0214440075
On Windows 7 (and below), console handles are not real kernel handles but are rather userspace objects, with information passed via special bits in the handle itself. That means they can't be passed in PROC_THREAD_ATTRIBUTE_HANDLE_LIST, even though they can be inherited. So, we filter the list passed to PROC_THREAD_ATTRIBUTE_HANDLE_LIST to not have any console handles on Windows 7. At the same time, it turns out that the presence of a NULL handle in the list is enough to render PROC_THREAD_ATTRIBUTE_HANDLE_LIST completely useless, so filter these out too. Console handles also can't be duplicated into parent processes, as inhertance always happens from the present process, so duplicate always into the present process even when a parent process is specified. Fixes #45914. Change-Id: I70b4ff4874dbf0507d9ec9278f63b9b4dd4f1999 Reviewed-on: https://go-review.googlesource.com/c/go/+/319310 Trust: Jason A. Donenfeld <Jason@zx2c4.com> Trust: Alex Brainman <alex.brainman@gmail.com> Run-TryBot: Jason A. Donenfeld <Jason@zx2c4.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Alex Brainman <alex.brainman@gmail.com> |
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