diff options
| -rw-r--r-- | Xi/xibarriers.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Xi/xibarriers.c b/Xi/xibarriers.c index 0bc5761f3..b0a4a92a1 100644 --- a/Xi/xibarriers.c +++ b/Xi/xibarriers.c @@ -834,6 +834,8 @@ SProcXIBarrierReleasePointer(ClientPtr client) REQUEST_AT_LEAST_SIZE(xXIBarrierReleasePointerReq); swapl(&stuff->num_barriers); + if (stuff->num_barriers > UINT32_MAX / sizeof(xXIBarrierReleasePointerInfo)) + return BadLength; REQUEST_FIXED_SIZE(xXIBarrierReleasePointerReq, stuff->num_barriers * sizeof(xXIBarrierReleasePointerInfo)); info = (xXIBarrierReleasePointerInfo*) &stuff[1]; @@ -856,6 +858,9 @@ ProcXIBarrierReleasePointer(ClientPtr client) xXIBarrierReleasePointerInfo *info; REQUEST(xXIBarrierReleasePointerReq); + REQUEST_AT_LEAST_SIZE(xXIBarrierReleasePointerReq); + if (stuff->num_barriers > UINT32_MAX / sizeof(xXIBarrierReleasePointerInfo)) + return BadLength; REQUEST_FIXED_SIZE(xXIBarrierReleasePointerReq, stuff->num_barriers * sizeof(xXIBarrierReleasePointerInfo)); info = (xXIBarrierReleasePointerInfo*) &stuff[1]; |