[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.113528][ T26] audit: type=1800 audit(1578471267.415:25): pid=8411 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.155141][ T26] audit: type=1800 audit(1578471267.415:26): pid=8411 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.178228][ T26] audit: type=1800 audit(1578471267.425:27): pid=8411 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 '10.128.0.252' (ECDSA) to the list of known hosts. 2020/01/08 08:14:36 fuzzer started 2020/01/08 08:14:37 dialing manager at 10.128.0.26:35703 2020/01/08 08:14:38 syscalls: 2824 2020/01/08 08:14:38 code coverage: enabled 2020/01/08 08:14:38 comparison tracing: enabled 2020/01/08 08:14:38 extra coverage: enabled 2020/01/08 08:14:38 setuid sandbox: enabled 2020/01/08 08:14:38 namespace sandbox: enabled 2020/01/08 08:14:38 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 08:14:38 fault injection: enabled 2020/01/08 08:14:38 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 08:14:38 net packet injection: enabled 2020/01/08 08:14:38 net device setup: enabled 2020/01/08 08:14:38 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 08:14:38 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:14:39 executing program 0: futex(0x0, 0x9, 0x0, &(0x7f0000000040)={0x77359400}, 0x0, 0x0) 08:14:39 executing program 1: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) unshare(0x400) r0 = open(&(0x7f0000021000)='./file0\x00', 0x264040, 0x0) lseek(r0, 0x0, 0x0) syzkaller login: [ 60.007877][ T8578] IPVS: ftp: loaded support on port[0] = 21 [ 60.071117][ T8580] IPVS: ftp: loaded support on port[0] = 21 08:14:39 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) getsockopt$netlink(r0, 0x10e, 0x3, 0x0, &(0x7f0000000080)=0x19a) [ 60.127061][ T8578] chnl_net:caif_netlink_parms(): no params data found [ 60.226374][ T8578] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.248806][ T8578] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.256922][ T8578] device bridge_slave_0 entered promiscuous mode [ 60.293394][ T8578] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.309748][ T8578] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.329754][ T8578] device bridge_slave_1 entered promiscuous mode [ 60.361612][ T8578] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.392042][ T8583] IPVS: ftp: loaded support on port[0] = 21 08:14:39 executing program 3: mknod$loop(&(0x7f0000000080)='./file0\x00', 0x0, 0xffffffffffffffff) mount(&(0x7f0000000040)=@nullb='/dev/nullb0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000140)='ceph\x00', 0x0, 0x0) [ 60.421381][ T8578] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.487421][ T8580] chnl_net:caif_netlink_parms(): no params data found [ 60.562938][ T8578] team0: Port device team_slave_0 added [ 60.570878][ T8578] team0: Port device team_slave_1 added [ 60.610784][ T8586] IPVS: ftp: loaded support on port[0] = 21 [ 60.627964][ T8580] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.639005][ T8580] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.646901][ T8580] device bridge_slave_0 entered promiscuous mode 08:14:40 executing program 4: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r1 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f00000000c0)=[{0x0}, {0x0}, {0x0}, {&(0x7f0000000240)="0d00000000002a73c11115d81839408fa3a3ba27660199159dff51120000000000000005e260c650b5edacdec6fdb69d5a415918beba0c51a72f0100d9441e2173a65a48530607c748dc7fc4f4b52b07155fcb2aa544534d14dc0acc24d6c010628ab7073496678d306bed5163f10e2e2ed5266cabc3de2e36ff47694d24ec89f61c738002fcf0cf3ace8350410df57c2938a70b0c56bb5bf8b6eff5dfaca5d2412b6827f4bbea342fad9e8978ebef12a1be1d979d6ea7c3ecb0ed0ec4ce10816dcd91d6f51245eae70605ec5641f4aca2a2528b05cca3b47d0b38347eb66577ecaa892808bce77bab6a593d8ab61eef733fcd097cd544", 0xf7}], 0x4, 0x0) ptrace$setopts(0x4206, r1, 0x0, 0x0) tkill(r1, 0x3c) ptrace$cont(0x18, r1, 0x0, 0x0) ptrace$setregs(0xd, r1, 0x0, &(0x7f0000000080)) ptrace$cont(0x9, r1, 0x0, 0x0) [ 60.721953][ T8578] device hsr_slave_0 entered promiscuous mode [ 60.779123][ T8578] device hsr_slave_1 entered promiscuous mode [ 60.831813][ T8580] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.849384][ T8580] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.857295][ T8580] device bridge_slave_1 entered promiscuous mode 08:14:40 executing program 5: r0 = socket$inet(0x2, 0x100000000805, 0x0) listen(r0, 0x40000004) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r0, 0x84, 0x6d, &(0x7f0000745ffc), &(0x7f0000b96000)=0x35b) [ 60.969391][ T8583] chnl_net:caif_netlink_parms(): no params data found [ 60.976875][ T8589] IPVS: ftp: loaded support on port[0] = 21 [ 61.002930][ T8580] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.052639][ T8580] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.108571][ T8580] team0: Port device team_slave_0 added [ 61.123308][ T8580] team0: Port device team_slave_1 added [ 61.191587][ T8583] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.198767][ T8583] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.206505][ T8583] device bridge_slave_0 entered promiscuous mode [ 61.245124][ T8583] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.252420][ T8583] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.260097][ T8583] device bridge_slave_1 entered promiscuous mode [ 61.271992][ T8586] chnl_net:caif_netlink_parms(): no params data found [ 61.331372][ T8580] device hsr_slave_0 entered promiscuous mode [ 61.389158][ T8580] device hsr_slave_1 entered promiscuous mode [ 61.428965][ T8580] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.436730][ T8580] Cannot create hsr debugfs directory [ 61.442901][ T8578] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 61.501091][ T8578] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 61.509941][ T8593] IPVS: ftp: loaded support on port[0] = 21 [ 61.561106][ T8583] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.573704][ T8583] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.583820][ T8578] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 61.665726][ T8578] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 61.720567][ T8583] team0: Port device team_slave_0 added [ 61.746887][ T8583] team0: Port device team_slave_1 added [ 61.791274][ T8586] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.798408][ T8586] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.807056][ T8586] device bridge_slave_0 entered promiscuous mode [ 61.835038][ T8586] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.844077][ T8586] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.853089][ T8586] device bridge_slave_1 entered promiscuous mode [ 61.874436][ T8586] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.886912][ T8586] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.941580][ T8583] device hsr_slave_0 entered promiscuous mode [ 61.999253][ T8583] device hsr_slave_1 entered promiscuous mode [ 62.038916][ T8583] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.046547][ T8583] Cannot create hsr debugfs directory [ 62.055746][ T8589] chnl_net:caif_netlink_parms(): no params data found [ 62.065405][ T8580] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 62.134277][ T8580] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 62.195009][ T8580] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 62.234378][ T8580] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 62.335345][ T8586] team0: Port device team_slave_0 added [ 62.367933][ T8586] team0: Port device team_slave_1 added [ 62.414151][ T8589] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.421871][ T8589] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.429648][ T8589] device bridge_slave_0 entered promiscuous mode [ 62.481535][ T8586] device hsr_slave_0 entered promiscuous mode [ 62.519560][ T8586] device hsr_slave_1 entered promiscuous mode [ 62.578901][ T8586] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.586483][ T8586] Cannot create hsr debugfs directory [ 62.595429][ T8589] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.603150][ T8589] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.611461][ T8589] device bridge_slave_1 entered promiscuous mode [ 62.628034][ T8593] chnl_net:caif_netlink_parms(): no params data found [ 62.666255][ T8589] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.685085][ T8589] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.736337][ T8593] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.745259][ T8593] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.753390][ T8593] device bridge_slave_0 entered promiscuous mode [ 62.786474][ T8589] team0: Port device team_slave_0 added [ 62.793962][ T8593] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.801828][ T8593] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.810236][ T8593] device bridge_slave_1 entered promiscuous mode [ 62.828062][ T8578] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.836659][ T8583] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.883128][ T8583] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.932106][ T8583] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.992297][ T8589] team0: Port device team_slave_1 added [ 62.998047][ T8583] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 63.043531][ T8593] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.056867][ T8593] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.100412][ T8578] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.120725][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.129917][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.191564][ T8589] device hsr_slave_0 entered promiscuous mode [ 63.229605][ T8589] device hsr_slave_1 entered promiscuous mode [ 63.288914][ T8589] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.296508][ T8589] Cannot create hsr debugfs directory [ 63.319611][ T8593] team0: Port device team_slave_0 added [ 63.327112][ T8593] team0: Port device team_slave_1 added [ 63.337053][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.345853][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.354843][ T2679] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.362040][ T2679] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.371024][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.380040][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.388348][ T2679] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.395428][ T2679] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.403619][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.456486][ T8586] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 63.510838][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.519909][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.528401][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.537170][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.546763][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.590600][ T8593] device hsr_slave_0 entered promiscuous mode [ 63.639964][ T8593] device hsr_slave_1 entered promiscuous mode [ 63.679046][ T8593] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.686666][ T8593] Cannot create hsr debugfs directory [ 63.695660][ T8586] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 63.750663][ T8586] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.794848][ T8586] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.846298][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.855729][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.906345][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.914737][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.950169][ T8578] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.961814][ T8578] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.975242][ T8580] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.991558][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.001102][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.027377][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.037977][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.066997][ T8589] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 64.106845][ T8580] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.117554][ T8589] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 64.160862][ T8589] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.225049][ T8589] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 64.312483][ T8578] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.325622][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.334411][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.342159][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.351122][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.360271][ T8587] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.367394][ T8587] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.376101][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.406823][ T8583] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.417043][ T8593] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 64.440597][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.450027][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.458391][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.465518][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.473083][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.497685][ T8586] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.514614][ T8583] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.522409][ T8593] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 64.570156][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.581723][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 64.590335][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 64.599089][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.606691][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.634411][ T8593] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 64.681778][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.690466][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.699353][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.708049][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.717369][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.726013][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.734341][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.753647][ T8580] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.765773][ T8580] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.774534][ T8593] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.852097][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.860958][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.869385][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.876436][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.884504][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.893856][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.903313][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.911187][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.919828][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.928135][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.935254][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.950300][ T8586] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.957598][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.965519][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.999231][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.007785][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.040890][ T8589] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.052670][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.061983][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.073210][ T2680] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.080450][ T2680] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.088123][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.096964][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.105453][ T2680] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.112569][ T2680] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.120379][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.127824][ T2680] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.139768][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.157600][ T8578] device veth0_vlan entered promiscuous mode [ 65.169894][ T8580] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.185511][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 65.193957][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 65.202366][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.211410][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.220167][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.228523][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.237078][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.245730][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.254123][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 65.261936][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 65.269735][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.288302][ T8583] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 65.298938][ T8583] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 65.314707][ T8578] device veth1_vlan entered promiscuous mode [ 65.365655][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 65.383837][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 