Date: Mon, 5 Jun 2023 12:00:18 +0100 From: Nuno Teixeira <eduardo@freebsd.org> To: Ganael LAPLANCHE <martymac@freebsd.org> Cc: ports-committers@freebsd.org, dev-commits-ports-all@freebsd.org, dev-commits-ports-main@freebsd.org Subject: Re: git: f05f6dcedb5d - main - comms/gqrx: Turn off ASLR Message-ID: <CAFDf7UJCtMCew9XH1cwmVQ9v_vxOYX=nO4B5zGxn93YYBNH1XQ@mail.gmail.com> In-Reply-To: <CAFDf7ULNC7JWYfYjo0pwz1dXYqMxVPP9TVxd_gvyL7Q8aFemEA@mail.gmail.com> References: <202306051020.355AKv8s099426@gitrepo.freebsd.org> <CAFDf7ULNC7JWYfYjo0pwz1dXYqMxVPP9TVxd_gvyL7Q8aFemEA@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
--000000000000a94bc005fd5fcf95
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
(...)
Find it:
# Change an ELF binary's feature control note
#
# Feature: elfctl
# Usage: USES=3Delfctl
# Valid ARGS: none
#
# Variables
#
# ELF_FEATURES=3D featurelist:path/to/file1 \
# featurelist:path/to/file1 \
featurelist:path/to/file2
#
# The file paths listed in ELF_FEATURES are relative to ${BUILD_WRKSRC}.
#
Nice!
Nuno Teixeira <eduardo@freebsd.org> escreveu no dia segunda, 5/06/2023 =C3=
=A0(s)
11:49:
> Hello Ganael,
>
> I didn't know that were a way to disabling aslr in a port! This is really
> nice.
>
> I'm having a lot of segfaults and tab crashing on firefox @aarch64 and
> mikael@ sugested turning it off to see if it fixes.
> I will test first with sysctl aslr off and if it works I will test port
> option.
>
> So syntax is:
>
> USES+=3D elfctl
> ELF_FEATURES=3D +noasr:<path_to_something>?
>
> Thanks,
>
> Ganael LAPLANCHE <martymac@freebsd.org> escreveu no dia segunda,
> 5/06/2023 =C3=A0(s) 11:20:
>
>> The branch main has been updated by martymac:
>>
>> URL:
>> https://cgit.FreeBSD.org/ports/commit/?id=3Df05f6dcedb5dad5b7b515ebede9b=
f6a58de1d46c
>>
>> commit f05f6dcedb5dad5b7b515ebede9bf6a58de1d46c
>> Author: Ganael LAPLANCHE <martymac@FreeBSD.org>
>> AuthorDate: 2023-06-05 10:18:04 +0000
>> Commit: Ganael LAPLANCHE <martymac@FreeBSD.org>
>> CommitDate: 2023-06-05 10:18:04 +0000
>>
>> comms/gqrx: Turn off ASLR
>>
>> Disable ASLR to work around the following crash:
>>
>> Program terminated with signal SIGSEGV, Segmentation fault.
>> Address not mapped to object.
>> --Type <RET> for more, q to quit, c to continue without paging--
>> 0 0x000000082e9feecf in volk_32f_x2_dot_prod_32f_a_avx2_fma
>> (result=3D0x85185d7e0, input=3D0x906a9ab80, taps=3D0x8927eaa00, num_poin=
ts=3D289)
>> at
>> /usr/ports/devel/volk/work/volk-2.5.1/kernels/volk/volk_32f_x2_dot_prod_=
32f.h:833
>> 833 dotProduct +=3D ((*aPtr++) * (*bPtr++));
>> [Current thread is 1 (LWP 126875)]
>> (gdb) bt
>> 0 0x000000082e9feecf in volk_32f_x2_dot_prod_32f_a_avx2_fma
>> (result=3D0x85185d7e0, input=3D0x906a9ab80, taps=3D0x8927eaa00, num_poin=
ts=3D289)
>> at
>> /usr/ports/devel/volk/work/volk-2.5.1/kernels/volk/volk_32f_x2_dot_prod_=
32f.h:833
>> 1 0x000000082e776b17 in __volk_32f_x2_dot_prod_32f_a
>> (result=3D0x85185d7e0, input=3D0x906a9ab80, taps=3D0x8927eaa00, num_poin=
ts=3D289)
>> at /usr/ports/devel/volk/work/.build/lib/volk.c:5336
>> 2 0x0000000825fe0b83 in gr::filter::kernel::fir_filter<float, float=
,
>> float>::filterN(float*, float const*, unsigned long) () from
>> /usr/local/lib/libgnuradio-filter.so.3.8.4
>> ---
>> comms/gqrx/Makefile | 5 ++++-
>> 1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/comms/gqrx/Makefile b/comms/gqrx/Makefile
>> index 927e049b2774..2974b7542287 100644
