linux-kernel - Re: [syzbot] kernel BUG in ext4_do

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Message-ID: <3dfcb3d0-0461-42c8-a60d-5bfa4b65026a@huawei.com>
Date: Sat, 20 Jul 2024 10:57:46 +0800
From: Baokun Li <libaokun1@...wei.com>
To: syzbot <syzbot+d1da16f03614058fdc48@...kaller.appspotmail.com>,
	<adilger.kernel@...ger.ca>, <jack@...e.cz>, <linux-ext4@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <syzkaller-bugs@...glegroups.com>,
	<tytso@....edu>, Baokun Li <libaokun1@...wei.com>
Subject: Re: [syzbot] kernel BUG in ext4_do_writepages

On 2024/7/20 0:11, syzbot wrote:
> This bug is marked as fixed by commit:
> ext4: fix race condition between buffer write and page_mkwrite
>
> But I can't find it in the tested trees[1] for more than 90 days.
> Is it a correct commit?
Sorry for the confusion！

This issue does not have an available solution so far, so as Honza
mentioned before, mark it as unfixed.

#syz unfix

Regards,
Baokun
> Please update it by replying:
>
> #syz fix: exact-commit-title
>
> Until then the bug is still considered open and new crashes with
> the same signature are ignored.
>
> Kernel: Linux
> Dashboard link: https://syzkaller.appspot.com/bug?extid=d1da16f03614058fdc48
>
> ---
> [1] I expect the commit to be present in:
>
> 1. for-kernelci branch of
> git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git
>
> 2. master branch of
> git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git
>
> 3. master branch of
> git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git
>
> 4. main branch of
> git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git
>
> The full list of 10 trees can be found at
> https://syzkaller.appspot.com/upstream/repos
>