[PATCH 0/3] efi_loader: Fix buffer underflow in FatToStr

Fix a buffer underflow in the FatToStr implementation.

Add a unit test to detect incorrect conversion of characters >= 0x80.

v2: Reformat commit message Add unit test

Heinrich Schuchardt (2): efi_selftest: unsigned char parameter for efi_st_strcmp_16_8() efi_selftest: Improve the FatToStr() unit test

Mikhail Ilin (1): efi_loader: Fix buffer underflow

include/efi_selftest.h | 2 +- lib/efi_loader/efi_unicode_collation.c | 2 +- lib/efi_selftest/efi_selftest_unicode_collation.c | 13 +++++++++++++ lib/efi_selftest/efi_selftest_util.c | 2 +- 4 files changed, 16 insertions(+), 3 deletions(-)