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kcsan: remove rng selftest

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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>
This commit is contained in:
Jason A. Donenfeld 2022-10-16 22:42:25 -06:00
parent 094226ad94
commit 6ce625939e
1 changed files with 0 additions and 8 deletions
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8
kernel/kcsan/selftest.c
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@ -22,13 +22,6 @@
#define ITERS_PER_TEST 2000
/* Test requirements. */
static bool __init test_requires(void)
{
/* random should be initialized for the below tests */
return get_random_u32() + get_random_u32() != 0;
}
/*
* Test watchpoint encode and decode: check that encoding some access's info,
* and then subsequent decode preserves the access's info.
@ -259,7 +252,6 @@ static int __init kcsan_selftest(void)
pr_err("selftest: " #do_test " failed"); \
} while (0)
RUN_TEST(test_requires);
RUN_TEST(test_encode_decode);
RUN_TEST(test_matching_access);
RUN_TEST(test_barrier);