diff options
| author | Emoly Liu <emoly@whamcloud.com> | 2023-07-14 10:59:58 +1000 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2024-02-08 10:47:08 -0500 |
| commit | 633ab26eefe1b037eaba82d9a3555eb712c82345 (patch) | |
| tree | fe515d99a65ed6ba6f2c3cfbc400fa95c260fa1d | |
| parent | 1ac0061609c69cc9fe01bd116915632c2bc7c497 (diff) | |
| download | e2fsprogs-633ab26eefe1b037eaba82d9a3555eb712c82345.tar.gz | |
e2image: correct group descriptors size in ext2fs_image_super_read()
In function ext2fs_image_super_read(), the size of block group
descriptors should be (fs->blocksize * fs->desc_blocks), but not
(fs->blocksize * fs->group_desc_count).
Signed-off-by: Emoly Liu <emoly@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Link: https://lore.kernel.org/r/20230714005958.442487-1-dongyangli@ddn.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
| -rw-r--r-- | lib/ext2fs/imager.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/ext2fs/imager.c b/lib/ext2fs/imager.c index 23290a6a2..16b09770c 100644 --- a/lib/ext2fs/imager.c +++ b/lib/ext2fs/imager.c @@ -299,7 +299,7 @@ errcode_t ext2fs_image_super_read(ext2_filsys fs, int fd, ssize_t actual, size; errcode_t retval; - size = (ssize_t)fs->blocksize * (fs->group_desc_count + 1); + size = (ssize_t)fs->blocksize * (fs->desc_blocks + 1); buf = malloc(size); if (!buf) return ENOMEM; @@ -323,7 +323,7 @@ errcode_t ext2fs_image_super_read(ext2_filsys fs, int fd, memcpy(fs->super, buf, SUPERBLOCK_SIZE); memcpy(fs->group_desc, buf + fs->blocksize, - (ssize_t)fs->blocksize * fs->group_desc_count); + (ssize_t)fs->blocksize * fs->desc_blocks); retval = 0; |