You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
500 lines
15 KiB
500 lines
15 KiB
/*
|
|
* Check bpf(BPF_OBJ_GET_INFO_BY_FD) decoding.
|
|
*
|
|
* Copyright (c) 2018 The strace developers.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "tests.h"
|
|
|
|
#ifndef CHECK_OBJ_PROG
|
|
# define CHECK_OBJ_PROG 0
|
|
#endif
|
|
|
|
#include <inttypes.h>
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <sys/sysmacros.h>
|
|
#include <asm/unistd.h>
|
|
|
|
#include "print_fields.h"
|
|
#include "scno.h"
|
|
|
|
#ifdef HAVE_LINUX_BPF_H
|
|
# include <linux/bpf.h>
|
|
#endif
|
|
|
|
#include "bpf_attr.h"
|
|
|
|
#include "xlat.h"
|
|
#include "xlat/bpf_map_flags.h"
|
|
#include "xlat/bpf_map_types.h"
|
|
#include "xlat/bpf_prog_types.h"
|
|
|
|
#define XLAT_MACROS_ONLY
|
|
#include "xlat/bpf_commands.h"
|
|
#include "xlat/bpf_op_alu.h"
|
|
#include "xlat/bpf_op_jmp.h"
|
|
#include "xlat/bpf_size.h"
|
|
#include "xlat/bpf_src.h"
|
|
#include "xlat/ebpf_class.h"
|
|
#include "xlat/ebpf_mode.h"
|
|
#include "xlat/ebpf_op_alu.h"
|
|
#include "xlat/ebpf_regs.h"
|
|
#include "xlat/ebpf_size.h"
|
|
|
|
#ifndef HAVE_STRUCT_BPF_INSN
|
|
struct bpf_insn {
|
|
uint8_t code;
|
|
uint8_t dst_reg:4;
|
|
uint8_t src_reg:4;
|
|
int16_t off;
|
|
int32_t imm;
|
|
};
|
|
#endif
|
|
|
|
static const char *errstr;
|
|
|
|
static long
|
|
sys_bpf(kernel_ulong_t cmd, void *attr, kernel_ulong_t size)
|
|
{
|
|
long rc = syscall(__NR_bpf, cmd, attr, size);
|
|
errstr = sprintrc(rc);
|
|
return rc;
|
|
}
|
|
|
|
static void
|
|
print_map_create(void *attr_void, size_t size, long rc)
|
|
{
|
|
/* struct BPF_MAP_CREATE_struct *attr = attr_void; */
|
|
|
|
printf("bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_ARRAY, key_size=4"
|
|
", value_size=8, max_entries=1");
|
|
if (size > offsetof(struct BPF_MAP_CREATE_struct, map_flags))
|
|
printf(", map_flags=0");
|
|
if (size > offsetof(struct BPF_MAP_CREATE_struct, inner_map_fd))
|
|
printf(", inner_map_fd=0</dev/null>");
|
|
if (size > offsetof(struct BPF_MAP_CREATE_struct, map_name))
|
|
printf(", map_name=\"test_map\"");
|
|
if (size > offsetof(struct BPF_MAP_CREATE_struct, map_ifindex))
|
|
printf(", map_ifindex=0");
|
|
printf("}, %zu) = ", size);
|
|
if (rc >= 0)
|
|
printf("%ld<anon_inode:bpf-map>\n", rc);
|
|
else
|
|
puts(errstr);
|
|
}
|
|
|
|
#if CHECK_OBJ_PROG
|
|
static struct bpf_insn socket_prog[] = {
|
|
{ /* 0 */
|
|
.code = BPF_ALU64 | BPF_K | BPF_MOV,
|
|
.dst_reg = BPF_REG_1,
|
|
.imm = 0,
|
|
},
|
|
{ /* 1 */
|
|
