------------[ 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: 1393 at kernel/locking/lockdep.c:932 look_up_lock_class+0x16c/0x178 kernel/locking/lockdep.c:932
Modules linked in:
CPU: 1 PID: 1393 Comm: syz.0.12588 Not tainted 6.10.0-rc5-syzkaller-00018-g55027e689933 #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 : ffff80008dc571c0
x29: ffff80008dc571c0 x28: ffff0000140f8000 x27: 0000000000000001
x26: ffff8000894f0000 x25: 1ffff00011b8ae58 x24: ffff8000894f06c0
x23: 0000000000000000 x22: 0000000000000000 x21: ffff00001833f088
x20: ffff8000895beac1 x19: ffff800088cbe740 x18: ffff0000140f8a80
x17: 20646e756f662074 x16: 7562202c302e7965 x15: 6b5f5f2079656b20
x14: 6874697720226d65 x13: 205d333933315420 x12: ffff60000d4cd403
x11: 1fffe0000d4cd402 x10: ffff60000d4cd402 x9 : dfff800000000000
x8 : ffff00006a66a013 x7 : 0000000000000001 x6 : ffff60000d4cd402
x5 : ffff00006a66a010 x4 : 1fffe0000281f001 x3 : dfff800000000000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff0000140f8000
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 fs/ext4/move_extent.c:58 [inline]
 ext4_move_extents+0x2ec/0x29ac fs/ext4/move_extent.c:611
 __ext4_ioctl+0x1388/0x3f28 fs/ext4/ioctl.c:1370
 ext4_ioctl fs/ext4/ioctl.c:1626 [inline]
 ext4_compat_ioctl+0xc4/0x768 fs/ext4/ioctl.c:1702
 __do_compat_sys_ioctl fs/ioctl.c:1007 [inline]
 __se_compat_sys_ioctl fs/ioctl.c:950 [inline]
 __arm64_compat_sys_ioctl+0x1d4/0x21c fs/ioctl.c:950
 __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_compat+0x40/0x64 arch/arm64/kernel/syscall.c:158
 el0_svc_compat+0x4c/0x17c arch/arm64/kernel/entry-common.c:852
 el0t_32_sync_handler+0x98/0x13c arch/arm64/kernel/entry-common.c:862
 el0t_32_sync+0x194/0x198 arch/arm64/kernel/entry.S:603
irq event stamp: 1543
hardirqs last  enabled at (1543): [<ffff8000808f9f34>] kasan_quarantine_put+0x1c8/0x228 mm/kasan/quarantine.c:234
hardirqs last disabled at (1542): [<ffff8000808f9e2c>] kasan_quarantine_put+0xc0/0x228 mm/kasan/quarantine.c:207
softirqs last  enabled at (1510): [<ffff80008001c7bc>] fpsimd_restore_current_state+0x44/0xe4 arch/arm64/kernel/fpsimd.c:1805
softirqs last disabled at (1508): [<ffff80008001c78c>] alternative_has_cap_likely arch/arm64/include/asm/alternative-macros.h:232 [inline]
softirqs last disabled at (1508): [<ffff80008001c78c>] system_supports_fpsimd arch/arm64/include/asm/cpufeature.h:734 [inline]
softirqs last disabled at (1508): [<ffff80008001c78c>] fpsimd_restore_current_state+0x14/0xe4 arch/arm64/kernel/fpsimd.c:1798
---[ end trace 0000000000000000 ]---