6769418d51
Added in Linux commit v4.13-rc1~137^2~14. * dm.c [!DM_LIST_VERSIONS] (DM_LIST_VERSIONS): Add leading zero. [!DM_TARGET_MSG] (DM_TARGET_MSG): Likewise. [!DM_DEV_SET_GEOMETRY_CMD] (DM_DEV_SET_GEOMETRY_CMD): Likewise. [!DM_DEV_ARM_POLL] (DM_DEV_ARM_POLL): New macro. (dm_ioctl_has_params, dm_ioctl): Handle DM_DEV_ARM_POLL. * tests/ioctl_dm.c [!DM_DEV_ARM_POLL] (DM_DEV_ARM_POLL): New macro. (main) <dummy_check_cmds>: Add DM_DEV_ARM_POLL.
783 lines
26 KiB
C
783 lines
26 KiB
C
/*
|
|
* Check decoding of DM_* commands of ioctl syscall.
|
|
*
|
|
* Copyright (c) 2016 Mikulas Patocka <mpatocka@redhat.com>
|
|
* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
|
|
* Copyright (c) 2016-2017 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"
|
|
|
|
#ifdef HAVE_LINUX_DM_IOCTL_H
|
|
|
|
# include <errno.h>
|
|
# include <inttypes.h>
|
|
# include <stdbool.h>
|
|
# include <stdio.h>
|
|
# include <stddef.h>
|
|
# include <string.h>
|
|
# include <sys/ioctl.h>
|
|
# include <linux/ioctl.h>
|
|
# include <linux/dm-ioctl.h>
|
|
|
|
# ifndef VERBOSE
|
|
# define VERBOSE 0
|
|
# endif
|
|
|
|
# define STR32 "AbCdEfGhIjKlMnOpQrStUvWxYz012345"
|
|
|
|
# define ALIGNED_SIZE(s_, t_) \
|
|
(((s_) + (ALIGNOF(t_) - 1UL)) & ~(ALIGNOF(t_) - 1UL))
|
|
# define ALIGNED_OFFSET(t_, m_) \
|
|
ALIGNED_SIZE(offsetof(t_, m_), t_)
|
|
|
|
# ifndef DM_DEV_ARM_POLL
|
|
# define DM_DEV_ARM_POLL _IOWR(DM_IOCTL, 0x10, struct dm_ioctl)
|
|
# endif
|
|
|
|
static const char str129[] = STR32 STR32 STR32 STR32 "6";
|
|
|
|
static const __u64 dts_sector_base = (__u64) 0xdeadca75facef157ULL;
|
|
static const __u64 dts_sector_step = (__u64) 0x100000001ULL;
|
|
static const __u64 dts_length_base = (__u64) 0xbadc0dedda7a1057ULL;
|
|
static const __u64 dts_length_step = (__u64) 0x700000007ULL;
|
|
static const __s32 dts_status_base = (__s32) 3141592653U;
|
|
static const __s32 dts_status_step = 0x1234;
|
|
|
|
static const size_t min_sizeof_dm_ioctl =
|
|
offsetof(struct dm_ioctl, data);
|
|
|
|
static struct s {
|
|
struct dm_ioctl ioc;
|
|
union {
|
|
struct {
|
|
struct dm_target_spec target_spec;
|
|
char target_params[256];
|
|
} ts;
|
|
struct {
|
|
struct dm_target_msg target_msg;
|
|
char target_string[256];
|
|
} tm;
|
|
char string[256];
|
|
} u;
|
|
} s;
|
|
|
|
struct dm_table_open_test {
|
|
struct dm_ioctl ioc;
|
|
struct dm_target_spec target0;
|
|
char param0[1];
|
|
struct dm_target_spec target1;
|
|
char param1[2];
|
|
struct dm_target_spec target2;
|
|
char param2[3];
|
|
struct dm_target_spec target3;
|
|
char param3[4];
|
|
struct dm_target_spec target4;
|
|
char param4[5];
|
|
struct dm_target_spec target5;
|
|
char param5[6];
|
|
struct dm_target_spec target6;
|
|
char param6[7];
|
|
struct dm_target_spec target7;
|
|
char param7[8];
|
|
struct dm_target_spec target8;
|
|
char param8[9];
|
|
struct dm_target_spec target9;
|
|
char param9[10];
|
|
};
|
|
|
|
struct dm_target_msg_test {
|
|
struct dm_ioctl ioc;
|
|
struct dm_target_msg msg;
|
|
};
|
|
|
|
struct args {
|
|
unsigned int arg;
|
|
const char *str;
|
|
bool has_params;
|
|
bool has_event_nr;
|
|
};
|
|
|
|
|
|
static void
|
|
init_s(struct dm_ioctl *s, size_t size, size_t offs)
|
|
{
|
|
memset(s, 0, size);
|
|
s->version[0] = DM_VERSION_MAJOR;
|
|
s->version[1] = 1;
|
|
s->version[2] = 2;
|
|
s->data_size = size;
|
|
s->data_start = offs;
|
|
s->dev = 0x1234;