.code = BPF_STX | BPF_W | BPF_MEM,
|
|
.dst_reg = BPF_REG_10,
|
|
.src_reg = BPF_REG_1,
|
|
.off = -4,
|
|
},
|
|
{ /* 2 */
|
|
.code = BPF_ALU64 | BPF_X | BPF_MOV,
|
|
.dst_reg = BPF_REG_2,
|
|
.src_reg = BPF_REG_10,
|
|
},
|
|
{ /* 3 */
|
|
.code = BPF_ALU64 | BPF_K | BPF_ADD,
|
|
.dst_reg = BPF_REG_2,
|
|
.imm = -4,
|
|
},
|
|
{ /* 4 */
|
|
.code = BPF_LD | BPF_DW | BPF_IMM,
|
|
.dst_reg = BPF_REG_1,
|
|
.src_reg = 1 /* BPF_PSEUDO_MAP_FD */,
|
|
.imm = 0, /* to be set to map fd */
|
|
},
|
|
{ /* 5 */
|
|
.imm = 0,
|
|
},
|
|
{ /* 6 */
|
|
.code = BPF_JMP | BPF_K | BPF_CALL,
|
|
.imm = 0x1, /* BPF_FUNC_map_lookup_elem */
|
|
},
|
|
{ /* 7 */
|
|
.code = BPF_ALU64 | BPF_K | BPF_MOV,
|
|
.dst_reg = BPF_REG_0,
|
|
.imm = 0,
|
|
},
|
|
{ /* 8 */
|
|
.code = BPF_JMP | BPF_K | BPF_EXIT,
|
|
},
|
|
};
|
|
|
|
# if VERBOSE
|
|
static const char *socket_prog_fmt =
|
|
"[{code=BPF_ALU64|BPF_K|BPF_MOV"
|
|
", dst_reg=BPF_REG_1, src_reg=BPF_REG_0, off=0, imm=0}"
|
|
", {code=BPF_STX|BPF_W|BPF_MEM"
|
|
", dst_reg=BPF_REG_10, src_reg=BPF_REG_1, off=-4, imm=0}"
|
|
", {code=BPF_ALU64|BPF_X|BPF_MOV"
|
|
", dst_reg=BPF_REG_2, src_reg=BPF_REG_10, off=0, imm=0}"
|
|
", {code=BPF_ALU64|BPF_K|BPF_ADD"
|
|
", dst_reg=BPF_REG_2, src_reg=BPF_REG_0, off=0, imm=0xfffffffc}"
|
|
", {code=BPF_LD|BPF_DW|BPF_IMM"
|
|
", dst_reg=BPF_REG_1, src_reg=BPF_REG_1, off=0, imm=%#x}"
|
|
", {code=BPF_LD|BPF_W|BPF_IMM"
|
|
", dst_reg=BPF_REG_0, src_reg=BPF_REG_0, off=0, imm=0}"
|
|
", {code=BPF_JMP|BPF_K|BPF_CALL"
|
|
", dst_reg=BPF_REG_0, src_reg=BPF_REG_0, off=0, imm=0x1}"
|
|
", {code=BPF_ALU64|BPF_K|BPF_MOV"
|
|
", dst_reg=BPF_REG_0, src_reg=BPF_REG_0, off=0, imm=0}"
|
|
", {code=BPF_JMP|BPF_K|BPF_EXIT"
|
|
", dst_reg=BPF_REG_0, src_reg=BPF_REG_0, off=0, imm=0}"
|
|
"]";
|
|
# endif /* VERBOSE */
|
|
|
|
static const char *license = "BSD";
|
|
static char log_buf[4096];
|
|
|
|
static void
|
|
print_prog_load(void *attr_void, size_t size, long rc)
|
|
{
|
|
printf("bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_SOCKET_FILTER"
|
|
", insn_cnt=%zu, insns=", ARRAY_SIZE(socket_prog));
|
|
# if VERBOSE
|
|
printf(socket_prog_fmt, socket_prog[4].imm);
|
|
# else
|
|
printf("%p", socket_prog);
|
|
# endif
|
|
if (size > offsetof(struct BPF_PROG_LOAD_struct, license))
|
|
printf(", license=\"BSD\"");
|
|
if (size > offsetof(struct BPF_PROG_LOAD_struct, log_buf))
|
|
printf(", log_level=42, log_size=%zu, log_buf=\"\"",
|
|
sizeof(log_buf));
|
|
if (size > offsetof(struct BPF_PROG_LOAD_struct, kern_version))
|
|
