← Back to team overview

kernel-packages team mailing list archive

[Bug 1457472] [NEW] TPACKET_V3 in Linux before 3.19 causes packet loss in libpcap

 

Public bug reported:

Observed packet loss and major slowdown in Nmap on Ubuntu 14.04:
https://github.com/nmap/nmap/issues/34

Traced to this bug report for libpcap 1.5.3: https://github.com/the-
tcpdump-group/libpcap/issues/380

Underlying issue is a bug in the Linux kernel which was fixed in 3.19:
https://github.com/torvalds/linux/commit/da413ee

Please backport this patch to Ubuntu 14.04 LTS kernel.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-53-generic 3.13.0-53.89
ProcVersionSignature: Ubuntu 3.13.0-53.89-generic 3.13.11-ckt19
Uname: Linux 3.13.0-53-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.10
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  nmap      12401 F.... pulseaudio
 /dev/snd/pcmC0D0c:   nmap      12401 F...m pulseaudio
 /dev/snd/pcmC0D0p:   nmap      12401 F...m pulseaudio
 /dev/snd/timer:      nmap      12401 f.... pulseaudio
CurrentDmesg: [   25.541696] init: plymouth-upstart-bridge main process ended, respawning
Date: Thu May 21 07:42:08 2015
HibernationDevice: RESUME=UUID=e4b6770e-dcc5-445d-a445-25d9a244e204
InstallationDate: Installed on 2015-01-01 (139 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
IwConfig:
 eth0      no wireless extensions.
 
 lo        no wireless extensions.
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 002: ID 80ee:0021 VirtualBox USB Tablet
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: innotek GmbH VirtualBox
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-53-generic root=UUID=032922f2-3fe1-4228-8c93-8c1e9afc4289 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-53-generic N/A
 linux-backports-modules-3.13.0-53-generic  N/A
 linux-firmware                             1.127.12
RfKill:
 
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/01/2006
dmi.bios.vendor: innotek GmbH
dmi.bios.version: VirtualBox
dmi.board.name: VirtualBox
dmi.board.vendor: Oracle Corporation
dmi.board.version: 1.2
dmi.chassis.type: 1
dmi.chassis.vendor: Oracle Corporation
dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr:
dmi.product.name: VirtualBox
dmi.product.version: 1.2
dmi.sys.vendor: innotek GmbH

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


** Tags: amd64 apport-bug trusty

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1457472

Title:
  TPACKET_V3 in Linux before 3.19 causes packet loss in libpcap

Status in linux package in Ubuntu:
  New

Bug description:
  Observed packet loss and major slowdown in Nmap on Ubuntu 14.04:
  https://github.com/nmap/nmap/issues/34

  Traced to this bug report for libpcap 1.5.3: https://github.com/the-
  tcpdump-group/libpcap/issues/380

  Underlying issue is a bug in the Linux kernel which was fixed in 3.19:
  https://github.com/torvalds/linux/commit/da413ee

  Please backport this patch to Ubuntu 14.04 LTS kernel.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-53-generic 3.13.0-53.89
  ProcVersionSignature: Ubuntu 3.13.0-53.89-generic 3.13.11-ckt19
  Uname: Linux 3.13.0-53-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.10
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  nmap      12401 F.... pulseaudio
   /dev/snd/pcmC0D0c:   nmap      12401 F...m pulseaudio
   /dev/snd/pcmC0D0p:   nmap      12401 F...m pulseaudio
   /dev/snd/timer:      nmap      12401 f.... pulseaudio
  CurrentDmesg: [   25.541696] init: plymouth-upstart-bridge main process ended, respawning
  Date: Thu May 21 07:42:08 2015
  HibernationDevice: RESUME=UUID=e4b6770e-dcc5-445d-a445-25d9a244e204
  InstallationDate: Installed on 2015-01-01 (139 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 002: ID 80ee:0021 VirtualBox USB Tablet
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: innotek GmbH VirtualBox
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-53-generic root=UUID=032922f2-3fe1-4228-8c93-8c1e9afc4289 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-53-generic N/A
   linux-backports-modules-3.13.0-53-generic  N/A
   linux-firmware                             1.127.12
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/01/2006
  dmi.bios.vendor: innotek GmbH
  dmi.bios.version: VirtualBox
  dmi.board.name: VirtualBox
  dmi.board.vendor: Oracle Corporation
  dmi.board.version: 1.2
  dmi.chassis.type: 1
  dmi.chassis.vendor: Oracle Corporation
  dmi.modalias: dmi:bvninnotekGmbH:bvrVirtualBox:bd12/01/2006:svninnotekGmbH:pnVirtualBox:pvr1.2:rvnOracleCorporation:rnVirtualBox:rvr1.2:cvnOracleCorporation:ct1:cvr:
  dmi.product.name: VirtualBox
  dmi.product.version: 1.2
  dmi.sys.vendor: innotek GmbH

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1457472/+subscriptions


Follow ups

References