[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 54.888366][ T27] audit: type=1800 audit(1578464968.900:25): pid=8381 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 54.907476][ T27] audit: type=1800 audit(1578464968.900:26): pid=8381 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.952173][ T27] audit: type=1800 audit(1578464968.900:27): pid=8381 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 '10.128.1.36' (ECDSA) to the list of known hosts. 2020/01/08 06:29:36 fuzzer started 2020/01/08 06:29:38 dialing manager at 10.128.0.26:35703 2020/01/08 06:29:38 syscalls: 2824 2020/01/08 06:29:38 code coverage: enabled 2020/01/08 06:29:38 comparison tracing: enabled 2020/01/08 06:29:38 extra coverage: enabled 2020/01/08 06:29:38 setuid sandbox: enabled 2020/01/08 06:29:38 namespace sandbox: enabled 2020/01/08 06:29:38 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:29:38 fault injection: enabled 2020/01/08 06:29:38 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:29:38 net packet injection: enabled 2020/01/08 06:29:38 net device setup: enabled 2020/01/08 06:29:38 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:29:38 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:29:39 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'bridge_slave_0\x00', 0x0}) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="280000001300210b00"/20, @ANYRES32=r1, @ANYBLOB="000000000000000008000400000054f14cc95868a2", @ANYRES32], 0x28}}, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket(0x10, 0x80002, 0x0) sendmmsg$alg(r3, &(0x7f0000000140)=[{0x4, 0x0, &(0x7f0000000100), 0x0, &(0x7f0000000100)}], 0x49249249249255b, 0x0) 06:29:39 executing program 1: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x3, 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="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"], &(0x7f0000000000)='GPL\x00', 0x5, 0x487, &(0x7f000000cf3d)=""/195}, 0x48) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000180)={r0, 0x2, 0xe80, 0x0, &(0x7f0000000380)="263abd030e98ff4dc870bd6688a8640888a8", 0x0, 0x200}, 0x28) syzkaller login: [ 65.771403][ T8549] IPVS: ftp: loaded support on port[0] = 21 [ 65.829091][ T8551] IPVS: ftp: loaded support on port[0] = 21 06:29:39 executing program 2: bpf$PROG_LOAD(0x5, &(0x7f00000006c0)={0xb, 0x4, &(0x7f0000346fc8)=@framed={{}, [@call={0x85, 0x0, 0x0, 0x1c}]}, &(0x7f0000000040)='GPL\x00', 0x1, 0xfb, &(0x7f00001a7f05)=""/251, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 65.917673][ T8549] chnl_net:caif_netlink_parms(): no params data found [ 66.065252][ T8549] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.080471][ T8549] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.100316][ T8549] device bridge_slave_0 entered promiscuous mode 06:29:40 executing program 3: unshare(0x2040400) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) bind$bt_l2cap(r0, &(0x7f0000000000)={0x1f, 0x0, {0x0, 0x3}}, 0xe) connect$bt_l2cap(r0, &(0x7f0000000040)={0x1f, 0x0, {}, 0x0, 0x80000001}, 0xe) [ 66.126069][ T8551] chnl_net:caif_netlink_parms(): no params data found [ 66.142096][ T8549] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.149168][ T8549] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.165710][ T8549] device bridge_slave_1 entered promiscuous mode [ 66.233298][ T8549] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.245701][ T8556] IPVS: ftp: loaded support on port[0] = 21 [ 66.274038][ T8549] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.301993][ T8551] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.309058][ T8551] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.332510][ T8551] device bridge_slave_0 entered promiscuous mode [ 66.355464][ T8551] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.362652][ T8551] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.370896][ T8551] device bridge_slave_1 entered promiscuous mode [ 66.388337][ T8549] team0: Port device team_slave_0 added [ 66.398989][ T8549] team0: Port device team_slave_1 added 06:29:40 executing program 4: socketpair(0x8, 0x3, 0x7f, &(0x7f000000dff8)={0xffffffffffffffff}) close(r0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(0xffffffffffffffff, 0x6, 0x7, &(0x7f0000000080)=0xfd1, 0x4) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$tipc(&(0x7f0000000140)='TIPC\x00') sendmsg$TIPC_CMD_SET_LINK_PRI(r2, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1010005}, 0xc, &(0x7f0000000200)={&(0x7f0000000580)=ANY=[@ANYBLOB="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"/316, @ANYRES16=r3, @ANYBLOB="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"], 0x68}, 0x1, 0x0, 0x0, 0x20008000}, 0x8000) syz_genetlink_get_family_id$ipvs(&(0x7f0000000280)='IPVS\x00') bind$inet(r1, &(0x7f0000001440)={0x2, 