Gitiles
Code Review Sign In
gerrit-public.fairphone.software / kernel / msm-4.19 / 46c34a348b0ac74fc9646de8ef0c5b8b29f09da9 / . / lib / test_bpf.c
blob: 80d78c51f65fc2bf007b2cc9222bb0714d4b3e68 [file] [log] [blame]
/*
* Testsuite for BPF interpreter and BPF JIT compiler
*
* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/init.h>
#include <linux/module.h>
#include <linux/filter.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/if_vlan.h>
/* General test specific settings */
#define MAX_SUBTESTS 3
#define MAX_TESTRUNS 10000
#define MAX_DATA 128
#define MAX_INSNS 512
#define MAX_K 0xffffFFFF
/* Few constants used to init test 'skb' */
#define SKB_TYPE 3
#define SKB_MARK 0x1234aaaa
#define SKB_HASH 0x1234aaab
#define SKB_QUEUE_MAP 123
#define SKB_VLAN_TCI 0xffff
#define SKB_DEV_IFINDEX 577
#define SKB_DEV_TYPE 588
/* Redefine REGs to make tests less verbose */
#define R0 BPF_REG_0
#define R1 BPF_REG_1
#define R2 BPF_REG_2
#define R3 BPF_REG_3
#define R4 BPF_REG_4
#define R5 BPF_REG_5
#define R6 BPF_REG_6
#define R7 BPF_REG_7
#define R8 BPF_REG_8
#define R9 BPF_REG_9
#define R10 BPF_REG_10
/* Flags that can be passed to test cases */
#define FLAG_NO_DATA BIT(0)
#define FLAG_EXPECTED_FAIL BIT(1)
enum {
CLASSIC = BIT(6), /* Old BPF instructions only. */
INTERNAL = BIT(7), /* Extended instruction set. */
};
#define TEST_TYPE_MASK (CLASSIC | INTERNAL)
struct bpf_test {
const char *descr;
union {
struct sock_filter insns[MAX_INSNS];
struct bpf_insn insns_int[MAX_INSNS];
} u;
__u8 aux;
__u8 data[MAX_DATA];
struct {
int data_size;
__u32 result;
} test[MAX_SUBTESTS];
};
static struct bpf_test tests[] = {
{
"TAX",
.u.insns = {
BPF_STMT(BPF_LD | BPF_IMM, 1),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_ALU | BPF_NEG, 0), /* A == -3 */
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_LD | BPF_LEN, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_MISC | BPF_TAX, 0), /* X == len - 3 */
BPF_STMT(BPF_LD | BPF_B | BPF_IND, 1),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ 10, 20, 30, 40, 50 },
{ { 2, 10 }, { 3, 20 }, { 4, 30 } },
},
{
"TXA",
.u.insns = {
BPF_STMT(BPF_LDX | BPF_LEN, 0),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_RET | BPF_A, 0) /* A == len * 2 */
},
CLASSIC,
{ 10, 20, 30, 40, 50 },
{ { 1, 2 }, { 3, 6 }, { 4, 8 } },
},
{
"ADD_SUB_MUL_K",
.u.insns = {
BPF_STMT(BPF_LD | BPF_IMM, 1),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 2),
BPF_STMT(BPF_LDX | BPF_IMM, 3),
BPF_STMT(BPF_ALU | BPF_SUB | BPF_X, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 0xffffffff),
BPF_STMT(BPF_ALU | BPF_MUL | BPF_K, 3),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC | FLAG_NO_DATA,
{ },
{ { 0, 0xfffffffd } }
},
{
"DIV_MOD_KX",
.u.insns = {
BPF_STMT(BPF_LD | BPF_IMM, 8),
BPF_STMT(BPF_ALU | BPF_DIV | BPF_K, 2),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_LD | BPF_IMM, 0xffffffff),
BPF_STMT(BPF_ALU | BPF_DIV | BPF_X, 0),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_LD | BPF_IMM, 0xffffffff),
BPF_STMT(BPF_ALU | BPF_DIV | BPF_K, 0x70000000),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_LD | BPF_IMM, 0xffffffff),
BPF_STMT(BPF_ALU | BPF_MOD | BPF_X, 0),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_LD | BPF_IMM, 0xffffffff),
BPF_STMT(BPF_ALU | BPF_MOD | BPF_K, 0x70000000),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC | FLAG_NO_DATA,
{ },
{ { 0, 0x20000000 } }
},
{
"AND_OR_LSH_K",
.u.insns = {
BPF_STMT(BPF_LD | BPF_IMM, 0xff),
BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0xf0),
BPF_STMT(BPF_ALU | BPF_LSH | BPF_K, 27),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_LD | BPF_IMM, 0xf),
BPF_STMT(BPF_ALU | BPF_OR | BPF_K, 0xf0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC | FLAG_NO_DATA,
{ },
{ { 0, 0x800000ff }, { 1, 0x800000ff } },
},
{
"LD_IMM_0",
.u.insns = {
BPF_STMT(BPF_LD | BPF_IMM, 0), /* ld #0 */
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0, 1, 0),
BPF_STMT(BPF_RET | BPF_K, 0),
BPF_STMT(BPF_RET | BPF_K, 1),
},
CLASSIC,
{ },
{ { 1, 1 } },
},
{
"LD_IND",
.u.insns = {
BPF_STMT(BPF_LDX | BPF_LEN, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_IND, MAX_K),
BPF_STMT(BPF_RET | BPF_K, 1)
},
CLASSIC,
{ },
{ { 1, 0 }, { 10, 0 }, { 60, 0 } },
},
{
"LD_ABS",
.u.insns = {
BPF_STMT(BPF_LD | BPF_W | BPF_ABS, 1000),
BPF_STMT(BPF_RET | BPF_K, 1)
},
CLASSIC,
{ },
{ { 1, 0 }, { 10, 0 }, { 60, 0 } },
},
{
"LD_ABS_LL",
.u.insns = {
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, SKF_LL_OFF),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, SKF_LL_OFF + 1),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ 1, 2, 3 },
{ { 1, 0 }, { 2, 3 } },
},
{
"LD_IND_LL",
.u.insns = {
BPF_STMT(BPF_LD | BPF_IMM, SKF_LL_OFF - 1),
BPF_STMT(BPF_LDX | BPF_LEN, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ 1, 2, 3, 0xff },
{ { 1, 1 }, { 3, 3 }, { 4, 0xff } },
},
{
"LD_ABS_NET",
.u.insns = {
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, SKF_NET_OFF),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, SKF_NET_OFF + 1),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3 },
{ { 15, 0 }, { 16, 3 } },
},
{
"LD_IND_NET",
.u.insns = {
BPF_STMT(BPF_LD | BPF_IMM, SKF_NET_OFF - 15),
BPF_STMT(BPF_LDX | BPF_LEN, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3 },
{ { 14, 0 }, { 15, 1 }, { 17, 3 } },
},
{
"LD_PKTTYPE",
.u.insns = {
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_PKTTYPE),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, SKB_TYPE, 1, 0),
BPF_STMT(BPF_RET | BPF_K, 1),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_PKTTYPE),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, SKB_TYPE, 1, 0),
BPF_STMT(BPF_RET | BPF_K, 1),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_PKTTYPE),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, SKB_TYPE, 1, 0),
BPF_STMT(BPF_RET | BPF_K, 1),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ },
{ { 1, 3 }, { 10, 3 } },
},
{
"LD_MARK",
.u.insns = {
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_MARK),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ },
{ { 1, SKB_MARK}, { 10, SKB_MARK} },
},
{
"LD_RXHASH",
.u.insns = {
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_RXHASH),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ },
{ { 1, SKB_HASH}, { 10, SKB_HASH} },
},
{
"LD_QUEUE",
.u.insns = {
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_QUEUE),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ },
{ { 1, SKB_QUEUE_MAP }, { 10, SKB_QUEUE_MAP } },
},
{
"LD_PROTOCOL",
.u.insns = {
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 1),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 20, 1, 0),
BPF_STMT(BPF_RET | BPF_K, 0),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_PROTOCOL),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 2),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 30, 1, 0),
BPF_STMT(BPF_RET | BPF_K, 0),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ 10, 20, 30 },
{ { 10, ETH_P_IP }, { 100, ETH_P_IP } },
},
{
"LD_VLAN_TAG",
.u.insns = {
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_VLAN_TAG),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ },
{
{ 1, SKB_VLAN_TCI & ~VLAN_TAG_PRESENT },
{ 10, SKB_VLAN_TCI & ~VLAN_TAG_PRESENT }
},
},
{
"LD_VLAN_TAG_PRESENT",
.u.insns = {
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_VLAN_TAG_PRESENT),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ },
{
{ 1, !!(SKB_VLAN_TCI & VLAN_TAG_PRESENT) },
{ 10, !!(SKB_VLAN_TCI & VLAN_TAG_PRESENT) }
},
},
{
"LD_IFINDEX",
.u.insns = {
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_IFINDEX),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ },
{ { 1, SKB_DEV_IFINDEX }, { 10, SKB_DEV_IFINDEX } },
},
{
"LD_HATYPE",
.u.insns = {
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_HATYPE),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ },
{ { 1, SKB_DEV_TYPE }, { 10, SKB_DEV_TYPE } },
},
{
"LD_CPU",
.u.insns = {
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_CPU),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_CPU),
BPF_STMT(BPF_ALU | BPF_SUB | BPF_X, 0),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ },
{ { 1, 0 }, { 10, 0 } },
},
{
"LD_NLATTR",
.u.insns = {
BPF_STMT(BPF_LDX | BPF_IMM, 2),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_LDX | BPF_IMM, 3),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_NLATTR),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
#ifdef __BIG_ENDIAN
{ 0xff, 0xff, 0, 4, 0, 2, 0, 4, 0, 3 },
#else
{ 0xff, 0xff, 4, 0, 2, 0, 4, 0, 3, 0 },
#endif
{ { 4, 0 }, { 20, 6 } },
},
{
"LD_NLATTR_NEST",
.u.insns = {
BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_LDX | BPF_IMM, 3),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_NLATTR_NEST),
BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_NLATTR_NEST),
BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_NLATTR_NEST),
BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_NLATTR_NEST),
BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_NLATTR_NEST),
BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_NLATTR_NEST),
BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_NLATTR_NEST),
BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_NLATTR_NEST),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
#ifdef __BIG_ENDIAN
{ 0xff, 0xff, 0, 12, 0, 1, 0, 4, 0, 2, 0, 4, 0, 3 },
#else
{ 0xff, 0xff, 12, 0, 1, 0, 4, 0, 2, 0, 4, 0, 3, 0 },
#endif
{ { 4, 0 }, { 20, 10 } },
},
{
"LD_PAYLOAD_OFF",
.u.insns = {
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_PAY_OFFSET),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_PAY_OFFSET),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_PAY_OFFSET),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_PAY_OFFSET),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_PAY_OFFSET),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
/* 00:00:00:00:00:00 > 00:00:00:00:00:00, ethtype IPv4 (0x0800),
* length 98: 127.0.0.1 > 127.0.0.1: ICMP echo request,
* id 9737, seq 1, length 64
*/
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x08, 0x00,
0x45, 0x00, 0x00, 0x54, 0xac, 0x8b, 0x40, 0x00, 0x40,
0x01, 0x90, 0x1b, 0x7f, 0x00, 0x00, 0x01 },
{ { 30, 0 }, { 100, 42 } },
},
{
"LD_ANC_XOR",
.u.insns = {
BPF_STMT(BPF_LD | BPF_IMM, 10),
BPF_STMT(BPF_LDX | BPF_IMM, 300),
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_ALU_XOR_X),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ },
{ { 4, 10 ^ 300 }, { 20, 10 ^ 300 } },
},
{
"SPILL_FILL",
.u.insns = {
BPF_STMT(BPF_LDX | BPF_LEN, 0),
BPF_STMT(BPF_LD | BPF_IMM, 2),
BPF_STMT(BPF_ALU | BPF_RSH, 1),
BPF_STMT(BPF_ALU | BPF_XOR | BPF_X, 0),
BPF_STMT(BPF_ST, 1), /* M1 = 1 ^ len */
BPF_STMT(BPF_ALU | BPF_XOR | BPF_K, 0x80000000),
BPF_STMT(BPF_ST, 2), /* M2 = 1 ^ len ^ 0x80000000 */
BPF_STMT(BPF_STX, 15), /* M3 = len */
BPF_STMT(BPF_LDX | BPF_MEM, 1),
BPF_STMT(BPF_LD | BPF_MEM, 2),
BPF_STMT(BPF_ALU | BPF_XOR | BPF_X, 0),
BPF_STMT(BPF_LDX | BPF_MEM, 15),
BPF_STMT(BPF_ALU | BPF_XOR | BPF_X, 0),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ },
{ { 1, 0x80000001 }, { 2, 0x80000002 }, { 60, 0x80000000 ^ 60 } }
},
{
"JEQ",
.u.insns = {
BPF_STMT(BPF_LDX | BPF_LEN, 0),
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 2),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_X, 0, 0, 1),
BPF_STMT(BPF_RET | BPF_K, 1),
BPF_STMT(BPF_RET | BPF_K, MAX_K)
},
CLASSIC,
{ 3, 3, 3, 3, 3 },
{ { 1, 0 }, { 3, 1 }, { 4, MAX_K } },
},
{
"JGT",
.u.insns = {
BPF_STMT(BPF_LDX | BPF_LEN, 0),
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 2),
BPF_JUMP(BPF_JMP | BPF_JGT | BPF_X, 0, 0, 1),
BPF_STMT(BPF_RET | BPF_K, 1),
BPF_STMT(BPF_RET | BPF_K, MAX_K)
},
CLASSIC,
{ 4, 4, 4, 3, 3 },
{ { 2, 0 }, { 3, 1 }, { 4, MAX_K } },
},
{
"JGE",
.u.insns = {
BPF_STMT(BPF_LDX | BPF_LEN, 0),
BPF_STMT(BPF_LD | BPF_B | BPF_IND, MAX_K),
BPF_JUMP(BPF_JMP | BPF_JGE | BPF_K, 1, 1, 0),
BPF_STMT(BPF_RET | BPF_K, 10),
BPF_JUMP(BPF_JMP | BPF_JGE | BPF_K, 2, 1, 0),
BPF_STMT(BPF_RET | BPF_K, 20),
BPF_JUMP(BPF_JMP | BPF_JGE | BPF_K, 3, 1, 0),
BPF_STMT(BPF_RET | BPF_K, 30),
BPF_JUMP(BPF_JMP | BPF_JGE | BPF_K, 4, 1, 0),
BPF_STMT(BPF_RET | BPF_K, 40),
BPF_STMT(BPF_RET | BPF_K, MAX_K)
},
CLASSIC,
{ 1, 2, 3, 4, 5 },
{ { 1, 20 }, { 3, 40 }, { 5, MAX_K } },
},
{
"JSET",
.u.insns = {
BPF_JUMP(BPF_JMP | BPF_JA, 0, 0, 0),
BPF_JUMP(BPF_JMP | BPF_JA, 1, 1, 1),
BPF_JUMP(BPF_JMP | BPF_JA, 0, 0, 0),
BPF_JUMP(BPF_JMP | BPF_JA, 0, 0, 0),
BPF_STMT(BPF_LDX | BPF_LEN, 0),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_SUB | BPF_K, 4),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_LD | BPF_W | BPF_IND, 0),
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 1, 0, 1),
BPF_STMT(BPF_RET | BPF_K, 10),
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 0x80000000, 0, 1),
BPF_STMT(BPF_RET | BPF_K, 20),
