ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sat Nov 14 21:10:18 2020 +0100| [2eb641741766e98401f2a9d9a91c7afbdcb67d4b] | committer: Michael Niedermayer
avcodec/mv30: Use unsigned in idct_1d() Fixes: signed integer overflow: 2110302399 + 39074947 cannot be represented in type 'int' Fixes: 27330/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MV30_fuzzer-5664923153334272 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=2eb641741766e98401f2a9d9a91c7afbdcb67d4b --- libavcodec/mv30.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/mv30.c b/libavcodec/mv30.c index 9f28199478..59088d84f8 100644 --- a/libavcodec/mv30.c +++ b/libavcodec/mv30.c @@ -102,7 +102,7 @@ static void get_qtable(int16_t *table, int quant, const uint8_t *quant_tab) } } -static inline void idct_1d(int *blk, int step) +static inline void idct_1d(unsigned *blk, int step) { const unsigned t0 = blk[0 * step] + blk[4 * step]; const unsigned t1 = blk[0 * step] - blk[4 * step]; _______________________________________________ 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".