printf(", kern_version=KERNEL_VERSION(57005, 192, 222)");
|
|
if (size > offsetof(struct BPF_PROG_LOAD_struct, prog_flags))
|
|
printf(", prog_flags=0");
|
|
if (size > offsetof(struct BPF_PROG_LOAD_struct, prog_name))
|
|
printf(", prog_name=\"test_prog\"");
|
|
if (size > offsetof(struct BPF_PROG_LOAD_struct, prog_ifindex))
|
|
printf(", prog_ifindex=0");
|
|
if (size > offsetof(struct BPF_PROG_LOAD_struct, expected_attach_type))
|
|
printf(", expected_attach_type=BPF_CGROUP_INET_INGRESS");
|
|
printf("}, %zu) = ", size);
|
|
if (rc >= 0)
|
|
printf("%ld<anon_inode:bpf-prog>\n", rc);
|
|
else
|
|
puts(errstr);
|
|
}
|
|
#endif /* CHECK_OBJ_PROG */
|
|
|
|
static long
|
|
try_bpf(kernel_ulong_t cmd, void (*printer)(void *attr, size_t size, long rc),
|
|
void *attr, size_t **sizes)
|
|
{
|
|
long rc;
|
|
|
|
for (rc = -1; **sizes; (*sizes)++) {
|
|
rc = sys_bpf(cmd, attr, **sizes);
|
|
printer(attr, **sizes, rc);
|
|
|
|
if (rc >= 0)
|
|
break;
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
struct BPF_MAP_CREATE_struct bpf_map_create_attr = {
|
|
.map_type = BPF_MAP_TYPE_ARRAY,
|
|
.key_size = 4,
|
|
.value_size = 8,
|
|
.max_entries = 1,
|
|
.map_name = "test_map",
|
|
};
|
|
size_t bpf_map_create_attr_sizes[] = {
|
|
sizeof(bpf_map_create_attr),
|
|
offsetofend(struct BPF_MAP_CREATE_struct, max_entries),
|
|
0,
|
|
};
|
|
|
|
#if CHECK_OBJ_PROG
|
|
struct BPF_PROG_LOAD_struct bpf_prog_load_attr = {
|
|
.prog_type = BPF_PROG_TYPE_SOCKET_FILTER,
|
|
.insn_cnt = ARRAY_SIZE(socket_prog),
|
|
.insns = (uintptr_t) socket_prog,
|
|
.license = (uintptr_t) license,
|
|
.log_level = 42,
|
|
.log_size = sizeof(log_buf),
|
|
.log_buf = (uintptr_t) log_buf,
|
|
.kern_version = 0xdeadc0de,
|
|
.prog_name = "test_prog",
|
|
};
|
|
size_t bpf_prog_load_attr_sizes[] = {
|
|
sizeof(bpf_prog_load_attr),
|
|
offsetofend(struct BPF_PROG_LOAD_struct, prog_name),
|
|
offsetofend(struct BPF_PROG_LOAD_struct, prog_flags),
|
|
offsetofend(struct BPF_PROG_LOAD_struct, kern_version),
|
|
offsetofend(struct BPF_PROG_LOAD_struct, log_buf),
|
|
offsetofend(struct BPF_PROG_LOAD_struct, license),
|
|
offsetofend(struct BPF_PROG_LOAD_struct, insns),
|
|
0,
|
|
};
|
|
#endif /* CHECK_OBJ_PROG */
|
|
|
|
size_t *bpf_map_create_attr_size = bpf_map_create_attr_sizes;
|
|
int map_fd = try_bpf(BPF_MAP_CREATE, print_map_create,
|
|
&bpf_map_create_attr, &bpf_map_create_attr_size);
|
|
if (map_fd < 0)
|
|
perror_msg_and_skip("BPF_MAP_CREATE failed");
|
|
|
|
#if CHECK_OBJ_PROG
|
|
socket_prog[4].imm = map_fd;
|
|
|
|