|
|
strcpy(s->name, "nnn");
|
|
strcpy(s->uuid, "uuu");
|
|
}
|
|
|
|
static void
|
|
init_dm_target_spec(struct dm_target_spec *ptr, uint32_t id)
|
|
{
|
|
ptr->sector_start = dts_sector_base + dts_sector_step * id;
|
|
ptr->length = dts_length_base + dts_length_step * id;
|
|
ptr->status = dts_status_base + dts_status_step * id;
|
|
|
|
strncpy(ptr->target_type, str129 +
|
|
id % (sizeof(str129) - sizeof(ptr->target_type)),
|
|
id % (sizeof(ptr->target_type) + 1));
|
|
if (id % (sizeof(ptr->target_type) + 1) < sizeof(ptr->target_type))
|
|
ptr->target_type[id % (sizeof(ptr->target_type) + 1)] = '\0';
|
|
}
|
|
|
|
# if VERBOSE
|
|
static void
|
|
print_dm_target_spec(struct dm_target_spec *ptr, uint32_t id)
|
|
{
|
|
printf("{sector_start=%" PRI__u64 ", length=%" PRI__u64 ", "
|
|
"target_type=\"%.*s\", string=",
|
|
dts_sector_base + dts_sector_step * id,
|
|
dts_length_base + dts_length_step * id,
|
|
(int) (id % (sizeof(ptr->target_type) + 1)),
|
|
str129 + id % (sizeof(str129) - sizeof(ptr->target_type)));
|
|
}
|
|
# endif /* VERBOSE */
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
static kernel_ulong_t dummy_dm_ioctl1 =
|
|
_IOC(_IOC_READ, DM_IOCTL, 0, 0x1fff);
|
|
static kernel_ulong_t dummy_dm_ioctl2 =
|
|
_IOC(_IOC_READ|_IOC_WRITE, DM_IOCTL, 0xed, 0);
|
|
static kernel_ulong_t dummy_dm_arg =
|
|
(kernel_ulong_t) 0xbadc0dedda7a1057ULL;
|
|
/* We can't check these properly for now */
|
|
static struct args dummy_check_cmds_nodev[] = {
|
|
{ ARG_STR(DM_REMOVE_ALL), false },
|
|
{ ARG_STR(DM_LIST_DEVICES), true },
|
|
{ ARG_STR(DM_LIST_VERSIONS), true },
|
|
};
|
|
static struct args dummy_check_cmds[] = {
|
|
{ ARG_STR(DM_DEV_CREATE), false },
|
|
{ ARG_STR(DM_DEV_REMOVE), false, true },
|
|
{ ARG_STR(DM_DEV_STATUS), false },
|
|
{ ARG_STR(DM_DEV_WAIT), true, true },
|
|
{ ARG_STR(DM_TABLE_CLEAR), false },
|
|
{ ARG_STR(DM_TABLE_DEPS), true },
|
|
{ ARG_STR(DM_TABLE_STATUS), true },
|
|
{ ARG_STR(DM_DEV_ARM_POLL), false },
|
|
};
|
|
|
|
struct dm_ioctl *unaligned_dm_arg =
|
|
tail_alloc(offsetof(struct dm_ioctl, data));
|
|
struct dm_ioctl *dm_arg =
|
|
tail_alloc(ALIGNED_OFFSET(struct dm_ioctl, data));
|
|
struct dm_table_open_test *dm_arg_open1 =
|
|
tail_alloc(ALIGNED_OFFSET(struct dm_table_open_test, target1));
|
|
struct dm_table_open_test *dm_arg_open2 =
|
|
tail_alloc(ALIGNED_OFFSET(struct dm_table_open_test, param1));
|
|
struct dm_table_open_test *dm_arg_open3 =
|
|
tail_alloc(ALIGNED_OFFSET(struct dm_table_open_test, target9));
|
|
struct dm_target_msg_test *dm_arg_msg =
|
|
tail_alloc(sizeof(*dm_arg_msg));
|
|
|
|
long rc;
|
|
const char *errstr;
|
|
unsigned int i;
|
|
|
|
|
|
/* Incorrect operation */
|
|
ioctl(-1, _IOW(DM_IOCTL, 0xde, int), dm_arg);
|
|
printf("ioctl(-1, _IOC(_IOC_WRITE, %#x, 0xde, %#zx), %p) = "
|
|
"-1 EBADF (%m)\n",
|
|
DM_IOCTL, sizeof(int), dm_arg);
|
|
|
|
ioctl(-1, dummy_dm_ioctl1, 0);
|
|
printf("ioctl(-1, _IOC(_IOC_READ, %#x, 0, %#x), 0) = -1 EBADF (%m)\n",
|
|
DM_IOCTL, (unsigned int) _IOC_SIZE(dummy_dm_ioctl1));
|
|
|
|
ioctl(-1, dummy_dm_ioctl2, dummy_dm_arg);
|
|
printf("ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, %#x, %#x, 0), %#lx) = "
|
|
"-1 EBADF (%m)\n",
|
|
DM_IOCTL, (unsigned int) _IOC_NR(dummy_dm_ioctl2),
|
|
(unsigned long) dummy_dm_arg);
|
|
|
|
|
|
/* DM_VERSION */
|
|
/* Incorrect pointer */
|
|
ioctl(-1, DM_VERSION, dm_arg + 1);
