diff options
| author | Ada Christine <adachristine18@gmail.com> | 2021-04-20 00:58:37 +0000 |
|---|---|---|
| committer | Ada Christine <adachristine18@gmail.com> | 2021-04-20 00:58:37 +0000 |
| commit | 73c73b2a8c9c3a6332942a1146fd18d74616e5b2 (patch) | |
| tree | f908538659eb9b9bf6465f0ee930b064f7dc5531 /kernel | |
| parent | 5fb68ad14bbd110c967e26ff4aad7b7e8aadd28f (diff) | |
panic on unhandled fault in anonymous space
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/memory.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/memory.c b/kernel/memory.c index fcd0f1f..9d44be5 100644 --- a/kernel/memory.c +++ b/kernel/memory.c @@ -453,7 +453,12 @@ static struct memory_space *get_memory_space(void *address) int anonymous_page_handler(uint32_t code, void *address) { - (void)code; + if (code & PAGE_PR) + { + // there's no reason a protection violation should happen + // in anonymous space + panic(UNHANDLED_FAULT); + } kputs("anonymous fault\n"); // kernel page mappings are built different if (address >= (void *)&k_virt_base) |