[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 51.312928][ T23] audit: type=1800 audit(1578446456.660:25): pid=8308 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 51.331964][ T23] audit: type=1800 audit(1578446456.660:26): pid=8308 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 51.384023][ T23] audit: type=1800 audit(1578446456.670:27): pid=8308 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 '10.128.0.182' (ECDSA) to the list of known hosts. 2020/01/08 01:21:07 fuzzer started 2020/01/08 01:21:08 dialing manager at 10.128.0.26:35703 2020/01/08 01:21:08 syscalls: 2824 2020/01/08 01:21:08 code coverage: enabled 2020/01/08 01:21:08 comparison tracing: enabled 2020/01/08 01:21:08 extra coverage: enabled 2020/01/08 01:21:08 setuid sandbox: enabled 2020/01/08 01:21:08 namespace sandbox: enabled 2020/01/08 01:21:08 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 01:21:08 fault injection: enabled 2020/01/08 01:21:08 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 01:21:08 net packet injection: enabled 2020/01/08 01:21:08 net device setup: enabled 2020/01/08 01:21:08 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 01:21:08 devlink PCI setup: PCI device 0000:00:10.0 is not available 01:21:09 executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r2, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) setsockopt$inet6_int(r2, 0x29, 0x43, 0x0, 0x300) 01:21:10 executing program 1: r0 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000100)="d800000018008100e00f80ecdb4cb904021d65ef0b007c05e87c55a1bc000900b8000699030000000b0012000200812fa8000b000f0063e3e558f030035c3b61c1d67f6f94007134cf6efb8000a007a290457f0189b316277ce06bbace8017cbec4c2ee5a7cef4090000001fb791643a5ee4ce1b14d6d930dfe1d9d322fe7c9f8775730d16a4683e4f6d0200003f5aeb4edbb57a5025ccca9e00360db798262f3d40fad95667e04adcdf634c1f215ce3bb9ad809d5e1cace81ed0b7fece0b42a9ecbee5de6ccd40dd6e4edef3d93452a92954b43370e9703", 0xd8}], 0x1}, 0x0) syzkaller login: [ 64.697900][ T8475] IPVS: ftp: loaded support on port[0] = 21 [ 64.855135][ T8475] chnl_net:caif_netlink_parms(): no params data found 01:21:10 executing program 2: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0xb, 0x7f, 0x7, 0x5, 0x1}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000140)={r0, &(0x7f0000000040), &(0x7f0000000080)}, 0x20) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) bpf$MAP_CREATE(0x2, &(0x7f0000000000)={0x3, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x2c) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000001c0)={r0, &(0x7f0000000000), &(0x7f0000000080)}, 0x20) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000000180)={r0, 0x0, 0x0}, 0x20) [ 64.927439][ T8478] IPVS: ftp: loaded support on port[0] = 21 [ 64.947959][ T8475] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.956291][ T8475] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.964671][ T8475] device bridge_slave_0 entered promiscuous mode [ 64.973944][ T8475] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.981397][ T8475] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.999984][ T8475] device bridge_slave_1 entered promiscuous mode [ 65.057165][ T8475] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.091228][ T8475] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.126462][ T8480] IPVS: ftp: loaded support on port[0] = 21 01:21:10 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000440)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r2, &(0x7f0000000080)={0x0, 0x18, 0xfa00, {0x0, 0x0, 0x13f}}, 0x20) [ 65.172233][ T8475] team0: Port device team_slave_0 added [ 65.207019][ T8475] team0: Port device team_slave_1 added [ 65.251021][ T8478] chnl_net:caif_netlink_parms(): no params data found [ 65.332600][ T8475] device hsr_slave_0 entered promiscuous mode [ 65.379639][ T8475] device hsr_slave_1 entered promiscuous mode [ 65.437676][ T8483] IPVS: ftp: loaded support on port[0] = 21 01:21:10 executing program 4: r0 = socket$inet6(0xa, 0x3, 0x6b) ioctl(r0, 0x1000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000280)={0x2, 0x4e23, @multicast1}, 0x10) sendto$inet(r1, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x41, &(0x7f0000000080)=0x655, 0x4) write$binfmt_elf64(r1, &(0x7f0000000640)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40}, [{}]}, 0x78) [ 65.489787][ T8478] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.497045][ T8478] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.520083][ T8478] device bridge_slave_0 entered promiscuous mode [ 65.566270][ T8478] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.575009][ T8478] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.583263][ T8478] device bridge_slave_1 entered promiscuous mode [ 65.621137][ T8480] chnl_net:caif_netlink_parms(): no params data found [ 65.698690][ T8478] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.713715][ T8478] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.776501][ T8478] team0: Port device team_slave_0 added [ 65.801971][ T8478] team0: Port device team_slave_1 added 01:21:11 executing program 5: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000240)={&(0x7f0000000080)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0xc, 0xc, 0x5, [@enum={0x1}]}, {0x0, [0x61, 0x30, 0x2e]}}, &(0x7f0000000100)=""/203, 0x29, 0xcb, 0x1}, 0x20) [ 65.839194][ T8475] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 65.912300][ T8483] chnl_net:caif_netlink_parms(): no params data found [ 65.922072][ T8486] IPVS: ftp: loaded support on port[0] = 21 [ 65.932897][ T8480] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.942631][ T8480] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.950793][ T8480] device bridge_slave_0 