diff options
Diffstat (limited to 'compiler-rt/lib/asan/asan_interceptors.cc')
| -rw-r--r-- | compiler-rt/lib/asan/asan_interceptors.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler-rt/lib/asan/asan_interceptors.cc b/compiler-rt/lib/asan/asan_interceptors.cc index ddd92c7306b..22fc3156580 100644 --- a/compiler-rt/lib/asan/asan_interceptors.cc +++ b/compiler-rt/lib/asan/asan_interceptors.cc @@ -43,6 +43,10 @@ static inline bool QuickCheckForUnpoisonedRegion(uptr beg, uptr size) { uptr __offset = (uptr)(offset); \ uptr __size = (uptr)(size); \ uptr __bad = 0; \ + if (__offset > __offset + __size) { \ + GET_STACK_TRACE_FATAL_HERE; \ + ReportStringFunctionSizeOverflow(__offset, __size, &stack); \ + } \ if (!QuickCheckForUnpoisonedRegion(__offset, __size) && \ (__bad = __asan_region_is_poisoned(__offset, __size))) { \ GET_CURRENT_PC_BP_SP; \ |
