git: 5a1de9c25def - main - Add simple kyua tests for the mod* system calls.
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Date: Fri, 04 Mar 2022 01:52:41 UTC
The branch main has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=5a1de9c25defdc0e5d08150d5b1877ac117f43e4 commit 5a1de9c25defdc0e5d08150d5b1877ac117f43e4 Author: John Baldwin <jhb@FreeBSD.org> AuthorDate: 2022-03-04 01:51:45 +0000 Commit: John Baldwin <jhb@FreeBSD.org> CommitDate: 2022-03-04 01:51:45 +0000 Add simple kyua tests for the mod* system calls. Reviewed by: markj Obtained from: CheriBSD Sponsored by: University of Cambridge, Google, Inc. Differential Revision: https://reviews.freebsd.org/D34417 --- tests/sys/kern/Makefile | 1 + tests/sys/kern/module_test.c | 197 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 198 insertions(+) diff --git a/tests/sys/kern/Makefile b/tests/sys/kern/Makefile index fe23803c2267..dbf88dd89a9a 100644 --- a/tests/sys/kern/Makefile +++ b/tests/sys/kern/Makefile @@ -18,6 +18,7 @@ ATF_TESTS_C+= kill_zombie .if ${MK_OPENSSL} != "no" ATF_TESTS_C+= ktls_test .endif +ATF_TESTS_C+= module_test ATF_TESTS_C+= ptrace_test TEST_METADATA.ptrace_test+= timeout="15" ATF_TESTS_C+= reaper diff --git a/tests/sys/kern/module_test.c b/tests/sys/kern/module_test.c new file mode 100644 index 000000000000..eaebf7196523 --- /dev/null +++ b/tests/sys/kern/module_test.c @@ -0,0 +1,197 @@ +/*- + * Copyright (c) 2022 University of Cambridge + * + * This software was developed by Ararat River Consulting, LLC under + * sponsorship from the University of Cambridge Computer Laboratory + * (Department of Computer Science and Technology) and Google, Inc. + * + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 <sys/param.h> +#include <sys/module.h> +#include <errno.h> +#include <atf-c.h> + +ATF_TC_WITHOUT_HEAD(modfind); +ATF_TC_BODY(modfind, tc) +{ + int modid; + + /* This module is present in sys/kern/subr_bus.c. */ + modid = modfind("rootbus"); + ATF_REQUIRE(modid > 0); + + modid = modfind("nonexistent_module"); + ATF_REQUIRE(modid == -1); + ATF_REQUIRE(errno = ENOENT); +} + +ATF_TC_WITHOUT_HEAD(modnext); +ATF_TC_BODY(modnext, tc) +{ + int modid; + + /* This assumes -1 is never used as a valid module id. */ + modid = modnext(-1); + ATF_REQUIRE(modid == -1); + ATF_REQUIRE(errno = ENOENT); + + modid = modnext(0); + ATF_REQUIRE(modid > 0); + + for (;;) { + modid = modnext(modid); + ATF_REQUIRE(modid >= 0); + if (modid == 0) + break; + } +} + +ATF_TC_WITHOUT_HEAD(modfnext); +ATF_TC_BODY(modfnext, tc) +{ + int modid; + + /* This assumes -1 is never used as a valid module id. */ + modid = modfnext(-1); + ATF_REQUIRE(modid == -1); + ATF_REQUIRE(errno = ENOENT); + + modid = modfnext(0); + ATF_REQUIRE(modid == -1); + ATF_REQUIRE(errno = ENOENT); + + modid = modnext(0); + ATF_REQUIRE(modid > 0); + + for (;;) { + modid = modfnext(modid); + ATF_REQUIRE(modid >= 0); + if (modid == 0) + break; + } +} + +ATF_TC_WITHOUT_HEAD(modstat); +ATF_TC_BODY(modstat, tc) +{ + struct module_stat ms; + int modid; + + ms.version = sizeof(ms); + ATF_REQUIRE(modstat(0, &ms) == -1); + ATF_REQUIRE(errno == ENOENT); + + modid = modnext(0); + ATF_REQUIRE(modid > 0); + + ATF_REQUIRE(modstat(modid, NULL) == -1); + ATF_REQUIRE(errno == EFAULT); + + ms.version = 0; + ATF_REQUIRE(modstat(modid, &ms) == -1); + ATF_REQUIRE(errno == EINVAL); + + ms.version = sizeof(ms); + ATF_REQUIRE(modstat(modid, &ms) == 0); + ATF_REQUIRE(ms.id == modid); + if (strnlen(ms.name, sizeof(ms.name)) < sizeof(ms.name)) + ATF_REQUIRE(modfind(ms.name) == modid); +} + +ATF_TC_WITHOUT_HEAD(modstat_v1); +ATF_TC_BODY(modstat_v1, tc) +{ + struct module_stat_v1 { + int version; + char name[32]; + int refs; + int id; + } ms; + int modid; + + ms.version = sizeof(ms); + ATF_REQUIRE(modstat(0, (struct module_stat *)&ms) == -1); + ATF_REQUIRE(errno == ENOENT); + + modid = modnext(0); + ATF_REQUIRE(modid > 0); + + ATF_REQUIRE(modstat(modid, NULL) == -1); + ATF_REQUIRE(errno == EFAULT); + + ms.version = 0; + ATF_REQUIRE(modstat(modid, (struct module_stat *)&ms) == -1); + ATF_REQUIRE(errno == EINVAL); + + ms.version = sizeof(ms); + ATF_REQUIRE(modstat(modid, (struct module_stat *)&ms) == 0); + ATF_REQUIRE(ms.id == modid); + if (strnlen(ms.name, sizeof(ms.name)) < sizeof(ms.name)) + ATF_REQUIRE(modfind(ms.name) == modid); +} + +ATF_TC_WITHOUT_HEAD(modstat_v2); +ATF_TC_BODY(modstat_v2, tc) +{ + struct module_stat_v2 { + int version; + char name[32]; + int refs; + int id; + modspecific_t data; + } ms; + int modid; + + ms.version = sizeof(ms); + ATF_REQUIRE(modstat(0, (struct module_stat *)&ms) == -1); + ATF_REQUIRE(errno == ENOENT); + + modid = modnext(0); + ATF_REQUIRE(modid > 0); + + ATF_REQUIRE(modstat(modid, NULL) == -1); + ATF_REQUIRE(errno == EFAULT); + + ms.version = 0; + ATF_REQUIRE(modstat(modid, (struct module_stat *)&ms) == -1); + ATF_REQUIRE(errno == EINVAL); + + ms.version = sizeof(ms); + ATF_REQUIRE(modstat(modid, (struct module_stat *)&ms) == 0); + ATF_REQUIRE(ms.id == modid); + if (strnlen(ms.name, sizeof(ms.name)) < sizeof(ms.name)) + ATF_REQUIRE(modfind(ms.name) == modid); +} + +ATF_TP_ADD_TCS(tp) +{ + ATF_TP_ADD_TC(tp, modfind); + ATF_TP_ADD_TC(tp, modnext); + ATF_TP_ADD_TC(tp, modfnext); + ATF_TP_ADD_TC(tp, modstat); + ATF_TP_ADD_TC(tp, modstat_v1); + ATF_TP_ADD_TC(tp, modstat_v2); + + return (atf_no_error()); +}