IB/hfi1: Validate fault injection opcode user input

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The opcode range for fault injection from user should be validated before
it is applied to the fault->opcodes[] bitmap to avoid out-of-bound
error.

Cc: <stable@vger.kernel.org>
Fixes: a74d5307ca ("IB/hfi1: Rework fault injection machinery")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

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Kaike Wan 2019-06-07 08:25:25 -04:00 • committed by Jason Gunthorpe

parent d1fdb6d8f6

commit 5f90677ed3

1 changed files with 5 additions and 0 deletions

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drivers/infiniband/hw/hfi1/fault.c

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