F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 0
F2FS-fs (loop0): Try to recover 1th superblock, ret: 0
F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
/dev/loop0: Can't open blockdev
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000137: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x00000000000009b8-0x00000000000009bf]
CPU: 1 UID: 0 PID: 5980 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:ntfs3_kill_sb+0x52/0x1c0 fs/ntfs3/super.c:1864
Code: 03 42 80 3c 38 00 74 05 e8 6b 1f 0f ff 49 8b 9e 38 06 00 00 4c 89 f7 e8 bc a2 21 ff 4c 8d b3 b8 09 00 00 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 3f 1f 0f ff 4d 8b 36 4d 85 f6 74
RSP: 0018:ffffc90004087b70 EFLAGS: 00010202
RAX: 0000000000000137 RBX: 0000000000000000 RCX: ffff88810a281d40
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000ffffffff
RBP: ffffc90004087c00 R08: ffff88811696a077 R09: 1ffff11022d2d40e
R10: dffffc0000000000 R11: ffffed1022d2d40f R12: dffffc0000000000
R13: ffff88811696a638 R14: 00000000000009b8 R15: dffffc0000000000
FS:  00005555632f0500(0000) GS:ffff8882a9942000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f12cce706c0 CR3: 0000000173c4e000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 deactivate_locked_super+0xbc/0x130 fs/super.c:474
 get_tree_bdev_flags+0x4b4/0x560 fs/super.c:1698
 vfs_get_tree+0x92/0x2a0 fs/super.c:1756
 fc_mount fs/namespace.c:1199 [inline]
 do_new_mount_fc fs/namespace.c:3636 [inline]
 do_new_mount+0x329/0xa50 fs/namespace.c:3712
 do_mount fs/namespace.c:4035 [inline]
 __do_sys_mount fs/namespace.c:4224 [inline]
 __se_sys_mount+0x31d/0x420 fs/namespace.c:4201
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf0/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f12ccf9acb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffeb8b65048 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f12cd215fa0 RCX: 00007f12ccf9acb9
RDX: 00002000000000c0 RSI: 0000200000000180 RDI: 0000200000000100
RBP: 00007f12cd008bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f12cd215fac R14: 00007f12cd215fa0 R15: 00007f12cd215fa0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ntfs3_kill_sb+0x52/0x1c0 fs/ntfs3/super.c:1864
Code: 03 42 80 3c 38 00 74 05 e8 6b 1f 0f ff 49 8b 9e 38 06 00 00 4c 89 f7 e8 bc a2 21 ff 4c 8d b3 b8 09 00 00 4c 89 f0 48 c1 e8 03 <42> 80 3c 38 00 74 08 4c 89 f7 e8 3f 1f 0f ff 4d 8b 36 4d 85 f6 74
RSP: 0018:ffffc90004087b70 EFLAGS: 00010202
RAX: 0000000000000137 RBX: 0000000000000000 RCX: ffff88810a281d40
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000ffffffff
RBP: ffffc90004087c00 R08: ffff88811696a077 R09: 1ffff11022d2d40e
R10: dffffc0000000000 R11: ffffed1022d2d40f R12: dffffc0000000000
R13: ffff88811696a638 R14: 00000000000009b8 R15: dffffc0000000000
FS:  00005555632f0500(0000) GS:ffff8882a9942000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f12cce706c0 CR3: 0000000173c4e000 CR4: 00000000000006f0
----------------
Code disassembly (best guess):
   0:	03 42 80             	add    -0x80(%rdx),%eax
   3:	3c 38                	cmp    $0x38,%al
   5:	00 74 05 e8          	add    %dh,-0x18(%rbp,%rax,1)
   9:	6b 1f 0f             	imul   $0xf,(%rdi),%ebx
   c:	ff 49 8b             	decl   -0x75(%rcx)
   f:	9e                   	sahf
  10:	38 06                	cmp    %al,(%rsi)
  12:	00 00                	add    %al,(%rax)
  14:	4c 89 f7             	mov    %r14,%rdi
  17:	e8 bc a2 21 ff       	call   0xff21a2d8
  1c:	4c 8d b3 b8 09 00 00 	lea    0x9b8(%rbx),%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 f7             	mov    %r14,%rdi
  34:	e8 3f 1f 0f ff       	call   0xff0f1f78
  39:	4d 8b 36             	mov    (%r14),%r14
  3c:	4d 85 f6             	test   %r14,%r14
  3f:	74                   	.byte 0x74