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Groups > linux.debian.kernel > #53065

Bug#815915: initramfs-tools-core: lsinitramfs causes zcat crash when Intel microcode is included in initrd

From Ben Hutchings <ben@decadent.org.uk>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#815915: initramfs-tools-core: lsinitramfs causes zcat crash when Intel microcode is included in initrd
Date 2016-02-28 06:00 +0100
Message-ID <r71Cx-5AH-3@gated-at.bofh.it> (permalink)
References <r71Cy-5AH-9@gated-at.bofh.it> <r67An-6XN-29@gated-at.bofh.it>
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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Control: severity -1 important
Control: clone -1 -2
Control: reassign -2 gzip
Control: tag -2 security

On Thu, 2016-02-25 at 11:51 -0500, Ron Murray wrote:
> Package: initramfs-tools-core
> Version: 0.123
> Severity: normal
> 
> Dear Maintainer,
> 
> When using lsinitramfs to check the contents of an initrd:
> 
> > root:~# lsinitramfs /boot/initrd.img-4.4.2
> > /boot/initrd.img-4.4.2-curly-0
> > kernel
> > kernel/x86
> > kernel/x86/microcode
> > kernel/x86/microcode/GenuineIntel.bin
> > *** Error in `zcat': double free or corruption (!prev): 0x0000000002236940 ***
> 
> lsinitramfs runs fine on my AMD boxes.
> 
> It seems that Ubuntu has at least two reports of this: see their bug
> numberss 1541076 and 1507443. I don't see a Debian bug report on it, though.

The crash is a bug in zcat.  But presumably we are also not invoking it
correctly.

Ben.

-- 
Ben Hutchings
Every program is either trivial or else contains at least one bug

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Thread

Bug#815915: initramfs-tools-core: lsinitramfs causes zcat crash when Intel microcode is included in initrd Ron Murray <rjmx@rjmx.net> - 2016-02-25 18:10 +0100
  Processed: Re: Bug#815915: initramfs-tools-core: lsinitramfs  causes zcat crash when Intel microcode is included in initrd owner@bugs.debian.org (Debian Bug Tracking System) - 2016-02-28 06:00 +0100
  Bug#815915: initramfs-tools-core: lsinitramfs causes zcat crash when Intel microcode is included in initrd Ben Hutchings <ben@decadent.org.uk> - 2016-02-28 06:00 +0100
    Bug#815915: initramfs-tools-core: lsinitramfs causes zcat crash when Intel microcode is included in initrd Moritz Muehlenhoff <jmm@debian.org> - 2016-03-30 13:00 +0200
  Processed: Re: initramfs-tools-core: lsinitramfs causes zcat  crash when Intel microcode is included in initrd owner@bugs.debian.org (Debian Bug Tracking System) - 2016-04-16 15:10 +0200
  Bug#815915: initramfs-tools-core: lsinitramfs causes zcat crash when Intel microcode is included in initrd Ben Hutchings <ben@decadent.org.uk> - 2016-04-16 15:10 +0200
  Bug#815915: marked as done (initramfs-tools-core: lsinitramfs  causes zcat crash when Intel microcode is included in initrd) owner@bugs.debian.org (Debian Bug Tracking System) - 2016-04-17 21:30 +0200

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