diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig | 14 | ||||
| -rw-r--r-- | lib/Kconfig.debug | 14 | ||||
| -rw-r--r-- | lib/Makefile | 4 | ||||
| -rw-r--r-- | lib/cpumask.c | 63 | ||||
| -rw-r--r-- | lib/crc7.c | 84 | ||||
| -rw-r--r-- | lib/interval_tree.c | 6 | ||||
| -rw-r--r-- | lib/interval_tree_test.c (renamed from lib/interval_tree_test_main.c) | 0 | ||||
| -rw-r--r-- | lib/test_bpf.c | 1929 |
8 files changed, 2074 insertions, 40 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index 4771fb3f4da4..334f7722a999 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -331,6 +331,20 @@ config TEXTSEARCH_FSM config BTREE boolean +config INTERVAL_TREE + boolean + help + Simple, embeddable, interval-tree. Can find the start of an + overlapping range in log(n) time and then iterate over all + overlapping nodes. The algorithm is implemented as an + augmented rbtree. + + See: + + Documentation/rbtree.txt + + for more information. + config ASSOCIATIVE_ARRAY bool help diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index ccca32264748..7cfcc1b8e101 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1511,6 +1511,7 @@ config RBTREE_TEST config INTERVAL_TREE_TEST tristate "Interval tree test" depends on m && DEBUG_KERNEL + select INTERVAL_TREE help A benchmark measuring the performance of the interval tree library @@ -1635,6 +1636,19 @@ config TEST_USER_COPY If unsure, say N. +config TEST_BPF + tristate "Test BPF filter functionality" + default n + depends on m && NET + help + This builds the "test_bpf" module that runs various test vectors + against the BPF interpreter or BPF JIT compiler depending on the + current setting. This is in particular useful for BPF JIT compiler + development, but also to run regression tests against changes in + the interpreter code. + + If unsure, say N. + source "samples/Kconfig" source "lib/Kconfig.kgdb" diff --git a/lib/Makefile b/lib/Makefile index 74a32dc49a93..ba967a19edba 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -33,6 +33,7 @@ obj-y += kstrtox.o obj-$(CONFIG_TEST_KSTRTOX) += test-kstrtox.o obj-$(CONFIG_TEST_MODULE) += test_module.o obj-$(CONFIG_TEST_USER_COPY) += test_user_copy.o +obj-$(CONFIG_TEST_BPF) += test_bpf.o ifeq ($(CONFIG_DEBUG_KOBJECT),y) CFLAGS_kobject.o += -DDEBUG @@ -50,6 +51,7 @@ CFLAGS_hweight.o = $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS)) obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o obj-$(CONFIG_BTREE) += btree.o +obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o obj-$(CONFIG_DEBUG_LIST) += list_debug.o @@ -157,8 +159,6 @@ lib-$(CONFIG_LIBFDT) += $(libfdt_files) obj-$(CONFIG_RBTREE_TEST) += rbtree_test.o obj-$(CONFIG_INTERVAL_TREE_TEST) += interval_tree_test.o -interval_tree_test-objs := interval_tree_test_main.o interval_tree.o - obj-$(CONFIG_PERCPU_TEST) += percpu_test.o obj-$(CONFIG_ASN1) += asn1_decoder.o diff --git a/lib/cpumask.c b/lib/cpumask.c