[ 37.702419] audit: type=1800 audit(1549544522.889:25): pid=7659 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 37.735111] audit: type=1800 audit(1549544522.889:26): pid=7659 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 37.755471] audit: type=1800 audit(1549544522.889:27): pid=7659 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 37.790035] audit: type=1800 audit(1549544522.889:28): pid=7659 uid=0 auid=4294967295 ses=4294967295 subj=_ 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 OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.54' (ECDSA) to the list of known hosts. 2019/02/07 13:03:04 parsed 1 programs 2019/02/07 13:03:07 executed programs: 0 syzkaller login: [ 102.015436] IPVS: ftp: loaded support on port[0] = 21 [ 102.020955] IPVS: ftp: loaded support on port[0] = 21 [ 102.062045] IPVS: ftp: loaded support on port[0] = 21 [ 102.062052] IPVS: ftp: loaded support on port[0] = 21 [ 102.074389] IPVS: ftp: loaded support on port[0] = 21 [ 102.096620] IPVS: ftp: loaded support on port[0] = 21 [ 102.326404] chnl_net:caif_netlink_parms(): no params data found [ 102.408490] chnl_net:caif_netlink_parms(): no params data found [ 102.460373] chnl_net:caif_netlink_parms(): no params data found [ 102.524772] chnl_net:caif_netlink_parms(): no params data found [ 102.571595] chnl_net:caif_netlink_parms(): no params data found [ 102.585754] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.595000] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.602783] device bridge_slave_0 entered promiscuous mode [ 102.655748] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.662289] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.669778] device bridge_slave_1 entered promiscuous mode [ 102.676080] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.683024] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.690659] device bridge_slave_0 entered promiscuous mode [ 102.729480] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.735864] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.744311] device bridge_slave_1 entered promiscuous mode [ 102.775883] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.782356] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.789926] device bridge_slave_0 entered promiscuous mode [ 102.796365] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.803588] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.810840] device bridge_slave_0 entered promiscuous mode [ 102.823565] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.830122] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.837154] device bridge_slave_1 entered promiscuous mode [ 102.850841] chnl_net:caif_netlink_parms(): no params data found [ 102.869979] bridge0: port 2(bridge_slave_1) entered blocking state [ 102.876375] bridge0: port 2(bridge_slave_1) entered disabled state [ 102.884392] device bridge_slave_1 entered promiscuous mode [ 102.893129] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 102.910272] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 102.936683] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 102.958204] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 102.965883] bridge0: port 1(bridge_slave_0) entered blocking state [ 102.974928] bridge0: port 1(bridge_slave_0) entered disabled state [ 102.982493] device bridge_slave_0 entered promiscuous mode [ 103.013517] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 103.032655] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.039898] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.046845] device bridge_slave_1 entered promiscuous mode [ 103.054822] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 103.071119] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 103.081877] team0: Port device team_slave_0 added [ 103.093598] team0: Port device team_slave_1 added [ 103.107233] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 103.115383] bridge0: port 1(bridge_slave_0) entered blocking state [ 103.121823] bridge0: port 1(bridge_slave_0) entered disabled state [ 103.129064] device bridge_slave_0 entered promiscuous mode [ 103.139652] bridge0: port 2(bridge_slave_1) entered blocking state [ 103.145992] bridge0: port 2(bridge_slave_1) entered disabled state [ 103.152902] device bridge_slave_1 entered promiscuous mode [ 103.160136] team0: Port device team_slave_0 added [ 103.166548] team0: Port device team_slave_1 added [ 103.186548] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 103.280545] device hsr_slave_0 entered promiscuous mode [ 103.337717] device hsr_slave_1 entered promiscuous mode [ 103.379062] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 103.388023] team0: Port device team_slave_0 added [ 103.415322] team0: Port device team_slave_0 added [ 103.422490] team0: Port device team_slave_0 added [ 103.435589] team0: Port device team_slave_1 added [ 103.448800] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 103.457743] team0: Port device team_slave_1 added [ 103.463667] team0: Port device team_slave_1 added [ 103.487706] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 103.559524] device hsr_slave_0 entered promiscuous mode [ 103.598066] device hsr_slave_1 entered promiscuous mode [ 103.710345] device hsr_slave_0 entered promiscuous mode [ 103.747823] device hsr_slave_1 entered promiscuous mode [ 103.850463] device hsr_slave_0 entered promiscuous mode [ 103.907700] device hsr_slave_1 entered promiscuous mode [ 104.020411] device hsr_slave_0 entered promiscuous mode [ 104.057686] device hsr_slave_1 entered promiscuous mode [ 104.100493] team0: Port device team_slave_0 added [ 104.107217] team0: