[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.216043][ T27] audit: type=1800 audit(1578476182.171:25): pid=8307 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.235316][ T27] audit: type=1800 audit(1578476182.171:26): pid=8307 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.269307][ T27] audit: type=1800 audit(1578476182.171:27): pid=8307 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 '10.128.0.25' (ECDSA) to the list of known hosts. 2020/01/08 09:36:33 fuzzer started 2020/01/08 09:36:35 dialing manager at 10.128.0.26:35703 2020/01/08 09:36:35 syscalls: 2824 2020/01/08 09:36:35 code coverage: enabled 2020/01/08 09:36:35 comparison tracing: enabled 2020/01/08 09:36:35 extra coverage: enabled 2020/01/08 09:36:35 setuid sandbox: enabled 2020/01/08 09:36:35 namespace sandbox: enabled 2020/01/08 09:36:35 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 09:36:35 fault injection: enabled 2020/01/08 09:36:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 09:36:35 net packet injection: enabled 2020/01/08 09:36:35 net device setup: enabled 2020/01/08 09:36:35 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 09:36:35 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:36:36 executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f0000d11000), &(0x7f0000000080)=0x4) 09:36:36 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_ENABLE_CAP_CPU(r2, 0xc008ae88, &(0x7f00000000c0)={0x7a, 0x4, [0x0, 0x0, 0x40000000], [0x3a]}) syzkaller login: [ 62.427535][ T8471] IPVS: ftp: loaded support on port[0] = 21 [ 62.602692][ T8471] chnl_net:caif_netlink_parms(): no params data found 09:36:36 executing program 2: perf_event_open(&(0x7f0000000280)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7c, 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) keyctl$dh_compute(0x17, 0x0, 0x0, 0x0, &(0x7f0000000380)={0x0, &(0x7f00000006c0)}) add_key$user(0x0, 0x0, &(0x7f0000000440)="d51d2153f2e99b4b50e83879c6927042043c57653583fae7fc15f0906d1ed7", 0x1f, 0xfffffffffffffff9) write$binfmt_script(0xffffffffffffffff, 0x0, 0x0) add_key(&(0x7f0000000040)='big_key\x00', 0x0, 0x0, 0x0, 0xfffffffffffffffb) add_key(&(0x7f0000000040)='big_key\x00', 0x0, &(0x7f00000001c0)='g', 0x1, 0xfffffffffffffffb) r0 = syz_open_procfs(0x0, &(0x7f0000000180)='net/dev_mcast\x00') creat(0x0, 0x0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r1, 0x40045431, &(0x7f00003b9fdc)) r2 = syz_open_pts(r1, 0x4000000000000002) sendfile(r2, r0, 0x0, 0x6f0a77bd) r3 = open(0x0, 0x40c2, 0x0) clock_gettime(0x0, &(0x7f0000000140)) open$dir(0x0, 0x0, 0x0) write$9p(r3, &(0x7f0000000800)="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", 0x5d7) ioctl$EVIOCGVERSION(r3, 0x80044501, 0x0) keyctl$unlink(0x9, 0x0, 0x0) [ 62.654754][ T8474] IPVS: ftp: loaded support on port[0] = 21 [ 62.678237][ T8471] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.699363][ T8471] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.720680][ T8471] device bridge_slave_0 entered promiscuous mode [ 62.744123][ T8471] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.760086][ T8471] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.768016][ T8471] device bridge_slave_1 entered promiscuous mode [ 62.815087][ T8471] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.850979][ T8471] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.861925][ T8476] IPVS: ftp: loaded support on port[0] = 21 09:36:36 executing program 3: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount$bpf(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)='bpf\x00', 0x0, 0x0) mount$overlay(0x400000, &(0x7f0000000100)='./file0\x00', &(0x7f00000001c0)='overlay\x00', 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB=',lowerdir=.:file0']) chdir(&(0x7f0000000080)='./file0\x00') mount$bpf(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000180)='bpf\x00', 0x0, 0x0) mount$overlay(0x400000, &(0x7f0000000100)='./file0\x00', &(0x7f00000001c0)='overlay\x00', 0x0, &(0x7f0000000040)=ANY=[]) chdir(&(0x7f0000000080)='./file0\x00') stat(&(0x7f00000004c0)='./file0\x00', 0x0) creat(&(0x7f0000000040)='./file0\x00', 0x0) [ 62.900881][ T8471] team0: Port device team_slave_0 added [ 62.931151][ T8471] team0: Port device team_slave_1 added [ 63.101318][ T8471] device hsr_slave_0 entered promiscuous mode [ 63.130100][ T8471] device hsr_slave_1 entered promiscuous mode 09:36:37 executing program 4: r0 = openat$adsp1(0xffffffffffffff9c, &(0x7f0000000180)='/dev/adsp1\x00', 0x0, 0x0) ioctl$SNDCTL_DSP_SETTRIGGER(r0, 0x40045010, 0x0) [ 63.187991][ T8474] chnl_net:caif_netlink_parms(): no params data found [ 63.201684][ T8479] IPVS: ftp: loaded support on port[0] = 21 [ 63.351770][ T8476] chnl_net:caif_netlink_parms(): no params data found [ 63.405694][ T8482] IPVS: ftp: loaded support on port[0] = 21 [ 63.441369][ T8474] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.448446][ T8474] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.462629][ T8474] device bridge_slave_0 entered promiscuous mode [ 63.472366][ T8474] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.480251][ T8474] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.488175][ T8474] device bridge_slave_1 entered promiscuous mode [ 63.530859][ T8476] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.537951][ T8476] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.554519][ T8476] device bridge_slave_0 entered promiscuous mode 09:36:37 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x28, 0x31, 0x829, 0x0, 0x0, {0x2, 0x1000000}, [@nested={0x14}]}, 0x28}, 0x1, 0xffffff7f0e000000}, 0x0) [ 63.577767][ T8471] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.652067][ T8471] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.711289][ T8476] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.718406][ T8476] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.726296][ T8476] device bridge_slave_1 entered promiscuous mode [ 63.742118][ T8474] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.783665][ T8471] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.862957][ T8471] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.917030][ T8474] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.945524][ T8474] team0: Port device team_slave_0 added [ 63.955086][ T8474] team0: Port device team_slave_1 added [ 63.964017][ T8476] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.977941][ T8484] IPVS: ftp: loaded support on port[0] = 21 [ 63.996053][ T8476] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.008422][ T8479] chnl_net:caif_netlink_parms(): no params data found [ 64.070915][ T8476] team0: Port device team_slave_0 added [ 64.078617][ T8476] team0: Port device team_slave_1 added [ 64.121094][ T8474] device hsr_slave_0 entered promiscuous mode [ 64.170552][ T8474] device hsr_slave_1 entered promiscuous mode [ 64.239382][ T8474] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.247125][ T8474] Cannot create hsr debugfs directory [ 64.341107][ T8476] device hsr_slave_0 entered promiscuous mode [ 64.399986][ T8476] device hsr_slave_1 entered promiscuous mode [ 64.449491][ T8476] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.457133][ T8476] Cannot create hsr debugfs directory [ 64.467403][ T8479] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.475013][ T8479] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.482767][ T8479] device bridge_slave_0 entered promiscuous mode [ 64.490861][ T8479] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.497902][ T8479] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.505853][ T8479] device bridge_slave_1 entered promiscuous mode [ 64.548356][ T8479] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.595844][ T8479] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.646444][ T8479] team0: Port device team_slave_0 added [ 64.660346][ T8484] chnl_net:caif_netlink_parms(): no params data found [ 64.691675][ T8479] team0: Port device team_slave_1 added [ 64.711696][ T8482] chnl_net:caif_netlink_parms(): no params data found [ 64.802057][ T8479] device hsr_slave_0 entered promiscuous mode [ 64.840001][ T8479] device hsr_slave_1 entered promiscuous mode [ 64.899426][ T8479] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.907012][ T8479] Cannot create hsr debugfs directory [ 64.954165][ T8474] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 65.016128][ T8474] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 65.082215][ T8484] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.091801][ T8484] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.099565][ T8484] device bridge_slave_0 entered promiscuous mode [ 65.108305][ T8484] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.115512][ T8484] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.123545][ T8484] device bridge_slave_1 entered promiscuous mode [ 65.141105][ T8482] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.148213][ T8482] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.157244][ T8482] device bridge_slave_0 entered promiscuous mode [ 65.164487][ T8474] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 65.201870][ T8474] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 65.264092][ T8484] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.273474][ T8482] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.281587][ T8482] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.289179][ T8482] device bridge_slave_1 entered promiscuous mode [ 65.306650][ T8482] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.319736][ T8482] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.336621][ T8484] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.378549][ T8484] team0: Port device team_slave_0 added [ 65.394459][ T8482] team0: Port device team_slave_0 added [ 65.416723][ T8484] team0: Port device team_slave_1 added [ 65.425267][ T8471] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.433611][ T8482] team0: Port device team_slave_1 added [ 65.457386][ T8476] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 65.571141][ T8484] device hsr_slave_0 entered promiscuous mode [ 65.620491][ T8484] device hsr_slave_1 entered promiscuous mode [ 65.669424][ T8484] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.677574][ T8484] Cannot create hsr debugfs directory [ 65.683408][ T8476] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 65.745076][ T8476] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 65.811770][ T8479] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 65.873226][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.881782][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.890061][ T8476] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 65.982257][ T8482] device hsr_slave_0 entered promiscuous mode [ 66.009561][ T8482] device hsr_slave_1 entered promiscuous mode [ 66.059416][ T8482] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.066997][ T8482] Cannot create hsr debugfs directory [ 66.076048][ T8479] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 66.143794][ T8471] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.175286][ T8479] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 66.211532][ T8479] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 66.301969][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.311414][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.320311][ T2863] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.327476][ T2863] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.336386][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.345800][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.354259][ T2863] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.361330][ T2863] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.368818][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.398965][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.413360][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.466803][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.476927][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.485576][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.494434][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.503230][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.545628][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.555525][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.564875][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.573358][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.584126][ T8471] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.601991][ T8484] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 66.631262][ T8484] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 66.712910][ T8479] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.721862][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.729698][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.748028][ T8474] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.759658][ T8484] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.791616][ T8484] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.831556][ T8482] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 66.883512][ T8482] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 66.943135][ T8482] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 66.994707][ T8471] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.013201][ T8476] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.021516][ T8482] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 67.081440][ T8479] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.090274][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.098484][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.106453][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.114671][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.162739][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.171233][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.178913][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.187763][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.196714][ T2850] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.203828][ T2850] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.214879][ T8476] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.234216][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.242624][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.251913][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.261772][ T2863] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.268963][ T2863] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.277354][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 67.286364][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 67.296274][ T8474] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.336875][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.345952][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 67.354710][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 67.363601][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.372244][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.381010][ T2746] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.388046][ T2746] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.395783][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.404953][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.413391][ T2746] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.420464][ T2746] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.427907][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 67.436968][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.445363][ T2746] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.452456][ T2746] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.460250][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 67.469025][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.477427][ T2746] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.484487][ T2746] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.495359][ T8471] device veth0_vlan entered promiscuous mode [ 67.517177][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.524969][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.533907][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.541814][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.549753][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.558172][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.567428][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 67.579863][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.603655][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.612262][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.621836][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 67.630715][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.639106][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.647951][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.656895][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.665540][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.673962][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.682197][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.690873][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.699123][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.707487][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.716174][ T8471] device veth1_vlan entered promiscuous mode [ 67.750098][ T8479] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.760051][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 67.768012][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.775822][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.785302][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 67.794460][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.803052][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 67.812280][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.821213][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.829749][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.837975][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 67.846307][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.854436][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.863021][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.874171][ T8484] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.889187][ T8476] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.900837][ T2863] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.919156][ T8474] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.931794][ T8474] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.950215][ T8484] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.957719][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 