From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: BUG in skb_pull with e1000e, PPTP, and L2TP Date: Wed, 19 Oct 2011 09:47:15 +0200 Message-ID: <1319010435.18562.3.camel@edumazet-laptop> References: <1318904666.2571.33.camel@edumazet-laptop> <1318909879.2571.43.camel@edumazet-laptop> <1318910393.2571.47.camel@edumazet-laptop> <20111019.033154.371626230759904957.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: e1000-devel@lists.sourceforge.net, netdev@vger.kernel.org, bruce.w.allan@intel.com, jesse.brandeburg@intel.com, john.ronciak@intel.com, despite@gmail.com To: David Miller Return-path: In-Reply-To: <20111019.033154.371626230759904957.davem@davemloft.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: e1000-devel-bounces@lists.sourceforge.net List-Id: netdev.vger.kernel.org TGUgbWVyY3JlZGkgMTkgb2N0b2JyZSAyMDExIMOgIDAzOjMxIC0wNDAwLCBEYXZpZCBNaWxsZXIg YSDDqWNyaXQgOgo+IEZyb206IEVyaWMgRHVtYXpldCA8ZXJpYy5kdW1hemV0QGdtYWlsLmNvbT4K PiBEYXRlOiBUdWUsIDE4IE9jdCAyMDExIDA1OjU5OjUzICswMjAwCj4gCj4gPiBbUEFUQ0ggdjJd IHBwdHA6IHBwdHBfcmN2X2NvcmUoKSBtaXNzZXMgcHNrYl9tYXlfcHVsbCgpIGNhbGwKPiA+IAo+ ID4gZTEwMDBlIHVzZXMgcGFnZWQgZnJhZ3MsIHNvIGFueSBsYXllciBpbmNvcnJlY3RseSBwdWxs aW5nIGJ5dGVzIGZyb20gc2tiCj4gPiBjYW4gdHJpZ2dlciBhIEJVRyBpbiBza2JfcHVsbCgpCj4g PiAKPiA+IFs5NTEuMTQyNzM3XSAgWzxmZmZmZmZmZjgxM2QyZjM2Pl0gc2tiX3B1bGwrMHgxNS8w eDE3Cj4gPiBbOTUxLjE0MjczN10gIFs8ZmZmZmZmZmZhMDI4NjgyND5dIHBwdHBfcmN2X2NvcmUr MHgxMjYvMHgxOWEgW3BwdHBdCj4gPiBbOTUxLjE1MjcyNV0gIFs8ZmZmZmZmZmY4MTNkMTdjND5d IHNrX3JlY2VpdmVfc2tiKzB4NjkvMHgxMDUKPiA+IFs5NTEuMTYzNTU4XSAgWzxmZmZmZmZmZmEw Mjg2OTkzPl0gcHB0cF9yY3YrMHhjOC8weGRjIFtwcHRwXQo+ID4gWzk1MS4xNjUwOTJdICBbPGZm ZmZmZmZmYTAyODAwYTM+XSBncmVfcmN2KzB4NjIvMHg3NSBbZ3JlXQo+ID4gWzk1MS4xNjUwOTJd ICBbPGZmZmZmZmZmODE0MTA3ODQ+XSBpcF9sb2NhbF9kZWxpdmVyX2ZpbmlzaCsweDE1MC8weDFj MQo+ID4gWzk1MS4xNzc1OTldICBbPGZmZmZmZmZmODE0MTA2MzQ+XSA/IGlwX2xvY2FsX2RlbGl2 ZXJfZmluaXNoKzB4MC8weDFjMQo+ID4gWzk1MS4xNzc1OTldICBbPGZmZmZmZmZmODE0MTA4NDY+ XSBORl9IT09LLmNsb25lLjcrMHg1MS8weDU4Cj4gPiBbOTUxLjE3NzU5OV0gIFs8ZmZmZmZmZmY4 