patch-2.4.5 linux/net/core/filter.c
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- Lines: 37
- Date:
Wed May 16 10:32:59 2001
- Orig file:
v2.4.4/linux/net/core/filter.c
- Orig date:
Thu Apr 12 12:11:39 2001
diff -u --recursive --new-file v2.4.4/linux/net/core/filter.c linux/net/core/filter.c
@@ -2,7 +2,7 @@
* Linux Socket Filter - Kernel level socket filtering
*
* Author:
- * Jay Schulist <jschlst@turbolinux.com>
+ * Jay Schulist <jschlst@samba.org>
*
* Based on the design of:
* - The Berkeley Packet Filter
@@ -382,6 +382,9 @@
struct sock_filter *ftest;
int pc;
+ if ((unsigned int) flen >= (~0U / sizeof(struct sock_filter)))
+ return -EINVAL;
+
/*
* Check the filter code now.
*/
@@ -404,7 +407,7 @@
jumps below, where offsets are limited. --ANK (981016)
*/
if (ftest->k >= (unsigned)(flen-pc-1))
- return (-EINVAL);
+ return -EINVAL;
}
else
{
@@ -412,7 +415,7 @@
* For conditionals both must be safe
*/
if(pc + ftest->jt +1 >= flen || pc + ftest->jf +1 >= flen)
- return (-EINVAL);
+ return -EINVAL;
}
}
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