loop1: rw=0, want=563, limit=249 loop2: rw=0, want=2046, limit=71 attempt to access beyond end of device attempt to access beyond end of device ------------[ cut here ]------------ kernel BUG at fs/ntfs/aops.c:203! loop1: rw=0, want=564, limit=249 loop2: rw=0, want=2047, limit=71 attempt to access beyond end of device invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 20852 Comm: syz-executor.3 Not tainted 4.19.146-syzkaller #0 attempt to access beyond end of device Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ntfs_read_block fs/ntfs/aops.c:203 [inline] RIP: 0010:ntfs_readpage+0x1c0b/0x24d0 fs/ntfs/aops.c:452 Code: ff e8 a9 93 16 ff 48 8b 9d 80 fd ff ff 31 ff 48 c1 eb 03 83 e3 01 89 de e8 c2 94 16 ff 84 db 0f 85 0b f0 ff ff e8 85 93 16 ff <0f> 0b 48 c7 c7 80 e3 bf 89 e8 87 bb 5a 01 e8 72 93 16 ff 0f 0b 48 loop2: rw=0, want=2048, limit=71 RSP: 0018:ffff888051c9f758 EFLAGS: 00010216 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc9000c263000 RDX: 0000000000004e78 RSI: ffffffff825b2f5b RDI: 0000000000000001 RBP: ffff88808067eac8 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88808067e848 R14: 0000000000000001 R15: ffffea0000febd00 FS: 00007f18e7e6b700(0000) GS:ffff8880ae200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000334fad8 CR3: 000000009e45e000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_read_cache_page+0x533/0x1080 mm/filemap.c:2828 read_mapping_page include/linux/pagemap.h:402 [inline] ntfs_map_page fs/ntfs/aops.h:89 [inline] map_mft_record_page fs/ntfs/mft.c:87 [inline] map_mft_record+0x228/0xd00 fs/ntfs/mft.c:170 ntfs_read_locked_inode+0x19c/0x5490 fs/ntfs/inode.c:575 ntfs_read_inode_mount+0xcba/0x23b0 fs/ntfs/inode.c:2100 ntfs_fill_super+0x1761/0x89d2 fs/ntfs/super.c:2871 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 mount_fs+0xa3/0x318 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x51c/0x2f10 fs/namespace.c:2799 ksys_mount+0xcf/0x130 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3026 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x46004a Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 da 89 fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007f18e7e6aa88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f18e7e6ab20 RCX: 000000000046004a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f18e7e6aae0 RBP: 00007f18e7e6aae0 R08: 00007f18e7e6ab20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 000000002007dc00 Modules linked in: ---[ end trace d8d8bed3273d29cc ]--- RIP: 0010:ntfs_read_block fs/ntfs/aops.c:203 [inline] RIP: 0010:ntfs_readpage+0x1c0b/0x24d0 fs/ntfs/aops.c:452 loop1: rw=0, want=565, limit=249 Code: ff e8 a9 93 16 ff 48 8b 9d 80 fd ff ff 31 ff 48 c1 eb 03 83 e3 01 89 de e8 c2 94 16 ff 84 db 0f 85 0b f0 ff ff e8 85 93 16 ff <0f> 0b 48 c7 c7 80 e3 bf 89 e8 87 bb 5a 01 e8 72 93 16 ff 0f 0b 48 RSP: 0018:ffff888051c9f758 EFLAGS: 00010216 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc9000c263000 RDX: 0000000000004e78 RSI: ffffffff825b2f5b RDI: 0000000000000001 RBP: ffff88808067eac8 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88808067e848 R14: 0000000000000001 R15: ffffea0000febd00 FS: 00007f18e7e6b700(0000) GS:ffff8880ae200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000035ddad8 CR3: 000000009e45e000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400