i40e: validate VSI param from VFs

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Validate that the VF has sent us a valid VSI index before actually using
that index. Without this code, a malicious or buggy VF driver could
panic the host by sending an invalid index into the VSI array.

Change-ID: I66a177687a0dcc281ec83e714d3813d70d18c8b4
Reported-by: Nick Nunley <nicholas.d.nunley@intel.com>
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

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Mitch Williams 2015-03-31 00:45:00 -07:00 • committed by Jeff Kirsher

parent 818f2e7b25

commit b57459e913

1 changed files with 2 additions and 0 deletions

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drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c

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