Port device team_slave_1 added [ 104.191103] device hsr_slave_0 entered promiscuous mode [ 104.257661] device hsr_slave_1 entered promiscuous mode [ 104.390915] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.431858] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 104.440359] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 104.450820] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.471786] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.482541] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.493897] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.500600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 104.508440] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 104.515981] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.522438] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.545793] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 104.553096] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 104.561493] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 104.569178] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.575506] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.583133] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 104.591181] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 104.599416] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 104.609909] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 104.618027] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 104.625647] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 104.634002] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 104.653632] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.668942] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.679765] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.686307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 104.694340] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 104.702318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 104.709676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 104.716646] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 104.724540] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 104.732444] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 104.739444] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 104.750628] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 104.761787] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 104.771803] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.790991] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.801650] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 104.809779] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 104.817101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 104.825450] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 104.833132] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.839534] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.846345] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 104.854668] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 104.862388] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.868818] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.875542] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 104.884144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 104.891750] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.898124] bridge0: port 2(bridge_slave_1) entered forwarding state [ 104.904989] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 104.912483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 104.919951] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 104.927103] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 104.949664] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.962760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 104.972968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 104.981461] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.987874] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.995303] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 105.003184] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 105.012049] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.018444] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.025164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 105.032938] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 105.040794] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 105.048749] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 105.056387] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 105.064284] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 105.072092] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.078503] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.085328] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 105.103228] 8021q: adding VLAN 0 to HW filter on device team0 [ 105.129807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 105.141670] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 105.149866] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.156198] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.163696] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 105.170548] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 105.177451] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 105.185177] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 105.193299] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 105.201533] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 105.209292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 105.216965] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 