Module Name: src Committed By: snj Date: Tue Dec 31 01:45:51 UTC 2024
Modified Files: src/sys/arch/sparc64/sparc64 [netbsd-10]: trap.c Log Message: Pull up following revision(s) (requested by martin in ticket #1035): sys/arch/sparc64/sparc64/trap.c: 1.199 PR 58936: do not panic if we hit a VA-hole address in copyin/copyout. To generate a diff of this commit: cvs rdiff -u -r1.194 -r1.194.4.1 src/sys/arch/sparc64/sparc64/trap.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/arch/sparc64/sparc64/trap.c diff -u src/sys/arch/sparc64/sparc64/trap.c:1.194 src/sys/arch/sparc64/sparc64/trap.c:1.194.4.1 --- src/sys/arch/sparc64/sparc64/trap.c:1.194 Mon May 16 21:28:05 2022 +++ src/sys/arch/sparc64/sparc64/trap.c Tue Dec 31 01:45:51 2024 @@ -1,4 +1,4 @@ -/* $NetBSD: trap.c,v 1.194 2022/05/16 21:28:05 mrg Exp $ */ +/* $NetBSD: trap.c,v 1.194.4.1 2024/12/31 01:45:51 snj Exp $ */ /* * Copyright (c) 1996-2002 Eduardo Horvath. All rights reserved. @@ -50,7 +50,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.194 2022/05/16 21:28:05 mrg Exp $"); +__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.194.4.1 2024/12/31 01:45:51 snj Exp $"); #include "opt_ddb.h" #include "opt_multiprocessor.h" @@ -1101,8 +1101,15 @@ data_access_fault(struct trapframe64 *tf /* deal with invalid VAs early */ if (__predict_false(addr >= (1UL<<HOLESHIFT) && addr < (1UL<<63))) { - if (tstate & TSTATE_PRIV) + if (tstate & TSTATE_PRIV) { + if (onfault) { + tf->tf_pc = onfault; + tf->tf_npc = onfault + 4; + tf->tf_out[0] = EFAULT; + return; + } panic("fault type %u for invalid va %lx", type, addr); + } KSI_INIT_TRAP(&ksi); ksi.ksi_signo = SIGSEGV;