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linux/lib/usercopy_kunit.c

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usercopy: Convert test_user_copy to KUnit test Convert the runtime tests of hardened usercopy to standard KUnit tests. Additionally disable usercopy_test_invalid() for systems with separate address spaces (or no MMU) since it's not sensible to test for address confusion there (e.g. m68k). Co-developed-by: Vitor Massaru Iha <vitor@massaru.org> Signed-off-by: Vitor Massaru Iha <vitor@massaru.org> Link: https://lore.kernel.org/r/20200721174654.72132-1-vitor@massaru.org Tested-by: Ivan Orlov <ivan.orlov0322@gmail.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Kees Cook <kees@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-06-12 12:59:19 -07:00
kunit/usercopy: Disable u64 test on 32-bit SPARC [ Upstream commit 0d6efa20e384a41a7f4afdcd8a0aec442c19d33e ] usercopy of 64 bit values does not work on 32-bit SPARC: # usercopy_test_valid: EXPECTATION FAILED at lib/tests/usercopy_kunit.c:209 Expected val_u64 == 0x5a5b5c5d6a6b6c6d, but val_u64 == 1515936861 (0x5a5b5c5d) 0x5a5b5c5d6a6b6c6d == 6510899242581322861 (0x5a5b5c5d6a6b6c6d) Disable the test. Fixes: 4c5d7bc63775 ("usercopy: Add tests for all get_user() sizes") Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Link: https://lore.kernel.org/r/20250416-kunit-sparc-usercopy-v1-1-a772054db3af@linutronix.de Signed-off-by: Kees Cook <kees@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2025-04-16 14:44:19 +02:00
usercopy: Convert test_user_copy to KUnit test Convert the runtime tests of hardened usercopy to standard KUnit tests. Additionally disable usercopy_test_invalid() for systems with separate address spaces (or no MMU) since it's not sensible to test for address confusion there (e.g. m68k). Co-developed-by: Vitor Massaru Iha <vitor@massaru.org> Signed-off-by: Vitor Massaru Iha <vitor@massaru.org> Link: https://lore.kernel.org/r/20200721174654.72132-1-vitor@massaru.org Tested-by: Ivan Orlov <ivan.orlov0322@gmail.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Kees Cook <kees@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-06-12 12:59:19 -07:00
kunit/usercopy: Disable testing on !CONFIG_MMU Since arch_pick_mmap_layout() is an inline for non-MMU systems, disable this test there. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202406160505.uBge6TMY-lkp@intel.com/ Signed-off-by: Kees Cook <kees@kernel.org> Reviewed-by: Rae Moar <rmoar@google.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-06-19 13:25:17 -07:00
usercopy: Convert test_user_copy to KUnit test Convert the runtime tests of hardened usercopy to standard KUnit tests. Additionally disable usercopy_test_invalid() for systems with separate address spaces (or no MMU) since it's not sensible to test for address confusion there (e.g. m68k). Co-developed-by: Vitor Massaru Iha <vitor@massaru.org> Signed-off-by: Vitor Massaru Iha <vitor@massaru.org> Link: https://lore.kernel.org/r/20200721174654.72132-1-vitor@massaru.org Tested-by: Ivan Orlov <ivan.orlov0322@gmail.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Kees Cook <kees@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-06-12 12:59:19 -07:00
kunit/usercopy: Add missing MODULE_DESCRIPTION() Fix warning seen with: $ make allmodconfig && make W=1 C=1 lib/usercopy_kunit.ko WARNING: modpost: missing MODULE_DESCRIPTION() in lib/usercopy_kunit.o Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Signed-off-by: Kees Cook <kees@kernel.org> Reviewed-by: Rae Moar <rmoar@google.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-06-19 13:26:59 -07:00
usercopy: Convert test_user_copy to KUnit test Convert the runtime tests of hardened usercopy to standard KUnit tests. Additionally disable usercopy_test_invalid() for systems with separate address spaces (or no MMU) since it's not sensible to test for address confusion there (e.g. m68k). Co-developed-by: Vitor Massaru Iha <vitor@massaru.org> Signed-off-by: Vitor Massaru Iha <vitor@massaru.org> Link: https://lore.kernel.org/r/20200721174654.72132-1-vitor@massaru.org Tested-by: Ivan Orlov <ivan.orlov0322@gmail.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Kees Cook <kees@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2024-06-12 12:59:19 -07:00