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Kernel: Add verification promise violations are propagated properly

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This change adds a thread member variable to track if we have a pending
promise violation on a kernel thread. This ensures that all code
properly propagates promise violations up to the syscall handler.

Suggested-by: Andreas Kling <kling@serenityos.org>
This commit is contained in:
Brian Gianforcaro 2021-12-29 04:11:51 -08:00 • committed by Andreas Kling
parent 54b9a4ec1e
commit 018dc4bb5c
3 changed files with 12 additions and 1 deletions
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4
Kernel/Thread.h
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@ -1241,6 +1241,9 @@ public:
bool is_profiling_suppressed() const { return m_is_profiling_suppressed; }
void set_profiling_suppressed() { m_is_profiling_suppressed = true; }
bool is_promise_violation_pending() const { return m_is_promise_violation_pending; }
void set_promise_violation_pending(bool value) { m_is_promise_violation_pending = value; }
String backtrace();
private:
@ -1390,6 +1393,7 @@ private:
bool m_in_block { false };
bool m_is_idle_thread { false };
bool m_is_crashing { false };
bool m_is_promise_violation_pending { false };
Atomic<bool> m_have_any_unmasked_pending_signals { false };
Atomic<u32> m_nested_profiler_calls { 0 };