[ 42.556968][ T25] audit: type=1800 audit(1575449371.186:27): pid=7968 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.595580][ T25] audit: type=1800 audit(1575449371.186:28): pid=7968 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 43.287759][ T25] audit: type=1800 audit(1575449372.006:29): pid=7968 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 43.307459][ T25] audit: type=1800 audit(1575449372.006:30): pid=7968 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.35' (ECDSA) to the list of known hosts. 2019/12/04 08:49:39 fuzzer started 2019/12/04 08:49:40 dialing manager at 10.128.0.26:36481 2019/12/04 08:49:40 syscalls: 2691 2019/12/04 08:49:40 code coverage: enabled 2019/12/04 08:49:40 comparison tracing: enabled 2019/12/04 08:49:40 extra coverage: extra coverage is not supported by the kernel 2019/12/04 08:49:40 setuid sandbox: enabled 2019/12/04 08:49:40 namespace sandbox: enabled 2019/12/04 08:49:40 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 08:49:40 fault injection: enabled 2019/12/04 08:49:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 08:49:40 net packet injection: enabled 2019/12/04 08:49:40 net device setup: enabled 2019/12/04 08:49:40 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 08:49:40 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:49:41 executing program 0: r0 = gettid() pidfd_open(r0, 0x0) 08:49:41 executing program 1: r0 = socket$tipc(0x1e, 0x5, 0x0) setsockopt$TIPC_GROUP_JOIN(r0, 0x10f, 0x87, &(0x7f0000000040)={0x10000}, 0x10) r1 = socket$nl_generic(0x10, 0x3, 0x10) ppoll(&(0x7f00000000c0)=[{r0}, {r1, 0x4}], 0x2, 0x0, 0x0, 0x0) syzkaller login: [ 52.713285][ T8132] IPVS: ftp: loaded support on port[0] = 21 [ 52.886971][ T8132] chnl_net:caif_netlink_parms(): no params data found 08:49:41 executing program 2: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800a1695e1dcfe87b1071") sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000001c40)=ANY=[@ANYBLOB="240000000201010000409fbc26051e48ac6f26533bacf9d9ee3c6099d5d7991543481007"], 0x24}}, 0x0) r1 = socket$inet(0x10, 0x3, 0xc) sendmsg(r1, &(0x7f0000011fc8)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000240)="24000000020207031dfffd946ff20c0020200a0009000200021d8568031baba20400ff7e", 0x24}], 0x14}, 0x0) [ 52.928517][ T8132] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.941501][ T8132] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.950392][ T8132] device bridge_slave_0 entered promiscuous mode [ 52.960563][ T8132] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.968725][ T8132] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.978097][ T8132] device bridge_slave_1 entered promiscuous mode [ 53.008329][ T8135] IPVS: ftp: loaded support on port[0] = 21 [ 53.019629][ T8132] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.034964][ T8132] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.093775][ T8132] team0: Port device team_slave_0 added [ 53.104004][ T8132] team0: Port device team_slave_1 added 08:49:41 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_mount_image$hfs(&(0x7f0000000340)='hfs\x00', &(0x7f00000003c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000580)={[{@gid={'gid', 0x3d, 0xffffffffffffffff}}]}) [ 53.188058][ T8132] device hsr_slave_0 entered promiscuous mode [ 53.286113][ T8132] device hsr_slave_1 entered promiscuous mode 08:49:42 executing program 4: r0 = socket$inet6(0xa, 0x80001, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000fca000)={0x100000001, {{0xa, 0x0, 0x0, @mcast1}}}, 0x88) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000640)=ANY=[@ANYBLOB="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"], 0x110) setsockopt$inet6_group_source_req(r0, 0x29, 0x2c, &(0x7f0000000040)={0x0, {{0xa, 0x0, 0x0, @mcast1}}, {{0xa, 0x0, 0x0, @mcast2}}}, 0x108) setsockopt$inet6_group_source_req(r0, 0x29, 0x2c, &(0x7f0000000040)={0x0, {{0xa, 0x0, 0x0, @mcast1}}, {{0xa, 0x0, 0x0, @mcast2}}}, 0x108) [ 53.504601][ T8139] IPVS: ftp: loaded support on port[0] = 21 [ 53.504675][ T8137] IPVS: ftp: loaded support on port[0] = 21 [ 53.585622][ T8135] chnl_net:caif_netlink_parms(): no params data found [ 53.599033][ T8142] IPVS: ftp: loaded support on port[0] = 21 [ 53.612824][ T8132] netdevsim netdevsim0 netdevsim0: renamed from eth0 08:49:42 executing program 5: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x7, 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, 0x0, 0x0, 0x8, 0x0, 0x0, 0xfffffffffffffffd}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) listen(0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) accept$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f0000000080)=@newlink={0x44, 0x10, 0x401, 0x0, 0x8100, {0x0, 0x0, 0x0, r2}, [@IFLA_LINKINFO={0x24, 0x12, @bridge_slave={{0x14, 0x1, 'bridge_sl\tve\x00'}, {0xc, 0x5, [@IFLA_BRPORT_COST={0x8, 0x3, 0x3f}]}}}]}, 0x44}}, 0x0) clone(0x1fe, 0x0, 0xfffffffffffffffe, &(0x7f0000000280), 0xffffffffffffffff) [ 53.722395][ T8132] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 53.780426][ T8132] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 53.828737][ T8132] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 53.886684][ T8135] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.893868][ T8135] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.903779][ T8135] device bridge_slave_0 entered promiscuous mode [ 53.904939][ T8144] IPVS: ftp: loaded support on port[0] = 21 [ 53.919901][ T8135] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.927044][ T8135] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.935106][ T8135] device bridge_slave_1 entered promiscuous mode [ 53.956774][ T8135] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.969267][ T8135] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.007604][ T8135] team0: Port device team_slave_0 added [ 54.014674][ T8135] team0: Port device team_slave_1 added [ 54.067488][ T8135] device hsr_slave_0 entered promiscuous mode [ 54.126080][ T8135] device hsr_slave_1 entered promiscuous mode [ 54.176878][ T8135] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.295617][ T8137] chnl_net:caif_netlink_parms(): no params data found [ 54.312328][ T8144] chnl_net:caif_netlink_parms(): no params data found [ 54.387553][ T8135] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 54.433554][ T8144] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.442077][ T8144] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.449958][ T8144] device bridge_slave_0 entered promiscuous mode [ 54.478723][ T8135] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 54.527216][ T8144] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.534302][ T8144] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.542403][ T8144] device bridge_slave_1 entered promiscuous mode [ 54.549759][ T8142] chnl_net:caif_netlink_parms(): no params data found [ 54.558276][ T8137] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.565311][ T8137] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.573943][ T8137] device bridge_slave_0 entered promiscuous mode [ 54.582108][ T8137] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.589219][ T8137] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.597173][ T8137] device bridge_slave_1 entered promiscuous mode [ 54.619291][ T8139] chnl_net:caif_netlink_parms(): no params data found [ 54.628910][ T8135] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 54.691783][ T8135] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 54.754386][ T8137] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.767740][ T8137] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.805479][ T8144] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.834936][ T8142] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.843433][ T8142] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.851647][ T8142] device bridge_slave_0 entered promiscuous mode [ 54.860619][ T8142] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.867898][ T8142] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.875641][ T8142] device bridge_slave_1 entered promiscuous mode [ 54.890103][ T8144] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.930567][ T8137] team0: Port device team_slave_0 added [ 54.938600][ T8137] team0: Port device team_slave_1 added [ 54.944716][ T8139] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.953107][ T8139] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.961420][ T8139] device bridge_slave_0 entered promiscuous mode [ 54.970678][ T8144] team0: Port device team_slave_0 added [ 54.979425][ T8142] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.991330][ T8142] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.002926][ T8139] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.011867][ T8139] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.020092][ T8139] device bridge_slave_1 entered promiscuous mode [ 55.030394][ T8144] team0: Port device team_slave_1 added [ 55.050469][ T8142] team0: Port device team_slave_0 added [ 55.078270][ T8132] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.087164][ T8142] team0: Port device team_slave_1 added [ 55.112454][ T8139] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.177506][ T8137] device hsr_slave_0 entered promiscuous mode [ 55.236048][ T8137] device hsr_slave_1 entered promiscuous mode [ 55.285885][ T8137] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.358664][ T8144] device hsr_slave_0 entered promiscuous mode [ 55.406130][ T8144] device hsr_slave_1 entered promiscuous mode [ 55.475873][ T8144] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.484801][ T8139] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.547928][ T8142] device hsr_slave_0 entered promiscuous mode [ 55.596213][ T8142] device hsr_slave_1 entered promiscuous mode [ 55.635882][ T8142] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.686854][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.695447][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.706194][ T8132] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.729822][ T8139] team0: Port device team_slave_0 added [ 