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torture: Demonstrate the invalid lock order panic

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BUG: https://bugzilla.samba.org/show_bug.cgi?id=13584

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Aug 21 02:33:05 CEST 2018 on sn-devel-144
This commit is contained in:
Volker Lendecke 2018-08-06 14:35:15 +02:00 committed by Jeremy Allison
parent 51d5707379
commit ec3c37ee53
1 changed files with 89 additions and 0 deletions
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89
source4/torture/vfs/fruit.c
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@ -4891,6 +4891,93 @@ done:
return ret;
}
static bool test_fruit_locking_conflict(struct torture_context *tctx,
struct smb2_tree *tree)
{
TALLOC_CTX *mem_ctx;
struct smb2_create create;
struct smb2_handle h;
struct smb2_lock lck;
struct smb2_lock_element el;
const char *fname = BASEDIR "\\locking_conflict.txt";
NTSTATUS status;
bool ret = false;
mem_ctx = talloc_new(tctx);
torture_assert_not_null(tctx, mem_ctx, "talloc_new failed");
/* clean slate ...*/
smb2_util_unlink(tree, fname);
smb2_deltree(tree, fname);
smb2_deltree(tree, BASEDIR);
status = torture_smb2_testdir(tree, BASEDIR, &h);
CHECK_STATUS(status, NT_STATUS_OK);
smb2_util_close(tree, h);
create = (struct smb2_create) {
.in.desired_access = SEC_RIGHTS_FILE_READ,
.in.file_attributes = FILE_ATTRIBUTE_NORMAL,
.in.share_access =
NTCREATEX_SHARE_ACCESS_READ|
NTCREATEX_SHARE_ACCESS_WRITE,
.in.create_disposition = NTCREATEX_DISP_CREATE,
.in.impersonation_level = SMB2_IMPERSONATION_ANONYMOUS,
.in.fname = fname,
};
status = smb2_create(tree, mem_ctx, &create);
CHECK_STATUS(status, NT_STATUS_OK);
h = create.out.file.handle;
el = (struct smb2_lock_element) {
.offset = 0xfffffffffffffffc,
.length = 1,
.flags = SMB2_LOCK_FLAG_EXCLUSIVE,
};
lck = (struct smb2_lock) {
.in.lock_count = 1,
.in.file.handle = h,
.in.locks = &el,
};
status = smb2_lock(tree, &lck);
CHECK_STATUS(status, NT_STATUS_OK);
el = (struct smb2_lock_element) {
.offset = 0,
.length = 0x7fffffffffffffff,
.flags = SMB2_LOCK_FLAG_EXCLUSIVE,
};
status = smb2_lock(tree, &lck);
CHECK_STATUS(status, NT_STATUS_OK);
create = (struct smb2_create) {
.in.desired_access =
SEC_RIGHTS_FILE_READ|SEC_RIGHTS_FILE_WRITE,
.in.file_attributes = FILE_ATTRIBUTE_NORMAL,
.in.share_access = NTCREATEX_SHARE_ACCESS_READ,
.in.create_disposition = NTCREATEX_DISP_OPEN,
.in.impersonation_level = SMB2_IMPERSONATION_ANONYMOUS,
.in.fname = fname,
};
status = smb2_create(tree, mem_ctx, &create);
CHECK_STATUS(status, NT_STATUS_FILE_LOCK_CONFLICT);
{
struct smb2_close cl = {
.level = RAW_CLOSE_SMB2,
.in.file.handle = h,
};
smb2_close(tree, &cl);
}
ret = true;
done:
return ret;
}
struct torture_suite *torture_vfs_fruit_netatalk(TALLOC_CTX *ctx)
{
struct torture_suite *suite = torture_suite_create(
@ -4900,6 +4987,8 @@ struct torture_suite *torture_vfs_fruit_netatalk(TALLOC_CTX *ctx)
torture_suite_add_1smb2_test(suite, "read netatalk metadata", test_read_netatalk_metadata);
torture_suite_add_1smb2_test(suite, "stream names with locally created xattr", test_stream_names_local);
torture_suite_add_1smb2_test(
suite, "locking conflict", test_fruit_locking_conflict);
return suite;
}