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Diffstat (limited to 'sys-kernel/gentoo-sources/files/gentoo-sources-2.4.CAN-2003-0985.patch')
-rw-r--r--sys-kernel/gentoo-sources/files/gentoo-sources-2.4.CAN-2003-0985.patch13
1 files changed, 13 insertions, 0 deletions
diff --git a/sys-kernel/gentoo-sources/files/gentoo-sources-2.4.CAN-2003-0985.patch b/sys-kernel/gentoo-sources/files/gentoo-sources-2.4.CAN-2003-0985.patch
new file mode 100644
index 000000000000..bacef69f02f8
--- /dev/null
+++ b/sys-kernel/gentoo-sources/files/gentoo-sources-2.4.CAN-2003-0985.patch
@@ -0,0 +1,13 @@
+--- linux/mm/mremap.c.orig 2004-01-05 17:01:21.382104120 +0000
++++ linux/mm/mremap.c 2004-01-05 17:15:25.689749848 +0000
+@@ -315,6 +315,10 @@
+ old_len = PAGE_ALIGN(old_len);
+ new_len = PAGE_ALIGN(new_len);
+
++ /* Don't allow the degenerate cases */
++ if (!(old_len | new_len))
++ goto out;
++
+ /* new_addr is only valid if MREMAP_FIXED is specified */
+ if (flags & MREMAP_FIXED) {
+ if (new_addr & ~PAGE_MASK)