Blame SOURCES/dnsmasq-2.76-rh1757247.patch
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From 95b743d5b0e207ecbe92252757100641b5e13d35 Mon Sep 17 00:00:00 2001
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From: yiwenchen <yiwenchen@synology.com>
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Date: Wed, 14 Feb 2018 22:26:54 +0000
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Subject: [PATCH] Fix boundary for test introduced in
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3e3f1029c9ec6c63e430ff51063a6301d4b2262
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This fixes breakage of DHCPv6 relay.
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(cherry picked from commit 499d8dde2b1a216eab9252ee500cc31b8c2b2974)
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---
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src/rfc3315.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/src/rfc3315.c b/src/rfc3315.c
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index 1e85c5c..42c7a0e 100644
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--- a/src/rfc3315.c
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+++ b/src/rfc3315.c
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@@ -216,9 +216,9 @@ static int dhcp6_maybe_relay(struct state *state, void *inbuff, size_t sz,
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for (opt = opts; opt; opt = opt6_next(opt, end))
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{
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- if (opt6_ptr(opt, 0) + opt6_len(opt) >= end) {
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+ if (opt6_ptr(opt, 0) + opt6_len(opt) > end)
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return 0;
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- }
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+
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int o = new_opt6(opt6_type(opt));
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if (opt6_type(opt) == OPTION6_RELAY_MSG)
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{
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--
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2.21.1
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