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-rw-r--r--kernel/signal.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 677102789cf2..be4f856d52f8 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1971,6 +1971,13 @@ static void ptrace_do_notify(int signr, int exit_code, int why)
1971void ptrace_notify(int exit_code) 1971void ptrace_notify(int exit_code)
1972{ 1972{
1973 BUG_ON((exit_code & (0x7f | ~0xffff)) != SIGTRAP); 1973 BUG_ON((exit_code & (0x7f | ~0xffff)) != SIGTRAP);
1974 if (unlikely(current->task_works)) {
1975 if (test_and_clear_ti_thread_flag(current_thread_info(),
1976 TIF_NOTIFY_RESUME)) {
1977 smp_mb__after_clear_bit();
1978 task_work_run();
1979 }
1980 }
1974 1981
1975 spin_lock_irq(&current->sighand->siglock); 1982 spin_lock_irq(&current->sighand->siglock);
1976 ptrace_do_notify(SIGTRAP, exit_code, CLD_TRAPPED); 1983 ptrace_do_notify(SIGTRAP, exit_code, CLD_TRAPPED);
@@ -2191,6 +2198,14 @@ int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka,
2191 struct signal_struct *signal = current->signal; 2198 struct signal_struct *signal = current->signal;
2192 int signr; 2199 int signr;
2193 2200
2201 if (unlikely(current->task_works)) {
2202 if (test_and_clear_ti_thread_flag(current_thread_info(),
2203 TIF_NOTIFY_RESUME)) {
2204 smp_mb__after_clear_bit();
2205 task_work_run();
2206 }
2207 }
2208
2194 if (unlikely(uprobe_deny_signal())) 2209 if (unlikely(uprobe_deny_signal()))
2195 return 0; 2210 return 0;
2196 2211