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 627AD13C9A4 for ; Sun, 13 Oct 2024 12:09:03 +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=1728821344; cv=none; b=Fk44laPpPjFe8kI7B1MX474x1SpYAi9dWKAkWpSEeKEyxF4yOZfH7BDlswwzVzbHdFySPePM1j1sRp6/81DSf41/gPt2G/6jUz+zqP3Y8ueXOa6IArYUDKtwAJf50K7NxcaaFZ/tXFsYEbOJMhiOzxhCXPKgFO+1TT8WcYL0i3Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728821344; c=relaxed/simple; bh=1//wjsvC56hpGTmDuUZ2T4oScL4MK6KvU3Wv/21Pn9U=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=bNnneS5TIPo8Dgy72NWNty6vpsuW+iEAl0Y1Xnza1glEwW1lNB3Olz6MAtMYpw1AfCsHBjsogk42HVNFjwBf4/p5Af0u2NSXbFT7rYyHnZ1J6R1UU8uZ5znL2ZHDBxqxIopFqThnAon0ei+1gLkXqcMs4Xy4YtzAycdPDfgcdZw= 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-3a3c9886eccso1938755ab.2 for ; Sun, 13 Oct 2024 05:09:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728821342; x=1729426142; 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=gH0baQP6BUi4dgqAeAGb6JNew30La5RpjGfm2LRlP8s=; b=csXTA0D4SM/nw/zASlgCwPhdw9lQUAAAsOH8o5MJNifaC7pO9d6kQxOnzeRmSC/8Mn tFkK6h1sKrNy7QudsAIgJfevznOH6RfDYctyRBnOZSJxs6P5tSrNG6KoEFOtTLAavNua wyLe5TYOTWN6i2CprZVT9vSB4RhVmJSMxsFc4hHV2n2f4vgtBTLUBw47kAeWKO9bfXNG UYJDP6+NweHHCGR5PLfjbGg8G/l7xUwaiA41zx1gn3qYVDBHk2vplcB945V/DJ6WtLQX VO1/m12i+PYhYjSNIVy1Ew472Pzfbh1e94GYCHZMZz34EFQh89Ip5fR+3PjcD5Ulkb5k rnfw== X-Forwarded-Encrypted: i=1; AJvYcCVAFTC6Q/Tojduf3guTW0+OfRreXJDwaayhagSwr0bLelxbxzHINIsX0oHyF7+bET46c2W8MTYjQ8a/0Lc=@vger.kernel.org X-Gm-Message-State: AOJu0YzXC5cwdE8nWjHLlGeB4rqRmg8tcF+Y9tGUbzuUtI0pme1bywE9 p7n0J+zJ+AXH7hpLWheA8Q+N7mWUI68hT5uveGQlYoyUXuyQnDnOxDscSv9krQh453D0H3aA4qC mrEdAxyNt441wgwIqOYr+az5oRwVHNekpe0iHAqfxKfR/aJn8fdwgorw= X-Google-Smtp-Source: AGHT+IF/PQtax4BS4UuOZQYDSpFuOwh/Ub4zyOY+zZbI0lfBW9YcyDGFYqECkoz/W0ode9TC7Z9zGRA0iZ3Vf1KoBOKAGXdSVFMo Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1b05:b0:3a0:4d1f:519c with SMTP id e9e14a558f8ab-3a3b5f78525mr68063645ab.3.1728821342534; Sun, 13 Oct 2024 05:09:02 -0700 (PDT) Date: Sun, 13 Oct 2024 05:09:02 -0700 In-Reply-To: <0000000000004b09b90621e1e9e9@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <670bb85e.050a0220.3e960.003d.GAE@google.com> Subject: Re: [syzbot] [kernfs?] possible deadlock in kernfs_path_from_node From: syzbot To: akpm@linux-foundation.org, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, mhiramat@kernel.org, netdev@vger.kernel.org, rostedt@goodmis.org, syzkaller-bugs@googlegroups.com, takayas@chromium.org, tj@kernel.org Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit b6273b55d88539c6a7127a697c61d3f89c5831fe Author: Takaya Saeki Date: Tue Aug 13 10:03:12 2024 +0000 filemap: add trace events for get_pages, map_pages, and fault bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10f59087980000 start commit: 8a3f14bb1e94 libbpf: Workaround (another) -Wmaybe-uninitia.. git tree: bpf-next kernel config: https://syzkaller.appspot.com/x/.config?x=eb19570bf3f0c14f dashboard link: https://syzkaller.appspot.com/bug?extid=0772686ab2731ef3b722 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10aa1ffb980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15b1abc7980000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: filemap: add trace events for get_pages, map_pages, and fault For information about bisection process see: https://goo.gl/tpsmEJ#bisection