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782 lines
26 KiB
782 lines
26 KiB
/*
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* Check decoding of DM_* commands of ioctl syscall.
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*
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* Copyright (c) 2016 Mikulas Patocka <mpatocka@redhat.com>
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* Copyright (c) 2016 Eugene Syromyatnikov <evgsyr@gmail.com>
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* Copyright (c) 2016-2018 The strace developers.
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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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#ifdef HAVE_LINUX_DM_IOCTL_H
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# include <errno.h>
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# include <inttypes.h>
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# include <stdio.h>
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# include <stddef.h>
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# include <string.h>
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# include <sys/ioctl.h>
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# include <linux/ioctl.h>
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# include <linux/dm-ioctl.h>
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# ifndef VERBOSE
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# define VERBOSE 0
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# endif
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# define STR32 "AbCdEfGhIjKlMnOpQrStUvWxYz012345"
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# define ALIGNED_SIZE(s_, t_) \
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(((s_) + (ALIGNOF(t_) - 1UL)) & ~(ALIGNOF(t_) - 1UL))
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# define ALIGNED_OFFSET(t_, m_) \
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ALIGNED_SIZE(offsetof(t_, m_), t_)
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# ifndef DM_DEV_ARM_POLL
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# define DM_DEV_ARM_POLL _IOWR(DM_IOCTL, 0x10, struct dm_ioctl)
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# endif
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static const char str129[] = STR32 STR32 STR32 STR32 "6";
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static const __u64 dts_sector_base = (__u64) 0xdeadca75facef157ULL;
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static const __u64 dts_sector_step = (__u64) 0x100000001ULL;
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static const __u64 dts_length_base = (__u64) 0xbadc0dedda7a1057ULL;
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static const __u64 dts_length_step = (__u64) 0x700000007ULL;
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static const __s32 dts_status_base = (__s32) 3141592653U;
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static const __s32 dts_status_step = 0x1234;
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static const size_t min_sizeof_dm_ioctl =
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offsetof(struct dm_ioctl, data);
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static struct s {
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struct dm_ioctl ioc;
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union {
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struct {
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struct dm_target_spec target_spec;
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char target_params[256];
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} ts;
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struct {
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struct dm_target_msg target_msg;
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char target_string[256];
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} tm;
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char string[256];
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} u;
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} s;
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struct dm_table_open_test {
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struct dm_ioctl ioc;
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struct dm_target_spec target0;
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char param0[1];
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struct dm_target_spec target1;
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char param1[2];
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struct dm_target_spec target2;
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char param2[3];
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struct dm_target_spec target3;
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char param3[4];
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struct dm_target_spec target4;
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char param4[5];
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struct dm_target_spec target5;
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char param5[6];
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struct dm_target_spec target6;
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char param6[7];
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struct dm_target_spec target7;
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char param7[8];
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struct dm_target_spec target8;
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char param8[9];
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struct dm_target_spec target9;
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char param9[10];
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};
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struct dm_target_msg_test {
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struct dm_ioctl ioc;
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struct dm_target_msg msg;
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};
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struct args {
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unsigned int arg;
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const char *str;
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bool has_params;
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bool has_event_nr;
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};
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static void
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init_s(struct dm_ioctl *s, size_t size, size_t offs)
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{
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memset(s, 0, size);
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s->version[0] = DM_VERSION_MAJOR;
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s->version[1] = 1;
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s->version[2] = 2;
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s->data_size = size;
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s->data_start = offs;
