Warning: Permanently added '10.128.15.210' (ECDSA) to the list of known hosts. [ 65.900339] random: sshd: uninitialized urandom read (32 bytes read) 2019/10/06 22:26:01 parsed 1 programs [ 66.092674] audit: type=1400 audit(1570400761.043:36): avc: denied { map } for pid=6864 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 66.157452] audit: type=1400 audit(1570400761.103:37): avc: denied { map } for pid=6864 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=20 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 66.757505] random: cc1: uninitialized urandom read (8 bytes read) 2019/10/06 22:26:02 executed programs: 0 [ 67.737451] audit: type=1400 audit(1570400762.683:38): avc: denied { map } for pid=6864 comm="syz-execprog" path="/root/syzkaller-shm579807285" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 68.040933] IPVS: ftp: loaded support on port[0] = 21 [ 68.860941] chnl_net:caif_netlink_parms(): no params data found [ 68.871644] IPVS: ftp: loaded support on port[0] = 21 [ 68.903669] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.910677] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.917996] device bridge_slave_0 entered promiscuous mode [ 68.925927] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.933106] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.941322] device bridge_slave_1 entered promiscuous mode [ 68.965937] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 68.976661] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 68.997718] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 69.005259] team0: Port device team_slave_0 added [ 69.010995] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 69.018109] team0: Port device team_slave_1 added [ 69.025472] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 69.035101] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 69.047503] IPVS: ftp: loaded support on port[0] = 21 [ 69.102250] device hsr_slave_0 entered promiscuous mode [ 69.140421] device hsr_slave_1 entered promiscuous mode [ 69.180766] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 69.191504] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 69.257338] chnl_net:caif_netlink_parms(): no params data found [ 69.275357] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.282033] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.289305] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.295873] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.345671] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.353066] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.360744] device bridge_slave_0 entered promiscuous mode [ 69.363144] IPVS: ftp: loaded support on port[0] = 21 [ 69.372690] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.379305] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.388368] device bridge_slave_1 entered promiscuous mode [ 69.413018] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 69.423767] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 69.445556] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 69.452797] team0: Port device team_slave_0 added [ 69.464660] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 69.471934] team0: Port device team_slave_1 added [ 69.477428] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 69.489950] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 69.533207] device hsr_slave_0 entered promiscuous mode [ 69.570457] device hsr_slave_1 entered promiscuous mode [ 69.653757] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 69.667882] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 69.719533] chnl_net:caif_netlink_parms(): no params data found [ 69.739184] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 69.745679] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.757800] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 69.765417] IPVS: ftp: loaded support on port[0] = 21 [ 69.770665] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.770707] bridge0: port 2(bridge_slave_1) entered forwarding state [ 69.770848] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.790239] bridge0: port 1(bridge_slave_0) entered forwarding state [ 69.816628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 69.835960] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.843450] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.852112] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.858858] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.866730] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 69.924640] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 69.931085] 8021q: adding VLAN 0 to HW filter on device team0 [ 69.938122] chnl_net:caif_netlink_parms(): no params data found [ 69.965592] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.972141] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.979092] device bridge_slave_0 entered promiscuous mode [ 69.992937] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 70.000314] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 70.008119] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 70.016270] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.022777] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.029776] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.038855] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.045912] device bridge_slave_1 entered promiscuous mode [ 70.069069] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.075636] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.082717] device bridge_slave_0 entered promiscuous mode [ 70.089612] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.096078] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.103156] device bridge_slave_1 entered promiscuous mode [ 70.127728] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 70.138015] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 70.152449] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 70.160551] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 70.168147] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.174693] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.185026] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 70.196001] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 70.204776] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 70.213978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 70.223881] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 70.246243] IPVS: ftp: loaded support on port[0] = 21 [ 70.255333] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 70.269602] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 70.279866] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 70.289760] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 70.297944] team0: Port device team_slave_0 added [ 70.306574] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 70.314116] team0: Port device team_slave_1 added [ 70.325281] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 70.333262] team0: Port device team_slave_0 added [ 70.338752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 70.347665] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 70.355802] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 70.364804] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 70.376045] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 70.384120] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 70.391861] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 70.399005] team0: Port device team_slave_1 added [ 70.404317] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 70.411760] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 70.426310] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 70.434167] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 70.512168] device hsr_slave_0 entered promiscuous mode [ 70.550508] device hsr_slave_1 entered promiscuous mode [ 70.592008] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 70.652151] device hsr_slave_0 entered promiscuous mode [ 70.710514] device hsr_slave_1 entered promiscuous mode [ 70.762717] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 70.771826] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 70.781183] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 70.796652] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 70.817879] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 70.829836] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 