Differential D111390 Diff 383057 compiler-rt/test/sanitizer_common/TestCases/Posix/mmap_write_exec.cpp
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compiler-rt/test/sanitizer_common/TestCases/Posix/mmap_write_exec.cpp
- This file was moved from compiler-rt/test/sanitizer_common/TestCases/Linux/mmap_write_exec.cpp.
| // RUN: %clangxx %s -o %t | // RUN: %clangxx %s -o %t | ||||
| // RUN: %env_tool_opts=detect_write_exec=1 %run %t 2>&1 | FileCheck %s | // RUN: %env_tool_opts=detect_write_exec=1 %run %t 2>&1 | FileCheck %s | ||||
| // RUN: %env_tool_opts=detect_write_exec=0 %run %t 2>&1 | FileCheck %s \ | // RUN: %env_tool_opts=detect_write_exec=0 %run %t 2>&1 | FileCheck %s \ | ||||
| // RUN: --check-prefix=CHECK-DISABLED | // RUN: --check-prefix=CHECK-DISABLED | ||||
| // ubsan and lsan do not install mmap interceptors UNSUPPORTED: ubsan, lsan | // ubsan and lsan do not install mmap interceptors UNSUPPORTED: ubsan, lsan | ||||
| // TODO: Fix option on Android, it hangs there for unknown reasons. | // TODO: Fix option on Android, it hangs there for unknown reasons. | ||||
| // XFAIL: android | // XFAIL: android | ||||
| #include <pthread.h> | |||||
| #include <stdio.h> | #include <stdio.h> | ||||
| #include <sys/mman.h> | #include <sys/mman.h> | ||||
| int main(int argc, char **argv) { | int main(int argc, char **argv) { | ||||
| char *p = (char *)mmap(0, 1024, PROT_READ | PROT_WRITE | PROT_EXEC, | char *p = (char *)mmap(0, 1024, PROT_READ | PROT_WRITE | PROT_EXEC, | ||||
| MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); | MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); | ||||
| // CHECK: WARNING: {{.*}}Sanitizer: writable-executable page usage | // CHECK: WARNING: {{.*}}Sanitizer: writable-executable page usage | ||||
| // CHECK: #{{[0-9]+.*}}main{{.*}}mmap_write_exec.cpp:[[@LINE-3]] | // CHECK: #{{[0-9]+.*}}main{{.*}}mmap_write_exec.cpp:[[@LINE-3]] | ||||
| // CHECK: SUMMARY: {{.*}}Sanitizer: w-and-x-usage | // CHECK: SUMMARY: {{.*}}Sanitizer: w-and-x-usage | ||||
| char *q = (char *)mmap(p, 64, PROT_READ | PROT_WRITE, | char *q = (char *)mmap(p, 64, PROT_READ | PROT_WRITE, | ||||
| MAP_ANONYMOUS | MAP_PRIVATE | MAP_FIXED, -1, 0); | MAP_ANONYMOUS | MAP_PRIVATE | MAP_FIXED, -1, 0); | ||||
| (void)mprotect(q, 64, PROT_WRITE | PROT_EXEC); | (void)mprotect(q, 64, PROT_WRITE | PROT_EXEC); | ||||
| // CHECK: WARNING: {{.*}}Sanitizer: writable-executable page usage | // CHECK: WARNING: {{.*}}Sanitizer: writable-executable page usage | ||||
| // CHECK: #{{[0-9]+.*}}main{{.*}}mmap_write_exec.cpp:[[@LINE-2]] | // CHECK: #{{[0-9]+.*}}main{{.*}}mmap_write_exec.cpp:[[@LINE-2]] | ||||
| // CHECK: SUMMARY: {{.*}}Sanitizer: w-and-x-usage | // CHECK: SUMMARY: {{.*}}Sanitizer: w-and-x-usage | ||||
| char *a = (char *)mmap(0, 1024, PROT_READ | PROT_WRITE, | char *a = (char *)mmap(0, 1024, PROT_READ | PROT_WRITE, | ||||
| MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); | MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); | ||||
| char *b = (char *)mmap(a, 64, PROT_READ | PROT_WRITE, | char *b = (char *)mmap(a, 64, PROT_READ | PROT_WRITE, | ||||
| MAP_ANONYMOUS | MAP_PRIVATE | MAP_FIXED, -1, 0); | MAP_ANONYMOUS | MAP_PRIVATE | MAP_FIXED, -1, 0); | ||||
| (void)mprotect(q, 64, PROT_READ | PROT_EXEC); | (void)mprotect(q, 64, PROT_READ | PROT_EXEC); | ||||
| // CHECK-NOT: Sanitizer | // CHECK-NOT: Sanitizer | ||||
| #if defined(__APPLE__) | |||||
| pthread_jit_write_protect_np(false); | |||||
| char *c = (char *)mmap(0, 128, PROT_WRITE | PROT_EXEC, | |||||
| MAP_ANONYMOUS | MAP_PRIVATE | MAP_JIT, -1, 0); | |||||
| // CHECK-NOT: Sanitizer | |||||
| #endif | |||||
| printf("done\n"); | printf("done\n"); | ||||
| // CHECK-DISABLED-NOT: Sanitizer | // CHECK-DISABLED-NOT: Sanitizer | ||||
| // CHECK-DISABLED: done | // CHECK-DISABLED: done | ||||
| } | } | ||||