From: Christian Brauner <brauner@kernel.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org, linux-modules@vger.kernel.org,
linux-nfs@vger.kernel.org, bpf@vger.kernel.org,
kunit-dev@googlegroups.com, linux-doc@vger.kernel.org,
linux-trace-kernel@vger.kernel.org, netfs@lists.linux.dev,
io-uring@vger.kernel.org, audit@vger.kernel.org,
rcu@vger.kernel.org, kvm@vger.kernel.org,
virtualization@lists.linux.dev, netdev@vger.kernel.org,
linux-mm@kvack.org, linux-security-module@vger.kernel.org,
Christian Loehle <christian.loehle@arm.com>,
linux-fsdevel@vger.kernel.org,
Christian Brauner <brauner@kernel.org>
Subject: [PATCH v2 0/2] kthread, exit: clean up kernel thread exit paths
Date: Tue, 10 Mar 2026 15:56:08 +0100 [thread overview]
Message-ID: <20260310-work-kernel-exit-v2-0-30711759d87b@kernel.org> (raw)
In 28aaa9c39945 ("kthread: consolidate kthread exit paths to prevent
use-after-free") we folded kthread_exit() into do_exit() to fix a UAF
bug but left kthread_exit() around as an alias. Remove it.
While at it, rename do_exit() to task_exit() to communicate that is not
just a private api.
Signed-off-by: Christian Brauner <brauner@kernel.org>
---
Christian Brauner (2):
kthread: remove kthread_exit()
tree-wide: rename do_exit() to task_exit()
Documentation/accounting/taskstats-struct.rst | 2 +-
Documentation/locking/robust-futexes.rst | 8 ++++----
Documentation/trace/kprobes.rst | 2 +-
fs/cachefiles/namei.c | 2 +-
include/linux/kernel.h | 2 +-
include/linux/kthread.h | 1 -
include/linux/module.h | 2 +-
include/linux/sunrpc/svc.h | 2 +-
io_uring/io-wq.c | 2 +-
io_uring/sqpoll.c | 2 +-
kernel/acct.c | 2 +-
kernel/auditsc.c | 4 ++--
kernel/bpf/verifier.c | 2 +-
kernel/exit.c | 10 +++++-----
kernel/futex/futex.h | 2 +-
kernel/futex/pi.c | 2 +-
kernel/futex/syscalls.c | 2 +-
kernel/kthread.c | 8 ++++----
kernel/locking/rwsem.c | 2 +-
kernel/module/main.c | 2 +-
kernel/pid_namespace.c | 2 +-
kernel/rcu/tasks.h | 12 ++++++------
kernel/reboot.c | 6 +++---
kernel/seccomp.c | 8 ++++----
kernel/signal.c | 4 ++--
kernel/time/posix-timers.c | 2 +-
kernel/umh.c | 2 +-
kernel/vhost_task.c | 2 +-
lib/kunit/try-catch.c | 2 +-
mm/hugetlb.c | 2 +-
security/tomoyo/gc.c | 2 +-
tools/objtool/noreturns.h | 3 +--
tools/testing/selftests/bpf/prog_tests/tracing_failure.c | 2 +-
tools/testing/selftests/bpf/progs/tracing_failure.c | 2 +-
.../selftests/ftrace/test.d/dynevent/fprobe_syntax_errors.tc | 2 +-
.../selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc | 2 +-
.../selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc | 2 +-
37 files changed, 58 insertions(+), 60 deletions(-)
---
base-commit: 1f318b96cc84d7c2ab792fcc0bfd42a7ca890681
change-id: 20260306-work-kernel-exit-2e8fd9e2c2a1
next reply other threads:[~2026-03-10 14:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-10 14:56 Christian Brauner [this message]
2026-03-10 14:56 ` [PATCH v2 1/2] kthread: remove kthread_exit() Christian Brauner
2026-03-10 22:26 ` Frederic Weisbecker
2026-03-10 14:56 ` [PATCH v2 2/2] tree-wide: rename do_exit() to task_exit() Christian Brauner
2026-03-10 22:30 ` Frederic Weisbecker
2026-03-11 0:02 ` Steven Rostedt
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