70.837675] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 70.864704] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.874308] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 70.882124] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 70.896103] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 70.914584] chnl_net:caif_netlink_parms(): no params data found [ 70.927114] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 70.933660] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 70.958588] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 71.003445] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 71.015964] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 71.042912] chnl_net:caif_netlink_parms(): no params data found [ 71.053029] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 71.077407] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.085644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.095290] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.109241] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.118523] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.126896] device bridge_slave_0 entered promiscuous mode [ 71.133956] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.141200] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.148078] device bridge_slave_1 entered promiscuous mode [ 71.168369] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 71.175595] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.191158] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.223211] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.231218] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.238389] device bridge_slave_0 entered promiscuous mode [ 71.247418] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.269941] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 71.283327] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.291521] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.298213] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.306039] device bridge_slave_1 entered promiscuous mode [ 71.321072] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.329255] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.337443] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.344684] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.352683] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 71.360258] team0: Port device team_slave_0 added [ 71.374391] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 71.388969] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 71.397504] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.406570] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.414719] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.421239] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.423482] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.440989] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 71.448135] team0: Port device team_slave_1 added [ 71.461013] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 71.468523] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 71.478591] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 71.488886] FAULT_INJECTION: forcing a failure. [ 71.488886] name failslab, interval 1, probability 0, space 0, times 1 [ 71.501652] CPU: 0 PID: 6919 Comm: syz-executor.3 Not tainted 4.14.147 #0 [ 71.508593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.518105] Call Trace: [ 71.520792] dump_stack+0x138/0x197 [ 71.524604] should_fail.cold+0x10f/0x159 [ 71.528754] should_failslab+0xdb/0x130 [ 71.532723] __kmalloc_track_caller+0x2ec/0x790 [ 71.537478] ? save_trace+0x290/0x290 [ 71.541294] ? kstrdup_const+0x48/0x60 [ 71.545164] kstrdup+0x3a/0x70 [ 71.548354] kstrdup_const+0x48/0x60 [ 71.552397] __kernfs_new_node+0x2f/0x420 [ 71.556633] kernfs_new_node+0x80/0xf0 [ 71.560520] kernfs_create_link+0x2c/0x170 [ 71.564751] sysfs_do_create_link_sd.isra.0+0x90/0x120 [ 71.570015] sysfs_create_link+0x65/0xc0 [ 71.574066] netdev_adjacent_sysfs_add+0xa7/0xd0 [ 71.578809] ? napi_disable+0x90/0x90 [ 71.582946] __netdev_adjacent_dev_insert+0x487/0x6a0 [ 71.588222] __netdev_upper_dev_link+0x196/0x230 [ 71.592970] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 71.597710] ? lock_downgrade+0x740/0x740 [ 71.601852] netdev_master_upper_dev_link+0x32/0x40 [ 71.607211] batadv_hardif_enable_interface+0x1f1/0xa00 [ 71.612560] batadv_softif_slave_add+0x8b/0xf0 [ 71.617178] ? batadv_softif_slave_del+0xc0/0xc0 [ 71.622012] do_set_master+0x19f/0x200 [ 71.625902] do_setlink+0x99f/0x2d50 [ 71.629600] ? __lock_acquire+0x5f7/0x4620 [ 71.633831] ? rtnl_register+0x50/0x50 [ 71.637712] ? trace_hardirqs_on+0x10/0x10 [ 71.641953] ? trace_hardirqs_on+0x10/0x10 [ 71.646205] ? save_trace+0x290/0x290 [ 71.649989] ? __lock_acquire+0x5f7/0x4620 [ 71.654221] ? __lock_is_held+0xb6/0x140 [ 71.658350] ? save_trace+0x290/0x290 [ 71.662225] ? save_trace+0x290/0x290 [ 71.666018] ? __update_load_avg_se.isra.0+0x3ba/0x530 [ 71.671323] ? trace_hardirqs_on+0x10/0x10 [ 71.675564] ? validate_nla+0x201/0x5f0 [ 71.679614] ? nla_parse+0x186/0x240 [ 71.683936] rtnl_newlink+0x11a7/0x1700 [ 71.687991] ? rtnl_link_unregister+0x200/0x200 [ 71.692730] ? finish_task_switch+0x178/0x650 [ 71.697206] ? finish_task_switch+0x14d/0x650 [ 71.701687] ? __mutex_lock+0x951/0x1470 [ 71.706015] ? lock_downgrade+0x740/0x740 [ 71.710197] ? vivid_vid_cap_s_selection+0x3e8/0x26e0 [ 71.715396] ? rtnl_link_unregister+0x200/0x200 [ 71.720058] rtnetlink_rcv_msg+0x3eb/0xb70 [ 71.724282] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 71.728861] ? netlink_deliver_tap+0x93/0x8f0 [ 71.733377] netlink_rcv_skb+0x14f/0x3c0 [ 71.737424] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 71.742019] ? lock_downgrade+0x740/0x740 [ 71.746173] ? netlink_ack+0x9a0/0x9a0 [ 71.750057] ? netlink_deliver_tap+0xba/0x8f0 [ 71.755330] rtnetlink_rcv+0x1d/0x30 [ 71.759123] netlink_unicast+0x45d/0x640 [ 71.763369] ? netlink_attachskb+0x6a0/0x6a0 [ 71.767956] ? security_netlink_send+0x81/0xb0 [ 71.772528] netlink_sendmsg+0x7c4/0xc60 [ 71.776574] ? netlink_unicast+0x640/0x640 [ 71.780800] ? security_socket_sendmsg+0x89/0xb0 [ 71.785642] ? netlink_unicast+0x640/0x640 [ 71.789863] sock_sendmsg+0xce/0x110 [ 71.793586] ___sys_sendmsg+0x70a/0x840 [ 71.797546] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 71.802285] ? __fget+0x210/0x370 [ 71.812675] ? find_held_lock+0x35/0x130 [ 71.816726] ? __fget+0x210/0x370 [ 71.820172] ? lock_downgrade+0x740/0x740 [ 71.824305] ? __fget+0x237/0x370 [ 71.827765] ? __fget_light+0x172/0x1f0 [ 71.831733] ? __fdget+0x1b/0x20 [ 71.835147] ? sockfd_lookup_light+0xb4/0x160 [ 71.839716] __sys_sendmsg+0xb9/0x140 [ 71.843863] ? SyS_shutdown+0x170/0x170 [ 71.847855] SyS_sendmsg+0x2d/0x50 [ 71.853811] ? __sys_sendmsg+0x140/0x140 [ 71.858003] do_syscall_64+0x1e8/0x640 [ 71.861907] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 71.866747] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 71.872122] RIP: 0033:0x459a59 [ 71.875930] RSP: 002b:00007f48e6f1bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 71.883817] RAX: ffffffffffffffda RBX: 00007f48e6f1bc90 RCX: 0000000000459a59 [ 71.891236] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 71.898648] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 71.906167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f48e6f1c6d4 [ 71.913423] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 71.923729] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 71.938104] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 71.951528] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 71.967950] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.976421] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.983856] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.993287] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.001002] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 72.009416] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 72.018814] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 72.039390] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 72.047851] team0: Port device team_slave_0 added [ 72.060893] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 72.068137] team0: Port device team_slave_1 added [ 