loop5: detected capacity change from 0 to 4096 ntfs3: loop5: Different NTFS' sector size (4096) and media sector size (512) general protection fault, probably for non-canonical address 0xfbd5a5d5a0000000: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xdead4ead00000000-0xdead4ead00000007] CPU: 0 PID: 658 Comm: syz-executor.5 Not tainted 6.3.0-rc5-syzkaller-00153-gaa318c48808c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 RIP: 0010:run_lookup fs/ntfs3/run.c:49 [inline] RIP: 0010:run_add_entry+0xb4/0xe70 fs/ntfs3/run.c:331 Code: 03 48 89 4c 24 10 42 80 3c 21 00 74 08 48 89 ef e8 e1 23 12 ff 4c 8b 7d 00 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 95 0b 00 00 41 8b 1f 89 df 44 89 ee e8 b3 RSP: 0018:ffffc90018bd7410 EFLAGS: 00010a06 RAX: 1bd5a9d5a0000000 RBX: ffff888081c72da0 RCX: dffffc0000000000 RDX: ffffc9000bdfa000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: ffff888081c72d98 R08: ffffffff82cdf6e7 R09: ffffffff82ce3cda R10: 0000000000000002 R11: ffff888045f1ba80 R12: dffffc0000000000 R13: 0000000000000000 R14: 00000000ffffffff R15: dead4ead00000000 FS: 00007f3255c3a700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbb6863b718 CR3: 00000000305b1000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: run_unpack+0x878/0xd90 fs/ntfs3/run.c:1021 run_unpack_ex+0x15b/0x810 fs/ntfs3/run.c:1060 ntfs_read_mft fs/ntfs3/inode.c:386 [inline] ntfs_iget5+0x11f5/0x39a0 fs/ntfs3/inode.c:518 ntfs_loadlog_and_replay+0x223/0x530 fs/ntfs3/fsntfs.c:306 ntfs_fill_super+0x2707/0x47f0 fs/ntfs3/super.c:1053 get_tree_bdev+0x402/0x620 fs/super.c:1303 vfs_get_tree+0x8c/0x270 fs/super.c:1510 do_new_mount+0x28f/0xae0 fs/namespace.c:3042 do_mount fs/namespace.c:3385 [inline] __do_sys_mount fs/namespace.c:3594 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3571 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: 0033:0x7f3254e8d69a Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3255c39f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000001f20f RCX: 00007f3254e8d69a RDX: 0000000020000140 RSI: 0000000020000080 RDI: 00007f3255c39fe0 RBP: 00007f3255c3a020 R08: 00007f3255c3a020 R09: 0000000000004058 R10: 0000000000004058 R11: 0000000000000202 R12: 0000000020000140 R13: 0000000020000080 R14: 00007f3255c39fe0 R15: 0000000020000040 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:run_lookup fs/ntfs3/run.c:49 [inline] RIP: 0010:run_add_entry+0xb4/0xe70 fs/ntfs3/run.c:331 Code: 03 48 89 4c 24 10 42 80 3c 21 00 74 08 48 89 ef e8 e1 23 12 ff 4c 8b 7d 00 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <0f> b6 04 08 84 c0 0f 85 95 0b 00 00 41 8b 1f 89 df 44 89 ee e8 b3 RSP: 0018:ffffc90018bd7410 EFLAGS: 00010a06 RAX: 1bd5a9d5a0000000 RBX: ffff888081c72da0 RCX: dffffc0000000000 RDX: ffffc9000bdfa000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: ffff888081c72d98 R08: ffffffff82cdf6e7 R09: ffffffff82ce3cda R10: 0000000000000002 R11: ffff888045f1ba80 R12: dffffc0000000000 R13: 0000000000000000 R14: 00000000ffffffff R15: dead4ead00000000 FS: 00007f3255c3a700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555556c9848 CR3: 00000000305b1000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 03 48 89 add -0x77(%rax),%ecx 3: 4c 24 10 rex.WR and $0x10,%al 6: 42 80 3c 21 00 cmpb $0x0,(%rcx,%r12,1) b: 74 08 je 0x15 d: 48 89 ef mov %rbp,%rdi 10: e8 e1 23 12 ff callq 0xff1223f6 15: 4c 8b 7d 00 mov 0x0(%rbp),%r15 19: 4c 89 f8 mov %r15,%rax 1c: 48 c1 e8 03 shr $0x3,%rax 20: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 27: fc ff df * 2a: 0f b6 04 08 movzbl (%rax,%rcx,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 0f 85 95 0b 00 00 jne 0xbcb 36: 41 8b 1f mov (%r15),%ebx 39: 89 df mov %ebx,%edi 3b: 44 89 ee mov %r13d,%esi 3e: e8 .byte 0xe8 3f: b3 .byte 0xb3