105.224658] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 105.232257] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 105.240215] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 105.248559] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 105.256065] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 105.264037] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 105.271805] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.278197] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.285308] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 105.292498] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 105.299601] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 105.312660] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 105.323546] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 105.345686] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 105.356144] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 105.379761] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 105.389992] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 105.397785] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 105.405200] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 105.412990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 105.420879] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 105.428670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 105.436286] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 105.443936] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 105.451752] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 105.459429] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 105.466827] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 105.474249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 105.482050] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 105.489882] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 105.497196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 105.504819] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 105.513475] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 105.520366] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 105.527322] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 105.541515] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 105.558872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 105.566685] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 105.574563] bridge0: port 1(bridge_slave_0) entered blocking state [ 105.580958] bridge0: port 1(bridge_slave_0) entered forwarding state [ 105.589541] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 105.614378] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.637168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 105.645863] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 105.654279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 105.662537] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 105.671357] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 105.679441] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 105.686771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 105.694494] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 105.701998] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 105.709874] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 105.717710] bridge0: port 2(bridge_slave_1) entered blocking state [ 105.724101] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.730976] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 105.738965] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 105.746796] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 105.755447] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 105.763163] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 105.770438] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 105.780554] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 105.802342] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.831803] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.849150] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.891669] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.947718] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 105.955604] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 105.966280] hrtimer: interrupt took 49773 ns [ 105.995199] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 106.050531] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 106.107871] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 106.155895] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 106.200963] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 106.331591] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/02/07 13:03:12 executed programs: 10 2019/02/07 13:03:18 executed programs: 42 2019/02/07 13:03:23 executed programs: 78 2019/02/07 13:03:28 executed programs: 113 2019/02/07 13:03:34 executed programs: 144 2019/02/07 13:03:39 executed programs: 178 2019/02/07 13:03:44 executed programs: 210 2019/02/07 13:03:49 executed programs: 245 2019/02/07 13:03:55 executed programs: 276 [ 257.207265] rcu: INFO: rcu_preempt self-detected stall on CPU [ 257.213342] rcu: 0-....: (10499 ticks this GP) idle=d02/1/0x4000000000000002 softirq=13779/13779 fqs=5238 [ 257.223413] rcu: (t=10500 jiffies g=11657 q=1546) [ 257.228420] NMI backtrace for cpu 0 [ 257.232028] CPU: 0 PID: 9826 Comm: syz-executor0 Not tainted 5.0.0-rc5+ #61 [ 257.239106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 257.248441] Call Trace: [ 257.251004] [ 257.253205] dump_stack+0x172/0x1f0 [ 257.256822] nmi_cpu_backtrace.cold+0x63/0xa4 [ 257.261344] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 257.266260] nmi_trigger_cpumask_backtrace+0x1be/0x236 [ 257.271520] arch_trigger_cpumask_backtrace+0x14/0x20 [ 257.276722] rcu_dump_cpu_stacks+0x183/0x1cf [ 257.281150] ? find_next_bit+0x107/0x130 [ 257.285204] rcu_check_callbacks.cold+0x500/0xa4a [ 257.290062] ? raise_softirq+0x11f/0x310 [ 257.294129] update_process_times+0x32/0x80 [ 257.298466] tick_sched_handle+0xa2/0x190 [ 257.302618] tick_sched_timer+0x47/0x130 [ 257.306665] __hrtimer_run_queues+0x33e/0xde0 [ 257.311147] ? tick_sched_do_timer+0x1b0/0x1b0 [ 257.315714] ? hrtimer_start_range_ns+0xc80/0xc80 [ 257.320585] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 257.325596] ? ktime_get_update_offsets_now+0x2d9/0x440 [ 257.330964] hrtimer_interrupt+0x314/0x770 [ 257.335229] smp_apic_timer_interrupt+0x120/0x570 [ 257.340058] apic_timer_interrupt+0xf/0x20 [ 257.344270] [ 257.346507] RIP: 0010:memcpy_erms+0x8/0x10 [ 257.350726] Code: 90 90 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 f3 a4 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe 7c 35 [ 257.369613] RSP: 0018:ffff88808fd171b8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 257.377305] RAX: ffff888092eb1798 RBX: 0000000000000868 RCX: 0000000000000000 [ 257.384555] RDX: 0000000000000010 RSI: ffff88808fd17348 RDI: ffff888092eb17a8 [ 257.391815] RBP: ffff88808fd171d8 R08: 1ffff110125d62f3 R09: ffffed10125d62f5 [ 257.399072] R10: ffffed10125d62f4 R11: ffff888092eb17a7 R12: 0000000000000010 [ 257.406322] R13: ffff888092eb1798 R14: ffff88808fd17338 R15: ffff88808fd17550 [ 257.413632] ? memcpy+0x46/0x50 [ 257.416915] perf_output_read+0xe16/0x1390 [ 257.421139] ? perf_event_namespaces.part.0+0x1c0/0x1c0 [ 257.426527] ? __lock_acquire+0x53b/0x4700 [ 257.430748] ? mark_held_locks+0xb1/0x100 [ 257.434903] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 257.439666] ? perf_output_copy+0x188/0x210 [ 257.443973] perf_output_sample+0x13b9/0x1a90 [ 257.448482] ? __perf_event_header__init_id.isra.0+0x33b/0x490 [ 257.454440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 257.459957] ? perf_prepare_sample+0x829/0x1520 [ 257.464625] ? perf_event__output_id_sample+0x90/0x90 [ 257.469797] ? perf_callchain+0x1c0/0x1c0 [ 257.473930] perf_event_output_forward+0x150/0x290 [ 257.478846] ? perf_prepare_sample+0x1520/0x1520 [ 257.483583] ? lockdep_hardirqs_on+0x415/0x5d0 [ 257.488201] ? __this_cpu_preempt_check+0x1d/0x30 [ 257.493029] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 257.498550] ? __perf_event_account_interrupt+0x100/0x2e0 [ 257.504075] __perf_event_overflow+0x144/0x360 [ 257.508644] perf_swevent_overflow+0xaa/0x140 [ 257.513125] perf_swevent_event+0x1f7/0x2f0 [ 257.517431] ___perf_sw_event+0x31c/0x570 [ 257.521579] ? preempt_schedule+0x4b/0x60 [ 257.525714] ? preempt_schedule_common+0x4f/0xe0 [ 257.530454] ? perf_pending_event+0x110/0x110 [ 257.534944] ? preempt_schedule+0x4b/0x60 [ 257.539074] ? ___preempt_schedule+0x16/0x18 [ 257.543480] ? _raw_spin_unlock_irqrestore+0xbd/0xe0 [ 257.548622] ? migrate_swap_stop+0x920/0x920 [ 257.553014] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 257.558098] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 257.563185] ? lockdep_hardirqs_on+0x415/0x5d0 [ 257.567757] ? kasan_check_write+0x14/0x20 [ 257.571972] ? wake_up_q+0xaa/0x100 [ 257.575581] ? rwsem_wake+0x1f8/0x2f0 [ 257.579364] ? rwsem_downgrade_wake+0x120/0x120 [ 257.584027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.589549] ? check_preemption_disabled+0x48/0x290 [ 257.594789] __perf_sw_event+0x51/0xa0 [ 257.598659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 257.604180] ? __perf_sw_event+0x51/0xa0 [ 257.608324] __do_page_fault+0x734/0xd60 [ 257.612376] do_page_fault+0x71/0x581 [ 257.616159] page_fault+0x1e/0x30 [ 257.619595] RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 [ 257.625466] Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 [ 257.644357] RSP: 0018:ffff88808fd17b40 EFLAGS: 00010206 [ 257.649704] RAX: 0000000000000000 RBX: 0000000000001000 RCX: 0000000000000340 [ 257.656958] RDX: 0000000000001000 RSI: 000000002081d000 RDI: ffff88808b047cc0 [ 257.664235] RBP: ffff88808fd17b78 R08: ffffed1011609000 R09: 0000000000000000 [ 257.671487] R10: ffffed1011608fff R11: ffff88808b047fff R12: 000000002081c340 [ 257.678740] R13: ffff88808b047000 R14: 000000002081d340 R15: 00007ffffffff000 [ 257.686009] ? copyin+0xe2/0x100 [ 257.689367] copy_page_from_iter+0x324/0x750 [ 257.693855] pipe_write+0x27d/0xfb0 [ 257.697478] __vfs_write+0x613/0x8e0 [ 257.701174] ? kernel_read+0x120/0x120 [ 257.705066] ? rw_verify_area+0x118/0x360 [ 257.709227] vfs_write+0x20c/0x580 [ 257.712765] ksys_write+0xea/0x1f0 [ 257.716310] ? __ia32_sys_read+0xb0/0xb0 [ 257.720381] ? do_syscall_64+0x26/0x610 [ 257.724340] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 257.729686] ? do_syscall_64+0x26/0x610 [ 257.733649] __x64_sys_write+0x73/0xb0 [ 257.737522] do_syscall_64+0x103/0x610 [ 257.741394] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 257.746563] RIP: 0033:0x457e39 [ 257.749748] Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 257.768640] RSP: 002b:00007f21b6591c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 257.776337] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39 [ 257.783644] RDX: 0000000041395527 RSI: 0000000020000340 RDI: 0000000000000006 [ 257.790898] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 257.798148] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21b65926d4 [ 257.805398] R13: 00000000004c3c0e R14: 00000000004dc3a8 R15: 00000000ffffffff