From: Eric Dumazet <[email protected]>
commit 990ff4d84408fc55942ca6644f67e361737b3d8e upstream.
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 <[email protected]>
Reported-by: Andrey Konovalov <[email protected]>
Tested-by: Andrey Konovalov <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Acked-by: Arnaldo Carvalho de Melo <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Willy Tarreau <[email protected]>
---
net/dccp/ipv6.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index fb72107..94f8224 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -1014,6 +1014,7 @@ 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,
--
2.8.0.rc2.1.gbe9624a
