loop3: rw=0, want=2048, limit=431 attempt to access beyond end of device loop4: rw=0, want=2048, limit=103 ------------[ cut here ]------------ attempt to access beyond end of device kernel BUG at fs/ntfs/aops.c:207! loop4: rw=0, want=564, limit=103 attempt to access beyond end of device attempt to access beyond end of device ntfs: volume version 3.1. loop3: rw=0, want=1100, limit=431 loop4: rw=0, want=568, limit=103 invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 9074 Comm: syz-executor.2 Not tainted 4.14.225-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88803ee68480 task.stack: ffff888044928000 RIP: 0010:ntfs_read_block fs/ntfs/aops.c:207 [inline] RIP: 0010:ntfs_readpage+0x14c7/0x1a70 fs/ntfs/aops.c:456 RSP: 0018:ffff88804492f780 EFLAGS: 00010212 RAX: 0000000000040000 RBX: dffffc0000000000 RCX: ffffc900085ea000 RDX: 00000000000043a2 RSI: ffffffff820e71b7 RDI: ffff888045076190 RBP: ffff888045076188 R08: 0000000000000000 R09: ffff888045076618 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888045076140 R14: ffff888045076408 R15: ffffea0002126e00 FS: 00007f0d18fe0700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000540198 CR3: 00000000aa68a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_read_cache_page+0x38e/0xc10 mm/filemap.c:2713 read_mapping_page include/linux/pagemap.h:398 [inline] ntfs_map_page fs/ntfs/aops.h:89 [inline] map_mft_record_page fs/ntfs/mft.c:85 [inline] map_mft_record+0x1ca/0xbe0 fs/ntfs/mft.c:168 ntfs_read_locked_inode+0x1bf/0x5160 fs/ntfs/inode.c:582 ntfs_read_inode_mount+0xafb/0x2040 fs/ntfs/inode.c:2121 ntfs_fill_super+0x9a6/0x7170 fs/ntfs/super.c:2871 mount_bdev+0x2b3/0x360 fs/super.c:1134 mount_fs+0x92/0x2a0 fs/super.c:1237 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2549 [inline] do_mount+0xe53/0x2a00 fs/namespace.c:2879 SYSC_mount fs/namespace.c:3095 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3072 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x46748a RSP: 002b:00007f0d18fdffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046748a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f0d18fe0000 RBP: 00007f0d18fe0040 R08: 00007f0d18fe0040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f0d18fe0000 R15: 0000000020086e00 Code: 89 04 00 00 49 83 be 88 fd ff ff 00 0f 85 3e f5 ff ff e8 8d af 46 ff 49 8b 86 80 fd ff ff a8 08 0f 85 2a f5 ff ff e8 79 af 46 ff <0f> 0b e8 72 af 46 ff 48 8b 84 24 88 00 00 00 48 8d b8 c0 fd ff RIP: ntfs_read_block fs/ntfs/aops.c:207 [inline] RSP: ffff88804492f780 RIP: ntfs_readpage+0x14c7/0x1a70 fs/ntfs/aops.c:456 RSP: ffff88804492f780 attempt to access beyond end of device ntfs: volume version 3.1. loop3: rw=0, want=1104, limit=431 attempt to access beyond end of device loop3: rw=0, want=564, limit=431 attempt to access beyond end of device attempt to access beyond end of device loop4: rw=0, want=2044, limit=103 attempt to access beyond end of device loop0: rw=0, want=2044, limit=425 loop3: rw=0, want=568, limit=431 attempt to access beyond end of device attempt to access beyond end of device loop0: rw=0, want=2048, limit=425 loop4: rw=0, want=2048, limit=103 attempt to access beyond end of device loop0: rw=0, want=1100, limit=425 attempt to access beyond end of device ntfs: volume version 3.1. loop0: rw=0, want=1104, limit=425 attempt to access beyond end of device loop0: rw=0, want=564, limit=425 attempt to access beyond end of device loop0: rw=0, want=568, limit=425 ---[ end trace 46e860ef46365c00 ]--- ntfs: volume version 3.1.