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In ip6_ctloutput() guard inp_flags modifications with INP_WLOCK.

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MFC after:	2 weeks
This commit is contained in:
Mikolaj Golub 2012-08-19 08:16:13 +00:00
parent 9b9bfdcc30
commit ab16a5bd08
1 changed files with 6 additions and 0 deletions
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6
sys/netinet6/ip6_output.c
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@ -1615,18 +1615,22 @@ ip6_ctloutput(struct socket *so, struct sockopt *sopt)
break;
#define OPTSET(bit) \
do { \
INP_WLOCK(in6p); \
if (optval) \
in6p->inp_flags |= (bit); \
else \
in6p->inp_flags &= ~(bit); \
INP_WUNLOCK(in6p); \
} while (/*CONSTCOND*/ 0)
#define OPTSET2292(bit) \
do { \
INP_WLOCK(in6p); \
in6p->inp_flags |= IN6P_RFC2292; \
if (optval) \
in6p->inp_flags |= (bit); \
else \
in6p->inp_flags &= ~(bit); \
INP_WUNLOCK(in6p); \
} while (/*CONSTCOND*/ 0)
#define OPTBIT(bit) (in6p->inp_flags & (bit) ? 1 : 0)
@ -1880,6 +1884,7 @@ do { \
if (error)
break;
INP_WLOCK(in6p);
switch (optval) {
case IPV6_PORTRANGE_DEFAULT:
in6p->inp_flags &= ~(INP_LOWPORT);
@ -1900,6 +1905,7 @@ do { \
error = EINVAL;
break;
}
INP_WUNLOCK(in6p);
break;
#ifdef IPSEC