From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 C2D682DCBEC for ; Wed, 25 Jun 2025 11:25:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750850721; cv=none; b=UXecnUMky5k/Gu3TY44ktnoRsQQiUrKxgmaK5FQTskDmd3U5DCNdEhk1BQAVMsBrFXgBI0gz//SYk/vYqB9Webi0qyUS7RmOeOR4D6ZYLb0V/A7GbAf2V1SnLeUFvLhYwd0hhvvabRES7TubsKEi28L6KzXWif+V2lH0kpxXvnI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750850721; c=relaxed/simple; bh=dXUhEvx83Pg8POb1rpJ/LZdYQLpuyXcBJkQ9gWCPiuQ=; h=From:In-Reply-To:References:To:Cc:Subject:MIME-Version: Content-Type:Date:Message-ID; b=N/myWcfJxGM3XKD1GNzm/5k8HFo6NwBFbrnN063R9u+FGjFev+6JLZrzfNMbXNGnGJ0ZaD1N3wyXZ7XDOTlUUpVTuLQDEk/HSmZbjuEV9CUBwFuA2wuz48UX8UuuFAdbI8lWIPKoa6Yiob+BrDONZchMqggd8auflto9sTKU69g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine 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=DfV5+1Oh; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine 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="DfV5+1Oh" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1750850717; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=wp5PUtN+fH7UE8PuSRB/gVV8zzKZ9GRLtHGmoF/7AEQ=; b=DfV5+1Ohc6udeszUyR4mywcD4W/4BiZpqnjGnxJEFwL6JQLwUo1D4zmAx84Xn9f7r9T01v PU21MCU1ook3ANXKS84RBD6Nb8o3rYN9CV2BxAbFxVVxujz8jvtstvqfAT5np//0mwhDO5 iiEgmHj/LB1QJdefQnOhygjmIQshw6c= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-594-p_XjvqhMNgWGQawUtHY7uw-1; Wed, 25 Jun 2025 07:25:14 -0400 X-MC-Unique: p_XjvqhMNgWGQawUtHY7uw-1 X-Mimecast-MFC-AGG-ID: p_XjvqhMNgWGQawUtHY7uw_1750850713 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (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-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id EF08918011FB; Wed, 25 Jun 2025 11:25:12 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.42.28.81]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 4FD2919560A3; Wed, 25 Jun 2025 11:25:10 +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: <6b69eef7-781d-42d3-9ce0-973ff9152dd5@samba.org> References: <6b69eef7-781d-42d3-9ce0-973ff9152dd5@samba.org> <1107690.1750683895@warthog.procyon.org.uk> <1156127.1750774971@warthog.procyon.org.uk> To: Stefan Metzmacher Cc: dhowells@redhat.com, "linux-cifs@vger.kernel.org" , netfs@lists.linux.dev, linux-fsdevel , Steve French Subject: Re: [PATCH] cifs: Collapse smbd_recv_*() into smbd_recv() and just use copy_to_iter() 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=utf-8 Content-Transfer-Encoding: quoted-printable Date: Wed, 25 Jun 2025 12:25:09 +0100 Message-ID: <1341840.1750850709@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Stefan Metzmacher wrote: > > [=C2=A0 922.218230] [=C2=A0=C2=A0 T6642] kernel BUG at mm/usercopy.c:10= 2! Ah, I don't have that config option enabled. With it, I can reproduce that. David