Warning: Permanently added '10.128.1.25' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 54.704635] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program [ 54.802829] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program [ 54.927138] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program [ 55.025457] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program executing program [ 55.133897] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program [ 55.213500] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 55.302835] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program [ 55.409521] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program [ 55.513097] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program executing program [ 55.633361] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 55.724732] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program [ 55.833300] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue executing program [ 55.943738] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 55.974009] ------------[ cut here ]------------ [ 55.978950] kernel BUG at fs/ext4/inode.c:2794! [ 55.984086] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 55.989456] CPU: 0 PID: 8260 Comm: syz-executor202 Not tainted 4.19.211-syzkaller #0 [ 55.997309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 56.006651] RIP: 0010:ext4_writepages+0x2d31/0x37f0 [ 56.011644] Code: 00 fc ff df 44 89 64 24 18 48 c1 ea 03 80 3c 02 00 0f 84 25 da ff ff 48 8b 3c 24 e8 89 2d b8 ff e9 17 da ff ff e8 8f 50 82 ff <0f> 0b 4c 8b b4 24 20 01 00 00 e8 80 50 82 ff 0f b6 ac 24 50 02 00 [ 56.030530] RSP: 0018:ffff888091fff588 EFLAGS: 00010293 [ 56.035877] RAX: ffff888091fe4500 RBX: 0000000000000001 RCX: ffffffff81e03070 [ 56.043129] RDX: 0000000000000000 RSI: ffffffff81e034e1 RDI: 0000000000000007 [ 56.050463] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.057709] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000001 [ 56.064963] R13: dffffc0000000000 R14: ffff88808b0913f0 R15: 0000000000000000 [ 56.072242] FS: 00007facdd7af700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 56.080448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.086307] CR2: 0000000020001700 CR3: 00000000aa9e3000 CR4: 00000000003406f0 [ 56.093563] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.100908] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.108170] Call Trace: [ 56.110768] ? ext4_mark_iloc_dirty+0x1b0d/0x2b30 [ 56.115598] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 56.120684] ? ext4_mark_inode_dirty+0x870/0x870 [ 56.125420] ? __ext4_handle_dirty_metadata+0x1e0/0x590 [ 56.130775] ? __brelse+0x84/0xa0 [ 56.134217] ? __lock_acquire+0x6de/0x3ff0 [ 56.138445] ? ext4_chunk_trans_blocks+0x30/0x30 [ 56.143188] ? __ext4_journal_get_write_access+0x6c/0xa0 [ 56.148622] ? mark_held_locks+0xf0/0xf0 [ 56.152666] ? ext4_mark_inode_dirty+0x222/0x870 [ 56.157399] ? ext4_expand_extra_isize+0x500/0x500 [ 56.162309] ? ext4_mark_inode_dirty+0x870/0x870 [ 56.167042] do_writepages+0xe5/0x290 [ 56.170822] ? page_writeback_cpu_online+0x10/0x10 [ 56.175729] ? do_raw_spin_unlock+0x171/0x230 [ 56.180206] ? _raw_spin_unlock+0x29/0x40 [ 56.184332] ? wbc_attach_and_unlock_inode+0x11d/0x9e0 [ 56.189587] __filemap_fdatawrite_range+0x27d/0x350 [ 56.194851] ? delete_from_page_cache_batch+0xcc0/0xcc0 [ 56.200290] ? generic_perform_write+0x36c/0x4d0 [ 56.205027] file_write_and_wait_range+0x93/0x100 [ 56.209855] __generic_file_fsync+0x74/0x1f0 [ 56.214250] ext4_sync_file+0xa35/0x1420 [ 56.218292] ? ext4_getfsmap+0x980/0x980 [ 56.222334] vfs_fsync_range+0x13a/0x220 [ 56.226374] ext4_file_write_iter+0x726/0xf20 [ 56.230850] ? ext4_file_open+0x600/0x600 [ 56.234978] ? mark_held_locks+0xf0/0xf0 [ 56.239019] ? __fdget_pos+0x26f/0x310 [ 56.242902] __vfs_write+0x51b/0x770 [ 56.246614] ? common_file_perm+0x4e5/0x850 [ 56.250930] ? kernel_read+0x110/0x110 [ 56.254809] ? check_preemption_disabled+0x41/0x280 [ 56.259820] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 56.264821] vfs_write+0x1f3/0x540 [ 56.268354] ksys_write+0x12b/0x2a0 [ 56.271965] ? __ia32_sys_read+0xb0/0xb0 [ 56.276015] ? trace_hardirqs_off_caller+0x6e/0x210 [ 56.281023] ? do_syscall_64+0x21/0x620 [ 56.284984] do_syscall_64+0xf9/0x620 [ 56.288769] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.293942] RIP: 0033:0x7face5a24789 [ 56.298331] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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 b8 ff ff ff f7 d8 64 89 01 48 [ 56.317209] RSP: 002b:00007facdd7af2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.324894] RAX: ffffffffffffffda RBX: 00007face5aaa7b0 RCX: 00007face5a24789 [ 56.332139] RDX: 0000000000000020 RSI: 0000000020000040 RDI: 0000000000000004 [ 56.339384] RBP: 00007face5a76c48 R08: 00007facdd7af700 R09: 0000000000000000 [ 56.346632] R10: 00007facdd7af700 R11: 0000000000000246 R12: 00007face5a760c0 [ 56.353882] R13: 0030656c69662f2e R14: 006d635f616d6472 R15: 00007face5aaa7b8 [ 56.361131] Modules linked in: [ 56.365405] ---[ end trace d80ec0cf95b18c62 ]--- [ 56.370259] RIP: 0010:ext4_writepages+0x2d31/0x37f0 [ 56.375510] Code: 00 fc ff df 44 89 64 24 18 48 c1 ea 03 80 3c 02 00 0f 84 25 da ff ff 48 8b 3c 24 e8 89 2d b8 ff e9 17 da ff ff e8 8f 50 82 ff <0f> 0b 4c 8b b4 24 20 01 00 00 e8 80 50 82 ff 0f b6 ac 24 50 02 00 [ 56.394519] RSP: 0018:ffff888091fff588 EFLAGS: 00010293 [ 56.399928] RAX: ffff888091fe4500 RBX: 0000000000000001 RCX: ffffffff81e03070 [ 56.407259] RDX: 0000000000000000 RSI: ffffffff81e034e1 RDI: 0000000000000007 [ 56.414618] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.421938] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000001 [ 56.429240] R13: dffffc0000000000 R14: ffff88808b0913f0 R15: 0000000000000000 [ 56.436601] FS: 00007facdd7af700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 56.444889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.450779] CR2: 00007fe864039038 CR3: 00000000aa9e3000 CR4: 00000000003406f0 [ 56.458116] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.466345] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.473666] Kernel panic - not syncing: Fatal exception [ 56.479194] Kernel Offset: disabled [ 56.482802] Rebooting in 86400 seconds..