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SubjectRe: [PATCH 0/2] Fix slab-out-of-bounds Write in dbgfs_rm_context_write
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Hi Andrew,


May I ask you to merge this fix in your tree if you have no concern for this?
I think it deserves stable@.


Thanks,
SJ

On Mon, 31 Oct 2022 18:25:52 +0000 SeongJae Park <sj@kernel.org> wrote:

> This patchset is for fixing (patch 1) the syzbot-reported
> slab-out-of-bounds write in dbgfs_rm_context_write[1], and adding a
> selftest for the bug (patch 2).
>
> [1] https://lore.kernel.org/damon/000000000000ede3ac05ec4abf8e@google.com/
>
> SeongJae Park (2):
> mm/damon/dbgfs: check if rm_contexts input is for a real context
> selftests/damon: test non-context inputs to rm_contexts file
>
> mm/damon/dbgfs.c | 7 +++++++
> tools/testing/selftests/damon/Makefile | 1 +
> .../damon/debugfs_rm_non_contexts.sh | 19 +++++++++++++++++++
> 3 files changed, 27 insertions(+)
> create mode 100755 tools/testing/selftests/damon/debugfs_rm_non_contexts.sh
>
> --
> 2.25.1

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