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gnu: guile: Add 2.2.6-1 with a finalization crash bug-fix.

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* gnu/packages/patches/guile-finalization-crash.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/guile.scm (guile-2.2/bug-fix): New variable.
This commit is contained in:
Ludovic Courtès 2019-12-09 17:17:07 +01:00
parent 9a05da36b5
commit 4bd6f1d1d6
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3 changed files with 74 additions and 0 deletions
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61
gnu/packages/patches/guile-finalization-crash.patch Normal file
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@ -0,0 +1,61 @@
commit edf5aea7ac852db2356ef36cba4a119eb0c81ea9
Author: Ludovic Courtès <ludo@gnu.org>
Date: Mon Dec 9 14:44:59 2019 +0100
Fix non-deterministic crash in 'finalization_thread_proc'.
Fixes <https://bugs.gnu.org/37757>.
Reported by Jesse Gibbons <jgibbons2357@gmail.com>.
* libguile/finalizers.c (finalization_thread_proc): Do not enter the
"switch (data.byte)" condition when data.n <= 0.
diff --git a/libguile/finalizers.c b/libguile/finalizers.c
index c5d69e8e3..94a6e6b0a 100644
--- a/libguile/finalizers.c
+++ b/libguile/finalizers.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2012, 2013, 2014 Free Software Foundation, Inc.
+/* Copyright (C) 2012, 2013, 2014, 2019 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
@@ -211,21 +211,26 @@ finalization_thread_proc (void *unused)
scm_without_guile (read_finalization_pipe_data, &data);
- if (data.n <= 0 && data.err != EINTR)
+ if (data.n <= 0)
{
- perror ("error in finalization thread");
- return NULL;
+ if (data.err != EINTR)
+ {
+ perror ("error in finalization thread");
+ return NULL;
+ }
}
-
- switch (data.byte)
+ else
{
- case 0:
- scm_run_finalizers ();
- break;
- case 1:
- return NULL;
- default:
- abort ();
+ switch (data.byte)
+ {
+ case 0:
+ scm_run_finalizers ();
+ break;
+ case 1:
+ return NULL;
+ default:
+ abort ();
+ }
}
}
}