I am using AWS EC2 with ubuntu 22. After running sudo apt-get update and sudo apt-get upgrade I have restarted the machine using sudo reboot.
Then my server started crashing in every 2-3 hours. The only solution is to restart from console.aws.amazon.com website.
The logs say
[ 30.811643] cloud-init[293]: Cloud-init v. 23.4.4-0ubuntu0~22.04.1running 'init-local' at Fri, 08 Mar 2024 03:15:31 +0000. Up 30.76seconds. [ 31.932494]================================================================================ [ 31.940631] UBSAN: array-index-out-of-bounds in/build/linux-aws-6.5-4tw9h1/linux-aws-6.5-6.5.0/drivers/net/xen-netfront.c:1323:3[ 31.949710] index 1 is out of range for type'xen_netif_rx_sring_entry [1]'[ 31.965154]================================================================================ [ 32.126461]================================================================================ [ 32.134793] UBSAN: array-index-out-of-bounds in/build/linux-aws-6.5-4tw9h1/linux-aws-6.5-6.5.0/drivers/net/xen-netfront.c:502:7[ 32.145800] index 1 is out of range for type'xen_netif_tx_sring_entry [1]'[ 32.152066]================================================================================ [ 32.159001]================================================================================ [ 32.167055] UBSAN: array-index-out-of-bounds in/build/linux-aws-6.5-4tw9h1/linux-aws-6.5-6.5.0/drivers/net/xen-netfront.c:430:4[ 32.176208] index 1 is out of range for type'xen_netif_tx_sring_entry [1]'[ 32.184067]================================================================================ [[0;32m OK [0m] Finished [0;1;39mInitial cloud-init job(pre-networking)[0m. [[0;32m OK [0m] Reached target[0;1;39mPreparation for Network[0m. Starting [0;1;39mNetwork Configuration[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Configuration[0m. Starting [0;1;39mWait for Network to be Configured[0m... Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reachedtarget [0;1;39mHost and Network Name Lookups[0m. [[0;32m OK [0m]Finished [0;1;39mWait for Network to be Configured[0m. Starting [0;1;39mInitial cloud-ini… (metadata service crawler)[0m... [ 36.329724] cloud-init[323]: Cloud-init v.23.4.4-0ubuntu0~22.04.1 running 'init' at Fri, 08 Mar 2024 03:15:37 +0000. Up 36.30 seconds. [ 36.348170] cloud-init[323]: ci-info: ++++++++++++++++++++++++++++++++++++++Net device info+++++++++++++++++++++++++++++++++++++++ [ 36.368656]cloud-init[323]: ci-info:+--------+------+-----------------------------+---------------+--------+-------------------+ [ 36.384720] cloud-init[323]: ci-info: | Device | Up | Address | Mask | Scope | Hw-Address | [ 36.406316] cloud-init[323]: ci-info: +--------+------+-----------------------------+---------------+--------+-------------------+ [ 36.428641] cloud-init[323]: ci-info: | eth0 | True | 172.31.6.227 | 255.255.240.0 | global | 0a:4c:be:e0:20:fe | [ 36.444572] cloud-init[323]: ci-info: | eth0 | True | fe80::84c:beff:fee0:20fe/64 | . | link |0a:4c:be:e0:20:fe | [ 36.464092] cloud-init[323]: ci-info: | lo | True | 127.0.0.1 | 255.0.0.0 | host | . | [ 36.481933] cloud-init[323]: ci-info: | lo | True |::1/128 | . | host | . | [ 36.490025] cloud-init[323]: ci-info: +--------+------+-----------------------------+---------------+--------+-------------------+ [ 36.500428] cloud-init[323]: ci-info:+++++++++++++++++++++++++++++Route IPv4 info++++++++++++++++++++++++++++++ [ 36.512666] cloud-init[323]:ci-info:+-------+-------------+------------+-----------------+-----------+-------+ [ 36.528722] cloud-init[323]: ci-info: | Route | Destination | Gateway | Genmask | Interface | Flags | [ 