Warning: Permanently added '10.128.0.142' (ECDSA) to the list of known hosts. executing program [ 33.144917] audit: type=1400 audit(1596569115.069:8): avc: denied { execmem } for pid=6380 comm="syz-executor208" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 33.279970] divide error: 0000 [#1] PREEMPT SMP KASAN [ 33.279973] Modules linked in: [ 33.279982] CPU: 1 PID: 6382 Comm: syz-executor208 Not tainted 4.14.191-syzkaller #0 [ 33.279986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.279990] task: ffff888097faa340 task.stack: ffff88808f758000 [ 33.279999] RIP: 0010:fbcon_init+0xccc/0x1dd0 [ 33.280002] RSP: 0018:ffff88808f75f7d8 EFLAGS: 00010246 [ 33.280006] RAX: 0000000000000000 RBX: ffff8880a5bd6d00 RCX: 1ffff11014b7add7 [ 33.280008] RDX: 0000000000000000 RSI: ffff88809ad84934 RDI: ffff8880a5bd6eb8 [ 33.280010] RBP: ffff88809ad84580 R08: ffff8880a5bd6d00 R09: 0000000000000000 [ 33.280013] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888219221640 [ 33.280015] R13: ffff88809ad848b4 R14: 0000000000000000 R15: 0000000000000014 [ 33.280018] FS: 0000000002578880(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 33.280021] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.280023] CR2: 00000000004b4c53 CR3: 00000000a6cd3000 CR4: 00000000001406e0 [ 33.280028] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.280030] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.280031] Call Trace: [ 33.280043] visual_init+0x332/0x5e0 [ 33.280048] vc_allocate+0x2c5/0x640 [ 33.280054] ? lock_acquire+0x170/0x3f0 [ 33.280059] ? vc_cons_allocated+0x70/0x70 [ 33.280069] con_install+0x4d/0x450 [ 33.280073] ? vc_allocate+0x640/0x640 [ 33.280081] tty_init_dev.part.0+0x99/0x400 [ 33.280089] tty_open+0x669/0x8b0 [ 33.280094] ? tty_kopen+0x1c0/0x1c0 [ 33.280099] ? tty_kopen+0x1c0/0x1c0 [ 33.280105] chrdev_open+0x23c/0x6d0 [ 33.280109] ? __register_chrdev+0x3d0/0x3d0 [ 33.280116] do_dentry_open+0x44b/0xec0 [ 33.280120] ? __register_chrdev+0x3d0/0x3d0 [ 33.280125] ? __inode_permission+0xcd/0x2f0 [ 33.280129] vfs_open+0x105/0x220 [ 33.280133] path_openat+0x628/0x2970 [ 33.280139] ? path_lookupat+0x780/0x780 [ 33.280144] ? trace_hardirqs_on+0x10/0x10 [ 33.280154] do_filp_open+0x179/0x3c0 [ 33.280160] ? may_open_dev+0xe0/0xe0 [ 33.280172] ? do_raw_spin_unlock+0x164/0x220 [ 33.280179] ? __alloc_fd+0x1be/0x490 [ 33.280187] do_sys_open+0x296/0x410 [ 33.280194] ? filp_open+0x60/0x60 [ 33.280201] ? __do_page_fault+0x19a/0xb50 [ 33.280208] ? do_syscall_64+0x4c/0x640 [ 33.280211] ? do_sys_open+0x410/0x410 [ 33.280215] do_syscall_64+0x1d5/0x640 [ 33.280223] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 33.280226] RIP: 0033:0x4011f0 [ 33.280228] RSP: 002b:00007fff1c5c1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 33.280232] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004011f0 [ 33.280234] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007fff1c5c1050 [ 33.280236] RBP: 000000000000818e R08: 0000000000000000 R09: 000000000000000e [ 33.280238] R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000402210 [ 33.280241] R13: 00000000004022a0 R14: 0000000000000000 R15: 0000000000000000 [ 33.280245] Code: 24 38 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 ad 0d 00 00 8b 44 24 20 31 d2 48 8b 74 24 40 b5 b0 03 00 00 48 89 f2 48 c1 ea 03 89 44 24 20 48 b8 00 00 [ 33.280317] RIP: fbcon_init+0xccc/0x1dd0 RSP: ffff88808f75f7d8 [ 33.280323] ---[ end trace 91efefd4459cfcab ]--- [ 33.280326] Kernel panic - not syncing: Fatal exception [ 33.281547] Kernel Offset: disabled [ 33.601504] Rebooting in 86400 seconds..