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-rw-r--r--sys/kern/kern_exit.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/kern/kern_exit.c b/sys/kern/kern_exit.c
index d44209a..d35b3e1 100644
--- a/sys/kern/kern_exit.c
+++ b/sys/kern/kern_exit.c
@@ -64,6 +64,9 @@
#include <sys/shm.h>
#include <sys/sem.h>
#include <sys/jail.h>
+#ifdef KTRACE
+#include <sys/ktrace.h>
+#endif
#include <vm/vm.h>
#include <vm/vm_extern.h>
@@ -296,9 +299,11 @@ exit1(td, rv)
* release trace file
*/
PROC_LOCK(p);
+ mtx_lock(&ktrace_mtx);
p->p_traceflag = 0; /* don't trace the vrele() */
tracevp = p->p_tracep;
p->p_tracep = NULL;
+ mtx_unlock(&ktrace_mtx);
PROC_UNLOCK(p);
if (tracevp != NULL)
vrele(tracevp);
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