------------[ cut here ]------------ Looking for class "&ei->i_data_sem" with key init_once.__key.799, but found a different class "&ei->i_data_sem" with the same key WARNING: CPU: 1 PID: 5306 at kernel/locking/lockdep.c:935 look_up_lock_class+0xdc/0x160 kernel/locking/lockdep.c:932 Modules linked in: CPU: 1 PID: 5306 Comm: syz-executor943 Not tainted 6.9.0-syzkaller-09429-g61307b7be41a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:look_up_lock_class+0xdc/0x160 kernel/locking/lockdep.c:932 Code: 01 0f 85 80 00 00 00 c6 05 10 30 0e 04 01 90 49 8b 16 49 8b 76 18 48 8b 8b b8 00 00 00 48 c7 c7 20 d9 ca 8b e8 75 3b cf f5 90 <0f> 0b 90 90 eb 57 90 e8 08 52 24 f9 48 c7 c7 60 d8 ca 8b 89 de e8 RSP: 0018:ffffc9000329f3f0 EFLAGS: 00010046 RAX: 2ba721a19d4c4f00 RBX: ffffffff92cd7048 RCX: ffff888018350000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000329f500 R08: ffffffff815857d2 R09: 1ffff110172a519a R10: dffffc0000000000 R11: ffffed10172a519b R12: ffff88807a36b488 R13: ffff88807a36b488 R14: ffff88807a36b488 R15: ffffffff948ca1e1 FS: 000055556068d380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdda596a100 CR3: 000000002e112000 CR4: 0000000000350ef0 Call Trace: register_lock_class+0x102/0x980 kernel/locking/lockdep.c:1284 __lock_acquire+0xda/0x1fd0 kernel/locking/lockdep.c:5014 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 down_write_nested+0x3d/0x50 kernel/locking/rwsem.c:1695 ext4_move_extents+0x39d/0xec0 fs/ext4/move_extent.c:611 __ext4_ioctl fs/ext4/ioctl.c:1370 [inline] ext4_ioctl+0x34bd/0x55a0 fs/ext4/ioctl.c:1626 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfe/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdda58f2269 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:00007fff5d321bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007fdda58f2269 RDX: 0000000020000300 RSI: 00000000c028660f RDI: 0000000000000004 RBP: 0000000000000000 R08: 00007fff5d321c00 R09: 00007fff5d321c00 R10: 00007fff5d321c00 R11: 0000000000000246 R12: 00007fff5d321bec R13: 0000000000000043 R14: 431bde82d7b634db R15: 00007fff5d321c20