From: SeongJae Park <sj@kernel.org>
Cc: SeongJae Park <sj@kernel.org>,
"# 6 . 14 . x" <stable@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
damon@lists.linux.dev, linux-kernel@vger.kernel.org,
linux-mm@kvack.org
Subject: [RFC PATCH 0/2] mm/damon: fix damon_call()-related leak and deadlock
Date: Wed, 25 Mar 2026 23:23:44 -0700 [thread overview]
Message-ID: <20260326062347.88569-1-sj@kernel.org> (raw)
DAMON_SYSFS can leak memory due to improper handling of damon_call()
failure. It can also cause a deadlock due to a race between
damon_call() and kdamond_fn() termination. Fix those.
SeongJae Park (2):
mm/damon/sysfs: dealloc repeat_call_control if damon_call() fails
mm/damon/core: fix damon_call() vs kdamond_fn() exit race deadlock
include/linux/damon.h | 1 +
mm/damon/core.c | 41 ++++++++++-------------------------------
mm/damon/sysfs.c | 3 ++-
3 files changed, 13 insertions(+), 32 deletions(-)
base-commit: 2b3fbc1796d335685d9b7a825c621914a1c97d1d
--
2.47.3
next reply other threads:[~2026-03-26 6:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-26 6:23 SeongJae Park [this message]
2026-03-26 6:23 ` [RFC PATCH 2/2] mm/damon/core: fix damon_call() vs kdamond_fn() exit race deadlock SeongJae Park
2026-03-26 13:43 ` (sashiko review) " SeongJae Park
2026-03-26 13:51 ` SeongJae Park
2026-03-26 13:42 ` (sashiko status) [RFC PATCH 0/2] mm/damon: fix damon_call()-related leak and deadlock SeongJae Park
2026-03-26 14:53 ` SeongJae Park
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