2006-06-09 Yoshinori K. Okuji <okuji@enbug.org>

* loader/i386/pc/linux.c (grub_rescue_cmd_initrd): Make sure that
        ADDR_MAX does not exceed GRUB_LINUX_INITRD_MAX_ADDRESS.
This commit is contained in:
okuji 2006-06-08 22:30:25 +00:00
parent b786f3b5c3
commit fd39d4da42
2 changed files with 14 additions and 1 deletions

View File

@ -1,3 +1,8 @@
2006-06-09 Yoshinori K. Okuji <okuji@enbug.org>
* loader/i386/pc/linux.c (grub_rescue_cmd_initrd): Make sure that
ADDR_MAX does not exceed GRUB_LINUX_INITRD_MAX_ADDRESS.
2006-06-07 Jeroen Dekkers <jeroen@dekkers.cx>
* include/grub/types.h (grub_host_addr_t): Rename to

View File

@ -322,7 +322,15 @@ grub_rescue_cmd_initrd (int argc, char *argv[])
/* Get the highest address available for the initrd. */
if (grub_le_to_cpu16 (lh->version) >= 0x0203)
addr_max = grub_cpu_to_le32 (lh->initrd_addr_max);
{
addr_max = grub_cpu_to_le32 (lh->initrd_addr_max);
/* XXX in reality, Linux specifies a bogus value, so
it is necessary to make sure that ADDR_MAX does not exceed
0x3fffffff. */
if (addr_max > GRUB_LINUX_INITRD_MAX_ADDRESS)
addr_max = GRUB_LINUX_INITRD_MAX_ADDRESS;
}
else
addr_max = GRUB_LINUX_INITRD_MAX_ADDRESS;