Re: [syzbot] [bcachefs?] possible deadlock in bch2_symlink
From: Amir Goldstein
Date: Mon Aug 18 2025 - 05:20:04 EST
On Mon, Aug 4, 2025 at 5:23 AM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
>
> On Mon, Aug 04, 2025 at 11:02:54AM +0800, Alan Huang wrote:
> > +cc overlayfs
>
> Sigh...
>
> 1) ovl_copy_up_workdir() should lock wdir with I_MUTEX_PARENT, same
> as filename_create().
#syz test: https://github.com/amir73il/linux ovl-fixes