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krb5: Fix NULL deref on ENOMEM in fkt_add_entry()

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This commit is contained in:
Nicolas Williams
2020-09-14 16:38:20 -05:00
parent 821dcaec70
commit 096888fe31
1 changed files with 7 additions and 3 deletions
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4
lib/krb5/keytab_file.c
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@@ -561,6 +561,10 @@ fkt_add_entry(krb5_context context,
return ret; return ret;
} }
sp = krb5_storage_stdio_from_fd(fd, "wb+"); sp = krb5_storage_stdio_from_fd(fd, "wb+");
if (sp == NULL) {
close(fd);
return krb5_enomem(context);
}
krb5_storage_set_eof_code(sp, KRB5_KT_END); krb5_storage_set_eof_code(sp, KRB5_KT_END);
ret = fkt_setup_keytab(context, id, sp); ret = fkt_setup_keytab(context, id, sp);
if (ret) { if (ret) {