size_t *bpf_prog_load_attr_size = bpf_prog_load_attr_sizes;
|
|
int prog_fd = try_bpf(BPF_PROG_LOAD, print_prog_load,
|
|
&bpf_prog_load_attr, &bpf_prog_load_attr_size);
|
|
if (prog_fd < 0)
|
|
perror_msg_and_skip("BPF_PROG_LOAD failed (log: \"%s\")",
|
|
log_buf);
|
|
#endif /* CHECK_OBJ_PROG */
|
|
|
|
/*
|
|
* This has to be a macro, otherwise the compiler complains that
|
|
* initializer element is not constant.
|
|
*/
|
|
#define MAP_INFO_SZ (sizeof(*map_info) + 64)
|
|
struct bpf_map_info_struct *map_info = calloc(1, MAP_INFO_SZ);
|
|
struct BPF_OBJ_GET_INFO_BY_FD_struct bpf_map_get_info_attr = {
|
|
.bpf_fd = map_fd,
|
|
.info_len = MAP_INFO_SZ,
|
|
.info = (uintptr_t) map_info,
|
|
};
|
|
|
|
int ret = sys_bpf(BPF_OBJ_GET_INFO_BY_FD, &bpf_map_get_info_attr,
|
|
sizeof(bpf_map_get_info_attr));
|
|
if (ret < 0)
|
|
perror_msg_and_skip("BPF_OBJ_GET_INFO_BY_FD map failed");
|
|
|
|
printf("bpf(BPF_OBJ_GET_INFO_BY_FD"
|
|
", {info={bpf_fd=%d<anon_inode:bpf-map>, info_len=%zu",
|
|
map_fd, MAP_INFO_SZ);
|
|
if (bpf_map_get_info_attr.info_len != MAP_INFO_SZ)
|
|
printf(" => %u", bpf_map_get_info_attr.info_len);
|
|
|
|
printf(", info=");
|
|
#if VERBOSE
|
|
printf("{type=");
|
|
printxval(bpf_map_types, map_info->type, "BPF_MAP_TYPE_???");
|
|
PRINT_FIELD_U(", ", *map_info, id);
|
|
PRINT_FIELD_U(", ", *map_info, key_size);
|
|
PRINT_FIELD_U(", ", *map_info, value_size);
|
|
PRINT_FIELD_U(", ", *map_info, max_entries);
|
|
printf(", map_flags=");
|
|
printflags(bpf_map_flags, map_info->map_flags, "BPF_F_???");
|
|
|
|
if (bpf_map_get_info_attr.info_len >
|
|
offsetof(struct bpf_map_info_struct, name)) {
|
|
printf(", name=");
|
|
print_quoted_cstring(map_info->name, sizeof(map_info->name));
|
|
}
|
|
if (bpf_map_get_info_attr.info_len >
|
|
offsetof(struct bpf_map_info_struct, ifindex))
|
|
printf(", ifindex=%u", map_info->ifindex);
|
|
if (bpf_map_get_info_attr.info_len >
|
|
offsetof(struct bpf_map_info_struct, netns_dev))
|
|
printf(", netns_dev=makedev(%u, %u)",
|
|
major(map_info->netns_dev), minor(map_info->netns_dev));
|
|
if (bpf_map_get_info_attr.info_len >
|
|
offsetof(struct bpf_map_info_struct, netns_ino))
|
|
printf(", netns_ino=%" PRIu64, map_info->netns_ino);
|
|
printf("}");
|
|
#else /* !VERBOSE */
|
|
printf("%p", map_info);
|
|
#endif /* VERBOSE */
|
|
printf("}}, %zu) = %s\n", sizeof(bpf_map_get_info_attr), errstr);
|
|
|
|
#if CHECK_OBJ_PROG
|
|
/*
|
|
* This has to be a macro, otherwise the compiler complains that
|
|
* initializer element is not constant.
