From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) (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 B8C1222A7EB for ; Thu, 12 Dec 2024 17:45:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734025508; cv=none; b=id/Z5IwjYiuisJWa1+Bd/eIZqzfPy2vGxljCIc7bZUcWqf8soQsgXChNyun9DJjju9jdsq2dELpqWc+cQXBcIrFAyjrsD9hQY6IOgHzGVGLHF46X0W6BSQdce5Fqf0K0dN1cnkiz9SzNYXsHoDHhQAb5Ijf4HHrH7boSOUJ6vZY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734025508; c=relaxed/simple; bh=x1ebds0A4ITC/sm+Dhq6yB36jb9JvMNqJd8QRz/f0UA=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=AqOu1nxOOCeqdln5swQQggkatZs/TkLCBoKq9bD0iI1R+pAhHZud9Tle/ElKZR4hhWZ6DqbNyFU9eBHEcrYEwwkHBcME6GE1MlI4CYAc6slCVzSV5WfVFCNiNA6m71QJLCeeoaDnV78+zQ6lYzdDHqtseAMSwWPzVtdLaj8aTgM= 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=209.85.166.70 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-f70.google.com with SMTP id ca18e2360f4ac-83e5dd390bfso176378139f.1 for ; Thu, 12 Dec 2024 09:45:06 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734025506; x=1734630306; 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=c9t3S6ZRkXGObRSWAZmUeXYAxsnGMHk+WsD4ydDf2ek=; b=paYMDCgXMV4ARPcBniw1OHmReqNDndwzdZg7L/PgN6z8z1LwWIZtcUyXwOidGmyixi rbpZPG0fu+eBo5bWclGdIKFH46ZxO9SdFKn9N7vBAOso5Z3FQr/ukL+r7/O4gngnVUdq 33PXY228165FUVpsRFnYq9m77EevVUsm80AjtI3U4jAxa1XIzZJXctSBZoD7H8Y6ZZY+ IW3mQHOu35UAZNnlNYlCVYHzrpyjfj8o9vFb7zEzaKiz7nDVWFUNNnQeFZXQ5IrdnO9f VNE1/Kakeox4xJEVSv0H0jolVOMzrMlz6CrzFeq/0bduzrfiLmJq1ffkgD7pnYs9vdAN 8x8A== X-Forwarded-Encrypted: i=1; AJvYcCXAcnzFyYfzZoPccS2697JieNyHpzPl61VRHjNj4r+bqDilNRxkE7HPyFbdH5sepuci2cZKtOCAv+CUkNA=@vger.kernel.org X-Gm-Message-State: AOJu0Yzb+/kvhWK/gIVYaRdRHhJOhUqnztjQlXOZWbThLv2xr5tE62Ei SSQTykGw2UGoiYVXoIjFu6RxBg61GIoG7sTdflxz0PiaxtEuoO89H+6LWV763YOKvOZxqRZA/x3 zgyrZ/NqSYOOtXEAtbFtutmTs8BYrYMG+xXxhRB7+W7TOnYj/kEyd/8w= X-Google-Smtp-Source: AGHT+IFyhqpCEOPaBtPLeyRhCBLjPnw/q0ZWAxsE8A0uMBNj8BNOxBHZWHwKTp3EUDpHiFfCRczfjGZ7TqiHyu2YzErDFUsi3/e3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:152c:b0:3a7:e786:afb4 with SMTP id e9e14a558f8ab-3ae6f50f3eamr11184075ab.2.1734025505568; Thu, 12 Dec 2024 09:45:05 -0800 (PST) Date: Thu, 12 Dec 2024 09:45:05 -0800 In-Reply-To: <674f4e43.050a0220.17bd51.004e.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <675b2121.050a0220.599f4.00b6.GAE@google.com> Subject: Re: [syzbot] [exfat?] general protection fault in exfat_get_dentry_cached From: syzbot To: Yuezhang.Mo@sony.com, daniel.palmer@sony.com, linkinjeon@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, sj1557.seo@samsung.com, syzkaller-bugs@googlegroups.com, wataru.aoyama@sony.com, yuezhang.mo@sony.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 8a3f5711ad74db9881b289a6e34d7f3b700df720 Author: Yuezhang Mo Date: Thu Sep 12 08:57:06 2024 +0000 exfat: reduce FAT chain traversal bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17851be8580000 start commit: f92f4749861b Merge tag 'clk-fixes-for-linus' of git://git... git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=14451be8580000 console output: https://syzkaller.appspot.com/x/log.txt?x=10451be8580000 kernel config: https://syzkaller.appspot.com/x/.config?x=df9504e360281ee5 dashboard link: https://syzkaller.appspot.com/bug?extid=8f8fe64a30c50b289a18 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10bfbb30580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=124e7544580000 Reported-by: syzbot+8f8fe64a30c50b289a18@syzkaller.appspotmail.com Fixes: 8a3f5711ad74 ("exfat: reduce FAT chain traversal") For information about bisection process see: https://goo.gl/tpsmEJ#bisection