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SCTP: Fix chunk acceptance when no authenticated chunks were listed.
[firefly-linux-kernel-4.4.55.git]
/
net
/
sctp
/
auth.c
diff --git
a/net/sctp/auth.c
b/net/sctp/auth.c
index 6d5fa6bb371b0ce2d85a77093092ac440d93684a..6d89e35307aa94393dbbae4a5032865b574e7cdf 100644
(file)
--- a/
net/sctp/auth.c
+++ b/
net/sctp/auth.c
@@
-631,7
+631,7
@@
static int __sctp_auth_cid(sctp_cid_t chunk, struct sctp_chunks_param *param)
int found = 0;
int i;
- if (!param)
+ if (!param
|| param->param_hdr.length == 0
)
return 0;
len = ntohs(param->param_hdr.length) - sizeof(sctp_paramhdr_t);