67.967194][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.976872][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.985999][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.994108][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.006917][ T8482] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.040541][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.048022][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.056233][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.063991][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.072023][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.080624][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.088868][ T2872] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.095952][ T2872] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.103477][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.111391][ T2872] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.123196][ T8476] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.137831][ T8474] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.164468][ T2769] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.182886][ T2769] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.194311][ T2769] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.208276][ T2769] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.215406][ T2769] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.229702][ T2769] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.238697][ T2769] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.261532][ T8482] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.336775][ T8474] device veth0_vlan entered promiscuous mode [ 68.350990][ T8474] device veth1_vlan entered promiscuous mode [ 68.389921][ T8479] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.447989][ T8479] device veth0_vlan entered promiscuous mode [ 68.461892][ T8479] device veth1_vlan entered promiscuous mode [ 173.189224][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 173.196111][ C0] rcu: 0-...!: (10499 ticks this GP) idle=452/1/0x4000000000000002 softirq=12230/12230 fqs=36 [ 173.206696][ C0] (t=10500 jiffies g=6793 q=599) [ 173.211714][ C0] rcu: rcu_preempt kthread starved for 10421 jiffies! g6793 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 173.222795][ C0] rcu: RCU grace-period kthread stack dump: [ 173.228676][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 173.236575][ C0] Call Trace: [ 173.239975][ C0] __schedule+0x9a0/0xcc0 [ 173.244315][ C0] schedule+0x181/0x210 [ 173.248471][ C0] schedule_timeout+0x14f/0x240 [ 173.253315][ C0] ? run_local_timers+0x120/0x120 [ 173.258339][ C0] rcu_gp_kthread+0xed8/0x1770 [ 173.263103][ C0] kthread+0x332/0x350 [ 173.267161][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 173.272266][ C0] ? kthread_blkcg+0xe0/0xe0 [ 173.276845][ C0] ret_from_fork+0x24/0x30 [ 173.281261][ C0] NMI backtrace for cpu 0 [ 173.285579][ C0] CPU: 0 PID: 4205 Comm: udevd Not tainted 5.5.0-rc5-syzkaller #0 [ 173.293361][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 173.303402][ C0] Call Trace: [ 173.306683][ C0] [ 173.309526][ C0] dump_stack+0x1fb/0x318 [ 173.313848][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 173.318702][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 173.324844][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 173.330903][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 173.336873][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 173.342752][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 173.347859][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 173.353054][ C0] ? trace_hardirqs_off+0x74/0x80 [ 173.358181][ C0] update_process_times+0x12d/0x180 [ 173.363510][ C0] tick_sched_timer+0x263/0x420 [ 173.368360][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 173.373904][ C0] __hrtimer_run_queues+0x403/0x840 [ 173.379112][ C0] hrtimer_interrupt+0x38c/0xda0 [ 173.384446][ C0] ? debug_smp_processor_id+0x9/0x20 [ 173.389727][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 173.395275][ C0] apic_timer_interrupt+0xf/0x20 [ 173.400279][ C0] [ 173.404192][ C0] RIP: 0010:__memcg_kmem_uncharge+0x10/0x1a0 [ 173.410169][ C0] Code: 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 50 89 f3 <49> 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 38 4d 89 f5 49 c1 [ 173.430289][ C0] RSP: 0018:ffffc90001577ad0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 173.438694][ C0] RAX: ffffffff81489244 RBX: 0000000000000000 RCX: ffff888093b1c440 [ 173.446671][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00028c9640 [ 173.454717][ C0] RBP: ffffc90001577b00 R08: 000000000003a728 R09: ffffed1014dd32f9 [ 173.462678][ C0] R10: ffffed1014dd32f9 R11: 0000000000000000 R12: ffff88809fafc620 [ 173.470723][ C0] R13: dffffc0000000000 R14: 1ffff11013f5f8c4 R15: ffff8880a6e997b8 [ 173.478698][ C0] ? free_thread_stack+0x124/0x590 [ 173.484515][ C0] ? free_thread_stack+0x124/0x590 [ 173.489805][ C0] free_thread_stack+0x12e/0x590 [ 173.494736][ C0] put_task_stack+0xa3/0x130 [ 173.499322][ C0] finish_task_switch+0x3f1/0x550 [ 173.504341][ C0] __schedule+0x9a8/0xcc0 [ 173.508669][ C0] schedule+0x181/0x210 [ 173.512814][ C0] schedule_hrtimeout_range_clock+0x108/0x510 [ 173.519049][ C0] ? _raw_spin_unlock_irq+0x22/0x80 [ 173.524333][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 173.529703][ C0] ep_poll+0xa4d/0xe80 [ 173.533777][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 173.539161][ C0] ? do_task_dead+0xc0/0xc0 [ 173.543757][ C0] do_epoll_wait+0x1ee/0x260 [ 173.548350][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 173.553378][ C0] do_syscall_64+0xf7/0x1c0 [ 173.557989][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 173.563968][ C0] RIP: 0033:0x7f6b41167943 [ 173.568401][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 173.587997][ C0] RSP: 002b:00007fffa17e7a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 173.596412][ C0] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f6b41167943 [ 173.604381][ C0] RDX: 0000000000000008 RSI: 00007fffa17e7b30 RDI: 000000000000000a [ 173.614235][ C0] RBP: 00000000024773f0 R08: 0000000000000000 R09: 0000000000000001 [ 173.622421][ C0] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000003 [ 173.630405][ C0] R13: 0000000000000010 R14: 000000000249bec0 R15: 0000000002465250