crasher: add close(fileno(FILE*)) and close(dirfd(DIR*)).
Add some cases to trigger fdsan aborts.
Test: crasher fdsan_file; crasher fdsan_dir
Change-Id: I48152d333dc25900f1c8d8e0f2e8728154643508
diff --git a/debuggerd/crasher/crasher.cpp b/debuggerd/crasher/crasher.cpp
index f31337d..f0fe1d0 100644
--- a/debuggerd/crasher/crasher.cpp
+++ b/debuggerd/crasher/crasher.cpp
@@ -183,6 +183,8 @@
fprintf(stderr, " exit call exit(1)\n");
fprintf(stderr, "\n");
fprintf(stderr, " fortify fail a _FORTIFY_SOURCE check\n");
+ fprintf(stderr, " fdsan_file close a file descriptor that's owned by a FILE*\n");
+ fprintf(stderr, " fdsan_dir close a file descriptor that's owned by a DIR*\n");
fprintf(stderr, " seccomp fail a seccomp check\n");
#if defined(__arm__)
fprintf(stderr, " kuser_helper_version call kuser_helper_version\n");
@@ -236,39 +238,45 @@
// Actions.
if (!strcasecmp(arg, "SIGSEGV-non-null")) {
- sigsegv_non_null();
+ sigsegv_non_null();
} else if (!strcasecmp(arg, "smash-stack")) {
- volatile int len = 128;
- return smash_stack(&len);
+ volatile int len = 128;
+ return smash_stack(&len);
} else if (!strcasecmp(arg, "stack-overflow")) {
- overflow_stack(nullptr);
+ overflow_stack(nullptr);
} else if (!strcasecmp(arg, "nostack")) {
- crashnostack();
+ crashnostack();
} else if (!strcasecmp(arg, "exit")) {
- exit(1);
+ exit(1);
} else if (!strcasecmp(arg, "call-null")) {
return crash_null();
} else if (!strcasecmp(arg, "crash") || !strcmp(arg, "SIGSEGV")) {
- return crash(42);
+ return crash(42);
} else if (!strcasecmp(arg, "abort")) {
- maybe_abort();
+ maybe_abort();
} else if (!strcasecmp(arg, "assert")) {
- __assert("some_file.c", 123, "false");
+ __assert("some_file.c", 123, "false");
} else if (!strcasecmp(arg, "assert2")) {
- __assert2("some_file.c", 123, "some_function", "false");
+ __assert2("some_file.c", 123, "some_function", "false");
} else if (!strcasecmp(arg, "fortify")) {
- char buf[10];
- __read_chk(-1, buf, 32, 10);
- while (true) pause();
+ char buf[10];
+ __read_chk(-1, buf, 32, 10);
+ while (true) pause();
+ } else if (!strcasecmp(arg, "fdsan_file")) {
+ FILE* f = fopen("/dev/null", "r");
+ close(fileno(f));
+ } else if (!strcasecmp(arg, "fdsan_dir")) {
+ DIR* d = opendir("/dev/");
+ close(dirfd(d));
} else if (!strcasecmp(arg, "LOG(FATAL)")) {
- LOG(FATAL) << "hello " << 123;
+ LOG(FATAL) << "hello " << 123;
} else if (!strcasecmp(arg, "LOG_ALWAYS_FATAL")) {
- LOG_ALWAYS_FATAL("hello %s", "world");
+ LOG_ALWAYS_FATAL("hello %s", "world");
} else if (!strcasecmp(arg, "LOG_ALWAYS_FATAL_IF")) {
- LOG_ALWAYS_FATAL_IF(true, "hello %s", "world");
+ LOG_ALWAYS_FATAL_IF(true, "hello %s", "world");
} else if (!strcasecmp(arg, "SIGFPE")) {
- raise(SIGFPE);
- return EXIT_SUCCESS;
+ raise(SIGFPE);
+ return EXIT_SUCCESS;
} else if (!strcasecmp(arg, "SIGILL")) {
#if defined(__aarch64__)
__asm__ volatile(".word 0\n");
@@ -280,28 +288,28 @@
#error
#endif
} else if (!strcasecmp(arg, "SIGTRAP")) {
- raise(SIGTRAP);
- return EXIT_SUCCESS;
+ raise(SIGTRAP);
+ return EXIT_SUCCESS;
} else if (!strcasecmp(arg, "fprintf-NULL")) {
- fprintf_null();
+ fprintf_null();
} else if (!strcasecmp(arg, "readdir-NULL")) {
- readdir_null();
+ readdir_null();
} else if (!strcasecmp(arg, "strlen-NULL")) {
- return strlen_null();
+ return strlen_null();
} else if (!strcasecmp(arg, "pthread_join-NULL")) {
- return pthread_join(0, nullptr);
+ return pthread_join(0, nullptr);
} else if (!strcasecmp(arg, "heap-usage")) {
- abuse_heap();
+ abuse_heap();
} else if (!strcasecmp(arg, "leak")) {
- leak();
+ leak();
} else if (!strcasecmp(arg, "SIGSEGV-unmapped")) {
- char* map = reinterpret_cast<char*>(mmap(nullptr, sizeof(int), PROT_READ | PROT_WRITE,
- MAP_SHARED | MAP_ANONYMOUS, -1, 0));
- munmap(map, sizeof(int));
- map[0] = '8';
+ char* map = reinterpret_cast<char*>(
+ mmap(nullptr, sizeof(int), PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0));
+ munmap(map, sizeof(int));
+ map[0] = '8';
} else if (!strcasecmp(arg, "seccomp")) {
- set_system_seccomp_filter();
- syscall(99999);
+ set_system_seccomp_filter();
+ syscall(99999);
#if defined(__arm__)
} else if (!strcasecmp(arg, "kuser_helper_version")) {
return __kuser_helper_version;