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: Felipe Balbi Message-Id: <87d0wv2fg9.fsf@linux.intel.com> Date: Wed, 13 Jun 2018 12:39:18 +0300 To: Roger Quadros , Johan Hovold Cc: Greg Kroah-Hartman , Alan Stern , linux-usb@vger.kernel.org List-ID: Um9nZXIgUXVhZHJvcyA8cm9nZXJxQHRpLmNvbT4gd3JpdGVzOgoKPiBPbiAxMy8wNi8xOCAxMTow NSwgRmVsaXBlIEJhbGJpIHdyb3RlOgo+PiBSb2dlciBRdWFkcm9zIDxyb2dlcnFAdGkuY29tPiB3 cml0ZXM6Cj4+IAo+Pj4gSGkgSm9oYW4sCj4+Pgo+Pj4gT24gMzEvMDUvMTggMTc6NDUsIEpvaGFu IEhvdm9sZCB3cm90ZToKPj4+PiBUaGUgY2xvY2tzIGhhdmUgYWxyZWFkeSBiZWVuIGV4cGxpY2l0 bHkgZGlzYWJsZWQgYW5kIHB1dCBhcyBwYXJ0IG9mCj4+Pj4gcmVtb3ZlKCkgc28gdGhlIHJ1bnRp bWUgc3VzcGVuZCBjYWxsYmFjayBtdXN0IG5vdCBiZSBydW4gd2hlbiBiYWxhbmNpbmcKPj4+PiB0 aGUgcnVudGltZSBQTSB1c2FnZSBjb3VudCBiZWZvcmUgcmV0dXJuaW5nLgo+Pj4+Cj4+Pj4gRml4 ZXM6IDE2YWRjNjc0ZDBkNiAoInVzYjogZHdjMzogYWRkIGdlbmVyaWMgT0YgZ2x1ZSBsYXllciIp Cj4+Pj4gU2lnbmVkLW9mZi1ieTogSm9oYW4gSG92b2xkIDxqb2hhbkBrZXJuZWwub3JnPgo+Pj4+ IC0tLQo+Pj4+Cj4+Pj4gQ2hhbmdlcyBpbiB2Mgo+Pj4+ICAtIGJhbGFuY2UgdXNhZ2UgY291bnQg b25seSBhZnRlciBkaXNhYmxpbmcgcnVudGltZSBQTSB0byBhdm9pZCByYWNpbmcKPj4+PiAgICB3 aXRoIHBtX3J1bnRpbWVfc3VzcGVuZCgpIGFzIHN1Z2dlc3RlZCBieSBBbGFuCj4+Pj4KPj4+Pgo+ Pj4+ICBkcml2ZXJzL3VzYi9kd2MzL2R3YzMtb2Ytc2ltcGxlLmMgfCAzICsrLQo+Pj4+ICAxIGZp bGUgY2hhbmdlZCwgMiBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4+Pj4KPj4+PiBkaWZm IC0tZ2l0IGEvZHJpdmVycy91c2IvZHdjMy9kd2MzLW9mLXNpbXBsZS5jIGIvZHJpdmVycy91c2Iv ZHdjMy9kd2MzLW9mLXNpbXBsZS5jCj4+Pj4gaW5kZXggY2IyZWU5NmZkM2U4Li4wNDg5MjJkNTQ5 ZGQgMTAwNjQ0Cj4+Pj4gLS0tIGEvZHJpdmVycy91c2IvZHdjMy9kd2MzLW9mLXNpbXBsZS5jCj4+ Pj4gKysrIGIvZHJpdmVycy91c2IvZHdjMy9kd2MzLW9mLXNpbXBsZS5jCj4+Pj4gQEAgLTE2NSw4 ICsxNjUsOSBAQCBzdGF0aWMgaW50IGR3YzNfb2Zfc2ltcGxlX3JlbW92ZShzdHJ1Y3QgcGxhdGZv cm1fZGV2aWNlICpwZGV2KQo+Pj4+ICAKPj4+PiAgCXJlc2V0X2NvbnRyb2xfcHV0KHNpbXBsZS0+ cmVzZXRzKTsKPj4+PiAgCj4+Pj4gLQlwbV9ydW50aW1lX3B1dF9zeW5jKGRldik7Cj4+Pgo+Pj4g V2Fzbid0IHRoaXMgY2FsbCB0aGVyZSB0byBiYWxhbmNlIG91dCB0aGUgcG1fcnVudGltZV9nZXRf c3luYygpIGNhbGwgaW4gcHJvYmUoKT8KPj4+IFRoZSBwbV9ydW50aW1lX2dldF9zeW5jKCkgY2Fs bCBpcyBzdGlsbCB0aGVyZSBpbiBwcm9iZSgpLgo+PiAKPj4gdGhhdCdzIG5vdyBiYWxhbmNlZCBi eSBwdXRfbm9pZGxlIGJlbG93Cj4+IAo+PiAKPgo+IE9LLgo+Cj4gSSdtIHN0aWxsIHRyeWluZyB0 byBnZXQgbXkgaGVhZCBhcm91bmQgdGhpcy4KPgo+IGluIHByb2JlKCkgd2UgZG8KPiB7Cj4gCWVu YWJsZSBhbGwgY2xvY2tzOwo+ICAgICAgICAgcG1fcnVudGltZV9zZXRfYWN0aXZlKGRldik7Cj4g ICAgICAgICBwbV9ydW50aW1lX2VuYWJsZShkZXYpOwo+ICAgICAgICAgcG1fcnVudGltZV9nZXRf c3luYyhkZXYpOwo+IH0KPgo+IEhvdyB3aWxsIHJ1bnRpbWUgc3VzcGVuZCB3b3JrIGF0IGFsbD8K PiBXZSdyZSBob2xkaW5nIGEgcG9zaXRpdmUgUlBNIGNvdW50IGluIHByb2JlKCkuCgplY2hvIGF1 dG8gPiAvcGF0aC90by9kd2MzL3Bvd2VyL2NvbnRyb2wKCkdyYW50ZWQsIHRoYXQgZ2V0X3N5bmMo KSB3b3VsZCd2ZSBiZWVuIGJldHRlciBhcyBhIHBtX3J1bnRpbWVfZm9yYmlkKCkK