From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A41AF83CB9 for ; Mon, 29 Apr 2024 18:37:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714415825; cv=none; b=qsB1+GxtUF/757HrnU57XG9aSnduRXR16E6qnEYsY+9CDzTFFV03wNfXk39LtfcwvLex8aISirL5vPe9Eujc06RHZZyhaQMRi5PKelGZFGHRMq4ViR4L9kin4P2JAA+qpAwZ19AxDrtW7xosn8UBCAqp+JNDGwGwr2hVJVTwgCs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714415825; c=relaxed/simple; bh=VtpWIt2Cg10SpMJg2TSidcDR0e8buD5s+hNLaTrQo9o=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=GsfCOWwf+9mW1hR9pufUHpoo4RB5qfCg/Jt6LAoVy3EpyiPNO3XYKFoJjxUp5sDZZn7blv7imI60dCloMg9P3+JHTohfKBNuRpIXqekKpM8CcGhIINcgknZBqBHpso8JGiYe19iOKTCf/9c3SRqtCeh8KnSeciDKKRIxBRgAdfc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f199.google.com with SMTP id e9e14a558f8ab-36c4f83de66so11973115ab.3 for ; Mon, 29 Apr 2024 11:37:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714415824; x=1715020624; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=MujhuQRr+Zfbg9mAy/KHY5eP40BaRZQ7dzpBhYWyEFM=; b=PbrPRQpEIA9haDJbPWh0Iq10ZF7FcJnne7uaavsz/jvowszQ/TRCYUoKTmFF39z54F ItOFJqm1aBR+lf796tg5ZR+g/vnNDDSjw+ZDGV8DoL4lh7wQqI7+BujdsCPeDiYbsPPt uyFRYpEGLn4PoiFrUYUKAmzVGBUBbU88YZ23wgZ54Ua5qo4jxmOHvedfDBDmo8A8h1me SvDqv7kNYSFkqjQ88B50dsb8gV2oyCsTwrd5Zi/e+Gql4CkcQe0U3hWfEbUUZZV59bjt bkNbzgbIgbbqKBFEvR5Te6PNmVD7o0xSSmUB11lA+FItsc8gZhn4W2J2qhhOmQBmCJD+ MZDA== X-Forwarded-Encrypted: i=1; AJvYcCWFG/EpxeqH7/nib6VHcDBBxdh0YMOupQzodh671rSPhgPIm4gJnFXrmJExMwEWW5tBKoPgpRIP5J3BUcMvsxEZYIiYJLvFERvN8dvr X-Gm-Message-State: AOJu0YwRfkMFLfsnkjpEYp8qMC61E4moQKNtCfcFaFam2ssucqMRVrHj TZ4Iu+WiKFIygsMe0IKnIT9QuGdrhppuX371C50rKHNR1R7iML9mMoa2dOfwCuQaD5iFTURPb4Q 2BLmDKyMhPTI1yNyB/nKCZbIqRrVB/Mozo9lLYF3X6aQJ4Qcod66E0UI= X-Google-Smtp-Source: AGHT+IGz26Ea8EVfxmD7CYD1EYjaqOZ0tv4UBwYEaCP+dicgzHzlyyAYT0+U65N/8UcdrEHzAZFVltcTlujTmNGdSCUHHDgVF6KP Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:4117:b0:487:31da:eaf1 with SMTP id ay23-20020a056638411700b0048731daeaf1mr628996jab.1.1714415823840; Mon, 29 Apr 2024 11:37:03 -0700 (PDT) Date: Mon, 29 Apr 2024 11:37:03 -0700 In-Reply-To: <0000000000007e812306170008d1@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002d7a7f0617408af1@google.com> Subject: Re: [syzbot] [bluetooth?] possible deadlock in hci_dev_do_close (2) From: syzbot To: hdanton@sina.com, iam@sung-woo.kim, johan.hedberg@gmail.com, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, luiz.dentz@gmail.com, luiz.von.dentz@intel.com, marcel@holtmann.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 37dd04e4d59487c928bf3561e4bd3a045762eabc Author: Sungwoo Kim Date: Thu Apr 25 04:11:28 2024 +0000 Bluetooth: HCI: fix slab-use-after-free in cmd_sync_work bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14457fd8980000 start commit: bb7a2467e6be Add linux-next specific files for 20240426 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=16457fd8980000 console output: https://syzkaller.appspot.com/x/log.txt?x=12457fd8980000 kernel config: https://syzkaller.appspot.com/x/.config?x=5c6a0288262dd108 dashboard link: https://syzkaller.appspot.com/bug?extid=c55f7bc8d4809b2bad59 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1590bcf8980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1349ee9b180000 Reported-by: syzbot+c55f7bc8d4809b2bad59@syzkaller.appspotmail.com Fixes: 37dd04e4d594 ("Bluetooth: HCI: fix slab-use-after-free in cmd_sync_work") For information about bisection process see: https://goo.gl/tpsmEJ#bisection