Hi everyone, Reading:
https://lore.kernel.org/lkml/20240206161111.454699-1-kova...@altlinux.org/T/ It seems the issue was introduced in commit 33eae65c6f49770fec7a662935d4eb4a6406d24b Author: Paulo Alcantara <p...@manguebit.com> Date: Wed Dec 13 12:25:57 2023 -0300 Subject: smb: client: fix OOB in SMB2_query_info_init() Link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=33eae65c6f49770fec7a662935d4eb4a6406d24b this was indeed landed in 5.15.0-102-generic: $ git log --grep "smb: client: fix OOB in SMB2_query_info_init()" origin/master-next commit ed30eac9715d0bd5512ee42ca8e8f340d2d9d2d5 ... $ git describe --contains ed30eac9715d0bd5512ee42ca8e8f340d2d9d2d5 Ubuntu-5.15.0-102.112~472 The link mentions it is supposedly fixed in: commit b5d623611c9cda84ebb5e5bd044587955eaf782f Author: Kees Cook <keesc...@chromium.org> Date: Fri Feb 17 16:24:40 2023 -0800 Subject: smb3: Replace smb2pdu 1-element arrays with flex-arrays Link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b5d623611c9cda84ebb5e5bd044587955eaf782f Looking at the Jammy kernel tree: $ git log --grep "smb3: Replace smb2pdu 1-element arrays with flex-arrays" origin/master-next commit b5d623611c9cda84ebb5e5bd044587955eaf782f $ git describe --contains b5d623611c9cda84ebb5e5bd044587955eaf782f Ubuntu-5.15.0-104.114~23 It seems it is already applied and tagged in 5.15.0-104-generic. This seems to be built, but not quite in -proposed yet: https://kernel.ubuntu.com/reports/kernel-stable-board/ I will write back as soon as 5.15.0-104-generic is in -proposed, with instructions on how to test it, and see if it fixes the issue. Thanks, Matthew -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2060780 Title: CIFS stopped working/is unstable with kernel update to 5.15.0-102.112 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2060780/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs