[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.968994][ T26] audit: type=1800 audit(1578466298.937:25): pid=8334 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.996561][ T26] audit: type=1800 audit(1578466298.937:26): pid=8334 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.037257][ T26] audit: type=1800 audit(1578466298.937:27): pid=8334 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 '10.128.0.98' (ECDSA) to the list of known hosts. 2020/01/08 06:51:49 fuzzer started 2020/01/08 06:51:51 dialing manager at 10.128.0.26:35703 2020/01/08 06:51:51 syscalls: 2824 2020/01/08 06:51:51 code coverage: enabled 2020/01/08 06:51:51 comparison tracing: enabled 2020/01/08 06:51:51 extra coverage: enabled 2020/01/08 06:51:51 setuid sandbox: enabled 2020/01/08 06:51:51 namespace sandbox: enabled 2020/01/08 06:51:51 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:51:51 fault injection: enabled 2020/01/08 06:51:51 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:51:51 net packet injection: enabled 2020/01/08 06:51:51 net device setup: enabled 2020/01/08 06:51:51 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:51:51 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:51:52 executing program 0: timer_create(0x0, &(0x7f0000066000)={0x0, 0x12, 0x0, @thr={0x0, 0x0}}, &(0x7f00009b1ffc)) timer_settime(0x0, 0x0, &(0x7f0000000040)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) timer_create(0x0, &(0x7f0000000000)={0x0, 0x14}, &(0x7f0000000040)=0x0) timer_settime(r0, 0x0, &(0x7f0000000180)={{0x0, 0x989680}, {0x0, 0x1c9c380}}, 0x0) clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) clock_nanosleep(0xb, 0x0, &(0x7f0000000280)={0x0, r1+10000000}, &(0x7f00000002c0)) 06:51:52 executing program 1: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$tipc(&(0x7f0000000140)='TIPC\x00') sendmsg$TIPC_CMD_ENABLE_BEARER(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000300)={0x1f, r1, 0xd1d}, 0x3c}}, 0x0) syzkaller login: [ 66.356142][ T8502] IPVS: ftp: loaded support on port[0] = 21 06:51:52 executing program 2: r0 = socket(0x40000000002, 0x3, 0x2) setsockopt$inet_int(r0, 0x0, 0x22, 0x0, 0x0) [ 66.528957][ T8505] IPVS: ftp: loaded support on port[0] = 21 [ 66.540798][ T8502] chnl_net:caif_netlink_parms(): no params data found [ 66.662586][ T8507] IPVS: ftp: loaded support on port[0] = 21 [ 66.666837][ T8502] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.676022][ T8502] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.697744][ T8502] device bridge_slave_0 entered promiscuous mode [ 66.721966][ T8502] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.729637][ T8502] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.738628][ T8502] device bridge_slave_1 entered promiscuous mode [ 66.795724][ T8502] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.810912][ T8502] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.829447][ T8505] chnl_net:caif_netlink_parms(): no params data found 06:51:52 executing program 3: mkdir(&(0x7f00000009c0)='./file1\x00', 0x0) mount$overlay(0x0, &(0x7f0000000040)='./file1\x00', &(0x7f0000000080)='overlay\x00', 0x0, &(0x7f00000002c0)={[{@index_on='index=on'}], [{@smackfstransmute={'smackfstransmute', 0x3d, 'system.posix_acl_default\x00'}}]}) [ 66.882443][ T8502] team0: Port device team_slave_0 added [ 66.915972][ T8502] team0: Port device team_slave_1 added [ 66.922838][ T8505] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.930565][ T8505] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.938898][ T8505] device bridge_slave_0 entered promiscuous mode [ 66.978066][ T8505] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.985145][ T8505] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.007503][ T8505] device bridge_slave_1 entered promiscuous mode [ 67.047075][ T8507] chnl_net:caif_netlink_parms(): no params data found 06:51:53 executing program 4: r0 = getpgrp(0x0) setpriority(0x0, r0, 0xffff) perf_event_open(&(0x7f00000002c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x9, 0x0, 0x9}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_dev$loop(&(0x7f0000000280)='/dev/loop#\x00', 0x0, 0x100082) shmget$private(0x0, 0x2000, 0x400, &(0x7f0000ffd000/0x2000)=nil) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) setresuid(0x0, 0x0, 0x0) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, 0x0) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000340)='auxv\x00') r2 = syz_open_procfs(0x0, &(0x7f0000000100)='auxv\x00') sendfile(r1, r2, 0x0, 0x1) ioctl$TIOCNXCL(r2, 0x540d) fcntl$getownex(0xffffffffffffffff, 0x10, 0x0) r3 = getpgid(0x0) fcntl$lock(0xffffffffffffffff, 0x26, &(0x7f00000001c0)={0x3, 0x3, 0x0, 0x0, r3}) shmctl$IPC_SET(0x0, 0x1, 0x0) shmget$private(0x0, 0x4000, 0x0, &(0x7f0000ffc000/0x4000)=nil) perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x1, 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, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_dev$mice(0x0, 0x0, 0x28100) socket$inet_udp(0x2, 0x2, 0x0) socket$pptp(0x18, 0x1, 0x2) open(0x0, 0x0, 0x0) socket$xdp(0x2c, 0x3, 0x0) open(0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) socket$inet6_sctp(0xa, 