diff options
Diffstat (limited to 'modules/pam_echo/pam_echo.c')
| -rw-r--r-- | modules/pam_echo/pam_echo.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/modules/pam_echo/pam_echo.c b/modules/pam_echo/pam_echo.c index 181aeb4c..d05597a2 100644 --- a/modules/pam_echo/pam_echo.c +++ b/modules/pam_echo/pam_echo.c @@ -41,6 +41,7 @@ #include <stdio.h> #include <fcntl.h> #include <string.h> +#include <stdint.h> #include <stdlib.h> #include <unistd.h> #include <limits.h> @@ -182,6 +183,12 @@ pam_echo (pam_handle_t *pamh, int flags, int argc, const char **argv) return PAM_IGNORE; } + if ((uintmax_t) st.st_size >= (uintmax_t) SIZE_MAX) + { + close (fd); + return PAM_BUF_ERR; + } + mtmp = malloc (st.st_size + 1); if (!mtmp) { |