|
|
printf("ioctl(-1, DM_VERSION, %p) = -1 EBADF (%m)\n", dm_arg + 1);
|
|
|
|
/* Incorrect data_size */
|
|
init_s(dm_arg, 0, 0);
|
|
ioctl(-1, DM_VERSION, &s);
|
|
printf("ioctl(-1, DM_VERSION, %p) = -1 EBADF (%m)\n", &s);
|
|
|
|
/* Incorrect version */
|
|
init_s(dm_arg, min_sizeof_dm_ioctl, 0);
|
|
dm_arg->version[0] = 0xbadc0ded;
|
|
dm_arg->version[1] = 0xbadc0dee;
|
|
dm_arg->version[2] = 0xbadc0def;
|
|
ioctl(-1, DM_VERSION, dm_arg);
|
|
printf("ioctl(-1, DM_VERSION, {version=%u.%u.%u"
|
|
" /* unsupported device mapper ABI version */}) = "
|
|
"-1 EBADF (%m)\n", 0xbadc0ded, 0xbadc0dee, 0xbadc0def);
|
|
|
|
/* Incorrect data_size */
|
|
init_s(dm_arg, 14, 64);
|
|
ioctl(-1, DM_VERSION, dm_arg);
|
|
printf("ioctl(-1, DM_VERSION, {version=4.1.2, data_size=14"
|
|
" /* data_size too small */}) = -1 EBADF (%m)\n");
|
|
|
|
/* Unterminated name/uuid */
|
|
init_s(dm_arg, min_sizeof_dm_ioctl, 0);
|
|
strncpy(dm_arg->name, str129, sizeof(dm_arg->name));
|
|
strncpy(dm_arg->uuid, str129, sizeof(dm_arg->uuid));
|
|
ioctl(-1, DM_VERSION, dm_arg);
|
|
printf("ioctl(-1, DM_VERSION, {version=4.1.2, data_size=%zu, "
|
|
"dev=makedev(18, 52), name=\"%.127s\"..., uuid=\"%.128s\"..., "
|
|
"flags=0}) = -1 EBADF (%m)\n",
|
|
min_sizeof_dm_ioctl, str129, str129);
|
|
|
|
/* Normal call */
|
|
init_s(dm_arg, min_sizeof_dm_ioctl, 0);
|
|
ioctl(-1, DM_VERSION, dm_arg);
|
|
printf("ioctl(-1, DM_VERSION, "
|
|
"{version=4.1.2, data_size=%zu, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0}) = "
|
|
"-1 EBADF (%m)\n", min_sizeof_dm_ioctl);
|
|
|
|
/* Zero dev, name, uuid */
|
|
init_s(dm_arg, min_sizeof_dm_ioctl, 0);
|
|
dm_arg->data_size = 0xfacefeed;
|
|
dm_arg->dev = 0;
|
|
dm_arg->name[0] = '\0';
|
|
dm_arg->uuid[0] = '\0';
|
|
ioctl(-1, DM_VERSION, dm_arg);
|
|
printf("ioctl(-1, DM_VERSION, "
|
|
"{version=4.1.2, data_size=%u, flags=0}) = "
|
|
"-1 EBADF (%m)\n", 0xfacefeed);
|
|
|
|
/* Flag */
|
|
init_s(dm_arg, min_sizeof_dm_ioctl, 0);
|
|
dm_arg->flags = 0xffffffff;
|
|
ioctl(-1, DM_VERSION, dm_arg);
|
|
printf("ioctl(-1, DM_VERSION, "
|
|
"{version=4.1.2, data_size=%zu, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags="
|
|
"DM_READONLY_FLAG|DM_SUSPEND_FLAG|DM_EXISTS_FLAG|"
|
|
"DM_PERSISTENT_DEV_FLAG|DM_STATUS_TABLE_FLAG|"
|
|
"DM_ACTIVE_PRESENT_FLAG|DM_INACTIVE_PRESENT_FLAG|"
|
|
"DM_BUFFER_FULL_FLAG|DM_SKIP_BDGET_FLAG|DM_SKIP_LOCKFS_FLAG|"
|
|
"DM_NOFLUSH_FLAG|DM_QUERY_INACTIVE_TABLE_FLAG|"
|
|
"DM_UEVENT_GENERATED_FLAG|DM_UUID_FLAG|DM_SECURE_DATA_FLAG|"
|
|
"DM_DATA_OUT_FLAG|DM_DEFERRED_REMOVE|DM_INTERNAL_SUSPEND_FLAG|"
|
|
"0xfff80080}) = -1 EBADF (%m)\n",
|
|
min_sizeof_dm_ioctl);
|
|
|
|
/* Normal call */
|
|
init_s(&s.ioc, sizeof(s.ioc), 0);
|
|
ioctl(-1, DM_VERSION, &s);
|
|
printf("ioctl(-1, DM_VERSION, "
|
|
"{version=4.1.2, data_size=%zu, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0}) = "
|
|
"-1 EBADF (%m)\n", sizeof(s.ioc));
|
|
|
|
|
|
/* DM_REMOVE_ALL */
|
|
/* DM_LIST_DEVICES */
|
|
/* DM_LIST_VERSIONS */
|
|
for (i = 0; i < ARRAY_SIZE(dummy_check_cmds_nodev); i++) {
|
|
init_s(dm_arg, min_sizeof_dm_ioctl, 0);
|
|
ioctl(-1, dummy_check_cmds_nodev[i].arg, dm_arg);
|
|
printf("ioctl(-1, %s, {version=4.1.2, data_size=%zu%s, "
|
|
"flags=0}) = -1 EBADF (%m)\n",
|
|
dummy_check_cmds_nodev[i].str,
|
|
min_sizeof_dm_ioctl,
|
|
dummy_check_cmds_nodev[i].has_params ?
