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: <8736xhwwer.fsf@linux.intel.com> Date: Wed, 20 Jun 2018 14:05:16 +0300 To: "Rafael J. Wysocki" , Tony Lindgren Cc: Roger Quadros , Johan Hovold , Tero Kristo , Greg Kroah-Hartman , Alan Stern , "open list:ULTRA-WIDEBAND \(UWB\) SUBSYSTEM:" , "Nori, Sekhar" , Grygorii Strashko , Nishanth Menon , "Rafael J. Wysocki" , Linux PM List-ID: IlJhZmFlbCBKLiBXeXNvY2tpIiA8cmFmYWVsQGtlcm5lbC5vcmc+IHdyaXRlczoKCj4gT24gV2Vk LCBKdW4gMjAsIDIwMTggYXQgMTE6MjcgQU0sIEZlbGlwZSBCYWxiaSA8YmFsYmlAa2VybmVsLm9y Zz4gd3JvdGU6Cj4+Cj4+IEhpLAo+Pgo+PiBUb255IExpbmRncmVuIDx0b255QGF0b21pZGUuY29t PiB3cml0ZXM6Cj4+PiAqIEZlbGlwZSBCYWxiaSA8YmFsYmlAa2VybmVsLm9yZz4gWzE4MDYxOSAw MToyM106Cj4+Pj4gVGhpcyBpcyBhIGRpcmVjdCBjb25zZXF1ZW5jZSBvZiBub3QgcGF5aW5nIGF0 dGVudGlvbiB0byB0aGUgb3JkZXIgb2YKPj4+PiB0aGluZ3MuIElmIGRyaXZlciB3ZXJlIHRvIGFz c3VtZSB0aGF0IHBtX2RvbWFpbi0+YWN0aXZhdGUoKSB3b3VsZCBkbyB0aGUKPj4+PiByaWdodCB0 aGluZyBmb3IgdGhlIGRldmljZSAtLSBtZWFuaW5nIHRoYXQgcHJvYmUgd291bGQgcnVuIHdpdGgg YW4KPj4+PiBhY3RpdmUgZGV2aWNlIC0tLCB0aGVuIHdlIHdvdWxkbid0IG5lZWQgdGhhdCBwbV9y dW50aW1lX2dldCgpIGNhbGwgb24KPj4+PiBwcm9iZSBhdCBhbGwuIFJhdGhlciB3ZSB3b3VsZCBm b2xsb3cgdGhlIHNlcXVlbmNlOgo+Pj4+Cj4+Pj4gICAgICBwbV9ydW50aW1lX2ZvcmJpZCgpCj4K PiBXaHkgZG8geW91IG5lZWQgdGhlIF9mb3JiaWQoKSB0aGluZz8KPgo+IERvZXMgdGhlIGRlZmF1 bHQgdXNlciBzcGFjZSBjb250cm9sIHNldHRpbmcgbmVlZCB0byBiZSBjaGFuZ2VkPwoKd291bGRu J3QgdGhhdCByYWNlIHdpdGggYSB1ZGV2IHJ1bGUgd3JpdGluZyAiYXV0byIgcG93ZXIvY29udHJv bCBhcyBzb29uCmFzIGRldmljZSBpcyBhZGRlZD8KCj4+Pj4gKElmIHlvdSBuZWVkIHRvIGtub3cg d2h5IHRoZSBwbV9ydW50aW1lX3B1dF9ub2lkbGUoKSwgcmVtZW1iZXIgdGhhdAo+Pj4+IHBtX3J1 bnRpbWVfc2V0X2FjdGl2ZSgpIGluY3JlbWVudHMgdGhlIHVzYWdlIGNvdW50ZXIsIHNvCj4+Pj4g cG1fcnVudGltZV9wdXRfbm9pZGxlIGlzIGJhc2ljYWxseSBhbGxvd2luZyBwbV9ydW50aW1lIHRv IGhhcHBlbiBhcyBzb29uCj4+Pj4gYXMgdXNlcnNwYWNlIHdyaXRlcyAiYXV0byIgdG8gL3N5cy8u Li4uL3Bvd2VyL2NvbnRyb2wpCj4+Pgo+Pj4gSSB3b25kZXIgaWYgd2UgY291bGQgYWxzbyByZW1v dmUgdGhlIG5lZWQgZm9yIGRyaXZlcnMgdG8gY2FsbAo+Pj4gcG1fcnVudGltZV9wdXRub2lkbGUo KSBhdCB0aGUgZW5kIG9mIHRoZSBwcm9iZT8gSWYgd2UgaGFkCj4+PiBwbV9ydW50aW1lX2luaXRf ZW5hYmxlZCgpIGltcGxlbWVudGVkLgo+Pgo+PiBwcm9iYWJseSBub3QuIFdlIHdhbnQgdG8gYmxv Y2sgcnVudGltZSBwbSBkdXJpbmcgcHJvYmUsIHVudGlsIHRoZSBkZXZpY2UKPj4gaXMgZnVsbHkg aW5pdGlhbGl6ZWQsIHRoZSBvbmx5IHdheSB0byBkbyB0aGF0IGlzIHRvIGluY3JlbWVudCBycG0g dXNhZ2UKPj4gY291bnRlci4KPgo+IFRoYXQgb3IgZW5hYmxlIGl0IG9ubHkgYXQgdGhlIGVuZC4g IEJ1dCBJIGd1ZXNzIHlvdSB3YW50IHRvCj4gcnVudGltZS1yZXN1bWUgaXQgZWFybGllciwgZG9u J3QgeW91PwoKd2VsbCwgaWYgYXJjaCBpbXBsZW1lbnRzIHBtX2RvbWFpbi0+YWN0aXZhdGUoKSBh bmQgZ3VhcmFudGVlcyB0aGF0CmRldmljZSBpcyBhbHJlYWR5IHJ1bm5pbmcsIHdpdGggY2xvY2tz IHN0YWJsZSBkdXJpbmcgcHJvYmUsIHRoZW4KZW5hYmxpbmcgcnVudGltZSBwbSBhdCB0aGUgZW5k IGlzIHByb2JhYmx5IHRoZSBiZXN0IGlkZWEuCg==