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Avoid a failed assert on invalid channel indices 

Fixes: 14914/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_LIBFDK_AAC_fuzzer-6288430994030592

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
This commit is contained in:
Martin Storsjo 2019-08-15 13:12:57 +03:00
parent 4edc5c4808
commit 9b0f848911
1 changed files with 3 additions and 0 deletions
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3
libPCMutils/src/pcmdmx_lib.cpp
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@ -583,6 +583,9 @@ static PCMDMX_ERROR getChannelMode(
(channelType[ch] & 0x0F) - 1, (channelType[ch] & 0x0F) - 1,
0); /* Assign all undefined channels (ACT_NONE) to front channels. */ 0); /* Assign all undefined channels (ACT_NONE) to front channels. */
if (channelIndices[ch] >= numCh[channelType[ch] >> 4][chGrp])
return PCMDMX_INVALID_CH_CONFIG;
spkrPos[ch] = getSpeakerPos(channelType[ch], channelIndices[ch], spkrPos[ch] = getSpeakerPos(channelType[ch], channelIndices[ch],
numCh[channelType[ch] >> 4][chGrp]); numCh[channelType[ch] >> 4][chGrp]);