3027 installgrub can segfault when encountering bogus data on disk
*** 51,60 **** --- 51,61 ---- char *file; char *extra; multiboot_header_t *mboot; uint32_t mboot_off; uint32_t file_size; + uint32_t extra_size; uint32_t buf_size; uint32_t first_sector; uint32_t pcfs_first_sectors[2]; } ig_stage2_t;