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fixed bug #37705 Possible memory corruption in DNS query

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This commit is contained in:
Simon Goldschmidt 2013-01-14 18:04:04 +01:00
parent d12600fba0
commit 1efd1ee6ac
1 changed files with 1 additions and 1 deletions
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2
src/core/dns.c
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@ -573,7 +573,7 @@ dns_send(u8_t numdns, const char* name, u8_t id)
LWIP_ASSERT("dns server has no IP address set", !ip_addr_isany(&dns_servers[numdns]));
/* if here, we have either a new query or a retry on a previous query to process */
p = pbuf_alloc(PBUF_TRANSPORT, SIZEOF_DNS_HDR + DNS_MAX_NAME_LENGTH +
p = pbuf_alloc(PBUF_TRANSPORT, SIZEOF_DNS_HDR + DNS_MAX_NAME_LENGTH + 1 +
SIZEOF_DNS_QUERY, PBUF_RAM);
if (p != NULL) {
u16_t realloc_size;