Blame SOURCES/0177-utils-fix-hex-digits-parsing-in-hexstring_a2n.patch
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From 91c9a1f1f26b1800e1d1d1cd7d814d3e2d14f822 Mon Sep 17 00:00:00 2001
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From: Davide Caratti <dcaratti@redhat.com>
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Date: Wed, 6 Jul 2016 18:41:37 +0200
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Subject: [PATCH] utils: fix hex digits parsing in hexstring_a2n()
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1300765
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Upstream Status: iproute2.git commit 9ba4126dc4d6
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commit 9ba4126dc4d6abb8dc5c8c8d52177849e764a14e
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Author: Beniamino Galvani <bgalvani@redhat.com>
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Date: Tue Jun 14 22:55:17 2016 +0200
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utils: fix hex digits parsing in hexstring_a2n()
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strtoul() only modifies errno on overflow, so if errno is not zero
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before calling the function its value is preserved and makes the
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function fail for valid inputs; initialize it.
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Signed-off-by: Beniamino Galvani <bgalvani@redhat.com>
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Signed-off-by: Davide Caratti <dcaratti@redhat.com>
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---
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lib/utils.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/lib/utils.c b/lib/utils.c
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index dedadff..b310166 100644
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--- a/lib/utils.c
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+++ b/lib/utils.c
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@@ -834,6 +834,7 @@ __u8 *hexstring_a2n(const char *str, __u8 *buf, int blen, unsigned int *len)
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strncpy(tmpstr, str, 2);
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tmpstr[2] = '\0';
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+ errno = 0;
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tmp = strtoul(tmpstr, &endptr, 16);
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if (errno != 0 || tmp > 0xFF || *endptr != '\0')
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return NULL;
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--
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1.8.3.1
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