------------[ 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: 5288 at kernel/locking/lockdep.c:932 look_up_lock_class+0x133/0x140 kernel/locking/lockdep.c:932 Modules linked in: CPU: 0 PID: 5288 Comm: syz-executor233 Not tainted 6.9.0-rc7-syzkaller-00056-g45db3ab70092 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:look_up_lock_class+0x133/0x140 kernel/locking/lockdep.c:932 Code: c7 c7 e0 ac 0c 8b e8 6c 82 74 f6 90 0f 0b 90 90 90 31 db eb be c6 05 47 43 ad 04 01 90 48 c7 c7 00 b0 0c 8b e8 4e 82 74 f6 90 <0f> 0b 90 90 e9 62 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000367f638 EFLAGS: 00010086 RAX: 0000000000000000 RBX: ffffffff93e2d620 RCX: ffffffff81503039 RDX: ffff88802c759e00 RSI: ffffffff81503046 RDI: 0000000000000001 RBP: ffffffff94783121 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888079760c88 R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff946b9aa0 FS: 0000555565718380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 00000000774b0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: register_lock_class+0xb1/0x1230 kernel/locking/lockdep.c:1284 __lock_acquire+0x111/0x3b30 kernel/locking/lockdep.c:5014 lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 down_write_nested+0x3d/0x50 kernel/locking/rwsem.c:1695 ext4_double_down_write_data_sem fs/ext4/move_extent.c:55 [inline] ext4_double_down_write_data_sem fs/ext4/move_extent.c:51 [inline] ext4_move_extents+0x402/0x3590 fs/ext4/move_extent.c:613 __ext4_ioctl+0x3ae4/0x4570 fs/ext4/ioctl.c:1371 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:904 [inline] __se_sys_ioctl fs/ioctl.c:890 [inline] __x64_sys_ioctl+0x193/0x220 fs/ioctl.c:890 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f65bdb96229 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffe52901a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f65bdb96229 RDX: 0000000020000180 RSI: 00000000c028660f RDI: 0000000000000005 RBP: 0000000000000000 R08: 00007fffe52901e0 R09: 00007fffe52901e0 R10: 00007fffe52901e0 R11: 0000000000000246 R12: 00007fffe52901cc R13: 0000000000000041 R14: 431bde82d7b634db R15: 00007fffe5290200