[Bug 4105] chpasswd segmentation fault

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=4105

--- Comment #1 from Denys Vlasenko <vda.linux at googlemail.com>  ---
Can't reproduce.

The free is correct: pw_encrypt() returns malloced string:


                if (!(opt & OPT_ENC)) {
                        crypt_make_salt(salt, 1);
                        if (opt & OPT_MD5) {
                                salt[0] = '$';
                                salt[1] = '1';
                                salt[2] = '$';
                                crypt_make_salt(salt + 3, 4);
                        }
                        pass = pw_encrypt(pass, salt, 0);
                }
...
                if (!(opt & OPT_ENC))
                        free(pass);

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