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Code Issues Releases Activity

rip6: Fix a lock order reversal in rip6_bind()

Browse Source 
See also commit 71a1539e37.

Reported by:	syzbot+9b461b6a07a83cc10daa@syzkaller.appspotmail.com
Reported by:	syzbot+b6ce0aec16f5fdab3282@syzkaller.appspotmail.com
Reviewed by:	glebius
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D35472
This commit is contained in:
Mark Johnston 2022-06-14 11:27:38 -04:00
parent e8955bd643
commit a14465e1b9
1 changed files with 2 additions and 2 deletions
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4
sys/netinet6/raw_ip6.c
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@ -760,11 +760,11 @@ rip6_bind(struct socket *so, struct sockaddr *nam, struct thread *td)
return (EADDRNOTAVAIL);
}
NET_EPOCH_EXIT(et);
INP_INFO_WLOCK(&V_ripcbinfo);
INP_WLOCK(inp);
INP_INFO_WLOCK(&V_ripcbinfo);
inp->in6p_laddr = addr->sin6_addr;
INP_WUNLOCK(inp);
INP_INFO_WUNLOCK(&V_ripcbinfo);
INP_WUNLOCK(inp);
return (0);
}