[PATCH] kernelbase: Check for NULL buffer in PeekNamedPipe().
Andrey Gusev
andrey.goosev at gmail.com
Thu Sep 5 11:09:08 CDT 2019
Signed-off-by: Andrey Gusev <andrey.goosev at gmail.com>
---
dlls/kernelbase/sync.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/dlls/kernelbase/sync.c b/dlls/kernelbase/sync.c
index 31df6c7be8..bc35ff7c2a 100644
--- a/dlls/kernelbase/sync.c
+++ b/dlls/kernelbase/sync.c
@@ -1224,6 +1224,8 @@ BOOL WINAPI DECLSPEC_HOTPATCH PeekNamedPipe( HANDLE pipe, LPVOID out_buffer, DWO
IO_STATUS_BLOCK io;
NTSTATUS status;
+ if (!buffer) return FALSE;
+
if (size && !(buffer = HeapAlloc( GetProcessHeap(), 0,
FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data[size] ))))
{
--
2.21.0
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