Re: [syzbot] kernel BUG in ext4_do_writepages

[Baokun Li]

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