patch-2.4.14 linux/net/ipv6/netfilter/ip6_tables.c
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- Lines: 11
- Date:
Tue Oct 30 15:08:12 2001
- Orig file:
v2.4.13/linux/net/ipv6/netfilter/ip6_tables.c
- Orig date:
Tue Oct 9 17:06:53 2001
diff -u --recursive --new-file v2.4.13/linux/net/ipv6/netfilter/ip6_tables.c linux/net/ipv6/netfilter/ip6_tables.c
@@ -1102,6 +1102,10 @@
if (copy_from_user(&tmp, user, sizeof(tmp)) != 0)
return -EFAULT;
+ /* Pedantry: prevent them from hitting BUG() in vmalloc.c --RR */
+ if ((SMP_ALIGN(tmp.size) >> PAGE_SHIFT) + 2 > num_physpages)
+ return -ENOMEM;
+
newinfo = vmalloc(sizeof(struct ip6t_table_info)
+ SMP_ALIGN(tmp.size) * smp_num_cpus);
if (!newinfo)
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