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author | Michael Niedermayer <michael@niedermayer.cc> | 2018-06-08 00:07:04 +0200 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-06-18 01:16:04 +0200 |
commit | b60a750af75878b6f4b9c2ca1a8211ddefcb49b0 (patch) | |
tree | 8ce11b4dad970b0597a9b32e3f2e7850184a2c11 | |
parent | 5d61400740842ad0b90528a0bce54e577d21e0d7 (diff) | |
download | ffmpeg-b60a750af75878b6f4b9c2ca1a8211ddefcb49b0.tar.gz |
avcodec/wavpack: Fix overflow in adding tail
Fixes: signed integer overflow: 2146907204 + 26846088 cannot be represented in type 'int'
Fixes: 8105/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVPACK_fuzzer-6233036682166272
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 d13379fb79708f550460dd6d698023bf26f968d5)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r-- | libavcodec/wavpack.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index 22a2c83a30..8306ec020f 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -85,7 +85,7 @@ typedef struct WavpackContext { #define LEVEL_DECAY(a) (((a) + 0x80) >> 8) -static av_always_inline int get_tail(GetBitContext *gb, int k) +static av_always_inline unsigned get_tail(GetBitContext *gb, int k) { int p, e, res; |