ffmpeg | branch: release/2.8 | Michael Niedermayer <[email protected]> | Thu Jun 14 16:41:49 2018 +0200| [e495910d4ca368be51fdc2ecc056ed0fb0ff2526] | committer: Michael Niedermayer
avcodec/aacdec_fixed: Fix undefined integer overflow in apply_independent_coupling_fixed() Fixes: signed integer overflow: 1195517 * 2048 cannot be represented in type 'int' Fixes: 8636/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_FIXED_fuzzer-4695836326887424 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <[email protected]> (cherry picked from commit 8bd514d9343746566b123275f8b6d0e9c11ec2b0) Signed-off-by: Michael Niedermayer <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e495910d4ca368be51fdc2ecc056ed0fb0ff2526 --- libavcodec/aacdec_fixed.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/aacdec_fixed.c b/libavcodec/aacdec_fixed.c index e0a54fffb4..40363ba6bb 100644 --- a/libavcodec/aacdec_fixed.c +++ b/libavcodec/aacdec_fixed.c @@ -433,7 +433,7 @@ static void apply_independent_coupling_fixed(AACContext *ac, else { for (i = 0; i < len; i++) { tmp = (int)(((int64_t)src[i] * c + (int64_t)0x1000000000) >> 37); - dest[i] += tmp * (1 << shift); + dest[i] += tmp * (1U << shift); } } } _______________________________________________ ffmpeg-cvslog mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
