From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794409678; b=3KW78g3ACNzqhYwAJrHM7j0Qsvv14VQqSTv+bIHHgPt6brpW8+zGctK7o01Y8aFuXMj2 Xrxdj+mwIc7bPnUV4TSOqFCIuWFYHcfWQlvgOqj/sV1SFtl0XhKlPYSkNlh3h3l8sOUL9 BznPIXIgFHjcQ68PY3VQeVPQviFPFnWA2cWqlfaJZ5ibQm1ayAMi3N3yo0NY/uK2p7ckG g6PIHF93O6HQ2308VebsLIiDV9S2pqQykSoO0Bu8278kxWx+OjUoD8LDEiXip2yDrAOvg bViRRC2u0RIujNDI1TdJ7jxOYQlXw1iOTes74f+EV10ZQE09TTjkp9lrLB7aNuzBDDg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794409678; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=jTg4NwvYWDU6YdIr8WyNrufRY3Ef/ygRz2H0XAtJx2Q=; b=h0TiqA9fHQCGhUbqH3+aZW05iWTCSQ5tQ5+wYhSw4/oPTieZsZlkCeIp3RehRTEDOZf/ kqi3DHOTujLA+zLqlhAKaz1Ik0ALmarEjJnST4gmMa7UjyTrBWXKe5VUw2bY/IDBqY+00 Q6VxnZ4x8cSUC8S/iWFXt1/l/L7iM1db82n0+2/mYgvvj07tzRFc9q9QPathThQ3bKMaD ILCSKYykNkbv2SVp5rACX/fwIxxyHov5KCBxFjqPbwijJIw//o3fKmQzcfL5VZmU1wmav ME6WPxzoUV11xvIG/K8bCQ4UrlblBal1vY6DxyQPuvx3qy6bV9u989I1zV4tCW7L1Kw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=AK32ScvS; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A0BCD606A331 for ; Wed, 11 Nov 2026 15:07:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=AK32ScvS Received: by smtp.kernel.org (Postfix) with ESMTPSA id BA9CA1F00AD6; Wed, 11 Nov 2026 15:07:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794409678; bh=jTg4NwvYWDU6YdIr8WyNrufRY3Ef/ygRz2H0XAtJx2Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=AK32ScvSFzpwHcpMcOeqT8xEhzWQ6pLvlYCML99g20x1439tsL2NuOqjkFgbs/nGm J3M/9VKjGn7mVfb5SnZXOdkKBGYRigWKFkqZ7mKHZscOqFnFvWhF2ddvJmW9ucsVnN LHmBZBOCy4VTrTkm0aYCHmuwcIvCeotPyXsmt4TdjCnfAGyFAurx5uLH3CVCkMhKn4 5dctRMPzZOIWobVwyGOGYOoSZuSTC4v7WDzuAQDxPo0tHGZLMheMekfFHNYIL/Cp+X 00kaO5jakvecK6N1U5g8POHeNZd0p0ofn7Bq265yWz5K1q8EW9MH9NDoTVMAo5rOVJ bdlcYLnN+c8Lg== From: Sasha Levin To: stable@vger.kernel.org Cc: Sean Young , Hans Verkuil , Sasha Levin Subject: [PATCH 6.6.y] media: serial_ir: Fix race condition where timer can be re-armed Date: Wed, 11 Nov 2026 10:07:56 -0500 Message-ID: <20261111150738.2590511-1-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261107052952-failed-6.6-d74ac4016ba6@kernel.org> References: <20261107052952-failed-6.6-d74ac4016ba6@kernel.org> X-Mailing-List: stable@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Sean Young [ Upstream commit d74ac4016ba64cb3b20f395511d0b18025ca0ba9 ] Ensure the timer cannot be re-armed. Fixes: 2940c7e49775 ("[media] serial_ir: generate timeout") Signed-off-by: Sean Young Cc: stable@vger.kernel.org Acked-by: Hans Verkuil [ sashal: replaced the existing del_timer_sync() call instead of timer_delete_sync() ] Signed-off-by: Sasha Levin --- drivers/media/rc/serial_ir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/rc/serial_ir.c b/drivers/media/rc/serial_ir.c index 96ae0294ac102..dac341c68b2bb 100644 --- a/drivers/media/rc/serial_ir.c +++ b/drivers/media/rc/serial_ir.c @@ -797,7 +797,7 @@ static int __init serial_ir_init_module(void) static void __exit serial_ir_exit_module(void) { - del_timer_sync(&serial_ir.timeout_timer); + timer_shutdown_sync(&serial_ir.timeout_timer); serial_ir_exit(); } -- 2.53.0