Ubuntu
apt package

/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt created non-world-readable, breaks apt-get source

Bug #741098 reported by Matt Zimmerman on 2011-03-23

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	apt (Ubuntu)	Fix Released	Medium	Unassigned

Bug Description

Binary package hint: apt

braukoff:[/tmp] apt-get source bup
Reading package lists... Done
Building dependency tree
Reading state information... Done
Need to get 216kB of source archives.
0% [Working]

and it just hangs there indefinitely. strace shows:

22143 stat64("/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt", {st_mode=S_IFREG|0640, st_size=555, ...}) = 0
22143 open("/var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt", O_RDONLY|O_LARGEFILE) = -1 EACCES (Permission denied)
22141 <... select resumed> ) = 0 (Timeout)
22141 gettimeofday({1300897503, 824582}, NULL) = 0
22141 rt_sigprocmask(SIG_BLOCK, [WINCH], [], 8) = 0
22141 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
22141 write(1, "\r0% [Working]", 13) = 13
22141 select(38, [37], [], NULL, {0, 500000}) = 0 (Timeout)
22141 gettimeofday({1300897504, 325907}, NULL) = 0
22141 rt_sigprocmask(SIG_BLOCK, [WINCH], [], 8) = 0
22141 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
22141 write(1, "\r0% [Working]", 13) = 13
22141 select(38, [37], [], NULL, {0, 500000}) = 0 (Timeout)

ad infinitum.

-rw-r----- 1 root root 555 2011-03-23 06:15 /var/lib/apt/mirrors/mirrors.ubuntu.com_mirrors.txt

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: apt 0.8.3ubuntu7
ProcVersionSignature: Ubuntu 2.6.35-28.49-generic 2.6.35.11
Uname: Linux 2.6.35-28-generic i686
Architecture: i386
Date: Wed Mar 23 16:25:37 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Alpha i386 (20100315)
ProcEnviron:
LC_COLLATE=C
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/zsh
SourcePackage: apt

Tags:

Related branches

lp://staging/~mvo/apt/mvo

Merged into lp://staging/~pitti/apt/compressed-indexes at revision 2036

Ubuntu Core Development Team: Pending requested 2010-10-13

Merged into lp://staging/~ubuntu-core-dev/apt/ubuntu at revision 1810

Ubuntu Core Development Team: Pending requested 2010-10-13

lp://staging/ubuntu/natty/apt

Revision history for this message

Matt Zimmerman (mdz) wrote on 2011-03-23:

Dependencies.txt Edit (599 bytes, text/plain; charset="utf-8")

Revision history for this message

Matt Zimmerman (mdz) wrote on 2011-03-23:

untested patch Edit (444 bytes, text/plain)

Here's a one-liner which may fix the problem. I can't build apt on this machine right now, but can maybe test it later if you don't get to it first

Brian Murray (brian-murray) on 2011-03-23

tags:

added: patch

Michael Vogt (mvo) on 2011-03-24

Changed in apt (Ubuntu):
status:	New → Confirmed
importance:	Undecided → Medium

Michael Vogt (mvo) on 2011-03-24

Changed in apt (Ubuntu):
status:	Confirmed → In Progress

Revision history for this message

Michael Vogt (mvo) wrote on 2011-03-24:

I fixed a bit more around this code, it should no longer hang too.

Revision history for this message

Launchpad Janitor (janitor) wrote on 2011-03-24:

This bug was fixed in the package apt - 0.8.13ubuntu2

---------------
apt (0.8.13ubuntu2) natty; urgency=low

  * po/makefile:
    - add hack to run MSGMERGE again if it segfaults. this is to help
      powerpc to bootstrap
  * mirror method:
    - merge fix from Matt Zimmerman, many thanks (LP: #741098)
    - do not crash if the mirror file fails to download
-- Michael Vogt <email address hidden> Thu, 24 Mar 2011 18:01:38 +0100