[ 42.430687][ T25] audit: type=1800 audit(1575355928.033:28): pid=8032 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. [ 42.975460][ T8098] sshd (8098) used greatest stack depth: 24000 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 43.257066][ T25] audit: type=1800 audit(1575355928.973:29): pid=8032 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 43.277000][ T25] audit: type=1800 audit(1575355928.973:30): pid=8032 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 '10.128.0.191' (ECDSA) to the list of known hosts. 2019/12/03 06:52:19 fuzzer started 2019/12/03 06:52:21 dialing manager at 10.128.0.26:38907 2019/12/03 06:52:21 syscalls: 2697 2019/12/03 06:52:21 code coverage: enabled 2019/12/03 06:52:21 comparison tracing: enabled 2019/12/03 06:52:21 extra coverage: extra coverage is not supported by the kernel 2019/12/03 06:52:21 setuid sandbox: enabled 2019/12/03 06:52:21 namespace sandbox: enabled 2019/12/03 06:52:21 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 06:52:21 fault injection: enabled 2019/12/03 06:52:21 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 06:52:21 net packet injection: enabled 2019/12/03 06:52:21 net device setup: enabled 2019/12/03 06:52:21 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 06:52:21 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:52:22 executing program 0: r0 = mq_open(&(0x7f0000001380)='eth0\x00', 0x42, 0x0, 0x0) mq_timedsend(r0, 0x0, 0x2000, 0x0, 0x0) 06:52:22 executing program 1: r0 = memfd_create(&(0x7f0000000080)='$.6/%cpuset]\x00', 0x7) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execveat(r0, &(0x7f0000000000)='\x00', 0x0, 0x0, 0x1000) syzkaller login: [ 57.153598][ T8199] IPVS: ftp: loaded support on port[0] = 21 [ 57.184503][ T8201] IPVS: ftp: loaded support on port[0] = 21 06:52:23 executing program 2: pipe(&(0x7f00000015c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) close(r2) r3 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f00000014c0)={'veth1_to_hsr\x00', 0x0}) bind$packet(r3, &(0x7f0000000040)={0x11, 0x0, r4, 0x1, 0x0, 0x6, @local}, 0x14) write$binfmt_misc(r1, &(0x7f0000000380)=ANY=[@ANYRES64=r3, @ANYRES32=0x0, @ANYRES32], 0x19) setsockopt$packet_int(r3, 0x107, 0xf, &(0x7f0000000000)=0x5, 0x4) splice(r0, 0x0, r2, 0x0, 0x10003, 0x0) [ 57.361810][ T8199] chnl_net:caif_netlink_parms(): no params data found [ 57.380297][ T8201] chnl_net:caif_netlink_parms(): no params data found [ 57.450134][ T8199] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.458378][ T8199] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.468181][ T8199] device bridge_slave_0 entered promiscuous mode [ 57.476634][ T8201] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.483703][ T8201] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.493914][ T8201] device bridge_slave_0 entered promiscuous mode [ 57.517161][ T8199] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.524741][ T8199] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.546036][ T8199] device bridge_slave_1 entered promiscuous mode 06:52:23 executing program 3: set_mempolicy(0xc003, 0x0, 0x0) [ 57.564276][ T8205] IPVS: ftp: loaded support on port[0] = 21 [ 57.571006][ T8201] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.580120][ T8201] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.591890][ T8201] device bridge_slave_1 entered promiscuous mode [ 57.642944][ T8199] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.680791][ T8199] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.694663][ T8201] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.731029][ T8201] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.749273][ T8199] team0: Port device team_slave_0 added [ 57.791323][ T8199] team0: Port device team_slave_1 added 06:52:23 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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) shmget(0x0, 0x4000, 0xa04, &(0x7f0000ffc000/0x4000)=nil) socketpair(0x1e, 0x1, 0x0, 0x0) close(0xffffffffffffffff) fcntl$lock(0xffffffffffffffff, 0x0, 0x0) r0 = getpid() ioctl$RTC_SET_TIME(0xffffffffffffffff, 0x4024700a, 0x0) sched_setscheduler(r0, 0x5, &(0x7f0000000380)) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000540)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) setxattr$security_smack_transmute(0x0, 0x0, 0x0, 0x0, 0x7) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r3, &(0x7f0000fe6000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffe7) [ 57.832757][ T8208] IPVS: ftp: loaded support on port[0] = 21 [ 57.843194][ T8201] team0: Port device team_slave_0 added [ 57.861504][ T8201] team0: Port device team_slave_1 added [ 57.928529][ T8199] device hsr_slave_0 entered promiscuous mode [ 57.965212][ T8199] device hsr_slave_1 entered promiscuous mode [ 58.036651][ T8205] chnl_net:caif_netlink_parms(): no params data found 06:52:23 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'aead\x00', 0x0, 0x0, 'aegis128-generic\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="ab553fec94248c32e27d04000000288a", 0x10) r1 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=[@assoc={0x18, 0x117, 0x4, 0xd4e5}, @op={0x18, 0x117, 0x3, 0x1}], 0x30}, 0x0) write$binfmt_script(r1, &(0x7f0000000600)=ANY=[], 0xfec8) recvmmsg(r1, &(0x7f00000008c0)=[{{&(0x7f00000000c0)=@pptp={0x18, 0x2, {0x0, @initdev}}, 0x80, &(0x7f00000005c0)=[{&(0x7f00000001c0)=""/200, 0xc8}, {&(0x7f0000000140)=""/9, 0x9}, {&(0x7f0000000300)=""/225, 0xe1}, {&(0x7f0000000400)=""/41, 0x29}, {&(0x7f0000000440)=""/123, 0xffffff5e}, {&(0x7f00000004c0)=""/203, 0xcb}], 0x6, &(0x7f0000000640)=""/123, 0x7b}}, {{&(0x7f00000006c0)=@ipx, 0x80, &(0x7f0000000840)=[{&(0x7f0000000740)=""/221, 0xdd}], 0x1, &(0x7f0000000880)=""/24, 0x18}}], 0x2, 0x0, &(0x7f0000008000)={0x0, 0x989680}) [ 58.093705][ T8210] IPVS: ftp: loaded support on port[0] = 21 [ 58.120478][ T8201] device hsr_slave_0 entered promiscuous mode [ 58.165478][ T8201] device hsr_slave_1 entered promiscuous mode [ 58.205045][ T8201] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.216351][ T8199] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.269776][ T8199] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.331331][ T8212] IPVS: ftp: loaded support on port[0] = 21 [ 58.357918][ T8199] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.436901][ T8199] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.469811][ T8201] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.518898][ T8201] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.586280][ T8205] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.593378][ T8205] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.601522][ T8205] device bridge_slave_0 entered promiscuous mode [ 58.610686][ T8205] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.617925][ T8205] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.625968][ T8205] device bridge_slave_1 entered promiscuous mode [ 58.648521][ T8201] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.697926][ T8201] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.807938][ T8205] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.818743][ T8205] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.839066][ T8205] team0: Port device team_slave_0 added [ 58.858230][ T8205] team0: Port device team_slave_1 added [ 58.907259][ T8205] device hsr_slave_0 entered promiscuous mode [ 58.955258][ T8205] device hsr_slave_1 entered promiscuous mode [ 59.005020][ T8205] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.042627][ T8208] chnl_net:caif_netlink_parms(): no params data found [ 59.104065][ T8208] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.112026][ T8208] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.120028][ T8208] device bridge_slave_0 entered promiscuous mode [ 59.128978][ T8212] chnl_net:caif_netlink_parms(): no params data found [ 59.149726][ T8205] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.217843][ T8208] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.225116][ T8208] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.232710][ T8208] device bridge_slave_1 entered promiscuous mode [ 59.252669][ T8205] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.300602][ T8205] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.367749][ T8205] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.431848][ T8208] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.446078][ T8208] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.476041][ T8199] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.514140][ T8210] chnl_net:caif_netlink_parms(): no params data found [ 59.532651][ T8199] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.543222][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.552029][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.587022][ T8212] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.594213][ T8212] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.601966][ T8212] device bridge_slave_0 entered promiscuous mode [ 59.612646][ T8208] team0: Port device team_slave_0 added [ 59.619804][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.631725][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.640224][ T3093] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.647415][ T3093] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.655552][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.664417][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.672987][ T3093] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.680079][ T3093] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.687695][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.698986][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.712859][ T8201] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.722907][ T8212] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.730330][ T8212] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.738378][ T8212] device bridge_slave_1 entered promiscuous mode [ 59.747068][ T8208] team0: Port device team_slave_1 added [ 59.753489][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.784015][ T8210] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.792201][ T8210] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.802797][ T8210] device bridge_slave_0 entered promiscuous mode [ 59.814324][ T8210] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.821986][ T8210] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.830010][ T8210] device bridge_slave_1 entered promiscuous mode [ 59.850339][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.858992][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.867825][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.876239][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.885326][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.912607][ T8210] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.937452][ T8214] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.945270][ T8214] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.952799][ T8214] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.962241][ T8214] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.972192][ T8212] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.985623][ T8201] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.993595][ T8210] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.036673][ T8208] device hsr_slave_0 entered promiscuous mode [ 60.075259][ T8208] device hsr_slave_1 entered promiscuous mode [ 60.115019][ T8208] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.124578][ T8205] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.134146][ T8212] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.169552][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.178172][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.187187][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.194312][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.201912][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.210530][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.219085][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.226292][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.233841][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.243244][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.251863][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.260296][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.268768][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.277442][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.286060][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.294260][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.302471][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.310658][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.323078][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.330916][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.346850][ T8210] team0: Port device team_slave_0 added [ 60.353717][ T8210] team0: Port device team_slave_1 added [ 60.368076][ T8201] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.382250][ T8205] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.396539][ T8212] team0: Port device team_slave_0 added [ 60.404246][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.413522][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.421947][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.429899][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.459229][ T8212] team0: Port device team_slave_1 added [ 60.518507][ T8210] device hsr_slave_0 entered