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-rw-r--r--arch/x86/kernel/hw_breakpoint.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/hw_breakpoint.c b/arch/x86/kernel/hw_breakpoint.c
index 02f07634d265..f66ff162dce8 100644
--- a/arch/x86/kernel/hw_breakpoint.c
+++ b/arch/x86/kernel/hw_breakpoint.c
@@ -393,6 +393,9 @@ void flush_ptrace_hw_breakpoint(struct task_struct *tsk)
unregister_hw_breakpoint(t->ptrace_bps[i]);
t->ptrace_bps[i] = NULL;
}
+
+ t->debugreg6 = 0;
+ t->ptrace_dr7 = 0;
}
void hw_breakpoint_restore(void)