From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (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 84B1B1581E7 for ; Thu, 16 May 2024 21:32:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715895142; cv=none; b=lbNwtZDUQCloy8T3BoM0K9SCXtoQEtlzunvlqbG0jLWRpNHpsZtdjW0YgQgaQWbD7p5KFMq+WJjeb1oh9lTbNEIuH0PWJSCw0K/NJ/4RBCToqQ1p73Wifis2x2Vjgb9DAonI8rOfyMFtPaVX/eODCOwnosnDv7loiuypDWQFWKw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715895142; c=relaxed/simple; bh=/xyIdp8dCLsFSJJnxRgtGtX4lJOd57hYyh/8O1WvWoM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=pimhVWb9Pf8/l+F/SjR/0oKA3pk1+d2Xau3FWusuTt0asnbCTx7JJ/a6KpiGCPwBniij6t0lpUkWp/OyyV7DUkt4VBR0GSXd40IXPfLq6dCgH3Dkd+5mqpayM79C4pXCO0eV7faY7OwQuj3reylARmMrgRwWO95VFElx76qP3hg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=E4EZ8KNW; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="E4EZ8KNW" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1715895138; bh=/xyIdp8dCLsFSJJnxRgtGtX4lJOd57hYyh/8O1WvWoM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=E4EZ8KNWafInLO3ZUI2dyXVY50xkdfKAg16BAcfiPBjcT9g7rSKeDgDR2xzJvxnZy 1HzjljWsodSiDe7x0L2CP03y3h4k3F8Zxe0oYkAq29W7h3dlnNxIo8Qz+aU8fjpTlY RJvk+T5hJJlNLPbgXOtoZkjJrAYfH5Wybv2cR3BoXyt44vQycW19gN0OdqXzhfiL6s WfjAkKal+52eRqm94AV724076F3sioVkKm3Vkmj5ZNWaY+ZTxX8x8IRpB2Xs0ngShR sqlcgNlV9rmzXBGFHaT3xwHPT6ILUi2uSHK/kCwL5mBMmht4z2NCCVdU4mPY4BKXeu lkVOwXTcXo6yg== Received: from notapiano (zone.collabora.co.uk [167.235.23.81]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: nfraprado) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 1DA5537821AA; Thu, 16 May 2024 21:32:17 +0000 (UTC) Date: Thu, 16 May 2024 17:32:16 -0400 From: =?utf-8?B?TsOtY29sYXMgRi4gUi4gQS4=?= Prado To: regressions@lists.linux.dev Cc: linux-kernel@vger.kernel.org, kernel@collabora.com Subject: Re: [REGRESSION] boot regression on linux-next on sc7180 platforms - null pointer dereference on iommu_dma_sync_sg_for_device Message-ID: <60f2ec9b-eae2-4ecf-b5fd-3b39c2ebd6cd@notapiano> References: <6d0da90d-f405-4b5d-b7f9-238cc9405ebe@notapiano> 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=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Wed, May 15, 2024 at 05:05:56PM -0400, Nícolas F. R. A. Prado wrote: > On Tue, May 14, 2024 at 12:41:29PM -0400, Nícolas F. R. A. Prado wrote: [..] > Tracked down the issue to commit 8cc3bad9d9d6 ("spi: Remove unneded check for > orig_nents"). > > #regzbot introduced: 8cc3bad9d9d6 [..] #regzbot monitor: https://lore.kernel.org/all/d8930bce-6db6-45f4-8f09-8a00fa48e607@notapiano