From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 11545F4F1 for ; Thu, 23 Jan 2025 16:35:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737650112; cv=none; b=F+5c8JsMY+n0G/l+4qmb8trnf0WyqOcOhB0A+aLPoYqL1ApgBFnMtTjaNdnOGi8ibLKEGoBW7lHVftW/2H+uyynDHMVAPi4M4IZBTjLABDuIhQSXHK9qyTuSiZ4QFMzfm4xxTQyNX6Ad5oCvbjLMAJwozmFch3RyaSQcSKkL1cc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737650112; c=relaxed/simple; bh=4s8arKEzKFcw11WEeaT51lV0rCLvy/X9TFO9s/w3jr4=; h=From:In-Reply-To:References:To:Cc:Subject:MIME-Version: Content-Type:Date:Message-ID; b=EGCSiu5RNUZ6iVazeDxnlMPduaSmmLWjtWb6wru7mc4OtuAq5t6jpON+5pAMBf/IETn6GIJcQbAcQ7rfDjQAHW/yHPgqvmL7YAEw9MTWGYPiazyBMhWip4wN7tgsE+Y5IlMa+2Yec1KEfrptus5hjZG6PohFmgqCW5Ce51Z+Qjk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=XPzrmAJd; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="XPzrmAJd" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1737650110; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Q73QoaoamFs4RRlWa4WN0Q+HIVuWllUe8vbGo74uYpI=; b=XPzrmAJdo4iRTDi5NEJWtABeV7zebVUWIbGgp6m72POLZT90R+MvqAHyKhdQq3wN+Ffqqf VtismKewhC5AR9W/HmElwjhqoXUbxBvYyG8OGoQZozv8z1qzF+RSJplJYCc1ePaXgzLxEj xGaae86SVbAWm39e9aEKItUYUxZy96k= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-339-yr9ZROtBMZGc6TMUEL0IyQ-1; Thu, 23 Jan 2025 11:35:05 -0500 X-MC-Unique: yr9ZROtBMZGc6TMUEL0IyQ-1 X-Mimecast-MFC-AGG-ID: yr9ZROtBMZGc6TMUEL0IyQ Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 2A65819560A2; Thu, 23 Jan 2025 16:35:02 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.42.28.5]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id D573B19560A7; Thu, 23 Jan 2025 16:35:00 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: <505338.1733181074@warthog.procyon.org.uk> <526707.1733224486@warthog.procyon.org.uk> To: Shyam Prasad N Cc: dhowells@redhat.com, ronnie sahlberg , Steve French , CIFS Subject: Re: null-ptr deref found in netfs code Precedence: bulk X-Mailing-List: linux-cifs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2194784.1737650099.1@warthog.procyon.org.uk> Date: Thu, 23 Jan 2025 16:34:59 +0000 Message-ID: <2194785.1737650099@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Shyam Prasad N wrote: > I tried this again with 6.13-rc1 and the null-ptr deref seems to be > slightly different (same function). Note that v6.13-rc1 doesn't include my patch. You need to be on v6.13-rc7 for that. There are a number of other patches that went in too that might affect what you're seeing. David