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3d407d2111
See-also: https://github.com/rpm-software-management/rpm/pull/2249 Signed-off-by: Robbie Harwood <rharwood@redhat.com>
37 lines
1.4 KiB
Diff
37 lines
1.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Sun, 19 Jul 2020 17:11:06 -0400
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Subject: [PATCH] efi+dhcp: fix some allocation error checking.
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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grub-core/net/efi/dhcp.c | 9 ++++++---
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1 file changed, 6 insertions(+), 3 deletions(-)
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diff --git a/grub-core/net/efi/dhcp.c b/grub-core/net/efi/dhcp.c
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index dbef63d8c0..e5c79b748b 100644
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--- a/grub-core/net/efi/dhcp.c
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+++ b/grub-core/net/efi/dhcp.c
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@@ -80,7 +80,7 @@ grub_efi_dhcp4_parse_dns (grub_efi_dhcp4_protocol_t *dhcp4, grub_efi_dhcp4_packe
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if (status != GRUB_EFI_BUFFER_TOO_SMALL)
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return NULL;
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- option_list = grub_malloc (option_count * sizeof(*option_list));
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+ option_list = grub_calloc (option_count, sizeof(*option_list));
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if (!option_list)
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return NULL;
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@@ -360,8 +360,11 @@ grub_cmd_efi_bootp6 (struct grub_command *cmd __attribute__ ((unused)),
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if (status == GRUB_EFI_BUFFER_TOO_SMALL && count)
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{
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- options = grub_malloc (count * sizeof(*options));
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- status = efi_call_4 (dev->dhcp6->parse, dev->dhcp6, mode.ia->reply_packet, &count, options);
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+ options = grub_calloc (count, sizeof(*options));
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+ if (options)
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+ status = efi_call_4 (dev->dhcp6->parse, dev->dhcp6, mode.ia->reply_packet, &count, options);
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+ else
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+ status = GRUB_EFI_OUT_OF_RESOURCES;
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}
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if (status != GRUB_EFI_SUCCESS)
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