[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.142683][ T23] audit: type=1800 audit(1575409711.789:25): pid=8108 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.171631][ T23] audit: type=1800 audit(1575409711.789:26): pid=8108 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.210925][ T23] audit: type=1800 audit(1575409711.789:27): pid=8108 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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 '10.128.1.35' (ECDSA) to the list of known hosts. 2019/12/03 21:48:42 fuzzer started 2019/12/03 21:48:43 dialing manager at 10.128.0.26:42111 2019/12/03 21:48:43 syscalls: 2689 2019/12/03 21:48:43 code coverage: enabled 2019/12/03 21:48:43 comparison tracing: enabled 2019/12/03 21:48:43 extra coverage: extra coverage is not supported by the kernel 2019/12/03 21:48:43 setuid sandbox: enabled 2019/12/03 21:48:43 namespace sandbox: enabled 2019/12/03 21:48:43 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 21:48:43 fault injection: enabled 2019/12/03 21:48:43 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 21:48:43 net packet injection: enabled 2019/12/03 21:48:43 net device setup: enabled 2019/12/03 21:48:43 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 21:48:43 devlink PCI setup: PCI device 0000:00:10.0 is not available syzkaller login: [ 56.026267][ T8268] ld (8268) used greatest stack depth: 23592 bytes left 21:48:44 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="081bd66508f22ce87b1071") r1 = socket(0x1e, 0x5, 0x0) ioctl$int_in(r1, 0x5421, &(0x7f0000000080)=0x9) r2 = socket(0x1e, 0x2, 0x0) bind(r2, &(0x7f0000d80f80)=@generic={0x1e, "0103000000000000000000000000000009a979f321b30c7bc8790405c7bad62e0a43a632ed4938d36d73fb8f8401a3ff59829a2b0afe7ce43a4b2470a0c5216669ca021f6f65dcf160e7e58f358c0002f0000158d19bcb31f1314a8ef151622ca5bdb9c8ead2000077aeb81c90001d6d7c980ee590c8b9f70dc136cb184a"}, 0x80) connect$tipc(r1, &(0x7f0000000000)=@name, 0x10) close(r1) close(r2) 21:48:44 executing program 1: r0 = syz_open_dev$sg(&(0x7f0000001580)='/dev/sg#\x00', 0x0, 0x0) r1 = socket$inet_dccp(0x2, 0x6, 0x0) r2 = dup2(r0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x2286, 0x714000) [ 57.361383][ T8272] IPVS: ftp: loaded support on port[0] = 21 [ 57.444596][ T8274] IPVS: ftp: loaded support on port[0] = 21 21:48:45 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) get_mempolicy(&(0x7f00000002c0), &(0x7f0000000300), 0x7, &(0x7f0000ffc000/0x2000)=nil, 0x5) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c0001007665746800000000180002001400010000000000", @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\a'], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000380)=ANY=[@ANYBLOB="740000002400070500"/20, @ANYRES32=r3, @ANYBLOB="00000000ffffffff0000000008000100736671004800020000000000000000000000000000000000000000000000000000000000000000000000000077000000000000000000000000000000000000000000000000000000000000f3"], 0x74}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000500)=ANY=[@ANYBLOB="7c0000002c00010700"/20, @ANYRES32=r3, @ANYBLOB="000007000000000003000000080001006270660050000200080004000000000004000500400002003c0001000000ff03008af4a98fd704b34bf14b726a11becf04000000000400000000000000e62900000000000000001100000000000000000000000000000000000000000003e8a44d00006b8af1fa454921483b79b0ec762852a47e69e60c061f9c871cc395fa86f369a04912c9e69817f049ec6df0e44a2b27bc64af847665f32224e4d778548bc7cba4aad65985da75ad8f3dcb3ee4b78dd97dc5e138da76d28c07639b67c57cc5df12fe95535049"], 0x7c}}, 0x0) r4 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r4, &(0x7f0000000140), 0x25e, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) [ 57.562099][ T8272] chnl_net:caif_netlink_parms(): no params data found [ 57.653434][ T8274] chnl_net:caif_netlink_parms(): no params data found [ 57.672645][ T8272] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.680514][ T8272] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.702473][ T8272] device bridge_slave_0 entered promiscuous mode [ 57.734857][ T8272] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.744164][ T8272] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.752918][ T8272] device bridge_slave_1 entered promiscuous mode [ 57.789891][ T8278] IPVS: ftp: loaded support on port[0] = 21 [ 57.804283][ T8274] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.817486][ T8274] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.825587][ T8274] device bridge_slave_0 entered promiscuous mode [ 57.836194][ T8272] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 21:48:45 executing program 3: unshare(0x20600) r0 = creat(&(0x7f0000000000)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x2, 0x0) [ 57.853542][ T8274] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.860608][ T8274] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.870050][ T8274] device bridge_slave_1 entered promiscuous mode [ 57.888304][ T8272] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.936364][ T8272] team0: Port device team_slave_0 added [ 57.966966][ T8274] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.992380][ T8272] team0: Port device team_slave_1 added [ 57.999256][ T8274] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.086300][ T8272] device hsr_slave_0 entered promiscuous mode 21:48:45 executing program 4: r0 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) connect(r0, 0x0, 0x0) [ 58.131731][ T8272] device hsr_slave_1 entered promiscuous mode [ 58.215255][ T8274] team0: Port device team_slave_0 added [ 58.287375][ T8274] team0: Port device team_slave_1 added [ 58.308940][ T8280] IPVS: ftp: loaded support on port[0] = 21 21:48:46 executing program 5: r0 = memfd_create(&(0x7f0000000100)='#\'%nodev\x00', 0x0) write(r0, &(0x7f0000002000)='/', 0x1) sendfile(r0, r0, &(0x7f0000000200), 0x87) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x2, 0x11, r0, 0x0) mount(&(0x7f0000000080), &(0x7f0000000080)='.', 0x0, 0x5010, 0x0) [ 58.403814][ T8272] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.463781][ T8272] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.583814][ T8274] device hsr_slave_0 entered promiscuous mode [ 58.621696][ T8274] device hsr_slave_1 entered promiscuous mode [ 58.681849][ T8274] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.689770][ T8278] chnl_net:caif_netlink_parms(): no