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authorFlorin Coras <fcoras@cisco.com>2019-05-09 14:11:38 -0700
committerFlorin Coras <fcoras@cisco.com>2019-05-09 14:11:38 -0700
commit725c6c416439d7a828aa587a93b9cc1cb0177a5d (patch)
tree4a8a4c3747aba37e8674efc0df33e803f497941b /src/vnet
parent6f05f724f4091acde82ef39e941a1ef819e53893 (diff)
session: fix segment size rounding and size init
Change-Id: Iceb2a46802ed13f319cb16f1df236b11dc3c00f6 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vnet')
-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 82b6dfef534..19a67badef9 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_properties_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 c8d4be5c113..f7b4c312a84 100644
--- a/src/vnet/session/segment_manager.c
+++ b/src/vnet/session/segment_manager.c
@@ -224,7 +224,9 @@ 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 (), segment_name_counter++, 0);