[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 50.137620][ T25] audit: type=1800 audit(1578469657.433:25): pid=8313 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 50.173398][ T25] audit: type=1800 audit(1578469657.433:26): pid=8313 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 50.207030][ T25] audit: type=1800 audit(1578469657.443:27): pid=8313 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 '10.128.10.21' (ECDSA) to the list of known hosts. 2020/01/08 07:47:48 fuzzer started 2020/01/08 07:47:50 dialing manager at 10.128.0.26:35703 2020/01/08 07:47:50 syscalls: 2824 2020/01/08 07:47:50 code coverage: enabled 2020/01/08 07:47:50 comparison tracing: enabled 2020/01/08 07:47:50 extra coverage: enabled 2020/01/08 07:47:50 setuid sandbox: enabled 2020/01/08 07:47:50 namespace sandbox: enabled 2020/01/08 07:47:50 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 07:47:50 fault injection: enabled 2020/01/08 07:47:50 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 07:47:50 net packet injection: enabled 2020/01/08 07:47:50 net device setup: enabled 2020/01/08 07:47:50 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 07:47:50 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:47:51 executing program 0: bpf$PROG_LOAD(0x5, &(0x7f00002a0fb8)={0x16, 0x3, &(0x7f0000000000)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x2a, 0x35}}, &(0x7f0000000140)='GPL\x00', 0x5, 0x1f6, &(0x7f0000000180)=""/153, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x23) 07:47:51 executing program 1: perf_event_open(&(0x7f00000000c0)={0x2, 0x70, 0x3ea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000000)="2e0000002f00815be00f80ecdb4cb9040c486516080003001400000012000014c2ed3c001500cd5edc2976d153b4", 0x2e}], 0x1, 0x0, 0x0, 0x13010000}, 0x0) syzkaller login: [ 64.487873][ T8480] IPVS: ftp: loaded support on port[0] = 21 07:47:51 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x0, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) readv(r0, &(0x7f0000000040)=[{&(0x7f0000000100)=""/193, 0xc1}], 0x1) [ 64.646293][ T8482] IPVS: ftp: loaded support on port[0] = 21 [ 64.647216][ T8480] chnl_net:caif_netlink_parms(): no params data found [ 64.744921][ T8480] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.753044][ T8480] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.761251][ T8480] device bridge_slave_0 entered promiscuous mode [ 64.837004][ T8480] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.851861][ T8480] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.861133][ T8480] device bridge_slave_1 entered promiscuous mode [ 64.891024][ T8486] IPVS: ftp: loaded support on port[0] = 21 [ 64.919876][ T8482] chnl_net:caif_netlink_parms(): no params data found [ 64.934185][ T8480] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 07:47:52 executing program 3: r0 = add_key$user(&(0x7f00000000c0)='user\x00', &(0x7f0000000240)={'syz', 0x0}, &(0x7f0000000440)='s', 0x1, 0xfffffffffffffffc) keyctl$revoke(0x3, r0) [ 64.968547][ T8480] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.043786][ T8482] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.050991][ T8482] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.075258][ T8482] device bridge_slave_0 entered promiscuous mode [ 65.093387][ T8482] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.101470][ T8482] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.114149][ T8482] device bridge_slave_1 entered promiscuous mode [ 65.150627][ T8480] team0: Port device team_slave_0 added [ 65.170751][ T8482] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.197848][ T8480] team0: Port device team_slave_1 added [ 65.205050][ T8488] IPVS: ftp: loaded support on port[0] = 21 07:47:52 executing program 4: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x3, @broadcast}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000b86000)={0x1, &(0x7f00006dc000)=[{0x6, 0x0, 0x0, 0xa1}]}, 0x10) sendto$inet(r0, 0x0, 0x0, 0x200007fc, &(0x7f0000deaff0)={0x2, 0x3, @loopback}, 0x10) sendto$inet(r0, &(0x7f00000005c0)="1a8c443d3a568c81cc096aa87ddab0f1b182da383fd71795f41053261e63b0b9f1283f7431b6146106716c21b43625f9194bf4b6a5dba53c46b82862a2f804121cda7e6be8fd507bb1545de629746d878f10be8036e98a270c42d6458f97b342303464e94ccb6d6f4f81941e3f3fa371596cdf17e160c992140c9dc81362f019f017", 0x82, 0x0, 0x0, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000001a40)='highspeed\x00', 0xa) readv(r0, &(0x7f0000000140)=[{&(0x7f0000000000)=""/226, 0xfffffd85}], 0x1) recvfrom(r0, &(0x7f0000000380)=""/239, 0xff4e, 0x0, 0x0, 0x307) close(r0) [ 65.246867][ T8482] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.297088][ T8480] device hsr_slave_0 entered promiscuous mode [ 65.353836][ T8480] device hsr_slave_1 entered promiscuous mode 07:47:52 executing program 5: prlimit64(0x0, 0x7, &(0x7f0000000280)={0x9, 0x8d}, 0x0) socket(0x10, 0x2, 0x0) pipe(&(0x7f0000000180)) openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000009c0)='/dev/loop-control\x00', 0x0, 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x3) [ 65.500432][ T8482] team0: Port device team_slave_0 added [ 65.511499][ T8490] IPVS: ftp: loaded support on port[0] = 21 [ 65.532066][ T8486] chnl_net:caif_netlink_parms(): no params data found [ 65.549151][ T8482] team0: Port device team_slave_1 added [ 65.724876][ T8482] device hsr_slave_0 entered promiscuous mode [ 65.763584][ T8482] device hsr_slave_1 entered promiscuous mode [ 65.803605][ T8482] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.811428][ T8482] Cannot create hsr debugfs directory [ 65.828905][ T8493] IPVS: ftp: loaded support on port[0] = 21 [ 65.835405][ T8486] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.842460][ T8486] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.850132][ T8486] device bridge_slave_0 entered promiscuous mode [ 65.859645][ T8486] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.866830][ T8486] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.874528][ T8486] device bridge_slave_1 entered promiscuous mode [ 65.947846][ T8486] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.972666][ T8480] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.018666][ T8480] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.076601][ T8480] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.146584][ T8486] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.180924][ T8480] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.230753][ T8488] chnl_net:caif_netlink_parms(): no params data found [ 