Warning: Permanently added '10.128.0.10' (ECDSA) to the list of known hosts. 2019/12/03 19:51:47 fuzzer started 2019/12/03 19:51:49 dialing manager at 10.128.0.26:42111 2019/12/03 19:51:49 syscalls: 2689 2019/12/03 19:51:49 code coverage: enabled 2019/12/03 19:51:49 comparison tracing: enabled 2019/12/03 19:51:49 extra coverage: extra coverage is not supported by the kernel 2019/12/03 19:51:49 setuid sandbox: enabled 2019/12/03 19:51:49 namespace sandbox: enabled 2019/12/03 19:51:49 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 19:51:49 fault injection: enabled 2019/12/03 19:51:49 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 19:51:49 net packet injection: enabled 2019/12/03 19:51:49 net device setup: enabled 2019/12/03 19:51:49 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 19:51:49 devlink PCI setup: PCI device 0000:00:10.0 is not available 19:51:50 executing program 0: 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(0x10, 0x80002, 0x0) close(r0) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f00000000c0)) connect$tipc(r0, &(0x7f0000000740)=@nameseq={0x1e, 0x1, 0x0, {0x1, 0x0, 0x4}}, 0x10) sendmmsg$alg(r0, &(0x7f0000000140), 0x492492492492805, 0x0) 19:51:50 executing program 1: r0 = creat(&(0x7f00000001c0)='./bus\x00', 0x0) io_setup(0x4, &(0x7f00000004c0)=0x0) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x0, 0x0) ioctl$FS_IOC_SETFLAGS(r2, 0x40086602, &(0x7f0000000040)=0x95) io_submit(r1, 0x6e, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x80000000000000, 0x1, 0x0, r0, &(0x7f0000000000), 0x281ba9cbf1677496}]) syzkaller login: [ 63.911084][ T8478] IPVS: ftp: loaded support on port[0] = 21 [ 63.950710][ T8480] IPVS: ftp: loaded support on port[0] = 21 [ 64.084387][ T8478] chnl_net:caif_netlink_parms(): no params data found 19:51:50 executing program 2: futex(&(0x7f000000cffc), 0xc, 0x1, 0x0, 0x0, 0x0) [ 64.135522][ T8478] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.144676][ T8478] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.154302][ T8478] device bridge_slave_0 entered promiscuous mode [ 64.190944][ T8478] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.213062][ T8478] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.221039][ T8478] device bridge_slave_1 entered promiscuous mode [ 64.271363][ T8478] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.295455][ T8480] chnl_net:caif_netlink_parms(): no params data found [ 64.295503][ T8485] IPVS: ftp: loaded support on port[0] = 21 [ 64.322274][ T8478] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 19:51:51 executing program 3: r0 = socket(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADD(r0, 0x0, 0x482, &(0x7f0000000300)={0x100000011, @multicast2, 0x0, 0x0, 'lblc\x03\xd2\x00'}, 0x2c) [ 64.414469][ T8478] team0: Port device team_slave_0 added [ 64.434235][ T8480] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.441455][ T8480] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.452021][ T8480] device bridge_slave_0 entered promiscuous mode [ 64.464291][ T8478] team0: Port device team_slave_1 added [ 64.486808][ T8480] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.504009][ T8480] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.523197][ T8480] device bridge_slave_1 entered promiscuous mode [ 64.606753][ T8478] device hsr_slave_0 entered promiscuous mode 19:51:51 executing program 4: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$IP_VS_SO_SET_TIMEOUT(r0, 0x0, 0x48a, &(0x7f0000000000)={0x0, 0x284e5139}, 0xc) [ 64.665383][ T8478] device hsr_slave_1 entered promiscuous mode [ 64.806583][ T8480] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.854382][ T8480] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.867002][ T8487] IPVS: ftp: loaded support on port[0] = 21 [ 64.908919][ T8489] IPVS: ftp: loaded support on port[0] = 21 [ 64.937043][ T8480] team0: Port device team_slave_0 added 19:51:51 executing program 5: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e23}, 0x1c) listen(r0, 0x5eb857) r1 = socket$inet_dccp(0x2, 0x6, 0x0) sendmmsg(0xffffffffffffffff, &(0x7f0000001540)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="000100000000000017010000b1720000"], 0x10}}], 0x1, 0x0) connect$inet(r1, &(0x7f0000772000)={0x2, 0x4e23}, 0x10) r2 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg(r2, &(0x7f0000001500), 0x4000000000002d0, 0x0) [ 64.967297][ T8480] team0: Port device team_slave_1 added [ 65.019602][ T8485] chnl_net:caif_netlink_parms(): no params data found [ 65.056383][ T8478] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.106959][ T8478] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 65.205929][ T8480] device hsr_slave_0 entered promiscuous mode [ 65.244963][ T8480] device hsr_slave_1 entered promiscuous mode [ 65.283255][ T8480] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.306561][ T8478] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 65.357809][ T8478] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 65.425239][ T8492] IPVS: ftp: loaded support on port[0] = 21 [ 65.478945][ T8485] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.486692][ T8485] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.494880][ T8485] device bridge_slave_0 entered promiscuous mode [ 65.520440][ T8485] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.528378][ T8485] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.536524][ T8485] device bridge_slave_1 entered promiscuous mode [ 65.587553][ T8480] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.647516][ T8480] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.696766][ T8480] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.777753][ T8485] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.798529][ T8487] chnl_net:caif_netlink_parms(): no params data found [ 65.815296][ T8480] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.888369][ T8485] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.935070][ T8489] chnl_net:caif_netlink_parms(): no params data found [ 65.980459][ T8485] team0: Port device team_slave_0 added [ 65.992190][ T8485] team0: Port device team_slave_1 added [ 66.002815][ T8487] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.010246][ T8487] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.018281][ T8487] device bridge_slave_0 entered promiscuous mode [ 66.028418][ T8487] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.036166][ T8487] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.046134][ T8487] device bridge_slave_1 entered promiscuous mode [ 66.095286][ T8485] device hsr_slave_0 entered promiscuous mode [ 66.143524][ T8485] device hsr_slave_1 entered promiscuous mode [ 66.193455][ T8485] debugfs: Directory 'hsr0' with parent '/' already present! [ 66.240405][ T8487] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.279421][ T8489] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.287642][ T8489] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.296389][ T8489] device bridge_slave_0 entered promiscuous mode [ 66.306861][ T8487] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.336287][ T8489] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.344082][ T8489] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.352177][ T8489] device bridge_slave_1 entered promiscuous mode [ 66.377852][ T8487] team0: Port device team_slave_0 added [ 66.387841][ T8487] team0: Port device team_slave_1 added [ 66.411020][ T8489] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.486370][ T8487] device hsr_slave_0 entered promiscuous mode [ 66.523564][ T8487] device hsr_slave_1 entered promiscuous mode [ 66.563174][ T8487] debugfs: Directory 'hsr0' with parent '/' already present! [ 66.576729][ T8485] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.627057][ T8489] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.637072][ T8492] chnl_net:caif_netlink_parms(): no params data found [ 66.655198][ T8485] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.750269][ T8485] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.799783][ T8485] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.872476][ T8487] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.915808][ T8492] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.923656][ T8492] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.931542][ T8492] device bridge_slave_0 entered promiscuous mode [ 66.942784][ T8489] team0: Port device team_slave_0 added [ 66.949073][ T8492] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.957076][ T8492] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.965488][ T8492] device bridge_slave_1 entered promiscuous mode [ 66.980702][ T8480] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.988511][ T8487] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.016302][ T8487] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.056266][ T8489] team0: Port device team_slave_1 added [ 67.076561][ T8487] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.133198][ T8492] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.151106][ T8478] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.226387][ T8489] device hsr_slave_0 entered promiscuous mode [ 67.253471][ T8489] device hsr_slave_1 entered promiscuous mode [ 67.293166][ T8489] debugfs: Directory 'hsr0' with parent '/' already present! [ 67.302396][ T8492] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.328717][ T8480] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.346496][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.356626][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.365611][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.374542][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.383382][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.390674][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.401796][ T8492] team0: Port device team_slave_0 added [ 67.430777][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.439241][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.449432][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.457992][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.467999][ T3210] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.476913][ T3210] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.484335][ T3210] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.493692][ T8492] team0: Port device team_slave_1 added [ 67.500849][ T8478] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.528056][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.578714][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.588464][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.597636][ T3704] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.604769][ T3704] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.612362][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.621698][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.630854][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.639244][ T3704] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.646387][ T3704] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.654183][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.662814][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.671547][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.680356][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.689245][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.697844][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.707073][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.715484][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.735321][ T8489] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.778109][ T8489] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.876347][ T8492] device hsr_slave_0 entered promiscuous mode [ 67.934343][ T8492] device hsr_slave_1 entered promiscuous mode [ 67.973782][ T8492] debugfs: Directory 'hsr0' with parent '/' already present! [ 67.986212][ T8480] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.998967][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.020450][ T8497] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.029153][ T8497] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.039070][ T8497] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.048527][ T8489] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.107704][ T8489] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.199165][ T8485] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.230065][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.240063][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.251283][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.269643][ T8492] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 68.307652][ T8480] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.320272][ T8487] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.333013][ T8485] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.342537][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.354898][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.367441][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.375574][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.383459][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.391260][ T8492] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 68.436312][ T8492] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 68.508461][ T8492] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 68.581214][ T8478] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.592882][ T8478] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.608595][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.618027][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.626945][ T3704] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.634423][ T3704] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.643136][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.651917][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.660617][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.669008][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.678369][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.688337][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.729105][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.740429][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.757504][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.769353][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.780838][ T25] kauditd_printk_skb: 3 callbacks suppressed [ 68.780849][ T25] audit: type=1804 audit(1575402715.367:31): pid=8500 uid=0 auid=4294967295 ses=4294967295 subj=_ op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir086308838/syzkaller.kIerUr/0/bus" dev="sda1" ino=16521 res=1 [ 68.811896][ T3704] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.819132][ T3704] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.827399][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.836498][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.845556][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.854982][ T3704] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.904644][ T8489] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.921793][ T8489] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.978818][ T8489] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.989841][ T8489] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.027269][ T8489] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 173.802977][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 173.810226][ C0] rcu: 0-...!: (10499 ticks this GP) idle=3ce/1/0x4000000000000002 softirq=11497/11497 fqs=9 [ 173.820725][ C0] (t=10500 jiffies g=7101 q=430) [ 173.825762][ C0] rcu: rcu_preempt kthread starved for 10477 jiffies! g7101 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 173.836849][ C0] rcu: RCU grace-period kthread stack dump: [ 173.842868][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 173.850798][ C0] Call Trace: [ 173.854107][ C0] __schedule+0x9a0/0xcc0 [ 173.858588][ C0] schedule+0x181/0x210 [ 173.862749][ C0] schedule_timeout+0x14f/0x240 [ 173.867604][ C0] ? run_local_timers+0x120/0x120 [ 173.872625][ C0] rcu_gp_kthread+0xed8/0x1770 [ 173.877385][ C0] kthread+0x332/0x350 [ 173.881439][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 173.886538][ C0] ? kthread_blkcg+0xe0/0xe0 [ 173.891132][ C0] ret_from_fork+0x24/0x30 [ 173.895557][ C0] NMI backtrace for cpu 0 [ 173.899875][ C0] CPU: 0 PID: 8448 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 173.907342][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.918450][ C0] Call Trace: [ 173.921735][ C0] [ 173.924845][ C0] dump_stack+0x1fb/0x318 [ 173.929601][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 173.934611][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 173.941113][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 173.947339][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 173.953841][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 173.959980][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 173.965091][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 173.970290][ C0] ? trace_hardirqs_off+0x74/0x80 [ 173.975564][ C0] update_process_times+0x12d/0x180 [ 173.981197][ C0] tick_sched_timer+0x263/0x420 [ 173.986039][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 173.991574][ C0] __hrtimer_run_queues+0x403/0x840 [ 173.999743][ C0] hrtimer_interrupt+0x38c/0xda0 [ 174.004805][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.010536][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 174.016375][ C0] apic_timer_interrupt+0xf/0x20 [ 174.021576][ C0] [ 174.024520][ C0] RIP: 0010:__memcg_kmem_uncharge+0x42/0x2e0 [ 174.030804][ C0] Code: 00 00 fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 74 08 4c 89 f7 e8 d8 f4 fa ff 4d 8b 3e b8 01 00 00 00 89 d9 e0 4d 85 ff 0f 84 bf 01 00 00 4c 39 3d 04 ce 8c 07 0f 84 6e 02 [ 174.051366][ C0] RSP: 0018:ffffc90001d47918 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 174.060211][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 174.068299][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00028b5180 [ 174.076647][ C0] RBP: ffffc90001d47948 R08: 000000000003a768 R09: ffffed101509a287 [ 174.084705][ C0] R10: ffffed101509a287 R11: 0000000000000000 R12: ffffea00028b5180 [ 174.094021][ C0] R13: 1ffffd4000516a37 R14: ffffea00028b51b8 R15: 0000000000000000 [ 174.102652][ C0] ? free_thread_stack+0x124/0x590 [ 174.107952][ C0] free_thread_stack+0x12e/0x590 [ 174.113070][ C0] put_task_stack+0xa3/0x130 [ 174.118791][ C0] finish_task_switch+0x3f1/0x550 [ 174.123998][ C0] __schedule+0x9a8/0xcc0 [ 174.128635][ C0] ? ___preempt_schedule+0x16/0x18 [ 174.134298][ C0] preempt_schedule+0xdb/0x120 [ 174.141167][ C0] ___preempt_schedule+0x16/0x18 [ 174.146553][ C0] ? __wake_up_sync_key+0xe2/0x150 [ 174.152109][ C0] _raw_spin_unlock_irqrestore+0xcc/0xe0 [ 174.161077][ C0] __wake_up_sync_key+0xe2/0x150 [ 174.166114][ C0] sock_def_readable+0x162/0x200 [ 174.171753][ C0] unix_dgram_sendmsg+0x1bd5/0x2690 [ 174.177135][ C0] ? __sys_sendmsg+0x20b/0x290 [ 174.181976][ C0] ? unix_dgram_poll+0x6b0/0x6b0 [ 174.186948][ C0] __sys_sendto+0x442/0x5e0 [ 174.191506][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 174.196931][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 174.203214][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 174.208947][ C0] ? check_preemption_disabled+0xb4/0x260 [ 174.214910][ C0] ? debug_smp_processor_id+0x9/0x20 [ 174.220223][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 174.225978][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 174.231449][ C0] __x64_sys_sendto+0xe5/0x100 [ 174.236249][ C0] do_syscall_64+0xf7/0x1c0 [ 174.240764][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 174.246794][ C0] RIP: 0033:0x7f87245d0282 [ 174.251228][ C0] Code: 48 83 c8 ff eb ea 90 90 53 48 83 ec 20 8b 05 81 d3 2a 00 85 c0 75 21 45 31 c9 45 31 c0 4c 63 d1 48 63 ff b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 61 48 83 c4 20 5b c3 48 89 54 24 08 89 0c 24 [ 174.270974][ C0] RSP: 002b:00007ffd47832c00 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 174.279415][ C0] RAX: ffffffffffffffda RBX: 0000000001aac0e0 RCX: 00007f87245d0282 [ 174.287394][ C0] RDX: 0000000000000008 RSI: 00007ffd47832c50 RDI: 0000000000000009 [ 174.296170][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 174.304162][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 174.312170][ C0] R13: 0000000001aac5a0 R14: 0000000001aa8250 R15: 000000000000000b