proxmox-mirrors/grub2
1
0
Fork 0
mirror of https://git.proxmox.com/git/grub2 synced 2025-08-05 15:54:13 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

efidisk: NULL pointer dereference in is_child()

Browse Source 
Function grub_efi_find_last_device() path may return NULL when called
from is_child().

Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Eric Snowberg 2019-03-28 15:26:36 -06:00 committed by Daniel Kiper
parent 3c65959673
commit 4fff586386
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
grub-core/disk/efi/efidisk.c
View File

@ -162,6 +162,9 @@ is_child (struct grub_efidisk_data *child,
return 0;
ldp = grub_efi_find_last_device_path (dp);
if (! ldp)
return 0;
ldp->type = GRUB_EFI_END_DEVICE_PATH_TYPE;
ldp->subtype = GRUB_EFI_END_ENTIRE_DEVICE_PATH_SUBTYPE;
ldp->length = sizeof (*ldp);