loop0: 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 NOPTI CPU: 0 UID: 0 PID: 5334 Comm: syz.0.0 Not tainted 6.12.0-syzkaller-10553-gb86545e02e8c #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:zero_user_segments+0x28b/0x290 include/linux/highmem.h:269 Code: 07 02 e9 47 fe ff ff e8 c3 ea a3 fe 89 ea be 00 10 00 00 48 c7 c7 d0 f2 cf 8e e8 e0 7c 07 02 e9 d3 fe ff ff e8 a6 ea a3 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:ffffc9000d3ff7c0 EFLAGS: 00010283 RAX: ffffffff82f1f9da RBX: ffffea00014e68c0 RCX: 0000000000100000 RDX: ffffc9000ed52000 RSI: 00000000000008a3 RDI: 00000000000008a4 RBP: 0000000000001000 R08: ffffffff82f1f815 R09: 1ffffd400029cd18 R10: dffffc0000000000 R11: fffff9400029cd19 R12: 0000000000001328 R13: 0000000000000000 R14: 1ffffd400029cd18 R15: 0000000000001328 FS: 00007f711b86a6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002000f000 CR3: 0000000043100000 CR4: 0000000000352ef0 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 do_iter_readv_writev+0x600/0x880 vfs_writev+0x376/0xba0 fs/read_write.c:1050 do_pwritev fs/read_write.c:1146 [inline] __do_sys_pwritev2 fs/read_write.c:1204 [inline] __se_sys_pwritev2+0x196/0x2b0 fs/read_write.c:1195 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: 0033:0x7f711a980809 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:00007f711b86a058 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffda RBX: 00007f711ab45fa0 RCX: 00007f711a980809 RDX: 0000000000000001 RSI: 0000000020000100 RDI: 000000000000000a RBP: 00007f711a9f393e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000005405 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f711ab45fa0 R15: 00007ffd5936dc78 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:zero_user_segments+0x28b/0x290 include/linux/highmem.h:269 Code: 07 02 e9 47 fe ff ff e8 c3 ea a3 fe 89 ea be 00 10 00 00 48 c7 c7 d0 f2 cf 8e e8 e0 7c 07 02 e9 d3 fe ff ff e8 a6 ea a3 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:ffffc9000d3ff7c0 EFLAGS: 00010283 RAX: ffffffff82f1f9da RBX: ffffea00014e68c0 RCX: 0000000000100000 RDX: ffffc9000ed52000 RSI: 00000000000008a3 RDI: 00000000000008a4 RBP: 0000000000001000 R08: ffffffff82f1f815 R09: 1ffffd400029cd18 R10: dffffc0000000000 R11: fffff9400029cd19 R12: 0000000000001328 R13: 0000000000000000 R14: 1ffffd400029cd18 R15: 0000000000001328 FS: 00007f711b86a6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc0abf3ff8 CR3: 0000000043100000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400