diff options
Diffstat (limited to 'lib/libjail/jail.c')
| -rw-r--r-- | lib/libjail/jail.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/libjail/jail.c b/lib/libjail/jail.c index 864c6981db2b..8e5b420d677b 100644 --- a/lib/libjail/jail.c +++ b/lib/libjail/jail.c @@ -737,6 +737,12 @@ jailparam_export(struct jailparam *jp) int i, nval, ival; char valbuf[INET6_ADDRSTRLEN]; + if (jp->jp_value == NULL) { + snprintf(jail_errmsg, JAIL_ERRMSGLEN, + "parameter %s was not imported", jp->jp_name); + errno = EINVAL; + return (NULL); + } if ((jp->jp_ctltype & CTLTYPE) == CTLTYPE_STRING) { value = strdup(jp->jp_value); if (value == NULL) |