[Bug 1072745] [NEW] tac assert failure: *** glibc detected *** tac: double free or corruption (!prev): 0x0946a890 ***

[Marcos K]

Public bug reported:

text file contains ^M
(hope it's attached)

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: coreutils 8.5-1ubuntu6
ProcVersionSignature: Ubuntu 3.0.0-26.43-generic 3.0.43
Uname: Linux 3.0.0-26-generic i686
NonfreeKernelModules: btrfs zlib_deflate libcrc32c ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs reiserfs usb_storage uas cdc_acm st lp parport_pc pci_stub vboxpci vboxnetadp vboxnetflt vboxdrv snd_hrtimer rfcomm bnep ip6table_filter ip6_tables ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge stp ppdev binfmt_misc gspca_vc032x gspca_main snd_hda_codec_realtek videodev snd_hda_intel btusb snd_hda_codec snd_hwdep snd_pcm arc4 bluetooth snd_seq_midi radeon snd_rawmidi iwl3945 snd_seq_midi_event iwl_legacy snd_seq joydev snd_timer snd_seq_device pcmcia tifm_7xx1 tifm_core ttm drm_kms_helper drm nls_iso8859_1 nls_cp437 yenta_socket pcmcia_rsrc irda snd mac80211 acer_wmi psmouse serio_raw i2c_algo_bit pcmcia_core soundcore snd_page_alloc crc_ccitt sparse_keymap cfg80211 vfat fat wmi parport usbhid hid firewire_ohci firewire_core crc_itu_t tg3
ApportVersion: 1.23-0ubuntu4
Architecture: i386
AssertionMessage: *** glibc detected *** tac: double free or corruption (!prev): 0x0946a890 ***
Date: Mon Oct 29 15:19:32 2012
ExecutablePath: /usr/bin/tac
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
ProcCmdline: tac
Signal: 6
SourcePackage: coreutils
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib/i386-linux-gnu/libc.so.6
 abort () from /lib/i386-linux-gnu/libc.so.6
 ?? () from /lib/i386-linux-gnu/libc.so.6
 ?? () from /lib/i386-linux-gnu/libc.so.6
Title: tac assert failure: *** glibc detected *** tac: double free or corruption (!prev): 0x0946a890 ***
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout libvirtd lpadmin plugdev sambashare

** Affects: coreutils (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-crash i386 need-i386-retrace oneiric

** Information type changed from Private to Public

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https://bugs.launchpad.net/bugs/1072745

Title:
  tac assert failure: *** glibc detected *** tac: double free or
  corruption (!prev): 0x0946a890 ***

Status in “coreutils” package in Ubuntu:
  New

Bug description:
  text file contains ^M
  (hope it's attached)

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: coreutils 8.5-1ubuntu6
  ProcVersionSignature: Ubuntu 3.0.0-26.43-generic 3.0.43
  Uname: Linux 3.0.0-26-generic i686
  NonfreeKernelModules: btrfs zlib_deflate libcrc32c ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs reiserfs usb_storage uas cdc_acm st lp parport_pc pci_stub vboxpci vboxnetadp vboxnetflt vboxdrv snd_hrtimer rfcomm bnep ip6table_filter ip6_tables ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge stp ppdev binfmt_misc gspca_vc032x gspca_main snd_hda_codec_realtek videodev snd_hda_intel btusb snd_hda_codec snd_hwdep snd_pcm arc4 bluetooth snd_seq_midi radeon snd_rawmidi iwl3945 snd_seq_midi_event iwl_legacy snd_seq joydev snd_timer snd_seq_device pcmcia tifm_7xx1 tifm_core ttm drm_kms_helper drm nls_iso8859_1 nls_cp437 yenta_socket pcmcia_rsrc irda snd mac80211 acer_wmi psmouse serio_raw i2c_algo_bit pcmcia_core soundcore snd_page_alloc crc_ccitt sparse_keymap cfg80211 vfat fat wmi parport usbhid hid firewire_ohci firewire_core crc_itu_t tg3
  ApportVersion: 1.23-0ubuntu4
  Architecture: i386
  AssertionMessage: *** glibc detected *** tac: double free or corruption (!prev): 0x0946a890 ***
  Date: Mon Oct 29 15:19:32 2012
  ExecutablePath: /usr/bin/tac
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  ProcCmdline: tac
  Signal: 6
  SourcePackage: coreutils
  StacktraceTop:
   __kernel_vsyscall ()
   raise () from /lib/i386-linux-gnu/libc.so.6
   abort () from /lib/i386-linux-gnu/libc.so.6
   ?? () from /lib/i386-linux-gnu/libc.so.6
   ?? () from /lib/i386-linux-gnu/libc.so.6
  Title: tac assert failure: *** glibc detected *** tac: double free or corruption (!prev): 0x0946a890 ***
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm admin cdrom dialout libvirtd lpadmin plugdev sambashare

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