2023-11-20 14:04:13

by Jörg-Volker Peetz

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Subject: ext4 bug?

Hi,
some files got there modification timestamp changed to 'Sun 6 Jan 16:04:34 CET
2109' out of a blue. One directory has modification time stamp 'Sun 6 Jan
15:40:00 CET 2109' and three files have 'Sun 6 Jan 16:01:22 CET 2109', 'Sun 6
Jan 16:04:20 CET 2109', and 'Sun 6 Jan 12:56:02 CET 2109'.
This was observed recently during a backup. A check with
find /usr -newermt 2023-11-21
found several (ca. 30) files and directories in '/usr', '/var', and in another
partition '/home'. About 14 of the files are 'index.db' in '/var/cache/man'
This is a server running kernel 6.6.1 when this happened.
I have no clue why that happened and no idea how to reproduce.
What could cause this?

Regards,
Jörg.