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: Johan Hovold Message-Id: <20180621095247.GV32411@localhost> Date: Thu, 21 Jun 2018 11:52:47 +0200 To: "Rafael J. Wysocki" Cc: Johan Hovold , "Rafael J. Wysocki" , Tony Lindgren , Felipe Balbi , Roger Quadros , Tero Kristo , Greg Kroah-Hartman , Alan Stern , "open list:ULTRA-WIDEBAND \(UWB\) SUBSYSTEM:" , "Nori, Sekhar" , Grygorii Strashko , Nishanth Menon , Linux PM List-ID: T24gVGh1LCBKdW4gMjEsIDIwMTggYXQgMTI6NTU6MjZBTSArMDIwMCwgUmFmYWVsIEouIFd5c29j a2kgd3JvdGU6Cj4gT24gVGh1LCBKdW4gMjEsIDIwMTggYXQgMTI6MzIgQU0sIFJhZmFlbCBKLiBX eXNvY2tpIDxyYWZhZWxAa2VybmVsLm9yZz4gd3JvdGU6Cj4gPiBPbiBXZWQsIEp1biAyMCwgMjAx OCBhdCA1OjQ2IFBNLCBKb2hhbiBIb3ZvbGQgPGpvaGFuQGtlcm5lbC5vcmc+IHdyb3RlOgo+ID4+ IE9uIFdlZCwgSnVuIDIwLCAyMDE4IGF0IDAyOjU0OjEwUE0gKzAyMDAsIFJhZmFlbCBKLiBXeXNv Y2tpIHdyb3RlOgo+ID4+PiBPbiBXZWRuZXNkYXksIEp1bmUgMjAsIDIwMTggMjoyMzo0NiBQTSBD RVNUIEpvaGFuIEhvdm9sZCB3cm90ZToKPiA+Pj4gPiBPbiBXZWQsIEp1biAyMCwgMjAxOCBhdCAw MjoxNjo1OUFNIC0wNzAwLCBUb255IExpbmRncmVuIHdyb3RlOgo+ID4+PiA+ID4gSGksCj4gPj4+ ID4gPgo+ID4+PiA+ID4gQWRkaW5nIFJhZmFlbCBhbmQgbGludXgtcG0gdG8gQ2MgYXMgd2VsbC4K PiA+Pj4gPiA+Cj4gPj4+ID4gPiAqIEZlbGlwZSBCYWxiaSA8YmFsYmlAa2VybmVsLm9yZz4gWzE4 MDYxOSAwMToyM106Cj4gPj4+ID4gPiA+IFRoaXMgaXMgYSBkaXJlY3QgY29uc2VxdWVuY2Ugb2Yg bm90IHBheWluZyBhdHRlbnRpb24gdG8gdGhlIG9yZGVyIG9mCj4gPj4+ID4gPiA+IHRoaW5ncy4g SWYgZHJpdmVyIHdlcmUgdG8gYXNzdW1lIHRoYXQgcG1fZG9tYWluLT5hY3RpdmF0ZSgpIHdvdWxk IGRvIHRoZQo+ID4+PiA+ID4gPiByaWdodCB0aGluZyBmb3IgdGhlIGRldmljZSAtLSBtZWFuaW5n IHRoYXQgcHJvYmUgd291bGQgcnVuIHdpdGggYW4KPiA+Pj4gPiA+ID4gYWN0aXZlIGRldmljZSAt LSwgdGhlbiB3ZSB3b3VsZG4ndCBuZWVkIHRoYXQgcG1fcnVudGltZV9nZXQoKSBjYWxsIG9uCj4g Pj4+ID4gPiA+IHByb2JlIGF0IGFsbC4gUmF0aGVyIHdlIHdvdWxkIGZvbGxvdyB0aGUgc2VxdWVu Y2U6Cj4gPj4+ID4gPiA+Cj4gPj4+ID4gPiA+ICAgICAgICAgcG1fcnVudGltZV9mb3JiaWQoKQo+ ID4+PiA+ID4gPiAgICAgICAgIHBtX3J1bnRpbWVfc2V0X2FjdGl2ZSgpCj4gPj4+ID4gPiA+ICAg ICAgICAgcG1fcnVudGltZV9lbmFibGUoKQo+ID4+PiA+ID4gPgo+ID4+PiA+ID4gPiAgICAgICAg