72.073886] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.088279] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.096121] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.103864] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.111956] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.122259] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 72.136049] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 72.143494] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 72.151265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.158891] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.172138] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 72.181250] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 72.187325] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.252422] device hsr_slave_0 entered promiscuous mode [ 72.290339] device hsr_slave_1 entered promiscuous mode [ 72.330807] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 72.338057] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.345708] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.354129] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 72.360390] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.368981] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 72.377681] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 72.385391] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 72.401826] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 72.474434] device hsr_slave_0 entered promiscuous mode [ 72.530327] device hsr_slave_1 entered promiscuous mode [ 72.570562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.578301] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.586219] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.592654] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.599486] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.606436] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.613979] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.622336] FAULT_INJECTION: forcing a failure. [ 72.622336] name failslab, interval 1, probability 0, space 0, times 0 [ 72.633761] CPU: 1 PID: 6932 Comm: syz-executor.3 Not tainted 4.14.147 #0 [ 72.640682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.650060] Call Trace: [ 72.652645] dump_stack+0x138/0x197 [ 72.656273] should_fail.cold+0x10f/0x159 [ 72.660414] should_failslab+0xdb/0x130 [ 72.664384] __kmalloc_track_caller+0x2ec/0x790 [ 72.669473] ? save_trace+0x290/0x290 [ 72.673265] ? kstrdup_const+0x48/0x60 [ 72.677223] kstrdup+0x3a/0x70 [ 72.680493] kstrdup_const+0x48/0x60 [ 72.684199] __kernfs_new_node+0x2f/0x420 [ 72.689208] kernfs_new_node+0x80/0xf0 [ 72.693126] kernfs_create_link+0x2c/0x170 [ 72.697377] sysfs_do_create_link_sd.isra.0+0x90/0x120 [ 72.702650] sysfs_create_link+0x65/0xc0 [ 72.706792] netdev_adjacent_sysfs_add+0xa7/0xd0 [ 72.711532] ? napi_disable+0x90/0x90 [ 72.715343] __netdev_adjacent_dev_insert+0x487/0x6a0 [ 72.720901] __netdev_upper_dev_link+0x196/0x230 [ 72.726125] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 72.730877] ? lock_downgrade+0x740/0x740 [ 72.736643] netdev_master_upper_dev_link+0x32/0x40 [ 72.741827] batadv_hardif_enable_interface+0x1f1/0xa00 [ 72.747364] batadv_softif_slave_add+0x8b/0xf0 [ 72.753427] ? batadv_softif_slave_del+0xc0/0xc0 [ 72.758629] do_set_master+0x19f/0x200 [ 72.762681] do_setlink+0x99f/0x2d50 [ 72.766489] ? __lock_acquire+0x5f7/0x4620 [ 72.770718] ? rtnl_register+0x50/0x50 [ 72.774686] ? __lock_acquire+0x5f7/0x4620 [ 72.778904] ? lock_downgrade+0x740/0x740 [ 72.783488] ? trace_hardirqs_on+0x10/0x10 [ 72.787906] ? save_trace+0x290/0x290 [ 72.792151] ? __lock_acquire+0x5f7/0x4620 [ 72.796643] ? __lock_is_held+0xb6/0x140 [ 72.800962] ? save_trace+0x290/0x290 [ 72.804877] ? save_trace+0x290/0x290 [ 72.808936] ? __update_load_avg_se.isra.0+0x3ba/0x530 [ 72.814383] ? trace_hardirqs_on+0x10/0x10 [ 72.818619] ? validate_nla+0x201/0x5f0 [ 72.822588] ? nla_parse+0x186/0x240 [ 72.826657] rtnl_newlink+0x11a7/0x1700 [ 72.830630] ? rtnl_link_unregister+0x200/0x200 [ 72.836621] ? finish_task_switch+0x178/0x650 [ 72.841191] ? finish_task_switch+0x14d/0x650 [ 72.845696] ? __mutex_lock+0x951/0x1470 [ 72.849807] ? lock_downgrade+0x740/0x740 [ 72.854830] ? rtnl_link_unregister+0x200/0x200 [ 72.859671] rtnetlink_rcv_msg+0x3eb/0xb70 [ 72.864242] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 72.868985] ? netlink_deliver_tap+0x93/0x8f0 [ 72.873595] netlink_rcv_skb+0x14f/0x3c0 [ 72.877659] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 72.882344] ? lock_downgrade+0x740/0x740 [ 72.886591] ? netlink_ack+0x9a0/0x9a0 [ 72.891101] ? netlink_deliver_tap+0xba/0x8f0 [ 72.895841] rtnetlink_rcv+0x1d/0x30 [ 72.899565] netlink_unicast+0x45d/0x640 [ 72.903790] ? netlink_attachskb+0x6a0/0x6a0 [ 72.908204] ? security_netlink_send+0x81/0xb0 [ 72.912774] netlink_sendmsg+0x7c4/0xc60 [ 72.917093] ? netlink_unicast+0x640/0x640 [ 72.921326] ? security_socket_sendmsg+0x89/0xb0 [ 72.927043] ? netlink_unicast+0x640/0x640 [ 72.931268] sock_sendmsg+0xce/0x110 [ 72.934972] ___sys_sendmsg+0x70a/0x840 [ 72.938955] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 72.944249] ? __fget+0x210/0x370 [ 72.949231] ? find_held_lock+0x35/0x130 [ 72.953480] ? __fget+0x210/0x370 [ 72.957152] ? lock_downgrade+0x740/0x740 [ 72.961848] ? __fget+0x237/0x370 [ 72.965396] ? __fget_light+0x172/0x1f0 [ 72.969365] ? __fdget+0x1b/0x20 [ 72.972728] ? sockfd_lookup_light+0xb4/0x160 [ 72.977210] __sys_sendmsg+0xb9/0x140 [ 72.981016] ? SyS_shutdown+0x170/0x170 [ 72.985293] SyS_sendmsg+0x2d/0x50 [ 72.988845] ? __sys_sendmsg+0x140/0x140 [ 72.992909] do_syscall_64+0x1e8/0x640 [ 72.996787] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.001650] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 73.007228] RIP: 0033:0x459a59 [ 73.010415] RSP: 002b:00007f48e6f1bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e 2019/10/06 22:26:08 executed programs: 11 [ 73.018241] RAX: ffffffffffffffda RBX: 00007f48e6f1bc90 RCX: 0000000000459a59 [ 73.025518] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 73.032789] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 73.040064] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f48e6f1c6d4 [ 73.047332] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 73.060592] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 73.072957] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.085549] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 73.094075] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 73.102561] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 73.113191] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready [ 73.132905] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 73.142943] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 73.150967] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 73.160187] FAULT_INJECTION: forcing a failure. [ 73.160187] name failslab, interval 1, probability 0, space 0, times 0 [ 73.172170] CPU: 1 PID: 6937 Comm: syz-executor.3 Not tainted 4.14.147 #0 [ 73.179790] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.189328] Call Trace: [ 73.191910] dump_stack+0x138/0x197 [ 73.195549] should_fail.cold+0x10f/0x159 [ 73.199766] ? trace_hardirqs_on_caller+0x19b/0x590 [ 73.204792] should_failslab+0xdb/0x130 [ 73.208776] kmem_cache_alloc_node_trace+0x5a/0x770 [ 73.213776] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 73.219485] __kmalloc_node_track_caller+0x3d/0x80 [ 73.224401] __kmalloc_reserve.isra.0+0x40/0xe0 [ 73.229141] __alloc_skb+0xcf/0x500 [ 73.232751] ? skb_scrub_packet+0x4b0/0x4b0 [ 73.237059] __neigh_notify+0x8b/0x150 [ 73.240929] neigh_cleanup_and_release+0x78/0xd0 [ 73.245680] neigh_flush_dev+0x4ab/0x700 [ 73.249896] ? lock_acquire+0x16f/0x430 [ 73.253864] neigh_changeaddr+0x30/0x40 [ 73.257822] ndisc_netdev_event+0x35a/0x3b0 [ 73.262128] notifier_call_chain+0x111/0x1b0 [ 73.266522] raw_notifier_call_chain+0x2e/0x40 [ 73.271090] call_netdevice_notifiers_info+0x56/0x70 [ 73.276192] __dev_notify_flags+0x212/0x240 [ 73.280496] ? dev_change_name+0x990/0x990 [ 73.284732] ? dev_set_allmulti+0x30/0x30 [ 73.288886] dev_change_flags+0xf7/0x140 [ 73.292933] do_setlink+0x929/0x2d50 [ 73.296646] ? __lock_acquire+0x5f7/0x4620 [ 73.300887] ? rtnl_register+0x50/0x50 [ 73.304766] ? __lock_acquire+0x5f7/0x4620 [ 73.308983] ? lock_downgrade+0x740/0x740 [ 73.313220] ? trace_hardirqs_on+0x10/0x10 [ 73.317528] ? save_trace+0x290/0x290 [ 73.321751] ? __lock_acquire+0x5f7/0x4620 [ 73.326072] ? __lock_is_held+0xb6/0x140 [ 