[Bug 915626] Re: usb-creator-gtk crashed with SIGSEGV

[Cameron Smith]

I was brought here by the retracer.   I am running 12.10 64-bit on a Samsung NP900X4C.   The bug can only be reproduced with certain ISO files:
 - with ubuntu-12.10-desktop-i386.iso it happens every time
 - with ubuntu-12.04.1-dvd-amd64.iso the USB creator works perfectly first time and the resulting flash drive boots perfectly into 12.04, first time.  Using the graphical installer from within the booted Ubuntu, that works fine too.

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Title:
  usb-creator-gtk crashed with SIGSEGV

Status in “udisks” package in Ubuntu:
  Confirmed
Status in “usb-creator” package in Ubuntu:
  Confirmed
Status in “udisks” source package in Quantal:
  Confirmed
Status in “usb-creator” source package in Quantal:
  Triaged

Bug description:
  1) lsb_release -rd
  Description: Ubuntu 12.10
  Release: 12.10

  2) apt-cache policy usb-creator-gtk
  usb-creator-gtk:
    Installed: 0.2.40ubuntu1
    Candidate: 0.2.40ubuntu1
    Version table:
   *** 0.2.40ubuntu1 0
          500 http://archive.ubuntu.com/ubuntu/ quantal/main i386 Packages
          100 /var/lib/dpkg/status

  3) What is expected to happen via USB disk formatted FAT32 by gparted, is when one types at a terminal:
  usb-creator-gtk

  Under Source disk image (.iso) or CD:
  xubuntu-12.04.1-alternate-i386.iso

  Under Disk to use:
  SanDisk Cruzer Blade (/dev/sdb1)

  click radio button Discard on shutdown, unless you save them elsewhere
  -> click button Make Startup Disk and it does so successfully.

  4) What happens instead is after a while, a window pops up requesting
  one to type in their credentials. Once complete, it immediately
  crashes. This happens consistently and prevents one from creating a
  startup disk successfully.

  Successfully installed this iso by formatting drive in Windows 7, and
  creating bootable USB disk via unetbootin in Windows 7, hence hardware
  is not faulty.

  sudo lsusb -v
  [CUT]
  Bus 002 Device 005: ID 0781:5567 SanDisk Corp. Cruzer Blade
  Device Descriptor:
    bLength 18
    bDescriptorType 1
    bcdUSB 2.00
    bDeviceClass 0 (Defined at Interface level)
    bDeviceSubClass 0
    bDeviceProtocol 0
    bMaxPacketSize0 64
    idVendor 0x0781 SanDisk Corp.
    idProduct 0x5567 Cruzer Blade
    bcdDevice 1.00
    iManufacturer 1 SanDisk
    iProduct 2 Cruzer Blade
    iSerial 3 2005355082076CB031B6
    bNumConfigurations 1
    Configuration Descriptor:
      bLength 9
      bDescriptorType 2
      wTotalLength 32
      bNumInterfaces 1
      bConfigurationValue 1
      iConfiguration 0
      bmAttributes 0x80
        (Bus Powered)
      MaxPower 200mA
      Interface Descriptor:
        bLength 9
        bDescriptorType 4
        bInterfaceNumber 0
        bAlternateSetting 0
        bNumEndpoints 2
        bInterfaceClass 8 Mass Storage
        bInterfaceSubClass 6 SCSI
        bInterfaceProtocol 80 Bulk-Only
        iInterface 0
        Endpoint Descriptor:
          bLength 7
          bDescriptorType 5
          bEndpointAddress 0x81 EP 1 IN
          bmAttributes 2
            Transfer Type Bulk
            Synch Type None
            Usage Type Data
          wMaxPacketSize 0x0200 1x 512 bytes
          bInterval 0
        Endpoint Descriptor:
          bLength 7
          bDescriptorType 5
          bEndpointAddress 0x02 EP 2 OUT
          bmAttributes 2
            Transfer Type Bulk
            Synch Type None
            Usage Type Data
          wMaxPacketSize 0x0200 1x 512 bytes
          bInterval 1
  Device Qualifier (for other device speed):
    bLength 10
    bDescriptorType 6
    bcdUSB 2.00
    bDeviceClass 0 (Defined at Interface level)
    bDeviceSubClass 0
    bDeviceProtocol 0
    bMaxPacketSize0 64
    bNumConfigurations 1
  Device Status: 0x0000
    (Bus Powered)

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: usb-creator-gtk 0.2.35.1
  ProcVersionSignature: Ubuntu 3.2.0-8.15-generic 3.2.0
  Uname: Linux 3.2.0-8-generic x86_64
  ApportVersion: 1.90-0ubuntu1
  Architecture: amd64
  Date: Thu Jan 12 12:05:13 2012
  ExecutablePath: /usr/bin/usb-creator-gtk
  InstallationMedia: Xubuntu 12.04 "Precise Pangolin" - Alpha amd64 (20120109)
  InterpreterPath: /usr/bin/python2.7
  ProcCmdline: /usr/bin/python /usr/bin/usb-creator-gtk
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f4b135fe6c0:	movl   $0xffffffff,0x4(%rdi)
   PC (0x7f4b135fe6c0) ok
   source "$0xffffffff" ok
   destination "0x4(%rdi)" (0x00000004) not located in a known VMA region (needed writable region)!
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: usb-creator
  StacktraceTop:
   ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
   ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
   ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
   ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
   ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
  Title: usb-creator-gtk crashed with SIGSEGV
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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