index b810b753c607..c101230658eb 100644 --- a/lib/cpumask.c +++ b/lib/cpumask.c @@ -164,3 +164,66 @@ void __init free_bootmem_cpumask_var(cpumask_var_t mask) memblock_free_early(__pa(mask), cpumask_size()); } #endif + +/** + * cpumask_set_cpu_local_first - set i'th cpu with local numa cpu's first + * + * @i: index number + * @numa_node: local numa_node + * @dstp: cpumask with the relevant cpu bit set according to the policy + * + * This function sets the cpumask according to a numa aware policy. + * cpumask could be used as an affinity hint for the IRQ related to a + * queue. When the policy is to spread queues across cores - local cores + * first. + * + * Returns 0 on success, -ENOMEM for no memory, and -EAGAIN when failed to set + * the cpu bit and need to re-call the function. + */ +int cpumask_set_cpu_local_first(int i, int numa_node, cpumask_t *dstp) +{ + cpumask_var_t mask; + int cpu; + int ret = 0; + + if (!zalloc_cpumask_var(&mask, GFP_KERNEL)) + return -ENOMEM; + + i %= num_online_cpus(); + + if (!cpumask_of_node(numa_node)) { + /* Use all online cpu's for non numa aware system */ + cpumask_copy(mask, cpu_online_mask); + } else { + int n; + + cpumask_and(mask, + cpumask_of_node(numa_node), cpu_online_mask); + + n = cpumask_weight(mask); + if (i >= n) { + i -= n; + + /* If index > number of local cpu's, mask out local + * cpu's + */ + cpumask_andnot(mask, cpu_online_mask, mask); + } + } + + for_each_cpu(cpu, mask) { + if (--i < 0) + goto out; + } + + ret = -EAGAIN; + +out: + free_cpumask_var(mask); + + if (!ret) + cpumask_set_cpu(cpu, dstp); + + return ret; +} +EXPORT_SYMBOL(cpumask_set_cpu_local_first); diff --git a/lib/crc7.c b/lib/crc7.c index f1c3a144cec1..bf6255e23919 100644 --- a/lib/crc7.c +++ b/lib/crc7.c @@ -10,42 +10,47 @@ #include <linux/crc7.h> -/* Table for CRC-7 (polynomial x^7 + x^3 + 1) */ -const u8 crc7_syndrome_table[256] = { - 0x00, 0x09, 0x12, 0x1b, 0x24, 0x2d, 0x36, 0x3f, - 0x48, 0x41, 0x5a, 0x53, 0x6c, 0x65, 0x7e, 0x77, - 0x19, 0x10, 0x0b, 0x02, 0x3d, 0x34, 0x2f, 0x26, - 0x51, 0x58, 0x43, 0x4a, 0x75, 0x7c, 0x67, 0x6e, - 0x32, 0x3b, 0x20, 0x29, 0x16, 0x1f, 0x04, 0x0d, - 0x7a, 0x73, 0x68, 0x61, 0x5e, 0x57, 0x4c, 0x45, - 0x2b, 0x22, 0x39, 0x30, 0x0f, 0x06, 0x1d, 0x14, - 0x63, 0x6a, 0x71, 0x78, 0x47, 0x4e, 0x55, 0x5c, - 0x64, 0x6d, 0x76, 0x7f, 0x40, 0x49, 0x52, 0x5b, - 0x2c, 0x25, 0x3e, 0x37, 0x08, 0x01, 0x1a, 0x13, - 0x7d, 0x74, 0x6f, 0x66, 0x59, 0x50, 0x4b, 0x42, - 0x35, 0x3c, 0x27, 0x2e, 0x11, 0x18, 0x03, 0x0a, - 0x56, 0x5f, 0x44, 0x4d, 0x72, 0x7b, 0x60, 0x69, - 0x1e, 0x17, 0x0c, 0x05, 0x3a, 0x33, 0x28, 0x21, - 0x4f, 0x46, 0x5d, 0x54, 0x6b, 0x62, 0x79, 0x70, - 0x07, 0x0e, 0x15, 0x1c, 0x23, 0x2a, 0x31, 0x38, - 0x41, 0x48, 0x53, 0x5a, 0x65, 0x6c, 0x77, 0x7e, - 0x09, 0x00, 0x1b, 0x12, 0x2d, 0x24, 0x3f, 0x36, - 0x58, 0x51, 0x4a, 0x43, 0x7c, 0x75, 0x6e, 0x67, - 0x10, 0x19, 0x02, 0x0b, 0x34, 0x3d, 0x26, 0x2f, - 0x73, 0x7a, 0x61, 