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: <87602dx0yb.fsf@linux.intel.com> Date: Wed, 20 Jun 2018 12:27:08 +0300 To: Tony Lindgren Cc: Roger Quadros , Johan Hovold , Tero Kristo , Greg Kroah-Hartman , Alan Stern , linux-usb@vger.kernel.org, "Nori, Sekhar" , Grygorii Strashko , Nishanth Menon , "Rafael J. Wysocki" , linux-pm@vger.kernel.org List-ID: SGksCgpUb255IExpbmRncmVuIDx0b255QGF0b21pZGUuY29tPiB3cml0ZXM6Cj4gKiBGZWxpcGUg QmFsYmkgPGJhbGJpQGtlcm5lbC5vcmc+IFsxODA2MTkgMDE6MjNdOgo+PiBUaGlzIGlzIGEgZGly ZWN0IGNvbnNlcXVlbmNlIG9mIG5vdCBwYXlpbmcgYXR0ZW50aW9uIHRvIHRoZSBvcmRlciBvZgo+ PiB0aGluZ3MuIElmIGRyaXZlciB3ZXJlIHRvIGFzc3VtZSB0aGF0IHBtX2RvbWFpbi0+YWN0aXZh dGUoKSB3b3VsZCBkbyB0aGUKPj4gcmlnaHQgdGhpbmcgZm9yIHRoZSBkZXZpY2UgLS0gbWVhbmlu ZyB0aGF0IHByb2JlIHdvdWxkIHJ1biB3aXRoIGFuCj4+IGFjdGl2ZSBkZXZpY2UgLS0sIHRoZW4g d2Ugd291bGRuJ3QgbmVlZCB0aGF0IHBtX3J1bnRpbWVfZ2V0KCkgY2FsbCBvbgo+PiBwcm9iZSBh dCBhbGwuIFJhdGhlciB3ZSB3b3VsZCBmb2xsb3cgdGhlIHNlcXVlbmNlOgo+PiAKPj4gCXBtX3J1 bnRpbWVfZm9yYmlkKCkKPj4gCXBtX3J1bnRpbWVfc2V0X2FjdGl2ZSgpCj4+IAlwbV9ydW50aW1l X2VuYWJsZSgpCj4+IAo+PiAJLyogZG8geW91ciBwcm9iZSByb3V0aW5lICovCj4+IAo+PiAJcG1f cnVudGltZV9wdXRfbm9pZGxlKCkKPj4gCj4+IFRoZW4geW91IHJlbW92ZSB5b3Ugd291bGQgbmVl ZCB0byBjYWxsIHBtX3J1bnRpbWVfZ2V0X25vcmVzdW1lKCkgdG8KPj4gYmFsYW5jZSBvdXQgdGhl IHBtX3J1bnRpbWVfcHV0X25vaWRsZSgpIHRoZXJlLgo+Cj4gSG93IGFib3V0IGxldCdzIGNyZWF0 ZSBzb21lIHByZXR0aWVyIGludGVyZmFjZSBmb3IgdGhlIGFib3ZlIHJ1bnRpbWUgUE0KPiB0cmlj a2VyeT8KPgo+IEhvdyBhYm91dCBzb21ldGhpbmcgbGlrZSBwbV9ydW50aW1lX2luaXRfZW5hYmxl ZCgpIGZvciB0aGUgYWJvdmUKPiBzZXF1ZW5jZT8KPgo+IEl0IG1pZ2h0IGJlIHRoZW4gYWJsZSB0 byBkbyB0aGUgdHJpY2sgZXZlbiBpZiBhY3RpdmF0ZSBpcyBub3QKPiBpbXBsZW1lbnRlZC4uCj4K PiBSaWdodCBub3cgaXQgaGFzIHRoZSBmZWVsaW5nIG9mICJvaCB3ZWxsIHdlIGNhbid0IGdldCBy dW50aW1lIFBNIHRvCj4gd29yayBzbyBsZXQncyBieXBhc3MgaXQgd2l0aCBhY3RpdmF0ZSBjYWxs IGFuZCB0aGVuIHRyaWNrIHJ1bnRpbWUgUE0KPiB0byBzdGFydCBpbiBlbmFibGVkIG1vZGUiIDop CgpubyBzdHJvbmcgZmVlbGluZ3MgYWJvdXQgdGhhdCBlaXRoZXIgd2F5LiBJdCdzIG9ubHkgMyBs aW5lcyBvZiBjb2RlCmFueXdheS4gSSBmZWVsIGxpa2UgdGhhdCdzIGEgbWlub3IgY29zbWV0aWMg Y2hhbmdlLgoKPj4gKElmIHlvdSBuZWVkIHRvIGtub3cgd2h5IHRoZSBwbV9ydW50aW1lX3B1dF9u b2lkbGUoKSwgcmVtZW1iZXIgdGhhdAo+PiBwbV9ydW50aW1lX3NldF9hY3RpdmUoKSBpbmNyZW1l bnRzIHRoZSB1c2FnZSBjb3VudGVyLCBzbwo+PiBwbV9ydW50aW1lX3B1dF9ub2lkbGUgaXMgYmFz aWNhbGx5IGFsbG93aW5nIHBtX3J1bnRpbWUgdG8gaGFwcGVuIGFzIHNvb24KPj4gYXMgdXNlcnNw YWNlIHdyaXRlcyAiYXV0byIgdG8gL3N5cy8uLi4uL3Bvd2VyL2NvbnRyb2wpCj4KPiBJIHdvbmRl ciBpZiB3ZSBjb3VsZCBhbHNvIHJlbW92ZSB0aGUgbmVlZCBmb3IgZHJpdmVycyB0byBjYWxsCj4g cG1fcnVudGltZV9wdXRub2lkbGUoKSBhdCB0aGUgZW5kIG9mIHRoZSBwcm9iZT8gSWYgd2UgaGFk Cj4gcG1fcnVudGltZV9pbml0X2VuYWJsZWQoKSBpbXBsZW1lbnRlZC4KCnByb2JhYmx5IG5vdC4g V2Ugd2FudCB0byBibG9jayBydW50aW1lIHBtIGR1cmluZyBwcm9iZSwgdW50aWwgdGhlIGRldmlj ZQppcyBmdWxseSBpbml0aWFsaXplZCwgdGhlIG9ubHkgd2F5IHRvIGRvIHRoYXQgaXMgdG8gaW5j cmVtZW50IHJwbSB1c2FnZQpjb3VudGVyLgo=