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Message #127231
[Bug 1475428] Missing required logs.
This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:
apport-collect 1475428
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: trusty
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https://bugs.launchpad.net/bugs/1475428
Title:
linux-lts-trusty: 3.13.0-57 introduced bad ELF layout for PIE
Status in linux package in Ubuntu:
Incomplete
Bug description:
Since 3.13.0-57 there is the following patch applied:
"fs/binfmt_elf.c: fix bug in loading of PIE binaries" (https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a87938b2e246b81b4fb713edb371a9fa3c5c3c86)
But it is incomplete as its fix is missing:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2b1d3ae940acd11be44c6eced5873d47c2e00ffa
And it completely messes up the PIE regions as it loads unrelated
stuff between .text and .rodata of the PIE binary.
See:
https://github.com/scanmem/scanmem/issues/122
Upstream fixed that by the following commit:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d1fd836dcf00d2028c700c7e44d2c23404062c90
So there are two options here:
1. remove that patch
2. apply the other fixes as well
Also 3.16.0-41 is affected.
Thanks!
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References