[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 31.162022] random: sshd: uninitialized urandom read (32 bytes read) [ 31.540838] audit: type=1400 audit(1536620361.855:6): avc: denied { map } for pid=5515 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 [ 31.599124] random: sshd: uninitialized urandom read (32 bytes read) [ 32.168370] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 84.437438] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.39' (ECDSA) to the list of known hosts. [ 90.017792] random: sshd: uninitialized urandom read (32 bytes read) [ 90.153214] audit: type=1400 audit(1536620420.465:7): avc: denied { map } for pid=5530 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2018/09/10 23:00:20 parsed 1 programs [ 90.658345] audit: type=1400 audit(1536620420.975:8): avc: denied { map } for pid=5530 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=14693 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 91.351018] random: cc1: uninitialized urandom read (8 bytes read) 2018/09/10 23:00:22 executed programs: 0 [ 92.476277] audit: type=1400 audit(1536620422.785:9): avc: denied { map } for pid=5530 comm="syz-execprog" path="/root/syzkaller-shm858519905" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 92.511522] IPVS: ftp: loaded support on port[0] = 21 [ 92.636873] ip (5558) used greatest stack depth: 16888 bytes left [ 92.785307] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.792152] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.799759] device bridge_slave_0 entered promiscuous mode [ 92.824855] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.831636] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.839323] device bridge_slave_1 entered promiscuous mode [ 92.869225] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 92.887284] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 92.937418] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 92.957350] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 93.032685] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 93.040713] team0: Port device team_slave_0 added [ 93.057978] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 93.065071] team0: Port device team_slave_1 added [ 93.083367] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 93.103680] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 93.122913] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 93.142745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 93.291420] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.297902] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.304676] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.311053] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.841545] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.894048] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 93.946482] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 93.952622] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 93.960102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 94.004652] 8021q: adding VLAN 0 to HW filter on device team0 [ 94.320401] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/l1tf.html for details. [ 95.323823] kasan: CONFIG_KASAN_INLINE enabled [ 95.328839] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 95.337188] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 95.343444] CPU: 0 PID: 5915 Comm: syz-executor0 Not tainted 4.19.0-rc3+ #10 [ 95.350635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.359995] RIP: 0010:kvm_pv_send_ipi+0x364/0xdd0 [ 95.364833] Code: 45 84 ed 0f 84 da 07 00 00 e8 b8 d4 65 00 48 8d 4b 14 48 b8 00 00 00 00 00 fc ff df 48 89 ca 48 89 8d 70 fe ff ff 48 c1 ea 03 <0f> b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 f5 [ 95.383733] RSP: 0018:ffff8801d2b17028 EFLAGS: 00010203 [ 95.389089] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000014 [ 95.396349] RDX: 0000000000000002 RSI: ffffffff8118fc08 RDI: 0000000000000005 [ 95.403625] RBP: ffff8801d2b171c8 R08: ffff8801d25e83c0 R09: 1ffffffff12b43d5 [ 95.410900] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d2b171a0 [ 95.418166] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8801d2b17120 [ 95.425436] FS: 00007f151f850700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 95.433662] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.439536] CR2: 0000000000000000 CR3: 00000001d2582000 CR4: 00000000001426f0 [ 95.446801] Call Trace: [ 95.449386] ? __lock_is_held+0xb5/0x140 [ 95.453441] ? graph_lock+0x170/0x170 [ 95.457240] ? kvm_apic_set_irq+0x170/0x170 [ 95.461569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.467106] ? check_preemption_disabled+0x48/0x200 [ 95.472122] ? check_preemption_disabled+0x48/0x200 [ 95.477145] ? __lock_is_held+0xb5/0x140 [ 95.481216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.486764] ? vmx_read_guest_seg_ar+0x221/0x270 [ 95.491538] kvm_emulate_hypercall+0xa1a/0xf20 [ 95.496153] ? kvm_gen_update_masterclock+0x350/0x350 [ 95.501357] ? graph_lock+0x170/0x170 [ 95.505162] ? vmx_vcpu_run+0x135b/0x2700 [ 