*** This bug is a duplicate of bug 1699772 ***
https://bugs.launchpad.net/bugs/1699772
THIS COMMENT ALSO ADDED TO (PARENT) BUG
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1699772
However, that bug has FixReleased (at least for 64-bit JVMs). I guess it
should be also fixed for 32-bit JVMs launched from C on 64-bit kernel.
I'm not sure, whether it would be better adding this comment just to Bug
1699772, or just to this ("duplicate") Bug 1700270, or creating just another
bug ID.
I have chosen adding it to Bug 1699772 and also here, since my code example is
based on previously-provided test.c which I downloaded from Bug 1700270.
ORIGINAL COMMENT:
Rostislav Stříbrný (rstribrn) wrote 2 hours ago:
Hi,
problem still present on linux-image-4.8.0-58-generic with these conditions:
- while executing JVM launched from >>32-bit<< C (on 64-bit kernel)
- defining "higher" JVM stack size (eg. -Xss2048k JVM argument)
=> causes JVM segmentation fault
Attached test case (sources + binary + output logs):
Bug1699772_i386_jvm_segfault_problem.tgz
test_case1.c (32-bit) => using -Xss1024k => RUNS OK.
test_case2.c (32-bit) => using -Xss2048k => Segmentation fault.
test_case1.c (64-bit) => using -Xss1024k => RUNS OK.
test_case2.c (64-bit) => using -Xss2048k => RUNS OK.
My system:
cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.2 LTS"
with linux-generic-hwe-16.04
uname -a
Linux L34001100621 4.8.0-58-generic #63~16.04.1-Ubuntu SMP Mon Jun 26 18:08:51
UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
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https://bugs.launchpad.net/bugs/1700270
Title:
Stack Clash fix breaks JVM when launched from C
Status in linux package in Ubuntu:
Confirmed
Bug description:
I have tested only with linux 4.10.0-24-generic on amd64. The attached
repro case:
- compiles a java class
- compiles a C program that initialises the JVM and calls a static method
from the java class
- launch the compiled C program.
Expected result:
the c program should execute the Java method and print some numbers in the
terminal
Actual result:
the c program segfaults while initialising the JVM
reverting to linux 4.10.0-22-generic amd64 fixes the problem. Since
the only change in the changelog is the Stack Clash fix and since I
remember reading that the JVM does tricky stuff with the stack, this
is a natural culprit.
It touches any program that initialises a JVM (so for instance Java
bindings in Postgresql or Java applets in firefox although the latter
have been deprecated and are only supported in firefox ESR now).
I attach the repro-case.
The issue happens with both openjdk-8-jdk from the repository and the
standard jdk 8 from oracle.
[note: edited after initial submission to fix some typos]
---
ApportVersion: 2.20.4-0ubuntu4.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: kim 1928 F.... pulseaudio
/dev/snd/controlC1: kim 1928 F.... pulseaudio
CurrentDesktop: Unity:Unity7
DistroRelease: Ubuntu 17.04
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=4d246142-b56c-4cc6-b9cf-dad9c592bca0
InstallationDate: Installed on 2016-10-19 (248 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
MachineType: Hewlett-Packard HP EliteBook 820 G2
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-22-generic.efi.signed
root=UUID=de40f805-aa69-464b-8c59-022276f8b381 ro
resume=UUID=4d246142-b56c-4cc6-b9cf-dad9c592bca0 i915.enable_rc6=7
i915.enable_dc=2 i915.enable_psr=1 quiet splash
ProcVersionSignature: Ubuntu 4.10.0-22.24-generic 4.10.15
RelatedPackageVersions:
linux-restricted-modules-4.10.0-22-generic N/A
linux-backports-modules-4.10.0-22-generic N/A
linux-firmware 1.164.1
Tags: zesty
Uname: Linux 4.10.0-22-generic x86_64
UnreportableReason: The report belongs to a package that is not installed.
UpgradeStatus: Upgraded to zesty on 2017-06-23 (1 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare src sudo vboxusers
_MarkForUpload: False
dmi.bios.date: 04/10/2017
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: M71 Ver. 01.19
dmi.board.name: 225A
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 96.5B
dmi.chassis.asset.tag: 5CG52931PR
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnHewlett-Packard:bvrM71Ver.01.19:bd04/10/2017:svnHewlett-Packard:pnHPEliteBook820G2:pvrA3008E510003:rvnHewlett-Packard:rn225A:rvrKBCVersion96.5B:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP EliteBook 820 G2
dmi.product.version: A3008E510003
dmi.sys.vendor: Hewlett-Packard
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