diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-10-27 02:23:21 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-01-31 22:56:14 +0100 |
| commit | 9d4ad2dbfdc770f1cab85a7b176024924303be6b (patch) | |
| tree | 32c6caf25c68d2ff548a8d57c0cf6ffdd52a14b5 | |
| parent | 9ef0472b265abd2aa38a33145e3a618307e05bb0 (diff) | |
| download | ffmpeg-9d4ad2dbfdc770f1cab85a7b176024924303be6b.tar.gz | |
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 <michael@niedermayer.cc>
(cherry picked from commit 41d96af2a74cb5df50346b160067facd43149667)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/aacdec_fixed.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/aacdec_fixed.c b/libavcodec/aacdec_fixed.c index 81dcafa7a9..f9df4197c5 100644 --- a/libavcodec/aacdec_fixed.c +++ b/libavcodec/aacdec_fixed.c @@ -393,7 +393,7 @@ 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); } } } |