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linux/tools/testing/selftests/memfd
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Isaac J. Manjarres fcd39809bf selftests/memfd: run sysctl tests when PID namespace support is enabled 
commit 6a75f19af1 upstream.

The sysctl tests for vm.memfd_noexec rely on the kernel to support PID
namespaces (i.e.  the kernel is built with CONFIG_PID_NS=y).  If the
kernel the test runs on does not support PID namespaces, the first sysctl
test will fail when attempting to spawn a new thread in a new PID
namespace, abort the test, preventing the remaining tests from being run.

This is not desirable, as not all kernels need PID namespaces, but can
still use the other features provided by memfd.  Therefore, only run the
sysctl tests if the kernel supports PID namespaces.  Otherwise, skip those
tests and emit an informative message to let the user know why the sysctl
tests are not being run.

Link: https://lkml.kernel.org/r/20241205192943.3228757-1-isaacmanjarres@google.com
Fixes: 11f75a0144 ("selftests/memfd: add tests for MFD_NOEXEC_SEAL MFD_EXEC")
Signed-off-by: Isaac J. Manjarres <isaacmanjarres@google.com>
Reviewed-by: Jeff Xu <jeffxu@google.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Kalesh Singh <kaleshsingh@google.com>
Cc: <stable@vger.kernel.org>	[6.6+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2024-12-27 14:02:16 +01:00
..
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
common.c memfd-test: move common code to a shared unit 2018-01-31 17:18:39 -08:00
common.h memfd-test: move common code to a shared unit 2018-01-31 17:18:39 -08:00
config selftests: memfd: add config fragment for fuse 2018-02-13 14:13:53 -07:00
fuse_mnt.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fuse_test.c selftests/memfd: fix spelling mistakes 2024-05-07 10:36:59 -07:00
Makefile selftests: memfd: Use installed kernel headers search path 2023-02-13 09:09:46 -07:00
memfd_test.c selftests/memfd: run sysctl tests when PID namespace support is enabled 2024-12-27 14:02:16 +01:00
run_fuse_test.sh memfd-test: run fuse test on hugetlb backend memory 2018-01-31 17:18:39 -08:00
run_hugetlbfs_test.sh selftests: memfd: split regular and hugetlbfs tests 2018-05-30 15:29:06 -06:00