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send: fix infinite recursion in _send_linebuf 

A netwide snote eventually calls into this function again with the same 
server as has already been determined is over its sendq.  Mark the link 
dead before sending the snote to avoid infinite recursion.
This commit is contained in:
Doug Freed 2020-11-28 20:03:29 -05:00
parent 31f9d9b2f3
commit 6638c837cc
1 changed files with 2 additions and 1 deletions
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3
ircd/send.c
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@ -70,6 +70,8 @@ _send_linebuf(struct Client *to, buf_head_t *linebuf)
if(rb_linebuf_len(&to->localClient->buf_sendq) > get_sendq(to))
{
dead_link(to, 1);
if(IsServer(to))
{
sendto_realops_snomask(SNO_GENERAL, L_NETWIDE,
@ -84,7 +86,6 @@ _send_linebuf(struct Client *to, buf_head_t *linebuf)
get_sendq(to));
}
dead_link(to, 1);
return -1;
}
else