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authorPedro F. Giffuni <pfg@FreeBSD.org>2017-03-06 15:45:46 +0000
committerPedro F. Giffuni <pfg@FreeBSD.org>2017-03-06 15:45:46 +0000
commitb5120bbada1620593d9ea721ca733a0f3cda3c6d (patch)
tree3576bbd529c1ce432ce163d43984e9f9b50feac0 /lib/libpam
parentfdd2f2ebdd2d3baf8ce4100194facdb18158a2e7 (diff)
downloadsrc-b5120bbada1620593d9ea721ca733a0f3cda3c6d.tar.gz
src-b5120bbada1620593d9ea721ca733a0f3cda3c6d.zip
libpam: extra bounds checking through reallocarray(3).
Reviewed by: des MFC after: 1 week
Notes
Notes: svn path=/head/; revision=314780
Diffstat (limited to 'lib/libpam')
-rw-r--r--lib/libpam/modules/pam_exec/pam_exec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/libpam/modules/pam_exec/pam_exec.c b/lib/libpam/modules/pam_exec/pam_exec.c
index d43d181f31e5..3cc1c33854cc 100644
--- a/lib/libpam/modules/pam_exec/pam_exec.c
+++ b/lib/libpam/modules/pam_exec/pam_exec.c
@@ -138,7 +138,7 @@ _pam_exec(pam_handle_t *pamh __unused,
nitems = sizeof(env_items) / sizeof(*env_items);
/* Count PAM return values put in the environment. */
nitems_rv = options->return_prog_exit_status ? PAM_RV_COUNT : 0;
- tmp = realloc(envlist, (envlen + nitems + 1 + nitems_rv + 1) *
+ tmp = reallocarray(envlist, envlen + nitems + 1 + nitems_rv + 1,
sizeof(*envlist));
if (tmp == NULL) {
openpam_free_envlist(envlist);