|
|
", data_start=0" : "");
|
|
}
|
|
|
|
|
|
/* DM_DEV_CREATE */
|
|
/* DM_DEV_REMOVE */
|
|
/* DM_DEV_STATUS */
|
|
/* DM_DEV_WAIT */
|
|
/* DM_TABLE_CLEAR */
|
|
/* DM_TABLE_DEPS */
|
|
/* DM_TABLE_STATUS */
|
|
for (i = 0; i < ARRAY_SIZE(dummy_check_cmds); i++) {
|
|
init_s(dm_arg, min_sizeof_dm_ioctl, 0);
|
|
ioctl(-1, dummy_check_cmds[i].arg, dm_arg);
|
|
printf("ioctl(-1, %s, {version=4.1.2, data_size=%zu%s, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\"%s, "
|
|
"flags=0}) = -1 EBADF (%m)\n",
|
|
dummy_check_cmds[i].str, min_sizeof_dm_ioctl,
|
|
dummy_check_cmds[i].has_params ? ", data_start=0" : "",
|
|
dummy_check_cmds[i].has_event_nr ? ", event_nr=0" : "");
|
|
}
|
|
|
|
|
|
/* DM_DEV_SUSPEND */
|
|
init_s(&s.ioc, sizeof(s.ioc), 0);
|
|
s.ioc.flags = DM_SUSPEND_FLAG;
|
|
s.ioc.event_nr = 0xbadc0ded;
|
|
ioctl(-1, DM_DEV_SUSPEND, &s);
|
|
printf("ioctl(-1, DM_DEV_SUSPEND, "
|
|
"{version=4.1.2, data_size=%zu, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
|
|
"flags=DM_SUSPEND_FLAG}) = -1 EBADF (%m)\n", sizeof(s.ioc));
|
|
|
|
init_s(&s.ioc, sizeof(s.ioc), 0);
|
|
s.ioc.event_nr = 0xbadc0ded;
|
|
ioctl(-1, DM_DEV_SUSPEND, &s);
|
|
printf("ioctl(-1, DM_DEV_SUSPEND, "
|
|
"{version=4.1.2, data_size=%zu, dev=makedev(18, 52), "
|
|
"name=\"nnn\", uuid=\"uuu\", event_nr=3134983661, "
|
|
"flags=0}) = -1 EBADF (%m)\n", sizeof(s.ioc));
|
|
|
|
|
|
/* DM_TABLE_LOAD */
|
|
init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
|
|
s.ioc.target_count = 1;
|
|
s.u.ts.target_spec.sector_start = 0x10;
|
|
s.u.ts.target_spec.length = 0x20;
|
|
s.u.ts.target_spec.next =
|
|
sizeof(s.u.ts.target_spec) + sizeof(s.u.ts.target_params);
|
|
strcpy(s.u.ts.target_spec.target_type, "tgt");
|
|
strcpy(s.u.ts.target_params, "tparams");
|
|
ioctl(-1, DM_TABLE_LOAD, &s);
|
|
printf("ioctl(-1, DM_TABLE_LOAD, "
|
|
"{version=4.1.2, data_size=%u, data_start=%u, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
|
|
"target_count=1, flags=0, "
|
|
# if VERBOSE
|
|
"{sector_start=16, length=32, target_type=\"tgt\", "
|
|
"string=\"tparams\"}"
|
|
# else /* !VERBOSE */
|
|
"..."