IC8qIGRvIHlvdXIgcHJvYmUgcm91dGluZSAqLwo+ID4+PiA+ID4gPgo+ID4+PiA+ID4gPiAgICAg ICAgIHBtX3J1bnRpbWVfcHV0X25vaWRsZSgpCj4gPj4+ID4gPiA+Cj4gPj4+ID4gPiA+IFRoZW4g eW91IHJlbW92ZSB5b3Ugd291bGQgbmVlZCB0byBjYWxsIHBtX3J1bnRpbWVfZ2V0X25vcmVzdW1l KCkgdG8KPiA+Pj4gPiA+ID4gYmFsYW5jZSBvdXQgdGhlIHBtX3J1bnRpbWVfcHV0X25vaWRsZSgp IHRoZXJlLgo+ID4+PiA+Cj4gPj4+ID4gPiA+IChJZiB5b3UgbmVlZCB0byBrbm93IHdoeSB0aGUg cG1fcnVudGltZV9wdXRfbm9pZGxlKCksIHJlbWVtYmVyIHRoYXQKPiA+Pj4gPiA+ID4gcG1fcnVu dGltZV9zZXRfYWN0aXZlKCkgaW5jcmVtZW50cyB0aGUgdXNhZ2UgY291bnRlciwgc28KPiA+Pj4g PiA+ID4gcG1fcnVudGltZV9wdXRfbm9pZGxlIGlzIGJhc2ljYWxseSBhbGxvd2luZyBwbV9ydW50 aW1lIHRvIGhhcHBlbiBhcyBzb29uCj4gPj4+ID4gPiA+IGFzIHVzZXJzcGFjZSB3cml0ZXMgImF1 dG8iIHRvIC9zeXMvLi4uLi9wb3dlci9jb250cm9sKQo+ID4+PiA+Cj4gPj4+ID4gVGhhdCdzIG5v dCBjb3JyZWN0OyBwbV9ydW50aW1lX3NldF9hY3RpdmUoKSBvbmx5IGluY3JlbWVudHMgdGhlIHVz YWdlCj4gPj4+ID4gY291bnRlciBvZiBhIHBhcmVudCAodW5kZXIgc29tZSBjaXJjdW1zdGFuY2Vz KSwgc28gdW5sZXNzIHlvdSBoYXZlIGJ1cwo+ID4+PiA+IGNvZGUgaW5jcmVtZW50aW5nIHRoZSB1 c2FnZSBjb3VudGVyIGJlZm9yZSBwcm9iZSwgdGhlIGFib3ZlCj4gPj4+ID4gcG1fcnVudGltZV9w dXRfbm9pZGxlKCkgd291bGQgYWN0dWFsbHkgaW50cm9kdWNlIGFuIGltYmFsYW5jZS4KCj4gVGhl IGNvbmZ1c2lvbiByZWdhcmRpbmcgdGhlIHBtX3J1bnRpbWVfcHV0X25vaWRsZSgpIGF0IHRoZSBl bmQgbWF5Cj4gY29tZSBmcm9tIHRoZSBzcGVjaWFsIHJlcXVpcmVtZW50IG9mIHRoZSBQQ0kgYnVz IHR5cGUgYXMgcGVyIHRoZQo+IGNvbW1lbnQgaW4gbG9jYWxfcGNpX3Byb2JlKCkuCgpUaGF0IHNl ZW1zIHRvIGJlIHRoZSBjYXNlLCBidXQgSSdtIG5vdCBzdXJlIG9mIG11Y2ggb2Ygd2hhdCBQQ0kg aXMgZG9pbmcKdGhhdCBjYW4gYmUgYXBwbGllZCBoZXJlIChlLmcuIE9NQVAgcGxhdGZvcm0gZGV2 aWNlcyksIHdoZXJlIHVuYm91bmQKZGV2aWNlcyBzaG91bGQgYWx3YXlzIGJlIHBvd2VyZWQgb2Zm IGFuZCB3ZXJlIEkgYXNzdW1lIHdlIHdhbnQgdG8gaGF2ZQpydW50aW1lIHBtIGFsbG93ZWQgYnkg ZGVmYXVsdCwgZm9yIGV4YW1wbGUuCgpKb2hhbgotLS0KVG8gdW5zdWJzY3JpYmUgZnJvbSB0aGlz IGxpc3Q6IHNlbmQgdGhlIGxpbmUgInVuc3Vic2NyaWJlIGxpbnV4LXVzYiIgaW4KdGhlIGJvZHkg b2YgYSBtZXNzYWdlIHRvIG1ham9yZG9tb0B2Z2VyLmtlcm5lbC5vcmcKTW9yZSBtYWpvcmRvbW8g aW5mbyBhdCAgaHR0cDovL3ZnZXIua2VybmVsLm9yZy9tYWpvcmRvbW8taW5mby5odG1sCg==