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 0xffffff, 1, 0),
BPF_STMT(BPF_RET | BPF_K, 30),
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 0xffffff, 1, 0),
BPF_STMT(BPF_RET | BPF_K, 30),
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 0xffffff, 1, 0),
BPF_STMT(BPF_RET | BPF_K, 30),
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 0xffffff, 1, 0),
BPF_STMT(BPF_RET | BPF_K, 30),
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 0xffffff, 1, 0),
BPF_STMT(BPF_RET | BPF_K, 30),
BPF_STMT(BPF_RET | BPF_K, MAX_K)
},
CLASSIC,
{ 0, 0xAA, 0x55, 1 },
{ { 4, 10 }, { 5, 20 }, { 6, MAX_K } },
},
{
"tcpdump port 22",
.u.insns = {
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 12),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x86dd, 0, 8), /* IPv6 */
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 20),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x84, 2, 0),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x6, 1, 0),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x11, 0, 17),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 54),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 22, 14, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 56),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 22, 12, 13),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0800, 0, 12), /* IPv4 */
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 23),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x84, 2, 0),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x6, 1, 0),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x11, 0, 8),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 20),
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 0x1fff, 6, 0),
BPF_STMT(BPF_LDX | BPF_B | BPF_MSH, 14),
BPF_STMT(BPF_LD | BPF_H | BPF_IND, 14),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 22, 2, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_IND, 16),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 22, 0, 1),
BPF_STMT(BPF_RET | BPF_K, 0xffff),
BPF_STMT(BPF_RET | BPF_K, 0),
},
CLASSIC,
/* 3c:07:54:43:e5:76 > 10:bf:48:d6:43:d6, ethertype IPv4(0x0800)
* length 114: 10.1.1.149.49700 > 10.1.2.10.22: Flags [P.],
* seq 1305692979:1305693027, ack 3650467037, win 65535,
* options [nop,nop,TS val 2502645400 ecr 3971138], length 48
*/
{ 0x10, 0xbf, 0x48, 0xd6, 0x43, 0xd6,
0x3c, 0x07, 0x54, 0x43, 0xe5, 0x76,
0x08, 0x00,
0x45, 0x10, 0x00, 0x64, 0x75, 0xb5,
0x40, 0x00, 0x40, 0x06, 0xad, 0x2e, /* IP header */
0x0a, 0x01, 0x01, 0x95, /* ip src */
0x0a, 0x01, 0x02, 0x0a, /* ip dst */
0xc2, 0x24,
0x00, 0x16 /* dst port */ },
{ { 10, 0 }, { 30, 0 }, { 100, 65535 } },
},
{
"tcpdump complex",
.u.insns = {
/* tcpdump -nei eth0 'tcp port 22 and (((ip[2:2] -
* ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0) and
* (len > 115 or len < 30000000000)' -d
*/
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 12),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x86dd, 30, 0),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x800, 0, 29),
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 23),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x6, 0, 27),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 20),
BPF_JUMP(BPF_JMP | BPF_JSET | BPF_K, 0x1fff, 25, 0),
BPF_STMT(BPF_LDX | BPF_B | BPF_MSH, 14),
BPF_STMT(BPF_LD | BPF_H | BPF_IND, 14),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 22, 2, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_IND, 16),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 22, 0, 20),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 16),
BPF_STMT(BPF_ST, 1),
BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 14),
BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0xf),
BPF_STMT(BPF_ALU | BPF_LSH | BPF_K, 2),
BPF_STMT(BPF_MISC | BPF_TAX, 0x5), /* libpcap emits K on TAX */
BPF_STMT(BPF_LD | BPF_MEM, 1),
BPF_STMT(BPF_ALU | BPF_SUB | BPF_X, 0),
BPF_STMT(BPF_ST, 5),
BPF_STMT(BPF_LDX | BPF_B | BPF_MSH, 14),
BPF_STMT(BPF_LD | BPF_B | BPF_IND, 26),
BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0xf0),
BPF_STMT(BPF_ALU | BPF_RSH | BPF_K, 2),
BPF_STMT(BPF_MISC | BPF_TAX, 0x9), /* libpcap emits K on TAX */
BPF_STMT(BPF_LD | BPF_MEM, 5),
BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_X, 0, 4, 0),
BPF_STMT(BPF_LD | BPF_LEN, 0),
BPF_JUMP(BPF_JMP | BPF_JGT | BPF_K, 0x73, 1, 0),
BPF_JUMP(BPF_JMP | BPF_JGE | BPF_K, 0xfc23ac00, 1, 0),
BPF_STMT(BPF_RET | BPF_K, 0xffff),
BPF_STMT(BPF_RET | BPF_K, 0),
},
CLASSIC,
{ 0x10, 0xbf, 0x48, 0xd6, 0x43, 0xd6,
0x3c, 0x07, 0x54, 0x43, 0xe5, 0x76,
0x08, 0x00,
0x45, 0x10, 0x00, 0x64, 0x75, 0xb5,
0x40, 0x00, 0x40, 0x06, 0xad, 0x2e, /* IP header */
0x0a, 0x01, 0x01, 0x95, /* ip src */
0x0a, 0x01, 0x02, 0x0a, /* ip dst */
0xc2, 0x24,
0x00, 0x16 /* dst port */ },
{ { 10, 0 }, { 30, 0 }, { 100, 65535 } },
},
{
"RET_A",
.u.insns = {
/* check that unitialized X and A contain zeros */
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_RET | BPF_A, 0)
},
CLASSIC,
{ },
{ {1, 0}, {2, 0} },
},
{
"INT: ADD trivial",
.u.insns_int = {
BPF_ALU64_IMM(BPF_MOV, R1, 1),
BPF_ALU64_IMM(BPF_ADD, R1, 2),
BPF_ALU64_IMM(BPF_MOV, R2, 3),
BPF_ALU64_REG(BPF_SUB, R1, R2),
BPF_ALU64_IMM(BPF_ADD, R1, -1),
BPF_ALU64_IMM(BPF_MUL, R1, 3),
BPF_ALU64_REG(BPF_MOV, R0, R1),
BPF_EXIT_INSN(),
},
INTERNAL,
{ },
{ { 0, 0xfffffffd } }
},
{
"INT: MUL_X",
.u.insns_int = {
BPF_ALU64_IMM(BPF_MOV, R0, -1),
BPF_ALU64_IMM(BPF_MOV, R1, -1),
BPF_ALU64_IMM(BPF_MOV, R2, 3),
BPF_ALU64_REG(BPF_MUL, R1, R2),
BPF_JMP_IMM(BPF_JEQ, R1, 0xfffffffd, 1),
BPF_EXIT_INSN(),
BPF_ALU64_IMM(BPF_MOV, R0, 1),
BPF_EXIT_INSN(),
},
INTERNAL,
{ },
{ { 0, 1 } }
},
{
"INT: MUL_X2",
.u.insns_int = {
BPF_ALU32_IMM(BPF_MOV, R0, -1),
BPF_ALU32_IMM(BPF_MOV, R1, -1),
BPF_ALU32_IMM(BPF_MOV, R2, 3),
BPF_ALU64_REG(BPF_MUL, R1, R2),
BPF_ALU64_IMM(BPF_RSH, R1, 8),
BPF_JMP_IMM(BPF_JEQ, R1, 0x2ffffff, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, R0, 1),
BPF_EXIT_INSN(),
},
INTERNAL,
{ },
{ { 0, 1 } }
},
{
"INT: MUL32_X",
.u.insns_int = {
BPF_ALU32_IMM(BPF_MOV, R0, -1),
BPF_ALU64_IMM(BPF_MOV, R1, -1),
BPF_ALU32_IMM(BPF_MOV, R2, 3),
BPF_ALU32_REG(BPF_MUL, R1, R2),
BPF_ALU64_IMM(BPF_RSH, R1, 8),
BPF_JMP_IMM(BPF_JEQ, R1, 0xffffff, 1),
BPF_EXIT_INSN(),
BPF_ALU32_IMM(BPF_MOV, R0, 1),
BPF_EXIT_INSN(),
},
INTERNAL,
{ },
{ { 0, 1 } }
},
{
/* Have to test all register combinations, since
* JITing of different registers will produce
