ntfs3: loop5: Failed to initialize $Extend/$Reparse. BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 7cd13067 P4D 7cd13067 PUD 1e807067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 1 PID: 27509 Comm: syz-executor.5 Not tainted 6.5.0-rc7-syzkaller-00004-gf7757129e3de #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90004caf750 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88807ad81968 RCX: 0000000000000000 RDX: ffff88807ad81978 RSI: 000000000000000c RDI: ffffc90004cafb90 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000094000 R12: 0000000000000030 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f97073da6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000000187f6000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hdr_find_e.isra.0+0x3d7/0x620 fs/ntfs3/index.c:759 indx_find+0x267/0x980 fs/ntfs3/index.c:1166 indx_insert_entry+0x376/0x460 fs/ntfs3/index.c:1955 ntfs_insert_reparse+0x146/0x1c0 fs/ntfs3/fsntfs.c:2379 ntfs_create_inode+0x2fdf/0x4170 fs/ntfs3/inode.c:1578 ntfs_symlink+0x42/0x80 fs/ntfs3/namei.c:202 vfs_symlink fs/namei.c:4477 [inline] vfs_symlink+0x3e5/0x620 fs/namei.c:4461 do_symlinkat+0x28e/0x310 fs/namei.c:4503 __do_sys_symlink fs/namei.c:4524 [inline] __se_sys_symlink fs/namei.c:4522 [inline] __x64_sys_symlink+0x79/0x90 fs/namei.c:4522 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f970667cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f97073da0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 00007f970679bf80 RCX: 00007f970667cae9 RDX: 0000000000000000 RSI: 0000000020000580 RDI: 0000000020000340 RBP: 00007f97066c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f970679bf80 R15: 00007ffcd2913ac8 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90004caf750 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88807ad81968 RCX: 0000000000000000 RDX: ffff88807ad81978 RSI: 000000000000000c RDI: ffffc90004cafb90 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000094000 R12: 0000000000000030 R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f97073da6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000000187f6000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400