Author: hawk Date: Sun Feb 10 22:02:24 2008 GMT
Module: SOURCES Tag: HEAD
---- Log message:
- unofficial fix for local root hole
---- Files affected:
SOURCES:
kernel-vmsplice.patch (1.1 -> 1.2) (NEW)
---- Diffs:
================================================================
Index: SOURCES/kernel-vmsplice.patch
diff -u /dev/null SOURCES/kernel-vmsplice.patch:1.2
--- /dev/null Sun Feb 10 23:02:24 2008
+++ SOURCES/kernel-vmsplice.patch Sun Feb 10 23:02:19 2008
@@ -0,0 +1,28 @@
+diff --git a/fs/splice.c b/fs/splice.c
+index 684bca3..2d7e598 100644
+--- a/fs/splice.c
++++ b/fs/splice.c
+@@ -1122,6 +1122,11 @@ static int get_iovec_page_array(const struct iovec
__user *iov,
+ size_t len;
+ int i;
+
++ if (!access_ok(VERIFY_READ, iov, sizeof(struct iovec))) {
++ error = -EFAULT;
++ break;
++ }
++
+ /*
+ * Get user address base and length for this iovec.
+ */
+@@ -1141,6 +1146,11 @@ static int get_iovec_page_array(const struct iovec
__user *iov,
+ if (unlikely(!base))
+ break;
+
++ if (!access_ok(VERIFY_READ, base, len)) {
++ error = -EFAULT;
++ break;
++ }
++
+ /*
+ * Get this base offset and number of pages, then map
+ * in the user pages.
================================================================
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