* different asm code.
*/
"INT: ADD 64-bit",
.u.insns_int = {
BPF_ALU64_IMM(BPF_MOV, R0, 0),
BPF_ALU64_IMM(BPF_MOV, R1, 1),
BPF_ALU64_IMM(BPF_MOV, R2, 2),
BPF_ALU64_IMM(BPF_MOV, R3, 3),
BPF_ALU64_IMM(BPF_MOV, R4, 4),
BPF_ALU64_IMM(BPF_MOV, R5, 5),
BPF_ALU64_IMM(BPF_MOV, R6, 6),
BPF_ALU64_IMM(BPF_MOV, R7, 7),
BPF_ALU64_IMM(BPF_MOV, R8, 8),
BPF_ALU64_IMM(BPF_MOV, R9, 9),
BPF_ALU64_IMM(BPF_ADD, R0, 20),
BPF_ALU64_IMM(BPF_ADD, R1, 20),
BPF_ALU64_IMM(BPF_ADD, R2, 20),
BPF_ALU64_IMM(BPF_ADD, R3, 20),
BPF_ALU64_IMM(BPF_ADD, R4, 20),
BPF_ALU64_IMM(BPF_ADD, R5, 20),
BPF_ALU64_IMM(BPF_ADD, R6, 20),
BPF_ALU64_IMM(BPF_ADD, R7, 20),
BPF_ALU64_IMM(BPF_ADD, R8, 20),
BPF_ALU64_IMM(BPF_ADD, R9, 20),
BPF_ALU64_IMM(BPF_SUB, R0, 10),
BPF_ALU64_IMM(BPF_SUB, R1, 10),
BPF_ALU64_IMM(BPF_SUB, R2, 10),
BPF_ALU64_IMM(BPF_SUB, R3, 10),
BPF_ALU64_IMM(BPF_SUB, R4, 10),
BPF_ALU64_IMM(BPF_SUB, R5, 10),
BPF_ALU64_IMM(BPF_SUB, R6, 10),
BPF_ALU64_IMM(BPF_SUB, R7, 10),
BPF_ALU64_IMM(BPF_SUB, R8, 10),
BPF_ALU64_IMM(BPF_SUB, R9, 10),
BPF_ALU64_REG(BPF_ADD, R0, R0),
BPF_ALU64_REG(BPF_ADD, R0, R1),
BPF_ALU64_REG(BPF_ADD, R0, R2),
BPF_ALU64_REG(BPF_ADD, R0, R3),
BPF_ALU64_REG(BPF_ADD, R0, R4),
BPF_ALU64_REG(BPF_ADD, R0, R5),
BPF_ALU64_REG(BPF_ADD, R0, R6),
BPF_ALU64_REG(BPF_ADD, R0, R7),
BPF_ALU64_REG(BPF_ADD, R0, R8),
BPF_ALU64_REG(BPF_ADD, R0, R9), /* R0 == 155 */
BPF_JMP_IMM(BPF_JEQ, R0, 155, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_ADD, R1, R0),
BPF_ALU64_REG(BPF_ADD, R1, R1),
BPF_ALU64_REG(BPF_ADD, R1, R2),
BPF_ALU64_REG(BPF_ADD, R1, R3),
BPF_ALU64_REG(BPF_ADD, R1, R4),
BPF_ALU64_REG(BPF_ADD, R1, R5),
BPF_ALU64_REG(BPF_ADD, R1, R6),
BPF_ALU64_REG(BPF_ADD, R1, R7),
BPF_ALU64_REG(BPF_ADD, R1, R8),
BPF_ALU64_REG(BPF_ADD, R1, R9), /* R1 == 456 */
BPF_JMP_IMM(BPF_JEQ, R1, 456, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_ADD, R2, R0),
BPF_ALU64_REG(BPF_ADD, R2, R1),
BPF_ALU64_REG(BPF_ADD, R2, R2),
BPF_ALU64_REG(BPF_ADD, R2, R3),
BPF_ALU64_REG(BPF_ADD, R2, R4),
BPF_ALU64_REG(BPF_ADD, R2, R5),
BPF_ALU64_REG(BPF_ADD, R2, R6),
BPF_ALU64_REG(BPF_ADD, R2, R7),
BPF_ALU64_REG(BPF_ADD, R2, R8),
BPF_ALU64_REG(BPF_ADD, R2, R9), /* R2 == 1358 */
BPF_JMP_IMM(BPF_JEQ, R2, 1358, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_ADD, R3, R0),
BPF_ALU64_REG(BPF_ADD, R3, R1),
BPF_ALU64_REG(BPF_ADD, R3, R2),
BPF_ALU64_REG(BPF_ADD, R3, R3),
BPF_ALU64_REG(BPF_ADD, R3, R4),
BPF_ALU64_REG(BPF_ADD, R3, R5),
BPF_ALU64_REG(BPF_ADD, R3, R6),
BPF_ALU64_REG(BPF_ADD, R3, R7),
BPF_ALU64_REG(BPF_ADD, R3, R8),
BPF_ALU64_REG(BPF_ADD, R3, R9), /* R3 == 4063 */
BPF_JMP_IMM(BPF_JEQ, R3, 4063, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_ADD, R4, R0),
BPF_ALU64_REG(BPF_ADD, R4, R1),
BPF_ALU64_REG(BPF_ADD, R4, R2),
BPF_ALU64_REG(BPF_ADD, R4, R3),
BPF_ALU64_REG(BPF_ADD, R4, R4),
BPF_ALU64_REG(BPF_ADD, R4, R5),
BPF_ALU64_REG(BPF_ADD, R4, R6),
BPF_ALU64_REG(BPF_ADD, R4, R7),
BPF_ALU64_REG(BPF_ADD, R4, R8),
BPF_ALU64_REG(BPF_ADD, R4, R9), /* R4 == 12177 */
BPF_JMP_IMM(BPF_JEQ, R4, 12177, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_ADD, R5, R0),
BPF_ALU64_REG(BPF_ADD, R5, R1),
BPF_ALU64_REG(BPF_ADD, R5, R2),
BPF_ALU64_REG(BPF_ADD, R5, R3),
BPF_ALU64_REG(BPF_ADD, R5, R4),
BPF_ALU64_REG(BPF_ADD, R5, R5),
BPF_ALU64_REG(BPF_ADD, R5, R6),
BPF_ALU64_REG(BPF_ADD, R5, R7),
BPF_ALU64_REG(BPF_ADD, R5, R8),
BPF_ALU64_REG(BPF_ADD, R5, R9), /* R5 == 36518 */
BPF_JMP_IMM(BPF_JEQ, R5, 36518, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_ADD, R6, R0),
BPF_ALU64_REG(BPF_ADD, R6, R1),
BPF_ALU64_REG(BPF_ADD, R6, R2),
BPF_ALU64_REG(BPF_ADD, R6, R3),
BPF_ALU64_REG(BPF_ADD, R6, R4),
BPF_ALU64_REG(BPF_ADD, R6, R5),
BPF_ALU64_REG(BPF_ADD, R6, R6),
BPF_ALU64_REG(BPF_ADD, R6, R7),
BPF_ALU64_REG(BPF_ADD, R6, R8),
BPF_ALU64_REG(BPF_ADD, R6, R9), /* R6 == 109540 */
BPF_JMP_IMM(BPF_JEQ, R6, 109540, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_ADD, R7, R0),
BPF_ALU64_REG(BPF_ADD, R7, R1),
BPF_ALU64_REG(BPF_ADD, R7, R2),
BPF_ALU64_REG(BPF_ADD, R7, R3),
BPF_ALU64_REG(BPF_ADD, R7, R4),
BPF_ALU64_REG(BPF_ADD, R7, R5),
BPF_ALU64_REG(BPF_ADD, R7, R6),
BPF_ALU64_REG(BPF_ADD, R7, R7),
BPF_ALU64_REG(BPF_ADD, R7, R8),
BPF_ALU64_REG(BPF_ADD, R7, R9), /* R7 == 328605 */
BPF_JMP_IMM(BPF_JEQ, R7, 328605, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_ADD, R8, R0),
BPF_ALU64_REG(BPF_ADD, R8, R1),
BPF_ALU64_REG(BPF_ADD, R8, R2),
BPF_ALU64_REG(BPF_ADD, R8, R3),
BPF_ALU64_REG(BPF_ADD, R8, R4),
BPF_ALU64_REG(BPF_ADD, R8, R5),
BPF_ALU64_REG(BPF_ADD, R8, R6),
BPF_ALU64_REG(BPF_ADD, R8, R7),
BPF_ALU64_REG(BPF_ADD, R8, R8),
BPF_ALU64_REG(BPF_ADD, R8, R9), /* R8 == 985799 */
BPF_JMP_IMM(BPF_JEQ, R8, 985799, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_ADD, R9, R0),
BPF_ALU64_REG(BPF_ADD, R9, R1),
BPF_ALU64_REG(BPF_ADD, R9, R2),
BPF_ALU64_REG(BPF_ADD, R9, R3),
BPF_ALU64_REG(BPF_ADD, R9, R4),
BPF_ALU64_REG(BPF_ADD, R9, R5),
BPF_ALU64_REG(BPF_ADD, R9, R6),
BPF_ALU64_REG(BPF_ADD, R9, R7),
BPF_ALU64_REG(BPF_ADD, R9, R8),
BPF_ALU64_REG(BPF_ADD, R9, R9), /* R9 == 2957380 */
BPF_ALU64_REG(BPF_MOV, R0, R9),
BPF_EXIT_INSN(),
},
INTERNAL,
{ },
{ { 0, 2957380 } }
},
{
"INT: ADD 32-bit",
.u.insns_int = {
BPF_ALU32_IMM(BPF_MOV, R0, 20),
BPF_ALU32_IMM(BPF_MOV, R1, 1),
BPF_ALU32_IMM(BPF_MOV, R2, 2),
BPF_ALU32_IMM(BPF_MOV, R3, 3),
BPF_ALU32_IMM(BPF_MOV, R4, 4),
BPF_ALU32_IMM(BPF_MOV, R5, 5),
BPF_ALU32_IMM(BPF_MOV, R6, 6),
BPF_ALU32_IMM(BPF_MOV, R7, 7),
BPF_ALU32_IMM(BPF_MOV, R8, 8),
BPF_ALU32_IMM(BPF_MOV, R9, 9),
BPF_ALU64_IMM(BPF_ADD, R1, 10),
BPF_ALU64_IMM(BPF_ADD, R2, 10),
BPF_ALU64_IMM(BPF_ADD, R3, 10),
BPF_ALU64_IMM(BPF_ADD, R4, 10),
BPF_ALU64_IMM(BPF_ADD, R5, 10),
BPF_ALU64_IMM(BPF_ADD, R6, 10),
BPF_ALU64_IMM(BPF_ADD, R7, 10),
BPF_ALU64_IMM(BPF_ADD, R8, 10),
BPF_ALU64_IMM(BPF_ADD, R9, 10),
BPF_ALU32_REG(BPF_ADD, R0, R1),
BPF_ALU32_REG(BPF_ADD, R0, R2),
BPF_ALU32_REG(BPF_ADD, R0, R3),
BPF_ALU32_REG(BPF_ADD, R0, R4),
BPF_ALU32_REG(BPF_ADD, R0, R5),
BPF_ALU32_REG(BPF_ADD, R0, R6),
BPF_ALU32_REG(BPF_ADD, R0, R7),
BPF_ALU32_REG(BPF_ADD, R0, R8),
BPF_ALU32_REG(BPF_ADD, R0, R9), /* R0 == 155 */
BPF_JMP_IMM(BPF_JEQ, R0, 155, 1),
BPF_EXIT_INSN(),
BPF_ALU32_REG(BPF_ADD, R1, R0),
BPF_ALU32_REG(BPF_ADD, R1, R1),
BPF_ALU32_REG(BPF_ADD, R1, R2),
BPF_ALU32_REG(BPF_ADD, R1, R3),
BPF_ALU32_REG(BPF_ADD, R1, R4),
BPF_ALU32_REG(BPF_ADD, R1, R5),
BPF_ALU32_REG(BPF_ADD, R1, R6),
BPF_ALU32_REG(BPF_ADD, R1, R7),
BPF_ALU32_REG(BPF_ADD, R1, R8),