73.330213] ? find_held_lock+0x35/0x130 [ 73.334256] ? save_trace+0x290/0x290 [ 73.338136] ? __update_load_avg_se.isra.0+0x3ba/0x530 [ 73.343511] ? trace_hardirqs_on+0x10/0x10 [ 73.347998] ? validate_nla+0x201/0x5f0 [ 73.352218] ? nla_parse+0x186/0x240 [ 73.355917] rtnl_newlink+0x11a7/0x1700 [ 73.359879] ? rtnl_link_unregister+0x200/0x200 [ 73.364535] ? finish_task_switch+0x178/0x650 [ 73.369969] ? finish_task_switch+0x14d/0x650 [ 73.374461] ? __mutex_lock+0x951/0x1470 [ 73.378612] ? lock_downgrade+0x740/0x740 [ 73.382850] ? rtnl_link_unregister+0x200/0x200 [ 73.387504] rtnetlink_rcv_msg+0x3eb/0xb70 [ 73.391920] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 73.396498] ? netlink_deliver_tap+0x93/0x8f0 [ 73.401191] netlink_rcv_skb+0x14f/0x3c0 [ 73.405244] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 73.409823] ? lock_downgrade+0x740/0x740 [ 73.413954] ? netlink_ack+0x9a0/0x9a0 [ 73.417869] ? netlink_deliver_tap+0xba/0x8f0 [ 73.422375] rtnetlink_rcv+0x1d/0x30 [ 73.426103] netlink_unicast+0x45d/0x640 [ 73.430157] ? netlink_attachskb+0x6a0/0x6a0 [ 73.434561] ? security_netlink_send+0x81/0xb0 [ 73.439147] netlink_sendmsg+0x7c4/0xc60 [ 73.443195] ? netlink_unicast+0x640/0x640 [ 73.447414] ? security_socket_sendmsg+0x89/0xb0 [ 73.452162] ? netlink_unicast+0x640/0x640 [ 73.456381] sock_sendmsg+0xce/0x110 [ 73.461122] ___sys_sendmsg+0x70a/0x840 [ 73.465092] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 73.469828] ? __fget+0x210/0x370 [ 73.473271] ? find_held_lock+0x35/0x130 [ 73.477315] ? __fget+0x210/0x370 [ 73.480753] ? lock_downgrade+0x740/0x740 [ 73.484883] ? __fget+0x237/0x370 [ 73.488329] ? __fget_light+0x172/0x1f0 [ 73.492283] ? __fdget+0x1b/0x20 [ 73.495717] ? sockfd_lookup_light+0xb4/0x160 [ 73.500194] __sys_sendmsg+0xb9/0x140 [ 73.503973] ? SyS_shutdown+0x170/0x170 [ 73.507934] SyS_sendmsg+0x2d/0x50 [ 73.511466] ? __sys_sendmsg+0x140/0x140 [ 73.515534] do_syscall_64+0x1e8/0x640 [ 73.519401] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.524241] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 73.529412] RIP: 0033:0x459a59 [ 73.532620] RSP: 002b:00007f48e6f1bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 73.540759] RAX: ffffffffffffffda RBX: 00007f48e6f1bc90 RCX: 0000000000459a59 [ 73.548012] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 73.555273] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 73.562528] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f48e6f1c6d4 [ 73.569976] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 73.583504] batman_adv: batadv0: Adding interface: team0 [ 73.589053] batman_adv: batadv0: The MTU of interface team0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 73.614325] batman_adv: batadv0: Interface activated: team0 [ 73.624731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.633258] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.643057] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.649439] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.656705] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.665435] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.673145] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.679578] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.688679] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 73.698251] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.712699] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.719814] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.728077] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.737145] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.743593] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.754028] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 73.764333] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 73.773748] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 73.782658] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.790690] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.798442] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.807240] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.815421] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.826650] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 73.837086] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 73.847089] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 73.856996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 73.866380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 73.876536] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 73.885423] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 73.895160] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 73.902521] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 73.911131] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.919169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 73.927100] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.934930] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 73.943032] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.951759] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.961662] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 73.978982] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 73.987671] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 73.995525] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.003417] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.011435] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.019612] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 74.028794] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.050592] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 74.068173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.076793] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.089805] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 74.103004] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.110763] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.122619] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 74.131326] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 74.137709] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.154192] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.165978] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 74.176725] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.185738] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.196336] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.207113] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 74.217181] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 74.225362] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.234363] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.241711] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.250879] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 74.259394] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 74.265868] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.273263] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 74.282735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.291599] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 74.297952] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.306270] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 74.315196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.323135] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.331040] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.337382] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.346492] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 74.358650] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.369226] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.377553] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.385281] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.391673] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.401360] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 74.409747] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 74.421874] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 74.429439] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.441807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 74.449663] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.458160] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.464563] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.473164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 