Kernel - Fixed crash in vfs from assuming allocated memory is zero

[tpg/acess2.git] / KernelLand / Kernel / vfs / handle.c

diff --git a/KernelLand/Kernel/vfs/handle.c b/KernelLand/Kernel/vfs/handle.c
index db79933..cd4997d 100644 (file)
--- a/KernelLand/Kernel/vfs/handle.c
+++ b/KernelLand/Kernel/vfs/handle.c
@@ -248,10 +248,13 @@ void VFS_RestoreHandles(int NumFDs, void *Handles)
                
                if( !MM_GetPhysAddr(h) )
                {
-                       if( !MM_Allocate( (tVAddr)h & ~(PAGE_SIZE-1) ) ) 
+                       void    *pg = (void*)( (tVAddr)h & ~(PAGE_SIZE-1) );
+                       if( !MM_Allocate( (tVAddr)pg ) ) 
                        {
                                // OOM?
+                               return ;
                        }
+                       memset(pg, 0, PAGE_SIZE);
                }
                // Safe to dereference, as Threads_CloneTCB references handles
                #if 1