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| author | Pedro F. Giffuni <pfg@FreeBSD.org> | 2022-12-17 18:19:51 +0000 |
|---|---|---|
| committer | Pedro F. Giffuni <pfg@FreeBSD.org> | 2022-12-17 18:19:51 +0000 |
| commit | 38389acc59fcb014c5c9beed06a6f13835808b89 (patch) | |
| tree | 0cbc662bae3f82f6fddddebb6776745cbf5de2dc /sys/fs/ext2fs | |
| parent | 4d903a1a74d9526aba4d177e89c10f97df5662f2 (diff) | |
| download | src-38389acc59fcb014c5c9beed06a6f13835808b89.tar.gz src-38389acc59fcb014c5c9beed06a6f13835808b89.zip | |
ext2fs: fix potential memory leak in ext4_ext_grow_indepth()
PR: 265071
Diffstat (limited to 'sys/fs/ext2fs')
| -rw-r--r-- | sys/fs/ext2fs/ext2_extents.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/fs/ext2fs/ext2_extents.c b/sys/fs/ext2fs/ext2_extents.c index 3d24db4b396b..17ae8655cddc 100644 --- a/sys/fs/ext2fs/ext2_extents.c +++ b/sys/fs/ext2fs/ext2_extents.c @@ -1099,8 +1099,10 @@ ext4_ext_grow_indepth(struct inode *ip, struct ext4_extent_path *path, return (error); bp = getblk(ip->i_devvp, fsbtodb(fs, newblk), fs->e2fs_bsize, 0, 0, 0); - if (!bp) + if (!bp) { + ext4_ext_blkfree(ip, newblk, 1, 0); return (EIO); + } /* Move top-level index/leaf into new block. */ memmove(bp->b_data, curpath->ep_header, sizeof(ip->i_data)); @@ -1116,8 +1118,10 @@ ext4_ext_grow_indepth(struct inode *ip, struct ext4_extent_path *path, ext2_extent_blk_csum_set(ip, bp->b_data); error = bwrite(bp); - if (error) + if (error) { + ext4_ext_blkfree(ip, newblk, 1, 0); goto out; + } bp = NULL; |