Hi
Quotes from IRC for documentation purposes
[19:47:41] -*- elbrus is looking into bug #965219
[19:47:44] [zwiebelbot] Debian#965219: dbconfig-common: Write file error
(wrong owner) - https://bugs.debian.org/965219
[19:48:18] does anybody know why root can't "exec > $file"
anymore in sid/bullseye?
[19:48:52] (if file is owned by a different user and having
strict permissions)
[19:49:03] it works in buster
[19:51:10] elbrus: /proc/sys/fs/protected_regular. For
directories like /tmp
[19:52:06] 2 on my system
[19:52:34] 0 on the buster system I'm testing on
[19:53:04] ansgar: can you point me at (or in the direction of)
some documentation about it?
[19:53:32] elbrus: linux-doc,
Documentation/admin-guide/sysctl/fs.rst.gz
[19:53:41] awesome, thanks
[19:53:48] and I assume the default changed?
[19:54:05] elbrus: It's clearly an unsafe operation as user
www-data could replace the file with a symlink to something else.
[19:54:14] And then root would overwrite an unrelated file.
[19:54:26] elbrus: Yes. It's a new feature.
[19:54:43] that explains, I'll need to find a work around
Paul
PS: man proc.5 also has the info
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