------------[ cut here ]------------
Looking for class "&ei->i_data_sem" with key __key.0, but found a different class "&ei->i_data_sem" with the same key
WARNING: CPU: 0 PID: 17995 at kernel/locking/lockdep.c:932 look_up_lock_class+0x16c/0x178 kernel/locking/lockdep.c:932
Modules linked in:
CPU: 0 PID: 17995 Comm: syz-executor.1 Not tainted 6.8.0-rc6-syzkaller-00120-g87adedeba51a #0
Hardware name: linux,dummy-virt (DT)
pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : look_up_lock_class+0x16c/0x178 kernel/locking/lockdep.c:932
lr : look_up_lock_class+0x16c/0x178 kernel/locking/lockdep.c:932
sp : ffff80008a837590
x29: ffff80008a837590 x28: ffff00001031d940 x27: 0000000000000001
x26: ffff8000891a1000 x25: 1ffff00011506ed2 x24: ffff8000891a1140
x23: 0000000000000000 x22: 0000000000000000 x21: ffff00002713f088
x20: ffff80008926d161 x19: ffff80008895da40 x18: ffff00001031e398
x17: 20646e756f662074 x16: 7562202c302e7965 x15: 6b5f5f2079656b20
x14: 6874697720226d65 x13: 205d353939373154 x12: ffff60000d5117bb
x11: 1fffe0000d5117ba x10: ffff60000d5117ba x9 : dfff800000000000
x8 : 00009ffff2aee846 x7 : ffff00006a88bdd3 x6 : 0000000000000001
x5 : ffff00006a88bdd0 x4 : 1fffe00002063b29 x3 : dfff800000000000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00001031d940
Call trace:
 look_up_lock_class+0x16c/0x178 kernel/locking/lockdep.c:932
 register_lock_class+0xc4/0xe24 kernel/locking/lockdep.c:1284
 __lock_acquire+0x104/0x6b74 kernel/locking/lockdep.c:5014
 lock_acquire kernel/locking/lockdep.c:5754 [inline]
 lock_acquire+0x480/0x7c8 kernel/locking/lockdep.c:5719
 down_write_nested+0xb4/0x1a8 kernel/locking/rwsem.c:1695
 ext4_double_down_write_data_sem+0x58/0x68 fs/ext4/move_extent.c:58
 swap_inode_boot_loader fs/ext4/ioctl.c:432 [inline]
 __ext4_ioctl+0x16a0/0x3ecc fs/ext4/ioctl.c:1437
 ext4_ioctl+0x10/0x1c 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+0x124/0x190 fs/ioctl.c:857
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x6c/0x258 arch/arm64/kernel/syscall.c:51
 el0_svc_common.constprop.0+0xac/0x230 arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x40/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x58/0x140 arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 259
hardirqs last  enabled at (259): [<ffff80008089d24c>] kasan_quarantine_put+0x1c8/0x228 mm/kasan/quarantine.c:234
hardirqs last disabled at (258): [<ffff80008089d144>] kasan_quarantine_put+0xc0/0x228 mm/kasan/quarantine.c:207
softirqs last  enabled at (236): [<ffff80008001d664>] fpsimd_restore_current_state+0x44/0xe4 arch/arm64/kernel/fpsimd.c:1766
softirqs last disabled at (234): [<ffff80008001d634>] alternative_has_cap_likely arch/arm64/include/asm/alternative-macros.h:232 [inline]
softirqs last disabled at (234): [<ffff80008001d634>] system_supports_fpsimd arch/arm64/include/asm/cpufeature.h:732 [inline]
softirqs last disabled at (234): [<ffff80008001d634>] fpsimd_restore_current_state+0x14/0xe4 arch/arm64/kernel/fpsimd.c:1759
---[ end trace 0000000000000000 ]---