74.481360] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.489022] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.495440] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.505356] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 74.519026] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 74.529508] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 74.543543] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.561579] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 74.571617] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 74.580985] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 74.589954] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 74.601999] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 74.608958] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.616845] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.624620] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 74.633445] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 74.641257] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.648868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.656629] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.666446] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 74.675990] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 74.683556] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.691940] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.698787] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 74.706471] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.714169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.721932] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.731311] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 74.738880] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 74.748188] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 74.756153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.763744] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.771466] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.781506] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 74.787519] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.802648] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 74.812062] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 74.819515] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.829475] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 74.836031] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.845595] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 74.856461] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.868684] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 74.881741] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.006185] FAULT_INJECTION: forcing a failure. [ 76.006185] name failslab, interval 1, probability 0, space 0, times 0 [ 76.022362] CPU: 1 PID: 6996 Comm: syz-executor.5 Not tainted 4.14.147 #0 [ 76.029330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.038781] Call Trace: [ 76.041493] dump_stack+0x138/0x197 [ 76.045107] should_fail.cold+0x10f/0x159 [ 76.049868] should_failslab+0xdb/0x130 [ 76.053851] kmem_cache_alloc_trace+0x2e9/0x790 [ 76.058542] ? netlink_broadcast_filtered+0x307/0x9f0 [ 76.063811] netdevice_event+0x164/0x6c0 [ 76.067885] ? update_gid_event_work_handler+0xc0/0xc0 [ 76.073171] ? bond_delete_netdev_default_gids+0x2f0/0x2f0 [ 76.078779] ? upper_device_filter+0x160/0x160 [ 76.083354] ? handle_netdev_upper+0x440/0x440 [ 76.087935] ? is_eth_port_of_netdev.part.0+0x250/0x250 [ 76.093295] notifier_call_chain+0x111/0x1b0 [ 76.097701] raw_notifier_call_chain+0x2e/0x40 [ 76.102276] call_netdevice_notifiers_info+0x56/0x70 [ 76.107382] __netdev_upper_dev_link+0x1da/0x230 [ 76.112129] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 76.116870] ? lock_downgrade+0x740/0x740 [ 76.121011] netdev_master_upper_dev_link+0x32/0x40 [ 76.126178] batadv_hardif_enable_interface+0x1f1/0xa00 [ 76.131918] batadv_softif_slave_add+0x8b/0xf0 [ 76.136504] ? batadv_softif_slave_del+0xc0/0xc0 [ 76.141257] do_set_master+0x19f/0x200 [ 76.145154] do_setlink+0x99f/0x2d50 [ 76.148864] ? trace_hardirqs_on+0x10/0x10 [ 76.153097] ? rtnl_register+0x50/0x50 [ 76.157109] ? trace_hardirqs_on+0x10/0x10 [ 76.161338] ? is_bpf_text_address+0x7f/0x120 [ 76.165844] ? find_held_lock+0x35/0x130 [ 76.170008] ? is_bpf_text_address+0x7f/0x120 [ 76.174510] ? __lock_acquire+0x5f7/0x4620 [ 76.178752] ? __lock_acquire+0x5f7/0x4620 [ 76.183001] ? is_bpf_text_address+0xa6/0x120 [ 76.188103] ? trace_hardirqs_on+0x10/0x10 [ 76.192530] ? validate_nla+0x201/0x5f0 [ 76.196530] ? nla_parse+0x186/0x240 [ 76.200263] rtnl_newlink+0x11a7/0x1700 [ 76.204343] ? rtnl_link_unregister+0x200/0x200 [ 76.209113] ? avc_has_perm_noaudit+0x2b2/0x420 [ 76.213795] ? lock_acquire+0x16f/0x430 [ 76.217794] ? rtnetlink_rcv_msg+0x33a/0xb70 [ 76.222250] ? rtnl_link_unregister+0x200/0x200 [ 76.226941] rtnetlink_rcv_msg+0x3eb/0xb70 [ 76.231719] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 76.237960] ? netlink_deliver_tap+0x93/0x8f0 [ 76.243352] netlink_rcv_skb+0x14f/0x3c0 [ 76.247530] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 76.252121] ? lock_downgrade+0x740/0x740 [ 76.256269] ? netlink_ack+0x9a0/0x9a0 [ 76.260150] ? netlink_deliver_tap+0xba/0x8f0 [ 76.264658] rtnetlink_rcv+0x1d/0x30 [ 76.268376] netlink_unicast+0x45d/0x640 [ 76.273988] ? netlink_attachskb+0x6a0/0x6a0 [ 76.278579] ? security_netlink_send+0x81/0xb0 [ 76.283162] netlink_sendmsg+0x7c4/0xc60 [ 76.287345] ? netlink_unicast+0x640/0x640 [ 76.291572] ? security_socket_sendmsg+0x89/0xb0 [ 76.296829] ? netlink_unicast+0x640/0x640 [ 76.301057] sock_sendmsg+0xce/0x110 [ 76.304787] ___sys_sendmsg+0x70a/0x840 [ 76.308752] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 76.313512] ? __fget+0x210/0x370 [ 76.316960] ? find_held_lock+0x35/0x130 [ 76.321016] ? __fget+0x210/0x370 [ 76.324472] ? lock_downgrade+0x740/0x740 [ 76.328615] ? __fget+0x237/0x370 [ 76.332058] ? __fget_light+0x172/0x1f0 [ 76.336043] ? __fdget+0x1b/0x20 [ 76.339409] ? sockfd_lookup_light+0xb4/0x160 [ 76.343909] __sys_sendmsg+0xb9/0x140 [ 76.347729] ? SyS_shutdown+0x170/0x170 [ 76.351711] SyS_sendmsg+0x2d/0x50 [ 76.355259] ? __sys_sendmsg+0x140/0x140 [ 76.359352] do_syscall_64+0x1e8/0x640 [ 76.363240] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 76.368083] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 76.373287] RIP: 0033:0x459a59 [ 76.376471] RSP: 002b:00007f6098097c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 76.384170] RAX: ffffffffffffffda RBX: 00007f6098097c90 RCX: 0000000000459a59 [ 76.391447] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 76.398710] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 76.405977] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60980986d4 [ 76.413346] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 76.426392] batman_adv: batadv0: Adding interface: gretap0 [ 76.432168] batman_adv: batadv0: The MTU of interface gretap0 is too small (1462) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 76.457417] batman_adv: batadv0: Interface activated: gretap0 [ 76.466592] FAULT_INJECTION: forcing a failure. [ 76.466592] name failslab, interval 1, probability 0, space 0, times 0 [ 76.480392] CPU: 0 PID: 6999 Comm: syz-executor.2 Not tainted 4.14.147 #0 [ 76.487349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.496726] Call Trace: [ 76.499308] dump_stack+0x138/0x197 [ 76.503042] should_fail.cold+0x10f/0x159 [ 76.503055] should_failslab+0xdb/0x130 [ 76.503066] __kmalloc_track_caller+0x2ec/0x790 [ 76.511161] ? save_trace+0x290/0x290 [ 76.511170] ? kstrdup_const+0x48/0x60 [ 76.511180] kstrdup+0x3a/0x70 [ 76.511187] kstrdup_const+0x48/0x60 [ 76.511196] __kernfs_new_node+0x2f/0x420 [ 76.511207] kernfs_new_node+0x80/0xf0 [ 76.538435] kernfs_create_link+0x2c/0x170 [ 76.542661] sysfs_do_create_link_sd.isra.0+0x90/0x120 [ 76.547927] sysfs_create_link+0x65/0xc0 [ 76.552060] netdev_adjacent_sysfs_add+0xa7/0xd0 [ 76.556796] ? napi_disable+0x90/0x90 [ 76.560610] __netdev_adjacent_dev_insert+0x487/0x6a0 [ 76.566834] __netdev_upper_dev_link+0x1be/0x230 [ 76.571583] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 76.576338] ? lock_downgrade+0x740/0x740 [ 76.580484] netdev_master_upper_dev_link+0x32/0x40 [ 76.585507] batadv_hardif_enable_interface+0x1f1/0xa00 [ 76.590857] batadv_softif_slave_add+0x8b/0xf0 [ 76.595420] ? batadv_softif_slave_del+0xc0/0xc0 [ 76.600159] do_set_master+0x19f/0x200 [ 