------------[ cut here ]------------
Looking for class "&ei->i_data_sem" with key init_once.__key.775, but found a different class "&ei->i_data_sem" with the same key
WARNING: CPU: 1 PID: 6234 at kernel/locking/lockdep.c:941 look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:938
Modules linked in:
CPU: 1 PID: 6234 Comm: syz-executor183 Not tainted 6.4.0-rc5-syzkaller-g177239177378 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:938
lr : look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:938
sp : ffff8000971a71e0
x29: ffff8000971a71e0 x28: dfff800000000000 x27: ffff800080edb4a4
x26: ffff80009222c6e0 x25: ffff80009222c000 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: ffff8000923bfc21
x20: ffff0000e0bbe688 x19: ffff800090e7a200 x18: 1ffff00012e34e80
x17: 0000000000000000 x16: ffff80008a43bfbc x15: 0000000000000002
x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : 568da6b79317a100
x8 : 568da6b79317a100 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000971a6ad8 x4 : ffff80008df9ee80 x3 : ffff8000805974f4
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:938
 register_lock_class+0x8c/0x6a4 kernel/locking/lockdep.c:1290
 __lock_acquire+0x184/0x7604 kernel/locking/lockdep.c:4965
 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5705
 down_write_nested+0x58/0xcc kernel/locking/rwsem.c:1689
 ext4_double_down_write_data_sem+0x3c/0x4c
 swap_inode_boot_loader fs/ext4/ioctl.c:423 [inline]
 __ext4_ioctl fs/ext4/ioctl.c:1418 [inline]
 ext4_ioctl+0x4de8/0x6910 fs/ext4/ioctl.c:1608
 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+0x138/0x244 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:191
 el0_svc+0x4c/0x160 arch/arm64/kernel/entry-common.c:647
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
irq event stamp: 1179
hardirqs last  enabled at (1179): [<ffff80008099851c>] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:240
hardirqs last disabled at (1178): [<ffff8000809983b4>] kasan_quarantine_put+0x38/0x1c8 mm/kasan/quarantine.c:213
softirqs last  enabled at (1018): [<ffff800080034380>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1016): [<ffff80008003434c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
loop0: detected capacity change from 0 to 512