------------[ 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: 9201 at kernel/locking/lockdep.c:935 look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:932
Modules linked in:
CPU: 0 PID: 9201 Comm: syz-executor.4 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
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 : ffff8000979571e0
x29: ffff8000979571e0 x28: dfff800000000000 x27: ffff700012f2aec0
x26: ffff80009341f300 x25: ffff80009341f000 x24: 0000000000000000
x23: ffff700012f2ae78 x22: 0000000000000000 x21: ffff800093555d81
x20: ffff000197c1e688 x19: ffff80009209f310 x18: 0000000000000000
x17: 0000000000000000 x16: ffff80008ad6b09c x15: 0000000000000001
x14: 1fffe00036800002 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000040000 x10: 0000000000002081 x9 : bffcaf6dfd2d7e00
x8 : bffcaf6dfd2d7e00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800097956ad8 x4 : ffff80008ed822c0 x3 : ffff8000805ba130
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+0x23c/0x71c 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+0x49b4/0x621c fs/ext4/ioctl.c:1627
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:857
 __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: 249
hardirqs last  enabled at (249): [<ffff800080bd7cc8>] bh_lru_install fs/buffer.c:1348 [inline]
hardirqs last  enabled at (249): [<ffff800080bd7cc8>] __find_get_block+0x974/0xdc4 fs/buffer.c:1403
hardirqs last disabled at (248): [<ffff800080bd77f0>] bh_lru_install fs/buffer.c:1325 [inline]
hardirqs last disabled at (248): [<ffff800080bd77f0>] __find_get_block+0x49c/0xdc4 fs/buffer.c:1403
softirqs last  enabled at (204): [<ffff80008003165c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (202): [<ffff800080031628>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---