|
|
# endif /* VERBOSE */
|
|
"}) = -1 EBADF (%m)\n", s.ioc.data_size, s.ioc.data_start);
|
|
|
|
/* No targets */
|
|
init_s(dm_arg, min_sizeof_dm_ioctl, min_sizeof_dm_ioctl);
|
|
dm_arg->data_size = sizeof(*dm_arg);
|
|
dm_arg->target_count = 0;
|
|
ioctl(-1, DM_TABLE_LOAD, dm_arg);
|
|
printf("ioctl(-1, DM_TABLE_LOAD, "
|
|
"{version=4.1.2, data_size=%zu, data_start=%zu, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
|
|
"target_count=0, flags=0}) = -1 EBADF (%m)\n",
|
|
sizeof(*dm_arg), min_sizeof_dm_ioctl);
|
|
|
|
/* Invalid data_start */
|
|
init_s(dm_arg, min_sizeof_dm_ioctl, 0xfffffff8);
|
|
dm_arg->data_size = sizeof(*dm_arg);
|
|
dm_arg->target_count = 1234;
|
|
ioctl(-1, DM_TABLE_LOAD, dm_arg);
|
|
printf("ioctl(-1, DM_TABLE_LOAD, "
|
|
"{version=4.1.2, data_size=%zu, data_start=%u, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
|
|
"target_count=1234, flags=0, "
|
|
# if VERBOSE
|
|
"??? /* misplaced struct dm_target_spec */"
|
|
# else
|
|
"..."
|
|
# endif /* VERBOSE */
|
|
"}) = -1 EBADF (%m)\n", sizeof(*dm_arg), 0xfffffff8);
|
|
|
|
/* Inaccessible pointer */
|
|
init_s(&dm_arg_open1->ioc, offsetof(struct dm_table_open_test, target1),
|
|
offsetof(struct dm_table_open_test, target1));
|
|
dm_arg_open1->ioc.data_size = sizeof(*dm_arg_open1);
|
|
dm_arg_open1->ioc.target_count = 0xdeaddea1;
|
|
ioctl(-1, DM_TABLE_LOAD, dm_arg_open1);
|
|
printf("ioctl(-1, DM_TABLE_LOAD, "
|
|
"{version=4.1.2, data_size=%zu, data_start=%zu, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
|
|
"target_count=3735936673, flags=0, "
|
|
# if VERBOSE
|
|
"%p"
|
|
# else /* !VERBOSE */
|
|
"..."
|
|
# endif /* VERBOSE */
|
|
"}) = -1 EBADF (%m)\n", sizeof(*dm_arg_open1),
|
|
offsetof(struct dm_table_open_test, target1)
|
|
# if VERBOSE
|
|
, (char *) dm_arg_open1 +
|
|
offsetof(struct dm_table_open_test, target1)
|
|
# endif /* VERBOSE */
|
|
);
|
|
|
|
/* Inaccessible string */
|
|
init_s(&dm_arg_open2->ioc, offsetof(struct dm_table_open_test, param1),
|
|
offsetof(struct dm_table_open_test, target1));
|
|
dm_arg_open2->ioc.data_size = sizeof(*dm_arg_open2);
|
|
dm_arg_open2->ioc.target_count = 2;
|
|
init_dm_target_spec(&dm_arg_open2->target1, 7);
|
|
dm_arg_open2->target1.next =
|
|
offsetof(struct dm_table_open_test, target3) -
|
|
offsetof(struct dm_table_open_test, target1);
|
|
rc = ioctl(-1, DM_TABLE_LOAD, dm_arg_open2);
|
|
errstr = sprintrc(rc);
|
|
printf("ioctl(-1, DM_TABLE_LOAD, "
|
|
"{version=4.1.2, data_size=%zu, data_start=%zu, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
|
|
"target_count=2, flags=0, ",
|
|
sizeof(*dm_arg_open2),
|
|
offsetof(struct dm_table_open_test, target1));
|
|
# if VERBOSE
|
|
print_dm_target_spec(&dm_arg_open2->target1, 7);
|
|
printf("%p}, %p",
|
|
(char *) dm_arg_open2 +
|
|
offsetof(struct dm_table_open_test, param1),
|
|
(char *) dm_arg_open2 +
|
|
offsetof(struct dm_table_open_test, target3));
|
|
# else /* !VERBOSE */
|
|
printf("...");
|
|
# endif /* VERBOSE */
|
|
printf("}) = %s\n", errstr);
|
|
|
|
/* Incorrect next */
|
|
init_s(&dm_arg_open3->ioc, offsetof(struct dm_table_open_test, target5),
|
|
offsetof(struct dm_table_open_test, target0));
|
|
dm_arg_open3->ioc.target_count = 4;
|
|
|
|
init_dm_target_spec(&dm_arg_open3->target0, 9);
|
|
dm_arg_open3->target0.next =
|
|
offsetof(struct dm_table_open_test, target1) -
|
|
offsetof(struct dm_table_open_test, target0);
|
|
dm_arg_open3->param0[0] = '\0';
|
