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b=JT/sppwUNCEHJjKil//r2ksy8E06Pkipapw9rLPxtXcIDxrptv52a172y7F3337Bw ODvH+9uY9TPCVeQ/pYmN7LT15z5nVq+VCYoCCQsHHctNTRE5SztLgG+TANFPJWCGMT WH2hJ5k6zWULBjOK4sqTWfGCZdDRkdzwlIqG55Hs= Received: from pek-lxu-l1.wrs.com ([111.198.228.140]) by newxmesmtplogicsvrsza7-0.qq.com (NewEsmtp) with SMTP id 4A9236EB; Thu, 21 Mar 2024 11:18:41 +0800 X-QQ-mid: xmsmtpt1710991121tnvyk21kg Message-ID: X-QQ-XMAILINFO: M5WvXNp9ZPrQqp2hrqdfAOiKfuaGMJkB2PvE4B1HNqQsKwGf753UnOcJSDG9kA uOPl2wzgpG73FxU8/MqHm9uYG2PXc/s85BLy0AopL4vcsHayhjalgPMrgCYf+NfDz+V7S88iwrCw LsEpP9bH1NbnFKVeFzzQNdSuFcmcrjaUfuEF4S4s2C+J+icl8zCEfv83ABpjV6UaDbpplplQSF0p /aiifv5bImiJYEeYTr7EXYCHvxpZ7ckJ2KQ2Ohjl60bIJmqPRSSxqDPWK/osK1zB49KAvaRQCLeS u/7mVOMYft9nSRd1ztZcPWYg4ZFjiE0I8WDThDLHakN/MG4pnnf8EnfdK0giUsXWXkkfAhlETGNT cAxF4gK3HUMSkUd+lrqR3v5DdLI38CnYYnhMOPEf6BTULvknObqoVGukwVk7s7qFYFrOa6ccLn69 iwlkSIO7LWs/fp+5DQhUTdtfRmUdZn0iTSpMEA4Ji/K+AyhFBcMB+XKOeqqSyQYdW7O9hs2CjYDb A0q1bDiVSU+rTB1fYk52cBQRoXnx4JiNfveeaOawTv6d8mQfpxLm+Ii+JwKYaC5lXiODQixUiWyB B5ZeMiUuWCniYG2xQRmAHPYJfRdpxbZekeSdHEJi0cB74FNxYRa/0qQTLaykMPz+JyB820F4GD+c QObqN+q4q4fjSlz06hqfuLp+6+lobOfNfwAQosoo23TMmXd5wUGdnlWIlxUvbpPMCwlL23bKmguK wEdvc8vhSo8V45SYtix1c2T7GxRB79iUcQBfB09oLOfut1Rp11h6U7NVRbS8pVrylAiS/2IHCanu j0MYVahTDQRq7bSLgspwI8r6EzD+pRtNO0sGqSUTSeUbyDE4sPg8HpThwKbOReBqnAnaUt9hJS2h EJyJNOvVAUrB68stB4KEtcZy/E8xpLKcZuYFN7akbRTJfL0Uwo7ncR7k1l4mTyv+46kI3zO5e/RT /5H+xJQPnOnQSvMhHx/9A6MxxAVBAMUg0KduNxlSwWFQf2C8/qQSnOkN9CSoQfxjmQvFKmKO3DfR /1oxfKspiWpl0tUh22 X-QQ-XMRINFO: MSVp+SPm3vtS1Vd6Y4Mggwc= From: Edward Adam Davis To: syzbot+93cbd5fbb85814306ba1@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [wireless?] [usb?] UBSAN: array-index-out-of-bounds in htc_issue_send Date: Thu, 21 Mar 2024 11:18:42 +0800 X-OQ-MSGID: <20240321031841.1890167-2-eadavis@qq.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <0000000000004e41110614187d35@google.com> References: <0000000000004e41110614187d35@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit please test oob in htc_issue_send #syz test https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing diff --git a/drivers/net/wireless/ath/ath9k/htc_hst.c b/drivers/net/wireless/ath/ath9k/htc_hst.c index eb631fd3336d..0d1115d1cc29 100644 --- a/drivers/net/wireless/ath/ath9k/htc_hst.c +++ b/drivers/net/wireless/ath/ath9k/htc_hst.c @@ -295,6 +295,9 @@ int htc_connect_service(struct htc_target *target, } *conn_rsp_epid = target->conn_rsp_epid; + if (*conn_rsp_epid < 0 || *conn_rsp_epid > ENDPOINT_MAX) + return -EINVAL; + return 0; err: kfree_skb(skb);