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 A322E81720 for ; Mon, 12 May 2025 15:24:04 +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=1747063446; cv=none; b=lCcc8gOLqOy+jsK3Fp2k0U0LTtWrarlSYmLKOv7dW/B2MpS5yiT9b07GOgEX14KWQNGJEWB8J0CpDxDJXThynv/CL7dnLodQwXj64VQt03KQeSlRrjbUyHI8ZskkN/0dBZ1OZQX0f62uuJZafVS/yCtbX0+PZIdF12zxT7M3Bxc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747063446; c=relaxed/simple; bh=H0DDwxrK4nk014vG2Rrw9izMLB2qZ9CfadQdCTvwcJQ=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Xwv2Ag9L5uzBE840iNAalhCC/OXyq57d1K3EH3V2DtTcJLIoWo+Nk6YVBYXUluEHxDChUVAQm0rROzZpEsxThqxL0s6jdeKTR98Afvu1+8c2HD+W3BzC/s4voHJUfRAUPHeqJDPJTI2Ye9WUcHAVxj3jk6OPgNliTnQcB0RnCcQ= 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-3da6fe3c8e7so51835715ab.3 for ; Mon, 12 May 2025 08:24:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1747063444; x=1747668244; 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=ZmZA9Uj9z247LJvGyARI22vNBWgiru+KG5DXuI+cuLw=; b=JTQmXC87GbQR5m7NsbIhJDCf2GblG/7r8AqN+VwBglX6fH/CjZW6cnrmqmq9yl8bAz bGDU6phtO7vXlOAsB/2rE/BVmmPPIevyqsuGzJMwcq3g+ACYuUiNzh0U5ejNTiX/jB16 wonLhNn4kx49waN0tpexKiwRall3aoAZVuqdYRHCbx9cFtO9pb4HZcLSIJ2LdQyA35RT PRwu2J0o1O0jr6XnsY1g9wQZD1PJ41cK9CIs3Ygozf1o1kejdSN6WqSUaaI9x5FCrXpz 0mv0vW/l6/3NMhH7FNUwYaAKNX+qDbU37Fse5+0HTvfPu0eZZbMEvJaf2uOvSmy9AgvJ 8hvw== X-Forwarded-Encrypted: i=1; AJvYcCUXZlnk5ej3UNJZEhqInkiPA9lTkOWYavvtmHJ83PVEF6IgykXSPrKdtN4fYMoV+ycf7nWapMGPWA==@vger.kernel.org X-Gm-Message-State: AOJu0Yy2mWZXuWn5HijG7tLQulxBYZHgfk9ZSJMsMPG3ECGZ7Ay/vijC wwJvKXunko0/B4RkxTnVY3H2rd4vxrS4R81+Q30n62EtuHc/Mkm6zaIE+Xg3ExEMuZDjs470yhN cpGdaVtHSf1FbFr1qCN/HN3kN+XV+wp0rtzO1MJd4wLPnVF5qs4bM0Dg= X-Google-Smtp-Source: AGHT+IHu0Dta9/E7nRFPcyxr7oyq3qbqYdYtoC7Z89KJRIQJ3EjxyX5ClU0EGCzh4poDNIDgPJdtUW+g/kURo8K62UjQCfEKu2wf Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:c26d:0:b0:3d9:64e7:959f with SMTP id e9e14a558f8ab-3da7e217255mr169104815ab.21.1747063443783; Mon, 12 May 2025 08:24:03 -0700 (PDT) Date: Mon, 12 May 2025 08:24:03 -0700 In-Reply-To: <89a530de-83a9-498c-bc8b-844ed0d183a7@kernel.dk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68221293.050a0220.f2294.006a.GAE@google.com> Subject: Re: [syzbot] [io-uring?] BUG: unable to handle kernel NULL pointer dereference in io_buffer_select From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, 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+6456a99dfdc2e78c4feb@syzkaller.appspotmail.com Tested-by: syzbot+6456a99dfdc2e78c4feb@syzkaller.appspotmail.com Tested on: commit: 5a479bcf syztest git tree: git://git.kernel.dk/linux.git syztest console output: https://syzkaller.appspot.com/x/log.txt?x=108f92f4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=a2f09b26321f0ad5 dashboard link: https://syzkaller.appspot.com/bug?extid=6456a99dfdc2e78c4feb compiler: arm-linux-gnueabi-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm Note: no patches were applied. Note: testing is done by a robot and is best-effort only.