From nobody Fri Apr 3 02:56:58 2026 Received: from mail-yw1-f177.google.com (mail-yw1-f177.google.com [209.85.128.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3089924E4A8 for ; Sat, 7 Mar 2026 03:04:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.177 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772852658; cv=none; b=OMp77gcpL0E+2g+48qKg+Kmlk+JWydMYNNP6sTrgd2eG5IhWScB3obskNmiKRjWC3XRo8s5eh565VrmoBduewbYHmZ2Vomk9GusCFRT5MXD6L8oOfiiP3cOECzLtIW30VPT4CN8dEeppCdwRVjyljsCA6a2TSALzlwKqbWZ1Nb0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772852658; c=relaxed/simple; bh=soc1nQwzOytP0zUgbCWxwApYixb4ALgKCcM8lxOFp2s=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=bxXlr5vVPw9sC6Ez8iw/bXtCa4MF4o0EkDrSCChx0aKZhkzMgm/ZVzrNzI/1bWO0x3lAeov3SPGGK7wWDR1Ag9e+Onfo1guWesmstU3Zj45ZCkS3e2kRIiTeMzT+WJfCauh9HNRqt27wKGDPWY05Q/5qPoZwHozEY+0ZGQT4Vyc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=H77Upqk2; arc=none smtp.client-ip=209.85.128.177 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="H77Upqk2" Received: by mail-yw1-f177.google.com with SMTP id 00721157ae682-79801df3e42so129037727b3.0 for ; Fri, 06 Mar 2026 19:04:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1772852656; x=1773457456; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=TW4paroosegqJh0pxZU5dIW8jzge/McujMzL3aZu1UI=; b=H77Upqk2cOqNk2kkF7tDWt+96za+yRB0u44K9oEBoMiH5tl/OHFHKCROrkGcJiyd+k rNAd9IM+xtmLv4GFqNtBndgqbKIYelm4oGQBuFBAEzxGRRG8D8rQsFW1NnTbP/ZpGYYj UQyzkrSVbl7Kk1XjjbVBUxsErnvePATrsb+j4Ii27bOlRTfG4pat89VitspOgpkjpapj dYuM8h8jhimxjgzlGqsnOCeeKCHOGD03+QWB6z0dqxbKyts5hfltgfCfvubZTjnLbZrQ xgeJcUT7YyedKiV1jZ9vpRTZixs+df1qh4od2k8BiGlRH2BNl83XUvoeZrnJEo1I9nE1 J1Ag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772852656; x=1773457456; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=TW4paroosegqJh0pxZU5dIW8jzge/McujMzL3aZu1UI=; b=RC5MhvTw4fEys30WiQ9GNysMsU36U9e2J8+8MumAZBk9y4qRnjwhLWz0Wmi5wH44U1 +ilcxokDwJOKiQlxgW+VtF7/qhDssUcN9toKuD9unKtRJJDvIrBzncy9tHSg/FcbkLpC ZwhaUYSYnoB97fxPBcjXtRPMNfgjgFpKA7NBOM+ae7LF0Ju3+rr1CRUYaSCbyrUFx68M Eh1b5G2yY9iz1BBQQ43og59R4C3BfQ8Vz0rBiC4XBY7kSNCMvk7GMZ8Ai/Vau1l+sBdQ qzFzwzBmdteWehOPew5fTn/wQdEO4dd9RDfAuGWV/GG419xR8E1YZn/fXDzLfr1ZYmMt oFuA== X-Forwarded-Encrypted: i=1; AJvYcCUviY1a8vDf8LYqiBFOvXvCw+iXJuudUQChgvNXjAoweXWTPXa+2QkYQays53BEwdzhjCLUk+6CK5p+TLk=@vger.kernel.org X-Gm-Message-State: AOJu0YwauCkCk958VxYSqJuNpmzakUWxU1z1Lz4xmw0mqCkgc6bOO16I LnaRifP+oNNPs8ZepFjWJeihri2WC8i12xb5RqdsORROihlbQTXC522R X-Gm-Gg: ATEYQzwDR4ONK9ivGmUA5CBK9gFS+xcbDv7KcjrVL2puLh+W+KcClJHEfLwJ4/75SeA