>Number:         22286
>Category:       bin
>Synopsis:       dump crashes with bogus arguments
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    bin-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sun Jul 27 19:23:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator:     Christian Biere
>Release:        NetBSD 1.6U
>Organization:
>Environment:

>Description:
Out of curiousity I tried the following:

$ /sbin/dump -0 -f /dev/null /dev/zero
dump: Cannot open `/etc/fstab': Permission denied
  DUMP: Can't open /etc/fstab for dump table information: Permission
	denied
DUMP: rawread: lseek fails
  DUMP: rawread: lseek2 fails: Permission denied!
  DUMP: rawread: lseek fails
  DUMP: rawread: lseek2 fails: Permission denied!
  DUMP: rawread: lseek fails
  DUMP: rawread: lseek2 fails: Permission denied!
  DUMP: rawread: lseek fails
  DUMP: rawread: lseek2 fails: Permission denied!
  DUMP: rawread: lseek fails
  DUMP: rawread: lseek2 fails: Permission denied!
Segmentation fault

#0  0x080a14d0 in fs_read_sblock (superblock=0x80ad040 "") at
	ffs_inode.c:86 
#1  0x08055a4a in main (argc=1, argv=0xbfbff728) at main.c:423 
#2  0x08049ac4 in ___start ()
(gdb) info lo
i = 12728
ns = 0
(gdb) p sblock_try 
$1 = {65536, 8192, 0, 262144, -1}
(gdb) p superblock 
$2 = 0x80ad040 ""

$ /sbin/dump -0 -f /dev/null /dev/null
dump: Cannot open `/etc/fstab': Permission denied
  DUMP: Can't open /etc/fstab for dump table information: Permission
	denied
Segmentation fault

#0  0x08082f4a in rawread (blkno=65536, buf=0x80ad040 "", size=65536)
    at rcache.c:205
#1  0x080a14e3 in fs_read_sblock (superblock=0x80ad040 "") at
	ffs_inode.c:86
#2  0x08055a4a in main (argc=1, argv=0xbfbff728) at
	main.c:423
#3  0x08049ac4 in ___start ()
(gdb) p ufsib
$7 = (struct ufsi *) 0x0
(gdb) info lo
cnt = 0
i = 1208673842
(gdb) p *buf
$3 = 0 '\0'


$ ident /sbin/dump
/sbin/dump:
     $NetBSD: crt0.c,v 1.12 2001/12/30 23:23:38 thorpej Exp $
     $NetBSD: itime.c,v 1.14 2002/11/16 14:15:35 itojun Exp $
     $NetBSD: main.c,v 1.55 2003/04/02 10:39:24 fvdl Exp $
     $NetBSD: optr.c,v 1.30 2003/04/02 10:39:24 fvdl Exp $
     $NetBSD: dumprmt.c,v 1.29 2001/12/25 12:06:26 lukem Exp $
     $NetBSD: rcache.c,v 1.20 2003/04/19 23:29:12 tls Exp $
     $NetBSD: tape.c,v 1.40 2003/04/02 10:39:24 fvdl Exp $
     $NetBSD: traverse.c,v 1.41 2003/05/01 11:29:55 fvdl Exp $
     $NetBSD: unctime.c,v 1.14 2003/04/02 10:39:25 fvdl Exp $
     $NetBSD: ffs_inode.c,v 1.12 2003/04/02 10:39:24 fvdl Exp $
     $NetBSD: ffs_bswap.c,v 1.20 2003/04/16 14:20:25 yamt Exp $


>How-To-Repeat:

See above.

>Fix:

N/A
>Release-Note:
>Audit-Trail:
>Unformatted: