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afb0baacd6
The BLS config filenames are guaranteed to be unique, so they can be used as GRUB2 entry id and can also be used to sort the menu entries. Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
33 lines
1.2 KiB
Diff
33 lines
1.2 KiB
Diff
From e8ab5a1a9e2889eb59d1fa494ba441a53698dcd2 Mon Sep 17 00:00:00 2001
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From: Rob Clark <rclark@redhat.com>
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Date: Wed, 19 Jul 2017 15:47:41 -0400
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Subject: [PATCH 050/250] Fix a segfault in lsefi
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when protocols_per_handle returns error, we can't use the pointers we
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passed to it, and that includes trusting num_protocols.
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Signed-off-by: Peter Jones <pjones@redhat.com>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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---
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grub-core/commands/efi/lsefi.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/grub-core/commands/efi/lsefi.c b/grub-core/commands/efi/lsefi.c
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index d901c389263..d1ce99af438 100644
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--- a/grub-core/commands/efi/lsefi.c
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+++ b/grub-core/commands/efi/lsefi.c
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@@ -109,8 +109,10 @@ grub_cmd_lsefi (grub_command_t cmd __attribute__ ((unused)),
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status = efi_call_3 (grub_efi_system_table->boot_services->protocols_per_handle,
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handle, &protocols, &num_protocols);
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- if (status != GRUB_EFI_SUCCESS)
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+ if (status != GRUB_EFI_SUCCESS) {
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grub_printf ("Unable to retrieve protocols\n");
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+ continue;
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+ }
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for (j = 0; j < num_protocols; j++)
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{
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for (k = 0; k < ARRAY_SIZE (known_protocols); k++)
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--
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2.17.1
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