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-rw-r--r--libavformat/utils.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c
index 1b23a00f51..e38a01c17a 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -469,6 +469,12 @@ int av_open_input_file(AVFormatContext **ic_ptr, const char *filename,
/* read probe data */
pd->buf= av_realloc(pd->buf, probe_size + AVPROBE_PADDING_SIZE);
pd->buf_size = get_buffer(pb, pd->buf, probe_size);
+
+ if ((int)pd->buf_size < 0) {
+ err = pd->buf_size;
+ goto fail;
+ }
+
memset(pd->buf+pd->buf_size, 0, AVPROBE_PADDING_SIZE);
if (url_fseek(pb, 0, SEEK_SET) < 0) {
url_fclose(pb);