diff options
Diffstat (limited to 'lib/tsan/rtl/tsan_mman.cc')
| -rw-r--r-- | lib/tsan/rtl/tsan_mman.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/tsan/rtl/tsan_mman.cc b/lib/tsan/rtl/tsan_mman.cc index 3f7a5e76c..8ef031646 100644 --- a/lib/tsan/rtl/tsan_mman.cc +++ b/lib/tsan/rtl/tsan_mman.cc @@ -256,6 +256,10 @@ void *user_valloc(ThreadState *thr, uptr pc, uptr sz) { void *user_pvalloc(ThreadState *thr, uptr pc, uptr sz) { uptr PageSize = GetPageSizeCached(); + if (UNLIKELY(CheckForPvallocOverflow(sz, PageSize))) { + errno = errno_ENOMEM; + return Allocator::FailureHandler::OnBadRequest(); + } // pvalloc(0) should allocate one page. sz = sz ? RoundUpTo(sz, PageSize) : PageSize; return SetErrnoOnNull(user_alloc_internal(thr, pc, sz, PageSize)); |