ffmpeg | branch: release/3.4 | Michael Niedermayer <mich...@niedermayer.cc> | Fri Oct 27 02:23:21 2017 +0200| [dccead84c658d8b11cd2b24b65ef5a394b993512] | committer: Michael Niedermayer
avcodec/aacdec_fixed: Fix integer overflow in apply_dependent_coupling_fixed() Fixes: runtime error: signed integer overflow: 623487 * 536870912 cannot be represented in type 'int' Fixes: 3594/clusterfuzz-testcase-minimized-4650622935629824 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 41d96af2a74cb5df50346b160067facd43149667) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=dccead84c658d8b11cd2b24b65ef5a394b993512 --- 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 5e9249ceea..d802f3834f 100644 --- a/libavcodec/aacdec_fixed.c +++ b/libavcodec/aacdec_fixed.c @@ -394,7 +394,7 @@ static void apply_dependent_coupling_fixed(AACContext *ac, for (k = offsets[i]; k < offsets[i + 1]; k++) { tmp = (int)(((int64_t)src[group * 128 + k] * c + \ (int64_t)0x1000000000) >> 37); - dest[group * 128 + k] += tmp * (1 << shift); + dest[group * 128 + k] += tmp * (1U << shift); } } } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
