diff options
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 449b09498ddb..879ff1b22357 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2293,6 +2293,7 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi) unsigned int sit_bitmap_size, nat_bitmap_size; unsigned int log_blocks_per_seg; unsigned int segment_count_main; + unsigned int cp_pack_start_sum, cp_payload; block_t user_block_count; int i; @@ -2353,6 +2354,17 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi) return 1; } + cp_pack_start_sum = __start_sum_addr(sbi); + cp_payload = __cp_payload(sbi); + if (cp_pack_start_sum < cp_payload + 1 || + cp_pack_start_sum > blocks_per_seg - 1 - + NR_CURSEG_TYPE) { + f2fs_msg(sbi->sb, KERN_ERR, + "Wrong cp_pack_start_sum: %u", + cp_pack_start_sum); + return 1; + } + if (unlikely(f2fs_cp_error(sbi))) { f2fs_msg(sbi->sb, KERN_ERR, "A bug case: need to run fsck"); return 1; |