Starting Update UTMP about System Runlevel Changes... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.41' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 32.314992] ntfs: (device loop0): is_boot_sector_ntfs(): Invalid end of sector marker. [ 32.323834] ------------[ cut here ]------------ [ 32.328592] kernel BUG at fs/ntfs/aops.c:203! [ 32.333477] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 32.338833] CPU: 1 PID: 8085 Comm: syz-executor787 Not tainted 4.19.211-syzkaller #0 [ 32.346689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.356028] RIP: 0010:ntfs_readpage+0x1a6b/0x21b0 [ 32.360845] Code: ff e8 89 ae 1d ff 48 8b 9d 80 fd ff ff 31 ff 48 c1 eb 03 83 e3 01 89 de e8 a2 af 1d ff 84 db 0f 85 75 f1 ff ff e8 65 ae 1d ff <0f> 0b e8 5e ae 1d ff 0f 0b e8 57 ae 1d ff 0f 0b e8 50 ae 1d ff 8b [ 32.379721] RSP: 0018:ffff8880955d7720 EFLAGS: 00010293 [ 32.385059] RAX: ffff888097106600 RBX: 0000000000000000 RCX: ffffffff8244d6fe [ 32.392322] RDX: 0000000000000000 RSI: ffffffff8244d70b RDI: 0000000000000001 [ 32.399567] RBP: ffff88808cb48a08 R08: 0000000000000001 R09: 0000000000000000 [ 32.406825] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 32.414072] R13: ffff88808cb48788 R14: 0000000000000001 R15: ffffea00024148c0 [ 32.421322] FS: 0000555555843300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 32.429520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.435394] CR2: 0000000020000100 CR3: 00000000a48cc000 CR4: 00000000003406e0 [ 32.442643] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.449895] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.457142] Call Trace: [ 32.459717] ? page_cache_tree_insert+0x3f0/0x3f0 [ 32.464559] ? check_preemption_disabled+0x41/0x280 [ 32.469553] ? ntfs_end_buffer_async_read+0x1210/0x1210 [ 32.474905] ? add_to_page_cache_lru+0x259/0x680 [ 32.479637] ? add_to_page_cache_locked+0x40/0x40 [ 32.484457] do_read_cache_page+0x533/0x1170 [ 32.488859] ? ntfs_end_buffer_async_read+0x1210/0x1210 [ 32.494200] map_mft_record+0x1fe/0xc70 [ 32.498156] ntfs_read_locked_inode+0x19c/0x56e0 [ 32.502889] ? ntfs_attr_reinit_search_ctx+0x3c0/0x3c0 [ 32.508147] ? kmem_cache_alloc+0x2e1/0x370 [ 32.512451] ntfs_read_inode_mount+0xbc4/0x22b0 [ 32.517099] ntfs_fill_super+0xa16/0x7e10 [ 32.521230] ? pointer+0x850/0x850 [ 32.524749] ? lock_downgrade+0x720/0x720 [ 32.528878] ? ntfs_big_inode_init_once+0x20/0x20 [ 32.533712] ? vsprintf+0x30/0x30 [ 32.537145] ? wait_for_completion_io+0x10/0x10 [ 32.541792] ? set_blocksize+0x163/0x3f0 [ 32.545832] mount_bdev+0x2fc/0x3b0 [ 32.549441] ? ntfs_big_inode_init_once+0x20/0x20 [ 32.554258] mount_fs+0xa3/0x310 [ 32.557617] vfs_kern_mount.part.0+0x68/0x470 [ 32.562091] do_mount+0x115c/0x2f50 [ 32.565697] ? lock_acquire+0x170/0x3c0 [ 32.569651] ? check_preemption_disabled+0x41/0x280 [ 32.574646] ? copy_mount_string+0x40/0x40 [ 32.578860] ? copy_mount_options+0x59/0x380 [ 32.583243] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 32.588236] ? kmem_cache_alloc_trace+0x323/0x380 [ 32.593142] ? copy_mount_options+0x26f/0x380 [ 32.597634] ksys_mount+0xcf/0x130 [ 32.601154] __x64_sys_mount+0xba/0x150 [ 32.605123] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 32.609680] do_syscall_64+0xf9/0x620 [ 32.613460] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 32.618645] RIP: 0033:0x7f5d8ec5749a [ 32.622337] Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 32.641214] RSP: 002b:00007ffed3e88e28 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 32.648909] RAX: ffffffffffffffda RBX: 00007ffed3e88e80 RCX: 00007f5d8ec5749a [ 32.656156] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffed3e88e40 [ 32.663409] RBP: 00007ffed3e88e40 R08: 00007ffed3e88e80 R09: 0000000000000000 [ 32.670659] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000368 [ 32.677905] R13: 0000000000000003 R14: 0000000000000004 R15: 000000000000000f [ 32.685152] Modules linked in: [ 32.692386] ---[ end trace d0a0dcafd6a4d3cd ]--- [ 32.697157] RIP: 0010:ntfs_readpage+0x1a6b/0x21b0 [ 32.702428] Code: ff e8 89 ae 1d ff 48 8b 9d 80 fd ff ff 31 ff 48 c1 eb 03 83 e3 01 89 de e8 a2 af 1d ff 84 db 0f 85 75 f1 ff ff e8 65 ae 1d ff <0f> 0b e8 5e ae 1d ff 0f 0b e8 57 ae 1d ff 0f 0b e8 50 ae 1d ff 8b [ 32.721835] RSP: 0018:ffff8880955d7720 EFLAGS: 00010293 [ 32.727203] RAX: ffff888097106600 RBX: 0000000000000000 RCX: ffffffff8244d6fe [ 32.734706] RDX: 0000000000000000 RSI: ffffffff8244d70b RDI: 0000000000000001 [ 32.742046] RBP: ffff88808cb48a08 R08: 0000000000000001 R09: 0000000000000000 [ 32.749305] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 32.756595] R13: ffff88808cb48788 R14: 0000000000000001 R15: ffffea00024148c0 [ 32.764001] FS: 0000555555843300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 32.772354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.778241] CR2: 00007f384e7f6ab4 CR3: 00000000a48cc000 CR4: 00000000003406e0 [ 32.785563] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.792885] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.800155] Kernel panic - not syncing: Fatal exception [ 32.805695] Kernel Offset: disabled [ 32.809303] Rebooting in 86400 seconds..