This bug is awaiting verification that the linux/5.15.0-32.33 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-jammy' to 'verification-done-jammy'. If the problem still exists, change the tag 'verification-needed-jammy' to 'verification-failed-jammy'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-jammy -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1972281 Title: ext4: limit length to bitmap_maxbytes Status in linux package in Ubuntu: Incomplete Status in linux source package in Trusty: In Progress Status in linux source package in Xenial: In Progress Status in linux source package in Bionic: Fix Committed Status in linux source package in Focal: Fix Committed Status in linux source package in Impish: Fix Committed Status in linux source package in Jammy: Fix Committed Bug description: [Impact] Abusing ext4_fallocate() (as a normal user) triggers a BUG()/kernel panic. [Fix] Apply this upstream fix: commit 2da376228a2427501feb9d15815a45dbdbdd753e Author: Tadeusz Struk <[email protected]> Date: Thu Mar 31 13:05:15 2022 -0700 ext4: limit length to bitmap_maxbytes - blocksize in punch_hole [Test] The reporter has provided a working reproducer. [Where problems could occur] Upstream fix already slated for @stable inclusion. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1972281/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp

