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-rw-r--r--compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.cc b/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.cc
index 3533b9c01f7..143019b9efe 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.cc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_stacktrace.cc
@@ -137,6 +137,7 @@ void StackTrace::FastUnwindStack(uptr pc, uptr bp,
while (frame > prev_frame &&
frame < (uhwptr *)stack_top - 2 &&
frame > (uhwptr *)stack_bottom &&
+ IsAligned((uptr)frame, sizeof(*frame)) &&
size < max_size) {
uhwptr pc1 = frame[1];
if (pc1 != pc) {
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