BPF_ALU32_REG(BPF_ADD, R1, R9), /* R1 == 456 */
BPF_JMP_IMM(BPF_JEQ, R1, 456, 1),
BPF_EXIT_INSN(),
BPF_ALU32_REG(BPF_ADD, R2, R0),
BPF_ALU32_REG(BPF_ADD, R2, R1),
BPF_ALU32_REG(BPF_ADD, R2, R2),
BPF_ALU32_REG(BPF_ADD, R2, R3),
BPF_ALU32_REG(BPF_ADD, R2, R4),
BPF_ALU32_REG(BPF_ADD, R2, R5),
BPF_ALU32_REG(BPF_ADD, R2, R6),
BPF_ALU32_REG(BPF_ADD, R2, R7),
BPF_ALU32_REG(BPF_ADD, R2, R8),
BPF_ALU32_REG(BPF_ADD, R2, R9), /* R2 == 1358 */
BPF_JMP_IMM(BPF_JEQ, R2, 1358, 1),
BPF_EXIT_INSN(),
BPF_ALU32_REG(BPF_ADD, R3, R0),
BPF_ALU32_REG(BPF_ADD, R3, R1),
BPF_ALU32_REG(BPF_ADD, R3, R2),
BPF_ALU32_REG(BPF_ADD, R3, R3),
BPF_ALU32_REG(BPF_ADD, R3, R4),
BPF_ALU32_REG(BPF_ADD, R3, R5),
BPF_ALU32_REG(BPF_ADD, R3, R6),
BPF_ALU32_REG(BPF_ADD, R3, R7),
BPF_ALU32_REG(BPF_ADD, R3, R8),
BPF_ALU32_REG(BPF_ADD, R3, R9), /* R3 == 4063 */
BPF_JMP_IMM(BPF_JEQ, R3, 4063, 1),
BPF_EXIT_INSN(),
BPF_ALU32_REG(BPF_ADD, R4, R0),
BPF_ALU32_REG(BPF_ADD, R4, R1),
BPF_ALU32_REG(BPF_ADD, R4, R2),
BPF_ALU32_REG(BPF_ADD, R4, R3),
BPF_ALU32_REG(BPF_ADD, R4, R4),
BPF_ALU32_REG(BPF_ADD, R4, R5),
BPF_ALU32_REG(BPF_ADD, R4, R6),
BPF_ALU32_REG(BPF_ADD, R4, R7),
BPF_ALU32_REG(BPF_ADD, R4, R8),
BPF_ALU32_REG(BPF_ADD, R4, R9), /* R4 == 12177 */
BPF_JMP_IMM(BPF_JEQ, R4, 12177, 1),
BPF_EXIT_INSN(),
BPF_ALU32_REG(BPF_ADD, R5, R0),
BPF_ALU32_REG(BPF_ADD, R5, R1),
BPF_ALU32_REG(BPF_ADD, R5, R2),
BPF_ALU32_REG(BPF_ADD, R5, R3),
BPF_ALU32_REG(BPF_ADD, R5, R4),
BPF_ALU32_REG(BPF_ADD, R5, R5),
BPF_ALU32_REG(BPF_ADD, R5, R6),
BPF_ALU32_REG(BPF_ADD, R5, R7),
BPF_ALU32_REG(BPF_ADD, R5, R8),
BPF_ALU32_REG(BPF_ADD, R5, R9), /* R5 == 36518 */
BPF_JMP_IMM(BPF_JEQ, R5, 36518, 1),
BPF_EXIT_INSN(),
BPF_ALU32_REG(BPF_ADD, R6, R0),
BPF_ALU32_REG(BPF_ADD, R6, R1),
BPF_ALU32_REG(BPF_ADD, R6, R2),
BPF_ALU32_REG(BPF_ADD, R6, R3),
BPF_ALU32_REG(BPF_ADD, R6, R4),
BPF_ALU32_REG(BPF_ADD, R6, R5),
BPF_ALU32_REG(BPF_ADD, R6, R6),
BPF_ALU32_REG(BPF_ADD, R6, R7),
BPF_ALU32_REG(BPF_ADD, R6, R8),
BPF_ALU32_REG(BPF_ADD, R6, R9), /* R6 == 109540 */
BPF_JMP_IMM(BPF_JEQ, R6, 109540, 1),
BPF_EXIT_INSN(),
BPF_ALU32_REG(BPF_ADD, R7, R0),
BPF_ALU32_REG(BPF_ADD, R7, R1),
BPF_ALU32_REG(BPF_ADD, R7, R2),
BPF_ALU32_REG(BPF_ADD, R7, R3),
BPF_ALU32_REG(BPF_ADD, R7, R4),
BPF_ALU32_REG(BPF_ADD, R7, R5),
BPF_ALU32_REG(BPF_ADD, R7, R6),
BPF_ALU32_REG(BPF_ADD, R7, R7),
BPF_ALU32_REG(BPF_ADD, R7, R8),
BPF_ALU32_REG(BPF_ADD, R7, R9), /* R7 == 328605 */
BPF_JMP_IMM(BPF_JEQ, R7, 328605, 1),
BPF_EXIT_INSN(),
BPF_ALU32_REG(BPF_ADD, R8, R0),
BPF_ALU32_REG(BPF_ADD, R8, R1),
BPF_ALU32_REG(BPF_ADD, R8, R2),
BPF_ALU32_REG(BPF_ADD, R8, R3),
BPF_ALU32_REG(BPF_ADD, R8, R4),
BPF_ALU32_REG(BPF_ADD, R8, R5),
BPF_ALU32_REG(BPF_ADD, R8, R6),
BPF_ALU32_REG(BPF_ADD, R8, R7),
BPF_ALU32_REG(BPF_ADD, R8, R8),
BPF_ALU32_REG(BPF_ADD, R8, R9), /* R8 == 985799 */
BPF_JMP_IMM(BPF_JEQ, R8, 985799, 1),
BPF_EXIT_INSN(),
BPF_ALU32_REG(BPF_ADD, R9, R0),
BPF_ALU32_REG(BPF_ADD, R9, R1),
BPF_ALU32_REG(BPF_ADD, R9, R2),
BPF_ALU32_REG(BPF_ADD, R9, R3),
BPF_ALU32_REG(BPF_ADD, R9, R4),
BPF_ALU32_REG(BPF_ADD, R9, R5),
BPF_ALU32_REG(BPF_ADD, R9, R6),
BPF_ALU32_REG(BPF_ADD, R9, R7),
BPF_ALU32_REG(BPF_ADD, R9, R8),
BPF_ALU32_REG(BPF_ADD, R9, R9), /* R9 == 2957380 */
BPF_ALU32_REG(BPF_MOV, R0, R9),
BPF_EXIT_INSN(),
},
INTERNAL,
{ },
{ { 0, 2957380 } }
},
{ /* Mainly checking JIT here. */
"INT: SUB",
.u.insns_int = {
BPF_ALU64_IMM(BPF_MOV, R0, 0),
BPF_ALU64_IMM(BPF_MOV, R1, 1),
BPF_ALU64_IMM(BPF_MOV, R2, 2),
BPF_ALU64_IMM(BPF_MOV, R3, 3),
BPF_ALU64_IMM(BPF_MOV, R4, 4),
BPF_ALU64_IMM(BPF_MOV, R5, 5),
BPF_ALU64_IMM(BPF_MOV, R6, 6),
BPF_ALU64_IMM(BPF_MOV, R7, 7),
BPF_ALU64_IMM(BPF_MOV, R8, 8),
BPF_ALU64_IMM(BPF_MOV, R9, 9),
BPF_ALU64_REG(BPF_SUB, R0, R0),
BPF_ALU64_REG(BPF_SUB, R0, R1),
BPF_ALU64_REG(BPF_SUB, R0, R2),
BPF_ALU64_REG(BPF_SUB, R0, R3),
BPF_ALU64_REG(BPF_SUB, R0, R4),
BPF_ALU64_REG(BPF_SUB, R0, R5),
BPF_ALU64_REG(BPF_SUB, R0, R6),
BPF_ALU64_REG(BPF_SUB, R0, R7),
BPF_ALU64_REG(BPF_SUB, R0, R8),
BPF_ALU64_REG(BPF_SUB, R0, R9),
BPF_ALU64_IMM(BPF_SUB, R0, 10),
BPF_JMP_IMM(BPF_JEQ, R0, -55, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_SUB, R1, R0),
BPF_ALU64_REG(BPF_SUB, R1, R2),
BPF_ALU64_REG(BPF_SUB, R1, R3),
BPF_ALU64_REG(BPF_SUB, R1, R4),
BPF_ALU64_REG(BPF_SUB, R1, R5),
BPF_ALU64_REG(BPF_SUB, R1, R6),
BPF_ALU64_REG(BPF_SUB, R1, R7),
BPF_ALU64_REG(BPF_SUB, R1, R8),
BPF_ALU64_REG(BPF_SUB, R1, R9),
BPF_ALU64_IMM(BPF_SUB, R1, 10),
BPF_ALU64_REG(BPF_SUB, R2, R0),
BPF_ALU64_REG(BPF_SUB, R2, R1),
BPF_ALU64_REG(BPF_SUB, R2, R3),
BPF_ALU64_REG(BPF_SUB, R2, R4),
BPF_ALU64_REG(BPF_SUB, R2, R5),
BPF_ALU64_REG(BPF_SUB, R2, R6),
BPF_ALU64_REG(BPF_SUB, R2, R7),
BPF_ALU64_REG(BPF_SUB, R2, R8),
BPF_ALU64_REG(BPF_SUB, R2, R9),
BPF_ALU64_IMM(BPF_SUB, R2, 10),
BPF_ALU64_REG(BPF_SUB, R3, R0),
BPF_ALU64_REG(BPF_SUB, R3, R1),
BPF_ALU64_REG(BPF_SUB, R3, R2),
BPF_ALU64_REG(BPF_SUB, R3, R4),
BPF_ALU64_REG(BPF_SUB, R3, R5),
BPF_ALU64_REG(BPF_SUB, R3, R6),
BPF_ALU64_REG(BPF_SUB, R3, R7),
BPF_ALU64_REG(BPF_SUB, R3, R8),
BPF_ALU64_REG(BPF_SUB, R3, R9),
BPF_ALU64_IMM(BPF_SUB, R3, 10),
BPF_ALU64_REG(BPF_SUB, R4, R0),
BPF_ALU64_REG(BPF_SUB, R4, R1),
BPF_ALU64_REG(BPF_SUB, R4, R2),
BPF_ALU64_REG(BPF_SUB, R4, R3),
BPF_ALU64_REG(BPF_SUB, R4, R5),
BPF_ALU64_REG(BPF_SUB, R4, R6),
BPF_ALU64_REG(BPF_SUB, R4, R7),
BPF_ALU64_REG(BPF_SUB, R4, R8),
BPF_ALU64_REG(BPF_SUB, R4, R9),
BPF_ALU64_IMM(BPF_SUB, R4, 10),
BPF_ALU64_REG(BPF_SUB, R5, R0),
BPF_ALU64_REG(BPF_SUB, R5, R1),
BPF_ALU64_REG(BPF_SUB, R5, R2),
BPF_ALU64_REG(BPF_SUB, R5, R3),
BPF_ALU64_REG(BPF_SUB, R5, R4),
BPF_ALU64_REG(BPF_SUB, R5, R6),
BPF_ALU64_REG(BPF_SUB, R5, R7),
BPF_ALU64_REG(BPF_SUB, R5, R8),
BPF_ALU64_REG(BPF_SUB, R5, R9),
BPF_ALU64_IMM(BPF_SUB, R5, 10),
BPF_ALU64_REG(BPF_SUB, R6, R0),
BPF_ALU64_REG(BPF_SUB, R6, R1),
BPF_ALU64_REG(BPF_SUB, R6, R2),
BPF_ALU64_REG(BPF_SUB, R6, R3),
BPF_ALU64_REG(BPF_SUB, R6, R4),
BPF_ALU64_REG(BPF_SUB, R6, R5),
BPF_ALU64_REG(BPF_SUB, R6, R7),
BPF_ALU64_REG(BPF_SUB, R6, R8),
BPF_ALU64_REG(BPF_SUB, R6, R9),
BPF_ALU64_IMM(BPF_SUB, R6, 10),
BPF_ALU64_REG(BPF_SUB, R7, R0),
BPF_ALU64_REG(BPF_SUB, R7, R1),
BPF_ALU64_REG(BPF_SUB, R7, R2),
BPF_ALU64_REG(BPF_SUB, R7, R3),
BPF_ALU64_REG(BPF_SUB, R7, R4),
BPF_ALU64_REG(BPF_SUB, R7, R5),
BPF_ALU64_REG(BPF_SUB, R7, R6),
BPF_ALU64_REG(BPF_SUB, R7, R8),
BPF_ALU64_REG(BPF_SUB, R7, R9),
BPF_ALU64_IMM(BPF_SUB, R7, 10),
BPF_ALU64_REG(BPF_SUB, R8, R0),
BPF_ALU64_REG(BPF_SUB, R8, R1),
BPF_ALU64_REG(BPF_SUB, R8, R2),