cPt8vyRpkGkHmB6RgfkFeV93mFLHT9thectGxRlcDvaEGFzubEuk1Wwyi840oFAHt6WhzqUR9Uh s7j7+Z0l9xOMVprF03UJvpcU7izkEFWbLtFxzv2FHVFxV4zGwJO7T6iJFKxPXnxOLVu7Cip1T4T ZfVoVi426Kee2S09SBmUmZG6KPFqj+SNIgFOEn8EsWMizeXcEZwa2d4estzf4d3HUCw0t6HUgYr TtBgpr56+CzL3fqVh3Nj+vYhxY0ZaNvbd7FqXzUDdRUYi633P3IZsWOEsdCMDaBidKSMqsgYJGt L6/U2Mst9sIcPdmbJbE8xqcEvK8QBtU+LyTpoWtg0V5DQPuUNcQiCtn+eUQJFFdQFn9FCDdtFmP iGQ8gUEWwSu9VP/9FL43g0YFB+8Kx0fyK+k2Xua3spf9LD5NiuxeSLXHRNJRRCk5H5gdJ8pwiqG pPtwpdZdT7poZWhiQroPOM8 X-Received: by 2002:a05:690c:c50f:b0:796:4486:b7d0 with SMTP id 00721157ae682-798dd6a9c02mr41536297b3.4.1772852656158; Fri, 06 Mar 2026 19:04:16 -0800 (PST) Received: from tux ([2601:7c0:c37c:4c00::5585]) by smtp.gmail.com with ESMTPSA id 00721157ae682-798dee66c5asm15100607b3.36.2026.03.06.19.04.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Mar 2026 19:04:15 -0800 (PST) From: Ethan Tidmore To: Sakari Ailus , Bingbu Cao , Mauro Carvalho Chehab , linux-media@vger.kernel.org Cc: Tianshu Qiu , Hans Verkuil , linux-kernel@vger.kernel.org, Ethan Tidmore , stable@vger.kernel.org Subject: [PATCH v2] media: intel/ipu6: fix error pointer dereference Date: Fri, 6 Mar 2026 21:03:55 -0600 Message-ID: <20260307030355.26840-1-ethantidmore06@gmail.com> X-Mailer: git-send-email 2.53.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In a error path isp->psys is confirmed to be an error pointer not NULL so this condition is true and the error pointer is dereferenced. So isp-psys should be set to NULL beforegoing to out_ipu6_bus_del_devices. Detected by Smatch: drivers/media/pci/intel/ipu6/ipu6.c:690 ipu6_pci_probe() error: 'isp->psys' dereferencing possible ERR_PTR() Fixes: 25fedc021985a ("media: intel/ipu6: add Intel IPU6 PCI device driver") Cc: stable@vger.kernel.org Signed-off-by: Ethan Tidmore --- v2: - Add stable tag. - Add check for null instead of setting isp->psys to NULL. - Add Smatch warning. drivers/media/pci/intel/ipu6/ipu6.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/pci/intel/ipu6/ipu6.c b/drivers/media/pci/intel/= ipu6/ipu6.c index 34f67f4f1bb5..d033d4618169 100644 --- a/drivers/media/pci/intel/ipu6/ipu6.c +++ b/drivers/media/pci/intel/ipu6/ipu6.c @@ -686,7 +686,7 @@ static int ipu6_pci_probe(struct pci_dev *pdev, const s= truct pci_device_id *id) out_ipu6_rpm_put: pm_runtime_put_sync(&isp->psys->auxdev.dev); out_ipu6_bus_del_devices: - if (isp->psys) { + if (!IS_ERR_OR_NULL(isp->psys)) { ipu6_cpd_free_pkg_dir(isp->psys); ipu6_buttress_unmap_fw_image(isp->psys, &isp->psys->fw_sgt); } --=20 2.53.0