# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
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# Filename: package/.../musl/convert-hangs-to-crashes.patch
# Copyright (C) 2020 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This patch file is dual-licensed. It is available under the license the
# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
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diff --git a/src/process/fork.c b/src/process/fork.c
index 7e984ff8..c4fa7510 100644
--- a/src/process/fork.c
+++ b/src/process/fork.c
@@ -30,7 +30,7 @@ pid_t fork(void)
 		self->next = self->prev = self;
 		__thread_list_lock = 0;
 		libc.threads_minus_1 = 0;
-		if (libc.need_locks) libc.need_locks = -1;
+		if (libc.need_locks > 0) libc.need_locks = -2;
 	}
 	__restore_sigs(&set);
 	__fork_handler(!ret);
diff --git a/src/thread/__lock.c b/src/thread/__lock.c
index 60eece49..75412cc8 100644
--- a/src/thread/__lock.c
+++ b/src/thread/__lock.c
@@ -24,6 +24,7 @@ void __lock(volatile int *l)
 	int current = a_cas(l, 0, INT_MIN + 1);
 	if (need_locks < 0) libc.need_locks = 0;
 	if (!current) return;
+	if (need_locks < -1) a_crash();
 	/* A first spin loop, for medium congestion. */
 	for (unsigned i = 0; i < 10; ++i) {
 		if (current < 0) current -= INT_MIN + 1;