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authorMichael Shalayeff <mickey@cvs.openbsd.org>1999-11-14 02:39:07 +0000
committerMichael Shalayeff <mickey@cvs.openbsd.org>1999-11-14 02:39:07 +0000
commit515ff93344f651fac15365bdf61bfbda7ebb6b21 (patch)
tree48f2714e298f6345f2fa03917a0fab0c6db68d63 /sys
parent1fae17a616fe919f830414345839a297baa0bb68 (diff)
protect against copuin faults
Diffstat (limited to 'sys')
-rw-r--r--sys/arch/hppa/hppa/db_disasm.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/sys/arch/hppa/hppa/db_disasm.c b/sys/arch/hppa/hppa/db_disasm.c
index e37073132c0..a2988b98c7e 100644
--- a/sys/arch/hppa/hppa/db_disasm.c
+++ b/sys/arch/hppa/hppa/db_disasm.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: db_disasm.c,v 1.5 1999/11/02 05:50:37 mickey Exp $ */
+/* $OpenBSD: db_disasm.c,v 1.6 1999/11/14 02:39:06 mickey Exp $ */
/*
* Copyright (c) 1999 Michael Shalayeff
@@ -2322,10 +2322,11 @@ db_disasm(loc, flag)
iExInit();
- if (USERMODE(loc))
- copyin((caddr_t)(loc &~ HPPA_PC_PRIV_MASK),
- &instruct, sizeof(instruct));
- else
+ if (USERMODE(loc)) {
+ if (copyin((caddr_t)(loc &~ HPPA_PC_PRIV_MASK),
+ &instruct, sizeof(instruct)))
+ instruct = 0;
+ } else
instruct = *(int *)loc;
m = &majopcs[Opcode(instruct)];