0x5, 0x84) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getresuid(0x0, &(0x7f0000000d40), 0x0) getegid() shmctl$IPC_SET(0x0, 0x1, 0x0) shmget(0x1, 0x2000, 0x0, &(0x7f0000ffd000/0x2000)=nil) shmget$private(0x0, 0x4000, 0x0, &(0x7f0000ffc000/0x4000)=nil) shmctl$IPC_SET(0x0, 0x1, 0x0) pwritev(0xffffffffffffffff, &(0x7f0000000340)=[{&(0x7f0000000180)='\'', 0x1}], 0x1, 0x0) ioctl$LOOP_CHANGE_FD(0xffffffffffffffff, 0x4c00, 0xffffffffffffffff) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x20000102000007) ioctl$VIDIOC_SUBSCRIBE_EVENT(0xffffffffffffffff, 0x4020565a, &(0x7f0000000240)={0x0, 0x0, 0x1}) socket(0x200000000000011, 0x0, 0x0) socket(0x1e, 0x1, 0x0) syz_genetlink_get_family_id$team(0x0) r4 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r4, 0x0, 0x27, &(0x7f0000002d80)={@multicast2, @local}, 0xc) r5 = socket(0x80000000000000a, 0x0, 0x0) setsockopt$inet6_group_source_req(r5, 0x29, 0x2e, &(0x7f0000000200)={0x0, {{0xa, 0x0, 0x0, @mcast1={0xff, 0x7}}}, {{0xa, 0x0, 0x0, @empty}}}, 0x108) accept4$packet(r5, &(0x7f0000000240)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, 0x0, 0x80000) r6 = socket(0x0, 0x2, 0x0) setsockopt$inet_int(0xffffffffffffffff, 0x0, 0x8, 0x0, 0x0) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, 0x0, &(0x7f0000000180)) getsockopt$inet_IP_IPSEC_POLICY(r6, 0x0, 0x10, &(0x7f0000000ac0)={{{@in6=@ipv4={[], [], @loopback}, @in=@multicast1}}, {{@in=@remote}, 0x0, @in=@local}}, &(0x7f00000003c0)=0xe8) getsockname$packet(0xffffffffffffffff, &(0x7f0000000400)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000000140)={0x0, @rand_addr, @initdev}, 0x0) socket(0x1e, 0x1, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) r7 = open(&(0x7f0000000080)='./bus\x00', 0x141242, 0x0) sendfile(0xffffffffffffffff, r7, 0x0, 0x80001d000010) ioctl$VIDIOC_ENUMINPUT(r7, 0xc050561a, 0x0) setsockopt$inet_mreqn(r7, 0x0, 0x0, &(0x7f0000002d80)={@multicast2, @local}, 0xc) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, 0x0, &(0x7f0000000180)) syz_open_dev$sndpcmc(&(0x7f0000000a00)='/dev/snd/pcmC#D#c\x00', 0x101, 0x400) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000c80)={{{@in6=@ipv4={[], [], @loopback}, @in=@multicast1}}, {{@in=@remote}, 0x0, @in=@local}}, &(0x7f00000006c0)=0xfffffffffffffe8d) [ 67.108865][ T8502] device hsr_slave_0 entered promiscuous mode [ 67.137031][ T8502] device hsr_slave_1 entered promiscuous mode [ 67.243369][ T8505] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.279874][ T8505] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.319836][ T8511] IPVS: ftp: loaded support on port[0] = 21 [ 67.360897][ T8505] team0: Port device team_slave_0 added [ 67.383325][ T8513] IPVS: ftp: loaded support on port[0] = 21 [ 67.392480][ T8507] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.400448][ T8507] bridge0: port 1(bridge_slave_0) entered disabled state 06:51:53 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) bind(r0, &(0x7f0000000000)=@un=@abs={0x0, 0x0, 0x4e21}, 0x80) [ 67.416457][ T8507] device bridge_slave_0 entered promiscuous mode [ 67.437366][ T8505] team0: Port device team_slave_1 added [ 67.462948][ T8507] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.474691][ T8507] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.482976][ T8507] device bridge_slave_1 entered promiscuous mode [ 67.542738][ T8507] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.599522][ T8507] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.669197][ T8505] device hsr_slave_0 entered promiscuous mode [ 67.716812][ T8505] device hsr_slave_1 entered promiscuous mode [ 67.756660][ T8505] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.764399][ T8505] Cannot create hsr debugfs directory [ 67.798351][ T8507] team0: Port device team_slave_0 added [ 67.820387][ T8502] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.879724][ T8502] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.939261][ T8507] team0: Port device team_slave_1 added [ 67.944963][ T8502] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.002750][ T8515] IPVS: ftp: loaded support on port[0] = 21 [ 68.014478][ T8502] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.169072][ T8507] device hsr_slave_0 entered promiscuous mode [ 68.207115][ T8507] device hsr_slave_1 entered promiscuous mode [ 68.246664][ T8507] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.254344][ T8507] Cannot create hsr debugfs directory [ 68.286003][ T8505] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 68.340375][ T8505] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 68.418014][ T8511] chnl_net:caif_netlink_parms(): no params data found [ 68.429662][ T8513] chnl_net:caif_netlink_parms(): no params data found [ 68.438067][ T8505] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 68.512630][ T8505] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 68.638904][ T8513] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.645987][ T8513] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.654782][ T8513] device bridge_slave_0 entered promiscuous mode [ 68.663132][ T8513] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.670593][ T8513] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.678684][ T8513] device bridge_slave_1 entered promiscuous mode [ 68.700551][ T8511] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.708363][ T8511] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.716175][ T8511] device bridge_slave_0 entered promiscuous mode [ 68.736341][ T8513] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.748533][ T8513] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.765556][ T8511] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.774187][ T8511] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.781845][ T8511] device bridge_slave_1 entered promiscuous mode [ 68.813487][ T8513] team0: Port device team_slave_0 added [ 68.819962][ T8507] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.859050][ T8511] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.874317][ T8511] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.891447][ T8513] team0: Port device team_slave_1 added [ 68.906351][ T8502] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.913937][ T8507] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.991262][ T8507] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 69.042451][ T8507] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 69.117432][ T8511] team0: Port device team_slave_0 added [ 69.124007][ T8515] chnl_net:caif_netlink_parms(): no params data found [ 69.189280][ T8513] device hsr_slave_0 entered promiscuous mode [ 69.247275][ T8513] device hsr_slave_1 entered promiscuous mode [ 69.286641][ T8513] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.294315][ T8513] Cannot create hsr debugfs directory [ 69.312615][ T8511] team0: Port device team_slave_1 added [ 69.327345][ T8502] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.347640][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.355735][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.363672][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.372299][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.381202][ T2920] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.388384][ T2920] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.399311][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.414959][ T8505] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.471088][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.480369][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.489272][ T2841] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.496323][ T2841] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.504222][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.578759][ T8511] device hsr_slave_0 entered promiscuous mode [ 69.616912][ T8511] device hsr_slave_1 entered promiscuous mode [ 69.666865][ T8511] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.674441][ T8511] Cannot create hsr debugfs directory [ 69.684988][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.698277][ T8515] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.705310][ T8515] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.713118][ T8515] device bridge_slave_0 entered promiscuous mode [ 69.721490][ T8515] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.729251][ T8515] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.737171][ T8515] device bridge_slave_1 entered promiscuous mode [ 69.772668][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.783851][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.791872][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.800871][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.809418][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.818222][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.826787][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.834972][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.843386][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.892650][ T8505] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.904095][ T8515] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.914573][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.925846][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.935262][ T8502] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.962338][ T8515] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.999994][ T8507] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.013801][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.026266][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.035054][ T2709] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.042148][ T2709] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.053127][ T8515] team0: Port device team_slave_0 added [ 70.061960][ T8515] team0: Port device team_slave_1 added [ 70.073213][ T8513] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.118857][ T8513] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.169916][ T2708] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.197627][ T8513] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.229003][ T8513] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.286560][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.300225][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.309723][ T2841] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.316830][ T2841] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.379225][ T8515] device hsr_slave_0 entered promiscuous mode [ 70.427232][ T8515] device hsr_slave_1 entered promiscuous mode [ 70.476772][ T8515] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.484397][ T8515] Cannot create hsr debugfs directory [ 70.528795][ T8511] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 70.569839][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 70.580552][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.588727][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 70.596154][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 70.603642][ T2709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.616293][ T8502] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 70.637596][ T8511] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 70.681216][ T8511] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 70.729029][ T8511] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 70.778907][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.787452][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.795834][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.804737][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.814600][ T8507] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.864068][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.873298][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.882083][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 70.891006][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 70.900091][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.908734][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.917205][ T2841] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.924254][ T2841] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.932152][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.941171][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.949532][ T2841] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.956603][ T2841] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.964299][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.972489][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.989718][ T8505] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.001670][ T8505] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.024468][ T8515] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 71.060382][ T8502] device veth0_vlan entered promiscuous mode [ 71.067032][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.074812][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.082615][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.090685][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.099514][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.108312][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.116457][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.127681][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.135990][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.144470][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.152811][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.163763][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.171843][ T2841] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.187827][ T8515] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 71.282357][ T8515] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 71.328341][ T8515] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 71.379395][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.388692][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.397383][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.405511][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.425904][ T8505] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.438551][ T8502] device veth1_vlan entered promiscuous mode [ 71.458169][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.466174][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.474174][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.483799][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 71.492464][ T2779] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.510967][ T8507] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.564686][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 71.574838][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 71.583121][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 71.612270][ T8507] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.637083][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 71.645671][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 71.655453][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 71.664399][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 71.673317][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 