11d/0x3c0 ext4_file_write_iter+0x95e/0x18e0 vfs_write+0xbdb/0x10a0 ksys_write+0x122/0x240 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9d47f72b19 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:00007f9d454e8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f9d48085f60 RCX: 00007f9d47f72b19 RDX: 00000000000292e9 RSI: 0000000020000080 RDI: 0000000000000008 RBP: 00007f9d47fccf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcfdab7c5f R14: 00007f9d454e8300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 6237 Comm: syz-executor.0 Not tainted 6.12.0-next-20241128 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_release+0x2df/0x6f0 Code: 83 6d 22 20 66 f7 45 22 e0 ff 0f 85 17 01 00 00 4c 89 ca 44 8b 64 24 50 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 <84> c0 74 08 3c 03 0f 8e bc 02 00 00 48 89 ea 45 89 a7 38 0a 00 00 RSP: 0018:ffff88806ce096e8 EFLAGS: 00000016 RAX: 0000000000000000 RBX: 1ffff1100d9c12df RCX: 0000000000000000 RDX: 1ffff11007e124b7 RSI: ffff88806ce2ce58 RDI: ffff88803f092682 RBP: ffff88803f092660 R08: 0000000000000001 R09: ffff88803f0925b8 R10: ffffffff863f9f17 R11: 0000000000000000 R12: 0000000000000004 R13: ffffffff814070f4 R14: 0000000000000005 R15: ffff88803f091b80 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055cdc93e9010 CR3: 00000000155a6000 CR4: 0000000000350ef0 Call Trace: _raw_spin_unlock_irqrestore+0x1a/0x50 __hrtimer_run_queues+0x4c4/0xa80 hrtimer_interrupt+0x369/0x830 __sysvec_apic_timer_interrupt+0xc2/0x330 sysvec_apic_timer_interrupt+0x34/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:lock_acquire.part.0+0x10e/0x320 Code: b6 c9 e8 65 a6 ff ff b8 ff ff ff ff 48 83 c4 28 65 0f c1 05 9c 49 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:ffff88806ce09a58 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff1100d9c134e RCX: 1ffff1100d9c1333 RDX: 1ffff11007e124b7 RSI: 0000000000000001 RDI: 0000000075eab062 RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff0fdddec R10: ffffffff87eeef67 R11: ffffffff81520ed7 R12: ffffffff85c161c0 R13: ffff888015283318 R14: ffff888015280e78 R15: ffff88806ce09b98 ieee80211_bss_info_update+0x1c0/0xa90 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:write_comp_data+0x46/0xa0 Code: 74 1d a9 00 00 0f 00 75 16 a9 00 00 f0 00 74 05 e9 1f 34 35 03 8b 82 ec 14 00 00 85 c0 75 05 e9 10 34 35 03 8b 82 c8 14 00 00 <83> f8 03 75 f0 48 8b 82 d0 14 00 00 8b 92 cc 14 00 00 4c 8b 08 48 RSP: 0018:ffff88804023f300 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffffff85c6dc40 RCX: ffffffff81528365 RDX: ffff88803f091b80 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff0fdddec R10: 0000000000000001 R11: 00000000000c3a23 R12: 00007fac3e2e3b19 R13: 0000000000000000 R14: ffff88803f091b80 R15: ffff888012f765a0 __is_insn_slot_addr+0x165/0x290 kernel_text_address+0x5b/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 __kasan_record_aux_stack+0x8c/0xa0 __call_rcu_common.constprop.0+0x6a/0xaa0 kmem_cache_free+0x2ae/0x470 ___pte_free_tlb+0x1d/0x1c0 free_pgd_range+0x7be/0x1260 free_pgtables+0x619/0x8e0 exit_mmap+0x3a2/0xac0 mmput+0xd5/0x390 do_exit+0x9ae/0x2a40 do_group_exit+0xd3/0x2a0 get_signal+0x2240/0x2320 arch_do_signal_or_restart+0x81/0x780 syscall_exit_to_user_mode+0x123/0x1e0 do_syscall_64+0xcc/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fac3e2e3b19 Code: Unable to access opcode bytes at 0x7fac3e2e3aef. RSP: 002b:00007fac3b838218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007fac3e3f7028 RCX: 00007fac3e2e3b19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007fac3e3f702c RBP: 00007fac3e3f7020 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 00007fac3e3f702c R13: 00007fffb764a65f R14: 00007fac3b838300 R15: 0000000000022000 syz_tun: left promiscuous mode ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 77 00 ja 0x2 2: e9 c0 fc ff ff jmpq 0xfffffcc7 7: e8 6d 61 77 00 callq 0x776179 c: e9 79 fc ff ff jmpq 0xfffffc8a 11: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 18: 00 19: 90 nop 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: 48 8b 07 mov (%rdi),%rax <-- trapping instruction 2c: e9 68 a2 72 03 jmpq 0x372a299 31: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 38: 00 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop