[ 74.639636][ T27] audit: type=1400 audit(1576211448.962:37): avc: denied { watch } for pid=9891 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16180 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 74.673498][ T27] audit: type=1400 audit(1576211448.962:38): avc: denied { watch } for pid=9891 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 74.933599][ T27] audit: type=1800 audit(1576211449.252:39): pid=9798 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 74.955713][ T27] audit: type=1800 audit(1576211449.262:40): pid=9798 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 78.204622][ T27] audit: type=1400 audit(1576211452.522:41): avc: denied { map } for pid=9976 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.121' (ECDSA) to the list of known hosts. [ 84.866642][ T27] audit: type=1400 audit(1576211459.182:42): avc: denied { map } for pid=9988 comm="syz-executor218" path="/root/syz-executor218236140" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 84.873377][ T9988] 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. executing program [ 84.893746][ T27] audit: type=1400 audit(1576211459.182:43): avc: denied { map } for pid=9988 comm="syz-executor218" path="socket:[34754]" dev="sockfs" ino=34754 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=socket permissive=1 [ 84.959284][ T9988] ------------[ cut here ]------------ [ 84.964842][ T9988] kernel BUG at arch/x86/kvm/mmu/mmu.c:3416! [ 84.970922][ T9988] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 84.976983][ T9988] CPU: 0 PID: 9988 Comm: syz-executor218 Not tainted 5.5.0-rc1-syzkaller #0 [ 84.985645][ T9988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.995691][ T9988] RIP: 0010:transparent_hugepage_adjust+0x4c8/0x550 [ 85.002254][ T9988] Code: ff ff e8 eb 5d 5e 00 48 8b 45 b8 48 83 e8 01 48 89 45 c8 e9 a3 fd ff ff 48 89 df e8 c2 f8 9b 00 e9 7b fb ff ff e8 c8 5d 5e 00 <0f> 0b 48 8b 7d c8 e8 ad f8 9b 00 e9 ba fc ff ff 49 8d 7f 30 e8 7f [ 85.021833][ T9988] RSP: 0018:ffffc90001f27678 EFLAGS: 00010293 [ 85.027890][ T9988] RAX: ffff8880a875a200 RBX: ffffc90001f27768 RCX: ffffffff8116cc87 [ 85.035858][ T9988] RDX: 0000000000000000 RSI: ffffffff8116cdc8 RDI: 0000000000000007 [ 85.043807][ T9988] RBP: ffffc90001f276c0 R08: ffff8880a875a200 R09: ffffed1010d79682 [ 85.051755][ T9988] R10: ffffed1010d79681 R11: ffff888086bcb40b R12: 00000000000001d3 [ 85.059713][ T9988] R13: 0000000000094dd3 R14: 0000000000094dd1 R15: 0000000000000000 [ 85.067663][ T9988] FS: 0000000000fff880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 85.076573][ T9988] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.083242][ T9988] CR2: 0000000000000000 CR3: 000000009af1b000 CR4: 00000000001426f0 [ 85.091341][ T9988] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.099294][ T9988] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.107258][ T9988] Call Trace: [ 85.110536][ T9988] tdp_page_fault+0x580/0x6a0 [ 85.115191][ T9988] ? nonpaging_page_fault+0x610/0x610 [ 85.120541][ T9988] ? is_bpf_text_address+0xce/0x160 [ 85.125727][ T9988] kvm_mmu_page_fault+0x1dd/0x1800 [ 85.130848][ T9988] ? __kasan_check_read+0x11/0x20 [ 85.135848][ T9988] ? mark_lock+0xc2/0x1220 [ 85.140242][ T9988] ? arch_stack_walk+0x97/0xf0 [ 85.144983][ T9988] ? kvm_nx_lpage_recovery_worker+0x7f0/0x7f0 [ 85.151028][ T9988] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 85.157154][ T9988] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.162672][ T9988] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 85.168631][ T9988] handle_ept_violation+0x259/0x560 [ 85.173822][ T9988] ? vmx_inject_irq+0x5c0/0x5c0 [ 85.178657][ T9988] vmx_handle_exit+0x29f/0x1730 [ 85.183483][ T9988] vcpu_enter_guest+0x334f/0x6110 [ 85.188483][ T9988] ? mark_held_locks+0xf0/0xf0 [ 85.193226][ T9988] ? kvm_vcpu_reload_apic_access_page+0x370/0x370 [ 85.199627][ T9988] ? lock_acquire+0x190/0x410 [ 85.204297][ T9988] ? kvm_check_async_pf_completion+0x2d8/0x440 [ 85.210442][ T9988] kvm_arch_vcpu_ioctl_run+0x430/0x17b0 [ 85.215970][ T9988] ? kvm_arch_vcpu_ioctl_run+0x430/0x17b0 [ 85.221687][ T9988] kvm_vcpu_ioctl+0x4dc/0xfc0 [ 85.226345][ T9988] ? kvm_clear_dirty_log_protect+0x820/0x820 [ 85.232325][ T9988] ? tomoyo_path_number_perm+0x25e/0x520 [ 85.237940][ T9988] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 85.243729][ T9988] ? __do_page_fault+0x56a/0xd80 [ 85.248657][ T9988] ? kvm_clear_dirty_log_protect+0x820/0x820 [ 85.254612][ T9988] do_vfs_ioctl+0x977/0x14e0 [ 85.259179][ T9988] ? compat_ioctl_preallocate+0x220/0x220 [ 85.264903][ T9988] ? selinux_file_mprotect+0x620/0x620 [ 85.270351][ T9988] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 85.276481][ T9988] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.282006][ T9988] ? tomoyo_file_ioctl+0x23/0x30 [ 85.286965][ T9988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.293181][ T9988] ? security_file_ioctl+0x8d/0xc0 [ 85.298321][ T9988] ksys_ioctl+0xab/0xd0 [ 85.302472][ T9988] __x64_sys_ioctl+0x73/0xb0 [ 85.307162][ T9988] do_syscall_64+0xfa/0x790 [ 85.311706][ T9988] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.317587][ T9988] RIP: 0033:0x440359 [ 85.321516][ T9988] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.341115][ T9988] RSP: 002b:00007ffc16334278 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.349514][ T9988] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440359 [ 85.357461][ T9988] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006 [ 85.365504][ T9988] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 85.373453][ T9988] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000401be0 [ 85.381412][ T9988] R13: 0000000000401c70 R14: 0000000000000000 R15: 0000000000000000 [ 85.389373][ T9988] Modules linked in: [ 85.393764][ T9988] ---[ end trace e1a5b9c09fef2e33 ]--- [ 85.399280][ T9988] RIP: 0010:transparent_hugepage_adjust+0x4c8/0x550 [ 85.406070][ T9988] Code: ff ff e8 eb 5d 5e 00 48 8b 45 b8 48 83 e8 01 48 89 45 c8 e9 a3 fd ff ff 48 89 df e8 c2 f8 9b 00 e9 7b fb ff ff e8 c8 5d 5e 00 <0f> 0b 48 8b 7d c8 e8 ad f8 9b 00 e9 ba fc ff ff 49 8d 7f 30 e8 7f [ 85.425734][ T9988] RSP: 0018:ffffc90001f27678 EFLAGS: 00010293 [ 85.431834][ T9988] RAX: ffff8880a875a200 RBX: ffffc90001f27768 RCX: ffffffff8116cc87 [ 85.439820][ T9988] RDX: 0000000000000000 RSI: ffffffff8116cdc8 RDI: 0000000000000007 [ 85.447801][ T9988] RBP: ffffc90001f276c0 R08: ffff8880a875a200 R09: ffffed1010d79682 [ 85.459093][ T9988] R10: ffffed1010d79681 R11: ffff888086bcb40b R12: 00000000000001d3 [ 85.467055][ T9988] R13: 0000000000094dd3 R14: 0000000000094dd1 R15: 0000000000000000 [ 85.475054][ T9988] FS: 0000000000fff880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 85.484046][ T9988] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.490644][ T9988] CR2: 0000000000000000 CR3: 000000009af1b000 CR4: 00000000001426f0 [ 85.498631][ T9988] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.506592][ T9988] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.514579][ T9988] Kernel panic - not syncing: Fatal exception [ 85.522129][ T9988] Kernel Offset: disabled [ 85.526453][ T9988] Rebooting in 86400 seconds..