[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 47.362483][ T25] audit: type=1800 audit(1575395282.328:25): pid=8203 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 47.403483][ T25] audit: type=1800 audit(1575395282.328:26): pid=8203 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.435474][ T25] audit: type=1800 audit(1575395282.328:27): pid=8203 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 '10.128.0.89' (ECDSA) to the list of known hosts. 2019/12/03 17:48:10 fuzzer started 2019/12/03 17:48:12 dialing manager at 10.128.0.26:42111 2019/12/03 17:48:12 syscalls: 2689 2019/12/03 17:48:12 code coverage: enabled 2019/12/03 17:48:12 comparison tracing: enabled 2019/12/03 17:48:12 extra coverage: extra coverage is not supported by the kernel 2019/12/03 17:48:12 setuid sandbox: enabled 2019/12/03 17:48:12 namespace sandbox: enabled 2019/12/03 17:48:12 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 17:48:12 fault injection: enabled 2019/12/03 17:48:12 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 17:48:12 net packet injection: enabled 2019/12/03 17:48:12 net device setup: enabled 2019/12/03 17:48:12 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 17:48:12 devlink PCI setup: PCI device 0000:00:10.0 is not available 17:48:13 executing program 0: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/uhid\x00', 0x0, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) poll(&(0x7f0000000180)=[{r0}], 0x1, 0x3) 17:48:13 executing program 1: msgrcv(0x0, 0x0, 0x0, 0x1, 0x1800) syzkaller login: [ 58.291838][ T8370] IPVS: ftp: loaded support on port[0] = 21 17:48:13 executing program 2: close(0xffffffffffffffff) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x2, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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, 0x8, 0x0, @perf_bp={0x0}, 0x0, 0x8, 0x0, 0x0, 0x101}, 0x0, 0x0, r0, 0x0) r1 = socket$inet6(0xa, 0x803, 0x2) connect$inet6(r1, &(0x7f00000000c0)={0xa, 0x0, 0x0, @loopback}, 0x1c) socket$inet_udp(0x2, 0x2, 0x0) bind$netlink(0xffffffffffffffff, &(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000000041}, 0xc) sendmsg$TIPC_CMD_SET_NETID(0xffffffffffffffff, &(0x7f0000000500)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x8000008}, 0xc, &(0x7f00000003c0)={0x0}}, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000000340)={{{@in=@loopback, @in6=@mcast1, 0x0, 0x0, 0x0, 0x0, 0xa}, {}, {}, 0x0, 0x0, 0x80000000000001}, {{@in6=@empty, 0x0, 0x3c}, 0x0, @in=@empty, 0x0, 0x4, 0x0, 0x1}}, 0xe8) sendmmsg(r1, &(0x7f0000008440)=[{{0x0, 0x536, 0x0}}], 0x400000000000107, 0x0) [ 58.479581][ T8370] chnl_net:caif_netlink_parms(): no params data found [ 58.490470][ T8373] IPVS: ftp: loaded support on port[0] = 21 [ 58.585970][ T8370] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.594212][ T8370] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.602954][ T8370] device bridge_slave_0 entered promiscuous mode [ 58.627682][ T8370] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.643433][ T8370] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.651552][ T8370] device bridge_slave_1 entered promiscuous mode [ 58.685035][ T8375] IPVS: ftp: loaded support on port[0] = 21 [ 58.701434][ T8370] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 17:48:13 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000500)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000080)={&(0x7f0000000800)=ANY=[@ANYBLOB="890600000000000000051942ffbffdcc8c111de43d9d90fbe35427f8a053bfebfc7c58ee37b255450b7a8954e1aa6c8759e779bb5f126337596166000d8709b32b0302a1da253197dfe4323a6b1d5c84"], 0x0, 0x50}, 0x20) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) syz_genetlink_get_family_id$SEG6(&(0x7f0000000000)='SEG6\x00') epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, &(0x7f0000000080)) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000200)={[0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x40000000003, 0xff], 0x1f004}) io_submit(0x0, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0xffffffffffffffff, 0x0}]) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000400)={[0x0, 0xffffffffffffffff]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 58.738031][ T8370] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.803146][ T8370] team0: Port device team_slave_0 added [ 58.836658][ T8370] team0: Port device team_slave_1 added [ 58.892078][ T8373] chnl_net:caif_netlink_parms(): no params data found 17:48:13 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r0 = socket(0x2000000000000021, 0x2, 0x10000000000002) connect$rxrpc(r0, &(0x7f0000000040)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x4e24, @broadcast}}, 0x24) sendmmsg(r0, &(0x7f0000005c00)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f00000025c0)=ANY=[@ANYBLOB="18000000000000001001000001000000770000000bdf00409330b3e7d8aa94129a373d62c292b8c6ed127caa87f75478759207d10604ec95ff7bcb0d6b9b125ec85a366abe4f50111f0a03dbd1b4dea05a8b5b29e84e4fadaa6ebe736427e44dc6505d24234826a267f75c743db965041c09c59047f7f794fdffff80b6d724c8f356b5c28affffffffff8193b1a5c3438495d929ce2f1ae893afaf3f05d32d0bfa67b3da43ab981313e755223886b180a269917db5430ef9aec071e44cd19cb18e4e0528acd13471f44d80d21ed5de4b4ca31f4269a88115bece676d0fbf165b08c35178e5989379cc9df9e121a95731d088d6"], 0x18, 0x4800000000000000}}], 0x1, 0x0) close(r0) [ 58.996386][ T8370] device hsr_slave_0 entered promiscuous mode [ 59.033887][ T8370] device