[Bug 1302762] Re: gpartedbin crashed with SIGSEGV in _int_free()

[Yu Ning]

The crash can also be reproduced even without an real device, replace
/dev/sdc with a normal file name, such as './block', can also reproduce
it.

Here is the crash output from parted:

WARNING: you are attempting to use parted to operate on (mkpartfs) a file system.
parted's file system manipulation code is not as robust as what you'll find in
dedicated, file-system-specific packages like e2fsprogs.  We recommend
you use parted only to manipulate partition tables, whenever possible.
Support for performing most operations on most types of file systems
will be removed in an upcoming release.
Backtrace has 9 calls on stack:
  9: /lib/x86_64-linux-gnu/libparted.so.0(ped_assert+0x31) [0x7f9823b0b4b1]
  8: /lib/x86_64-linux-gnu/libparted.so.0(+0x25cc3) [0x7f9823b21cc3]
  7: /lib/x86_64-linux-gnu/libparted.so.0(fat_create+0x189) [0x7f9823b24f49]
  6: /lib/x86_64-linux-gnu/libparted.so.0(ped_file_system_create+0x51) [0x7f9823b0cef1]
  5: parted() [0x409cbc]
  4: parted(non_interactive_mode+0x8f) [0x40dc5f]
  3: parted(main+0x146d) [0x4064ed]
  2: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f98232e8ec5]
  1: parted() [0x406617]


You found a bug in GNU Parted! Here's what you have to do:

Don't panic! The bug has most likely not affected any of your data.
Help us to fix this bug by doing the following:

Check whether the bug has already been fixed by checking
the last version of GNU Parted that you can find at:

        http://ftp.gnu.org/gnu/parted/

Please check this version prior to bug reporting.

If this has not been fixed yet or if you don't know how to check,
please visit the GNU Parted website:

        http://www.gnu.org/software/parted

for further information.

Your report should contain the version of this release (2.3)
along with the error message below, the output of

        parted DEVICE unit co print unit s print

and the following history of commands you entered.
Also include any additional information about your setup you
consider important.

Assertion (bs != NULL) at ../../../../libparted/fs/fat/bootsector.c:282
in function fat_boot_sector_set_boot_code() failed.

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https://bugs.launchpad.net/bugs/1302762

Title:
  gpartedbin crashed with SIGSEGV in _int_free()

Status in “parted” package in Ubuntu:
  Fix Released
Status in “parted” source package in Trusty:
  Fix Released
Status in “parted” package in Debian:
  Fix Released

Bug description:
  crashes as soon as it appears followins password entry

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: gparted 0.18.0-1
  ProcVersionSignature: Ubuntu 3.13.0-23.45-generic 3.13.8
  Uname: Linux 3.13.0-23-generic x86_64
  ApportVersion: 2.14-0ubuntu1
  Architecture: amd64
  Date: Fri Apr  4 19:23:15 2014
  ExecutablePath: /usr/sbin/gpartedbin
  InstallationDate: Installed on 2014-04-04 (0 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140115)
  ProcCmdline: /usr/sbin/gpartedbin
  SegvAnalysis:
   Segfault happened at: 0x7f3d389b1f6f <_int_free+527>:	cmp    0x18(%rax),%r13
   PC (0x7f3d389b1f6f) ok
   source "0x18(%rax)" (0xbcd08e1000b912) not located in a known VMA region (needed readable region)!
   destination "%r13" ok
   Stack memory exhausted (SP below stack segment)
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: gparted
  StacktraceTop:
   _int_free (av=0x7f3d1c000020, p=<optimised out>, have_lock=0) at malloc.c:3996
   ped_exception_catch () from /lib/x86_64-linux-gnu/libparted.so.0
   ped_exception_throw () from /lib/x86_64-linux-gnu/libparted.so.0
   fat_boot_sector_read () from /lib/x86_64-linux-gnu/libparted.so.0
   fat_probe () from /lib/x86_64-linux-gnu/libparted.so.0
  Title: gpartedbin crashed with SIGSEGV in _int_free()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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