Warning: Permanently added '10.128.0.144' (ECDSA) to the list of known hosts. 2019/12/03 20:24:59 fuzzer started 2019/12/03 20:25:00 dialing manager at 10.128.0.26:42111 2019/12/03 20:25:00 syscalls: 2689 2019/12/03 20:25:00 code coverage: enabled 2019/12/03 20:25:00 comparison tracing: enabled 2019/12/03 20:25:00 extra coverage: extra coverage is not supported by the kernel 2019/12/03 20:25:00 setuid sandbox: enabled 2019/12/03 20:25:00 namespace sandbox: enabled 2019/12/03 20:25:00 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 20:25:00 fault injection: enabled 2019/12/03 20:25:00 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 20:25:00 net packet injection: enabled 2019/12/03 20:25:00 net device setup: enabled 2019/12/03 20:25:00 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 20:25:00 devlink PCI setup: PCI device 0000:00:10.0 is not available 20:25:02 executing program 0: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r3 = dup(r2) setsockopt$IP_VS_SO_SET_ZERO(r3, 0x0, 0x48f, &(0x7f0000000000)={0x0, @rand_addr, 0x4e21, 0x0, 'wrr\x00'}, 0x2c) 20:25:02 executing program 1: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = socket$can_raw(0x1d, 0x3, 0x1) getsockopt$CAN_RAW_FD_FRAMES(r1, 0x65, 0x5, &(0x7f00000003c0), &(0x7f0000000400)=0x4) syzkaller login: [ 54.340274][ T8287] IPVS: ftp: loaded support on port[0] = 21 20:25:02 executing program 2: clone(0x41fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = getpid() rt_tgsigqueueinfo(r0, r0, 0x16, &(0x7f0000000200)) syz_open_dev$rtc(&(0x7f0000000080)='/dev/rtc#\x00', 0x0, 0x0) ptrace(0x10, r0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000000)) getrlimit(0x0, &(0x7f0000000040)) ptrace$setregs(0xf, r0, 0x0, &(0x7f0000000000)="a96d55a756") ptrace$getregset(0x4204, r0, 0x2, &(0x7f0000000280)={0x0}) [ 54.503922][ T8289] IPVS: ftp: loaded support on port[0] = 21 [ 54.526521][ T8287] chnl_net:caif_netlink_parms(): no params data found [ 54.666347][ T8287] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.691036][ T8287] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.699224][ T8287] device bridge_slave_0 entered promiscuous mode [ 54.719900][ T8292] IPVS: ftp: loaded support on port[0] = 21 [ 54.756041][ T8287] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.765413][ T8287] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.774678][ T8287] device bridge_slave_1 entered promiscuous mode 20:25:02 executing program 3: unshare(0x400) r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000000), 0x8, 0x0) finit_module(r0, 0x0, 0x0) [ 54.833455][ T8289] chnl_net:caif_netlink_parms(): no params data found [ 54.847895][ T8287] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.907283][ T8287] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.002367][ T8289] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.009487][ T8289] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.042766][ T8289] device bridge_slave_0 entered promiscuous mode [ 55.052330][ T8287] team0: Port device team_slave_0 added [ 55.073335][ T8289] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.080528][ T8289] bridge0: port 2(bridge_slave_1) entered disabled state 20:25:03 executing program 4: pipe(&(0x7f0000000340)={0xffffffffffffffff, 0xffffffffffffffff}) write$P9_RSYMLINK(r1, &(0x7f00000000c0)={0x14}, 0x14) r2 = socket$inet_udp(0x2, 0x2, 0x0) write$binfmt_misc(r1, &(0x7f0000000140)=ANY=[], 0xfec8) socket$inet_udplite(0x2, 0x2, 0x88) bind$inet(r2, &(0x7f0000000000)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0xb}}, 0x10) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) connect$inet(r2, &(0x7f0000000040)={0x2, 0x0, @multicast2}, 0x10) splice(r0, 0x0, r2, 0x0, 0x10005, 0x0) [ 55.103306][ T8289] device bridge_slave_1 entered promiscuous mode [ 55.118892][ T8287] team0: Port device team_slave_1 added [ 55.138657][ T8292] chnl_net:caif_netlink_parms(): no params data found [ 55.192195][ T8296] IPVS: ftp: loaded support on port[0] = 21 [ 55.243674][ T8287] device hsr_slave_0 entered promiscuous mode [ 55.281614][ T8287] device hsr_slave_1 entered promiscuous mode [ 55.322691][ T8289] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.337951][ T8289] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.368625][ T8298] IPVS: ftp: loaded support on port[0] = 21 [ 55.403275][ T8289] team0: Port device team_slave_0 added 20:25:03 executing program 5: socket$nl_generic(0x10, 0x3, 0x10) dup(0xffffffffffffffff) syz_genetlink_get_family_id$fou(&(0x7f0000000040)='fou\x00') r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f0000000040)=0x2000000000000074, 0x4) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @multicast1}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) syz_open_procfs(0xffffffffffffffff, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendto$inet(r0, &(0x7f0000000180)="20268a927f1f6588b967481241ba7860f46ef65ac618ded8974895abeaf4b4834ff922b3f1e0b02bd67aa03059bcecc7a95c25a3a07e758044ab4ea6f7ae55d88fecf9221a7511bf746bec66ba5c0fe3ac47b61db6b4c41bd1a5259e62506c", 