[PATCH 4.4 015/193] netfilter: x_tables: fix int overflow in xt_alloc_table_info()

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Dmitry Vyukov commit 889c604fd0b5f6d3b8694ade229ee44124de1127 upstream. syzkaller triggered OOM kills by passing ipt_replace.size = -1 to IPT_SO_SET_REPLACE. The root cause

[PATCH 4.4 015/193] netfilter: x_tables: fix int overflow in xt_alloc_table_info()

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Dmitry Vyukov commit 889c604fd0b5f6d3b8694ade229ee44124de1127 upstream. syzkaller triggered OOM kills by passing ipt_replace.size = -1 to IPT_SO_SET_REPLACE. The root cause is that SMP_ALIGN()