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avcodec/ttadata: Add sentinel at the end of ff_tta_shift_1

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Fixes: out of array access
Fixes: 34933/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-5629322560929792

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2021-06-08 20:10:56 +02:00
parent f54d85cee6
commit dbbcfbcc4e
1 changed files with 2 additions and 1 deletions
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3
libavcodec/ttadata.c
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@@ -30,7 +30,8 @@ const uint32_t ff_tta_shift_1[] = {
0x01000000, 0x02000000, 0x04000000, 0x08000000, 0x01000000, 0x02000000, 0x04000000, 0x08000000,
0x10000000, 0x20000000, 0x40000000, 0x80000000, 0x10000000, 0x20000000, 0x40000000, 0x80000000,
0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000, 0x80000000,
0x80000000, 0x80000000, 0x80000000, 0x80000000 0x80000000, 0x80000000, 0x80000000, 0x80000000,
0xFFFFFFFF
}; };
const uint32_t * const ff_tta_shift_16 = ff_tta_shift_1 + 4; const uint32_t * const ff_tta_shift_16 = ff_tta_shift_1 + 4;