diff options
Diffstat (limited to 'arch/arm64/mm/fault.c')
| -rw-r--r-- | arch/arm64/mm/fault.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 9ae24e3b72be..77341b160aca 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -297,12 +297,14 @@ static void die_kernel_fault(const char *msg, unsigned long addr, pr_alert("Unable to handle kernel %s at virtual address %016lx\n", msg, addr); + kasan_non_canonical_hook(addr); + mem_abort_decode(esr); show_pte(addr); die("Oops", regs, esr); bust_spinlocks(0); - do_exit(SIGKILL); + make_task_dead(SIGKILL); } #ifdef CONFIG_KASAN_HW_TAGS @@ -606,10 +608,8 @@ retry: } if (fault & VM_FAULT_RETRY) { - if (mm_flags & FAULT_FLAG_ALLOW_RETRY) { - mm_flags |= FAULT_FLAG_TRIED; - goto retry; - } + mm_flags |= FAULT_FLAG_TRIED; + goto retry; } mmap_read_unlock(mm); @@ -813,11 +813,8 @@ void do_mem_abort(unsigned long far, unsigned int esr, struct pt_regs *regs) if (!inf->fn(far, esr, regs)) return; - if (!user_mode(regs)) { - pr_alert("Unhandled fault at 0x%016lx\n", addr); - mem_abort_decode(esr); - show_pte(addr); - } + if (!user_mode(regs)) + die_kernel_fault(inf->name, addr, esr, regs); /* * At this point we have an unrecognized fault type whose tag bits may |