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: OHCI: Fix NULL dereference in HCDs using HCD_LOCAL_MEM From: Fredrik Noring Message-Id: <20180309173433.GA24963@localhost.localdomain> Date: Fri, 9 Mar 2018 18:34:34 +0100 To: USB list , Alan Stern Cc: =?utf-8?Q?J=C3=BCrgen?= Urban List-ID: U2NhdHRlci1nYXRoZXIgbmVlZHMgdG8gYmUgZGlzYWJsZWQgd2hlbiB1c2luZyBkbWFfZGVjbGFy ZV9jb2hlcmVudF9tZW1vcnkKYW5kIEhDRF9MT0NBTF9NRU0uIEFuZHJlYSBSaWdoaSBtYWRlIHRo ZSBlcXVpdmFsZW50IGZpeCBmb3IgRUhDSSBkcml2ZXJzCmluIGNvbW1pdCA0MzA3YTI4ZWIwMTI4 NCAiVVNCOiBFSENJOiBmaXggTlVMTCBwb2ludGVyIGRlcmVyZW5jZSBpbiBIQ0RzCnRoYXQgdXNl IEhDRF9MT0NBTF9NRU0iLgoKVGhlIGZvbGxvd2luZyBOVUxMIHBvaW50ZXIgV0FSTl9PTl9PTkNF IHRyaWdnZXJlZCB3aXRoIE9IQ0kgZHJpdmVyczoKCi0tLS0tLS0tLS0tLVsgY3V0IGhlcmUgXS0t LS0tLS0tLS0tLQpXQVJOSU5HOiBDUFU6IDAgUElEOiA0OSBhdCBkcml2ZXJzL3VzYi9jb3JlL2hj ZC5jOjEzNzkgaGNkX2FsbG9jX2NvaGVyZW50KzB4NGMvMHhjOApNb2R1bGVzIGxpbmtlZCBpbjoK Q1BVOiAwIFBJRDogNDkgQ29tbTogdXNiLXN0b3JhZ2UgTm90IHRhaW50ZWQgNC4xNS4wKyAjMTAx NApTdGFjayA6IDAwMDAwMDAwIDAwMDAwMDAwIDgwNWE3OGQyIDAwMDAwMDNhIDgxZjVjMmNjIDgw NTNkMzY3IDgwNGQ3N2ZjIDAwMDAwMDMxCiAgICAgICAgODA1YTNhMDggMDAwMDA1NjMgODFlZTk0 MDAgODA1YTAwMDAgMDAwMDAwMDAgMTAwNThjMDAgODFmNjFiMTAgODA1YzAwMDAKICAgICAgICAw MDAwMDAwMCAwMDAwMDAwMCA4MDVhMDAwMCAwMGQ5MDM4ZSAwMDAwMDAwNCA4MDNlZTgxOCAwMDAw MDAwNiAzMTJlMzQyMAogICAgICAgIDgwNWMwMDAwIDAwMDAwMDAwIDAwMDAwMDczIDgxZjYxOTU4 IDAwMDAwMDAwIDAwMDAwMDAwIDgwMmViMzgwIDgwNGZkNTM4CiAgICAgICAgMDAwMDAwMDkgMDAw MDA1NjMgODFlZTk0MDAgODA1YTAwMDAgMDAwMDAwMDIgODAwNTYxNDggMDAwMDAwMDAgODA1YTAw MDAKICAgICAgICAuLi4KQ2FsbCBUcmFjZToKWzw1NzhhZjM2MD5dIHNob3dfc3RhY2srMHg3NC8w eDEwNApbPDJmMzcwMmM2Pl0gX193YXJuKzB4MTE4LzB4MTIwCls8YWU5M2ZjOWU+XSB3YXJuX3Ns