|
|
|
init_dm_target_spec(&dm_arg_open3->target1, 15);
|
|
dm_arg_open3->target1.next =
|
|
offsetof(struct dm_table_open_test, target3) -
|
|
offsetof(struct dm_table_open_test, target1);
|
|
dm_arg_open3->param1[0] = '\377';
|
|
dm_arg_open3->param1[1] = '\0';
|
|
|
|
init_dm_target_spec(&dm_arg_open3->target3, 42);
|
|
dm_arg_open3->target3.next = 0xdeadbeef;
|
|
dm_arg_open3->param3[0] = '\1';
|
|
dm_arg_open3->param3[1] = '\2';
|
|
dm_arg_open3->param3[2] = '\0';
|
|
|
|
rc = ioctl(-1, DM_TABLE_LOAD, dm_arg_open3);
|
|
errstr = sprintrc(rc);
|
|
printf("ioctl(-1, DM_TABLE_LOAD, "
|
|
"{version=4.1.2, data_size=%zu, data_start=%zu, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
|
|
"target_count=4, flags=0, ",
|
|
offsetof(struct dm_table_open_test, target5),
|
|
offsetof(struct dm_table_open_test, target0));
|
|
# if VERBOSE
|
|
print_dm_target_spec(&dm_arg_open3->target0, 9);
|
|
printf("\"\"}, ");
|
|
print_dm_target_spec(&dm_arg_open3->target1, 15);
|
|
printf("\"\\377\"}, ");
|
|
print_dm_target_spec(&dm_arg_open3->target1, 42);
|
|
printf("\"\\1\\2\"}, ??? /* misplaced struct dm_target_spec */");
|
|
# else /* !VERBOSE */
|
|
printf("...");
|
|
# endif /* VERBOSE */
|
|
printf("}) = %s\n", errstr);
|
|
|
|
#define FILL_DM_TARGET(id, id_next) \
|
|
do { \
|
|
init_dm_target_spec(&dm_arg_open3->target##id, id); \
|
|
dm_arg_open3->target##id.next = \
|
|
offsetof(struct dm_table_open_test, \
|
|
target##id_next) - \
|
|
offsetof(struct dm_table_open_test, \
|
|
target##id); \
|
|
strncpy(dm_arg_open3->param##id, str129 + id * 2, id); \
|
|
dm_arg_open3->param##id[id] = '\0'; \
|
|
} while (0)
|
|
#define PRINT_DM_TARGET(id) \
|
|
do { \
|
|
print_dm_target_spec(&dm_arg_open3->target##id, id); \
|
|
printf("\"%.*s\"}, ", id, str129 + id * 2); \
|
|
} while (0)
|
|
|
|
/* max_strlen limit */
|
|
init_s(&dm_arg_open3->ioc, offsetof(struct dm_table_open_test, target9),
|
|
offsetof(struct dm_table_open_test, target0));
|
|
dm_arg_open3->ioc.data_size = sizeof(*dm_arg_open3);
|
|
dm_arg_open3->ioc.target_count = 0xbadc0ded;
|
|
FILL_DM_TARGET(0, 1);
|
|
FILL_DM_TARGET(1, 2);
|
|
FILL_DM_TARGET(2, 3);
|
|
FILL_DM_TARGET(3, 4);
|
|
FILL_DM_TARGET(4, 5);
|
|
FILL_DM_TARGET(5, 6);
|
|
FILL_DM_TARGET(6, 7);
|
|
FILL_DM_TARGET(7, 8);
|
|
FILL_DM_TARGET(8, 9);
|
|
rc = ioctl(-1, DM_TABLE_LOAD, dm_arg_open3);
|
|
errstr = sprintrc(rc);
|
|
printf("ioctl(-1, DM_TABLE_LOAD, "
|
|
"{version=4.1.2, data_size=%zu, data_start=%zu, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
|
|
"target_count=3134983661, flags=0, ",
|
|
sizeof(*dm_arg_open3),
|
|
offsetof(struct dm_table_open_test, target0));
|
|
# if VERBOSE
|
|
PRINT_DM_TARGET(0);
|
|
PRINT_DM_TARGET(1);
|
|
PRINT_DM_TARGET(2);
|
|
PRINT_DM_TARGET(3);
|
|
PRINT_DM_TARGET(4);
|
|
PRINT_DM_TARGET(5);
|
|
PRINT_DM_TARGET(6);
|
|
PRINT_DM_TARGET(7);
|
|
PRINT_DM_TARGET(8);
|
|
# endif /* VERBOSE */
|
|
printf("...}) = %s\n", errstr);
|
|
|
|
|
|
/* DM_TARGET_MSG */
|
|
init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
|
|
s.u.tm.target_msg.sector = 0x1234;
|
|
strcpy(s.u.string + offsetof(struct dm_target_msg, message),
|
|
"long target msg");
|
|
ioctl(-1, DM_TARGET_MSG, &s);
|
|
printf("ioctl(-1, DM_TARGET_MSG, "
|
|
"{version=4.1.2, data_size=%u, data_start=%u, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, "
|
|
# if VERBOSE
|
|
"{sector=4660, message=\"long targ\"...}"
|
|
# else /* !VERBOSE */
|
|
"..."
|
|
# endif /* VERBOSE */
|
|
"}) = -1 EBADF (%m)\n",
|
|
s.ioc.data_size, s.ioc.data_start);
|
|
|
|
/* Invalid data_start */
|
|
init_s(dm_arg, min_sizeof_dm_ioctl, min_sizeof_dm_ioctl);
|
|
dm_arg->data_size = sizeof(*dm_arg);
|
|
ioctl(-1, DM_TARGET_MSG, dm_arg);
|
|
printf("ioctl(-1, DM_TARGET_MSG, "
|
|
"{version=4.1.2, data_size=%zu, data_start=%zu, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, "
|
|
# if VERBOSE
|
|
"??? /* misplaced struct dm_target_msg */"
|
|
# else /* !VERBOSE */
|
|
"..."
|
|
# endif /* VERBOSE */
|
|
"}) = -1 EBADF (%m)\n",
|
|
sizeof(*dm_arg), min_sizeof_dm_ioctl);
|
|
|
|
/* Invalid data_start */
|
|
init_s(dm_arg, min_sizeof_dm_ioctl, 0xffffffff);
|
|
dm_arg->data_size = sizeof(*dm_arg);
|
|
ioctl(-1, DM_TARGET_MSG, dm_arg);
|
|
printf("ioctl(-1, DM_TARGET_MSG, "
|
|
"{version=4.1.2, data_size=%zu, data_start=%u, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, "
|
|
# if VERBOSE
|
|
"??? /* misplaced struct dm_target_msg */"
|
|
# else /* !VERBOSE */
|
|
"..."
|
|
# endif /* VERBOSE */
|
|
"}) = -1 EBADF (%m)\n",
|
|
sizeof(*dm_arg), 0xffffffff);
|
|
|
|
/* Inaccessible pointer */
|
|
init_s(dm_arg, min_sizeof_dm_ioctl, 0);
|
|
dm_arg->data_size = sizeof(*dm_arg) + sizeof(struct dm_target_msg);
|
|
dm_arg->data_start = sizeof(*dm_arg);
|
|
ioctl(-1, DM_TARGET_MSG, dm_arg);
|
|
printf("ioctl(-1, DM_TARGET_MSG, "
|
|
"{version=4.1.2, data_size=%zu, data_start=%zu, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, "
|
|
# if VERBOSE
|
|
"%p"
|
|
# else /* !VERBOSE */
|
|
"..."
|
|
# endif /* VERBOSE */
|
|
"}) = -1 EBADF (%m)\n",
|
|
sizeof(*dm_arg) + sizeof(struct dm_target_msg),
|
|
sizeof(*dm_arg)
|
|
# if VERBOSE
|
|
, (char *) dm_arg + sizeof(*dm_arg)
|
|
# endif /* VERBOSE */
|
|
);
|
|
|
|
/* Inaccessible string */
|
|
init_s(&dm_arg_msg->ioc, sizeof(*dm_arg_msg),
|
|
offsetof(struct dm_target_msg_test, msg));
|
|
dm_arg_msg->ioc.data_size = sizeof(*dm_arg_msg) + 1;
|
|
dm_arg_msg->msg.sector = (__u64) 0xdeadbeeffacef157ULL;
|
|
rc = ioctl(-1, DM_TARGET_MSG, dm_arg_msg);
|
|
errstr = sprintrc(rc);
|
|
printf("ioctl(-1, DM_TARGET_MSG, "
|
|
"{version=4.1.2, data_size=%zu, data_start=%zu, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, ",
|
|
sizeof(*dm_arg_msg) + 1,
|
|
offsetof(struct dm_target_msg_test, msg));
|
|
# if VERBOSE
|
|
printf("{sector=%" PRI__u64 ", message=%p}",
|
|
(__u64) 0xdeadbeeffacef157ULL,
|
|
(char *) dm_arg_msg +
|
|
offsetof(struct dm_target_msg_test, msg.message));
|
|
# else /* !VERBOSE */
|
|
printf("...");
|
|
# endif /* VERBOSE */
|
|
printf("}) = %s\n", errstr);
|
|
|
|
/* Zero-sied string */
|
|
init_s(&dm_arg_msg->ioc, sizeof(*dm_arg_msg),
|
|
offsetof(struct dm_target_msg_test, msg));
|
|
dm_arg_msg->msg.sector = (__u64) 0xdeadbeeffacef157ULL;
|
|
rc = ioctl(-1, DM_TARGET_MSG, dm_arg_msg);
|
|
errstr = sprintrc(rc);
|
|
printf("ioctl(-1, DM_TARGET_MSG, "
|
|
"{version=4.1.2, data_size=%zu, data_start=%zu, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, ",
|
|
sizeof(*dm_arg_msg), offsetof(struct dm_target_msg_test, msg));
|
|
# if VERBOSE
|
|
printf("{sector=%" PRI__u64 ", message=\"\"}",
|
|
(__u64) 0xdeadbeeffacef157ULL);
|
|
# else /* !VERBOSE */
|
|
printf("...");
|
|
# endif /* VERBOSE */
|
|
printf("}) = %s\n", errstr);
|
|
|
|
|
|
/* DM_DEV_SET_GEOMETRY */
|
|
init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
|
|
strcpy(s.u.string, "10 20 30 40");
|
|
ioctl(-1, DM_DEV_SET_GEOMETRY, &s);
|
|
printf("ioctl(-1, DM_DEV_SET_GEOMETRY, "
|
|
"{version=4.1.2, data_size=%u, data_start=%u, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, "
|
|
# if VERBOSE
|
|
"string=\"10 20 30 \"..."
