6.12-stable review patch. If anyone has any objections, please let me know.
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From: Thomas Weißschuh thomas.weissschuh@linutronix.de
[ 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@li... Signed-off-by: Kees Cook kees@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- lib/usercopy_kunit.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/lib/usercopy_kunit.c b/lib/usercopy_kunit.c index 77fa00a13df77..80f8abe10968c 100644 --- a/lib/usercopy_kunit.c +++ b/lib/usercopy_kunit.c @@ -27,6 +27,7 @@ !defined(CONFIG_MICROBLAZE) && \ !defined(CONFIG_NIOS2) && \ !defined(CONFIG_PPC32) && \ + !defined(CONFIG_SPARC32) && \ !defined(CONFIG_SUPERH)) # define TEST_U64 #endif