Index: compiler-rt/trunk/lib/asan/asan_descriptions.h =================================================================== --- compiler-rt/trunk/lib/asan/asan_descriptions.h +++ compiler-rt/trunk/lib/asan/asan_descriptions.h @@ -214,7 +214,7 @@ } UNREACHABLE("AddressInformation kind is invalid"); } - void Print() const { + void Print(const char *bug_descr = nullptr) const { switch (data.kind) { case kAddressKindWild: Printf("Address %p is a wild pointer.\n", data.addr); @@ -226,7 +226,8 @@ case kAddressKindStack: return data.stack.Print(); case kAddressKindGlobal: - return data.global.Print(); + // initialization-order-fiasco has a special Print() + return data.global.Print(bug_descr); } UNREACHABLE("AddressInformation kind is invalid"); } Index: compiler-rt/trunk/lib/asan/asan_errors.h =================================================================== --- compiler-rt/trunk/lib/asan/asan_errors.h +++ compiler-rt/trunk/lib/asan/asan_errors.h @@ -296,6 +296,21 @@ void Print(); }; +struct ErrorGeneric : ErrorBase { + AddressDescription addr_description; + uptr pc, bp, sp; + uptr access_size; + const char *bug_descr; + bool is_write; + u8 shadow_val; + // VS2013 doesn't implement unrestricted unions, so we need a trivial default + // constructor + ErrorGeneric() = default; + ErrorGeneric(u32 tid, uptr addr, uptr pc_, uptr bp_, uptr sp_, bool is_write_, + uptr access_size_); + void Print(); +}; + // clang-format off #define ASAN_FOR_EACH_ERROR_KIND(macro) \ macro(StackOverflow) \ @@ -310,7 +325,8 @@ macro(StringFunctionSizeOverflow) \ macro(BadParamsToAnnotateContiguousContainer) \ macro(ODRViolation) \ - macro(InvalidPointerPair) + macro(InvalidPointerPair) \ + macro(Generic) // clang-format on #define ASAN_DEFINE_ERROR_KIND(name) kErrorKind##name, Index: compiler-rt/trunk/lib/asan/asan_errors.cc =================================================================== --- compiler-rt/trunk/lib/asan/asan_errors.cc +++ compiler-rt/trunk/lib/asan/asan_errors.cc @@ -281,4 +281,216 @@ ReportErrorSummary(bug_type, &stack); } +static bool AdjacentShadowValuesAreFullyPoisoned(u8 *s) { + return s[-1] > 127 && s[1] > 127; +} + +ErrorGeneric::ErrorGeneric(u32 tid, uptr pc_, uptr bp_, uptr sp_, uptr addr, + bool is_write_, uptr access_size_) + : ErrorBase(tid), + addr_description(addr, access_size_, /*shouldLockThreadRegistry=*/false), + pc(pc_), + bp(bp_), + sp(sp_), + access_size(access_size_), + is_write(is_write_), + shadow_val(0) { + scariness.Clear(); + if (access_size) { + if (access_size <= 9) { + char desr[] = "?-byte"; + desr[0] = '0' + access_size; + scariness.Scare(access_size + access_size / 2, desr); + } else if (access_size >= 10) { + scariness.Scare(15, "multi-byte"); + } + is_write ? scariness.Scare(20, "write") : scariness.Scare(1, "read"); + + // Determine the error type. + bug_descr = "unknown-crash"; + if (AddrIsInMem(addr)) { + u8 *shadow_addr = (u8 *)MemToShadow(addr); + // If we are accessing 16 bytes, look at the second shadow byte. + if (*shadow_addr == 0 && access_size > SHADOW_GRANULARITY) shadow_addr++; + // If we are in the partial right redzone, look at the next shadow byte. + if (*shadow_addr > 0 && *shadow_addr < 128) shadow_addr++; + bool far_from_bounds = false; + shadow_val = *shadow_addr; + int bug_type_score = 0; + // For use-after-frees reads are almost as bad as writes. + int read_after_free_bonus = 0; + switch (shadow_val) { + case kAsanHeapLeftRedzoneMagic: + case kAsanArrayCookieMagic: + bug_descr = "heap-buffer-overflow"; + bug_type_score = 10; + far_from_bounds = AdjacentShadowValuesAreFullyPoisoned(shadow_addr); + break; + case