| fault.c (5250d026d241febfaf226d26cabe528fc478e225) | fault.c (3dc12dfe74300febc568c3b530c0f9bee01f2821) |
|---|---|
| 1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * PowerPC version 4 * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) 5 * 6 * Derived from "arch/i386/mm/fault.c" 7 * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds 8 * --- 214 unchanged lines hidden (view full) --- 223 224 // Fault on user outside of certain regions (eg. copy_tofrom_user()) is bad 225 if (!search_exception_tables(regs->nip)) 226 return true; 227 228 // Read/write fault in a valid region (the exception table search passed 229 // above), but blocked by KUAP is bad, it can never succeed. 230 if (bad_kuap_fault(regs, address, is_write)) | 1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * PowerPC version 4 * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) 5 * 6 * Derived from "arch/i386/mm/fault.c" 7 * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds 8 * --- 214 unchanged lines hidden (view full) --- 223 224 // Fault on user outside of certain regions (eg. copy_tofrom_user()) is bad 225 if (!search_exception_tables(regs->nip)) 226 return true; 227 228 // Read/write fault in a valid region (the exception table search passed 229 // above), but blocked by KUAP is bad, it can never succeed. 230 if (bad_kuap_fault(regs, address, is_write)) |
| 231 return true; | 231 return WARN(true, "Bug: %s fault blocked by KUAP!", is_write ? "Write" : "Read"); |
| 232 233 // What's left? Kernel fault on user in well defined regions (extable 234 // matched), and allowed by KUAP in the faulting context. 235 return false; 236} 237 238#ifdef CONFIG_PPC_MEM_KEYS 239static bool access_pkey_error(bool is_write, bool is_exec, bool is_pkey, --- 366 unchanged lines hidden --- | 232 233 // What's left? Kernel fault on user in well defined regions (extable 234 // matched), and allowed by KUAP in the faulting context. 235 return false; 236} 237 238#ifdef CONFIG_PPC_MEM_KEYS 239static bool access_pkey_error(bool is_write, bool is_exec, bool is_pkey, --- 366 unchanged lines hidden --- |