[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 54.294926][ T27] audit: type=1800 audit(1578455885.278:25): pid=8343 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 54.321625][ T27] audit: type=1800 audit(1578455885.278:26): pid=8343 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 54.349039][ T27] audit: type=1800 audit(1578455885.278:27): pid=8343 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.33' (ECDSA) to the list of known hosts. 2020/01/08 03:58:17 fuzzer started 2020/01/08 03:58:19 dialing manager at 10.128.0.26:35703 2020/01/08 03:58:19 syscalls: 2824 2020/01/08 03:58:19 code coverage: enabled 2020/01/08 03:58:19 comparison tracing: enabled 2020/01/08 03:58:19 extra coverage: enabled 2020/01/08 03:58:19 setuid sandbox: enabled 2020/01/08 03:58:19 namespace sandbox: enabled 2020/01/08 03:58:19 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 03:58:19 fault injection: enabled 2020/01/08 03:58:19 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 03:58:19 net packet injection: enabled 2020/01/08 03:58:19 net device setup: enabled 2020/01/08 03:58:19 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 03:58:19 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:58:20 executing program 0: r0 = perf_event_open(&(0x7f000025c000)={0x400000001, 0x70, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = perf_event_open(&(0x7f000001d000)={0x7, 0x70, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000025c000)={0x400000001, 0x70, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, r1, 0x0) perf_event_open(&(0x7f000025c000)={0x400000001, 0x70, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, r1, 0x0) dup2(r0, r1) 03:58:20 executing program 1: r0 = socket$tipc(0x1e, 0x5, 0x0) getsockopt$TIPC_SOCK_RECVQ_DEPTH(r0, 0x10f, 0x89, &(0x7f0000000000), &(0x7f0000000040)=0x4) syzkaller login: [ 69.399819][ T8509] IPVS: ftp: loaded support on port[0] = 21 [ 69.535540][ T8509] chnl_net:caif_netlink_parms(): no params data found 03:58:20 executing program 2: syz_mount_image$iso9660(&(0x7f00000000c0)='iso9660\x00', &(0x7f0000000100)='./bus\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000840)={[{@map_acorn='map=acorn'}]}) [ 69.620408][ T8512] IPVS: ftp: loaded support on port[0] = 21 [ 69.629215][ T8509] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.641939][ T8509] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.653830][ T8509] device bridge_slave_0 entered promiscuous mode [ 69.691864][ T8509] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.698959][ T8509] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.722442][ T8509] device bridge_slave_1 entered promiscuous mode [ 69.776132][ T8509] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.803446][ T8509] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.846327][ T8509] team0: Port device team_slave_0 added [ 69.863437][ T8509] team0: Port device team_slave_1 added 03:58:20 executing program 3: r0 = socket(0x10, 0x3, 0x0) ioctl$sock_ifreq(r0, 0x89f6, &(0x7f0000000080)={'\x00', @ifru_flags}) [ 69.899070][ T8514] IPVS: ftp: loaded support on port[0] = 21 [ 69.923216][ T8509] device hsr_slave_0 entered promiscuous mode [ 69.962646][ T8509] device hsr_slave_1 entered promiscuous mode [ 70.109542][ T8516] IPVS: ftp: loaded support on port[0] = 21 03:58:21 executing program 4: syz_open_dev$vbi(0x0, 0x1, 0x2) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000100)=0x14) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, 0x0, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) [ 70.165013][ T8512] chnl_net:caif_netlink_parms(): no params data found [ 70.377276][ T8514] chnl_net:caif_netlink_parms(): no params data found [ 70.417821][ T8520] IPVS: ftp: loaded support on port[0] = 21 03:58:21 executing program 5: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x4) ioctl$sock_bt_bnep_BNEPGETCONNLIST(r0, 0x800442d2, &(0x7f0000000000)={0x4, 0x0}) [ 70.468131][ T8512] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.479346][ T8512] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.488293][ T8512] device bridge_slave_0 entered promiscuous mode [ 70.503583][ T8509] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 70.543980][ T8509] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 70.630659][ T8512] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.638214][ T8512] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.645963][ T8512] device bridge_slave_1 entered promiscuous mode [ 70.660192][ T8509] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 70.704441][ T8509] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 70.778989][ T8512] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.790213][ T8512] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.814555][ T8522] IPVS: ftp: loaded support on port[0] = 21 [ 70.830211][ T8512] team0: Port device team_slave_0 added [ 70.838336][ T8512] team0: Port device team_slave_1 added [ 70.845072][ T8516] chnl_net:caif_netlink_parms(): no params data found [ 70.862931][ T8514] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.870040][ T8514] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.877750][ T8514] device bridge_slave_0 entered promiscuous mode [ 70.890630][ T8514] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.897986][ T8514] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.905941][ T8514] device bridge_slave_1 entered promiscuous mode [ 71.024573][ T8512] device hsr_slave_0 entered promiscuous mode [ 71.061869][ T8512] device hsr_slave_1 entered promiscuous mode [ 71.101734][ T8512] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.109459][ T8512] Cannot create hsr debugfs directory [ 71.139156][ T8514] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.152922][ T8516] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.160078][ T8516] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.168478][ T8516] device bridge_slave_0 entered promiscuous mode [ 71.177362][ T8514] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.199371][ T8516] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.207618][ T8516] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.216832][ T8516] device bridge_slave_1 entered promiscuous mode [ 71.238619][ T8520] chnl_net:caif_netlink_parms(): no params data found [ 71.259818][ T8516] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.283785][ T8514] team0: Port device team_slave_0 added [ 71.291265][ T8516] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.318993][ T8514] team0: Port device team_slave_1 added [ 71.377956][ T8516] team0: Port device team_slave_0 added [ 71.463615][ T8514] device hsr_slave_0 entered promiscuous mode [ 71.511987][ T8514] device hsr_slave_1 entered promiscuous mode [ 71.551690][ T8514] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.559278][ T8514] Cannot create hsr debugfs directory [ 71.571133][ T8516] team0: Port device team_slave_1 added [ 71.595461][ T8522] chnl_net:caif_netlink_parms(): no params data found [ 71.605983][ T8520] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.613790][ T8520] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.621349][ T8520] device bridge_slave_0 entered promiscuous mode [ 71.629581][ T8520] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.637516][ T8520] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.645169][ T8520] device bridge_slave_1 entered promiscuous mode [ 71.664593][ T8520] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.695981][ T8520] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.765138][ T8516] device hsr_slave_0 entered promiscuous mode [ 71.801961][ T8516] device hsr_slave_1 entered promiscuous mode [ 71.851711][ T8516] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.859313][ T8516] Cannot create hsr debugfs directory [ 71.868476][ T8512] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 71.949716][ T8520] team0: Port device team_slave_0 added [ 71.975164][ T8512] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 72.056287][ T8509] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.064531][ T8520] team0: Port device team_slave_1 added [ 72.081351][ T8512] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 72.127901][ T8522] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.135099][ T8522] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.143281][ T8522] device bridge_slave_0 entered promiscuous mode [ 72.157080][ T8512] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 72.229780][ T8522] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.237069][ T8522] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.245152][ T8522] device bridge_slave_1 entered promiscuous mode [ 72.255775][ T8509] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.313619][ T8520] device hsr_slave_0 entered promiscuous mode [ 72.371973][ T8520] device hsr_slave_1 entered promiscuous mode [ 72.411640][ T8520] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 72.419244][ T8520] Cannot create hsr debugfs directory [ 72.445211][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.453560][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.461237][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.470150][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.478706][ T2798] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.486095][ T2798] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.494549][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.503488][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.511883][ T2798] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.518919][ T2798] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.526881][ T2798] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.557427][ T8522] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.587489][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.596593][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.605071][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.613871][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.622328][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.630734][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.640591][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.655953][ T8522] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.698211][ T2858] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.706826][ T2858] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.743818][ T8509] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.759012][ T8509] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.767055][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.776301][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.784732][ T8514] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 72.838500][ T8514] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 72.886345][ T8514] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 72.944685][ T8522] team0: Port device team_slave_0 added [ 72.950505][ T8514] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 73.018069][ T8522] team0: Port device team_slave_1 added [ 73.056538][ T2858] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.065080][ T2858] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.114288][ T8522] device hsr_slave_0 entered promiscuous mode [ 73.141989][ T8522] device hsr_slave_1 entered promiscuous mode [ 73.182062][ T8522] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.189773][ T8522] Cannot create hsr debugfs directory [ 73.196943][ T8509] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.209149][ T8520] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 73.268318][ T8520] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 73.315788][ T8520] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 73.413291][ T8516] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 73.452832][ T8520] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 73.510605][ T8512] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.517513][ T8516] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 73.593894][ T2858] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.605797][ T2858] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.614796][ T8516] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 73.667643][ T8516] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 73.762849][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 73.771140][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.783870][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.791736][ T2797] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.803285][ T8509] device veth0_vlan entered promiscuous mode [ 73.813941][ T8522] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 73.844654][ T8522] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 73.905553][ T8522] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 73.973367][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.983970][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.997241][ T8512] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.007939][ T8509] device veth1_vlan entered promiscuous mode [ 74.021420][ T8522] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 74.077455][ T8514] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.086295][ T2858] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.095847][ T2858] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.103971][ T2858] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.113103][ T2858] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.121764][ T2858] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.128808][ T2858] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.137241][ T2858] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.173073][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.187714][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.197838][ T2698] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.204964][ T2698] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.219382][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.228137][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.239447][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.247281][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.287859][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.298570][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.307017][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.315952][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.324331][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.332869][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.341058][ T2698] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.353135][ T8512] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.374443][ T8512] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.383987][ T8514] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.426372][ T8516] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.442521][ T8516] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.494187][ T8516] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 74.511537][ T8516] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.554219][ T8516] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.602834][ T8516] device veth0_vlan entered promiscuous mode [ 74.623051][ T8516] device veth1_vlan entered promiscuous mode [ 