[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 54.879400][ T26] audit: type=1800 audit(1578475901.264:25): pid=8553 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 54.911217][ T26] audit: type=1800 audit(1578475901.274:26): pid=8553 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.969955][ T26] audit: type=1800 audit(1578475901.274:27): pid=8553 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 '10.128.0.170' (ECDSA) to the list of known hosts. 2020/01/08 09:31:52 fuzzer started 2020/01/08 09:31:53 dialing manager at 10.128.0.26:35703 2020/01/08 09:31:53 syscalls: 2824 2020/01/08 09:31:53 code coverage: enabled 2020/01/08 09:31:53 comparison tracing: enabled 2020/01/08 09:31:53 extra coverage: enabled 2020/01/08 09:31:53 setuid sandbox: enabled 2020/01/08 09:31:53 namespace sandbox: enabled 2020/01/08 09:31:53 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 09:31:53 fault injection: enabled 2020/01/08 09:31:53 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 09:31:53 net packet injection: enabled 2020/01/08 09:31:53 net device setup: enabled 2020/01/08 09:31:53 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 09:31:53 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:31:54 executing program 0: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x1, 0x31, 0xffffffffffffffff, 0x0) getsockopt$inet_tcp_int(r0, 0x6, 0x1b, 0x0, &(0x7f0000000000)=0x1a9) 09:31:54 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) creat(&(0x7f0000000040)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RLERRORu(r3, &(0x7f0000000300)=ANY=[@ANYBLOB="1d00000007ffff0f005fcc5e886ef5"], 0xf) mount$9p_fd(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000100)='9p\x00', 0x0, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r2}, 0x2c, {'wfdno', 0x3d, r3}, 0x2c, {[{@noextend='noextend'}]}}) syzkaller login: [ 68.632138][ T8718] IPVS: ftp: loaded support on port[0] = 21 [ 68.714526][ T8720] IPVS: ftp: loaded support on port[0] = 21 09:31:55 executing program 2: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r2, &(0x7f0000000040)={0xa, 0x0, 0x0, @dev, 0x4}, 0x1c) setsockopt$inet6_IPV6_PKTINFO(r2, 0x29, 0x16, 0x0, 0x0) [ 68.867820][ T8718] chnl_net:caif_netlink_parms(): no params data found [ 69.010008][ T8718] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.033160][ T8718] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.041199][ T8718] device bridge_slave_0 entered promiscuous mode [ 69.058955][ T8720] chnl_net:caif_netlink_parms(): no params data found [ 69.069860][ T8718] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.079635][ T8718] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.087026][ T8724] IPVS: ftp: loaded support on port[0] = 21 [ 69.096949][ T8718] device bridge_slave_1 entered promiscuous mode [ 69.151817][ T8718] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.186912][ T8718] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 09:31:55 executing program 3: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000c07e98)=@newsa={0x154, 0x10, 0x713, 0x0, 0x0, {{@in=@broadcast, @in6=@dev}, {@in6, 0x0, 0x33}, @in=@broadcast, {}, {}, {}, 0x0, 0x0, 0x2, 0x0, 0x8}, [@replay_esn_val={0x1c}, @algo_auth={0x48, 0x1, {{'md5\x00'}}}]}, 0x154}}, 0x0) [ 69.198694][ T8720] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.210895][ T8720] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.225143][ T8720] device bridge_slave_0 entered promiscuous mode [ 69.258205][ T8720] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.271223][ T8720] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.281233][ T8720] device bridge_slave_1 entered promiscuous mode [ 69.293312][ T8718] team0: Port device team_slave_0 added [ 69.301158][ T8718] team0: Port device team_slave_1 added [ 69.355069][ T8720] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.425560][ T8718] device hsr_slave_0 entered promiscuous mode [ 69.453323][ T8718] device hsr_slave_1 entered promiscuous mode 09:31:55 executing program 4: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000240)={0xa, 0x5000000004e20}, 0x1c) r1 = socket$inet_dccp(0x2, 0x6, 0x0) listen(r0, 0x9) setsockopt(r1, 0x2000000000010d, 0x4000800000000a, &(0x7f0000000000)='\a\x00\x00\x00', 0x4) connect$inet(r1, &(0x7f0000e5c000)={0x2, 0x10004e20, @loopback}, 0x10) sendto(r1, &(0x7f0000000140)="66d3e372ba8e5aee3d5c873c337ff58c4fd552efac0a2f7156", 0x19, 0x0, 0x0, 0x0) [ 69.517459][ T8720] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.590561][ T8720] team0: Port device team_slave_0 added [ 69.605606][ T8720] team0: Port device team_slave_1 added [ 69.640516][ T8726] IPVS: ftp: loaded support on port[0] = 21 [ 69.775057][ T8720] device hsr_slave_0 entered promiscuous mode 09:31:56 executing program 5: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f00000003c0)=@newneigh={0x30, 0x1c, 0x3c318f985eb9d4ed, 0x0, 0x0, {0xa, 0x0, 0x0, 0x0, 0x0, 0x8}, [@NDA_DST_IPV6={0x14, 0x1, @empty}]}, 0x30}}, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r1, &(0x7f0000000140), 0x570, 0x0) [ 69.833803][ T8720] device hsr_slave_1 entered promiscuous mode [ 69.883795][ T8720] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.891869][ T8720] Cannot create hsr debugfs directory [ 69.948520][ T8724] chnl_net:caif_netlink_parms(): no params data found [ 69.955967][ T8729] IPVS: ftp: loaded support on port[0] = 21 [ 70.037878][ T8731] IPVS: ftp: loaded support on port[0] = 21 [ 70.095004][ T8724] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.104987][ T8724] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.113400][ T8724] device bridge_slave_0 entered promiscuous mode [ 70.131243][ T8724] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.139340][ T8724] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.147770][ T8724] device bridge_slave_1 entered promiscuous mode [ 70.210367][ T8718] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.246289][ T8718] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.297115][ T8718] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.348562][ T8718] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.401022][ T8724] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.429784][ T8724] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.481173][ T8724] team0: Port device team_slave_0 added [ 70.490061][ T8724] team0: Port device team_slave_1 added [ 70.543613][ T8720] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 70.596343][ T8720] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 70.635584][ T8720] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 70.735528][ T8724] device hsr_slave_0 entered promiscuous mode [ 70.762959][ T8724] device hsr_slave_1 entered promiscuous mode [ 70.812865][ T8724] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.820742][ T8724] Cannot create hsr debugfs directory [ 70.842258][ T8720] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 70.884419][ T8726] chnl_net:caif_netlink_parms(): no params data found [ 70.973513][ T8726] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.981095][ T8726] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.989272][ T8726] device bridge_slave_0 entered promiscuous mode [ 71.023648][ T8726] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.030890][ T8726] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.039193][ T8726] device bridge_slave_1 entered promiscuous mode [ 71.056495][ T8731] chnl_net:caif_netlink_parms(): no params data found [ 71.107835][ T8729] chnl_net:caif_netlink_parms(): no params data found [ 71.120417][ T8726] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.136642][ T8726] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.200912][ T8731] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.208630][ T8731] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.220003][ T8731] device bridge_slave_0 entered promiscuous mode [ 71.245334][ T8726] team0: Port device team_slave_0 added [ 71.252908][ T8731] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.261209][ T8731] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.270185][ T8731] device bridge_slave_1 entered promiscuous mode [ 71.303908][ T8726] team0: Port device team_slave_1 added [ 71.331744][ T8731] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.344417][ T8731] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.367440][ T8724] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 71.429925][ T8724] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 71.515670][ T8726] device hsr_slave_0 entered promiscuous mode [ 71.573817][ T8726] device hsr_slave_1 entered promiscuous mode [ 71.622682][ T8726] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.630328][ T8726] Cannot create hsr debugfs directory [ 71.641594][ T8729] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.648953][ T8729] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.659751][ T8729] device bridge_slave_0 entered promiscuous mode [ 71.668913][ T8724] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 71.751631][ T8729] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.759027][ T8729] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.767135][ T8729] device bridge_slave_1 entered promiscuous mode [ 71.784274][ T8724] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 71.831644][ T8731] team0: Port device team_slave_0 added [ 71.841600][ T8731] team0: Port device team_slave_1 added [ 71.852101][ T8729] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.890902][ T8729] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.922377][ T8718] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.957025][ T8720] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.974763][ T8718] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.984999][ T8729] team0: Port device team_slave_0 added [ 72.015846][ T8731] device hsr_slave_0 entered promiscuous mode [ 72.053084][ T8731] device hsr_slave_1 entered promiscuous mode [ 72.092672][ T8731] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.100645][ T8731] Cannot create hsr debugfs directory [ 72.111703][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.120649][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.141042][ T8720] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.151475][ T8729] team0: Port device team_slave_1 added [ 72.170407][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.178897][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.187620][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.196789][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.205734][ T3141] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.213019][ T3141] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.226589][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.281929][ T8726] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 72.374805][ T8729] device hsr_slave_0 entered promiscuous mode [ 72.403232][ T8729] device hsr_slave_1 entered promiscuous mode [ 72.443069][ T8729] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.450687][ T8729] Cannot create hsr debugfs directory [ 72.457162][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.466664][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.475289][ T3141] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.482645][ T3141] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.490447][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.500086][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.509282][ T3141] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.516468][ T3141] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.524914][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.534209][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.544844][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.553553][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.561901][ T3141] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.569321][ T3141] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.578134][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.588183][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.597053][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.629817][ T8726] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 72.697190][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.705828][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.714075][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.723188][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.731841][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.741056][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.750508][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.760005][ T3141] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.771565][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.781819][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.795583][ T8726] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 72.835255][ T8726] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 72.905087][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.914616][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.931014][ T8720] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 72.942302][ T8720] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.967753][ T8718] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.981188][ T8718] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.990532][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.999965][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.008992][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.018967][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.028093][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.037335][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.046625][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.126740][ T8724] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.135998][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.145131][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.153994][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.162836][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.180523][ T8718] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.201184][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.209896][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.219330][ T8731] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 73.275635][ T8731] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 73.339843][ T8720] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.350792][ T8724] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.370205][ T8731] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 73.430097][ T8731] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 73.469122][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.478105][ T3027] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.487387][ T3027] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.496039][ T3027] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.506657][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.545465][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.554642][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.564354][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.574312][ T2706] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.583937][ T2706] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.591435][ T2706] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.620170][ T8729] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 73.668066][ T8729] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 73.733698][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.745282][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.755213][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.767766][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.776531][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.802028][ T8718] device veth0_vlan entered promiscuous mode [ 73.809229][ T8729] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 73.865984][ T8729] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 73.925419][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.935425][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.945186][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.981852][ T8718] device veth1_vlan entered promiscuous mode [ 73.990922][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.002145][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 