------------[ 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: 6289 at kernel/locking/lockdep.c:935 look_up_lock_class+0xec/0x158 kernel/locking/lockdep.c:932
Modules linked in:
CPU: 0 PID: 6289 Comm: syz-executor675 Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
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 : ffff800096e571e0
x29: ffff800096e571e0 x28: dfff800000000000 x27: ffff700012dcaec0
x26: ffff8000927fa760 x25: ffff8000927fa000 x24: 0000000000000000
x23: ffff700012dcae78 x22: 0000000000000000 x21: ffff80009292e7e1
x20: ffff0000dcbe1688 x19: ffff80009142ed80 x18: 1ffff00012dcae84
x17: 0000000000000000 x16: ffff80008a71b23c x15: 0000000000000001
x14: 1fffe0003682f032 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000000000 x9 : 0035b66dfa3a3c00
x8 : 0035b66dfa3a3c00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800096e56ad8 x4 : ffff80008e4210a0 x3 : ffff8000805a359c
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+0x184/0x75e8 kernel/locking/lockdep.c:5013
 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5753
 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:1428 [inline]
 ext4_ioctl+0x49b4/0x6220 fs/ext4/ioctl.c:1618
 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:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595
irq event stamp: 707
hardirqs last  enabled at (707): [<ffff8000809c61fc>] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:240
hardirqs last disabled at (706): [<ffff8000809c6094>] kasan_quarantine_put+0x38/0x1c8 mm/kasan/quarantine.c:213
softirqs last  enabled at (660): [<ffff800080021894>] softirq_handle_end kernel/softirq.c:399 [inline]
softirqs last  enabled at (660): [<ffff800080021894>] __do_softirq+0xac0/0xd54 kernel/softirq.c:582
softirqs last disabled at (655): [<ffff80008002aadc>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
---[ end trace 0000000000000000 ]---
loop0: detected capacity change from 0 to 2048