76.604038] do_setlink+0x99f/0x2d50 [ 76.607738] ? __lock_acquire+0x5f7/0x4620 [ 76.612054] ? rtnl_register+0x50/0x50 [ 76.615940] ? trace_hardirqs_on+0x10/0x10 [ 76.620172] ? trace_hardirqs_on+0x10/0x10 [ 76.624388] ? save_trace+0x290/0x290 [ 76.628182] ? __lock_acquire+0x5f7/0x4620 [ 76.633381] ? __lock_is_held+0xb6/0x140 [ 76.637435] ? find_held_lock+0x35/0x130 [ 76.641591] ? save_trace+0x290/0x290 [ 76.645384] ? __update_load_avg_se.isra.0+0x3ba/0x530 [ 76.651033] ? trace_hardirqs_on+0x10/0x10 [ 76.655264] ? validate_nla+0x201/0x5f0 [ 76.659606] ? nla_parse+0x186/0x240 [ 76.663340] rtnl_newlink+0x11a7/0x1700 [ 76.667324] ? rtnl_link_unregister+0x200/0x200 [ 76.672002] ? finish_task_switch+0x178/0x650 [ 76.676494] ? finish_task_switch+0x14d/0x650 [ 76.681237] ? __mutex_lock+0x951/0x1470 [ 76.685288] ? lock_downgrade+0x740/0x740 [ 76.689467] ? rtnl_link_unregister+0x200/0x200 [ 76.694569] rtnetlink_rcv_msg+0x3eb/0xb70 [ 76.699071] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 76.703743] ? netlink_deliver_tap+0x93/0x8f0 [ 76.708229] netlink_rcv_skb+0x14f/0x3c0 [ 76.712287] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 76.716898] ? lock_downgrade+0x740/0x740 [ 76.721227] ? netlink_ack+0x9a0/0x9a0 [ 76.725138] ? netlink_deliver_tap+0xba/0x8f0 [ 76.729636] rtnetlink_rcv+0x1d/0x30 [ 76.734051] netlink_unicast+0x45d/0x640 [ 76.738100] ? netlink_attachskb+0x6a0/0x6a0 [ 76.742498] ? security_netlink_send+0x81/0xb0 [ 76.747068] netlink_sendmsg+0x7c4/0xc60 [ 76.751127] ? netlink_unicast+0x640/0x640 [ 76.755348] ? security_socket_sendmsg+0x89/0xb0 [ 76.760097] ? netlink_unicast+0x640/0x640 [ 76.764498] sock_sendmsg+0xce/0x110 [ 76.768198] ___sys_sendmsg+0x70a/0x840 [ 76.772175] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 76.776933] ? __fget+0x210/0x370 [ 76.780379] ? find_held_lock+0x35/0x130 [ 76.784523] ? __fget+0x210/0x370 [ 76.787965] ? lock_downgrade+0x740/0x740 [ 76.793343] ? __fget+0x237/0x370 [ 76.797179] ? __fget_light+0x172/0x1f0 [ 76.801140] ? __fdget+0x1b/0x20 [ 76.804488] ? sockfd_lookup_light+0xb4/0x160 [ 76.809940] __sys_sendmsg+0xb9/0x140 [ 76.813923] ? SyS_shutdown+0x170/0x170 [ 76.817886] SyS_sendmsg+0x2d/0x50 [ 76.821410] ? __sys_sendmsg+0x140/0x140 [ 76.825457] do_syscall_64+0x1e8/0x640 [ 76.829346] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 76.834178] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 76.839446] RIP: 0033:0x459a59 [ 76.842621] RSP: 002b:00007faab91c2c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 76.850317] RAX: ffffffffffffffda RBX: 00007faab91c2c90 RCX: 0000000000459a59 [ 76.857585] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 76.864928] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 76.872186] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faab91c36d4 [ 76.880087] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 76.891796] FAULT_INJECTION: forcing a failure. [ 76.891796] name failslab, interval 1, probability 0, space 0, times 0 [ 76.903741] CPU: 0 PID: 7001 Comm: syz-executor.0 Not tainted 4.14.147 #0 [ 76.910692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.910701] Call Trace: [ 76.910715] dump_stack+0x138/0x197 [ 76.910729] should_fail.cold+0x10f/0x159 [ 76.910741] should_failslab+0xdb/0x130 [ 76.910750] kmem_cache_alloc+0x2d7/0x780 [ 76.910758] ? memcpy+0x46/0x50 [ 76.922861] ? kstrdup+0x5a/0x70 [ 76.922874] __kernfs_new_node+0x70/0x420 [ 76.922886] kernfs_new_node+0x80/0xf0 [ 76.922895] kernfs_create_link+0x2c/0x170 [ 76.922903] sysfs_do_create_link_sd.isra.0+0x90/0x120 [ 76.922917] sysfs_create_link+0x65/0xc0 [ 76.922928] netdev_adjacent_sysfs_add+0xa7/0xd0 [ 76.922937] ? napi_disable+0x90/0x90 [ 76.978929] __netdev_adjacent_dev_insert+0x487/0x6a0 [ 76.984604] __netdev_upper_dev_link+0x1be/0x230 [ 76.989360] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 76.994118] ? lock_downgrade+0x740/0x740 [ 76.998271] netdev_master_upper_dev_link+0x32/0x40 [ 77.003389] batadv_hardif_enable_interface+0x1f1/0xa00 [ 77.008755] batadv_softif_slave_add+0x8b/0xf0 [ 77.013328] ? batadv_softif_slave_del+0xc0/0xc0 [ 77.018215] do_set_master+0x19f/0x200 [ 77.022219] do_setlink+0x99f/0x2d50 [ 77.026141] ? find_held_lock+0x35/0x130 [ 77.030318] ? load_balance+0xf83/0x2250 [ 77.034460] ? rtnl_register+0x50/0x50 [ 77.038587] ? __lock_acquire+0x5f7/0x4620 [ 77.043688] ? lock_downgrade+0x740/0x740 [ 77.047937] ? lock_pin_lock+0x390/0x390 [ 77.052001] ? save_trace+0x290/0x290 [ 77.056341] ? __lock_acquire+0x5f7/0x4620 [ 77.060693] ? __lock_is_held+0xb6/0x140 [ 77.065719] ? save_trace+0x290/0x290 [ 77.069511] ? trace_hardirqs_on+0x10/0x10 [ 77.073841] ? validate_nla+0x201/0x5f0 [ 77.078713] ? nla_parse+0x186/0x240 [ 77.082628] rtnl_newlink+0x11a7/0x1700 [ 77.086600] ? rtnl_link_unregister+0x200/0x200 [ 77.091362] ? finish_task_switch+0x178/0x650 [ 77.096104] ? finish_task_switch+0x14d/0x650 [ 77.100605] ? __mutex_lock+0x951/0x1470 [ 77.104852] ? lock_downgrade+0x740/0x740 [ 77.109277] ? rtnl_link_unregister+0x200/0x200 [ 77.113964] rtnetlink_rcv_msg+0x3eb/0xb70 [ 77.118199] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 77.122783] ? netlink_deliver_tap+0x93/0x8f0 [ 77.127755] netlink_rcv_skb+0x14f/0x3c0 [ 77.132052] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 77.136628] ? lock_downgrade+0x740/0x740 [ 77.140773] ? netlink_ack+0x9a0/0x9a0 [ 77.144678] ? netlink_deliver_tap+0xba/0x8f0 [ 77.149195] rtnetlink_rcv+0x1d/0x30 [ 77.153181] netlink_unicast+0x45d/0x640 [ 77.157336] ? netlink_attachskb+0x6a0/0x6a0 [ 77.161923] ? security_netlink_send+0x81/0xb0 [ 77.166493] netlink_sendmsg+0x7c4/0xc60 [ 77.170607] ? netlink_unicast+0x640/0x640 [ 77.174841] ? security_socket_sendmsg+0x89/0xb0 [ 77.179591] ? netlink_unicast+0x640/0x640 [ 77.183813] sock_sendmsg+0xce/0x110 [ 77.188132] ___sys_sendmsg+0x70a/0x840 [ 77.192544] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 77.197473] ? __fget+0x210/0x370 [ 77.201002] ? find_held_lock+0x35/0x130 [ 77.205234] ? __fget+0x210/0x370 [ 77.208773] ? lock_downgrade+0x740/0x740 [ 77.212913] ? __fget+0x237/0x370 [ 77.217750] ? __fget_light+0x172/0x1f0 [ 77.221716] ? __fdget+0x1b/0x20 [ 77.225081] ? sockfd_lookup_light+0xb4/0x160 [ 77.229686] __sys_sendmsg+0xb9/0x140 [ 77.233918] ? SyS_shutdown+0x170/0x170 [ 77.238070] SyS_sendmsg+0x2d/0x50 [ 77.241602] ? __sys_sendmsg+0x140/0x140 [ 77.245759] do_syscall_64+0x1e8/0x640 [ 77.250178] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.255038] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 77.260940] RIP: 0033:0x459a59 [ 77.264141] RSP: 002b:00007fadd2a18c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 77.272296] RAX: ffffffffffffffda RBX: 00007fadd2a18c90 RCX: 0000000000459a59 [ 77.280187] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 77.288922] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 77.296374] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fadd2a196d4 [ 77.303724] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 77.313180] FAULT_INJECTION: forcing a failure. [ 77.313180] name failslab, interval 1, probability 0, space 0, times 0 [ 77.351706] CPU: 1 PID: 6997 Comm: syz-executor.1 Not tainted 4.14.147 #0 [ 77.359543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.368900] Call Trace: [ 77.371564] dump_stack+0x138/0x197 [ 77.375533] should_fail.cold+0x10f/0x159 [ 77.379672] should_failslab+0xdb/0x130 [ 77.383635] kmem_cache_alloc+0x2d7/0x780 [ 77.387866] ? memcpy+0x46/0x50 [ 77.392710] ? kstrdup+0x5a/0x70 [ 77.396072] __kernfs_new_node+0x70/0x420 [ 77.400218] kernfs_new_node+0x80/0xf0 [ 77.404109] kernfs_create_link+0x2c/0x170 [ 77.408682] sysfs_do_create_link_sd.isra.0+0x90/0x120 [ 77.413948] sysfs_create_link+0x65/0xc0 [ 77.418034] netdev_adjacent_sysfs_add+0xa7/0xd0 [ 77.422794] ? napi_disable+0x90/0x90 [ 77.427042] __netdev_adjacent_dev_insert+0x487/0x6a0 [ 77.433123] __netdev_upper_dev_link+0x1be/0x230 [ 77.438035] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 77.442907] ? lock_downgrade+0x740/0x740 [ 77.447064] netdev_master_upper_dev_link+0x32/0x40 [ 77.452087] batadv_hardif_enable_interface+0x1f1/0xa00 [ 77.458420] batadv_softif_slave_add+0x8b/0xf0 [ 77.463004] ? batadv_softif_slave_del+0xc0/0xc0 [ 77.467855] do_set_master+0x19f/0x200 [ 77.471755] do_setlink+0x99f/0x2d50 [ 77.475634] ? __lock_acquire+0x5f7/0x4620 [ 77.479947] ? rtnl_register+0x50/0x50 [ 77.484369] ? trace_hardirqs_on+0x10/0x10 [ 77.488713] ? trace_hardirqs_on+0x10/0x10 [ 77.492937] ? save_trace+0x290/0x290 [ 