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Do not allow 0 size DtlsMsg

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This commit is contained in:
Juliusz Sosinowicz
2022-09-15 16:18:24 +02:00
parent 37adf0ff06
commit 4b3f6ada8a
1 changed files with 5 additions and 1 deletions
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6
src/internal.c
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@ -8147,6 +8147,11 @@ DtlsMsg* DtlsMsgNew(word32 sz, byte tx, void* heap)
DtlsMsg* msg;
WOLFSSL_ENTER("DtlsMsgNew()");
if (sz == 0) {
WOLFSSL_MSG("DtlsMsgNew: sz == 0 not allowed");
return NULL;
}
(void)heap;
msg = (DtlsMsg*)XMALLOC(sizeof(DtlsMsg), heap, DYNAMIC_TYPE_DTLS_MSG);
@ -8629,7 +8634,6 @@ int DtlsMsgPoolSave(WOLFSSL* ssl, const byte* data, word32 dataSz,
DtlsMsg* cur = ssl->dtls_tx_msg_list;
XMEMCPY(item->raw, data, dataSz);
item->sz = dataSz;
item->epoch = ssl->keys.dtls_epoch;
item->seq = ssl->keys.dtls_handshake_number;
item->type = type;