[Libguestfs] [PATCH] inspection: handle empty file in parse_suse_release

If /etc/SuSE-release is empty then lines[0] is NULL, which is passed to strdup. As a result virt-inspector will segfault. This was introduced in commit 763ec36cf0c6ffa6d359b65ff7f1ee9ab1c7361e. Signed-off-by: Olaf Hering <olaf(a)aepfle.de&gt; --- src/inspect-fs-unix.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/inspect-fs-unix.c b/src/inspect-fs-unix.c index 5fabaa2..c7d52c4 100644 --- a/src/inspect-fs-unix.c +++ b/src/inspect-fs-unix.c @@ -339,6 +339,8 @@ parse_suse_release (guestfs_h *g, struct inspect_fs *fs, const char *filename) return -1; /* First line is dist release name */ + if (lines[0] == NULL) + goto out; fs->product_name = safe_strdup (g, lines[0]); if (fs->product_name == NULL) goto out;