Date: Thu, 11 May 2023 23:46:21 -0400 From: Paul Procacci <pprocacci@gmail.com> To: Jim Pazarena <fquest@paz.bz> Cc: freebsd-questions@freebsd.org Subject: Re: apache24 reload dies with SIGSEGV Message-ID: <CAFbbPugAfCHqeFG84Zr8PzSVurOV7cz7TFE2DHc-f5_08LMjwA@mail.gmail.com> In-Reply-To: <CAFbbPui9BgVxpcu2YcFMVu_kSR38D6EPyR6iOxk9FRhZ3dvn0w@mail.gmail.com> References: <8264bee7-f13f-a1a1-552a-09fb34973b26@paz.bz> <CAFbbPui9BgVxpcu2YcFMVu_kSR38D6EPyR6iOxk9FRhZ3dvn0w@mail.gmail.com>
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On Thu, May 11, 2023 at 11:35=E2=80=AFPM Paul Procacci <pprocacci@gmail.com=
> wrote:
>
>
> On Thu, May 11, 2023 at 11:31=E2=80=AFPM Jim Pazarena <fquest@paz.bz> wro=
te:
>
>> I just loaded two servers with a fresh 13.2 install . Along with a fresh
>> install of 2.4.57 Apache .
>>
>> both have public IPs
>> one is https , while the other is not .
>>
>> an "./apache24 start" works as expected . It passes the sanity check ,
>> announces Syntax OK , and runs .
>>
>> However , if I issue an "./apache24 reload"
>> it still announces Syntax OK , followed with:
>> Performing a graceful restart
>>
>> but it does not start .
>> running "dmesg" , I see:
>> pid xxxx (httpd), jid 0, uid 0: existed on signal 11
>>
>> If I run an ".apache24 start"
>> it fires up as expected and runs as expected .
>>
>> What is a reload doing extra that a start does not do , that could be
>> causing a SIGSEGV ?
>> oh yes, a restart works as expected
>> a reload dies .
>>
>> Suggestions would be most appreciated .
>>
>>
> You need to generate a core and run gdb against it getting a backtrace. -=
-
> This ultimately would provide you very specifically where it's getting
> foul'd up.
>
> ~Paul
> --
> __________________
>
> :(){ :|:& };:
>
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D267435
As a follow up to my brief comment and given the bug report above (last
comment in particular), you don't happen to be running apache with mod_php
and ASLR are you?
~Paul
--=20
__________________
:(){ :|:& };:
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<div dir=3D"ltr"><div dir=3D"ltr"><br></div><br><div class=3D"gmail_quote">=
<div dir=3D"ltr" class=3D"gmail_attr">On Thu, May 11, 2023 at 11:35=E2=80=
=AFPM Paul Procacci <<a href=3D"mailto:pprocacci@gmail.com">pprocacci@gm=
ail.com</a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"=
margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-lef=
t:1ex"><div dir=3D"ltr"><div><div dir=3D"ltr"><br></div><br><div class=3D"g=
mail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Thu, May 11, 2023 at 1=
1:31=E2=80=AFPM Jim Pazarena <<a href=3D"mailto:fquest@paz.bz" target=3D=
"_blank">fquest@paz.bz</a>> wrote:<br></div><blockquote class=3D"gmail_q=
uote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,2=
04);padding-left:1ex">I just loaded two servers with a fresh 13.2 install .=
Along with a fresh <br>
install of 2.4.57 Apache .<br>
<br>
both have public IPs<br>
one is https , while the other is not .<br>
<br>
an "./apache24 start" works as expected . It passes the sanity ch=
eck , <br>
announces Syntax OK , and runs .<br>
<br>
However , if I issue an "./apache24 reload"<br>
it still announces Syntax OK , followed with:<br>
Performing a graceful restart<br>
<br>
but it does not start .<br>
running "dmesg" , I see:<br>
pid xxxx (httpd), jid 0, uid 0: existed on signal 11<br>
<br>
If I run an ".apache24 start"<br>
it fires up as expected and runs as expected .<br>
<br>
What is a reload doing extra that a start does not do , that could be <br>
causing a SIGSEGV ?<br>
oh yes, a restart works as expected<br>
a reload dies .<br>
<br>
Suggestions would be most appreciated .<br>
<br>
</blockquote></div><br clear=3D"all"></div><div>You need to generate a core=
and run gdb against it getting a backtrace. -- This ultimately would provi=
de you very specifically where it's getting foul'd up.<br></div><di=
v><br></div><div>~Paul<br></div><div><span>-- </span><br><div dir=3D"ltr">_=
_________________<br><br>:(){ :|:& };:</div></div></div>
</blockquote></div><br clear=3D"all"><div><a href=3D"https://bugs.freebsd.o=
rg/bugzilla/show_bug.cgi?id=3D267435">https://bugs.freebsd.org/bugzilla/sho=
w_bug.cgi?id=3D267435</a></div><div><br></div><div>As a follow up to my bri=
ef comment and given the bug report above (last comment in particular), you=
don't happen to be running apache with mod_php and ASLR are you?</div>=
<div><br></div><div>~Paul<br><br></div><span class=3D"gmail_signature_prefi=
x">-- </span><br><div dir=3D"ltr" class=3D"gmail_signature">_______________=
___<br><br>:(){ :|:& };:</div></div>
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