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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 6FA6CC433E6 for ; Tue, 9 Mar 2021 12:23:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 350F964F6B for ; Tue, 9 Mar 2021 12:23:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230046AbhCIMXL (ORCPT ); Tue, 9 Mar 2021 07:23:11 -0500 Received: from mail-io1-f70.google.com ([209.85.166.70]:54820 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230086AbhCIMXE (ORCPT ); Tue, 9 Mar 2021 07:23:04 -0500 Received: by mail-io1-f70.google.com with SMTP id n15so9986860ioh.21 for ; Tue, 09 Mar 2021 04:23:04 -0800 (PST) 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:in-reply-to:message-id:subject :from:to:cc; bh=M/RPd9O6HlovCufiu46RnKolcjArBQRjys4GfdnCY9Y=; b=Ah/PqrBt7Om8kdSgaocsIJCM6uu+DCKyzdvE2Ef7tmzjvwtmVJsSpGPjzsCf4n8uNM AjJCwr482ESPvObJFDNA4IxFKNgl1Cy3DBhR/A+0isEKsx2+uL0u6aZSGwfbZBawyCjR cc1yY8rk2quiTitX9iNfBok9cz2HsS4fiL0n1RqrI/G3sxkxJTgzcjJ2eQgihX4rUpTw C1zvsf7vj0ZWg0NA2qcGbWwEXTqUhPyyqLIRxsQwD7dbVpTMsR4uGee/1IjRUBGMcpoH YDlbdT3u2w+Ibne0JAh9q8NV2P1veN24vPn1UQRUPBIWJExrMc4cO7oOLz7RiHdz8ehJ 6RVw== X-Gm-Message-State: AOAM532u5xbigmxknrYL6++llkYe0TJSYlDAQskBOkd/WM2yi+iR+uJQ c63blZ8UGpXuVj90JWFOxm7e0EgdgODGcs+Uw3UnMBI5xc5k X-Google-Smtp-Source: ABdhPJyNbAfn3ELXKhDpYktoUJpXSgAh/3+Hi1LL95lbpxXNaGiAcRPJLwUHSCy+GbRzgi1MwgNPil0m+dAgNsZgI9LiYHTK9OvG MIME-Version: 1.0 X-Received: by 2002:a02:a90f:: with SMTP id n15mr28656031jam.110.1615292583929; Tue, 09 Mar 2021 04:23:03 -0800 (PST) Date: Tue, 09 Mar 2021 04:23:03 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ac694305bd199c9c@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in usb_audio_disconnect From: syzbot To: "'Dmitry Vyukov' via syzkaller-bugs" Cc: alsa-devel@alsa-project.org, kai.heng.feng@canonical.com, linux-kernel@vger.kernel.org, perex@perex.cz, syzkaller-bugs@googlegroups.com, tiwai@suse.com, tiwai@suse.de Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On Tue, Mar 9, 2021 at 12:38 PM Takashi Iwai wrote: >> >> On Tue, 09 Mar 2021 12:32:18 +0100, >> syzbot wrote: >> > >> > Hello, >> > >> > syzbot found the following issue on: >> > >> > HEAD commit: 4641b323 Add linux-next specific files for 20210305 >> > git tree: linux-next >> > console output: https://syzkaller.appspot.com/x/log.txt?x=103252ead00000 >> > kernel config: https://syzkaller.appspot.com/x/.config?x=b87b6a083d302a90 >> > dashboard link: https://syzkaller.appspot.com/bug?extid=ffad4c74b3b3ea3aa9c3 >> > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1122d35cd00000 >> > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17f6476cd00000 >> > >> > The issue was bisected to: >> > >> > commit 9799110825dba087c2bdce886977cf84dada2005 >> > Author: Kai-Heng Feng >> > Date: Thu Mar 4 04:34:16 2021 +0000 >> > >> > ALSA: usb-audio: Disable USB autosuspend properly in setup_disable_autosuspend() >> > >> > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=166d91ead00000 >> > final oops: https://syzkaller.appspot.com/x/report.txt?x=156d91ead00000 >> > console output: https://syzkaller.appspot.com/x/log.txt?x=116d91ead00000 >> > >> > IMPORTANT: if you fix the issue, please add the following tag to the commit: >> > Reported-by: syzbot+ffad4c74b3b3ea3aa9c3@syzkaller.appspotmail.com >> > Fixes: 9799110825db ("ALSA: usb-audio: Disable USB autosuspend properly in setup_disable_autosuspend()") >> > >> > usb 1-1: USB disconnect, device number 2 >> > ================================================================== >> > BUG: KASAN: use-after-free in usb_audio_disconnect+0x750/0x800 sound/usb/card.c:918 >> >> This must be fixed by the commit that was already merged to sound.git >> tree today: >> c5aa956eaeb0 ("ALSA: usb-audio: fix use after free in usb_audio_disconnect") > > > #syz fix: ALSA: usb-audio: fix use after free in usb_audio_disconnect I see the command but can't find the corresponding bug. Please resend the email to syzbot+HASH@syzkaller.appspotmail.com address that is the sender of the bug report (also present in the Reported-by tag). > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/CACT4Y%2BbWYQu3h8pJaX4GS1JdJpPheE416TJH4%3DK5zOaseAH4Fg%40mail.gmail.com.