[Bug 420931] Re: zsync crashes with SIGSEGV when updating dvds

Steve Beattie sbeattie at ubuntu.com
Wed Sep 23 17:56:02 BST 2009


** Description changed:

  Binary package hint: zsync
  
  Was zsync'ing http://cdimages.ubuntu.com//kubuntu/dvd/20090828/karmic-
  dvd-i386.iso
  
  ProblemType: Crash
  Architecture: amd64
  Date: Fri Aug 28 21:48:36 2009
  Dependencies:
   findutils 4.4.2-1
   gcc-4.4-base 4.4.1-3ubuntu1
   libc6 2.10.1-0ubuntu7
   libgcc1 1:4.4.1-3ubuntu1
  DistroRelease: Ubuntu 9.10
  ExecutablePath: /usr/bin/zsync
  Package: zsync 0.6-1ubuntu1
  ProcCmdline: /usr/bin/zsync -k kubuntu/.karmic-dvd-i386.iso.zsync -o kubuntu/karmic-dvd-i386.iso http://cdimages.ubuntu.com//kubuntu/dvd/current/karmic-dvd-i386.iso.zsync
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=bash
  ProcVersionSignature: Ubuntu 2.6.31-7.27-server
  SegvAnalysis:
   Segfault happened at: 0x4098a5 <fflush at plt+31821>:	repz cmpsb %es:(%rdi),%ds:(%rsi)
   PC (0x004098a5) ok
   source "%es:(%rdi)" (0x7f09712e9d1c) not located in a known VMA region (needed readable region)!
   destination "%ds:(%rsi)" (0x7fffc9b807c0) ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: zsync
  StacktraceTop:
   ?? ()
   ?? ()
   ?? ()
   ?? ()
   ?? ()
  Title: zsync crashed with SIGSEGV
  Uname: Linux 2.6.31-7-server x86_64
  UserGroups: adm admin cdrom dialout kvm lpadmin plugdev sambashare
+ 
+ 
+ TESTCASE:
+ zsync a dvd from cdimages.ubuntu.com, e.g.:
+   $ /usr/bin/zsync  -k .karmic-dvd-i386.iso.zsync -o karmic-dvd-i386.iso http://cdimage.ubuntu.com//edubuntu/dvd/current/karmic-dvd-i386.iso.zsync
+ You may need to kill the download partway through (after 2GB of data has been downloaded) and then resume to trigger the segv.

-- 
zsync crashes with SIGSEGV when updating dvds
https://bugs.launchpad.net/bugs/420931
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