From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 0F0B713B2B1 for ; Tue, 10 Sep 2024 18:43:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725993785; cv=none; b=Si3iExOoGYKUMbDHjwZ4MGxz65ZJTElfUjUrB4tXzPtk6n/ltbGBmomlS1mFknrp3PuLSxeQUsKEp81hK2aWbNRgvpibFmfMVK4X2mK67ynQmCtDg7drED5aoVR3G4h2GktSlbM56X91aaqTiS7NCA/4YriqL4PmMjELLo1+F5U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725993785; c=relaxed/simple; bh=QJz2+qd9pwzdqTsO888vAe1TULrvaPskQI/SG+nCCEQ=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=dx+j/eexK/6cOja1B6bGQffHE59Xs2phBL1/E+PNS3n+yqvxdf87T8v07yywo6UJMOVPWwmyzBXCFBaJFZBfmSPZ6wKFlF8cfBZUEViV25sD8j297S3VwBMqsAkIVxPq/1TDW7vj/7xaoVa8dIMOlgEGLwOyAEc8BCnKGPzsvLw= 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=209.85.166.198 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-f198.google.com with SMTP id e9e14a558f8ab-3a050af2717so24115545ab.0 for ; Tue, 10 Sep 2024 11:43:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725993783; x=1726598583; 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=VLBAk3ypWdU8hGWOq8zDO/0cDlT1FvBQWx+mS/lVnI4=; b=Jm3tLj3LF5zW6qO6dwKT0Z0DLujJ1AxmJUVveYsk4UDuEXEVIwpxBAQ1d7eRtpwATV s5SPGdJq+o+PYI/lM0PhRIzRsJMis0ya/pc/pVFAV35Rbf7PkB7oqzaql/4MBWJWwIR6 gnyShQA9gHLm4wpB40syFnmiDxZFo6bkYV4sYeYpD2pcgVQk/EQaDdRTtNiRFRMVB3MV 69S1gxwKc2exYgVm1cSYXx0Bj91saHpAJuFEFbk7JK8WDA9HVxgP0YfG3BM1e7Wqwpo7 v3PJ5yX7wL72LjWFj3LxMSr6Tgubg1M+nWPPvG7/vpWgrKKh9W9EJfeNpIAZRhHGY5KS FtZw== X-Forwarded-Encrypted: i=1; AJvYcCX+sf+nUYR05To+1ksEqEd0mNeVHBZAZs3/SzvRPg8P5tIK0BpeyweIoRTMsk7adszE0N3mHFVb+fzAY64/W4g=@vger.kernel.org X-Gm-Message-State: AOJu0Yz53bpOmKE3jVU/YxBb5n2bRWxiTU02XJpdzhe7evy+uFIxnNBr RFRbP81r1OsIY5Qekdyzrf+DTE9hHZ3nA7BOMqiQYybOnzlNl01zUX6BrMAqd7LGOxYOjatAchy kTYUMoKG5YjZgAf/Sm2X5lAILC/mWsX5v/0ZN3MmeZ52mRjVlC3Lp7pc= X-Google-Smtp-Source: AGHT+IG7GcQYG1RoCoerkBdfw2Sd5+jf8sy9YrgrCZJM2ThdZn0e3G8MdGnv1is+AGVrLtEfbfbGSdpYxxTicFF6bkfT3u7PzbOX Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:ca4e:0:b0:39d:254c:ece5 with SMTP id e9e14a558f8ab-3a074296270mr9157985ab.16.1725993783232; Tue, 10 Sep 2024 11:43:03 -0700 (PDT) Date: Tue, 10 Sep 2024 11:43:03 -0700 In-Reply-To: <000000000000d8f51a061ba88d22@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000559c060621c83e97@google.com> Subject: Re: [syzbot] [bluetooth?] KASAN: slab-use-after-free Read in l2cap_connect (2) From: syzbot To: eadavis@qq.com, hdanton@sina.com, 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 5af1f84ed13a416297ab9ced7537f4d5ae7f329a Author: Luiz Augusto von Dentz Date: Thu Aug 3 18:04:51 2023 +0000 Bluetooth: hci_sync: Fix UAF on hci_abort_conn_sync bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12477bc7980000 start commit: 788220eee30d Merge tag 'pm-6.11-rc7' of git://git.kernel.o.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=11477bc7980000 console output: https://syzkaller.appspot.com/x/log.txt?x=16477bc7980000 kernel config: https://syzkaller.appspot.com/x/.config?x=57042fe37c7ee7c2 dashboard link: https://syzkaller.appspot.com/bug?extid=c12e2f941af1feb5632c syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11da6f29980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1304189f980000 Reported-by: syzbot+c12e2f941af1feb5632c@syzkaller.appspotmail.com Fixes: 5af1f84ed13a ("Bluetooth: hci_sync: Fix UAF on hci_abort_conn_sync") For information about bisection process see: https://goo.gl/tpsmEJ#bisection