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openSUSE:Leap:15.5:Update
tboot.18210
tboot-Do-not-try-to-read-EFI-mem-map-when-boote...
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File tboot-Do-not-try-to-read-EFI-mem-map-when-booted-with-mult.patch of Package tboot.18210
From e3419cf615b395caac4c1905db1de0cf20b179c9 Mon Sep 17 00:00:00 2001 From: Lukasz Hawrylko <lukasz.hawrylko@intel.com> Date: Wed, 3 Jun 2020 16:35:17 +0200 Subject: [PATCH] Do not try to read EFI mem map when booted with multiboot(1) Signed-off-by: Lukasz Hawrylko <lukasz.hawrylko@intel.com> --- tboot/common/loader.c | 7 +++++++ 1 file changed, 7 insertions(+) Index: tboot-1.9.8/tboot/common/loader.c =================================================================== --- tboot-1.9.8.orig/tboot/common/loader.c +++ tboot-1.9.8/tboot/common/loader.c @@ -2009,6 +2009,13 @@ find_efi_memmap(loader_ctx *lctx, uint32 return 0; } + if (LOADER_CTX_BAD(lctx) || lctx->type != MB2_ONLY) { + return 0; + } + if (descr_size == NULL || descr_vers == NULL || mmap_size == NULL) { + return 0; + } + start = (struct mb2_tag *)(lctx->addr + 8); hit = find_mb2_tag_type(start, MB2_TAG_TYPE_EFI_MMAP); if (hit == NULL) {
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