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[209.132.180.67]) by mx.google.com with ESMTP id t3si444470pgp.498.2018.01.24.10.41.26; Wed, 24 Jan 2018 10:41:41 -0800 (PST) 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; dkim=pass header.i=@google.com header.s=20161025 header.b=Z3U5VSkz; 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; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965180AbeAXSkg (ORCPT + 99 others); Wed, 24 Jan 2018 13:40:36 -0500 Received: from mail-pg0-f47.google.com ([74.125.83.47]:34203 "EHLO mail-pg0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964982AbeAXSkc (ORCPT ); Wed, 24 Jan 2018 13:40:32 -0500 Received: by mail-pg0-f47.google.com with SMTP id r19so3312626pgn.1 for ; Wed, 24 Jan 2018 10:40:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=5Uh0GVbCAXQTMkOcx5prfXJFCCDhz/UNz+m9gjJkP+8=; b=Z3U5VSkzt+F06sXQYMnfh2863TmS+6rPKM/JRzQzvj/c8xZ/esciTVF4dXmTK+QOO6 VNhwEWEpq4fXJ4CaSfb6tI0W/8zSbI+cjp76CB49E8rbDGmwRlbbCee+xbJllMUbPkQF XOk0UFW329BVDZ4UsLglSFSQ1+tv0jAiuMSB9aqSVOHR91Rw/nTsOtsO2DFbshYcg9Qw lZy9J9i2KEz4WPVgQPlOce7twTKkzXlq9gWFNKvWzLsshZu6TtczRWuiI9SMdiRAm4qj PHB5aJsNPW5d+InzY1uRVsDqH/oHbMtKtOhu2bEXLz4tgpugnGYOs3VFc9lbZBEfqoNr iysg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=5Uh0GVbCAXQTMkOcx5prfXJFCCDhz/UNz+m9gjJkP+8=; b=PFgU/RnDPBZ2sGKUj37xf87nx+OjIez2i2vjHGlwvfZRpfbo3ZOXT1jf8eUQhWkp8w dV03bln5dGJjdgk3SYnZ5kcUCr8Vd9UKxP/INcy/1XvGk6Td1/Q5jiHSq3ywGk2SSr9h Wt0P4dc3rlQ5ANvWrWKnGhXqxMjGuh8Jl4u4IXhBQ+EYfo09+sMhhH9W+2ECNMCTpAeX xXi1X7EyBJFD5i0Q1CibsAShEY4L+GnKnyUQ1SWx1G+/B6xGyNaFpyglN+V5RIrfhUWM aaCQ8DRU/N7WIqKW79t89zr1u3wYu1BdPGJwo4huGL8t3zRK2hUVjPsFaP0rtbLbFJnx R0kg== X-Gm-Message-State: AKwxytfEneI1UNuibq1ouj8DJ02OTGhIRtP/lyzkGGeK1IkRH+o8YjvK qVY5lAEYXmDqCx1o9QMccuEEc1s72PjRPjg38jnymxe0jOU= X-Received: by 2002:a17:902:8f8b:: with SMTP id z11-v6mr9078549plo.43.1516819231141; Wed, 24 Jan 2018 10:40:31 -0800 (PST) MIME-Version: 1.0 Received: by 10.236.140.151 with HTTP; Wed, 24 Jan 2018 10:40:10 -0800 (PST) In-Reply-To: <20180124174723.25289-1-joelaf@google.com> References: <001a1144d6e854b3c90562668d74@google.com> <20180124174723.25289-1-joelaf@google.com> From: Dmitry Vyukov Date: Wed, 24 Jan 2018 19:40:10 +0100 Message-ID: Subject: Re: possible deadlock in shmem_file_llseek To: Joel Fernandes Cc: LKML , syzbot , Hugh Dickins , Linux-MM , syzkaller-bugs@googlegroups.com Content-Type: multipart/mixed; boundary="00000000000076eeab056389ff3e" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --00000000000076eeab056389ff3e Content-Type: text/plain; charset="UTF-8" On Wed, Jan 24, 2018 at 6:47 PM, Joel Fernandes wrote: > > #syz test: https://github.com/joelagnel/linux.git test-ashmem Oops, this email somehow ended up without Content-Type header, which was unexpected on syzbot side. Now should be fixed with: https://github.com/google/syzkaller/commit/866f1102f786c19a67e3857f891eaf5107550663 Let's try again: #syz test: https://github.com/joelagnel/linux.git test-ashmem --00000000000076eeab056389ff3e Content-Type: application/octet-stream; name=patch Content-Disposition: attachment; filename=patch Content-Transfer-Encoding: base64 X-Attachment-Id: f_jctez7qu0 ZGlmZiAtLWdpdCBhL2RyaXZlcnMvc3RhZ2luZy9hbmRyb2lkL2FzaG1lbS5jIGIvZHJpdmVycy9z dGFnaW5nL2FuZHJvaWQvYXNobWVtLmMKaW5kZXggMGY2OTVkZjE0YzlkLi4yNDg5ODNjZjJkYjEg MTAwNjQ0Ci0tLSBhL2RyaXZlcnMvc3RhZ2luZy9hbmRyb2lkL2FzaG1lbS5jCisrKyBiL2RyaXZl cnMvc3RhZ2luZy9hbmRyb2lkL2FzaG1lbS5jCkBAIC0zNDMsNyArMzQzLDkgQEAgc3RhdGljIGxv ZmZfdCBhc2htZW1fbGxzZWVrKHN0cnVjdCBmaWxlICpmaWxlLCBsb2ZmX3Qgb2Zmc2V0LCBpbnQg b3JpZ2luKQogCQlnb3RvIG91dDsKIAl9CiAKKwltdXRleF91bmxvY2soJmFzaG1lbV9tdXRleCk7 CiAJcmV0ID0gdmZzX2xsc2Vlayhhc21hLT5maWxlLCBvZmZzZXQsIG9yaWdpbik7CisJbXV0ZXhf bG9jaygmYXNobWVtX211dGV4KTsKIAlpZiAocmV0IDwgMCkKIAkJZ290byBvdXQ7CiAK --00000000000076eeab056389ff3e--