loop4: detected capacity change from 0 to 4096 ------------[ cut here ]------------ kernel BUG at include/linux/highmem.h:269! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 6039 Comm: syz.4.22 Not tainted 6.12.0-syzkaller-10313-g7d4050728c83 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:zero_user_segments+0x28b/0x290 include/linux/highmem.h:269 Code: 02 02 e9 47 fe ff ff e8 63 1a a7 fe 89 ea be 00 10 00 00 48 c7 c7 90 d8 cf 8e e8 80 14 02 02 e9 d3 fe ff ff e8 46 1a a7 fe 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 RSP: 0018:ffffc90004e579a0 EFLAGS: 00010283 RAX: ffffffff82eec5fa RBX: ffffea0001585b00 RCX: 0000000000080000 RDX: ffffc9000d705000 RSI: 000000000000080d RDI: 000000000000080e RBP: 0000000000001000 R08: ffffffff82eec435 R09: 1ffffd40002b0b60 R10: dffffc0000000000 R11: fffff940002b0b61 R12: 00000000000010b8 R13: 0000000000000000 R14: 1ffffd40002b0b60 R15: 00000000000010b8 FS: 00007f61928e26c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffc33abf80 CR3: 000000007a930000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: folio_zero_range include/linux/highmem.h:641 [inline] ntfs_extend_initialized_size+0x50b/0x950 fs/ntfs3/file.c:225 ntfs_extend+0x578/0xad0 fs/ntfs3/file.c:413 ntfs_file_write_iter+0x403/0x7a0 fs/ntfs3/file.c:1254 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:679 ksys_pwrite64 fs/read_write.c:786 [inline] __do_sys_pwrite64 fs/read_write.c:794 [inline] __se_sys_pwrite64 fs/read_write.c:791 [inline] __x64_sys_pwrite64+0x1ac/0x240 fs/read_write.c:791 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6191b80809 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:00007f61928e2058 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f6191d45fa0 RCX: 00007f6191b80809 RDX: 0000000000000001 RSI: 0000000020000140 RDI: 0000000000000004 RBP: 00007f6191bf393e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000008000c61 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f6191d45fa0 R15: 00007ffe536f94f8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:zero_user_segments+0x28b/0x290 include/linux/highmem.h:269 Code: 02 02 e9 47 fe ff ff e8 63 1a a7 fe 89 ea be 00 10 00 00 48 c7 c7 90 d8 cf 8e e8 80 14 02 02 e9 d3 fe ff ff e8 46 1a a7 fe 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 RSP: 0018:ffffc90004e579a0 EFLAGS: 00010283 RAX: ffffffff82eec5fa RBX: ffffea0001585b00 RCX: 0000000000080000 RDX: ffffc9000d705000 RSI: 000000000000080d RDI: 000000000000080e RBP: 0000000000001000 R08: ffffffff82eec435 R09: 1ffffd40002b0b60 R10: dffffc0000000000 R11: fffff940002b0b61 R12: 00000000000010b8 R13: 0000000000000000 R14: 1ffffd40002b0b60 R15: 00000000000010b8 FS: 00007f61928e26c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055559063f608 CR3: 000000007a930000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000