55.742160][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.753690][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.766138][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.773461][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.783225][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.794465][ T8135] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.802293][ T8139] team0: Port device team_slave_1 added [ 55.811645][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.821299][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.830121][ T3059] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.837229][ T3059] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.845109][ T8144] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 55.877351][ T8137] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 55.960592][ T8139] device hsr_slave_0 entered promiscuous mode [ 55.996652][ T8139] device hsr_slave_1 entered promiscuous mode [ 56.035892][ T8139] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.043973][ T8144] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 56.088793][ T8145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.097380][ T8145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.106990][ T8137] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.170358][ T8137] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.222959][ T8144] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 56.264657][ T8137] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 56.319829][ T8145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.331363][ T8145] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.339846][ T8145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.349558][ T8145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.358315][ T8145] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.372601][ T8142] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 56.417385][ T8144] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 56.470419][ T8142] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 56.510159][ T8142] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 56.571733][ T8142] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 56.631524][ T8135] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.651382][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.660631][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.689593][ T8139] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 56.741162][ T8132] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 56.751825][ T8132] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.766994][ T8145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.775414][ T8145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.784939][ T8145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.793788][ T8145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.802948][ T8145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.817753][ T8139] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 56.847942][ T8139] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 56.888708][ T8139] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 56.954965][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.963993][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.972989][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.983321][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.991215][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.999887][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.008430][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.015604][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.023601][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.032743][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.060741][ T8135] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 57.072933][ T8135] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.089407][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.098289][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.108313][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.117206][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.125648][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.134312][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.142720][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.151359][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.159643][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.168983][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.176949][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.208241][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.219661][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.228181][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.235978][ T3059] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.246826][ T8132] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.259932][ T8135] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.279953][ T8137] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.329775][ T8137] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.344711][ T8142] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.354672][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.363055][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.390824][ T8142] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.440066][ T8144] 8021q: adding VLAN 0 to HW filter on device bond0 [ 162.435695][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 162.442471][ C0] rcu: 0-...!: (10499 ticks this GP) idle=e46/1/0x4000000000000002 softirq=10359/10359 fqs=1 [ 162.452963][ C0] (t=10500 jiffies g=6229 q=179) [ 162.457984][ C0] rcu: rcu_preempt kthread starved for 10498 jiffies! g6229 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 162.469065][ C0] rcu: RCU grace-period kthread stack dump: [ 162.475027][ C0] rcu_preempt R running task 29104 10 2 0x80004000 [ 162.482914][ C0] Call Trace: [ 162.486206][ C0] __schedule+0x9a0/0xcc0 [ 162.490547][ C0] schedule+0x181/0x210 [ 162.494704][ C0] schedule_timeout+0x14f/0x240 [ 162.499726][ C0] ? run_local_timers+0x120/0x120 [ 162.504747][ C0] rcu_gp_kthread+0xed8/0x1770 [ 162.509510][ C0] kthread+0x332/0x350 [ 162.513653][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 162.518762][ C0] ? kthread_blkcg+0xe0/0xe0 [ 162.523344][ C0] ret_from_fork+0x24/0x30 [ 162.527761][ C0] NMI backtrace for cpu 0 [ 162.532078][ C0] CPU: 0 PID: 8135 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 162.540293][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.550328][ C0] Call Trace: [ 162.553594][ C0] [ 162.556651][ C0] dump_stack+0x1fb/0x318 [ 162.560970][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 162.565825][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 162.571964][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 162.578014][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 162.583977][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 162.589860][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 162.594962][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 162.600150][ C0] ? trace_hardirqs_off+0x74/0x80 [ 162.605165][ C0] update_process_times+0x12d/0x180 [ 162.610355][ C0] tick_sched_timer+0x263/0x420 [ 162.615193][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 162.620948][ C0] __hrtimer_run_queues+0x403/0x840 [ 162.626260][ C0] hrtimer_interrupt+0x38c/0xda0 [ 162.632079][ C0] ? debug_smp_processor_id+0x9/0x20 [ 162.637564][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 162.643107][ C0] apic_timer_interrupt+0xf/0x20 [ 162.648033][ C0] [ 162.650965][ C0] RIP: 0010:free_thread_stack+0x16d/0x590 [ 162.656675][ C0] Code: c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 25 a0 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 00 43 80 3c 2e 00 <74> 08 4c 89 e7 e8 09 a0 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 [ 162.676370][ C0] RSP: 0018:ffffc900023c7990 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 162.684865][ C0] RAX: ffffffff81487433 RBX: ffff8880a0444e08 RCX: ffff88809484e680 [ 162.693084][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a15440 [ 162.701043][ C0] RBP: ffffc900023c79c8 R08: dffffc0000000000 R09: fffffbfff120248a [ 162.709009][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff8880a0444ea0 [ 162.717311][ C0] R13: dffffc0000000000 R14: 1ffff110140889d4 R15: ffff888097d7b868 [ 162.725285][ C0] ? mod_memcg_page_state+0x123/0x190 [ 162.730650][ C0] put_task_stack+0xa3/0x130 [ 162.735333][ C0] finish_task_switch+0x3f1/0x550 [ 162.740349][ C0] __schedule+0x9a8/0xcc0 [ 162.744770][ C0] ? ___preempt_schedule_notrace+0x16/0x27 [ 162.750562][ C0] preempt_schedule_notrace+0xdb/0x120 [ 162.756004][ C0] ? __vunmap+0x9fe/0xa90 [ 162.760315][ C0] ___preempt_schedule_notrace+0x16/0x27 [ 162.765941][ C0] ? check_preemption_disabled+0x37/0x260 [ 162.771653][ C0] trace_kfree+0xf5/0x110 [ 162.775997][ C0] ? __vunmap+0x9fe/0xa90 [ 162.780487][ C0] kfree+0x1d/0x200 [ 162.784301][ C0] __vunmap+0x9fe/0xa90 [ 162.788646][ C0] vfree+0x85/0x130 [ 162.792462][ C0] do_ip6t_get_ctl+0x79c/0x9b0 [ 162.797235][ C0] nf_getsockopt+0x287/0x2b0 [ 162.801907][ C0] ipv6_getsockopt+0x1c3/0x2c0 [ 162.806670][ C0] tcp_getsockopt+0xbe/0xd0 [ 162.811197][ C0] sock_common_getsockopt+0x99/0xb0 [ 162.816388][ C0] __sys_getsockopt+0x24c/0x2b0 [ 162.821239][ C0] __x64_sys_getsockopt+0xbf/0xd0 [ 162.826259][ C0] do_syscall_64+0xf7/0x1c0 [ 162.830749][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 162.836624][ C0] RIP: 0033:0x45d18a [ 162.840523][ C0] Code: b8 34 01 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 8d 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 6a 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 162.860238][ C0] RSP: 002b:00007ffd51d7c3e8 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 [ 162.868633][ C0] RAX: ffffffffffffffda RBX: 00007ffd51d7c410 RCX: 000000000045d18a [ 162.876589][ C0] RDX: 0000000000000041 RSI: 0000000000000029 RDI: 0000000000000003 [ 162.884893][ C0] RBP: 0000000000717cc0 R08: 00007ffd51d7c40c R09: 0000000000004000 [ 162.892848][ C0] R10: 00007ffd51d7c510 R11: 0000000000000212 R12: 0000000000000003 [ 162.900803][ C0] R13: 0000000000000000 R14: 0000000000000029 R15: 0000000000716880