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. [ 37.206822] audit: type=1800 audit(1567885552.303:33): pid=7253 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=2465 res=0 [ 37.230703] audit: type=1800 audit(1567885552.303:34): pid=7253 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=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 41.585959] audit: type=1400 audit(1567885556.683:35): avc: denied { map } for pid=7427 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 '10.128.10.47' (ECDSA) to the list of known hosts. [ 150.684895] audit: type=1400 audit(1567885665.783:36): avc: denied { map } for pid=7439 comm="syz-executor081" path="/root/syz-executor081968939" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 150.706614] IPVS: ftp: loaded support on port[0] = 21 [ 150.764656] chnl_net:caif_netlink_parms(): no params data found [ 150.795700] bridge0: port 1(bridge_slave_0) entered blocking state [ 150.802511] bridge0: port 1(bridge_slave_0) entered disabled state [ 150.810005] device bridge_slave_0 entered promiscuous mode [ 150.817348] bridge0: port 2(bridge_slave_1) entered blocking state [ 150.823790] bridge0: port 2(bridge_slave_1) entered disabled state [ 150.831057] device bridge_slave_1 entered promiscuous mode [ 150.846009] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 150.855086] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 150.872241] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 150.880081] team0: Port device team_slave_0 added [ 150.885592] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 150.892733] team0: Port device team_slave_1 added [ 150.898140] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 150.905432] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 150.956371] device hsr_slave_0 entered promiscuous mode [ 151.024347] device hsr_slave_1 entered promiscuous mode [ 151.064824] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 151.071755] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 151.085442] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.091860] bridge0: port 2(bridge_slave_1) entered forwarding state [ 151.098802] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.105204] bridge0: port 1(bridge_slave_0) entered forwarding state [ 151.135670] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 151.141775] 8021q: adding VLAN 0 to HW filter on device bond0 [ 151.150254] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 151.160231] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 151.179999] bridge0: port 1(bridge_slave_0) entered disabled state [ 151.187760] bridge0: port 2(bridge_slave_1) entered disabled state [ 151.196193] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 151.206309] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 151.212512] 8021q: adding VLAN 0 to HW filter on device team0 [ 151.233369] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 151.244254] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 151.255020] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 151.262381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 151.270328] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.276720] bridge0: port 1(bridge_slave_0) entered forwarding state [ 151.283950] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 151.292149] bridge0: port 2(bridge_slave_1) entered blocking state [ 151.298538] bridge0: port 2(bridge_slave_1) entered forwarding state [ 151.305795] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 151.313422] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 151.321127] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 151.328862] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready executing program [ 151.337473] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 151.344449] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 151.357375] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 151.367209] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 256.374047] rcu: INFO: rcu_preempt self-detected stall on CPU [ 256.381551] rcu: 0-...!: (10500 ticks this GP) idle=282/0/0x3 softirq=11945/11945 fqs=0 [ 256.390217] rcu: (t=10500 jiffies g=5021 q=119) [ 256.395059] rcu: rcu_preempt kthread starved for 10500 jiffies! g5021 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 [ 256.405612] rcu: RCU grace-period kthread stack dump: [ 256.410781] rcu_preempt I29624 10 2 0x80000000 [ 256.416400] Call Trace: [ 256.419043] __schedule+0x866/0x1dc0 [ 256.422747] ? pci_mmcfg_check_reserved+0x170/0x170 [ 256.427750] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 256.432879] ? lockdep_hardirqs_on+0x415/0x5d0 [ 256.437495] ? trace_hardirqs_on+0x67/0x220 [ 256.441806] schedule+0x92/0x1c0 [ 256.446126] schedule_timeout+0x4db/0xfc0 [ 256.450263] ? usleep_range+0x170/0x170 [ 256.454309] ? trace_hardirqs_on+0x67/0x220 [ 256.458671] ? kasan_check_read+0x11/0x20 [ 256.462842] ? __next_timer_interrupt+0x1a0/0x1a0 [ 256.467691] ? prepare_to_swait_exclusive+0x120/0x120 [ 256.472886] rcu_gp_kthread+0xd5c/0x2190 [ 256.476948] ? rcu_blocking_is_gp+0x90/0x90 [ 256.481254] ? trace_hardirqs_on+0x67/0x220 [ 256.485559] ? kasan_check_read+0x11/0x20 [ 256.489712] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 256.494837] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 256.500410] ? __kthread_parkme+0xfb/0x1b0 [ 256.504646] kthread+0x354/0x420 [ 256.507996] ? rcu_blocking_is_gp+0x90/0x90 [ 256.512302] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 256.517824] ret_from_fork+0x24/0x30 [ 256.521555] NMI backtrace for cpu 0 [ 256.525182] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.71 #0 [ 256.531314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.540654] Call Trace: [ 256.543223] [ 256.545394] dump_stack+0x172/0x1f0 [ 256.549012] nmi_cpu_backtrace.cold+0x63/0xa4 [ 256.553529] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 256.558452] nmi_trigger_cpumask_backtrace+0x1b0/0x1f8 [ 256.563728] arch_trigger_cpumask_backtrace+0x14/0x20 [ 256.568909] rcu_dump_cpu_stacks+0x189/0x1d5 [ 256.573355] ? wake_up_process+0x10/0x20 [ 256.577413] rcu_check_callbacks.cold+0x5e3/0xd90 [ 256.582250] ? trace_hardirqs_off+0x62/0x220 [ 256.586700] update_process_times+0x32/0x80 [ 256.591029] tick_sched_handle+0xa2/0x190 [ 256.595186] tick_sched_timer+0x47/0x130 [ 256.599242] __hrtimer_run_queues+0x33b/0xdc0 [ 256.603728] ? tick_sched_do_timer+0x1b0/0x1b0 [ 256.608302] ? hrtimer_fixup_activate+0x30/0x30 [ 256.612985] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 256.618002] ? ktime_get_update_offsets_now+0x2d3/0x440 [ 256.623362] hrtimer_interrupt+0x314/0x770 [ 256.627600] smp_apic_timer_interrupt+0x111/0x550 [ 256.632449] apic_timer_interrupt+0xf/0x20 [ 256.636674] RIP: 0010:__sanitizer_cov_trace_pc+0x4c/0x50 [ 256.642121] Code: d0 12 00 00 83 fa 02 75 20 48 8b 88 d8 12 00 00 8b 80 d4 12 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 5d 0f 1f 00 65 4c 8b 04 25 40 ee 01 00 65 8b 05 e0 86 96 7e a9 00 [ 256.661009] RSP: 0018:ffff8880ae807580 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 [ 256.668710] RAX: ffffffff88679ec0 RBX: ffff88809755c2f8 RCX: ffffffff858e8489 [ 256.675967] RDX: 0000000000000100 RSI: ffffffff858e8907 RDI: 0000000000000005 [ 256.683225] RBP: ffff8880ae8075d8 R08: ffffffff88679ec0 R09: 0000000000000005 [ 256.690482] R10: ffffffff8867a808 R11: 00000000034bea2a R12: dffffc0000000000 [ 