Prevent infinite userspace crash loops.

2024-06-20 22:56:19 +02:00
parent 55fe58adf6
commit 7d5b2e6c21
5 changed files with 18 additions and 6 deletions
@@ -203,8 +203,8 @@ pub struct Context {
 pub struct SignalState {
    /// Offset to jump to when a signal is received.
    pub user_handler: NonZeroUsize,
-    /// Offset to jump to when a program fault occurs.
-    pub excp_handler: NonZeroUsize,
+    /// Offset to jump to when a program fault occurs. If None, the context is sigkilled.
+    pub excp_handler: Option<NonZeroUsize>,

    /// Signal control pages, shared memory
    pub thread_control: RaiiFrame,