[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.092955][ T23] audit: type=1800 audit(1575370678.720:25): pid=8154 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.114260][ T23] audit: type=1800 audit(1575370678.720:26): pid=8154 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.136134][ T23] audit: type=1800 audit(1575370678.720:27): pid=8154 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 '10.128.0.227' (ECDSA) to the list of known hosts. 2019/12/03 10:58:10 fuzzer started 2019/12/03 10:58:12 dialing manager at 10.128.0.26:38907 2019/12/03 10:58:12 syscalls: 2697 2019/12/03 10:58:12 code coverage: enabled 2019/12/03 10:58:12 comparison tracing: enabled 2019/12/03 10:58:12 extra coverage: extra coverage is not supported by the kernel 2019/12/03 10:58:12 setuid sandbox: enabled 2019/12/03 10:58:12 namespace sandbox: enabled 2019/12/03 10:58:12 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 10:58:12 fault injection: enabled 2019/12/03 10:58:12 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 10:58:12 net packet injection: enabled 2019/12/03 10:58:12 net device setup: enabled 2019/12/03 10:58:12 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 10:58:12 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:58:13 executing program 0: r0 = socket$inet6(0xa, 0x3, 0x3c) connect$inet6(r0, &(0x7f0000000300)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmsg(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000440)=[{&(0x7f0000000080)='+', 0x1}], 0x1}, 0xc100) syz_open_procfs(0x0, &(0x7f0000001300)='netZ3\xe3\xa461_sTat') sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000c40)={0x0, 0x0, &(0x7f0000000c00)={&(0x7f0000001340)=@acquire={0x338, 0x17, 0x0, 0x0, 0x0, {{@in=@multicast1}, @in=@empty, {@in6=@initdev={0xfe, 0x88, [], 0x0, 0x0}, @in=@empty}, {{@in=@broadcast, @in6=@loopback}}}, [@algo_comp={0x210, 0x3, {{'lzjh\x00'}, 0xe40, "43c67037d4bc1758d5ba92f73d3a78844502d9bf1b1c9cd6a47c30624746f580c24687df73018619bd032dc966b36ab7292e7c44cd6298648a27f5a4c84dce3dd746248fff296c3ee59be3d8a6c88c87c9d203e8172b2f1b050e47afe615e551d887d154e2392f0a30c0a7dcbfb9ab356fbd5b0e57cb242b39405b7982fe4971dea4335f1daef1b85c210564be6d95afd0fb01b979c5dddf1b48481dede425cb414e3eb1218646478b88b22018f1210680d876ad1bbfac16a469de7227538558e361758daa30efd5493532e53bc20ac752194944446bc62673658fcfb0199c21d803aef4804eb0f81cd2637160af9b9c805e737c92fa5e1deafbe4b52ddb1ce1a85858d22740dc05746ad1cef40d231249bd4eae07c25f6b551338e532d74f6a50aa481edfe61d2afa54859e8050bba2ebdfe9580c8e8e72218448af4e01a797a7a88a1abb5d6b706aba1bb9ca4d3d0dae30496dfcafdf7a51defa0349ac550d5f6fc7e57237ae01ec708d3b14a6761812c7917c0d6cdced788ff93f477422bbb8f90b07ce8975c24d9a44b52eb44d1664a984f96fb2b9e4e13ec4dab9c622d63d39fdb674590979d174a218894b0b004edc7aa96b97212b22fd4673fbad184875f5697a99ccc187"}}]}, 0x338}}, 0x0) writev(r0, &(0x7f0000000400)=[{&(0x7f0000000480)="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", 0xffe4}], 0x1) 10:58:13 executing program 1: bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000380)={&(0x7f0000000240)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x10, 0x10, 0x3, [@var={0x1}]}, {0x0, [0x5f]}}, &(0x7f0000000280)=""/237, 0x2b, 0xed, 0x1}, 0x20) syzkaller login: [ 59.824381][ T8320] IPVS: ftp: loaded support on port[0] = 21 10:58:13 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x3, 0x4, &(0x7f0000000000)=@framed={{0x18, 0x2}, [@call={0x85, 0x0, 0x0, 0x2e}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 59.987536][ T8320] chnl_net:caif_netlink_parms(): no params data found [ 59.999211][ T8323] IPVS: ftp: loaded support on port[0] = 21 [ 60.097194][ T8320] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.106358][ T8320] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.114856][ T8320] device bridge_slave_0 entered promiscuous mode [ 60.125845][ T8320] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.133466][ T8320] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.141357][ T8320] device bridge_slave_1 entered promiscuous mode [ 60.169123][ T8320] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.184518][ T8320] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.217472][ T8320] team0: Port device team_slave_0 added [ 60.237804][ T8320] team0: Port device team_slave_1 added 10:58:13 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) r1 = socket$unix(0x1, 0x1, 0x0) r2 = socket$inet(0x2, 0x2, 0x0) r3 = fcntl$dupfd(r1, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) bind$alg(r0, &(0x7f0000000100)={0x26, 'aead\x00', 0x0, 0x0, 'gcm(camellia)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="ab553fec94248c32e27d04000000288a", 0x10) r4 = accept$alg(r0, 0x0, 0x0) sendmsg$alg(r4, &(0x7f0000000800)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}, 0x0) recvmsg(r4, &(0x7f0000000c00)={0x0, 0x0, &(0x7f0000000b00)=[{&(0x7f00000013c0)=""/4096, 0x400c}], 0x1}, 0x0) [ 60.307761][ T8325] IPVS: ftp: loaded support on port[0] = 21 [ 60.354785][ T8320] device hsr_slave_0 entered promiscuous mode [ 60.402879][ T8320] device hsr_slave_1 entered promiscuous mode [ 60.476938][ T8323] chnl_net:caif_netlink_parms(): no params data found [ 60.501567][ T8328] IPVS: ftp: loaded support on port[0] = 21 10:58:14 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000240)=@req3={0x10000, 0x100000001, 0x10000, 0x1}, 0x1c) r1 = socket$inet_udplite(0x2, 0x2, 0x88) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) mmap(&(0x7f0000ff0000/0x10000)=nil, 0x10000, 0x0, 0x11011, r0, 0x0) mremap(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x3000, 0x3, &(0x7f0000ff7000/0x3000)=nil) [ 