ffmpeg | branch: release/2.8 | Michael Niedermayer <mich...@niedermayer.cc> | Wed Nov 20 20:34:55 2019 +0100| [300739d5893d97436ec4e17048ca28b7c9db2d0d] | committer: Michael Niedermayer
avcodec/wmaprodec: Fixes integer overflow with 32bit samples Fixes: left shift of 1 by 31 places cannot be represented in type 'int' Fixes: 18860/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WMAPRO_fuzzer-5755223125786624 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit a9cc69c0d59057ea172a107e0308fdf5fd8fc04e) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=300739d5893d97436ec4e17048ca28b7c9db2d0d --- libavcodec/wmaprodec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/wmaprodec.c b/libavcodec/wmaprodec.c index 3aa3e6350a..b3f4c8f59a 100644 --- a/libavcodec/wmaprodec.c +++ b/libavcodec/wmaprodec.c @@ -471,7 +471,7 @@ static av_cold int decode_init(AVCodecContext *avctx) for (i = 0; i < WMAPRO_BLOCK_SIZES; i++) ff_mdct_init(&s->mdct_ctx[i], WMAPRO_BLOCK_MIN_BITS+1+i, 1, 1.0 / (1 << (WMAPRO_BLOCK_MIN_BITS + i - 1)) - / (1 << (s->bits_per_sample - 1))); + / (1ll << (s->bits_per_sample - 1))); /** init MDCT windows: simple sine window */ for (i = 0; i < WMAPRO_BLOCK_SIZES; i++) { _______________________________________________ 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".