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2017-08-07test_sysctl: fix sysctl.sh by making it executableLuis R. Rodriguez1-0/+0
We had just forogtten to do this. Without this the following test fails: $ sudo make -C tools/testing/selftests/sysctl/ run_tests make: Entering directory '/home/mcgrof/linux-next/tools/testing/selftests/sysctl' /bin/sh: ./sysctl.sh: Permission denied selftests: sysctl.sh [FAIL] /home/mcgrof/linux-next/tools/testing/selftests/sysctl make: Leaving directory '/home/mcgrof/linux-next/tools/testing/selftests/sysctl' Fixes: 64b671204afd71 ("test_sysctl: add generic script to expand on tests") Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
2017-07-12test_sysctl: test against int proc_dointvec() array supportLuis R. Rodriguez1-0/+89
Add a few initial respective tests for an array: o Echoing values separated by spaces works o Echoing only first elements will set first elements o Confirm PAGE_SIZE limit still applies even if an array is used Link: http://lkml.kernel.org/r/20170630224431.17374-7-mcgrof@kernel.org Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Cc: Kees Cook <keescook@chromium.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-12test_sysctl: add simple proc_douintvec() caseLuis R. Rodriguez1-0/+63
Test against a simple proc_douintvec() case. While at it, add a test against UINT_MAX. Make sure UINT_MAX works, and UINT_MAX+1 will fail and that negative values are not accepted. Link: http://lkml.kernel.org/r/20170630224431.17374-6-mcgrof@kernel.org Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Cc: Kees Cook <keescook@chromium.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-12test_sysctl: add simple proc_dointvec() caseLuis R. Rodriguez1-0/+62
Test against a simple proc_dointvec() case. While at it, add a test against INT_MAX. Make sure INT_MAX works, and INT_MAX+1 will fail. Also test negative values work. Link: http://lkml.kernel.org/r/20170630224431.17374-5-mcgrof@kernel.org Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Cc: Kees Cook <keescook@chromium.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-12test_sysctl: test against PAGE_SIZE for intLuis R. Rodriguez1-0/+66
Add the following tests to ensure we do not regress: o Test using a buffer full of space (PAGE_SIZE-1) followed by a single digit works o Test using a buffer full of spaces (PAGE_SIZE or over) will fail As tests increase instead of unloading the module and reloading it we can just do a shell reset_vals() with a reset to values we know are set at init on the driver. Link: http://lkml.kernel.org/r/20170630224431.17374-4-mcgrof@kernel.org Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Cc: Kees Cook <keescook@chromium.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-12test_sysctl: add generic script to expand on testsLuis R. Rodriguez1-0/+494
This adds a generic script to let us more easily add more tests cases. Since we really have only two types of tests cases just fold them into the one file. Each test unit is now identified into its separate function: # ./sysctl.sh -l Test ID list: TEST_ID x NUM_TEST TEST_ID: Test ID NUM_TESTS: Number of recommended times to run the test 0001 x 1 - tests proc_dointvec_minmax() 0002 x 1 - tests proc_dostring() For now we start off with what we had before, and run only each test once. We can now watch a test case until it fails: ./sysctl.sh -w 0002 We can also run a test case x number of times, say we want to run a test case 100 times: ./sysctl.sh -c 0001 100 To run a test case only once, for example: ./sysctl.sh -s 0002 The default settings are specified at the top of sysctl.sh. Link: http://lkml.kernel.org/r/20170630224431.17374-3-mcgrof@kernel.org Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org> Cc: Kees Cook <keescook@chromium.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>