[ 46.290709][ T28] audit: type=1800 audit(1578480411.733:25): pid=8177 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.311343][ T28] audit: type=1800 audit(1578480411.733:26): pid=8177 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.356254][ T28] audit: type=1800 audit(1578480411.733:27): pid=8177 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 46.390849][ T28] audit: type=1800 audit(1578480411.733:28): pid=8177 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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 '10.128.0.78' (ECDSA) to the list of known hosts. 2020/01/08 10:47:03 fuzzer started 2020/01/08 10:47:05 dialing manager at 10.128.0.26:35703 2020/01/08 10:47:05 syscalls: 2824 2020/01/08 10:47:05 code coverage: enabled 2020/01/08 10:47:05 comparison tracing: enabled 2020/01/08 10:47:05 extra coverage: enabled 2020/01/08 10:47:05 setuid sandbox: enabled 2020/01/08 10:47:05 namespace sandbox: enabled 2020/01/08 10:47:05 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 10:47:05 fault injection: enabled 2020/01/08 10:47:05 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 10:47:05 net packet injection: enabled 2020/01/08 10:47:05 net device setup: enabled 2020/01/08 10:47:05 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 10:47:05 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:47:06 executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$sock_int(r0, 0x1, 0x0, 0xfffffffffffffffd, 0x112) 10:47:06 executing program 1: r0 = epoll_create1(0x0) r1 = epoll_create1(0x0) close(r0) socket$inet6_sctp(0xa, 0x10000000005, 0x84) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000000c0)={0x4}) ppoll(&(0x7f0000000000)=[{r1, 0x103d0}], 0x1, 0x0, 0x0, 0x0) syzkaller login: [ 61.552180][ T8344] IPVS: ftp: loaded support on port[0] = 21 10:47:07 executing program 2: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) r2 = dup3(r0, r1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ftruncate(r3, 0x48280) fsetxattr$security_ima(r3, &(0x7f0000000040)='security.ima\x00', &(0x7f0000000500)=ANY=[@ANYBLOB="03"], 0xa, 0x0) open(&(0x7f00000004c0)='./bus\x00', 0x0, 0x0) [ 61.699314][ T8347] IPVS: ftp: loaded support on port[0] = 21 [ 61.711975][ T8344] chnl_net:caif_netlink_parms(): no params data found [ 61.830990][ T8344] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.839502][ T8344] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.850630][ T8344] device bridge_slave_0 entered promiscuous mode [ 61.863211][ T8344] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.882966][ T8344] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.890796][ T8344] device bridge_slave_1 entered promiscuous mode [ 61.923361][ T8344] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.953687][ T8344] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.968789][ T8349] IPVS: ftp: loaded support on port[0] = 21 10:47:07 executing program 3: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) sendmsg$nl_generic(0xffffffffffffffff, 0x0, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000003000/0x2000)=nil, 0x2000, 0x0, 0x1012, r1, 0x0) write$P9_RWALK(r1, &(0x7f0000000300)=ANY=[], 0x6) mmap(&(0x7f0000004000/0x4000)=nil, 0x4000, 0x0, 0x28812, r1, 0x0) perf_event_open(&(0x7f0000000180)={0x6, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0x0, 0xffffffffffffffff, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$EVIOCREVOKE(0xffffffffffffffff, 0x40044591, 0x0) open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) connect$bt_l2cap(0xffffffffffffffff, &(0x7f0000000080), 0xe) connect$bt_l2cap(0xffffffffffffffff, 0x0, 0x0) mmap(&(0x7f0000017000/0x3000)=nil, 0x3000, 0x0, 0x10, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000680)={{{@in=@initdev, @in6=@local}}, {{@in=@empty}, 0x0, @in=@broadcast}}, 0x0) open(0x0, 0x141042, 0x0) [ 62.008389][ T8344] team0: Port device team_slave_0 added [ 62.048700][ T8344] team0: Port device team_slave_1 added [ 62.147305][ T8347] chnl_net:caif_netlink_parms(): no params data found 10:47:07 executing program 4: mount$9p_tcp(&(0x7f0000000040)='127.0.0.1\x00', &(0x7f0000000080)='.\x00', &(0x7f00000000c0)='9p\x00', 0x0, &(0x7f00000004c0)={'trans=tcp,', {'port'}}) [ 62.194806][ T8344] device hsr_slave_0 entered promiscuous mode [ 62.234246][ T8344] device hsr_slave_1 entered promiscuous mode [ 62.335527][ T8352] IPVS: ftp: loaded support on port[0] = 21 [ 62.385420][ T8347] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.412237][ T8347] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.420120][ T8347] device bridge_slave_0 entered promiscuous mode 10:47:08 executing program 5: recvmmsg(0xffffffffffffffff, &(0x7f0000002ec0)=[{{0x0, 0x0, &(0x7f0000000680)=[{0x0}], 0x1}, 0x6}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000140)='oom_score_adj\x00') preadv(r0, &(0x7f00000017c0), 0x3a8, 0x0) [ 62.485548][ T8347] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.495599][ T8347] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.505549][ T8347] device bridge_slave_1 entered promiscuous mode [ 62.519796][ T8355] IPVS: ftp: loaded support on port[0] = 21 [ 62.603663][ T8349] chnl_net:caif_netlink_parms(): no params data found [ 62.623338][ T8347] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.691202][ T8347] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.720223][ T8347] team0: Port device team_slave_0 added [ 62.741557][ T8352] chnl_net:caif_netlink_parms(): no params data found [ 62.755755][ T8358] IPVS: ftp: loaded support on port[0] = 21 [ 62.756015][ T8347] team0: Port device team_slave_1 added [ 62.807517][ T8349] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.814739][ T8349] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.824835][ T8349] device bridge_slave_0 entered promiscuous mode [ 62.834237][ T8349] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.841281][ T8349] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.849295][ T8349] device bridge_slave_1 entered promiscuous mode [ 62.857126][ T8344] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 62.904903][ T8344] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.013746][ T8347] device hsr_slave_0 entered promiscuous mode [ 63.052429][ T8347] device hsr_slave_1 entered promiscuous mode [ 63.122239][ T8347] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.130101][ T8347] Cannot create hsr debugfs directory [ 63.145149][ T8344] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.195978][ T8344] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.272584][ T8349] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.286928][ T8349] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.319379][ T8352] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.328059][ T8352] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.335773][ T8352] device bridge_slave_0 entered promiscuous mode [ 63.370446][ T8352] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.378446][ T8352] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.388586][ T8352] device bridge_slave_1 entered promiscuous mode [ 63.419987][ T8349] team0: Port device team_slave_0 added [ 63.429129][ T8349] team0: Port device team_slave_1 added [ 63.445798][ T8352] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.523875][ T8349] device hsr_slave_0 entered promiscuous mode [ 63.572378][ T8349] device hsr_slave_1 entered promiscuous mode [ 63.632264][ T8349] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.639840][ T8349] Cannot create hsr debugfs directory [ 63.649625][ T8352] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.687538][ T8352] team0: Port device team_slave_0 added [ 63.742704][ T8344] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.754096][ T8352] team0: Port device team_slave_1 added [ 63.767648][ T8358] chnl_net:caif_netlink_parms(): no params data found [ 63.864797][ T8352] device hsr_slave_0 entered promiscuous mode [ 63.912490][ T8352] device hsr_slave_1 entered promiscuous mode [ 63.972241][ T8352] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.979826][ T8352] Cannot create hsr debugfs directory [ 64.004056][ T2865] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.012272][ T2865] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.035147][ T8344] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.051137][ T8347] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 64.099519][ T8355] chnl_net:caif_netlink_parms(): no params data found [ 64.119364][ T8347] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 64.167653][ T8347] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 64.227779][ T8347] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 64.335007][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.344138][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.354129][ T2859] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.361266][ T2859] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.369239][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.378365][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.386721][ T2859] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.393770][ T2859] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.401171][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.410069][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.421800][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.430435][ T8358] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.439251][ T8358] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.447117][ T8358] device bridge_slave_0 entered promiscuous mode [ 64.478905][ T8349] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.524194][ T8358] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.531286][ T8358] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.539206][ T8358] device bridge_slave_1 entered promiscuous mode [ 64.553173][ T8355] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.560223][ T8355] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.568597][ T8355] device bridge_slave_0 entered promiscuous mode [ 64.580149][ T8355] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.587515][ T8355] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.595111][ T8355] device bridge_slave_1 entered promiscuous mode [ 64.602004][ T8349] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.664797][ T2976] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.674587][ T2976] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.683129][ T2976] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.691451][ T2976] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.700313][ T2976] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.721333][ T8358] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.736432][ T8358] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.749912][ T8349] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.775274][ T8349] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.825655][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.834065][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.866743][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.875268][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.884013][ T8352] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.905046][ T8355] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.918603][ T8355] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.929205][ T8358] team0: Port device team_slave_0 added [ 64.939857][ T8358] team0: Port device team_slave_1 added [ 64.947757][ T8344] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.958865][ T8352] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 65.040380][ T8352] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 65.085119][ T8355] team0: Port device team_slave_0 added [ 65.090924][ T8352] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.217953][ T8358] device hsr_slave_0 entered promiscuous mode [ 65.262947][ T8358] device hsr_slave_1 entered promiscuous mode [ 65.302206][ T8358] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.309790][ T8358] Cannot create hsr debugfs directory [ 65.316659][ T8355] team0: Port device team_slave_1 added [ 65.365450][ T8355] device hsr_slave_0 entered promiscuous mode [ 65.433265][ T8355] device hsr_slave_1 entered promiscuous mode [ 65.472270][ T8355] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.479878][ T8355] Cannot create hsr debugfs directory [ 65.504736][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.515191][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.536863][ T8347] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.560838][ T8344] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.579200][ T8347] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.597825][ T2865] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.606317][ T2865] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.630907][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.642150][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.650415][ T2859] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.657481][ T2859] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.666094][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.703038][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.711493][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.723629][ T2864] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.730762][ T2864] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.739340][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.748083][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.808105][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.817485][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.828639][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.837756][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.858496][ T8352] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.876190][ T8358] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 65.929157][ T8358] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 65.985811][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.996296][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.005007][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.014859][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.023420][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.035561][ T8347] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 66.048329][ T8347] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.062744][ T8358] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.126305][ T8349] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.134234][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.145732][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.165463][ T8344] device veth0_vlan entered promiscuous mode [ 66.178030][ T8358] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.206450][ T8355] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.253838][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.261526][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.269408][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.277651][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.286794][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.295176][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.307869][ T8344] device veth1_vlan entered promiscuous mode [ 66.327526][ T8349] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.337938][ T8352] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.345390][ T8355] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 66.394438][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.404778][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.412372][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.419784][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.427596][ T2670] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.437293][ T8347] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.457913][ T8355] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 66.504750][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.515190][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.523918][ T2863] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.530951][ T2863] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.538620][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.547327][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.555822][ T2863] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.562907][ T2863] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.570411][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.579515][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.587978][ T2863] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.595060][ T2863] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.602940][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.610756][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.625624][ T8355] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 66.722707][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.730722][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.740944][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.751334][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.760221][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.768729][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.777516][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.785799][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.794365][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.803380][ T2864] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.810422][ T2864] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.817980][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.826396][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.879320][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.898995][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.916314][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.926103][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.940222][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.950234][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.966139][ T2859] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 171.972132][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 171.979033][ C1] rcu: 1-...!: (10499 ticks this GP) idle=526/1/0x4000000000000002 softirq=11102/11102 fqs=0 [ 171.989526][ C1] (t=10500 jiffies g=6733 q=52) [ 171.994455][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g6733 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 172.005711][ C1] rcu: RCU grace-period kthread stack dump: [ 172.011591][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 172.019477][ C1] Call Trace: [ 172.022762][ C1] __schedule+0x9a0/0xcc0 [ 172.027090][ C1] schedule+0x181/0x210 [ 172.031237][ C1] schedule_timeout+0x14f/0x240 [ 172.037118][ C1] ? run_local_timers+0x120/0x120 [ 172.042148][ C1] rcu_gp_kthread+0xed8/0x1770 [ 172.046907][ C1] kthread+0x332/0x350 [ 172.050960][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 172.056062][ C1] ? kthread_blkcg+0xe0/0xe0 [ 172.060643][ C1] ret_from_fork+0x24/0x30 [ 172.065066][ C1] NMI backtrace for cpu 1 [ 172.069382][ C1] CPU: 1 PID: 2670 Comm: kworker/1:2 Not tainted 5.5.0-rc5-syzkaller #0 [ 172.077684][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.087808][ C1] Workqueue: 0x0 (memcg_kmem_cache) [ 172.093078][ C1] Call Trace: [ 172.096350][ C1] [ 172.099210][ C1] dump_stack+0x1fb/0x318 [ 172.103540][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.108524][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.114781][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.120955][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.126942][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 172.132871][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 172.137978][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 172.143254][ C1] ? trace_hardirqs_off+0x74/0x80 [ 172.148267][ C1] update_process_times+0x12d/0x180 [ 172.153455][ C1] tick_sched_timer+0x263/0x420 [ 172.158305][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.163853][ C1] __hrtimer_run_queues+0x403/0x840 [ 172.169054][ C1] hrtimer_interrupt+0x38c/0xda0 [ 172.173998][ C1] ? debug_smp_processor_id+0x9/0x20 [ 172.179287][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 172.184824][ C1] apic_timer_interrupt+0xf/0x20 [ 172.189772][ C1] [ 172.192701][ C1] RIP: 0010:free_thread_stack+0x16d/0x590 [ 172.198412][ C1] Code: c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 55 94 6a 00 48 8b 3b be fc ff 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 [ 172.218016][ C1] RSP: 0018:ffffc900077ffc30 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 172.226429][ C1] RAX: ffffffff814897d3 RBX: ffff8880906a8588 RCX: ffff8880a070e4c0 [ 172.234408][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0001a78740 [ 172.242386][ C1] RBP: ffffc900077ffc68 R08: dffffc0000000000 R09: fffffbfff12c962d [ 172.250359][ C1] R10: fffffbfff12c962d R11: 0000000000000000 R12: ffff8880906a8f20 [ 172.258340][ C1] R13: dffffc0000000000 R14: 1ffff110120d51e4 R15: ffff8880903a5578 [ 172.266322][ C1] ? mod_memcg_page_state+0x123/0x190 [ 172.271699][ C1] put_task_stack+0xa3/0x130 [ 172.276293][ C1] finish_task_switch+0x3f1/0x550 [ 172.281319][ C1] __schedule+0x9a8/0xcc0 [ 172.285646][ C1] schedule+0x181/0x210 [ 172.289804][ C1] worker_thread+0x10d6/0x1630 [ 172.294587][ C1] kthread+0x332/0x350 [ 172.298644][ C1] ? rcu_lock_release+0x30/0x30 [ 172.303483][ C1] ? kthread_blkcg+0xe0/0xe0 [ 172.308064][ C1] ret_from_fork+0x24/0x30