Warning: Permanently added '10.128.1.77' (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 syzkaller login: [ 31.717108] divide error: 0000 [#1] PREEMPT SMP KASAN [ 31.717111] Modules linked in: [ 31.717120] CPU: 0 PID: 7991 Comm: syz-executor653 Not tainted 4.14.230-syzkaller #0 [ 31.717124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.717128] task: ffff888096e7a240 task.stack: ffff8880971a0000 [ 31.717158] RIP: 0010:fbcon_init+0xcb4/0x1cc0 [ 31.717161] RSP: 0018:ffff8880971a77e0 EFLAGS: 00010246 [ 31.717166] RAX: 0000000000000000 RBX: ffff8880b09e4840 RCX: 1ffff1101613c93f [ 31.717170] RDX: 0000000000000000 RSI: ffff8880b35c8eb4 RDI: ffff8880b09e49f8 [ 31.717174] RBP: ffff8880b35c8b00 R08: ffffffff8b9ac5e8 R09: 0000000000000000 [ 31.717177] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888238847140 [ 31.717180] R13: 0000000000000000 R14: ffff8880b35c8e34 R15: 0000000000000000 [ 31.717185] FS: 00000000012ff300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 31.717189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.717192] CR2: 00000000004b1290 CR3: 00000000ab828000 CR4: 00000000001406f0 [ 31.717199] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.717202] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.717204] Call Trace: [ 31.717221] visual_init+0x332/0x5e0 [ 31.717229] vc_allocate+0x2c5/0x640 [ 31.717242] ? lock_acquire+0x170/0x3f0 [ 31.717248] ? vc_cons_allocated+0x70/0x70 [ 31.717255] con_install+0x4d/0x450 [ 31.717260] ? vc_allocate+0x640/0x640 [ 31.717269] tty_init_dev.part.0+0x99/0x400 [ 31.717275] tty_open+0x669/0x8b0 [ 31.717282] ? tty_kopen+0x1c0/0x1c0 [ 31.717289] ? tty_kopen+0x1c0/0x1c0 [ 31.717300] chrdev_open+0x23c/0x6d0 [ 31.717306] ? __register_chrdev+0x3d0/0x3d0 [ 31.717315] do_dentry_open+0x44b/0xec0 [ 31.717321] ? __register_chrdev+0x3d0/0x3d0 [ 31.717329] ? __inode_permission+0xcd/0x2f0 [ 31.717336] vfs_open+0x105/0x220 [ 31.717343] path_openat+0x628/0x2970 [ 31.717353] ? path_lookupat+0x780/0x780 [ 31.717359] ? trace_hardirqs_on+0x10/0x10 [ 31.717365] ? lock_downgrade+0x740/0x740 [ 31.717374] do_filp_open+0x179/0x3c0 [ 31.717381] ? may_open_dev+0xe0/0xe0 [ 31.717390] ? do_raw_spin_unlock+0x164/0x220 [ 31.717401] ? __alloc_fd+0x1be/0x490 [ 31.717409] do_sys_open+0x296/0x410 [ 31.717416] ? filp_open+0x60/0x60 [ 31.717427] ? __do_page_fault+0x159/0xad0 [ 31.717434] ? do_syscall_64+0x4c/0x640 [ 31.717439] ? SyS_open+0x30/0x30 [ 31.717446] do_syscall_64+0x1d5/0x640 [ 31.717456] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.717462] RIP: 0033:0x4024a7 [ 31.717465] RSP: 002b:00007ffc5ce68780 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 31.717472] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00000000004024a7 [ 31.717475] RDX: 0000000000000002 RSI: 00007ffc5ce68810 RDI: 00000000ffffff9c [ 31.717478] RBP: 00007ffc5ce68810 R08: 0000000000000000 R09: 000000000000000e [ 31.717481] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 31.717485] R13: 00007ffc5ce688ac R14: 00007ffc5ce688c0 R15: 00007ffc5ce688b0 [ 31.717490] 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 [ 31.717608] RIP: fbcon_init+0xcb4/0x1cc0 RSP: ffff8880971a77e0 [ 31.717618] ---[ end trace 861e8962e3161612 ]--- [ 31.717622] Kernel panic - not syncing: Fatal exception [ 31.718849] Kernel Offset: disabled [ 32.047725] Rebooting in 86400 seconds..