There are 2 patches against fs/cifs in that interval: git log --pretty=oneline Ubuntu-5.4.0-89.100..Ubuntu-5.4.0-90.101 -- fs/cifs/ bc3d24f536d5e79ba474f192280a18d060a4c33f cifs: fix wrong release in sess_alloc_buffer() failed path 3d5631a27ec4767ac80dbf553f9ae501b18e07e3 CIFS: Fix a potencially linear read overflow
The second patch touches fs/cifs/cifs_unicode.c which makes it a strong candidate for having caused this regression. Please try the following kernel which has that patch reverted: wget https://kernel.ubuntu.com/~rtg/lp1952094/amd64/linux-image-unsigned-5.4.0-91-generic_5.4.0-91.102~lp1952094.1_amd64.deb wget https://kernel.ubuntu.com/~rtg/lp1952094/amd64/linux-modules-5.4.0-91-generic_5.4.0-91.102~lp1952094.1_amd64.deb wget https://kernel.ubuntu.com/~rtg/lp1952094/amd64/linux-modules-extra-5.4.0-91-generic_5.4.0-91.102~lp1952094.1_amd64.deb sudo dpkg -i linux*.deb sudo reboot ** Also affects: linux (Ubuntu Focal) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Focal) Status: New => In Progress ** Changed in: linux (Ubuntu Focal) Importance: Undecided => Medium ** Changed in: linux (Ubuntu Focal) Assignee: (unassigned) => Tim Gardner (timg-tpi) ** Changed in: linux (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1952094 Title: CIFS mount error: iocharset utf8 not found To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1952094/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
