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[209.132.180.67]) by mx.google.com with ESMTP id y4si1584591plb.385.2017.10.31.06.25.23; Tue, 31 Oct 2017 06:25:36 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752908AbdJaNYo (ORCPT + 99 others); Tue, 31 Oct 2017 09:24:44 -0400 Received: from outprodmail01.cc.columbia.edu ([128.59.72.39]:54547 "EHLO outprodmail01.cc.columbia.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751872AbdJaNYm (ORCPT ); Tue, 31 Oct 2017 09:24:42 -0400 Received: from hazelnut (hazelnut.cc.columbia.edu [128.59.213.250]) by outprodmail01.cc.columbia.edu (8.14.4/8.14.4) with ESMTP id v9VDNSOf011847 for ; Tue, 31 Oct 2017 09:24:41 -0400 Received: from hazelnut (localhost.localdomain [127.0.0.1]) by hazelnut (Postfix) with ESMTP id CE5FE6D for ; Tue, 31 Oct 2017 09:24:41 -0400 (EDT) Received: from sendprodmail04.cc.columbia.edu (sendprodmail04.cc.columbia.edu [128.59.72.16]) by hazelnut (Postfix) with ESMTP id C38536D for ; Tue, 31 Oct 2017 09:24:41 -0400 (EDT) Received: from mail-wm0-f71.google.com (mail-wm0-f71.google.com [74.125.82.71]) by sendprodmail04.cc.columbia.edu (8.14.4/8.14.4) with ESMTP id v9VDOfnS011502 (version=TLSv1/SSLv3 cipher=AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 31 Oct 2017 09:24:41 -0400 Received: by mail-wm0-f71.google.com with SMTP id e75so7621365wmi.22 for ; Tue, 31 Oct 2017 06:24:41 -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:from:date:message-id:subject:to; bh=6vlHetN0iTJgFk1lR5sFT7pNOns8Rr9TRCIqxYrLK0E=; b=BWHUpzF6Qdy81UPRR9oclUqlp1eaQtzl9Gg5xxDUWSPZEIHMPO7b87ugnTJ/hYf5TQ 89CAQAnijkAFdqvLN7y136ogJ7QrpZOEKXBAPvZ2v8b1nlOi0dPN7bzPf3Jmk4fXRZKK xsbx8KSpstA0fV5Yd7u7nRN9njMyLKJhL6Rh8kslRk7fgI3VNVtkJGuZQwIIwb1Iaq2b P+VZ43k5sH6nR30hfdlPs8sZkmh5sYPzitbrfIhY8XOTw13Pviw3Omd8ZMMfPixr/laO g+/rdCz5RUgp0C+nOJZ1fyiOzm3fVihFaVKtHJg86YEYcwNgyu97IrT9akuwvp6xrn+G XSiA== X-Gm-Message-State: AMCzsaWFOldGk+HOzsUH5fIwLMheVeK7RtLckwYqpITpbujFcyaKck3S k51GvKssqY+tMy9agQcylYCIBBXY8xlq7w7C5rgcUg+duhrItDhtt3ppvl+KIeogFWgUwAlbHWa WqoGUCERRVvIUrCSK7xm6TpVMPr3pE/G66gzbc83Ld/y1S/Z+ X-Received: by 10.80.140.153 with SMTP id q25mr3016659edq.147.1509456280695; Tue, 31 Oct 2017 06:24:40 -0700 (PDT) X-Received: by 10.80.140.153 with SMTP id q25mr3016627edq.147.1509456280213; Tue, 31 Oct 2017 06:24:40 -0700 (PDT) MIME-Version: 1.0 Received: by 10.80.182.181 with HTTP; Tue, 31 Oct 2017 06:24:39 -0700 (PDT) From: Shankara Pailoor Date: Tue, 31 Oct 2017 09:24:39 -0400 Message-ID: Subject: KASAN: use-after-free in move_expired_inodes To: LKML , viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" X-No-Spam-Score: Local X-Scanned-By: MIMEDefang 2.78 on 128.59.72.16 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, We got the following error: BUG: KASAN: use-after-free in move_expired_inodes+0xce6/0xdf0 Write of size 8 at addr ffff8800a3a36bf8 by task kworker/u8:0/5 while fuzzing with Syzkaller on 4.14-rc4 on x86_64. Included is the trace of the crash along with the programs running around the time of the crash. Programs can be found here: https://pastebin.com/RYGtNn3z Stack trace here: https://pastebin.com/SaJXWMg3 We don't have a C reproducer but we will send one if we have it. Regards, Shankara From 1584176517245545831@xxx Wed Nov 15 23:27:37 +0000 2017 X-GM-THRID: 1584176517245545831 X-Gmail-Labels: Inbox,Category Forums,HistoricalUnread