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-rw-r--r--kernel/kcov.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/kcov.c b/kernel/kcov.c
index cc2fa35ca480..85e5546cd791 100644
--- a/kernel/kcov.c
+++ b/kernel/kcov.c
@@ -19,6 +19,7 @@
#include <linux/debugfs.h>
#include <linux/uaccess.h>
#include <linux/kcov.h>
+#include <asm/setup.h>
/*
* kcov descriptor (one per opened debugfs file).
@@ -73,6 +74,11 @@ void notrace __sanitizer_cov_trace_pc(void)
if (mode == KCOV_MODE_TRACE) {
unsigned long *area;
unsigned long pos;
+ unsigned long ip = _RET_IP_;
+
+#ifdef CONFIG_RANDOMIZE_BASE
+ ip -= kaslr_offset();
+#endif
/*
* There is some code that runs in interrupts but for which
@@ -86,7 +92,7 @@ void notrace __sanitizer_cov_trace_pc(void)
/* The first word is number of subsequent PCs. */
pos = READ_ONCE(area[0]) + 1;
if (likely(pos < t->kcov_size)) {
- area[pos] = _RET_IP_;
+ area[pos] = ip;
WRITE_ONCE(area[0], pos);
}
}