diff options
| -rw-r--r-- | fs/f2fs/super.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 8315016914e8..232e2fc63274 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -3716,6 +3716,7 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi) block_t user_block_count, valid_user_blocks; block_t avail_node_count, valid_node_count; unsigned int nat_blocks, nat_bits_bytes, nat_bits_blocks; + unsigned int sit_blk_cnt; int i, j; total = le32_to_cpu(raw_super->segment_count); @@ -3827,6 +3828,13 @@ skip_cross: return 1; } + sit_blk_cnt = DIV_ROUND_UP(main_segs, SIT_ENTRY_PER_BLOCK); + if (sit_bitmap_size * 8 < sit_blk_cnt) { + f2fs_err(sbi, "Wrong bitmap size: sit: %u, sit_blk_cnt:%u", + sit_bitmap_size, sit_blk_cnt); + return 1; + } + cp_pack_start_sum = __start_sum_addr(sbi); cp_payload = __cp_payload(sbi); if (cp_pack_start_sum < cp_payload + 1 || |