983 lines
26 KiB
C
983 lines
26 KiB
C
/* $NetBSD: t_mbuf.c,v 1.2 2017/01/13 21:30:42 christos Exp $ */
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/*-
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* Copyright (c) 2014 Alexander Nasonov.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: t_mbuf.c,v 1.2 2017/01/13 21:30:42 christos Exp $");
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#include <sys/param.h>
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#include <sys/mbuf.h>
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#include <net/bpf.h>
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#include <net/bpfjit.h>
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#include <stdint.h>
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#include <string.h>
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#include <rump/rump.h>
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#include <rump/rump_syscalls.h>
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#include "../../net/bpf/h_bpf.h"
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/* XXX: atf-c.h has collisions with mbuf */
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#undef m_type
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#undef m_data
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#include <atf-c.h>
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#include "h_macros.h"
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static bool
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test_ldb_abs(size_t split)
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{
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/* Return a product of all packet bytes. */
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static struct bpf_insn insns[] = {
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BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 1), /* X <- 1 */
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BPF_STMT(BPF_LD+BPF_B+BPF_ABS, 0), /* A <- P[0] */
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BPF_STMT(BPF_ALU+BPF_MUL+BPF_X, 0), /* A <- A * X */
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BPF_STMT(BPF_MISC+BPF_TAX, 0), /* X <- A */
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BPF_STMT(BPF_LD+BPF_B+BPF_ABS, 1), /* A <- P[1] */
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BPF_STMT(BPF_ALU+BPF_MUL+BPF_X, 0), /* A <- A * X */
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BPF_STMT(BPF_MISC+BPF_TAX, 0), /* X <- A */
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BPF_STMT(BPF_LD+BPF_B+BPF_ABS, 2), /* A <- P[2] */
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BPF_STMT(BPF_ALU+BPF_MUL+BPF_X, 0), /* A <- A * X */
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BPF_STMT(BPF_MISC+BPF_TAX, 0), /* X <- A */
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BPF_STMT(BPF_LD+BPF_B+BPF_ABS, 3), /* A <- P[3] */
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BPF_STMT(BPF_ALU+BPF_MUL+BPF_X, 0), /* A <- A * X */
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BPF_STMT(BPF_MISC+BPF_TAX, 0), /* X <- A */
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BPF_STMT(BPF_LD+BPF_B+BPF_ABS, 4), /* A <- P[4] */
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BPF_STMT(BPF_ALU+BPF_MUL+BPF_X, 0), /* A <- A * X */
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BPF_STMT(BPF_RET+BPF_A, 0), /* ret A */
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};
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static unsigned char P[] = { 1, 2, 3, 4, 5 };
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const unsigned int res = 120;
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const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
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if (!prog_validate(insns, insn_count))
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return false;
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return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == res;
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}
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static bool
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test_ldh_abs(size_t split)
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{
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static struct bpf_insn insns[] = {
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BPF_STMT(BPF_LD+BPF_H+BPF_ABS, 0), /* A <- P[0:2] */
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0), /* A <- A + X */
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BPF_STMT(BPF_MISC+BPF_TAX, 0), /* X <- A */
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BPF_STMT(BPF_LD+BPF_H+BPF_ABS, 1), /* A <- P[1:2] */
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0), /* A <- A + X */
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BPF_STMT(BPF_MISC+BPF_TAX, 0), /* X <- A */
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BPF_STMT(BPF_LD+BPF_H+BPF_ABS, 2), /* A <- P[2:2] */
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0), /* A <- A + X */
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BPF_STMT(BPF_MISC+BPF_TAX, 0), /* X <- A */