0x4e23, @broadcast}, 0x10) sendto$inet(r1, 0x0, 0x0, 0x220007fd, &(0x7f0000e68000)={0x2, 0x4e23, @multicast2}, 0x10) setsockopt$sock_int(r1, 0x1, 0x2d, &(0x7f0000000000)=0x80, 0xfffffe38) r4 = socket$inet6(0xa, 0x802, 0x88) sendto$inet6(r4, 0x0, 0x0, 0x0, &(0x7f0000000000)={0xa, 0x4e23, 0x0, @empty}, 0x1c) r5 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r5, 0x1000008912, &(0x7f0000000080)="0800b5055e4bcfe87b2071") accept(r5, &(0x7f0000000180)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @broadcast}}}, &(0x7f00000000c0)=0x80) r7 = socket$netlink(0x10, 0x3, 0x8000000004) writev(r7, &(0x7f0000000000)=[{&(0x7f00000001c0)="580000001400ad0900323b470c458c5602067fffffff81004e220000000058000b4824a0998ca84e2d34840028925aa80000000000000080000efffeffe809000000fff5dd00000010000100090a1000410400000000fcff", 0x58}], 0x1) r8 = syz_genetlink_get_family_id$fou(&(0x7f0000000240)='fou\x00') sendmsg$FOU_CMD_DEL(r7, &(0x7f0000000340)={&(0x7f0000000200), 0xc, &(0x7f0000000300)={&(0x7f0000000380)=ANY=[@ANYRES16=r8, @ANYBLOB], 0x2}, 0x1, 0x0, 0x0, 0x54}, 0x4008001) sendmsg$FOU_CMD_GET(r6, &(0x7f0000000500)={&(0x7f0000000400), 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x48, r8, 0x100, 0x70bd29, 0x25dfdbfc, {}, [@FOU_ATTR_IPPROTO={0x8, 0x3, 0x33}, @FOU_ATTR_IPPROTO={0x8}, @FOU_ATTR_TYPE={0x8}, @FOU_ATTR_LOCAL_V6={0x14, 0x7, @rand_addr="e53576b267cdf419472aa5d7527c3c26"}, @FOU_ATTR_LOCAL_V4={0x8, 0x6, @local}]}, 0x48}, 0x1, 0x0, 0x0, 0x4000}, 0xddcc630cc8137acc) getsockopt$inet_sctp6_SCTP_INITMSG(r4, 0x84, 0x2, &(0x7f0000000100), &(0x7f0000000140)=0x8) r9 = syz_init_net_socket$llc(0x1a, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADDDEST(r1, 0x0, 0x487, &(0x7f00000002c0)={{0x89, @initdev={0xac, 0x1e, 0x0, 0x0}, 0x4e20, 0x2, 'none\x00', 0x16, 0x4, 0x47}, {@remote, 0x4e24, 0x2000, 0x5ed08dba, 0x2, 0x3}}, 0x44) connect$llc(r9, &(0x7f0000000100)={0x1a, 0x304, 0x0, 0x64, 0x1, 0x2, @link_local}, 0x10) sendmmsg(r9, &(0x7f0000001380), 0x3fffffffffffeed, 0x0) [ 66.444876][ T8551] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 66.503015][ T8549] device hsr_slave_0 entered promiscuous mode [ 66.540147][ T8549] device hsr_slave_1 entered promiscuous mode [ 66.589142][ T8558] IPVS: ftp: loaded support on port[0] = 21 [ 66.597252][ T8551] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 66.680623][ T8551] team0: Port device team_slave_0 added [ 66.723722][ T8551] team0: Port device team_slave_1 added [ 66.745161][ T8556] chnl_net:caif_netlink_parms(): no params data found [ 66.752557][ T8560] IPVS: ftp: loaded support on port[0] = 21 06:29:40 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000000)={0x8, {{0xa, 0x0, 0x0, @mcast1}}, {{0xa, 0x0, 0x0, @local}}}, 0x108) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000000)={0x8, {{0xa, 0x0, 0x0, @mcast1}}, {{0xa, 0x0, 0x0, @dev}}}, 0x108) r1 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_group_source_req(r1, 0x29, 0x2e, &(0x7f0000000000)={0x8, {{0xa, 0x0, 0x0, @mcast1}}, {{0xa, 0x0, 0x0, @dev}}}, 0x108) dup2(r0, r1) [ 66.872609][ T8551] device hsr_slave_0 entered promiscuous mode [ 66.920291][ T8551] device hsr_slave_1 entered promiscuous mode [ 66.959948][ T8551] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 66.967689][ T8551] Cannot create hsr debugfs directory [ 67.025594][ T8556] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.033451][ T8556] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.041308][ T8556] device bridge_slave_0 entered promiscuous mode [ 67.048382][ T8549] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.103837][ T8549] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.162960][ T8549] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.226932][ T8556] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.235075][ T8556] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.243180][ T8556] device bridge_slave_1 entered promiscuous mode [ 67.263543][ T8549] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.334654][ T8556] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.347313][ T8563] IPVS: ftp: loaded support on port[0] = 21 [ 67.353903][ T8556] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.396219][ T8556] team0: Port device team_slave_0 added [ 67.422202][ T8556] team0: Port device team_slave_1 added [ 67.494102][ T8558] chnl_net:caif_netlink_parms(): no params data found [ 67.552507][ T8556] device hsr_slave_0 entered promiscuous mode [ 67.600178][ T8556] device hsr_slave_1 entered promiscuous mode [ 67.649925][ T8556] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 67.657951][ T8556] Cannot create hsr debugfs directory [ 67.667520][ T8551] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 67.711829][ T8551] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 