74.011958][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.020914][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.030409][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.041454][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.052393][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.061507][ T3101] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.072871][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.083730][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.128577][ T8720] device veth0_vlan entered promiscuous mode [ 74.155900][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.165780][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.175315][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.189690][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.199592][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.216350][ T8724] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.242388][ T8720] device veth1_vlan entered promiscuous mode [ 74.287531][ T8726] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.350952][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.369873][ T3135] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.386855][ T8731] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.409554][ T8726] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.466948][ T8726] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 74.479747][ T8726] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.518847][ T8726] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.572839][ T8726] device veth0_vlan entered promiscuous mode [ 74.592416][ T8726] device veth1_vlan entered promiscuous mode [ 179.442444][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 179.449369][ C0] rcu: 0-...!: (1 GPs behind) idle=e16/1/0x4000000000000002 softirq=13834/13837 fqs=34 [ 179.459349][ C0] (t=10500 jiffies g=7405 q=581) [ 179.464387][ C0] rcu: rcu_preempt kthread starved for 10428 jiffies! g7405 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 179.475470][ C0] rcu: RCU grace-period kthread stack dump: [ 179.481348][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 179.489941][ C0] Call Trace: [ 179.493236][ C0] __schedule+0x9a0/0xcc0 [ 179.497567][ C0] schedule+0x181/0x210 [ 179.501726][ C0] schedule_timeout+0x14f/0x240 [ 179.506567][ C0] ? run_local_timers+0x120/0x120 [ 179.511588][ C0] rcu_gp_kthread+0xed8/0x1770 [ 179.516356][ C0] kthread+0x332/0x350 [ 179.520421][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 179.525521][ C0] ? kthread_blkcg+0xe0/0xe0 [ 179.530107][ C0] ret_from_fork+0x24/0x30 [ 179.534544][ C0] NMI backtrace for cpu 0 [ 179.538871][ C0] CPU: 0 PID: 8737 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 179.547437][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.557483][ C0] Call Trace: [ 179.560757][ C0] [ 179.563609][ C0] dump_stack+0x1fb/0x318 [ 179.567951][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 179.573572][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 179.579724][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 179.585783][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 179.591847][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 179.597736][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 179.602943][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 179.608235][ C0] ? trace_hardirqs_off+0x74/0x80 [ 179.613251][ C0] update_process_times+0x12d/0x180 [ 179.618440][ C0] tick_sched_timer+0x263/0x420 [ 179.623281][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 179.628817][ C0] __hrtimer_run_queues+0x403/0x840 [ 179.634025][ C0] hrtimer_interrupt+0x38c/0xda0 [ 179.639057][ C0] ? debug_smp_processor_id+0x9/0x20 [ 179.644334][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 179.649958][ C0] apic_timer_interrupt+0xf/0x20 [ 179.654880][ C0] [ 179.657833][ C0] RIP: 0010:free_thread_stack+0x13d/0x590 [ 179.663540][ C0] Code: 00 00 e8 86 91 61 00 e9 5d 04 00 00 e8 3c 2c 2e 00 48 89 df 31 f6 e8 02 8d 6f 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 73 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 [ 179.683149][ C0] RSP: 0018:ffffc90001f37e40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 179.691555][ C0] RAX: 0000000000000001 RBX: ffffea00025731c0 RCX: 0000000000000000 [ 179.699514][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00025731c0 [ 179.707479][ C0] RBP: ffffc90001f37e78 R08: 000000000003a728 R09: ffffed1012edcf49 [ 179.715437][ C0] R10: ffffed1012edcf49 R11: 0000000000000000 R12: ffff88808ad05f20 [ 179.723619][ C0] R13: dffffc0000000000 R14: 1ffff110115a0be4 R15: ffff8880976e7a38 [ 179.731627][ C0] put_task_stack+0xa3/0x130 [ 179.736223][ C0] finish_task_switch+0x3f1/0x550 [ 179.741250][ C0] schedule_tail+0x20/0x1a0 [ 179.745747][ C0] ret_from_fork+0x8/0x30 [ 179.750069][ C0] RIP: 0033:0x45d919 [ 179.753972][ C0] Code: ff 48 85 f6 0f 84 d7 8c fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c ae 8c fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 179.774103][ C0] RSP: 002b:00007fb4ee912db0 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 179.782518][ C0] RAX: 0000000000000000 RBX: 00007fb4ee913700 RCX: 000000000045d919 [ 179.790488][ C0] RDX: 00007fb4ee9139d0 RSI: 00007fb4ee912db0 RDI: 00000000003d0f00 [ 179.798684][ C0] RBP: 00007ffd74dd8100 R08: 00007fb4ee913700 R09: 00007fb4ee913700 [ 179.806868][ C0] R10: 00007fb4ee9139d0 R11: 0000000000000202 R12: 0000000000000000 [ 179.814950][ C0] R13: 00007ffd74dd7f9f R14: 00007fb4ee9139c0 R15: 000000000075bf2c