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  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Mon, 13 Jan 2020 21:23:50 -0800
From:   Alexei Starovoitov <>
To:     Zong Li <>
Cc:     Alexandre Ghiti <>,
        Palmer Dabbelt <>,
        Stephen Rothwell <>,
        Daniel Borkmann <>,
        Alexei Starovoitov <>,
        Network Development <>,
        Linux-Next Mailing List <>,
        " List" <>,
        ppc-dev <>,
        linux-arm-kernel <>
Subject: Re: linux-next: build warning after merge of the bpf-next tree

On Sun, Jan 12, 2020 at 8:33 PM Zong Li <> wrote:
> I'm not quite familiar with btf, so I have no idea why there are two
> weak symbols be added in 8580ac9404f6 ("bpf: Process in-kernel BTF")

I can explain what these weak symbols are for, but that won't change
the fact that compiler or linker are buggy. The weak symbols should work
in all cases and compiler should pick correct relocation.
In this case it sounds that compiler picked relative relocation and failed
to reach zero from that address.

Powered by blists - more mailing lists