Andreas Kling 76c20642f0 Kernel: Ignore closed fd's when considering select() unblock ...

This fixes a null RefPtr deref (which asserts) in the scheduler if a
file descriptor being select()'ed is closed by a second thread while
blocked in select().

Test: Kernel/null-deref-close-during-select.cpp

2020-01-09 12:36:42 +01:00

687 B

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