[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 56.544893][ T27] audit: type=1800 audit(1578473107.273:25): pid=8447 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 56.564087][ T27] audit: type=1800 audit(1578473107.273:26): pid=8447 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 56.609172][ T27] audit: type=1800 audit(1578473107.273:27): pid=8447 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 '10.128.0.249' (ECDSA) to the list of known hosts. 2020/01/08 08:45:17 fuzzer started 2020/01/08 08:45:20 dialing manager at 10.128.0.26:35703 2020/01/08 08:45:20 syscalls: 2824 2020/01/08 08:45:20 code coverage: enabled 2020/01/08 08:45:20 comparison tracing: enabled 2020/01/08 08:45:20 extra coverage: enabled 2020/01/08 08:45:20 setuid sandbox: enabled 2020/01/08 08:45:20 namespace sandbox: enabled 2020/01/08 08:45:20 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 08:45:20 fault injection: enabled 2020/01/08 08:45:20 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 08:45:20 net packet injection: enabled 2020/01/08 08:45:20 net device setup: enabled 2020/01/08 08:45:20 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 08:45:20 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:45:21 executing program 0: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c0, 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) r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f00000001c0)={0xa, 0x4e23}, 0x1c) listen(r0, 0x10001) r1 = socket$inet6_sctp(0xa, 0x800000000000001, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r1, 0x84, 0x6b, &(0x7f000055bfe4)=[@in6={0xa, 0x4e23, 0x0, @loopback, 0x8000000}], 0x1c) 08:45:21 executing program 1: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) perf_event_open(&(0x7f0000000040)={0x2, 0x62, 0xeb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendmsg$nl_netfilter(r0, &(0x7f0000d65000)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000200)={0x14, 0xc, 0x6, 0xffffffffffffffff}, 0x14}}, 0x0) syzkaller login: [ 70.699011][ T8613] IPVS: ftp: loaded support on port[0] = 21 [ 70.833007][ T8613] chnl_net:caif_netlink_parms(): no params data found [ 70.848546][ T8616] IPVS: ftp: loaded support on port[0] = 21 08:45:21 executing program 2: rt_sigprocmask(0x0, &(0x7f0000000000)={0xffffffffffffffff}, 0x0, 0x8) setrlimit(0x1, &(0x7f0000000080)) r0 = memfd_create(&(0x7f0000000080)='\x00', 0x5) ioctl$FS_IOC_RESVSP(r0, 0x40305828, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x4}) [ 70.928292][ T8613] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.943413][ T8613] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.951107][ T8613] device bridge_slave_0 entered promiscuous mode [ 70.976820][ T8613] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.993367][ T8613] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.001176][ T8613] device bridge_slave_1 entered promiscuous mode [ 71.096728][ T8613] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.136751][ T8613] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 08:45:21 executing program 3: r0 = socket$netlink(0x10, 0x3, 0x0) bind$netlink(r0, &(0x7f0000514ff4)={0x10, 0x0, 0x0, 0x2ffffffff}, 0xc) r1 = socket$netlink(0x10, 0x3, 0x0) bind$netlink(r1, &(0x7f0000514ff4)={0x10, 0x0, 0x0, 0x2ffffffff}, 0xc) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000080), 0x4) sendmsg$nl_route(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000180)=@newlink={0x28, 0x10, 0xc362e63b3f31ba5f, 0x0, 0x0, {}, [@IFLA_GROUP={0x8}]}, 0x28}}, 0x0) [ 71.153154][ T8616] chnl_net:caif_netlink_parms(): no params data found [ 71.189129][ T8613] team0: Port device team_slave_0 added [ 71.224515][ T8619] IPVS: ftp: loaded support on port[0] = 21 [ 71.237982][ T8613] team0: Port device team_slave_1 added 08:45:22 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) shutdown(r0, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f00000000c0)={0x0, 0x1c, &(0x7f0000000000)=[@in6={0xa, 0x0, 0x0, @rand_addr="6e31bfd72c89323c0c80b5167329292c"}]}, &(0x7f0000000100)=0x10) setsockopt$inet_sctp6_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f0000000040)={r1, 0x80000001, 0x0, 0x5}, 0x10) [ 71.396161][ T8613] device hsr_slave_0 entered promiscuous mode [ 71.476159][ T8613] device hsr_slave_1 entered promiscuous mode [ 71.533395][ T8616] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.540470][ T8616] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.564428][ T8616] device bridge_slave_0 entered promiscuous mode 08:45:22 executing program 5: openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0x275a, 0x0) r1 = creat(&(0x7f0000000140)='./file0\x00', 0x0) fallocate(r1, 0x0, 0x40000, 0x4) fallocate(r0, 0x0, 0x0, 0x110001) ioctl$EXT4_IOC_MOVE_EXT(r0, 0xc028660f, &(0x7f0000000040)={0xd000000, r1, 0x402, 0x8}) [ 71.591275][ T8621] IPVS: ftp: loaded support on port[0] = 21 [ 71.622982][ T8623] IPVS: ftp: loaded support on port[0] = 21 [ 71.634977][ T8616] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.642507][ T8616] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.656879][ T8616] device bridge_slave_1 entered promiscuous mode [ 71.729060][ T8616] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.770485][ T8616] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.813516][ T8626] IPVS: ftp: loaded support on port[0] = 21 [ 71.827907][ T8616] team0: Port device team_slave_0 added [ 71.855810][ T8616] team0: Port device team_slave_1 added [ 71.876459][ T8613] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.927954][ T8613] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.986553][ T8613] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.095818][ T8613] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.195679][ T8616] device hsr_slave_0 entered