Public bug reported:
This issue is 100% reproducible. It looks like this has something to do
with the Disco kernel in proposed (5.0.0-1014.14).
Test combinations:
kernel in updates + source code master branch = OK
kernel in proposed + source code master-next branch = NOT OK
kernel in proposed + source code master branch = NOT OK
The system will crash and reboot itself when testing:
"Register/unregister many kprobe events"
[33] Kprobe event with comm arguments [PASS]
[34] Kprobe event string type argument [PASS]
[35] Kprobe event symbol argument [PASS]
[36] Kprobe event argument syntax [PASS]
[37] Kprobes event arguments with types [PASS]
[38] Kprobe event auto/manual naming [PASS]
[39] Kprobe dynamic event with function tracer [PASS]
[40] Kretprobe dynamic event with arguments [PASS]
[41] Kretprobe dynamic event with maxactive [PASS]
[42] Register/unregister many kprobe events
packet_write_wait: Connection to 35.233.208.253 port 22: Broken pipe
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: linux-image-5.0.0-1014-gcp 5.0.0-1014.14
ProcVersionSignature: Ubuntu 5.0.0-1014.14-gcp 5.0.21
Uname: Linux 5.0.0-1014-gcp x86_64
ApportVersion: 2.20.10-0ubuntu27.1
Architecture: amd64
Date: Tue Aug 20 08:13:13 2019
SourcePackage: linux-signed-gcp
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug disco package-from-proposed uec-images
** Package changed: linux-signed-gcp (Ubuntu) => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1840750
Title:
[Potential Regression] System crashes when running ftrace test in
ubuntu_kernel_selftests
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