entered promiscuous mode [ 65.966130][ T8475] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.034429][ T8475] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.102171][ T8475] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.164940][ T8480] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.172774][ T8480] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.180900][ T8480] device bridge_slave_1 entered promiscuous mode [ 66.220757][ T8478] device hsr_slave_0 entered promiscuous mode [ 66.279302][ T8478] device hsr_slave_1 entered promiscuous mode [ 66.329887][ T8478] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.337806][ T8478] Cannot create hsr debugfs directory [ 66.366297][ T8480] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.407760][ T8489] IPVS: ftp: loaded support on port[0] = 21 [ 66.417008][ T8480] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.451659][ T8483] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.458726][ T8483] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.466666][ T8483] device bridge_slave_0 entered promiscuous mode [ 66.475791][ T8483] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.482911][ T8483] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.491005][ T8483] device bridge_slave_1 entered promiscuous mode [ 66.534690][ T8480] team0: Port device team_slave_0 added [ 66.542816][ T8480] team0: Port device team_slave_1 added [ 66.554773][ T8483] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.574728][ T8483] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.644045][ T8478] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.682785][ T8478] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.742807][ T8478] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.791946][ T8483] team0: Port device team_slave_0 added [ 66.797743][ T8478] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.931854][ T8480] device hsr_slave_0 entered promiscuous mode [ 66.979516][ T8480] device hsr_slave_1 entered promiscuous mode [ 67.019118][ T8480] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.026683][ T8480] Cannot create hsr debugfs directory [ 67.033169][ T8486] chnl_net:caif_netlink_parms(): no params data found [ 67.046750][ T8483] team0: Port device team_slave_1 added [ 67.171819][ T8483] device hsr_slave_0 entered promiscuous mode [ 67.209908][ T8483] device hsr_slave_1 entered promiscuous mode [ 67.249205][ T8483] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.256827][ T8483] Cannot create hsr debugfs directory [ 67.262867][ T8486] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.270013][ T8486] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.277609][ T8486] device bridge_slave_0 entered promiscuous mode [ 67.308283][ T8486] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.315518][ T8486] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.323450][ T8486] device bridge_slave_1 entered promiscuous mode [ 67.420422][ T8486] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.431737][ T8486] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.471019][ T8489] chnl_net:caif_netlink_parms(): no params data found [ 67.494180][ T8486] team0: Port device team_slave_0 added [ 67.506620][ T8475] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.513930][ T8483] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 67.553537][ T8483] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 67.610862][ T8480] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.661445][ T8486] team0: Port device team_slave_1 added [ 67.681853][ T8483] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 67.724383][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.732634][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.740810][ T8480] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.801081][ T8480] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.853682][ T8480] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.915670][ T8483] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 67.974050][ T8475] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.983183][ T8489] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.990918][ T8489] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.998577][ T8489] device bridge_slave_0 entered promiscuous mode [ 68.033791][ T8489] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.041031][ T8489] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.048585][ T8489] device bridge_slave_1 entered promiscuous mode [ 68.101877][ T8486] device hsr_slave_0 entered promiscuous mode [ 68.139466][ T8486] device hsr_slave_1 entered promiscuous mode [ 68.209187][ T8486] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.216808][ T8486] Cannot create hsr debugfs directory [ 68.230939][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.240152][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.248773][ T2709] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.256042][ T2709] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.263915][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.273147][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.281594][ T2709] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.288624][ T2709] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.296829][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.305298][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.314041][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.346388][ T8489] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.366308][ T8478] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.380335][ T8489] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.415532][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.424723][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.434724][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.443356][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.453197][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.467645][ T8475] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.481713][ T8475] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.513761][ T8489] team0: Port device team_slave_0 added [ 68.521561][ T2770] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.530356][ T2770] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.538869][ T2770] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.548324][ T2770] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.556583][ T2770] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.564612][ T2770] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.573098][ T2770] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.594335][ T8489] team0: Port device team_slave_1 added [ 68.612789][ T8478] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.638978][ T8475] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.691968][ T8489] device hsr_slave_0 entered promiscuous mode [ 68.739538][ T8489] device hsr_slave_1 entered promiscuous mode [ 68.779372][ T8489] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.786964][ T8489] Cannot create hsr debugfs directory [ 68.793700][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.804068][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.815203][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.824632][ T2699] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.833301][ T2699] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.840407][ T2699] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.848309][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.888176][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.897847][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.906580][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.915258][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.925134][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.933641][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.967139][ T8480] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.974571][ T8475] device veth0_vlan entered promiscuous mode [ 68.988514][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.997671][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.006983][ T2700] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.014072][ T2700] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.035633][ T8483] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.052042][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.065501][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.074722][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.083744][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.092085][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.100707][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.109356][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.145332][ T8486] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 69.183886][ T8486] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 69.230594][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.238288][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.255285][ T8483] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.263663][ T8475] device veth1_vlan entered promiscuous mode [ 69.276483][ T8480] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.283979][ T8486] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 69.331011][ T2770] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.338814][ T2770] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.346795][ T2770] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.355408][ T2770] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.364114][ T2770] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.372836][ T2770] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.386917][ T8478] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.403988][ T8486] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 69.468048][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.476722][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.485257][ T2709] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.492361][ T2709] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.500398][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.508915][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.517443][ T2709] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.524568][ T2709] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.532576][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.572826][ T8489] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.624075][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.632333][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.640979][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.652866][ T2919] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.659930][ T2919] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.667661][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.676746][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.685252][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.701174][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.709610][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.717303][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.725120][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.733618][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.742417][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.751352][ T2919] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.758407][ T2919] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.766191][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.775283][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.784104][ T2919] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.805749][ T8489] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.851473][ T8489] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.940279][ T8483] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.950772][ T8483] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.966211][ T8478] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.974510][ T8489] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 70.035109][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.044215][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.060740][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.075235][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.083731][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.099787][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.108518][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.125671][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.136913][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.171279][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.186120][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.197458][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.212080][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 175.009028][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.015906][ C1] rcu: 1-...!: (1 GPs behind) idle=61e/1/0x4000000000000002 softirq=14169/14170 fqs=39 [ 175.025869][ C1] (t=10501 jiffies g=6485 q=395) [ 175.030887][ C1] rcu: rcu_preempt kthread starved for 10424 jiffies! g6485 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 175.042229][ C1] rcu: RCU grace-period kthread stack dump: [ 175.049500][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 175.057387][ C1] Call Trace: [ 175.060676][ C1] __schedule+0x9a0/0xcc0 [ 175.065007][ C1] schedule+0x181/0x210 [ 175.069155][ C1] schedule_timeout+0x14f/0x240 [ 175.073998][ C1] ? run_local_timers+0x120/0x120 [ 175.079070][ C1] rcu_gp_kthread+0xed8/0x1770 [ 175.083879][ C1] kthread+0x332/0x350 [ 175.087946][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 175.093068][ C1] ? kthread_blkcg+0xe0/0xe0 [ 175.097654][ C1] ret_from_fork+0x24/0x30 [ 175.102074][ C1] NMI backtrace for cpu 1 [ 175.106519][ C1] CPU: 1 PID: 8475 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.115115][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.125339][ C1] Call Trace: [ 175.128617][ C1] [ 175.131478][ C1] dump_stack+0x1fb/0x318 [ 175.135804][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.140734][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.146882][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.152936][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.158907][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.164789][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.169895][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.175085][ C1] ? trace_hardirqs_off+0x74/0x80 [ 175.180104][ C1] update_process_times+0x12d/0x180 [ 175.187381][ C1] tick_sched_timer+0x263/0x420 [ 175.192222][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.197778][ C1] __hrtimer_run_queues+0x403/0x840 [ 175.203012][ C1] hrtimer_interrupt+0x38c/0xda0 [ 175.207991][ C1] ? debug_smp_processor_id+0x9/0x20 [ 175.213294][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 175.218842][ C1] apic_timer_interrupt+0xf/0x20 [ 175.223786][ C1] [ 175.226736][ C1] RIP: 0010:__memcg_kmem_uncharge+0x38/0x1a0 [ 175.232724][ C1] Code: 89 f3 49 89 fc 48 b8 00 00 00 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 48 07 fb ff <4d> 8b 3e b8 01 00 00 00 89 d9 d3 e0 4d 85 ff 0f 84 de 00 00 00 4c [ 175.252338][ C1] RSP: 0018:ffffc90002277b90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.260753][ C1] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff88807d0f8580 [ 175.268730][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002609000 [ 175.276881][ C1] RBP: ffffc90002277bc0 R08: dffffc0000000000 R09: fffffbfff124248a [ 175.285380][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffffea0002609000 [ 175.293358][ C1] R13: 1ffffd40004c1207 R14: ffffea0002609038 R15: ffff8880a813b938 [ 175.301468][ C1] ? free_thread_stack+0x124/0x590 [ 175.306591][ C1] free_thread_stack+0x12e/0x590 [ 175.311540][ C1] put_task_stack+0xa3/0x130 [ 175.316139][ C1] finish_task_switch+0x3f1/0x550 [ 175.321176][ C1] __schedule+0x9a8/0xcc0 [ 175.325513][ C1] schedule+0x181/0x210 [ 175.329673][ C1] do_nanosleep+0x1d0/0x6c0 [ 175.334183][ C1] hrtimer_nanosleep+0x3a6/0x5b0 [ 175.339130][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 175.344957][ C1] __x64_sys_nanosleep+0x186/0x1d0 [ 175.350070][ C1] do_syscall_64+0xf7/0x1c0 [ 175.354571][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 175.360458][ C1] RIP: 0033:0x4593f0 [ 175.364364][ 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 [ 175.384150][ C1] RSP: 002b:00007fffb13c1bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 175.392571][ C1] RAX: ffffffffffffffda RBX: 0000000000011157 RCX: 00000000004593f0 [ 175.400572][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fffb13c1bd0 [ 175.408540][ C1] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000002588940 [ 175.416503][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 175.424465][ C1] R13: 00007fffb13c1c20 R14: 0000000000011157 R15: 00007fffb13c1c30