[Kernel-packages] [Bug 1887727] Re: Permission denied opening file in a directory with a sticky bit

2020-09-02 Thread Andrea Righi
** Changed in: zfs-linux (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1887727 Title: Permission denied opening file in a directory with a sti

[Kernel-packages] [Bug 1887727] Re: Permission denied opening file in a directory with a sticky bit

2020-09-02 Thread Andrea Righi
This new behavior is enforced by /proc/sys/fs/protected_regular, a new sysctl introduced by commit 30aba6656f61ed44cba445a3c0d38b296fa9e8f5 ("namei: allow restricted O_CREAT of FIFOs and regular files"). The default behavior is to make data spoofing attacks harder, disallowing the open of files no

[Kernel-packages] [Bug 1887727] Re: Permission denied opening file in a directory with a sticky bit

2020-09-02 Thread Andrea Righi
It doesn't seem to be a specific zfs issue, I can reproduce this behavior on any filesystem apparently. It might be caused by a change in the VFS layer, I'll keep investigating. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in

[Kernel-packages] [Bug 1887727] Re: Permission denied opening file in a directory with a sticky bit

2020-09-02 Thread Andrea Righi
** Changed in: zfs-linux (Ubuntu) Assignee: (unassigned) => Andrea Righi (arighi) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to zfs-linux in Ubuntu. https://bugs.launchpad.net/bugs/1887727 Title: Permission denied opening file in