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Автор SHA1 Сообщение Дата
Axel Rasmussen 54d69f072d selftests: fixup build warnings in pidfd / clone3 tests
[ Upstream commit e2aa5e650b ]

These are some trivial fixups, which were needed to build the tests with
clang and -Werror. The following issues are fixed:

- Remove various unused variables.
- In child_poll_leader_exit_test, clang isn't smart enough to realize
  syscall(SYS_exit, 0) won't return, so it complains we never return
  from a non-void function. Add an extra exit(0) to appease it.
- In test_pidfd_poll_leader_exit, ret may be branched on despite being
  uninitialized, if we have !use_waitpid. Initialize it to zero to get
  the right behavior in that case.

Signed-off-by: Axel Rasmussen <axelrasmussen@google.com>
Acked-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-02-23 12:03:18 +01:00
Anders Roxell c0dbfef7e6 selftests: clone3: clone3: add case CLONE3_ARGS_NO_TEST
[ Upstream commit a531b0c23c ]

Building selftests/clone3 with clang warns about enumeration not handled
in switch case:

clone3.c:54:10: warning: enumeration value 'CLONE3_ARGS_NO_TEST' not handled in switch [-Wswitch]
        switch (test_mode) {
                ^

Add the missing switch case with a comment.

Fixes: 17a810699c ("selftests: add tests for clone3()")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-01-27 11:03:33 +01:00
Xingxing Su 88f4ede44c selftests/clone3: Fix build error
When compiling the selftests with the -std=gnu99 option the build can
fail with.

Following build error:

  test_core.c: In function ‘test_cgcore_destroy’:
  test_core.c:87:2: error: ‘for’ loop initial declarations are only
  allowed in C99 mode
    for (int i = 0; i < 10; i++) {
    ^
  test_core.c:87:2: note: use option -std=c99 or -std=gnu99 to compile

Add -std=gnu99 to the clone3 selftest Makefile to fix this.

Signed-off-by: Xingxing Su <suxingxing@loongson.cn>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-12-07 14:34:55 -07:00
Tommi Rantala afba8b0a2c selftests: clone3: use SKIP instead of XFAIL
XFAIL is gone since commit 9847d24af9 ("selftests/harness: Refactor XFAIL
into SKIP"), use SKIP instead.

Fixes: 9847d24af9 ("selftests/harness: Refactor XFAIL into SKIP")
Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-11-05 10:08:15 -07:00
Kees Cook e953aeaa91 selftests/clone3: Avoid OS-defined clone_args
As the UAPI headers start to appear in distros, we need to avoid
outdated versions of struct clone_args to be able to test modern
features, named "struct __clone_args". Additionally update the struct
size macro names to match UAPI names.

Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/lkml/20200921075432.u4gis3s2o5qrsb5g@wittgenstein/
Signed-off-by: Kees Cook <keescook@chromium.org>
2020-10-08 13:17:25 -07:00
Linus Torvalds 4834ce9d8e linux-kselftest-5.9-rc1
This Kselftest update for Linux 5.9-rc1 consists of
 
 - TAP output reporting related fixes from Paolo Bonzini and Kees Cook.
   These fixes make it skip reporting consistent with TAP format.
 - Cleanup fixes to framework run_tests from Yauheni Kaliuta
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Merge tag 'linux-kselftest-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest updates form Shuah Khan:

 - TAP output reporting related fixes from Paolo Bonzini and Kees Cook.

   These fixes make it skip reporting consistent with TAP format.

 - Cleanup fixes to framework run_tests from Yauheni Kaliuta

* tag 'linux-kselftest-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (23 commits)
  selftests/harness: Limit step counter reporting
  selftests/seccomp: Check ENOSYS under tracing
  selftests/seccomp: Refactor to use fixture variants
  selftests/harness: Clean up kern-doc for fixtures
  selftests: kmod: Add module address visibility test
  Replace HTTP links with HTTPS ones: KMOD KERNEL MODULE LOADER - USERMODE HELPER
  selftests: fix condition in run_tests
  selftests: do not use .ONESHELL
  selftests: pidfd: skip test if unshare fails with EPERM
  selftests: pidfd: do not use ksft_exit_skip after ksft_set_plan
  selftests/harness: Report skip reason
  selftests/harness: Display signed values correctly
  selftests/harness: Refactor XFAIL into SKIP
  selftests/harness: Switch to TAP output
  selftests: Add header documentation and helpers
  selftests/binderfs: Fix harness API usage
  selftests: Remove unneeded selftest API headers
  selftests/clone3: Reorder reporting output
  selftests: sync_test: do not use ksft_exit_skip after ksft_set_plan
  selftests: sigaltstack: do not use ksft_exit_skip after ksft_set_plan
  ...
2020-08-05 10:28:25 -07:00
Adrian Reber 1d27a0be16
selftests: add clone3() CAP_CHECKPOINT_RESTORE test
This adds a test that changes its UID, uses capabilities to
get CAP_CHECKPOINT_RESTORE and uses clone3() with set_tid to
create a process with a given PID as non-root.

Signed-off-by: Adrian Reber <areber@redhat.com>
Link: https://lore.kernel.org/r/20200719100418.2112740-8-areber@redhat.com
[christian.brauner@ubuntu.com: use TH_LOG() instead of ksft_print_msg()]
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
2020-07-20 15:47:42 +02:00
Kees Cook 51ad5b54b6 selftests/clone3: Reorder reporting output
Selftest output reporting was happening before the TAP headers and plan
had been emitted. Move the first test reports later.

Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-07-06 15:58:49 -06:00
Linus Torvalds ff2ae607c6 SPDX patches for 5.7-rc1.
Here are 3 SPDX patches for 5.7-rc1.
 
 One fixes up the SPDX tag for a single driver, while the other two go
 through the tree and add SPDX tags for all of the .gitignore files as
 needed.
 
 Nothing too complex, but you will get a merge conflict with your current
 tree, that should be trivial to handle (one file modified by two things,
 one file deleted.)
 
 All 3 of these have been in linux-next for a while, with no reported
 issues other than the merge conflict.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'spdx-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx

Pull SPDX updates from Greg KH:
 "Here are three SPDX patches for 5.7-rc1.

  One fixes up the SPDX tag for a single driver, while the other two go
  through the tree and add SPDX tags for all of the .gitignore files as
  needed.

  Nothing too complex, but you will get a merge conflict with your
  current tree, that should be trivial to handle (one file modified by
  two things, one file deleted.)

  All three of these have been in linux-next for a while, with no
  reported issues other than the merge conflict"

* tag 'spdx-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx:
  ASoC: MT6660: make spdxcheck.py happy
  .gitignore: add SPDX License Identifier
  .gitignore: remove too obvious comments
2020-04-03 13:12:26 -07:00
Masahiro Yamada d198b34f38 .gitignore: add SPDX License Identifier
Add SPDX License Identifier to all .gitignore files.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-25 11:50:48 +01:00
Christian Brauner 9bd5910d7f selftests/cgroup: add tests for cloning into cgroups
Expand the cgroup test-suite to include tests for CLONE_INTO_CGROUP.
This adds the following tests:
- CLONE_INTO_CGROUP manages to clone a process directly into a correctly
  delegated cgroup
- CLONE_INTO_CGROUP fails to clone a process into a cgroup that has been
  removed after we've opened an fd to it
- CLONE_INTO_CGROUP fails to clone a process into an invalid domain
  cgroup
- CLONE_INTO_CGROUP adheres to the no internal process constraint
- CLONE_INTO_CGROUP works with the freezer feature

Cc: Tejun Heo <tj@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: cgroups@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Acked-by: Roman Gushchin <guro@fb.com>
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
2020-02-12 17:57:51 -05:00
Christian Brauner 11fde161ab
selftests/clone3: skip if clone3() is ENOSYS
If the clone3() syscall is not implemented we should skip the tests.

Fixes: 41585bbeee ("selftests: add tests for clone3() with *set_tid")
Fixes: 17a810699c ("selftests: add tests for clone3()")
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
2019-11-18 08:59:03 +01:00
Andrei Vagin a019ff3b8b
selftests/clone3: check that all pids are released on error paths
This is a regression test case for an issue when pids have not been
released on error paths.

Signed-off-by: Andrei Vagin <avagin@gmail.com>
Link: https://lore.kernel.org/r/20191118064750.408003-3-avagin@gmail.com
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
2019-11-18 08:57:59 +01:00
Andrei Vagin 28df751539
selftests/clone3: report a correct number of fails
In clone3_set_tid, a few test cases are running in a child process.  And
right now, if one of these test cases fails, the whole test will exit
with the success status.

Fixes: 41585bbeee ("selftests: add tests for clone3() with *set_tid")
Signed-off-by: Andrei Vagin <avagin@gmail.com>
Link: https://lore.kernel.org/r/20191118064750.408003-2-avagin@gmail.com
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
2019-11-18 08:57:54 +01:00
Andrei Vagin 4f5c289ea6
selftests/clone3: flush stdout and stderr before clone3() and _exit()
Buffers have to be flushed before clone3() to avoid double messages in
the log.

Fixes: 41585bbeee ("selftests: add tests for clone3() with *set_tid")
Signed-off-by: Andrei Vagin <avagin@gmail.com>
Link: https://lore.kernel.org/r/20191118064750.408003-1-avagin@gmail.com
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
2019-11-18 08:57:23 +01:00
Adrian Reber 41585bbeee selftests: add tests for clone3() with *set_tid
This tests clone3() with *set_tid to see if all desired PIDs are working
as expected. The tests are trying multiple invalid input parameters as
well as creating processes while specifying a certain PID in multiple
PID namespaces at the same time.

Additionally this moves common clone3() test code into clone3_selftests.h.

Signed-off-by: Adrian Reber <areber@redhat.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/r/20191115123621.142252-2-areber@redhat.com
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
2019-11-15 23:49:51 +01:00
Adrian Reber 17a810699c
selftests: add tests for clone3()
This adds tests for clone3() with different values and sizes
of struct clone_args.

This selftest was initially part of of the clone3() with PID selftest.
After that patch was almost merged Eugene sent out a couple of patches
to fix problems with these test.

This commit now only contains the clone3() selftest after the LPC
decision to rework clone3() with PID to allow setting the PID in
multiple PID namespaces including all of Eugene's patches.

Signed-off-by: Eugene Syromiatnikov <esyr@redhat.com>
Signed-off-by: Adrian Reber <areber@redhat.com>
Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/r/20191112095851.811884-1-areber@redhat.com
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
2019-11-12 12:11:57 +01:00
Christian Brauner de52872356
tests: test CLONE_CLEAR_SIGHAND
Test that CLONE_CLEAR_SIGHAND resets signal handlers to SIG_DFL for the
child process and that CLONE_CLEAR_SIGHAND and CLONE_SIGHAND are
mutually exclusive.

Cc: Florian Weimer <fweimer@redhat.com>
Cc: libc-alpha@sourceware.org
Cc: linux-api@vger.kernel.org
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/r/20191014104538.3096-2-christian.brauner@ubuntu.com
2019-10-21 21:47:04 +02:00