bin/52500: tar SIGINFO kills the process

[coypu%sdf.org@localhost]

>Number:         52500
>Category:       bin
>Synopsis:       tar SIGINFO kills the process
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Aug 23 08:30:00 +0000 2017
>Originator:     coypu
>Release:        NetBSD 8.99.1
>Organization:
>Environment:
NetBSD 8.99.1 (ERLITE.MP) #1: Tue Aug 22 09:14:28 IDT 2017 fly@loggy:/home/fly/mips64eb/sys/arch/evbmips/compile/ERLITE.MP
>Description:
Using `cu -l ttyU0 -s 115200` to access a machine, if that's relevant:

# tar xzpvf comp.tgz
./etc/mtree/set.comp
load: 1.33  cmd: tar 4923 [0x784f9a78] 0.00u 0.33s 3% 1840k
gzip: error writing to output: Inappropriate ioctl for device
Working on `./usr/bin/addr2line' (189872 bytes)
ustar vol 0, 2 files, 2979328 bytes read, 0 bytes written in 2 secs (1489664 bytes/sec)

tar: End of archive volume 1 reached
tar: ustar vol 1, 2 files, 3012608 bytes read, 0 bytes written in 2 secs (1506304 bytes/sec)
./usr/bin/addr2linetar: Unexpected EOF on archive file

>How-To-Repeat:

>Fix: