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[FFmpeg-devel,2/3] avcodec/mpegaudiodec_template: Fix runtime error: signed integer overflow: 2053224902 + 2053224902 cannot be represented in type 'int'

Message ID 20170301173125.29838-2-michael@niedermayer.cc
State Accepted
Commit 3b0b35150df4a9da75105662d145603151de6714
Headers show

Commit Message

Michael Niedermayer March 1, 2017, 5:31 p.m. UTC 
Fixes: 696/clusterfuzz-testcase-5853632270434304

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/mpegaudiodec_template.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Michael Niedermayer March 2, 2017, 10:39 p.m. UTC | #1 
On Wed, Mar 01, 2017 at 06:31:24PM +0100, Michael Niedermayer wrote:
> Fixes: 696/clusterfuzz-testcase-5853632270434304
> 
> Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> ---
>  libavcodec/mpegaudiodec_template.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

applied

[...]
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Patch

diff --git a/libavcodec/mpegaudiodec_template.c b/libavcodec/mpegaudiodec_template.c
index a389318a2a..a3729a9e29 100644
--- a/libavcodec/mpegaudiodec_template.c
+++ b/libavcodec/mpegaudiodec_template.c
@@ -457,7 +457,7 @@  static av_cold int decode_init(AVCodecContext * avctx)
 
 /* 12 points IMDCT. We compute it "by hand" by factorizing obvious
    cases. */
-static void imdct12(INTFLOAT *out, INTFLOAT *in)
+static void imdct12(INTFLOAT *out, SUINTFLOAT *in)
 {
     SUINTFLOAT in0, in1, in2, in3, in4, in5, t1, t2;