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 2BA441ADC93 for ; Sun, 30 Mar 2025 10:21:50 +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=1743330112; cv=none; b=rEL/C8M+tEKL9hrIUl2UrAiPMOryJmpdpku+maqIr8p6pV63X4EjSLZ1shP9qjmSFMKT44lSwCDhaTPVJymmYM3O/0zHvWfyW348ZBBXDPpQscjtf+GYji7gGHIufpnv0xwLApoE3bX7LlTZYHgJFHgsWz+G0DInVcnnJdRlJcM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743330112; c=relaxed/simple; bh=UVBBuui5NICDkR3OU6vriDXZkhA1yImgRzPJ2LwgD28=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=PSmiUyn16ib6x4vXRRuL9BHf4CbmHx7GNjzw44cuTQR+3VDd0NE+pz9eX8JVxlwbvw0suayQx6DY+GyK6gS7RXrtr420En7yXTYe6JtEao1cGiQtvhszMKWnMdDw/oXXkXPvc6b5cJcPvq2v7Dmq3sRcjAnptHc/YAcN3bLhi90= 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=GLfiT1dL; arc=none smtp.client-ip=170.10.129.124 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="GLfiT1dL" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1743330110; 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=UVBBuui5NICDkR3OU6vriDXZkhA1yImgRzPJ2LwgD28=; b=GLfiT1dLiKe/jYbubmUywmmFecrzpYM3atMWBUYyf7vlYLeTX2ndWOoSLEY7QdtbY5fp9/ TDVPEzGcShZv8Oxsnqq7mxfDq+XD0ET+y4ZNgNJG+SQ2PJduzuK+Sovfc+Rs8Tx5tgibCA 6fR+FeoOx8ICPjNc4NPWIfD0sB7kLA0= Received: from mx-prod-mc-08.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-647-KPmozHXwMwClNqb5a6PUfg-1; Sun, 30 Mar 2025 06:21:46 -0400 X-MC-Unique: KPmozHXwMwClNqb5a6PUfg-1 X-Mimecast-MFC-AGG-ID: KPmozHXwMwClNqb5a6PUfg_1743330104 Received: from mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.111]) (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-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 046591800EC5; Sun, 30 Mar 2025 10:21:43 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.44.33.25]) by mx-prod-int-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with SMTP id 6EE371801752; Sun, 30 Mar 2025 10:21:35 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Sun, 30 Mar 2025 12:21:09 +0200 (CEST) Date: Sun, 30 Mar 2025 12:21:01 +0200 From: Oleg Nesterov To: asmadeus@codewreck.org Cc: syzbot , brauner@kernel.org, dhowells@redhat.com, ericvh@kernel.org, jack@suse.cz, jlayton@kernel.org, kprateek.nayak@amd.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux_oss@crudebyte.com, lucho@ionkov.net, mjguzik@gmail.com, netfs@lists.linux.dev, swapnil.sapkal@amd.com, syzkaller-bugs@googlegroups.com, v9fs@lists.linux.dev, viro@zeniv.linux.org.uk Subject: Re: [syzbot] [netfs?] INFO: task hung in netfs_unbuffered_write_iter Message-ID: <20250330102100.GB9144@redhat.com> References: <20250328144928.GC29527@redhat.com> <67e6be9a.050a0220.2f068f.007f.GAE@google.com> <20250328170011.GD29527@redhat.com> <20250329142138.GA9144@redhat.com> 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=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.111 On 03/30, asmadeus@codewreck.org wrote: > > If David's patch also happens to fix it I guess we can also just wait > for that? Sure, whatever you prefer. Thanks! Oleg.