[Bug 2777] sshd crashes when getpwnam result is returned by libnss_systemd

[bugzilla-daemon at bugzilla.mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=2777

Damien Miller <djm at mindrot.org> changed:

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   Attachment #3110|                            |ok?
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--- Comment #1 from Damien Miller <djm at mindrot.org> ---
Created attachment 3110
  --> https://bugzilla.mindrot.org/attachment.cgi?id=3110&action=edit
keep scrubbed copy of passwd struct

We can use the existing pwcopy() function to make a local, mutable copy
and hope the system endpwent() does the right thing and scrubs the last
returned passwd entry from memory.

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