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authorMichael Niedermayer <michael@niedermayer.cc>2018-02-18 16:55:52 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2018-02-27 19:59:58 +0100
commit6648d3fef6b07f3ec0b60ec4b5ec08aa5e1964ca (patch)
treed9fba18f5139afc12a33459328a567538b9c1d8c
parentafc85dacba4be4b91e2e1ca5df31f55fb94b44d6 (diff)
downloadffmpeg-6648d3fef6b07f3ec0b60ec4b5ec08aa5e1964ca.tar.gz
avcodec/aacdec_templat: Fix integer overflow in apply_ltp()
Fixes: signed integer overflow: -1625276744 + -1041893960 cannot be represented in type 'int' Fixes: 5948/clusterfuzz-testcase-minimized-5791479856365568 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 33fe17bdc88d51a8e0c87aa1e8011aaaf38a7a90) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavcodec/aacdec_template.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/aacdec_template.c b/libavcodec/aacdec_template.c
index 3cb8f32403..f21d215c9e 100644
--- a/libavcodec/aacdec_template.c
+++ b/libavcodec/aacdec_template.c
@@ -2496,7 +2496,7 @@ static void apply_ltp(AACContext *ac, SingleChannelElement *sce)
for (sfb = 0; sfb < FFMIN(sce->ics.max_sfb, MAX_LTP_LONG_SFB); sfb++)
if (ltp->used[sfb])
for (i = offsets[sfb]; i < offsets[sfb + 1]; i++)
- sce->coeffs[i] += predFreq[i];
+ sce->coeffs[i] += (UINTFLOAT)predFreq[i];
}
}