ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 0 PID: 12143 Comm: syz-executor.0 Not tainted 6.1.0-rc1-syzkaller-00249-g4da34b7d175d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:ntfs_init_from_boot fs/ntfs3/super.c:844 [inline] RIP: 0010:ntfs_fill_super+0x15b5/0x42a0 fs/ntfs3/super.c:935 Code: 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 cf c5 0e ff 4c 89 2b 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <8a> 04 08 84 c0 0f 85 96 16 00 00 41 c7 45 00 46 49 4c 45 4d 8d 7d RSP: 0018:ffffc900064e7ae0 EFLAGS: 00010202 RAX: 0000000000000002 RBX: ffff888045286080 RCX: dffffc0000000000 RDX: ffff88807f0f8000 RSI: 0000000000000d40 RDI: 0000000000000000 RBP: ffffc900064e7cb0 R08: ffffffff82ccf795 R09: fffff52000c9cef1 R10: fffff52000c9cef1 R11: 1ffff92000c9cef0 R12: 000000000000001f R13: 0000000000000010 R14: ffff888045286320 R15: 0000000000000000 FS: 00007f70f3ee5700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1c9e26bfc8 CR3: 00000000214b7000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: get_tree_bdev+0x400/0x620 fs/super.c:1323 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x289/0xad0 fs/namespace.c:3040 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2d3/0x3c0 fs/namespace.c:3568 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: 0033:0x7f70f2c8cb2a 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:00007f70f3ee4f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f70f2c8cb2a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f70f3ee4fe0 RBP: 00007f70f3ee5020 R08: 00007f70f3ee5020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f70f3ee4fe0 R15: 0000000020001d00 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ntfs_init_from_boot fs/ntfs3/super.c:844 [inline] RIP: 0010:ntfs_fill_super+0x15b5/0x42a0 fs/ntfs3/super.c:935 Code: 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 cf c5 0e ff 4c 89 2b 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <8a> 04 08 84 c0 0f 85 96 16 00 00 41 c7 45 00 46 49 4c 45 4d 8d 7d RSP: 0018:ffffc900064e7ae0 EFLAGS: 00010202 RAX: 0000000000000002 RBX: ffff888045286080 RCX: dffffc0000000000 RDX: ffff88807f0f8000 RSI: 0000000000000d40 RDI: 0000000000000000 RBP: ffffc900064e7cb0 R08: ffffffff82ccf795 R09: fffff52000c9cef1 R10: fffff52000c9cef1 R11: 1ffff92000c9cef0 R12: 000000000000001f R13: 0000000000000010 R14: ffff888045286320 R15: 0000000000000000 FS: 00007f70f3ee5700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f07daed8fc8 CR3: 00000000214b7000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 00 add %al,(%rax) 4: 00 fc add %bh,%ah 6: ff (bad) 7: df 80 3c 08 00 74 filds 0x7400083c(%rax) d: 08 48 89 or %cl,-0x77(%rax) 10: df e8 fucomip %st(0),%st 12: cf iret 13: c5 0e ff (bad) 16: 4c 89 2b mov %r13,(%rbx) 19: 4c 89 e8 mov %r13,%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: 8a 04 08 mov (%rax,%rcx,1),%al <-- trapping instruction 2d: 84 c0 test %al,%al 2f: 0f 85 96 16 00 00 jne 0x16cb 35: 41 c7 45 00 46 49 4c movl $0x454c4946,0x0(%r13) 3c: 45 3d: 4d rex.WRB 3e: 8d .byte 0x8d 3f: 7d .byte 0x7d