RDMA/irdma: Fix a window for use-after-free

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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: b48c24c2d7 ("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>

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Mustafa Ismail 2022-07-05 18:08:13 -05:00 • committed by Leon Romanovsky

parent c8c7c07581

commit 8ecef7890b

1 changed files with 1 additions and 1 deletions

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drivers/infiniband/hw/irdma/verbs.c

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