grub2/0137-efi-dhcp-fix-some-allocation-error-checking.patch
Adam Williamson 5e72956199 Revert "Use my sort patch instead", fix BLS ostree detection
This reverts commit 93004a8494,
because it broke Rawhide. It also tries to fixes BLS ostree
detection to work in chroots (e.g. during installation) by also
checking for /ostree/repo.
2022-03-22 18:32:24 -07:00

37 lines
1.4 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Peter Jones <pjones@redhat.com>
Date: Sun, 19 Jul 2020 17:11:06 -0400
Subject: [PATCH] efi+dhcp: fix some allocation error checking.
Signed-off-by: Peter Jones <pjones@redhat.com>
---
grub-core/net/efi/dhcp.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/grub-core/net/efi/dhcp.c b/grub-core/net/efi/dhcp.c
index dbef63d8c08..e5c79b748b0 100644
--- a/grub-core/net/efi/dhcp.c
+++ b/grub-core/net/efi/dhcp.c
@@ -80,7 +80,7 @@ grub_efi_dhcp4_parse_dns (grub_efi_dhcp4_protocol_t *dhcp4, grub_efi_dhcp4_packe
if (status != GRUB_EFI_BUFFER_TOO_SMALL)
return NULL;
- option_list = grub_malloc (option_count * sizeof(*option_list));
+ option_list = grub_calloc (option_count, sizeof(*option_list));
if (!option_list)
return NULL;
@@ -360,8 +360,11 @@ grub_cmd_efi_bootp6 (struct grub_command *cmd __attribute__ ((unused)),
if (status == GRUB_EFI_BUFFER_TOO_SMALL && count)
{
- options = grub_malloc (count * sizeof(*options));
- status = efi_call_4 (dev->dhcp6->parse, dev->dhcp6, mode.ia->reply_packet, &count, options);
+ options = grub_calloc (count, sizeof(*options));
+ if (options)
+ status = efi_call_4 (dev->dhcp6->parse, dev->dhcp6, mode.ia->reply_packet, &count, options);
+ else
+ status = GRUB_EFI_OUT_OF_RESOURCES;
}
if (status != GRUB_EFI_SUCCESS)