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-rw-r--r--arch/x86/kernel/kprobes.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index 9453815..5de9f4a 100644
--- a/arch/x86/kernel/kprobes.c
+++ b/arch/x86/kernel/kprobes.c
@@ -337,6 +337,9 @@ static void __kprobes arch_copy_kprobe(struct kprobe *p)
int __kprobes arch_prepare_kprobe(struct kprobe *p)
{
+ if (alternatives_text_reserved(p->addr, p->addr))
+ return -EINVAL;
+
if (!can_probe((unsigned long)p->addr))
return -EILSEQ;
/* insn: must be on special executable page on x86. */
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