promiscuous mode [ 72.243708][ T8616] device hsr_slave_1 entered promiscuous mode [ 72.283649][ T8616] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.291422][ T8616] Cannot create hsr debugfs directory [ 72.300919][ T8621] chnl_net:caif_netlink_parms(): no params data found [ 72.347765][ T8619] chnl_net:caif_netlink_parms(): no params data found [ 72.357001][ T8621] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.365068][ T8621] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.372686][ T8621] device bridge_slave_0 entered promiscuous mode [ 72.382035][ T8621] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.389208][ T8621] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.396935][ T8621] device bridge_slave_1 entered promiscuous mode [ 72.462697][ T8623] chnl_net:caif_netlink_parms(): no params data found [ 72.478062][ T8621] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.516898][ T8621] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.591074][ T8619] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.600589][ T8619] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.608386][ T8619] device bridge_slave_0 entered promiscuous mode [ 72.617517][ T8621] team0: Port device team_slave_0 added [ 72.623394][ T8623] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.630434][ T8623] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.638925][ T8623] device bridge_slave_0 entered promiscuous mode [ 72.648864][ T8623] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.656008][ T8623] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.664005][ T8623] device bridge_slave_1 entered promiscuous mode [ 72.679897][ T8621] team0: Port device team_slave_1 added [ 72.686364][ T8619] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.693840][ T8619] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.701319][ T8619] device bridge_slave_1 entered promiscuous mode [ 72.775056][ T8621] device hsr_slave_0 entered promiscuous mode [ 72.843659][ T8621] device hsr_slave_1 entered promiscuous mode [ 72.903433][ T8621] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.911159][ T8621] Cannot create hsr debugfs directory [ 72.929094][ T8626] chnl_net:caif_netlink_parms(): no params data found [ 72.939632][ T8623] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.951742][ T8619] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.968808][ T8619] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.980020][ T8623] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.031828][ T8619] team0: Port device team_slave_0 added [ 73.045750][ T8613] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.054574][ T8623] team0: Port device team_slave_0 added [ 73.060428][ T8616] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 73.117240][ T8616] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 73.175890][ T8619] team0: Port device team_slave_1 added [ 73.181608][ T8616] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 73.238876][ T8616] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 73.308472][ T8623] team0: Port device team_slave_1 added [ 73.332516][ T8626] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.340583][ T8626] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.348260][ T8626] device bridge_slave_0 entered promiscuous mode [ 73.357066][ T8626] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.364206][ T8626] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.371745][ T8626] device bridge_slave_1 entered promiscuous mode [ 73.455142][ T8623] device hsr_slave_0 entered promiscuous mode [ 73.503789][ T8623] device hsr_slave_1 entered promiscuous mode [ 73.543546][ T8623] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.551136][ T8623] Cannot create hsr debugfs directory [ 73.615154][ T8619] device hsr_slave_0 entered promiscuous mode [ 73.673677][ T8619] device hsr_slave_1 entered promiscuous mode [ 73.723537][ T8619] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.731187][ T8619] Cannot create hsr debugfs directory [ 73.741012][ T8626] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.753651][ T8626] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.798749][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.807361][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.816605][ T8626] team0: Port device team_slave_0 added [ 73.849566][ T8626] team0: Port device team_slave_1 added [ 73.856910][ T8613] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.900354][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.909597][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.918186][ T2694] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.925327][ T2694] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.966161][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.974436][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.982840][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.991497][ T2693] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.998592][ T2693] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.007991][ T8621] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 74.057764][ T8621] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 74.166922][ T8626] device hsr_slave_0 entered promiscuous mode [ 74.203690][ T8626] device hsr_slave_1 entered promiscuous mode [ 74.253554][ T8626] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 74.261120][ T8626] Cannot create hsr debugfs directory [ 74.297682][ T8621] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 74.349669][ T8623] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 74.415304][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.442652][ T8621] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 74.475248][ T8623] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 74.525906][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.534515][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.542920][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.551462][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.559878][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.589922][ T8623] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 74.658076][ T8623] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 74.705507][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.713953][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.722200][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.744053][ T8619] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 74.799581][ T8613] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.810908][ T8613] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.834672][ T8616] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.845558][ T8619] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 74.868167][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.876752][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.900325][ T8616] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.910371][ T8619] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 74.947550][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.958204][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.966234][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.975516][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.984186][ T2705] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.991212][ T2705] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.014148][ T8619] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 75.049277][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.057232][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.064763][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.072178][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.080768][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.089332][ T2694] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.096428][ T2694] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.104166][ T2694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.138538][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.151080][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.160071][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.168976][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.177714][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.186448][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.194835][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.203935][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.221911][ T8613] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.245690][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.256436][ T2693] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.268862][ T8616] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.281328][ T8626] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 75.315939][ T8626] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 75.367417][ T8626] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 75.428205][ T8626] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 75.536484][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.547954][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.569755][ T8623] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.612858][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.622108][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.649015][ T8613] device veth0_vlan entered promiscuous mode [ 75.662164][ T8621] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.673492][ T8616] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.686315][ T8619] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.693109][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.701714][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.710501][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.718403][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.730617][ T8613] device veth1_vlan entered promiscuous mode [ 75.745664][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.755100][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.763019][ T2929] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.775812][ T8623] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.798445][ T8626] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.810983][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.819148][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.827636][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.835837][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.843781][ T3246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.862132][ T8616] device veth0_vlan entered promiscuous mode [ 75.881646][ T8619] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.892977][ T8621] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.900907][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.912016][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.921126][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.929377][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.938270][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.947057][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.955852][ T2705] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.962932][ T2705] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.970990][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.978665][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.991328][ T8616] device veth1_vlan entered promiscuous mode [ 76.003092][ T8626] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.033558][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.041194][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.059570][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.068436][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 76.081626][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.090716][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.105711][ T2705] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.112806][ T2705] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.126296][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 76.137811][ T2705] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.152340][ T2705] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.159478][ T2705] bridge0: port 1(bridge_slave_0) entered forwarding state [ 181.143263][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 181.150140][ C1] rcu: 1-...!: (1 GPs behind) idle=a76/1/0x4000000000000002 softirq=15035/15037 fqs=1 [ 181.160013][ C1] (t=10501 jiffies g=6949 q=59) [ 181.164941][ C1] rcu: rcu_preempt kthread starved for 10500 jiffies! g6949 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 181.176025][ C1] rcu: RCU grace-period kthread stack dump: [ 181.181898][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 181.189819][ C1] Call Trace: [ 181.193105][ C1] __schedule+0x9a0/0xcc0 [ 181.197445][ C1] schedule+0x181/0x210 [ 181.201597][ C1] schedule_timeout+0x14f/0x240 [ 181.206452][ C1] ? run_local_timers+0x120/0x120 [ 181.211470][ C1] rcu_gp_kthread+0xed8/0x1770 [ 181.216234][ C1] kthread+0x332/0x350 [ 181.220289][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 181.225386][ C1] ? kthread_blkcg+0xe0/0xe0 [ 181.229962][ C1] ret_from_fork+0x24/0x30 [ 181.234378][ C1] NMI backtrace for cpu 1 [ 181.238694][ C1] CPU: 1 PID: 8633 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 181.247344][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 181.257388][ C1] Call Trace: [ 181.260659][ C1] [ 181.263500][ C1] dump_stack+0x1fb/0x318 [ 181.267821][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 181.272661][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 181.278820][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 181.284877][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 181.290847][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 181.296728][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 181.301830][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 181.307034][ C1] ? trace_hardirqs_off+0x74/0x80 [ 181.312048][ C1] update_process_times+0x12d/0x180 [ 181.317238][ C1] tick_sched_timer+0x263/0x420 [ 181.322074][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 181.327621][ C1] __hrtimer_run_queues+0x403/0x840 [ 181.332821][ C1] hrtimer_interrupt+0x38c/0xda0 [ 181.337761][ C1] ? debug_smp_processor_id+0x9/0x20 [ 181.343143][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 181.348771][ C1] apic_timer_interrupt+0xf/0x20 [ 181.353691][ C1] [ 181.356619][ C1] RIP: 0010:mod_memcg_page_state+0x3d/0x190 [ 181.362499][ C1] Code: 27 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 80 3c 20 00 74 08 48 89 df e8 e6 8f 6a 00 48 8b 1b <48> 85 db 0f 84 d8 00 00 00 48 c7 c0 60 95 2a 89 48 c1 e8 03 42 80 [ 181.382089][ C1] RSP: 0018:ffffc900021b78a0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 181.390485][ C1] RAX: 1ffffd40004fce2f RBX: 0000000000000000 RCX: 0000000000040000 [ 181.398444][ C1] RDX: ffffc90001e79000 RSI: 000000000003ffff RDI: 0000000000040000 [ 181.406401][ C1] RBP: ffffc900021b78c0 R08: 000000000003a728 R09: ffffed101259d291 [ 181.414370][ C1] R10: ffffed101259d291 R11: 0000000000000000 R12: dffffc0000000000 [ 181.422342][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888092ce9478 [ 181.430342][ C1] free_thread_stack+0x168/0x590 [ 181.435274][ C1] put_task_stack+0xa3/0x130 [ 181.439871][ C1] finish_task_switch+0x3f1/0x550 [ 181.444895][ C1] __schedule+0x9a8/0xcc0 [ 181.449226][ C1] ? prepare_task_switch+0x43f/0x640 [ 181.454503][ C1] ? ___preempt_schedule+0x16/0x18 [ 181.459604][ C1] preempt_schedule+0xdb/0x120 [ 181.464371][ C1] ? text_poke_bp_batch+0x470/0x470 [ 181.469590][ C1] ___preempt_schedule+0x16/0x18 [ 181.474520][ C1] ? on_each_cpu+0x1a7/0x1f0 [ 181.479098][ C1] ? on_each_cpu+0x1cd/0x1f0 [ 181.483688][ C1] on_each_cpu+0x1d2/0x1f0 [ 181.488113][ C1] text_poke_bp_batch+0x162/0x470 [ 181.493132][ C1] ? arch_jump_label_transform_queue+0x21f/0x3f0 [ 181.499462][ C1] arch_jump_label_transform_apply+0x2d/0x50 [ 181.505436][ C1] __jump_label_update+0x371/0x390 [ 181.510542][ C1] jump_label_update+0x38e/0x410 [ 181.515469][ C1] static_key_enable_cpuslocked+0x130/0x240 [ 181.521366][ C1] static_key_enable+0x1a/0x30 [ 181.526393][ C1] perf_event_alloc+0x228c/0x27d0 [ 181.531423][ C1] __se_sys_perf_event_open+0x6e3/0x41c0 [ 181.537051][ C1] ? __might_fault+0x81/0x160 [ 181.541719][ C1] ? check_preemption_disabled+0xb4/0x260 [ 181.547442][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 181.553148][ C1] __x64_sys_perf_event_open+0xbf/0xd0 [ 181.558594][ C1] do_syscall_64+0xf7/0x1c0 [ 181.563085][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 181.568977][ C1] RIP: 0033:0x45af49 [ 181.572874][ 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 [ 181.592483][ C1] RSP: 002b:00007f7a69427c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 181.600884][ C1] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045af49 [ 181.608841][ C1] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 000000002001d000 [ 181.616799][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 181.624756][ C1] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f7a694286d4 [ 181.632733][ C1] R13: 00000000004c906d R14: 00000000004e18a8 R15: 00000000ffffffff