netdev - Re: [PATCH 1/1] bpf: libbpf: retry loading program on EAGAIN

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Tue, 15 Jan 2019 21:53:37 +0100
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Lorenz Bauer <lmb@...udflare.com>, ast@...nel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH 1/1] bpf: libbpf: retry loading program on EAGAIN

On 01/08/2019 02:58 PM, Lorenz Bauer wrote:
> Commit c3494801cd1785e2 ("bpf: check pending signals while
> verifying programs") makes it possible for the BPF_PROG_LOAD
> to fail with EAGAIN. Retry unconditionally in this case.
> 
> Signed-off-by: Lorenz Bauer <lmb@...udflare.com>

Bit back and forth whether libbpf should actually do this and not
the application itself, otoh, until this point there was nothing
returning EAGAIN either during load so it avoids potential breakage,
anyway, applied, thanks!