36.544510]cloud-init[323]: ci-info:+-------+-------------+------------+-----------------+-----------+-------+ [ 36.558908] cloud-init[323]: ci-info: | 0 | 0.0.0.0 |172.31.0.1 | 0.0.0.0 | eth0 | UG | [ 36.567355] cloud-init[323]: ci-info: | 1 | 172.31.0.0 | 0.0.0.0 | 255.255.240.0 | eth0 | U | [ 36.574037] cloud-init[323]: ci-info: | 2 | 172.31.0.1 | 0.0.0.0 | 255.255.255.255 | eth0 | UH | [ 36.581876] cloud-init[323]: ci-info: | 3 | 172.31.0.2 | 0.0.0.0 | 255.255.255.255 | eth0 | UH | [ 36.590398] cloud-init[323]: ci-info: +-------+-------------+------------+-----------------+-----------+-------+ [ 36.598906] cloud-init[323]: ci-info: +++++++++++++++++++Route IPv6info+++++++++++++++++++ [ 36.607608] cloud-init[323]: ci-info:+-------+-------------+---------+-----------+-------+ [ 36.617366] cloud-init[323]: ci-info: | Route | Destination | Gateway | Interface| Flags | [ 36.625431] cloud-init[323]: ci-info:+-------+-------------+---------+-----------+-------+ [ 36.634057] cloud-init[323]: ci-info: | 1 | fe80::/64 | :: | eth0 | U | [ 36.645677] cloud-init[323]: ci-info: | 3 | local | :: | eth0 | U | [ 36.655523] cloud-init[323]:ci-info: | 4 | multicast | :: | eth0 | U | [ 36.664180] cloud-init[323]: ci-info: +-------+-------------+---------+-----------+-------+ [[0;32m OK [0m] Finished [0;1;39mInitial cloud-ini…ob (metadata servicecrawler)[0m. [[0;32m OK [0m] Reached target [0;1;39mCloud-configavailability[0m. [[0;32m OK [0m] Reached target [0;1;39mNetworkis Online[0m. [[0;32m OK [0m] Reached target [0;1;39mSystemInitialization[0m. [[0;32m OK [0m] Started [0;1;39mACPI EventsCheck[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup ofTemporary Directories[0m. [[0;32m OK [0m] Started [0;1;39mUbuntuAdvantage Timer for running repeated jobs[0m. [[0;32m OK [0m]Started [0;1;39mDownload data for …ailed at package install time[0m.[[0;32m OK [0m] Reached target [0;1;39mPath Units[0m. [[0;32m OK [0m] Listening on [0;1;39mACPID Listen Socket[0m. [[0;32m OK [0m] Listening on [0;1;39mcloud-init hotplug hook socket[0m.[[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message BusSocket[0m. [[0;32m OK [0m] Listening on [0;1;39mOpen-iSCSIiscsid Socket[0m. [[0;32m OK [0m] Listening on [0;1;39mSocketunix for snap application lxd.daemon[0m. [[0;32m OK [0m]Listening on [0;1;39mSocket unix f…p application lxd.user-daemon[0m. Starting [0;1;39mSocket activation for snappy daemon[0m... [[0;32m OK [0m] Listening on [0;1;39mUUID daemon activationsocket[0m. [[0;32m OK [0m] Reached target [0;1;39mPreparationfor Remote File Systems[0m. [[0;32m OK [0m] Reached target[0;1;39mRemote File Systems[0m. [[0;32m OK [0m] Finished[0;1;39mAvailability of block devices[0m. [[0;32m OK [0m]Listening on [0;1;39mSocket activation for snappy daemon[0m.[[0;32m OK [0m] Reached target [0;1;39mSocket Units[0m. [[0;32mOK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mACPI event daemon[0m. Starting [0;1;39mThe Apache HTTP Server[0m... Starting [0;1;39mLSB: automatic crash report generation[0m... Starting [0;1;39mchrony, an NTP client/server[0m... [[0;32m OK [0m] Started [0;1;39mRegular background programprocessing daemon[0m. [[0;32m OK [0m] Started [0;1;39mD-BusSystem Message Bus[0m. [[0;32m OK [0m] Started [0;1;39mSaveinitial kernel messages after boot[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mEC2 Instance Connect Host Key Harvesting[0m... Starting [0;1;39mRecord successful boot for GRUB[0m... [[0;32m OK [0m] Started [0;1;39mirqbalance daemon[0m. Starting [0;1;39mMySQL Community Server[0m... Starting [0;1;39mDispatcher daemon for systemd-networkd[0m... Starting [0;1;39mSystem Logging Service[0m... [[0;32m OK [0m] Started [0;1;39mService for snapa…on-ssm-agent.amazon-ssm-agent[0m. Starting [0;1;39mService for snap application lxd.activate[0m... [[0;32m OK [0m] Started [0;1;39mUserspacelistener for prompt events[0m. [[0;32m OK [0m] Reached target[0;1;39mPreparation for Logins[0m. Starting [0;1;39mSnap Daemon[0m... Starting [0;1;39mUser Login Management[0m... Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Started [0;1;39mSystem Logging Service[0m. Starting [0;1;39mHostname Service[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. Starting [0;1;39mHold until boot process finishes up[0m... Starting [0;1;39mTerminate Plymouth Boot Screen[0m... [[0;32m OK [0m] Finished [0;1;39mHold until boot process finishesup[0m. [[0;32m OK [0m] Finished [0;1;39mTerminate Plymouth BootScreen[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty onttyS0[0m. Starting [0;1;39mSet console scheme[0m... [[0;32m OK [0m] Finished [0;1;39mRecord successful boot for GRUB[0m. Starting [0;1;39mGRUB failed boot detection[0m... [[0;32m OK [0m] Started [0;1;39mLSB: automatic crash report generation[0m.[[0;32m OK [0m] Finished [0;1;39mSet console scheme[0m. [[0;32mOK [0m] Created slice [0;1;39mSlice /system/getty[0m. [[0;32m OK[0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Reachedtarget [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Started[0;1;39mHostname Service[0m. Starting [0;1;39mAuthorization Manager[0m... [[0;32m OK [0m] Finished [0;1;39mGRUB failed boot detection[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m]Started [0;1;39mUnattended Upgrades Shutdown[0m. [[0;32m OK [0m]Started [0;1;39mchrony, an NTP client/server[0m. [[0;32m OK [0m]Reached target [0;1;39mSystem Time Synchronized[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK[0m] Started [0;1;39mDaily apt upgrade and clean activities[0m.[[0;32m OK [0m] Started [0;1;39mRun certbot twice daily[0m.[[0;32m OK [0m] Started [0;1;39mDaily dpkg database backuptimer[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ataCheck for All Filesystems[0m. [[0;32m OK [0m] Started[0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m]Started [0;1;39mDaily rotation of log files[0m. [[0;32m OK [0m]Started [0;1;39mDaily man-db regeneration[0m. [[0;32m OK [0m]Started [0;1;39mMessage of the Day[0m. [[0;32m OK [0m] Started[0;1;39mClean PHP session files every 30 mins[0m. [[0;32m OK [0m] Started [0;1;39mCheck to see wheth…w version of Ubuntuavailable[0m. [[0;32m OK [0m] Reached target [0;1;39mTimerUnits[0m. Starting [0;1;39mClean php session files[0m... [[0;32m OK [0m] Started [0;1;39mAuthorization Manager[0m. [ 42.292707]================================================================================ [ 42.298815] UBSAN: array-index-out-of-bounds in/build/linux-aws-6.5-4tw9h1/linux-aws-6.5-6.5.0/drivers/net/xen-netfront.c:824:4[ 42.309057] index 136 is out of range for type'xen_netif_tx_sring_entry [1]' [ 42.318190]================================================================================ [[0;32m OK [0m] Finished [0;1;39mEC2 Instance Connect Host KeyHarvesting[0m. Starting [0;1;39mOpenBSD Secure Shell server[0m...Ubuntu 22.04.4 LTS ip-172-31-6-227 ttyS0ip-172-31-6-227 login: [ 57.597024] cloud-init[724]: Cloud-init v.23.4.4-0ubuntu0~22.04.1 running 'modules:config' at Fri, 08 Mar 2024 03:15:58 +0000. Up 57.54 seconds. [ 74.431229] cloud-init[826]:Cloud-init v. 23.4.4-0ubuntu0~22.04.1 running 'modules:final' at Fri,08 Mar 2024 03:16:15 +0000. Up 74.37 seconds. [ 74.580364]cloud-init[826]: Cloud-init v. 23.4.4-0ubuntu0~22.04.1 finished atFri, 08 Mar 2024 03:16:15 +0000. Datasource DataSourceEc2Local. Up74.57 seconds