------------[ cut here ]------------
Looking for class "&ei->i_data_sem" with key init_once.__key.780, but found a different class "&ei->i_data_sem" with the same key
WARNING: CPU: 0 PID: 5328 at kernel/locking/lockdep.c:933 look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:930
Modules linked in:
CPU: 0 PID: 5328 Comm: syz-executor.1 Not tainted 6.1.87-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 604010c5 (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 : ffff800020857200
x29: ffff800020857200 x28: dfff800000000000 x27: ffff800008ead5c0
x26: ffff8000198867e0 x25: ffff800019886000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: ffff800019a1b621
x20: ffff0000f1c0beb8 x19: ffff8000184ff680 x18: 1ffff0000410aefc
x17: 0000000000000000 x16: ffff80001215c9dc x15: 0000000000000002
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000040000
x11: 00000000000026f7 x10: ffff80001eed9000 x9 : 471d65da83188f00
x8 : 471d65da83188f00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800020856af8 x4 : ffff800015932b00 x3 : ffff80000858856c
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:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 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: 107
hardirqs last  enabled at (107): [<ffff80000840c7c4>] seqcount_lockdep_reader_access include/linux/seqlock.h:104 [inline]
hardirqs last  enabled at (107): [<ffff80000840c7c4>] ktime_get_coarse_real_ts64+0x114/0x244 kernel/time/timekeeping.c:2261
hardirqs last disabled at (106): [<ffff80000840c74c>] seqcount_lockdep_reader_access include/linux/seqlock.h:101 [inline]
hardirqs last disabled at (106): [<ffff80000840c74c>] ktime_get_coarse_real_ts64+0x9c/0x244 kernel/time/timekeeping.c:2261
softirqs last  enabled at (8): [<ffff800008033178>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (6): [<ffff800008033144>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---