On Sun, Jan 19, 2025 at 10:21:41AM +0200, Leon Romanovsky wrote: > From: Patrisious Haddad <phaddad@xxxxxxxxxx> > > Prevent double queueing of implicit ODP mr destroy work by using > __xa_cmpxchg() to make sure, this is the first and last time we are > destroying this specific mr. > > Without this change, we could try to invalidate this mr twice, which in > turn could result in queuing a MR work destroy twice, and eventually the > second work could execute after the MR was freed due to the first work, > causing a user after free and trace below. > > drivers/infiniband/hw/mlx5/odp.c | 25 ++++++++++++++++--------- > 1 file changed, 16 insertions(+), 9 deletions(-) Applied to for-next with the change I noted Thanks, Jason
