lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1257276085-13681-1-git-send-email-gilad@codefidence.com>
Date:	Tue,  3 Nov 2009 21:21:25 +0200
From:	Gilad Ben-Yossef <gilad@...efidence.com>
To:	Valdis.Kletnieks@...edu
Cc:	netdev@...r.kernel.org, ori@...sleep.com,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH 1/1] Use defaults when no route options are available

Trying to parse the option of a SYN packet that we have
no route entry for should just use global wide defaults
for route entry options.

Signed-off-by: Gilad Ben-Yossef <gilad@...efidence.com>
---
 include/net/dst.h    |    2 +-
 net/ipv4/tcp_input.c |    2 --
 2 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/include/net/dst.h b/include/net/dst.h
index b562be3..0654c27 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -114,7 +114,7 @@ dst_metric(const struct dst_entry *dst, int metric)
 static inline u32
 dst_feature(const struct dst_entry *dst, u32 feature)
 {
-	return dst_metric(dst, RTAX_FEATURES) & feature;
+	return (dst ? dst_metric(dst, RTAX_FEATURES) & feature : 0);
 }
 
 static inline u32 dst_mtu(const struct dst_entry *dst)
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 4262da5..57e99e1 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3704,8 +3704,6 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
 	struct tcphdr *th = tcp_hdr(skb);
 	int length = (th->doff * 4) - sizeof(struct tcphdr);
 
-	BUG_ON(!estab && !dst);
-
 	ptr = (unsigned char *)(th + 1);
 	opt_rx->saw_tstamp = 0;
 
-- 
1.5.6.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