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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1875225
Title:
/tmp sticky bit do not permit writing fifo file inside
Status in linux package in Ubuntu:
Incomplete
Bug description:
Trying to write into a fifo pipe inside /tmp (echo "hello" >
/tmp/fifo) whit normal permissions (drwxrwxrwt, sticky bit) and the
fifo with prw-rw-rw- permissions and with "other" user than user and
group owner ends in this error: bash: /tmp/fifo: Permission denied. It
occurs since upgrading to Ubuntu 20.04, in 19.04 it worked as
expected. When I remove the sticky bit (drwxrwxrwx) from tmp it works
normally. I think it is a misbehaviour, with sticky bit you cannot
rename or remove files inside that folder, but could be able to write
into them.
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