pkg_delete core dump

Tsu-Fan Cheng tfcheng at gmail.com
Tue Nov 18 04:37:12 PST 2008


Hi Mel,
   the link to download the +CONTENTS file is here
http://www.megaupload.com/?d=YDKFRCZG, and you know what? I don't have
+REQUIRED_BY file.  thanks!!

there is a empty entry in the +CONTENTS file:

[snip]
@pkgdep linux-scim-libs-1.4.4
@comment DEPORIGIN:textproc/linux-scim-libs
@pkgdep
@comment $FreeBSD: ports/print/acroread8/pkg-plist,v 1.2 2008/04/13
18:36:28 hrs Exp $
[snip]

TFC

On Tue, Nov 18, 2008 at 12:51 AM, Mel
<fbsd.questions at rachie.is-a-geek.net> wrote:
> On Tuesday 18 November 2008 05:18:37 Mel wrote:
>> On Monday 17 November 2008 22:15:32 Tsu-Fan Cheng wrote:
>> > Hi Mel,
>> >    thank you for your help, now I recompile pkg_install and run
>> > pkg_delete again, under print/acroread8 it still coredump. here is the
>> > result:
>> >
>> > # gdb pkg_delete pkg_delete.core
>> > GNU gdb 6.1.1 [FreeBSD]
>> > Copyright 2004 Free Software Foundation, Inc.
>> > GDB is free software, covered by the GNU General Public License, and you
>> > are welcome to change it and/or distribute copies of it under certain
>> > conditions. Type "show copying" to see the conditions.
>> > There is absolutely no warranty for GDB.  Type "show warranty" for
>> > details. This GDB was configured as "i386-marcel-freebsd"...
>> > Core was generated by `pkg_delete'.
>> > Program terminated with signal 11, Segmentation fault.
>> > Reading symbols from /lib/libmd.so.4...done.
>> > Loaded symbols for /lib/libmd.so.4
>> > Reading symbols from /lib/libc.so.7...done.
>> > Loaded symbols for /lib/libc.so.7
>> > Reading symbols from /libexec/ld-elf.so.1...done.
>> > Loaded symbols for /libexec/ld-elf.so.1
>> > #0  0x2815dae6 in strcmp () from /lib/libc.so.7
>> > (gdb) bt
>> > #0  0x2815dae6 in strcmp () from /lib/libc.so.7
>> > #1  0x0804b50c in isinstalledpkg (name=0x0)
>> >     at /usr/src/usr.sbin/pkg_install/lib/match.c:374
>>
>> There's the culprit. strcmp called on a null pointer. The reason is that
>> the +CONTENTS file contains corrupted data. Most likely a @pkgdep line
>> without a package name. Could you show the output of:
>> grep @pkgdep /var/db/pkg/acroread8-8.1.2_2/+CONTENTS
>
> Actually, considering it comes from undepend, could you also include:
> cat /var/db/pkg/acroread8-8.1.2_2/+REQUIRED_BY
>
> --
> Mel
>
> Problem with today's modular software: they start with the modules
>    and never get to the software part.
>


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