winansi: check result and Buffer before using Name #302
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Description
NtQueryObject under Wine can return a success but fill out no name. In those situations, Wine will set Buffer to NULL, and set result to the sizeof(OBJECT_NAME_INFORMATION).
This PR reports a potential a NULL pointer dereference in CLibrary_NATIVE(isatty) function which was cloned from git but did not receive the patch applied in the original repository. The original issue was reported and fixed under git-for-windows/git@98d736c. This PR applies the same patch to eliminate the vulnerability.