}
}
-static void AsanCheckFailed(const char *file, int line, const char *cond,
- u64 v1, u64 v2) {
- Report("AddressSanitizer CHECK failed: %s:%d \"%s\" (0x%zx, 0x%zx)\n", file,
- line, cond, (uptr)v1, (uptr)v2);
-
- // Print a stack trace the first time we come here. Otherwise, we probably
- // failed a CHECK during symbolization.
- static atomic_uint32_t num_calls;
- if (atomic_fetch_add(&num_calls, 1, memory_order_relaxed) == 0) {
- PRINT_CURRENT_STACK_CHECK();
- }
-
- Die();
+static void CheckUnwind() {
+ GET_STACK_TRACE(kStackTraceMax, common_flags()->fast_unwind_on_check);
+ stack.Print();
}
// -------------------------- Globals --------------------- {{{1
// Install tool-specific callbacks in sanitizer_common.
AddDieCallback(AsanDie);
- SetCheckFailedCallback(AsanCheckFailed);
+ SetCheckUnwindCallback(CheckUnwind);
SetPrintfAndReportCallback(AppendToErrorMessageBuffer);
__sanitizer_set_report_path(common_flags()->log_path);
#define GET_STACK_TRACE_FATAL_HERE \
GET_STACK_TRACE(kStackTraceMax, common_flags()->fast_unwind_on_fatal)
-#define GET_STACK_TRACE_CHECK_HERE \
- GET_STACK_TRACE(kStackTraceMax, common_flags()->fast_unwind_on_check)
-
#define GET_STACK_TRACE_THREAD \
GET_STACK_TRACE(kStackTraceMax, true)
stack.Print(); \
}
-#define PRINT_CURRENT_STACK_CHECK() \
- { \
- GET_STACK_TRACE_CHECK_HERE; \
- stack.Print(); \
- }
-
#endif // ASAN_STACK_H
if (common_flags()->help) parser.PrintFlagDescriptions();
}
-static void HWAsanCheckFailed(const char *file, int line, const char *cond,
- u64 v1, u64 v2) {
- Report("HWAddressSanitizer CHECK failed: %s:%d \"%s\" (0x%zx, 0x%zx)\n", file,
- line, cond, (uptr)v1, (uptr)v2);
- PRINT_CURRENT_STACK_CHECK();
- Die();
+static void CheckUnwind() {
+ GET_FATAL_STACK_TRACE_PC_BP(StackTrace::GetCurrentPc(), GET_CURRENT_FRAME());
+ stack.Print();
}
static void HwasanFormatMemoryUsage(InternalScopedString &s) {
InitializeFlags();
// Install tool-specific callbacks in sanitizer_common.
- SetCheckFailedCallback(HWAsanCheckFailed);
+ SetCheckUnwindCallback(CheckUnwind);
__sanitizer_set_report_path(common_flags()->log_path);
if (hwasan_inited) \
stack.Unwind(pc, bp, nullptr, common_flags()->fast_unwind_on_fatal)
-#define GET_FATAL_STACK_TRACE_HERE \
- GET_FATAL_STACK_TRACE_PC_BP(StackTrace::GetCurrentPc(), GET_CURRENT_FRAME())
-
-#define PRINT_CURRENT_STACK_CHECK() \
- { \
- GET_FATAL_STACK_TRACE_HERE; \
- stack.Print(); \
- }
-
void HwasanTSDInit();
void HwasanTSDThreadInit();
}
}
-static void MemprofCheckFailed(const char *file, int line, const char *cond,
- u64 v1, u64 v2) {
- Report("MemProfiler CHECK failed: %s:%d \"%s\" (0x%zx, 0x%zx)\n", file, line,
- cond, (uptr)v1, (uptr)v2);
-
- // Print a stack trace the first time we come here. Otherwise, we probably
- // failed a CHECK during symbolization.
- static atomic_uint32_t num_calls;
- if (atomic_fetch_add(&num_calls, 1, memory_order_relaxed) == 0) {
- PRINT_CURRENT_STACK_CHECK();
- }
-
- Die();
+static void CheckUnwind() {
+ GET_STACK_TRACE(kStackTraceMax, common_flags()->fast_unwind_on_check);
+ stack.Print();
}
// -------------------------- Globals --------------------- {{{1
// Install tool-specific callbacks in sanitizer_common.
