Bug#658975: tar -g incremental segfault

2012-12-09 Thread Nathan Stratton Treadway
I don't have any personal experience with this bug, but according to
the following post, it was fixed in tar 1.24:
  http://lists.gnu.org/archive/html/bug-tar/2012-10/msg00039.html


The patch referenced in that message is just one line, and can be found
at:
  
http://git.savannah.gnu.org/cgit/tar.git/commit/?id=e21d54e8cd3d8026ad56f90cc6bde831106c2cb9

(If I understand the patch correctly, it appears that the segfault is
only triggered when a plain / is included in the list of files to add
to the archive)

Nathan


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Bug#658975: tar -g incremental segfault

2012-07-20 Thread Tom Vier
Package: tar
Version: 1.23-3
Severity: normal


I ran into this as well and I'm able to reproduce it.

The bigger the -g incremental file, the more often it seg faults. Some
groups of dirs trigger it, some don't. It can even seg fault on the first
run (before the listed-incremental file is written).

The bug was introduced in upstream 1.23. 1.22 works.

1.23 (upstream) seems to always seg fault here:
[Thread debugging using libthread_db enabled]

Program received signal SIGSEGV, Segmentation fault.
hash_string (string=0x0, n_buckets=1777) at hash.c:427
427   for (; (ch = *string); string++)


Tom Vier t...@triadsys.com
Senior Net/Sys Admin
Triad Systems Engineering, Inc.

703-956-1535 office
703-984-9093 cell
703-404-0308 helpdesk

-- System Information:
Debian Release: 6.0.5
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 2.6.32-5-686 (SMP w/1 CPU core)
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Shell: /bin/sh linked to /bin/bash

Versions of packages tar depends on:
ii  libc6 2.11.3-3   Embedded GNU C Library: Shared lib

tar recommends no packages.

Versions of packages tar suggests:
ii  bzip2   1.0.5-6+squeeze1 high-quality block-sorting file co
pn  ncompress   none   (no description available)
ii  xz-utils5.0.0-2  XZ-format compression utilities

-- no debconf information


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