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ANDROID: overlayfs: readdir override_creds=off option bypass creator_cred

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ovl_revert_creds calls missing.

Addendum to commit 6120a4d780
("FROMLIST: overlayfs: override_creds=off option bypass creator_cred")

Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Bug: 169988379
Fixes: 48bd024b8a ("ovl: switch to mounter creds in readdir")
Change-Id: Ib351a453cca7fb5a2d87c60212f4ab0a420deb98
This commit is contained in:
Mark Salyzyn
2020-10-05 05:24:21 -07:00
parent 114c58d041
commit 8e1bb022dd
1 changed files with 2 additions and 2 deletions
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4
fs/overlayfs/readdir.c
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@@ -795,7 +795,7 @@ static int ovl_iterate(struct file *file, struct dir_context *ctx)
}
err = 0;
out:
revert_creds(old_cred);
ovl_revert_creds(dentry->d_sb, old_cred);
return err;
}
@@ -847,7 +847,7 @@ static struct file *ovl_dir_open_realfile(struct file *file,
old_cred = ovl_override_creds(file_inode(file)->i_sb);
res = ovl_path_open(realpath, O_RDONLY | (file->f_flags & O_LARGEFILE));
revert_creds(old_cred);
ovl_revert_creds(file_inode(file)->i_sb, old_cred);
return res;
}