0x68, 0x57, 0x5e, 0x45, 0x4c, - 0x3b, 0x32, 0x29, 0x20, 0x1f, 0x16, 0x0d, 0x04, - 0x6a, 0x63, 0x78, 0x71, 0x4e, 0x47, 0x5c, 0x55, - 0x22, 0x2b, 0x30, 0x39, 0x06, 0x0f, 0x14, 0x1d, - 0x25, 0x2c, 0x37, 0x3e, 0x01, 0x08, 0x13, 0x1a, - 0x6d, 0x64, 0x7f, 0x76, 0x49, 0x40, 0x5b, 0x52, - 0x3c, 0x35, 0x2e, 0x27, 0x18, 0x11, 0x0a, 0x03, - 0x74, 0x7d, 0x66, 0x6f, 0x50, 0x59, 0x42, 0x4b, - 0x17, 0x1e, 0x05, 0x0c, 0x33, 0x3a, 0x21, 0x28, - 0x5f, 0x56, 0x4d, 0x44, 0x7b, 0x72, 0x69, 0x60, - 0x0e, 0x07, 0x1c, 0x15, 0x2a, 0x23, 0x38, 0x31, - 0x46, 0x4f, 0x54, 0x5d, 0x62, 0x6b, 0x70, 0x79 +/* + * Table for CRC-7 (polynomial x^7 + x^3 + 1). + * This is a big-endian CRC (msbit is highest power of x), + * aligned so the msbit of the byte is the x^6 coefficient + * and the lsbit is not used. + */ +const u8 crc7_be_syndrome_table[256] = { + 0x00, 0x12, 0x24, 0x36, 0x48, 0x5a, 0x6c, 0x7e, + 0x90, 0x82, 0xb4, 0xa6, 0xd8, 0xca, 0xfc, 0xee, + 0x32, 0x20, 0x16, 0x04, 0x7a, 0x68, 0x5e, 0x4c, + 0xa2, 0xb0, 0x86, 0x94, 0xea, 0xf8, 0xce, 0xdc, + 0x64, 0x76, 0x40, 0x52, 0x2c, 0x3e, 0x08, 0x1a, + 0xf4, 0xe6, 0xd0, 0xc2, 0xbc, 0xae, 0x98, 0x8a, + 0x56, 0x44, 0x72, 0x60, 0x1e, 0x0c, 0x3a, 0x28, + 0xc6, 0xd4, 0xe2, 0xf0, 0x8e, 0x9c, 0xaa, 0xb8, + 0xc8, 0xda, 0xec, 0xfe, 0x80, 0x92, 0xa4, 0xb6, + 0x58, 0x4a, 0x7c, 0x6e, 0x10, 0x02, 0x34, 0x26, + 0xfa, 0xe8, 0xde, 0xcc, 0xb2, 0xa0, 0x96, 0x84, + 0x6a, 0x78, 0x4e, 0x5c, 0x22, 0x30, 0x06, 0x14, + 0xac, 0xbe, 0x88, 0x9a, 0xe4, 0xf6, 0xc0, 0xd2, + 0x3c, 0x2e, 0x18, 0x0a, 0x74, 0x66, 0x50, 0x42, + 0x9e, 0x8c, 0xba, 0xa8, 0xd6, 0xc4, 0xf2, 0xe0, + 0x0e, 0x1c, 0x2a, 0x38, 0x46, 0x54, 0x62, 0x70, + 0x82, 0x90, 0xa6, 0xb4, 0xca, 0xd8, 0xee, 0xfc, + 0x12, 0x00, 0x36, 0x24, 0x5a, 0x48, 0x7e, 0x6c, + 0xb0, 0xa2, 0x94, 0x86, 0xf8, 0xea, 0xdc, 0xce, + 0x20, 0x32, 0x04, 0x16, 0x68, 0x7a, 0x4c, 0x5e, + 0xe6, 0xf4, 0xc2, 0xd0, 0xae, 0xbc, 0x8a, 0x98, + 0x76, 0x64, 0x52, 0x40, 0x3e, 0x2c, 0x1a, 0x08, + 0xd4, 0xc6, 0xf0, 0xe2, 0x9c, 0x8e, 0xb8, 0xaa, + 0x44, 0x56, 0x60, 0x72, 0x0c, 0x1e, 0x28, 0x3a, + 0x4a, 0x58, 0x6e, 0x7c, 0x02, 0x10, 0x26, 0x34, + 0xda, 0xc8, 0xfe, 0xec, 0x92, 0x80, 0xb6, 0xa4, + 0x78, 0x6a, 0x5c, 0x4e, 0x30, 0x22, 0x14, 0x06, + 0xe8, 0xfa, 0xcc, 0xde, 0xa0, 0xb2, 0x84, 0x96, + 0x2e, 0x3c, 0x0a, 0x18, 0x66, 0x74, 0x42, 0x50, + 0xbe, 0xac, 0x9a, 0x88, 0xf6, 0xe4, 0xd2, 0xc0, + 0x1c, 0x0e, 0x38, 0x2a, 0x54, 0x46, 0x70, 0x62, + 0x8c, 0x9e, 0xa8, 0xba, 0xc4, 0xd6, 0xe0, 0xf2 }; -EXPORT_SYMBOL(crc7_syndrome_table); +EXPORT_SYMBOL(crc7_be_syndrome_table); /** * crc7 - update the CRC7 for the data buffer @@ -55,14 +60,17 @@ EXPORT_SYMBOL(crc7_syndrome_table); * Context: any * * Returns the updated CRC7 value. + * The CRC7 is left-aligned in the byte (the lsbit is always 0), as that + * makes the computation easier, and all callers want it in that form. + * */ -u8 crc7(u8 crc, const u8 *buffer, size_t len) +u8 crc7_be(u8 crc, const u8 *buffer, size_t