|
|
*/
|
|
#define PROG_INFO_SZ (sizeof(*prog_info) + 64)
|
|
struct bpf_prog_info_struct *prog_info = calloc(1, PROG_INFO_SZ);
|
|
struct bpf_insn *xlated_prog = tail_alloc(sizeof(*xlated_prog) * 42);
|
|
uint32_t *map_ids = tail_alloc(sizeof(*map_ids) * 2);
|
|
struct BPF_OBJ_GET_INFO_BY_FD_struct bpf_prog_get_info_attr = {
|
|
.bpf_fd = prog_fd,
|
|
.info_len = PROG_INFO_SZ,
|
|
.info = (uintptr_t) prog_info,
|
|
};
|
|
size_t old_prog_info_len = PROG_INFO_SZ;
|
|
|
|
for (unsigned int i = 0; i < 4; i++) {
|
|
prog_info->jited_prog_len = 0;
|
|
switch (i) {
|
|
case 1:
|
|
prog_info->xlated_prog_insns =
|
|
(uintptr_t) (xlated_prog + 42);
|
|
prog_info->xlated_prog_len = 336;
|
|
prog_info->map_ids = (uintptr_t) (map_ids + 2);
|
|
prog_info->nr_map_ids = 2;
|
|
break;
|
|
case 2:
|
|
prog_info->xlated_prog_insns = (uintptr_t) xlated_prog;
|
|
/* TODO: check xlated_prog output */
|
|
prog_info->xlated_prog_len = 0;
|
|
prog_info->map_ids = (uintptr_t) map_ids;
|
|
prog_info->nr_map_ids = 0;
|
|
break;
|
|
case 3:
|
|
prog_info->xlated_prog_insns = (uintptr_t) xlated_prog;
|
|
prog_info->xlated_prog_len = 0;
|
|
prog_info->map_ids = (uintptr_t) map_ids;
|
|
prog_info->nr_map_ids = 2;
|
|
break;
|
|
}
|
|
|
|
ret = sys_bpf(BPF_OBJ_GET_INFO_BY_FD, &bpf_prog_get_info_attr,
|
|
sizeof(bpf_prog_get_info_attr));
|
|
if (i != 1 && ret < 0)
|
|
perror_msg_and_skip("BPF_OBJ_GET_INFO_BY_FD"
|
|
" prog %u failed", i);
|
|
|
|
printf("bpf(BPF_OBJ_GET_INFO_BY_FD"
|
|
", {info={bpf_fd=%d<anon_inode:bpf-prog>, info_len=%zu",
|
|
prog_fd, old_prog_info_len);
|
|
if (!i && bpf_prog_get_info_attr.info_len != PROG_INFO_SZ)
|
|
printf(" => %u", bpf_prog_get_info_attr.info_len);
|
|
old_prog_info_len = bpf_prog_get_info_attr.info_len;
|
|
|
|
printf(", info=");
|
|
# if VERBOSE
|
|
printf("{type=");
|
|
printxval(bpf_prog_types, prog_info->type, "BPF_PROG_TYPE_???");
|
|
PRINT_FIELD_U(", ", *prog_info, id);
|
|
printf(", tag=");
|
|
print_quoted_hex(prog_info->tag, sizeof(prog_info->tag));
|
|
printf(", jited_prog_len=0");
|
|
if (prog_info->jited_prog_len)
|
|
printf(" => %u", prog_info->jited_prog_len);
|
|
printf(", jited_prog_insns=NULL");
|
|
switch (i) {
|
|
case 0:
|
|
printf(", xlated_prog_len=0");
|
|
if (prog_info->xlated_prog_len)
|
|
printf(" => %u", prog_info->xlated_prog_len);
|
|
printf(", xlated_prog_insns=NULL");
|
|
break;
|
|