BPF_ALU64_REG(BPF_SUB, R8, R3),
BPF_ALU64_REG(BPF_SUB, R8, R4),
BPF_ALU64_REG(BPF_SUB, R8, R5),
BPF_ALU64_REG(BPF_SUB, R8, R6),
BPF_ALU64_REG(BPF_SUB, R8, R7),
BPF_ALU64_REG(BPF_SUB, R8, R9),
BPF_ALU64_IMM(BPF_SUB, R8, 10),
BPF_ALU64_REG(BPF_SUB, R9, R0),
BPF_ALU64_REG(BPF_SUB, R9, R1),
BPF_ALU64_REG(BPF_SUB, R9, R2),
BPF_ALU64_REG(BPF_SUB, R9, R3),
BPF_ALU64_REG(BPF_SUB, R9, R4),
BPF_ALU64_REG(BPF_SUB, R9, R5),
BPF_ALU64_REG(BPF_SUB, R9, R6),
BPF_ALU64_REG(BPF_SUB, R9, R7),
BPF_ALU64_REG(BPF_SUB, R9, R8),
BPF_ALU64_IMM(BPF_SUB, R9, 10),
BPF_ALU64_IMM(BPF_SUB, R0, 10),
BPF_ALU64_IMM(BPF_NEG, R0, 0),
BPF_ALU64_REG(BPF_SUB, R0, R1),
BPF_ALU64_REG(BPF_SUB, R0, R2),
BPF_ALU64_REG(BPF_SUB, R0, R3),
BPF_ALU64_REG(BPF_SUB, R0, R4),
BPF_ALU64_REG(BPF_SUB, R0, R5),
BPF_ALU64_REG(BPF_SUB, R0, R6),
BPF_ALU64_REG(BPF_SUB, R0, R7),
BPF_ALU64_REG(BPF_SUB, R0, R8),
BPF_ALU64_REG(BPF_SUB, R0, R9),
BPF_EXIT_INSN(),
},
INTERNAL,
{ },
{ { 0, 11 } }
},
{ /* Mainly checking JIT here. */
"INT: XOR",
.u.insns_int = {
BPF_ALU64_REG(BPF_SUB, R0, R0),
BPF_ALU64_REG(BPF_XOR, R1, R1),
BPF_JMP_REG(BPF_JEQ, R0, R1, 1),
BPF_EXIT_INSN(),
BPF_ALU64_IMM(BPF_MOV, R0, 10),
BPF_ALU64_IMM(BPF_MOV, R1, -1),
BPF_ALU64_REG(BPF_SUB, R1, R1),
BPF_ALU64_REG(BPF_XOR, R2, R2),
BPF_JMP_REG(BPF_JEQ, R1, R2, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_SUB, R2, R2),
BPF_ALU64_REG(BPF_XOR, R3, R3),
BPF_ALU64_IMM(BPF_MOV, R0, 10),
BPF_ALU64_IMM(BPF_MOV, R1, -1),
BPF_JMP_REG(BPF_JEQ, R2, R3, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_SUB, R3, R3),
BPF_ALU64_REG(BPF_XOR, R4, R4),
BPF_ALU64_IMM(BPF_MOV, R2, 1),
BPF_ALU64_IMM(BPF_MOV, R5, -1),
BPF_JMP_REG(BPF_JEQ, R3, R4, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_SUB, R4, R4),
BPF_ALU64_REG(BPF_XOR, R5, R5),
BPF_ALU64_IMM(BPF_MOV, R3, 1),
BPF_ALU64_IMM(BPF_MOV, R7, -1),
BPF_JMP_REG(BPF_JEQ, R5, R4, 1),
BPF_EXIT_INSN(),
BPF_ALU64_IMM(BPF_MOV, R5, 1),
BPF_ALU64_REG(BPF_SUB, R5, R5),
BPF_ALU64_REG(BPF_XOR, R6, R6),
BPF_ALU64_IMM(BPF_MOV, R1, 1),
BPF_ALU64_IMM(BPF_MOV, R8, -1),
BPF_JMP_REG(BPF_JEQ, R5, R6, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_SUB, R6, R6),
BPF_ALU64_REG(BPF_XOR, R7, R7),
BPF_JMP_REG(BPF_JEQ, R7, R6, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_SUB, R7, R7),
BPF_ALU64_REG(BPF_XOR, R8, R8),
BPF_JMP_REG(BPF_JEQ, R7, R8, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_SUB, R8, R8),
BPF_ALU64_REG(BPF_XOR, R9, R9),
BPF_JMP_REG(BPF_JEQ, R9, R8, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_SUB, R9, R9),
BPF_ALU64_REG(BPF_XOR, R0, R0),
BPF_JMP_REG(BPF_JEQ, R9, R0, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_SUB, R1, R1),
BPF_ALU64_REG(BPF_XOR, R0, R0),
BPF_JMP_REG(BPF_JEQ, R9, R0, 2),
BPF_ALU64_IMM(BPF_MOV, R0, 0),
BPF_EXIT_INSN(),
BPF_ALU64_IMM(BPF_MOV, R0, 1),
BPF_EXIT_INSN(),
},
INTERNAL,
{ },
{ { 0, 1 } }
},
{ /* Mainly checking JIT here. */
"INT: MUL",
.u.insns_int = {
BPF_ALU64_IMM(BPF_MOV, R0, 11),
BPF_ALU64_IMM(BPF_MOV, R1, 1),
BPF_ALU64_IMM(BPF_MOV, R2, 2),
BPF_ALU64_IMM(BPF_MOV, R3, 3),
BPF_ALU64_IMM(BPF_MOV, R4, 4),
BPF_ALU64_IMM(BPF_MOV, R5, 5),
BPF_ALU64_IMM(BPF_MOV, R6, 6),
BPF_ALU64_IMM(BPF_MOV, R7, 7),
BPF_ALU64_IMM(BPF_MOV, R8, 8),
BPF_ALU64_IMM(BPF_MOV, R9, 9),
BPF_ALU64_REG(BPF_MUL, R0, R0),
BPF_ALU64_REG(BPF_MUL, R0, R1),
BPF_ALU64_REG(BPF_MUL, R0, R2),
BPF_ALU64_REG(BPF_MUL, R0, R3),
BPF_ALU64_REG(BPF_MUL, R0, R4),
BPF_ALU64_REG(BPF_MUL, R0, R5),
BPF_ALU64_REG(BPF_MUL, R0, R6),
BPF_ALU64_REG(BPF_MUL, R0, R7),
BPF_ALU64_REG(BPF_MUL, R0, R8),
BPF_ALU64_REG(BPF_MUL, R0, R9),
BPF_ALU64_IMM(BPF_MUL, R0, 10),
BPF_JMP_IMM(BPF_JEQ, R0, 439084800, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_MUL, R1, R0),
BPF_ALU64_REG(BPF_MUL, R1, R2),
BPF_ALU64_REG(BPF_MUL, R1, R3),
BPF_ALU64_REG(BPF_MUL, R1, R4),
BPF_ALU64_REG(BPF_MUL, R1, R5),
BPF_ALU64_REG(BPF_MUL, R1, R6),
BPF_ALU64_REG(BPF_MUL, R1, R7),
BPF_ALU64_REG(BPF_MUL, R1, R8),
BPF_ALU64_REG(BPF_MUL, R1, R9),
BPF_ALU64_IMM(BPF_MUL, R1, 10),
BPF_ALU64_REG(BPF_MOV, R2, R1),
BPF_ALU64_IMM(BPF_RSH, R2, 32),
BPF_JMP_IMM(BPF_JEQ, R2, 0x5a924, 1),
BPF_EXIT_INSN(),
BPF_ALU64_IMM(BPF_LSH, R1, 32),
BPF_ALU64_IMM(BPF_ARSH, R1, 32),
BPF_JMP_IMM(BPF_JEQ, R1, 0xebb90000, 1),
BPF_EXIT_INSN(),
BPF_ALU64_REG(BPF_MUL, R2, R0),
BPF_ALU64_REG(BPF_MUL, R2, R1),
BPF_ALU64_REG(BPF_MUL, R2, R3),
BPF_ALU64_REG(BPF_MUL, R2, R4),
BPF_ALU64_REG(BPF_MUL, R2, R5),
BPF_ALU64_REG(BPF_MUL, R2, R6),
BPF_ALU64_REG(BPF_MUL, R2, R7),
BPF_ALU64_REG(BPF_MUL, R2, R8),
BPF_ALU64_REG(BPF_MUL, R2, R9),
BPF_ALU64_IMM(BPF_MUL, R2, 10),
BPF_ALU64_IMM(BPF_RSH, R2, 32),
BPF_ALU64_REG(BPF_MOV, R0, R2),
BPF_EXIT_INSN(),
},
INTERNAL,
{ },
{ { 0, 0x35d97ef2 } }
},
{
"INT: ALU MIX",
.u.insns_int = {
BPF_ALU64_IMM(BPF_MOV, R0, 11),
BPF_ALU64_IMM(BPF_ADD, R0, -1),
BPF_ALU64_IMM(BPF_MOV, R2, 2),
BPF_ALU64_IMM(BPF_XOR, R2, 3),
BPF_ALU64_REG(BPF_DIV, R0, R2),
BPF_JMP_IMM(BPF_JEQ, R0, 10, 1),
BPF_EXIT_INSN(),
BPF_ALU64_IMM(BPF_MOD, R0, 3),
BPF_JMP_IMM(BPF_JEQ, R0, 1, 1),
BPF_EXIT_INSN(),
BPF_ALU64_IMM(BPF_MOV, R0, -1),
BPF_EXIT_INSN(),
},
INTERNAL,
{ },
{ { 0, -1 } }
},
{
"INT: shifts by register",
.u.insns_int = {
BPF_MOV64_IMM(R0, -1234),
BPF_MOV64_IMM(R1, 1),
BPF_ALU32_REG(BPF_RSH, R0, R1),
BPF_JMP_IMM(BPF_JEQ, R0, 0x7ffffd97, 1),
BPF_EXIT_INSN(),
BPF_MOV64_IMM(R2, 1),
BPF_ALU64_REG(BPF_LSH, R0, R2),
BPF_MOV32_IMM(R4, -1234),
BPF_JMP_REG(BPF_JEQ, R0, R4, 1),
BPF_EXIT_INSN(),
BPF_ALU64_IMM(BPF_AND, R4, 63),
BPF_ALU64_REG(BPF_LSH, R0, R4), /* R0 <= 46 */
BPF_MOV64_IMM(R3, 47),
BPF_ALU64_REG(BPF_ARSH, R0, R3),
BPF_JMP_IMM(BPF_JEQ, R0, -617, 1),
BPF_EXIT_INSN(),
BPF_MOV64_IMM(R2, 1),
BPF_ALU64_REG(BPF_LSH, R4, R2), /* R4 = 46 << 1 */
BPF_JMP_IMM(BPF_JEQ, R4, 92, 1),
BPF_EXIT_INSN(),
BPF_MOV64_IMM(R4, 4),
BPF_ALU64_REG(BPF_LSH, R4, R4), /* R4 = 4 << 4 */
BPF_JMP_IMM(BPF_JEQ, R4, 64, 1),
BPF_EXIT_INSN(),
BPF_MOV64_IMM(R4, 5),
BPF_ALU32_REG(BPF_LSH, R4, R4), /* R4 = 5 << 5 */
BPF_JMP_IMM(BPF_JEQ, R4, 160, 1),
BPF_EXIT_INSN(),
BPF_MOV64_IMM(R0, -1),
BPF_EXIT_INSN(),
},
INTERNAL,
{ },
{ { 0, -1 } }
},
{
"INT: DIV + ABS",
.u.insns_int = {
BPF_ALU64_REG(BPF_MOV, R6, R1),
BPF_LD_ABS(BPF_B, 3),
BPF_ALU64_IMM(BPF_MOV, R2, 2),
BPF_ALU32_REG(BPF_DIV, R0, R2),
BPF_ALU64_REG(BPF_MOV, R8, R0),
BPF_LD_ABS(BPF_B, 4),
BPF_ALU64_REG(BPF_ADD, R8, R0),
BPF_LD_IND(BPF_B, R8, -70),
BPF_EXIT_INSN(),
},
INTERNAL,
{ 10, 20, 30, 40, 50 },
{ { 4, 0 }, { 5, 10 } }
},
{
"INT: DIV by zero",
