[PATCH bpf-next v5 4/5] bpf, x86: Emit ENDBR for indirect jump targets

[Eduard Zingerman]

On Mon, 2026-03-02 at 18:27 +0800, Xu Kuohai wrote:

[...]

> @@ -2449,7 +2452,7 @@ st:			if (is_imm8(insn->off))
>  
>  			/* call */
>  		case BPF_JMP | BPF_CALL: {
> -			u8 *ip = image + addrs[i - 1];
> +			u8 *ip = image + addrs[i - 1] + (prog - temp);
                                                        ^^^^^^^^^^^^^
			Could you please comment a bit why this addend is needed?
>  
>  			func = (u8 *) __bpf_call_base + imm32;
>  			if (src_reg == BPF_PSEUDO_CALL && tail_call_reachable) {

[...]