bdi-block not registered ------------[ cut here ]------------ WARNING: CPU: 1 PID: 25319 at fs/fs-writeback.c:2204 __mark_inode_dirty.cold+0x2f/0x42 fs/fs-writeback.c:2204 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 25319 Comm: syz-executor.1 Not tainted 4.14.152+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xca/0x134 lib/dump_stack.c:53 panic+0x1f1/0x3da kernel/panic.c:183 __warn.cold+0x2f/0x33 kernel/panic.c:547 report_bug+0x20a/0x248 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bf/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x18/0x40 arch/x86/entry/entry_64.S:963 RIP: 0010:__mark_inode_dirty.cold+0x2f/0x42 fs/fs-writeback.c:2204 RSP: 0018:ffff88817e90f448 EFLAGS: 00010286 RAX: 0000000000000018 RBX: ffff888192e88198 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffc90005f56000 RDI: ffffed102fd21e7b RBP: ffff8881c8a93300 R08: 0000000000000018 R09: ffffed103b764ce9 R10: ffffed103b764ce8 R11: ffff8881dbb26747 R12: ffff8881c8a93358 R13: ffff888192e88270 R14: ffff8881c8a933b0 R15: ffff8881c8a93300 mark_buffer_dirty+0x258/0x490 fs/buffer.c:1177 __block_commit_write.isra.0+0x138/0x210 fs/buffer.c:2100 block_write_end+0x42/0xf0 fs/buffer.c:2178 blkdev_write_end+0x3c/0x130 fs/block_dev.c:620 generic_perform_write+0x281/0x460 mm/filemap.c:3143 __generic_file_write_iter+0x32e/0x550 mm/filemap.c:3257 blkdev_write_iter fs/block_dev.c:1914 [inline] blkdev_write_iter+0x1fb/0x3d0 fs/block_dev.c:1891 call_write_iter include/linux/fs.h:1798 [inline] do_iter_readv_writev+0x379/0x580 fs/read_write.c:679 do_iter_write fs/read_write.c:958 [inline] do_iter_write+0x152/0x550 fs/read_write.c:939 vfs_iter_write+0x70/0xa0 fs/read_write.c:971 iter_file_splice_write+0x560/0xa50 fs/splice.c:749 do_splice_from fs/splice.c:851 [inline] direct_splice_actor+0x118/0x160 fs/splice.c:1018 splice_direct_to_actor+0x292/0x760 fs/splice.c:973 do_splice_direct+0x177/0x240 fs/splice.c:1061 do_sendfile+0x493/0xb20 fs/read_write.c:1445 SYSC_sendfile64 fs/read_write.c:1506 [inline] SyS_sendfile64+0x11f/0x140 fs/read_write.c:1492 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a219 RSP: 002b:00007fa935a8bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045a219 RDX: 0000000000000000 RSI: 000000000000000b RDI: 000000000000000a RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 R10: 0020000102000007 R11: 0000000000000246 R12: 00007fa935a8c6d4 R13: 00000000004c7f94 R14: 00000000004de3b0 R15: 00000000ffffffff Kernel Offset: 0x34200000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) Rebooting in 86400 seconds..