[ 46.137764][ T25] audit: type=1800 audit(1575445499.337:25): pid=8080 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.179475][ T25] audit: type=1800 audit(1575445499.337:26): pid=8080 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.201150][ T25] audit: type=1800 audit(1575445499.337:27): pid=8080 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. [ 46.722843][ T8147] sshd (8147) used greatest stack depth: 24024 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.42' (ECDSA) to the list of known hosts. 2019/12/04 07:45:06 fuzzer started 2019/12/04 07:45:08 dialing manager at 10.128.0.26:42111 2019/12/04 07:45:08 syscalls: 2689 2019/12/04 07:45:08 code coverage: enabled 2019/12/04 07:45:08 comparison tracing: enabled 2019/12/04 07:45:08 extra coverage: extra coverage is not supported by the kernel 2019/12/04 07:45:08 setuid sandbox: enabled 2019/12/04 07:45:08 namespace sandbox: enabled 2019/12/04 07:45:08 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 07:45:08 fault injection: enabled 2019/12/04 07:45:08 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 07:45:08 net packet injection: enabled 2019/12/04 07:45:08 net device setup: enabled 2019/12/04 07:45:08 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 07:45:08 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:45:09 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_EVENTS(r0, 0x84, 0xb, &(0x7f0000000040)={0x0, 0x3}, 0xb) shutdown(r0, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000000)={0x0, 0x10, &(0x7f00000002c0)=[@in={0x2, 0x0, @local}]}, &(0x7f0000000180)=0x10) r1 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x83, &(0x7f0000000280)={r2}, &(0x7f00000002c0)=0x18) 07:45:09 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 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$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f00000000c0)=0x2000000000000074, 0x25d) bind$inet(r0, &(0x7f0000000040)={0x2, 0x4e23, @multicast2}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000100)='dctcp\x00', 0x6) sendto$inet(r0, 0x0, 0x0, 0x210007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) sendmmsg(r0, 0x0, 0x0, 0x0) sendto$inet(r0, &(0x7f00000012c0)="03268a927f1f6587b967483041ba7860f46ef65ac618ded8974895abeaf4b4834ff922", 0x23, 0x2, 0x0, 0x0) syzkaller login: [ 56.797931][ T8247] IPVS: ftp: loaded support on port[0] = 21 07:45:10 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000000000)="390000001300090468fe0700000000000000ff3f030000004500010700000014190016000a00010014a4e91ee438d2fd000000000000006e00", 0x39}], 0x1) [ 56.945440][ T8249] IPVS: ftp: loaded support on port[0] = 21 [ 56.975956][ T8247] chnl_net:caif_netlink_parms(): no params data found [ 57.054701][ T8247] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.070992][ T8247] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.090830][ T8247] device bridge_slave_0 entered promiscuous mode [ 57.128820][ T8247] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.149485][ T8247] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.157537][ T8247] device bridge_slave_1 entered promiscuous mode 07:45:10 executing program 3: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @remote, 0x4}, 0x1c) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000440)='pagemap\x00') socket$caif_seqpacket(0x25, 0x5, 0x0) sendfile(r0, r1, 0x0, 0x100000000edc4) [ 57.216327][ T8254] IPVS: ftp: loaded support on port[0] = 21 [ 57.234941][ T8247] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.272779][ T8247] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.296693][ T8249] chnl_net:caif_netlink_parms(): no params data found [ 57.345791][ T8247] team0: Port device team_slave_0 added [ 57.379006][ T8247] team0: Port device team_slave_1 added 07:45:10 executing program 4: r0 = socket$inet(0x2b, 0x1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x10012, r1, 0x0) setsockopt$IP_VS_SO_SET_ADD(r0, 0x0, 0x482, &(0x7f0000000000), 0x2c) [ 57.521814][ T8247] device hsr_slave_0 entered promiscuous mode [ 57.580376][ T8247] device hsr_slave_1 entered promiscuous mode [ 57.636196][ T8249] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.650948][ T8249] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.659557][ T8249] device bridge_slave_0 entered promiscuous mode [ 57.700196][ T8249] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.707357][ T8249] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.716652][ T8260] IPVS: ftp: loaded support on port[0] = 21 [ 57.717268][ T8249] device bridge_slave_1 entered promiscuous mode [ 57.723796][ T8258] IPVS: ftp: loaded support on port[0] = 21 07:45:11 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000100)=[@text32={0x20, &(0x7f0000000000)="3e261f09658ac635000002000fc7b6a9000000260f205bb8010000000f01d985030000640f083e0f38f10bb949090000", 0x30}], 0xaaaaaaaaaaaab96, 0x0, 0x0, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x3, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000300)={{{@in=@empty, @in6=@remote}}, {{@in6=@local}, 0x0, @in=@remote}}, &(0x7f0000000040)=0xe8) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f00000001c0)={0x0, 0x119000}) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffef) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$KVM_NMI(r2, 0xae9a) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 57.785097][ T8254] chnl_net:caif_netlink_parms(): no params data found [ 57.802217][ T8247] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.854985][ T8247] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.932450][ T8247] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.983906][ T8247] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.051657][ T8249] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.065606][ T8249] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.125556][ T8254] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.132770][ T8254] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.140518][ T8254] device bridge_slave_0 entered promiscuous mode [ 58.155153][ T8262] IPVS: ftp: loaded support on port[0] = 21 [ 58.165776][ T8249] team0: Port device team_slave_0 added [ 58.175063][ T8249] team0: Port device team_slave_1 added [ 58.183029][ T8254] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.190341][ T8254] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.197929][ T8254] device bridge_slave_1 entered promiscuous mode [ 58.281872][ T8249] device hsr_slave_0 entered promiscuous mode [ 58.319434][ T8249] device hsr_slave_1 entered promiscuous mode [ 58.369205][ T8249] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.406344][ T8254] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.443435][ T8254] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.463803][ T8254] team0: Port device team_slave_0 added [ 58.485296][ T8254] team0: Port device team_slave_1 added [ 58.536556][ T8260] chnl_net:caif_netlink_parms(): no params data found [ 58.566055][ T8249] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.621548][ T8258] chnl_net:caif_netlink_parms(): no params data found [ 58.647774][ T8249] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.714540][ T8249] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.765639][ T8249] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.835664][ T8260] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.843596][ T8260] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.851718][ T8260] device bridge_slave_0 entered promiscuous mode [ 58.893271][ T8254] device hsr_slave_0 entered promiscuous mode [ 58.959403][ T8254] device hsr_slave_1 entered promiscuous mode [ 59.009429][ T8254] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.021532][ T8262] chnl_net:caif_netlink_parms(): no params data found [ 59.040468][ T8260] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.047584][ T8260] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.055987][ T8260] device bridge_slave_1 entered promiscuous mode [ 59.077778][ T8260] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.088540][ T8260] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.109691][ T8258] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.116846][ T8258] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.124794][ T8258] device bridge_slave_0 entered promiscuous mode [ 59.144781][ T8247] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.152212][ T8258] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.159518][ T8258] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.169767][ T8258] device bridge_slave_1 entered promiscuous mode [ 59.200363][ T8260] team0: Port device team_slave_0 added [ 59.207867][ T8260] team0: Port device team_slave_1 added [ 59.229814][ T8258] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.262121][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.270339][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.292623][ T8258] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.352110][ T8260] device hsr_slave_0 entered promiscuous mode [ 59.409469][ T8260] device hsr_slave_1 entered promiscuous mode [ 59.469550][ T8260] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.478453][ T8262] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.486062][ T8262] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.493829][ T8262] device bridge_slave_0 entered promiscuous mode [ 59.502155][ T8262] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.509317][ T8262] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.517046][ T8262] device bridge_slave_1 entered promiscuous mode [ 59.523987][ T8254] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.580635][ T8247] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.601804][ T8258] team0: Port device team_slave_0 added [ 59.611694][ T8254] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.652961][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.661843][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.670605][ T3092] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.678384][ T3092] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.704333][ T8258] team0: Port device team_slave_1 added [ 59.712107][ T8254] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.762369][ T8263] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.773257][ T8263] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.782022][ T8263] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.791094][ T8263] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.798159][ T8263] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.811091][ T8262] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.834010][ T8254] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.881559][ T8260] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.932738][ T8262] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.942613][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.002010][ T8258] device hsr_slave_0 entered promiscuous mode [ 60.029472][ T8258] device hsr_slave_1 entered promiscuous mode [ 60.069302][ T8258] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.078908][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.092428][ T8260] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.145173][ T8260] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.203854][ T8249] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.228397][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.239767][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.248307][ T8260] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.311171][ T8249] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.324137][ T8262] team0: Port device team_slave_0 added [ 60.331535][ T8262] team0: Port device team_slave_1 added [ 60.337286][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.345543][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.353601][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.378621][ T8247] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.393134][ T8247] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.422921][ T8258] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.502522][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.511178][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.519628][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.527899][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.536865][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.545334][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.553737][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.562777][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.571552][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.578625][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.586357][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.596077][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.604658][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.611735][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.619392][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.628151][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.636115][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.702464][ T8262] device hsr_slave_0 entered promiscuous mode [ 60.729744][ T8262] device hsr_slave_1 entered promiscuous mode [ 