Branch: refs/heads/master
Home: https://github.com/tianocore/edk2
Commit: 6b045f8b9a76720180620b5cce31051e55eef9e8
https://github.com/tianocore/edk2/commit/6b045f8b9a76720180620b5cce31051e55eef9e8
Author: Patrick Rudolph <[email protected]>
Date: 2026-09-28 (Mon, 28 Sep 2026)
Changed paths:
M UefiPayloadPkg/Include/Library/BlParseLib.h
M UefiPayloadPkg/Library/CbParseLib/CbParseLib.c
M UefiPayloadPkg/Library/SblParseLib/SblParseLib.c
M UefiPayloadPkg/UefiPayloadEntry/UefiPayloadEntry.c
Log Message:
-----------
UefiPayloadPkg: Fix use of uninitialized memory
In coreboot the SMBIOS table generation is optional. When no
SMBIOS tables where found UefiPayloadEntry creates a HOB, but
doesn't initialize the contents.
The gUniversalPayloadSmbiosTableGuid HOB is then used by SmbiosDxe
and it crashes when the pointer in the HOB doesn't point to mapped
DRAM.
Fix that by only creating gUniversalPayloadSmbiosTableGuid HOB
when SMBIOS tables where found.
TEST=Can boot using UEFIPayload when coreboot doesn't provide
SMBIOS tables.
Signed-off-by: Patrick Rudolph <[email protected]>
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