Re: bpfilter logging write errors in dmesg
From: Rodrigo Madera
Date: Thu Jul 30 2020 - 11:55:34 EST
On Thu, Jul 30, 2020 at 08:06:54AM +0200, Christoph Hellwig wrote:
> Ho Rodrigo,
>
> please try this patch:
>
> diff --git a/net/bpfilter/bpfilter_kern.c b/net/bpfilter/bpfilter_kern.c
> index 1905e01c3aa9a7..4494ea6056cdb8 100644
> --- a/net/bpfilter/bpfilter_kern.c
> +++ b/net/bpfilter/bpfilter_kern.c
> @@ -39,7 +39,7 @@ static int __bpfilter_process_sockopt(struct sock *sk, int optname,
> {
> struct mbox_request req;
> struct mbox_reply reply;
> - loff_t pos;
> + loff_t pos = 0;
> ssize_t n;
> int ret = -EFAULT;
>
Christoph,
This killed the issue!
Can't believe I missed it... The pos numbers were a dead giveaway!
Let me know if you wish to do any other tests on my end.
Best regards,
Madera