syzbot

RBP: 00007ffe35bafbc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000e7c R11: 0000000000000246 R12: 0000000000000001
R13: 00007f245f415fac R14: 00007f245f415fa0 R15: 00007f245f415fa0
 </TASK>
------------[ cut here ]------------
kernel BUG at fs/ntfs/file.c:493!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5918 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__ntfs_grab_cache_pages fs/ntfs/file.c:493 [inline]
RIP: 0010:ntfs_perform_write+0x787f/0x7a20 fs/ntfs/file.c:1833
Code: f7 c3 c3 fe 0f 0b e8 f0 c3 c3 fe 48 8b 7c 24 20 48 c7 c6 80 e7 fc 8a e8 8f 2d 04 ff 0f 0b e8 d8 c3 c3 fe 0f 0b e8 d1 c3 c3 fe <0f> 0b e8 ca c3 c3 fe 0f 0b e8 c3 c3 c3 fe 0f 0b 89 f9 80 e1 07 38
RSP: 0018:ffffc90002e677e0 EFLAGS: 00010293
RAX: ffffffff82c35e2f RBX: 0000000000000000 RCX: ffff88802d4b9e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002e67c20 R08: ffff88802d4b9e00 R09: 0000000000000002
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000184 R15: dffffc0000000000
FS:  000055558f6a2500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0721f4b000 CR3: 000000002f51d000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 ntfs_file_write_iter+0x109d/0x19c0 fs/ntfs/file.c:1916
 call_write_iter include/linux/fs.h:2018 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x46c/0x990 fs/read_write.c:584
 ksys_pwrite64 fs/read_write.c:699 [inline]
 __do_sys_pwrite64 fs/read_write.c:709 [inline]
 __se_sys_pwrite64 fs/read_write.c:706 [inline]
 __x64_sys_pwrite64+0x19b/0x230 fs/read_write.c:706
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f245f19cdd9
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:00007ffe35bafb58 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f245f415fa0 RCX: 00007f245f19cdd9
RDX: 000000000000fdef RSI: 0000200000000140 RDI: 0000000000000004
RBP: 00007ffe35bafbc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000e7c R11: 0000000000000246 R12: 0000000000000001
R13: 00007f245f415fac R14: 00007f245f415fa0 R15: 00007f245f415fa0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__ntfs_grab_cache_pages fs/ntfs/file.c:493 [inline]
RIP: 0010:ntfs_perform_write+0x787f/0x7a20 fs/ntfs/file.c:1833
Code: f7 c3 c3 fe 0f 0b e8 f0 c3 c3 fe 48 8b 7c 24 20 48 c7 c6 80 e7 fc 8a e8 8f 2d 04 ff 0f 0b e8 d8 c3 c3 fe 0f 0b e8 d1 c3 c3 fe <0f> 0b e8 ca c3 c3 fe 0f 0b e8 c3 c3 c3 fe 0f 0b 89 f9 80 e1 07 38
RSP: 0018:ffffc90002e677e0 EFLAGS: 00010293
RAX: ffffffff82c35e2f RBX: 0000000000000000 RCX: ffff88802d4b9e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002e67c20 R08: ffff88802d4b9e00 R09: 0000000000000002
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000184 R15: dffffc0000000000
FS:  000055558f6a2500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0721f4b000 CR3: 000000002f51d000 CR4: 00000000003506e0