|
|
# else /* !VERBOSE */
|
|
"..."
|
|
# endif /* VERBOSE */
|
|
"}) = -1 EBADF (%m)\n",
|
|
s.ioc.data_size, s.ioc.data_start);
|
|
|
|
|
|
/* DM_DEV_RENAME */
|
|
/* Inaccessible data */
|
|
init_s(dm_arg, min_sizeof_dm_ioctl, min_sizeof_dm_ioctl);
|
|
dm_arg->data_size = sizeof(*dm_arg);
|
|
memcpy(unaligned_dm_arg, dm_arg, offsetof(struct dm_ioctl, data));
|
|
ioctl(-1, DM_DEV_RENAME, unaligned_dm_arg);
|
|
printf("ioctl(-1, DM_DEV_RENAME, "
|
|
"{version=4.1.2, data_size=%zu, data_start=%zu, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", event_nr=0, "
|
|
"flags=0, "
|
|
# if VERBOSE
|
|
"string=%p"
|
|
# else /* !VERBOSE */
|
|
"..."
|
|
# endif /* VERBOSE */
|
|
"}) = -1 EBADF (%m)\n",
|
|
sizeof(*unaligned_dm_arg), min_sizeof_dm_ioctl
|
|
# if VERBOSE
|
|
, (char *) unaligned_dm_arg + min_sizeof_dm_ioctl
|
|
# endif /* VERBOSE */
|
|
);
|
|
|
|
/* Incorrect data_start data */
|
|
init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
|
|
s.ioc.data_start = 0xdeadbeef;
|
|
ioctl(-1, DM_DEV_RENAME, &s);
|
|
printf("ioctl(-1, DM_DEV_RENAME, "
|
|
"{version=4.1.2, data_size=%u, data_start=3735928559, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", event_nr=0, "
|
|
"flags=0, "
|
|
# if VERBOSE
|
|
"??? /* misplaced string */"
|
|
# else /* !VERBOSE */
|
|
"..."
|
|
# endif /* VERBOSE */
|
|
"}) = -1 EBADF (%m)\n",
|
|
s.ioc.data_size);
|
|
|
|
/* Strange but still valid data_start */
|
|
init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
|
|
/* Curiously, this is a valid structure */
|
|
s.ioc.data_start = offsetof(struct dm_ioctl, name) + 1;
|
|
ioctl(-1, DM_DEV_RENAME, &s);
|
|
printf("ioctl(-1, DM_DEV_RENAME, "
|
|
"{version=4.1.2, data_size=%u, data_start=%zu, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", event_nr=0, "
|
|
"flags=0, "
|
|
# if VERBOSE
|
|
"string=\"nn\""
|
|
# else /* !VERBOSE */
|
|
"..."
|
|
# endif /* VERBOSE */
|
|
"}) = -1 EBADF (%m)\n",
|
|
s.ioc.data_size,
|
|
offsetof(struct dm_ioctl, name) + 1);
|
|
|
|
/* Correct data */
|
|
init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
|
|
strcpy(s.u.string, "new long name");
|
|
ioctl(-1, DM_DEV_RENAME, &s);
|
|
printf("ioctl(-1, DM_DEV_RENAME, "
|
|
"{version=4.1.2, data_size=%u, data_start=%u, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", event_nr=0, "
|
|
"flags=0, "
|
|
# if VERBOSE
|
|
"string=\"new long \"..."
|
|
# else /* !VERBOSE */
|
|
"..."
|
|
# endif /* VERBOSE */
|
|
"}) = -1 EBADF (%m)\n",
|
|
s.ioc.data_size, s.ioc.data_start);
|
|
|
|
|
|
/* DM_TABLE_LOAD */
|
|
init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
|
|
s.ioc.target_count = -1U;
|
|
ioctl(-1, DM_TABLE_LOAD, &s);
|
|
printf("ioctl(-1, DM_TABLE_LOAD, "
|
|
"{version=4.1.2, data_size=%u, data_start=%u, "
|
|
"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
|
|
"target_count=4294967295, flags=0, "
|
|
# if VERBOSE
|
|
"{sector_start=0, length=0, target_type=\"\", string=\"\"}"
|
|
", ??? /* misplaced struct dm_target_spec */"
|
|
# else
|
|
"..."
|
|
# endif /* VERBOSE */
|
|
"}) = -1 EBADF (%m)\n",
|
|
s.ioc.data_size, s.ioc.data_start);
|
|
|
|
puts("+++ exited with 0 +++");
|
|
return 0;
|
|
}
|
|
|
|
#else /* !HAVE_LINUX_DM_IOCTL_H */
|
|
|
|
SKIP_MAIN_UNDEFINED("HAVE_LINUX_DM_IOCTL_H")
|
|
|
|
#endif /* HAVE_LINUX_DM_IOCTL_H */
|