From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) (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 3C72A1E5712 for ; Thu, 7 Nov 2024 09:53:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730973185; cv=none; b=aNrCvMzxFNfWjZ1g0mX2oAu0XKEtu/GMNcGaEsYQ1/dow4qZvQ+gHhjqmlwaWtAGniuS7h7vpCoEIIv/4i9MwDYGA0CV0bmQW5+Cqqg4RZ5T2OFc6K4FBalvdzAxJHxljVg1tmjRCegnvSzJu6nKLgCz15eVghYsMLrwvVCbNyk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730973185; c=relaxed/simple; bh=XMDBIwYQPHd5R9vNyekV6iYp1B/CaSl+IarBgLeMKVU=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=FfV23fYUkHKhbn5y4Vgcd3fFKMlLF9/JYqhFVmDmzOk4TskzuNZNAlm5OBYEciXLaGnV1zijl01EYZ3NKBJG7HIac4rbgPljfZcGtlrFMpWoQoHrpO7WtwMCW8uJusb7TFhukf7B5yJ5M/wlTeItelPaW+wM8IJGqOjFW/uu8AU= 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=209.85.166.197 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-f197.google.com with SMTP id e9e14a558f8ab-3a3c27c72d5so8984415ab.2 for ; Thu, 07 Nov 2024 01:53:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730973183; x=1731577983; 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=bXKnU3fR/5+OR/SypBfoX+HPT3kYxkoDPoQi2n6BjU4=; b=IwnloTlnSBP4Lp3wq3IHj0aOABWudLqTjA4jOE16V0yqjMDt48pfcRoIko4Yg3eVps Ev5GZ13GnXZQp4ML9evr7GRdBPaa5eUNlYzP4K7gNitNvJjMo+Riw8wLWEuDNTqpsiqo O5EAstovmO2GM4giFxSJ3OkGQKAlxqaC9t0prRIEN5srT2lZ9aDhb380xTaD+Dzn7AUe FdRBpxEa7ZT1tPGF3gUSjFNOc2kuGf5NW2BvQit73nFpRSAWPgCudQL/k0uanzVEBIjN 44agi+Ys1riOsjLVDUdjLd/KqNmmsjnHPMcgofuBRAlPC2XQ90cdWeIKuC0TOCEu1b8H LOVg== X-Gm-Message-State: AOJu0YzYtOAA02PmJL8ipQMSsYxgM5O1YgMA8EVvpHtidgrwG7xbQyFB EZtEqRCcNU+uIJYQfN7oowD0MCAwU7/1V7ED9WAZUZoWGH8HVEGcYInz/yw29SDoh+pqqtixOsf dHTdsYsFXDSIVsZ8mDjdn/OV4OTiDvDY/F1RMNqXffJrH5kF4zCL7w0U= X-Google-Smtp-Source: AGHT+IHmtmFU6faUropQaLtHq5hsNsjBvGNoAaUDecIB/auxcoEm67KbRmeFY7NAEmBYucO8xv6pzDo0LSteFTIzsaScLTK2act9 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:214f:b0:3a0:9cd5:92f7 with SMTP id e9e14a558f8ab-3a6b0384e88mr251728705ab.17.1730973183339; Thu, 07 Nov 2024 01:53:03 -0800 (PST) Date: Thu, 07 Nov 2024 01:53:03 -0800 In-Reply-To: <20241107093553.135565-1-lizhi.xu@windriver.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <672c8dff.050a0220.49393.0176.GAE@google.com> Subject: Re: [syzbot] [mm?] BUG: stack guard page was hit in v9fs_file_read_iter From: syzbot To: linux-kernel@vger.kernel.org, lizhi.xu@windriver.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: kernel panic: corrupted stack end in corrupted subreq: ffff88802e249680, 1async: 0, r: ffff888023be2d80, transed: 4096, sub req length: 16777088, retry times: 47, subreq consume: 0, subreq list empty: 0, netfs_read_subreq_terminated subreq: ffff88802e249680, err: 0, total: 0, transfed: 4096, v9fs_issue_read Kernel panic - not syncing: corrupted stack end detected inside scheduler CPU: 1 UID: 0 PID: 19770 Comm: syz.0.14673 Not tainted 6.12.0-rc6-syzkaller-gff7afaeca1a1-dirty #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: Tested on: commit: ff7afaec Merge tag 'nfs-for-6.12-3' of git://git.linux.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1195bd5f980000 kernel config: https://syzkaller.appspot.com/x/.config?x=c0b2fb415081f288 dashboard link: https://syzkaller.appspot.com/bug?extid=1fc6f64c40a9d143cfb6 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=17b00ea7980000