[ 43.990874][ T23] audit: type=1800 audit(1575329139.896:26): pid=8129 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.030013][ T23] audit: type=1800 audit(1575329139.896:27): pid=8129 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 44.059242][ T23] audit: type=1800 audit(1575329139.896:28): pid=8129 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. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.913257][ T23] audit: type=1800 audit(1575329140.856:29): pid=8129 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.57' (ECDSA) to the list of known hosts. 2019/12/02 23:25:47 fuzzer started 2019/12/02 23:25:49 dialing manager at 10.128.0.26:38907 2019/12/02 23:25:49 syscalls: 2697 2019/12/02 23:25:49 code coverage: enabled 2019/12/02 23:25:49 comparison tracing: enabled 2019/12/02 23:25:49 extra coverage: extra coverage is not supported by the kernel 2019/12/02 23:25:49 setuid sandbox: enabled 2019/12/02 23:25:49 namespace sandbox: enabled 2019/12/02 23:25:49 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/02 23:25:49 fault injection: enabled 2019/12/02 23:25:49 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/02 23:25:49 net packet injection: enabled 2019/12/02 23:25:49 net device setup: enabled 2019/12/02 23:25:49 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/02 23:25:49 devlink PCI setup: PCI device 0000:00:10.0 is not available 23:25:50 executing program 0: pipe(&(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) write$binfmt_script(r1, &(0x7f00000005c0)=ANY=[], 0xfffffcaa) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$int_in(r2, 0x5452, &(0x7f0000000180)=0xa) splice(r0, 0x0, r3, 0x0, 0x7ffffffe, 0x0) 23:25:50 executing program 1: perf_event_open(&(0x7f00000003c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 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) sendmsg$key(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000040)={0x0, 0x6}}, 0x0) r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(0xffffffffffffffff, &(0x7f00000001c0)={0x40000000, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=ANY=[@ANYBLOB="02020609100000000000004c9e0000000200130002000000000000000000000105000600200000000a00000000000000000500e50008070000001f00000000000009200000000000020001000000000000000002000098a805000500000000000a00000000000000ff1700a51409ac4cb3cbcf00000000000000000000000017"], 0x80}}, 0x0) sendmmsg(r0, &(0x7f0000000180), 0x40000000000002b, 0x0) syzkaller login: [ 54.777483][ T8291] IPVS: ftp: loaded support on port[0] = 21 [ 54.963815][ T8291] chnl_net:caif_netlink_parms(): no params data found [ 54.973639][ T8294] IPVS: ftp: loaded support on port[0] = 21 23:25:50 executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000000)='batadv0\x00', 0x10) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = fcntl$dupfd(r2, 0x0, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) connect$inet(r0, &(0x7f0000593000)={0x2, 0x0, @multicast1}, 0x10) r4 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r4, 0x0, 0x27, &(0x7f0000000040)={@multicast1, @local, @multicast1}, 0xc) setsockopt$inet_mreqn(r0, 0x0, 0x24, 0x0, 0x264) [ 55.034177][ T8291] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.042935][ T8291] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.052203][ T8291] device bridge_slave_0 entered promiscuous mode [ 55.068117][ T8291] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.090857][ T8291] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.110929][ T8291] device bridge_slave_1 entered promiscuous mode [ 55.166797][ T8291] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.182587][ T8296] IPVS: ftp: loaded support on port[0] = 21 [ 55.212453][ T8291] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 23:25:51 executing program 3: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'syz_tun\x00', 0x0}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000600)=ANY=[@ANYBLOB="74000000240001000000110000d0010000ffff00", @ANYRES32=r1, @ANYBLOB="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"], 0x74}}, 0x0) ioctl$sock_SIOCSIFVLAN_DEL_VLAN_CMD(0xffffffffffffffff, 0x8983, 0x0) r2 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r2, &(0x7f0000000180)=[{0x2, 0x1000000000000, &(0x7f0000000080), 0x0, &(0x7f0000000100)}], 0x492492492492642, 0x0) [ 55.271405][ T8291] team0: Port device team_slave_0 added [ 55.282611][ T8294] chnl_net:caif_netlink_parms(): no params data found [ 55.305433][ T8291] team0: Port device team_slave_1 added [ 55.384442][ T8291] device hsr_slave_0 entered promiscuous mode [ 55.442032][ T8291] device hsr_slave_1 entered promiscuous mode [ 55.499051][ T8294] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.509421][ T8294] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.517815][ T8294] device bridge_slave_0 entered promiscuous mode [ 55.536030][ T8294] bridge0: port 2(bridge_slave_1) entered blocking state 23:25:51 executing program 4: r0 = socket$inet_udplite(0x2, 0x2, 0x88) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x10032, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000000), &(0x7f0000000040)=0x8) r5 = dup2(r0, r2) dup3(r5, r1, 0x0) [ 55.548624][ T8299] IPVS: ftp: loaded support on port[0] = 21 [ 55.558357][ T8294] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.569209][ T8294] device bridge_slave_1 entered promiscuous mode [ 55.661322][ T8294] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.725567][ T8294] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.739251][ T8291] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.772339][ T8291] netdevsim netdevsim0 netdevsim1: