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Bug 903201 - sys-kernel/gentoo-sources-6.2.8: BUG: kernel NULL pointer dereference, in f2fs
Summary: sys-kernel/gentoo-sources-6.2.8: BUG: kernel NULL pointer dereference, in f2fs
Status: RESOLVED NEEDINFO
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: Current packages (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Kernel Bug Wranglers and Kernel Maintainers
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2023-03-27 16:07 UTC by NHO
Modified: 2023-05-11 12:17 UTC (History)
0 users

See Also:
Package list:
Runtime testing required: ---

Attachments
Dmesg with stack trace of BUG (npdr.6.2.8.txt,84.07 KB, text/plain)
2023-03-27 16:08 UTC, NHO 		Details
emerge --info (emerge.info,7.84 KB, text/plain)
2023-03-27 16:08 UTC, NHO 		Details
Kernel Configuration (config.gz,38.89 KB, application/gzip)
2023-03-27 16:09 UTC, NHO 		Details
Same, on vanilla kernel with randseed disabled. (npdr.6.2.8-vanilla.txt,87.18 KB, text/plain)
2023-03-27 16:41 UTC, NHO 		Details
View All Add an attachment (proposed patch, testcase, etc.)

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Description NHO 2023-03-27 16:07:27 UTC 
Trying to use Vivaldi and Kate at the same time, I experienced surprise system freeze. After switching to root in virtual console, I saw the BUG in dmesg.

Can reproduce crash 100%

Reproducible: Always

Steps to Reproduce:
1. Open Kate
2. Open Vivaldi www-client/vivaldi-5.7.2921.65 with many tabs open

Actual Results:  
System becomes unresponsible
Comment 1 NHO 2023-03-27 16:08:18 UTC 
Created attachment 859107 [details]
Dmesg with stack trace of BUG
Comment 2 NHO 2023-03-27 16:08:55 UTC 
Created attachment 859109 [details]
emerge --info
Comment 3 NHO 2023-03-27 16:09:45 UTC 
Created attachment 859111 [details]
Kernel Configuration
Comment 4 NHO 2023-03-27 16:41:35 UTC 
Created attachment 859113 [details]
Same, on vanilla kernel with randseed disabled.
Comment 5 NHO 2023-03-27 16:43:56 UTC 
Problem is reproductible for me on vanilla kernel with randstruct disabled, if it needs to be sent upstream.
Comment 6 NHO 2023-03-28 16:11:54 UTC 
At this moment, I switched from f2fs and unable to reproduce the problem.
Comment 7 Mike Pagano gentoo-dev 2023-04-02 19:57:06 UTC 
(In reply to jy6x2b32pie9 from comment #6)
> At this moment, I switched from f2fs and unable to reproduce the problem.

Ok, are you planning on switching back or are you done with f2fs ?