diff options
| -rw-r--r-- | sys/kern/imgact_binmisc.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/sys/kern/imgact_binmisc.c b/sys/kern/imgact_binmisc.c index 5f324d3..5712838 100644 --- a/sys/kern/imgact_binmisc.c +++ b/sys/kern/imgact_binmisc.c @@ -1,5 +1,5 @@ -/*- - * Copyright (c) 2013, Stacey D. Son +/* + * Copyright (c) 2013-16, Stacey D. Son * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -222,16 +222,17 @@ imgact_binmisc_add_entry(ximgact_binmisc_entry_t *xbe) { imgact_binmisc_entry_t *ibe; char *p; + int cnt; if (xbe->xbe_msize > IBE_MAGIC_MAX) return (EINVAL); - for(p = xbe->xbe_name; *p != 0; p++) - if (!isascii((int)*p)) + for(cnt = 0, p = xbe->xbe_name; *p != 0; cnt++, p++) + if (cnt >= IBE_NAME_MAX || !isascii((int)*p)) return (EINVAL); - for(p = xbe->xbe_interpreter; *p != 0; p++) - if (!isascii((int)*p)) + for(cnt = 0, p = xbe->xbe_interpreter; *p != 0; cnt++, p++) + if (cnt >= IBE_INTERP_LEN_MAX || !isascii((int)*p)) return (EINVAL); /* Make sure we don't have any invalid #'s. */ @@ -268,8 +269,6 @@ imgact_binmisc_add_entry(ximgact_binmisc_entry_t *xbe) mtx_unlock(&interp_list_mtx); ibe = imgact_binmisc_new_entry(xbe); - if (!ibe) - return (ENOMEM); mtx_lock(&interp_list_mtx); SLIST_INSERT_HEAD(&interpreter_list, ibe, link); |