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BPF_STMT(BPF_LD+BPF_H+BPF_ABS, 3), /* A <- P[3:2] */
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0), /* A <- A + X */
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BPF_STMT(BPF_RET+BPF_A, 0), /* ret A */
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};
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static unsigned char P[] = { 1, 2, 3, 4, 5 };
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const unsigned int res = 0x0a0e; /* 10 14 */
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const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
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if (!prog_validate(insns, insn_count))
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return false;
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return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == res;
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}
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static bool
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test_ldw_abs(size_t split)
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{
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static struct bpf_insn insns[] = {
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BPF_STMT(BPF_LD+BPF_W+BPF_ABS, 0), /* A <- P[0:4] */
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0), /* A <- A + X */
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BPF_STMT(BPF_MISC+BPF_TAX, 0), /* X <- A */
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BPF_STMT(BPF_LD+BPF_W+BPF_ABS, 1), /* A <- P[1:4] */
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0), /* A <- A + X */
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BPF_STMT(BPF_RET+BPF_A, 0), /* ret A */
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};
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static unsigned char P[] = { 1, 2, 3, 4, 5 };
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const unsigned int res = 0x03050709;
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const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
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if (!prog_validate(insns, insn_count))
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return false;
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return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == res;
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}
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static bool
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test_ldb_ind(size_t split)
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{
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/* Return a sum of all packet bytes. */
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static struct bpf_insn insns[] = {
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BPF_STMT(BPF_LD+BPF_B+BPF_IND, 0), /* A <- P[0+X] */
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BPF_STMT(BPF_ST, 0), /* M[0] <- A */
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BPF_STMT(BPF_LD+BPF_B+BPF_IND, 1), /* A <- P[1+X] */
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BPF_STMT(BPF_LDX+BPF_W+BPF_MEM, 0), /* X <- M[0] */
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0), /* A <- A + X */
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BPF_STMT(BPF_ST, 0), /* M[0] <- A */
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BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 1), /* X <- 1 */
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BPF_STMT(BPF_LD+BPF_B+BPF_IND, 1), /* A <- P[1+X] */
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BPF_STMT(BPF_LDX+BPF_W+BPF_MEM, 0), /* X <- M[0] */
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0), /* A <- A + X */
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BPF_STMT(BPF_ST, 0), /* M[0] <- A */
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BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 1), /* X <- 1 */
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BPF_STMT(BPF_LD+BPF_B+BPF_IND, 2), /* A <- P[2+X] */
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BPF_STMT(BPF_LDX+BPF_W+BPF_MEM, 0), /* X <- M[0] */
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0), /* A <- A + X */
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BPF_STMT(BPF_ST, 0), /* M[0] <- A */
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BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 1), /* X <- 1 */
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BPF_STMT(BPF_LD+BPF_B+BPF_IND, 3), /* A <- P[3+X] */
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BPF_STMT(BPF_LDX+BPF_W+BPF_MEM, 0), /* X <- M[0] */
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0), /* A <- A + X */
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BPF_STMT(BPF_RET+BPF_A, 0), /* ret A */
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};
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static unsigned char P[] = { 1, 2, 3, 4, 5 };
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const unsigned int res = 15;
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const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
