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Add sanity check in huff_decode()

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Test: atest DecoderTestXheAac ; atest DecoderTestAacDrc
Bug: 119292397
Change-Id: I33e99629665df9aa6262c90dd7ebdde4b4b9d773
(cherry picked from commit b81f869de3f7c5b6395606d5f36cef57987eae8f)
This commit is contained in:
Fraunhofer IIS FDK 2018-12-20 15:52:46 +01:00 committed by android-build-team Robot
parent 69514bb308
commit da401d271e
1 changed files with 8 additions and 0 deletions
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8
libFDK/src/nlc_dec.cpp
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@ -647,6 +647,10 @@ static ERROR_t huff_decode(HANDLE_FDK_BITSTREAM strm, SCHAR* out_data_1,
}
df_rest_flag_1 = num_val_1_int % 2;
if (df_rest_flag_1) num_val_1_int -= 1;
if (num_val_1_int < 0) {
err = HUFFDEC_NOTOK;
goto bail;
}
}
if (out_data_2 != NULL) {
if (diff_type_2 == DIFF_FREQ) {
@ -658,6 +662,10 @@ static ERROR_t huff_decode(HANDLE_FDK_BITSTREAM strm, SCHAR* out_data_1,
}
df_rest_flag_2 = num_val_2_int % 2;
if (df_rest_flag_2) num_val_2_int -= 1;
if (num_val_2_int < 0) {
err = HUFFDEC_NOTOK;
goto bail;
}
}
if (out_data_1 != NULL) {