promiscuous mode [ 60.565909][ T8210] device hsr_slave_1 entered promiscuous mode [ 60.605392][ T8210] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.613960][ T8199] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.624317][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.635186][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.644105][ T3695] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.651218][ T3695] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.659309][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.726803][ T8212] device hsr_slave_0 entered promiscuous mode [ 60.765478][ T8212] device hsr_slave_1 entered promiscuous mode [ 60.845059][ T8212] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.865608][ T8208] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.906769][ T8208] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.957464][ T8208] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.017790][ T8213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.026842][ T8213] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.035413][ T8213] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.042450][ T8213] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.050672][ T8213] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.059341][ T8213] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.068503][ T8213] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.076225][ T8213] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.093251][ T8201] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.107590][ T8208] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.137041][ T8212] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.176635][ T8212] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.207799][ T8212] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.266783][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.278389][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.286628][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.293999][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.301841][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.310480][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.319037][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.327414][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.335738][ T3695] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.366853][ T8199] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.374637][ T8212] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.427262][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.435656][ T3093] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.449612][ T8205] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.470510][ T8210] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.509892][ T8222] ERROR: Domain ' /sbin/init /etc/init.d/rc /sbin/startpar /etc/init.d/ssh /sbin/start-stop-daemon /usr/sbin/sshd /usr/sbin/sshd /bin/bash /root/syz-fuzzer /root/syz-executor.1 proc:/self/fd/3' not defined. [ 166.524850][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.531635][ C1] rcu: 1-...!: (1 GPs behind) idle=14a/1/0x4000000000000002 softirq=11050/11052 fqs=142 [ 166.541665][ C1] (t=10500 jiffies g=6429 q=122) [ 166.546679][ C1] rcu: rcu_preempt kthread starved for 10203 jiffies! g6429 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.557759][ C1] rcu: RCU grace-period kthread stack dump: [ 166.563652][ C1] rcu_preempt R running task 28864 10 2 0x80004000 [ 166.571546][ C1] Call Trace: [ 166.574831][ C1] __schedule+0x9a0/0xcc0 [ 166.579159][ C1] schedule+0x181/0x210 [ 166.583303][ C1] schedule_timeout+0x14f/0x240 [ 166.588142][ C1] ? run_local_timers+0x120/0x120 [ 166.593160][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.597940][ C1] kthread+0x332/0x350 [ 166.602004][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.607106][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.611687][ C1] ret_from_fork+0x24/0x30 [ 166.616106][ C1] NMI backtrace for cpu 1 [ 166.620426][ C1] CPU: 1 PID: 8223 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 166.628644][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.638688][ C1] Call Trace: [ 166.641957][ C1] [ 166.644799][ C1] dump_stack+0x1fb/0x318 [ 166.649119][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.653961][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.660105][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.666160][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.672143][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.678150][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.683273][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.688576][ C1] ? trace_hardirqs_off+0x74/0x80 [ 166.693614][ C1] update_process_times+0x12d/0x180 [ 166.698996][ C1] tick_sched_timer+0x263/0x420 [ 166.703844][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.709387][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.715760][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.720717][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.726015][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 166.731547][ C1] apic_timer_interrupt+0xf/0x20 [ 166.736467][ C1] [ 166.740616][ C1] RIP: 0010:free_thread_stack+0x13d/0x590 [ 166.746336][ C1] Code: 00 00 e8 06 a2 60 00 e9 5d 04 00 00 e8 5c 2d 2e 00 48 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 43 a4 69 00 <49> 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 [ 166.765938][ C1] RSP: 0018:ffffc90002697e40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 166.775131][ C1] RAX: 0000000000000001 RBX: ffffea000257f180 RCX: 0000000000000000 [ 166.783091][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000257f180 [ 166.791311][ C1] RBP: ffffc90002697e78 R08: dffffc0000000000 R09: fffffbfff120248a [ 166.799273][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880947d18a0 [ 166.807317][ C1] R13: dffffc0000000000 R14: 1ffff110128fa314 R15: ffff8880a8481568 [ 166.815302][ C1] put_task_stack+0xa3/0x130 [ 166.819881][ C1] finish_task_switch+0x3f1/0x550 [ 166.824895][ C1] schedule_tail+0x20/0x1a0 [ 166.829388][ C1] ret_from_fork+0x8/0x30 [ 166.833701][ C1] RIP: 0033:0x45a679 [ 166.837586][ C1] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 166.857348][ C1] RSP: 002b:00007f286f961c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 166.865746][ C1] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 000000000045a679 [ 166.873700][ C1] RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000000000000100 [ 166.881656][ C1] RBP: 000000000075bf20 R08: ffffffffffffffff R09: 0000000000000000 [ 166.889615][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f286f9626d4 [ 166.897585][ C1] R13: 00000000004c0d71 R14: 00000000004d4928 R15: 00000000ffffffff