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if (!prog_validate(insns, insn_count))
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return false;
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return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == res;
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}
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static bool
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test_ldw_ind(size_t split)
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{
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static struct bpf_insn insns[] = {
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BPF_STMT(BPF_LD+BPF_W+BPF_IND, 0), /* A <- P[X+0:4] */
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BPF_STMT(BPF_ST, 0), /* M[0] <- A */
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BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 1), /* X <- 1 */
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BPF_STMT(BPF_LD+BPF_W+BPF_IND, 0), /* A <- P[X+0:4] */
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BPF_STMT(BPF_LDX+BPF_W+BPF_MEM, 0), /* X <- M[0] */
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0), /* A <- A + X */
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BPF_STMT(BPF_ST, 0), /* M[0] <- A */
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BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 0), /* X <- 0 */
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BPF_STMT(BPF_LD+BPF_W+BPF_IND, 1), /* A <- P[X+1:4] */
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BPF_STMT(BPF_LDX+BPF_W+BPF_MEM, 0), /* X <- M[0] */
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0), /* A <- A + X */
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BPF_STMT(BPF_RET+BPF_A, 0), /* ret A */
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};
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static unsigned char P[] = { 1, 2, 3, 4, 5 };
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const unsigned int res = 0x05080b0e;
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const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
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if (!prog_validate(insns, insn_count))
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return false;
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return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == res;
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}
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static bool
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test_ldh_ind(size_t split)
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{
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static struct bpf_insn insns[] = {
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BPF_STMT(BPF_LD+BPF_H+BPF_IND, 0), /* A <- P[X+0:2] */
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BPF_STMT(BPF_ST, 0), /* M[0] <- A */
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BPF_STMT(BPF_LD+BPF_H+BPF_IND, 1), /* A <- P[X+1:2] */
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BPF_STMT(BPF_LDX+BPF_W+BPF_MEM, 0), /* X <- M[0] */
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0), /* A <- A + X */
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BPF_STMT(BPF_ST, 0), /* M[0] <- A */
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BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 1), /* X <- 1 */
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BPF_STMT(BPF_LD+BPF_H+BPF_IND, 1), /* A <- P[X+1:2] */
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BPF_STMT(BPF_LDX+BPF_W+BPF_MEM, 0), /* X <- M[0] */
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0), /* A <- A + X */
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BPF_STMT(BPF_ST, 0), /* M[0] <- A */
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BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 1), /* X <- 1 */
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BPF_STMT(BPF_LD+BPF_H+BPF_IND, 2), /* A <- P[X+2:2] */
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BPF_STMT(BPF_LDX+BPF_W+BPF_MEM, 0), /* X <- M[0] */
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0), /* A <- A + X */
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BPF_STMT(BPF_RET+BPF_A, 0), /* ret A */
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};
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static unsigned char P[] = { 1, 2, 3, 4, 5 };
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const unsigned int res = 0x0a0e; /* 10 14 */
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const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
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if (!prog_validate(insns, insn_count))
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return false;
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return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == res;
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}
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static bool
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test_msh(size_t split)
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{