71.681563][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 71.690810][ T8505] device veth0_vlan entered promiscuous mode [ 71.705211][ T8513] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.754085][ T8505] device veth1_vlan entered promiscuous mode [ 71.764974][ T8515] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.773189][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 71.783762][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.794362][ T2920] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.807251][ T8511] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.823972][ T8511] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.861200][ T8511] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.875067][ T8511] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.904362][ T8511] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.938734][ T8511] device veth0_vlan entered promiscuous mode [ 71.952771][ T8511] device veth1_vlan entered promiscuous mode [ 176.866473][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 176.873298][ C0] rcu: 0-...!: (1 GPs behind) idle=d9e/1/0x4000000000000002 softirq=14613/14615 fqs=38 [ 176.883264][ C0] (t=10501 jiffies g=6797 q=576) [ 176.888280][ C0] rcu: rcu_preempt kthread starved for 10426 jiffies! g6797 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 176.899361][ C0] rcu: RCU grace-period kthread stack dump: [ 176.905235][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 176.913122][ C0] Call Trace: [ 176.916405][ C0] __schedule+0x9a0/0xcc0 [ 176.920738][ C0] schedule+0x181/0x210 [ 176.924883][ C0] schedule_timeout+0x14f/0x240 [ 176.929727][ C0] ? run_local_timers+0x120/0x120 [ 176.934742][ C0] rcu_gp_kthread+0xed8/0x1770 [ 176.939507][ C0] kthread+0x332/0x350 [ 176.943564][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 176.948660][ C0] ? kthread_blkcg+0xe0/0xe0 [ 176.953239][ C0] ret_from_fork+0x24/0x30 [ 176.957658][ C0] NMI backtrace for cpu 0 [ 176.961977][ C0] CPU: 0 PID: 8502 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 176.970544][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.980598][ C0] Call Trace: [ 176.983875][ C0] [ 176.986730][ C0] dump_stack+0x1fb/0x318 [ 176.991055][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 176.995906][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 177.002058][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 177.008118][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 177.014097][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 177.019980][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 177.025085][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 177.030280][ C0] ? trace_hardirqs_off+0x74/0x80 [ 177.035300][ C0] update_process_times+0x12d/0x180 [ 177.040489][ C0] tick_sched_timer+0x263/0x420 [ 177.045328][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 177.050862][ C0] __hrtimer_run_queues+0x403/0x840 [ 177.056068][ C0] hrtimer_interrupt+0x38c/0xda0 [ 177.061011][ C0] ? debug_smp_processor_id+0x9/0x20 [ 177.066307][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 177.071842][ C0] apic_timer_interrupt+0xf/0x20 [ 177.076764][ C0] [ 177.079696][ C0] RIP: 0010:free_thread_stack+0x177/0x590 [ 177.085405][ C0] Code: 80 3c 28 00 74 08 48 89 df e8 55 94 6a 00 48 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 39 94 6a 00 <49> 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 [ 177.104997][ C0] RSP: 0018:ffffc90001ec7bd0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 177.113397][ C0] RAX: ffffffff814897d3 RBX: ffff8880932c9708 RCX: ffff88807dba2000 [ 177.121364][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002657e80 [ 177.129351][ C0] RBP: ffffc90001ec7c08 R08: 000000000003a728 R09: ffffed1013c69b31 [ 177.137313][ C0] R10: ffffed1013c69b31 R11: 0000000000000000 R12: ffff8880932c97a0 [ 177.145274][ C0] R13: dffffc0000000000 R14: 1ffff110126592f4 R15: ffff88809e34d978 [ 177.153244][ C0] ? mod_memcg_page_state+0x123/0x190 [ 177.158614][ C0] put_task_stack+0xa3/0x130 [ 177.163210][ C0] finish_task_switch+0x3f1/0x550 [ 177.168230][ C0] __schedule+0x9a8/0xcc0 [ 177.172559][ C0] schedule+0x181/0x210 [ 177.176704][ C0] do_nanosleep+0x1d0/0x6c0 [ 177.181205][ C0] hrtimer_nanosleep+0x3a6/0x5b0 [ 177.186136][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 177.191934][ C0] __x64_sys_nanosleep+0x186/0x1d0 [ 177.197041][ C0] do_syscall_64+0xf7/0x1c0 [ 177.201533][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 177.207411][ C0] RIP: 0033:0x4593f0 [ 177.211305][ C0] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 177.230902][ C0] RSP: 002b:00007fff51161758 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 177.239300][ C0] RAX: ffffffffffffffda RBX: 0000000000011830 RCX: 00000000004593f0 [ 177.247257][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff51161760 [ 177.255219][ C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 00000000012c1940 [ 177.263195][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 177.271181][ C0] R13: 00007fff511617b0 R14: 0000000000011830 R15: 00007fff511617c0