From: Peter Jones <pjo...@redhat.com> The function that searches the mods section base address does not have any debug information. Add some debugging outputs that could be useful.
Signed-off-by: Peter Jones <pjo...@redhat.com> Signed-off-by: Javier Martinez Canillas <javi...@redhat.com> Reviewed-by: Daniel Kiper <daniel.ki...@oracle.com> --- grub-core/kern/efi/efi.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/grub-core/kern/efi/efi.c b/grub-core/kern/efi/efi.c index 6e1ceb90516..3a708ed7215 100644 --- a/grub-core/kern/efi/efi.c +++ b/grub-core/kern/efi/efi.c @@ -308,13 +308,23 @@ grub_efi_modules_addr (void) } if (i == coff_header->num_sections) - return 0; + { + grub_dprintf("sections", "section %d is last section; invalid.\n", i); + return 0; + } info = (struct grub_module_info *) ((char *) image->image_base + section->virtual_address); - if (info->magic != GRUB_MODULE_MAGIC) - return 0; + if (section->name[0] != '.' && info->magic != GRUB_MODULE_MAGIC) + { + grub_dprintf("sections", + "section %d has bad magic %08x, should be %08x\n", + i, info->magic, GRUB_MODULE_MAGIC); + return 0; + } + grub_dprintf("sections", "returning section info for section %d: \"%s\"\n", + i, section->name); return (grub_addr_t) info; } -- 2.24.1 _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel