Warning: Permanently added '10.128.15.229' (ECDSA) to the list of known hosts. 2019/12/03 02:10:06 fuzzer started 2019/12/03 02:10:08 dialing manager at 10.128.0.26:38907 2019/12/03 02:10:08 syscalls: 2697 2019/12/03 02:10:08 code coverage: enabled 2019/12/03 02:10:08 comparison tracing: enabled 2019/12/03 02:10:08 extra coverage: extra coverage is not supported by the kernel 2019/12/03 02:10:08 setuid sandbox: enabled 2019/12/03 02:10:08 namespace sandbox: enabled 2019/12/03 02:10:08 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 02:10:08 fault injection: enabled 2019/12/03 02:10:08 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 02:10:08 net packet injection: enabled 2019/12/03 02:10:08 net device setup: enabled 2019/12/03 02:10:08 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 02:10:08 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:10:09 executing program 0: r0 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0x0, 0x0) ioctl$RTC_EPOCH_SET(r0, 0x40044103, 0x7ffffffff000) 02:10:09 executing program 1: r0 = creat(&(0x7f0000000100)='./bus\x00', 0x0) sendfile(r0, 0xffffffffffffffff, 0x0, 0x8000fffffffe) set_tid_address(0x0) pipe(&(0x7f0000000540)) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000001640)={0x0, 0x0, &(0x7f0000001600)={&(0x7f00000002c0)=ANY=[@ANYBLOB="e4ff03005400005523b1fe0500fa6218f72517f26c8c", @ANYBLOB="850081008ca31d3f003b54c91df8a31be46a014d43e66871c22ee20ce70f39885b2007369348b27eceb52aec5737ca70af71bee3b7a6117929e7b1d46d38b6a6b6c3285bb01e4d5d627b0f0911da0beb35118732bb0cbf909651c8c600fbde031f3161edefb1ba0706eb9644ce21b8e89e5300004c001f00ff6a4518c96e417975eb8dbfcd05c153"], 0x9e}}, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r0, 0xc0a85352, &(0x7f00000001c0)={{0x1, 0x4}, 'port0\x00', 0x10, 0x63427b1d37377d55, 0x9, 0x0, 0xa4bf, 0x0, 0x0, 0x0, 0x2, 0x7}) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x800000, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0x898fd13755b449c, &(0x7f0000000100)=[{&(0x7f0000000040)="800000003804000019000300e60100006c000000000000000100000001000000004000000040000080000000000000006d5ebe5a0000ffff53ef", 0xff66, 0x400}], 0x5, 0x0) syzkaller login: [ 60.248778][ T8213] IPVS: ftp: loaded support on port[0] = 21 [ 60.321948][ T8215] IPVS: ftp: loaded support on port[0] = 21 02:10:09 executing program 2: r0 = memfd_create(&(0x7f0000000200)='eth0\x00', 0x0) write(r0, &(0x7f0000000040)="06", 0x1) mmap(&(0x7f0000000000/0x7000)=nil, 0x7000, 0x80000000004, 0x25011, r0, 0x0) r1 = socket(0x1e, 0x4, 0x0) setsockopt$TIPC_DEST_DROPPABLE(r1, 0x10f, 0x81, &(0x7f0000000480), 0x4) [ 60.417192][ T8213] chnl_net:caif_netlink_parms(): no params data found [ 60.535674][ T8215] chnl_net:caif_netlink_parms(): no params data found [ 60.555636][ T8213] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.572005][ T8213] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.580493][ T8213] device bridge_slave_0 entered promiscuous mode [ 60.599275][ T8219] IPVS: ftp: loaded support on port[0] = 21 [ 60.616656][ T8213] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.628999][ T8213] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.637561][ T8213] device bridge_slave_1 entered promiscuous mode [ 60.685559][ T8213] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.695123][ T8215] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.702282][ T8215] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.725439][ T8215] device bridge_slave_0 entered promiscuous mode 02:10:09 executing program 3: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x0, 0x0) ioctl$PPPIOCATTCHAN(r0, 0x40047438, &(0x7f0000000080)) [ 60.734891][ T8215] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.742112][ T8215] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.752326][ T8215] device bridge_slave_1 entered promiscuous mode [ 60.760733][ T8213] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.798830][ T8213] team0: Port device team_slave_0 added [ 60.819376][ T8215] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.831852][ T8213] team0: Port device team_slave_1 added [ 60.846228][ T8215] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.903781][ T8215] team0: Port device team_slave_0 added [ 60.965507][ T8213] device hsr_slave_0 entered promiscuous mode 02:10:10 executing program 4: creat(&(0x7f0000000000)='./bus\x00', 0x0) mount(&(0x7f0000000180)=ANY=[@ANYBLOB='ubi'], &(0x7f0000000100)='./bus\x00', &(0x7f0000000140)='ubifs\x00', 0x8804, 0x0) [ 61.014107][ T8213] device hsr_slave_1 entered promiscuous mode [ 61.121824][ T8215] team0: Port device team_slave_1 added [ 61.142346][ T8221] IPVS: ftp: loaded support on port[0] = 21 [ 61.169577][ T8219] chnl_net:caif_netlink_parms(): no params data found 02:10:10 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x0, 0x108000002, 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, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) readv(0xffffffffffffffff, 0x0, 0x0) [ 61.305377][ T8215] device hsr_slave_0 entered promiscuous mode [ 61.353165][ T8215] device hsr_slave_1 entered promiscuous mode [ 61.402880][ T8215] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.434898][ T8226] IPVS: ftp: loaded support on port[0] = 21 [ 61.465808][ T8213] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.501716][ T8224] IPVS: ftp: loaded support on port[0] = 21 [ 61.517018][ T8219] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.524621][ T8219] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.532260][ T8219] device bridge_slave_0 entered promiscuous mode [ 61.541630][ T8219] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.548737][ T8219] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.556291][ T8219] device bridge_slave_1 entered promiscuous mode [ 61.564019][ T8213] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.642320][ T8213] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.696406][ T8213] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.764915][ T8215] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.826129][ T8219] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.835716][ T8215] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.886292][ T8215] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.935958][ T8215] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.980860][ T8219] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.016768][ T8219] team0: Port device team_slave_0 added [ 62.039695][ T8219] team0: Port device team_slave_1 added [ 62.091125][ T8221] chnl_net:caif_netlink_parms(): no params data found [ 62.135273][ T8219] device hsr_slave_0 entered promiscuous mode [ 62.173909][ T8219] device hsr_slave_1 entered promiscuous mode [ 62.212871][ T8219] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.266942][ T8226] chnl_net:caif_netlink_parms(): no params data found [ 62.290823][ T8224] chnl_net:caif_netlink_parms(): no params data found [ 62.374235][ T8221] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.381347][ T8221] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.389310][ T8221] device bridge_slave_0 entered promiscuous mode [ 62.396718][ T8224] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.407720][ T8224] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.415698][ T8224] device bridge_slave_0 entered promiscuous mode [ 62.422922][ T8219] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.465294][ T8221] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.472385][ T8221] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.480783][ T8221] device bridge_slave_1 entered promiscuous mode [ 62.488112][ T8224] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.495934][ T8224] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.504067][ T8224] device bridge_slave_1 entered promiscuous mode [ 62.520306][ T8215] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.528026][ T8219] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.565446][ T8226] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.572536][ T8226] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.580802][ T8226] device bridge_slave_0 entered promiscuous mode [ 62.589199][ T8226] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.596472][ T8226] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.604476][ T8226] device bridge_slave_1 entered promiscuous mode [ 62.640277][ T8224] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.653737][ T8219] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.707124][ T8226] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.722168][ T8226] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.733813][ T8224] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.754261][ T8224] team0: Port device team_slave_0 added [ 62.760076][ T8219] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.809851][ T8221] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.829657][ T8213] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.838611][ T8224] team0: Port device team_slave_1 added [ 62.848252][ T8215] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.857359][ T8221] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.877667][ T8226] team0: Port device team_slave_0 added [ 62.887216][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.895813][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.912226][ T8213] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.928281][ T8226] team0: Port device team_slave_1 added [ 62.942353][ T8221] team0: Port device team_slave_0 added [ 62.952591][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.961693][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.970512][ T2815] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.977724][ T2815] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.986613][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.995848][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.004237][ T2815] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.011287][ T2815] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.018887][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.027082][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.034861][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.043526][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.051930][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.060451][ T2815] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.067555][ T2815] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.125354][ T8224] device hsr_slave_0 entered promiscuous mode [ 63.183248][ T8224] device hsr_slave_1 entered promiscuous mode [ 63.213246][ T8224] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.221991][ T8221] team0: Port device team_slave_1 added [ 63.233683][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.242527][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.250657][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.259317][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.268975][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.278177][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.286828][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.295241][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.304173][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.312325][ T2815] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.405646][ T8226] device hsr_slave_0 entered promiscuous mode [ 63.444393][ T8226] device hsr_slave_1 entered promiscuous mode [ 63.492902][ T8226] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.521105][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.530665][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.539083][ T8227] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.546291][ T8227] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.556231][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.565265][ T8227] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.624839][ T8221] device hsr_slave_0 entered promiscuous mode [ 63.663184][ T8221] device hsr_slave_1 entered promiscuous mode [ 63.722946][ T8221] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.732531][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.761612][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.803684][ T8221] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 63.855674][ T8221] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 63.924623][ T8221] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.976630][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.994266][ T8226] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 64.038614][ T8221] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 64.084117][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.091565][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.103167][ T8215] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.110880][ T8224] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.159028][ T8224] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 64.204190][ T8226] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 64.254745][ T8226] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 64.311530][ T8219] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.322034][ T3127] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.332552][ T3127] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.341251][ T3127] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.350077][ T3127] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.358510][ T3127] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.367606][ T8224] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.425675][ T8226] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.481651][ T8219] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.491548][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.513343][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.521618][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.529674][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.538046][ T8224] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 64.591722][ T8213] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.604547][ T8213] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.662739][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.671498][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.686836][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.698616][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.710891][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.718029][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.733771][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.742457][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.756640][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.763744][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.774438][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.802654][ T8213] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 169.702718][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 169.709493][ C1] rcu: 1-...!: (1 GPs behind) idle=fc2/1/0x4000000000000002 softirq=11547/11551 fqs=10 [ 169.719446][ C1] (t=10500 jiffies g=6689 q=303) [ 169.724460][ C1] rcu: rcu_preempt kthread starved for 10477 jiffies! g6689 