On Thu, Jun 13, 2019 at 03:33:48PM +0900, Michael Paquier wrote: > On Wed, Jun 12, 2019 at 05:25:37PM -0400, Bruce Momjian wrote: > > Since we did not backpatch this fix, I am hesitant to spell out exactly > > how to exploit this DOS attack. Yes, people can read it in the email > > archives, and commit messages, but I don't see the value in spelling it > > out the release notes too. > > We could go for a more general version of that, for the reason that it > involves all relations, like: > "A caller of TRUNCATE or VACUUM could previously queue for an access > exclusive lock on a relation it may not have permission to truncate or > vacuum, leading to relations to be blocked from being accessed."
Uh, that still seems to suggest an attack and I am not sure that information is very useful to users. -- Bruce Momjian <br...@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + As you are, so once was I. As I am, so you will be. + + Ancient Roman grave inscription +