95.510440] ? vmx_vcpu_run+0x134f/0x2700 [ 95.514581] ? vmx_vcpu_run+0x135b/0x2700 [ 95.518726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.524265] ? check_preemption_disabled+0x48/0x200 [ 95.529310] ? check_preemption_disabled+0x48/0x200 [ 95.534324] ? __lock_is_held+0xb5/0x140 [ 95.538397] handle_vmcall+0x15/0x20 [ 95.542099] ? handle_io+0x100/0x100 [ 95.545801] vmx_handle_exit+0x2f7/0x17e0 [ 95.549956] ? lock_acquire+0x1ed/0x520 [ 95.553925] ? vcpu_enter_guest+0x12f2/0x62e0 [ 95.558411] ? vcpu_enter_guest+0x1271/0x62e0 [ 95.562895] ? handle_vmfunc+0x9d0/0x9d0 [ 95.566955] ? trace_hardirqs_on+0xbd/0x310 [ 95.571266] ? kvm_arch_vcpu_ioctl_run+0x375/0x16e0 [ 95.576274] ? check_preemption_disabled+0x48/0x200 [ 95.581276] ? check_preemption_disabled+0x48/0x200 [ 95.586289] vcpu_enter_guest+0x14a9/0x62e0 [ 95.590599] ? __phys_addr+0xa6/0x120 [ 95.594388] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 95.599923] ? vmcs_load+0xd8/0x150 [ 95.603556] ? emulator_read_emulated+0x50/0x50 [ 95.608222] ? vmx_vcpu_load+0xb06/0x1030 [ 95.612359] ? vmx_write_tsc_offset+0x680/0x680 [ 95.617015] ? graph_lock+0x170/0x170 [ 95.620805] ? drop_futex_key_refs.isra.15+0x6d/0xe0 [ 95.625898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.631451] ? check_preemption_disabled+0x48/0x200 [ 95.636468] ? check_preemption_disabled+0x48/0x200 [ 95.641480] ? __lock_is_held+0xb5/0x140 [ 95.645566] ? kvm_check_async_pf_completion+0x3ae/0x5c0 [ 95.651012] ? kvm_clear_async_pf_completion_queue+0x770/0x770 [ 95.656986] ? kvm_arch_dev_ioctl+0x630/0x630 [ 95.661473] ? preempt_notifier_dec+0x20/0x20 [ 95.665958] kvm_arch_vcpu_ioctl_run+0x375/0x16e0 [ 95.670789] ? kvm_arch_vcpu_ioctl_run+0x375/0x16e0 [ 95.675800] kvm_vcpu_ioctl+0x72b/0x1150 [ 95.679850] ? kvm_vcpu_block+0x1030/0x1030 [ 95.684163] ? find_held_lock+0x36/0x1c0 [ 95.688213] ? __fget+0x4aa/0x740 [ 95.691665] ? check_preemption_disabled+0x48/0x200 [ 95.696678] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 95.702464] ? kasan_check_read+0x11/0x20 [ 95.706603] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 95.711866] ? rcu_bh_qs+0xc0/0xc0 [ 95.715400] ? __fget+0x4d1/0x740 [ 95.718841] ? ksys_dup3+0x680/0x680 [ 95.722571] ? fget_raw+0x20/0x20 [ 95.726015] ? kvm_vcpu_block+0x1030/0x1030 [ 95.730346] do_vfs_ioctl+0x1de/0x1720 [ 95.734231] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 95.739434] ? ioctl_preallocate+0x300/0x300 [ 95.743845] ? selinux_file_mprotect+0x620/0x620 [ 95.748638] ? mqueue_flush_file+0x110/0x110 [ 95.753036] ? __x64_sys_futex+0x47f/0x6a0 [ 95.757291] ? do_syscall_64+0x9a/0x820 [ 95.761264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 95.766795] ? security_file_ioctl+0x94/0xc0 [ 95.771281] ksys_ioctl+0xa9/0xd0 [ 95.774723] __x64_sys_ioctl+0x73/0xb0 [ 95.778600] do_syscall_64+0x1b9/0x820 [ 95.782477] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 95.787834] ? syscall_return_slowpath+0x5e0/0x5e0 [ 95.792758] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 95.797590] ? trace_hardirqs_on_caller+0x310/0x310 [ 95.802596] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 95.807601] ? prepare_exit_to_usermode+0x291/0x3b0 [ 95.812608] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 95.817445] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.822623] RIP: 0033:0x4572a9 [ 95.825809] Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.844719] RSP: 002b:00007f151f84fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 95.852421] RAX: ffffffffffffffda RBX: 00007f151f8506d4 RCX: 00000000004572a9 [ 95.859682] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 95.866946] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 [ 95.874211] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 95.881474] R13: 00000000004cf9b0 R14: 00000000004c5c37 R15: 0000000000000000 [ 95.888751] Modules linked in: [ 95.891957] Dumping ftrace buffer: [ 95.895479] (ftrace buffer empty) [ 95.902701] ---[ end trace 7141a942619eadaf ]--- [ 95.907551] RIP: 0010:kvm_pv_send_ipi+0x364/0xdd0 [ 95.912440] Code: 45 84 ed 0f 84 da 07 00 00 e8 b8 d4 65 00 48 8d 4b 14 48 b8 00 00 00 00 00 fc ff df 48 89 ca 48 89 8d 70 fe ff ff 48 c1 ea 03 <0f> b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 f5 [ 95.931462] RSP: 0018:ffff8801d2b17028 EFLAGS: 00010203 [ 95.936861] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000014 [ 95.944155] RDX: 0000000000000002 RSI: ffffffff8118fc08 RDI: 0000000000000005 [ 95.951517] RBP: ffff8801d2b171c8 R08: ffff8801d25e83c0 R09: 1ffffffff12b43d5 [ 95.958840] R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: ffff8801d2b171a0 [ 95.966108] R13: 0000000000000001 R14: 0000000000000000 R15: ffff8801d2b17120 [ 95.973508] FS: 00007f151f850700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 95.981767] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.987802] CR2: 00007fe5ea6a7000 CR3: 00000001d2582000 CR4: 00000000001426f0 [ 95.995081] Kernel panic - not syncing: Fatal exception [ 96.000796] Dumping ftrace buffer: [ 96.004332] (ftrace buffer empty) [ 96.008590] Kernel Offset: disabled [ 96.012219] Rebooting in 86400 seconds..