diff options
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 013c6a541d6b..7e0c002c12e9 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1405,6 +1405,13 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi, return 1; } + if (le32_to_cpu(raw_super->segment_count) > F2FS_MAX_SEGMENT) { + f2fs_msg(sb, KERN_INFO, + "Invalid segment count (%u)", + le32_to_cpu(raw_super->segment_count)); + return 1; + } + /* check CP/SIT/NAT/SSA/MAIN_AREA area boundary */ if (sanity_check_area_boundary(sbi, bh)) return 1; |