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authorPaolo Abeni <pabeni@redhat.com>2021-05-25 23:23:11 +0200
committerDavid S. Miller <davem@davemloft.net>2021-05-26 00:56:20 +0200
commit3812ce895047afdb78dc750a236515416e0ccded (patch)
tree3f6d1cb8c25ff785268e8da25aee696080f7bdf1
parentmptcp: avoid OOB access in setsockopt() (diff)
downloadlinux-3812ce895047afdb78dc750a236515416e0ccded.tar.xz
linux-3812ce895047afdb78dc750a236515416e0ccded.zip
mptcp: drop unconditional pr_warn on bad opt
This is a left-over of early day. A malicious peer can flood the kernel logs with useless messages, just drop it. Fixes: f296234c98a8 ("mptcp: Add handling of incoming MP_JOIN requests") Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/mptcp/options.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index 99fc21406168..71c535f4e1ef 100644
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@@ -130,7 +130,6 @@ static void mptcp_parse_option(const struct sk_buff *skb,
memcpy(mp_opt->hmac, ptr, MPTCPOPT_HMAC_LEN);
pr_debug("MP_JOIN hmac");
} else {
- pr_warn("MP_JOIN bad option size");
mp_opt->mp_join = 0;
}
break;