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: <87vaagxp2g.fsf@linux.intel.com> Date: Mon, 18 Jun 2018 15:21:43 +0300 To: Roger Quadros , Johan Hovold Cc: Greg Kroah-Hartman , Alan Stern , linux-usb@vger.kernel.org List-ID: SGksCgpSb2dlciBRdWFkcm9zIDxyb2dlcnFAdGkuY29tPiB3cml0ZXM6Cj4gT24gMTgvMDYvMTgg MTI6NTEsIEZlbGlwZSBCYWxiaSB3cm90ZToKPj4gCj4+IEhpLAo+PiAKPj4gSm9oYW4gSG92b2xk IDxqb2hhbkBrZXJuZWwub3JnPiB3cml0ZXM6Cj4+PiBPbiBNb24sIEp1biAxOCwgMjAxOCBhdCAx MjozMzo0NFBNICswMzAwLCBGZWxpcGUgQmFsYmkgd3JvdGU6Cj4+Pgo+Pj4+IEpvaGFuIEhvdm9s ZCA8am9oYW5Aa2VybmVsLm9yZz4gd3JpdGVzOgo+Pj4KPj4+Pj4gSSBzdWdnZXN0IG1lcmdpbmcg dGhpcyBmaXggZm9yIDQuMTgtcmMsIGFuZCB0aGVuIFJvZ2VyIGNhbiByZXdvcmsgdGhlCj4+Pj4+ IGRyaXZlciBzbyB0aGF0IGl0IHdvcmtzIGFsc28gb24gT01BUC4KPj4+Pgo+Pj4+IG9tYXAgaGFz IGl0cyBvd24gZ2x1ZSBsYXllciBmb3Igc2V2ZXJhbCByZWFzb25zLiBJZiB5b3UncmUgdGFsa2lu ZyBhYm91dAo+Pj4+IEtleXN0b25lIGRldmljZXMsIHRoZW4gb2theSwgSSB1bmRlcnN0YW5kLiBC dXQgaW4gdGhhdCBjYXNlLCB0aGlzIHdvdWxkCj4+Pj4gbWVhbiBLZXlzdG9uZSBpcyBjb3B5aW5n IHRoZSBzYW1lIGFyZ3VhYmx5IGJyb2tlbiBQTSBkb21haW4gZGVzaWduIGZyb20KPj4+PiBPTUFQ IGFuZCBpdCB3b3VsZCBiZSBiZXN0IG5vdCB0byBwcm9wYWdhdGUgdGhhdCBpZGVhLgo+Pj4KPj4+ IE1heWJlIHNvLiBJJ20gbm90IHN1cmUgd2hhdCBSb2dlcidzIHVzZSBjYXNlIGlzLCBidXQgcGVy aGFwcyB0aGUgb21hcAo+Pj4gZ2x1ZSBkcml2ZXIgY291bGQgYmUgdXNlZCBpbnN0ZWFkLgo+PiAK Pj4gdW5saWtlbHkuIEtleXN0b25lIGRldmljZXMgYXJlIHZlcnkgZGlmZmVyZW50IGZyb20gT01B UCBmYW1pbHkuIEJ1dAo+PiB3ZSdsbCBzZWUgd2hhdCBSb2dlciBzYXlzLgo+PiAKPgo+IFdlbGws IEkgd2FzIGNvbnNpZGVyaW5nIHRvIHVzZSBvZi1zaW1wbGUgZm9yIHRoZSBBTTY1NCBTb0MgWzFd IGJ1dCBub3cKPiBJJ20gb2YgdGhlIG9waW5pb24gdGhhdCBpdCBtaWdodCBiZSBiZXR0ZXIgdG8g YWRkIGEgbmV3IGdsdWUgbGF5ZXIgZHJpdmVyCgp3aHkgaXNuJ3QgZHdjMy1rZXlzdG9uZS5jIGVu b3VnaD8KCj4gZm9yIHRoYXQgYmVjYXVzZQo+IC0gaXQgbmVlZHMgdG8gcG9rZSBhIGZldyByZWdp c3RlcnMgaW4gdGhlIHdyYXBwZXIgcmVnaW9uCgpkd2MzLWtleXN0b25lLmMgZG9lcyB0aGF0IGFs cmVhZHkKCj4gLSBpdCBkb2Vzbid0IHJlYWxseSBuZWVkIHRoZSBkcml2ZXIgdG8gZW5hYmxlIGFu eSBjbG9jawoKU2VlbXMgdG8gbWUgeW91J3JlIHRyeWluZyB0byBwb3J0IG9tYXBfZGV2aWNlIHRv IGFybTY0Li4uCgo+IC0gaXQgbmVlZHMgYSBwbV9ydW50aW1lX2dldF9zeW5jKCkgdG8gYmUgZG9u ZSBpbiBwcm9iZQoKdGhpcyByZWFsbHkgc2hvdWxkbid0IGJlIG5lY2Vzc2FyeS4gS2V5c3RvbmUg ZG9lc24ndCByZWx5IG9uIGFsbCB0aGUKb21hcF9kZXZpY2UgbGVnYWN5LiBBdCBsZWFzdCBpdCBk aWRuJ3QgdXNlIHRvLiBDb3VsZCBpdCBiZSB0aGF0IHlvdSdyZQpqdXN0IG1pc3NpbmcgYSBzdHJ1 Y3QgZGV2X3BtX2RvbWFpbiBkZWZpbml0aW9uIGZvciBhcm02ND8KCkkgaGF2ZW4ndCBzZWVuIGhv dyB5b3UgZ3V5cyBpbXBsZW1lbnRlZCB5b3VyIFBNIGZvciBhcm02NCAoaXMgdGhlcmUgYQpwdWJs aWNhbGx5IGFjY2Vzc2libGUgdmVyc2lvbiBzb21ld2hlcmU/KSwgYnV0IEknZCBzYXkgeW91IHNo b3VsZCB0YWtlCnRoZSBvcHBvcnR1bml0eSB0byByZW1vdmUgdGhpcyByZWx5aW5nIG9uIHBtX3J1 bnRpbWVfZ2V0X3N5bmMoKSBjYWxscwpmcm9tIHByb2JlIGFuZCBqdXN0IGRvIHdoYXQgZXZlcnli b2R5IGVsc2UgZG9lczsgbmFtZWx5OiBlbmFibGUgY2xvY2tzCm9uIHByb2JlLCBwbV9ydW50aW1l X3NldF9hY3RpdmUsIGV0Yy4KClRoaXMgaGVscHMgZHJpdmVycyBiZWluZyBhYmxlIHRvIG1ha2Ug YXNzdW1wdGlvbnMgYWJvdXQgZGV2aWNlcyBiZWluZwplbmFibGVkIGR1cmluZyBwcm9iZS4gcG1f cnVudGltZSBiZWNvbWVzIGVhc2llciB0byBpbXBsZW1lbnQgZ2VuZXJpY2FsbHkKdG9vLgo=