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authorMartin Liska <mliska@suse.cz>2019-08-14 10:47:36 +0200
committerMartin Liska <marxin@gcc.gnu.org>2019-08-14 08:47:36 +0000
commit47f0255fbb553fe0763dda742c2719ce513466b6 (patch)
tree99d7d9b2b0ba9c691aae76b44af58e2ccc7f6941 /libsanitizer/ubsan
parentb667dd7017a8f9d36d3ab266f22290d75fa527b0 (diff)
Reapply all revisions mentioned in LOCAL_PATCHES.
2019-08-14 Martin Liska <mliska@suse.cz> * asan/asan_globals.cpp (CheckODRViolationViaIndicator): Reapply patch from trunk. (CheckODRViolationViaPoisoning): Likewise. (RegisterGlobal): Likewise. * asan/asan_mapping.h: Likewise. * sanitizer_common/sanitizer_linux_libcdep.cpp (defined): Likewise. * sanitizer_common/sanitizer_mac.cpp (defined): Likewise. * sanitizer_common/sanitizer_platform_limits_linux.cpp (defined): Likewise. * sanitizer_common/sanitizer_platform_limits_posix.h (defined): Likewise. * sanitizer_common/sanitizer_stacktrace.cpp (GetCanonicFrame): Likewise. * ubsan/ubsan_handlers.cpp (__ubsan::__ubsan_handle_cfi_bad_icall): Likewise. (__ubsan::__ubsan_handle_cfi_bad_icall_abort): Likewise. * ubsan/ubsan_handlers.h (struct CFIBadIcallData): Likewise. (struct CFICheckFailData): Likewise. (RECOVERABLE): Likewise. * ubsan/ubsan_platform.h: Likewise. From-SVN: r274427
Diffstat (limited to 'libsanitizer/ubsan')
-rw-r--r--libsanitizer/ubsan/ubsan_handlers.cpp15
-rw-r--r--libsanitizer/ubsan/ubsan_handlers.h8
-rw-r--r--libsanitizer/ubsan/ubsan_platform.h2
3 files changed, 25 insertions, 0 deletions
diff --git a/libsanitizer/ubsan/ubsan_handlers.cpp b/libsanitizer/ubsan/ubsan_handlers.cpp
index e832581f9dc..6099e3631e7 100644
--- a/libsanitizer/ubsan/ubsan_handlers.cpp
+++ b/libsanitizer/ubsan/ubsan_handlers.cpp
@@ -800,6 +800,21 @@ void __ubsan_handle_cfi_bad_type(CFICheckFailData *Data, ValueHandle Vtable,
} // namespace __ubsan
+void __ubsan::__ubsan_handle_cfi_bad_icall(CFIBadIcallData *CallData,
+ ValueHandle Function) {
+ GET_REPORT_OPTIONS(false);
+ CFICheckFailData Data = {CFITCK_ICall, CallData->Loc, CallData->Type};
+ handleCFIBadIcall(&Data, Function, Opts);
+}
+
+void __ubsan::__ubsan_handle_cfi_bad_icall_abort(CFIBadIcallData *CallData,
+ ValueHandle Function) {
+ GET_REPORT_OPTIONS(true);
+ CFICheckFailData Data = {CFITCK_ICall, CallData->Loc, CallData->Type};
+ handleCFIBadIcall(&Data, Function, Opts);
+ Die();
+}
+
void __ubsan::__ubsan_handle_cfi_check_fail(CFICheckFailData *Data,
ValueHandle Value,
uptr ValidVtable) {
diff --git a/libsanitizer/ubsan/ubsan_handlers.h b/libsanitizer/ubsan/ubsan_handlers.h
index 22ca9642238..eba1cf918fc 100644
--- a/libsanitizer/ubsan/ubsan_handlers.h
+++ b/libsanitizer/ubsan/ubsan_handlers.h
@@ -207,12 +207,20 @@ enum CFITypeCheckKind : unsigned char {
CFITCK_VMFCall,
};
+struct CFIBadIcallData {
+ SourceLocation Loc;
+ const TypeDescriptor &Type;
+};
+
struct CFICheckFailData {
CFITypeCheckKind CheckKind;
SourceLocation Loc;
const TypeDescriptor &Type;
};
+/// \brief Handle control flow integrity failure for indirect function calls.
+RECOVERABLE(cfi_bad_icall, CFIBadIcallData *Data, ValueHandle Function)
+
/// \brief Handle control flow integrity failures.
RECOVERABLE(cfi_check_fail, CFICheckFailData *Data, ValueHandle Function,
uptr VtableIsValid)
diff --git a/libsanitizer/ubsan/ubsan_platform.h b/libsanitizer/ubsan/ubsan_platform.h
index 71d7fb18c9b..58aabbe67b5 100644
--- a/libsanitizer/ubsan/ubsan_platform.h
+++ b/libsanitizer/ubsan/ubsan_platform.h
@@ -12,6 +12,7 @@
#ifndef UBSAN_PLATFORM_H
#define UBSAN_PLATFORM_H
+#ifndef CAN_SANITIZE_UB
// Other platforms should be easy to add, and probably work as-is.
#if defined(__linux__) || defined(__FreeBSD__) || defined(__APPLE__) || \
defined(__NetBSD__) || defined(__OpenBSD__) || \
@@ -21,5 +22,6 @@
#else
# define CAN_SANITIZE_UB 0
#endif
+#endif //CAN_SANITIZE_UB
#endif