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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.
61 lines
1.7 KiB
Diff
61 lines
1.7 KiB
Diff
commit edf5aea7ac852db2356ef36cba4a119eb0c81ea9
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Author: Ludovic Courtès <ludo@gnu.org>
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Date: Mon Dec 9 14:44:59 2019 +0100
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Fix non-deterministic crash in 'finalization_thread_proc'.
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Fixes <https://bugs.gnu.org/37757>.
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Reported by Jesse Gibbons <jgibbons2357@gmail.com>.
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* libguile/finalizers.c (finalization_thread_proc): Do not enter the
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"switch (data.byte)" condition when data.n <= 0.
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diff --git a/libguile/finalizers.c b/libguile/finalizers.c
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index c5d69e8e3..94a6e6b0a 100644
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--- a/libguile/finalizers.c
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+++ b/libguile/finalizers.c
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@@ -1,4 +1,4 @@
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-/* Copyright (C) 2012, 2013, 2014 Free Software Foundation, Inc.
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+/* Copyright (C) 2012, 2013, 2014, 2019 Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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@@ -211,21 +211,26 @@ finalization_thread_proc (void *unused)
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scm_without_guile (read_finalization_pipe_data, &data);
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- if (data.n <= 0 && data.err != EINTR)
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+ if (data.n <= 0)
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{
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- perror ("error in finalization thread");
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- return NULL;
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+ if (data.err != EINTR)
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+ {
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+ perror ("error in finalization thread");
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+ return NULL;
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+ }
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}
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-
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- switch (data.byte)
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+ else
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{
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- case 0:
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- scm_run_finalizers ();
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- break;
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- case 1:
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- return NULL;
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- default:
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- abort ();
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+ switch (data.byte)
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+ {
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+ case 0:
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+ scm_run_finalizers ();
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+ break;
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+ case 1:
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+ return NULL;
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+ default:
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+ abort ();
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+ }
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}
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}
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}
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