diff options
Diffstat (limited to 'compiler-rt/lib/msan/msan.cc')
| -rw-r--r-- | compiler-rt/lib/msan/msan.cc | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler-rt/lib/msan/msan.cc b/compiler-rt/lib/msan/msan.cc index e0d1b6cef8c..e0bff820312 100644 --- a/compiler-rt/lib/msan/msan.cc +++ b/compiler-rt/lib/msan/msan.cc @@ -240,8 +240,10 @@ void __msan_init() { if (!InitShadow(/* prot1 */false, /* prot2 */true, /* map_shadow */true, __msan_track_origins)) { // FIXME: prot1 = false is only required when running under DR. - Printf("FATAL: MemorySanitizer can not mmap the shadow memory\n"); + Printf("FATAL: MemorySanitizer can not mmap the shadow memory.\n"); Printf("FATAL: Make sure to compile with -fPIE and to link with -pie.\n"); + Printf("FATAL: Disabling ASLR is known to cause this error.\n"); + Printf("FATAL: If running under GDB, try 'set disable-randomization off'.\n"); DumpProcessMap(); Die(); } |