MTQxMDk5Nj5dIGlwX2xvY2FsX2RlbGl2ZXIrMHg1MS8weDU1Cj4gPiBbOTUxLjE3NzU5OV0gIFs8 ZmZmZmZmZmY4MTQxMDViOT5dIGlwX3Jjdl9maW5pc2grMHgzMWEvMHgzM2UKPiA+IFs5NTEuMTc3 NTk5XSAgWzxmZmZmZmZmZjgxNDEwMjlmPl0gPyBpcF9yY3ZfZmluaXNoKzB4MC8weDMzZQo+ID4g Wzk1MS4yMDQ4OThdICBbPGZmZmZmZmZmODE0MTA4NDY+XSBORl9IT09LLmNsb25lLjcrMHg1MS8w eDU4Cj4gPiBbOTUxLjIxNDY1MV0gIFs8ZmZmZmZmZmY4MTQxMGJiNT5dIGlwX3JjdisweDIxYi8w eDI0Ngo+ID4gCj4gPiBwcHRwX3Jjdl9jb3JlKCkgaXMgYSBuaWNlIGV4YW1wbGUgb2YgYSBmdW5j dGlvbiBhc3N1bWluZyBldmVyeXRoaW5nIGl0Cj4gPiBuZWVkcyBpcyBhdmFpbGFibGUgaW4gc2ti IGhlYWQuCj4gPiAKPiA+IFJlcG9ydGVkLWJ5OiBCcmFkbGV5IFBldGVyc29uIDxkZXNwaXRlQGdt YWlsLmNvbT4KPiA+IFNpZ25lZC1vZmYtYnk6IEVyaWMgRHVtYXpldCA8ZXJpYy5kdW1hemV0QGdt YWlsLmNvbT4KPiAKPiBJIGFzc3VtZSBieSB0aGUgZHJpdmVyIHBhdGhzIGluIHRoZSBwYXRjaCB0 aGF0IHlvdSB0aGluayB0aGlzCj4gaXMgJ25ldC1uZXh0JyBtYXRlcmlhbCBhbmQgbm90IHN1aXRh YmxlIGZvciBwbGFpbiAnbmV0JywgcmlnaHQ/CgpJIGluY29ycmVjdGx5IHRob3VnaHQgdGhpcyBk cml2ZXIgd2FzIGF0IHRoZSBzYW1lIGxvY2F0aW9uIGluIG5ldCAmCm5ldC1uZXh0LCBhbmQgSSBt eSBuZXQtbmV4dCB0cmVlIHdhcyBtb3JlIGNvbnZlbmllbnQgdG8gY29tcGlsZSB0aGlzLgoKSSBj YW4gcmVzcGluIHBhdGNoIG9uIG5ldCB0cmVlIGlmIHlvdSBwcmVmZXIuCgpUaGFua3MKCgoKLS0t LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLS0tLS0tLS0tCkFsbCB0aGUgZGF0YSBjb250aW51b3VzbHkgZ2VuZXJhdGVkIGlu IHlvdXIgSVQgaW5mcmFzdHJ1Y3R1cmUgY29udGFpbnMgYQpkZWZpbml0aXZlIHJlY29yZCBvZiBj dXN0b21lcnMsIGFwcGxpY2F0aW9uIHBlcmZvcm1hbmNlLCBzZWN1cml0eQp0aHJlYXRzLCBmcmF1 ZHVsZW50IGFjdGl2aXR5IGFuZCBtb3JlLiBTcGx1bmsgdGFrZXMgdGhpcyBkYXRhIGFuZCBtYWtl cwpzZW5zZSBvZiBpdC4gQnVzaW5lc3Mgc2Vuc2UuIElUIHNlbnNlLiBDb21tb24gc2Vuc2UuCmh0 dHA6Ly9wLnNmLm5ldC9zZnUvc3BsdW5rLWQyZC1vY3QKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KRTEwMDAtZGV2ZWwgbWFpbGluZyBsaXN0CkUxMDAwLWRl dmVsQGxpc3RzLnNvdXJjZWZvcmdlLm5ldApodHRwczovL2xpc3RzLnNvdXJjZWZvcmdlLm5ldC9s aXN0cy9saXN0aW5mby9lMTAwMC1kZXZlbApUbyBsZWFybiBtb3JlIGFib3V0IEludGVsJiMxNzQ7 IEV0aGVybmV0LCB2aXNpdCBodHRwOi8vY29tbXVuaXRpZXMuaW50ZWwuY29tL2NvbW11bml0eS93 aXJlZAo=