1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/tools/insn_sanity.c b/arch/x86/tools/insn_sanity.c
index 872eb60e7806..ba70ff232917 100644
--- a/arch/x86/tools/insn_sanity.c
+++ b/arch/x86/tools/insn_sanity.c
@@ -254,7 +254,7 @@ int main(int argc, char **argv)
                         continue;
 
                 /* Decode an instruction */
-                insn_init(&insn, insn_buf, x86_64);
+                insn_init(&insn, insn_buf, sizeof(insn_buf), x86_64);
                 insn_get_length(&insn);
 
                 if (insn.next_byte <= insn.kaddr ||