EXT4-fs (loop5): mounted filesystem 76b65be2-f6da-4727-8c75-0525a5b65a09 r/w without journal. Quota mode: none. ext4 filesystem being mounted at /12/mnt supports timestamps until 2038-01-19 (0x7fffffff) ------------[ 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: 11091 at kernel/locking/lockdep.c:936 look_up_lock_class+0x140/0x150 kernel/locking/lockdep.c:936 Modules linked in: CPU: 0 UID: 0 PID: 11091 Comm: syz.5.1618 Not tainted 6.12.0-rc1-syzkaller-00330-gfc20a3e57247 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:look_up_lock_class+0x140/0x150 kernel/locking/lockdep.c:936 Code: c7 c7 60 cf 6c 8b e8 ff b4 2e f6 90 0f 0b 90 90 90 31 db eb be c6 05 7e 52 28 05 01 90 48 c7 c7 40 d2 6c 8b e8 e1 b4 2e f6 90 <0f> 0b 90 90 e9 58 ff ff ff 0f 1f 80 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffffc90004c9f850 EFLAGS: 00010086 RAX: 0000000000000000 RBX: ffffffff96ed3648 RCX: ffffc900046bc000 RDX: 0000000000040000 RSI: ffffffff814e71b6 RDI: 0000000000000001 RBP: ffffffff9a8ea2c1 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 20676e696b6f6f4c R12: ffff88805d3f51c8 R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff9a81b820 FS: 00007f2945be76c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c408ff8 CR3: 0000000071a30000 CR4: 0000000000350ef0 Call Trace: register_lock_class+0xb1/0x1240 kernel/locking/lockdep.c:1290 __lock_acquire+0x135/0x3ce0 kernel/locking/lockdep.c:5077 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5825 down_write_nested+0x97/0x210 kernel/locking/rwsem.c:1693 ext4_double_down_write_data_sem+0x67/0x80 fs/ext4/move_extent.c:54 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+0x192/0x220 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: 0033:0x7f2944d7dff9 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:00007f2945be7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f2944f35f80 RCX: 00007f2944d7dff9 RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000005 RBP: 00007f2944df0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f2944f35f80 R15: 00007fffe9c8f8f8