mirror/lwip
1
0
Fork 0
mirror of https://github.com/lwip-tcpip/lwip.git synced 2024-10-02 12:52:10 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix bug #55537: Crash in SYN_SENT state when TCP_INPUT_DEBUG logs are ON

Browse Source 
(cherry picked from commit 4c19a909c2)
This commit is contained in:
Dirk Ziegelmeier 2019-01-28 14:21:34 +01:00 committed by Simon Goldschmidt
parent 1892f445e2
commit e1528e084d
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/core/tcp_in.c
View File

@ -853,7 +853,7 @@ tcp_process(struct tcp_pcb *pcb)
switch (pcb->state) {
case SYN_SENT:
LWIP_DEBUGF(TCP_INPUT_DEBUG, ("SYN-SENT: ackno %"U32_F" pcb->snd_nxt %"U32_F" unacked %"U32_F"\n", ackno,
pcb->snd_nxt, lwip_ntohl(pcb->unacked->tcphdr->seqno)));
pcb->snd_nxt, (pcb->unacked != NULL)? lwip_ntohl(pcb->unacked->tcphdr->seqno) : 0));
/* received SYN ACK with expected sequence number? */
if ((flags & TCP_ACK) && (flags & TCP_SYN)
&& (ackno == pcb->lastack + 1)) {