Comment 37 for bug 1938013

Can confirm this bug on a
Micro-Star International Co., Ltd. GE63 7RD
with 4.15.0-151.

ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be restarted.
Date: Mon Aug 2 20:22:08 2021
Failure: oops
OopsText:
 BUG: Bad rss-counter state mm:00000000e1ad1a66 idx:3 val:1
 BUG: Bad page cache in process TaskCon~read #2 pfn:1f8793
 page:ffffdb5587e1e4c0 count:3 mapcount:1 mapping:ffff94a44c32bcf8 index:0xf3
 flags: 0x17ffffc004002d(locked|referenced|uptodate|lru|swapbacked)
 raw: 0017ffffc004002d ffff94a44c32bcf8 00000000000000f3 0000000300000000
 raw: ffffdb5587236fe0 ffffdb5585070820 0000000000000000 ffff94a6ae146000
 page dumped because: still mapped when deleted
 page->mem_cgroup:ffff94a6ae146000
 CPU: 4 PID: 14576 Comm: TaskCon~read #2 Tainted: G B OE 4.15.0-151-generic #157-Ubuntu
 Hardware name: Micro-Star International Co., Ltd. GE63 7RD/MS-16P3, BIOS E16P3IMS.10A 09/05/2018
 Call Trace:

Package: linux-image-4.15.0-151-generic 4.15.0-151.157
SourcePackage: linux
Tags: kernel-oops
Uname: Linux 4.15.0-151-generic x86_64