From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 80CA617AE0F for ; Tue, 6 Aug 2024 14:04:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722953044; cv=none; b=l6R5to3KFjYRC7UjdDMtaPO7ynVrOhXrj5b4KNFAzN/C+ja8x1QuJNkPfBr5uCMRVk777M18Dyzok1X5n/OG1FMfFO+76eE+a7nsXCdcn+BDOvRwsxbXRbwW3senSnVhee85GQ9ZamClE54azQdqJWZBH6H6TAxfxdvsFlp1Ruw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722953044; c=relaxed/simple; bh=/Ps1cxFDJDwB93ivToRFAhgNvNA6mzRCGx4Zywz3Bs4=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=CVuNPacNfH5Gk7u3PpWvMjsnDP3nL5Qz/UHL1gzZ/6SggDac/2AUuAE1sqFoWsV/1emykVbTIlG8yOtvu8/tabB+PfzRuKvTiEs3ja6sZvCRJjn1OikqLoc608lMNVVdlZkqrWtY1cjL3fTyi6T4ojvq5DodIMur/2B6ZKHAZAU= 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=209.85.166.72 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-io1-f72.google.com with SMTP id ca18e2360f4ac-81fa58fbeceso95832239f.2 for ; Tue, 06 Aug 2024 07:04:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722953042; x=1723557842; 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=JeTs+9g2FcNzCE+7zPc016IgJBgubaoWAC+L6LQS3yM=; b=X6y0+8PEQtKYq+acCQbxD3W7F2cizzUie9XMW0z4gI7SgCawihmti8dkO27u7aNWV7 1NUoaH2w1Lu1I6zYklNmGTZ1leF01OvQ206aE2wNMLQK9Jg701pFhhqj33qNCkDpn98N 6IyCTcBClhr+XWDSoB71Nm969x2wvzjmj2q2SJiEW4kcuyBynrhAqsENj5wlzilgXUvW FvhQzISSC6ZCg4ywz8P3P5EAy22iC3H4G4L8+/PxgjTAUry2ZWRZFLNB8BLBy96NKsyk 2raZEzOFD1wOXuoDvMTtdtkWPPAFoWeRYEIKF2/bnBg6zlkb7fCyMHzuC4vxPDrF+wpU yomw== X-Forwarded-Encrypted: i=1; AJvYcCXPvJSGJh4MONcn6i8OxKoCwCLQzFWHCvoAbxm+qi5o+oSY+WQxk9u18wqmCYFlkar7TZwjxMuMOq9Hau6DxTakn8N3oLvyOR9xFmwj X-Gm-Message-State: AOJu0YztU+Ye+0RHPI3OgacOB1oA7MXXMpoUtaExNiVLZoqbshv8cB1X bNoiW32N7shsuNLR2aEne0G4m+yzhtpdVV1uyCRuQIydAlb2Ojq7vFvuOAXZstOnOuVBthdc4LF Y5ooFLFiR7Xu1mCXhbbWLBIM/zBRrBVdOcc6n1W1rnlnickyH7RSKNrM= X-Google-Smtp-Source: AGHT+IGhiHVkBdM2WIkouN7z++Oqwp+PXOXRQCC1KN8QQAJb5sFHHyKrxXUXN9KThs43h0tOd4JbcynXQOP7G8gh3p/PPLZsM3a/ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:2392:b0:4b9:13c9:b0fb with SMTP id 8926c6da1cb9f-4c8d571dcd5mr303373173.5.1722953042372; Tue, 06 Aug 2024 07:04:02 -0700 (PDT) Date: Tue, 06 Aug 2024 07:04:02 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000e3d7e061f0444b7@google.com> Subject: Re: [syzbot] [can?] WARNING: refcount bug in j1939_session_put From: syzbot To: eadavis@qq.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+ad601904231505ad6617@syzkaller.appspotmail.com Tested-by: syzbot+ad601904231505ad6617@syzkaller.appspotmail.com Tested on: commit: 743ff021 ethtool: Don't check for NULL info in prepare.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git console output: https://syzkaller.appspot.com/x/log.txt?x=16ad9c8d980000 kernel config: https://syzkaller.appspot.com/x/.config?x=5efb917b1462a973 dashboard link: https://syzkaller.appspot.com/bug?extid=ad601904231505ad6617 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=11a0d48d980000 Note: testing is done by a robot and is best-effort only.