kAsanHeapFreeMagic: + bug_descr = "heap-use-after-free"; + bug_type_score = 20; + if (!is_write) read_after_free_bonus = 18; + break; + case kAsanStackLeftRedzoneMagic: + bug_descr = "stack-buffer-underflow"; + bug_type_score = 25; + far_from_bounds = AdjacentShadowValuesAreFullyPoisoned(shadow_addr); + break; + case kAsanInitializationOrderMagic: + bug_descr = "initialization-order-fiasco"; + bug_type_score = 1; + break; + case kAsanStackMidRedzoneMagic: + case kAsanStackRightRedzoneMagic: + bug_descr = "stack-buffer-overflow"; + bug_type_score = 25; + far_from_bounds = AdjacentShadowValuesAreFullyPoisoned(shadow_addr); + break; + case kAsanStackAfterReturnMagic: + bug_descr = "stack-use-after-return"; + bug_type_score = 30; + if (!is_write) read_after_free_bonus = 18; + break; + case kAsanUserPoisonedMemoryMagic: + bug_descr = "use-after-poison"; + bug_type_score = 20; + break; + case kAsanContiguousContainerOOBMagic: + bug_descr = "container-overflow"; + bug_type_score = 10; + break; + case kAsanStackUseAfterScopeMagic: + bug_descr = "stack-use-after-scope"; + bug_type_score = 10; + break; + case kAsanGlobalRedzoneMagic: + bug_descr = "global-buffer-overflow"; + bug_type_score = 10; + far_from_bounds = AdjacentShadowValuesAreFullyPoisoned(shadow_addr); + break; + case kAsanIntraObjectRedzone: + bug_descr = "intra-object-overflow"; + bug_type_score = 10; + break; + case kAsanAllocaLeftMagic: + case kAsanAllocaRightMagic: + bug_descr = "dynamic-stack-buffer-overflow"; + bug_type_score = 25; + far_from_bounds = AdjacentShadowValuesAreFullyPoisoned(shadow_addr); + break; + } + scariness.Scare(bug_type_score + read_after_free_bonus, bug_descr); + if (far_from_bounds) scariness.Scare(10, "far-from-bounds"); + } + } +} + +static void PrintContainerOverflowHint() { + Printf("HINT: if you don't care about these errors you may set " + "ASAN_OPTIONS=detect_container_overflow=0.\n" + "If you suspect a false positive see also: " + "https://github.com/google/sanitizers/wiki/" + "AddressSanitizerContainerOverflow.\n"); +} + +static void PrintShadowByte(InternalScopedString *str, const char *before, + u8 byte, const char *after = "\n") { + PrintMemoryByte(str, before, byte, /*in_shadow*/true, after); +} + +static void PrintLegend(InternalScopedString *str) { + str->append( + "Shadow byte legend (one shadow byte represents %d " + "application bytes):\n", + (int)SHADOW_GRANULARITY); + PrintShadowByte(str, " Addressable: ", 0); + str->append(" Partially addressable: "); + for (u8 i = 1; i < SHADOW_GRANULARITY; i++) PrintShadowByte(str, "", i, " "); + str->append("\n"); + PrintShadowByte(str, " Heap left redzone: ", + kAsanHeapLeftRedzoneMagic); + PrintShadowByte(str, " Freed heap region: ", kAsanHeapFreeMagic); + PrintShadowByte(str, " Stack left redzone: ", + kAsanStackLeftRedzoneMagic); + PrintShadowByte(str, " Stack mid redzone: ", + kAsanStackMidRedzoneMagic); + PrintShadowByte(str, " Stack right redzone: ", + kAsanStackRightRedzoneMagic); + PrintShadowByte(str, " Stack after return: ", + kAsanStackAfterReturnMagic); + PrintShadowByte(str, " Stack use after scope: ", + kAsanStackUseAfterScopeMagic); + PrintShadowByte(str, " Global redzone: ", kAsanGlobalRedzoneMagic); + PrintShadowByte(str, " Global init order: ", + kAsanInitializationOrderMagic); + PrintShadowByte(str, " Poisoned by user: ", + kAsanUserPoisonedMemoryMagic); + PrintShadowByte(str, " Container overflow: ", + kAsanContiguousContainerOOBMagic); + PrintShadowByte(str, " Array cookie: ", + kAsanArrayCookieMagic); + PrintShadowByte(str, " Intra object redzone: ", + kAsanIntraObjectRedzone); + PrintShadowByte(str, " ASan internal: ", kAsanInternalHeapMagic); + PrintShadowByte(str, " Left alloca redzone: ", kAsanAllocaLeftMagic); + PrintShadowByte(str, " Right alloca redzone: ", kAsanAllocaRightMagic); +} + +static void PrintShadowBytes(InternalScopedString *str, const char *before, + u8 *bytes, u8 *guilty, uptr n) { + Decorator d; + if (before) str->append("%s%p:", before, bytes); + for (uptr i = 0; i < n; i++) { + u8 *p = bytes + i; + const char *before = + p == guilty ? "[" : (p - 1 == guilty && i != 0) ? "" : " "; + const char *after = p == guilty ? "]" : ""; + PrintShadowByte(str, before, *p, after); + } + str->append("\n"); +} + +static void PrintShadowMemoryForAddress(uptr addr) { + if (!AddrIsInMem(addr)) return; + uptr shadow_addr = MemToShadow(addr); + const uptr n_bytes_per_row = 16; + uptr aligned_shadow = shadow_addr & ~(n_bytes_per_row - 1); + InternalScopedString str(4096 * 8); + str.append("Shadow bytes around the buggy address:\n"); + for (int i = -5; i <= 5; i++) { + const char *prefix = (i == 0) ? "=>" : " "; + PrintShadowBytes(&str, prefix, (u8 *)(aligned_shadow + i * n_bytes_per_row), + (u8 *)shadow_addr, n_bytes_per_row); + } + if (flags()->print_legend) PrintLegend(&str); + Printf("%s", str.data()); +} + +void ErrorGeneric::Print() { + Decorator d; + Printf("%s", d.Warning()); + uptr addr = addr_description.Address(); + Report("ERROR: AddressSanitizer: %s on address %p at pc %p bp %p sp %p\n", + bug_descr, (void *)addr, pc, bp, sp); + Printf("%s", d.EndWarning()); + + char tname[128]; + Printf("%s%s of size %zu at %p thread T%d%s%s\n", d.Access(), + access_size ? (is_write ? "WRITE" : "READ") : "ACCESS", access_size, + (void *)addr, tid, + ThreadNameWithParenthesis(tid, tname, sizeof(tname)), d.EndAccess()); + + scariness.Print(); + GET_STACK_TRACE_FATAL(pc, bp); + stack.Print(); + + // Pass bug_descr because we have a special case for + // initialization-order-fiasco + addr_description.Print(bug_descr); + if (shadow_val == kAsanContiguousContainerOOBMagic) + PrintContainerOverflowHint(); + ReportErrorSummary(bug_descr, &stack); + PrintShadowMemoryForAddress(addr); +} + } // namespace __asan Index: compiler-rt/trunk/lib/asan/asan_report.cc =================================================================== --- compiler-rt/trunk/lib/asan/asan_report.cc +++ compiler-rt/trunk/lib/asan/asan_report.cc @@ -37,19 +37,6 @@ static const unsigned kAsanBuggyPcPoolSize = 25; static __sanitizer::atomic_uintptr_t AsanBuggyPcPool[kAsanBuggyPcPoolSize]; -struct ReportData { - uptr pc; - uptr sp; - uptr bp; - uptr addr; - bool is_write; - uptr access_size; - const char *description; -}; - -static bool report_happened = false; -static ReportData report_data = {}; - void AppendToErrorMessageBuffer(const char *buffer) { BlockingMutexLock l(&error_message_buf_mutex); if (!error_message_buffer) { @@ -78,79 +65,6 @@ in_shadow ? d.EndShadowByte() : d.EndMemoryByte(), after); } -static void PrintShadowByte(InternalScopedString *str, const char *before, - u8 byte, const char *after = "\n") { - PrintMemoryByte(str, before, byte, /*in_shadow*/true, after); -} - -static void PrintShadowBytes(InternalScopedString *str, const char *before, - u8 *bytes, u8 *guilty, uptr n) { - Decorator d; - if (before) str->append("%s%p:", before, bytes); - for (uptr i = 0; i < n; i++) { - u8 *p = bytes + i; - const char *before = - p == guilty ? "[" : (p - 1 == guilty && i != 0) ? "" : " "; - const char *after = p == guilty ? "]" : ""; - PrintShadowByte(str, before, *p, after); - } - str->append("\n"); -} - -static void