AddDieCallback(MemprofDie);
- SetCheckFailedCallback(MemprofCheckFailed);
+ SetCheckUnwindCallback(CheckUnwind);
// Use profile name specified via the binary itself if it exists, and hasn't
// been overrriden by a flag at runtime.
#define GET_STACK_TRACE_FATAL_HERE \
GET_STACK_TRACE(kStackTraceMax, common_flags()->fast_unwind_on_fatal)
-#define GET_STACK_TRACE_CHECK_HERE \
- GET_STACK_TRACE(kStackTraceMax, common_flags()->fast_unwind_on_check)
-
#define GET_STACK_TRACE_THREAD GET_STACK_TRACE(kStackTraceMax, true)
#define GET_STACK_TRACE_MALLOC \
stack.Print(); \
}
-#define PRINT_CURRENT_STACK_CHECK() \
- { \
- GET_STACK_TRACE_CHECK_HERE; \
- stack.Print(); \
- }
-
#endif // MEMPROF_STACK_H
HandleDeadlySignal(siginfo, context, GetTid(), &OnStackUnwind, nullptr);
}
-static void MsanCheckFailed(const char *file, int line, const char *cond,
- u64 v1, u64 v2) {
- Report("MemorySanitizer CHECK failed: %s:%d \"%s\" (0x%zx, 0x%zx)\n", file,
- line, cond, (uptr)v1, (uptr)v2);
- PRINT_CURRENT_STACK_CHECK();
- Die();
+static void CheckUnwind() {
+ GET_FATAL_STACK_TRACE_PC_BP(StackTrace::GetCurrentPc(), GET_CURRENT_FRAME());
+ stack.Print();
}
void __msan_init() {
InitializeFlags();
// Install tool-specific callbacks in sanitizer_common.
- SetCheckFailedCallback(MsanCheckFailed);
+ SetCheckUnwindCallback(CheckUnwind);
__sanitizer_set_report_path(common_flags()->log_path);
stack.Unwind(pc, bp, nullptr, common_flags()->fast_unwind_on_fatal); \
}
-#define GET_FATAL_STACK_TRACE_HERE \
- GET_FATAL_STACK_TRACE_PC_BP(StackTrace::GetCurrentPc(), GET_CURRENT_FRAME())
-
-#define PRINT_CURRENT_STACK_CHECK() \
- { \
- GET_FATAL_STACK_TRACE_HERE; \
- stack.Print(); \
- }
-
class ScopedThreadLocalStateBackup {
public:
ScopedThreadLocalStateBackup() { Backup(); }
const char *mmap_type, error_t err,
bool raw_report = false);
-// Specific tools may override behavior of "Die" and "CheckFailed" functions
-// to do tool-specific job.
+// Specific tools may override behavior of "Die" function to do tool-specific
+// job.
typedef void (*DieCallbackType)(void);
// It's possible to add several callbacks that would be run when "Die" is
void SetUserDieCallback(DieCallbackType callback);
-typedef void (*CheckFailedCallbackType)(const char *, int, const char *,
- u64, u64);
-void SetCheckFailedCallback(CheckFailedCallbackType callback);
+void SetCheckUnwindCallback(void (*callback)());
// Callback will be called if soft_rss_limit_mb is given and the limit is
// exceeded (exceeded==true) or if rss went down below the limit
internal__exit(common_flags()->exitcode);
}
-static CheckFailedCallbackType CheckFailedCallback;
-void SetCheckFailedCallback(CheckFailedCallbackType callback) {
- CheckFailedCallback = callback;
+static void (*CheckUnwindCallback)();
+void SetCheckUnwindCallback(void (*callback)()) {
+ CheckUnwindCallback = callback;
}
-const int kSecondsToSleepWhenRecursiveCheckFailed = 2;
-
void NORETURN CheckFailed(const char *file, int line, const char *cond,
u64 v1, u64 v2) {
- static atomic_uint32_t num_calls;
- if (atomic_fetch_add(&num_calls, 1, memory_order_relaxed) > 10) {
- SleepForSeconds(kSecondsToSleepWhenRecursiveCheckFailed);
+ u32 tid = GetTid();
+ Printf("%s: CHECK failed: %s:%d \"%s\" (0x%zx, 0x%zx) (tid=%u)\n",
+ SanitizerToolName, StripModuleName(file), line, cond, (uptr)v1,
+ (uptr)v2, tid);
+ static atomic_uint32_t first_tid;
+ u32 cmp = 0;
+ if (!atomic_compare_exchange_strong(&first_tid, &cmp, tid,
+ memory_order_relaxed)) {
+ if (cmp == tid) {
+ // Recursing into CheckFailed.
