1 files changed, 3 insertions, 0 deletions

diff --git a/arch/sparc/kernel/kprobes.c b/arch/sparc/kernel/kprobes.c
index 3bc6527c95a..6716584e48a 100644
--- a/arch/sparc/kernel/kprobes.c
+++ b/arch/sparc/kernel/kprobes.c
@@ -46,6 +46,9 @@ struct kretprobe_blackpoint kretprobe_blacklist[] = {{NULL, NULL}};
 
 int __kprobes arch_prepare_kprobe(struct kprobe *p)
 {
+        if ((unsigned long) p->addr & 0x3UL)
+                return -EILSEQ;
+
         p->ainsn.insn[0] = *p->addr;
         flushi(&p->ainsn.insn[0]);