[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.721249][ T27] audit: type=1800 audit(1578456272.730:25): pid=8323 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.740601][ T27] audit: type=1800 audit(1578456272.730:26): pid=8323 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.760206][ T27] audit: type=1800 audit(1578456272.730:27): pid=8323 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.49' (ECDSA) to the list of known hosts. 2020/01/08 04:04:42 fuzzer started 2020/01/08 04:04:44 dialing manager at 10.128.0.26:35703 2020/01/08 04:04:44 syscalls: 2824 2020/01/08 04:04:44 code coverage: enabled 2020/01/08 04:04:44 comparison tracing: enabled 2020/01/08 04:04:44 extra coverage: enabled 2020/01/08 04:04:44 setuid sandbox: enabled 2020/01/08 04:04:44 namespace sandbox: enabled 2020/01/08 04:04:44 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 04:04:44 fault injection: enabled 2020/01/08 04:04:44 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 04:04:44 net packet injection: enabled 2020/01/08 04:04:44 net device setup: enabled 2020/01/08 04:04:44 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 04:04:44 devlink PCI setup: PCI device 0000:00:10.0 is not available 04:04:45 executing program 0: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000c07e98)=@newsa={0x144, 0x10, 0x713, 0x0, 0x0, {{@in, @in=@loopback}, {@in6, 0x0, 0x33}, @in=@broadcast, {}, {}, {}, 0x0, 0x0, 0xa}, [@mark={0xc}, @algo_auth={0x48, 0x1, {{'md5\x00'}}}]}, 0x144}}, 0x0) 04:04:45 executing program 1: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40086602, 0x400007) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.events\x00', 0x7a05, 0x1700) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r1, &(0x7f0000000000)=ANY=[@ANYBLOB='\x00memovy '], 0xda00) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) write$cgroup_int(r2, &(0x7f0000000200)=0x3c00, 0x43400) syzkaller login: [ 58.298633][ T8490] IPVS: ftp: loaded support on port[0] = 21 [ 58.402189][ T8492] IPVS: ftp: loaded support on port[0] = 21 04:04:45 executing program 2: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40086602, 0x400007) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.events\x00', 0x7a05, 0x1700) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r1, &(0x7f0000000000)=ANY=[@ANYBLOB='\x00mamovy '], 0xda00) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) write$cgroup_int(r2, &(0x7f0000000200)=0x3c00, 0x43400) [ 58.494071][ T8490] chnl_net:caif_netlink_parms(): no params data found [ 58.639290][ T8490] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.656830][ T8490] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.664736][ T8490] device bridge_slave_0 entered promiscuous mode [ 58.680887][ T8492] chnl_net:caif_netlink_parms(): no params data found [ 58.691321][ T8490] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.701459][ T8490] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.709721][ T8490] device bridge_slave_1 entered promiscuous mode [ 58.725454][ T8496] IPVS: ftp: loaded support on port[0] = 21 04:04:45 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000001c0)=@can_newroute={0x1f, 0x18, 0x5, 0x0, 0x0, {}, [@CGW_LIM_HOPS={0x8}, @CGW_MOD_AND={0x18, 0x1, {{{}, 0x0, 0x0, 0x0, 0x0, "2ab69206730b60eb"}}}, @CGW_CS_CRC8={0x120, 0x6, {0x0, 0x0, 0x0, 0x0, 0x0, "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", 0x0, "32448464957d40b1713bb20bf9f5e28dc392aaf1"}}]}, 0x154}}, 0x0) [ 58.781271][ T8490] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.811805][ T8490] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.843445][ T8492] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.866020][ T8492] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.886884][ T8492] device bridge_slave_0 entered promiscuous mode [ 58.903562][ T8490] team0: Port device team_slave_0 added [ 58.919253][ T8492] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.937864][ T8492] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.946038][ T8492] device bridge_slave_1 entered promiscuous mode [ 58.967253][ T8490] team0: Port device team_slave_1 added [ 59.012039][ T8492] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.039092][ T8492] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 04:04:46 executing program 4: mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x0, 0x4ca31, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) mmap(&(0x7f00009ff000/0x600000)=nil, 0x600000, 0x0, 0x12, r0, 0x0) [ 59.089995][ T8492] team0: Port device team_slave_0 added [ 59.178618][ T8490] device hsr_slave_0 entered promiscuous mode [ 59.217135][ T8490] device hsr_slave_1 entered promiscuous mode [ 59.263479][ T8498] IPVS: ftp: loaded support on port[0] = 21 [ 59.283291][ T8492] team0: Port device team_slave_1 added [ 59.297905][ T8500] IPVS: ftp: loaded support on port[0] = 21 04:04:46 executing program 5: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x3) bind$bt_l2cap(r0, &(0x7f0000000100)={0x1f, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa0}}, 0xe) listen(r0, 0x0) [ 59.344587][ T8496] chnl_net:caif_netlink_parms(): no params data found [ 59.508171][ T8492] device hsr_slave_0 entered promiscuous mode [ 59.566374][ T8492] device hsr_slave_1 entered promiscuous mode [ 59.606064][ T8492] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 59.613854][ T8492] Cannot create hsr debugfs directory [ 59.693917][ T8496] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.701222][ T8496] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.709336][ T8496] device bridge_slave_0 entered promiscuous mode [ 59.720350][ T8496] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.727697][ T8496] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.735302][ T8496] device bridge_slave_1 entered promiscuous mode [ 59.771333][ T8504] IPVS: ftp: loaded support on port[0] = 21 [ 59.788474][ T8496] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.802826][ T8496] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.849776][ T8490] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.922594][ T8490] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.015293][ T8496] team0: Port device team_slave_0 added [ 60.022975][ T8490] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.060218][ T8490] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.118674][ T8492] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.190850][ T8496] team0: Port device team_slave_1 added [ 60.208150][ T8492] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.231075][ T8492] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.279381][ T8492] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.354384][ T8498] chnl_net:caif_netlink_parms(): no params data found [ 60.409187][ T8496] device hsr_slave_0 entered promiscuous mode [ 60.446400][ T8496] device hsr_slave_1 entered promiscuous mode [ 60.486530][ T8496] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 60.494136][ T8496] Cannot create hsr debugfs directory [ 60.591602][ T8500] chnl_net:caif_netlink_parms(): no params data found [ 60.613680][ T8498] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.621956][ T8498] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.630971][ T8498] device bridge_slave_0 entered promiscuous mode [ 60.644805][ T8498] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.652547][ T8498] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.660926][ T8498] device bridge_slave_1 entered promiscuous mode [ 60.683958][ T8498] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.737495][ T8498] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.776995][ T8504] chnl_net:caif_netlink_parms(): no params data found [ 60.811347][ T8500] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.819537][ T8500] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.827586][ T8500] device bridge_slave_0 entered promiscuous mode [ 60.837655][ T8498] team0: Port device team_slave_0 added [ 60.857760][ T8500] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.864990][ T8500] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.872824][ T8500] device bridge_slave_1 entered promiscuous mode [ 60.895545][ T8498] team0: Port device team_slave_1 added [ 60.920398][ T8500] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.950934][ T8490] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.966950][ T8496] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.999105][ T8496] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.048218][ T8504] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.057569][ T8504] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.065232][ T8504] device bridge_slave_0 entered promiscuous mode [ 61.078271][ T8500] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.101501][ T8500] team0: Port device team_slave_0 added [ 61.108106][ T8496] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.168635][ T8504] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.175766][ T8504] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.183847][ T8504] device bridge_slave_1 entered promiscuous mode [ 61.205338][ T8504] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.216764][ T8504] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.227365][ T8500] team0: Port device team_slave_1 added [ 61.242028][ T8496] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.300443][ T8492] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.358100][ T8498] device hsr_slave_0 entered promiscuous mode [ 61.416172][ T8498] device hsr_slave_1 entered promiscuous mode [ 61.466104][ T8498] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.473933][ T8498] Cannot create hsr debugfs directory [ 61.496714][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.504988][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.525237][ T8492] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.535363][ T8504] team0: Port device team_slave_0 added [ 61.543679][ T8504] team0: Port device team_slave_1 added [ 61.558068][ T8490] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.571262][ T3927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.579365][ T3927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.679666][ T8500] device hsr_slave_0 entered promiscuous mode [ 61.717088][ T8500] device hsr_slave_1 entered promiscuous mode [ 61.756145][ T8500] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.763783][ T8500] Cannot create hsr debugfs directory [ 61.770546][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.780156][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.788780][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.796112][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.804096][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.813704][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.822093][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.829195][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.836854][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.845342][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.853755][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.860827][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.917796][ T8504] device hsr_slave_0 entered promiscuous mode [ 61.936367][ T8504] device hsr_slave_1 entered promiscuous mode [ 61.976206][ T8504] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.983813][ T8504] Cannot create hsr debugfs directory [ 62.013151][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.021375][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.029994][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.038628][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.047656][ T2675] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.054687][ T2675] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.063440][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.071941][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.080635][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.089269][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.130583][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.138914][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.147650][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.156537][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.164840][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.173639][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.182360][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.192524][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.200916][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.222469][ T8492] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.252971][ T3927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.263657][ T3927] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.272696][ T3927] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.314255][ T8496] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.333081][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.342547][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.351285][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.359816][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.374150][ T8490] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.386612][ T8490] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.405001][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.414310][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.422940][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.431328][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.462186][ T8496] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.476171][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.483674][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.497090][ T8498] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.565269][ T8492] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.588374][ T8498] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.617847][ T3927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.626700][ T3927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.634940][ T3927] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.642059][ T3927] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.650616][ T3927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.682197][ T8498] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.709308][ T8498] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.778980][ T8500] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 62.858319][ T8500] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 62.898469][ T8504] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.948172][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.956861][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.965376][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.972504][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.004531][ T8500] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.047291][ T8504] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 63.118269][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.127348][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.136292][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.144817][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.153188][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.162298][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.170521][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.178394][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.186357][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.202242][ T8492] device veth0_vlan entered promiscuous mode [ 63.209839][ T8500] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 63.238410][ T8504] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 63.292870][ T8490] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.302336][ T3928] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.324058][ T8504] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 63.378913][ T8492] device veth1_vlan entered promiscuous mode [ 63.402043][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.411023][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.420589][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.429481][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.438440][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.478024][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.486722][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.494677][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 63.504245][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 63.513191][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.521640][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.536351][ T8490] device veth0_vlan entered promiscuous mode [ 63.546437][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 63.555286][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 63.565181][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.576728][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.597983][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 63.606759][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 63.616288][ T8496] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.628801][ T8490] device veth1_vlan entered promiscuous mode [ 63.707685][ T8496] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.780960][ T8500] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.811499][ T8500] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.834311][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 63.844161][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 63.853452][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.861420][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.870256][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.878717][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.887453][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.897238][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.905754][ T2693] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.912907][ T2693] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.924179][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.933772][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.943158][ T2693] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.950390][ T2693] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.977973][ T8498] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.008154][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.020519][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.030290][ T2675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.055493][ T8498] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.068611][ T8504] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.088596][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.098373][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.108174][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.116389][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.124623][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.133917][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.143826][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.153768][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.162921][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.173069][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.211009][ T8500] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.223782][ T8500] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.237579][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.247466][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.256976][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.266521][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.273804][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.282354][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.292093][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.301717][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.309215][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.318255][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.327367][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.335494][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.345084][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.354312][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.363317][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 64.372727][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 64.389645][ T8504] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.401680][ T8496] device veth0_vlan entered promiscuous mode [ 64.426295][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.436777][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 64.445285][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 64.453813][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.464255][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.477719][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.489067][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.502229][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.512011][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.526100][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 168.705816][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 168.712845][ C0] rcu: 0-...!: (10499 ticks this GP) idle=c52/1/0x4000000000000002 softirq=11901/11901 fqs=41 [ 168.723455][ C0] (t=10501 jiffies g=6677 q=1089) [ 168.728598][ C0] rcu: rcu_preempt kthread starved for 10417 jiffies! g6677 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 168.739692][ C0] rcu: RCU grace-period kthread stack dump: [ 168.745576][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 168.753575][ C0] Call Trace: [ 168.756873][ C0] __schedule+0x9a0/0xcc0 [ 168.761205][ C0] schedule+0x181/0x210 [ 168.765354][ C0] schedule_timeout+0x14f/0x240 [ 168.770195][ C0] ? run_local_timers+0x120/0x120 [ 168.775215][ C0] rcu_gp_kthread+0xed8/0x1770 [ 168.779981][ C0] kthread+0x332/0x350 [ 168.784036][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 168.789146][ C0] ? kthread_blkcg+0xe0/0xe0 [ 168.793729][ C0] ret_from_fork+0x24/0x30 [ 168.798146][ C0] NMI backtrace for cpu 0 [ 168.802473][ C0] CPU: 0 PID: 8460 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 168.810343][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.822814][ C0] Call Trace: [ 168.826085][ C0] [ 168.828930][ C0] dump_stack+0x1fb/0x318 [ 168.833254][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 168.838106][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 168.844252][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 168.851272][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 168.857255][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 168.863222][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 168.868330][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 168.873519][ C0] ? trace_hardirqs_off+0x74/0x80 [ 168.878540][ C0] update_process_times+0x12d/0x180 [ 168.883737][ C0] tick_sched_timer+0x263/0x420 [ 168.888578][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.894115][ C0] __hrtimer_run_queues+0x403/0x840 [ 168.900719][ C0] hrtimer_interrupt+0x38c/0xda0 [ 168.905687][ C0] ? debug_smp_processor_id+0x9/0x20 [ 168.910976][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 168.916516][ C0] apic_timer_interrupt+0xf/0x20 [ 168.921442][ C0] [ 168.924370][ C0] RIP: 0010:__memcg_kmem_uncharge+0x1/0x1a0 [ 168.931108][ C0] Code: eb 1b 83 3d 20 bf ac 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 00 [ 168.950913][ C0] RSP: 0018:ffffc90001f57750 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.959509][ C0] RAX: ffffffff81489244 RBX: ffffea000257a540 RCX: ffff8880a8f123c0 [ 168.967755][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000257a540 [ 168.975750][ C0] RBP: ffffc90001f57798 R08: 000000000003a728 R09: ffffed10149e3a91 [ 168.983856][ C0] R10: ffffed10149e3a91 R11: 0000000000000000 R12: ffff88808edb7ca0 [ 168.991927][ C0] R13: dffffc0000000000 R14: 1ffff11011db6f94 R15: ffff8880a4f1d478 [ 169.000192][ C0] ? free_thread_stack+0x124/0x590 [ 169.005334][ C0] ? free_thread_stack+0x12e/0x590 [ 169.010467][ C0] put_task_stack+0xa3/0x130 [ 169.015179][ C0] finish_task_switch+0x3f1/0x550 [ 169.020226][ C0] __schedule+0x9a8/0xcc0 [ 169.024567][ C0] schedule+0x181/0x210 [ 169.028760][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 169.034856][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 169.040750][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 169.046143][ C0] poll_schedule_timeout+0x11c/0x1c0 [ 169.051453][ C0] do_sys_poll+0x83f/0x1250 [ 169.055977][ C0] ? debug_object_activate+0x2f7/0x6f0 [ 169.061463][ C0] ? debug_object_active_state+0x1e3/0x4a0 [ 169.067329][ C0] ? __lock_acquire+0xc75/0x1be0 [ 169.072408][ C0] ? __x32_compat_sys_ppoll_time64+0xd0/0xd0 [ 169.078419][ C0] ? trace_hardirqs_on+0x74/0x80 [ 169.083372][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 169.088145][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 169.092919][ C0] ? read_seqcount_begin+0x125/0x1c0 [ 169.098210][ C0] ? trace_hardirqs_on+0x74/0x80 [ 169.103159][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 169.107916][ C0] ? read_seqcount_begin+0x17a/0x1c0 [ 169.113193][ C0] ? ktime_get_ts64+0x236/0x2c0 [ 169.118123][ C0] ? timespec64_add_safe+0x171/0x1b0 [ 169.123400][ C0] __se_sys_poll+0x1b0/0x360 [ 169.128081][ C0] __x64_sys_poll+0x7b/0x90 [ 169.132577][ C0] do_syscall_64+0xf7/0x1c0 [ 169.137078][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.142957][ C0] RIP: 0033:0x7f739e700678 [ 169.149220][ C0] Code: 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 90 90 90 48 83 ec 28 8b 05 82 8f 2b 00 85 c0 75 17 48 63 d2 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 48 83 c4 28 c3 89 54 24 08 48 89 74 24 10 [ 169.168843][ C0] RSP: 002b:00007ffc229032f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 169.177265][ C0] RAX: ffffffffffffffda RBX: 20c49ba5e353f7cf RCX: 00007f739e700678 [ 169.185229][ C0] RDX: 000000000000ee32 RSI: 0000000000000001 RDI: 00007ffc229033b0 [ 169.193192][ C0] RBP: 0000000000000000 R08: 00007ffc22903300 R09: 00007ffc229970b8 [ 169.201152][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000146c450 [ 169.209117][ C0] R13: 000000000000213c R14: 00007ffc22903384 R15: 0000000001453250