66.284994][ T8490] chnl_net:caif_netlink_parms(): no params data found [ 66.300001][ T8486] team0: Port device team_slave_0 added [ 66.310634][ T8486] team0: Port device team_slave_1 added [ 66.339595][ T8482] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 66.419358][ T8490] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.426996][ T8490] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.435070][ T8490] device bridge_slave_0 entered promiscuous mode [ 66.442849][ T8482] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 66.496316][ T8482] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 66.568082][ T8482] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 66.677331][ T8486] device hsr_slave_0 entered promiscuous mode [ 66.733791][ T8486] device hsr_slave_1 entered promiscuous mode [ 66.803396][ T8486] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.810990][ T8486] Cannot create hsr debugfs directory [ 66.818227][ T8490] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.827098][ T8490] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.834880][ T8490] device bridge_slave_1 entered promiscuous mode [ 66.857963][ T8490] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.899977][ T8490] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.921634][ T8488] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.929872][ T8488] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.938423][ T8488] device bridge_slave_0 entered promiscuous mode [ 66.946895][ T8488] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.954454][ T8488] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.962066][ T8488] device bridge_slave_1 entered promiscuous mode [ 67.008771][ T8488] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.030056][ T8490] team0: Port device team_slave_0 added [ 67.037961][ T8490] team0: Port device team_slave_1 added [ 67.057527][ T8488] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.114943][ T8490] device hsr_slave_0 entered promiscuous mode [ 67.183621][ T8490] device hsr_slave_1 entered promiscuous mode [ 67.233400][ T8490] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.240987][ T8490] Cannot create hsr debugfs directory [ 67.287166][ T8486] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.345852][ T8488] team0: Port device team_slave_0 added [ 67.360719][ T8486] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.416096][ T8486] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.465516][ T8493] chnl_net:caif_netlink_parms(): no params data found [ 67.487780][ T8488] team0: Port device team_slave_1 added [ 67.502967][ T8486] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.592747][ T8480] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.626072][ T8488] device hsr_slave_0 entered promiscuous mode [ 67.683521][ T8488] device hsr_slave_1 entered promiscuous mode [ 67.733390][ T8488] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.741075][ T8488] Cannot create hsr debugfs directory [ 67.760065][ T8493] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.767519][ T8493] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.775603][ T8493] device bridge_slave_0 entered promiscuous mode [ 67.783687][ T8493] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.790731][ T8493] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.798503][ T8493] device bridge_slave_1 entered promiscuous mode [ 67.850508][ T8493] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.885008][ T8490] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 67.908143][ T8493] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.934769][ T8490] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 67.999510][ T3094] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.009302][ T3094] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.031684][ T8493] team0: Port device team_slave_0 added [ 68.045255][ T8480] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.055620][ T8490] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.117021][ T8490] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.189018][ T8493] team0: Port device team_slave_1 added [ 68.208129][ T8488] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.284155][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.292758][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.301729][ T3164] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.308982][ T3164] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.318400][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.328555][ T8488] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.389125][ T8482] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.434967][ T8493] device hsr_slave_0 entered promiscuous mode [ 68.486125][ T8493] device hsr_slave_1 entered promiscuous mode [ 68.513494][ T8493] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.521069][ T8493] Cannot create hsr debugfs directory [ 68.532145][ T8488] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.568265][ T8488] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.605887][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.615336][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.623966][ T2791] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.631226][ T2791] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.638921][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.675869][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.686870][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.695797][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.703569][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.711981][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.721382][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.736403][ T8482] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.751449][ T8486] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.800677][ T8486] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.811281][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.820843][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.829458][ T3164] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.836573][ T3164] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.845140][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.854019][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.862320][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.870666][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.879008][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.887523][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.896310][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.904967][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.913360][ T3164] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.920417][ T3164] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.928174][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.936542][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.944832][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.969298][ T8480] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.982071][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.990505][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.031512][ T3094] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.042690][ T3094] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.052319][ T3094] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.061250][ T3094] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.069994][ T3094] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.089439][ T8480] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.096954][ T8493] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.176329][ T8493] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.239029][ T8493] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.298148][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.305825][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.313640][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.322168][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.330803][ T3164] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.337900][ T3164] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.345742][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.354747][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.362980][ T3164] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.370045][ T3164] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.379047][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.396841][ T8493] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.455441][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.464671][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.472967][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.482402][ T3049] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.499738][ T8482] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.510995][ T8482] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.543854][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.552231][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.561374][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.570105][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.579123][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.587802][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.596404][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.607142][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.616406][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.632624][ T8490] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.657972][ T8488] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.682539][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.690452][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.699458][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.708186][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.716552][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.724248][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.733385][ T8486] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.748725][ T8490] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.769966][ T8488] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.783112][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.792433][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.801200][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.809159][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.817569][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.826267][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.834640][ T2791] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.841685][ T2791] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.849820][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.862449][ T8482] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.897907][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.906970][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.915601][ T2741] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.922741][ T2741] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.930659][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 69.939001][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.949128][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.957807][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.966821][ T2741] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.973923][ T2741] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.018593][ T8493] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.025767][ T8480] device veth0_vlan entered promiscuous mode [ 70.032681][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.045498][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.053875][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.061461][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.070281][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.079158][ T2791] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.086250][ T2791] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.094692][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.103145][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.111705][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.120362][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.129000][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.137615][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.146221][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.154854][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.163272][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.171778][ T2791] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.205466][ T8488] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.216964][ T8488] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.229990][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.238422][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.246690][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.254417][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.261830][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.271141][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.279764][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.288262][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.296898][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.305219][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.313363][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.321532][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.329857][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.338655][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.347204][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.355543][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.368754][ T8486] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.386250][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.397388][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.405853][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.414788][ T8482] device veth0_vlan entered promiscuous mode [ 70.428875][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.439626][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.450375][ T8490] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.453690][ T8493] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.471251][ T8480] device veth1_vlan entered promiscuous mode [ 70.489068][ T8482] device veth1_vlan entered promiscuous mode [ 70.513396][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 70.521837][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 70.530611][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.540987][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.549421][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.556906][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.564511][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.573003][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.582215][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.591187][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.599593][ T2741] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.606668][ T2741] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.615219][ T2741] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.633541][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.641015][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.653164][ T8488] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.706871][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.716356][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.731703][ T3164] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.738831][ T3164] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.746936][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.755805][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.765679][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.774287][ T3164] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.788008][ T8490] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.819265][ T8486] device veth0_vlan entered promiscuous mode [ 70.861069][ T8486] device veth1_vlan entered promiscuous mode [ 175.873197][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.880040][ C1] rcu: 1-...!: (1 GPs behind) idle=6d2/1/0x4000000000000002 softirq=13012/13013 fqs=4 [ 175.889901][ C1] (t=10501 jiffies g=6881 q=218) [ 175.894916][ C1] rcu: rcu_preempt kthread starved for 10494 jiffies! g6881 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 175.905998][ C1] rcu: RCU grace-period kthread stack dump: [ 175.911874][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 175.919761][ C1] Call Trace: [ 175.923073][ C1] __schedule+0x9a0/0xcc0 [ 175.927412][ C1] schedule+0x181/0x210 [ 175.931821][ C1] schedule_timeout+0x14f/0x240 [ 175.936667][ C1] ? run_local_timers+0x120/0x120 [ 175.941731][ C1] rcu_gp_kthread+0xed8/0x1770 [ 175.946495][ C1] kthread+0x332/0x350 [ 175.950553][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 175.955658][ C1] ? kthread_blkcg+0xe0/0xe0 [ 175.960242][ C1] ret_from_fork+0x24/0x30 [ 175.964665][ C1] NMI backtrace for cpu 1 [ 175.968984][ C1] CPU: 1 PID: 8498 Comm: kworker/u4:1 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.977374][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.987607][ C1] Call Trace: [ 175.990879][ C1] [ 175.993721][ C1] dump_stack+0x1fb/0x318 [ 175.998045][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.002884][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 176.009031][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 176.015089][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 176.021091][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 176.026997][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 176.032125][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 176.037323][ C1] ? trace_hardirqs_off+0x74/0x80 [ 176.042354][ C1] update_process_times+0x12d/0x180 [ 176.047546][ C1] tick_sched_timer+0x263/0x420 [ 176.052389][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 176.057938][ C1] __hrtimer_run_queues+0x403/0x840 [ 176.063144][ C1] hrtimer_interrupt+0x38c/0xda0 [ 176.068093][ C1] ? debug_smp_processor_id+0x9/0x20 [ 176.073372][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 176.078920][ C1] apic_timer_interrupt+0xf/0x20 [ 176.083841][ C1] [ 176.086772][ C1] RIP: 0010:free_thread_stack+0x18b/0x590 [ 176.092479][ C1] Code: ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 39 94 6a 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 1b 94 6a 00 48 8b 1b e9 82 ff ff ff e8 be 2b 2e [ 176.112082][ C1] RSP: 0018:ffffc90002217e40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 176.120494][ C1] RAX: 1ffff110132d4521 RBX: ffff8880996a2908 RCX: ffff88808f1ba640 [ 176.128455][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00024da0c0 [ 176.136429][ C1] RBP: ffffc90002217e78 R08: dffffc0000000000 R09: fffffbfff124248a [ 176.144395][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff8880996a29a0 [ 176.152356][ C1] R13: dffffc0000000000 R14: 1ffff110132d4534 R15: ffff888095c73878 [ 176.160345][ C1] put_task_stack+0xa3/0x130 [ 176.164925][ C1] finish_task_switch+0x3f1/0x550 [ 176.169942][ C1] ? proc_cap_handler+0x450/0x450 [ 176.174954][ C1] schedule_tail+0x20/0x1a0 [ 176.179447][ C1] ? proc_cap_handler+0x450/0x450 [ 176.184462][ C1] ret_from_fork+0x8/0x30