In ovl_lookup, the number of lowerstack entry is no bigger
than poe->numlower, so adjust memory allocation size for stack.
Signed-off-by: Chengguang Xu <cgxu519@xxxxxxx>
---
fs/overlayfs/namei.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c
index 2dba29e..81dbc3f 100644
--- a/fs/overlayfs/namei.c
+++ b/fs/overlayfs/namei.c
@@ -888,7 +888,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry,
if (!d.stop && poe->numlower) {
err = -ENOMEM;
- stack = kcalloc(ofs->numlower, sizeof(struct ovl_path),
+ stack = kcalloc(poe->numlower, sizeof(struct ovl_path),
GFP_KERNEL);
if (!stack)
goto out_put_upper;
--
1.8.3.1
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