netlink: 72 bytes leftover after parsing attributes in process `syz.1.3573'. ------------[ cut here ]------------ Looking for class "&ei->i_data_sem" with key init_once.__key.800, but found a different class "&ei->i_data_sem" with the same key WARNING: CPU: 1 PID: 20546 at kernel/locking/lockdep.c:939 look_up_lock_class+0xdc/0x170 kernel/locking/lockdep.c:936 Modules linked in: CPU: 1 UID: 0 PID: 20546 Comm: syz.1.3573 Not tainted 6.12.0-syzkaller-00239-gc6d64479d609 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 RIP: 0010:look_up_lock_class+0xdc/0x170 kernel/locking/lockdep.c:936 Code: 01 0f 85 8a 00 00 00 c6 05 df c8 3e 04 01 90 49 8b 16 49 8b 76 18 48 8b 8b b8 00 00 00 48 c7 c7 00 ed 0a 8c e8 a5 93 8d f5 90 <0f> 0b 90 90 eb 61 90 e8 f8 41 f2 f8 e8 93 d2 ac f5 48 c7 c7 40 ec RSP: 0018:ffffc900039c7390 EFLAGS: 00010046 RAX: b8ad1415f0e45000 RBX: ffffffff93d04dd8 RCX: 0000000000040000 RDX: ffffc9001c755000 RSI: 0000000000008a4d RDI: 0000000000008a4e RBP: ffffc900039c74a0 R08: ffffffff8155e312 R09: 1ffff110170e519a R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff88805aa7ef80 R13: ffff88805aa7ef80 R14: ffff88805aa7ef80 R15: ffffffff9a514401 FS: 00007f501faa06c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33cf6ff8 CR3: 000000007eaf8000 CR4: 0000000000350ef0 Call Trace: register_lock_class+0x102/0x980 kernel/locking/lockdep.c:1290 __lock_acquire+0xf0/0x2050 kernel/locking/lockdep.c:5077 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 down_write_nested+0xa2/0x220 kernel/locking/rwsem.c:1693 ext4_move_extents+0x34a/0xcb0 fs/ext4/move_extent.c:621 __ext4_ioctl fs/ext4/ioctl.c:1365 [inline] ext4_ioctl+0x3735/0x58d0 fs/ext4/ioctl.c:1619 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf7/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f501ed7e759 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f501faa0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f501ef36130 RCX: 00007f501ed7e759 RDX: 0000000020000000 RSI: 00000000c028660f RDI: 0000000000000008 RBP: 00007f501edf175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f501ef36130 R15: 00007ffec15a29a8