From a06cf9a5bad917b9ac6016c940c5f0f0238f266f Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Mon, 14 Sep 2020 12:35:19 +0200 Subject: [PATCH] bootctl: handle if LoaderSystemToken is invalid for some reason This points to some firmware issue, but we should still be able to correct things if this happens. Hence log about this and fix it. Fixes: #17041 (cherry picked from commit ad0b610b0c1c2595c32b6235e7ac5ad7fba6e0aa) --- src/boot/bootctl.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/boot/bootctl.c b/src/boot/bootctl.c index 3a80aafcca..1a085ffa66 100644 --- a/src/boot/bootctl.c +++ b/src/boot/bootctl.c @@ -1472,7 +1472,9 @@ static int install_random_seed(const char *esp) { } r = efi_get_variable(EFI_VENDOR_LOADER, "LoaderSystemToken", NULL, NULL, &token_size); - if (r < 0) { + if (r == -ENODATA) + log_debug_errno(r, "LoaderSystemToken EFI variable is invalid (too short?), replacing."); + else if (r < 0) { if (r != -ENOENT) return log_error_errno(r, "Failed to test system token validity: %m"); } else { -- 2.25.1