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: gadget: composite: Fix double free memory bug From: Manu Gautam Message-Id: <91ee602fc4c76fec57a120c17186e67b@codeaurora.org> Date: Tue, 19 Mar 2019 14:33:11 +0530 To: Chandana Kishori Chiluveru Cc: linux-usb@vger.kernel.org, linux-usb-owner@vger.kernel.org List-ID: SGksCgpPbiAyMDE5LTAzLTE1IDE2OjM3LCBDaGFuZGFuYSBLaXNob3JpIENoaWx1dmVydSB3cm90 ZToKPiBjb25maWdmc19kZXZfY2xlYW51cCBmdW5jdGlvbiBjYW4gZG91YmxlIGZyZWUgb3NfZGVz Ywo+IGFuZCBidWZmZXIgd2hlbiBjYWxsZWQgZnJvbSBkaWZmZXJlbnQgY29udGV4dC4gRm9yCj4g ZXhhbXBsZSwgdGhpcyBjYW4gYmUgY2FsbGVkIGZyb20gY29tcG9zaXRlX3VuYmluZCgpIGFuZAo+ IHdoZW4gY29tcG9zaXRlX2JpbmQoKSBmYWlscy4KClNob3VsZG4ndCB3ZSBpbnN0ZWFkIGZpeCB0 aGUgZXJyb3IgcGF0aCBoYW5kbGluZyBvZiBjb21wb3NpdGVfYmluZAphbmQgY29uZmlnZnNfY29t cG9zaXRlX2JpbmQ/Cgo+IEZpeCB0aGlzIGlzc3VlIGJ5IHNldHRpbmcKPiByZXF1ZXN0IGFuZCBi dWZmZXIgcG9pbnRlciB0byBOVUxMIGFmdGVyIGtmcmVlLgo+IAo+IFNpZ25lZC1vZmYtYnk6IENo YW5kYW5hIEtpc2hvcmkgQ2hpbHV2ZXJ1IDxjY2hpbHV2ZUBjb2RlYXVyb3JhLm9yZz4KPiAtLS0K PiAgZHJpdmVycy91c2IvZ2FkZ2V0L2NvbXBvc2l0ZS5jIHwgNCArKysrCj4gIDEgZmlsZSBjaGFu Z2VkLCA0IGluc2VydGlvbnMoKykKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy91c2IvZ2FkZ2V0 L2NvbXBvc2l0ZS5jIAo+IGIvZHJpdmVycy91c2IvZ2FkZ2V0L2NvbXBvc2l0ZS5jCj4gaW5kZXgg YjhhMTU4NC4uOTkyZjFlMiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL3VzYi9nYWRnZXQvY29tcG9z aXRlLmMKPiArKysgYi9kcml2ZXJzL3VzYi9nYWRnZXQvY29tcG9zaXRlLmMKPiBAQCAtMjE1NSwx NCArMjE1NSwxOCBAQCB2b2lkIGNvbXBvc2l0ZV9kZXZfY2xlYW51cChzdHJ1Y3QKPiB1c2JfY29t cG9zaXRlX2RldiAqY2RldikKPiAgCQkJdXNiX2VwX2RlcXVldWUoY2Rldi0+Z2FkZ2V0LT5lcDAs IGNkZXYtPm9zX2Rlc2NfcmVxKTsKPiAKPiAgCQlrZnJlZShjZGV2LT5vc19kZXNjX3JlcS0+YnVm KTsKPiArCQljZGV2LT5vc19kZXNjX3JlcS0+YnVmID0gTlVMTDsKPiAgCQl1c2JfZXBfZnJlZV9y ZXF1ZXN0KGNkZXYtPmdhZGdldC0+ZXAwLCBjZGV2LT5vc19kZXNjX3JlcSk7Cj4gKwkJY2Rldi0+ b3NfZGVzY19yZXEgPSBOVUxMOwoKQmV0dGVyIHRvIG1vdmUgb3NfZGVzY19jbGVhbnVwIGhhbmRs aW5nIHRvIGEgZGlmZmVyZW50IGZ1bmN0aW9uCnNheSAtIGNvbXBvc2l0ZV9vc19kZXNjX3JlcV9j bGVhbnVwICh0byBtYXRjaCAKY29tcG9zaXRlX29zX2Rlc2NfcmVxX3ByZXBhcmUoKSkKCj4gIAl9 Cj4gIAlpZiAoY2Rldi0+cmVxKSB7Cj4gIAkJaWYgKGNkZXYtPnNldHVwX3BlbmRpbmcpCj4gIAkJ CXVzYl9lcF9kZXF1ZXVlKGNkZXYtPmdhZGdldC0+ZXAwLCBjZGV2LT5yZXEpOwo+IAo+ICAJCWtm cmVlKGNkZXYtPnJlcS0+YnVmKTsKPiArCQljZGV2LT5yZXEtPmJ1ZiA9IE5VTEw7Cj4gIAkJdXNi X2VwX2ZyZWVfcmVxdWVzdChjZGV2LT5nYWRnZXQtPmVwMCwgY2Rldi0+cmVxKTsKPiArCQljZGV2 LT5yZXEgPSBOVUxMOwo+ICAJfQo+ICAJY2Rldi0+bmV4dF9zdHJpbmdfaWQgPSAwOwo+ICAJZGV2 aWNlX3JlbW92ZV9maWxlKCZjZGV2LT5nYWRnZXQtPmRldiwgJmRldl9hdHRyX3N1c3BlbmRlZCk7 Cg==