[Bug 37669] Resetting a write watch can cause memory access violation in kernel

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=37669

--- Comment #28 from Dmitry Timoshkov <dmitry at baikal.ru> ---
(In reply to Sebastian Lackner from comment #27)
> Created attachment 50695 [details]
> ntdll: Try to handle write-watches while we're on the signal stack.
> 
> Does the attached patch help (in addition to all the previous stuff, I hope
> it still applies ^^)? It should theoretically solve the problem, but I am
> not really glad yet about the way it is implemented. We can handle
> write-watches, but we still can't properly use __TRY/__EXCEPT blocks in
> APCs. Implementing all this properly would be much more complicated... :/

Patch applies but unfortunately I still get an exception at the same place
http://source.winehq.org/git/wine.git/blob/HEAD:/dlls/ws2_32/socket.c#l2009

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