kernel: KASAN: slab-use-after-free Read in radix_tree_lookup while fuzzing Linux kernel 6.4-rc6 with syzkaller.
The SRCU code was added in upstream kernel v6.4-rc1 and removed before v6.4. This bug only existed in development kernels. Please see https://lore.kernel.org/all/ZTKVfoQZplpB8rki@casper.infradead.org and https://bugzilla.suse.com/show_bug.cgi?id=1215932 for more information.