42 lines
1.7 KiB
Diff
42 lines
1.7 KiB
Diff
From a661a321c314d23cd2666c82cbb38d356c7956ba Mon Sep 17 00:00:00 2001
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From: Julian Andres Klode <julian.klode@canonical.com>
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Date: Mon, 3 Sep 2018 10:09:15 +0200
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Subject: [PATCH 176/270] ofnet: Initialize structs in bootpath parser
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Code later on checks if variables inside the struct are
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0 to see if they have been set, like if there were addresses
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in the bootpath.
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The variables were not initialized however, so the check
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might succeed with uninitialized data, and a new interface
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with random addresses and the same name is added. This causes
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$net_default_mac to point to the random one, so, for example,
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using that variable to load per-mac config files fails.
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Bug-Ubuntu: https://bugs.launchpad.net/bugs/1785859
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Signed-off-by: Julian Andres Klode <julian.klode@canonical.com>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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---
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grub-core/net/drivers/ieee1275/ofnet.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/grub-core/net/drivers/ieee1275/ofnet.c b/grub-core/net/drivers/ieee1275/ofnet.c
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index 002446b..00abc64 100644
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--- a/grub-core/net/drivers/ieee1275/ofnet.c
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+++ b/grub-core/net/drivers/ieee1275/ofnet.c
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@@ -153,8 +153,8 @@ grub_ieee1275_parse_bootpath (const char *devpath, char *bootpath,
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char *comma_char = 0;
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char *equal_char = 0;
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grub_size_t field_counter = 0;
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- grub_net_network_level_address_t client_addr, gateway_addr, subnet_mask;
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- grub_net_link_level_address_t hw_addr;
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+ grub_net_network_level_address_t client_addr = {}, gateway_addr = {}, subnet_mask = {};
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+ grub_net_link_level_address_t hw_addr = {};
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grub_net_interface_flags_t flags = 0;
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struct grub_net_network_level_interface *inter = NULL;
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grub_uint16_t vlantag = 0;
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--
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1.8.3.1
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