fsck.f2fs exited with status code 255 Info: MKFS version "Linux version 5.18.16-1rodete4-amd64 (glinux-team@google.com) (gcc-11 (Debian 11.3.0-5) 11.3.0, GNU ld (GNU Binutils for Debian) 2.39) #1 SMP PREEMPT_DYNAMIC Debian 5.18.16-1rodete4 (2022-10-21)" Info: FSCK version from "Linux version 5.18.16-1rodete4-amd64 (glinux-team@google.com) (gcc-11 (Debian 11.3.0-5) 11.3.0, GNU ld (GNU Binutils for Debian) 2.39) #1 SMP PREEMPT_DYNAMIC Debian 5.18.16-1rodete4 (2022-10-21)" to "Linux version 5.9.0-0.bpo.5-cloud-amd64 (debian-kernel@lists.debian.org) (gcc-8 (Debian 8.3.0-6) 8.3.0, GNU ld (GNU Binutils for Debian) 2.31.1) #1 SMP Debian 5.9.15-1~bpo10+1 (2020-12-31)" Info: superblock features = 1 : encrypt Info: superblock encrypt level = 0, salt = 00000000000000000000000000000000 Info: Segments per section = 1 Info: Sections per zone = 1 Info: total FS sectors = 131072 (64 MB) Invalid CP CRC: offset:4092, crc:0x4c38c8ca, calc:0x337e68e1 Info: CKPT version = 48b305e5 Info: Checked valid nat_bits in checkpoint Info: checkpoint state = 1c5 : trimmed nat_bits crc compacted_summary unmount [ASSERT] (__chk_dentries:1617) --> Bad dentry 0x1 with invalid NID/ino 0x800003 [FIX] (f2fs_check_hash_code:1466) --> Mismatch hash_code for "file0" [ed000000:ed13814a] [ASSERT] (fsck_chk_inode_blk:1114) --> ino: 0x4 dots: 1 [is_valid_ssa_data_blk: 313] summary_entry.nid [0xff08] [is_valid_ssa_data_blk: 315] summary_entry.version [0x0] [is_valid_ssa_data_blk: 317] summary_entry.ofs_in_node [0x2] [is_valid_ssa_data_blk: 319] parent nid [0x8] [is_valid_ssa_data_blk: 321] version from nat [0x0] [is_valid_ssa_data_blk: 322] idx in parent node [0x2] [is_valid_ssa_data_blk: 325] Target data block addr [0x3804] [ASSERT] (is_valid_ssa_data_blk: 326) --> Invalid data seg summary [ASSERT] (fsck_chk_data_blk:1864) --> summary data block is not valid. [0x8] [ASSERT] (fsck_chk_inode_blk:1037) --> ino: 0x8 has wrong ext: [pgofs:0, blk:14338, len:2147549187] [ASSERT] (fsck_chk_inode_blk:1044) --> ino: 0x8 has i_blocks: 00000004, but has 2 blocks [FSCK] Max image size: 62 MB, Free space: 15 MB [FSCK] Unreachable nat entries [Ok..] [0x0] [FSCK] SIT valid block bitmap checking [Fail] [FSCK] Hard link checking for regular file [Ok..] [0x1] [FSCK] valid_block_count matching with CP [Fail] [0x9] [FSCK] valid_node_count matching with CP (de lookup) [Ok..] [0x7] [FSCK] valid_node_count matching with CP (nat lookup) [Ok..] [0x7] [FSCK] valid_inode_count matched with CP [Ok..] [0x7] [FSCK] free segment_count matched with CP [Ok..] [0x12] [FSCK] next block offset is free [Ok..] [FSCK] fixing SIT types [FSCK] other corrupted bugs [Fail] Do you want to fix this partition? [Y/N] [ASSERT] (main:1200) ret2 >= 0