------------[ cut here ]------------
Looking for class "&ei->i_data_sem" with key __key.0, but found a different class "&ei->i_data_sem" with the same key
WARNING: CPU: 1 PID: 12321 at kernel/locking/lockdep.c:932 look_up_lock_class+0x16c/0x178 kernel/locking/lockdep.c:932
Modules linked in:
CPU: 1 PID: 12321 Comm: syz-executor.0 Tainted: G        W          6.10.0-rc1-syzkaller-00267-gcc8ed4d0a848 #0
Hardware name: linux,dummy-virt (DT)
pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : look_up_lock_class+0x16c/0x178 kernel/locking/lockdep.c:932
lr : look_up_lock_class+0x16c/0x178 kernel/locking/lockdep.c:932
sp : ffff80008d7675b0
x29: ffff80008d7675b0 x28: ffff0000136f9e00 x27: 0000000000000001
x26: ffff80008946d000 x25: 1ffff00011aeced6 x24: ffff80008946d6c0
x23: 0000000000000000 x22: 0000000000000000 x21: ffff000016f8f088
x20: ffff80008953bb01 x19: ffff800088c32398 x18: ffff0000136fa880
x17: 20646e756f662074 x16: 7562202c302e7965 x15: 6b5f5f2079656b20
x14: 6874697720226d65 x13: 205d313233323154 x12: ffff60000d4cf403
x11: 1fffe0000d4cf402 x10: ffff60000d4cf402 x9 : dfff800000000000
x8 : ffff00006a67a013 x7 : 0000000000000001 x6 : ffff60000d4cf402
x5 : ffff00006a67a010 x4 : 1fffe000026df3c1 x3 : dfff800000000000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff0000136f9e00
Call trace:
 look_up_lock_class+0x16c/0x178 kernel/locking/lockdep.c:932
 register_lock_class+0xc4/0xe24 kernel/locking/lockdep.c:1284
 __lock_acquire+0xfc/0x6440 kernel/locking/lockdep.c:5014
 lock_acquire kernel/locking/lockdep.c:5754 [inline]
 lock_acquire+0x4a8/0x7f0 kernel/locking/lockdep.c:5719
 down_write_nested+0xb4/0x1a8 kernel/locking/rwsem.c:1695
 ext4_double_down_write_data_sem+0x58/0x68 fs/ext4/move_extent.c:58
 swap_inode_boot_loader fs/ext4/ioctl.c:432 [inline]
 __ext4_ioctl+0x16ac/0x3f28 fs/ext4/ioctl.c:1436
 ext4_ioctl+0x10/0x1c fs/ext4/ioctl.c:1626
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __arm64_sys_ioctl+0x124/0x190 fs/ioctl.c:893
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x6c/0x25c arch/arm64/kernel/syscall.c:48
 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x40/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x50/0x180 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 11161
hardirqs last  enabled at (11161): [<ffff800084f28524>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (11161): [<ffff800084f28524>] _raw_spin_unlock_irqrestore+0x80/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (11160): [<ffff800084f28150>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (11160): [<ffff800084f28150>] _raw_spin_lock_irqsave+0x7c/0x80 kernel/locking/spinlock.c:162
softirqs last  enabled at (11150): [<ffff80008018eab4>] softirq_handle_end kernel/softirq.c:400 [inline]
softirqs last  enabled at (11150): [<ffff80008018eab4>] handle_softirqs+0x8a8/0xd80 kernel/softirq.c:582
softirqs last disabled at (11125): [<ffff800080010770>] __do_softirq+0x14/0x20 kernel/softirq.c:588
---[ end trace 0000000000000000 ]---