[PATCH 0/2] mm/damon: fix memory leak in memcg_path sysfs file

Users can leak memory by repeatedly writing a string to DAMOS sysfs memcg_path file. Fix it (patch 1) and add a selftest (patch 2) to avoid reoccurrance of the bug.

SeongJae Park (2): mm/damon/sysfs-schemes: free old damon_sysfs_scheme_filter->memcg_path on write selftets/damon: add a test for memcg_path leak

mm/damon/sysfs-schemes.c | 1 + tools/testing/selftests/damon/Makefile | 1 + .../selftests/damon/sysfs_memcg_path_leak.sh | 43 +++++++++++++++++++ 3 files changed, 45 insertions(+) create mode 100755 tools/testing/selftests/damon/sysfs_memcg_path_leak.sh

base-commit: 05b89e828eb4f791f721cbdc65f36e1a8287a9d3