Subject: bin/8237: decompressing broken bzip2'd file, gzip(1) dumps core
To: None <gnats-bugs@gnats.netbsd.org>
From: NAKAJIMA Yoshihiro <nakayosh@kcn.ne.jp>
List: netbsd-bugs
Date: 08/19/1999 08:52:05
>Number:         8237
>Category:       bin
>Synopsis:       decompressing broken bzip2'd file, gzip(1) dumps core
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    bin-bug-people (Utility Bug People)
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Aug 19 08:35:01 1999
>Last-Modified:
>Originator:     NAKAJIMA Yoshihiro
>Organization:
>Release:        NetBSD-current 1999/08/18
>Environment:
System: NetBSD asura 1.4K NetBSD 1.4K (ASURA) #0: Thu Aug 19 23:19:42 JST 1999 nakayosh@asura:/usr/src/sys/arch/i386/compile/ASURA i386


>Description:
	Our bunzip2-able gzip(1) dumps core when decompressing broken
	file.

>How-To-Repeat:
	% echo HELLO | bzip2 | tr '\020' '\021' > broken.bz2
	% gzip -dc broken.bz2
	Segmentation fault (core dumped)
	% 

>Fix:
	I don't know. (bzip2(1) prepares SIGSEGV and SIGBUS signal
	handlers)
>Audit-Trail:
>Unformatted: