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Kernel: Make sure OpenFileDescription is kept alive while read() blocks
It's not safe to store OpenFileDescription in a raw pointer when blocking, since another thread may decide to close the corresponding file descriptor.
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@ -12,7 +12,7 @@ namespace Kernel {
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using BlockFlags = Thread::FileBlocker::BlockFlags;
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static ErrorOr<OpenFileDescription*> open_readable_file_description(Process::OpenFileDescriptions const& fds, int fd)
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static ErrorOr<NonnullRefPtr<OpenFileDescription>> open_readable_file_description(Process::OpenFileDescriptions const& fds, int fd)
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{
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auto description = TRY(fds.open_file_description(fd));
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if (!description->is_readable())
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