Warning: Permanently added '10.128.0.84' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 31.425756] divide error: 0000 [#1] PREEMPT SMP KASAN [ 31.425760] Modules linked in: [ 31.425770] CPU: 1 PID: 7989 Comm: syz-executor934 Not tainted 4.14.231-syzkaller #0 [ 31.425773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.425778] task: ffff88808fb923c0 task.stack: ffff8880b3fd8000 [ 31.425791] RIP: 0010:fbcon_init+0xcb4/0x1cc0 [ 31.425794] RSP: 0018:ffff8880b3fdf7e0 EFLAGS: 00010246 [ 31.425799] RAX: 0000000000000000 RBX: ffff888238f00780 RCX: 1ffff110471e0127 [ 31.425802] RDX: 0000000000000000 RSI: ffff88808fb971f4 RDI: ffff888238f00938 [ 31.425805] RBP: ffff88808fb96e40 R08: ffffffff8b9bfbf8 R09: 0000000000000000 [ 31.425808] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238fcc600 [ 31.425811] R13: 0000000000000000 R14: ffff88808fb97174 R15: 0000000000000000 [ 31.425816] FS: 0000000001490300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 31.425819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.425822] CR2: 0000000000496dd3 CR3: 00000000a1945000 CR4: 00000000001406e0 [ 31.425830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.425833] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.425835] Call Trace: [ 31.425849] visual_init+0x332/0x5e0 [ 31.425857] vc_allocate+0x2c5/0x640 [ 31.425866] ? lock_acquire+0x170/0x3f0 [ 31.425872] ? vc_cons_allocated+0x70/0x70 [ 31.425879] con_install+0x4d/0x450 [ 31.425885] ? vc_allocate+0x640/0x640 [ 31.425894] tty_init_dev.part.0+0x99/0x400 [ 31.425900] tty_open+0x669/0x8b0 [ 31.425908] ? tty_kopen+0x1c0/0x1c0 [ 31.425915] ? tty_kopen+0x1c0/0x1c0 [ 31.425921] chrdev_open+0x23c/0x6d0 [ 31.425927] ? __register_chrdev+0x3d0/0x3d0 [ 31.425935] do_dentry_open+0x44b/0xec0 [ 31.425940] ? __register_chrdev+0x3d0/0x3d0 [ 31.425949] ? __inode_permission+0xcd/0x2f0 [ 31.425955] vfs_open+0x105/0x220 [ 31.425963] path_openat+0x628/0x2970 [ 31.425973] ? path_lookupat+0x780/0x780 [ 31.425979] ? trace_hardirqs_on+0x10/0x10 [ 31.425985] ? lock_downgrade+0x740/0x740 [ 31.425995] do_filp_open+0x179/0x3c0 [ 31.426002] ? may_open_dev+0xe0/0xe0 [ 31.426011] ? do_raw_spin_unlock+0x164/0x220 [ 31.426018] ? __alloc_fd+0x1be/0x490 [ 31.426026] do_sys_open+0x296/0x410 [ 31.426032] ? filp_open+0x60/0x60 [ 31.426042] ? __do_page_fault+0x159/0xad0 [ 31.426049] ? do_syscall_64+0x4c/0x640 [ 31.426055] ? SyS_open+0x30/0x30 [ 31.426061] do_syscall_64+0x1d5/0x640 [ 31.426071] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.426076] RIP: 0033:0x4024a7 [ 31.426079] RSP: 002b:00007fffaf582510 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 31.426085] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00000000004024a7 [ 31.426088] RDX: 0000000000000002 RSI: 00007fffaf5825a0 RDI: 00000000ffffff9c [ 31.426091] RBP: 00007fffaf5825a0 R08: 0000000000000000 R09: 000000000000000e [ 31.426094] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 31.426097] R13: 00007fffaf58263c R14: 00007fffaf582650 R15: 00007fffaf582640 [ 31.426102] Code: 54 24 30 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 8d 0d 00 00 31 d2 44 89 f8 48 8b 74 24 38 b5 b0 03 00 00 48 89 f2 48 c1 ea 03 89 44 24 30 48 b8 00 00 [ 31.426224] RIP: fbcon_init+0xcb4/0x1cc0 RSP: ffff8880b3fdf7e0 [ 31.427724] ---[ end trace cda29ac28ae77a9e ]--- [ 31.427729] Kernel panic - not syncing: Fatal exception [ 31.428343] Kernel Offset: disabled