Re: [PATCH v3] loop: Fix NULL pointer dereference in lo_rw_aio()

[Qu Wenruo]

在 2026/6/2 01:59, Brian Foster 写道:
> On Mon, Jun 01, 2026 at 04:40:34PM +0200, Christoph Hellwig wrote:
> > On Thu, May 28, 2026 at 07:46:24PM +0930, Qu Wenruo wrote:
> > > > e.g. 9c7504aa72b6 ("xfs: track and serialize in-flight async buffers against
> > > > unmount")
> > > Considering the xfs fix is pretty old, it's before the fix hint thus no
> > > such mention in fstests.
> > >
> > > Do you happen to know which test case is for that fix?
> > > I'd like to adapt it for btrfs as a reproducer.
> >
> > No.  Adding Brian who authored that commit.
>
> I haven't followed through the full thread here... But if you're just
> looking for an existing test case associated with the commit above on
> XFS, I did some quick digging and xfs/311 is the original reproducer for
> that one.

Thanks a lot! I'll use the same delayed umount to verify the behavior of 
btrfs.

Thanks,
Qu

> Brian