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s->dev = 0x1234;
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strcpy(s->name, "nnn");
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strcpy(s->uuid, "uuu");
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}
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static void
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init_dm_target_spec(struct dm_target_spec *ptr, uint32_t id)
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{
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ptr->sector_start = dts_sector_base + dts_sector_step * id;
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ptr->length = dts_length_base + dts_length_step * id;
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ptr->status = dts_status_base + dts_status_step * id;
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memcpy(ptr->target_type, str129 +
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id % (sizeof(str129) - sizeof(ptr->target_type)),
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id % (sizeof(ptr->target_type) + 1));
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if (id % (sizeof(ptr->target_type) + 1) < sizeof(ptr->target_type))
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ptr->target_type[id % (sizeof(ptr->target_type) + 1)] = '\0';
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}
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# if VERBOSE
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static void
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print_dm_target_spec(struct dm_target_spec *ptr, uint32_t id)
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{
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printf("{sector_start=%" PRI__u64 ", length=%" PRI__u64 ", "
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"target_type=\"%.*s\", string=",
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dts_sector_base + dts_sector_step * id,
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dts_length_base + dts_length_step * id,
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(int) (id % (sizeof(ptr->target_type) + 1)),
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str129 + id % (sizeof(str129) - sizeof(ptr->target_type)));
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}
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# endif /* VERBOSE */
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int
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main(void)
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{
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static kernel_ulong_t dummy_dm_ioctl1 =
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_IOC(_IOC_READ, DM_IOCTL, 0, 0x1fff);
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static kernel_ulong_t dummy_dm_ioctl2 =
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_IOC(_IOC_READ|_IOC_WRITE, DM_IOCTL, 0xed, 0);
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static kernel_ulong_t dummy_dm_arg =
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(kernel_ulong_t) 0xbadc0dedda7a1057ULL;
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/* We can't check these properly for now */
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static struct args dummy_check_cmds_nodev[] = {
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{ ARG_STR(DM_REMOVE_ALL), false },
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{ ARG_STR(DM_LIST_DEVICES), true },
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{ ARG_STR(DM_LIST_VERSIONS), true },
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};
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static struct args dummy_check_cmds[] = {
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{ ARG_STR(DM_DEV_CREATE), false },
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{ ARG_STR(DM_DEV_REMOVE), false, true },
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{ ARG_STR(DM_DEV_STATUS), false },
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{ ARG_STR(DM_DEV_WAIT), true, true },
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{ ARG_STR(DM_TABLE_CLEAR), false },
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{ ARG_STR(DM_TABLE_DEPS), true },
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{ ARG_STR(DM_TABLE_STATUS), true },
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{ ARG_STR(DM_DEV_ARM_POLL), false },
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};
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struct dm_ioctl *unaligned_dm_arg =
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tail_alloc(offsetof(struct dm_ioctl, data));
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struct dm_ioctl *dm_arg =
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tail_alloc(ALIGNED_OFFSET(struct dm_ioctl, data));
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struct dm_table_open_test *dm_arg_open1 =
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tail_alloc(ALIGNED_OFFSET(struct dm_table_open_test, target1));
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struct dm_table_open_test *dm_arg_open2 =
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tail_alloc(ALIGNED_OFFSET(struct dm_table_open_test, param1));
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struct dm_table_open_test *dm_arg_open3 =
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tail_alloc(ALIGNED_OFFSET(struct dm_table_open_test, target9));
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struct dm_target_msg_test *dm_arg_msg =
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tail_alloc(sizeof(*dm_arg_msg));
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long rc;
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const char *errstr;
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unsigned int i;
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/* Incorrect operation */
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ioctl(-1, _IOW(DM_IOCTL, 0xde, int), dm_arg);
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printf("ioctl(-1, _IOC(_IOC_WRITE, %#x, 0xde, %#zx), %p) = "
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"-1 EBADF (%m)\n",
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DM_IOCTL, sizeof(int), dm_arg);
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ioctl(-1, dummy_dm_ioctl1, 0);
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printf("ioctl(-1, _IOC(_IOC_READ, %#x, 0, %#x), 0) = -1 EBADF (%m)\n",
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DM_IOCTL, (unsigned int) _IOC_SIZE(dummy_dm_ioctl1));
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ioctl(-1, dummy_dm_ioctl2, dummy_dm_arg);
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printf("ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, %#x, %#x, 0), %#lx) = "
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"-1 EBADF (%m)\n",
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DM_IOCTL, (unsigned int) _IOC_NR(dummy_dm_ioctl2),
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(unsigned long) dummy_dm_arg);
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/* DM_VERSION */
