Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
kcsan: remove rng selftest
The first test of the kcsan selftest appears to test if get_random_u32()
returns two zeros in a row, and requires that it doesn't. This seems
like a bogus criteron. Remove it.
Acked-by: Marco Elver <elver@google.com>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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kernel/kcsan/selftest.c
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kernel/kcsan/selftest.c
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#define ITERS_PER_TEST 2000
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/* Test requirements. */
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static bool __init test_requires(void)
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{
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/* random should be initialized for the below tests */
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return get_random_u32() + get_random_u32() != 0;
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}
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/*
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* Test watchpoint encode and decode: check that encoding some access's info,
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* and then subsequent decode preserves the access's info.
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pr_err("selftest: " #do_test " failed"); \
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} while (0)
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RUN_TEST(test_requires);
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RUN_TEST(test_encode_decode);
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RUN_TEST(test_matching_access);
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RUN_TEST(test_barrier);