diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c
index c1e10d088dbb7..547d139ab98af 100644
--- a/kernel/bpf/core.c
+++ b/kernel/bpf/core.c
@@ -2002,7 +2002,7 @@ static u64 ___bpf_prog_run(u64 *regs, const struct bpf_insn *insn)
 static unsigned int PROG_NAME(stack_size)(const void *ctx, const struct bpf_insn *insn) \
 { \
 	u64 stack[stack_size / sizeof(u64)]; \
-	u64 regs[MAX_BPF_EXT_REG]; \
+	u64 regs[MAX_BPF_EXT_REG] = {}; \
 \
 	FP = (u64) (unsigned long) &stack[ARRAY_SIZE(stack)]; \
 	ARG1 = (u64) (unsigned long) ctx; \