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



Control: tag -1 moreinfo unreproducible

On Thu, 25 Feb 2016 11:51:06 -0500 Ron Murray <rjmx@rjmx.net> 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.

Please send an example of an initramfs image that triggers this.

Ben.

-- 
Ben Hutchings
All the simple programs have been written, and all the good names taken.

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