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-rw-r--r--sys/compat/hpux/hppa/hpux_exec.c4
-rw-r--r--sys/compat/hpux/m68k/hpux_exec.c5
-rw-r--r--sys/compat/linux/linux_exec.c5
-rw-r--r--sys/compat/sunos/sunos_exec.c5
4 files changed, 14 insertions, 5 deletions
diff --git a/sys/compat/hpux/hppa/hpux_exec.c b/sys/compat/hpux/hppa/hpux_exec.c
index 3a865e041e1..163ce3dbad8 100644
--- a/sys/compat/hpux/hppa/hpux_exec.c
+++ b/sys/compat/hpux/hppa/hpux_exec.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: hpux_exec.c,v 1.2 2005/03/12 18:38:52 mickey Exp $ */
+/* $OpenBSD: hpux_exec.c,v 1.3 2005/12/30 19:46:53 miod Exp $ */
/*
* Copyright (c) 2004 Michael Shalayeff. All rights reserved.
@@ -109,7 +109,7 @@ exec_hpux_makecmds(p, epp)
/* XXX read in the aux header if it was not following the som header */
if (sysid != MID_HPUX && (!(som_ep->som_version == HPUX_SOM_V0 ||
som_ep->som_version == HPUX_SOM_V1) ||
- som_ep->som_auxhdr + sizeof(struct som_aux) < epp->ep_hdrvalid)) {
+ som_ep->som_auxhdr + sizeof(struct som_aux) > epp->ep_hdrvalid)) {
return (error);
}
diff --git a/sys/compat/hpux/m68k/hpux_exec.c b/sys/compat/hpux/m68k/hpux_exec.c
index 1bad2ef2894..ce5b1d26ec9 100644
--- a/sys/compat/hpux/m68k/hpux_exec.c
+++ b/sys/compat/hpux/m68k/hpux_exec.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: hpux_exec.c,v 1.1 2004/07/09 21:33:45 mickey Exp $ */
+/* $OpenBSD: hpux_exec.c,v 1.2 2005/12/30 19:46:55 miod Exp $ */
/* $NetBSD: hpux_exec.c,v 1.8 1997/03/16 10:14:44 thorpej Exp $ */
/*
@@ -102,6 +102,9 @@ exec_hpux_makecmds(p, epp)
short sysid, magic;
int error = ENOEXEC;
+ if (epp->ep_hdrvalid < sizeof(struct hpux_exec))
+ return (ENOEXEC);
+
magic = HPUX_MAGIC(hpux_ep);
sysid = HPUX_SYSID(hpux_ep);
diff --git a/sys/compat/linux/linux_exec.c b/sys/compat/linux/linux_exec.c
index 7b40114a0ac..b96be60a26b 100644
--- a/sys/compat/linux/linux_exec.c
+++ b/sys/compat/linux/linux_exec.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: linux_exec.c,v 1.23 2004/04/15 00:22:42 tedu Exp $ */
+/* $OpenBSD: linux_exec.c,v 1.24 2005/12/30 19:46:55 miod Exp $ */
/* $NetBSD: linux_exec.c,v 1.13 1996/04/05 00:01:10 christos Exp $ */
/*-
@@ -266,6 +266,9 @@ exec_linux_aout_makecmds(p, epp)
int machtype, magic;
int error = ENOEXEC;
+ if (epp->ep_hdrvalid < sizeof(struct exec))
+ return (ENOEXEC);
+
magic = LINUX_N_MAGIC(linux_ep);
machtype = LINUX_N_MACHTYPE(linux_ep);
diff --git a/sys/compat/sunos/sunos_exec.c b/sys/compat/sunos/sunos_exec.c
index e6875583eb2..ac79176802c 100644
--- a/sys/compat/sunos/sunos_exec.c
+++ b/sys/compat/sunos/sunos_exec.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sunos_exec.c,v 1.17 2003/06/02 15:54:31 deraadt Exp $ */
+/* $OpenBSD: sunos_exec.c,v 1.18 2005/12/30 19:46:55 miod Exp $ */
/* $NetBSD: sunos_exec.c,v 1.11 1996/05/05 12:01:47 briggs Exp $ */
/*
@@ -103,6 +103,9 @@ sunos_exec_aout_makecmds(p, epp)
struct sunos_exec *sunmag = epp->ep_hdr;
int error = ENOEXEC;
+ if (epp->ep_hdrvalid < sizeof(struct sunos_exec))
+ return (ENOEXEC);
+
if(sunmag->a_machtype != SUNOS_M_NATIVE)
return (ENOEXEC);