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/* Return a product of all packet bytes. */
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static struct bpf_insn insns[] = {
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BPF_STMT(BPF_LD+BPF_IMM, 1), /* A <- 1 */
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BPF_STMT(BPF_LDX+BPF_B+BPF_MSH, 0), /* X <- 4*(P[0]&0xf) */
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BPF_STMT(BPF_ALU+BPF_MUL+BPF_X, 0), /* A <- A * X */
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BPF_STMT(BPF_ALU+BPF_DIV+BPF_K, 4), /* A <- A / 4 */
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BPF_STMT(BPF_LDX+BPF_B+BPF_MSH, 1), /* X <- 4*(P[1]&0xf) */
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BPF_STMT(BPF_ALU+BPF_MUL+BPF_X, 0), /* A <- A * X */
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BPF_STMT(BPF_ALU+BPF_DIV+BPF_K, 4), /* A <- A / 4 */
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BPF_STMT(BPF_LDX+BPF_B+BPF_MSH, 2), /* X <- 4*(P[2]&0xf) */
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BPF_STMT(BPF_ALU+BPF_MUL+BPF_X, 0), /* A <- A * X */
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BPF_STMT(BPF_ALU+BPF_DIV+BPF_K, 4), /* A <- A / 4 */
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BPF_STMT(BPF_LDX+BPF_B+BPF_MSH, 3), /* X <- 4*(P[3]&0xf) */
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BPF_STMT(BPF_ALU+BPF_MUL+BPF_X, 0), /* A <- A * X */
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BPF_STMT(BPF_ALU+BPF_DIV+BPF_K, 4), /* A <- A / 4 */
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BPF_STMT(BPF_LDX+BPF_B+BPF_MSH, 4), /* X <- 4*(P[4]&0xf) */
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BPF_STMT(BPF_ALU+BPF_MUL+BPF_X, 0), /* A <- A * X */
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BPF_STMT(BPF_ALU+BPF_DIV+BPF_K, 4), /* A <- A / 4 */
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BPF_STMT(BPF_RET+BPF_A, 0), /* ret A */
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};
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static unsigned char P[] = { 1, 2, 3, 4, 5 };
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const unsigned int res = 120;
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const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
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if (!prog_validate(insns, insn_count))
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return false;
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return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == res;
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}
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static bool
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test_ldb_abs_overflow(size_t split)
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{
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static struct bpf_insn insns[] = {
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BPF_STMT(BPF_LD+BPF_B+BPF_ABS, 5),
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_K, 1),
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BPF_STMT(BPF_RET+BPF_A, 0),
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};
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static unsigned char P[] = { 1, 2, 3, 4, 5 };
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const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
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if (!prog_validate(insns, insn_count))
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return false;
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return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == 0;
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}
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static bool
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test_ldh_abs_overflow(size_t split)
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{
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static struct bpf_insn insns[] = {
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BPF_STMT(BPF_LD+BPF_H+BPF_ABS, 4),
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_K, 1),
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BPF_STMT(BPF_RET+BPF_A, 0),
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};
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static unsigned char P[] = { 1, 2, 3, 4, 5 };
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const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
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if (!prog_validate(insns, insn_count))
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return false;
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return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == 0;
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}
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static bool
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test_ldw_abs_overflow(size_t split)
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{
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static struct bpf_insn insns[] = {
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BPF_STMT(BPF_LD+BPF_W+BPF_ABS, 2),
