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Kernel: Add ubsan

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My brain has been melting since I'm getting very random bugs.
I hope I can debug them better with ubsan :)
This commit is contained in:
Bananymous
2023-03-06 23:38:05 +02:00
parent e480f9c195
commit 06db890d49
8 changed files with 128 additions and 12 deletions
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5
kernel/kernel/kmalloc.cpp
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@@ -65,7 +65,7 @@ private:
static_assert(sizeof(kmalloc_node) == s_kmalloc_min_align);
struct kmalloc_info
{
static constexpr uintptr_t base = 0x00200000;
static constexpr uintptr_t base = 0x00400000;
static constexpr size_t size = 1 * MB;
static constexpr uintptr_t end = base + size;
@@ -313,11 +313,10 @@ void* kmalloc(size_t size, size_t align)
if (size == 0 || size >= info.size)
return nullptr;
ASSERT(align);
ASSERT(is_power_of_two(align));
// if the size fits into fixed node, we will try to use that since it is faster
if (align == s_kmalloc_min_align && size < sizeof(kmalloc_fixed_info::node::data))
if (align == s_kmalloc_min_align && size <= sizeof(kmalloc_fixed_info::node::data))
if (void* result = kmalloc_fixed())
return result;