patch-2.4.27 linux-2.4.27/net/ipv4/netfilter/ipt_owner.c
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- Lines: 17
- Date:
2004-08-07 16:26:06.995442970 -0700
- Orig file:
linux-2.4.26/net/ipv4/netfilter/ipt_owner.c
- Orig date:
2002-11-28 15:53:15.000000000 -0800
diff -urN linux-2.4.26/net/ipv4/netfilter/ipt_owner.c linux-2.4.27/net/ipv4/netfilter/ipt_owner.c
@@ -171,7 +171,15 @@
if (matchsize != IPT_ALIGN(sizeof(struct ipt_owner_info)))
return 0;
-
+#ifdef CONFIG_SMP
+ /* files->file_lock can not be used in a BH */
+ if (((struct ipt_owner_info *)matchinfo)->match
+ & (IPT_OWNER_PID|IPT_OWNER_SID|IPT_OWNER_COMM)) {
+ printk("ipt_owner: pid, sid and command matching is broken "
+ "on SMP.\n");
+ return 0;
+ }
+#endif
return 1;
}
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