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authorMichael Niedermayer <michael@niedermayer.cc>2017-06-23 01:58:48 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2017-07-19 15:26:37 +0200
commit94f3c06678c7e924c537c7edac838a353ed729eb (patch)
treeb73abfa090b6ec85eb17ccc06a2a3ce8c4b33354 /libavcodec/wavpack.c
parent3ed986522ad5766812ce90ff4605df4b0a33d58d (diff)
downloadffmpeg-94f3c06678c7e924c537c7edac838a353ed729eb.tar.gz
avcodec/wavpack: Fix integer overflow
Fixes: runtime error: signed integer overflow: 227511904 + 1964113935 cannot be represented in type 'int' Fixes: 2331/clusterfuzz-testcase-minimized-6182185830711296 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 24e95f9d4de012f51fdd5767dff0b3142e13ec3a) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/wavpack.c')
-rw-r--r--libavcodec/wavpack.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c
index 96d6d65bf0..aef538865b 100644
--- a/libavcodec/wavpack.c
+++ b/libavcodec/wavpack.c
@@ -225,7 +225,7 @@ static int wv_get_value(WavpackFrameContext *ctx, GetBitContext *gb,
INC_MED(1);
DEC_MED(2);
} else {
- base = GET_MED(0) + GET_MED(1) + GET_MED(2) * (t - 2);
+ base = GET_MED(0) + GET_MED(1) + GET_MED(2) * (t - 2U);
add = GET_MED(2) - 1;
INC_MED(0);
INC_MED(1);