[Bug 10231] New: /bin/sh not handling some environment variable

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=10231

            Bug ID: 10231
           Summary: /bin/sh not handling some environment variable
           Product: Busybox
           Version: 1.27.x
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Standard Compliance
          Assignee: unassigned at busybox.net
          Reporter: olivier.voortman at gmail.com
                CC: busybox-cvs at busybox.net
  Target Milestone: ---

Hello,

It seems environment variables that contains [] characters are not passed
through /bin/sh since version BusyBox v1.26.

It was working in version BusyBox v1.25.

Here is a simple test using the docker image :

$ docker run --rm -it -e FOO[0]=BAR busybox:1.25 /bin/sh -c env | grep BAR
FOO[0]=BAR
$ docker run --rm -it -e FOO[0]=BAR busybox:1.26 /bin/sh -c env | grep BAR
$ docker run --rm -it -e FOO[0]=BAR busybox:1.27 /bin/sh -c env | grep BAR
$

Regards,

Olivier

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