---
dm.c | 4 +++-
tests/ioctl_dm.c | 41 ++++++++++++++++++++++++-----------------
2 files changed, 27 insertions(+), 18 deletions(-)
diff --git a/dm.c b/dm.c
index 5c908c9..caffc55 100644
--- a/dm.c
+++ b/dm.c
@@ -327,7 +327,6 @@ dm_known_ioctl(struct tcb *tcp, const unsigned int code,
long arg)
tprintf("%s{version=%d.%d.%d", entering(tcp) ? ", " : " => ",
ioc->version[0], ioc->version[1], ioc->version[2]);
-
/*
* if we use a different version of ABI, do not attempt to decode
* ioctl fields
@@ -337,6 +336,9 @@ dm_known_ioctl(struct tcb *tcp, const unsigned int code,
long arg)
goto skip;
}
+ tprintf(", data_size=%u, data_start=%u",
+ ioc->data_size, ioc->data_start);
+
if (ioc->data_size < (sizeof(*ioc) - sizeof(ioc->data))) {
tprints(", /* Incorrect data_size */ ...");
goto skip;
diff --git a/tests/ioctl_dm.c b/tests/ioctl_dm.c
index 94dbe93..6967ca2 100644
--- a/tests/ioctl_dm.c
+++ b/tests/ioctl_dm.c
@@ -42,8 +42,9 @@ main(void)
s.ioc.data_start = 0;
ioctl(-1, DM_VERSION, &s);
printf("ioctl(-1, DM_VERSION, "
- "{version=4.1.2, dev=makedev(18, 52), name=\"nnn\", "
- "uuid=\"uuu\", flags=0}) = -1 EBADF (%m)\n");
+ "{version=4.1.2, data_size=%zu, data_start=0, "
+ "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0}) = "
+ "-1 EBADF (%m)\n", sizeof(s.ioc));
init_s();
s.ioc.target_count = 1;
@@ -55,10 +56,11 @@ main(void)
strcpy(s.u.ts.target_params, "tparams");
ioctl(-1, DM_TABLE_LOAD, &s);
printf("ioctl(-1, DM_TABLE_LOAD, "
- "{version=4.1.2, dev=makedev(18, 52), name=\"nnn\", "
- "uuid=\"uuu\", target_count=1, flags=0, {sector_start=16, "
+ "{version=4.1.2, data_size=%u, data_start=%u, "
+ "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
+ "target_count=1, flags=0, {sector_start=16, "
"length=32, target_type=\"tgt\", string=\"tparams\"}}) = "
- "-1 EBADF (%m)\n");
+ "-1 EBADF (%m)\n", s.ioc.data_size, s.ioc.data_start);
init_s();
s.u.tm.target_msg.sector = 0x1234;
@@ -66,34 +68,39 @@ main(void)
"tmsg");
ioctl(-1, DM_TARGET_MSG, &s);
printf("ioctl(-1, DM_TARGET_MSG, "
- "{version=4.1.2, dev=makedev(18, 52), name=\"nnn\", "
- "uuid=\"uuu\", flags=0, {sector=4660, message=\"tmsg\"}}) = "
- "-1 EBADF (%m)\n");
+ "{version=4.1.2, data_size=%u, data_start=%u, "
+ "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, "
+ "{sector=4660, message=\"tmsg\"}}) = -1 EBADF (%m)\n",
+ s.ioc.data_size, s.ioc.data_start);
init_s();
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, dev=makedev(18, 52), name=\"nnn\", "
- "uuid=\"uuu\", flags=0, string=\"10 20 30 40\"}) = "
- "-1 EBADF (%m)\n");
+ "{version=4.1.2, data_size=%u, data_start=%u, "
+ "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", flags=0, "
+ "string=\"10 20 30 40\"}) = -1 EBADF (%m)\n",
+ s.ioc.data_size, s.ioc.data_start);
init_s();
strcpy(s.u.string, "new-name");
ioctl(-1, DM_DEV_RENAME, &s);
printf("ioctl(-1, DM_DEV_RENAME, "
- "{version=4.1.2, dev=makedev(18, 52), name=\"nnn\", "
- "uuid=\"uuu\", event_nr=0, flags=0, string=\"new-name\"}) = "
- "-1 EBADF (%m)\n");
+ "{version=4.1.2, data_size=%u, data_start=%u, "
+ "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", event_nr=0, "
+ "flags=0, string=\"new-name\"}) = -1 EBADF (%m)\n",
+ s.ioc.data_size, s.ioc.data_start);
init_s();
s.ioc.target_count = -1U;
ioctl(-1, DM_TABLE_LOAD, &s);
printf("ioctl(-1, DM_TABLE_LOAD, "
- "{version=4.1.2, dev=makedev(18, 52), name=\"nnn\", "
- "uuid=\"uuu\", target_count=4294967295, flags=0, "
+ "{version=4.1.2, data_size=%u, data_start=%u, "
+ "dev=makedev(18, 52), name=\"nnn\", uuid=\"uuu\", "
+ "target_count=4294967295, flags=0, "
"{sector_start=0, length=0, target_type=\"\", string=\"\"}, "
- "/* misplaced struct dm_target_spec */ ...}) = -1 EBADF (%m)\n");
+ "/* misplaced struct dm_target_spec */ ...}) = -1 EBADF (%m)\n",
+ s.ioc.data_size, s.ioc.data_start);
puts("+++ exited with 0 +++");
return 0;
--
1.7.10.4
------------------------------------------------------------------------------
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