Changeset 3d6f5132894acf54b1958ae190624fc0a774294f for com32/mboot/map.c

Timestamp:

10/12/09 22:59:21 (3 years ago)

Author:

H. Peter Anvin <hpa@…>

Children:

c45ffb669e96ed42d563831d13f3d113f7e18ebf

Parents:

fee688790af77e282a3d04c9fb061089ec16a502

git-committer:

H. Peter Anvin <hpa@zytor.com> / 2009-10-12T15:59:21Z-0700

Message:

mboot: correct the detection of the multiboot header

Correct the detection of the multiboot header. The logic for
when the header extends past the file was backwards, which broke
non-ELF multiboot kernels completely. Apparently they are few and far
between.

Reported-by: Klaus T. <nightos@…>
Signed-off-by: H. Peter Anvin <hpa@…>

Files:

• com32/mboot/map.c (modified) (1 diff)

com32/mboot/map.c

@@ -128 +128 @@
             mbh_len = 12;
 
-        if (i + mbh_len < len)
+        if (i + mbh_len > len)
             mbh_len = 0;        /* Invalid... */
         else