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Nagendra Singh Tomar wrote:
>Hi all,
> The short version first.
>Is it OK for an application (a C library implementing malloc/calloc is
>also an application) to assume that the pages returned by the OS for heap
>allocation (either directly thru brk() or thru mmap(MAP_ANONYMOUS)) will
>be zero filled.
>
An application which makes assumptions about the contents of newly allocated
memory would seem to be making very dangerous assumptions.
Ignoring that, would it not be considered to be a security violation to hand
pieces of memory to applications without erasing the old contents of the
pages?
Thanx...
ps
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