Range check in MediaScanner::processDirectory
Make sure we don't have an empty string before checking if it's a
directory since this string is tainted.
Change-Id: I5eb310ced58c3c64a7af2d11b80326efe5adbcab
diff --git a/media/libmedia/MediaScanner.cpp b/media/libmedia/MediaScanner.cpp
index f201667..43762e7 100644
--- a/media/libmedia/MediaScanner.cpp
+++ b/media/libmedia/MediaScanner.cpp
@@ -58,7 +58,7 @@
int pathRemaining = PATH_MAX - pathLength;
strcpy(pathBuffer, path);
- if (pathBuffer[pathLength - 1] != '/') {
+ if (pathLength > 0 && pathBuffer[pathLength - 1]) {
pathBuffer[pathLength] = '/';
pathBuffer[pathLength + 1] = 0;
--pathRemaining;