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/* Incorrect pointer */
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ioctl(-1, DM_VERSION, dm_arg + 1);
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printf("ioctl(-1, DM_VERSION, %p) = -1 EBADF (%m)\n", dm_arg + 1);
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/* Incorrect data_size */
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init_s(dm_arg, 0, 0);
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ioctl(-1, DM_VERSION, &s);
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printf("ioctl(-1, DM_VERSION, %p) = -1 EBADF (%m)\n", &s);
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/* Incorrect version */
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init_s(dm_arg, min_sizeof_dm_ioctl, 0);
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dm_arg->version[0] = 0xbadc0ded;
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dm_arg->version[1] = 0xbadc0dee;
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dm_arg->version[2] = 0xbadc0def;
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ioctl(-1, DM_VERSION, dm_arg);
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printf("ioctl(-1, DM_VERSION, {version=%u.%u.%u"
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" /* unsupported device mapper ABI version */}) = "
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"-1 EBADF (%m)\n", 0xbadc0ded, 0xbadc0dee, 0xbadc0def);
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/* Incorrect data_size */
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init_s(dm_arg, 14, 64);
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ioctl(-1, DM_VERSION, dm_arg);
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printf("ioctl(-1, DM_VERSION, {version=4.1.2, data_size=14"
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" /* data_size too small */}) = -1 EBADF (%m)\n");
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/* Unterminated name/uuid */
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init_s(dm_arg, min_sizeof_dm_ioctl, 0);
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memcpy(dm_arg->name, str129, sizeof(dm_arg->name));
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memcpy(dm_arg->uuid, str129, sizeof(dm_arg->uuid));
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ioctl(-1, DM_VERSION, dm_arg);
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printf("ioctl(-1, DM_VERSION, {version=4.1.2, data_size=%zu, "
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"dev=makedev(18, 52), name=\"%.127s\"..., uuid=\"%.128s\"..., "
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"flags=0}) = -1 EBADF (%m)\n",
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min_sizeof_dm_ioctl, str129, str129);
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/* Normal call */
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init_s(dm_arg, min_sizeof_dm_ioctl, 0);
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ioctl(-1, DM_VERSION, dm_arg);
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printf("ioctl(-1, DM_VERSION, "
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"{version=4.1.2, data_size=%zu, "
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"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0}) = "
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"-1 EBADF (%m)\n", min_sizeof_dm_ioctl);
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/* Zero dev, name, uuid */
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init_s(dm_arg, min_sizeof_dm_ioctl, 0);
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dm_arg->data_size = 0xfacefeed;
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dm_arg->dev = 0;
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dm_arg->name[0] = '\0';
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dm_arg->uuid[0] = '\0';
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ioctl(-1, DM_VERSION, dm_arg);
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printf("ioctl(-1, DM_VERSION, "
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"{version=4.1.2, data_size=%u, flags=0}) = "
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"-1 EBADF (%m)\n", 0xfacefeed);
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/* Flag */
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init_s(dm_arg, min_sizeof_dm_ioctl, 0);
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dm_arg->flags = 0xffffffff;
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ioctl(-1, DM_VERSION, dm_arg);
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printf("ioctl(-1, DM_VERSION, "
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"{version=4.1.2, data_size=%zu, "
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"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags="
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"DM_READONLY_FLAG|DM_SUSPEND_FLAG|DM_EXISTS_FLAG|"
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"DM_PERSISTENT_DEV_FLAG|DM_STATUS_TABLE_FLAG|"
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"DM_ACTIVE_PRESENT_FLAG|DM_INACTIVE_PRESENT_FLAG|"
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"DM_BUFFER_FULL_FLAG|DM_SKIP_BDGET_FLAG|DM_SKIP_LOCKFS_FLAG|"
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"DM_NOFLUSH_FLAG|DM_QUERY_INACTIVE_TABLE_FLAG|"
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"DM_UEVENT_GENERATED_FLAG|DM_UUID_FLAG|DM_SECURE_DATA_FLAG|"
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"DM_DATA_OUT_FLAG|DM_DEFERRED_REMOVE|DM_INTERNAL_SUSPEND_FLAG|"
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"0xfff80080}) = -1 EBADF (%m)\n",
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min_sizeof_dm_ioctl);
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/* Normal call */
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init_s(&s.ioc, sizeof(s.ioc), 0);
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ioctl(-1, DM_VERSION, &s);
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printf("ioctl(-1, DM_VERSION, "
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"{version=4.1.2, data_size=%zu, "
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"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0}) = "
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"-1 EBADF (%m)\n", sizeof(s.ioc));
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/* DM_REMOVE_ALL */
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/* DM_LIST_DEVICES */
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/* DM_LIST_VERSIONS */
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for (i = 0; i < ARRAY_SIZE(dummy_check_cmds_nodev); i++) {
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init_s(dm_arg, min_sizeof_dm_ioctl, 0);
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ioctl(-1, dummy_check_cmds_nodev[i].arg, dm_arg);
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printf("ioctl(-1, %s, {version=4.1.2, data_size=%zu%s, "
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"flags=0}) = -1 EBADF (%m)\n",
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dummy_check_cmds_nodev[i].str,
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min_sizeof_dm_ioctl,
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dummy_check_cmds_nodev[i].has_params ?
