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26 lines
930 B
26 lines
930 B
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 |
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From: Andrei Borzenkov <arvidjaar@gmail.com> |
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Date: Sun, 20 Mar 2016 10:32:33 +0300 |
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Subject: [PATCH] bootp: check that interface is not NULL in |
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configure_by_dhcp_ack |
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grub_net_add_addr may fail with OOM and we use returned interface |
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later without any checks. |
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--- |
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grub-core/net/bootp.c | 3 +++ |
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1 file changed, 3 insertions(+) |
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diff --git a/grub-core/net/bootp.c b/grub-core/net/bootp.c |
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index 62d602d9645..7df7f55110e 100644 |
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--- a/grub-core/net/bootp.c |
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+++ b/grub-core/net/bootp.c |
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@@ -237,6 +237,9 @@ grub_net_configure_by_dhcp_ack (const char *name, |
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hwaddr.type = GRUB_NET_LINK_LEVEL_PROTOCOL_ETHERNET; |
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inter = grub_net_add_addr (name, card, &addr, &hwaddr, flags); |
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+ if (!inter) |
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+ return 0; |
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+ |
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#if 0 |
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/* This is likely based on misunderstanding. gateway_ip refers to |
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address of BOOTP relay and should not be used after BOOTP transaction
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