.u.insns_int = {
BPF_ALU64_REG(BPF_MOV, R6, R1),
BPF_ALU64_IMM(BPF_MOV, R7, 0),
BPF_LD_ABS(BPF_B, 3),
BPF_ALU32_REG(BPF_DIV, R0, R7),
BPF_EXIT_INSN(),
},
INTERNAL,
{ 10, 20, 30, 40, 50 },
{ { 3, 0 }, { 4, 0 } }
},
{
"check: missing ret",
.u.insns = {
BPF_STMT(BPF_LD | BPF_IMM, 1),
},
CLASSIC | FLAG_NO_DATA | FLAG_EXPECTED_FAIL,
{ },
{ }
},
{
"check: div_k_0",
.u.insns = {
BPF_STMT(BPF_ALU | BPF_DIV | BPF_K, 0),
BPF_STMT(BPF_RET | BPF_K, 0)
},
CLASSIC | FLAG_NO_DATA | FLAG_EXPECTED_FAIL,
{ },
{ }
},
{
"check: unknown insn",
.u.insns = {
/* seccomp insn, rejected in socket filter */
BPF_STMT(BPF_LDX | BPF_W | BPF_ABS, 0),
BPF_STMT(BPF_RET | BPF_K, 0)
},
CLASSIC | FLAG_EXPECTED_FAIL,
{ },
{ }
},
{
"check: out of range spill/fill",
.u.insns = {
BPF_STMT(BPF_STX, 16),
BPF_STMT(BPF_RET | BPF_K, 0)
},
CLASSIC | FLAG_NO_DATA | FLAG_EXPECTED_FAIL,
{ },
{ }
},
{
"JUMPS + HOLES",
.u.insns = {
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_JUMP(BPF_JMP | BPF_JGE, 0, 13, 15),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_JUMP(BPF_JMP | BPF_JEQ, 0x90c2894d, 3, 4),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_JUMP(BPF_JMP | BPF_JEQ, 0x90c2894d, 1, 2),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_JUMP(BPF_JMP | BPF_JGE, 0, 14, 15),
BPF_JUMP(BPF_JMP | BPF_JGE, 0, 13, 14),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_JUMP(BPF_JMP | BPF_JEQ, 0x2ac28349, 2, 3),
BPF_JUMP(BPF_JMP | BPF_JEQ, 0x2ac28349, 1, 2),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_JUMP(BPF_JMP | BPF_JGE, 0, 14, 15),
BPF_JUMP(BPF_JMP | BPF_JGE, 0, 13, 14),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_JUMP(BPF_JMP | BPF_JEQ, 0x90d2ff41, 2, 3),
BPF_JUMP(BPF_JMP | BPF_JEQ, 0x90d2ff41, 1, 2),
BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 0),
BPF_STMT(BPF_RET | BPF_A, 0),
BPF_STMT(BPF_RET | BPF_A, 0),
},
CLASSIC,
{ 0x00, 0x1b, 0x21, 0x3c, 0x9d, 0xf8,
0x90, 0xe2, 0xba, 0x0a, 0x56, 0xb4,
0x08, 0x00,
0x45, 0x00, 0x00, 0x28, 0x00, 0x00,
0x20, 0x00, 0x40, 0x11, 0x00, 0x00, /* IP header */
0xc0, 0xa8, 0x33, 0x01,
0xc0, 0xa8, 0x33, 0x02,
0xbb, 0xb6,
0xa9, 0xfa,
0x00, 0x14, 0x00, 0x00,
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
0xcc, 0xcc, 0xcc, 0xcc },
{ { 88, 0x001b } }
},
{
"check: RET X",
.u.insns = {
BPF_STMT(BPF_RET | BPF_X, 0),
},
CLASSIC | FLAG_NO_DATA | FLAG_EXPECTED_FAIL,
{ },
{ },
},
{
"check: LDX + RET X",
.u.insns = {
BPF_STMT(BPF_LDX | BPF_IMM, 42),
BPF_STMT(BPF_RET | BPF_X, 0),
},
CLASSIC | FLAG_NO_DATA | FLAG_EXPECTED_FAIL,
{ },
{ },
},
{ /* Mainly checking JIT here. */
"M[]: alt STX + LDX",
.u.insns = {
BPF_STMT(BPF_LDX | BPF_IMM, 100),
BPF_STMT(BPF_STX, 0),
BPF_STMT(BPF_LDX | BPF_MEM, 0),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_STX, 1),
BPF_STMT(BPF_LDX | BPF_MEM, 1),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_STX, 2),
BPF_STMT(BPF_LDX | BPF_MEM, 2),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_STX, 3),
BPF_STMT(BPF_LDX | BPF_MEM, 3),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_STX, 4),
BPF_STMT(BPF_LDX | BPF_MEM, 4),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_STX, 5),
BPF_STMT(BPF_LDX | BPF_MEM, 5),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_STX, 6),
BPF_STMT(BPF_LDX | BPF_MEM, 6),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_STX, 7),
BPF_STMT(BPF_LDX | BPF_MEM, 7),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_STX, 8),
BPF_STMT(BPF_LDX | BPF_MEM, 8),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_STX, 9),
BPF_STMT(BPF_LDX | BPF_MEM, 9),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_STX, 10),
BPF_STMT(BPF_LDX | BPF_MEM, 10),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_STX, 11),
BPF_STMT(BPF_LDX | BPF_MEM, 11),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_STX, 12),
BPF_STMT(BPF_LDX | BPF_MEM, 12),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_STX, 13),
BPF_STMT(BPF_LDX | BPF_MEM, 13),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_STX, 14),
BPF_STMT(BPF_LDX | BPF_MEM, 14),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_STX, 15),
BPF_STMT(BPF_LDX | BPF_MEM, 15),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 1),
BPF_STMT(BPF_MISC | BPF_TAX, 0),
BPF_STMT(BPF_RET | BPF_A, 0),
},
CLASSIC | FLAG_NO_DATA,
{ },
{ { 0, 116 } },
},
{ /* Mainly checking JIT here. */
"M[]: full STX + full LDX",
.u.insns = {
BPF_STMT(BPF_LDX | BPF_IMM, 0xbadfeedb),
BPF_STMT(BPF_STX, 0),
BPF_STMT(BPF_LDX | BPF_IMM, 0xecabedae),
BPF_STMT(BPF_STX, 1),
BPF_STMT(BPF_LDX | BPF_IMM, 0xafccfeaf),
BPF_STMT(BPF_STX, 2),
BPF_STMT(BPF_LDX | BPF_IMM, 0xbffdcedc),
BPF_STMT(BPF_STX, 3),
BPF_STMT(BPF_LDX | BPF_IMM, 0xfbbbdccb),
BPF_STMT(BPF_STX, 4),
BPF_STMT(BPF_LDX | BPF_IMM, 0xfbabcbda),
BPF_STMT(BPF_STX, 5),
BPF_STMT(BPF_LDX | BPF_IMM, 0xaedecbdb),
BPF_STMT(BPF_STX, 6),
BPF_STMT(BPF_LDX | BPF_IMM, 0xadebbade),
BPF_STMT(BPF_STX, 7),
BPF_STMT(BPF_LDX | BPF_IMM, 0xfcfcfaec),
BPF_STMT(BPF_STX, 8),
BPF_STMT(BPF_LDX | BPF_IMM, 0xbcdddbdc),
BPF_STMT(BPF_STX, 9),
BPF_STMT(BPF_LDX | BPF_IMM, 0xfeefdfac),
BPF_STMT(BPF_STX, 10),
BPF_STMT(BPF_LDX | BPF_IMM, 0xcddcdeea),
BPF_STMT(BPF_STX, 11),
BPF_STMT(BPF_LDX | BPF_IMM, 0xaccfaebb),
BPF_STMT(BPF_STX, 12),
BPF_STMT(BPF_LDX | BPF_IMM, 0xbdcccdcf),
BPF_STMT(BPF_STX, 13),
BPF_STMT(BPF_LDX | BPF_IMM, 0xaaedecde),
BPF_STMT(BPF_STX, 14),
BPF_STMT(BPF_LDX | BPF_IMM, 0xfaeacdad),
BPF_STMT(BPF_STX, 15),
BPF_STMT(BPF_LDX | BPF_MEM, 0),
BPF_STMT(BPF_MISC | BPF_TXA, 0),
BPF_STMT(BPF_LDX | BPF_MEM, 1),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_LDX | BPF_MEM, 2),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_LDX | BPF_MEM, 3),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_LDX | BPF_MEM, 4),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_LDX | BPF_MEM, 5),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_LDX | BPF_MEM, 6),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_LDX | BPF_MEM, 7),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_LDX | BPF_MEM, 8),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_LDX | BPF_MEM, 9),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_LDX | BPF_MEM, 10),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_LDX | BPF_MEM, 11),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_LDX | BPF_MEM, 12),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_LDX | BPF_MEM, 13),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_LDX | BPF_MEM, 14),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_LDX | BPF_MEM, 15),
BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
BPF_STMT(BPF_RET | BPF_A, 0),
},
CLASSIC | FLAG_NO_DATA,
{ },
{ { 0, 0x2a5a5e5 } },
},
{
"check: SKF_AD_MAX",
.u.insns = {
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF + SKF_AD_MAX),
BPF_STMT(BPF_RET | BPF_A, 0),
},
CLASSIC | FLAG_NO_DATA | FLAG_EXPECTED_FAIL,
{ },
{ },
},
{ /* Passes checker but fails during runtime. */
"LD [SKF_AD_OFF-1]",
.u.insns = {
BPF_STMT(BPF_LD | BPF_W | BPF_ABS,
SKF_AD_OFF - 1),
BPF_STMT(BPF_RET | BPF_K, 1),
},
CLASSIC,
{ },
{ { 1, 0 } },
},
{
"load 64-bit immediate",
.u.insns_int = {
BPF_LD_IMM64(R1, 0x567800001234LL),
BPF_MOV64_REG(R2, R1),
BPF_MOV64_REG(R3, R2),
BPF_ALU64_IMM(BPF_RSH, R2, 32),
BPF_ALU64_IMM(BPF_LSH, R3, 32),
BPF_ALU64_IMM(BPF_RSH, R3, 32),
BPF_ALU64_IMM(BPF_MOV, R0, 0),
BPF_JMP_IMM(BPF_JEQ, R2, 0x5678, 1),
BPF_EXIT_INSN(),
BPF_JMP_IMM(BPF_JEQ, R3, 0x1234, 1),
BPF_EXIT_INSN(),
BPF_ALU64_IMM(BPF_MOV, R0, 1),
BPF_EXIT_INSN(),
},
INTERNAL,
{ },
{ { 0, 1 } }
},
{
"nmap reduced",
.u.insns_int = {
BPF_MOV64_REG(R6, R1),
BPF_LD_ABS(BPF_H, 12),
BPF_JMP_IMM(BPF_JNE, R0, 0x806, 28),
BPF_LD_ABS(BPF_H, 12),
BPF_JMP_IMM(BPF_JNE, R0, 0x806, 26),
BPF_MOV32_IMM(R0, 18),
BPF_STX_MEM(BPF_W, R10, R0, -64),
BPF_LDX_MEM(BPF_W, R7, R10, -64),
BPF_LD_IND(BPF_W, R7, 14),
BPF_STX_MEM(BPF_W, R10, R0, -60),
BPF_MOV32_IMM(R0, 280971478),
BPF_STX_MEM(BPF_W, R10, R0, -56),
BPF_LDX_MEM(BPF_W, R7, R10, -56),
BPF_LDX_MEM(BPF_W, R0, R10, -60),
BPF_ALU32_REG(BPF_SUB, R0, R7),
BPF_JMP_IMM(BPF_JNE, R0, 0, 15),
BPF_LD_ABS(BPF_H, 12),
BPF_JMP_IMM(BPF_JNE, R0, 0x806, 13),
BPF_MOV32_IMM(R0, 22),
BPF_STX_MEM(BPF_W, R10, R0, -56),
BPF_LDX_MEM(BPF_W, R7, R10, -56),
BPF_LD_IND(BPF_H, R7, 14),
BPF_STX_MEM(BPF_W, R10, R0, -52),
BPF_MOV32_IMM(R0, 17366),
BPF_STX_MEM(BPF_W, R10, R0, -48),
BPF_LDX_MEM(BPF_W, R7, R10, -48),
BPF_LDX_MEM(BPF_W, R0, R10, -52),
BPF_ALU32_REG(BPF_SUB, R0, R7),
BPF_JMP_IMM(BPF_JNE, R0, 0, 2),
BPF_MOV32_IMM(R0, 256),
BPF_EXIT_INSN(),
BPF_MOV32_IMM(R0, 0),
BPF_EXIT_INSN(),
},
INTERNAL,
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x08, 0x06, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0x10, 0xbf, 0x48, 0xd6, 0x43, 0xd6},
{ { 38, 256 } }
},
};
static struct net_device dev;
static struct sk_buff *populate_skb(char *buf, int size)
{
struct sk_buff *skb;
if (size >= MAX_DATA)
return NULL;
skb = alloc_skb(MAX_DATA, GFP_KERNEL);
if (!skb)
return NULL;
memcpy(__skb_put(skb, size), buf, size);
/* Initialize a fake skb with test pattern. */
skb_reset_mac_header(skb);
skb->protocol = htons(ETH_P_IP);
skb->pkt_type = SKB_TYPE;
skb->mark = SKB_MARK;
skb->hash = SKB_HASH;
skb->queue_mapping = SKB_QUEUE_MAP;
skb->vlan_tci = SKB_VLAN_TCI;
skb->dev = &dev;
skb->dev->ifindex = SKB_DEV_IFINDEX;
skb->dev->type = SKB_DEV_TYPE;
skb_set_network_header(skb, min(size, ETH_HLEN));
return skb;
}
static void *generate_test_data(struct bpf_test *test, int sub)
{
if (test->aux & FLAG_NO_DATA)
return NULL;
/* Test case expects an skb, so populate one. Various
* subtests generate skbs of different sizes based on
* the same data.
*/
return populate_skb(test->data, test->test[sub].data_size);
}
static void release_test_data(const struct bpf_test *test, void *data)
{
if (test->aux & FLAG_NO_DATA)
return;
kfree_skb(data);
}
static int probe_filter_length(struct sock_filter *fp)
{
int len = 0;
for (len = MAX_INSNS - 1; len > 0; --len)
if (fp[len].code != 0 || fp[len].k != 0)
break;
return len + 1;
}
static struct bpf_prog *generate_filter(int which, int *err)
{
struct bpf_prog *fp;
struct sock_fprog_kern fprog;
unsigned int flen = probe_filter_length(tests[which].u.insns);
__u8 test_type = tests[which].aux & TEST_TYPE_MASK;
switch (test_type) {
case CLASSIC:
fprog.filter = tests[which].u.insns;
fprog.len = flen;
*err = bpf_prog_create(&fp, &fprog);
if (tests[which].aux & FLAG_EXPECTED_FAIL) {
if (*err == -EINVAL) {
pr_cont("PASS\n");
/* Verifier rejected filter as expected. */
*err = 0;
return NULL;
} else {
pr_cont("UNEXPECTED_PASS\n");
/* Verifier didn't reject the test that's
* bad enough, just return!
*/
*err = -EINVAL;
return NULL;
}
}
/* We don't expect to fail. */
if (*err) {
pr_cont("FAIL to attach err=%d len=%d\n",
*err, fprog.len);
return NULL;
}
break;
case INTERNAL:
fp = bpf_prog_alloc(bpf_prog_size(flen), 0);
if (fp == NULL) {
pr_cont("UNEXPECTED_FAIL no memory left\n");
*err = -ENOMEM;
return NULL;
}
fp->len = flen;
memcpy(fp->insnsi, tests[which].u.insns_int,
fp->len * sizeof(struct bpf_insn));
bpf_prog_select_runtime(fp);
break;
}
*err = 0;
return fp;
}
static void release_filter(struct bpf_prog *fp, int which)
{
__u8 test_type = tests[which].aux & TEST_TYPE_MASK;
switch (test_type) {
case CLASSIC:
bpf_prog_destroy(fp);
break;
case INTERNAL:
bpf_prog_free(fp);
break;
}
}
static int __run_one(const struct bpf_prog *fp, const void *data,
int runs, u64 *duration)
{
u64 start, finish;
int ret = 0, i;
start = ktime_to_us(ktime_get());
for (i = 0; i < runs; i++)
ret = BPF_PROG_RUN(fp, data);
finish = ktime_to_us(ktime_get());
*duration = (finish - start) * 1000ULL;
do_div(*duration, runs);
return ret;
}
static int run_one(const struct bpf_prog *fp, struct bpf_test *test)
{
int err_cnt = 0, i, runs = MAX_TESTRUNS;
for (i = 0; i < MAX_SUBTESTS; i++) {
void *data;
u64 duration;
u32 ret;
if (test->test[i].data_size == 0 &&
test->test[i].result == 0)
break;
data = generate_test_data(test, i);
ret = __run_one(fp, data, runs, &duration);
release_test_data(test, data);
if (ret == test->test[i].result) {
pr_cont("%lld ", duration);
} else {
pr_cont("ret %d != %d ", ret,
test->test[i].result);
err_cnt++;
}
}
return err_cnt;
}
static __init int test_bpf(void)
{
int i, err_cnt = 0, pass_cnt = 0;
for (i = 0; i < ARRAY_SIZE(tests); i++) {
struct bpf_prog *fp;
int err;
pr_info("#%d %s ", i, tests[i].descr);
fp = generate_filter(i, &err);
if (fp == NULL) {
if (err == 0) {
pass_cnt++;
continue;
}
return err;
}
err = run_one(fp, &tests[i]);
release_filter(fp, i);
if (err) {
pr_cont("FAIL (%d times)\n", err);
err_cnt++;
} else {
pr_cont("PASS\n");
pass_cnt++;
}
}
pr_info("Summary: %d PASSED, %d FAILED\n", pass_cnt, err_cnt);
return err_cnt ? -EINVAL : 0;
}
static int __init test_bpf_init(void)
{
return test_bpf();
}
static void __exit test_bpf_exit(void)
{
}
module_init(test_bpf_init);
module_exit(test_bpf_exit);
MODULE_LICENSE("GPL");