[ 41.111473][ T23] audit: type=1800 audit(1575446780.261:28): pid=7973 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. [ 41.529938][ T8038] sshd (8038) used greatest stack depth: 23544 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 41.755709][ T23] audit: type=1800 audit(1575446780.991:29): pid=7973 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 41.774918][ T23] audit: type=1800 audit(1575446780.991:30): pid=7973 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.16' (ECDSA) to the list of known hosts. 2019/12/04 08:06:31 fuzzer started 2019/12/04 08:06:32 dialing manager at 10.128.0.26:36481 2019/12/04 08:06:32 checking machine... 2019/12/04 08:06:32 checking revisions... 2019/12/04 08:06:32 testing simple program... syzkaller login: [ 53.799892][ T8137] IPVS: ftp: loaded support on port[0] = 21 2019/12/04 08:06:33 building call list... [ 54.137974][ T33] tipc: TX() has been purged, node left! [ 54.577584][ T8125] can: request_module (can-proto-0) failed. executing program [ 57.099348][ T8125] can: request_module (can-proto-0) failed. [ 57.110705][ T8125] can: request_module (can-proto-0) failed. 2019/12/04 08:06:43 syscalls: 2691 2019/12/04 08:06:43 code coverage: enabled 2019/12/04 08:06:43 comparison tracing: enabled 2019/12/04 08:06:43 extra coverage: extra coverage is not supported by the kernel 2019/12/04 08:06:43 setuid sandbox: enabled 2019/12/04 08:06:43 namespace sandbox: enabled 2019/12/04 08:06:43 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 08:06:43 fault injection: enabled 2019/12/04 08:06:43 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 08:06:43 net packet injection: enabled 2019/12/04 08:06:43 net device setup: enabled 2019/12/04 08:06:43 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 08:06:43 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:06:44 executing program 0: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000100)={0x26, 'hash\x00', 0x0, 0x0, 'xcbc(aes)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00000000c0)="0affefff7f000000001e6ea64aa8e1c9", 0x10) r1 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r1, 0x1400008912, &(0x7f0000000080)="080db5055e0bcfe87b2071") r2 = accept4(r0, 0x0, 0x0, 0x0) sendto$unix(r2, &(0x7f00000002c0)="9ddbb43bb8b810d73f8f4fdffe974ff41fbc01c118bf9c60a3c6ee23335a9b67e1", 0x21, 0x0, 0x0, 0x0) 08:06:44 executing program 1: mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x7, 0x31, 0xffffffffffffffff, 0x0) mbind(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x2, &(0x7f0000000000)=0x3, 0x8, 0x0) get_mempolicy(0x0, 0x0, 0x0, &(0x7f000056d000/0x3000)=nil, 0x3) [ 65.185723][ T8182] IPVS: ftp: loaded support on port[0] = 21 08:06:44 executing program 2: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) r0 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) chown(&(0x7f00000001c0)='./file0\x00', r1, 0x0) r2 = open(&(0x7f0000000200)='./file0\x00', 0x0, 0x0) ioctl$EXT4_IOC_SETFLAGS(r2, 0x40086602, &(0x7f00000002c0)) [ 65.337752][ T8182] chnl_net:caif_netlink_parms(): no params data found [ 65.372402][ T8185] IPVS: ftp: loaded support on port[0] = 21 [ 65.418928][ T8182] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.426491][ T8182] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.434422][ T8182] device bridge_slave_0 entered promiscuous mode [ 65.451376][ T8182] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.467929][ T8182] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.475707][ T8182] device bridge_slave_1 entered promiscuous mode [ 65.560725][ T8182] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.581564][ T8182] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 08:06:44 executing program 3: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rtc0\x00', 0x0, 0x0) ioctl$RTC_UIE_ON(r0, 0x7006) [ 65.610862][ T8182] team0: Port device team_slave_0 added [ 65.621900][ T8187] IPVS: ftp: loaded support on port[0] = 21 [ 65.640154][ T8182] team0: Port device team_slave_1 added 08:06:45 executing program 4: r0 = syz_open_dev$video(&(0x7f0000000080)='/dev/video#\x00', 0xd, 0x0) ioctl$VIDIOC_SUBDEV_S_DV_TIMINGS(r0, 0xc0845657, &(0x7f0000000200)={0x0, @bt={0x0, 0xa1f7}}) [ 65.850670][ T8182] device hsr_slave_0 entered promiscuous mode [ 65.908138][ T8182] device hsr_slave_1 entered promiscuous mode [ 65.993382][ T8190] IPVS: ftp: loaded support on port[0] = 21 [ 66.003293][ T8185] chnl_net:caif_netlink_parms(): no params data found 08:06:45 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet(0x2, 0x100000000805, 0x0) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r3, 0x84, 0x8, &(0x7f0000745ffc), &(0x7f0000b96000)=0x35b) [ 66.133969][ T8185] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.141512][ T8185] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.152303][ T8185] device bridge_slave_0 entered promiscuous mode [ 66.160972][ T8182] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.221628][ T8182] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.291157][ T8182] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.359942][ T8182] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.368950][ T8192] IPVS: ftp: loaded support on port[0] = 21 [ 66.399777][ T8185] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.406853][ T8185] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.414608][ T8185] device bridge_slave_1 entered promiscuous mode [ 66.426152][ T8187] chnl_net:caif_netlink_parms(): no params data found [ 66.472666][ T8195] IPVS: ftp: loaded support on port[0] = 21 [ 66.506653][ T8185] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.528117][ T8185] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.551432][ T8187] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.560562][ T8187] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.568423][ T8187] device bridge_slave_0 entered promiscuous mode [ 66.577324][ T8187] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.584660][ T8187] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.592517][ T8187] device bridge_slave_1 entered promiscuous mode [ 66.641756][ T8187] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.652490][ T8187] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.664607][ T8185] team0: Port device team_slave_0 added [ 66.707250][ T8185] team0: Port device team_slave_1 added [ 66.723644][ T8187] team0: