ntfs: (device loop3): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel.
ntfs: (device loop3): parse_options(): Unrecognized mount option .
WARNING: CPU: 0 PID: 7235 at mm/slab_common.c:1031 kmalloc_slab+0x56/0x70 mm/slab_common.c:1031
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 7235 Comm: syz-executor4 Not tainted 4.19.0-rc2-next-20180903+ #54
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+0x1c9/0x2b4 lib/dump_stack.c:113
 panic+0x238/0x4e7 kernel/panic.c:184
 __warn.cold.8+0x163/0x1ba kernel/panic.c:536
 report_bug+0x252/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:996
RIP: 0010:kmalloc_slab+0x56/0x70 mm/slab_common.c:1031
IPVS: ftp: loaded support on port[0] = 21
Code: c5 40 db f2 87 5d c3 b8 10 00 00 00 48 85 ff 74 f4 83 ef 01 c1 ef 03 0f b6 87 60 da f2 87 eb d8 31 c0 81 e6 00 02 00 00 75 db <0f> 0b 5d c3 48 8b 04 c5 80 da f2 87 5d c3 66 90 66 2e 0f 1f 84 00
RSP: 0018:ffff8801b4757a38 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000300000000 RCX: ffffc90002e8c000
RDX: 00000000000091c2 RSI: 0000000000000000 RDI: 0000000300000000
RBP: ffff8801b4757a38 R08: ffff8801b990a240 R09: 0000000000000006
R10: ffff8801b990a240 R11: 0000000000000000 R12: fffffffffffffff4
R13: ffff880193450800 R14: ffff880193450800 R15: 0000000000608040
 __do_kmalloc mm/slab.c:3713 [inline]
 __kmalloc+0x25/0x720 mm/slab.c:3727
 kmalloc include/linux/slab.h:518 [inline]
 kzalloc include/linux/slab.h:707 [inline]
 __v9fs_get_acl+0xc5/0x170 fs/9p/acl.c:36
 v9fs_get_acl+0xe5/0x2a0 fs/9p/acl.c:70
 v9fs_mount+0x64b/0x900 fs/9p/vfs_super.c:191
 legacy_get_tree+0x131/0x460 fs/fs_context.c:732
 vfs_get_tree+0x1cb/0x5c0 fs/super.c:1746
 do_new_mount fs/namespace.c:2627 [inline]
 do_mount+0x6f9/0x1e30 fs/namespace.c:2951
 ksys_mount+0x12d/0x140 fs/namespace.c:3167
 __do_sys_mount fs/namespace.c:3181 [inline]
 __se_sys_mount fs/namespace.c:3178 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3178
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457099
Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fee3f6f2c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fee3f6f36d4 RCX: 0000000000457099
RDX: 0000000020000900 RSI: 0000000020000000 RDI: 0000000000000000
RBP: 00000000009300a0 R08: 0000000020000300 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004d2ec8 R14: 00000000004c7f7e R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..