BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 800000002bac5067 P4D 800000002bac5067 PUD 6545f067 PMD 0 Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 7085 Comm: syz.2.163 Not tainted 6.10.0-syzkaller-11185-g2c9b3512402e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90003b8f4d8 EFLAGS: 00010282 RAX: 1ffffffff17f9c63 RBX: 0000000000000000 RCX: dffffc0000000000 RDX: ffffc900099aa000 RSI: ffffea0001aad540 RDI: ffff8880612ba1d0 RBP: ffffc90003b8f640 R08: ffffffff81cd45ba R09: 1ffffd4000355aa8 R10: dffffc0000000000 R11: 0000000000000000 R12: ffff888025c82150 R13: ffff888025c82168 R14: ffffea0001aad540 R15: 1ffff92000771eb0 FS: 00007f37fe7ff6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000000631aa000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: attr_make_nonresident+0xa49/0xe80 fs/ntfs3/attrib.c:301 attr_set_size_res fs/ntfs3/attrib.c:371 [inline] attr_set_size+0x711/0x4290 fs/ntfs3/attrib.c:432 ntfs_set_size+0x161/0x200 fs/ntfs3/inode.c:851 ntfs_extend+0x163/0x480 fs/ntfs3/file.c:335 ntfs_file_write_iter+0x3ea/0x770 fs/ntfs3/file.c:1124 do_iter_readv_writev+0x60a/0x890 vfs_writev+0x37c/0xbb0 fs/read_write.c:971 do_pwritev fs/read_write.c:1072 [inline] __do_sys_pwritev2 fs/read_write.c:1131 [inline] __se_sys_pwritev2+0x1ca/0x2d0 fs/read_write.c:1122 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: 0033:0x7f37fd975b59 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:00007f37fe7ff048 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 RAX: ffffffffffffffda RBX: 00007f37fdb05f60 RCX: 00007f37fd975b59 RDX: 000000000000000f RSI: 00000000200002c0 RDI: 0000000000000008 RBP: 00007f37fd9e4e5d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000a12 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f37fdb05f60 R15: 00007ffc6c379518 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90003b8f4d8 EFLAGS: 00010282 RAX: 1ffffffff17f9c63 RBX: 0000000000000000 RCX: dffffc0000000000 RDX: ffffc900099aa000 RSI: ffffea0001aad540 RDI: ffff8880612ba1d0 RBP: ffffc90003b8f640 R08: ffffffff81cd45ba R09: 1ffffd4000355aa8 R10: dffffc0000000000 R11: 0000000000000000 R12: ffff888025c82150 R13: ffff888025c82168 R14: ffffea0001aad540 R15: 1ffff92000771eb0 FS: 00007f37fe7ff6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000000631aa000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400