60.769264][ T8262] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.785381][ T8258] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.844805][ T8258] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.904931][ T8258] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.962401][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.002754][ T8249] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.013620][ T8249] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.037904][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.045582][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.053619][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.063131][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.071752][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.080814][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.089157][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.097446][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.106038][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.114591][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.125297][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.133255][ T3092] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.154716][ T8247] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.168798][ T8262] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.201518][ T8262] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.258214][ T8262] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.307860][ T8249] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.354758][ T8254] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.363856][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.372895][ T8251] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.381463][ T8262] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.465339][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.482425][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 166.499077][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.505878][ C1] rcu: 1-...!: (10499 ticks this GP) idle=832/1/0x4000000000000002 softirq=11290/11290 fqs=41 [ 166.516437][ C1] (t=10501 jiffies g=6497 q=72) [ 166.521362][ C1] rcu: rcu_preempt kthread starved for 10420 jiffies! g6497 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 166.532440][ C1] rcu: RCU grace-period kthread stack dump: [ 166.538312][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.546212][ C1] Call Trace: [ 166.549498][ C1] __schedule+0x9a0/0xcc0 [ 166.553823][ C1] schedule+0x181/0x210 [ 166.557965][ C1] schedule_timeout+0x14f/0x240 [ 166.562802][ C1] ? run_local_timers+0x120/0x120 [ 166.567838][ C1] rcu_gp_kthread+0xed8/0x1770 [ 166.572612][ C1] kthread+0x332/0x350 [ 166.576674][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 166.581785][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.586375][ C1] ret_from_fork+0x24/0x30 [ 166.590801][ C1] NMI backtrace for cpu 1 [ 166.595126][ C1] CPU: 1 PID: 43 Comm: kworker/1:1 Not tainted 5.4.0-syzkaller #0 [ 166.603286][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.613337][ C1] Workqueue: events linkwatch_event [ 166.618522][ C1] Call Trace: [ 166.621791][ C1] [ 166.624632][ C1] dump_stack+0x1fb/0x318 [ 166.628952][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.633808][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.639957][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.646011][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.651985][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.657873][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.662980][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 166.668171][ C1] ? trace_hardirqs_off+0x74/0x80 [ 166.673183][ C1] update_process_times+0x12d/0x180 [ 166.678372][ C1] tick_sched_timer+0x263/0x420 [ 166.683211][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 166.688742][ C1] __hrtimer_run_queues+0x403/0x840 [ 166.693941][ C1] hrtimer_interrupt+0x38c/0xda0 [ 166.698879][ C1] ? debug_smp_processor_id+0x9/0x20 [ 166.704150][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 166.709680][ C1] apic_timer_interrupt+0xf/0x20 [ 166.714769][ C1] [ 166.717694][ C1] RIP: 0010:mod_memcg_page_state+0x16/0x190 [ 166.723570][ C1] Code: 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 00 00 00 00 fc ff df 42 [ 166.743157][ C1] RSP: 0018:ffffc90000e176d0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 166.751550][ C1] RAX: ffffffff81487326 RBX: ffffea000256bd80 RCX: ffff8880a9938440 [ 166.759678][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000256bd80 [ 166.767648][ C1] RBP: ffffc90000e176f0 R08: dffffc0000000000 R09: fffffbfff120248a [ 166.775722][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888090a07720 [ 166.783687][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a8e79968 [ 166.791666][ C1] ? mod_memcg_page_state+0x16/0x190 [ 166.796951][ C1] free_thread_stack+0x168/0x590 [ 166.801880][ C1] put_task_stack+0xa3/0x130 [ 166.806457][ C1] finish_task_switch+0x3f1/0x550 [ 166.811476][ C1] __schedule+0x9a8/0xcc0 [ 166.815803][ C1] ? ___preempt_schedule+0x16/0x18 [ 166.820897][ C1] preempt_schedule+0xdb/0x120 [ 166.825649][ C1] ___preempt_schedule+0x16/0x18 [ 166.830574][ C1] ? vprintk_emit+0x2fe/0x3a0 [ 166.835236][ C1] ? vprintk_emit+0x368/0x3a0 [ 166.839899][ C1] vprintk_emit+0x36d/0x3a0 [ 166.844390][ C1] vprintk_default+0x28/0x30 [ 166.848962][ C1] vprintk_func+0x158/0x170 [ 166.853449][ C1] printk+0x62/0x8d [ 166.857247][ C1] ? addrconf_notify+0xd37/0x3c90 [ 166.862260][ C1] ? addrconf_notify+0x779/0x3c90 [ 166.867272][ C1] addrconf_notify+0x2c8d/0x3c90 [ 166.872202][ C1] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 166.877469][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 166.882828][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 166.888360][ C1] ? trace_hardirqs_on+0x74/0x80 [ 166.893281][ C1] ? __local_bh_enable_ip+0x13a/0x240 [ 166.898637][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 166.904173][ C1] ? tls_dev_event+0x619/0xc00 [ 166.908923][ C1] ? clusterip_netdev_event+0x48b/0x4a0 [ 166.914453][ C1] ? ip6mr_device_event+0x1ee/0x210 [ 166.919643][ C1] raw_notifier_call_chain+0xec/0x190 [ 166.925003][ C1] netdev_state_change+0x147/0x1f0 [ 166.930104][ C1] linkwatch_do_dev+0x10e/0x160 [ 166.934943][ C1] __linkwatch_run_queue+0x446/0x730 [ 166.940221][ C1] linkwatch_event+0x4c/0x60 [ 166.944795][ C1] process_one_work+0x7ef/0x10d0 [ 166.949879][ C1] worker_thread+0xc01/0x1630 [ 166.954587][ C1] kthread+0x332/0x350 [ 166.958652][ C1] ? rcu_lock_release+0x30/0x30 [ 166.963492][ C1] ? kthread_blkcg+0xe0/0xe0 [ 166.968074][ C1] ret_from_fork+0x24/0x30