------------[ cut here ]------------
kernel BUG at fs/ntfs/file.c:493!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5199 Comm: syz.1.138 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__ntfs_grab_cache_pages fs/ntfs/file.c:493 [inline]
RIP: 0010:ntfs_perform_write+0x70d5/0x7260 fs/ntfs/file.c:1833
Code: e8 20 f6 d3 fe 0f 0b e8 19 f6 d3 fe 48 8b 3c 24 48 c7 c6 80 fe 9e 8a e8 89 88 0e ff 0f 0b e8 02 f6 d3 fe 0f 0b e8 fb f5 d3 fe <0f> 0b e8 f4 f5 d3 fe 0f 0b e8 ed f5 d3 fe 0f 0b 89 d9 80 e1 07 38
RSP: 0018:ffffc90004f476c0 EFLAGS: 00010293
RAX: ffffffff82ace9d5 RBX: 0000000000000000 RCX: ffff888074a4bb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004f47af8 R08: ffff888074a4bb80 R09: 0000000000000002
R10: 0000000000000006 R11: 0000000000000000 R12: ffff888073b5e008
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f3c4ef716c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efe9c76f000 CR3: 0000000058538000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ntfs_file_write_iter+0x1102/0x1a70 fs/ntfs/file.c:1917
 do_iter_readv_writev fs/read_write.c:-1 [inline]
 do_iter_write+0x62d/0xaf0 fs/read_write.c:861
 vfs_writev fs/read_write.c:934 [inline]
 do_pwritev+0x201/0x340 fs/read_write.c:1031
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f3c4e18f749
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:00007f3c4ef71038 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007f3c4e3e5fa0 RCX: 00007f3c4e18f749
RDX: 0000000000000001 RSI: 0000200000000040 RDI: 0000000000000004
RBP: 00007f3c4ef71090 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000e7b R11: 0000000000000246 R12: 0000000000000001
R13: 00007f3c4e3e6038 R14: 00007f3c4e3e5fa0 R15: 00007fffb09d1918
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__ntfs_grab_cache_pages fs/ntfs/file.c:493 [inline]
RIP: 0010:ntfs_perform_write+0x70d5/0x7260 fs/ntfs/file.c:1833
Code: e8 20 f6 d3 fe 0f 0b e8 19 f6 d3 fe 48 8b 3c 24 48 c7 c6 80 fe 9e 8a e8 89 88 0e ff 0f 0b e8 02 f6 d3 fe 0f 0b e8 fb f5 d3 fe <0f> 0b e8 f4 f5 d3 fe 0f 0b e8 ed f5 d3 fe 0f 0b 89 d9 80 e1 07 38
RSP: 0018:ffffc90004f476c0 EFLAGS: 00010293
RAX: ffffffff82ace9d5 RBX: 0000000000000000 RCX: ffff888074a4bb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004f47af8 R08: ffff888074a4bb80 R09: 0000000000000002
R10: 0000000000000006 R11: 0000000000000000 R12: ffff888073b5e008
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f3c4ef716c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005617d61778f8 CR3: 0000000058538000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400