git: 38389acc59fc - main - ext2fs: fix potential memory leak in ext4_ext_grow_indepth()

The branch main has been updated by pfg:

URL: https://cgit.FreeBSD.org/src/commit/?id=38389acc59fcb014c5c9beed06a6f13835808b89

commit 38389acc59fcb014c5c9beed06a6f13835808b89
Author:     Pedro F. Giffuni <pfg@FreeBSD.org>
AuthorDate: 2022-12-17 18:19:51 +0000
Commit:     Pedro F. Giffuni <pfg@FreeBSD.org>
CommitDate: 2022-12-17 18:19:51 +0000

    ext2fs: fix potential memory leak in ext4_ext_grow_indepth()
    
    PR:     265071
---
 sys/fs/ext2fs/ext2_extents.c | 8 ++++++--
 1 file 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;