[Bug 1659719] Autopkgtest regression report (pam/1.3.1-5ubuntu4.1)

[Ubuntu SRU Bot]

All autopkgtests for the newly accepted pam (1.3.1-5ubuntu4.1) for focal have finished running.
The following regressions have been reported in tests triggered by the package:

kopanocore/8.7.0-7ubuntu1 (armhf)
cyrus-imapd/3.0.13-5 (armhf, arm64, s390x, ppc64el, amd64)
xpra/3.0.6+dfsg1-1build1 (amd64)


Please visit the excuses page listed below and investigate the failures, proceeding afterwards as per the StableReleaseUpdates policy regarding autopkgtest regressions [1].

https://people.canonical.com/~ubuntu-archive/proposed-
migration/focal/update_excuses.html#pam

[1] https://wiki.ubuntu.com/StableReleaseUpdates#Autopkgtest_Regressions

Thank you!

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https://bugs.launchpad.net/bugs/1659719

Title:
  ssh can't call a binary from a snap without the full path

Status in Snappy:
  Fix Committed
Status in livecd-rootfs package in Ubuntu:
  Fix Released
Status in openssh package in Ubuntu:
  Confirmed
Status in pam package in Ubuntu:
  Fix Released
Status in livecd-rootfs source package in Xenial:
  New
Status in openssh source package in Xenial:
  New
Status in pam source package in Xenial:
  New
Status in livecd-rootfs source package in Bionic:
  New
Status in openssh source package in Bionic:
  New
Status in pam source package in Bionic:
  New
Status in livecd-rootfs source package in Focal:
  New
Status in openssh source package in Focal:
  New
Status in pam source package in Focal:
  Fix Committed
Status in livecd-rootfs source package in Groovy:
  Fix Released
Status in openssh source package in Groovy:
  Confirmed
Status in pam source package in Groovy:
  Fix Released
Status in openssh package in Debian:
  New

Bug description:
  [impact]
  ssh can't call a binary from a snap, it will only work using the full path.

  [test case]
  Create a container. Install the go snap (and make sure golang-go is not installed). Run "ssh <container-ip> go version" and check the binary is found.

  [regression potential]
  It's a pam change an they are always a bit scary but the code follows the existing pattern for updating PATH in /etc/environment and has been tested in groovy.

  [original description]

  Let's say I have the hello snap installed in 192.168.122.24. Then:

  elopio at ubuntu-xenial:~/mosh$ ssh 192.168.122.24 hello
  elopio at 192.168.122.24's password:
  bash: hello: command not found
  elopio at ubuntu-xenial:~/mosh$ ssh 192.168.122.24 /snap/bin/hello
  elopio at 192.168.122.24's password:
  Hello, world!

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