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-rw-r--r--lib/Makefile4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Makefile b/lib/Makefile
index 93d05ff4f501..3fc06399295d 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -223,6 +223,10 @@ obj-$(CONFIG_MEMREGION) += memregion.o
obj-$(CONFIG_STMP_DEVICE) += stmp_device.o
obj-$(CONFIG_IRQ_POLL) += irq_poll.o
+# stackdepot.c should not be instrumented or call instrumented functions.
+# Prevent the compiler from calling builtins like memcmp() or bcmp() from this
+# file.
+CFLAGS_stackdepot.o += -fno-builtin
obj-$(CONFIG_STACKDEPOT) += stackdepot.o
KASAN_SANITIZE_stackdepot.o := n
KCOV_INSTRUMENT_stackdepot.o := n