src/compiler-rt/test/esan/TestCases/mmap-shadow-conflict.c

   1 // RUN: %clang_esan_frag -O0 %s -o %t 2>&1
   2 // RUN: %env_esan_opts=verbosity=1 %run %t 2>&1 | FileCheck --check-prefix=%arch --check-prefix=CHECK %s
   3
   4 #include <unistd.h>
   5 #include <sys/mman.h>
   6 #include <stdio.h>
   7
   8 int main(int argc, char **argv) {
   9 #if defined(__mips64)
  10   void *Map = mmap((void *)0x0000001600000000ULL, 0x1000, PROT_READ,
  11                    MAP_ANON|MAP_PRIVATE|MAP_FIXED, -1, 0);
  12 #else
  13   void *Map = mmap((void *)0x0000016000000000ULL, 0x1000, PROT_READ,
  14                    MAP_ANON|MAP_PRIVATE|MAP_FIXED, -1, 0);
  15 #endif
  16   if (Map == (void *)-1)
  17     fprintf(stderr, "map failed\n");
  18   else
  19     fprintf(stderr, "mapped %p\n", Map);
  20 #if defined(__mips64)
  21   Map = mmap((void *)0x0000001600000000ULL, 0x1000, PROT_READ,
  22                    MAP_ANON|MAP_PRIVATE, -1, 0);
  23 #else
  24   Map = mmap((void *)0x0000016000000000ULL, 0x1000, PROT_READ,
  25                    MAP_ANON|MAP_PRIVATE, -1, 0);
  26 #endif
  27   fprintf(stderr, "mapped %p\n", Map);
  28   // CHECK:      in esan::initializeLibrary
  29   // (There can be a re-exec for stack limit here.)
  30   // x86_64:      Shadow scale=2 offset=0x440000000000
  31   // x86_64-NEXT: Shadow #0: [110000000000-114000000000) (256GB)
  32   // x86_64-NEXT: Shadow #1: [124000000000-12c000000000) (512GB)
  33   // x86_64-NEXT: Shadow #2: [148000000000-150000000000) (512GB)
  34   // mips64:      Shadow scale=2 offset=0x4400000000
  35   // mips64-NEXT: Shadow #0: [1140000000-1180000000) (1GB)
  36   // mips64-NEXT: Shadow #1: [1380000000-13c0000000) (1GB)
  37   // mips64-NEXT: Shadow #2: [14c0000000-1500000000) (1GB)
  38   // CHECK-NEXT: mmap conflict: {{.*}}
  39   // CHECK-NEXT: map failed
  40   // CHECK-NEXT: mmap conflict: {{.*}}
  41   // CHECK-NEXT: mapped {{.*}}
  42   // CHECK-NEXT: in esan::finalizeLibrary
  43   return 0;
  44 }