On Wed, Nov 03, 2021 at 04:47:39PM +0100, Thomas Weißschuh wrote: > The svn_atomic__init_once() inside svn_repos_authz_initialize() seems to work > correctly. synchronized_authz_initialize() is only executed once. > > I am arguing that it should *not* be executed only once because the pools that > it gets called with the first time will be invalid when it is called the > second > time. So it should rebuild authz_pool with the new parent pool. > > Replacing the call through svn_atomic__init_once() with an unconditional call > makes the issue go away.
I see. So for some reason, under httpd's control, the SVN module's post_config hook is invoked several times, each time with a different pool? Do we know why this is happening? If this is valid httpd behaviour then the code in authz.c is making an invalid assumption. And there could similar problems elsewhere, in svn_fs_initialize() for example.
