Re: [PATCH next] mm/damon/tests/sysfs-kunit: fix use after free on error path

From: SeongJae Park

Date: Fri Nov 21 2025 - 11:35:50 EST


On Fri, 21 Nov 2025 16:36:38 +0300 Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:

> Re-order these frees to avoid dereferencing "sysfs_target" after it has
> been freed.

Thank you for finding and fixing this!

>
> Fixes: ee131696794c ("mm/damon/tests/sysfs-kunit: handle alloc failures on damon_sysfs_test_add_targets()")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

Reviewed-by: SeongJae Park <sj@xxxxxxxxxx>


Thanks,
SJ

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