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 169.735540][ C1] rcu: RCU grace-period kthread stack dump: [ 169.741415][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 169.749301][ C1] Call Trace: [ 169.752584][ C1] __schedule+0x9a0/0xcc0 [ 169.756912][ C1] schedule+0x181/0x210 [ 169.761054][ C1] schedule_timeout+0x14f/0x240 [ 169.765891][ C1] ? run_local_timers+0x120/0x120 [ 169.770907][ C1] rcu_gp_kthread+0xed8/0x1770 [ 169.775666][ C1] kthread+0x332/0x350 [ 169.779721][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 169.784820][ C1] ? kthread_blkcg+0xe0/0xe0 [ 169.789396][ C1] ret_from_fork+0x24/0x30 [ 169.793921][ C1] NMI backtrace for cpu 1 [ 169.798243][ C1] CPU: 1 PID: 8235 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 169.806460][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.816495][ C1] Call Trace: [ 169.819786][ C1] [ 169.822663][ C1] dump_stack+0x1fb/0x318 [ 169.827095][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 169.831936][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 169.838085][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.844138][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.850121][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.856008][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.861109][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.866302][ C1] ? trace_hardirqs_off+0x74/0x80 [ 169.871315][ C1] update_process_times+0x12d/0x180 [ 169.876501][ C1] tick_sched_timer+0x263/0x420 [ 169.881357][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.886889][ C1] __hrtimer_run_queues+0x403/0x840 [ 169.892262][ C1] hrtimer_interrupt+0x38c/0xda0 [ 169.897200][ C1] ? debug_smp_processor_id+0x9/0x20 [ 169.902475][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 169.908004][ C1] apic_timer_interrupt+0xf/0x20 [ 169.912928][ C1] [ 169.915860][ C1] RIP: 0010:mod_memcg_page_state+0xe/0x190 [ 169.921654][ C1] Code: 00 eb 05 e8 04 29 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 54 53 41 89 f6 <48> 89 fb e8 da 28 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 [ 169.941242][ C1] RSP: 0018:ffffc900023a73d8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 169.949634][ C1] RAX: 1ffff11011e569e1 RBX: ffff88808f2b4f08 RCX: 0000000000000000 [ 169.957592][ C1] RDX: ffffc90006db9000 RSI: 00000000fffffffc RDI: ffffea00024b2380 [ 169.965549][ C1] RBP: ffffc900023a73f8 R08: 000000000003a768 R09: ffffed101253b6ff [ 169.973613][ C1] R10: ffffed101253b6ff R11: 0000000000000000 R12: ffff88808f2b4fa0 [ 169.981570][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880929db7e8 [ 169.989549][ C1] free_thread_stack+0x168/0x590 [ 169.994477][ C1] put_task_stack+0xa3/0x130 [ 169.999052][ C1] finish_task_switch+0x3f1/0x550 [ 170.004066][ C1] __schedule+0x9a8/0xcc0 [ 170.008421][ C1] preempt_schedule_irq+0xc1/0x140 [ 170.013544][ C1] retint_kernel+0x1b/0x2b [ 170.017965][ C1] RIP: 0010:kfree+0x1a3/0x200 [ 170.022645][ C1] Code: 48 83 3d 67 19 59 07 00 74 68 4c 89 f7 57 9d 0f 1f 44 00 00 eb 19 e8 ec b7 ca ff 48 83 3d 4c 19 59 07 00 74 51 4c 89 f7 57 9d <0f> 1f 44 00 00 5b 41 5c 41 5e 41 5f 5d c3 48 ff c9 48 89 c8 e9 c8 [ 170.042253][ C1] RSP: 0018:ffffc900023a7658 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff02 [ 170.050655][ C1] RAX: ffff8880a82708d4 RBX: ffff8880aa802000 RCX: ffffffff815c0597 [ 170.058610][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000286 [ 170.066915][ C1] RBP: ffffc900023a7678 R08: ffff8880a8270898 R09: fffffbfff13c852d [ 170.074872][ C1] R10: fffffbfff13c852d R11: 0000000000000000 R12: ffff888095e94000 [ 170.082831][ C1] R13: ffff8880953a0800 R14: 0000000000000286 R15: ffffffff835292d7 [ 170.090807][ C1] ? tomoyo_init_log+0x1da7/0x1e70 [ 170.095911][ C1] ? mark_lock+0x107/0x1650 [ 170.100607][ C1] tomoyo_init_log+0x1da7/0x1e70 [ 170.105547][ C1] tomoyo_supervisor+0x2c7/0x1330 [ 170.110560][ C1] ? vsnprintf+0x139/0x1c00 [ 170.115086][ C1] ? snprintf+0x6f/0x90 [ 170.119240][ C1] tomoyo_path_number_perm+0x471/0x640 [ 170.124744][ C1] ? d_alloc_parallel+0x134d/0x1430 [ 170.129932][ C1] tomoyo_path_mknod+0x134/0x160 [ 170.134861][ C1] security_path_mknod+0xef/0x170 [ 170.139874][ C1] path_openat+0x147f/0x44a0 [ 170.144469][ C1] ? __kasan_kmalloc+0x178/0x1b0 [ 170.149451][ C1] do_filp_open+0x192/0x3d0 [ 170.153979][ C1] do_sys_open+0x29f/0x560 [ 170.158383][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 170.163832][ C1] __x64_sys_creat+0x65/0x70 [ 170.168409][ C1] do_syscall_64+0xf7/0x1c0 [ 170.173423][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.179299][ C1] RIP: 0033:0x45a679 [ 170.183178][ 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 [ 170.202782][ C1] RSP: 002b:00007f386d9f4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 170.211184][ C1] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 000000000045a679 [ 170.219146][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 [ 170.227103][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 170.235058][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f386d9f56d4 [ 170.243013][ C1] R13: 00000000004c0f28 R14: 00000000004d4c40 R15: 00000000ffffffff