From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: usb: dwc3: of-simple: fix use-after-free on remove From: Roger Quadros Message-Id: Date: Wed, 13 Jun 2018 11:34:37 +0300 To: Felipe Balbi , Johan Hovold Cc: Greg Kroah-Hartman , Alan Stern , linux-usb@vger.kernel.org List-ID: T24gMTMvMDYvMTggMTE6MDUsIEZlbGlwZSBCYWxiaSB3cm90ZToKPiBSb2dlciBRdWFkcm9zIDxy b2dlcnFAdGkuY29tPiB3cml0ZXM6Cj4gCj4+IEhpIEpvaGFuLAo+Pgo+PiBPbiAzMS8wNS8xOCAx Nzo0NSwgSm9oYW4gSG92b2xkIHdyb3RlOgo+Pj4gVGhlIGNsb2NrcyBoYXZlIGFscmVhZHkgYmVl biBleHBsaWNpdGx5IGRpc2FibGVkIGFuZCBwdXQgYXMgcGFydCBvZgo+Pj4gcmVtb3ZlKCkgc28g dGhlIHJ1bnRpbWUgc3VzcGVuZCBjYWxsYmFjayBtdXN0IG5vdCBiZSBydW4gd2hlbiBiYWxhbmNp bmcKPj4+IHRoZSBydW50aW1lIFBNIHVzYWdlIGNvdW50IGJlZm9yZSByZXR1cm5pbmcuCj4+Pgo+ Pj4gRml4ZXM6IDE2YWRjNjc0ZDBkNiAoInVzYjogZHdjMzogYWRkIGdlbmVyaWMgT0YgZ2x1ZSBs YXllciIpCj4+PiBTaWduZWQtb2ZmLWJ5OiBKb2hhbiBIb3ZvbGQgPGpvaGFuQGtlcm5lbC5vcmc+ Cj4+PiAtLS0KPj4+Cj4+PiBDaGFuZ2VzIGluIHYyCj4+PiAgLSBiYWxhbmNlIHVzYWdlIGNvdW50 IG9ubHkgYWZ0ZXIgZGlzYWJsaW5nIHJ1bnRpbWUgUE0gdG8gYXZvaWQgcmFjaW5nCj4+PiAgICB3 aXRoIHBtX3J1bnRpbWVfc3VzcGVuZCgpIGFzIHN1Z2dlc3RlZCBieSBBbGFuCj4+Pgo+Pj4KPj4+ ICBkcml2ZXJzL3VzYi9kd2MzL2R3YzMtb2Ytc2ltcGxlLmMgfCAzICsrLQo+Pj4gIDEgZmlsZSBj aGFuZ2VkLCAyIGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKPj4+Cj4+PiBkaWZmIC0tZ2l0 IGEvZHJpdmVycy91c2IvZHdjMy9kd2MzLW9mLXNpbXBsZS5jIGIvZHJpdmVycy91c2IvZHdjMy9k d2MzLW9mLXNpbXBsZS5jCj4+PiBpbmRleCBjYjJlZTk2ZmQzZTguLjA0ODkyMmQ1NDlkZCAxMDA2 NDQKPj4+IC0tLSBhL2RyaXZlcnMvdXNiL2R3YzMvZHdjMy1vZi1zaW1wbGUuYwo+Pj4gKysrIGIv ZHJpdmVycy91c2IvZHdjMy9kd2MzLW9mLXNpbXBsZS5jCj4+PiBAQCAtMTY1LDggKzE2NSw5IEBA IHN0YXRpYyBpbnQgZHdjM19vZl9zaW1wbGVfcmVtb3ZlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2Ug KnBkZXYpCj4+PiAgCj4+PiAgCXJlc2V0X2NvbnRyb2xfcHV0KHNpbXBsZS0+cmVzZXRzKTsKPj4+ ICAKPj4+IC0JcG1fcnVudGltZV9wdXRfc3luYyhkZXYpOwo+Pgo+PiBXYXNuJ3QgdGhpcyBjYWxs IHRoZXJlIHRvIGJhbGFuY2Ugb3V0IHRoZSBwbV9ydW50aW1lX2dldF9zeW5jKCkgY2FsbCBpbiBw cm9iZSgpPwo+PiBUaGUgcG1fcnVudGltZV9nZXRfc3luYygpIGNhbGwgaXMgc3RpbGwgdGhlcmUg aW4gcHJvYmUoKS4KPiAKPiB0aGF0J3Mgbm93IGJhbGFuY2VkIGJ5IHB1dF9ub2lkbGUgYmVsb3cK PiAKPiAKCk9LLgoKSSdtIHN0aWxsIHRyeWluZyB0byBnZXQgbXkgaGVhZCBhcm91bmQgdGhpcy4K CmluIHByb2JlKCkgd2UgZG8KewoJZW5hYmxlIGFsbCBjbG9ja3M7CiAgICAgICAgcG1fcnVudGlt ZV9zZXRfYWN0aXZlKGRldik7CiAgICAgICAgcG1fcnVudGltZV9lbmFibGUoZGV2KTsKICAgICAg ICBwbV9ydW50aW1lX2dldF9zeW5jKGRldik7Cn0KCkhvdyB3aWxsIHJ1bnRpbWUgc3VzcGVuZCB3 b3JrIGF0IGFsbD8KV2UncmUgaG9sZGluZyBhIHBvc2l0aXZlIFJQTSBjb3VudCBpbiBwcm9iZSgp LgoKVGhpcyB3YXMgcG9pbnRlZCBvdXQgYnkgSm9oYW4gYXMgd2VsbCBpbiBbMV0KClsxXSBodHRw czovL2xrbWwub3JnL2xrbWwvMjAxOC81LzI4LzE3MDUK