65.392848][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.404109][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.413273][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.422030][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.430599][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 65.439563][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 65.448168][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.456945][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.465334][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.473897][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.483060][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.491532][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.500064][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.508376][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.520904][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.528469][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.548407][ T8593] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.572568][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.585735][ T8587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 170.598665][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 170.605574][ C0] rcu: 0-...!: (10499 ticks this GP) idle=7d6/1/0x4000000000000002 softirq=12587/12587 fqs=6 [ 170.616129][ C0] (t=10501 jiffies g=7021 q=56) [ 170.621083][ C0] rcu: rcu_preempt kthread starved for 10490 jiffies! g7021 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 170.632168][ C0] rcu: RCU grace-period kthread stack dump: [ 170.638043][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 170.645937][ C0] Call Trace: [ 170.649221][ C0] __schedule+0x9a0/0xcc0 [ 170.653550][ C0] schedule+0x181/0x210 [ 170.657714][ C0] schedule_timeout+0x14f/0x240 [ 170.662558][ C0] ? run_local_timers+0x120/0x120 [ 170.667577][ C0] rcu_gp_kthread+0xed8/0x1770 [ 170.672341][ C0] kthread+0x332/0x350 [ 170.676397][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 170.681502][ C0] ? kthread_blkcg+0xe0/0xe0 [ 170.686085][ C0] ret_from_fork+0x24/0x30 [ 170.690502][ C0] NMI backtrace for cpu 0 [ 170.694858][ C0] CPU: 0 PID: 8587 Comm: kworker/0:3 Not tainted 5.5.0-rc5-syzkaller #0 [ 170.703162][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 170.713213][ C0] Workqueue: events linkwatch_event [ 170.718426][ C0] Call Trace: [ 170.721707][ C0] [ 170.724558][ C0] dump_stack+0x1fb/0x318 [ 170.728913][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 170.733787][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 170.739936][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 170.745998][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 170.752156][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 170.758043][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 170.763153][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 170.768344][ C0] ? trace_hardirqs_off+0x74/0x80 [ 170.773359][ C0] update_process_times+0x12d/0x180 [ 170.778549][ C0] tick_sched_timer+0x263/0x420 [ 170.783388][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 170.788922][ C0] __hrtimer_run_queues+0x403/0x840 [ 170.794126][ C0] hrtimer_interrupt+0x38c/0xda0 [ 170.799071][ C0] ? debug_smp_processor_id+0x9/0x20 [ 170.804388][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 170.809934][ C0] apic_timer_interrupt+0xf/0x20 [ 170.814864][ C0] [ 170.817791][ C0] RIP: 0010:__memcg_kmem_uncharge+0xd/0x1a0 [ 170.823695][ C0] Code: 81 c3 08 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 [ 170.843310][ C0] RSP: 0018:ffffc900025376c8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 170.851730][ C0] RAX: ffffffff81489244 RBX: ffffea00028aaf00 RCX: ffff888090010580 [ 170.859692][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00028aaf00 [ 170.867650][ C0] RBP: ffffc900025376f0 R08: 000000000003a728 R09: fffffbfff124248a [ 170.875611][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88808ed9aea0 [ 170.883573][ C0] R13: dffffc0000000000 R14: 1ffff11011db35d4 R15: ffff8880a1c03938 [ 170.891692][ C0] ? free_thread_stack+0x124/0x590 [ 170.896808][ C0] ? free_thread_stack+0x124/0x590 [ 170.901932][ C0] free_thread_stack+0x12e/0x590 [ 170.906868][ C0] put_task_stack+0xa3/0x130 [ 170.911454][ C0] finish_task_switch+0x3f1/0x550 [ 170.916475][ C0] __schedule+0x9a8/0xcc0 [ 170.920805][ C0] ? ___preempt_schedule+0x16/0x18 [ 170.925917][ C0] preempt_schedule+0xdb/0x120 [ 170.930683][ C0] ___preempt_schedule+0x16/0x18 [ 170.935615][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 170.940300][ C0] ? vprintk_emit+0x368/0x3a0 [ 170.944976][ C0] vprintk_emit+0x36d/0x3a0 [ 170.949476][ C0] vprintk_default+0x28/0x30 [ 170.954055][ C0] vprintk_func+0x158/0x170 [ 170.958550][ C0] printk+0x62/0x8d [ 170.962436][ C0] ? addrconf_notify+0xd37/0x3c90 [ 170.967450][ C0] ? addrconf_notify+0x779/0x3c90 [ 170.972466][ C0] addrconf_notify+0x2c8d/0x3c90 [ 170.977411][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 170.982691][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 170.988065][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 170.993606][ C0] ? trace_hardirqs_on+0x74/0x80 [ 170.998533][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 171.003903][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 171.009716][ C0] ? tls_dev_event+0x619/0xc00 [ 171.014485][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 171.020047][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 171.025246][ C0] raw_notifier_call_chain+0xec/0x190 [ 171.030623][ C0] netdev_state_change+0x147/0x1f0 [ 171.035743][ C0] linkwatch_do_dev+0x10e/0x160 [ 171.040587][ C0] __linkwatch_run_queue+0x446/0x730 [ 171.045868][ C0] linkwatch_event+0x4c/0x60 [ 171.050468][ C0] process_one_work+0x7ef/0x10d0 [ 171.055421][ C0] worker_thread+0xc01/0x1630 [ 171.060121][ C0] kthread+0x332/0x350 [ 171.064316][ C0] ? rcu_lock_release+0x30/0x30 [ 171.069164][ C0] ? kthread_blkcg+0xe0/0xe0 [ 171.073792][ C0] ret_from_fork+0x24/0x30