case 1:
|
|
printf(", xlated_prog_len=336");
|
|
if (prog_info->xlated_prog_len != 336)
|
|
printf(" => %u", prog_info->xlated_prog_len);
|
|
if (prog_info->xlated_prog_len)
|
|
printf(", xlated_prog_insns=%p", xlated_prog + 42);
|
|
else
|
|
printf(", xlated_prog_insns=[]");
|
|
break;
|
|
case 2:
|
|
case 3:
|
|
printf(", xlated_prog_len=0");
|
|
if (prog_info->xlated_prog_len)
|
|
printf(" => %u", prog_info->xlated_prog_len);
|
|
printf(", xlated_prog_insns=[]");
|
|
break;
|
|
}
|
|
|
|
if (bpf_prog_get_info_attr.info_len >
|
|
offsetof(struct bpf_prog_info_struct, load_time))
|
|
printf(", load_time=%" PRIu64, prog_info->load_time);
|
|
if (bpf_prog_get_info_attr.info_len >
|
|
offsetof(struct bpf_prog_info_struct, created_by_uid))
|
|
printf(", created_by_uid=%u",
|
|
prog_info->created_by_uid);
|
|
|
|
if (bpf_prog_get_info_attr.info_len >
|
|
offsetof(struct bpf_prog_info_struct, map_ids)) {
|
|
switch (i) {
|
|
case 0:
|
|
printf(", nr_map_ids=0");
|
|
if (prog_info->nr_map_ids)
|
|
printf(" => 1");
|
|
printf(", map_ids=NULL");
|
|
break;
|
|
case 1:
|
|
printf(", nr_map_ids=2, map_ids=%p",
|
|
map_ids + 2);
|
|
break;
|
|
case 2:
|
|
printf(", nr_map_ids=0");
|
|
if (prog_info->nr_map_ids)
|
|
printf(" => 1");
|
|
printf(", map_ids=[]");
|
|
break;
|
|
case 3:
|
|
printf(", nr_map_ids=2");
|
|
if (prog_info->nr_map_ids != 2)
|
|
printf(" => 1");
|
|
printf(", map_ids=[%u]", map_info->id);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (bpf_prog_get_info_attr.info_len >
|
|
offsetof(struct bpf_prog_info_struct, name))
|
|
printf(", name=\"test_prog\"");
|
|
if (bpf_prog_get_info_attr.info_len >
|
|
offsetof(struct bpf_prog_info_struct, ifindex))
|
|
printf(", ifindex=%u", prog_info->ifindex);
|
|
if (bpf_prog_get_info_attr.info_len >
|
|
offsetof(struct bpf_prog_info_struct, netns_dev))
|
|
printf(", netns_dev=makedev(%u, %u)",
|
|
major(prog_info->netns_dev),
|
|
minor(prog_info->netns_dev));
|
|
if (bpf_prog_get_info_attr.info_len >
|
|
offsetof(struct bpf_prog_info_struct, netns_ino))
|
|
printf(", netns_ino=%" PRIu64, prog_info->netns_ino);
|
|
|
|
printf("}");
|
|
# else /* !VERBOSE */
|
|
printf("%p", prog_info);
|
|
# endif /* VERBOSE */
|
|
printf("}}, %zu) = %s\n",
|
|
sizeof(bpf_prog_get_info_attr), errstr);
|
|
}
|
|
#endif /* CHECK_OBJ_PROG */
|
|
|
|
puts("+++ exited with 0 +++");
|
|
return 0;
|
|
}
|