From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 50490346FCF; Thu, 12 Mar 2026 20:20:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773346843; cv=none; b=k9zmitLFJ1VJmeuclY4dj55+LoCd/IcelYSmrNY8YFOrWEuqn2RT3SRmiTlEji93JfuQVcboEqtr+Od23O5O2hNFWVzZp1On3KVF3XoM1Y6BiPAOAWNF+Ubw7AVPovqOEb9fBMsyX5GhDm0z9WT+ggKv1sgabKEph9jaLVQARAM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773346843; c=relaxed/simple; bh=3YCd+uBIXvKFK2X77R0AdCmIyf7SXDpmHdfsXco0NRE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ro3i9/NbjlS+wcwOurZfG+/LtjH/fsCSHYxLb3rxVl5lxdhdq4RGfwu4oEErmHIDwnYecGjhW81747bkTLIBlyKXpfFjkWW1APHszIM0dLdRgrzaMZ4EkvGwJj66DVxU+zZbLmBCuZ9qUU/LLE2AblAe5hW1iUAZ3XXfrXKnvV8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=fhl+EM++; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="fhl+EM++" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B9741C2BC86; Thu, 12 Mar 2026 20:20:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1773346843; bh=3YCd+uBIXvKFK2X77R0AdCmIyf7SXDpmHdfsXco0NRE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fhl+EM++ug3ah4BFUqDSpjbF+LwrBZW6Hhag/WXBGmjzNck8uaC6CDUxp74ocWuOV 1nCcA6GWK/nNFxjj74qwF35MoJVDkv/Rk8ew2i/SGdTt4Ig2a/MRU2NOQjNCI38Z2w xMOKl74bY6qNGmFQTPQS9qHs/5JOHsLiCUYH0cqo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jiri Kosina , Benjamin Tissoires , Bastien Nocera , linux-input@vger.kernel.org, stable Subject: [PATCH 6.12 139/265] HID: Add HID_CLAIMED_INPUT guards in raw_event callbacks missing them Date: Thu, 12 Mar 2026 21:08:46 +0100 Message-ID: <20260312201023.277430873@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260312201018.128816016@linuxfoundation.org> References: <20260312201018.128816016@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Greg Kroah-Hartman commit ecfa6f34492c493a9a1dc2900f3edeb01c79946b upstream. In commit 2ff5baa9b527 ("HID: appleir: Fix potential NULL dereference at raw event handle"), we handle the fact that raw event callbacks can happen even for a HID device that has not been "claimed" causing a crash if a broken device were attempted to be connected to the system. Fix up the remaining in-tree HID drivers that forgot to add this same check to resolve the same issue. Cc: Jiri Kosina Cc: Benjamin Tissoires Cc: Bastien Nocera Cc: linux-input@vger.kernel.org Cc: stable Assisted-by: gkh_clanker_2000 Signed-off-by: Greg Kroah-Hartman Signed-off-by: Benjamin Tissoires Signed-off-by: Greg Kroah-Hartman --- drivers/hid/hid-cmedia.c | 2 +- drivers/hid/hid-creative-sb0540.c | 2 +- drivers/hid/hid-zydacron.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) --- a/drivers/hid/hid-cmedia.c +++ b/drivers/hid/hid-cmedia.c @@ -99,7 +99,7 @@ static int cmhid_raw_event(struct hid_de { struct cmhid *cm = hid_get_drvdata(hid); - if (len != CM6533_JD_RAWEV_LEN) + if (len != CM6533_JD_RAWEV_LEN || !(hid->claimed & HID_CLAIMED_INPUT)) goto out; if (memcmp(data+CM6533_JD_SFX_OFFSET, ji_sfx, sizeof(ji_sfx))) goto out; --- a/drivers/hid/hid-creative-sb0540.c +++ b/drivers/hid/hid-creative-sb0540.c @@ -153,7 +153,7 @@ static int creative_sb0540_raw_event(str u64 code, main_code; int key; - if (len != 6) + if (len != 6 || !(hid->claimed & HID_CLAIMED_INPUT)) return 0; /* From daemons/hw_hiddev.c sb0540_rec() in lirc */ --- a/drivers/hid/hid-zydacron.c +++ b/drivers/hid/hid-zydacron.c @@ -114,7 +114,7 @@ static int zc_raw_event(struct hid_devic unsigned key; unsigned short index; - if (report->id == data[0]) { + if (report->id == data[0] && (hdev->claimed & HID_CLAIMED_INPUT)) { /* break keys */ for (index = 0; index < 4; index++) {