ntfs3: loop1: failed to convert "0033" to iso8859-6 BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 63558067 P4D 63558067 PUD 7df67067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 1 PID: 23429 Comm: syz-executor.1 Not tainted 6.3.0-rc4-syzkaller-00161-g62bad54b26db #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90014c97618 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 RDX: ffff888030bde188 RSI: 000000000000000c RDI: ffffc90014c97b30 RBP: ffffc90014c97850 R08: 0000000000000000 R09: ffffc90014c976c0 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000030 R13: dffffc0000000000 R14: ffff888030bde178 R15: 0000000000000000 FS: 00007fb9aa301700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000002a89a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hdr_find_e+0x2fa/0x570 fs/ntfs3/index.c:754 indx_find+0x317/0xb00 fs/ntfs3/index.c:1141 indx_insert_entry+0x4f2/0x740 fs/ntfs3/index.c:1914 ntfs_insert_reparse+0x1d7/0x380 fs/ntfs3/fsntfs.c:2372 ntfs_create_inode+0x1ce2/0x3830 fs/ntfs3/inode.c:1565 ntfs_symlink+0x46/0x60 fs/ntfs3/namei.c:192 vfs_symlink+0x12f/0x2a0 fs/namei.c:4398 do_symlinkat+0x201/0x610 fs/namei.c:4424 __do_sys_symlinkat fs/namei.c:4440 [inline] __se_sys_symlinkat fs/namei.c:4437 [inline] __x64_sys_symlinkat+0x99/0xb0 fs/namei.c:4437 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb9a968c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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:00007fb9aa301168 EFLAGS: 00000246 ORIG_RAX: 000000000000010a RAX: ffffffffffffffda RBX: 00007fb9a97abf80 RCX: 00007fb9a968c0f9 RDX: 0000000020000200 RSI: 0000000000000005 RDI: 00000000200001c0 RBP: 00007fb9a96e7b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffca73a9f6f R14: 00007fb9aa301300 R15: 0000000000022000 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90014c97618 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 RDX: ffff888030bde188 RSI: 000000000000000c RDI: ffffc90014c97b30 RBP: ffffc90014c97850 R08: 0000000000000000 R09: ffffc90014c976c0 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000030 R13: dffffc0000000000 R14: ffff888030bde178 R15: 0000000000000000 FS: 00007fb9aa301700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000002a89a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400