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kernel BUG at fs/ntfs/file.c:493!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5334 Comm: syz.0.185 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:__ntfs_grab_cache_pages fs/ntfs/file.c:493 [inline]
RIP: 0010:ntfs_perform_write+0x732d/0x74c0 fs/ntfs/file.c:1833
Code: 09 6e d0 fe 0f 0b e8 02 6e d0 fe 48 8b 7c 24 30 48 c7 c6 c0 09 bf 8a e8 41 8c 0b ff 0f 0b e8 ea 6d d0 fe 0f 0b e8 e3 6d d0 fe <0f> 0b e8 dc 6d d0 fe 0f 0b e8 d5 6d d0 fe 0f 0b 89 d9 80 e1 07 38
RSP: 0018:ffffc90004ec77c0 EFLAGS: 00010293
RAX: ffffffff82b206ad RBX: ffffc90004ec7db0 RCX: ffff8880282c8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004ec7c18 R08: ffff8880282c8000 R09: 0000000000000002
R10: 0000000000000006 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f669dc236c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7c427c7000 CR3: 0000000056aa8000 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
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x4b1/0xa30 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+0x197/0x220 fs/read_write.c:706
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f669cd9c819
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:00007f669dc23028 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f669d015fa0 RCX: 00007f669cd9c819
RDX: 0000000000000011 RSI: 0000200000000080 RDI: 0000000000000004
RBP: 00007f669dc23090 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000007ff R11: 0000000000000246 R12: 0000000000000001
R13: 00007f669d016038 R14: 00007f669d015fa0 R15: 00007ffe46ab2878
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__ntfs_grab_cache_pages fs/ntfs/file.c:493 [inline]
RIP: 0010:ntfs_perform_write+0x732d/0x74c0 fs/ntfs/file.c:1833
Code: 09 6e d0 fe 0f 0b e8 02 6e d0 fe 48 8b 7c 24 30 48 c7 c6 c0 09 bf 8a e8 41 8c 0b ff 0f 0b e8 ea 6d d0 fe 0f 0b e8 e3 6d d0 fe <0f> 0b e8 dc 6d d0 fe 0f 0b e8 d5 6d d0 fe 0f 0b 89 d9 80 e1 07 38
RSP: 0018:ffffc90004ec77c0 EFLAGS: 00010293
RAX: ffffffff82b206ad RBX: ffffc90004ec7db0 RCX: ffff8880282c8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004ec7c18 R08: ffff8880282c8000 R09: 0000000000000002
R10: 0000000000000006 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f669dc236c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8e4308d000 CR3: 0000000056aa8000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400