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x-ptr=fail x-ptr-helo=hemlock.osuosl.org x-ptr-lookup=smtp2.osuosl.org; x-return-mx=pass smtp.domain=linuxdriverproject.org smtp.result=pass smtp_is_org_domain=yes header.domain=syzkaller.appspotmail.com header.result=pass header_org.domain=appspotmail.com header_org.result=pass header_is_org_domain=no; x-tls=pass version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128 X-Remote-Delivered-To: driverdev-devel@osuosl.org X-Google-Smtp-Source: AH8x227u9p7URbThhz5ircOpd52q97YZlpCa0/7OS5uVn8PoOt5ujEdbW5rv0cZBsoyY2iW38rT2sFNj8Vq9DwPyH7WuaZXVsmlj MIME-Version: 1.0 Date: Wed, 24 Jan 2018 10:42:47 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <001a113f932c939af705638a07fd@google.com> Subject: possible deadlock in shmem_file_llseek From: syzbot To: arve@android.com, devel@driverdev.osuosl.org, dvyukov@google.com, gregkh@linuxfoundation.org, hughd@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, maco@android.com, syzkaller-bugs@googlegroups.com, tkjos@android.com Content-Type: multipart/mixed; boundary="001a113f932c939ac605638a07fc" X-BeenThere: driverdev-devel@linuxdriverproject.org X-Mailman-Version: 2.1.24 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: --001a113f932c939ac605638a07fc Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Hello, syzbot tried to test the proposed patch but build/boot failed: patch is already applied Tested on https://github.com/joelagnel/linux.git/test-ashmem commit 32f813bb0d06c1e189ac336f8c3c7377f85c71f0 (Wed Jan 24 01:45:04 2018 +0000) ashmem: Fix lockdep issue during llseek compiler: gcc (GCC) 7.1.1 20170620 Patch is attached. --001a113f932c939ac605638a07fc Content-Type: text/plain; charset="US-ASCII"; name="patch.diff" Content-Disposition: attachment; filename="patch.diff" Content-Transfer-Encoding: base64 LS0tIGEvZHJpdmVycy9zdGFnaW5nL2FuZHJvaWQvYXNobWVtLmMKKysrIGIvZHJpdmVycy9zdGFn aW5nL2FuZHJvaWQvYXNobWVtLmMKQEAgLTM0Myw3ICszNDMsOSBAQCBzdGF0aWMgbG9mZl90IGFz aG1lbV9sbHNlZWsoc3RydWN0IGZpbGUgKmZpbGUsIGxvZmZfdCBvZmZzZXQsIGludCBvcmlnaW4p CiAJCWdvdG8gb3V0OwogCX0KIAorCW11dGV4X3VubG9jaygmYXNobWVtX211dGV4KTsKIAlyZXQg PSB2ZnNfbGxzZWVrKGFzbWEtPmZpbGUsIG9mZnNldCwgb3JpZ2luKTsKKwltdXRleF9sb2NrKCZh c2htZW1fbXV0ZXgpOwogCWlmIChyZXQgPCAwKQogCQlnb3RvIG91dDsKIAo= --001a113f932c939ac605638a07fc Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ devel mailing list devel@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel --001a113f932c939ac605638a07fc--