params data found [ 58.709164][ T8272] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.785450][ T8283] IPVS: ftp: loaded support on port[0] = 21 [ 58.794121][ T8272] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.854658][ T8278] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.862588][ T8278] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.870627][ T8278] device bridge_slave_0 entered promiscuous mode [ 58.880039][ T8278] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.887484][ T8278] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.895231][ T8278] device bridge_slave_1 entered promiscuous mode [ 58.927576][ T8278] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.928349][ T8285] IPVS: ftp: loaded support on port[0] = 21 [ 58.945239][ T8278] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.970357][ T8278] team0: Port device team_slave_0 added [ 58.978575][ T8274] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.044658][ T8274] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.104957][ T8274] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.163231][ T8274] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.215112][ T8278] team0: Port device team_slave_1 added [ 59.284090][ T8278] device hsr_slave_0 entered promiscuous mode [ 59.342066][ T8278] device hsr_slave_1 entered promiscuous mode [ 59.391892][ T8278] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.485858][ T8280] chnl_net:caif_netlink_parms(): no params data found [ 59.586998][ T8278] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.643676][ T8278] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.703883][ T8278] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.747791][ T8280] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.755013][ T8280] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.763226][ T8280] device bridge_slave_0 entered promiscuous mode [ 59.774407][ T8272] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.782544][ T8280] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.789584][ T8280] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.799121][ T8280] device bridge_slave_1 entered promiscuous mode [ 59.810743][ T8278] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.863370][ T8283] chnl_net:caif_netlink_parms(): no params data found [ 59.896484][ T8280] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.917186][ T8280] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.939013][ T8274] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.984815][ T8283] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.993968][ T8283] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.002242][ T8283] device bridge_slave_0 entered promiscuous mode [ 60.010080][ T8283] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.017294][ T8283] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.025342][ T8283] device bridge_slave_1 entered promiscuous mode [ 60.033905][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.045381][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.077093][ T8274] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.089527][ T8272] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.098847][ T8280] team0: Port device team_slave_0 added [ 60.108099][ T8285] chnl_net:caif_netlink_parms(): no params data found [ 60.123154][ T1046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.130856][ T1046] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.156104][ T8280] team0: Port device team_slave_1 added [ 60.167263][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.176691][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.185292][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.192518][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.202942][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.211709][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.219984][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.227067][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.234935][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.243669][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.252249][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.259282][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.267148][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.275686][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.286615][ T8283] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.321877][ T8283] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.333173][ T2962] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.342124][ T2962] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.350471][ T2962] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.357569][ T2962] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.365908][ T2962] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.413200][ T8280] device hsr_slave_0 entered promiscuous mode [ 60.471717][ T8280] device hsr_slave_1 entered promiscuous mode [ 60.531556][ T8280] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.567368][ T8285] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.574902][ T8285] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.583615][ T8285] device bridge_slave_0 entered promiscuous mode [ 60.595854][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.606136][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.615503][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.624872][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.633673][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.643032][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.651512][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.680219][ T8285] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.688219][ T8285] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.696071][ T8285] device bridge_slave_1 entered promiscuous mode [ 60.708770][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.717650][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.726504][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.734858][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.743971][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.752314][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.760459][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.768641][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.776868][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.785176][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.798445][ T8283] team0: Port device team_slave_0 added [ 60.809871][ T8283] team0: Port device team_slave_1 added [ 60.840655][ T8288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.853273][ T8288] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.861732][ T8288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.870108][ T8288] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.880087][ T8285] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.922876][ T8274] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.932454][ T8285] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.942860][ T8280] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.034165][ T8283] device hsr_slave_0 entered promiscuous mode [ 61.061769][ T8283] device hsr_slave_1 entered promiscuous mode [ 61.101390][ T8283] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.119267][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.126800][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.134294][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.142957][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.155284][ T8278] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.175853][ T8280] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.225704][ T8280] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.276624][ T8272] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.287409][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.295297][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.310084][ T8278] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.324803][ T8280] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 166.351219][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.358169][ C1] rcu: 1-...!: (10499 ticks this GP) idle=aba/1/0x4000000000000002 softirq=10918/10918 fqs=0 [ 166.368652][ C1] (t=10501 jiffies g=6437 q=167) [ 166.373677][ C1] rcu: rcu_preempt kthread starved for 10502 jiffies! g6437 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.384764][ C1] rcu: RCU grace-period kthread stack dump: [ 166.390647][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.398540][ C1] Call Trace: [ 166.401830][ C1] __schedule+0x9a0/0xcc0 [ 166.406154][ C1] schedule+0x181/0x210 [ 166.410300][ C1] schedule_timeout+0x14f/0x240 [ 166.415225][ C1] ? run_local_timers+0x120/0x120 [ 166.420240][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.425001][ C1] kthread+0x332/0x350 [ 166.429054][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.434154][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.438734][ C1] ret_from_fork+0x24/0x30 [ 166.443155][ C1] NMI backtrace for cpu 1 [ 166.447477][ C1] CPU: 1 PID: 8294 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 166.455695][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.465736][ C1] Call Trace: [ 166.469007][ C1] [ 166.471850][ C1] dump_stack+0x1fb/0x318 [ 166.476173][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.481010][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.487152][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.493205][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.499196][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.505098][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.510225][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.515427][ C1] ? trace_hardirqs_off+0x74/0x80 [ 166.520466][ C1] update_process_times+0x12d/0x180 [ 166.525662][ C1] tick_sched_timer+0x263/0x420 [ 166.530506][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.536046][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.541259][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.546209][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.551513][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 166.557058][ C1] apic_timer_interrupt+0xf/0x20 [ 166.562939][ C1] [ 166.565874][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x2e/0x50 [ 166.572017][ C1] Code: 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 <48> 8b 32 48 8d 7e 01 8b 89 84 13 00 00 48 39 cf 73 08 48 89 44 f2 [ 166.591619][ C1] RSP: 0018:ffffc90002447c38 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.600019][ C1] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff88806be76040 [ 166.607977][ C1] RDX: ffffc9000732b000 RSI: 000000000003ffff RDI: 0000000000040000 [ 166.615954][ C1] RBP: ffffc90002447c60 R08: dffffc0000000000 R09: fffffbfff12877ed [ 166.623932][ C1] R10: fffffbfff12877ed R11: 0000000000000000 R12: dffffc0000000000 [ 166.631904][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a85c5a68 [ 166.639899][ C1] ? mod_memcg_page_state+0x123/0x190 [ 166.645275][ C1] ? free_thread_stack+0x124/0x590 [ 166.650381][ C1] ? mod_memcg_page_state+0x123/0x190 [ 166.655742][ C1] free_thread_stack+0x168/0x590 [ 166.660671][ C1] put_task_stack+0xa3/0x130 [ 166.665261][ C1] finish_task_switch+0x3f1/0x550 [ 166.670284][ C1] __schedule+0x9a8/0xcc0 [ 166.674609][ C1] ? ___preempt_schedule+0x16/0x18 [ 166.679714][ C1] preempt_schedule+0xdb/0x120 [ 166.684470][ C1] ___preempt_schedule+0x16/0x18 [ 166.689403][ C1] _raw_spin_unlock_irq+0x77/0x80 [ 166.694416][ C1] do_group_exit+0x2a8/0x2b0 [ 166.699028][ C1] __do_sys_exit_group+0x17/0x20 [ 166.703965][ C1] __se_sys_exit_group+0x14/0x20 [ 166.708914][ C1] __x64_sys_exit_group+0x3b/0x40 [ 166.713939][ C1] do_syscall_64+0xf7/0x1c0 [ 166.718446][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.724338][ C1] RIP: 0033:0x45a679 [ 166.728232][ C1] Code: ad b6 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 b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 166.747823][ C1] RSP: 002b:00007f84ec3ed1c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 166.756221][ C1] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 000000000045a679 [ 166.764178][ C1] RDX: 0000000000000000 RSI: 00007f84ec3ed200 RDI: 000000000000000b [ 166.772137][ C1] RBP: 000000000075bf20 R08: 000000000075bf20 R09: 0000000000000000 [ 166.780095][ C1] R10: 00007f84ec3ed7b0 R11: 0000000000000246 R12: 00007f84ec3ee6d4 [ 166.788081][ C1] R13: 00000000004cad55 R14: 00000000004e4228 R15: 00000000ffffffff