Variable efi_current_var is a pointer to a physical memory address that becomes invalid after SetVirtualAddressMap(). Instead of converting it via ConvertPointer() simply set it to NULL.
Fixes: b02a707152dc ("efi_loader: enable UEFI variables at runtime") Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- lib/efi_loader/efi_var_mem.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/lib/efi_loader/efi_var_mem.c b/lib/efi_loader/efi_var_mem.c index 1f13f18c2f..bfa8a56a8f 100644 --- a/lib/efi_loader/efi_var_mem.c +++ b/lib/efi_loader/efi_var_mem.c @@ -232,6 +232,7 @@ static void EFIAPI __efi_runtime efi_var_mem_notify_virtual_address_map(struct efi_event *event, void *context) { efi_convert_pointer(0, (void **)&efi_var_buf); + efi_current_var = NULL; }
efi_status_t efi_var_mem_init(void) -- 2.20.1