[ OK ] Started OpenBSD Secure Shell server. Warning: Permanently added '10.128.0.123' (ECDSA) to the list of known hosts. [* ] A start job is running for dev-ttyS0.device (8s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (8s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (9s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (10s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (10s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (11s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (12s / 1min 30s)[ *] A start job is running for dev-ttyS0.device (12s / 1min 30s)[ **] A start job is running for dev-ttyS0.device (13s / 1min 30s)[ ***] A start job is running for dev-ttyS0.device (13s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (14s / 1min 30s)[ *** ] A start job is running for dev-ttyS0.device (15s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (15s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (16s / 1min 30s)[* ] A start job is running for dev-ttyS0.device (17s / 1min 30s)[** ] A start job is running for dev-ttyS0.device (17s / 1min 30s)[*** ] A start job is running for dev-ttyS0.device (18s / 1min 30s)[ 24.167064][ T22] audit: type=1400 audit(1610691051.606:8): avc: denied { execmem } for pid=358 comm="syz-executor671" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 24.188124][ T359] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 24.214112][ T359] BUG: kernel NULL pointer dereference, address: 0000000000000086 [ 24.221985][ T359] #PF: supervisor instruction fetch in kernel mode [ 24.228489][ T359] #PF: error_code(0x0010) - not-present page [ 24.234431][ T359] PGD 1e9f99067 P4D 1e9f99067 PUD 1e9f98067 PMD 0 [ 24.240898][ T359] Oops: 0010 [#1] PREEMPT SMP KASAN [ 24.246061][ T359] CPU: 0 PID: 359 Comm: syz-executor671 Not tainted 5.4.89-syzkaller-00259-g9b928c0480bd #0 [ 24.256083][ T359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.266120][ T359] RIP: 0010:0x86 [ 24.269725][ T359] Code: Bad RIP value. [ 24.273847][ T359] RSP: 0018:ffff8881e8baf828 EFLAGS: 00010086 [ 24.279899][ T359] RAX: ffff8881e8baf858 RBX: fffffe0000000000 RCX: ffff8881de01be00 [ 24.287839][ T359] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 24.295781][ T359] RBP: 0000000000000ec0 R08: ffffffff8229f500 R09: ffffffff811d164b [ 24.303872][ T359] R10: ffff8881de01be00 R11: 0000000000000002 R12: dffffc0000000000 [ 24.311814][ T359] R13: fffffe0000000ec8 R14: ffffffff846013f0 R15: fffffe0000000ecb [ 24.319755][ T359] FS: 00000000020e9880(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 24.328650][ T359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.335214][ T359] CR2: 000000000000005c CR3: 00000001e9f9a000 CR4: 00000000001426f0 [ 24.343159][ T359] Call Trace: [ 24.346425][ T359] ? handle_external_interrupt_irqoff+0x151/0x280 [ 24.352817][ T359] ? handle_external_interrupt_irqoff+0x12f/0x280 [ 24.359297][ T359] ? __irqentry_text_start+0x8/0x8 [ 24.364377][ T359] ? vcpu_enter_guest+0x2afa/0x3d30 [ 24.369546][ T359] ? vmx_vcpu_load_vmcs+0x65e/0x780 [ 24.374718][ T359] ? local_bh_enable+0x20/0x20 [ 24.379447][ T359] ? free_pcp_prepare+0x280/0x280 [ 24.384465][ T359] ? check_preemption_disabled+0x9e/0x330 [ 24.390146][ T359] ? check_preemption_disabled+0x9e/0x330 [ 24.395832][ T359] ? debug_smp_processor_id+0x20/0x20 [ 24.401164][ T359] ? check_preemption_disabled+0x9e/0x330 [ 24.406860][ T359] ? vcpu_run+0x344/0xbf0 [ 24.411269][ T359] ? kvm_arch_vcpu_ioctl_run+0x416/0x870 [ 24.416890][ T359] ? kvm_vcpu_ioctl+0x7c9/0xdf0 [ 24.421711][ T359] ? kvm_vm_release+0x50/0x50 [ 24.426351][ T359] ? check_preemption_disabled+0x9e/0x330 [ 24.432037][ T359] ? debug_smp_processor_id+0x20/0x20 [ 24.437377][ T359] ? mem_cgroup_commit_charge+0x1cc/0x2a0 [ 24.443063][ T359] ? mem_cgroup_try_charge_delay+0x10/0x10 [ 24.448846][ T359] ? __mod_node_page_state+0x81/0xd0 [ 24.454533][ T359] ? __lru_cache_add+0x1c5/0x210 [ 24.459452][ T359] ? _raw_spin_unlock+0x49/0x60 [ 24.464279][ T359] ? handle_mm_fault+0x94d/0x41f0 [ 24.469268][ T359] ? kvm_vm_release+0x50/0x50 [ 24.473910][ T359] ? do_vfs_ioctl+0x769/0x1720 [ 24.478641][ T359] ? selinux_file_ioctl+0x7c6/0x990 [ 24.483811][ T359] ? ioctl_preallocate+0x250/0x250 [ 24.489181][ T359] ? check_preemption_disabled+0x15a/0x330 [ 24.494953][ T359] ? debug_smp_processor_id+0x20/0x20 [ 24.500289][ T359] ? __up_read+0x6f/0x1b0 [ 24.504580][ T359] ? __down_read+0x210/0x210 [ 24.509131][ T359] ? check_preemption_disabled+0x15a/0x330 [ 24.514902][ T359] ? debug_smp_processor_id+0x20/0x20 [ 24.520238][ T359] ? __fpregs_load_activate+0x2d3/0x390 [ 24.525840][ T359] ? security_file_ioctl+0xad/0xc0 [ 24.530925][ T359] ? __x64_sys_ioctl+0xd4/0x110 [ 24.535744][ T359] ? do_syscall_64+0xcb/0x150 [ 24.540381][ T359] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 24.546420][ T359] Modules linked in: [ 24.550291][ T359] CR2: 0000000000000086 [ 24.554419][ T359] ---[ end trace cd13bc8f0b5a59a7 ]--- [ 24.559863][ T359] RIP: 0010:0x86 [ 24.563379][ T359] Code: Bad RIP value. [ 24.567421][ T359] RSP: 0018:ffff8881e8baf828 EFLAGS: 00010086 [ 24.573458][ T359] RAX: ffff8881e8baf858 RBX: fffffe0000000000 RCX: ffff8881de01be00 [ 24.581406][ T359] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 24.589342][ T359] RBP: 0000000000000ec0 R08: ffffffff8229f500 R09: ffffffff811d164b [ 24.597291][ T359] R10: ffff8881de01be00 R11: 0000000000000002 R12: dffffc0000000000 [ 24.605225][ T359] R13: fffffe0000000ec8 R14: ffffffff846013f0 R15: fffffe0000000ecb [ 24.613161][ T359] FS: 00000000020e9880(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 24.622065][ T359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.628625][ T359] CR2: 000000000000005c CR3: 00000001e9f9a000 CR4: 00000000001426f0 [ 24.636567][ T359] Kernel panic - not syncing: Fatal exception [ 24.643420][ T359] Kernel Offset: disabled [ 24.647724][ T359] Rebooting in 86400 seconds..