The epilogue code can be before the call to 'emit_return_zero_if_src_zero', but the code only supported a jump forward.
Fix the type of jump_to_epilogue from unsigned to signed, to be able to jump backward. Signed-off-by: Christophe Fontaine <[email protected]> --- lib/bpf/bpf_jit_arm64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/bpf/bpf_jit_arm64.c b/lib/bpf/bpf_jit_arm64.c index a04ef33a9c..099822e9f1 100644 --- a/lib/bpf/bpf_jit_arm64.c +++ b/lib/bpf/bpf_jit_arm64.c @@ -957,7 +957,7 @@ static void emit_return_zero_if_src_zero(struct a64_jit_ctx *ctx, bool is64, uint8_t src) { uint8_t r0 = ebpf_to_a64_reg(ctx, EBPF_REG_0); - uint16_t jump_to_epilogue; + int32_t jump_to_epilogue; emit_cbnz(ctx, is64, src, 3); emit_mov_imm(ctx, is64, r0, 0); -- 2.53.0
