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Fixed bug #20253: icmp_dest_unreach was called with a wrong p->payload for udp packets with no matching pcb.

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goldsimon 2007-06-25 17:30:16 +00:00
parent 00b7aeb49b
commit dcc2247a90
2 changed files with 5 additions and 1 deletions
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4
CHANGELOG
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@ -238,6 +238,10 @@ HISTORY
++ Bug fixes:
2007-06-25 Simon Goldschmidt
* udp.c: Fixed bug #20253: icmp_dest_unreach was called with a wrong p->payload
for udp packets with no matching pcb.
2007-06-25 Simon Goldschmidt
* udp.c: Fixed bug #20220: UDP PCB search in udp_input(): a non-local match
could get udp input packets if the remote side matched.

2
src/core/udp.c
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@ -257,7 +257,7 @@ udp_input(struct pbuf *p, struct netif *inp)
if (!ip_addr_isbroadcast(&iphdr->dest, inp) &&
!ip_addr_ismulticast(&iphdr->dest)) {
/* move payload pointer back to ip header */
pbuf_header(p, (IPH_HL(iphdr) * 4));
pbuf_header(p, (IPH_HL(iphdr) * 4) + UDP_HLEN);
LWIP_ASSERT("p->payload == iphdr", (p->payload == iphdr));
icmp_dest_unreach(p, ICMP_DUR_PORT);
}