>> --- a/comms/gqrx/Makefile
>> +++ b/comms/gqrx/Makefile
>> @@ -1,6 +1,7 @@
>> PORTNAME=3D gqrx
>> PORTVERSION=3D 2.16
>> DISTVERSIONPREFIX=3D v
>> +PORTREVISION=3D 1
>> PORTEPOCH=3D 1
>> CATEGORIES=3D comms hamradio
>>
>> @@ -31,7 +32,9 @@ LIB_DEPENDS=3D libgnuradio-runtime.so:comms/gnuradio =
\
>> libjack.so:audio/jack \
>> libportaudio.so:audio/portaudio
>>
>> -USES=3D cmake compiler:c++11-lang gl pkgconfig qt:5
>> +USES=3D cmake compiler:c++11-lang elfctl gl pkgconfig qt:5
>> +
>> +ELF_FEATURES=3D +noaslr:src/gqrx
>>
>> USE_GITHUB=3D yes
>> GH_ACCOUNT=3D gqrx-sdr
>>
>
>
> --
> Nuno Teixeira
> FreeBSD Committer (ports)
>
--=20
Nuno Teixeira
FreeBSD Committer (ports)
--000000000000a94bc005fd5fcf95
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr"><div>(...)</div><div><br></div><div>Find it:</div><div><br=
></div><div># Change an ELF binary's feature control note<br>#<br># Fea=
ture: =C2=A0 =C2=A0 =C2=A0elfctl<br># Usage: =C2=A0 =C2=A0 =C2=A0 =C2=A0USE=
S=3Delfctl<br># Valid ARGS: =C2=A0 none<br>#<br># Variables<br>#<br># =C2=
=A0 ELF_FEATURES=3D =C2=A0 =C2=A0 =C2=A0 featurelist:path/to/file1 \<br># =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 featurelist:path/to/file1 \<br>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 featurelist:path/to/file2<br>=
#<br># The file paths listed in ELF_FEATURES are relative to ${BUILD_WRKSRC=
}.<br>#</div><div><br></div><div>Nice!<br></div></div><br><div class=3D"gma=
il_quote"><div dir=3D"ltr" class=3D"gmail_attr">Nuno Teixeira <<a href=
=3D"mailto:eduardo@freebsd.org">eduardo@freebsd.org</a>> escreveu no dia=
segunda, 5/06/2023 =C3=A0(s) 11:49:<br></div><blockquote class=3D"gmail_qu=
ote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,20=
4);padding-left:1ex"><div dir=3D"ltr"><div>Hello Ganael,</div><div><br></di=
v><div>I didn't know that were a way to disabling aslr in a port! This =
is really nice.</div><div><br></div><div>I'm having a lot of segfaults =
and tab crashing on firefox <a class=3D"gmail_plusreply" id=3D"m_-202790218=
279632959plusReplyChip-0">@aarch64</a> and mikael@ sugested turning it off =
to see if it fixes.</div><div>I will test first with sysctl aslr off and if=
it works I will test port option.</div><div><br></div><div>So syntax is:</=
div><div><br></div><div>USES+=3D elfctl</div><div>ELF_FEATURES=3D <a class=
=3D"gmail_plusreply" id=3D"m_-202790218279632959plusReplyChip-2">+noasr:<=
;path_to_something>?</a></div><div><a class=3D"gmail_plusreply" id=3D"m_=
-202790218279632959plusReplyChip-2"><br></a></div><div><a class=3D"gmail_pl=
usreply" id=3D"m_-202790218279632959plusReplyChip-2">Thanks,<br></a></div><=
/div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">G=
anael LAPLANCHE <<a href=3D"mailto:martymac@freebsd.org" target=3D"_blan=
k">martymac@freebsd.org</a>> escreveu no dia segunda, 5/06/2023 =C3=A0(s=
) 11:20:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px=
0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">The bra=
nch main has been updated by martymac:<br>
<br>
URL: <a href=3D"https://cgit.FreeBSD.org/ports/commit/?id=3Df05f6dcedb5dad5=
b7b515ebede9bf6a58de1d46c" rel=3D"noreferrer" target=3D"_blank">https://cgi=
t.FreeBSD.org/ports/commit/?id=3Df05f6dcedb5dad5b7b515ebede9bf6a58de1d46c</=
a><br>
<br>
commit f05f6dcedb5dad5b7b515ebede9bf6a58de1d46c<br>
Author:=C2=A0 =C2=A0 =C2=A0Ganael LAPLANCHE <martymac@FreeBSD.org><br=
>
AuthorDate: 2023-06-05 10:18:04 +0000<br>
