On Thu, 16 Jan 2025 07:01:40 +0100, Christoph Hellwig wrote:
> this series fixes two races in buffer refcount handling, that I've
> so far not actually seen in real life, but only found while reading
> through the buffer cache code to understand some of the stranger looking
> locking decisions.
>
> One can cause a buffer about to be freed to be returned from
> xfs_buf_insert. I think this one is extremely unlikely to be hit,
> as it requires the buffer to not be present for the initial lookup,
> but already being evicted when trying to add the new buffer. But
> at least the fix is trivial.
>
> [...]
Applied to for-next, thanks!
[1/2] xfs: check for dead buffers in xfs_buf_find_insert
commit: 07eae0fa67ca4bbb199ad85645e0f9dfaef931cd
[2/2] xfs: fix buffer lookup vs release race
commit: ee10f6fcdb961e810d7b16be1285319c15c78ef6
Best regards,
--
Carlos Maiolino <cem@xxxxxxxxxx>
