bdi-block not registered ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7246 at fs/fs-writeback.c:2160 __mark_inode_dirty.cold+0x2f/0x42 fs/fs-writeback.c:2160 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7246 Comm: syz-executor2 Not tainted 4.14.95+ #18 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xb9/0x10e lib/dump_stack.c:53 panic+0x1d9/0x3c2 kernel/panic.c:182 __warn.cold+0x2f/0x3b kernel/panic.c:546 Kernel Offset: 0x7a00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) Rebooting in 86400 seconds..