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Mirror IPv4 pcb locking into in6_setsockaddr() and in6_setpeeraddr():

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acquire inpcb lock when reading inpcb port+address in order to prevent
races with other threads that may be changing them.

MFC after:	3 months
This commit is contained in:
Robert Watson 2006-04-15 05:24:23 +00:00
parent 992879a026
commit 086dafc15b
1 changed files with 4 additions and 0 deletions
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4
sys/netinet6/in6_pcb.c
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@ -520,8 +520,10 @@ in6_setsockaddr(so, nam)
inp = sotoinpcb(so);
KASSERT(inp != NULL, ("in6_setsockaddr: inp == NULL"));
INP_LOCK(inp);
port = inp->inp_lport;
addr = inp->in6p_laddr;
INP_UNLOCK(inp);
*nam = in6_sockaddr(port, &addr);
return 0;
@ -539,8 +541,10 @@ in6_setpeeraddr(so, nam)
inp = sotoinpcb(so);
KASSERT(inp != NULL, ("in6_setpeeraddr: inp == NULL"));
INP_LOCK(inp);
port = inp->inp_fport;
addr = inp->in6p_faddr;
INP_UNLOCK(inp);
*nam = in6_sockaddr(port, &addr);
return 0;