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api: make sure len doesn't overrun the input buffer

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This commit is contained in:
Juliusz Sosinowicz
2025-01-30 18:01:51 +01:00
parent 2865b0c79b
commit e4b7a53191
1 changed files with 2 additions and 0 deletions
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tests/api.c
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@@ -99175,6 +99175,8 @@ static int test_dtls_frag_ch_count_records(byte* b, int len)
records++; records++;
dtlsRH = (DtlsRecordLayerHeader*)b; dtlsRH = (DtlsRecordLayerHeader*)b;
recordLen = (dtlsRH->length[0] << 8) | dtlsRH->length[1]; recordLen = (dtlsRH->length[0] << 8) | dtlsRH->length[1];
if (recordLen > (size_t)len)
break;
b += sizeof(DtlsRecordLayerHeader) + recordLen; b += sizeof(DtlsRecordLayerHeader) + recordLen;
len -= sizeof(DtlsRecordLayerHeader) + recordLen; len -= sizeof(DtlsRecordLayerHeader) + recordLen;
} }