From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1469CC77B73 for ; Tue, 2 May 2023 02:52:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232681AbjEBCuY (ORCPT ); Mon, 1 May 2023 22:50:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231397AbjEBCuW (ORCPT ); Mon, 1 May 2023 22:50:22 -0400 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 97ABB3AB8 for ; Mon, 1 May 2023 19:50:21 -0700 (PDT) Received: by mail-io1-f71.google.com with SMTP id ca18e2360f4ac-7639ebbef32so470866539f.2 for ; Mon, 01 May 2023 19:50:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682995821; x=1685587821; 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=VtgYAOm4mEvO4wck6c4SokUyB0mN/mF2sqtpCYuKcws=; b=CU+92NAy4ZSyTs5djgos5cJT+MdW3AC79KxqgrkKVjtf6/5UvNMcT50iyqFP8KV6dv dwksCxPTGI6+wxc2qEuYwZt0k5chKY/MQVVSZ8KtRky0muiHrBpJL2u2JDpuNXejJnTp spJOtVCTSrnH4Eu3g//vy8hfyum0S1WUPzfVe6qDlfdLntoqkIf7netzhYWBizK9MCxI gTMw6wPwgSZLSmYXNcWP4k8A17VES68zpotBSDsFcNqRE6CpKqgTLcRrMHx9OeEFA7Yw lVW4M6jI4kcsct5ZKz66PIGqfsKcnLUVFoKR+hi9R8JXAQ4MHfmHMe0eZ3L84kzFonh8 lERQ== X-Gm-Message-State: AC+VfDzBjcKGPHLqP7HRxpGOUvvdF7wMlnPWamEKBhvyMnv6xZZHZoEG HxZYE8pTLfczC0dPBD+WZWlzi7pcI5au6peg/hyLz74347x0 X-Google-Smtp-Source: ACHHUZ7mFH7s2jke2+ezG8hvV58qOIeiBILQTJlhtJPbw9L9a666QwHasIhNO+b6WSR1/rI9Sh4oWMI4VYnrtlBtOXJLe/xcf/hS MIME-Version: 1.0 X-Received: by 2002:a05:6638:2152:b0:40f:9c3a:8ce2 with SMTP id z18-20020a056638215200b0040f9c3a8ce2mr7027825jaj.5.1682995820941; Mon, 01 May 2023 19:50:20 -0700 (PDT) Date: Mon, 01 May 2023 19:50:20 -0700 In-Reply-To: <20230502022438.3394-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000010daaf05faad0056@google.com> Subject: Re: [syzbot] [kernel?] BUG: unable to handle kernel NULL pointer dereference in tty_write_room From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+4e24c3e417773c914ee4@syzkaller.appspotmail.com Tested on: commit: 58390c8c Merge tag 'iommu-updates-v6.4' of git://git.k.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=136a4928280000 kernel config: https://syzkaller.appspot.com/x/.config?x=5eadbf0d3c2ece89 dashboard link: https://syzkaller.appspot.com/bug?extid=4e24c3e417773c914ee4 compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=14758e2c280000 Note: testing is done by a robot and is best-effort only.