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 551103FE23 for ; Mon, 12 Feb 2024 17:10:03 +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=1707757804; cv=none; b=Wb1A4DuTz2nWlJ29jR6jBgcQtklAnMF2l9+pDJ2ns91mYDS7ing/+6+a+doJ4BctpqXLerTiDzYrbdHiBkoQ/UAuSxsY7hYf4JETP/QByyPjvnR0DsVFWxe5JikKP2bbBwBZOIEzHL5Z9AY/yjyx2OpN3GDvp4/iDKl8DPwOAhY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707757804; c=relaxed/simple; bh=dhs5X453QuebkxZokUrCXDu80prHk7y1bR8rbGRUZR0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=j29ObNVabsMSYhwq4SYf4XfsQpWhM13YQb8tjsL9MybF1AUx0bnXVJ3N7nHa1mkYzeNRZt4mu3k6JVYHAsDCkYwwXUKYewQ4QnkD2TTc34ZMYuP0yZGUrf3iLfLEbGga2hdprtOxQeoIUna3L7eygnz1rkMQpO7Drtt7GwK+fjw= 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-7bff2d672a5so287020239f.0 for ; Mon, 12 Feb 2024 09:10:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707757802; x=1708362602; 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=syTmq/2+cHOps7ocoSA0QeSIKj9tzYgPgaLcLXmYLsE=; b=OptbIwGGTdwLAZI0qbwz69EBent6LgfnsrkJ7mtVE6y/LLWX2VpBJ8T17LGFYDdMgy 6yGNOM3AYWQGYzrp68dJMA0W6rmCJJ/Y5sPI7GFfkMKckD3NVPKF2RlHEfAVvHWoiafj 8GH4fWiku4Wj9jiaoTi66S3VO/1ZJmJlAGrZfQerYtAAXTbFIWhl0JSib/VALBHNx11U IlmO2VJ5uwqHKjDtM3yeCNEwPm1UUVhdvsErvFleRu7jGmGrUA8SW0GGG74KuJAkx04E Euh8UAmgq5Lyx9BU2DHCtbBePR+0M3qfWvowUOZEZkIvRjEjBKeDh9InxxAkTW0Y9YH4 JfDQ== X-Gm-Message-State: AOJu0YxliuhVnqUlnvPdVaYIqRmEWjIsL6mBZn5iLu9RiBqWHq3aiYqC CaGKsToMli183LvAwgyzywGk2Zc5SoF8YdncNtOKbaVhkLFTLp2+fnmG8yrV0eaqK7FLwEjJESC lf2TBT5OhuB27db7pUfjlfv4pDAbTqzocFfq+/v2tdGZnxd1r5R8LR2I= X-Google-Smtp-Source: AGHT+IFh4xAKDFcF47AC6TVZkIoj6iiFG392km/BapfaiHws2vqiNSlClhwZVgg+/uCSguLJAtaKS6ls2o03UbZ7vB36MylGOvZS Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a6b:7108:0:b0:7c4:6e52:ec1 with SMTP id q8-20020a6b7108000000b007c46e520ec1mr7560iog.2.1707757802567; Mon, 12 Feb 2024 09:10:02 -0800 (PST) Date: Mon, 12 Feb 2024 09:10:02 -0800 In-Reply-To: <0000000000006bf22a060e117a8d@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002f3fba0611325902@google.com> Subject: Re: [syzbot] [fs?] [trace?] BUG: unable to handle kernel paging request in tracefs_apply_options From: syzbot To: eadavis@qq.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, mathieu.desnoyers@efficios.com, mhiramat@kernel.org, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com, torvalds@linux-foundation.org Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit ad579864637af46447208254719943179b69d41a Author: Steven Rostedt (Google) Date: Tue Jan 2 20:12:49 2024 +0000 tracefs: Check for dentry->d_inode exists in set_gid() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17659d24180000 start commit: 453f5db0619e Merge tag 'trace-v6.7-rc7' of git://git.kerne.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=f8e72bae38c079e4 dashboard link: https://syzkaller.appspot.com/bug?extid=f8a023e0c6beabe2371a syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1414af31e80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15e52409e80000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: tracefs: Check for dentry->d_inode exists in set_gid() For information about bisection process see: https://goo.gl/tpsmEJ#bisection