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_K, 1),
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BPF_STMT(BPF_RET+BPF_A, 0),
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};
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static unsigned char P[] = { 1, 2, 3, 4, 5 };
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const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
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if (!prog_validate(insns, insn_count))
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return false;
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return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == 0;
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}
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static bool
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test_ldb_ind_overflow1(size_t split)
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{
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static struct bpf_insn insns[] = {
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BPF_STMT(BPF_LD+BPF_B+BPF_IND, 5),
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_K, 1),
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BPF_STMT(BPF_RET+BPF_A, 0),
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};
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static unsigned char P[] = { 1, 2, 3, 4, 5 };
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const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
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if (!prog_validate(insns, insn_count))
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return false;
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return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == 0;
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}
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static bool
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test_ldb_ind_overflow2(size_t split)
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{
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static struct bpf_insn insns[] = {
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BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 4),
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BPF_STMT(BPF_LD+BPF_B+BPF_IND, 1),
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0),
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BPF_STMT(BPF_RET+BPF_A, 0),
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};
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static unsigned char P[] = { 1, 2, 3, 4, 5 };
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const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
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if (!prog_validate(insns, insn_count))
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return false;
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return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == 0;
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}
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static bool
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test_ldb_ind_overflow3(size_t split)
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{
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static struct bpf_insn insns[] = {
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BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, UINT32_MAX),
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BPF_STMT(BPF_LD+BPF_B+BPF_IND, 1),
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BPF_STMT(BPF_ALU+BPF_ADD+BPF_K, 1),
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BPF_STMT(BPF_RET+BPF_A, 0),
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};
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static unsigned char P[] = { 1, 2, 3, 4, 5 };
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const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
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if (!prog_validate(insns, insn_count))
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return false;
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return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == 0;
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}
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static bool
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test_ldh_ind_overflow1(size_t split)
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{
|
|
static struct bpf_insn insns[] = {
|
|
BPF_STMT(BPF_LD+BPF_H+BPF_IND, 4),
|
|
BPF_STMT(BPF_ALU+BPF_ADD+BPF_K, 1),
|
|
BPF_STMT(BPF_RET+BPF_A, 0),
|
|
};
|
|
|
|
static unsigned char P[] = { 1, 2, 3, 4, 5 };
|
|
const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
|
|
|
|
if (!prog_validate(insns, insn_count))
|
|
return false;
|
|
|
|
return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == 0;
|
|
}
|
|
|
|
static bool
|
|
test_ldh_ind_overflow2(size_t split)
|
|
{
|
|
static struct bpf_insn insns[] = {
|
|
BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 3),
|
|
BPF_STMT(BPF_LD+BPF_H+BPF_IND, 1),
|
|
BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0),
|
|
BPF_STMT(BPF_RET+BPF_A, 0),
|
|
};
|
|
|
|
static unsigned char P[] = { 1, 2, 3, 4, 5 };
|
|
const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
|
|
|
|
if (!prog_validate(insns, insn_count))
|
|
return false;
|
|
|
|
return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == 0;
|
|
}
|
|
|
|
static bool
|
|
test_ldh_ind_overflow3(size_t split)
|
|
{
|
|
static struct bpf_insn insns[] = {
|
|
BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, UINT32_MAX),
|
|
BPF_STMT(BPF_LD+BPF_H+BPF_IND, 1),
|
|
BPF_STMT(BPF_ALU+BPF_ADD+BPF_K, 1),
|
|
BPF_STMT(BPF_RET+BPF_A, 0),
|
|
};
|
|
|
|
static unsigned char P[] = { 1, 2, 3, 4, 5 };
|
|
const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
|
|
|
|
if (!prog_validate(insns, insn_count))
|
|
return false;
|
|
|
|
return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == 0;
|
|
}
|
|
|
|
static bool
|
|
test_ldw_ind_overflow1(size_t split)
|
|
{
|
|
static struct bpf_insn insns[] = {
|
|
BPF_STMT(BPF_LD+BPF_W+BPF_IND, 2),
|
|
BPF_STMT(BPF_ALU+BPF_ADD+BPF_K, 1),
|
|
BPF_STMT(BPF_RET+BPF_A, 0),
|
|
};
|
|
|
|
static unsigned char P[] = { 1, 2, 3, 4, 5 };
|
|
const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
|
|
|
|
if (!prog_validate(insns, insn_count))
|
|
return false;
|
|
|
|
return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == 0;
|
|
}
|
|
|
|
static bool
|
|
test_ldw_ind_overflow2(size_t split)
|
|
{
|
|
static struct bpf_insn insns[] = {
|
|
BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, 1),
|
|
BPF_STMT(BPF_LD+BPF_W+BPF_IND, 1),
|
|
BPF_STMT(BPF_ALU+BPF_ADD+BPF_X, 0),
|
|
BPF_STMT(BPF_RET+BPF_A, 0),
|
|
};
|
|
|
|
static unsigned char P[] = { 1, 2, 3, 4, 5 };
|
|
const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
|
|
|
|
if (!prog_validate(insns, insn_count))
|
|
return false;
|
|
|
|
return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == 0;
|
|
}
|
|
|
|
static bool
|
|
test_ldw_ind_overflow3(size_t split)
|
|
{
|
|
static struct bpf_insn insns[] = {
|
|
BPF_STMT(BPF_LDX+BPF_W+BPF_IMM, UINT32_MAX),
|
|
BPF_STMT(BPF_LD+BPF_W+BPF_IND, 1),
|
|
BPF_STMT(BPF_ALU+BPF_ADD+BPF_K, 1),
|
|
BPF_STMT(BPF_RET+BPF_A, 0),
|
|
};
|
|
|
|
static unsigned char P[] = { 1, 2, 3, 4, 5 };
|
|
const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
|
|
|
|
if (!prog_validate(insns, insn_count))
|
|
return false;
|
|
|
|
return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == 0;
|
|
}
|
|
|
|
static bool
|
|
test_msh_overflow(size_t split)
|
|
{
|
|
static struct bpf_insn insns[] = {
|
|
BPF_STMT(BPF_LDX+BPF_B+BPF_MSH, 5),
|
|
BPF_STMT(BPF_MISC+BPF_TXA, 0),
|
|
BPF_STMT(BPF_ALU+BPF_ADD+BPF_K, 1),
|
|
BPF_STMT(BPF_RET+BPF_A, 0),
|
|
};
|
|
|
|
static unsigned char P[] = { 1, 2, 3, 4, 5 };
|
|
const size_t insn_count = sizeof(insns) / sizeof(insns[0]);
|
|
|
|
if (!prog_validate(insns, insn_count))
|
|
return false;
|
|
|
|
return exec_prog_mchain2(insns, insn_count, P, sizeof(P), split) == 0;
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldb_abs);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldb_abs, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_B+BPF_ABS "
|
|
"loads bytes from mbuf correctly");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldb_abs, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldb_abs(0));
|
|
ATF_CHECK(test_ldb_abs(1));
|
|
ATF_CHECK(test_ldb_abs(2));
|
|
ATF_CHECK(test_ldb_abs(3));
|
|
ATF_CHECK(test_ldb_abs(4));
|
|
ATF_CHECK(test_ldb_abs(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldh_abs);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldh_abs, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_H+BPF_ABS "
|
|
"loads halfwords from mbuf correctly");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldh_abs, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldh_abs(0));
|
|
ATF_CHECK(test_ldh_abs(1));
|
|
ATF_CHECK(test_ldh_abs(2));
|
|
ATF_CHECK(test_ldh_abs(3));
|
|
ATF_CHECK(test_ldh_abs(4));
|
|
ATF_CHECK(test_ldh_abs(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldw_abs);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldw_abs, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_W+BPF_ABS "
|
|
"loads words from mbuf correctly");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldw_abs, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldw_abs(0));
|
|
ATF_CHECK(test_ldw_abs(1));
|
|
ATF_CHECK(test_ldw_abs(2));
|
|
ATF_CHECK(test_ldw_abs(3));
|
|
ATF_CHECK(test_ldw_abs(4));
|
|
ATF_CHECK(test_ldw_abs(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldb_ind);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldb_ind, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_B+BPF_IND "
|
|
"loads bytes from mbuf correctly");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldb_ind, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldb_ind(0));
|
|
ATF_CHECK(test_ldb_ind(1));
|
|
ATF_CHECK(test_ldb_ind(2));
|
|
ATF_CHECK(test_ldb_ind(3));
|
|
ATF_CHECK(test_ldb_ind(4));
|
|
ATF_CHECK(test_ldb_ind(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldh_ind);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldh_ind, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_H+BPF_IND "
|
|
"loads halfwords from mbuf correctly");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldh_ind, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldh_ind(0));
