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-rw-r--r--src/liblzma/check/crc_common.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/liblzma/check/crc_common.h b/src/liblzma/check/crc_common.h
index 4764eb17..c949f793 100644
--- a/src/liblzma/check/crc_common.h
+++ b/src/liblzma/check/crc_common.h
@@ -39,6 +39,16 @@
#endif
+// CRC CLMUL code needs this because accessing input buffers that aren't
+// aligned to the vector size will inherently trip the address sanitizer.
+#if lzma_has_attribute(__no_sanitize_address__)
+# define crc_attr_no_sanitize_address \
+ __attribute__((__no_sanitize_address__))
+#else
+# define crc_attr_no_sanitize_address
+#endif
+
+
// The inline keyword is only a suggestion to the compiler to substitute the
// body of the function into the places where it is called. If a function
// is large and called multiple times then compiler may choose to ignore the