77.496729] ? mark_held_locks+0xb1/0x100 [ 77.501506] ? retint_kernel+0x2d/0x2d [ 77.505387] ? trace_hardirqs_on_caller+0x400/0x590 [ 77.510704] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 77.515656] ? retint_kernel+0x2d/0x2d [ 77.519533] ? validate_nla+0x201/0x5f0 [ 77.523527] ? nla_parse+0x186/0x240 [ 77.527242] rtnl_newlink+0x11a7/0x1700 [ 77.531221] ? rtnl_link_unregister+0x200/0x200 [ 77.535906] ? finish_task_switch+0x178/0x650 [ 77.540392] ? finish_task_switch+0x14d/0x650 [ 77.544884] ? __mutex_lock+0x951/0x1470 [ 77.548948] ? lock_downgrade+0x740/0x740 [ 77.553792] ? rtnl_link_unregister+0x200/0x200 [ 77.558467] rtnetlink_rcv_msg+0x3eb/0xb70 [ 77.562698] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 77.567274] ? netlink_deliver_tap+0x93/0x8f0 [ 77.572706] netlink_rcv_skb+0x14f/0x3c0 [ 77.578199] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 77.582787] ? lock_downgrade+0x740/0x740 [ 77.586936] ? netlink_ack+0x9a0/0x9a0 [ 77.590831] ? netlink_deliver_tap+0xba/0x8f0 [ 77.595326] rtnetlink_rcv+0x1d/0x30 [ 77.599134] netlink_unicast+0x45d/0x640 [ 77.603281] ? netlink_attachskb+0x6a0/0x6a0 [ 77.607684] ? security_netlink_send+0x81/0xb0 [ 77.612252] netlink_sendmsg+0x7c4/0xc60 [ 77.616386] ? netlink_unicast+0x640/0x640 [ 77.620738] ? security_socket_sendmsg+0x89/0xb0 [ 77.625683] ? netlink_unicast+0x640/0x640 [ 77.629965] sock_sendmsg+0xce/0x110 [ 77.634286] ___sys_sendmsg+0x70a/0x840 [ 77.638395] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 77.643160] ? __fget+0x210/0x370 [ 77.646630] ? find_held_lock+0x35/0x130 [ 77.650696] ? __fget+0x210/0x370 [ 77.654160] ? lock_downgrade+0x740/0x740 [ 77.658322] ? __fget+0x237/0x370 [ 77.661790] ? __fget_light+0x172/0x1f0 [ 77.665754] ? __fdget+0x1b/0x20 [ 77.669101] ? sockfd_lookup_light+0xb4/0x160 [ 77.673609] __sys_sendmsg+0xb9/0x140 [ 77.677399] ? SyS_shutdown+0x170/0x170 [ 77.681386] SyS_sendmsg+0x2d/0x50 [ 77.684928] ? __sys_sendmsg+0x140/0x140 [ 77.688989] do_syscall_64+0x1e8/0x640 [ 77.692869] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.697797] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 77.702985] RIP: 0033:0x459a59 [ 77.706158] RSP: 002b:00007f265ec82c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 77.713860] RAX: ffffffffffffffda RBX: 00007f265ec82c90 RCX: 0000000000459a59 [ 77.721122] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 77.728383] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 77.735636] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f265ec836d4 [ 77.742889] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 77.753955] FAULT_INJECTION: forcing a failure. [ 77.753955] name failslab, interval 1, probability 0, space 0, times 0 [ 77.766599] CPU: 0 PID: 7000 Comm: syz-executor.4 Not tainted 4.14.147 #0 [ 77.773552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.783539] Call Trace: [ 77.786224] dump_stack+0x138/0x197 [ 77.790111] should_fail.cold+0x10f/0x159 [ 77.795136] should_failslab+0xdb/0x130 [ 77.799108] kmem_cache_alloc_node_trace+0x280/0x770 [ 77.804214] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 77.809811] __kmalloc_node_track_caller+0x3d/0x80 [ 77.814765] __kmalloc_reserve.isra.0+0x40/0xe0 [ 77.819575] __alloc_skb+0xcf/0x500 [ 77.823188] ? skb_scrub_packet+0x4b0/0x4b0 [ 77.827614] ? if_nlmsg_size+0x38f/0x810 [ 77.831663] rtmsg_ifinfo_build_skb+0x72/0x140 [ 77.836230] rtmsg_ifinfo_event.part.0+0x35/0xc0 [ 77.841071] rtnetlink_event+0xf4/0x120 [ 77.845059] notifier_call_chain+0x111/0x1b0 [ 77.849475] raw_notifier_call_chain+0x2e/0x40 [ 77.854333] call_netdevice_notifiers_info+0x56/0x70 [ 77.859444] __netdev_upper_dev_link+0x1da/0x230 [ 77.864279] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 77.869035] ? lock_downgrade+0x740/0x740 [ 77.873173] netdev_master_upper_dev_link+0x32/0x40 [ 77.878188] batadv_hardif_enable_interface+0x1f1/0xa00 [ 77.883576] batadv_softif_slave_add+0x8b/0xf0 [ 77.888170] ? batadv_softif_slave_del+0xc0/0xc0 [ 77.893050] do_set_master+0x19f/0x200 [ 77.896935] do_setlink+0x99f/0x2d50 [ 77.900669] ? __lock_acquire+0x5f7/0x4620 [ 77.904903] ? rtnl_register+0x50/0x50 [ 77.909235] ? trace_hardirqs_on+0x10/0x10 [ 77.913467] ? trace_hardirqs_on+0x10/0x10 [ 77.917777] ? save_trace+0x290/0x290 [ 77.921613] ? __lock_acquire+0x5f7/0x4620 [ 77.925834] ? __lock_is_held+0xb6/0x140 [ 77.929878] ? find_held_lock+0x35/0x130 [ 77.933925] ? save_trace+0x290/0x290 [ 77.937713] ? trace_hardirqs_on+0x10/0x10 [ 77.941960] ? validate_nla+0x201/0x5f0 [ 77.945922] ? nla_parse+0x186/0x240 [ 77.949641] rtnl_newlink+0x11a7/0x1700 [ 77.953971] ? rtnl_link_unregister+0x200/0x200 [ 77.958638] ? finish_task_switch+0x178/0x650 [ 77.963331] ? finish_task_switch+0x14d/0x650 [ 77.967849] ? __mutex_lock+0x951/0x1470 [ 77.972276] ? lock_downgrade+0x740/0x740 [ 77.976455] ? rtnl_link_unregister+0x200/0x200 [ 77.981249] rtnetlink_rcv_msg+0x3eb/0xb70 [ 77.985827] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 77.990932] ? netlink_deliver_tap+0x93/0x8f0 [ 77.995788] netlink_rcv_skb+0x14f/0x3c0 [ 77.999948] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 78.004523] ? lock_downgrade+0x740/0x740 [ 78.008749] ? netlink_ack+0x9a0/0x9a0 [ 78.012636] ? netlink_deliver_tap+0xba/0x8f0 [ 78.018028] rtnetlink_rcv+0x1d/0x30 [ 78.021730] netlink_unicast+0x45d/0x640 [ 78.025875] ? netlink_attachskb+0x6a0/0x6a0 [ 78.030321] ? security_netlink_send+0x81/0xb0 [ 78.034898] netlink_sendmsg+0x7c4/0xc60 [ 78.038952] ? netlink_unicast+0x640/0x640 [ 78.043377] ? security_socket_sendmsg+0x89/0xb0 [ 78.048142] ? netlink_unicast+0x640/0x640 [ 78.052473] sock_sendmsg+0xce/0x110 [ 78.056576] ___sys_sendmsg+0x70a/0x840 [ 78.061061] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 78.065833] ? __fget+0x210/0x370 [ 78.070419] ? find_held_lock+0x35/0x130 [ 78.074575] ? __fget+0x210/0x370 [ 78.078026] ? lock_downgrade+0x740/0x740 [ 78.082358] ? __fget+0x237/0x370 [ 78.085915] ? __fget_light+0x172/0x1f0 [ 78.089905] ? __fdget+0x1b/0x20 [ 78.093749] ? sockfd_lookup_light+0xb4/0x160 [ 78.098511] __sys_sendmsg+0xb9/0x140 [ 78.102754] ? SyS_shutdown+0x170/0x170 [ 78.109405] SyS_sendmsg+0x2d/0x50 [ 78.113053] ? __sys_sendmsg+0x140/0x140 [ 78.117206] do_syscall_64+0x1e8/0x640 [ 78.121105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.126392] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 78.131582] RIP: 0033:0x459a59 [ 78.134762] RSP: 002b:00007f37efa19c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 78.147244] RAX: ffffffffffffffda RBX: 00007f37efa19c90 RCX: 0000000000459a59 [ 78.154950] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 78.162220] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 78.169478] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f37efa1a6d4 [ 78.176734] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 78.187803] batman_adv: batadv0: Adding interface: gretap0 2019/10/06 22:26:13 executed programs: 24 [ 78.194630] batman_adv: batadv0: The MTU of interface gretap0 is too small (1462) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 78.221363] batman_adv: batadv0: Interface activated: gretap0 [ 78.386415] FAULT_INJECTION: forcing a failure. [ 78.386415] name failslab, interval 1, probability 0, space 0, times 0 [ 78.425148] CPU: 1 PID: 7047 Comm: syz-executor.3 Not tainted 4.14.147 #0 [ 78.432116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.442121] Call Trace: [ 78.445216] dump_stack+0x138/0x197 [ 78.449218] should_fail.cold+0x10f/0x159 [ 78.453358] should_failslab+0xdb/0x130 [ 78.457410] kmem_cache_alloc_node_trace+0x280/0x770 [ 78.462510] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 78.467968] __kmalloc_node_track_caller+0x3d/0x80 [ 78.473528] __kmalloc_reserve.isra.0+0x40/0xe0 [ 78.478551] __alloc_skb+0xcf/0x500 [ 78.482366] ? skb_scrub_packet+0x4b0/0x4b0 [ 78.487146] ? if_nlmsg_size+0x38f/0x810 [ 78.491375] rtmsg_ifinfo_build_skb+0x72/0x140 [ 78.495952] rtmsg_ifinfo_event.part.0+0x35/0xc0 [ 78.500807] rtnetlink_event+0xf4/0x120 [ 78.505128] notifier_call_chain+0x111/0x1b0 [ 78.509712] raw_notifier_call_chain+0x2e/0x40 [ 78.514296] call_netdevice_notifiers_info+0x56/0x70 [ 78.519401] __netdev_upper_dev_link+0x1da/0x230 [ 78.524257] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 78.529216] ? lock_downgrade+0x740/0x740 [ 78.533451] netdev_master_upper_dev_link+0x32/0x40 [ 78.538848] batadv_hardif_enable_interface+0x1f1/0xa00 [ 78.544908] batadv_softif_slave_add+0x8b/0xf0 [ 78.549564] ? batadv_softif_slave_del+0xc0/0xc0 [ 