67.754920][ T8551] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 67.856300][ T8551] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 67.916833][ T8560] chnl_net:caif_netlink_parms(): no params data found [ 67.941152][ T8558] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.948308][ T8558] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.955997][ T8558] device bridge_slave_0 entered promiscuous mode [ 67.964730][ T8558] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.972460][ T8558] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.980282][ T8558] device bridge_slave_1 entered promiscuous mode [ 68.036005][ T8558] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.060687][ T8558] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.089298][ T8558] team0: Port device team_slave_0 added [ 68.105405][ T8560] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.114880][ T8560] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.122829][ T8560] device bridge_slave_0 entered promiscuous mode [ 68.158395][ T8558] team0: Port device team_slave_1 added [ 68.176799][ T8560] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.184949][ T8560] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.195383][ T8560] device bridge_slave_1 entered promiscuous mode [ 68.224981][ T8549] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.263760][ T8558] device hsr_slave_0 entered promiscuous mode [ 68.310316][ T8558] device hsr_slave_1 entered promiscuous mode [ 68.350070][ T8558] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 68.357629][ T8558] Cannot create hsr debugfs directory [ 68.382647][ T8563] chnl_net:caif_netlink_parms(): no params data found [ 68.399595][ T8560] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.408978][ T8556] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 68.476938][ T8556] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 68.544755][ T8560] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.556478][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 68.564926][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.574099][ T8549] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.582578][ T8556] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 68.628276][ T8556] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 68.705262][ T8560] team0: Port device team_slave_0 added [ 68.722649][ T8563] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.730339][ T8563] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.738250][ T8563] device bridge_slave_0 entered promiscuous mode [ 68.746963][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 68.759044][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.767559][ T3079] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.775289][ T3079] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.784502][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 68.793329][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.801705][ T3079] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.808735][ T3079] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.816395][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.828834][ T8560] team0: Port device team_slave_1 added [ 68.844475][ T8563] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.852304][ T8563] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.859943][ T8563] device bridge_slave_1 entered promiscuous mode [ 68.885162][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 68.909500][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 68.933977][ T8563] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.955608][ T8563] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.031645][ T8560] device hsr_slave_0 entered promiscuous mode [ 69.060651][ T8560] device hsr_slave_1 entered promiscuous mode [ 69.100726][ T8560] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.108336][ T8560] Cannot create hsr debugfs directory [ 69.124273][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 69.132807][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 69.141348][ T3079] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 69.151017][ T8563] team0: Port device team_slave_0 added [ 69.160779][ T8558] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 69.231237][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 69.243352][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 69.253511][ T8563] team0: Port device team_slave_1 added [ 69.262430][ T8551] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.274546][ T8558] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 69.332746][ T8558] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 69.388586][ T8558] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 