0x5f, 0x4000002, 0x0, 0x0) [ 55.435132][ T8289] team0: Port device team_slave_1 added [ 55.474220][ T8292] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.487434][ T8292] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.498215][ T8292] device bridge_slave_0 entered promiscuous mode [ 55.526949][ T8287] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.593449][ T8292] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.600524][ T8292] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.608730][ T8292] device bridge_slave_1 entered promiscuous mode [ 55.620455][ T8287] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.673928][ T8287] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.736476][ T8287] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.802606][ T8301] IPVS: ftp: loaded support on port[0] = 21 [ 55.853674][ T8289] device hsr_slave_0 entered promiscuous mode [ 55.891360][ T8289] device hsr_slave_1 entered promiscuous mode [ 55.952187][ T8289] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.961430][ T8292] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.978933][ T8292] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.029700][ T8296] chnl_net:caif_netlink_parms(): no params data found [ 56.094464][ T8292] team0: Port device team_slave_0 added [ 56.117646][ T8292] team0: Port device team_slave_1 added [ 56.203791][ T8292] device hsr_slave_0 entered promiscuous mode [ 56.271254][ T8292] device hsr_slave_1 entered promiscuous mode [ 56.351070][ T8292] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.364889][ T8296] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.372096][ T8296] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.381377][ T8296] device bridge_slave_0 entered promiscuous mode [ 56.388764][ T8289] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.444120][ T8289] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.512351][ T8298] chnl_net:caif_netlink_parms(): no params data found [ 56.520822][ T8289] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.592676][ T8289] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.644864][ T8296] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.652056][ T8296] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.659684][ T8296] device bridge_slave_1 entered promiscuous mode [ 56.707172][ T8296] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.719232][ T8296] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.749833][ T8298] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.757090][ T8298] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.765408][ T8298] device bridge_slave_0 entered promiscuous mode [ 56.792853][ T8298] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.799961][ T8298] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.807984][ T8298] device bridge_slave_1 entered promiscuous mode [ 56.819544][ T8292] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.854008][ T8296] team0: Port device team_slave_0 added [ 56.859892][ T8292] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.903416][ T8292] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.955568][ T8292] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.010686][ T8296] team0: Port device team_slave_1 added [ 57.039105][ T8298] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.049998][ T8298] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.115559][ T8296] device hsr_slave_0 entered promiscuous mode [ 57.161294][ T8296] device hsr_slave_1 entered promiscuous mode [ 57.201067][ T8296] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.220405][ T8298] team0: Port device team_slave_0 added [ 57.268144][ T8298] team0: Port device team_slave_1 added [ 57.283256][ T8289] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.295511][ T8301] chnl_net:caif_netlink_parms(): no params data found [ 57.373817][ T8298] device hsr_slave_0 entered promiscuous mode [ 57.431430][ T8298] device hsr_slave_1 entered promiscuous mode [ 57.491114][ T8298] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.510103][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.518699][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.532602][ T8287] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.558003][ T8289] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.578111][ T8296] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.633229][ T8296] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.672963][ T8301] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.680059][ T8301] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.689249][ T8301] device bridge_slave_0 entered promiscuous mode [ 57.710952][ T8306] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.721626][ T8306] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.730625][ T8306] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.737870][ T8306] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.746035][ T8306] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.754994][ T8306] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.763633][ T8306] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.770658][ T8306] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.778432][ T8306] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.786385][ T8296] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.833098][ T8296] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.886938][ T8301] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.894498][ T8301] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.902715][ T8301] device bridge_slave_1 entered promiscuous mode [ 57.918176][ T8307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.926395][ T8307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.934284][ T8307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.951134][ T8298] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 57.983008][ T8298] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 58.036330][ T8298] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 58.108691][ T8298] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 58.144370][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.153527][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.162258][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.172356][ T8287] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.181800][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.196041][ T8301] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.217297][ T8306] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.225899][ T8306] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.245244][ T8301] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.268686][ T8301] team0: Port device team_slave_0 added [ 58.281565][ T8306] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.290358][ T8306] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.299836][ T8306] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.306969][ T8306] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.314898][ T8306] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.323617][ T8306] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.332061][ T8306] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.339195][ T8306] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.347033][ T8306] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.355566][ T8306] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.363962][ T8306] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.374825][ T8306] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.387708][ T8301] team0: Port device team_slave_1 added [ 58.407217][ T8292] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.424633][ T8289] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.436847][ T8289] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.445907][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.455183][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.463789][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.534628][ T8301] device hsr_slave_0 entered promiscuous mode [ 58.571459][ T8301] device hsr_slave_1 entered promiscuous mode [ 58.620992][ T8301] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.647618][ T8292] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.662955][ T8307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.673183][ T8307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.685492][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.697984][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.707224][ T8307] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.737719][ T8287] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.748559][ T8287] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.770153][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.781350][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.790199][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.799600][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.808716][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.817746][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.826198][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.834866][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.843627][ T3007] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.850720][ T3007] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.860016][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.867745][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.883587][ T8289] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.924116][ T8307] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.932489][ T8307] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.939950][ T8307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.949279][ T8307] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.958091][ T8307] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.965739][ T8307] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.973700][ T8307] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.981336][ T8307] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.995001][ T8296] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.011277][ T8301] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.053636][ T8301] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.106740][ T8287] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.128395][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.138184][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 164.150831][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.157599][ C0] rcu: 0-...!: (10499 ticks this GP) idle=a92/1/0x4000000000000002 softirq=10769/10769 fqs=149 [ 164.168251][ C0] (t=10501 jiffies g=6505 q=232) [ 164.173286][ C0] rcu: rcu_preempt kthread starved for 10204 jiffies! g6505 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 164.184641][ C0] rcu: RCU grace-period kthread stack dump: [ 164.190544][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 164.198517][ C0] Call Trace: [ 164.202065][ C0] __schedule+0x9a0/0xcc0 [ 164.206403][ C0] schedule+0x181/0x210 [ 164.210552][ C0] schedule_timeout+0x14f/0x240 [ 164.215389][ C0] ? run_local_timers+0x120/0x120 [ 164.221187][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.226097][ C0] kthread+0x332/0x350 [ 164.230257][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 164.235370][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.239963][ C0] ret_from_fork+0x24/0x30 [ 164.244393][ C0] NMI backtrace for cpu 0 [ 164.248745][ C0] CPU: 0 PID: 8308 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 164.257085][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.267231][ C0] Call Trace: [ 164.270505][ C0] [ 164.273354][ C0] dump_stack+0x1fb/0x318 [ 164.277695][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.282540][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.288811][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.294884][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.300859][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.306739][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.311842][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.317028][ C0] ? trace_hardirqs_off+0x74/0x80 [ 164.322040][ C0] update_process_times+0x12d/0x180 [ 164.327229][ C0] tick_sched_timer+0x263/0x420 [ 164.332153][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.337696][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.342895][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.348531][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.353811][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.359346][ C0] apic_timer_interrupt+0xf/0x20 [ 164.364275][ C0] [ 164.367201][ C0] RIP: 0010:free_thread_stack+0x16d/0x590 [ 164.372908][ C0] Code: c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 25 a4 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 09 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 164.392494][ C0] RSP: 0018:ffffc90002657990 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.400891][ C0] RAX: ffffffff81487433 RBX: ffff8880a19f0b88 RCX: ffff8880a3968240 [ 164.408880][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002443ec0 [ 164.416856][ C0] RBP: ffffc900026579c8 R08: dffffc0000000000 R09: fffffbfff120248a [ 164.424917][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a19f0c20 [ 164.432891][ C0] R13: dffffc0000000000 R14: 1ffff1101433e184 R15: ffff8880992755a8 [ 164.440877][ C0] ? mod_memcg_page_state+0x123/0x190 [ 164.446264][ C0] put_task_stack+0xa3/0x130 [ 164.450866][ C0] finish_task_switch+0x3f1/0x550 [ 164.456334][ C0] __schedule+0x9a8/0xcc0 [ 164.460669][ C0] ? ___preempt_schedule+0x16/0x18 [ 164.465776][ C0] preempt_schedule+0xdb/0x120 [ 164.470543][ C0] ___preempt_schedule+0x16/0x18 [ 164.475665][ C0] ? clear_huge_page+0x29f/0x8a0 [ 164.480733][ C0] ? clear_huge_page+0x2b8/0x8a0 [ 164.485668][ C0] clear_huge_page+0x2bd/0x8a0 [ 164.490441][ C0] __do_huge_pmd_anonymous_page+0x21a/0x1010 [ 164.496477][ C0] do_huge_pmd_anonymous_page+0x91a/0xe50 [ 164.502198][ C0] handle_mm_fault+0x2017/0x2890 [ 164.507150][ C0] do_user_addr_fault+0x589/0xaf0 [ 164.512173][ C0] __do_page_fault+0xd3/0x1f0 [ 164.516924][ C0] do_page_fault+0x99/0xb0 [ 164.521330][ C0] page_fault+0x39/0x40 [ 164.525472][ C0] RIP: 0033:0x4418c1 [ 164.529356][ C0] Code: 8d 15 43 c1 0a 00 8b 0c 8a 8b 04 82 29 c8 c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 fa 20 48 89 f8 73 77 f6 c2 01 74 0b 0f b6 0e <88> 0f 48 ff c6 48 ff c7 f6 c2 02 74 12 0f b7 0e 66 89 0f 48 83 c6 [ 164.549033][ C0] RSP: 002b:00007ffff9ecdfa8 EFLAGS: 00010202 [ 164.555174][ C0] RAX: 0000000020000000 RBX: 000000000075c9a0 RCX: 0000000000000008 [ 164.563172][ C0] RDX: 000000000000000b RSI: 0000000000760080 RDI: 0000000020000000 [ 164.571142][ C0] RBP: 0000000000760060 R08: 00000000662245ed R09: 00000000662245f1 [ 164.579713][ C0] R10: 00007ffff9ece080 R11: 0000000000000246 R12: 000000000075bf20 [ 164.587673][ C0] R13: 000000000000e6e8 R14: 0000000000760068 R15: 000000000075bf2c