https://git.reactos.org/?p=reactos.git;a=commitdiff;h=5bfc68cc14a4fd157f5f6df716648ac67542e528
commit 5bfc68cc14a4fd157f5f6df716648ac67542e528 Author: Pierre Schweitzer <pie...@reactos.org> AuthorDate: Sun Oct 15 10:43:49 2017 +0200 [KERNEL32] Fix buffer size for allocation in GetVolumeInformationW(). This fixes function failing with big enough buffer. --- dll/win32/kernel32/client/file/volume.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/dll/win32/kernel32/client/file/volume.c b/dll/win32/kernel32/client/file/volume.c index 90016b8e08..ba0ef82f5d 100644 --- a/dll/win32/kernel32/client/file/volume.c +++ b/dll/win32/kernel32/client/file/volume.c @@ -253,6 +253,10 @@ GetVolumeInformationW(IN LPCWSTR lpRootPathName, RootPathName = lpRootPathName; } + /* Convert length to bytes */ + nVolumeNameSize *= sizeof(WCHAR); + nFileSystemNameSize *= sizeof(WCHAR); + /* Convert to NT name */ if (!RtlDosPathNameToNtPathName_U(RootPathName, &NtPathName, NULL, NULL)) {