[systemd-devel] systemd pam and O_CLOEXEC problem

[dedede gfgfgf trtrtrtrtrtr]

 Hello.
During my testing  of systemd pam sessions i discovered that session processes are not deleted automatically when i specify KillUserProcesses=yes in latest versions of systemd.
Investigations showed that since in pam_systemd.so we started to dup() fifo descriptor problem appeared. Dup does not set O_CLOEXEC flag. So after fork/exec
all child processes have that descriptor and when parent which open pam session dies, child processes continue to run.

Sergei.
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