Commit 990ff4d8 authored Nov 03, 2016 by Eric Dumazet Committed by David S. Miller Nov 03, 2016

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: ab1e0a13 ("[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>

parent 29ab5a3b

net/dccp/ipv6.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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,

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