[Qemu-devel] [PATCH 01/40] memory: assert that PhysPageEntry's ptr does not overflow

[Paolo Bonzini]

Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
 exec.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/exec.c b/exec.c
index 19725db..2e5b89a 100644
--- a/exec.c
+++ b/exec.c
@@ -719,6 +719,8 @@ static void destroy_all_mappings(AddressSpaceDispatch *d)
 
 static uint16_t phys_section_add(MemoryRegionSection *section)
 {
+    assert(phys_sections_nb < TARGET_PAGE_SIZE);
+
     if (phys_sections_nb == phys_sections_nb_alloc) {
         phys_sections_nb_alloc = MAX(phys_sections_nb_alloc * 2, 16);
         phys_sections = g_renew(MemoryRegionSection, phys_sections,
-- 
1.7.1