ntfs3: loop3: Different NTFS sector size (1024) and media sector size (512). BUG: unable to handle page fault for address: ffffff8da676c000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD d97e067 P4D d97e067 PUD 0 Oops: Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 PID: 6093 Comm: syz-executor.3 Not tainted 6.10.0-rc4-syzkaller-00164-g66cc544fd75c #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:map_id_range_down+0x8f/0x3a0 kernel/user_namespace.c:318 Code: 00 00 48 89 44 24 70 31 c0 e8 dd 1a 04 00 4c 89 f0 48 c1 e8 03 0f b6 04 28 84 c0 74 08 3c 03 0f 8e 8b 02 00 00 4c 8b 74 24 08 <45> 8b 3e 44 89 3c 24 bf 05 00 00 00 44 89 fe e8 ad 15 04 00 41 83 RSP: 0018:ffffc9000c67f780 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffc90024546000 RDX: 0000000000040000 RSI: ffffffff818a7513 RDI: ffffff8da676c000 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed10000c19c3 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffffff8da676c000 R14: ffffff8da676c000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:00000000f5f0cb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: ffffff8da676c000 CR3: 0000000026986000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: map_id_down kernel/user_namespace.c:337 [inline] make_kuid+0x1f/0x30 kernel/user_namespace.c:414 i_uid_write include/linux/fs.h:1368 [inline] inode_init_always+0x2f6/0xf50 fs/inode.c:174 alloc_inode+0x7d/0x230 fs/inode.c:268 iget5_locked fs/inode.c:1235 [inline] iget5_locked+0x1c9/0x2c0 fs/inode.c:1228 ntfs_iget5+0xd2/0x3810 fs/ntfs3/inode.c:532 ntfs_fill_super+0x37a4/0x4430 fs/ntfs3/super.c:1485 get_tree_bdev+0x36f/0x610 fs/super.c:1615 vfs_get_tree+0x8f/0x380 fs/super.c:1780 do_new_mount fs/namespace.c:3352 [inline] path_mount+0x6e1/0x1f10 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount fs/namespace.c:3875 [inline] __ia32_sys_mount+0x295/0x320 fs/namespace.c:3875 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf731a579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f5f0c400 EFLAGS: 00000292 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00000000f5f0c460 RCX: 0000000020000040 RDX: 000000002001f800 RSI: 0000000000000002 RDI: 00000000f5f0c4a0 RBP: 00000000f5f0c460 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: CR2: ffffff8da676c000 ---[ end trace 0000000000000000 ]--- RIP: 0010:map_id_range_down+0x8f/0x3a0 kernel/user_namespace.c:318 Code: 00 00 48 89 44 24 70 31 c0 e8 dd 1a 04 00 4c 89 f0 48 c1 e8 03 0f b6 04 28 84 c0 74 08 3c 03 0f 8e 8b 02 00 00 4c 8b 74 24 08 <45> 8b 3e 44 89 3c 24 bf 05 00 00 00 44 89 fe e8 ad 15 04 00 41 83 RSP: 0018:ffffc9000c67f780 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffc90024546000 RDX: 0000000000040000 RSI: ffffffff818a7513 RDI: ffffff8da676c000 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed10000c19c3 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffffff8da676c000 R14: ffffff8da676c000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:00000000f5f0cb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: ffffff8da676c000 CR3: 0000000026986000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 48 89 44 24 70 mov %rax,0x70(%rsp) 7: 31 c0 xor %eax,%eax 9: e8 dd 1a 04 00 call 0x41aeb e: 4c 89 f0 mov %r14,%rax 11: 48 c1 e8 03 shr $0x3,%rax 15: 0f b6 04 28 movzbl (%rax,%rbp,1),%eax 19: 84 c0 test %al,%al 1b: 74 08 je 0x25 1d: 3c 03 cmp $0x3,%al 1f: 0f 8e 8b 02 00 00 jle 0x2b0 25: 4c 8b 74 24 08 mov 0x8(%rsp),%r14 * 2a: 45 8b 3e mov (%r14),%r15d <-- trapping instruction 2d: 44 89 3c 24 mov %r15d,(%rsp) 31: bf 05 00 00 00 mov $0x5,%edi 36: 44 89 fe mov %r15d,%esi 39: e8 ad 15 04 00 call 0x415eb 3e: 41 rex.B 3f: 83 .byte 0x83