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ntoskrnl.exe/tests: Avoid passing uninitialized data to DeviceIoControl(). 

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=46346
Signed-off-by: Gijs Vermeulen <gijsvrm@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Gijs Vermeulen 2019-01-10 07:11:15 +01:00 committed by Alexandre Julliard
parent 217ab34f57
commit db8f599863
1 changed files with 4 additions and 3 deletions
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7
dlls/ntoskrnl.exe/tests/ntoskrnl.c
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@ -155,12 +155,13 @@ static void main_test(void)
GetTempFileNameW(temppathW, dokW, 0, pathW);
pRtlDosPathNameToNtPathName_U( pathW, &pathU, NULL, NULL );
test_input = heap_alloc(sizeof(*test_input) + pathU.Length);
test_input = heap_alloc( offsetof( struct test_input, path[pathU.Length / sizeof(WCHAR)]) );
test_input->running_under_wine = !strcmp(winetest_platform, "wine");
test_input->winetest_report_success = winetest_report_success;
test_input->winetest_debug = winetest_debug;
lstrcpynW(test_input->path, pathU.Buffer, pathU.Length);
res = DeviceIoControl(device, IOCTL_WINETEST_MAIN_TEST, test_input, sizeof(*test_input) + pathU.Length,
memcpy(test_input->path, pathU.Buffer, pathU.Length + sizeof(WCHAR));
res = DeviceIoControl(device, IOCTL_WINETEST_MAIN_TEST, test_input,
offsetof( struct test_input, path[pathU.Length / sizeof(WCHAR)]),
&new_failures, sizeof(new_failures), &written, NULL);
ok(res, "DeviceIoControl failed: %u\n", GetLastError());
ok(written == sizeof(new_failures), "got size %x\n", written);