ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sun Sep 5 21:24:17 2021 +0200| [2d36d2fbd775fa9e2a92b1225b1964c5a8499df3] | committer: Michael Niedermayer
avcodec/h264_parser: Fix nalsize check 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> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=2d36d2fbd775fa9e2a92b1225b1964c5a8499df3 --- libavcodec/h264_parser.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavcodec/h264_parser.c b/libavcodec/h264_parser.c index 01ea016409..cff801f613 100644 --- a/libavcodec/h264_parser.c +++ b/libavcodec/h264_parser.c @@ -83,12 +83,12 @@ static int h264_find_frame_end(H264ParseContext *p, const uint8_t *buf, for (i = 0; i < buf_size; i++) { if (i >= next_avc) { - uint32_t nalsize = 0; + int64_t nalsize = 0; i = next_avc; for (j = 0; j < p->nal_length_size; j++) nalsize = (nalsize << 8) | buf[i++]; if (!nalsize || nalsize > buf_size - i) { - av_log(logctx, AV_LOG_ERROR, "AVC-parser: nal size %"PRIu32" " + av_log(logctx, AV_LOG_ERROR, "AVC-parser: nal size %"PRId64" " "remaining %d\n", nalsize, buf_size - i); return buf_size; } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
