------------[ cut here ]------------
Looking for class "&ei->i_data_sem" with key init_once.__key.796, but found a different class "&ei->i_data_sem" with the same key
WARNING: CPU: 0 PID: 9186 at kernel/locking/lockdep.c:935 look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:932
Modules linked in:
CPU: 0 PID: 9186 Comm: syz-executor.4 Not tainted 6.9.0-rc3-syzkaller-gfec50db7033e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:932
lr : look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:932
sp : ffff80009d3a71e0
x29: ffff80009d3a71e0 x28: dfff800000000000 x27: ffff700013a74ec0
x26: ffff8000936a4580 x25: ffff8000936a4000 x24: 0000000000000000
x23: ffff700013a74e78 x22: 0000000000000000 x21: ffff8000937dd1e1
x20: ffff0000efe3b488 x19: ffff800092305ac0 x18: 0000000000000008
x17: 0000000000000000 x16: ffff80008ae6d1bc x15: 0000000000000001
x14: 1fffe000367b9a02 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000040000 x10: 000000000001f0e6 x9 : e431f5f9066b4d00
x8 : e431f5f9066b4d00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80009d3a6958 x4 : ffff80008ef65000 x3 : ffff8000805e9200
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:932
 register_lock_class+0x8c/0x6ac kernel/locking/lockdep.c:1284
 __lock_acquire+0x184/0x763c kernel/locking/lockdep.c:5014
 lock_acquire+0x248/0x73c kernel/locking/lockdep.c:5754
 down_write_nested+0x58/0xcc kernel/locking/rwsem.c:1695
 ext4_double_down_write_data_sem+0x3c/0x4c
 swap_inode_boot_loader fs/ext4/ioctl.c:432 [inline]
 __ext4_ioctl fs/ext4/ioctl.c:1437 [inline]
 ext4_ioctl+0x49e8/0x624c fs/ext4/ioctl.c:1627
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:904 [inline]
 __se_sys_ioctl fs/ioctl.c:890 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:890
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 2363
hardirqs last  enabled at (2363): [<ffff80008af5fe58>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (2363): [<ffff80008af5fe58>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (2362): [<ffff80008af5fc88>] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (2362): [<ffff80008af5fc88>] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:162
softirqs last  enabled at (2182): [<ffff8000800218e4>] softirq_handle_end kernel/softirq.c:400 [inline]
softirqs last  enabled at (2182): [<ffff8000800218e4>] __do_softirq+0xb10/0xd2c kernel/softirq.c:583
softirqs last disabled at (2159): [<ffff80008002ad34>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81
---[ end trace 0000000000000000 ]---