hsr_slave_1 entered promiscuous mode [ 59.112399][ T8379] IPVS: ftp: loaded support on port[0] = 21 [ 59.185252][ T8370] netdevsim netdevsim0 netdevsim0: renamed from eth0 17:48:14 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)={0x1c, 0x2f, 0x3ff, 0x0, 0x0, {0xd}, [@typed={0x8, 0x3, @str='[\x00'}]}, 0x1c}}, 0x0) [ 59.270172][ T8375] chnl_net:caif_netlink_parms(): no params data found [ 59.284858][ T8370] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.336541][ T8370] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.435185][ T8370] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.445067][ T8381] IPVS: ftp: loaded support on port[0] = 21 [ 59.542209][ T8375] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.551495][ T8375] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.561254][ T8383] IPVS: ftp: loaded support on port[0] = 21 [ 59.568531][ T8375] device bridge_slave_0 entered promiscuous mode [ 59.596372][ T8373] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.603677][ T8373] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.611602][ T8373] device bridge_slave_0 entered promiscuous mode [ 59.622297][ T8373] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.629841][ T8373] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.638047][ T8373] device bridge_slave_1 entered promiscuous mode [ 59.645118][ T8375] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.652334][ T8375] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.660433][ T8375] device bridge_slave_1 entered promiscuous mode [ 59.712916][ T8373] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.724054][ T8373] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.735385][ T8375] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.768916][ T8375] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.840381][ T8373] team0: Port device team_slave_0 added [ 59.849354][ T8373] team0: Port device team_slave_1 added [ 59.857302][ T8375] team0: Port device team_slave_0 added [ 59.878183][ T8379] chnl_net:caif_netlink_parms(): no params data found [ 59.889707][ T8375] team0: Port device team_slave_1 added [ 59.956184][ T8373] device hsr_slave_0 entered promiscuous mode [ 59.993834][ T8373] device hsr_slave_1 entered promiscuous mode [ 60.035394][ T8373] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.067448][ T8381] chnl_net:caif_netlink_parms(): no params data found [ 60.122190][ T8381] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.129815][ T8381] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.137620][ T8381] device bridge_slave_0 entered promiscuous mode [ 60.156836][ T8381] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.165007][ T8381] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.172831][ T8381] device bridge_slave_1 entered promiscuous mode [ 60.215172][ T8375] device hsr_slave_0 entered promiscuous mode [ 60.253843][ T8375] device hsr_slave_1 entered promiscuous mode [ 60.293961][ T8375] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.344651][ T8379] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.352011][ T8379] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.359882][ T8379] device bridge_slave_0 entered promiscuous mode [ 60.375781][ T8373] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 60.426314][ T8373] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.475719][ T8383] chnl_net:caif_netlink_parms(): no params data found [ 60.485466][ T8379] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.492584][ T8379] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.501358][ T8379] device bridge_slave_1 entered promiscuous mode [ 60.514602][ T8381] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.526213][ T8381] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.536772][ T8373] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.585831][ T8373] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.640505][ T8379] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.652866][ T8370] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.679316][ T8379] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.720314][ T8375] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.766408][ T8381] team0: Port device team_slave_0 added [ 60.772281][ T8375] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.830957][ T8379] team0: Port device team_slave_0 added [ 60.839397][ T8379] team0: Port device team_slave_1 added [ 60.847225][ T8381] team0: Port device team_slave_1 added [ 60.853107][ T8375] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.912198][ T8383] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.920359][ T8383] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.929812][ T8383] device bridge_slave_0 entered promiscuous mode [ 60.938296][ T8383] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.945696][ T8383] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.954934][ T8383] device bridge_slave_1 entered promiscuous mode [ 60.977820][ T8375] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.058340][ T8370] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.075941][ T8383] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.125112][ T8381] device hsr_slave_0 entered promiscuous mode [ 61.154004][ T8381] device hsr_slave_1 entered promiscuous mode [ 61.193527][ T8381] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.202179][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.210984][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.235586][ T8383] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.277404][ T8379] device hsr_slave_0 entered promiscuous mode [ 61.324994][ T8379] device hsr_slave_1 entered promiscuous mode [ 61.373541][ T8379] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.382183][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.391281][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.399994][ T3595] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.407228][ T3595] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.417065][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.425794][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.434681][ T3595] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.441744][ T3595] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.449443][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.458680][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.511493][ T8381] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.558483][ T8381] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.606962][ T8384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.621934][ T8383] team0: Port device team_slave_0 added [ 61.634422][ T8383] team0: Port device team_slave_1 added [ 61.640206][ T8381] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.666829][ T8381] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.756339][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.765497][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.774514][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.783148][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.792588][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.810243][ T8373] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.855974][ T8383] device hsr_slave_0 entered promiscuous mode [ 61.893903][ T8383] device hsr_slave_1 entered promiscuous mode [ 61.953565][ T8383] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.967058][ T8370] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.978465][ T8370] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.995414][ T8379] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.065198][ T8379] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.109875][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.118880][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.128090][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.136643][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.166697][ T8373] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.174209][ T8379] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.198938][ T8379] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.245517][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.254234][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.261905][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.271164][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.279580][ T2999] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.311427][ T8383] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.355280][ T8383] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.412741][ T8375] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.425944][ T8370] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.443624][ T8383] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.505493][ T8383] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.551708][ T3566] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.560618][ T3566] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.569111][ T3566] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.576534][ T3566] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.584991][ T3566] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.592728][ T3566] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.600554][ T3566] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.609447][ T3566] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.618324][ T3566] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.625467][ T3566] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.633729][ T3566] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.644983][ T3566] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.656896][ T8375] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.688401][ T8384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.697945][ T8384] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.709833][ T8384] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.717120][ T8384] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.725968][ T8384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.735262][ T8384] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.744263][ T8384] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.752242][ T8384] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.760005][ T8384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.768739][ T8384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.777746][ T8384] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.786702][ T8384] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.794807][ T8384] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.821702][ T8373] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.833105][ T8373] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.893753][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.902868][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.911997][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.922904][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.932065][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.946425][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.958130][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.970172][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.981646][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.998366][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.011216][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.023218][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.035283][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.047595][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.059148][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.071568][ T3595] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 167.913315][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.920109][ C1] rcu: 1-...!: (10499 ticks this GP) idle=372/1/0x4000000000000002 softirq=10840/10843 fqs=36 [ 167.931194][ C1] (t=10500 jiffies g=7073 q=161) [ 167.936667][ C1] rcu: rcu_preempt kthread starved for 10423 jiffies! g7073 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 167.948295][ C1] rcu: RCU grace-period kthread stack dump: [ 167.954195][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.962229][ C1] Call Trace: [ 167.965729][ C1] __schedule+0x9a0/0xcc0 [ 167.970066][ C1] schedule+0x181/0x210 [ 167.974303][ C1] schedule_timeout+0x14f/0x240 [ 167.979148][ C1] ? run_local_timers+0x120/0x120 [ 167.984174][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.989079][ C1] kthread+0x332/0x350 [ 167.993286][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 167.999358][ C1] ? kthread_blkcg+0xe0/0xe0 [ 168.003957][ C1] ret_from_fork+0x24/0x30 [ 168.008409][ C1] NMI backtrace for cpu 1 [ 168.012738][ C1] CPU: 1 PID: 8241 Comm: rsyslogd Not tainted 5.4.0-syzkaller #0 [ 168.020469][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.031304][ C1] Call Trace: [ 168.034594][ C1] [ 168.037438][ C1] dump_stack+0x1fb/0x318 [ 168.041760][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 168.046598][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 168.052741][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 168.058967][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 168.064937][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 168.070817][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 168.076211][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 168.081403][ C1] ? trace_hardirqs_off+0x74/0x80 [ 168.086429][ C1] update_process_times+0x12d/0x180 [ 168.091625][ C1] tick_sched_timer+0x263/0x420 [ 168.096485][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 168.102037][ C1] __hrtimer_run_queues+0x403/0x840 [ 168.107253][ C1] hrtimer_interrupt+0x38c/0xda0 [ 168.112396][ C1] ? debug_smp_processor_id+0x9/0x20 [ 168.117769][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 168.123539][ C1] apic_timer_interrupt+0xf/0x20 [ 168.128465][ C1] [ 168.131664][ C1] RIP: 0010:free_thread_stack+0x133/0x590 [ 168.137482][ C1] Code: 00 ea ff ff 48 01 c7 be 03 00 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 [ 168.158572][ C1] RSP: 0018:ffffc900019b7a60 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.166986][ C1] RAX: 0000000000000001 RBX: ffffea0002818400 RCX: 0000000000000000 [ 168.175234][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002818400 [ 168.183207][ C1] RBP: ffffc900019b7a98 R08: dffffc0000000000 R09: fffffbfff120248a [ 168.191171][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff88809b2b70a0 [ 168.199138][ C1] R13: dffffc0000000000 R14: 1ffff11013656e14 R15: ffff88809f0e18a8 [ 168.207243][ C1] put_task_stack+0xa3/0x130 [ 168.211919][ C1] finish_task_switch+0x3f1/0x550 [ 168.217117][ C1] __schedule+0x9a8/0xcc0 [ 168.221445][ C1] schedule+0x181/0x210 [ 168.225600][ C1] do_syslog+0xdc7/0x1740 [ 168.229928][ C1] ? init_wait_entry+0xe0/0xe0 [ 168.234773][ C1] kmsg_read+0x94/0xd0 [ 168.239552][ C1] ? mmap_vmcore_fault+0x10/0x10 [ 168.244770][ C1] proc_reg_read+0x1e2/0x2d0 [ 168.249352][ C1] ? proc_reg_llseek+0x2c0/0x2c0 [ 168.254281][ C1] __vfs_read+0xb8/0x730 [ 168.258523][ C1] ? security_file_permission+0x23c/0x350 [ 168.264245][ C1] ? rw_verify_area+0x1c2/0x360 [ 168.270948][ C1] vfs_read+0x1dd/0x420 [ 168.275632][ C1] ksys_read+0x117/0x220 [ 168.279883][ C1] __x64_sys_read+0x7b/0x90 [ 168.285343][ C1] do_syscall_64+0xf7/0x1c0 [ 168.289865][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.295756][ C1] RIP: 0033:0x7fcbc3e591fd [ 168.300173][ C1] Code: d1 20 00 00 75 10 b8 00 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e fa ff ff 48 89 04 24 b8 00 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 a7 fa ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 168.319938][ C1] RSP: 002b:00007fcbc13f8e30 EFLAGS: 00000293 ORIG_RAX: 0000000000000000 [ 168.328424][ C1] RAX: ffffffffffffffda RBX: 0000000000f18650 RCX: 00007fcbc3e591fd [ 168.336382][ C1] RDX: 0000000000000fff RSI: 00007fcbc2c2d5a0 RDI: 0000000000000004 [ 168.344431][ C1] RBP: 0000000000000000 R08: 0000000000f03260 R09: 0000000000000000 [ 168.352390][ C1] R10: 0000000000000012 R11: 0000000000000293 R12: 000000000065e420 [ 168.360349][ C1] R13: 00007fcbc13f99c0 R14: 00007fcbc449e040 R15: 0000000000000003