[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 49.917169][ T25] audit: type=1800 audit(1575395562.838:25): pid=8121 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 49.947932][ T25] audit: type=1800 audit(1575395562.838:26): pid=8121 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 49.980819][ T25] audit: type=1800 audit(1575395562.838:27): pid=8121 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 '10.128.0.10' (ECDSA) to the list of known hosts. 2019/12/03 17:52:52 fuzzer started 2019/12/03 17:52:54 dialing manager at 10.128.0.26:42111 2019/12/03 17:52:54 syscalls: 2689 2019/12/03 17:52:54 code coverage: enabled 2019/12/03 17:52:54 comparison tracing: enabled 2019/12/03 17:52:54 extra coverage: extra coverage is not supported by the kernel 2019/12/03 17:52:54 setuid sandbox: enabled 2019/12/03 17:52:54 namespace sandbox: enabled 2019/12/03 17:52:54 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 17:52:54 fault injection: enabled 2019/12/03 17:52:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 17:52:54 net packet injection: enabled 2019/12/03 17:52:54 net device setup: enabled 2019/12/03 17:52:54 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 17:52:54 devlink PCI setup: PCI device 0000:00:10.0 is not available 17:52:55 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x8031, 0xffffffffffffffff, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x8) 17:52:55 executing program 1: r0 = add_key$keyring(&(0x7f0000000140)='keyring\x00', &(0x7f0000000200)={'syz'}, 0x0, 0x0, 0xffffffffffffffff) r1 = add_key$keyring(&(0x7f0000000100)='keyring\x00', &(0x7f0000000040)={'syz', 0x3}, 0x0, 0x0, r0) r2 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f00000000c0)={'syz', 0x3}, 0x0, 0x0, r1) keyctl$KEYCTL_MOVE(0x1e, r2, r0, 0x0, 0x0) syzkaller login: [ 62.823849][ T8285] IPVS: ftp: loaded support on port[0] = 21 [ 62.970753][ T8285] chnl_net:caif_netlink_parms(): no params data found 17:52:56 executing program 2: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x0, 0x103, 0x1}, 0x20) setsockopt$inet6_int(r0, 0x29, 0x1000000000021, &(0x7f00000005c0)=0x1, 0x4) sendmsg$inet6(r0, &(0x7f0000000500)={&(0x7f0000000080)={0xa, 0x4e22, 0x80000, @local}, 0x1c, 0x0, 0x0, &(0x7f00000002c0)=ANY=[@ANYBLOB="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", @ANYRES32, @ANYBLOB='\x00\x00\x00\x00'], 0x28}, 0x0) [ 63.040774][ T8285] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.049300][ T8285] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.059194][ T8285] device bridge_slave_0 entered promiscuous mode [ 63.068182][ T8285] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.075315][ T8285] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.084594][ T8285] device bridge_slave_1 entered promiscuous mode [ 63.118344][ T8285] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.148991][ T8285] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.171693][ T8289] IPVS: ftp: loaded support on port[0] = 21 [ 63.198201][ T8285] team0: Port device team_slave_0 added [ 63.218295][ T8285] team0: Port device team_slave_1 added 17:52:56 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_CHECK_EXTENSION(r0, 0xae03, 0xe) [ 63.361040][ T8285] device hsr_slave_0 entered promiscuous mode 17:52:56 executing program 4: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 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) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) [ 63.536925][ T8285] device hsr_slave_1 entered promiscuous mode [ 63.600257][ T8291] IPVS: ftp: loaded support on port[0] = 21 [ 63.602434][ T8293] IPVS: ftp: loaded support on port[0] = 21 17:52:56 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000780)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000029000/0x18000)=nil, &(0x7f0000000240)=[@text32={0x20, &(0x7f00000000c0)="b9800000c00f3235010000000f309a090000006500660f3882af724d00002ed8ddc74424008fc4bd87c7442402c43a727fc7442406000000000f011424f30f090f013a360f06c4c18d72d68366baa100ed", 0x51}], 0x1, 0x0, 0x0, 0x0) fdatasync(0xffffffffffffffff) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4cb]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f0000000000)={0x0, 0x70, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x0, 0x200}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x79, &(0x7f0000000000), 0x8) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 63.791434][ T8289] chnl_net:caif_netlink_parms(): no params data found [ 63.817125][ T8285] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.825620][ T8296] IPVS: ftp: loaded support on port[0] = 21 [ 63.896204][ T8285] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.950590][ T8285] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 64.020811][ T8285] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 64.117824][ T8298] IPVS: ftp: loaded support on port[0] = 21 [ 64.134820][ T8289] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.142786][ T8289] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.150571][ T8289] device bridge_slave_0 entered promiscuous mode [ 64.159006][ T8289] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.166062][ T8289] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.174050][ T8289] device bridge_slave_1 entered promiscuous mode [ 64.224185][ T8289] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.238629][ T8291] chnl_net:caif_netlink_parms(): no params data found [ 64.262065][ T8289] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.306189][ T8289] team0: Port device team_slave_0 added [ 64.315208][ T8289] team0: Port device team_slave_1 added [ 64.369353][ T8293] chnl_net:caif_netlink_parms(): no params data found [ 64.499511][ T8289] device hsr_slave_0 entered promiscuous mode [ 64.537057][ T8289] device hsr_slave_1 entered promiscuous mode [ 64.596716][ T8289] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.604651][ T8291] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.611822][ T8291] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.621790][ T8291] device bridge_slave_0 entered promiscuous mode [ 64.659275][ T8291] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.666419][ T8291] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.674275][ T8291] device bridge_slave_1 entered promiscuous mode [ 64.695103][ T8298] chnl_net:caif_netlink_parms(): no params data found [ 64.715854][ T8296] chnl_net:caif_netlink_parms(): no params data found [ 64.724826][ T8293] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.732680][ T8293] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.742402][ T8293] device bridge_slave_0 entered promiscuous mode [ 64.750768][ T8293] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.757936][ T8293] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.765706][ T8293] device bridge_slave_1 entered promiscuous mode [ 64.782193][ T8291] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.794172][ T8291] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.826135][ T8293] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.854769][ T8298] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.862422][ T8298] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.870147][ T8298] device bridge_slave_0 entered promiscuous mode [ 64.892239][ T8293] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.904919][ T8298] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.912311][ T8298] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.920164][ T8298] device bridge_slave_1 entered promiscuous mode [ 64.946149][ T8298] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.965115][ T8291] team0: Port device team_slave_0 added [ 64.973685][ T8291] team0: Port device team_slave_1 added [ 64.982801][ T8296] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.990007][ T8296] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.997891][ T8296] device bridge_slave_0 entered promiscuous mode [ 65.006293][ T8298] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.023739][ T8293] team0: Port device team_slave_0 added [ 65.034202][ T8289] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.068588][ T8296] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.075666][ T8296] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.083657][ T8296] device bridge_slave_1 entered promiscuous mode [ 65.095992][ T8293] team0: Port device team_slave_1 added [ 65.109778][ T8289] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.191564][ T8298] team0: Port device team_slave_0 added [ 65.249493][ T8293] device hsr_slave_0 entered promiscuous mode [ 65.287017][ T8293] device hsr_slave_1 entered promiscuous mode [ 65.326790][ T8293] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.339282][ T8289] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.395061][ T8296] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.409047][ T8296] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.419411][ T8298] team0: Port device team_slave_1 added [ 65.459274][ T8291] device hsr_slave_0 entered promiscuous mode [ 65.507264][ T8291] device hsr_slave_1 entered promiscuous mode [ 65.566790][ T8291] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.594427][ T8289] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.688328][ T8298] device hsr_slave_0 entered promiscuous mode [ 65.736863][ T8298] device hsr_slave_1 entered promiscuous mode [ 65.786753][ T8298] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.808939][ T8296] team0: Port device team_slave_0 added [ 65.817169][ T8296] team0: Port device team_slave_1 added [ 65.858707][ T8296] device hsr_slave_0 entered promiscuous mode [ 65.896919][ T8296] device hsr_slave_1 entered promiscuous mode [ 65.946757][ T8296] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.956819][ T8293] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 66.010970][ T8293] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.059835][ T8285] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.088273][ T8293] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.133058][ T8293] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.190207][ T8291] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 66.241982][ T8291] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 66.288682][ T8291] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 66.328820][ T8291] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 66.398657][ T8298] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 66.451825][ T8296] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.509282][ T8296] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 66.559159][ T8298] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 66.601398][ T8298] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.663574][ T8285] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.676265][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.685319][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.695559][ T8296] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 66.729832][ T8298] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.801721][ T8296] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 66.845026][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.853677][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.862313][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.869529][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.895392][ T8289] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.913046][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.921601][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.933347][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.941900][ T3068] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.949004][ T3068] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.958469][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.967265][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.994062][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.004103][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.018785][ T8289] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.033685][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.044727][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.053698][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.061814][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.070554][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.095237][ T8288] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.104452][ T8288] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.114129][ T8288] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.121330][ T8288] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.129724][ T8288] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.138237][ T8288] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.146955][ T8288] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.166242][ T8293] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.185905][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.195471][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.204418][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.214453][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.223143][ T8299] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.230349][ T8299] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.238650][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.260644][ T8285] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.288812][ T8289] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.301556][ T8289] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.322524][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.331431][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.340365][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.349026][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.358055][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.366692][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.374899][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.384698][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.393104][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.402089][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.409852][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.423801][ T8285] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.450451][ T8293] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.460921][ T8291] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.469297][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.478304][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.485895][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.494276][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.502114][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.510103][ T8299] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.524535][ T8298] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.536100][ T8289] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.565770][ T8291] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.580573][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.589617][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.600254][ T3068] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.607376][ T3068] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.615046][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.624098][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.632669][ T3068] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.639753][ T3068] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.648147][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.657099][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.664755][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.673177][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.682167][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.690783][ T3068] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.697919][ T3068] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.707601][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.715918][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.732689][ T8298] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.757834][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.766465][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.784844][ T3068] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 172.836530][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 172.843546][ C1] (detected by 1, t=10502 jiffies, g=6749, q=180) [ 172.850034][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954438-4294943935), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 172.863374][ C1] syz-executor.0 R running task 28136 8307 8285 0x80004008 [ 172.871262][ C1] Call Trace: [ 172.874564][ C1] [ 172.877427][ C1] sched_show_task+0x40f/0x560 [ 172.882189][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 172.887471][ C1] update_process_times+0x12d/0x180 [ 172.892657][ C1] tick_sched_timer+0x263/0x420 [ 172.897494][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.903037][ C1] __hrtimer_run_queues+0x403/0x840 [ 172.908236][ C1] hrtimer_interrupt+0x38c/0xda0 [ 172.913178][ C1] ? debug_smp_processor_id+0x9/0x20 [ 172.918459][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 172.923995][ C1] apic_timer_interrupt+0xf/0x20 [ 172.928910][ C1] [ 172.931837][ C1] RIP: 0010:__memcg_kmem_uncharge+0x211/0x2e0 [ 172.937894][ C1] Code: 65 db a4 ff 48 c7 c7 98 4b 0d 89 e8 59 97 00 00 bf 01 00 00 00 e8 2f e3 9b ff 65 8b 05 d4 fd 4a 7e 85 c0 74 53 48 83 c4 08 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 49 8d 5f 10 48 89 df be 08 00 00 00 [ 172.957487][ C1] RSP: 0018:ffffc90002217428 EFLAGS: 00000292 ORIG_RAX: ffffffffffffff13 [ 172.965897][ C1] RAX: 0000000000000001 RBX: ffffea0002140c00 RCX: 0000000000000000 [ 172.973852][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002140c00 [ 172.981809][ C1] RBP: ffffc90002217448 R08: dffffc0000000000 R09: fffffbfff120248a [ 172.989766][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea0002140c00 [ 172.997733][ C1] R13: 1ffffd4000428187 R14: ffffea0002140c38 R15: 0000000000000000 [ 173.005715][ C1] free_thread_stack+0x12e/0x590 [ 173.010643][ C1] put_task_stack+0xa3/0x130 [ 173.015219][ C1] finish_task_switch+0x3f1/0x550 [ 173.020238][ C1] __schedule+0x9a8/0xcc0 [ 173.024563][ C1] ? ___preempt_schedule+0x16/0x18 [ 173.029660][ C1] preempt_schedule+0xdb/0x120 [ 173.034425][ C1] ___preempt_schedule+0x16/0x18 [ 173.039357][ C1] _raw_spin_unlock+0x3a/0x40 [ 173.044061][ C1] zap_pte_range+0x1732/0x1c30 [ 173.048844][ C1] unmap_page_range+0x9b5/0xb00 [ 173.053693][ C1] unmap_single_vma+0x1d4/0x2e0 [ 173.058538][ C1] unmap_vmas+0x163/0x2a0 [ 173.062862][ C1] exit_mmap+0x27b/0x530 [ 173.067108][ C1] __mmput+0x120/0x3a0 [ 173.071175][ C1] mmput+0x5d/0x70 [ 173.074882][ C1] exit_mm+0x50a/0x590 [ 173.078955][ C1] do_exit+0x544/0x2020 [ 173.083096][ C1] ? get_signal+0x3aa/0x1d60 [ 173.087686][ C1] do_group_exit+0x15c/0x2b0 [ 173.092269][ C1] get_signal+0x4ac/0x1d60 [ 173.096697][ C1] do_signal+0x37/0x640 [ 173.100850][ C1] ? check_preemption_disabled+0xb4/0x260 [ 173.106551][ C1] ? debug_smp_processor_id+0x9/0x20 [ 173.111820][ C1] ? prepare_exit_to_usermode+0x282/0x5b0 [ 173.117529][ C1] prepare_exit_to_usermode+0x32d/0x5b0 [ 173.123080][ C1] syscall_return_slowpath+0x113/0x4a0 [ 173.128529][ C1] ? __x64_sys_futex+0xe5/0x100 [ 173.133365][ C1] do_syscall_64+0x11f/0x1c0 [ 173.137946][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.143821][ C1] RIP: 0033:0x45a679 [ 173.147737][ C1] Code: Bad RIP value. [ 173.151878][ C1] RSP: 002b:00007f987b56acf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 173.160271][ C1] RAX: 0000000000000000 RBX: 000000000075bf28 RCX: 000000000045a679 [ 173.168226][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 173.176182][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 173.184138][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 173.192094][ C1] R13: 00007ffc3515ed9f R14: 00007f987b56b9c0 R15: 000000000075bf2c [ 173.200080][ C1] rcu: rcu_preempt kthread starved for 10538 jiffies! g6749 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 173.211165][ C1] rcu: RCU grace-period kthread stack dump: [ 173.217038][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 173.224922][ C1] Call Trace: [ 173.228199][ C1] __schedule+0x9a0/0xcc0 [ 173.232523][ C1] schedule+0x181/0x210 [ 173.236668][ C1] schedule_timeout+0x14f/0x240 [ 173.241510][ C1] ? run_local_timers+0x120/0x120 [ 173.246523][ C1] rcu_gp_kthread+0xed8/0x1770 [ 173.251283][ C1] kthread+0x332/0x350 [ 173.255336][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 173.260433][ C1] ? kthread_blkcg+0xe0/0xe0 [ 173.265009][ C1] ret_from_fork+0x24/0x30