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", data_start=0" : "");
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}
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/* DM_DEV_CREATE */
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/* DM_DEV_REMOVE */
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/* DM_DEV_STATUS */
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/* DM_DEV_WAIT */
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/* DM_TABLE_CLEAR */
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/* DM_TABLE_DEPS */
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/* DM_TABLE_STATUS */
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for (i = 0; i < ARRAY_SIZE(dummy_check_cmds); i++) {
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init_s(dm_arg, min_sizeof_dm_ioctl, 0);
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ioctl(-1, dummy_check_cmds[i].arg, dm_arg);
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printf("ioctl(-1, %s, {version=4.1.2, data_size=%zu%s, "
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"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\"%s, "
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"flags=0}) = -1 EBADF (%m)\n",
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dummy_check_cmds[i].str, min_sizeof_dm_ioctl,
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dummy_check_cmds[i].has_params ? ", data_start=0" : "",
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dummy_check_cmds[i].has_event_nr ? ", event_nr=0" : "");
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}
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/* DM_DEV_SUSPEND */
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init_s(&s.ioc, sizeof(s.ioc), 0);
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s.ioc.flags = DM_SUSPEND_FLAG;
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s.ioc.event_nr = 0xbadc0ded;
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ioctl(-1, DM_DEV_SUSPEND, &s);
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printf("ioctl(-1, DM_DEV_SUSPEND, "
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"{version=4.1.2, data_size=%zu, "
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"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
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"flags=DM_SUSPEND_FLAG}) = -1 EBADF (%m)\n", sizeof(s.ioc));
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init_s(&s.ioc, sizeof(s.ioc), 0);
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s.ioc.event_nr = 0xbadc0ded;
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ioctl(-1, DM_DEV_SUSPEND, &s);
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printf("ioctl(-1, DM_DEV_SUSPEND, "
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"{version=4.1.2, data_size=%zu, dev=makedev(18, 52), "
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"name=\"nnn\", uuid=\"uuu\", event_nr=3134983661, "
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"flags=0}) = -1 EBADF (%m)\n", sizeof(s.ioc));
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/* DM_TABLE_LOAD */
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init_s(&s.ioc, sizeof(s), offsetof(struct s, u));
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s.ioc.target_count = 1;
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s.u.ts.target_spec.sector_start = 0x10;
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s.u.ts.target_spec.length = 0x20;
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s.u.ts.target_spec.next =
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sizeof(s.u.ts.target_spec) + sizeof(s.u.ts.target_params);
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strcpy(s.u.ts.target_spec.target_type, "tgt");
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strcpy(s.u.ts.target_params, "tparams");
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ioctl(-1, DM_TABLE_LOAD, &s);
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printf("ioctl(-1, DM_TABLE_LOAD, "
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"{version=4.1.2, data_size=%u, data_start=%u, "
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"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
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"target_count=1, flags=0, "
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# if VERBOSE
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"{sector_start=16, length=32, target_type=\"tgt\", "
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"string=\"tparams\"}"
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# else /* !VERBOSE */
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"..."
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# endif /* VERBOSE */
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"}) = -1 EBADF (%m)\n", s.ioc.data_size, s.ioc.data_start);
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/* No targets */
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init_s(dm_arg, min_sizeof_dm_ioctl, min_sizeof_dm_ioctl);
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dm_arg->data_size = sizeof(*dm_arg);
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dm_arg->target_count = 0;
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ioctl(-1, DM_TABLE_LOAD, dm_arg);
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printf("ioctl(-1, DM_TABLE_LOAD, "
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"{version=4.1.2, data_size=%zu, data_start=%zu, "
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"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
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"target_count=0, flags=0}) = -1 EBADF (%m)\n",
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sizeof(*dm_arg), min_sizeof_dm_ioctl);
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/* Invalid data_start */
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init_s(dm_arg, min_sizeof_dm_ioctl, 0xfffffff8);
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dm_arg->data_size = sizeof(*dm_arg);
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dm_arg->target_count = 1234;
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ioctl(-1, DM_TABLE_LOAD, dm_arg);
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printf("ioctl(-1, DM_TABLE_LOAD, "
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"{version=4.1.2, data_size=%zu, data_start=%u, "
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"dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
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"target_count=1234, flags=0, "
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# if VERBOSE
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"??? /* misplaced struct dm_target_spec */"
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# else
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"..."
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# endif /* VERBOSE */
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"}) = -1 EBADF (%m)\n", sizeof(*dm_arg), 0xfffffff8);
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/* Inaccessible pointer */
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init_s(&dm_arg_open1->ioc, offsetof(struct dm_table_open_test, target1),
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offsetof(struct dm_table_open_test, target1));
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|
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); \
|
|
memcpy(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 */
|