Fixes: left shift of 16711968 by 8 places cannot be represented in type 'int' Fixes: 36601/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-6581933285965824
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 d3c56cc188..22111c62a2 100644 --- a/libavcodec/h264_parser.c +++ b/libavcodec/h264_parser.c @@ -86,7 +86,7 @@ static int h264_find_frame_end(H264ParseContext *p, const uint8_t *buf, int nalsize = 0; i = next_avc; for (j = 0; j < p->nal_length_size; j++) - nalsize = (nalsize << 8) | buf[i++]; + nalsize = ((unsigned)nalsize << 8) | buf[i++]; if (nalsize <= 0 || nalsize > buf_size - i) { av_log(logctx, AV_LOG_ERROR, "AVC-parser: nal size %d 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".