256.697738] R13: ffff88809755c040 R14: 0000000000000001 R15: 0000000000000000 [ 256.705005] ? apic_timer_interrupt+0xa/0x20 [ 256.709475] ? hhf_dequeue+0xb9/0xa00 [ 256.713269] ? hhf_dequeue+0x537/0xa00 [ 256.717147] ? hhf_dequeue+0x537/0xa00 [ 256.721063] __qdisc_run+0x1e7/0x1960 [ 256.724921] __dev_queue_xmit+0x165c/0x2fe0 [ 256.729238] ? netdev_pick_tx+0x300/0x300 [ 256.733434] ? ip6_finish_output2+0xac0/0x2550 [ 256.738008] ? find_held_lock+0x35/0x130 [ 256.742246] ? ip6_finish_output2+0xb7f/0x2550 [ 256.746820] ? mark_held_locks+0xb1/0x100 [ 256.750963] dev_queue_xmit+0x18/0x20 [ 256.754755] ? dev_queue_xmit+0x18/0x20 [ 256.758757] neigh_resolve_output+0x5b7/0x980 [ 256.763249] ip6_finish_output2+0xb7f/0x2550 [ 256.767644] ? find_held_lock+0x35/0x130 [ 256.771733] ? ip6_mtu+0x2e6/0x460 [ 256.775267] ? ip6_forward_finish+0x4d0/0x4d0 [ 256.779751] ? lock_downgrade+0x810/0x810 [ 256.783889] ? kasan_check_read+0x11/0x20 [ 256.788031] ip6_finish_output+0x574/0xbe0 [ 256.792254] ? ip6_finish_output+0x574/0xbe0 [ 256.796660] ip6_output+0x235/0x7c0 [ 256.800279] ? ip6_finish_output+0xbe0/0xbe0 [ 256.804678] ? ip6_fragment+0x3770/0x3770 [ 256.808816] ? icmp6_dst_alloc+0x432/0x660 [ 256.813093] mld_sendpack+0x9d3/0xeb0 [ 256.816975] ? nf_hook.constprop.0+0x560/0x560 [ 256.821565] ? mld_ifc_timer_expire+0x437/0x8a0 [ 256.826267] ? __local_bh_enable_ip+0x15a/0x270 [ 256.830927] mld_ifc_timer_expire+0x449/0x8a0 [ 256.835419] call_timer_fn+0x18d/0x720 [ 256.839296] ? mld_dad_timer_expire+0x1c0/0x1c0 [ 256.843959] ? process_timeout+0x40/0x40 [ 256.848006] ? run_timer_softirq+0x647/0x1700 [ 256.852493] ? trace_hardirqs_on+0x67/0x220 [ 256.856806] ? kasan_check_read+0x11/0x20 [ 256.860945] ? mld_dad_timer_expire+0x1c0/0x1c0 [ 256.865617] run_timer_softirq+0x652/0x1700 [ 256.869932] ? add_timer+0xbe0/0xbe0 [ 256.873695] ? kvm_clock_read+0x18/0x30 [ 256.877705] ? check_preemption_disabled+0x48/0x290 [ 256.882741] ? sched_clock+0x2e/0x50 [ 256.886468] __do_softirq+0x25c/0x921 [ 256.890259] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.895785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 256.901338] irq_exit+0x180/0x1d0 [ 256.904870] smp_apic_timer_interrupt+0x13b/0x550 [ 256.909704] apic_timer_interrupt+0xf/0x20 [ 256.913924] [ 256.916152] RIP: 0010:native_safe_halt+0xe/0x10 [ 256.920834] Code: ff ff 48 89 df e8 82 1b ae fa eb 82 e9 07 00 00 00 0f 00 2d a4 fc 53 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 94 fc 53 00 fb f4 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 ce fd 65 fa e8 39 [ 256.939725] RSP: 0018:ffffffff88607ca8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 256.947426] RAX: 1ffffffff10e48c4 RBX: ffffffff88679ec0 RCX: 0000000000000000 [ 256.954683] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff8867a73c [ 256.961938] RBP: ffffffff88607cd8 R08: ffffffff88679ec0 R09: 0000000000000000 [ 256.969195] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 256.976454] R13: ffffffff88724610 R14: 0000000000000000 R15: 0000000000000000 [ 256.983766] ? default_idle+0x4e/0x320 [ 256.987687] arch_cpu_idle+0xa/0x10 [ 256.991313] default_idle_call+0x36/0x90 [ 256.995401] do_idle+0x377/0x560 [ 256.998759] ? arch_cpu_idle_exit+0x80/0x80 [ 257.003076] cpu_startup_entry+0xc8/0xe0 [ 257.007126] ? cpu_in_idle+0x20/0x20 [ 257.010837] rest_init+0x219/0x222 [ 257.014407] start_kernel+0x88c/0x8c5 [ 257.018226] ? mem_encrypt_init+0xb/0xb [ 257.022193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.027718] ? x86_family+0x41/0x50 [ 257.031333] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 257.036865] x86_64_start_reservations+0x29/0x2b [ 257.041609] x86_64_start_kernel+0x77/0x7b [ 257.045861] secondary_startup_64+0xa4/0xb0