efi_loader: LoadImage() check source size

If the size of the source buffer is 0, return EFI_LOAD_ERROR.
(UEFI SCT II 2017: 3.4.1 LoadImage() - 5.1.4.1.6)

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2019-05-05 16:55:06 +02:00
parent 84a918e8ce
commit 470dfa50da

View File

@ -1781,6 +1781,10 @@ efi_status_t EFIAPI efi_load_image(bool boot_policy,
if (ret != EFI_SUCCESS)
goto error;
} else {
if (!source_size) {
ret = EFI_LOAD_ERROR;
goto error;
}
dest_buffer = source_buffer;
}
/* split file_path which contains both the device and file parts */