b3dwYXRoX251bGwrMHg0NC8weDU4Cls8YTg5MWE1MTc+XSBoY2RfYWxsb2NfY29oZXJlbnQrMHg0 Yy8weGM4Cls8MzU3OGZhMzY+XSB1c2JfaGNkX21hcF91cmJfZm9yX2RtYSsweDRkOC8weDUzNApb PDExMGJjOTRjPl0gdXNiX2hjZF9zdWJtaXRfdXJiKzB4ODJjLzB4ODM0Cls8MDJlYjViYWY+XSB1 c2Jfc2dfd2FpdCsweDE0Yy8weDFhMApbPGNjZDA5ZTg1Pl0gdXNiX3N0b3JfYnVsa190cmFuc2Zl cl9zZ2xpc3QucGFydC4xKzB4YWMvMHgxMjQKWzw4N2E1YzM0Yz5dIHVzYl9zdG9yX2J1bGtfc3Ji KzB4NDAvMHg2MApbPGZmMTc5MmFjPl0gdXNiX3N0b3JfQnVsa190cmFuc3BvcnQrMHgxNjAvMHgz N2MKWzxiOWUyNzA5Yz5dIHVzYl9zdG9yX2ludm9rZV90cmFuc3BvcnQrMHgzYy8weDUwMApbPDAw NDc1NGY0Pl0gdXNiX3N0b3JfY29udHJvbF90aHJlYWQrMHgyNTgvMHgyOGMKWzwyMmVkZjQyZT5d IGt0aHJlYWQrMHgxMzQvMHgxM2MKWzxhNDE5ZmZkMD5dIHJldF9mcm9tX2tlcm5lbF90aHJlYWQr MHgxNC8weDFjCi0tLVsgZW5kIHRyYWNlIGJjZGI4MjU4MDVlZWZkY2MgXS0tLQoKU2lnbmVkLW9m Zi1ieTogRnJlZHJpayBOb3JpbmcgPG5vcmluZ0Bub2NyZXcub3JnPgotLS0KVG8gdW5zdWJzY3Jp YmUgZnJvbSB0aGlzIGxpc3Q6IHNlbmQgdGhlIGxpbmUgInVuc3Vic2NyaWJlIGxpbnV4LXVzYiIg aW4KdGhlIGJvZHkgb2YgYSBtZXNzYWdlIHRvIG1ham9yZG9tb0B2Z2VyLmtlcm5lbC5vcmcKTW9y ZSBtYWpvcmRvbW8gaW5mbyBhdCAgaHR0cDovL3ZnZXIua2VybmVsLm9yZy9tYWpvcmRvbW8taW5m by5odG1sCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy91c2IvaG9zdC9vaGNpLWhjZC5jIGIvZHJpdmVy cy91c2IvaG9zdC9vaGNpLWhjZC5jCi0tLSBhL2RyaXZlcnMvdXNiL2hvc3Qvb2hjaS1oY2QuYwor KysgYi9kcml2ZXJzL3VzYi9ob3N0L29oY2ktaGNkLmMKQEAgLTQ0Niw3ICs0NDYsOCBAQCBzdGF0 aWMgaW50IG9oY2lfaW5pdCAoc3RydWN0IG9oY2lfaGNkICpvaGNpKQogCXN0cnVjdCB1c2JfaGNk ICpoY2QgPSBvaGNpX3RvX2hjZChvaGNpKTsKIAogCS8qIEFjY2VwdCBhcmJpdHJhcmlseSBsb25n IHNjYXR0ZXItZ2F0aGVyIGxpc3RzICovCi0JaGNkLT5zZWxmLnNnX3RhYmxlc2l6ZSA9IH4wOwor CWlmICghKGhjZC0+ZHJpdmVyLT5mbGFncyAmIEhDRF9MT0NBTF9NRU0pKQorCQloY2QtPnNlbGYu c2dfdGFibGVzaXplID0gfjA7CiAKIAlpZiAoZGlzdHJ1c3RfZmlybXdhcmUpCiAJCW9oY2ktPmZs YWdzIHw9IE9IQ0lfUVVJUktfSFVCX1BPV0VSOwo=