------------[ 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: 5843 at kernel/locking/lockdep.c:933 look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:930
Modules linked in:
CPU: 0 PID: 5843 Comm: syz.0.370 Not tainted 6.1.115-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 : ffff800021bc7200
x29: ffff800021bc7200 x28: dfff800000000000 x27: ffff800008eb4428
x26: ffff80001cb727e0 x25: ffff80001cb72000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: ffff80001cd07621
x20: ffff0000ed5f5cd0 x19: ffff8000186ea940 x18: 1ffff00004378efc
x17: 0000000000000000 x16: ffff80001229a1fc x15: 0000000000000002
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000040000
x11: 0000000000002c1f x10: ffff800021d1a000 x9 : 14a4c4c8d34d3900
x8 : 14a4c4c8d34d3900 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800021bc6af8 x4 : ffff800015ab3880 x3 : ffff80000858b24c
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: 292899
hardirqs last  enabled at (292899): [<ffff800008408e94>] seqcount_lockdep_reader_access include/linux/seqlock.h:104 [inline]
hardirqs last  enabled at (292899): [<ffff800008408e94>] ktime_get_coarse_real_ts64+0x114/0x244 kernel/time/timekeeping.c:2261
hardirqs last disabled at (292898): [<ffff800008408e1c>] seqcount_lockdep_reader_access include/linux/seqlock.h:101 [inline]
hardirqs last disabled at (292898): [<ffff800008408e1c>] ktime_get_coarse_real_ts64+0x9c/0x244 kernel/time/timekeeping.c:2261
softirqs last  enabled at (292858): [<ffff800008032978>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (292856): [<ffff800008032944>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---