Re: [syzbot] kernel BUG in __ext4_journal_stop

From: Aleksandr Nogikh
Date: Wed Oct 04 2023 - 05:57:54 EST


On Wed, Oct 4, 2023 at 10:49 AM syzbot
<syzbot+bdab24d5bf96d57c50b0@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> This bug is marked as fixed by commit:
> ext4: fix race condition between buffer write and page_mkwrite

There's been such a series, but it apparently did not get through.
Let's unfix the bug, syzbot will either do a fix bisection and find
the actual fix commit or auto-invalidate the bug.

#syz unfix


>
> But I can't find it in the tested trees[1] for more than 90 days.
> Is it a correct commit? 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=bdab24d5bf96d57c50b0
>
> ---
> [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 9 trees can be found at
> https://syzkaller.appspot.com/upstream/repos