[ 52.187996][ T26] audit: type=1800 audit(1567643218.694:21): pid=9095 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 52.238241][ T26] audit: type=1800 audit(1567643218.694:22): pid=9095 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [ 52.269355][ T26] audit: type=1800 audit(1567643218.704:23): pid=9095 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rsyslog" dev="sda1" ino=2442 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.23' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 63.076436][ T9246] 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. [ 63.101448][ T9246] kvm [9246]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x20 [ 63.110644][ T9246] kvm [9246]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x40 [ 63.119971][ T9246] kvm [9246]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x60 [ 63.129208][ T9246] kvm [9246]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x80 [ 63.138421][ T9246] kvm [9246]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x94 [ 63.147639][ T9246] kvm [9246]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x48c [ 63.157003][ T9246] kvm [9246]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x4ac [ 63.166320][ T9246] kvm [9246]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000005 data 0x1520 [ 63.175716][ T9246] kvm [9246]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000006 data 0x15d4 [ 63.185118][ T9246] kvm [9246]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000007 data 0x15c4 [ 63.197701][ T9246] kasan: CONFIG_KASAN_INLINE enabled [ 63.202970][ T9246] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 63.211058][ T9246] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 63.217960][ T9246] CPU: 1 PID: 9246 Comm: syz-executor069 Not tainted 5.3.0-rc7+ #0 [ 63.225808][ T9246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.235837][ T9246] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 63.241433][ T9246] 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 [ 63.261003][ T9246] RSP: 0018:ffff88809060f8d0 EFLAGS: 00010202 [ 63.267030][ T9246] RAX: dffffc0000000000 RBX: ffff88809060fa08 RCX: 0000000000000000 [ 63.274964][ T9246] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 63.282902][ T9246] RBP: ffff88809060f928 R08: 0000000000000000 R09: 0000000000000000 [ 63.290843][ T9246] R10: fffff52000be9870 R11: ffffc90005f4c383 R12: 0000000000000000 [ 63.298781][ T9246] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88809824aff0 [ 63.306718][ T9246] FS: 0000000000000000(0000) GS:ffff8880ae900000(0063) knlGS:0000000056b83840 [ 63.315612][ T9246] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 63.322158][ T9246] CR2: 0000000000000000 CR3: 00000000901b2000 CR4: 00000000001426e0 [ 63.330095][ T9246] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.338029][ T9246] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.345963][ T9246] Call Trace: [ 63.349218][ T9246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.355424][ T9246] kvm_apic_set_irq+0x10b/0x170 [ 63.360239][ T9246] kvm_hv_process_stimers+0xd55/0x1a10 [ 63.365663][ T9246] ? kvm_hv_irq_routing_update+0x410/0x410 [ 63.371435][ T9246] ? lock_acquire+0x190/0x410 [ 63.376075][ T9246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.382279][ T9246] ? __kasan_check_write+0x14/0x20 [ 63.387355][ T9246] vcpu_enter_guest+0x4d2/0x5e90 [ 63.392255][ T9246] ? mark_held_locks+0xf0/0xf0 [ 63.396983][ T9246] ? handle_emulation_failure+0x4e0/0x4e0 [ 63.402665][ T9246] ? lock_acquire+0x190/0x410 [ 63.407307][ T9246] ? kvm_check_async_pf_completion+0x2d8/0x440 [ 63.413425][ T9246] kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 63.418935][ T9246] ? kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 63.424618][ T9246] kvm_vcpu_ioctl+0x4dc/0xfd0 [ 63.429257][ T9246] ? kvm_write_guest_cached+0x40/0x40 [ 63.434593][ T9246] ? put_unused_fd+0x4f/0x80 [ 63.439151][ T9246] kvm_vcpu_compat_ioctl+0x1c4/0x3a0 [ 63.444400][ T9246] ? kvm_vcpu_ioctl+0xfd0/0xfd0 [ 63.449214][ T9246] ? tomoyo_file_ioctl+0x23/0x30 [ 63.454115][ T9246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.460316][ T9246] ? security_file_ioctl+0x8d/0xc0 [ 63.465393][ T9246] ? kvm_vcpu_ioctl+0xfd0/0xfd0 [ 63.470207][ T9246] __ia32_compat_sys_ioctl+0x195/0x620 [ 63.475632][ T9246] do_fast_syscall_32+0x27b/0xdb3 [ 63.480622][ T9246] entry_SYSENTER_compat+0x70/0x7f [ 63.485699][ T9246] RIP: 0023:0xf7f36a29 [ 63.489733][ T9246] Code: b8 80 96 98 00 eb cc 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 63.509313][ T9246] RSP: 002b:00000000ffe00b9c EFLAGS: 00000217 ORIG_RAX: 0000000000000036 [ 63.517689][ T9246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000000ae80 [ 63.525627][ T9246] RDX: 0000000000000000 RSI: 0000000000000036 RDI: 00000000ffffffff [ 63.533564][ T9246] RBP: 000000004020ae46 R08: 0000000000000000 R09: 0000000000000000 [ 63.541501][ T9246] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 63.549435][ T9246] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 63.557374][ T9246] Modules linked in: [ 63.562050][ T9246] ---[ end trace fa895c4d10ca4a07 ]--- [ 63.567499][ T9246] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 63.573153][ T9246] 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 [ 63.592759][ T9246] RSP: 0018:ffff88809060f8d0 EFLAGS: 00010202 [ 63.598795][ T9246] RAX: dffffc0000000000 RBX: ffff88809060fa08 RCX: 0000000000000000 [ 63.606754][ T9246] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 63.614716][ T9246] RBP: ffff88809060f928 R08: 0000000000000000 R09: 0000000000000000 [ 63.622675][ T9246] R10: fffff52000be9870 R11: ffffc90005f4c383 R12: 0000000000000000 [ 63.630620][ T9246] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88809824aff0 [ 63.638587][ T9246] FS: 0000000000000000(0000) GS:ffff8880ae900000(0063) knlGS:0000000056b83840 [ 63.647518][ T9246] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 63.654085][ T9246] CR2: ffffffffff600400 CR3: 00000000901b2000 CR4: 00000000001426e0 [ 63.662044][ T9246] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.669989][ T9246] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.677956][ T9246] Kernel panic - not syncing: Fatal exception [ 63.685208][ T9246] Kernel Offset: disabled [ 63.689518][ T9246] Rebooting in 86400 seconds..