Dear list, The current 5.13 stable kernel branch oopses when handling ext2 filesystems, and the filesystem is not usable, sometimes leading to a panic. The bug was introduced during the 5.13 development cycle. A complete analysis can be found here: https://lore.kernel.org/linux-ext4/20210713165821.8a268e2c1db4fd5cf452acd2@xxxxxxx/T/ A fix for this bug has been recently merged into the mainline kernel, with commit id 728d392f8a799f037812d0f2b254fb3b5e115fcf. The 5.13 branch is the only one affected by this bug. Best regards, Javier