loop0: detected capacity change from 0 to 4096 ntfs3(loop0): Failed to load $Extend (-22). ntfs3(loop0): Failed to initialize $Extend. ------------[ cut here ]------------ 1 WARNING: fs/ntfs3/attrib.c:1236 at attr_data_get_block_locked+0x1980/0x25d0 fs/ntfs3/attrib.c:1236, CPU#0: syz.0.0/5328 Modules linked in: CPU: 0 UID: 0 PID: 5328 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:attr_data_get_block_locked+0x1980/0x25d0 fs/ntfs3/attrib.c:1236 Code: 24 44 89 f7 44 89 e6 e8 1e 3e 9c fe 45 29 e6 0f 83 d7 00 00 00 e8 50 3c 9c fe bb ea ff ff ff e9 83 fa ff ff e8 41 3c 9c fe 90 <0f> 0b 90 bb ea ff ff ff e9 70 fa ff ff 4c 89 a4 24 b8 00 00 00 48 RSP: 0018:ffffc9000f1f79c0 EFLAGS: 00010283 RAX: ffffffff832ad80f RBX: 00000000ffffffff RCX: 0000000000100000 RDX: ffffc90020001000 RSI: 000000000000064e RDI: 000000000000064f RBP: ffffc9000f1f7c18 R08: 0000000000000000 R09: 1ffff11006db5c40 R10: dffffc0000000000 R11: ffffed1006db5c41 R12: ffff8880446b4700 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000080 FS: 00007ff6a50986c0(0000) GS:ffff88808c543000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000001f6ce000 CR4: 0000000000352ef0 Call Trace: attr_data_get_block+0x1f1/0x2a0 fs/ntfs3/attrib.c:979 ntfs_fallocate+0xd34/0xf60 fs/ntfs3/file.c:670 vfs_fallocate+0x65a/0x7e0 fs/open.c:338 ksys_fallocate fs/open.c:362 [inline] __do_sys_fallocate fs/open.c:367 [inline] __se_sys_fallocate fs/open.c:365 [inline] __x64_sys_fallocate+0xbf/0x110 fs/open.c:365 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff6a419de99 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff6a5097fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007ff6a4425fa0 RCX: 00007ff6a419de99 RDX: 0000000000082000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 00007ff6a4233eaf R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff6a4426038 R14: 00007ff6a4425fa0 R15: 00007ffee685fe08