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bootctl: handle if LoaderSystemToken is invalid for some reason

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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)
(cherry picked from commit a06cf9a5bad917b9ac6016c940c5f0f0238f266f)
(cherry picked from commit 387881ae21acc1022c5c8c17f273ecc254fffe24)
(cherry picked from commit 9f6249eb7fe14ea975dd9d48681408005f598fe4)
This commit is contained in:
Lennart Poettering 2020-09-14 12:35:19 +02:00 committed by Zbigniew Jędrzejewski-Szmek
parent df14a16009
commit 1d59425025
1 changed files with 3 additions and 1 deletions
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4
src/boot/bootctl.c
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@ -1437,7 +1437,9 @@ 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 {