[Bug 45939] wineserver hits ulimit and locks up, file descriptor leak? ( eve online)

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=45939

--- Comment #2 from showard314 at gmail.com ---
I got to attach winedbg to the running process and wait for the program to hit
the file descriptor limit and crash. However, winedbg only gave the following
info upon crash:

00f8:err:winedbg:dbg_handle_debug_event Unknown thread
00f8:err:winedbg:dbg_handle_debug_event Unknown thread
00f8:err:winedbg:dbg_handle_debug_event Unknown thread
00f8:err:winedbg:dbg_handle_debug_event Unknown thread
00f8:err:winedbg:dbg_handle_debug_event Unknown thread
00f8:err:winedbg:dbg_handle_debug_event Unknown thread
00f8:err:winedbg:dbg_handle_debug_event Unknown thread


I found a bug with similar symptoms:
https://bugs.winehq.org/show_bug.cgi?id=23999
like this bug, software crashes after some time after spawning lots of
processes because of DRM checks.

I think what we might be seeing here is there are anti-cheating checks running
in the windows binary that is periodically generating anonymous memory map
files to look for hack/cheating code. For some reason these map file
descriptors are remaining open long after the file was deleted. Eventually the
ulimit is hit and everything locks up/freezes/corrupts because game resources
cannot be opened.

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