Public bug reported:
ltp syscalls open10 and and creat08 try to create an sgid executable
file inside a sgid directory owned by a group whose members do not
include the process user.
That used to work up to commit 0fa3ecd87848c9c93c2c828ef4c3a8ca36ce46c7
("Fix up non-directory creation in SGID directories").
This was backported to 4.17.9 and so affects the current kernel in
cosmic proposed, and breaks such ltp tests.
** Affects: linux (Ubuntu)
Importance: Medium
Assignee: Canonical Kernel Team (canonical-kernel-team)
Status: Confirmed
** Affects: linux (Ubuntu Cosmic)
Importance: Medium
Assignee: Canonical Kernel Team (canonical-kernel-team)
Status: Confirmed
** Also affects: linux (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Cosmic)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Cosmic)
Status: New => Confirmed
** Changed in: linux (Ubuntu Cosmic)
Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team)
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https://bugs.launchpad.net/bugs/1783877
Title:
ltp-syscalls: sgid inheritance for non-directories behavior changed
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Cosmic:
Confirmed
Bug description:
ltp syscalls open10 and and creat08 try to create an sgid executable
file inside a sgid directory owned by a group whose members do not
include the process user.
That used to work up to commit
0fa3ecd87848c9c93c2c828ef4c3a8ca36ce46c7 ("Fix up non-directory
creation in SGID directories").
This was backported to 4.17.9 and so affects the current kernel in
cosmic proposed, and breaks such ltp tests.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1783877/+subscriptions
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