ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Thu Oct 15 21:35:43 2020 +0200| [d1983628394e076001cc67d85656f9842b7282a3] | committer: Michael Niedermayer
avcodec/h264idct_template: Fix integer overflow in ff_h264_chroma422_dc_dequant_idct() Fixes: signed integer overflow: 241173056 + 1953511200 cannot be represented in type 'int' Fixes: 26086/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5068366420901888 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=d1983628394e076001cc67d85656f9842b7282a3 --- libavcodec/h264idct_template.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/h264idct_template.c b/libavcodec/h264idct_template.c index 5993ae2e6e..f19579a47c 100644 --- a/libavcodec/h264idct_template.c +++ b/libavcodec/h264idct_template.c @@ -278,7 +278,7 @@ void FUNCC(ff_h264_chroma422_dc_dequant_idct)(int16_t *_block, int qmul){ const int stride= 16*2; const int xStride= 16; int i; - int temp[8]; + unsigned temp[8]; static const uint8_t x_offset[2]={0, 16}; dctcoef *block = (dctcoef*)_block; _______________________________________________ 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".
