1 files changed, 6 insertions, 0 deletions

diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c
index 02d1e1e58e81..9b0bbd508cd5 100644
--- a/arch/x86/kernel/traps_32.c
+++ b/arch/x86/kernel/traps_32.c
@@ -837,6 +837,12 @@ fastcall void __kprobes do_debug(struct pt_regs * regs, long error_code)
 
         get_debugreg(condition, 6);
 
+        /*
+         * The processor cleared BTF, so don't mark that we need it set.
+         */
+        clear_tsk_thread_flag(tsk, TIF_DEBUGCTLMSR);
+        tsk->thread.debugctlmsr = 0;
+
         if (notify_die(DIE_DEBUG, "debug", regs, condition, error_code,
                                         SIGTRAP) == NOTIFY_STOP)
                 return;