[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 48.278602][ T25] audit: type=1800 audit(1575415900.804:25): pid=8186 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 48.313112][ T25] audit: type=1800 audit(1575415900.804:26): pid=8186 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 48.367610][ T25] audit: type=1800 audit(1575415900.804:27): pid=8186 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 '10.128.10.21' (ECDSA) to the list of known hosts. 2019/12/03 23:31:51 fuzzer started syzkaller login: [ 59.538906][ T8342] cc1 (8342) used greatest stack depth: 23896 bytes left 2019/12/03 23:31:52 dialing manager at 10.128.0.26:42111 2019/12/03 23:31:52 syscalls: 2689 2019/12/03 23:31:52 code coverage: enabled 2019/12/03 23:31:52 comparison tracing: enabled 2019/12/03 23:31:52 extra coverage: extra coverage is not supported by the kernel 2019/12/03 23:31:52 setuid sandbox: enabled 2019/12/03 23:31:52 namespace sandbox: enabled 2019/12/03 23:31:52 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 23:31:52 fault injection: enabled 2019/12/03 23:31:52 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 23:31:52 net packet injection: enabled 2019/12/03 23:31:52 net device setup: enabled 2019/12/03 23:31:52 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 23:31:52 devlink PCI setup: PCI device 0000:00:10.0 is not available 23:31:53 executing program 0: syz_open_dev$cec(&(0x7f0000000040)='/dev/cec#\x00', 0x0, 0x2) r0 = syz_open_dev$cec(0x0, 0x0, 0x2) ioctl$IOC_PR_PREEMPT(r0, 0x80026101, &(0x7f0000000080)) 23:31:54 executing program 1: r0 = socket$rds(0x15, 0x5, 0x0) bind$rds(r0, &(0x7f0000000180)={0x2, 0x0, @loopback}, 0x10) getsockname(r0, 0x0, &(0x7f0000000240)) [ 61.704603][ T8351] IPVS: ftp: loaded support on port[0] = 21 [ 61.704608][ T8349] IPVS: ftp: loaded support on port[0] = 21 23:31:54 executing program 2: r0 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000265000)=@req={0x3fc}, 0x35e) r1 = socket(0x1e, 0x2, 0x0) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000080)=@req={0x3fc}, 0xff37) r2 = socket(0x1e, 0x4, 0x0) setsockopt$packet_tx_ring(r2, 0x10f, 0x87, &(0x7f0000265000)=@req={0x3fc, 0x0, 0x2}, 0x35e) socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmmsg(r2, &(0x7f0000000a40), 0x8000000000000b0, 0x101d0) [ 61.837535][ T8351] chnl_net:caif_netlink_parms(): no params data found [ 61.944082][ T8351] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.952286][ T8351] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.984790][ T8351] device bridge_slave_0 entered promiscuous mode [ 62.020048][ T8351] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.032827][ T8351] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.040816][ T8351] device bridge_slave_1 entered promiscuous mode [ 62.067576][ T8349] chnl_net:caif_netlink_parms(): no params data found 23:31:54 executing program 3: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) ioctl$sock_ifreq(r0, 0x89f0, &(0x7f0000000000)={'eql\x00\x00\x00\x01\x005\x00', @ifru_flags}) [ 62.097044][ T8356] IPVS: ftp: loaded support on port[0] = 21 [ 62.110555][ T8351] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.168542][ T8351] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.224853][ T8349] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.232006][ T8349] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.255707][ T8349] device bridge_slave_0 entered promiscuous mode [ 62.276669][ T8349] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.294454][ T8349] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.314035][ T8349] device bridge_slave_1 entered promiscuous mode [ 62.323901][ T8351] team0: Port device team_slave_0 added [ 62.340114][ T8358] IPVS: ftp: loaded support on port[0] = 21 [ 62.371723][ T8351] team0: Port device team_slave_1 added [ 62.406355][ T8349] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 23:31:54 executing program 4: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x6, 0xe, &(0x7f00000002c0)=ANY=[@ANYBLOB="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"], &(0x7f0000000280)='\xd8e_\x9c\xb1\xb1\xd0\xca\xfe\xe8\xc6\xb7y\xc7\x1f\x1c \x828\xf8\xa2Q\x18\xa1\xed\x88MoS\xf6g\xdd\xa1IK\x80\x13(b\x85zO\xf3u\xa9\x9a\xfd `V\xcaRIU\xff\x8a\x80', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000040), 0x0, 0x10, &(0x7f0000000000), 0xfd15}, 0x48) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x18000000000002a0, 0x1f, 0x0, &(0x7f0000000500)="b9ff0300000d698cb89e14f008000015ffff00000500638877fbac141414e9", 0x0, 0x100}, 0x28) [ 62.438643][ T8349] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.490712][ T8349] team0: Port device team_slave_0 added [ 62.537219][ T8351] device hsr_slave_0 entered promiscuous mode [ 62.593540][ T8351] device hsr_slave_1 entered promiscuous mode 23:31:55 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_REGISTER_COALESCED_MMIO(0xffffffffffffffff, 0x4010ae67, &(0x7f0000000040)={0x200c}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$TUNSETQUEUE(0xffffffffffffffff, 0x400454d9, &(0x7f0000000100)={'nlmon\t\x00\x7f\xed\xb1[\xe5\xa3\xcd\xb6\x00'}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f0000000380)={0x0, 0x0, @pic={0x0, 0x20, 0x0, 0xfb, 0x2}}) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000480)={[0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x4cb], 0x100000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 62.657100][ T8349] team0: Port device team_slave_1 added [ 62.671538][ T8356] chnl_net:caif_netlink_parms(): no params data found [ 62.716347][ T8361] IPVS: ftp: loaded support on port[0] = 21 [ 62.795519][ T8349] device hsr_slave_0 entered promiscuous mode [ 62.833389][ T8349] device hsr_slave_1 entered promiscuous mode [ 62.894336][ T8349] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.930260][ T8351] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.008394][ T8351] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.054485][ T8351] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 63.095088][ T8351] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 63.150371][ T8356] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.159485][ T8356] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.168177][ T8356] device bridge_slave_0 entered promiscuous mode [ 63.186690][ T8363] IPVS: ftp: loaded support on port[0] = 21 [ 63.206266][ T8356] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.214529][ T8356] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.222146][ T8356] device bridge_slave_1 entered promiscuous mode [ 63.250048][ T8356] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.261475][ T8356] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.308640][ T8349] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.368458][ T8356] team0: Port device team_slave_0 added [ 63.375916][ T8349] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.436074][ T8349] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.506774][ T8349] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.578214][ T8358] chnl_net:caif_netlink_parms(): no params data found [ 63.589250][ T8356] team0: Port device team_slave_1 added [ 63.656141][ T8356] device hsr_slave_0 entered promiscuous mode [ 63.703212][ T8356] device hsr_slave_1 entered promiscuous mode [ 63.732843][ T8356] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.776732][ T8358] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.783920][ T8358] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.791517][ T8358] device bridge_slave_0 entered promiscuous mode [ 63.802018][ T8358] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.809186][ T8358] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.816829][ T8358] device bridge_slave_1 entered promiscuous mode [ 63.898697][ T8363] chnl_net:caif_netlink_parms(): no params data found [ 63.915490][ T8356] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 63.966471][ T8358] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.980729][ T8358] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.009154][ T8356] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.066140][ T8356] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.141032][ T8356] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.195965][ T8351] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.204258][ T8361] chnl_net:caif_netlink_parms(): no params data found [ 64.225313][ T8358] team0: Port device team_slave_0 added [ 64.235976][ T8358] team0: Port device team_slave_1 added [ 64.262047][ T8363] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.269960][ T8363] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.278675][ T8363] device bridge_slave_0 entered promiscuous mode [ 64.355787][ T8358] device hsr_slave_0 entered promiscuous mode [ 64.393057][ T8358] device hsr_slave_1 entered promiscuous mode [ 64.452802][ T8358] debugfs: Directory 'hsr0' with parent '/' already present! [ 64.467942][ T8363] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.475227][ T8363] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.484098][ T8363] device bridge_slave_1 entered promiscuous mode [ 64.519966][ T8363] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.548601][ T8351] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.557620][ T8363] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.574959][ T8361] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.582082][ T8361] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.590136][ T8361] device bridge_slave_0 entered promiscuous mode [ 64.600871][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.609370][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.647253][ T8361] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.659740][ T8361] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.668332][ T8361] device bridge_slave_1 entered promiscuous mode [ 64.676640][ T8365] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.685859][ T8365] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.694405][ T8365] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.701983][ T8365] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.710109][ T8365] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.719224][ T8365] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.728247][ T8365] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.735354][ T8365] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.742960][ T8365] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.751485][ T8365] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.766136][ T8349] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.778777][ T8363] team0: Port device team_slave_0 added [ 64.786826][ T8363] team0: Port device team_slave_1 added [ 64.792659][ T8358] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.858896][ T8358] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 64.926903][ T8358] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 64.969947][ T8358] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 65.029151][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.038323][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.047174][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.057427][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.068190][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.076936][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.098230][ T8361] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.118538][ T8361] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.141340][ T8349] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.158064][ T8356] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.165716][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.174396][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.182051][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.190722][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.199831][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.208458][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.255352][ T8363] device hsr_slave_0 entered promiscuous mode [ 65.293071][ T8363] device hsr_slave_1 entered promiscuous mode [ 65.333249][ T8363] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.355370][ T8351] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.371953][ T8356] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.390494][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.398464][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.430810][ T8351] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.442575][ T8361] team0: Port device team_slave_0 added [ 65.453631][ T8361] team0: Port device team_slave_1 added [ 65.460346][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.469612][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.480865][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.488180][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.496146][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.504879][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.513337][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.520372][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.528047][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.536641][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.545459][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.553101][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.560655][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 