From: SeongJae Park <sj@kernel.org>
Cc: SeongJae Park <sj@kernel.org>,
"# 6 . 16 . 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/sysfs-schemes: fix use-after-free for [memcg_]path
Date: Wed, 22 Apr 2026 07:34:59 -0700 [thread overview]
Message-ID: <20260422143503.71357-1-sj@kernel.org> (raw)
Reads of 'path' and 'memcg_path' files in DAMON sysfs interface could
race with their writes, results in use-after-free. Fix those.
SeongJae Park (2):
mm/damon/sysfs-schemes: protect memcg_path kfree() with
damon_sysfs_lock
mm/damon/sysfs-schemes: protect path kfree() with damon_sysfs_lock
mm/damon/sysfs-schemes.c | 24 ++++++++++++++++++++++--
1 file changed, 22 insertions(+), 2 deletions(-)
base-commit: 0d45806f3a75bf53e59475b0e56be324f650ab09
--
2.47.3
next reply other threads:[~2026-04-22 14:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-22 14:34 SeongJae Park [this message]
2026-04-22 14:35 ` [RFC PATCH 1/2] mm/damon/sysfs-schemes: protect memcg_path kfree() with damon_sysfs_lock SeongJae Park
2026-04-22 20:30 ` sashiko-bot
2026-04-23 0:41 ` SeongJae Park
2026-04-22 14:35 ` [RFC PATCH 2/2] mm/damon/sysfs-schemes: protect path " SeongJae Park
2026-04-22 21:02 ` sashiko-bot
2026-04-23 0:46 ` SeongJae Park
2026-04-22 14:40 ` [RFC PATCH 0/2] mm/damon/sysfs-schemes: fix use-after-free for [memcg_]path SeongJae Park
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