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-rw-r--r--sys/kern/kern_sig.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c
index d52b1fc..fd20052 100644
--- a/sys/kern/kern_sig.c
+++ b/sys/kern/kern_sig.c
@@ -1311,6 +1311,7 @@ issignal(p)
PROCTREE_LOCK(PT_SHARED);
} while (!trace_req(p)
&& p->p_flag & P_TRACED);
+ PROCTREE_LOCK(PT_RELEASE);
/*
* If the traced bit got turned off, go back up
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