From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 12398C4320A for ; Wed, 28 Jul 2021 20:57:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DD42A6101C for ; Wed, 28 Jul 2021 20:57:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231732AbhG1U5J (ORCPT ); Wed, 28 Jul 2021 16:57:09 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:38439 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231665AbhG1U5J (ORCPT ); Wed, 28 Jul 2021 16:57:09 -0400 Received: by mail-io1-f69.google.com with SMTP id z17-20020a0566022051b0290528db19d5b3so2468584iod.5 for ; Wed, 28 Jul 2021 13:57:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=k7avy/HerkLzVt2TDE6cKZ9UT96PiKh/Pc16LGwaHOo=; b=ijSqKL9xaXENql83U1SjsAc5fgiVNchjyAVkPRP+0PHObCj+5KoKRmNSNEEe+IxmAy YrgJQPi3eDYqSKmO6OlSzQ7qwHzJ/lhJW86il4ISELuqvHuBNALOJ1UfFIvRIF1A8jM7 j5cNcPlvR54kaS+AhmdqaS/l56J1PDyPQxYMBK1+fgiirVjw1aJ8ntKCJGJ3viuVd23V W2VOW2OMLE49CGc8NsSHkYBpAgYOqz7fFMISGl4Co5OtyyTrAybS3DngrAArvoUj4pEA PA/vRxML7EUDneTqKGnPnrSbPYufpg4RyS+qRSbTt81ZZWb8OO+c4NoXBVYsCrsM0qJH GlmA== X-Gm-Message-State: AOAM531yAYrUWX5JGx4A8ubFIea0wsfH/5KkRTJbI/BfXD4u7cdnXc3m qSQjbkwmel3ygiUDeCV/K3BUH373M/aqjNzsmNm0JZ6gUHyL X-Google-Smtp-Source: ABdhPJyZnAPPwgmg7uF5y/Cxw8Xv6DuGKAwZPuLqUazVOHeSKjzDmsa4PIvTWSOdsoD6wYrDR8P75M72ExNJce5udu9KdgSwzi/G MIME-Version: 1.0 X-Received: by 2002:a02:cf0e:: with SMTP id q14mr1461977jar.86.1627505827360; Wed, 28 Jul 2021 13:57:07 -0700 (PDT) Date: Wed, 28 Jul 2021 13:57:07 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b5b15305c8353a74@google.com> Subject: Re: [syzbot] possible deadlock in iter_file_splice_write (2) From: syzbot To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-unionfs@vger.kernel.org, miklos@szeredi.hu, mszeredi@redhat.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+4bdbcaa79e8ee36fe6af@syzkaller.appspotmail.com Tested on: commit: cdaddca6 ovl: fix deadlock in splice write git tree: git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git overlayfs-next kernel config: https://syzkaller.appspot.com/x/.config?x=4aa932b5eaeee9ef dashboard link: https://syzkaller.appspot.com/bug?extid=4bdbcaa79e8ee36fe6af compiler: Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.1 Note: testing is done by a robot and is best-effort only.