[PATCH rdma-next v4 0/3] overflow.h: Add left-shift helper

From: Kees Cook
Date: Wed Aug 01 2018 - 17:25:53 EST


This adds the left-shift overflow helper, selftests, and first usage.

-Kees

v4:
- actually fix docs typo
- rename to check_shl_overflow()
v3:
- add even more test cases (type mismatches, more signed overflows).
- fix documentation typo on argument name.
v2:
- swap out selftests with framework from Rasmus, add lots more tests.
- drop double-assignment in helper.


Jason Gunthorpe (1):
overflow.h: Add arithmetic shift helper

Kees Cook (1):
test_overflow: Add shift overflow tests

Leon Romanovsky (1):
RDMA/mlx5: Fix shift overflow in mlx5_ib_create_wq

drivers/infiniband/hw/mlx5/qp.c | 4 +-
include/linux/overflow.h | 31 +++++
lib/test_overflow.c | 198 +++++++++++++++++++++++++++++++-
3 files changed, 231 insertions(+), 2 deletions(-)

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2.17.1