[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.801763][ T24] audit: type=1800 audit(1578480836.873:25): pid=8400 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.822580][ T24] audit: type=1800 audit(1578480836.873:26): pid=8400 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 57.893762][ T24] audit: type=1800 audit(1578480836.873:27): pid=8400 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 '10.128.1.42' (ECDSA) to the list of known hosts. 2020/01/08 10:54:05 fuzzer started 2020/01/08 10:54:06 dialing manager at 10.128.0.26:35703 2020/01/08 10:54:06 syscalls: 2824 2020/01/08 10:54:06 code coverage: enabled 2020/01/08 10:54:06 comparison tracing: enabled 2020/01/08 10:54:06 extra coverage: enabled 2020/01/08 10:54:06 setuid sandbox: enabled 2020/01/08 10:54:06 namespace sandbox: enabled 2020/01/08 10:54:06 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 10:54:06 fault injection: enabled 2020/01/08 10:54:06 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 10:54:06 net packet injection: enabled 2020/01/08 10:54:06 net device setup: enabled 2020/01/08 10:54:06 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 10:54:06 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:54:07 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x10000000013, &(0x7f0000000100)=0x1, 0x4) recvmsg(r0, &(0x7f0000000600)={0x0, 0x0, 0x0}, 0x142) 10:54:07 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) bind$alg(r0, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(des3_ede)\x00'}, 0x58) r3 = accept4(r0, 0x0, 0x0, 0x0) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000100)="ad56b6c5820fae9d6dcd3292ea54c7beef915d564c90c200", 0x18) sendto$unix(r3, &(0x7f0000000240)="a1506b0916fdffff", 0x8, 0x0, 0x0, 0x0) recvfrom(r3, &(0x7f0000000f80)=""/4087, 0xffffff2d, 0x0, 0x0, 0x410) syzkaller login: [ 68.787608][ T8566] IPVS: ftp: loaded support on port[0] = 21 10:54:08 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000080)={@remote, 0x800, 0x0, 0xff, 0x1}, 0x20) setsockopt$inet6_int(r0, 0x29, 0x1000000000021, &(0x7f00000005c0)=0x1, 0x4) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x380000, @ipv4}, 0x1c) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000080)={@initdev={0xfe, 0x88, [], 0x0, 0x0}, 0x800, 0x1}, 0x20) [ 68.932247][ T8569] IPVS: ftp: loaded support on port[0] = 21 [ 68.967246][ T8566] chnl_net:caif_netlink_parms(): no params data found [ 69.072578][ T8571] IPVS: ftp: loaded support on port[0] = 21 [ 69.091308][ T8566] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.113822][ T8566] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.122762][ T8566] device bridge_slave_0 entered promiscuous mode [ 69.186075][ T8566] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.193205][ T8566] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.202354][ T8566] device bridge_slave_1 entered promiscuous mode [ 69.233410][ T8569] chnl_net:caif_netlink_parms(): no params data found 10:54:08 executing program 3: perf_event_open(&(0x7f0000000600)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 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}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) r0 = socket(0x200000000000011, 0x4000000000080002, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000140)={'ip6_vti0\x00', 0x0}) bind$packet(r0, &(0x7f00000001c0)={0x11, 0x800, r2, 0x1, 0x0, 0x6, @dev}, 0x14) sendmmsg(r0, &(0x7f0000000d00), 0x400004e, 0x0) [ 69.281544][ T8566] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.303960][ T8566] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.394577][ T8566] team0: Port device team_slave_0 added [ 69.430705][ T8566] team0: Port device team_slave_1 added [ 69.476823][ T8569] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.484678][ T8569] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.492529][ T8569] device bridge_slave_0 entered promiscuous mode [ 69.513520][ T8575] IPVS: ftp: loaded support on port[0] = 21 [ 69.525208][ T8569] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.532280][ T8569] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.554465][ T8569] device bridge_slave_1 entered promiscuous mode [ 69.565546][ T8571] chnl_net:caif_netlink_parms(): no params data found 10:54:08 executing program 4: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) perf_event_open(&(0x7f0000000600)={0x1, 0x43b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 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}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f00000001c0)={{0x2, 0x0, @local}, {0x0, @random="e48221007710"}, 0x18, {0x2, 0x0, @empty}}) [ 69.626489][ T8566] device hsr_slave_0 entered promiscuous mode [ 69.695653][ T8566] device hsr_slave_1 entered promiscuous mode 10:54:08 executing program 5: unshare(0x400) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000fe8)) ppoll(&(0x7f0000000000)=[{r0}], 0x1, 0x0, 0x0, 0x0) [ 69.779702][ T8569] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.809192][ T8569] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.857979][ T8577] IPVS: ftp: loaded support on port[0] = 21 [ 69.947154][ T8571] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.955677][ T8571] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.964597][ T8571] device bridge_slave_0 entered promiscuous mode [ 69.974022][ T8569] team0: Port device team_slave_0 added [ 70.011568][ T8571] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.019018][ T8571] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.027013][ T8571] device bridge_slave_1 entered promiscuous mode [ 70.035409][ T8569] team0: Port device team_slave_1 added [ 70.075817][ T8566] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.117154][ T8566] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.223403][ T8579] IPVS: ftp: loaded support on port[0] = 21 [ 70.276464][ T8569] device hsr_slave_0 entered promiscuous mode [ 70.333991][ T8569] device hsr_slave_1 entered promiscuous mode [ 70.403705][ T8569] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.411402][ T8569] Cannot create hsr debugfs directory [ 70.424273][ T8566] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.467308][ T8571] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.479770][ T8571] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.505983][ T8566] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.569574][ T8571] team0: Port device team_slave_0 added [ 70.594543][ T8575] chnl_net:caif_netlink_parms(): no params data found [ 70.631573][ T8571] team0: Port device team_slave_1 added [ 70.662019][ T8577] chnl_net:caif_netlink_parms(): no params data found [ 70.735447][ T8571] device hsr_slave_0 entered promiscuous mode [ 70.773961][ T8571] device hsr_slave_1 entered promiscuous mode [ 70.803778][ T8571] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.811400][ T8571] Cannot create hsr debugfs directory [ 70.841211][ T8575] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.848979][ T8575] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.856833][ T8575] device bridge_slave_0 entered promiscuous mode [ 70.892513][ T8575] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.899801][ T8575] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.907907][ T8575] device bridge_slave_1 entered promiscuous mode [ 70.935232][ T8575] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.960284][ T8577] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.969043][ T8577] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.977728][ T8577] device bridge_slave_0 entered promiscuous mode [ 70.986657][ T8569] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 71.036372][ T8575] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.055581][ T8577] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.062657][ T8577] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.070437][ T8577] device