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-rw-r--r--arch/arm64/kernel/stacktrace.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c
index 8982a2b78acf..c30624fff6ac 100644
--- a/arch/arm64/kernel/stacktrace.c
+++ b/arch/arm64/kernel/stacktrace.c
@@ -41,6 +41,9 @@ void start_backtrace(struct stackframe *frame, unsigned long fp,
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
frame->graph = 0;
#endif
+#ifdef CONFIG_KRETPROBES
+ frame->kr_cur = NULL;
+#endif
/*
* Prime the first unwind.
@@ -129,6 +132,10 @@ int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame)
frame->pc = ret_stack->ret;
}
#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
+#ifdef CONFIG_KRETPROBES
+ if (is_kretprobe_trampoline(frame->pc))
+ frame->pc = kretprobe_find_ret_addr(tsk, (void *)frame->fp, &frame->kr_cur);
+#endif
frame->pc = ptrauth_strip_insn_pac(frame->pc);