From: Stephen Hemminger <stephen@networkplumber•org>
To: Daniel Borkmann <daniel@iogearbox•net>
Cc: ast@fb•com, netdev@vger•kernel.org
Subject: Re: [PATCH iproute2 master 1/2] bpf: improve error reporting around tail calls
Date: Fri, 21 Jul 2017 16:28:25 -0700 [thread overview]
Message-ID: <20170721162825.0b42e9ba@xeon-e3> (raw)
In-Reply-To: <b0bf43dac3babbb1a78fabeeb2a3a069db4f262c.1500663605.git.daniel@iogearbox.net>
On Fri, 21 Jul 2017 21:13:06 +0200
Daniel Borkmann <daniel@iogearbox•net> wrote:
> Currently, it's still quite hard to figure out if a prog passed the
> verifier, but later gets rejected due to different tail call ownership.
> Figure out whether that is the case and provide appropriate error
> messages to the user.
>
> Signed-off-by: Daniel Borkmann <daniel@iogearbox•net>
Sorry, dead code. Please fix and resubmit.
bpf.c:356:12: warning: ‘bpf_derive_prog_from_fdinfo’ defined but not used [-Wunused-function]
static int bpf_derive_prog_from_fdinfo(int fd, struct bpf_prog_data *prog)
next prev parent reply other threads:[~2017-07-21 23:28 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-21 19:13 [PATCH iproute2 master 0/2] Minor BPF updates Daniel Borkmann
2017-07-21 19:13 ` [PATCH iproute2 master 1/2] bpf: improve error reporting around tail calls Daniel Borkmann
2017-07-21 23:28 ` Stephen Hemminger [this message]
2017-07-22 8:06 ` Daniel Borkmann
2017-07-21 19:13 ` [PATCH iproute2 master 2/2] bpf: fix mnt path when from env Daniel Borkmann
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