loop0: detected capacity change from 0 to 8192 ntfs3: loop0: Different NTFS' sector size (4096) 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 703ca067 P4D 703ca067 PUD 7039f067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 0 PID: 3695 Comm: syz-executor470 Not tainted 6.1.0-syzkaller-03225-g764822972d64 #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:ffffc90003daf750 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88807bd78278 RCX: 0000000000000000 RDX: ffff88807bd78288 RSI: 0000000000000000 RDI: ffffffff8a81eb00 RBP: dffffc0000000000 R08: ffff88807a438000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000002 FS: 00005555563fe300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000007cc24000 CR4: 0000000000350ef0 Call Trace: hdr_find_e.isra.0+0x350/0x590 fs/ntfs3/index.c:708 indx_find+0x25e/0x980 fs/ntfs3/index.c:1068 dir_search_u+0x236/0x3f0 fs/ntfs3/dir.c:254 ntfs_extend_init+0x1cd/0x560 fs/ntfs3/fsntfs.c:214 ntfs_fill_super+0x315e/0x37f0 fs/ntfs3/super.c:1243 get_tree_bdev+0x444/0x760 fs/super.c:1282 vfs_get_tree+0x8d/0x2f0 fs/super.c:1489 do_new_mount fs/namespace.c:3145 [inline] path_mount+0x132a/0x1e20 fs/namespace.c:3475 do_mount fs/namespace.c:3488 [inline] __do_sys_mount fs/namespace.c:3697 [inline] __se_sys_mount fs/namespace.c:3674 [inline] __x64_sys_mount+0x283/0x300 fs/namespace.c:3674 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc0e9838d0a Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffec7ae0f8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00005555563fe2c0 RCX: 00007fc0e9838d0a RDX: 0000000020020bc0 RSI: 0000000020020c00 RDI: 00007fffec7ae140 RBP: 0000000000000000 R08: 00007fffec7ae180 R09: 0000000000020b99 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000004 R13: 00007fffec7ae180 R14: 0000000000000003 R15: 00007fffec7ae140 Modules linked in: CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0018:ffffc90003daf750 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88807bd78278 RCX: 0000000000000000 RDX: ffff88807bd78288 RSI: 0000000000000000 RDI: ffffffff8a81eb00 RBP: dffffc0000000000 R08: ffff88807a438000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000002 FS: 00005555563fe300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000007cc24000 CR4: 0000000000350ef0