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-rw-r--r--src/vnet/session/application.c2
-rw-r--r--src/vnet/session/segment_manager.c4
2 files changed, 4 insertions, 2 deletions
diff --git a/src/vnet/session/application.c b/src/vnet/session/application.c
index 69cc87c9575..4bae8dba4de 100644
--- a/src/vnet/session/application.c
+++ b/src/vnet/session/application.c
@@ -554,7 +554,7 @@ application_alloc_and_init (app_init_args_t * a)
props = application_segment_manager_properties (app);
segment_manager_props_init (props);
- props->segment_size = options[APP_OPTIONS_ADD_SEGMENT_SIZE];
+ props->segment_size = options[APP_OPTIONS_SEGMENT_SIZE];
props->prealloc_fifos = options[APP_OPTIONS_PREALLOC_FIFO_PAIRS];
if (options[APP_OPTIONS_ADD_SEGMENT_SIZE])
{
diff --git a/src/vnet/session/segment_manager.c b/src/vnet/session/segment_manager.c
index 6213cd517f6..cbec493e55f 100644
--- a/src/vnet/session/segment_manager.c
+++ b/src/vnet/session/segment_manager.c
@@ -114,7 +114,9 @@ segment_manager_add_segment (segment_manager_t * sm, u32 segment_size)
*/
segment_size = segment_size ? segment_size : props->add_segment_size;
page_size = clib_mem_get_page_size ();
- segment_size = (segment_size + page_size - 1) & ~(page_size - 1);
+ /* Protect against segment size u32 wrap */
+ segment_size = clib_max (segment_size + page_size - 1, segment_size);
+ segment_size = segment_size & ~(page_size - 1);
if (props->segment_type != SSVM_SEGMENT_PRIVATE)
{
seg_name = format (0, "%d-%d%c", getpid (), smm->seg_name_counter++, 0);