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@u...
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