Index: stand/efi/libefi/efihttp.c =================================================================== --- stand/efi/libefi/efihttp.c +++ stand/efi/libefi/efihttp.c @@ -575,6 +575,14 @@ */ err = _efihttp_fs_open(path, f); if (err != 0) { + /* + * Work around a bug in the EFI HTTP implementation which + * causes a crash if the http instance isn't torn down + * between requests. + * See https://bugzilla.tianocore.org/show_bug.cgi?id=1917 + */ + efihttp_dev_close(f); + efihttp_dev_open(f); path_slash = malloc(strlen(path) + 2); if (path_slash == NULL) return (ENOMEM); @@ -716,6 +724,14 @@ path = fh->path; fh->path = NULL; efihttp_fs_close(f); + /* + * Work around a bug in the EFI HTTP implementation which + * causes a crash if the http instance isn't torn down + * between requests. + * See https://bugzilla.tianocore.org/show_bug.cgi?id=1917 + */ + efihttp_dev_close(f); + efihttp_dev_open(f); err = efihttp_fs_open(path, f); free(path); if (err != 0)