Corrupted page table in Linux version 5.3.0-1028-aws

[AM]

Short version (full dmesg attached):

[ 0.000000] Linux version 5.3.0-1028-aws (buildd@lcy01-amd64-015) (gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)) #30~18.04.1-Ubuntu SMP Mon Jun 22 15:48:21 UTC 2020 (Ubuntu 5.3.0-1028.30~18.04.1-aws 5.3.18)
...
[ 526.413876] uncoop3246: Corrupted page table at address 7f2c7ba34b60
[ 526.416680] PGD 800000021d908067 P4D 800000021d908067 PUD 21c368067 PMD 21f4ca067 PTE 1cf554025
[ 526.420442] Bad pagetable: 001d [#1] SMP PTI
[ 526.422390] CPU: 0 PID: 3246 Comm: uncoop3246 Kdump: loaded Not tainted 5.3.0-1028-aws #30~18.04.1-Ubuntu
[ 526.426495] Hardware name: Amazon EC2 m5.large/, BIOS 1.0 10/16/2017
[ 526.429311] RIP: 0033:0x7f2c7ba34b60
[ 526.430943] Code: 19 ff ff 48 8b 10 48 8d 0d cd f3 ff ff 48 8b 52 68 48 39 ca 75 04 5d c3 66 90 5d 48 89 c7 ff e2 66 2e 0f 1f 84 00 00 00 00 00 <55> 48 89 e5 e8 b7 19 ff ff 48 8b 10 48 8d 0d 9d f3 ff ff 48 8b 52
[ 526.438845] RSP: 002b:00004f001eefea38 EFLAGS: 00010293
[ 526.441182] RAX: 0000000000000001 RBX: 00005645c3168dc0 RCX: 00007f2c76e01959
[ 526.444296] RDX: 0000000000000002 RSI: 0000000000000080 RDI: 00005645c3168dc0
[ 526.447366] RBP: 00004f001eefecb0 R08: 0000000000000000 R09: 0000420000000000
[ 526.450449] R10: 0000000000000000 R11: 0000000000000246 R12: 00004f001eeffec0
[ 526.453581] R13: 0000000100000000 R14: 0000000000000000 R15: 00004f001eefff80
[ 526.456676] FS: 00004f001eeff5c0 GS: 0000000000000000
[ 526.459003] Modules linked in: tcp_diag inet_diag dummy ipmi_devintf ipmi_msghandler msr crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 crypto_simd cryptd glue_helper ppdev serio_raw parport_pc parport sch_fq_codel iptable_filter bonding ip_tables x_tables autofs4 overlay ena

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Also attached crash dump information.

[AM (am-qumulo)]

crash dump information

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1892270

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.

[AM (am-qumulo)]

That EC2 instance is no longer available to run commands.