Remounting filesystem read-only NILFS error (device loop0): nilfs_check_page: bad entry in directory #2: rec_len is smaller than minimal - offset=0, inode=0, rec_len=0, name_len=0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3608 at fs/nilfs2/dat.c:186 nilfs_dat_commit_end+0x56b/0x610 Modules linked in: CPU: 0 PID: 3608 Comm: syz-executor408 Not tainted 6.0.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:nilfs_dat_commit_end+0x56b/0x610 fs/nilfs2/dat.c:186 Code: 48 89 ee 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d e9 69 77 03 00 e8 f4 39 40 fe e8 ef 36 b9 fd e9 24 fd ff ff e8 e5 39 40 fe <0f> 0b e9 75 fc ff ff e8 d9 39 40 fe e8 d4 36 b9 fd 43 80 7c 25 00 RSP: 0018:ffffc900038af048 EFLAGS: 00010293 RAX: ffffffff83474f9b RBX: ffff888146d241a0 RCX: ffff88801e295880 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 00000026ae000002 RBP: 0000000000000003 R08: ffffffff83474c09 R09: ffffed100f2db59b R10: ffffed100f2db59b R11: 1ffff1100f2db59a R12: ffff888026aeca80 R13: ffffc900038af158 R14: ffff888074c60180 R15: 00000026ae000002 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0caf7fd1d0 CR3: 00000000272de000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nilfs_dat_commit_update+0x25/0x40 fs/nilfs2/dat.c:236 nilfs_direct_propagate+0x215/0x390 fs/nilfs2/direct.c:277 nilfs_bmap_propagate+0x6d/0x120 fs/nilfs2/bmap.c:337 nilfs_collect_file_data+0x49/0xc0 fs/nilfs2/segment.c:568 nilfs_segctor_apply_buffers+0x192/0x380 fs/nilfs2/segment.c:1012 nilfs_segctor_scan_file+0x842/0xaf0 fs/nilfs2/segment.c:1061 nilfs_segctor_collect_blocks fs/nilfs2/segment.c:1191 [inline] nilfs_segctor_collect fs/nilfs2/segment.c:1497 [inline] nilfs_segctor_do_construct+0x1ddc/0x6fe0 fs/nilfs2/segment.c:2039 nilfs_segctor_construct+0x143/0x8d0 fs/nilfs2/segment.c:2375 nilfs_segctor_write_out fs/nilfs2/segment.c:2697 [inline] nilfs_segctor_destroy fs/nilfs2/segment.c:2730 [inline] nilfs_detach_log_writer+0x537/0xbd0 fs/nilfs2/segment.c:2810 nilfs_put_super+0x4b/0x150 fs/nilfs2/super.c:468 generic_shutdown_super+0x128/0x300 fs/super.c:491 kill_block_super+0x79/0xd0 fs/super.c:1427 deactivate_locked_super+0xa7/0xf0 fs/super.c:332 cleanup_mnt+0x4ce/0x560 fs/namespace.c:1186 task_work_run+0x146/0x1c0 kernel/task_work.c:177 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x55e/0x20a0 kernel/exit.c:795 do_group_exit+0x23b/0x2f0 kernel/exit.c:925 __do_sys_exit_group kernel/exit.c:936 [inline] __se_sys_exit_group kernel/exit.c:934 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:934 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0caf784b49 Code: Unable to access opcode bytes at RIP 0x7f0caf784b1f. RSP: 002b:00007ffe93dbbc28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007f0caf7fc330 RCX: 00007f0caf784b49 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f0caf7f6e40 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0caf7fc330 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001