65.568279][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 65.575981][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.584766][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.593297][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.600357][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.608351][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.617533][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.625648][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.704841][ T8361] device hsr_slave_0 entered promiscuous mode [ 65.743284][ T8361] device hsr_slave_1 entered promiscuous mode [ 65.793025][ T8361] debugfs: Directory 'hsr0' with parent '/' already present! [ 65.805535][ T8358] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.816322][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.825563][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.834568][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.891821][ T8358] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.907712][ T8363] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 65.968656][ T8363] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 66.035261][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.046612][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.055301][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.064648][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.073297][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.082288][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.094062][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.102787][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.110548][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.118771][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.127817][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.136305][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.149799][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.158480][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.167626][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.180101][ T8355] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.203535][ T8356] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.214468][ T8363] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 171.252675][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 171.259502][ C1] rcu: 1-...!: (10499 ticks this GP) idle=3ea/1/0x4000000000000002 softirq=13396/13398 fqs=36 [ 171.270066][ C1] (t=10500 jiffies g=6869 q=151) [ 171.275078][ C1] rcu: rcu_preempt kthread starved for 10422 jiffies! g6869 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 171.286171][ C1] rcu: RCU grace-period kthread stack dump: [ 171.292043][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 171.299928][ C1] Call Trace: [ 171.303213][ C1] __schedule+0x9a0/0xcc0 [ 171.307538][ C1] schedule+0x181/0x210 [ 171.311677][ C1] schedule_timeout+0x14f/0x240 [ 171.317297][ C1] ? run_local_timers+0x120/0x120 [ 171.322310][ C1] rcu_gp_kthread+0xed8/0x1770 [ 171.327068][ C1] kthread+0x332/0x350 [ 171.331117][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 171.336226][ C1] ? kthread_blkcg+0xe0/0xe0 [ 171.340804][ C1] ret_from_fork+0x24/0x30 [ 171.345247][ C1] NMI backtrace for cpu 1 [ 171.349566][ C1] CPU: 1 PID: 8373 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 171.357779][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.367819][ C1] Call Trace: [ 171.371094][ C1] [ 171.373934][ C1] dump_stack+0x1fb/0x318 [ 171.378338][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 171.383171][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 171.389310][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 171.395361][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 171.401326][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 171.407200][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 171.412309][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 171.417510][ C1] ? trace_hardirqs_off+0x74/0x80 [ 171.422612][ C1] update_process_times+0x12d/0x180 [ 171.427887][ C1] tick_sched_timer+0x263/0x420 [ 171.432721][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 171.438255][ C1] __hrtimer_run_queues+0x403/0x840 [ 171.443451][ C1] hrtimer_interrupt+0x38c/0xda0 [ 171.448389][ C1] ? debug_smp_processor_id+0x9/0x20 [ 171.453662][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 171.459194][ C1] apic_timer_interrupt+0xf/0x20 [ 171.464108][ C1] [ 171.467047][ C1] RIP: 0010:mod_memcg_page_state+0xe/0x190 [ 171.472839][ C1] 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 [ 171.492428][ C1] RSP: 0018:ffffc900021a7d10 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 171.500824][ C1] RAX: 1ffff110129d1981 RBX: ffff888094e8cc08 RCX: 0000000000000000 [ 171.508846][ C1] RDX: ffffc90005129000 RSI: 00000000fffffffc RDI: ffffea00029e5440 [ 171.516801][ C1] RBP: ffffc900021a7d30 R08: 000000000003a768 R09: ffffed10131812c7 [ 171.524753][ C1] R10: ffffed10131812c7 R11: 0000000000000000 R12: ffff888094e8cca0 [ 171.532713][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888098c09628 [ 171.540687][ C1] free_thread_stack+0x168/0x590 [ 171.545610][ C1] put_task_stack+0xa3/0x130 [ 171.550185][ C1] finish_task_switch+0x3f1/0x550 [ 171.555199][ C1] __schedule+0x9a8/0xcc0 [ 171.559522][ C1] schedule+0x181/0x210 [ 171.563665][ C1] prepare_exit_to_usermode+0x2d4/0x5b0 [ 171.569200][ C1] ret_from_intr+0x26/0x36 [ 171.573600][ C1] RIP: 0033:0x4045f7 [ 171.577480][ C1] Code: 25 28 00 00 00 48 89 44 24 28 31 c0 84 d2 75 3e 8b 3f 40 0f b6 de be 64 63 00 00 89 da e8 f1 5e 05 00 85 c0 0f 85 a2 00 00 00 <64> 48 89 2c 25 00 ff ff ff 48 8b 44 24 28 64 48 33 04 25 28 00 00 [ 171.597065][ C1] RSP: 002b:00007f5d2d9b3cb0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 171.605456][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000045a4e7 [ 171.613410][ C1] RDX: 0000000000000000 RSI: 0000000000006364 RDI: 00000000000000e8 [ 171.621379][ C1] RBP: 000000000075bfa8 R08: 00007f5d2d9b4700 R09: 00007f5d2d9b4700 [ 171.629421][ C1] R10: 00007f5d2d9b49d0 R11: 0000000000000246 R12: 0000000000000000 [ 171.637393][ C1] R13: 00007ffd941db58f R14: 00007f5d2d9b49c0 R15: 000000000075bf2c