On Fri, 2013-04-26 at 03:51 -0400, Xi Wang wrote:

> +#ifdef CONFIG_SECCOMP_FILTER
> +                     case BPF_S_ANC_SECCOMP_LD_W:
> +                             if (K == offsetof(struct seccomp_data, arch)) {
> +                                     int arch = syscall_get_arch(current, 
> NULL);
> +
> +                                     EMIT1_off32(0xb8, arch); /* mov 
> arch,%eax */
> +                                     break;
> +                             }
> +                             func = (u8 *)seccomp_bpf_load;
> +                             t_offset = func - (image + addrs[i]);
> +                             EMIT1_off32(0xbf, K); /* mov imm32,%edi */
> +                             EMIT1_off32(0xe8, t_offset); /* call 
> seccomp_bpf_load */
> +                             break;
> +#endif

This seems seriously wrong to me.

This cannot have been tested at all.



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to