Commit:=C2=A0 =C2=A0 =C2=A0Ganael LAPLANCHE <martymac@FreeBSD.org><br=
>
CommitDate: 2023-06-05 10:18:04 +0000<br>
<br>
=C2=A0 =C2=A0 comms/gqrx: Turn off ASLR<br>
<br>
=C2=A0 =C2=A0 Disable ASLR to work around the following crash:<br>
<br>
=C2=A0 =C2=A0 Program terminated with signal SIGSEGV, Segmentation fault.<b=
r>
=C2=A0 =C2=A0 Address not mapped to object.<br>
=C2=A0 =C2=A0 --Type <RET> for more, q to quit, c to continue without=
paging--<br>
=C2=A0 =C2=A0 0=C2=A0 0x000000082e9feecf in volk_32f_x2_dot_prod_32f_a_avx2=
_fma (result=3D0x85185d7e0, input=3D0x906a9ab80, taps=3D0x8927eaa00, num_po=
ints=3D289) at /usr/ports/devel/volk/work/volk-2.5.1/kernels/volk/volk_32f_=
x2_dot_prod_32f.h:833<br>
=C2=A0 =C2=A0 833=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0dotProduct=
+=3D ((*aPtr++) * (*bPtr++));<br>
=C2=A0 =C2=A0 [Current thread is 1 (LWP 126875)]<br>
=C2=A0 =C2=A0 (gdb) bt<br>
=C2=A0 =C2=A0 0=C2=A0 0x000000082e9feecf in volk_32f_x2_dot_prod_32f_a_avx2=
_fma (result=3D0x85185d7e0, input=3D0x906a9ab80, taps=3D0x8927eaa00, num_po=
ints=3D289) at /usr/ports/devel/volk/work/volk-2.5.1/kernels/volk/volk_32f_=
x2_dot_prod_32f.h:833<br>
=C2=A0 =C2=A0 1=C2=A0 0x000000082e776b17 in __volk_32f_x2_dot_prod_32f_a (r=
esult=3D0x85185d7e0, input=3D0x906a9ab80, taps=3D0x8927eaa00, num_points=3D=
289) at /usr/ports/devel/volk/work/.build/lib/volk.c:5336<br>
=C2=A0 =C2=A0 2=C2=A0 0x0000000825fe0b83 in gr::filter::kernel::fir_filter&=
lt;float, float, float>::filterN(float*, float const*, unsigned long) ()=
from /usr/local/lib/libgnuradio-filter.so.3.8.4<br>
---<br>
=C2=A0comms/gqrx/Makefile | 5 ++++-<br>
=C2=A01 file changed, 4 insertions(+), 1 deletion(-)<br>
<br>
diff --git a/comms/gqrx/Makefile b/comms/gqrx/Makefile<br>
index 927e049b2774..2974b7542287 100644<br>
--- a/comms/gqrx/Makefile<br>
+++ b/comms/gqrx/Makefile<br>
@@ -1,6 +1,7 @@<br>
=C2=A0PORTNAME=3D=C2=A0 =C2=A0 =C2=A0 gqrx<br>
=C2=A0PORTVERSION=3D=C2=A0 =C2=A02.16<br>
=C2=A0DISTVERSIONPREFIX=3D=C2=A0 =C2=A0 =C2=A0v<br>
+PORTREVISION=3D=C2=A0 1<br>
=C2=A0PORTEPOCH=3D=C2=A0 =C2=A0 =C2=A01<br>
=C2=A0CATEGORIES=3D=C2=A0 =C2=A0 comms hamradio<br>
<br>
@@ -31,7 +32,9 @@ LIB_DEPENDS=3D=C2=A0 libgnuradio-runtime.so:comms/gnuradi=
o \<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 libjack.so:audio/ja=
ck \<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 libportaudio.so:aud=
io/portaudio<br>
<br>
-USES=3D=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 cmake compiler:c++11-lang gl pkg=
config qt:5<br>
+USES=3D=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 cmake compiler:c++11-lang elfctl=
gl pkgconfig qt:5<br>
+<br>
+ELF_FEATURES=3D=C2=A0 +noaslr:src/gqrx<br>
<br>
=C2=A0USE_GITHUB=3D=C2=A0 =C2=A0 yes<br>
=C2=A0GH_ACCOUNT=3D=C2=A0 =C2=A0 gqrx-sdr<br>
</blockquote></div><br clear=3D"all"><br><span class=3D"gmail_signature_pre=
fix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature"><div dir=3D"l=
tr"><span style=3D"color:rgb(102,102,102)">Nuno Teixeira<br>FreeBSD Committ=
er (ports)</span></div></div>
</blockquote></div><br clear=3D"all"><br><span class=3D"gmail_signature_pre=
fix">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature"><div dir=3D"l=
tr"><span style=3D"color:rgb(102,102,102)">Nuno Teixeira<br>FreeBSD Committ=
er (ports)</span></div></div>
--000000000000a94bc005fd5fcf95--
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAFDf7UJCtMCew9XH1cwmVQ9v_vxOYX=nO4B5zGxn93YYBNH1XQ>