diff options
Diffstat (limited to 'arch/riscv/mm/fault.c')
| -rw-r--r-- | arch/riscv/mm/fault.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c index 096463cc6fff..aa08dd2f8fae 100644 --- a/arch/riscv/mm/fault.c +++ b/arch/riscv/mm/fault.c @@ -14,6 +14,7 @@ #include <linux/signal.h> #include <linux/uaccess.h> #include <linux/kprobes.h> +#include <linux/kfence.h> #include <asm/ptrace.h> #include <asm/tlbflush.h> @@ -45,7 +46,15 @@ static inline void no_context(struct pt_regs *regs, unsigned long addr) * Oops. The kernel tried to access some bad page. We'll have to * terminate things with extreme prejudice. */ - msg = (addr < PAGE_SIZE) ? "NULL pointer dereference" : "paging request"; + if (addr < PAGE_SIZE) + msg = "NULL pointer dereference"; + else { + if (kfence_handle_page_fault(addr, regs->cause == EXC_STORE_PAGE_FAULT, regs)) + return; + + msg = "paging request"; + } + die_kernel_fault(msg, addr, regs); } |