ntfs3: loop0: Failed to load $Extend (-22). ntfs3: loop0: Failed to initialize $Extend. BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 800000007dab2067 P4D 800000007dab2067 PUD 24bf2067 PMD 0 Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 5229 Comm: syz-executor114 Not tainted 6.11.0-next-20240927-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90002defaf8 EFLAGS: 00010246 RAX: 1ffffffff187aa0d RBX: ffffffff8c3d5068 RCX: 0000000000000078 RDX: 0000000000000000 RSI: ffff8880780f8470 RDI: ffff88802f475180 RBP: ffffc90002defc40 R08: ffffc90002defba0 R09: ffffc90002defbc0 R10: dffffc0000000000 R11: 0000000000000000 R12: 0000000000000078 R13: dffffc0000000000 R14: ffff88802d4c8000 R15: ffff8880780f8564 FS: 000055555c9de380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000007a886000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: generic_perform_write+0x344/0x6d0 mm/filemap.c:4168 ntfs_file_write_iter+0x69c/0x7a0 fs/ntfs3/file.c:1259 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xa6d/0xc90 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 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: 0033:0x7f04b400c7b9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc26229798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007ffc26229968 RCX: 00007f04b400c7b9 RDX: 0000000000000078 RSI: 0000000020000280 RDI: 0000000000000004 RBP: 00007f04b409f610 R08: 00007ffc26229968 R09: 00007ffc26229968 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc26229958 R14: 0000000000000001 R15: 0000000000000001 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90002defaf8 EFLAGS: 00010246 RAX: 1ffffffff187aa0d RBX: ffffffff8c3d5068 RCX: 0000000000000078 RDX: 0000000000000000 RSI: ffff8880780f8470 RDI: ffff88802f475180 RBP: ffffc90002defc40 R08: ffffc90002defba0 R09: ffffc90002defbc0 R10: dffffc0000000000 R11: 0000000000000000 R12: 0000000000000078 R13: dffffc0000000000 R14: ffff88802d4c8000 R15: ffff8880780f8564 FS: 000055555c9de380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000007a886000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400