Port device team_slave_0 added [ 66.740283][ T8187] team0: Port device team_slave_1 added [ 66.780675][ T8185] device hsr_slave_0 entered promiscuous mode [ 66.818865][ T8185] device hsr_slave_1 entered promiscuous mode [ 66.858104][ T8185] debugfs: Directory 'hsr0' with parent '/' already present! [ 66.872600][ T8190] chnl_net:caif_netlink_parms(): no params data found [ 66.906911][ T8190] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.914096][ T8190] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.921801][ T8190] device bridge_slave_0 entered promiscuous mode [ 66.946491][ T8190] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.954165][ T8190] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.962192][ T8190] device bridge_slave_1 entered promiscuous mode [ 67.015704][ T8190] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.080205][ T8187] device hsr_slave_0 entered promiscuous mode [ 67.128279][ T8187] device hsr_slave_1 entered promiscuous mode [ 67.168011][ T8187] debugfs: Directory 'hsr0' with parent '/' already present! [ 67.177572][ T8192] chnl_net:caif_netlink_parms(): no params data found [ 67.190808][ T8182] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.205495][ T8185] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.260123][ T8190] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.295235][ T8185] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.335784][ T8190] team0: Port device team_slave_0 added [ 67.346424][ T8192] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.353668][ T8192] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.363727][ T8192] device bridge_slave_0 entered promiscuous mode [ 67.371224][ T8185] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.430164][ T8190] team0: Port device team_slave_1 added [ 67.435870][ T8185] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.483116][ T8195] chnl_net:caif_netlink_parms(): no params data found [ 67.492678][ T8192] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.500053][ T8192] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.507622][ T8192] device bridge_slave_1 entered promiscuous mode [ 67.591326][ T8190] device hsr_slave_0 entered promiscuous mode [ 67.628398][ T8190] device hsr_slave_1 entered promiscuous mode [ 67.668081][ T8190] debugfs: Directory 'hsr0' with parent '/' already present! [ 67.675922][ T8187] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 67.740999][ T8192] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.753840][ T8142] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 67.762146][ T8142] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.781867][ T8187] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 67.852272][ T8187] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 67.900090][ T8192] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.911281][ T8182] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.927123][ T8187] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 67.960724][ T8195] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.967959][ T8195] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.975475][ T8195] device bridge_slave_0 entered promiscuous mode [ 67.984171][ T8195] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.991731][ T8195] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.999497][ T8195] device bridge_slave_1 entered promiscuous mode [ 68.029726][ T8192] team0: Port device team_slave_0 added [ 68.036704][ T8142] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.045472][ T8142] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.054279][ T8142] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.061391][ T8142] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.074974][ T8190] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 68.135589][ T8192] team0: Port device team_slave_1 added [ 68.157332][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.165912][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.174629][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.183826][ T3228] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.190933][ T3228] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.209487][ T8190] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 68.270275][ T8190] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 68.312338][ T8195] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.360137][ T8192] device hsr_slave_0 entered promiscuous mode [ 68.408307][ T8192] device hsr_slave_1 entered promiscuous mode [ 68.488037][ T8192] debugfs: Directory 'hsr0' with parent '/' already present! [ 68.511352][ T8190] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 68.552470][ T8195] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.573259][ T3228] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.612373][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.622420][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 68.631051][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.639332][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 68.647575][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.655957][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 68.664276][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.672853][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.688837][ T8187] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.704628][ T8195] team0: Port device team_slave_0 added [ 68.714369][ T8142] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 68.723875][ T8142] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.733915][ T8182] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.744621][ T8185] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.752504][ T8195] team0: Port device team_slave_1 added [ 68.760596][ T8192] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 68.790300][ T8192] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 68.840822][ T8192] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 68.890454][ T8192] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 68.967118][ T8142] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.975937][ T8142] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.983767][ T8142] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.991852][ T8142] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.000334][ T8142] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.007712][ T8142] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.018653][ T8185] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.027441][ T8187] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.069833][ T8195] device hsr_slave_0 entered promiscuous mode [ 69.118234][ T8195] device hsr_slave_1 entered promiscuous mode [ 69.158139][ T8195] debugfs: Directory 'hsr0' with parent '/' already present! [ 69.194495][ T8182] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.206753][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.215613][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.224765][ T48] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.231858][ T48] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.239583][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.248090][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.256352][ T48] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.263528][ T48] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.271180][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.279794][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.288179][ T48] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.295209][ T48] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.302794][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.311214][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.319568][ T48] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.326619][ T48] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.334135][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.342683][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.351606][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.372682][ T8195] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 69.420117][ T8195] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 69.470210][ T8195] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 69.538272][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.546536][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.566262][ T8185] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 69.577215][ T8185] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.609877][ T8195] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 69.631216][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.640167][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.649271][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.658078][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.666383][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.675148][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.683601][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.692301][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.701282][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.709504][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.717799][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.726105][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.734885][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.743173][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.751610][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.759831][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.768086][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.776901][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.784944][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.792501][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.810883][ T8187] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.851076][ T8190] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.877246][ T8192] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.898608][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.906036][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.923809][ T8185] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.945515][ T8192] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.955253][ T8187] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.969149][ T8190] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.979331][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.986851][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.995313][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.004155][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.013523][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.030645][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.075820][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.086513][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.096206][ T8196] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.103303][ T8196] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.111251][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.119857][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.128616][ T8196] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.135694][ T8196] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.144875][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.154029][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.163394][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.172698][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.181579][ T8196] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.188687][ T8196] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.196985][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.205664][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.214332][ T8196] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.221442][ T8196] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.258780][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.267001][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.275271][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.284449][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.294708][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.304150][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.312793][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.321666][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.330390][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.339367][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.347760][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.356385][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.373627][ T8195] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.385179][ T8192] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.397374][ T8192] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.409159][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.418717][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.426527][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.435426][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.444505][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.453273][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.461836][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.470512][ T8200] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.486188][ T8195] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.497742][ T8190] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.510558][ T8190] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.538326][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.546154][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.554247][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.569921][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.578494][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.585974][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.613627][ T8192] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.635774][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.645163][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.654579][ T3697] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.661687][ T3697] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.674917][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.683670][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.692447][ T3697] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.699550][ T3697] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.707792][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.715836][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.723586][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.733122][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.742081][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.752046][ T3697] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.763328][ T8190] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.784677][ T8195] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.796320][ T8195] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.818593][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.826537][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.836229][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.847666][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.858214][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.866515][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.875691][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 175.327833][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.334614][ C0] rcu: 0-...!: (1 GPs behind) idle=062/1/0x4000000000000002 softirq=11026/11027 fqs=27 [ 175.344572][ C0] (t=10500 jiffies g=6717 q=1629) [ 175.349673][ C0] rcu: rcu_preempt kthread starved for 10446 jiffies! g6717 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 175.360926][ C0] rcu: RCU grace-period kthread stack dump: [ 175.366799][ C0] rcu_preempt I29032 10 2 0x80004000 [ 175.373118][ C0] Call Trace: [ 175.376406][ C0] __schedule+0x9a0/0xcc0 [ 175.380730][ C0] schedule+0x181/0x210 [ 175.384964][ C0] schedule_timeout+0x14f/0x240 [ 175.389799][ C0] ? run_local_timers+0x120/0x120 [ 175.394810][ C0] rcu_gp_kthread+0xed8/0x1770 [ 175.399575][ C0] kthread+0x332/0x350 [ 175.403628][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 175.408723][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.413301][ C0] ret_from_fork+0x24/0x30 [ 175.417750][ C0] NMI backtrace for cpu 0 [ 175.422100][ C0] CPU: 0 PID: 160 Comm: kworker/u4:3 Not tainted 5.4.0-syzkaller #0 [ 175.430054][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.440123][ C0] Workqueue: 0x0 (bat_events) [ 175.444875][ C0] Call Trace: [ 175.448142][ C0] [ 175.450982][ C0] dump_stack+0x1fb/0x318 [ 175.455299][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.460132][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.466270][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.472323][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.478291][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.484166][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.489269][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.494462][ C0] ? trace_hardirqs_off+0x74/0x80 [ 175.499472][ C0] update_process_times+0x12d/0x180 [ 175.504658][ C0] tick_sched_timer+0x263/0x420 [ 175.509497][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.515029][ C0] __hrtimer_run_queues+0x403/0x840 [ 175.520226][ C0] hrtimer_interrupt+0x38c/0xda0 [ 175.525163][ C0] ? debug_smp_processor_id+0x9/0x20 [ 175.530445][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 175.535976][ C0] apic_timer_interrupt+0xf/0x20 [ 175.540894][ C0] [ 175.543824][ C0] RIP: 0010:__memcg_kmem_uncharge+0xa/0x1a0 [ 175.549701][ C0] Code: 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 7c 87 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 [ 175.569287][ C0] RSP: 0018:ffffc90001607c08 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.577680][ C0] RAX: ffffffff81486ea4 RBX: ffffea0001ae3400 RCX: ffff8880a9062040 [ 175.585634][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0001ae3400 [ 175.593589][ C0] RBP: ffffc90001607c20 R08: dffffc0000000000 R09: fffffbfff120248a [ 175.601547][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a7857520 [ 175.609502][ C0] R13: dffffc0000000000 R14: 1ffff11014f0aea4 R15: ffff88809ad55728 [ 175.617469][ C0] ? free_thread_stack+0x124/0x590 [ 175.622574][ C0] free_thread_stack+0x12e/0x590 [ 175.627496][ C0] put_task_stack+0xa3/0x130 [ 175.632072][ C0] finish_task_switch+0x3f1/0x550 [ 175.637087][ C0] __schedule+0x9a8/0xcc0 [ 175.641409][ C0] schedule+0x181/0x210 [ 175.645555][ C0] worker_thread+0x10d6/0x1630 [ 175.650323][ C0] kthread+0x332/0x350 [ 175.654378][ C0] ? rcu_lock_release+0x30/0x30 [ 175.659213][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.663791][ C0] ret_from_fork+0x24/0x30