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Merge pull request #14745 from benpicco/nanocoap-coverity

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nanocoap: validate input with NDEBUG
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Martine Lenders 2020-08-12 07:43:51 +02:00 committed by GitHub
commit 76709fa453
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1 changed files with 5 additions and 0 deletions
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5
sys/net/application_layer/nanocoap/nanocoap.c
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@ -377,6 +377,11 @@ int coap_get_blockopt(coap_pkt_t *pkt, uint16_t option, uint32_t *blknum, unsign
return -1;
}
if (option_len > 4) {
DEBUG("nanocoap: invalid option length\n");
return -1;
}
uint32_t blkopt = _decode_uint(data_start, option_len);
DEBUG("nanocoap: blkopt len: %i\n", option_len);