------------[ cut here ]------------
Looking for class "&ei->i_data_sem" with key init_once.__key.781, but found a different class "&ei->i_data_sem" with the same key
WARNING: CPU: 0 PID: 5036 at kernel/locking/lockdep.c:933 look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:930
Modules linked in:
CPU: 0 PID: 5036 Comm: syz.4.214 Not tainted 6.1.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:930
lr : look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:930
sp : ffff8000216d7060
x29: ffff8000216d7060 x28: dfff800000000000 x27: ffff800008eaeef0
x26: ffff80001cc317e0 x25: ffff80001cc31000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: ffff80001cdc6661
x20: ffff0000f54848c0 x19: ffff800018774cc0 x18: ffff8000216d7280
x17: 0000000000000000 x16: ffff800012325074 x15: 0000000000000002
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000080000
x11: 0000000000002837 x10: ffff80002640b000 x9 : dca1ced5b6c19500
x8 : dca1ced5b6c19500 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000216d6958 x4 : ffff800015b630e0 x3 : ffff800008585a08
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:930
 register_lock_class+0x90/0x6a8 kernel/locking/lockdep.c:1282
 __lock_acquire+0x184/0x7680 kernel/locking/lockdep.c:4928
 lock_acquire+0x26c/0x7cc kernel/locking/lockdep.c:5662
 down_write_nested+0x64/0x94 kernel/locking/rwsem.c:1689
 ext4_double_down_write_data_sem+0x3c/0x4c
 ext4_move_extents+0x2ac/0xb28 fs/ext4/move_extent.c:615
 __ext4_ioctl fs/ext4/ioctl.c:1358 [inline]
 ext4_ioctl+0x3ee0/0x6afc fs/ext4/ioctl.c:1614
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 4057
hardirqs last  enabled at (4057): [<ffff800012323140>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (4057): [<ffff800012323140>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (4056): [<ffff8000123f3de0>] preempt_schedule_irq+0xa8/0x1b8 kernel/sched/core.c:6871
softirqs last  enabled at (4052): [<ffff8000081c1c58>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (4052): [<ffff8000081c1c58>] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599
softirqs last disabled at (3927): [<ffff800008020174>] __do_softirq+0x14/0x20 kernel/softirq.c:605
---[ end trace 0000000000000000 ]---