diff options
Diffstat (limited to 'lib/dfsan/dfsan.cc')
| -rw-r--r-- | lib/dfsan/dfsan.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/dfsan/dfsan.cc b/lib/dfsan/dfsan.cc index 9e360c959fa7..d4dbebc43a78 100644 --- a/lib/dfsan/dfsan.cc +++ b/lib/dfsan/dfsan.cc @@ -425,7 +425,8 @@ static void dfsan_init(int argc, char **argv, char **envp) { InitializePlatformEarly(); - MmapFixedNoReserve(ShadowAddr(), UnusedAddr() - ShadowAddr()); + if (!MmapFixedNoReserve(ShadowAddr(), UnusedAddr() - ShadowAddr())) + Die(); // Protect the region of memory we don't use, to preserve the one-to-one // mapping from application to shadow memory. But if ASLR is disabled, Linux |