[Bug 48482] Star Wars Knights of the Old Republic randomly crashes after failed malloc

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=48482

Stefan Dösinger <stefan at codeweavers.com> changed:

           What    |Removed                     |Added
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                 CC|                            |stefan at codeweavers.com

--- Comment #10 from Stefan Dösinger <stefan at codeweavers.com> ---
3.2 GB should still leave plenty of room. It could be that HeapAlloc (what
msvcrt's malloc uses) fails because the heap structures are corrupted. Running
with WINEDEBUG=warn+heap might give some clues.

Wine processes have a huge virtual memory footprint because of areas
wine-preloader blocks early on to keep it available for Windows things that
need to be at a certain address. After the regular wine main() function starts
it might be too late and some Linux library blocks the .exe's load address.

Does the game executable set the IMAGE_FILE_LARGE_ADDRESS_AWARE flag? If not,
Wine will block the entire area from 0x80000000-0xffffffff to behave like old
32 bit Windows that had a 2-2 memsplit and no userland pointer would ever have
the highest bit set. Linux will see that as 2GB of address space being in use
in the process...

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