------------[ 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: 1 PID: 6061 at kernel/locking/lockdep.c:933 look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:930
Modules linked in:
CPU: 1 PID: 6061 Comm: syz.4.571 Not tainted 6.1.116-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 : ffff8000211d7200
x29: ffff8000211d7200 x28: dfff800000000000 x27: ffff800008eb2ea0
x26: ffff80001cb837e0 x25: ffff80001cb83000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: ffff80001cd18661
x20: ffff0000f27a70e0 x19: ffff8000186faa40 x18: ffff8000211d6fc0
x17: 0000000000000000 x16: ffff8000122986bc x15: 0000000000000002
x14: 0000000000000012 x13: 0a79656b20656d61 x12: 0000000000040000
x11: 000000000000bd37 x10: ffff800024f4c000 x9 : dd5f375129e0d400
x8 : dd5f375129e0d400 x7 : 20656d6173206568 x6 : ffff8000083426ec
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80000858aa4c
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
 swap_inode_boot_loader fs/ext4/ioctl.c:426 [inline]
 __ext4_ioctl fs/ext4/ioctl.c:1424 [inline]
 ext4_ioctl+0x4e78/0x6afc 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+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x64/0x218 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: 855
hardirqs last  enabled at (855): [<ffff800012379fdc>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (855): [<ffff800012379fdc>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (854): [<ffff800012379df8>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (854): [<ffff800012379df8>] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162
softirqs last  enabled at (794): [<ffff8000081c7c58>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (794): [<ffff8000081c7c58>] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599
softirqs last disabled at (385): [<ffff800008020174>] __do_softirq+0x14/0x20 kernel/softirq.c:605
---[ end trace 0000000000000000 ]---