commit 0c22cc0d376a83d0034beb8c8783e3a8fafc64aa
author Nathan Harold <nharold@google.com> Wed Mar 28 08:59:24 2018 -0700
committer Benedict Wong <benedictwong@google.com> Fri Mar 30 01:52:46 2018 -0700
tree 42b38aad32ac1dbbdab36bdf411da9fa07ee89ad
parent e76373b3990772077270eddbf32feb71daf911fb

Start SPI Allocation Window at 256

RFC 4303 reserves the first 255 SPIs for future
use and they may not be allocated. Thus, restrict
the random range.

Bug: 77205120
Test: runtest frameworks-net
Merged-In: I809e7efa238e065ba092639e6001c7ac33d91bb3
Change-Id: I809e7efa238e065ba092639e6001c7ac33d91bb3
(cherry picked from commit 1012ffee71e020f859c54ec69e5c81ec1a8fc3cf)

server/XfrmController.cpp

diff --git a/server/XfrmController.cpp b/server/XfrmController.cpp
index 52ffd7b..744728a 100644
--- a/server/XfrmController.cpp
+++ b/server/XfrmController.cpp
@@ -78,7 +78,7 @@
 
 namespace {
 
-constexpr uint32_t RAND_SPI_MIN = 1;
+constexpr uint32_t RAND_SPI_MIN = 256;
 constexpr uint32_t RAND_SPI_MAX = 0xFFFFFFFE;
 
 constexpr uint32_t INVALID_SPI = 0;