Re: kern/52658: mmap() a file PaX MPROTECT can produce an unkillable process

[Utkarsh Anand <uanand009%gmail.com@localhost>]

The following reply was made to PR kern/52658; it has been noted by GNATS.

From: Utkarsh Anand <uanand009%gmail.com@localhost>
To: Kamil Rytarowski <n54%gmx.com@localhost>
Cc: gnats-bugs%netbsd.org@localhost, Dmitry Vyukov <dvyukov%google.com@localhost>
Subject: Re: kern/52658: mmap() a file PaX MPROTECT can produce an unkillable process
Date: Thu, 26 Oct 2017 23:01:05 +0530

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 Currently, I'm reproducing something else on my machine. I'll probably do
 this on lyta and report back if it fixes it.
 
 Regards,
 Utkarsh Anand
 
 On 26 October 2017 at 22:51, Kamil Rytarowski <n54%gmx.com@localhost> wrote:
 
 > Proposed fix by Taylor:
 >
 > https://www.netbsd.org/~riastradh/tmp/20171026/mmap_pax_errbranch.patch
 >
 > Utkarsh, can you please have a look whether it fixes the problem?
 >
 > If so, please commit it with appropriate credit (Dmitry, syzkaller,
 > Taylor).
 >
 > If it fixes the bug, please also add a new ATF test for this case.
 >
 >
 
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 <div dir=3D"ltr"><div><div>Currently, I&#39;m reproducing something else on=
  my machine. I&#39;ll probably do this on lyta and report back if it fixes =
 it.<br><br></div>Regards,<br></div>Utkarsh Anand<br></div><div class=3D"gma=
 il_extra"><br><div class=3D"gmail_quote">On 26 October 2017 at 22:51, Kamil=
  Rytarowski <span dir=3D"ltr">&lt;<a href=3D"mailto:n54%gmx.com@localhost"; target=3D"=
 _blank">n54%gmx.com@localhost</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quo=
 te" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"=
 >Proposed fix by Taylor:<br>
 <br>
 <a href=3D"https://www.netbsd.org/~riastradh/tmp/20171026/mmap_pax_errbranc=
 h.patch" rel=3D"noreferrer" target=3D"_blank">https://www.netbsd.org/~<wbr>=
 riastradh/tmp/20171026/mmap_<wbr>pax_errbranch.patch</a><br>
 <br>
 Utkarsh, can you please have a look whether it fixes the problem?<br>
 <br>
 If so, please commit it with appropriate credit (Dmitry, syzkaller, Taylor)=
 .<br>
 <br>
 If it fixes the bug, please also add a new ATF test for this case.<br>
 <br>
 </blockquote></div><br></div>
 
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