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

[Phillip Susi]

Strange, are you sure that is the correct disk?  It looks like that is
an ntfs partition, not fat, which is what parted was complaining about.
I did notice that it says that disk uses 4k sectors.  I thought that dd
was supposed to default to the sector size of the drive so it should
have given 4k, but only gave 512 bytes.  Can you get the full sector by
running sudo dd if=/dev/sde1 count=1 bs=4096 2>/dev/null | xxd?

Come to think of it, parted only even detects filesystems on 512 byte
sector disks.  It must have been another disk.

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Title:
  gpartedbin crashed with SIGSEGV in _int_free()

Status in “gparted” package in Ubuntu:
  Confirmed

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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