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Kernel: Add a size argument to validate_read_from_kernel

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This commit is contained in:
Conrad Pankoff
2019-12-24 11:01:23 +11:00
committed by Andreas Kling
parent a3590ca602
commit 3aaeff483b
4 changed files with 7 additions and 7 deletions
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4
Kernel/Process.cpp
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@@ -1896,7 +1896,7 @@ static KernelMemoryCheckResult check_kernel_memory_access(VirtualAddress vaddr,
return KernelMemoryCheckResult::NotInsideKernelMemory;
}
bool Process::validate_read_from_kernel(VirtualAddress vaddr) const
bool Process::validate_read_from_kernel(VirtualAddress vaddr, ssize_t size) const
{
if (vaddr.is_null())
return false;
@@ -1909,7 +1909,7 @@ bool Process::validate_read_from_kernel(VirtualAddress vaddr) const
return false;
if (is_kmalloc_address(vaddr.as_ptr()))
return true;
return validate_read(vaddr.as_ptr(), 1);
return validate_read(vaddr.as_ptr(), size);
}
bool Process::validate_read_str(const char* str)