FAT-fs (loop4): Unrecognized mount option "€" or missing value
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5799 at kernel/locking/lockdep.c:894 look_up_lock_class+0x86/0x110 kernel/locking/lockdep.c:894
Modules linked in:
CPU: 0 PID: 5799 Comm: syz-executor.5 Not tainted 5.10.184 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:look_up_lock_class+0x86/0x110 kernel/locking/lockdep.c:894
Code: 24 e8 ce 02 00 00 4d 85 e4 74 2c 49 39 5c 24 40 75 eb 48 8b 45 18 49 39 84 24 b0 00 00 00 74 1a 48 81 7d 00 00 72 14 86 74 10 <0f> 0b eb 0c e8 c1 59 0b fe 85 c0 75 50 45 31 e4 48 83 c4 08 4c 89
RSP: 0018:ffff88800ef87808 EFLAGS: 00010006
RAX: ffffffff845331e0 RBX: ffffffff871ae4a1 RCX: 0000000000000000
RDX: 0000000000000046 RSI: 0000000000000001 RDI: ffff88804e428c50
RBP: ffff88804e428c50 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000246 R11: 0000000000000001 R12: ffffffff868a5140
R13: ffffffff86bea9e0 R14: 0000000000000001 R15: 0000000000000000
FS:  00007f2a7a57a700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f828c212958 CR3: 000000004892c000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 register_lock_class+0xbb/0x17b0 kernel/locking/lockdep.c:1244
 __lock_acquire+0x102/0x5b00 kernel/locking/lockdep.c:4833
 lock_acquire kernel/locking/lockdep.c:5565 [inline]
 lock_acquire+0x197/0x470 kernel/locking/lockdep.c:5530
 down_write_nested+0x96/0x160 kernel/locking/rwsem.c:1667
 ext4_double_down_write_data_sem+0x63/0x70 fs/ext4/move_extent.c:58
 swap_inode_boot_loader fs/ext4/ioctl.c:172 [inline]
 __ext4_ioctl+0x16e7/0x4160 fs/ext4/ioctl.c:1062
 vfs_ioctl fs/ioctl.c:48 [inline]
 __do_sys_ioctl fs/ioctl.c:753 [inline]
 __se_sys_ioctl fs/ioctl.c:739 [inline]
 __x64_sys_ioctl+0x19a/0x210 fs/ioctl.c:739
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f2a7d004b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2a7a57a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f2a7d117f60 RCX: 00007f2a7d004b19
RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000003
RBP: 00007f2a7d05ef6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcefaa1f7f R14: 00007f2a7a57a300 R15: 0000000000022000
irq event stamp: 4369
hardirqs last  enabled at (4369): [<ffffffff83e51ec8>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last  enabled at (4369): [<ffffffff83e51ec8>] _raw_spin_unlock_irqrestore+0x38/0x40 kernel/locking/spinlock.c:191
hardirqs last disabled at (4368): [<ffffffff83e51ccf>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (4368): [<ffffffff83e51ccf>] _raw_spin_lock_irqsave+0x4f/0x60 kernel/locking/spinlock.c:159
softirqs last  enabled at (3730): [<ffffffff84001002>] asm_call_irq_on_stack+0x12/0x20
softirqs last disabled at (3527): [<ffffffff84001002>] asm_call_irq_on_stack+0x12/0x20
---[ end trace f3d8e3d20c9c12a1 ]---
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue