[Bug 15351] New: latest 1.36.0 `sh -i` without tty segfaults

[bugzilla at busybox.net]

https://bugs.busybox.net/show_bug.cgi?id=15351

            Bug ID: 15351
           Summary: latest 1.36.0 `sh -i` without tty segfaults
           Product: Busybox
           Version: unspecified
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: major
          Priority: P5
         Component: Other
          Assignee: unassigned at busybox.net
          Reporter: logoerthiner1 at 163.com
                CC: busybox-cvs at busybox.net
  Target Milestone: ---

A quick way to check whether a busybox version has this bug:

```
user@~ $ docker pull busybox
Using default tag: latest
latest: Pulling from library/busybox
Digest: sha256:7b3ccabffc97de872a30dfd234fd972a66d247c8cfc69b0550f276481852627c
Status: Image is up to date for busybox:latest
docker.io/library/busybox:latest
user@~ $ docker run -ti --rm busybox sh
/ # 
/ # cat | sh -i

Segmentation fault (core dumped)
[1]+  Stopped (tty input)        cat | sh -i
/ # fg
cat | sh -i
```

This bug appears both in my manually compiled version and in docker shipped
version, so it is not related to specific compiler or configs.

It seems that `sh -i` assumes stdin is a tty and will segfault when it is not.
This bug does not appear in 1.35.0 but shows in 1.36.0 .

-- 
You are receiving this mail because:
You are on the CC list for the bug.