diff options
Diffstat (limited to 'compiler-rt/lib/sanitizer_common/sanitizer_allocator.h')
| -rw-r--r-- | compiler-rt/lib/sanitizer_common/sanitizer_allocator.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_allocator.h b/compiler-rt/lib/sanitizer_common/sanitizer_allocator.h index a9fc300f066..b10957abc36 100644 --- a/compiler-rt/lib/sanitizer_common/sanitizer_allocator.h +++ b/compiler-rt/lib/sanitizer_common/sanitizer_allocator.h @@ -297,7 +297,7 @@ class SizeClassAllocator64 { uptr beg_idx = region->allocated_user; uptr end_idx = beg_idx + kPopulateSize; uptr region_beg = kSpaceBeg + kRegionSize * class_id; - if (end_idx > region->mapped_user) { + if (Max(end_idx, beg_idx + size) > region->mapped_user) { // Do the mmap for the user memory. CHECK_GT(region->mapped_user + kUserMapSize, end_idx); MapWithCallback(region_beg + region->mapped_user, kUserMapSize); |