179.411465][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 179.418344][ C0] rcu: 0-...!: (10500 ticks this GP) idle=666/1/0x4000000000000002 softirq=14763/14763 fqs=41 [ 179.428931][ C0] (t=10500 jiffies g=6869 q=702) [ 179.433958][ C0] rcu: rcu_preempt kthread starved for 10415 jiffies! g6869 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 179.445051][ C0] rcu: RCU grace-period kthread stack dump: [ 179.450941][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 179.458851][ C0] Call Trace: [ 179.462155][ C0] __schedule+0x9a0/0xcc0 [ 179.466493][ C0] schedule+0x181/0x210 [ 179.470648][ C0] schedule_timeout+0x14f/0x240 [ 179.475493][ C0] ? run_local_timers+0x120/0x120 [ 179.480517][ C0] rcu_gp_kthread+0xed8/0x1770 [ 179.485282][ C0] kthread+0x332/0x350 [ 179.489338][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 179.494437][ C0] ? kthread_blkcg+0xe0/0xe0 [ 179.499015][ C0] ret_from_fork+0x24/0x30 [ 179.503434][ C0] NMI backtrace for cpu 0 [ 179.507755][ C0] CPU: 0 PID: 8512 Comm: syz-executor.1 Not tainted 5.5.0-rc5-syzkaller #0 [ 179.516323][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 179.526370][ C0] Call Trace: [ 179.529646][ C0] [ 179.532491][ C0] dump_stack+0x1fb/0x318 [ 179.536987][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 179.541826][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 179.547973][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 179.554031][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 179.560003][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 179.565887][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 179.571007][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 179.576198][ C0] ? trace_hardirqs_off+0x74/0x80 [ 179.581219][ C0] update_process_times+0x12d/0x180 [ 179.586408][ C0] tick_sched_timer+0x263/0x420 [ 179.591247][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 179.596781][ C0] __hrtimer_run_queues+0x403/0x840 [ 179.601983][ C0] hrtimer_interrupt+0x38c/0xda0 [ 179.606930][ C0] ? debug_smp_processor_id+0x9/0x20 [ 179.612212][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 179.617747][ C0] apic_timer_interrupt+0xf/0x20 [ 179.622669][ C0] [ 179.625599][ C0] RIP: 0010:__memcg_kmem_uncharge+0x6/0x1a0 [ 179.631481][ 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 [ 179.651089][ C0] RSP: 0018:ffffc90002017510 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 179.659521][ C0] RAX: ffffffff81489244 RBX: ffffea0002344dc0 RCX: ffff8880921ec640 [ 179.667485][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002344dc0 [ 179.675449][ C0] RBP: ffffc90002017518 R08: 000000000003a728 R09: ffffed1012188729 [ 179.683410][ C0] R10: ffffed1012188729 R11: 0000000000000000 R12: ffff88808d3790a0 [ 179.691370][ C0] R13: dffffc0000000000 R14: 1ffff11011a6f214 R15: ffff888090c43938 [ 179.700043][ C0] ? free_thread_stack+0x124/0x590 [ 179.705152][ C0] free_thread_stack+0x12e/0x590 [ 179.710083][ C0] put_task_stack+0xa3/0x130 [ 179.714677][ C0] finish_task_switch+0x3f1/0x550 [ 179.719694][ C0] __schedule+0x9a8/0xcc0 [ 179.724027][ C0] ? ___preempt_schedule+0x16/0x18 [ 179.729134][ C0] preempt_schedule+0xdb/0x120 [ 179.733890][ C0] ___preempt_schedule+0x16/0x18 [ 179.738949][ C0] try_to_wake_up+0xe78/0x1050 [ 179.743716][ C0] ? do_raw_spin_unlock+0x142/0x950 [ 179.748916][ C0] wake_up_q+0x8c/0xe0 [ 179.752996][ C0] __mutex_unlock_slowpath+0x586/0x5b0 [ 179.758458][ C0] mutex_unlock+0xd/0x10 [ 179.762711][ C0] __rtnl_unlock+0x2c/0xa0 [ 179.767123][ C0] netdev_run_todo+0xe5/0xe10 [ 179.771807][ C0] rtnetlink_rcv_msg+0x890/0xd40 [ 179.776761][ C0] ? rcu_lock_release+0x9/0x30 [ 179.781517][ C0] ? rcu_lock_release+0x9/0x30 [ 179.786277][ C0] ? rcu_lock_release+0x9/0x30 [ 179.791037][ C0] netlink_rcv_skb+0x19e/0x3d0 [ 179.795791][ C0] ? rtnetlink_bind+0x80/0x80 [ 179.801077][ C0] rtnetlink_rcv+0x1c/0x20 [ 179.805510][ C0] netlink_unicast+0x767/0x920 [ 179.810280][ C0] netlink_sendmsg+0xa31/0xd50 [ 179.815072][ C0] ? netlink_getsockopt+0x9f0/0x9f0 [ 179.820302][ C0] __sys_sendto+0x442/0x5e0 [ 179.824833][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 179.831393][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 179.837109][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 179.842563][ C0] __x64_sys_sendto+0xe5/0x100 [ 179.847322][ C0] do_syscall_64+0xf7/0x1c0 [ 179.851856][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 179.857757][ C0] RIP: 0033:0x414c43 [ 179.861750][ C0] Code: ff 0f 83 b0 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 2d 38 66 00 00 75 17 49 89 ca b8 2c 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 81 19 00 00 c3 48 83 ec 08 e8 87 fa ff ff [ 179.881431][ C0] RSP: 002b:00007fffb8f16e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 179.889834][ C0] RAX: ffffffffffffffda RBX: 0000000000a72200 RCX: 0000000000414c43 [ 179.897794][ C0] RDX: 0000000000000020 RSI: 0000000000a72250 RDI: 0000000000000003 [ 179.905755][ C0] RBP: 0000000000000000 R08: 00007fffb8f16e70 R09: 000000000000000c [ 179.913715][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 179.921678][ C0] R13: 0000000000000000 R14: 0000000000a72250 R15: 0000000000000003