[PATCH v3 net-next] fix unsafe set_memory_rw from softirq

Heiko Carstens heiko.carstens at de.ibm.com
Fri Oct 4 16:47:05 EST 2013


On Thu, Oct 03, 2013 at 07:24:06PM -0700, Alexei Starovoitov wrote:
> diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
> index 7092392..a5df511 100644
> --- a/arch/s390/net/bpf_jit_comp.c
> +++ b/arch/s390/net/bpf_jit_comp.c
> @@ -881,7 +881,9 @@ void bpf_jit_free(struct sk_filter *fp)
>  	struct bpf_binary_header *header = (void *)addr;
> 
>  	if (fp->bpf_func == sk_run_filter)
> -		return;
> +		goto free_filter;
>  	set_memory_rw(addr, header->pages);
>  	module_free(NULL, header);
> +free_filter:
> +	kfree(fp);
>  }

For the s390 part:

Acked-by: Heiko Carstens <heiko.carstens at de.ibm.com>



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