69.421368][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 69.429707][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 69.441844][ T8549] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 69.453790][ T8549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.494102][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 69.502551][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.510766][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.518285][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.531193][ T8551] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.583223][ T8563] device hsr_slave_0 entered promiscuous mode [ 69.640113][ T8563] device hsr_slave_1 entered promiscuous mode [ 69.679890][ T8563] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.687512][ T8563] Cannot create hsr debugfs directory [ 69.705294][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 69.714949][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 69.723331][ T2829] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.730398][ T2829] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.738734][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 69.774576][ T8556] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.789312][ T2832] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.797739][ T2832] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.805501][ T2832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 69.816037][ T2832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 69.824970][ T2832] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.832073][ T2832] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.847238][ T8549] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.864722][ T8556] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.887410][ T2833] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 69.897161][ T2833] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 69.905356][ T2833] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.914477][ T2833] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 69.930531][ T2832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 69.939072][ T2832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.973798][ T8560] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 70.040031][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.048581][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.057424][ T2829] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.064609][ T2829] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.075488][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 70.094779][ T8549] device veth0_vlan entered promiscuous mode [ 70.110374][ T8560] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 70.146662][ T8560] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 70.191300][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.200677][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.209025][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 70.217304][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 70.225855][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.234551][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.243161][ T2831] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.250259][ T2831] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.257755][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.266338][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.276032][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.283924][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 70.291651][ T2831] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 70.315204][ T8560] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 70.352893][ T2832] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.362304][ T2832] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.370812][ T2832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.379207][ T2832] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.387986][ T2832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.396724][ T2832] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.405386][ T2832] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.413973][ T8549] device veth1_vlan entered promiscuous mode [ 70.449459][ T2833] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.457917][ T2833] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.506284][ T2833] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.515400][ T2833] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.530545][ T2833] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.538985][ T2833] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.554983][ T8551] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.566652][ T8558] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.577403][ T8556] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.589699][ T8556] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.597688][ T8563] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 70.632741][ T8563] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 70.765393][ T8560] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.798634][ T8560] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.878637][ T8560] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 70.903844][ T8560] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 70.962116][ T8560] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 175.669766][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 175.676653][ C0] rcu: 0-...!: (10499 ticks this GP) idle=64e/1/0x4000000000000002 softirq=13264/13264 fqs=14 [ 175.687215][ C0] (t=10501 jiffies g=6829 q=553) [ 175.692232][ C0] rcu: rcu_preempt kthread starved for 10472 jiffies! g6829 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 175.703329][ C0] rcu: RCU grace-period kthread stack dump: [ 175.709224][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 175.717121][ C0] Call Trace: [ 175.720422][ C0] __schedule+0x9a0/0xcc0 [ 175.724777][ C0] schedule+0x181/0x210 [ 175.728929][ C0] schedule_timeout+0x14f/0x240 [ 175.733774][ C0] ? run_local_timers+0x120/0x120 [ 175.738794][ C0] rcu_gp_kthread+0xed8/0x1770 [ 175.743556][ C0] kthread+0x332/0x350 [ 175.747611][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 175.752713][ C0] ? kthread_blkcg+0xe0/0xe0 [ 175.757298][ C0] ret_from_fork+0x24/0x30 [ 175.761717][ C0] NMI backtrace for cpu 0 [ 175.766041][ C0] CPU: 0 PID: 8549 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 175.774616][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 175.784656][ C0] Call Trace: [ 175.787929][ C0] [ 175.790771][ C0] dump_stack+0x1fb/0x318 [ 175.795096][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 175.799934][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 175.806081][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 175.812137][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 175.818108][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 175.823987][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 175.829091][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 175.834284][ C0] ? trace_hardirqs_off+0x74/0x80 [ 175.839310][ C0] update_process_times+0x12d/0x180 [ 175.844507][ C0] tick_sched_timer+0x263/0x420 [ 175.849522][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 175.855056][ C0] __hrtimer_run_queues+0x403/0x840 [ 175.860258][ C0] hrtimer_interrupt+0x38c/0xda0 [ 175.865202][ C0] ? debug_smp_processor_id+0x9/0x20 [ 175.870478][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 175.876013][ C0] apic_timer_interrupt+0xf/0x20 [ 175.880936][ C0] [ 175.883869][ C0] RIP: 0010:__memcg_kmem_uncharge+0x6/0x1a0 [ 175.889750][ C0] Code: bf ac 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff [ 175.909355][ C0] RSP: 0018:ffffc90002377bb8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 175.917756][ C0] RAX: ffffffff81489244 RBX: ffffea0002a4b800 RCX: ffff88807d06e140 [ 175.925723][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002a4b800 [ 175.933683][ C0] RBP: ffffc90002377bc0 R08: 000000000003a728 R09: fffffbfff124248a [ 175.941657][ C0] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff888096c106a0 [ 175.949648][ C0] R13: dffffc0000000000 R14: 1ffff11012d820d4 R15: ffff8880980e1738 [ 175.957632][ C0] ? free_thread_stack+0x124/0x590 [ 175.962742][ C0] free_thread_stack+0x12e/0x590 [ 175.967672][ C0] put_task_stack+0xa3/0x130 [ 175.972256][ C0] finish_task_switch+0x3f1/0x550 [ 175.977280][ C0] __schedule+0x9a8/0xcc0 [ 175.981609][ C0] schedule+0x181/0x210 [ 175.985780][ C0] do_nanosleep+0x1d0/0x6c0 [ 175.990291][ C0] hrtimer_nanosleep+0x3a6/0x5b0 [ 175.995240][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 176.001038][ C0] __x64_sys_nanosleep+0x186/0x1d0 [ 176.006145][ C0] do_syscall_64+0xf7/0x1c0 [ 176.010639][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 176.016523][ C0] RIP: 0033:0x4593f0 [ 176.020422][ C0] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 176.040018][ C0] RSP: 002b:00007ffdb5f39dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 176.048417][ C0] RAX: ffffffffffffffda RBX: 00000000000113e0 RCX: 00000000004593f0 [ 176.056467][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffdb5f39dd0 [ 176.064425][ C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000001cc0940 [ 176.072398][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 176.080360][ C0] R13: 00007ffdb5f39e20 R14: 00000000000113d5 R15: 00007ffdb5f39e30