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 A97F51D5AC6 for ; Thu, 5 Dec 2024 09:40:04 +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=1733391606; cv=none; b=gXstGMWtJ8Zy1l3Ek9A4Jt0Z8hGZJ/IkHrDei156kZCs8cyN9dk9C1K2i9lfd+m4Rckiyugidy1YYNScywdkGE65bPd0vyn2+GDeWSSdBs3WRk5f3E/OnxRmX5PSVjfjgZA4DapyMu50p4eIEfqB1CbZYMVdVQd+OZYAkMwpyN0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733391606; c=relaxed/simple; bh=AEetenBIqjRA2xqBCfxJejWYCiE0GL1mtdT+KSfkhU4=; h=From:In-Reply-To:References:To:Cc:Subject:MIME-Version: Content-Type:Date:Message-ID; b=bM9MFMuaPHdHeZP4t+I7QsBKKUbRBAXpU5drLUD9vEWqeBhGZVykbhEExx9klUAM/AxrKHIpvG3tlxj0e6JHkm5ae0Iar301pBVq+9qJvnhymsnuH/AywDDFN9wbWVLby0F5GKBIcsR60Rr/Y/abeRFloKE5+nJClY/+qykqLJc= 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=A/oyVGQN; arc=none smtp.client-ip=170.10.133.124 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="A/oyVGQN" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1733391603; 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=AEetenBIqjRA2xqBCfxJejWYCiE0GL1mtdT+KSfkhU4=; b=A/oyVGQNDPAOpKcqbYQHoCWDLHhTabeEFOTw7HRdymuUFzM+YVrg5jfQt9T/dBWgAh2w90 jzkugspGMR7pEtUohq8lgV9bt31DZDi5pywGHyMuuvWE/YB8bqFZGVmE2YktGvxcGmCpoY sltDIhiUI1qd2ke9qco0mlet0S80rXw= Received: from mx-prod-mc-04.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-170-gMhMgaGROFa5PPjvrVRLgQ-1; Thu, 05 Dec 2024 04:40:00 -0500 X-MC-Unique: gMhMgaGROFa5PPjvrVRLgQ-1 X-Mimecast-MFC-AGG-ID: gMhMgaGROFa5PPjvrVRLgQ Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (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-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id DDB1A1955DD8; Thu, 5 Dec 2024 09:39:58 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.42.28.48]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id B1A2F1956095; Thu, 5 Dec 2024 09:39:46 +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: <1225307.1733323625@warthog.procyon.org.uk> <1695261.1733381740@warthog.procyon.org.uk> To: Ming Lei Cc: dhowells@redhat.com, Jens Axboe , linux-block@vger.kernel.org, syzbot+404b4b745080b6210c6c@syzkaller.appspotmail.com Subject: Re: Possible locking bug in the block layer [was syzbot: Re: [syzbot] [netfs?] kernel BUG in iov_iter_revert (2)] Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <1757449.1733391576.1@warthog.procyon.org.uk> Date: Thu, 05 Dec 2024 09:39:37 +0000 Message-ID: <1757450.1733391577@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Ming Lei wrote: > Sure, please forward because I may not do it without syzbot report context. I've forwarded it with the patch for my bug on top. David