From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 E53A117C1 for ; Fri, 13 Oct 2023 03:44:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from mail-oi1-f200.google.com (mail-oi1-f200.google.com [209.85.167.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8DA83C0 for ; Thu, 12 Oct 2023 20:44:28 -0700 (PDT) Received: by mail-oi1-f200.google.com with SMTP id 5614622812f47-3b2b1aa7e35so135231b6e.0 for ; Thu, 12 Oct 2023 20:44:28 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697168668; x=1697773468; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=mt5lwhC39izgTZ2VYtKVLxhKrOpgc+bFz9LIFDekYx8=; b=flBMYfn0nTieyUP8gG1psbBuCmTeBsu+inp+70R5moFi6eTRFnjulkGAwBGNCTcAIy OH7AHqWTukIiZk+WA4bKkhSupUpvOX2tbMuXQp3trh83rXSzIXSSqchC0Ath+0mHNVDt OcciHwnzKxi7hHjsTd90lJkNSyC02qLyLj4VXFBrSr5m9Ccd8Mkw15gEeFy2afsE/x0o a9GRRbNqnFGUGtO6o9Yy5sZ2H7ojpWOElWA7xlej6IdDFAFzk5OW3Iw0XdDSALdfnLGz uvbmokwoIByRYPlIWTyyqzZv+q5Xy+Ioz9gh6ZfiXsdpWcVKdnfkKZU6yyjFrm1bEurP PwaA== X-Gm-Message-State: AOJu0YyswrAcABKCP/AAyne4tgXV9Ht13MhiNRJHE0koI6HlPXYxm9Ul gk8OLnzcGROznTXTlxi4AwgwDWRGAkFxsFTXYoHRd4LYvmIT X-Google-Smtp-Source: AGHT+IELbRThAdn5Z7PxEQ2q784CB31g7j9A0PV98zUl+RW8YJASygLBqKQpFkzypV3y11u9UGbDuQ3MD7vzMK6PCLZl/FkwCOeL Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:152a:b0:3ad:fd08:30a3 with SMTP id u42-20020a056808152a00b003adfd0830a3mr13193875oiw.11.1697168667943; Thu, 12 Oct 2023 20:44:27 -0700 (PDT) Date: Thu, 12 Oct 2023 20:44:27 -0700 In-Reply-To: <000000000000648bb80600bccb40@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000093a958060790df91@google.com> Subject: Re: [syzbot] [kernel?] INFO: rcu detected stall in wait4 (4) From: syzbot To: amir73il@gmail.com, brauner@kernel.org, linux-kernel@vger.kernel.org, linux-unionfs@vger.kernel.org, miklos@szeredi.hu, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=0.9 required=5.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H2, SORTED_RECIPS,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net syzbot suspects this issue was fixed by commit: commit 8542f1712074f070ae90b64e6082d10d8e912e32 Author: Amir Goldstein Date: Mon Oct 2 10:04:45 2023 +0000 ovl: fix file reference leak when submitting aio bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=131df329680000 start commit: 9d23aac8a85f Merge branch 'net-sched-fixes-for-sch_qfq' git tree: net kernel config: https://syzkaller.appspot.com/x/.config?x=2a211c03cef60366 dashboard link: https://syzkaller.appspot.com/bug?extid=8ee0140c3f5eab8a8d4f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1014d574a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=173e5deca80000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: ovl: fix file reference leak when submitting aio For information about bisection process see: https://goo.gl/tpsmEJ#bisection