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

45 lines
1.7 KiB
C

// RUN: %clang_esan_frag -O0 %s -o %t 2>&1
// RUN: %env_esan_opts=verbosity=1 %run %t 2>&1 | FileCheck --check-prefix=%arch --check-prefix=CHECK %s
#include <unistd.h>
#include <sys/mman.h>
#include <stdio.h>
int main(int argc, char **argv) {
#if defined(__mips64)
void *Map = mmap((void *)0x0000001600000000ULL, 0x1000, PROT_READ,
MAP_ANON|MAP_PRIVATE|MAP_FIXED, -1, 0);
#else
void *Map = mmap((void *)0x0000016000000000ULL, 0x1000, PROT_READ,
MAP_ANON|MAP_PRIVATE|MAP_FIXED, -1, 0);
#endif
if (Map == (void *)-1)
fprintf(stderr, "map failed\n");
else
fprintf(stderr, "mapped %p\n", Map);
#if defined(__mips64)
Map = mmap((void *)0x0000001600000000ULL, 0x1000, PROT_READ,
MAP_ANON|MAP_PRIVATE, -1, 0);
#else
Map = mmap((void *)0x0000016000000000ULL, 0x1000, PROT_READ,
MAP_ANON|MAP_PRIVATE, -1, 0);
#endif
fprintf(stderr, "mapped %p\n", Map);
// CHECK: in esan::initializeLibrary
// (There can be a re-exec for stack limit here.)
// x86_64: Shadow scale=2 offset=0x440000000000
// x86_64-NEXT: Shadow #0: [110000000000-114000000000) (256GB)
// x86_64-NEXT: Shadow #1: [124000000000-12c000000000) (512GB)
// x86_64-NEXT: Shadow #2: [148000000000-150000000000) (512GB)
// mips64: Shadow scale=2 offset=0x4400000000
// mips64-NEXT: Shadow #0: [1140000000-1180000000) (1GB)
// mips64-NEXT: Shadow #1: [1380000000-13c0000000) (1GB)
// mips64-NEXT: Shadow #2: [14c0000000-1500000000) (1GB)
// CHECK-NEXT: mmap conflict: {{.*}}
// CHECK-NEXT: map failed
// CHECK-NEXT: mmap conflict: {{.*}}
// CHECK-NEXT: mapped {{.*}}
// CHECK-NEXT: in esan::finalizeLibrary
return 0;
}