From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from extorris.mess.org (extorris.mess.org [92.243.27.206]) (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 3393156260E; Tue, 8 Sep 2026 15:54:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=92.243.27.206 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788882856; cv=none; b=kW6Y38ZWyzr5T89jnWH8ZoaJBzyJYcysiHBo1ecjBqtXqDEPTI1M52eXeOdQew+C15c38A9YxUZX9S2M+m9dOR8TIuHqBDJuzwu0JoyXTWU4U4SIPcN4fKJXY00wwA0Gml/0dAAcy5jArSPKI/eBjGD6TaOSp2Zl+a+4y1uBExs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788882856; c=relaxed/simple; bh=03q6FZQlIyLzpD7o+e9mgehH6a7CrXSppjnQrHjnWds=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=VYhhvsFC6nB/jwGq9vQO/OoUrpyYsPOIPkEdYj3nSPS1j+EKILXLBo6+tjxXCBueps5U08RTmdVYbxvwCf2NA9XZOKeikD18LsdwuyyNMLZuSrMk8wXsrOMCjZGhWwXT7r+sFTJvrcz/gmkKtWSScAap5mvstMC+M2XQhfMQQt4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mess.org; spf=pass smtp.mailfrom=mess.org; dkim=pass (2048-bit key) header.d=mess.org header.i=@mess.org header.b=qLBzoKrB; dkim=pass (2048-bit key) header.d=mess.org header.i=@mess.org header.b=KMiwVTKJ; arc=none smtp.client-ip=92.243.27.206 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mess.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mess.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mess.org header.i=@mess.org header.b="qLBzoKrB"; dkim=pass (2048-bit key) header.d=mess.org header.i=@mess.org header.b="KMiwVTKJ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=mess.org; s=2020; t=1788882846; bh=03q6FZQlIyLzpD7o+e9mgehH6a7CrXSppjnQrHjnWds=; h=From:To:Cc:Subject:Date:From; b=qLBzoKrBYbJnnDNycp5TxfOFCWGfQEX5uf2laMJuaNOPmytvNsgZYbJmUdPt7as/2 fbMem5q8Xg0znMNEgeXowvBEw9OaBtODOz1BAOcQEN+tMacbifsTzS4LPt8/6w1KPc KP9pGbElkCKO4XWLndFXmXKR02olBjzVuj7OM7vZgELkYUur2Sfl/GFuT80B03JcBv 2MsZs86p8lSzaPrsu4jTZn8JJRCPVkWkbkDufyxsd268koyWFTsHbj2dcaRh+ytH52 QwYLXy2eEi3osXdrYhzCpuczNXBYbBpgkydQvcz/qZP5/vPIn5bp/ZL+OLCiatxvbp 8UYFWhbSn+tdQ== Received: by extorris.mess.org (Postfix, from userid 1004) id 44F9541445; Tue, 08 Sep 2026 16:54:06 +0100 (BST) X-Spam-Level: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=mess.org; s=2020; t=1788882845; bh=03q6FZQlIyLzpD7o+e9mgehH6a7CrXSppjnQrHjnWds=; h=From:To:Cc:Subject:Date:From; b=KMiwVTKJnrwX/yqpusZbpe727N61NOWJcbAkNU4QpMH+fkQ+qsDuXbrvRBaiGCJ+R DBBHs2Dpp8EZt5jcVlGyjgfkN9VYCVzZ+5Ou8OUO46qq3KbiDfb/lL6wYKewPH/IqY XOY1r6WwnEnivgnEHQPv5jSQVTRXlNtvE/gFENfZ+JFFqrpGSZjENdRK3oRlYhCRdZ 9xlFPFss9CKF4DKHJ4or1VUjAoVHHA96UyBaYyraWp4lLezqjoNBNT19XKi/5cp/M5 Q4oSFLzDvOWLlzVOVfgMBdP05XwHNBd4dNOyBodXRalrHLJomtNfBUzIAUbaS0zT0s Q3c8Ham0vZzZg== Received: from maru.home (host86-150-50-53.range86-150.btcentralplus.com [86.150.50.53]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by extorris.mess.org (Postfix) with ESMTPSA id 64D234018A; Tue, 08 Sep 2026 16:54:05 +0100 (BST) From: Sean Young To: linux-media@vger.kernel.org Cc: Rik van Riel , Sean Young , bpf@vger.kernel.org Subject: [PATCH v4 00/19] media: Fix locking issues in rc core Date: Tue, 8 Sep 2026 16:51:48 +0100 Message-ID: X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Fix issues found by Sashiko and claude, and other cleanups. Changes since v3: - serial_ir: Fix race condition where timer can be re-armed This introduced a new race condition; reworked - rc: After rc_unregister_device() timers can be re-armed Sashiko suggested a simpler implementation with timer_shutdown_sync() - Add meson-ir-tx: Validate carrier and duty_cycle - Add ir_toy: Validate the maximum tx carrier Changes since v2: - Cosmetic changes in: Add missing locking for keymap - Patch 7 to 17 are new issues found Changes since v1: - Fix issue where input device was still leaked - Add: Fix race between bpf(BPG_PROG_ATTACH) and device unregister - Add: Fix inconsistent locking of keylock Sean Young (19): media: rc: Ensure registered is cleared in error path media: rc: Ensure that rc_unregister_device() does not free input device media: rc: Fix ABBA deadlock by making locks more fine grained media: rc: Add missing locking for keymap media: rc: Fix race between bpf(BPG_PROG_ATTACH) and device unregister media: rc: mce_kbd: Fix inconsistent locking of keylock media: ene_ir: Ensure teardown is done in the correct order media: rc: Use binary search for adding or updating a scancode media: rc: imon: Bind both interfaces via usb_driver_claim_interface() media: ir_toy: Remove unused struct field media: nuvoton-cir: Remove unused struct field media: ite-cir: Removed unused struct field media: fintek-cir: Remove unused fields media: mceusb: Remove unused field media: serial_ir: Fix race condition where timer can be re-armed media: rc: After rc_unregister_device() timers can be re-armed media: rc: Validate carrier range in LIRC_SET_REC_CARRIER ioctl media: ir_toy: Validate the maximum tx carrier media: meson-ir-tx: Validate carrier and duty_cycle drivers/media/rc/ene_ir.c | 4 +- drivers/media/rc/fintek-cir.c | 13 -- drivers/media/rc/fintek-cir.h | 22 ---- drivers/media/rc/imon.c | 166 +++++++++++-------------- drivers/media/rc/ir-mce_kbd-decoder.c | 5 +- drivers/media/rc/ir_toy.c | 4 +- drivers/media/rc/ite-cir.c | 1 - drivers/media/rc/ite-cir.h | 1 - drivers/media/rc/lirc_dev.c | 2 + drivers/media/rc/mceusb.c | 1 - drivers/media/rc/meson-ir-tx.c | 54 ++++++-- drivers/media/rc/nuvoton-cir.h | 3 - drivers/media/rc/rc-ir-raw.c | 39 +++--- drivers/media/rc/rc-loopback.c | 5 - drivers/media/rc/rc-main.c | 169 ++++++++++++++++---------- drivers/media/rc/serial_ir.c | 2 +- include/media/rc-map.h | 2 - 17 files changed, 251 insertions(+), 242 deletions(-) -- 2.55.0