Warning: Permanently added '10.128.0.86' (ECDSA) to the list of known hosts. 2019/12/02 20:51:09 fuzzer started 2019/12/02 20:51:11 dialing manager at 10.128.0.26:38907 2019/12/02 20:51:11 syscalls: 2697 2019/12/02 20:51:11 code coverage: enabled 2019/12/02 20:51:11 comparison tracing: enabled 2019/12/02 20:51:11 extra coverage: extra coverage is not supported by the kernel 2019/12/02 20:51:11 setuid sandbox: enabled 2019/12/02 20:51:11 namespace sandbox: enabled 2019/12/02 20:51:11 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/02 20:51:11 fault injection: enabled 2019/12/02 20:51:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/02 20:51:11 net packet injection: enabled 2019/12/02 20:51:11 net device setup: enabled 2019/12/02 20:51:11 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/02 20:51:11 devlink PCI setup: PCI device 0000:00:10.0 is not available 20:51:12 executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$sock_int(r0, 0x1, 0x10, &(0x7f0000000040)=0x3, 0x4) splice(r2, 0x0, r0, 0x0, 0x420000a77, 0x0) write$binfmt_elf64(r3, &(0x7f0000000000)=ANY=[], 0xfffffd88) close(r1) 20:51:12 executing program 1: sendmsg(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000080), 0x1}, 0x0) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x370, &(0x7f0000000080)={&(0x7f0000000600)=ANY=[@ANYBLOB="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"/574], 0x64}}, 0x0) r0 = socket(0x10, 0x3, 0x0) sendmmsg$alg(r0, &(0x7f0000000140), 0x2f6, 0x0) syzkaller login: [ 54.017506][ T8170] IPVS: ftp: loaded support on port[0] = 21 [ 54.130665][ T8172] IPVS: ftp: loaded support on port[0] = 21 20:51:12 executing program 2: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000300)={'team_slave_0\x00', &(0x7f0000000280)=@ethtool_gstrings={0x1b, 0x7}}) [ 54.215567][ T8170] chnl_net:caif_netlink_parms(): no params data found [ 54.364141][ T8170] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.371777][ T8170] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.378994][ T8176] IPVS: ftp: loaded support on port[0] = 21 [ 54.389984][ T8170] device bridge_slave_0 entered promiscuous mode [ 54.419064][ T8172] chnl_net:caif_netlink_parms(): no params data found [ 54.428733][ T8170] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.436875][ T8170] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.446065][ T8170] device bridge_slave_1 entered promiscuous mode 20:51:12 executing program 3: socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$sock(r0, &(0x7f0000000300)=[{{0x0, 0x0, 0x0}}, {{&(0x7f0000000400)=@tipc=@name={0x1e, 0x2, 0x0, {{}, 0x4}}, 0x80, 0x0}}], 0x2, 0x0) [ 54.501773][ T8170] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.527937][ T8170] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.585466][ T8172] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.592695][ T8172] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.601977][ T8172] device bridge_slave_0 entered promiscuous mode [ 54.640236][ T8170] team0: Port device team_slave_0 added [ 54.646774][ T8172] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.654887][ T8172] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.662768][ T8172] device bridge_slave_1 entered promiscuous mode [ 54.683176][ T8170] team0: Port device team_slave_1 added 20:51:13 executing program 4: r0 = syz_open_dev$sg(&(0x7f00000003c0)='/dev/sg#\x00', 0x0, 0x0) unshare(0x20600) ioctl$SG_SET_DEBUG(r0, 0xc0481273, 0x0) [ 54.816295][ T8170] device hsr_slave_0 entered promiscuous mode [ 54.893845][ T8170] device hsr_slave_1 entered promiscuous mode 20:51:13 executing program 5: getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(0xffffffffffffffff, 0x84, 0x6c, &(0x7f0000000400)={0x0, 0x1, '\t'}, 0x0) syz_mount_image$bfs(&(0x7f0000000000)='bfs\x00', &(0x7f0000000040)='./file0\x00', 0x0, 0x1, &(0x7f0000000080)=[{&(0x7f0000000180)="cefaad1bb83c000040dc", 0xff0f}], 0x2, 0x0) [ 55.007838][ T8172] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.023591][ T8176] chnl_net:caif_netlink_parms(): no params data found [ 55.052246][ T8179] IPVS: ftp: loaded support on port[0] = 21 [ 55.062207][ T8172] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.099365][ T8181] IPVS: ftp: loaded support on port[0] = 21 [ 55.166274][ T8172] team0: Port device team_slave_0 added [ 55.175244][ T8183] IPVS: ftp: loaded support on port[0] = 21 [ 55.186157][ T8170] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.254870][ T8172] team0: Port device team_slave_1 added [ 55.263390][ T8176] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.270609][ T8176] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.279259][ T8176] device bridge_slave_0 entered promiscuous mode [ 55.291256][ T8170] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.347570][ T8170] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.409173][ T8170] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.469991][ T8176] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.477406][ T8176] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.485756][ T8176] device bridge_slave_1 entered promiscuous mode [ 55.566722][ T8172] device hsr_slave_0 entered promiscuous mode [ 55.604040][ T8172] device hsr_slave_1 entered promiscuous mode [ 55.643798][ T8172] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.661161][ T8176] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.672875][ T8176] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.761271][ T8176] team0: Port device team_slave_0 added [ 55.788267][ T8176] team0: Port device team_slave_1 added [ 55.807958][ T8179] chnl_net:caif_netlink_parms(): no params data found [ 55.831881][ T8172] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 55.866123][ T8172] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 55.956243][ T8176] device hsr_slave_0 entered promiscuous mode [ 55.994011][ T8176] device hsr_slave_1 entered promiscuous mode [ 56.033758][ T8176] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.084121][ T8172] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.135831][ T8172] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.205678][ T8181] chnl_net:caif_netlink_parms(): no params data found [ 56.238518][ T8179] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.246253][ T8179] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.254881][ T8179] device bridge_slave_0 entered promiscuous mode [ 56.262736][ T8179] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.270415][ T8179] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.279166][ T8179] device bridge_slave_1 entered promiscuous mode [ 56.333057][ T8179] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.378099][ T8176] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.436757][ T8179] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.448980][ T8176] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.497903][ T8181] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.505396][ T8181] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.512995][ T8181] device bridge_slave_0 entered promiscuous mode [ 56.521414][ T8181] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.528553][ T8181] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.536631][ T8181] device bridge_slave_1 entered promiscuous mode [ 56.558116][ T8176] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.614637][ T8183] chnl_net:caif_netlink_parms(): no params data found [ 56.633244][ T8176] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 56.693615][ T8179] team0: Port device team_slave_0 added [ 56.704472][ T8181] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.719784][ T8179] team0: Port device team_slave_1 added [ 56.732178][ T8181] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.816359][ T8179] device hsr_slave_0 entered promiscuous mode [ 56.853972][ T8179] device hsr_slave_1 entered promiscuous mode [ 56.893754][ T8179] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.909957][ T8181] team0: Port device team_slave_0 added [ 56.920917][ T8183] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.928754][ T8183] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.938032][ T8183] device bridge_slave_0 entered promiscuous mode [ 56.953725][ T8181] team0: Port device team_slave_1 added [ 56.961461][ T8183] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.969136][ T8183] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.980493][ T8183] device bridge_slave_1 entered promiscuous mode [ 56.990826][ T8170] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.040537][ T8183] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.085709][ T8181] device hsr_slave_0 entered promiscuous mode [ 57.124123][ T8181] device hsr_slave_1 entered promiscuous mode [ 57.163602][ T8181] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.176087][ T8170] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.198609][ T8183] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.220205][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.229551][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.254894][ T8172] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.272373][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.281983][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.294920][ T47] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.302153][ T47] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.312007][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.320710][ T8179] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.368199][ T8179] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.445209][ T8183] team0: Port device team_slave_0 added [ 57.452661][ T8183] team0: Port device team_slave_1 added [ 57.467595][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.476936][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.486153][ T8184] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.493217][ T8184] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.501007][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.510030][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.518038][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.525712][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.536296][ T8172] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.548683][ T8179] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.608952][ T8179] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.678028][ T8181] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 57.734960][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.747098][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.756081][ T8184] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.763126][ T8184] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.788887][ T8176] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.836980][ T8183] device hsr_slave_0 entered promiscuous mode [ 57.883829][ T8183] device hsr_slave_1 entered promiscuous mode [ 57.923613][ T8183] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.931701][ T8181] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 