Initilaize stat buffer passed to ->getattr() and ->fgetattr()

to zero in all cases.

Reported by Daniel Iwan.

2 files changed, 7 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index da3b11a..4c3d136 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -10,6 +10,11 @@
 	result in EINVAL when mounting the filesystem.  This also needs a
 	fix in the kernel.
 
+2014-03-26  Miklos Szeredi <miklos@szeredi.hu>
+
+	* Initilaize stat buffer passed to ->getattr() and ->fgetattr() to
+	zero in all cases.  Reported by Daniel Iwan
+
 2013-08-26  Miklos Szeredi <miklos@szeredi.hu>
 
 	* libfuse: Add missing includes.  This allows compiling fuse with
diff --git a/lib/fuse.c b/lib/fuse.c
index 7ba654a..fa0a814 100644
--- a/lib/fuse.c
+++ b/lib/fuse.c
@@ -2396,6 +2396,7 @@ static char *hidden_name(struct fuse *f, fuse_ino_t dir, const char *oldname,
 		if (res)
 			break;
 
+		memset(&buf, 0, sizeof(buf));
 		res = fuse_fs_getattr(f->fs, newpath, &buf);
 		if (res == -ENOENT)
 			break;
@@ -2769,6 +2770,7 @@ static void fuse_lib_setattr(fuse_req_t req, fuse_ino_t ino, struct stat *attr,
 	char *path;
 	int err;
 
+	memset(&buf, 0, sizeof(buf));
 	if (valid == FUSE_SET_ATTR_SIZE && fi != NULL &&
 	    f->fs->op.ftruncate && f->fs->op.fgetattr)
 		err = get_path_nullok(f, ino, &path);