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: Tony Lindgren Message-Id: <20180620043434.GD26255@atomide.com> Date: Tue, 19 Jun 2018 21:34:35 -0700 To: Tero Kristo Cc: Felipe Balbi , Roger Quadros , Johan Hovold , Greg Kroah-Hartman , Alan Stern , linux-usb@vger.kernel.org, "Nori, Sekhar" , Grygorii Strashko , Nishanth Menon List-ID: KiBUZXJvIEtyaXN0byA8dC1rcmlzdG9AdGkuY29tPiBbMTgwNjE5IDEyOjEzXToKPiAKPiBUSSBT b0MgYXJtNjQgUE0gaXMgZG9uZSB2aWEgZ2VucGQgYXR0YWNoZWQgdG8gZWFjaCBkb21haW4sIHdo aWNoIGluIHR1cm4KPiBwYXNzZXMgY29udHJvbCBtZXNzYWdlcyB0byB0aGUgUE0gZmlybXdhcmUg d2hlbiB0cmFuc2l0aW9ucyBoYXBwZW4uIFNlZQo+IGRyaXZlcnMvc29jL3RpX3NjaV9wbV9kb21h aW5zLmMgZm9yIGRldGFpbHMuCj4gCj4gTm90IHF1aXRlIHN1cmUgYWJvdXQgdGhlIGRpc2N1c3Np b24gZm9sbG93aW5nIGxhdGVyLCBidXQgdGhlcmUgaXMgd29yawo+IG9uZ29pbmcgdG8gZ2V0IHJp ZCBvZiBib3RoIG9tYXBfaHdtb2QgYW5kIG9tYXBfZGV2aWNlLCBhbmQgcmVwbGFjZSB0aGlzIHdp dGgKPiBhIHByb3BlciBidXMgZHJpdmVyIGZvciBPTUFQIGFyY2hpdGVjdHVyZXMuIEl0IG1pZ2h0 IHNvbHZlIHRoZSBpc3N1ZXMgYmVpbmcKPiB0YWxrZWQgYWJvdXQsIG9yIHRoZW4gbm90LiBUb255 LCBhbnkgY29tbWVudHMgb24gdGhhdD8KCkFzIGxvbmcgYXMgZHJpdmVycyBrZWVwIHdvcmtpbmcg d2Ugc2hvdWxkIGFkZCB0aGUgY2FsbGJhY2tzIHN1Z2dlc3RlZCBieQpGZWxpcGUgaWYgdGhhdCBh bGxvd3MgbWFraW5nIGRyaXZlcnMgZ2VuZXJpYy4gVGhlbiBjaGFuZ2luZyB0aGUgZHJpdmVyCnBy b2JlcyBjYW4gYmUgZG9uZSBvbmUgZHJpdmVyIGF0IGEgdGltZSBob3BlZnVsbHkuCgo+IEFueXdh eSwgbWFpbiByZWFzb24gdGhhdCBvbWFwIGRldmljZXMgYXJlIGFjdHVhbGx5IHN1c3BlbmRlZCBv biBIVyBsZXZlbAo+IGR1cmluZyBwcm9iZSBpcyB0aGUgYWdncmVzc2l2ZSBwb3dlciBtYW5hZ2Vt ZW50IGFwcGxpZWQgb24gdGhlIGRldmljZSwgYW5kCj4gYmFzZWQgb24gdGhlIGRvY3VtZW50YXRp b24gdGhpcyBpcyBhY3R1YWxseSBhIHZhbGlkIHRoaW5nIHRvIGRvLiBUaGlzIG1ha2VzCj4gc3Vy ZSB0aGF0IGFsbCBkZXZpY2VzIGdldCB0byBpZGxlIGlmIHRoZXkgYXJlIG5vdCB1c2VkIChubyBk cml2ZXIgcHJvYmVkCj4gZXRjLiksIGFuZCB3aWxsIGFsbG93IHRoZSBTb0MgdG8gaWRsZSBjb3Jl IHBvd2VyZG9tYWluLgoKV2hhdCBGZWxpcGUgaXMgc3VnZ2VzdGluZyBpcyBhZGRpbmcgdGhlIGNh bGxiYWNrcyB0aGF0IHdvbid0IGNoYW5nZSB0aGUKcnVudGltZSBQTSB1c2Vjb3VudC4gVGhleSBq dXN0IGVuYWJsZSB0aGUgZGV2aWNlIGZvciBwcm9iZSwgdGhlbiBidXMgY29kZQpjYW4gZGlzYWJs ZSBpdCBhZ2FpbiBvbiBmYWlsZWQgcHJvYmUuIEluIHRoZSBkZXZpY2UgZHJpdmVyIHByb2JlIHRo aW5ncwppbiB0aGVvcnkgc2hvdWxkIHdvcmsgdGhlbiBib3RoIHRoZSBvbGQgd2F5IGFuZCB0aGUg UENJIHN0eWxlIHdheSBGZWxpcGUKd2FudHMuIE5lZWRzIHRvIGJlIHRlc3RlZCBvZiBjb3Vyc2Ug OikKClJlZ2FyZHMsCgpUb255Ci0tLQpUbyB1bnN1YnNjcmliZSBmcm9tIHRoaXMgbGlzdDogc2Vu ZCB0aGUgbGluZSAidW5zdWJzY3JpYmUgbGludXgtdXNiIiBpbgp0aGUgYm9keSBvZiBhIG1lc3Nh Z2UgdG8gbWFqb3Jkb21vQHZnZXIua2VybmVsLm9yZwpNb3JlIG1ham9yZG9tbyBpbmZvIGF0ICBo dHRwOi8vdmdlci5rZXJuZWwub3JnL21ham9yZG9tby1pbmZvLmh0bWwK