diff options
Diffstat (limited to 'gnu/packages/patches/guile-finalization-crash.patch')
-rw-r--r-- | gnu/packages/patches/guile-finalization-crash.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/gnu/packages/patches/guile-finalization-crash.patch b/gnu/packages/patches/guile-finalization-crash.patch new file mode 100644 index 0000000000..098249e49f --- /dev/null +++ b/gnu/packages/patches/guile-finalization-crash.patch @@ -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 (); ++ } + } + } + } |