linux-kernel - Re: ERROR: INT DW_ATE_unsigned

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

Message-ID: <CA+icZUU2xmZ=mhVYLRk7nZBRW0+v+YqBzq18ysnd7xN+S7JHyg@mail.gmail.com>
Date:   Fri, 5 Feb 2021 15:41:17 +0100
From:   Sedat Dilek <sedat.dilek@...il.com>
To:     Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
Cc:     dwarves@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        bpf@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
        Jan Engelhardt <jengelh@...i.de>,
        Domenico Andreoli <cavok@...ian.org>,
        Matthias Schwarzott <zzam@...too.org>,
        Andrii Nakryiko <andriin@...com>, Yonghong Song <yhs@...com>,
        Mark Wieelard <mjw@...hat.com>,
        Paul Moore <paul@...l-moore.com>,
        Ondrej Mosnacek <omosnace@...hat.com>,
        Daniel P. Berrangé <berrange@...hat.com>,
        Tom Stellard <tstellar@...hat.com>
Subject: Re: ERROR: INT DW_ATE_unsigned_1 Error emitting BTF type

On Fri, Feb 5, 2021 at 3:37 PM Sedat Dilek <sedat.dilek@...il.com> wrote:
>
> Hi,
>
> when building with pahole v1.20 and binutils v2.35.2 plus Clang
> v12.0.0-rc1 and DWARF-v5 I see:
> ...
> + info BTF .btf.vmlinux.bin.o
> + [  != silent_ ]
> + printf   %-7s %s\n BTF .btf.vmlinux.bin.o
>  BTF     .btf.vmlinux.bin.o
> + LLVM_OBJCOPY=/opt/binutils/bin/objcopy /opt/pahole/bin/pahole -J
> .tmp_vmlinux.btf
> [115] INT DW_ATE_unsigned_1 Error emitting BTF type
> Encountered error while encoding BTF.

Grepping the pahole sources:

$ git grep DW_ATE
dwarf_loader.c:         bt->is_bool = encoding == DW_ATE_boolean;
dwarf_loader.c:         bt->is_signed = encoding == DW_ATE_signed;

Missing DW_ATE_unsigned encoding?

- Sedat -