From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E00EAC2D0E5 for ; Thu, 26 Mar 2020 15:14:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C0AFB2073E for ; Thu, 26 Mar 2020 15:14:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727913AbgCZPOV (ORCPT ); Thu, 26 Mar 2020 11:14:21 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:37556 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727655AbgCZPOT (ORCPT ); Thu, 26 Mar 2020 11:14:19 -0400 Received: by mail-il1-f198.google.com with SMTP id z89so5707730ilk.4 for ; Thu, 26 Mar 2020 08:14:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=sMQYIcxP6s383S1Iv/2tUT3HdLMKF9nZyauaAtUzZEM=; b=dG+3wd6UrePuxL6cPNpSWlHktyrC7gvKsHIpXzfw6QM81mQskWpHsDT91xt/Dx4wNv OSxXotCqOj9iCzgbdCNSM9tTV1sAm96wE4tv11XMJf8QDHxCsZI9K3+zvnxv5Zkda9/6 vB7MpEztGZSomlNsbkR0/lv1+zg5lYAfgHPO45EjwgKMEMRYC23FKUtJx+bYddQbNnKU 7AnRhrvGmIx+HUw+CbohvEbscVhwKz9d8JJG/P9kTwi74wHQkfGkiBXdPBBpu2oPfDs7 8exCMI9x8C8uaFbZ2DxO4SaiogV0rjr7B7FDZwpbbKy6lzOUymMPQr5I4bsP2LL/U9/U meQw== X-Gm-Message-State: ANhLgQ2clKX7GZfIRRBh1/0SJZVW1XezCC8MjymJpnuzl8PCWLaRcAZ3 ninB3M8QNB1jgny+wU3wUOJygDZEi9O33Ai2rybYpyDW23on X-Google-Smtp-Source: ADFU+vuS4lXG57+YM3bVs1vgJ/z/JIV1Uy0m8cbiF4B/9amQkvgycJ+FyjmwTmZl6UYrFWNtSaercpmV9IAuTecdiZbttwsiBwdK MIME-Version: 1.0 X-Received: by 2002:a92:c9c9:: with SMTP id k9mr8765625ilq.307.1585235658914; Thu, 26 Mar 2020 08:14:18 -0700 (PDT) Date: Thu, 26 Mar 2020 08:14:18 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000055c12d05a1c3701e@google.com> Subject: KASAN: use-after-free Read in ath9k_htc_rx_msg From: syzbot To: andreyknvl@google.com, ath9k-devel@qca.qualcomm.com, davem@davemloft.net, kvalo@codeaurora.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: e17994d1 usb: core: kcov: collect coverage from usb comple.. git tree: https://github.com/google/kasan.git usb-fuzzer console output: https://syzkaller.appspot.com/x/log.txt?x=113938c5e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=5d64370c438bc60 dashboard link: https://syzkaller.appspot.com/bug?extid=666280b21749af5d36db compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13fdc1e5e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1507178de00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+666280b21749af5d36db@syzkaller.appspotmail.com ================================================================== BUG: KASAN: use-after-free in __wake_up_common+0x634/0x650 kernel/sched/wait.c:86 Read of size 8 at addr ffff8881cec10000 by task swapper/1/0 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xef/0x16e lib/dump_stack.c:118 print_address_description.constprop.0.cold+0xd3/0x314 mm/kasan/report.c:374 __kasan_report.cold+0x37/0x77 mm/kasan/report.c:506 kasan_report+0xe/0x20 mm/kasan/common.c:641 __wake_up_common+0x634/0x650 kernel/sched/wait.c:86 complete+0x51/0x70 kernel/sched/completion.c:36 htc_process_conn_rsp drivers/net/wireless/ath/ath9k/htc_hst.c:138 [inline] ath9k_htc_rx_msg+0x7c2/0xaf0 drivers/net/wireless/ath/ath9k/htc_hst.c:443 ath9k_hif_usb_reg_in_cb+0x1ba/0x630 drivers/net/wireless/ath/ath9k/hif_usb.c:718 __usb_hcd_giveback_urb+0x29a/0x550 drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x368/0x420 drivers/usb/core/hcd.c:1716 dummy_timer+0x1258/0x32ae drivers/usb/gadget/udc/dummy_hcd.c:1966 --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches