$ rmadison --arch=s390x linux-generic | grep eoan-proposed
linux-generic | 5.2.0.8.9 | eoan-proposed | s390x
$ git tag --contains cd479eccd2
Ubuntu-5.2.0-8.9
v5.2
$ git show cd479eccd2
commit cd479eccd2e057116d504852814402a1e68ead80
Author: Martin Schwidefsky <email address hidden>
Date: Mon Mar 4 12:33:28 2019 +0100
s390: limit brk randomization to 32MB
For a 64-bit process the randomization of the program break is quite
large with 1GB. That is as big as the randomization of the anonymous
mapping base, for a test case started with '/lib/ld64.so.1 <exec>'
it can happen that the heap is placed after the stack. To avoid
this limit the program break randomization to 32MB for 64-bit and
keep 8MB for 31-bit.
Reported-by: Stefan Liebler <email address hidden>
Signed-off-by: Martin Schwidefsky <email address hidden>
$ rmadison --arch=s390x linux-generic | grep eoan-proposed 16d504852814402 a1e68ead80
linux-generic | 5.2.0.8.9 | eoan-proposed | s390x
$ git tag --contains cd479eccd2
Ubuntu-5.2.0-8.9
v5.2
$ git show cd479eccd2
commit cd479eccd2e0571
Author: Martin Schwidefsky <email address hidden>
Date: Mon Mar 4 12:33:28 2019 +0100
s390: limit brk randomization to 32MB
For a 64-bit process the randomization of the program break is quite
large with 1GB. That is as big as the randomization of the anonymous
mapping base, for a test case started with '/lib/ld64.so.1 <exec>'
it can happen that the heap is placed after the stack. To avoid
this limit the program break randomization to 32MB for 64-bit and
keep 8MB for 31-bit.
Reported-by: Stefan Liebler <email address hidden>
Signed-off-by: Martin Schwidefsky <email address hidden>
With that changing status to Fix Committed.