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From: Thomas Klausner <tk@giga.or.at>
To: 29940@debbugs.gnu.org
Subject: bug#29940: Acknowledgement (guile-2.2.3 does not work pax mprotect)
Date: Mon, 8 Jan 2018 23:52:27 +0100	[thread overview]
Message-ID: <20180108225227.3rhewyjmictlldnm@danbala> (raw)
In-Reply-To: <20180108104222.a5g7fnjbvqspesmm@danbala>

[-- Attachment #1: Type: text/plain, Size: 199 bytes --]

Jörg Sonnenberger just committed the attached patch to pkgsrc, which
fixes the problem for me as well, with the commit message:

"Use correct mmap permissions for later PROT_WRITE mprotect."
 Thomas

[-- Attachment #2: patch-libguile_loader.c --]
[-- Type: text/plain, Size: 458 bytes --]

$NetBSD: patch-libguile_loader.c,v 1.1 2018/01/08 22:37:08 joerg Exp $

--- libguile/loader.c.orig	2018-01-08 16:21:04.790894906 +0000
+++ libguile/loader.c
@@ -484,7 +484,7 @@ map_file_contents (int fd, size_t len, i
   char *data;
 
 #ifdef HAVE_SYS_MMAN_H
-  data = mmap (NULL, len, PROT_READ, MAP_PRIVATE, fd, 0);
+  data = mmap (NULL, len, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
   if (data == MAP_FAILED)
     SCM_SYSERROR;
   *is_read_only = 1;

      reply	other threads:[~2018-01-08 22:52 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-02  9:10 bug#29940: guile-2.2.3 does not work pax mprotect Thomas Klausner
     [not found] ` <sfid-+20180102-101108-+008.55-1@spamfilter.osbf.lua>
     [not found]   ` <handler.29940.B.151488425022993.ack@debbugs.gnu.org>
2018-01-08 10:42     ` bug#29940: Acknowledgement (guile-2.2.3 does not work pax mprotect) Thomas Klausner
2018-01-08 22:52       ` Thomas Klausner [this message]

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