Merge pull request #2402 from yingcong-wu/yc/1202-mmap-failure

[DevASAN][CPU] bugfix for mmap return value check.
oneapi-src · Dec 26, 2024 · 93fc133 · 93fc133
2 parents 259b67d + d2c0451
commit 93fc133
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/source/loader/layers/sanitizer/sanitizer_common/linux/sanitizer_utils.cpp b/source/loader/layers/sanitizer/sanitizer_common/linux/sanitizer_utils.cpp
@@ -40,6 +40,9 @@ uptr MmapNoReserve(uptr Addr, uptr Size) {
     Addr = RoundDownTo(Addr, EXEC_PAGESIZE);
     void *P = mmap((void *)Addr, Size, PROT_READ | PROT_WRITE,
                    MAP_PRIVATE | MAP_NORESERVE | MAP_ANONYMOUS, -1, 0);
+    if (P == MAP_FAILED) {
+        return 0;
+    }
     return (uptr)P;
 }