INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 0 UID: 0 PID: 6435 Comm: syz.2.138 Not tainted 6.11.0-rc7-syzkaller-00149-g0babf683783d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 assign_lock_key+0x238/0x270 kernel/locking/lockdep.c:975 register_lock_class+0x1cf/0x980 kernel/locking/lockdep.c:1288 __lock_acquire+0xf0/0x2040 kernel/locking/lockdep.c:5019 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759 down_write+0x99/0x220 kernel/locking/rwsem.c:1579 ntfs_truncate fs/ntfs3/file.c:458 [inline] ntfs3_setattr+0x6d3/0xb80 fs/ntfs3/file.c:775 notify_change+0xbca/0xe90 fs/attr.c:503 do_truncate+0x220/0x310 fs/open.c:65 vfs_truncate+0x2e1/0x3b0 fs/open.c:111 do_sys_truncate+0xdb/0x190 fs/open.c:134 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: 0033:0x7fafff77def9 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:00007fb0005ec038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007fafff936058 RCX: 00007fafff77def9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007fafff7f0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fafff936058 R15: 00007fffb113a448 ------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON(sem->magic != sem): count = 0x1, magic = 0x0, owner = 0xffff88802ec59e00, curr 0xffff88802ec59e00, list not empty WARNING: CPU: 0 PID: 6435 at kernel/locking/rwsem.c:1364 __up_write kernel/locking/rwsem.c:1364 [inline] WARNING: CPU: 0 PID: 6435 at kernel/locking/rwsem.c:1364 up_write+0x412/0x590 kernel/locking/rwsem.c:1632 Modules linked in: CPU: 0 UID: 0 PID: 6435 Comm: syz.2.138 Not tainted 6.11.0-rc7-syzkaller-00149-g0babf683783d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__up_write kernel/locking/rwsem.c:1364 [inline] RIP: 0010:up_write+0x412/0x590 kernel/locking/rwsem.c:1632 Code: c7 c7 a0 c8 ea 8b 48 c7 c6 80 ca ea 8b 48 89 da 48 8b 4c 24 20 4c 8b 44 24 30 4c 8b 4c 24 28 50 e8 63 9c e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 b6 fc ff ff 90 0f 0b 90 e9 2a fd ff ff 48 89 5c 24 RSP: 0000:ffffc9000211fa00 EFLAGS: 00010296 RAX: bb0cf40b04fd1900 RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc90009719000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc9000211fad0 R08: ffffffff8155b292 R09: fffffbfff1cba0e0 R10: dffffc0000000000 R11: fffffbfff1cba0e0 R12: ffff8880628d2650 R13: ffff8880628d25f8 R14: 1ffff92000423f48 R15: dffffc0000000000 FS: 00007fb0005ec6c0(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faff4ed1000 CR3: 0000000066234000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ntfs_truncate fs/ntfs3/file.c:461 [inline] ntfs3_setattr+0x7b5/0xb80 fs/ntfs3/file.c:775 notify_change+0xbca/0xe90 fs/attr.c:503 do_truncate+0x220/0x310 fs/open.c:65 vfs_truncate+0x2e1/0x3b0 fs/open.c:111 do_sys_truncate+0xdb/0x190 fs/open.c:134 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: 0033:0x7fafff77def9 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:00007fb0005ec038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007fafff936058 RCX: 00007fafff77def9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007fafff7f0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fafff936058 R15: 00007fffb113a448