bin/90334: /bin/sh trap problem

Dmitriy Kirhlarov dkirhlarov at
Tue Dec 13 06:40:04 PST 2005

>Number:         90334
>Category:       bin
>Synopsis:       /bin/sh trap problem
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Dec 13 14:40:02 GMT 2005
>Originator:     Dmitriy Kirhlarov
>Release:        FreeBSD 5.4-STABLE i386
System: FreeBSD 5.4-STABLE FreeBSD 5.4-STABLE #0: Sun Sep 25 23:26:13 MSD 2005 root at i386

FreeBSD 6.0-STABLE FreeBSD 6.0-STABLE #6: Thu Nov 24 15:26:53 GMT 2005     root at  i386

	on FreeBSD 5.* and FreeBSD 6.* sh scripts hanging with high
	CPU load, when SIGCHLD used.
	problem not present on 4-STABLE
	run simple script
	trap "" 20
	var=`echo anytext | sed 's/text/any/'`


	don't know


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