From 61fe1f4a9974977adaffccef468e2f2f5fa84577 Mon Sep 17 00:00:00 2001
From: dchagin <dchagin@FreeBSD.org>
Date: Sat, 6 Jun 2015 06:12:14 +0000
Subject: Finish r283544. In exec case properly detach threads from user space
 before suicide.

---
 sys/compat/linux/linux_emul.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'sys/compat/linux/linux_emul.c')

diff --git a/sys/compat/linux/linux_emul.c b/sys/compat/linux/linux_emul.c
index a28da8d..c2bf3ae 100644
--- a/sys/compat/linux/linux_emul.c
+++ b/sys/compat/linux/linux_emul.c
@@ -219,6 +219,18 @@ void
 linux_proc_exec(void *arg __unused, struct proc *p, struct image_params *imgp)
 {
 	struct thread *td = curthread;
+	struct thread *othertd;
+
+	/*
+	 * In a case of execing from linux binary properly detach
+	 * other threads from the user space.
+	 */
+	if (__predict_false(SV_PROC_ABI(p) == SV_ABI_LINUX)) {
+		FOREACH_THREAD_IN_PROC(p, othertd) {
+			if (td != othertd)
+				(p->p_sysent->sv_thread_detach)(othertd);
+		}
+	}
 
 	/*
 	 * In a case of execing to linux binary we create linux
-- 
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