mirror_ubuntu-kernels/drivers/infiniband
Dennis Dalessandro f93e91a037 RDMA/hfi1: Fix potential integer multiplication overflow errors
When multiplying of different types, an overflow is possible even when
storing the result in a larger type. This is because the conversion is
done after the multiplication. So arithmetic overflow and thus in
incorrect value is possible.

Correct an instance of this in the inter packet delay calculation.  Fix by
ensuring one of the operands is u64 which will promote the other to u64 as
well ensuring no overflow.

Cc: stable@vger.kernel.org
Fixes: 7724105686 ("IB/hfi1: add driver files")
Link: https://lore.kernel.org/r/20220520183712.48973.29855.stgit@awfm-01.cornelisnetworks.com
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@cornelisnetworks.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-05-24 15:08:31 -03:00
..
core Linux 5.18 2022-05-24 12:40:28 -03:00
hw RDMA/hfi1: Fix potential integer multiplication overflow errors 2022-05-24 15:08:31 -03:00
sw RDMA/rxe: Fix an error handling path in rxe_get_mcg() 2022-05-24 12:55:12 -03:00
ulp IB/iser: Fix typo in comment 2022-05-24 11:24:57 -03:00
Kconfig RDMA/irdma: Add irdma Kconfig/Makefile and remove i40iw 2021-06-02 20:06:36 -03:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00