BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 800000002704a067 P4D 800000002704a067 PUD 32b95067 PMD 0 Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 6111 Comm: syz.3.29 Not tainted 6.13.0-rc6-syzkaller-00130-g2144da25584e #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:ffffc900051a7af8 EFLAGS: 00010246 RAX: 1ffffffff1878abd RBX: ffffffff8c3c55e8 RCX: 0000000000000020 RDX: 0000000000000000 RSI: ffff888077cfe3e8 RDI: ffff88802fe5f340 RBP: ffffc900051a7c40 R08: ffffc900051a7ba0 R09: ffffc900051a7bc0 R10: dffffc0000000000 R11: 0000000000000000 R12: 0000000000000020 R13: 0000000000000020 R14: dffffc0000000000 R15: ffff8880290fda00 FS: 00007fd6d43f66c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000000681d8000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: generic_perform_write+0x346/0x990 mm/filemap.c:4046 ntfs_file_write_iter+0x69c/0x7a0 fs/ntfs3/file.c:1267 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 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: 0033:0x7fd6d6585d29 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:00007fd6d43f6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fd6d6776160 RCX: 00007fd6d6585d29 RDX: 0000000000000020 RSI: 00000000200003c0 RDI: 0000000000000004 RBP: 00007fd6d6601b08 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fd6d6776160 R15: 00007ffcf66b4338 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc900051a7af8 EFLAGS: 00010246 RAX: 1ffffffff1878abd RBX: ffffffff8c3c55e8 RCX: 0000000000000020 RDX: 0000000000000000 RSI: ffff888077cfe3e8 RDI: ffff88802fe5f340 RBP: ffffc900051a7c40 R08: ffffc900051a7ba0 R09: ffffc900051a7bc0 R10: dffffc0000000000 R11: 0000000000000000 R12: 0000000000000020 R13: 0000000000000020 R14: dffffc0000000000 R15: ffff8880290fda00 FS: 00007fd6d43f66c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000000681d8000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400