Crash in secur32_winetest:schannel trying to delete uninitialized security context

kd> k

ChildEBP RetAddr  

0012fd34 0040a8e7 secur32!DeleteSecurityContext+0x86 [c:\ros\reactos\reactos\dll\win32\secur32\wrapper.c @ 460]

0012fe0c 0040903e secur32_winetest!test_InitializeSecurityContext+0x1b7 [c:\ros\reactos\reactos\modules\rostests\winetests\secur32\schannel.c @ 666]

0012fe14 004108fb secur32_winetest!func_schannel+0x2e [c:\ros\reactos\reactos\modules\rostests\winetests\secur32\schannel.c @ 1037]

0012fe30 004107ca secur32_winetest!run_test+0xab [c:\ros\reactos\reactos\sdk\include\reactos\wine\test.h @ 692]

0012fecc 00411caa secur32_winetest!main+0x1ca [c:\ros\reactos\reactos\sdk\include\reactos\wine\test.h @ 748]

0012ffb4 00411f78 secur32_winetest!__tmainCRTStartup+0x2ba [c:\ros\reactos\reactos\sdk\lib\crt\startup\crtexe.c @ 311]

0012ffc0 7c773a44 secur32_winetest!mainCRTStartup+0x28 [c:\ros\reactos\reactos\sdk\lib\crt\startup\crtexe.c @ 196]

0012fff0 00000000 kernel32!BaseProcessStartup+0x54 [c:\ros\reactos\reactos\dll\win32\kernel32\client\proc.c @ 478]

kd> ?? status

int 0n0

kd> ?? context

struct _SecHandle

   +0x000 dwLower          : 0xcccccccc

   +0x004 dwUpper          : 0xcccccccc

err:(..\dll\win32\schannel\schannel_mbedtls.c:296) schan_imp_handshake: Oops! mbedtls_ssl_handshake returned the following error code: -0x7200...

kd> ?? pInput

struct _SecBufferDesc * 0x0012fd5c

   +0x000 ulVersion        : 0

   +0x004 cBuffers         : 1

   +0x008 pBuffers         : 0x0012fd84 _SecBuffer