|
|
ATF_CHECK(test_ldh_ind(1));
|
|
ATF_CHECK(test_ldh_ind(2));
|
|
ATF_CHECK(test_ldh_ind(3));
|
|
ATF_CHECK(test_ldh_ind(4));
|
|
ATF_CHECK(test_ldh_ind(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldw_ind);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldw_ind, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_W+BPF_IND "
|
|
"loads words from mbuf correctly");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldw_ind, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldw_ind(0));
|
|
ATF_CHECK(test_ldw_ind(1));
|
|
ATF_CHECK(test_ldw_ind(2));
|
|
ATF_CHECK(test_ldw_ind(3));
|
|
ATF_CHECK(test_ldw_ind(4));
|
|
ATF_CHECK(test_ldw_ind(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_msh);
|
|
ATF_TC_HEAD(bpfjit_mbuf_msh, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LDX+BPF_B+BPF_MSH "
|
|
"loads bytes from mbuf correctly");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_msh, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_msh(0));
|
|
ATF_CHECK(test_msh(1));
|
|
ATF_CHECK(test_msh(2));
|
|
ATF_CHECK(test_msh(3));
|
|
ATF_CHECK(test_msh(4));
|
|
ATF_CHECK(test_msh(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldb_abs_overflow);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldb_abs_overflow, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_B+BPF_ABS "
|
|
"with out-of-bounds index aborts a filter program");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldb_abs_overflow, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldb_abs_overflow(0));
|
|
ATF_CHECK(test_ldb_abs_overflow(1));
|
|
ATF_CHECK(test_ldb_abs_overflow(2));
|
|
ATF_CHECK(test_ldb_abs_overflow(3));
|
|
ATF_CHECK(test_ldb_abs_overflow(4));
|
|
ATF_CHECK(test_ldb_abs_overflow(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldh_abs_overflow);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldh_abs_overflow, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_H+BPF_ABS "
|
|
"with out-of-bounds index aborts a filter program");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldh_abs_overflow, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldh_abs_overflow(0));
|
|
ATF_CHECK(test_ldh_abs_overflow(1));
|
|
ATF_CHECK(test_ldh_abs_overflow(2));
|
|
ATF_CHECK(test_ldh_abs_overflow(3));
|
|
ATF_CHECK(test_ldh_abs_overflow(4));
|
|
ATF_CHECK(test_ldh_abs_overflow(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldw_abs_overflow);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldw_abs_overflow, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_W+BPF_ABS "
|
|
"with out-of-bounds index aborts a filter program");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldw_abs_overflow, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldw_abs_overflow(0));
|
|
ATF_CHECK(test_ldw_abs_overflow(1));
|
|
ATF_CHECK(test_ldw_abs_overflow(2));
|
|
ATF_CHECK(test_ldw_abs_overflow(3));
|
|
ATF_CHECK(test_ldw_abs_overflow(4));
|
|
ATF_CHECK(test_ldw_abs_overflow(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldb_ind_overflow1);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldb_ind_overflow1, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_B+BPF_IND "
|
|
"with out-of-bounds index aborts a filter program");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldb_ind_overflow1, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldb_ind_overflow1(0));
|
|
ATF_CHECK(test_ldb_ind_overflow1(1));
|
|
ATF_CHECK(test_ldb_ind_overflow1(2));
|
|
ATF_CHECK(test_ldb_ind_overflow1(3));
|
|
ATF_CHECK(test_ldb_ind_overflow1(4));
|
|
ATF_CHECK(test_ldb_ind_overflow1(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldb_ind_overflow2);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldb_ind_overflow2, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_B+BPF_IND "
|
|
"with out-of-bounds index aborts a filter program");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldb_ind_overflow2, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldb_ind_overflow2(0));
|
|
ATF_CHECK(test_ldb_ind_overflow2(1));
|
|
ATF_CHECK(test_ldb_ind_overflow2(2));
|
|
ATF_CHECK(test_ldb_ind_overflow2(3));
|
|
ATF_CHECK(test_ldb_ind_overflow2(4));
|
|
ATF_CHECK(test_ldb_ind_overflow2(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldb_ind_overflow3);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldb_ind_overflow3, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_B+BPF_IND "
|
|
"with out-of-bounds index aborts a filter program");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldb_ind_overflow3, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldb_ind_overflow3(0));
|
|
ATF_CHECK(test_ldb_ind_overflow3(1));
|
|
ATF_CHECK(test_ldb_ind_overflow3(2));
|
|
ATF_CHECK(test_ldb_ind_overflow3(3));
|
|
ATF_CHECK(test_ldb_ind_overflow3(4));
|
|
ATF_CHECK(test_ldb_ind_overflow3(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldh_ind_overflow1);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldh_ind_overflow1, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_H+BPF_IND "
|
|
"with out-of-bounds index aborts a filter program");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldh_ind_overflow1, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldh_ind_overflow1(0));
|
|
ATF_CHECK(test_ldh_ind_overflow1(1));
|
|
