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| author | Zhihao Cheng <chengzhihao1@huawei.com> | 2020-03-03 17:40:23 +0800 |
|---|---|---|
| committer | Richard Weinberger <richard@nod.at> | 2020-03-30 23:02:30 +0200 |
| commit | 927cc5cec35f01fe4f8af0ba80830a90b0533983 (patch) | |
| tree | 8d206565084960f6bf30d5c697a59f93fb7811e1 /fs/ubifs | |
| parent | 81423c78551654953d746250f1721300b470be0e (diff) | |
| download | linux-927cc5cec35f01fe4f8af0ba80830a90b0533983.tar.bz2 | |
ubifs: ubifs_add_orphan: Fix a memory leak bug
Memory leak occurs when files with extended attributes are added to
orphan list.
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Fixes: 988bec41318f3fa897e2f8 ("ubifs: orphan: Handle xattrs like files")
Signed-off-by: Richard Weinberger <richard@nod.at>
Diffstat (limited to 'fs/ubifs')
| -rw-r--r-- | fs/ubifs/orphan.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/ubifs/orphan.c b/fs/ubifs/orphan.c index 7dd740e3692d..283f9eb48410 100644 --- a/fs/ubifs/orphan.c +++ b/fs/ubifs/orphan.c @@ -157,7 +157,7 @@ int ubifs_add_orphan(struct ubifs_info *c, ino_t inum) int err = 0; ino_t xattr_inum; union ubifs_key key; - struct ubifs_dent_node *xent; + struct ubifs_dent_node *xent, *pxent = NULL; struct fscrypt_name nm = {0}; struct ubifs_orphan *xattr_orphan; struct ubifs_orphan *orphan; @@ -181,11 +181,16 @@ int ubifs_add_orphan(struct ubifs_info *c, ino_t inum) xattr_inum = le64_to_cpu(xent->inum); xattr_orphan = orphan_add(c, xattr_inum, orphan); - if (IS_ERR(xattr_orphan)) + if (IS_ERR(xattr_orphan)) { + kfree(xent); return PTR_ERR(xattr_orphan); + } + kfree(pxent); + pxent = xent; key_read(c, &xent->key, &key); } + kfree(pxent); return 0; } |