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authorEric Dumazet <edumazet@google.com>2016-11-03 08:59:46 -0700
committerDavid S. Miller <davem@davemloft.net>2016-11-03 16:50:27 -0400
commit990ff4d84408fc55942ca6644f67e361737b3d8e (patch)
tree9982d261dbd63c75ddad0a278f20cba442b087c1 /net/dccp
parentehea: fix operation state report (diff)
downloadlinux-dev-990ff4d84408fc55942ca6644f67e361737b3d8e.tar.xz
linux-dev-990ff4d84408fc55942ca6644f67e361737b3d8e.zip
ipv6: dccp: add missing bind_conflict to dccp_ipv6_mapped
While fuzzing kernel with syzkaller, Andrey reported a nasty crash in inet6_bind() caused by DCCP lacking a required method. Fixes: ab1e0a13d7029 ("[SOCK] proto: Add hashinfo member to struct proto") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Andrey Konovalov <andreyknvl@google.com> Tested-by: Andrey Konovalov <andreyknvl@google.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp')
-rw-r--r--net/dccp/ipv6.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index b2a43af967e5..715e5d1dc107 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -958,6 +958,7 @@ static const struct inet_connection_sock_af_ops dccp_ipv6_mapped = {
.getsockopt = ipv6_getsockopt,
.addr2sockaddr = inet6_csk_addr2sockaddr,
.sockaddr_len = sizeof(struct sockaddr_in6),
+ .bind_conflict = inet6_csk_bind_conflict,
#ifdef CONFIG_COMPAT
.compat_setsockopt = compat_ipv6_setsockopt,
.compat_getsockopt = compat_ipv6_getsockopt,