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: r8a66597: Fix a possible concurrency use-after-free bug in r8a66597_endpoint_disable() From: Greg Kroah-Hartman Message-Id: <20181218111149.GA979@kroah.com> Date: Tue, 18 Dec 2018 12:11:49 +0100 To: Jia-Ju Bai Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org List-ID: T24gVHVlLCBEZWMgMTgsIDIwMTggYXQgMDY6MDA6MjBQTSArMDgwMCwgSmlhLUp1IEJhaSB3cm90 ZToKPiBUaGUgZnVuY3Rpb24gcjhhNjY1OTdfZW5kcG9pbnRfZGlzYWJsZSgpIGFuZCByOGE2NjU5 N191cmJfZW5xdWV1ZSgpIG1heQo+IGJlIGNvbmN1cnJlbnRseSBleGVjdXRlZC4KPiBUaGUgdHdv IGZ1bmN0aW9ucyBib3RoIGFjY2VzcyBhIHBvc3NpYmxlIHNoYXJlZCB2YXJpYWJsZSAiaGVwLT5o Y3ByaXYiLgo+IAo+IFRoaXMgc2hhcmVkIHZhcmlhYmxlIGlzIGZyZWVkIGJ5IHI4YTY2NTk3X2Vu ZHBvaW50X2Rpc2FibGUoKSB2aWEgdGhlCj4gY2FsbCBwYXRoOgo+IHI4YTY2NTk3X2VuZHBvaW50 X2Rpc2FibGUKPiAgIGtmcmVlKGhlcC0+aGNwcml2KSAobGluZSAxOTk1IGluIExpbnV4LTQuMTkp Cj4gCj4gVGhpcyB2YXJpYWJsZSBpcyByZWFkIGJ5IHI4YTY2NTk3X3VyYl9lbnF1ZXVlKCkgdmlh IHRoZSBjYWxsIHBhdGg6Cj4gcjhhNjY1OTdfdXJiX2VucXVldWUKPiAgIHNwaW5fbG9ja19pcnFz YXZlKCZyOGE2NjU5Ny0+bG9jayk7Cj4gICBpbml0X3BpcGVfaW5mbwo+ICAgICBlbmFibGVfcjhh NjY1OTdfcGlwZQo+ICAgICAgIHBpcGUgPSBoZXAtPmhjcHJpdiAobGluZSA4MDIgaW4gTGludXgt NC4xOSkKPiAKPiBUaGUgcmVhZCBvcGVyYXRpb24gaXMgcHJvdGVjdGVkIGJ5IGEgc3BpbmxvY2ss IGJ1dCB0aGUgZnJlZSBvcGVyYXRpb24KPiBpcyBub3QgcHJvdGVjdGVkIGJ5IHRoaXMgc3Bpbmxv Y2ssIHRodXMgYSBjb25jdXJyZW5jeSB1c2UtYWZ0ZXItZnJlZSBidWcKPiBtYXkgb2NjdXIuCj4g Cj4gVG8gZml4IHRoaXMgYnVnLCB0aGUgc3Bpbi1sb2NrIGFuZCBzcGluLXVubG9jayBmdW5jdGlv biBjYWxscyBpbgo+IHI4YTY2NTk3X2VuZHBvaW50X2Rpc2FibGUoKSBhcmUgbW92ZWQgdG8gcHJv dGVjdCB0aGUgZnJlZSBvcGVyYXRpb24uCj4gCj4gU2lnbmVkLW9mZi1ieTogSmlhLUp1IEJhaSA8 YmFpamlhanUxOTkwQGdtYWlsLmNvbT4KPiAtLS0KPiAgZHJpdmVycy91c2IvaG9zdC9yOGE2NjU5 Ny1oY2QuYyB8IDMgKystCj4gIDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKyksIDEgZGVs ZXRpb24oLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy91c2IvaG9zdC9yOGE2NjU5Ny1oY2Qu YyBiL2RyaXZlcnMvdXNiL2hvc3QvcjhhNjY1OTctaGNkLmMKPiBpbmRleCA5ODQ4OTJkZDcyZjUu LjE0OTVjZTE0YWQyMiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL3VzYi9ob3N0L3I4YTY2NTk3LWhj ZC5jCj4gKysrIGIvZHJpdmVycy91c2IvaG9zdC9yOGE2NjU5Ny1oY2QuYwo+IEBAIC0xOTkxLDEz ICsxOTkxLDE0IEBAIHN0YXRpYyB2b2lkIHI4YTY2NTk3X2VuZHBvaW50X2Rpc2FibGUoc3RydWN0 IHVzYl9oY2QgKmhjZCwKPiAgCQlyZXR1cm47Cj4gIAlwaXBlbnVtID0gcGlwZS0+aW5mby5waXBl bnVtOwo+ICAKPiArCXNwaW5fbG9ja19pcnFzYXZlKCZyOGE2NjU5Ny0+bG9jaywgZmxhZ3MpOwoK RG9uJ3QgeW91IGFsc28gbmVlZCB0aGUgX19hcXVpcmVzL19fcmVsZWFzZXMgbWFya2luZ3Mgb24g dGhpcyBmdW5jdGlvbgppbiBvcmRlciB0byBwcm9wZXJseSBhbm5vdGF0ZSBpdCwgbGlrZSB0aGUg cmVzdCBvZiB0aGUgZHJpdmVyIGhhcz8KCk90aGVyd2lzZSB0aGlzIHNlZW1zIHRvIGxvb2sgZ29v ZCB0byBtZS4KCnRoYW5rcywKCmdyZWcgay1oCg==