PrintLegend(InternalScopedString *str) { - str->append( - "Shadow byte legend (one shadow byte represents %d " - "application bytes):\n", - (int)SHADOW_GRANULARITY); - PrintShadowByte(str, " Addressable: ", 0); - str->append(" Partially addressable: "); - for (u8 i = 1; i < SHADOW_GRANULARITY; i++) PrintShadowByte(str, "", i, " "); - str->append("\n"); - PrintShadowByte(str, " Heap left redzone: ", - kAsanHeapLeftRedzoneMagic); - PrintShadowByte(str, " Freed heap region: ", kAsanHeapFreeMagic); - PrintShadowByte(str, " Stack left redzone: ", - kAsanStackLeftRedzoneMagic); - PrintShadowByte(str, " Stack mid redzone: ", - kAsanStackMidRedzoneMagic); - PrintShadowByte(str, " Stack right redzone: ", - kAsanStackRightRedzoneMagic); - PrintShadowByte(str, " Stack after return: ", - kAsanStackAfterReturnMagic); - PrintShadowByte(str, " Stack use after scope: ", - kAsanStackUseAfterScopeMagic); - PrintShadowByte(str, " Global redzone: ", kAsanGlobalRedzoneMagic); - PrintShadowByte(str, " Global init order: ", - kAsanInitializationOrderMagic); - PrintShadowByte(str, " Poisoned by user: ", - kAsanUserPoisonedMemoryMagic); - PrintShadowByte(str, " Container overflow: ", - kAsanContiguousContainerOOBMagic); - PrintShadowByte(str, " Array cookie: ", - kAsanArrayCookieMagic); - PrintShadowByte(str, " Intra object redzone: ", - kAsanIntraObjectRedzone); - PrintShadowByte(str, " ASan internal: ", kAsanInternalHeapMagic); - PrintShadowByte(str, " Left alloca redzone: ", kAsanAllocaLeftMagic); - PrintShadowByte(str, " Right alloca redzone: ", kAsanAllocaRightMagic); -} - -static void PrintShadowMemoryForAddress(uptr addr) { - if (!AddrIsInMem(addr)) return; - uptr shadow_addr = MemToShadow(addr); - const uptr n_bytes_per_row = 16; - uptr aligned_shadow = shadow_addr & ~(n_bytes_per_row - 1); - InternalScopedString str(4096 * 8); - str.append("Shadow bytes around the buggy address:\n"); - for (int i = -5; i <= 5; i++) { - const char *prefix = (i == 0) ? "=>" : " "; - PrintShadowBytes(&str, prefix, (u8 *)(aligned_shadow + i * n_bytes_per_row), - (u8 *)shadow_addr, n_bytes_per_row); - } - if (flags()->print_legend) PrintLegend(&str); - Printf("%s", str.data()); -} - static void PrintZoneForPointer(uptr ptr, uptr zone_ptr, const char *zone_name) { if (zone_ptr) { @@ -201,12 +115,11 @@ // immediately after printing error report. class ScopedInErrorReport { public: - explicit ScopedInErrorReport(ReportData *report = nullptr, - bool fatal = false) { + explicit ScopedInErrorReport(bool fatal = false) { halt_on_error_ = fatal || flags()->halt_on_error; if (lock_.TryLock()) { - StartReporting(report); + StartReporting(); return; } @@ -248,10 +161,11 @@ lock_.Lock(); } - StartReporting(report); + StartReporting(); } ~ScopedInErrorReport() { + ASAN_ON_ERROR(); if (current_error_.IsValid()) current_error_.Print(); // Make sure the current thread is announced. @@ -279,6 +193,12 @@ if (error_report_callback) { error_report_callback(buffer_copy.data()); } + + // In halt_on_error = false mode, reset the current error object (before + // unlocking). + if (!halt_on_error_) + internal_memset(¤t_error_, 0, sizeof(current_error_)); + CommonSanitizerReportMutex.Unlock(); reporting_thread_tid_ = kInvalidTid; lock_.Unlock(); @@ -294,11 +214,12 @@ current_error_ = description; } + static ErrorDescription &CurrentError() { + return current_error_; + } + private: - void StartReporting(ReportData *report) { - if (report) report_data = *report; - report_happened = true; - ASAN_ON_ERROR(); + void StartReporting() { // Make sure the registry and sanitizer report mutexes are locked while // we're