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 = 8 : extra_attr 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:0x8584caac, calc:0x63285cb5 Info: CKPT version = 48b305e4 Info: Checked valid nat_bits in checkpoint Info: checkpoint state = c5 : nat_bits crc compacted_summary unmount [ASSERT] (fsck_chk_inode_blk: 875) --> [0x6] wrong inline size:2147483686 [FSCK] Max image size: 62 MB, Free space: 15 MB [FSCK] Unreachable nat entries [Ok..] [0x0] [FSCK] SIT valid block bitmap checking [Ok..] [FSCK] Hard link checking for regular file [Ok..] [0x1] [FSCK] valid_block_count matching with CP [Ok..] [0xb] [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