diff options
| author | Doug Ledford <[email protected]> | 2018-09-21 11:30:13 -0400 |
|---|---|---|
| committer | Jason Gunthorpe <[email protected]> | 2018-09-25 15:19:06 -0600 |
| commit | c6ce580716372d71cd119bacf73f14a62e9af2ea (patch) | |
| tree | cfec93bc6ebd1580a7498589c05db2d516078b19 /tools/perf/scripts/python/bin | |
| parent | 3312d1c6bdee6aa912c099c0ac0662d197c52842 (diff) | |
RDMA/umem: Fix potential addition overflow
Given a large enough memory allocation, it is possible to wrap the
pinned_vm counter. Check for addition overflow to prevent such
eventualities.
Fixes: 40ddacf2dda9 ("RDMA/umem: Don't hold mmap_sem for too long")
Reported-by: Jason Gunthorpe <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
Reviewed-by: Leon Romanovsky <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/bin')
0 files changed, 0 insertions, 0 deletions