loop0: detected capacity change from 0 to 4096 BUG: unable to handle page fault for address: ffffed11087d575b #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 5ffcd067 P4D 5ffcd067 PUD 0 Oops: Oops: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted 6.15.0-syzkaller-11173-g546b1c9e93c2 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:mi_init+0x84/0xe0 fs/ntfs3/record.c:105 Code: 89 f0 48 c1 e8 03 42 0f b6 04 20 84 c0 75 5f 41 8b 3e be 40 0c 00 00 e8 3a 95 0e ff 49 89 c6 48 83 c3 20 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 bd 6b 19 ff 4c 89 33 31 c9 4d 85 RSP: 0018:ffffc9000d467730 EFLAGS: 00010a06 RAX: 1ffff110087d575c RBX: ffff888043eabae0 RCX: de4d12f5a3a3cc00 RDX: 0000000000000400 RSI: ffffffff8be27520 RDI: ffffffff8be274e0 RBP: 000000000000000a R08: 0000000000000c40 R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff1f41c5f R12: dffffc00ffffffff R13: ffff88800061ff14 R14: ffff888052b4c000 R15: ffff888043eabb38 FS: 00007f15efedd6c0(0000) GS:ffff88808d25f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed11087d575b CR3: 0000000042a2b000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ntfs_read_mft fs/ntfs3/inode.c:54 [inline] ntfs_iget5+0x356/0x37c0 fs/ntfs3/inode.c:540 ntfs_fill_super+0x3940/0x40c0 fs/ntfs3/super.c:1518 get_tree_bdev_flags+0x40b/0x4d0 fs/super.c:1679 vfs_get_tree+0x92/0x2b0 fs/super.c:1802 do_new_mount+0x24a/0xa40 fs/namespace.c:3856 do_mount fs/namespace.c:4193 [inline] __do_sys_mount fs/namespace.c:4404 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4381 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f15eef9010a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f15efedce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f15efedcef0 RCX: 00007f15eef9010a RDX: 0000200000000080 RSI: 000020000001f740 RDI: 00007f15efedceb0 RBP: 0000200000000080 R08: 00007f15efedcef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000020000001f740 R13: 00007f15efedceb0 R14: 000000000001f73f R15: 00002000000000c0 Modules linked in: CR2: ffffed11087d575b ---[ end trace 0000000000000000 ]--- RIP: 0010:mi_init+0x84/0xe0 fs/ntfs3/record.c:105 Code: 89 f0 48 c1 e8 03 42 0f b6 04 20 84 c0 75 5f 41 8b 3e be 40 0c 00 00 e8 3a 95 0e ff 49 89 c6 48 83 c3 20 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 bd 6b 19 ff 4c 89 33 31 c9 4d 85 RSP: 0018:ffffc9000d467730 EFLAGS: 00010a06 RAX: 1ffff110087d575c RBX: ffff888043eabae0 RCX: de4d12f5a3a3cc00 RDX: 0000000000000400 RSI: ffffffff8be27520 RDI: ffffffff8be274e0 RBP: 000000000000000a R08: 0000000000000c40 R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff1f41c5f R12: dffffc00ffffffff R13: ffff88800061ff14 R14: ffff888052b4c000 R15: ffff888043eabb38 FS: 00007f15efedd6c0(0000) GS:ffff88808d25f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed11087d575b CR3: 0000000042a2b000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 89 f0 mov %esi,%eax 2: 48 c1 e8 03 shr $0x3,%rax 6: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax b: 84 c0 test %al,%al d: 75 5f jne 0x6e f: 41 8b 3e mov (%r14),%edi 12: be 40 0c 00 00 mov $0xc40,%esi 17: e8 3a 95 0e ff call 0xff0e9556 1c: 49 89 c6 mov %rax,%r14 1f: 48 83 c3 20 add $0x20,%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 48 89 df mov %rbx,%rdi 34: e8 bd 6b 19 ff call 0xff196bf6 39: 4c 89 33 mov %r14,(%rbx) 3c: 31 c9 xor %ecx,%ecx 3e: 4d rex.WRB 3f: 85 .byte 0x85