34 lines
1.0 KiB
Diff
34 lines
1.0 KiB
Diff
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From 3c22f70994279bc206a78d9a1f40702beb9864d1 Mon Sep 17 00:00:00 2001
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From: Yanqin Wei <Yanqin.Wei@arm.com>
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Date: Mon, 2 Sep 2019 16:36:47 +0800
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Subject: flow: fix incorrect padding length checking in ipv6_sanity_check
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The padding length is (packet size - ipv6 header length - ipv6 plen). This
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patch fixes incorrect padding size checking in ipv6_sanity_check.
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Acked-by: William Tu <u9012063@gmail.com>
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Reviewed-by: Gavin Hu <Gavin.Hu@arm.com>
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Signed-off-by: Yanqin Wei <Yanqin.Wei@arm.com>
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Signed-off-by: Ben Pfaff <blp@ovn.org>
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---
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lib/flow.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/lib/flow.c b/lib/flow.c
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index e54fd2e52..db84b01f2 100644
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--- a/lib/flow.c
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+++ b/lib/flow.c
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@@ -699,7 +699,7 @@ ipv6_sanity_check(const struct ovs_16aligned_ip6_hdr *nh, size_t size)
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return false;
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}
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/* Jumbo Payload option not supported yet. */
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- if (OVS_UNLIKELY(size - plen > UINT8_MAX)) {
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+ if (OVS_UNLIKELY(size - (plen + IPV6_HEADER_LEN) > UINT8_MAX)) {
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return false;
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}
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--
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2.14.1
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