From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3B66A3E5585 for ; Sun, 20 Sep 2026 09:53:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789897998; cv=none; b=BZ+aKLuB+HYG34No2y3HGsaFJLBjBH+506R3DNg3hdKZk3rTw5O6cbIM+s8mYTT0/4Z4gLETHIRbel30hfnLGXhde/hmv/7eOv9mUOupIk4zkZP2RTR71HmuGKTFezzbP5TFKyPjiXh+9kKqwey7H6DcwCIUx6FYMfCC+ZKCmiU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789897998; c=relaxed/simple; bh=9ygKFcOlojdZWzoU1qKqGTa4F7yC6+fr1K6R1n1RW8Q=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=qfLfabjz+nOYZDfbItdBwTiDHH3zw/YxCMggLxtlNpJ5WiPUTt9gNKzlSqZXCxl3abBBWhxOnKtGViq2Q7zgPJMD9YwxfjiSgf0Lx1W2rSnHmivz1isLUbK8PWnyaR4FGkgFu1mJ7KeXS0PT1/rKa4Q9/Os5Hg6Tig562nvFrnI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=M4C4GUdD; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="M4C4GUdD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2C7F11F000FF; Sun, 20 Sep 2026 09:53:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789897997; bh=XiqOondV+5ya5odf51UuFZiz4HgSI65VSbDpvsQXId0=; h=Date:From:To:Cc:Subject; b=M4C4GUdDCJTAGv78m/rM0wwd2kTAs5XdcRtDq1E2CgXM3WPt+LyUYFR81gJ36tNDm RKbJhzoDr7zGRfWhydzcjR+Zi53V8/IcHDmhc85cMD7Wt7u67YqYhP45VBNQaTcSdA Q9szKOw7930Che3ORrpvjHK6pZQ3N0chffpGqVnuzWYKpYFIL2PjXQgQwtPIpzPjM4 JcV3xbgsE2/f+tHeO2kmYu0X6PMUETBI831uK1VBI4B+jdRfhVoWWGQfJY95ooORwG cnp9zXrTBjVp8/StggRkCgE+FTCKEWuk6IL/58gbw2RDp2XrHca8XqrIAY8AfqOjkK MX7Kq8FKI1j5g== Date: Sun, 20 Sep 2026 11:53:12 +0200 From: Ingo Molnar To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, Thomas Gleixner , Daniel Lezcano , Peter Zijlstra , Anna-Maria Behnsen , Frederic Weisbecker , Oleg Nesterov Subject: [GIT PULL] timer subsystem fixes Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Linus, Please pull the latest timers/urgent Git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers-urgent-2026-09-20 for you to fetch changes up to c21eaa72f02fc6e85621cbe09d303d8fb8bd39cd: Timer race fixes: - Fix timer signal <-> exec() race, to prevent UAF (Thomas Gleixner) - Clean up POSIX CPU timers right after de_thread(), to prevent UAF (Hyunwoo Kim) - Fix POSIX CPU timers race between expiry and timer_settime(), to prevent UAF (Thomas Gleixner) Thanks, Ingo ------------------> Hyunwoo Kim (1): exec: Cleanup POSIX timers right after de_thread() Thomas Gleixner (2): signal: Prevent exec() race posix-cpu-timers: Prevent freeing a timer which is queued on the expiry list fs/exec.c | 29 ++++++++--- kernel/exit.c | 11 ++-- kernel/signal.c | 115 ++++++++++++++++++++++++++++++----------- kernel/time/posix-cpu-timers.c | 40 +++++++------- 4 files changed, 134 insertions(+), 61 deletions(-)