[Bug 1921064] Re: wget 1.19.4 corrupts large downloaded files

[Tony Travis]

Please note: I ran "ubuntu-bug" on the system running "wget" 1.19.4
under Ubuntu-MATE 18.04 LTS, but I reported the bug using Firefox
running under Ubuntu-MATE 20.04 LTS

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Title:
  wget 1.19.4 corrupts large downloaded files

Status in wget package in Ubuntu:
  New

Bug description:
  In normal use, downloading small files, "wget" 1.19.4 works correctly
  under Ubuntu-MATE 18.04 LTS. The length and md5sums of downloaded
  files are correct. However, when attempting to download a larger 16GB
  .tar.gz file the length of the original file on the server is
  16336802611 bytes, but the downloaded file is 16463139667 bytes and
  the computed md5sum of the file does not match the stored md5sum of
  the file on the server:

  ionice -c idle wget --no-check-certificate ftp://ftp.ncbi.nih.gov/snp/organisms/human_9606_b151_GRCh38p7/VCF/All_20180418.vcf.gz
  --2021-03-23 16:22:12--  ftp://ftp.ncbi.nih.gov/snp/organisms/human_9606_b151_GRCh38p7/VCF/All_20180418.vcf.gz
             => ‘All_20180418.vcf.gz’
  Resolving ftp.ncbi.nih.gov (ftp.ncbi.nih.gov)... 130.14.250.11, 130.14.250.13, 2607:f220:41e:250::11, ...
  Connecting to ftp.ncbi.nih.gov (ftp.ncbi.nih.gov)|130.14.250.11|:21... connected.
  Logging in as anonymous ... Logged in!
  ==> SYST ... done.    ==> PWD ... done.
  ==> TYPE I ... done.  ==> CWD (1) /snp/organisms/human_9606_b151_GRCh38p7/VCF ... done.
  ==> SIZE All_20180418.vcf.gz ... 16336802611
  ==> PASV ... done.    ==> RETR All_20180418.vcf.gz ... done.
  Length: 16336802611 (15G) (unauthoritative)

  All_20180418.vcf.gz
  100%[================================================================================================================>]
  15.33G   939KB/s    in 2h 7m

  2021-03-23 18:29:25 (2.06 MB/s) - ‘All_20180418.vcf.gz’ saved
  [16463139667]

  Repeating the same download using "wget" 1.20.3 under Ubuntu-MATE
  20.04 LTS, the file length and md5sum are correct.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: wget 1.19.4-1ubuntu2.2
  ProcVersionSignature: Ubuntu 5.4.0-66.74~18.04.2-generic 5.4.86
  Uname: Linux 5.4.0-66-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset nvidia
  ApportVersion: 2.20.9-0ubuntu7.23
  Architecture: amd64
  Date: Wed Mar 24 02:32:49 2021
  InstallationDate: Installed on 2020-08-03 (232 days ago)
  InstallationMedia: Ubuntu-MATE 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: wget
  UpgradeStatus: No upgrade log present (probably fresh install)

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