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bin/55815: tar opens device files

>Number:         55815
>Category:       bin
>Synopsis:       tar opens device files
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Nov 22 13:25:00 +0000 2020
>Originator:     Martin Husemann
>Release:        NetBSD 9.99.75
The NetBSD Foundation, Inc.
System: NetBSD 9.99.75 NetBSD 9.99.75 (GENERIC) #425: Wed Nov 4 15:34:33 CET 2020 amd64
Architecture: x86_64
Machine: amd64

Tar does open device files, which is a *very* bad idea.


ktrace tar cvf - /dev >/dev/null
(but carefull, might kill your machine)

Switch MKBSDTAR back to off.

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