bridge_slave_1 entered promiscuous mode [ 71.087030][ T8569] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 71.149436][ T8569] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 71.236416][ T8577] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.256927][ T8577] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.266276][ T8569] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 71.307552][ T8566] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.327485][ T8575] team0: Port device team_slave_0 added [ 71.371779][ T8575] team0: Port device team_slave_1 added [ 71.390306][ T8577] team0: Port device team_slave_0 added [ 71.400931][ T8577] team0: Port device team_slave_1 added [ 71.416200][ T8571] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 71.489241][ T8571] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 71.528053][ T8571] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 71.576585][ T8571] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 71.656417][ T8577] device hsr_slave_0 entered promiscuous mode [ 71.674381][ T8577] device hsr_slave_1 entered promiscuous mode [ 71.733732][ T8577] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.741322][ T8577] Cannot create hsr debugfs directory [ 71.748687][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.757318][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.816499][ T8575] device hsr_slave_0 entered promiscuous mode [ 71.884037][ T8575] device hsr_slave_1 entered promiscuous mode [ 71.923813][ T8575] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.931586][ T8575] Cannot create hsr debugfs directory [ 71.937424][ T8579] chnl_net:caif_netlink_parms(): no params data found [ 71.956399][ T8566] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.041127][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.050409][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.059170][ T2685] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.066372][ T2685] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.086588][ T8579] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.094146][ T8579] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.101978][ T8579] device bridge_slave_0 entered promiscuous mode [ 72.111185][ T8579] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.118407][ T8579] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.126504][ T8579] device bridge_slave_1 entered promiscuous mode [ 72.143133][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.177489][ T8579] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.194910][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.208762][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.217249][ T2678] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.224472][ T2678] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.243528][ T8579] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.267504][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.305121][ T8579] team0: Port device team_slave_0 added [ 72.311017][ T2768] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.321933][ T8577] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 72.377823][ T8579] team0: Port device team_slave_1 added [ 72.392120][ T8569] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.400624][ T8577] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.496537][ T8579] device hsr_slave_0 entered promiscuous mode [ 72.564268][ T8579] device hsr_slave_1 entered promiscuous mode [ 72.603804][ T8579] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.612522][ T8579] Cannot create hsr debugfs directory [ 72.623173][ T8575] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 72.690304][ T8577] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.749010][ T8577] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.817950][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.826573][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.837401][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.846371][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.855004][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.865578][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.873372][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.881525][ T8575] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 72.935900][ T8575] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 73.006549][ T8575] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 73.064431][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.072831][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.099363][ T8569] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.117353][ T8566] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.130728][ T8566] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.150315][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.158910][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.178675][ T8571] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.202646][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.216191][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.225475][ T2772] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.232558][ T2772] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.240347][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.248585][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.269832][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.277815][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.286591][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.295363][ T2772] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.302404][ T2772] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.310297][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.318800][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.345084][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.352755][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.368348][ T8566] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.390159][ T8571] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.399108][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.413208][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.421911][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.460210][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.470000][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.478430][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.487003][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.495862][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.504535][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.512859][ T2772] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.520051][ T2772] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.545485][ T8579] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 73.599070][ T8569] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 73.610848][ T8569] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.631047][ T8566] device veth0_vlan entered promiscuous mode [ 73.637728][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.645692][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.655119][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.664399][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.672659][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.681726][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.690435][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.706411][ T8575] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.713229][ T8579] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 73.772480][ T8577] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.783780][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.791903][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.802002][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.810817][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.819571][ T2772] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.826673][ T2772] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.834473][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.852244][ T8575] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.863652][ T8579] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 73.895621][ T8579] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 73.956763][ T8577] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.964843][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.972577][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.980662][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.988753][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.998423][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.008268][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.017270][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.026041][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.033884][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.041810][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.054393][ T8569] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.063910][ T8566] device veth1_vlan entered promiscuous mode [ 74.085094][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.093056][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.104316][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.112797][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.122665][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.131700][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.140472][ T2678] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.147547][ T2678] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.161187][ T8571] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 74.171850][ T8571] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.209809][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.217966][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.230776][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.239664][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.249056][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.257637][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.266368][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.275050][ T2678] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.282295][ T2678] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.289920][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.299394][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.308629][ T2678] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.315775][ T2678] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.323279][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.332396][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.340801][ T2678] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.347903][ T2678] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.355821][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.365026][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.374135][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.381884][ T2678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.395903][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.408615][ T2772] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.418854][ T3213] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.443679][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.452898][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.462498][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.479905][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.500461][ T2685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 179.503568][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 179.510330][ C1] rcu: 1-...!: (10499 ticks this GP) idle=13e/1/0x4000000000000002 softirq=14920/14920 fqs=0 [ 179.520796][ C1] (t=10500 jiffies g=7069 q=45) [ 179.525744][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g7069 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 179.537622][ C1] rcu: RCU grace-period kthread stack dump: [ 179.543505][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 179.551393][ C1] Call Trace: [ 179.554684][ C1] __schedule+0x9a0/0xcc0 [ 179.559016][ C1] schedule+0x181/0x210 [ 179.563166][ C1] schedule_timeout+0x14f/0x240 [ 179.568007][ C1] ? run_local_timers+0x120/0x120 [ 179.573025][ C1] rcu_gp_kthread+0xed8/0x1770 [ 179.577787][ C1] kthread+0x332/0x350 [ 179.581846][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 179.587032][ C1] ? kthread_blkcg+0xe0/0xe0 [ 179.591617][ C1] ret_from_fork+0x24/0x30 [ 179.596035][ C1] NMI backtrace for cpu 1 [ 179.600359][ C1] CPU: 1 PID: 8566 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 179.609011][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.619147][ C1] Call Trace: [ 179.622438][ C1] [ 179.625311][ C1] dump_stack+0x1fb/0x318 [ 179.629665][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 179.634534][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 179.640699][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 179.646784][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 179.652763][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 179.658649][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 179.663765][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 179.668961][ C1] ? trace_hardirqs_off+0x74/0x80 [ 179.673978][ C1] update_process_times+0x12d/0x180 [ 179.679166][ C1] tick_sched_timer+0x263/0x420 [ 179.684007][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 179.689544][ C1] __hrtimer_run_queues+0x403/0x840 [ 179.695787][ C1] hrtimer_interrupt+0x38c/0xda0 [ 179.701250][ C1] ? debug_smp_processor_id+0x9/0x20 [ 179.706526][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 179.712063][ C1] apic_timer_interrupt+0xf/0x20 [ 179.717001][ C1] [ 179.719931][ C1] RIP: 0010:mod_memcg_page_state+0x0/0x190 [ 179.725731][ C1] Code: 48 8b 3b e8 32 7e 60 00 eb 0c e8 eb 27 2e 00 eb 05 e8 e4 27 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 ba 27 2e 00 [ 179.745584][ C1] RSP: 0018:ffffc900021b7bc8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 179.754243][ C1] RAX: 1ffff110131f4351 RBX: ffff888098fa1a88 RCX: 0000000000000000 [ 179.762300][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00023da0c0 [ 179.770258][ C1] RBP: ffffc900021b7c08 R08: dffffc0000000000 R09: fffffbfff12c962d [ 179.778227][ C1] R10: fffffbfff12c962d R11: 0000000000000000 R12: ffff888098fa1b20 [ 179.786358][ C1] R13: dffffc0000000000 R14: 1ffff110131f4364 R15: ffff888088eeb4f8 [ 179.794356][ C1] ? free_thread_stack+0x168/0x590 [ 179.799486][ C1] put_task_stack+0xa3/0x130 [ 179.804079][ C1] finish_task_switch+0x3f1/0x550 [ 179.809444][ C1] __schedule+0x9a8/0xcc0 [ 179.813776][ C1] schedule+0x181/0x210 [ 179.818289][ C1] do_nanosleep+0x1d0/0x6c0 [ 179.822901][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 179.827848][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 179.833768][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 179.838879][ C1] do_syscall_64+0xf7/0x1c0 [ 179.843894][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 179.849811][ C1] RIP: 0033:0x4593f0 [ 179.853727][ C1] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 179.874469][ C1] RSP: 002b:00007ffcc0d38708 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 179.883481][ C1] RAX: ffffffffffffffda RBX: 00000000000122f6 RCX: 00000000004593f0 [ 179.891526][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffcc0d38710 [ 179.899513][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000002190940 [ 179.907846][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 179.916000][ C1] R13: 00007ffcc0d38760 R14: 00000000000122e8 R15: 00007ffcc0d38770