------------[ cut here ]------------
is_compressed(ni)
WARNING: fs/ntfs3/file.c:236 at ntfs_extend_initialized_size+0x1dc/0x210 fs/ntfs3/file.c:236, CPU#1: syz.2.775/9617
Modules linked in:
CPU: 1 UID: 0 PID: 9617 Comm: syz.2.775 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:ntfs_extend_initialized_size+0x1dc/0x210 fs/ntfs3/file.c:236
Code: 0d ff 4c 89 33 31 ed eb 05 e8 20 6b a3 fe 89 e8 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d e9 cb a1 8e 08 cc e8 05 6b a3 fe 90 <0f> 0b 90 e9 31 ff ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c e1 fe
RSP: 0018:ffffc90006047c30 EFLAGS: 00010283
RAX: ffffffff8322375b RBX: ffff8880569bac60 RCX: 0000000000080000
RDX: ffffc9000cec1000 RSI: 0000000000000093 RDI: 0000000000000094
RBP: 0000000000000800 R08: ffff8880569bad27 R09: 1ffff1100ad375a4
R10: dffffc0000000000 R11: ffffed100ad375a5 R12: 0000000000000012
R13: 0000000000000fee R14: 1ffff1100ad3758c R15: 0000000000000000
FS:  00007f4a60ea96c0(0000) GS:ffff888125560000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000027ce8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 ntfs_fallocate+0xf21/0x1220 fs/ntfs3/file.c:670
 vfs_fallocate+0x669/0x7e0 fs/open.c:340
 ksys_fallocate fs/open.c:364 [inline]
 __do_sys_fallocate fs/open.c:369 [inline]
 __se_sys_fallocate fs/open.c:367 [inline]
 __x64_sys_fallocate+0xc0/0x110 fs/open.c:367
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4a5ff9bf79
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:00007f4a60ea9028 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f4a60215fa0 RCX: 00007f4a5ff9bf79
RDX: 0000000000000fff RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f4a600327e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4a60216038 R14: 00007f4a60215fa0 R15: 00007ffe54441958
 </TASK>