loop0: detected capacity change from 0 to 4096 ntfs3: loop0: Different NTFS' sector size (2048) and media sector size (512) BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 2101e067 P4D 2101e067 PUD 759af067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 0 PID: 21975 Comm: syz-executor.0 Not tainted 6.2.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc9000a3e75d8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 RDX: ffff88807589b180 RSI: 000000000000000c RDI: ffffc9000a3e7af0 RBP: ffffc9000a3e7810 R08: 0000000000000000 R09: ffffc9000a3e7a00 R10: ffffc9000a3e7a00 R11: ffffc9000a3e7a10 R12: 0000000000000000 R13: 0000000000000030 R14: dffffc0000000000 R15: ffff88807589b170 FS: 00007fe9482cd700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000002958e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hdr_find_e+0x2f2/0x580 fs/ntfs3/index.c:754 indx_find+0x30d/0xb20 fs/ntfs3/index.c:1141 indx_insert_entry+0x49a/0x6b0 fs/ntfs3/index.c:1914 ntfs_insert_reparse+0x1cb/0x380 fs/ntfs3/fsntfs.c:2372 ntfs_create_inode+0x1bc3/0x3560 fs/ntfs3/inode.c:1568 ntfs_symlink+0x42/0x60 fs/ntfs3/namei.c:192 vfs_symlink+0x246/0x3d0 fs/namei.c:4401 do_symlinkat+0x1e5/0x5f0 fs/namei.c:4430 __do_sys_symlink fs/namei.c:4452 [inline] __se_sys_symlink fs/namei.c:4450 [inline] __x64_sys_symlink+0x7a/0x90 fs/namei.c:4450 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe94748c0a9 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:00007fe9482cd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 00007fe9475abf80 RCX: 00007fe94748c0a9 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000020000000 RBP: 00007fe9474e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc84e6ad8f R14: 00007fe9482cd300 R15: 0000000000022000 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc9000a3e75d8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000 RDX: ffff88807589b180 RSI: 000000000000000c RDI: ffffc9000a3e7af0 RBP: ffffc9000a3e7810 R08: 0000000000000000 R09: ffffc9000a3e7a00 R10: ffffc9000a3e7a00 R11: ffffc9000a3e7a10 R12: 0000000000000000 R13: 0000000000000030 R14: dffffc0000000000 R15: ffff88807589b170 FS: 00007fe9482cd700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000002958e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400