BFS-fs: bfs_fill_super(): loop7 is unclean, continuing
WARNING: CPU: 1 PID: 19362 at mm/slab_common.c:996 kmalloc_slab+0x56/0x70 mm/slab_common.c:996
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 19362 Comm: syz-executor7 Not tainted 4.17.0-rc2+ #23
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1b9/0x294 lib/dump_stack.c:113
 panic+0x22f/0x4de kernel/panic.c:184
 __warn.cold.8+0x163/0x1b3 kernel/panic.c:536
 report_bug+0x252/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x1de/0x490 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992
RIP: 0010:kmalloc_slab+0x56/0x70 mm/slab_common.c:996
RSP: 0018:ffff8801927f78d0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000007fffff RCX: ffffc9000d506000
RDX: 1ffff10031c78144 RSI: 0000000000000000 RDI: 0000000000800000
RBP: ffff8801927f78d0 R08: ffff8801ca1a01c0 R09: ffffed003b5e4f90
R10: ffffed003b5e4f90 R11: ffff8801daf27c87 R12: ffff8801961a7004
R13: 0000000000000000 R14: ffff88018e3c0a00 R15: 00000000014080c0
 __do_kmalloc mm/slab.c:3713 [inline]
 __kmalloc+0x25/0x760 mm/slab.c:3727
 kmalloc include/linux/slab.h:517 [inline]
 kzalloc include/linux/slab.h:701 [inline]
 bfs_fill_super+0x45f/0xef0 fs/bfs/inode.c:362
 mount_bdev+0x30c/0x3e0 fs/super.c:1164
 bfs_mount+0x34/0x40 fs/bfs/inode.c:465
 mount_fs+0xae/0x328 fs/super.c:1267
 vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037
 vfs_kern_mount fs/namespace.c:1027 [inline]
 do_new_mount fs/namespace.c:2518 [inline]
 do_mount+0x564/0x3070 fs/namespace.c:2848
 ksys_mount+0x12d/0x140 fs/namespace.c:3064
 __do_sys_mount fs/namespace.c:3078 [inline]
 __se_sys_mount fs/namespace.c:3075 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075
 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4583aa
RSP: 002b:00007f44b7686ba8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 00000000004583aa
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f44b7686bf0
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000014
R13: 0000000000000001 R14: 00000000006fcc28 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..