On Sat, Jun 01, 2019 at 10:15:26AM +0800, Gen Zhang wrote: > In selinux_sb_eat_lsm_opts(), 'arg' is allocated by kmemdup_nul(). It > returns NULL when fails. So 'arg' should be checked. And 'mnt_opts' > should be freed when error.
What's the latter one for? On failure we'll get to put_fs_context()
pretty soon, so
security_free_mnt_opts(&fc->security);
will be called just fine. Leaving it allocated on failure is fine...
