selftests/bpf: Fix flaky file_reader test

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file_reader/on_open_expect_fault test expects page fault
when reading pages from the test harness executable.
It is not guaranteed that those are paged out, even
after madvise(MADV_PAGEOUT).
Relax the condition in the test to succeed with both
0 and -EFAULT returned.

Fixes: 784cdf9315 ("selftests/bpf: add file dynptr tests")
Reported-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
Closes: https://lore.kernel.org/all/ah6g7JSYOWGp2oAG@u94a/
Signed-off-by: Mykyta Yatsenko <yatsenko@meta.com>
Tested-by: Ihor Solodrai <ihor.solodrai@linux.dev>
Link: https://lore.kernel.org/r/20260603-file_reader_flake-v1-1-7f3f52d1e388@meta.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Mykyta Yatsenko 2026-06-03 07:39:15 -07:00 • committed by Alexei Starovoitov

parent f64c723741

commit aa22d619ba

1 changed files with 1 additions and 1 deletions

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tools/testing/selftests/bpf/progs/file_reader.c

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