Warning: Permanently added '10.128.0.155' (ECDSA) to the list of known hosts. executing program [ 55.521108][ T8394] loop0: detected capacity change from 0 to 512 [ 55.535878][ T8394] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 55.561952][ T37] audit: type=1800 audit(1623534766.080:2): pid=8394 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor475" name="file0" dev="loop0" ino=17 res=0 errno=0 [ 55.590162][ T8394] ------------[ cut here ]------------ [ 55.595724][ T8394] kernel BUG at fs/ext4/inode.c:2704! [ 55.602679][ T8394] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 55.608740][ T8394] CPU: 1 PID: 8394 Comm: syz-executor475 Not tainted 5.13.0-rc5-syzkaller #0 [ 55.617572][ T8394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.627604][ T8394] RIP: 0010:ext4_writepages+0x244d/0x3b70 [ 55.633319][ T8394] Code: e1 be 00 10 00 00 4c 89 ef 48 d3 ee ba 01 00 00 00 e8 57 23 fe ff 83 c0 01 89 84 24 bc 00 00 00 e9 2d e2 ff ff e8 73 d5 66 ff <0f> 0b e8 6c d5 66 ff 44 0f b6 a4 24 db 00 00 00 89 5c 24 08 e9 a7 [ 55.652906][ T8394] RSP: 0018:ffffc900019ff580 EFLAGS: 00010293 [ 55.658951][ T8394] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.666898][ T8394] RDX: ffff88801cad54c0 RSI: ffffffff820e071d RDI: 0000000000000003 [ 55.675020][ T8394] RBP: ffff888035bc5a08 R08: 0000000000000000 R09: ffff888035bc5a0f [ 55.683064][ T8394] R10: ffffffff820dfbf3 R11: 0000000000000000 R12: 0000000000000001 [ 55.691019][ T8394] R13: ffff888035bc5cf0 R14: ffffc900019ffa08 R15: ffff88801d9ea000 [ 55.698972][ T8394] FS: 0000000000865300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 55.707884][ T8394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.714446][ T8394] CR2: 00007ff50003d188 CR3: 000000002e66c000 CR4: 0000000000350ee0 [ 55.722398][ T8394] Call Trace: [ 55.725657][ T8394] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 55.731625][ T8394] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 55.737851][ T8394] ? mark_lock+0xef/0x17b0 [ 55.742250][ T8394] ? find_held_lock+0x2d/0x110 [ 55.746997][ T8394] ? lock_chain_count+0x20/0x20 [ 55.751832][ T8394] ? __ext4_mark_inode_dirty+0x8d0/0x8d0 [ 55.757445][ T8394] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 55.763670][ T8394] ? mark_buffer_dirty+0x145/0x5d0 [ 55.768760][ T8394] ? __ext4_handle_dirty_metadata+0x1f3/0x730 [ 55.774810][ T8394] ? __lock_acquire+0x16a7/0x5230 [ 55.779910][ T8394] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 55.785873][ T8394] ? __ext4_mark_inode_dirty+0x23c/0x8d0 [ 55.791484][ T8394] ? find_held_lock+0x2d/0x110 [ 55.796232][ T8394] ? __ext4_mark_inode_dirty+0x8d0/0x8d0 [ 55.801845][ T8394] do_writepages+0xec/0x290 [ 55.806334][ T8394] ? writeback_set_ratelimit+0x150/0x150 [ 55.811947][ T8394] ? do_raw_spin_lock+0x120/0x2b0 [ 55.817036][ T8394] ? do_raw_spin_unlock+0x171/0x230 [ 55.822216][ T8394] ? _raw_spin_unlock+0x24/0x40 [ 55.827054][ T8394] ? wbc_attach_and_unlock_inode+0x117/0x9e0 [ 55.833023][ T8394] __filemap_fdatawrite_range+0x2a5/0x390 [ 55.838726][ T8394] ? delete_from_page_cache_batch+0xe20/0xe20 [ 55.844777][ T8394] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 55.851106][ T8394] ? generic_perform_write+0x383/0x4f0 [ 55.856642][ T8394] file_write_and_wait_range+0xb2/0x120 [ 55.862165][ T8394] ext4_sync_file+0x21f/0xfd0 [ 55.866827][ T8394] ? ext4_getfsmap+0x990/0x990 [ 55.871575][ T8394] vfs_fsync_range+0x13a/0x220 [ 55.876319][ T8394] ext4_buffered_write_iter+0x36a/0x4d0 [ 55.881845][ T8394] ? lock_chain_count+0x20/0x20 [ 55.888345][ T8394] ext4_file_write_iter+0x423/0x14e0 [ 55.893689][ T8394] ? ext4_buffered_write_iter+0x4d0/0x4d0 [ 55.899455][ T8394] ? aa_path_link+0x2f0/0x2f0 [ 55.904173][ T8394] ? __lock_acquire+0x16a7/0x5230 [ 55.910457][ T8394] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 55.916485][ T8394] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 55.922770][ T8394] new_sync_write+0x426/0x650 [ 55.927428][ T8394] ? new_sync_read+0x6e0/0x6e0 [ 55.932170][ T8394] ? lock_release+0x720/0x720 [ 55.936827][ T8394] ? apparmor_file_permission+0x26e/0x4e0 [ 55.942530][ T8394] vfs_write+0x796/0xa30 [ 55.946751][ T8394] ksys_write+0x12d/0x250 [ 55.951059][ T8394] ? __ia32_sys_read+0xb0/0xb0 [ 55.955806][ T8394] ? syscall_enter_from_user_mode+0x27/0x70 [ 55.961683][ T8394] do_syscall_64+0x3a/0xb0 [ 55.966080][ T8394] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 55.971954][ T8394] RIP: 0033:0x443dc9 [ 55.975823][ T8394] 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 c0 ff ff ff f7 d8 64 89 01 48 [ 55.995511][ T8394] RSP: 002b:00007ffef54952a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.003904][ T8394] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 0000000000443dc9 [ 56.011856][ T8394] RDX: 0000000000000082 RSI: 0000000020000180 RDI: 0000000000000004 [ 56.020178][ T8394] RBP: 0000000000403660 R08: 00000000004004a0 R09: 00000000004004a0 [ 56.028133][ T8394] R10: 00000000004004a0 R11: 0000000000000246 R12: 00000000004036f0 [ 56.036093][ T8394] R13: 0000000000000000 R14: 00000000004b2018 R15: 00000000004004a0 [ 56.044046][ T8394] Modules linked in: [ 56.067690][ T8394] ---[ end trace e0abbb4b21cfac7f ]--- [ 56.073527][ T8394] RIP: 0010:ext4_writepages+0x244d/0x3b70 [ 56.079918][ T8394] Code: e1 be 00 10 00 00 4c 89 ef 48 d3 ee ba 01 00 00 00 e8 57 23 fe ff 83 c0 01 89 84 24 bc 00 00 00 e9 2d e2 ff ff e8 73 d5 66 ff <0f> 0b e8 6c d5 66 ff 44 0f b6 a4 24 db 00 00 00 89 5c 24 08 e9 a7 [ 56.099578][ T8394] RSP: 0018:ffffc900019ff580 EFLAGS: 00010293 [ 56.105632][ T8394] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.113617][ T8394] RDX: ffff88801cad54c0 RSI: ffffffff820e071d RDI: 0000000000000003 [ 56.121844][ T8394] RBP: ffff888035bc5a08 R08: 0000000000000000 R09: ffff888035bc5a0f [ 56.129821][ T8394] R10: ffffffff820dfbf3 R11: 0000000000000000 R12: 0000000000000001 [ 56.137779][ T8394] R13: ffff888035bc5cf0 R14: ffffc900019ffa08 R15: ffff88801d9ea000 [ 56.145767][ T8394] FS: 0000000000865300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 56.154715][ T8394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.161316][ T8394] CR2: 00007f205933e000 CR3: 000000002e66c000 CR4: 0000000000350ef0 [ 56.169330][ T8394] Kernel panic - not syncing: Fatal exception [ 56.181199][ T8394] Kernel Offset: disabled [ 56.185502][ T8394] Rebooting in 86400 seconds..