diff options
Diffstat (limited to 'compiler-rt/lib/msan/msan_linux.cc')
| -rw-r--r-- | compiler-rt/lib/msan/msan_linux.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/compiler-rt/lib/msan/msan_linux.cc b/compiler-rt/lib/msan/msan_linux.cc index aea29453c32..b51f6363310 100644 --- a/compiler-rt/lib/msan/msan_linux.cc +++ b/compiler-rt/lib/msan/msan_linux.cc @@ -51,6 +51,12 @@ bool InitShadow(bool prot1, bool prot2, bool map_shadow, bool init_origins) { Printf("Bad1 : %p %p\n", kBad1Beg, kBad1End); } + if (!MemoryRangeIsAvailable(kShadowBeg, + init_origins ? kOriginsEnd : kShadowEnd)) { + Printf("FATAL: Shadow memory range is not available.\n"); + return false; + } + if (prot1 && !Mprotect(kBad1Beg, kBad1End - kBad1Beg)) return false; if (prot2 && !Mprotect(kBad2Beg, kBad2End - kBad2Beg)) |