len) { while (len--) - crc = crc7_byte(crc, *buffer++); + crc = crc7_be_byte(crc, *buffer++); return crc; } -EXPORT_SYMBOL(crc7); +EXPORT_SYMBOL(crc7_be); MODULE_DESCRIPTION("CRC7 calculations"); MODULE_LICENSE("GPL"); diff --git a/lib/interval_tree.c b/lib/interval_tree.c index e6eb406f2d65..f367f9ad544c 100644 --- a/lib/interval_tree.c +++ b/lib/interval_tree.c @@ -1,6 +1,7 @@ #include <linux/init.h> #include <linux/interval_tree.h> #include <linux/interval_tree_generic.h> +#include <linux/module.h> #define START(node) ((node)->start) #define LAST(node) ((node)->last) @@ -8,3 +9,8 @@ INTERVAL_TREE_DEFINE(struct interval_tree_node, rb, unsigned long, __subtree_last, START, LAST,, interval_tree) + +EXPORT_SYMBOL_GPL(interval_tree_insert); +EXPORT_SYMBOL_GPL(interval_tree_remove); +EXPORT_SYMBOL_GPL(interval_tree_iter_first); +EXPORT_SYMBOL_GPL(interval_tree_iter_next); diff --git a/lib/interval_tree_test_main.c b/lib/interval_tree_test.c index 245900b98c8e..245900b98c8e 100644 --- a/lib/interval_tree_test_main.c +++ b/lib/interval_tree_test.c diff --git a/lib/test_bpf.c b/lib/test_bpf.c new file mode 100644 index 000000000000..c579e0f58818 --- /dev/null +++ b/lib/test_bpf.c @@ -0,0 +1,1929 @@ +/* + * 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 sock_filter_int 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_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_ALU | BPF_ADD | BPF_X, 0), + BPF_STMT(BPF_RET | BPF_A, 0) + }, + CLASSIC | FLAG_NO_DATA, + { }, + { { 0, 0x40000001 } } + }, + { + "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: 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 } }, + }, +}; + +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 sk_filter *generate_filter(int which, int *err) +{ + struct sk_filter *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 = sk_unattached_filter_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 = kzalloc(sk_filter_size(flen), GFP_KERNEL); + 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 sock_filter_int)); + + sk_filter_select_runtime(fp); + break; + } + + *err = 0; + return fp; +} + +static void release_filter(struct sk_filter *fp, int which) +{ + __u8 test_type = tests[which].aux & TEST_TYPE_MASK; + + switch (test_type) { + case CLASSIC: + sk_unattached_filter_destroy(fp); + break; + case INTERNAL: + sk_filter_free(fp); + break; + } +} + +static int __run_one(const struct sk_filter *fp, const void *data, + int runs, u64 *duration) +{ + u64 start, finish; + int ret, i; + + start = ktime_to_us(ktime_get()); + + for (i = 0; i < runs; i++) + ret = SK_RUN_FILTER(fp, data); + + finish = ktime_to_us(ktime_get()); + + *duration = (finish - start) * 1000ULL; + do_div(*duration, runs); + + return ret; +} + +static int run_one(const struct sk_filter *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 sk_filter *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"); |