printing an error report. // We can lock them only here to avoid self-deadlock in case of @@ -323,13 +244,13 @@ ErrorDescription ScopedInErrorReport::current_error_; void ReportStackOverflow(const SignalContext &sig) { - ScopedInErrorReport in_report(/*report*/ nullptr, /*fatal*/ true); + ScopedInErrorReport in_report(/*fatal*/ true); ErrorStackOverflow error(GetCurrentTidOrInvalid(), sig); in_report.ReportError(error); } void ReportDeadlySignal(int signo, const SignalContext &sig) { - ScopedInErrorReport in_report(/*report*/ nullptr, /*fatal*/ true); + ScopedInErrorReport in_report(/*fatal*/ true); ErrorDeadlySignal error(GetCurrentTidOrInvalid(), sig, signo); in_report.ReportError(error); } @@ -461,34 +382,10 @@ Die(); } -static void PrintContainerOverflowHint() { - Printf("HINT: if you don't care about these errors you may set " - "ASAN_OPTIONS=detect_container_overflow=0.\n" - "If you suspect a false positive see also: " - "https://github.com/google/sanitizers/wiki/" - "AddressSanitizerContainerOverflow.\n"); -} - -static bool AdjacentShadowValuesAreFullyPoisoned(u8 *s) { - return s[-1] > 127 && s[1] > 127; -} - void ReportGenericError(uptr pc, uptr bp, uptr sp, uptr addr, bool is_write, uptr access_size, u32 exp, bool fatal) { if (!fatal && SuppressErrorReport(pc)) return; ENABLE_FRAME_POINTER; - ScarinessScore SS; - - if (access_size) { - if (access_size <= 9) { - char desr[] = "?-byte"; - desr[0] = '0' + access_size; - SS.Scare(access_size + access_size / 2, desr); - } else if (access_size >= 10) { - SS.Scare(15, "multi-byte"); - } - is_write ? SS.Scare(20, "write") : SS.Scare(1, "read"); - } // Optimization experiments. // The experiments can be used to evaluate potential optimizations that remove @@ -499,116 +396,10 @@ // The reaction to a non-zero value of exp is to be defined. (void)exp; - // Determine the error type. - const char *bug_descr = "unknown-crash"; - u8 shadow_val = 0; - if (AddrIsInMem(addr)) { - u8 *shadow_addr = (u8*)MemToShadow(addr); - // If we are accessing 16 bytes, look at the second shadow byte. - if (*shadow_addr == 0 && access_size > SHADOW_GRANULARITY) - shadow_addr++; - // If we are in the partial right redzone, look at the next shadow byte. - if (*shadow_addr > 0 && *shadow_addr < 128) - shadow_addr++; - bool far_from_bounds = false; - shadow_val = *shadow_addr; - int bug_type_score = 0; - // For use-after-frees reads are almost as bad as writes. - int read_after_free_bonus = 0; - switch (shadow_val) { - case kAsanHeapLeftRedzoneMagic: - case kAsanArrayCookieMagic: - bug_descr = "heap-buffer-overflow"; - bug_type_score = 10; - far_from_bounds = AdjacentShadowValuesAreFullyPoisoned(shadow_addr); - break; - case kAsanHeapFreeMagic: - bug_descr = "heap-use-after-free"; - bug_type_score = 20; - if (!is_write) read_after_free_bonus = 18; - break; - case kAsanStackLeftRedzoneMagic: - bug_descr = "stack-buffer-underflow"; - bug_type_score = 25; - far_from_bounds = AdjacentShadowValuesAreFullyPoisoned(shadow_addr); - break; - case kAsanInitializationOrderMagic: - bug_descr = "initialization-order-fiasco"; - bug_type_score = 1; - break; - case kAsanStackMidRedzoneMagic: - case kAsanStackRightRedzoneMagic: - bug_descr = "stack-buffer-overflow"; - bug_type_score = 25; - far_from_bounds = AdjacentShadowValuesAreFullyPoisoned(shadow_addr); - break; - case kAsanStackAfterReturnMagic: - bug_descr = "stack-use-after-return"; - bug_type_score = 30; - if (!is_write) read_after_free_bonus = 18; - break; - case kAsanUserPoisonedMemoryMagic: - bug_descr = "use-after-poison"; - bug_type_score = 20; - break; - case