Fixes: Assertion failure Fixes: 37463/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-4914693494931456
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/h264_parser.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/h264_parser.c b/libavcodec/h264_parser.c index 01ea016409..47cc1d5c78 100644 --- a/libavcodec/h264_parser.c +++ b/libavcodec/h264_parser.c @@ -87,7 +87,7 @@ static int h264_find_frame_end(H264ParseContext *p, const uint8_t *buf, i = next_avc; for (j = 0; j < p->nal_length_size; j++) nalsize = (nalsize << 8) | buf[i++]; - if (!nalsize || nalsize > buf_size - i) { + if (!nalsize || i > buf_size || nalsize > buf_size - i) { av_log(logctx, AV_LOG_ERROR, "AVC-parser: nal size %"PRIu32" " "remaining %d\n", nalsize, buf_size - i); return buf_size; -- 2.17.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
