------------[ 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: 1 PID: 13170 at kernel/locking/lockdep.c:931 look_up_lock_class+0x133/0x140 kernel/locking/lockdep.c:931 Modules linked in: CPU: 1 UID: 0 PID: 13170 Comm: syz.3.1425 Not tainted 6.11.0-syzkaller-02574-ga430d95c5efa #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:look_up_lock_class+0x133/0x140 kernel/locking/lockdep.c:931 Code: c7 c7 a0 d9 4c 8b e8 dc 23 38 f6 90 0f 0b 90 90 90 31 db eb be c6 05 09 84 f0 04 01 90 48 c7 c7 c0 dc 4c 8b e8 be 23 38 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:ffffc9000a227848 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffffffff96a24e18 RCX: ffffc90019da0000 RDX: 0000000000040000 RSI: ffffffff814e2c86 RDI: 0000000000000001 RBP: ffffffff9a491001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 20676e696b6f6f4c R12: ffff888058aba070 R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff9a3c5160 FS: 00007fc5478c66c0(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2dfedff8 CR3: 00000000325b6000 CR4: 0000000000350ef0 Call Trace: register_lock_class+0xb1/0x1230 kernel/locking/lockdep.c:1283 __lock_acquire+0x135/0x3cb0 kernel/locking/lockdep.c:5019 lock_acquire kernel/locking/lockdep.c:5759 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5724 down_write_nested+0x97/0x210 kernel/locking/rwsem.c:1695 ext4_double_down_write_data_sem+0x67/0x80 fs/ext4/move_extent.c:58 swap_inode_boot_loader fs/ext4/ioctl.c:432 [inline] __ext4_ioctl+0x2a01/0x4630 fs/ext4/ioctl.c:1436 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl fs/ioctl.c:893 [inline] __x64_sys_ioctl+0x190/0x210 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc546b7def9 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:00007fc5478c6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc546d36130 RCX: 00007fc546b7def9 RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000006 RBP: 00007fc546bf0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fc546d36130 R15: 00007ffc64de1f08