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[ 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>
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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>
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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>
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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>
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