60.601530][ T8320] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.667955][ T8320] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.744625][ T8320] netdevsim netdevsim0 netdevsim2: renamed from eth2 10:58:14 executing program 5: getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x0, 0x0, @local}}, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3ff]}, 0x0) sendto$inet6(0xffffffffffffffff, &(0x7f0000000000)="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", 0x1a1, 0x0, 0x0, 0x0) r0 = socket$inet6_sctp(0xa, 0x5, 0x84) ioctl$sock_ifreq(r0, 0x89f3, &(0x7f00000001c0)={'tunl0\x00', @ifru_data=&(0x7f0000000180)="d61a072afa6a2e6e9105a65cf0b08be4d57565e1a85eff283ee23d954743a2e3"}) [ 60.787518][ T8320] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.856845][ T8323] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.864889][ T8323] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.875382][ T8323] device bridge_slave_0 entered promiscuous mode [ 60.885509][ T8323] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.894755][ T8323] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.902865][ T8323] device bridge_slave_1 entered promiscuous mode [ 60.929836][ T8330] IPVS: ftp: loaded support on port[0] = 21 [ 60.931613][ T8320] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.943031][ T8320] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.950822][ T8320] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.957939][ T8320] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.997101][ T8334] IPVS: ftp: loaded support on port[0] = 21 [ 61.026767][ T8323] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.037986][ T8323] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.071412][ T8325] chnl_net:caif_netlink_parms(): no params data found [ 61.081584][ T8331] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.090173][ T8331] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.113781][ T8323] team0: Port device team_slave_0 added [ 61.149037][ T8323] team0: Port device team_slave_1 added [ 61.175330][ T8328] chnl_net:caif_netlink_parms(): no params data found [ 61.275113][ T8323] device hsr_slave_0 entered promiscuous mode [ 61.312437][ T8323] device hsr_slave_1 entered promiscuous mode [ 61.352205][ T8323] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.365253][ T8325] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.372733][ T8325] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.380405][ T8325] device bridge_slave_0 entered promiscuous mode [ 61.389277][ T8325] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.396834][ T8325] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.404698][ T8325] device bridge_slave_1 entered promiscuous mode [ 61.455981][ T8325] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.467597][ T8325] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.489294][ T8328] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.496933][ T8328] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.505556][ T8328] device bridge_slave_0 entered promiscuous mode [ 61.517420][ T8328] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.524834][ T8328] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.534846][ T8328] device bridge_slave_1 entered promiscuous mode [ 61.580102][ T8328] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.601562][ T8325] team0: Port device team_slave_0 added [ 61.628553][ T8328] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.653053][ T8328] team0: Port device team_slave_0 added [ 61.663608][ T8325] team0: Port device team_slave_1 added [ 61.680737][ T8328] team0: Port device team_slave_1 added [ 61.687405][ T8323] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.733722][ T8323] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.803742][ T8323] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.856087][ T8323] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.931331][ T8320] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.946425][ T8330] chnl_net:caif_netlink_parms(): no params data found [ 61.956976][ T8334] chnl_net:caif_netlink_parms(): no params data found [ 62.036504][ T8328] device hsr_slave_0 entered promiscuous mode [ 62.082345][ T8328] device hsr_slave_1 entered promiscuous mode [ 62.122113][ T8328] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.175749][ T8325] device hsr_slave_0 entered promiscuous mode [ 62.233888][ T8325] device hsr_slave_1 entered promiscuous mode [ 62.272173][ T8325] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.310315][ T8320] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.334140][ T8330] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.341574][ T8330] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.350638][ T8330] device bridge_slave_0 entered promiscuous mode [ 62.360905][ T8330] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.368701][ T8330] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.378202][ T8330] device bridge_slave_1 entered promiscuous mode [ 62.385869][ T2913] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.396297][ T2913] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.426140][ T8334] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.437651][ T8334] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.445481][ T8334] device bridge_slave_0 entered promiscuous mode [ 62.459640][ T8333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.468335][ T8333] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.482404][ T8333] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.489717][ T8333] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.509649][ T8334] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.517018][ T8334] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.526031][ T8334] device bridge_slave_1 entered promiscuous mode [ 62.539712][ T8330] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.554692][ T8330] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.570653][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.579430][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.588060][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.595283][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.603672][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.621432][ T8328] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 62.671222][ T8328] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 62.724238][ T8328] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.798709][ T8330] team0: Port device team_slave_0 added [ 62.820015][ T8334] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.832253][ T8334] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.843398][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.851887][ T8328] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.905554][ T8330] team0: Port device team_slave_1 added [ 62.927258][ T8334] team0: Port device team_slave_0 added [ 62.935135][ T8334] team0: Port device team_slave_1 added [ 62.984644][ T8325] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 63.039081][ T8323] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.056104][ T8333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.065987][ T8333] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.075849][ T8333] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.134912][ T8334] device hsr_slave_0 entered promiscuous mode [ 63.202568][ T8334] device hsr_slave_1 entered promiscuous mode [ 63.242178][ T8334] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.255439][ T8325] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 63.354391][ T8330] device hsr_slave_0 entered promiscuous mode [ 63.402336][ T8330] device hsr_slave_1 entered promiscuous mode [ 63.452577][ T8330] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.476512][ T8325] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 63.538197][ T8325] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 63.601114][ T8333] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.611797][ T8333] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.622015][ T8333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.630530][ T8333] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.645829][ T8323] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.665202][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.675818][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.683980][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.693776][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.702148][ T8331] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.709201][ T8331] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.716815][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.725108][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.742098][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.750462][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.759602][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.768806][ T8331] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.776112][ T8331] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.784201][ T8331] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.812215][ T8320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.844290][ T8330] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 63.895529][ T8330] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 63.943937][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.952677][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.961346][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.971867][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.983275][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.991636][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.011079][ T8323] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.022269][ T8323] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.045997][ T8330] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 64.106340][ T8328] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.116543][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.125131][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.134171][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.143446][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.154993][ T8334] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 64.205028][ T8334] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 64.255746][ T8334] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 64.315905][ T8330] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 64.377569][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.397424][ T8334] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.446366][ T8338] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.459865][ T8338] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.467805][ T8338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.476381][ T8338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.484629][ T8338] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 64.493087][ T8338] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 64.516485][ T8328] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.530160][ T8320] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.546394][ T8333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.557402][ T8333] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.566500][ T8333] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.573598][ T8333] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.593702][ T8323] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.615739][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.624353][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.638159][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.647821][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.655049][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.663502][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.674037][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.683044][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.691715][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.700246][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.709386][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.718152][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.776054][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.793869][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 169.801928][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 169.808723][ C0] rcu: 0-...!: (10499 ticks this GP) idle=fc2/1/0x4000000000000002 softirq=11787/11791 fqs=3 [ 169.819200][ C0] (t=10501 jiffies g=6813 q=119) [ 169.824221][ C0] rcu: rcu_preempt kthread starved for 10496 jiffies! g6813 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 169.835477][ C0] rcu: RCU grace-period kthread stack dump: [ 169.841352][ C0] rcu_preempt I29032 10 2 0x80004000 [ 169.847942][ C0] Call Trace: [ 169.851229][ C0] __schedule+0x9a0/0xcc0 [ 169.855553][ C0] schedule+0x181/0x210 [ 169.860054][ C0] schedule_timeout+0x14f/0x240 [ 169.864912][ C0] ? run_local_timers+0x120/0x120 [ 169.869936][ C0] rcu_gp_kthread+0xed8/0x1770 [ 169.874696][ C0] kthread+0x332/0x350 [ 169.878751][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 169.883849][ C0] ? kthread_blkcg+0xe0/0xe0 [ 169.888456][ C0] ret_from_fork+0x24/0x30 [ 169.892964][ C0] NMI backtrace for cpu 0 [ 169.897388][ C0] CPU: 0 PID: 8290 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 169.904854][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.915447][ C0] Call Trace: [ 169.918731][ C0] [ 169.921581][ C0] dump_stack+0x1fb/0x318 [ 169.926071][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 169.931035][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 169.937202][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.944282][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.950291][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.956184][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.961296][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.966502][ C0] ? trace_hardirqs_off+0x74/0x80 [ 169.971517][ C0] update_process_times+0x12d/0x180 [ 169.976725][ C0] tick_sched_timer+0x263/0x420 [ 169.981564][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.987131][ C0] __hrtimer_run_queues+0x403/0x840 [ 169.992337][ C0] hrtimer_interrupt+0x38c/0xda0 [ 169.997298][ C0] ? debug_smp_processor_id+0x9/0x20 [ 170.002578][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 170.008109][ C0] apic_timer_interrupt+0xf/0x20 [ 170.013031][ C0] [ 170.015976][ C0] RIP: 0010:mod_memcg_page_state+0xe/0x190 [ 170.021833][ C0] Code: 00 eb 05 e8 04 29 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 54 53 41 89 f6 <48> 89 fb e8 da 28 2e 00 48 83 c3 38 48 89 d8 48 c1 e8 03 49 bc 00 [ 170.041735][ C0] RSP: 0018:ffffc900024f7ae0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 170.050408][ C0] RAX: 1ffff11014c6b9c1 RBX: ffff8880a635ce08 RCX: 0000000000000000 [ 170.058393][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00027a4800 [ 170.066585][ C0] RBP: ffffc900024f7b00 R08: 000000000003a768 R09: fffffbfff120248a [ 170.074572][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a635cea0 [ 170.082656][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a7fbb568 [ 170.090699][ C0] free_thread_stack+0x168/0x590 [ 170.095643][ C0] put_task_stack+0xa3/0x130 [ 170.100446][ C0] finish_task_switch+0x3f1/0x550 [ 170.105521][ C0] __schedule+0x9a8/0xcc0 [ 170.110899][ C0] schedule+0x181/0x210 [ 170.115050][ C0] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 170.121283][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 170.127176][ C0] schedule_hrtimeout_range+0x2a/0x40 [ 170.132542][ C0] ep_poll+0xa4d/0xe80 [ 170.136611][ C0] ? do_task_dead+0xc0/0xc0 [ 170.141540][ C0] ? __kasan_check_read+0x11/0x20 [ 170.146561][ C0] do_epoll_wait+0x1ee/0x260 [ 170.151144][ C0] __x64_sys_epoll_wait+0x9a/0xb0 [ 170.156162][ C0] do_syscall_64+0xf7/0x1c0 [ 170.160666][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 170.166549][ C0] RIP: 0033:0x7f76a5653943 [ 170.170956][ C0] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 170.190551][ C0] RSP: 002b:00007ffea4579ba8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 170.198969][ C0] RAX: ffffffffffffffda RBX: 0000000000ece250 RCX: 00007f76a5653943 [ 170.206926][ C0] RDX: 0000000000000004 RSI: 00007ffea4579c70 RDI: 0000000000000007 [ 170.214899][ C0] RBP: 0000000000625500 R08: 00007ffea4579b90 R09: 00007ffea45b70b8 [ 170.222879][ C0] R10: 000000000000ee42 R11: 0000000000000246 R12: 0000000000eddfd0 [ 170.231251][ C0] R13: 00007ffea457acc7 R14: 0000000000000005 R15: 0000000000ece250