renamed from eth1 23:25:51 executing program 5: seccomp$SECCOMP_GET_ACTION_AVAIL(0x2, 0x0, &(0x7f0000000100)=0x7ff00000) [ 55.913890][ T8296] chnl_net:caif_netlink_parms(): no params data found [ 55.926362][ T8302] IPVS: ftp: loaded support on port[0] = 21 [ 55.943316][ T8294] team0: Port device team_slave_0 added [ 55.949233][ T8291] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.993185][ T8291] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.079191][ T8294] team0: Port device team_slave_1 added [ 56.118596][ T8304] IPVS: ftp: loaded support on port[0] = 21 [ 56.192561][ T8294] device hsr_slave_0 entered promiscuous mode [ 56.230301][ T8294] device hsr_slave_1 entered promiscuous mode [ 56.290102][ T8294] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.317254][ T8296] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.324863][ T8296] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.332654][ T8296] device bridge_slave_0 entered promiscuous mode [ 56.347974][ T8296] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.356211][ T8296] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.364508][ T8296] device bridge_slave_1 entered promiscuous mode [ 56.393188][ T8296] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.418931][ T8299] chnl_net:caif_netlink_parms(): no params data found [ 56.429603][ T8296] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.450763][ T8296] team0: Port device team_slave_0 added [ 56.504004][ T8296] team0: Port device team_slave_1 added [ 56.509748][ T8299] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.517291][ T8299] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.525088][ T8299] device bridge_slave_0 entered promiscuous mode [ 56.535354][ T8299] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.542854][ T8299] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.550828][ T8299] device bridge_slave_1 entered promiscuous mode [ 56.575535][ T8302] chnl_net:caif_netlink_parms(): no params data found [ 56.625666][ T8294] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.692643][ T8296] device hsr_slave_0 entered promiscuous mode [ 56.730346][ T8296] device hsr_slave_1 entered promiscuous mode [ 56.770036][ T8296] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.782021][ T8299] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.793858][ T8299] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.803276][ T8294] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.872130][ T8294] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.913640][ T8294] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.022924][ T8299] team0: Port device team_slave_0 added [ 57.031736][ T8299] team0: Port device team_slave_1 added [ 57.092656][ T8299] device hsr_slave_0 entered promiscuous mode [ 57.130396][ T8299] device hsr_slave_1 entered promiscuous mode [ 57.170034][ T8299] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.187497][ T8302] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.195551][ T8302] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.203386][ T8302] device bridge_slave_0 entered promiscuous mode [ 57.212574][ T8302] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.219635][ T8302] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.227471][ T8302] device bridge_slave_1 entered promiscuous mode [ 57.251714][ T8291] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.267883][ T8304] chnl_net:caif_netlink_parms(): no params data found [ 57.291941][ T8302] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.305121][ T8302] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.344302][ T8296] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.415361][ T8296] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.486290][ T8302] team0: Port device team_slave_0 added [ 57.494737][ T8302] team0: Port device team_slave_1 added [ 57.562029][ T8302] device hsr_slave_0 entered promiscuous mode [ 57.630375][ T8302] device hsr_slave_1 entered promiscuous mode [ 57.670246][ T8302] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.678091][ T8296] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.722562][ T8296] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.777014][ T8299] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.834164][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.842592][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.852853][ T8291] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.881645][ T8299] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.928030][ T8299] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.983732][ T8304] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.991068][ T8304] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.998702][ T8304] device bridge_slave_0 entered promiscuous mode [ 58.009043][ T8304] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.016208][ T8304] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.024150][ T8304] device bridge_slave_1 entered promiscuous mode [ 58.033564][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.042692][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.051103][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.058223][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.066234][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.074955][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.083323][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.090396][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.098022][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.107226][ T8299] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.185549][ T8294] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.197721][ T8302] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 58.239760][ T8309] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.249040][ T8309] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.270257][ T8304] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.279408][ T8302] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 58.323797][ T8302] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 58.373373][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.383215][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.392237][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.409127][ T8304] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.428841][ T8302] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 58.473044][ T8294] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.492899][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.501649][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.510748][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.519358][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.560527][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.569108][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.577631][ T3700] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.584760][ T3700] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.594444][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.603219][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.611649][ T3700] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.618732][ T3700] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.626393][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.635519][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.645397][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.655208][ T8304] team0: Port device team_slave_0 added [ 58.668898][ T8291] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.681293][ T8291] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.704933][ T8296] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.715741][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.723971][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.734914][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.743828][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.753246][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.761932][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.770473][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.779124][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.788733][ T8304] team0: Port device team_slave_1 added [ 58.853849][ T8304] device hsr_slave_0 entered promiscuous mode [ 58.911884][ T8304] device hsr_slave_1 entered promiscuous mode [ 58.940096][ T8304] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.968694][ T8296] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.978763][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.987856][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.998219][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.007160][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.014927][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.022878][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.030989][ T3700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.042311][ T8294] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.054471][ T8294] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.070605][ T8291] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.079478][ T8299] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.092261][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.101549][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.118310][ T8294] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.136169][ T8302] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.148691][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.159004][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.199751][ T8299] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.215953][ T8302] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.225214][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.235129][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.245007][ T2997] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.252108][ T2997] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.266193][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.274896][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.283442][ T2997] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.290541][ T2997] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.298027][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.307250][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.315818][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.323760][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.331623][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.339185][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.347422][ T2997] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.355473][ T8304] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.422370][ T8304] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.500762][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.509457][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.542325][ T48] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.549455][ T48] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.558090][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.567079][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.581422][ T48] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.588500][ T48] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.602365][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.615325][ T48] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.660528][ T8304] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 164.549910][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.556854][ C0] rcu: 0-...!: (10499 ticks this GP) idle=eea/1/0x4000000000000002 softirq=10506/10506 fqs=38 [ 164.567657][ C0] (t=10501 jiffies g=6457 q=88) [ 164.572623][ C0] rcu: rcu_preempt kthread starved for 10425 jiffies! g6457 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 164.583729][ C0] rcu: RCU grace-period kthread stack dump: [ 164.589712][ C0] rcu_preempt R running task 29064 10 2 0x80004000 [ 164.597651][ C0] Call Trace: [ 164.600960][ C0] __schedule+0x9a0/0xcc0 [ 164.605295][ C0] schedule+0x181/0x210 [ 164.609444][ C0] schedule_timeout+0x14f/0x240 [ 164.614284][ C0] ? run_local_timers+0x120/0x120 [ 164.621522][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.626446][ C0] kthread+0x332/0x350 [ 164.630511][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 164.635813][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.640404][ C0] ret_from_fork+0x24/0x30 [ 164.646391][ C0] NMI backtrace for cpu 0 [ 164.650987][ C0] CPU: 0 PID: 7953 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 164.658554][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.668612][ C0] Call Trace: [ 164.671892][ C0] [ 164.674740][ C0] dump_stack+0x1fb/0x318 [ 164.679061][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.683923][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.690093][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.696166][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.702166][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.708061][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.713290][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.718487][ C0] ? trace_hardirqs_off+0x74/0x80 [ 164.723502][ C0] update_process_times+0x12d/0x180 [ 164.728711][ C0] tick_sched_timer+0x263/0x420 [ 164.733590][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.739169][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.744404][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.749354][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.754640][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.760309][ C0] apic_timer_interrupt+0xf/0x20 [ 164.765365][ C0] [ 164.768335][ C0] RIP: 0010:__memcg_kmem_uncharge+0x0/0x2e0 [ 164.774254][ C0] Code: 00 eb 1b 83 3d 40 90 8c 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 dc 7d ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 [ 164.793875][ C0] RSP: 0018:ffffc90006e17758 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.802300][ C0] RAX: ffffffff81486ea4 RBX: ffffea0001b1eb80 RCX: ffff8880962405c0 [ 164.810442][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0001b1eb80 [ 164.818443][ C0] RBP: ffffc90006e17798 R08: 000000000003a768 R09: ffffed101245333f [ 164.826561][ C0] R10: ffffed101245333f R11: 0000000000000000 R12: ffff8880a18a3620 [ 164.834544][ C0] R13: dffffc0000000000 R14: 1ffff110143146c4 R15: ffff8880922999e8 [ 164.842562][ C0] ? free_thread_stack+0x124/0x590 [ 164.847707][ C0] ? free_thread_stack+0x12e/0x590 [ 164.852821][ C0] put_task_stack+0xa3/0x130 [ 164.857402][ C0] finish_task_switch+0x3f1/0x550 [ 164.862425][ C0] __schedule+0x9a8/0xcc0 [ 164.866878][ C0] schedule+0x181/0x210 [ 164.871055][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 164.877256][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 164.883067][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 164.888467][ C0] poll_schedule_timeout+0x11c/0x1c0 [ 164.893766][ C0] do_sys_poll+0x82f/0x1240 [ 164.898283][ C0] ? debug_object_activate+0x2f7/0x6f0 [ 164.903869][ C0] ? debug_object_active_state+0x1e3/0x4a0 [ 164.909766][ C0] ? __lock_acquire+0xc75/0x1be0 [ 164.915827][ C0] ? __x32_compat_sys_ppoll_time64+0xd0/0xd0 [ 164.922106][ C0] ? trace_hardirqs_on+0x74/0x80 [ 164.927044][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 164.931830][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 164.936593][ C0] ? read_seqcount_begin+0x125/0x1c0 [ 164.941891][ C0] ? trace_hardirqs_on+0x74/0x80 [ 164.946822][ C0] ? ktime_get_ts64+0x6e/0x2c0 [ 164.951595][ C0] ? read_seqcount_begin+0x17a/0x1c0 [ 164.956903][ C0] ? ktime_get_ts64+0x240/0x2c0 [ 164.961752][ C0] ? timespec64_add_safe+0x171/0x1b0 [ 164.967038][ C0] __se_sys_poll+0x1b0/0x360 [ 164.971647][ C0] __x64_sys_poll+0x7b/0x90 [ 164.976168][ C0] do_syscall_64+0xf7/0x1c0 [ 164.980668][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.986577][ C0] RIP: 0033:0x7ff7fb6eb678 [ 164.990990][ C0] Code: 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 90 90 90 48 83 ec 28 8b 05 82 8f 2b 00 85 c0 75 17 48 63 d2 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 48 83 c4 28 c3 89 54 24 08 48 89 74 24 10 [ 165.010601][ C0] RSP: 002b:00007fff13555fe0 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 165.019023][ C0] RAX: ffffffffffffffda RBX: 20c49ba5e353f7cf RCX: 00007ff7fb6eb678 [ 165.027081][ C0] RDX: 000000000000ee31 RSI: 0000000000000001 RDI: 00007fff135560a0 [ 165.035278][ C0] RBP: 0000000000000000 R08: 00007fff13555ff0 R09: 00007fff135d80b8 [ 165.043249][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000001e1d870 [ 165.051233][ C0] R13: 0000000000002079 R14: 00007fff13556074 R15: 0000000001e04250