[Bug 1795677] Re: nsswitch/libwbclient: memory leak in wbcCtxAuthenticateUserEx

[Robie Basak]

What's the impact to users in practice please? Did you detect the leak
using some leak detection tool or because it was causing you a practical
problem?

The fix needs to be submitted upstream if they don't know about it
already. Anyone can do this.

Separately we can add the patch to the Ubuntu development release if it
can be verified to be correct, and we can additionally backport the
patch to stable Ubuntu releases (eg. 18.04) if the bug is expected to
have a real impact to users.

But how much effort we spend on this depends on the bug's actual impact,
which is why I'm asking. If it doesn't affect users in practice, then
we'll leave this bug tagged for needing reporting upstream but I expect
it'll otherwise be left as a non-priority.

Setting Importance to Low for now as we don't have any evidence of this
being a problem for users. If we feedback that it's actually a problem
we can raise it.

** Tags added: needs-upstream-report

** Changed in: samba (Ubuntu)
   Importance: Undecided => Low

** Changed in: samba (Ubuntu)
       Status: New => Triaged

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https://bugs.launchpad.net/bugs/1795677

Title:
  nsswitch/libwbclient:  memory leak in wbcCtxAuthenticateUserEx

Status in samba package in Ubuntu:
  Triaged

Bug description:
  There is a memory leak in
  nsswitch/libwbclient/wbc_pam.c::wbcCtxAuthenticateUserEx

  $ lsb_release -rd
  Description:	Ubuntu 18.04.1 LTS
  Release:	18.04

  samba version: 2:4.7.6+dfsg~ubuntu-0ubuntu2.2

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