Message ID | 20221122105210.92845-4-heinrich.schuchardt@canonical.com |
---|---|
State | Accepted, archived |
Delegated to: | Heinrich Schuchardt |
Headers | show |
Series | efi_loader: Fix buffer underflow in FatToStr | expand |
diff --git a/lib/efi_selftest/efi_selftest_unicode_collation.c b/lib/efi_selftest/efi_selftest_unicode_collation.c index c63a1b51e4..1ac55b34cd 100644 --- a/lib/efi_selftest/efi_selftest_unicode_collation.c +++ b/lib/efi_selftest/efi_selftest_unicode_collation.c @@ -184,6 +184,18 @@ static int test_fat_to_str(void) return EFI_ST_FAILURE; } + boottime->set_mem(str, sizeof(str), 0); + unicode_collation_protocol->fat_to_str(unicode_collation_protocol, 13, + "Kafb\240tur\000xyz", str); + if (str[10]) { + efi_st_error("fat_to_str returned to many characters\n"); + return EFI_ST_FAILURE; + } + if (efi_st_strcmp_16_8(str, "Kafb\341tur")) { + efi_st_error("fat_to_str returned \"%ps\"\n", str); + return EFI_ST_FAILURE; + } + return EFI_ST_SUCCESS; }
Add a test with a character >= 0x80. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> --- v2: new patch --- lib/efi_selftest/efi_selftest_unicode_collation.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)