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Code Issues Releases Activity

avcodec/cfhd: Fix invalid left shift of negative value

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Fixes: runtime error: left shift of negative value -1
Fixes: 2395/clusterfuzz-testcase-minimized-6540529313513472

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer
2017-06-28 20:47:59 +02:00
parent bc6ab72bc7
commit c709f009da
1 changed files with 1 additions and 1 deletions
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2
libavcodec/cfhd.c
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@@ -663,7 +663,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
output = s->plane[plane].subband[0]; output = s->plane[plane].subband[0];
for (i = 0; i < lowpass_height * 2; i++) { for (i = 0; i < lowpass_height * 2; i++) {
for (j = 0; j < lowpass_width * 2; j++) for (j = 0; j < lowpass_width * 2; j++)
output[j] <<= 2; output[j] *= 4;
output += lowpass_width * 2; output += lowpass_width * 2;
} }