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-rw-r--r--fs/overlayfs/copy_up.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index 4382881b0709..500c555792ff 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -930,6 +930,13 @@ static int ovl_do_copy_up(struct ovl_copy_up_ctx *c)
goto out_free_fh;
} else {
/*
+ * c->dentry->d_name is stabilzed by ovl_copy_up_start(),
+ * because if we got here, it means that c->dentry has no upper
+ * alias and changing ->d_name means going through ovl_rename()
+ * that will call ovl_copy_up() on source and target dentry.
+ */
+ c->destname = c->dentry->d_name;
+ /*
* Mark parent "impure" because it may now contain non-pure
* upper
*/
@@ -1109,7 +1116,6 @@ static int ovl_copy_up_one(struct dentry *parent, struct dentry *dentry,
if (parent) {
ovl_path_upper(parent, &parentpath);
ctx.destdir = parentpath.dentry;
- ctx.destname = dentry->d_name;
err = vfs_getattr(&parentpath, &ctx.pstat,
STATX_ATIME | STATX_MTIME,