RDMA/irdma: Fix a window for use-after-free
authorMustafa Ismail <mustafa.ismail@intel.com>
Tue, 5 Jul 2022 23:08:13 +0000 (18:08 -0500)
committerLeon Romanovsky <leonro@nvidia.com>
Mon, 18 Jul 2022 07:39:57 +0000 (10:39 +0300)
commit8ecef7890b3aea78c8bbb501a4b5b8134367b821
tree9cc5881afa272c944491b62923d12b78f5313e6a
parentc8c7c0758101b393017614352b6f07be6b8e6396
RDMA/irdma: Fix a window for use-after-free

During a destroy CQ an interrupt may cause processing of a CQE after CQ
resources are freed by irdma_cq_free_rsrc(). Fix this by moving the call
to irdma_cq_free_rsrc() after the irdma_sc_cleanup_ceqes(), which is
called under the cq_lock.

Fixes: b48c24c2d710 ("RDMA/irdma: Implement device supported verb APIs")
Link: https://lore.kernel.org/r/20220705230815.265-6-shiraz.saleem@intel.com
Signed-off-by: Bartosz Sobczak <bartosz.sobczak@intel.com>
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
drivers/infiniband/hw/irdma/verbs.c