27 lines
621 B
Diff
27 lines
621 B
Diff
From 7f74854bad25fa401cb3e739f5aeb269efd1555f Mon Sep 17 00:00:00 2001
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From: Jiajie Chen <c@jia.je>
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Date: Wed, 18 Jan 2023 00:16:21 +0800
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Subject: [PATCH] Check if h_addr non-null before memcpy
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It triggered segfaults on Fedora 37 CI.
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---
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arg.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/arg.c b/arg.c
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index d001303..4e906e9 100644
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--- a/arg.c
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+++ b/arg.c
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@@ -2471,7 +2471,7 @@ lkup_hostnm(hn, n)
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he = gethostbyname(hn);
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#endif /* defined(HASIPv6) */
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- if (!he)
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+ if (!he || !he->h_addr)
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return(he);
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/*
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* Copy first hostname structure address to destination structure.
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--
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2.27.0
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