[Bug 268033] x11/xscreensaver: Crashing and dumping core on unlock

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=268033

Fernando Apesteguía <[email protected]> changed:

           What    |Removed                     |Added
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                 CC|                            |[email protected]
              Flags|maintainer-feedback?(x11@Fr |maintainer-feedback?(des@Fr
                   |eeBSD.org)                  |eeBSD.org)

--- Comment #7 from Fernando Apesteguía <[email protected]> ---
(In reply to Duncan Bayne from comment #6)
There is only one strlen() call in pam_exec.c:

                rc = pam_get_authtok(pamh, PAM_AUTHTOK, &authtok, NULL);
                if (rc == PAM_SUCCESS) {
                        /* We include the trailing NUL-terminator. */
                        authtok_size = strlen(authtok) + 1;

Since strlen(3) segfaults if the argument is null, I guess pam_get_authtok is
somehow returning NULL for authtok.

des@ (pam maintainer in copy).

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