[ 68.795222][ T25] audit: type=1800 audit(1567652549.040:32): pid=10107 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 69.475982][ T25] audit: type=1800 audit(1567652549.820:33): pid=10107 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.44' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 77.480839][ T25] kauditd_printk_skb: 2 callbacks suppressed [ 77.480852][ T25] audit: type=1400 audit(1567652557.820:36): avc: denied { map } for pid=10295 comm="syz-executor135" path="/root/syz-executor135949166" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 77.484412][T10295] 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. [ 77.543103][T10295] kvm [10295]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x20 [ 77.552537][T10295] kvm [10295]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x40 [ 77.561881][T10295] kvm [10295]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x60 [ 77.571295][T10295] kvm [10295]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x80 [ 77.580669][T10295] kvm [10295]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x94 [ 77.590040][T10295] kvm [10295]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x48c [ 77.599464][T10295] kvm [10295]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x4ac [ 77.609029][T10295] kvm [10295]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000005 data 0x1520 [ 77.618655][T10295] kvm [10295]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000006 data 0x15d4 [ 77.628164][T10295] kvm [10295]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000007 data 0x15c4 [ 77.641260][T10295] kasan: CONFIG_KASAN_INLINE enabled [ 77.646558][T10295] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 77.654675][T10295] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 77.661588][T10295] CPU: 0 PID: 10295 Comm: syz-executor135 Not tainted 5.3.0-rc7+ #0 [ 77.669546][T10295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.679588][T10295] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 77.685201][T10295] Code: c0 44 89 45 d4 4c 89 4d c8 e8 96 db 5c 00 49 8d 86 98 00 00 00 48 89 c2 48 89 45 b8 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 65 0a 00 00 4d 8b be 98 00 00 00 0f 1f 44 00 00 [ 77.704777][T10295] RSP: 0018:ffff88808cd2f820 EFLAGS: 00010202 [ 77.710814][T10295] RAX: dffffc0000000000 RBX: ffff88808cd2f958 RCX: 0000000000000000 [ 77.718759][T10295] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 77.726704][T10295] RBP: ffff88808cd2f878 R08: 0000000000000000 R09: 0000000000000000 [ 77.734648][T10295] R10: fffff52000bf3070 R11: ffffc90005f98383 R12: 0000000000000000 [ 77.742593][T10295] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88808c522ff0 [ 77.750544][T10295] FS: 0000555555d67880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 77.759457][T10295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.766025][T10295] CR2: 0000000000000000 CR3: 00000000a786b000 CR4: 00000000001426f0 [ 77.773973][T10295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.781925][T10295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.789871][T10295] Call Trace: [ 77.793142][T10295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.799359][T10295] kvm_apic_set_irq+0x10b/0x170 [ 77.804199][T10295] kvm_hv_process_stimers+0xd55/0x1a10 [ 77.809634][T10295] ? kvm_hv_irq_routing_update+0x410/0x410 [ 77.815428][T10295] ? lock_acquire+0x190/0x410 [ 77.820078][T10295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.826291][T10295] ? __kasan_check_write+0x14/0x20 [ 77.831377][T10295] vcpu_enter_guest+0x4d2/0x5e90 [ 77.836290][T10295] ? mark_held_locks+0xf0/0xf0 [ 77.841033][T10295] ? kvm_vcpu_ioctl+0x181/0xfd0 [ 77.845864][T10295] ? handle_emulation_failure+0x4e0/0x4e0 [ 77.851572][T10295] ? lock_acquire+0x190/0x410 [ 77.856223][T10295] ? kvm_check_async_pf_completion+0x2d8/0x440 [ 77.862352][T10295] kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 77.867868][T10295] ? kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 77.873564][T10295] kvm_vcpu_ioctl+0x4dc/0xfd0 [ 77.878215][T10295] ? kvm_write_guest_cached+0x40/0x40 [ 77.883567][T10295] ? tomoyo_path_number_perm+0x263/0x520 [ 77.889174][T10295] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 77.894953][T10295] ? put_unused_fd+0x62/0x80 [ 77.899519][T10295] ? rwlock_bug.part.0+0x90/0x90 [ 77.904429][T10295] ? put_unused_fd+0x4f/0x80 [ 77.908997][T10295] ? kvm_write_guest_cached+0x40/0x40 [ 77.914870][T10295] do_vfs_ioctl+0xdb6/0x13e0 [ 77.919433][T10295] ? ioctl_preallocate+0x210/0x210 [ 77.924531][T10295] ? selinux_file_mprotect+0x620/0x620 [ 77.929980][T10295] ? __fget_light+0x1a9/0x230 [ 77.934632][T10295] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.940846][T10295] ? tomoyo_file_ioctl+0x23/0x30 [ 77.945758][T10295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.951982][T10295] ? security_file_ioctl+0x8d/0xc0 [ 77.957066][T10295] ksys_ioctl+0xab/0xd0 [ 77.961197][T10295] __x64_sys_ioctl+0x73/0xb0 [ 77.965762][T10295] do_syscall_64+0xfd/0x6a0 [ 77.970243][T10295] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.976122][T10295] RIP: 0033:0x442a19 [ 77.979999][T10295] 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 1b 0c fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.999586][T10295] RSP: 002b:00007ffdf3c48f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 78.007977][T10295] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000442a19 [ 78.015935][T10295] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 78.023890][T10295] RBP: 00000000006cd018 R08: 00000000004002c8 R09: 00000000004002c8 [ 78.031832][T10295] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000403ac0 [ 78.039777][T10295] R13: 0000000000403b50 R14: 0000000000000000 R15: 0000000000000000 [ 78.047726][T10295] Modules linked in: [ 78.051811][T10295] ---[ end trace 5dc50e223794dbda ]--- [ 78.057311][T10295] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 78.062963][T10295] Code: c0 44 89 45 d4 4c 89 4d c8 e8 96 db 5c 00 49 8d 86 98 00 00 00 48 89 c2 48 89 45 b8 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 65 0a 00 00 4d 8b be 98 00 00 00 0f 1f 44 00 00 [ 78.082581][T10295] RSP: 0018:ffff88808cd2f820 EFLAGS: 00010202 [ 78.088627][T10295] RAX: dffffc0000000000 RBX: ffff88808cd2f958 RCX: 0000000000000000 [ 78.096623][T10295] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 78.104630][T10295] RBP: ffff88808cd2f878 R08: 0000000000000000 R09: 0000000000000000 [ 78.112626][T10295] R10: fffff52000bf3070 R11: ffffc90005f98383 R12: 0000000000000000 [ 78.120598][T10295] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88808c522ff0 [ 78.128592][T10295] FS: 0000555555d67880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 78.137544][T10295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.144139][T10295] CR2: 0000000000000000 CR3: 00000000a786b000 CR4: 00000000001426f0 [ 78.152137][T10295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.160085][T10295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.168063][T10295] Kernel panic - not syncing: Fatal exception [ 78.175351][T10295] Kernel Offset: disabled [ 78.179669][T10295] Rebooting in 86400 seconds..