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>
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[-- Attachment #1 --]
(...)
Find it:
# Change an ELF binary's feature control note
#
# Feature: elfctl
# Usage: USES=elfctl
# Valid ARGS: none
#
# Variables
#
# ELF_FEATURES= 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 à(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+= elfctl
> ELF_FEATURES= +noasr:<path_to_something>?
>
> Thanks,
>
> Ganael LAPLANCHE <martymac@freebsd.org> escreveu no dia segunda,
> 5/06/2023 à(s) 11:20:
>
>> The branch main has been updated by martymac:
>>
>> URL:
>> https://cgit.FreeBSD.org/ports/commit/?id=f05f6dcedb5dad5b7b515ebede9bf6a58de1d46c
>>
>> 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=0x85185d7e0, input=0x906a9ab80, taps=0x8927eaa00, num_points=289)
>> at
>> /usr/ports/devel/volk/work/volk-2.5.1/kernels/volk/volk_32f_x2_dot_prod_32f.h:833
>> 833 dotProduct += ((*aPtr++) * (*bPtr++));
>> [Current thread is 1 (LWP 126875)]
>> (gdb) bt
>> 0 0x000000082e9feecf in volk_32f_x2_dot_prod_32f_a_avx2_fma
>> (result=0x85185d7e0, input=0x906a9ab80, taps=0x8927eaa00, num_points=289)
>> 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=0x85185d7e0, input=0x906a9ab80, taps=0x8927eaa00, num_points=289)
>> 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= gqrx
>> PORTVERSION= 2.16
>> DISTVERSIONPREFIX= v
>> +PORTREVISION= 1
>> PORTEPOCH= 1
>> CATEGORIES= comms hamradio
>>
>> @@ -31,7 +32,9 @@ LIB_DEPENDS= libgnuradio-runtime.so:comms/gnuradio \
>> libjack.so:audio/jack \
>> libportaudio.so:audio/portaudio
>>
>> -USES= cmake compiler:c++11-lang gl pkgconfig qt:5
>> +USES= cmake compiler:c++11-lang elfctl gl pkgconfig qt:5
>> +
>> +ELF_FEATURES= +noaslr:src/gqrx
>>
>> USE_GITHUB= yes
>> GH_ACCOUNT= gqrx-sdr
>>
>
>
> --
> Nuno Teixeira
> FreeBSD Committer (ports)
>
--
Nuno Teixeira
FreeBSD Committer (ports)
[-- Attachment #2 --]
<div dir="ltr"><div>(...)</div><div><br></div><div>Find it:</div><div><br></div><div># Change an ELF binary's feature control note<br>#<br># Feature: elfctl<br># Usage: USES=elfctl<br># Valid ARGS: none<br>#<br># Variables<br>#<br># ELF_FEATURES= featurelist:path/to/file1 \<br># featurelist:path/to/file1 \<br> 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="gmail_quote"><div dir="ltr" class="gmail_attr">Nuno Teixeira <<a href="mailto:eduardo@freebsd.org">eduardo@freebsd.org</a>> escreveu no dia segunda, 5/06/2023 à(s) 11:49:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Hello Ganael,</div><div><br></div><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="gmail_plusreply" id="m_-202790218279632959plusReplyChip-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+= elfctl</div><div>ELF_FEATURES= <a class="gmail_plusreply" id="m_-202790218279632959plusReplyChip-2">+noasr:<path_to_something>?</a></div><div><a class="gmail_plusreply" id="m_-202790218279632959plusReplyChip-2"><br></a></div><div><a class="gmail_plusreply" id="m_-202790218279632959plusReplyChip-2">Thanks,<br></a></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">Ganael LAPLANCHE <<a href="mailto:martymac@freebsd.org" target="_blank">martymac@freebsd.org</a>> escreveu no dia segunda, 5/06/2023 à(s) 11:20:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">The branch main has been updated by martymac:<br>
<br>
URL: <a href="https://cgit.FreeBSD.org/ports/commit/?id=f05f6dcedb5dad5b7b515ebede9bf6a58de1d46c" rel="noreferrer" target="_blank">https://cgit.FreeBSD.org/ports/commit/?id=f05f6dcedb5dad5b7b515ebede9bf6a58de1d46c</a><br>;
<br>
commit f05f6dcedb5dad5b7b515ebede9bf6a58de1d46c<br>
Author: Ganael LAPLANCHE <martymac@FreeBSD.org><br>
AuthorDate: 2023-06-05 10:18:04 +0000<br>
Commit: Ganael LAPLANCHE <martymac@FreeBSD.org><br>
CommitDate: 2023-06-05 10:18:04 +0000<br>
<br>
comms/gqrx: Turn off ASLR<br>
<br>
Disable ASLR to work around the following crash:<br>
<br>
Program terminated with signal SIGSEGV, Segmentation fault.<br>
Address not mapped to object.<br>
--Type <RET> for more, q to quit, c to continue without paging--<br>
0 0x000000082e9feecf in volk_32f_x2_dot_prod_32f_a_avx2_fma (result=0x85185d7e0, input=0x906a9ab80, taps=0x8927eaa00, num_points=289) at /usr/ports/devel/volk/work/volk-2.5.1/kernels/volk/volk_32f_x2_dot_prod_32f.h:833<br>
833 dotProduct += ((*aPtr++) * (*bPtr++));<br>
[Current thread is 1 (LWP 126875)]<br>
(gdb) bt<br>
0 0x000000082e9feecf in volk_32f_x2_dot_prod_32f_a_avx2_fma (result=0x85185d7e0, input=0x906a9ab80, taps=0x8927eaa00, num_points=289) at /usr/ports/devel/volk/work/volk-2.5.1/kernels/volk/volk_32f_x2_dot_prod_32f.h:833<br>
1 0x000000082e776b17 in __volk_32f_x2_dot_prod_32f_a (result=0x85185d7e0, input=0x906a9ab80, taps=0x8927eaa00, num_points=289) at /usr/ports/devel/volk/work/.build/lib/volk.c:5336<br>
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<br>
---<br>
comms/gqrx/Makefile | 5 ++++-<br>
1 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>
PORTNAME= gqrx<br>
PORTVERSION= 2.16<br>
DISTVERSIONPREFIX= v<br>
+PORTREVISION= 1<br>
PORTEPOCH= 1<br>
CATEGORIES= comms hamradio<br>
<br>
@@ -31,7 +32,9 @@ LIB_DEPENDS= libgnuradio-runtime.so:comms/gnuradio \<br>
libjack.so:audio/jack \<br>
libportaudio.so:audio/portaudio<br>
<br>
-USES= cmake compiler:c++11-lang gl pkgconfig qt:5<br>
+USES= cmake compiler:c++11-lang elfctl gl pkgconfig qt:5<br>
+<br>
+ELF_FEATURES= +noaslr:src/gqrx<br>
<br>
USE_GITHUB= yes<br>
GH_ACCOUNT= gqrx-sdr<br>
</blockquote></div><br clear="all"><br><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><span style="color:rgb(102,102,102)">Nuno Teixeira<br>FreeBSD Committer (ports)</span></div></div>
</blockquote></div><br clear="all"><br><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><span style="color:rgb(102,102,102)">Nuno Teixeira<br>FreeBSD Committer (ports)</span></div></div>
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