ATF_CHECK(test_ldh_ind_overflow1(2));
|
|
ATF_CHECK(test_ldh_ind_overflow1(3));
|
|
ATF_CHECK(test_ldh_ind_overflow1(4));
|
|
ATF_CHECK(test_ldh_ind_overflow1(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldh_ind_overflow2);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldh_ind_overflow2, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_H+BPF_IND "
|
|
"with out-of-bounds index aborts a filter program");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldh_ind_overflow2, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldh_ind_overflow2(0));
|
|
ATF_CHECK(test_ldh_ind_overflow2(1));
|
|
ATF_CHECK(test_ldh_ind_overflow2(2));
|
|
ATF_CHECK(test_ldh_ind_overflow2(3));
|
|
ATF_CHECK(test_ldh_ind_overflow2(4));
|
|
ATF_CHECK(test_ldh_ind_overflow2(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldh_ind_overflow3);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldh_ind_overflow3, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_H+BPF_IND "
|
|
"with out-of-bounds index aborts a filter program");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldh_ind_overflow3, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldh_ind_overflow3(0));
|
|
ATF_CHECK(test_ldh_ind_overflow3(1));
|
|
ATF_CHECK(test_ldh_ind_overflow3(2));
|
|
ATF_CHECK(test_ldh_ind_overflow3(3));
|
|
ATF_CHECK(test_ldh_ind_overflow3(4));
|
|
ATF_CHECK(test_ldh_ind_overflow3(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldw_ind_overflow1);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldw_ind_overflow1, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_W+BPF_IND "
|
|
"with out-of-bounds index aborts a filter program");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldw_ind_overflow1, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldw_ind_overflow1(0));
|
|
ATF_CHECK(test_ldw_ind_overflow1(1));
|
|
ATF_CHECK(test_ldw_ind_overflow1(2));
|
|
ATF_CHECK(test_ldw_ind_overflow1(3));
|
|
ATF_CHECK(test_ldw_ind_overflow1(4));
|
|
ATF_CHECK(test_ldw_ind_overflow1(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldw_ind_overflow2);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldw_ind_overflow2, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_W+BPF_IND "
|
|
"with out-of-bounds index aborts a filter program");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldw_ind_overflow2, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldw_ind_overflow2(0));
|
|
ATF_CHECK(test_ldw_ind_overflow2(1));
|
|
ATF_CHECK(test_ldw_ind_overflow2(2));
|
|
ATF_CHECK(test_ldw_ind_overflow2(3));
|
|
ATF_CHECK(test_ldw_ind_overflow2(4));
|
|
ATF_CHECK(test_ldw_ind_overflow2(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_ldw_ind_overflow3);
|
|
ATF_TC_HEAD(bpfjit_mbuf_ldw_ind_overflow3, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LD+BPF_W+BPF_IND "
|
|
"with out-of-bounds index aborts a filter program");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_ldw_ind_overflow3, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_ldw_ind_overflow3(0));
|
|
ATF_CHECK(test_ldw_ind_overflow3(1));
|
|
ATF_CHECK(test_ldw_ind_overflow3(2));
|
|
ATF_CHECK(test_ldw_ind_overflow3(3));
|
|
ATF_CHECK(test_ldw_ind_overflow3(4));
|
|
ATF_CHECK(test_ldw_ind_overflow3(5));
|
|
}
|
|
|
|
ATF_TC(bpfjit_mbuf_msh_overflow);
|
|
ATF_TC_HEAD(bpfjit_mbuf_msh_overflow, tc)
|
|
{
|
|
|
|
atf_tc_set_md_var(tc, "descr", "Check that BPF_LDX+BPF_B+BPF_MSH "
|
|
"with out-of-bounds index aborts a filter program");
|
|
}
|
|
|
|
ATF_TC_BODY(bpfjit_mbuf_msh_overflow, tc)
|
|
{
|
|
|
|
RZ(rump_init());
|
|
|
|
ATF_CHECK(test_msh_overflow(0));
|
|
ATF_CHECK(test_msh_overflow(1));
|
|
ATF_CHECK(test_msh_overflow(2));
|
|
ATF_CHECK(test_msh_overflow(3));
|
|
ATF_CHECK(test_msh_overflow(4));
|
|
ATF_CHECK(test_msh_overflow(5));
|
|
}
|
|
|
|
ATF_TP_ADD_TCS(tp)
|
|
{
|
|
|
|
/*
|
|
* For every new test please also add a similar test
|
|
* to ../../net/bpf/t_mbuf.c
|
|
*/
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldb_abs);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldh_abs);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldw_abs);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldb_ind);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldh_ind);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldw_ind);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_msh);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldb_abs_overflow);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldh_abs_overflow);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldw_abs_overflow);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldb_ind_overflow1);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldb_ind_overflow2);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldb_ind_overflow3);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldh_ind_overflow1);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldh_ind_overflow2);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldh_ind_overflow3);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldw_ind_overflow1);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldw_ind_overflow2);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_ldw_ind_overflow3);
|
|
ATF_TP_ADD_TC(tp, bpfjit_mbuf_msh_overflow);
|
|
|
|
return atf_no_error();
|
|
}
|