+ } else {
+ // Another thread fails already, let it print the stack and terminate.
+ SleepForSeconds(2);
+ }
Trap();
}
-
- if (CheckFailedCallback) {
- CheckFailedCallback(file, line, cond, v1, v2);
- }
- Report("Sanitizer CHECK failed: %s:%d %s (%lld, %lld)\n", file, line, cond,
- v1, v2);
+ if (CheckUnwindCallback)
+ CheckUnwindCallback();
Die();
}
}
#endif
+void CheckUnwind() {
+ // There is high probability that interceptors will check-fail as well,
+ // on the other hand there is no sense in processing interceptors
+ // since we are going to die soon.
+ ScopedIgnoreInterceptors ignore;
+#if !SANITIZER_GO
+ cur_thread()->ignore_sync++;
+ cur_thread()->ignore_reads_and_writes++;
+#endif
+ PrintCurrentStackSlow(StackTrace::GetCurrentPc());
+}
+
void Initialize(ThreadState *thr) {
// Thread safe because done before all threads exist.
static bool is_initialized = false;
ScopedIgnoreInterceptors ignore;
SanitizerToolName = "ThreadSanitizer";
// Install tool-specific callbacks in sanitizer_common.
- SetCheckFailedCallback(TsanCheckFailed);
+ SetCheckUnwindCallback(CheckUnwind);
ctx = new(ctx_placeholder) Context;
const char *env_name = SANITIZER_GO ? "GORACE" : "TSAN_OPTIONS";
Allocator *allocator();
#endif
-void TsanCheckFailed(const char *file, int line, const char *cond,
- u64 v1, u64 v2);
-
const u64 kShadowRodata = (u64)-1; // .rodata shadow marker
// FastState (from most significant bit):
static ReportStack *SymbolizeStack(StackTrace trace);
-void TsanCheckFailed(const char *file, int line, const char *cond,
- u64 v1, u64 v2) {
- // There is high probability that interceptors will check-fail as well,
- // on the other hand there is no sense in processing interceptors
- // since we are going to die soon.
- ScopedIgnoreInterceptors ignore;
-#if !SANITIZER_GO
- cur_thread()->ignore_sync++;
- cur_thread()->ignore_reads_and_writes++;
-#endif
- Printf("FATAL: ThreadSanitizer CHECK failed: "
- "%s:%d \"%s\" (0x%zx, 0x%zx)\n",
- file, line, cond, (uptr)v1, (uptr)v2);
- PrintCurrentStackSlow(StackTrace::GetCurrentPc());
- Die();
-}
-
// Can be overriden by an application/test to intercept reports.
#ifdef TSAN_EXTERNAL_HOOKS
bool OnReport(const ReportDesc *rep, bool suppressed);
// However, this solution is not reliable enough, please see dvyukov's comment
// http://reviews.llvm.org/D19148#406208
// Also see PR27280 comment 2 and 3 for breaking examples and analysis.
-ALWAYS_INLINE
-void PrintCurrentStackSlow(uptr pc) {
+ALWAYS_INLINE USED void PrintCurrentStackSlow(uptr pc) {
#if !SANITIZER_GO
uptr bp = GET_CURRENT_FRAME();
BufferedStackTrace *ptrace =
void *p = malloc(8 << 20);
free(reinterpret_cast<char*>(p) + 1);
// CHECK: MemorySanitizer: bad pointer
- // CHECK: MemorySanitizer CHECK failed
+ // CHECK: MemorySanitizer: CHECK failed
// CHECK: #0
return 0;
}
projects / platform / upstream / llvm.git / commitdiff