[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.102' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.492232] F2FS-fs (loop0): invalid crc value [ 36.500271] F2FS-fs (loop0): Found nat_bits in checkpoint [ 36.536716] F2FS-fs (loop0): Cannot turn on quotas: -2 on 1 [ 36.542515] F2FS-fs (loop0): Cannot turn on quotas: -2 on 2 [ 36.550328] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4 [ 36.564255] F2FS-fs (loop0): access invalid blkaddr:62 [ 36.569673] ------------[ cut here ]------------ [ 36.575804] WARNING: CPU: 1 PID: 8094 at fs/f2fs/checkpoint.c:166 f2fs_is_valid_blkaddr+0x35d/0xa20 [ 36.585001] Kernel panic - not syncing: panic_on_warn set ... [ 36.585001] [ 36.592370] CPU: 1 PID: 8094 Comm: syz-executor365 Not tainted 4.19.211-syzkaller #0 [ 36.600245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 36.609602] Call Trace: [ 36.612178] dump_stack+0x1fc/0x2ef [ 36.615791] panic+0x26a/0x50e [ 36.618966] ? __warn_printk+0xf3/0xf3 [ 36.622855] ? f2fs_is_valid_blkaddr+0x35d/0xa20 [ 36.627611] ? __probe_kernel_read+0x130/0x1b0 [ 36.632171] ? __warn.cold+0x5/0x5a [ 36.635779] ? __warn+0xe4/0x200 [ 36.639128] ? f2fs_is_valid_blkaddr+0x35d/0xa20 [ 36.643866] __warn.cold+0x20/0x5a [ 36.647416] ? io_schedule_timeout+0x140/0x140 [ 36.651979] ? f2fs_is_valid_blkaddr+0x35d/0xa20 [ 36.656717] report_bug+0x262/0x2b0 [ 36.660330] do_error_trap+0x1d7/0x310 [ 36.664200] ? math_error+0x310/0x310 [ 36.667984] ? __irq_work_queue_local+0x101/0x160 [ 36.672813] ? irq_work_queue+0x29/0x80 [ 36.676769] ? error_entry+0x72/0xd0 [ 36.680467] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.685466] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.690293] invalid_op+0x14/0x20 [ 36.693731] RIP: 0010:f2fs_is_valid_blkaddr+0x35d/0xa20 [ 36.699077] Code: 7a 06 00 00 48 8b 7d 00 44 89 e1 48 c7 c2 40 1a a8 88 48 c7 c6 e0 18 a8 88 e8 bf fa fd ff 48 c7 c7 80 1a a8 88 e8 fe 34 de 04 <0f> 0b 45 31 ed e9 3f fe ff ff e8 84 03 4d fe 48 8d bd 40 01 00 00 [ 36.717958] RSP: 0018:ffff888092a57558 EFLAGS: 00010282 [ 36.723299] RAX: 0000000000000024 RBX: 0000000000000005 RCX: 0000000000000000 [ 36.730553] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed101254ae9d [ 36.737807] RBP: ffff8880aee04140 R08: 0000000000000024 R09: 0000000000000000 [ 36.745061] R10: 0000000000000005 R11: 0000000000000000 R12: 000000000000003e [ 36.752309] R13: 0000000000000001 R14: 0000000000001000 R15: 0000000000000200 [ 36.759747] ? vprintk_func+0x81/0x180 [ 36.763623] ? f2fs_is_valid_blkaddr+0x35d/0xa20 [ 36.768362] f2fs_submit_page_bio+0x138/0x1580 [ 36.772928] ? page_cache_tree_insert+0x3f0/0x3f0 [ 36.777753] ? check_preemption_disabled+0x41/0x280 [ 36.782754] read_node_page+0x496/0x630 [ 36.786712] ? truncate_node+0x10c0/0x10c0 [ 36.790934] ? add_to_page_cache_lru+0x259/0x680 [ 36.795689] ? add_to_page_cache_locked+0x40/0x40 [ 36.800517] ? pagecache_get_page+0x1c4/0xd50 [ 36.804998] __get_node_page.part.0+0x9b/0x14b0 [ 36.809652] f2fs_get_node_page+0x109/0x1a0 [ 36.813957] f2fs_iget+0x22a/0x4ce0 [ 36.817578] f2fs_lookup+0x41b/0x1140 [ 36.821374] ? __recover_dot_dentries+0x870/0x870 [ 36.826198] ? __d_lookup+0x411/0x710 [ 36.829982] ? d_lookup+0x18e/0x250 [ 36.833591] ? __recover_dot_dentries+0x870/0x870 [ 36.838414] lookup_open+0x698/0x1a20 [ 36.842202] ? vfs_mkdir+0x7a0/0x7a0 [ 36.845898] ? lookup_fast+0x4e9/0x1080 [ 36.849856] ? path_openat+0x17ec/0x2df0 [ 36.853901] path_openat+0x1804/0x2df0 [ 36.857776] ? path_lookupat+0x8d0/0x8d0 [ 36.861818] ? mark_held_locks+0xf0/0xf0 [ 36.865859] ? mark_held_locks+0xf0/0xf0 [ 36.869904] ? __lock_acquire+0x6de/0x3ff0 [ 36.874122] do_filp_open+0x18c/0x3f0 [ 36.877903] ? may_open_dev+0xf0/0xf0 [ 36.881689] ? lock_downgrade+0x720/0x720 [ 36.885816] ? lock_acquire+0x170/0x3c0 [ 36.889771] ? __alloc_fd+0x34/0x570 [ 36.893475] ? do_raw_spin_unlock+0x171/0x230 [ 36.897975] ? _raw_spin_unlock+0x29/0x40 [ 36.902120] ? __alloc_fd+0x28d/0x570 [ 36.905912] do_sys_open+0x3b3/0x520 [ 36.909614] ? filp_open+0x70/0x70 [ 36.913140] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.918487] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.923491] ? do_syscall_64+0x21/0x620 [ 36.927453] do_syscall_64+0xf9/0x620 [ 36.931241] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.936443] RIP: 0033:0x7fec2693b919 [ 36.940139] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 36.959024] RSP: 002b:00007ffc4c9cc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 36.966720] RAX: ffffffffffffffda RBX: 0032656c69662f2e RCX: 00007fec2693b919 [ 36.973980] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 [ 36.981259] RBP: 00007fec268fb1b0 R08: 00007ffc4c9cc180 R09: 0000000000000000 [ 36.988527] R10: 00007ffc4c9cc180 R11: 0000000000000246 R12: 00007fec268fb240 [ 36.995786] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 37.003352] Kernel Offset: disabled [ 37.007016] Rebooting in 86400 seconds..