netdev - Re: [PATCH bpf-next 0/3] Add generic and raw BTF parsing APIs to libbpf

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 for Android: free password hash cracker in your pocket

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

Date:   Thu, 6 Aug 2020 11:01:57 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Andrii Nakryiko <andrii.nakryiko@...il.com>
Cc:     Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>,
        Andrii Nakryiko <andriin@...com>, bpf <bpf@...r.kernel.org>,
        Networking <netdev@...r.kernel.org>,
        Alexei Starovoitov <ast@...com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Kernel Team <kernel-team@...com>
Subject: Re: [PATCH bpf-next 0/3] Add generic and raw BTF parsing APIs to libbpf

On Thu, Aug 6, 2020 at 10:51 AM Andrii Nakryiko
<andrii.nakryiko@...il.com> wrote:
> > I haven't checked which of the patches, or some in other series caused
> > this on Clear Linux:
> >
> >   21 clearlinux:latest             : FAIL gcc (Clear Linux OS for Intel Architecture) 10.2.1 20200723 releases/gcc-10.2.0-3-g677b80db41, clang ver
> > sion 10.0.1
> >
> >   gcc (Clear Linux OS for Intel Architecture) 10.2.1 20200723 releases/gcc-10.2.0-3-g677b80db41
> >
> >   btf.c: In function 'btf__parse_raw':
> >   btf.c:625:28: error: 'btf' may be used uninitialized in this function [-Werror=maybe-uninitialized]
> >     625 |  return err ? ERR_PTR(err) : btf;
> >         |         ~~~~~~~~~~~~~~~~~~~^~~~~
> >
>
> Yeah, fixed in https://patchwork.ozlabs.org/project/netdev/patch/20200805223359.32109-1-danieltimlee@gmail.com/
>

Thanks for headsup.
The fix will be pushed to bpf tree when net tree gets ffwd-ed to
Linus. Hopefully today.