KMEM_PTR_VALIDATE

Section: (9)
Updated: 09 October 2005
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NAME

kmem_ptr_validate - check if an untrusted pointer might

SYNOPSIS

"SYNOPSIS"

int fastcall kmem_ptr_validate (kmem_cache_t * cachep, void * ptr);

ARGUMENTS

cachep: the cache we're checking against
ptr: pointer to validate

DESCRIPTION

be a slab entry.

THIS VERIFIES THAT THE UNTRUSTED POINTER LOOKS SANE

it is _not_ a guarantee that the pointer is actually part of the slab cache in question, but it at least validates that the pointer can be dereferenced and looks half-way sane.

Currently only used for dentry validation.

Index

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
THIS VERIFIES THAT THE UNTRUSTED POINTER LOOKS SANE

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Time: 00:02:22 GMT, October 09, 2005