From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1VfEI8-0000Ox-KO for user-mode-linux-devel@lists.sourceforge.net; Sat, 09 Nov 2013 19:33:56 +0000 Received: from b.ns.miles-group.at ([95.130.255.144] helo=radon.swed.at) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) id 1VfEI6-0001bb-Ur for user-mode-linux-devel@lists.sourceforge.net; Sat, 09 Nov 2013 19:33:56 +0000 Message-ID: <527E8E19.9030802@nod.at> Date: Sat, 09 Nov 2013 20:33:45 +0100 From: Richard Weinberger MIME-Version: 1.0 References: <526696BF.6050909@gmx.de> <5266A698.10400@gmx.de> <5266B60A.1000005@nod.at> <52715AD1.7000703@gmx.de> <527AB23D.2060305@gmx.de> <527AB51B.1020005@nod.at> <527E87EA.8080700@gmx.de> In-Reply-To: <527E87EA.8080700@gmx.de> List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net Subject: Re: [uml-devel] fuzz tested 32 bit user mode linux image hangs in radix_tree_next_chunk() To: =?UTF-8?B?VG9yYWxmIEbDtnJzdGVy?= Cc: linux-fsdevel , "linux-mm@kvack.org" , UML devel , Linux Kernel , Konstantin Khlebnikov QW0gMDkuMTEuMjAxMyAyMDowNywgc2NocmllYiBUb3JhbGYgRsO2cnN0ZXI6Cj4gT24gMTEvMDYv MjAxMyAxMDozMSBQTSwgUmljaGFyZCBXZWluYmVyZ2VyIHdyb3RlOgo+PiBBbSAwNi4xMS4yMDEz IDIyOjE4LCBzY2hyaWViIFRvcmFsZiBGw7Zyc3RlcjoKPj4+IE9uIDExLzA2LzIwMTMgMDU6MDYg UE0sIEtvbnN0YW50aW4gS2hsZWJuaWtvdiB3cm90ZToKPj4+PiBJbiB0aGlzIGNhc2UgaXQgbXVz dCBzdG9wIGFmdGVyIHNjYW5uaW5nIHdob2xlIHRyZWUgaW4gbGluZToKPj4+PiAvKiBPdmVyZmxv dyBhZnRlciB+MFVMICovCj4+Pj4gaWYgKCFpbmRleCkKPj4+PiAgIHJldHVybiBOVUxMOwo+Pj4+ Cj4+Pgo+Pj4gQSBmcmVzaCBjdXJyZW50IGV4YW1wbGUgd2l0aCBsYXRlc3QgZ2l0IHRyZWUgc2hv d3MgdGhhdCBsaW5lcyA3NjkgYW5kIDc3MCBkbyBhbHRlcm5hdGUgOgo+Pgo+PiBDYW4geW91IHBs ZWFzZSBhc2sgZ2RiIGZvciB0aGUgdmFsdWUgb2Ygb2Zmc2V0Pwo+Pgo+PiBUaGFua3MsCj4+IC8v cmljaGFyZAo+Pgo+IAo+IFN0aWxsIHRyeWluZyB0byBnZXQgdGhvc2UgdmFsdWVzLiBPbmUgYXR0 ZW1wdCB0byBkbyB0aGF0IHdhcyB0byByZXBsYWNlIC1PMiB3aXRoIC1PMCBpbiB0aGUgTWFrZWZp bGUsCj4gYnV0IHRoYXQgcmVzdWx0ZWQgaW50byB0aGlzIGVycm9yIDoKPiAKPiAgIExEICAgICAg a2VybmVsL2J1aWx0LWluLm8KPiAgIENDICAgICAgbW0vbWVtb3J5Lm8KPiBJbiBmdW5jdGlvbiDi gJh6YXBfcG1kX3Jhbmdl4oCZLAo+ICAgICBpbmxpbmVkIGZyb20g4oCYemFwX3B1ZF9yYW5nZeKA mSBhdCBtbS9tZW1vcnkuYzoxMjY1OjgsCj4gICAgIGlubGluZWQgZnJvbSDigJh1bm1hcF9wYWdl X3Jhbmdl4oCZIGF0IG1tL21lbW9yeS5jOjEyOTA6ODoKPiBtbS9tZW1vcnkuYzoxMjIwOjIzOiBl cnJvcjogY2FsbCB0byDigJhfX2NvbXBpbGV0aW1lX2Fzc2VydF8xMjIw4oCZIGRlY2xhcmVkIHdp dGggYXR0cmlidXRlIGVycm9yOiBCVUlMRF9CVUcgZmFpbGVkCj4gbW0vbWVtb3J5LmM6IEluIGZ1 bmN0aW9uIOKAmGZvbGxvd19wYWdlX21hc2vigJk6Cj4gbW0vbWVtb3J5LmM6MTUzMDoxODogZXJy b3I6IGNhbGwgdG8g4oCYX19jb21waWxldGltZV9hc3NlcnRfMTUzMOKAmSBkZWNsYXJlZCB3aXRo IGF0dHJpYnV0ZSBlcnJvcjogQlVJTERfQlVHIGZhaWxlZAo+IG1ha2VbMV06ICoqKiBbbW0vbWVt b3J5Lm9dIEVycm9yIDEKPiBtYWtlOiAqKiogW21tXSBFcnJvciAyCj4gCj4gCj4gV2l0aCAtTzEg aXQgY29tcGlsZWQgYXQgbGVhc3QuCgpZb3UgY2Fubm90IGJ1aWxkIExpbnV4IHdpdGggLU8xL08w LgpUcnkgcHJpbnRpbmcgdGhlIHZhbHVlIHVzaW5nIHByaW50ay4uLgoKVGhhbmtzLAovL3JpY2hh cmQKCi0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQpOb3ZlbWJlciBXZWJpbmFycyBmb3IgQywgQysrLCBG b3J0cmFuIERldmVsb3BlcnMKQWNjZWxlcmF0ZSBhcHBsaWNhdGlvbiBwZXJmb3JtYW5jZSB3aXRo IHNjYWxhYmxlIHByb2dyYW1taW5nIG1vZGVscy4gRXhwbG9yZQp0ZWNobmlxdWVzIGZvciB0aHJl YWRpbmcsIGVycm9yIGNoZWNraW5nLCBwb3J0aW5nLCBhbmQgdHVuaW5nLiBHZXQgdGhlIG1vc3Qg CmZyb20gdGhlIGxhdGVzdCBJbnRlbCBwcm9jZXNzb3JzIGFuZCBjb3Byb2Nlc3NvcnMuIFNlZSBh YnN0cmFjdHMgYW5kIHJlZ2lzdGVyCmh0dHA6Ly9wdWJhZHMuZy5kb3VibGVjbGljay5uZXQvZ2Ft cGFkL2Nsaz9pZD02MDEzNjIzMSZpdT0vNDE0MC9vc3RnLmNsa3RyawpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpVc2VyLW1vZGUtbGludXgtZGV2ZWwgbWFp bGluZyBsaXN0ClVzZXItbW9kZS1saW51eC1kZXZlbEBsaXN0cy5zb3VyY2Vmb3JnZS5uZXQKaHR0 cHM6Ly9saXN0cy5zb3VyY2Vmb3JnZS5uZXQvbGlzdHMvbGlzdGluZm8vdXNlci1tb2RlLWxpbnV4 LWRldmVsCg==