vbatts/grub
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

cbfs: Fix corner case and compilation with recdent gcc

Browse source 
Accept the header to touch the jump address at 0xfffffff0.

Fix compilation for 64-bit EFI with recent GCC.
This commit is contained in:
Vladimir Serbinenko 2015-11-09 03:24:04 +01:00
parent 4656ced41c
commit cb28250cfc
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
grub-core/fs/cbfs.c
View file

@ -352,7 +352,7 @@ init_cbfsdisk (void)
reading ROMs through controller directly. reading ROMs through controller directly.
*/ */
if (ptr < 0xff000000 if (ptr < 0xff000000
|| 0xffffffff - ptr < sizeof (*head) + 0x10 || 0xffffffff - ptr < (grub_uint32_t) sizeof (*head) + 0xf
|| !validate_head (head)) || !validate_head (head))
return; return;