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Kernel: Mask kernel addresses in backtraces and profiles

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Addresses outside the userspace virtual range will now show up as
0xdeadc0de in backtraces and profiles generated by unprivileged users.
This commit is contained in:
Andreas Kling 2020-01-02 20:49:21 +01:00
parent 8eb20bdfa2
commit 32ec1e5aed
4 changed files with 24 additions and 14 deletions
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5
Kernel/VM/MemoryManager.cpp
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@ -601,11 +601,6 @@ void MemoryManager::unquickmap_page()
m_quickmap_in_use = false;
}
static inline bool is_user_address(VirtualAddress vaddr)
{
return vaddr.get() >= (8 * MB) && vaddr.get() < 0xc0000000;
}
template<MemoryManager::AccessSpace space, MemoryManager::AccessType access_type>
bool MemoryManager::validate_range(const Process& process, VirtualAddress base_vaddr, size_t size) const
{