selftests/damon: test non-context inputs to rm_contexts file

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There was a bug[1] that triggered by writing non-context DAMON debugfs
file names to the 'rm_contexts' DAMON debugfs file.  Add a selftest for
the bug to avoid it happen again.

[1] https://lore.kernel.org/damon/000000000000ede3ac05ec4abf8e@google.com/

Link: https://lkml.kernel.org/r/20221107165001.5717-3-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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SeongJae Park 2022-11-07 16:50:01 +00:00 • committed by Andrew Morton

parent d8dd5e979d

commit d7ec8f421a

2 changed files with 20 additions and 0 deletions

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1

tools/testing/selftests/damon/Makefile

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19

tools/testing/selftests/damon/debugfs_rm_non_contexts.sh

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