57.985370][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.993262][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.002288][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.010960][ T8184] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.018394][ T8184] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.027129][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.035916][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.044815][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.053233][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.062030][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.070497][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.078917][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.087556][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.095921][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.104657][ T8184] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.119640][ T8170] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.131201][ T8170] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.152950][ T8181] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 58.186472][ T8181] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 58.236608][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.245217][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.253069][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.261995][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.270870][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.279799][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.288782][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.297530][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.306394][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.315670][ T2921] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.354007][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.368204][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.376591][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.391900][ T8176] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.404005][ T8183] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 58.436215][ T8183] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 58.486877][ T8183] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 58.547144][ T8183] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 58.631739][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.640945][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.649684][ T2975] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.656821][ T2975] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.666734][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.674356][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.682431][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.709419][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.718614][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.727937][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.735436][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.743724][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.757916][ T8172] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.781361][ T8170] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.809654][ T8179] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.820734][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.832871][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.871720][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.895688][ T8179] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.903918][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.912109][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.939304][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.949768][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.972372][ T8176] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.995688][ T8176] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.052139][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.061467][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.076709][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.088892][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.101198][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.113776][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.122816][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.137635][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.169864][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.181124][ T2975] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.188394][ T2975] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.204527][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.226138][ T2975] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.247902][ T2975] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.255293][ T2975] bridge0: port 2(bridge_slave_1) entered forwarding state [ 164.023402][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.030222][ C1] rcu: 1-...!: (10499 ticks this GP) idle=7b6/1/0x4000000000000002 softirq=11942/11942 fqs=11 [ 164.040814][ C1] (t=10500 jiffies g=6389 q=251) [ 164.045957][ C1] rcu: rcu_preempt kthread starved for 10475 jiffies! g6389 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 164.057051][ C1] rcu: RCU grace-period kthread stack dump: [ 164.062935][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 164.070828][ C1] Call Trace: [ 164.074122][ C1] __schedule+0x9a0/0xcc0 [ 164.078457][ C1] schedule+0x181/0x210 [ 164.082614][ C1] schedule_timeout+0x14f/0x240 [ 164.087455][ C1] ? run_local_timers+0x120/0x120 [ 164.092617][ C1] rcu_gp_kthread+0xed8/0x1770 [ 164.097559][ C1] kthread+0x332/0x350 [ 164.101652][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 164.106751][ C1] ? kthread_blkcg+0xe0/0xe0 [ 164.111510][ C1] ret_from_fork+0x24/0x30 [ 164.115946][ C1] NMI backtrace for cpu 1 [ 164.120281][ C1] CPU: 1 PID: 8193 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 164.128526][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.138665][ C1] Call Trace: [ 164.141941][ C1] [ 164.144789][ C1] dump_stack+0x1fb/0x318 [ 164.149107][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.153941][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.160097][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.166173][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.172144][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.178110][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.183225][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.188435][ C1] ? trace_hardirqs_off+0x74/0x80 [ 164.193560][ C1] update_process_times+0x12d/0x180 [ 164.198747][ C1] tick_sched_timer+0x263/0x420 [ 164.203582][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.209115][ C1] __hrtimer_run_queues+0x403/0x840 [ 164.214328][ C1] hrtimer_interrupt+0x38c/0xda0 [ 164.219269][ C1] ? debug_smp_processor_id+0x9/0x20 [ 164.224543][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 164.230077][ C1] apic_timer_interrupt+0xf/0x20 [ 164.235003][ C1] [ 164.237931][ C1] RIP: 0010:free_thread_stack+0x133/0x590 [ 164.243822][ C1] Code: 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 06 a2 60 00 e9 5d 04 00 00 e8 5c 2d 2e 00 48 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 43 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 164.263601][ C1] RSP: 0018:ffffc900024774d8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.272005][ C1] RAX: 0000000000000001 RBX: ffffea0002a12580 RCX: 0000000000000000 [ 164.279964][ C1] RDX: ffffc900049a9000 RSI: 0000000000000000 RDI: ffffea0002a12580 [ 164.287923][ C1] RBP: ffffc90002477510 R08: 000000000003a768 R09: ffffed1012df5e97 [ 164.295966][ C1] R10: ffffed1012df5e97 R11: 0000000000000000 R12: ffff88808f51d9a0 [ 164.303922][ C1] R13: dffffc0000000000 R14: 1ffff11011ea3b34 R15: ffff888096faf4a8 [ 164.311902][ C1] ? free_thread_stack+0x12e/0x590 [ 164.317093][ C1] put_task_stack+0xa3/0x130 [ 164.321785][ C1] finish_task_switch+0x3f1/0x550 [ 164.326808][ C1] __schedule+0x9a8/0xcc0 [ 164.331138][ C1] preempt_schedule_irq+0xc1/0x140 [ 164.336238][ C1] retint_kernel+0x1b/0x2b [ 164.340729][ C1] RIP: 0010:qlink_free+0x91/0xb0 [ 164.345673][ C1] Code: 58 07 00 74 35 4c 89 f7 57 9d 0f 1f 44 00 00 e8 15 1b ca ff eb 19 e8 ae 18 ca ff 48 83 3d 0e 7a 58 07 00 74 17 4c 89 f7 57 9d <0f> 1f 44 00 00 5b 41 5e 41 5f 5d c3 0f 0b 0f 0b 0f 0b 0f 0b 90 66 [ 164.365259][ C1] RSP: 0018:ffffc90002477728 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff02 [ 164.373653][ C1] RAX: ffff8880904388d4 RBX: ffff8880a019e0c0 RCX: 0000000000040000 [ 164.381612][ C1] RDX: ffffc900049a9000 RSI: 0000000000003ef1 RDI: 0000000000000286 [ 164.389677][ C1] RBP: ffffc90002477740 R08: ffff888090438898 R09: ffffed1025fff789 [ 164.397636][ C1] R10: ffffed1025fff789 R11: 0000000000000000 R12: ffff8880a019e0c0 [ 164.405602][ C1] R13: 0000000000000200 R14: 0000000000000286 R15: ffff8880aa8001c0 [ 164.413585][ C1] quarantine_reduce+0x15e/0x1d0 [ 164.418509][ C1] __kasan_kmalloc+0x46/0x1b0 [ 164.423184][ C1] ? __lock_acquire+0xc75/0x1be0 [ 164.428109][ C1] ? kmem_cache_alloc_node+0x235/0x280 [ 164.433563][ C1] ? __alloc_skb+0x9f/0x500 [ 164.438070][ C1] ? __fs_reclaim_release+0x4/0x20 [ 164.443208][ C1] ? kmem_cache_alloc_node_trace+0x1c5/0x2d0 [ 164.449179][ C1] kasan_slab_alloc+0xf/0x20 [ 164.453756][ C1] kmem_cache_alloc_node_trace+0x225/0x2d0 [ 164.459546][ C1] ? __kmalloc_node_track_caller+0x3c/0x60 [ 164.465355][ C1] __kmalloc_node_track_caller+0x3c/0x60 [ 164.470976][ C1] ? netlink_sendmsg+0x781/0xd40 [ 164.475903][ C1] __alloc_skb+0xe8/0x500 [ 164.480226][ C1] netlink_sendmsg+0x781/0xd40 [ 164.484987][ C1] ? netlink_getsockopt+0x9f0/0x9f0 [ 164.490171][ C1] ____sys_sendmsg+0x509/0x820 [ 164.494931][ C1] __sys_sendmmsg+0x2b1/0x5b0 [ 164.499609][ C1] ? __might_fault+0xf9/0x160 [ 164.504282][ C1] ? check_preemption_disabled+0xb4/0x260 [ 164.509986][ C1] ? debug_smp_processor_id+0x9/0x20 [ 164.515274][ C1] ? debug_smp_processor_id+0x1c/0x20 [ 164.520632][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 164.526690][ C1] ? prepare_exit_to_usermode+0x221/0x5b0 [ 164.532397][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 164.538103][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 164.543545][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 164.549262][ C1] __x64_sys_sendmmsg+0xa0/0xb0 [ 164.554102][ C1] do_syscall_64+0xf7/0x1c0 [ 164.558607][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.564506][ C1] RIP: 0033:0x45a679 [ 164.568396][ 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 [ 164.587990][ C1] RSP: 002b:00007f7e8ea50c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 [ 164.596389][ C1] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045a679 [ 164.604350][ C1] RDX: 00000000000002f6 RSI: 0000000020000140 RDI: 0000000000000003 [ 164.612308][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 164.620270][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7e8ea516d4 [ 164.628400][ C1] R13: 00000000004c8f28 R14: 00000000004e0a60 R15: 00000000ffffffff