aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/texturedsp.c
diff options
context:
space:
mode:
authorMichael Niedermayer <michael@niedermayer.cc>2017-05-12 13:15:33 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2017-05-14 12:20:16 +0200
commit7d37865af0ff6d2806866753a3390c557c373b2b (patch)
treee6b38244068eed52ed881cb0f853fa3325c23aae /libavcodec/texturedsp.c
parentbec98cd8bd9626657f03e117858e0e270db7d4e7 (diff)
downloadffmpeg-7d37865af0ff6d2806866753a3390c557c373b2b.tar.gz
avcodec/texturedsp: Fix runtime error: left shift of 255 by 24 places cannot be represented in type 'int'
Fixes: 1505/clusterfuzz-testcase-minimized-4561688818876416 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit f225003d17364cd38fd28f268ae2b29abd8e5024) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/texturedsp.c')
-rw-r--r--libavcodec/texturedsp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/texturedsp.c b/libavcodec/texturedsp.c
index 49e97c91ae..90b1eb4f11 100644
--- a/libavcodec/texturedsp.c
+++ b/libavcodec/texturedsp.c
@@ -158,7 +158,7 @@ static inline void dxt3_block_internal(uint8_t *dst, ptrdiff_t stride,
for (x = 0; x < 4; x++) {
uint8_t alpha = alpha_values[x];
- uint32_t pixel = colors[code & 3] | (alpha << 24);
+ uint32_t pixel = colors[code & 3] | ((unsigned)alpha << 24);
code >>= 2;
AV_WL32(dst + x * 4, pixel);