kAsanContiguousContainerOOBMagic: - bug_descr = "container-overflow"; - bug_type_score = 10; - break; - case kAsanStackUseAfterScopeMagic: - bug_descr = "stack-use-after-scope"; - bug_type_score = 10; - break; - case kAsanGlobalRedzoneMagic: - bug_descr = "global-buffer-overflow"; - bug_type_score = 10; - far_from_bounds = AdjacentShadowValuesAreFullyPoisoned(shadow_addr); - break; - case kAsanIntraObjectRedzone: - bug_descr = "intra-object-overflow"; - bug_type_score = 10; - break; - case kAsanAllocaLeftMagic: - case kAsanAllocaRightMagic: - bug_descr = "dynamic-stack-buffer-overflow"; - bug_type_score = 25; - far_from_bounds = AdjacentShadowValuesAreFullyPoisoned(shadow_addr); - break; - } - SS.Scare(bug_type_score + read_after_free_bonus, bug_descr); - if (far_from_bounds) - SS.Scare(10, "far-from-bounds"); - } - - ReportData report = { pc, sp, bp, addr, (bool)is_write, access_size, - bug_descr }; - ScopedInErrorReport in_report(&report, fatal); - - Decorator d; - Printf("%s", d.Warning()); - Report("ERROR: AddressSanitizer: %s on address " - "%p at pc %p bp %p sp %p\n", - bug_descr, (void*)addr, pc, bp, sp); - Printf("%s", d.EndWarning()); - - u32 curr_tid = GetCurrentTidOrInvalid(); - char tname[128]; - Printf("%s%s of size %zu at %p thread T%d%s%s\n", - d.Access(), - access_size ? (is_write ? "WRITE" : "READ") : "ACCESS", - access_size, (void*)addr, curr_tid, - ThreadNameWithParenthesis(curr_tid, tname, sizeof(tname)), - d.EndAccess()); - - SS.Print(); - GET_STACK_TRACE_FATAL(pc, bp); - stack.Print(); - - PrintAddressDescription(addr, access_size, bug_descr); - if (shadow_val == kAsanContiguousContainerOOBMagic) - PrintContainerOverflowHint(); - ReportErrorSummary(bug_descr, &stack); - PrintShadowMemoryForAddress(addr); + ScopedInErrorReport in_report(fatal); + ErrorGeneric error(GetCurrentTidOrInvalid(), pc, bp, sp, addr, is_write, + access_size); + in_report.ReportError(error); } } // namespace __asan @@ -636,35 +427,50 @@ } int __asan_report_present() { - return report_happened ? 1 : 0; + return ScopedInErrorReport::CurrentError().kind == kErrorKindGeneric; } uptr __asan_get_report_pc() { - return report_data.pc; + if (ScopedInErrorReport::CurrentError().kind == kErrorKindGeneric) + return ScopedInErrorReport::CurrentError().Generic.pc; + return 0; } uptr __asan_get_report_bp() { - return report_data.bp; + if (ScopedInErrorReport::CurrentError().kind == kErrorKindGeneric) + return ScopedInErrorReport::CurrentError().Generic.bp; + return 0; } uptr __asan_get_report_sp() { - return report_data.sp; + if (ScopedInErrorReport::CurrentError().kind == kErrorKindGeneric) + return ScopedInErrorReport::CurrentError().Generic.sp; + return 0; } uptr __asan_get_report_address() { - return report_data.addr; + if (ScopedInErrorReport::CurrentError().kind == kErrorKindGeneric) + return ScopedInErrorReport::CurrentError() + .Generic.addr_description.Address(); + return 0; } int __asan_get_report_access_type() { - return report_data.is_write ? 1 : 0; + if (ScopedInErrorReport::CurrentError().kind == kErrorKindGeneric) + return ScopedInErrorReport::CurrentError().Generic.is_write; + return 0; } uptr __asan_get_report_access_size() { - return report_data.access_size; + if (ScopedInErrorReport::CurrentError().kind == kErrorKindGeneric) + return ScopedInErrorReport::CurrentError().Generic.access_size; + return 0; } const char *__asan_get_report_description() { - return report_data.description; + if (ScopedInErrorReport::CurrentError().kind == kErrorKindGeneric) + return ScopedInErrorReport::CurrentError().Generic.bug_descr; + return nullptr; } extern "C" {