[ 70.308597][ T26] audit: type=1800 audit(1567640917.232:31): pid=10270 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 70.357021][ T26] audit: type=1800 audit(1567640917.242:32): pid=10270 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 mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?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 '10.128.0.73' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 77.843896][ T26] kauditd_printk_skb: 3 callbacks suppressed [ 77.843910][ T26] audit: type=1400 audit(1567640924.822:36): avc: denied { map } for pid=10458 comm="syz-executor087" path="/root/syz-executor087495545" 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 [ 77.847562][T10458] 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. [ 77.906692][T10458] kvm [10458]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x20 [ 77.916828][T10458] kvm [10458]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x40 [ 77.926403][T10458] kvm [10458]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x60 [ 77.935946][T10458] kvm [10458]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x80 [ 77.945492][T10458] kvm [10458]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x94 [ 77.955064][T10458] kvm [10458]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x48c [ 77.964560][T10458] kvm [10458]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000004 data 0x4ac [ 77.974099][T10458] kvm [10458]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000005 data 0x1520 [ 77.983833][T10458] kvm [10458]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000006 data 0x15d4 [ 77.993404][T10458] kvm [10458]: vcpu0, guest rIP: 0xcc Hyper-V uhandled wrmsr: 0x40000007 data 0x15c4 [ 78.007082][T10458] kasan: CONFIG_KASAN_INLINE enabled [ 78.012654][T10458] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 78.020726][T10458] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 78.027767][T10458] CPU: 0 PID: 10458 Comm: syz-executor087 Not tainted 5.3.0-rc7+ #0 [ 78.035909][T10458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.045958][T10458] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 78.051598][T10458] 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 [ 78.071207][T10458] RSP: 0018:ffff88808c69f820 EFLAGS: 00010202 [ 78.077346][T10458] RAX: dffffc0000000000 RBX: ffff88808c69f958 RCX: 0000000000000000 [ 78.085450][T10458] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 78.093409][T10458] RBP: ffff88808c69f878 R08: 0000000000000000 R09: 0000000000000000 [ 78.101376][T10458] R10: fffff52000bee070 R11: ffffc90005f70383 R12: 0000000000000000 [ 78.109339][T10458] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88808b9f2ff0 [ 78.117293][T10458] FS: 0000555555acc880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 78.126212][T10458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.132771][T10458] CR2: 0000000000000000 CR3: 000000009c362000 CR4: 00000000001426f0 [ 78.140722][T10458] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.148673][T10458] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.156636][T10458] Call Trace: [ 78.159913][T10458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.166135][T10458] kvm_apic_set_irq+0x10b/0x170 [ 78.172629][T10458] kvm_hv_process_stimers+0xd55/0x1a10 [ 78.178081][T10458] ? kvm_hv_irq_routing_update+0x410/0x410 [ 78.183864][T10458] ? lock_acquire+0x190/0x410 [ 78.188519][T10458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.194734][T10458] ? __kasan_check_write+0x14/0x20 [ 78.199824][T10458] vcpu_enter_guest+0x4d2/0x5e90 [ 78.204743][T10458] ? mark_held_locks+0xf0/0xf0 [ 78.209480][T10458] ? kvm_vcpu_ioctl+0x181/0xfd0 [ 78.214309][T10458] ? handle_emulation_failure+0x4e0/0x4e0 [ 78.220002][T10458] ? lock_acquire+0x190/0x410 [ 78.224660][T10458] ? kvm_check_async_pf_completion+0x2d8/0x440 [ 78.230794][T10458] kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 78.236319][T10458] ? kvm_arch_vcpu_ioctl_run+0x464/0x1750 [ 78.242030][T10458] kvm_vcpu_ioctl+0x4dc/0xfd0 [ 78.246683][T10458] ? kvm_write_guest_cached+0x40/0x40 [ 78.252032][T10458] ? tomoyo_path_number_perm+0x263/0x520 [ 78.257659][T10458] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 78.263442][T10458] ? put_unused_fd+0x62/0x80 [ 78.268100][T10458] ? rwlock_bug.part.0+0x90/0x90 [ 78.273032][T10458] ? put_unused_fd+0x4f/0x80 [ 78.277613][T10458] ? kvm_write_guest_cached+0x40/0x40 [ 78.282965][T10458] do_vfs_ioctl+0xdb6/0x13e0 [ 78.287533][T10458] ? ioctl_preallocate+0x210/0x210 [ 78.292745][T10458] ? selinux_file_mprotect+0x620/0x620 [ 78.298276][T10458] ? __fget_light+0x1a9/0x230 [ 78.303176][T10458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 78.309421][T10458] ? tomoyo_file_ioctl+0x23/0x30 [ 78.314346][T10458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.320570][T10458] ? security_file_ioctl+0x8d/0xc0 [ 78.325659][T10458] ksys_ioctl+0xab/0xd0 [ 78.329797][T10458] __x64_sys_ioctl+0x73/0xb0 [ 78.334368][T10458] do_syscall_64+0xfd/0x6a0 [ 78.338853][T10458] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.344735][T10458] RIP: 0033:0x442a19 [ 78.348607][T10458] 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 [ 78.368193][T10458] RSP: 002b:00007ffff74c9ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 78.376597][T10458] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000442a19 [ 78.384550][T10458] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 78.392588][T10458] RBP: 00000000006cd018 R08: 00000000004002c8 R09: 00000000004002c8 [ 78.400633][T10458] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000403ac0 [ 78.408595][T10458] R13: 0000000000403b50 R14: 0000000000000000 R15: 0000000000000000 [ 78.416565][T10458] Modules linked in: [ 78.420980][T10458] ---[ end trace bc6ad7df059e2b91 ]--- [ 78.426459][T10458] RIP: 0010:__apic_accept_irq+0x46/0xbc0 [ 78.432244][T10458] 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 [ 78.452046][T10458] RSP: 0018:ffff88808c69f820 EFLAGS: 00010202 [ 78.458099][T10458] RAX: dffffc0000000000 RBX: ffff88808c69f958 RCX: 0000000000000000 [ 78.466110][T10458] RDX: 0000000000000013 RSI: ffffffff811599ba RDI: 0000000000000000 [ 78.474124][T10458] RBP: ffff88808c69f878 R08: 0000000000000000 R09: 0000000000000000 [ 78.482118][T10458] R10: fffff52000bee070 R11: ffffc90005f70383 R12: 0000000000000000 [ 78.490207][T10458] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88808b9f2ff0 [ 78.498655][T10458] FS: 0000555555acc880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 78.507605][T10458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.514217][T10458] CR2: 0000000000000000 CR3: 000000009c362000 CR4: 00000000001426f0 [ 78.522228][T10458] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.530183][T10458] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.538190][T10458] Kernel panic - not syncing: Fatal exception [ 78.546018][T10458] Kernel Offset: disabled [ 78.550358][T10458] Rebooting in 86400 seconds..