Commit 00c6b2d5 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

x86: harden kernel code patching


Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent b7b66baa
......@@ -519,6 +519,7 @@ void *__kprobes text_poke(void *addr, const void *opcode, size_t len)
pages[1] = vmalloc_to_page(addr + PAGE_SIZE);
} else {
pages[0] = virt_to_page(addr);
WARN_ON(!PageReserved(pages[0]));
pages[1] = virt_to_page(addr + PAGE_SIZE);
}
BUG_ON(!pages[0]);
......
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