ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Wed Jul 10 00:04:02 2019 +0200| [da93e2b14218c4ab0fda60e21882a4633aac5748] | committer: Michael Niedermayer
avcodec/aacdec_template: fix integer overflow in imdct_and_windowing() Fixes: signed integer overflow: 2147483645 + 4 cannot be represented in type 'int' Fixes: 15418/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-5685269069561856 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=da93e2b14218c4ab0fda60e21882a4633aac5748 --- libavcodec/aacdec_template.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/aacdec_template.c b/libavcodec/aacdec_template.c index 28765c768d..6e086e00df 100644 --- a/libavcodec/aacdec_template.c +++ b/libavcodec/aacdec_template.c @@ -2659,7 +2659,7 @@ static void imdct_and_windowing(AACContext *ac, SingleChannelElement *sce) ac->mdct.imdct_half(&ac->mdct, buf, in); #if USE_FIXED for (i=0; i<1024; i++) - buf[i] = (buf[i] + 4) >> 3; + buf[i] = (buf[i] + 4LL) >> 3; #endif /* USE_FIXED */ } _______________________________________________ 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".
