ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sun Apr 11 21:04:12 2021 +0200| [c093eb30311b7148a4da1c7555498187c8cdf0db] | committer: Michael Niedermayer
avcodec/dpx: Check bits_per_color earlier Fixes: shift exponent 251 is too large for 32-bit type 'int' Fixes: 32147/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DPX_fuzzer-5519111675314176 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=c093eb30311b7148a4da1c7555498187c8cdf0db --- libavcodec/dpx.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/dpx.c b/libavcodec/dpx.c index 5372e3d586..b02996f04c 100644 --- a/libavcodec/dpx.c +++ b/libavcodec/dpx.c @@ -242,6 +242,9 @@ static int decode_frame(AVCodecContext *avctx, return AVERROR_PATCHWELCOME; } + if (bits_per_color > 32) + return AVERROR_INVALIDDATA; + buf += 820; avctx->sample_aspect_ratio.num = read32(&buf, endian); avctx->sample_aspect_ratio.den = read32(&buf, endian); _______________________________________________ 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".