78.554604] do_set_master+0x19f/0x200 [ 78.559363] do_setlink+0x99f/0x2d50 [ 78.563131] ? trace_hardirqs_on+0x10/0x10 [ 78.567361] ? rtnl_register+0x50/0x50 [ 78.571240] ? trace_hardirqs_on+0x10/0x10 [ 78.575643] ? is_bpf_text_address+0x7f/0x120 [ 78.580333] ? find_held_lock+0x35/0x130 [ 78.584922] ? is_bpf_text_address+0x7f/0x120 [ 78.590217] ? __lock_acquire+0x5f7/0x4620 [ 78.594621] ? __lock_acquire+0x5f7/0x4620 [ 78.598958] ? is_bpf_text_address+0xa6/0x120 [ 78.603557] ? trace_hardirqs_on+0x10/0x10 [ 78.607839] ? validate_nla+0x201/0x5f0 [ 78.611826] ? nla_parse+0x186/0x240 [ 78.615579] rtnl_newlink+0x11a7/0x1700 [ 78.619644] ? rtnl_link_unregister+0x200/0x200 [ 78.624311] ? avc_has_perm_noaudit+0x2b2/0x420 [ 78.629697] ? lock_acquire+0x16f/0x430 [ 78.634280] ? rtnetlink_rcv_msg+0x33a/0xb70 [ 78.638715] ? edac_pci_clear_parity_errors+0x28/0xd6 [ 78.643914] ? rtnl_link_unregister+0x200/0x200 [ 78.648617] rtnetlink_rcv_msg+0x3eb/0xb70 [ 78.652850] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 78.657659] ? netlink_deliver_tap+0x93/0x8f0 [ 78.662678] netlink_rcv_skb+0x14f/0x3c0 [ 78.666725] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 78.671301] ? lock_downgrade+0x740/0x740 [ 78.675465] ? netlink_ack+0x9a0/0x9a0 [ 78.679355] ? netlink_deliver_tap+0xba/0x8f0 [ 78.683846] rtnetlink_rcv+0x1d/0x30 [ 78.687552] netlink_unicast+0x45d/0x640 [ 78.691793] ? netlink_attachskb+0x6a0/0x6a0 [ 78.696197] ? security_netlink_send+0x81/0xb0 [ 78.700774] netlink_sendmsg+0x7c4/0xc60 [ 78.704829] ? netlink_unicast+0x640/0x640 [ 78.709692] ? security_socket_sendmsg+0x89/0xb0 [ 78.714705] ? netlink_unicast+0x640/0x640 [ 78.719224] sock_sendmsg+0xce/0x110 [ 78.722956] ___sys_sendmsg+0x70a/0x840 [ 78.727796] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 78.732553] ? __fget+0x210/0x370 [ 78.736009] ? find_held_lock+0x35/0x130 [ 78.740072] ? __fget+0x210/0x370 [ 78.743628] ? lock_downgrade+0x740/0x740 [ 78.747868] ? __fget+0x237/0x370 [ 78.751864] ? __fget_light+0x172/0x1f0 [ 78.755947] ? __fdget+0x1b/0x20 [ 78.759324] ? sockfd_lookup_light+0xb4/0x160 [ 78.763825] __sys_sendmsg+0xb9/0x140 [ 78.767708] ? SyS_shutdown+0x170/0x170 [ 78.771703] SyS_sendmsg+0x2d/0x50 [ 78.775329] ? __sys_sendmsg+0x140/0x140 [ 78.779825] do_syscall_64+0x1e8/0x640 [ 78.783790] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.788631] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 78.793824] RIP: 0033:0x459a59 [ 78.796995] RSP: 002b:00007f48e6f1bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 78.804691] RAX: ffffffffffffffda RBX: 00007f48e6f1bc90 RCX: 0000000000459a59 [ 78.812383] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 78.819639] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 78.826901] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f48e6f1c6d4 [ 78.834653] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 78.846219] batman_adv: batadv0: Adding interface: veth1 [ 78.852159] batman_adv: batadv0: The MTU of interface veth1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 78.877054] batman_adv: batadv0: Interface activated: veth1 [ 78.885141] FAULT_INJECTION: forcing a failure. [ 78.885141] name failslab, interval 1, probability 0, space 0, times 0 [ 78.899860] CPU: 1 PID: 7054 Comm: syz-executor.5 Not tainted 4.14.147 #0 [ 78.906830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.916187] Call Trace: [ 78.916203] dump_stack+0x138/0x197 [ 78.916219] should_fail.cold+0x10f/0x159 [ 78.916232] should_failslab+0xdb/0x130 [ 78.916241] kmem_cache_alloc_node_trace+0x5a/0x770 [ 78.916255] __kmalloc_node_track_caller+0x3d/0x80 [ 78.926585] __kmalloc_reserve.isra.0+0x40/0xe0 [ 78.926597] pskb_expand_head+0x116/0xc10 [ 78.926608] ? rtnl_fill_vfinfo+0xbd0/0xbd0 [ 78.926616] ? kasan_kmalloc+0xce/0xf0 [ 78.926627] netlink_trim+0x1c1/0x230 [ 78.961445] netlink_broadcast_filtered+0x5c/0x9f0 [ 78.966392] ? skb_scrub_packet+0x4b0/0x4b0 [ 78.970729] nlmsg_notify+0x7c/0x190 [ 78.974453] rtmsg_ifinfo_event.part.0+0xa1/0xc0 [ 78.979389] rtnetlink_event+0xf4/0x120 [ 78.984091] notifier_call_chain+0x111/0x1b0 [ 78.988578] raw_notifier_call_chain+0x2e/0x40 [ 78.993177] call_netdevice_notifiers_info+0x56/0x70 [ 78.998733] __netdev_upper_dev_link+0x1da/0x230 [ 79.004054] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 79.008812] ? lock_downgrade+0x740/0x740 [ 79.012963] netdev_master_upper_dev_link+0x32/0x40 [ 79.018002] batadv_hardif_enable_interface+0x1f1/0xa00 [ 79.023374] batadv_softif_slave_add+0x8b/0xf0 [ 79.028052] ? batadv_softif_slave_del+0xc0/0xc0 [ 79.032801] do_set_master+0x19f/0x200 [ 79.036703] do_setlink+0x99f/0x2d50 [ 79.040423] ? rtnl_register+0x50/0x50 [ 79.044395] ? trace_hardirqs_on+0x10/0x10 [ 79.048699] ? save_trace+0x290/0x290 [ 79.052485] ? find_held_lock+0x35/0x130 [ 79.056536] ? free_one_page+0x9e9/0x1040 [ 79.061136] ? find_held_lock+0x35/0x130 [ 79.065302] ? free_one_page+0x9e9/0x1040 [ 79.070152] ? lock_downgrade+0x740/0x740 [ 79.074298] ? __this_cpu_preempt_check+0x1d/0x30 [ 79.079150] ? validate_nla+0x201/0x5f0 [ 79.083307] ? nla_parse+0x186/0x240 [ 79.087181] rtnl_newlink+0x11a7/0x1700 [ 79.092043] ? rtnl_link_unregister+0x200/0x200 [ 79.096797] ? finish_task_switch+0x489/0x650 [ 79.101282] ? __mutex_lock+0x951/0x1470 [ 79.105443] ? lock_downgrade+0x740/0x740 [ 79.109624] ? rtnl_link_unregister+0x200/0x200 [ 79.114289] rtnetlink_rcv_msg+0x3eb/0xb70 [ 79.118529] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 79.123100] ? netlink_deliver_tap+0x93/0x8f0 [ 79.127678] netlink_rcv_skb+0x14f/0x3c0 [ 79.132019] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 79.136619] ? lock_downgrade+0x740/0x740 [ 79.140758] ? netlink_ack+0x9a0/0x9a0 [ 79.144897] ? netlink_deliver_tap+0xba/0x8f0 [ 79.149386] rtnetlink_rcv+0x1d/0x30 [ 79.153526] netlink_unicast+0x45d/0x640 [ 79.158182] ? netlink_attachskb+0x6a0/0x6a0 [ 79.162578] ? security_netlink_send+0x81/0xb0 [ 79.167147] netlink_sendmsg+0x7c4/0xc60 [ 79.172079] ? netlink_unicast+0x640/0x640 [ 79.176673] ? security_socket_sendmsg+0x89/0xb0 [ 79.181419] ? netlink_unicast+0x640/0x640 [ 79.185765] sock_sendmsg+0xce/0x110 [ 79.190776] ___sys_sendmsg+0x70a/0x840 [ 79.194746] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 79.199486] ? __fget+0x210/0x370 [ 79.203367] ? find_held_lock+0x35/0x130 [ 79.207435] ? __fget+0x210/0x370 [ 79.211065] ? lock_downgrade+0x740/0x740 [ 79.215479] ? __fget+0x237/0x370 [ 79.218918] ? __fget_light+0x172/0x1f0 [ 79.222977] ? __fdget+0x1b/0x20 [ 79.226326] ? sockfd_lookup_light+0xb4/0x160 [ 79.230827] __sys_sendmsg+0xb9/0x140 [ 79.234894] ? SyS_shutdown+0x170/0x170 [ 79.239058] SyS_sendmsg+0x2d/0x50 [ 79.242946] ? __sys_sendmsg+0x140/0x140 [ 79.247990] do_syscall_64+0x1e8/0x640 [ 79.251975] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 79.257348] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 79.262637] RIP: 0033:0x459a59 [ 79.265911] RSP: 002b:00007f6098097c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 79.273717] RAX: ffffffffffffffda RBX: 00007f6098097c90 RCX: 0000000000459a59 [ 79.281698] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 79.292531] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 79.299861] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60980986d4 [ 79.307119] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 79.332478] batman_adv: batadv0: Adding interface: ip6gretap0 [ 79.346186] batman_adv: batadv0: The MTU of interface ip6gretap0 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 79.374066] batman_adv: batadv0: Interface activated: ip6gretap0 [ 79.383807] FAULT_INJECTION: forcing a failure. [ 79.383807] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 79.396602] CPU: 0 PID: 7058 Comm: syz-executor.0 Not tainted 4.14.147 #0 [ 79.403538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.403542] Call Trace: [ 79.403557] dump_stack+0x138/0x197 [ 79.403571] should_fail.cold+0x10f/0x159 [ 79.403582] __alloc_pages_nodemask+0x1d6/0x7a0 [ 79.403592] ? __alloc_pages_slowpath+0x2930/0x2930 [ 79.403609] cache_grow_begin+0x80/0x400 [ 79.417248] kmem_cache_alloc_node+0x6a4/0x780 [ 79.417265] __alloc_skb+0x9c/0x500 [ 79.417273] ? skb_scrub_packet+0x4b0/0x4b0 [ 79.417281] ? if_nlmsg_size+0x38f/0x810 [ 79.417290] rtmsg_ifinfo_build_skb+0x72/0x140 [ 79.417300] rtmsg_ifinfo_event.part.0+0x35/0xc0 [ 79.425148] rtnetlink_event+0xf4/0x120 [ 79.425160] notifier_call_chain+0x111/0x1b0 [ 79.425173] raw_notifier_call_chain+0x2e/0x40 [ 79.425183] call_netdevice_notifiers_info+0x56/0x70 [ 79.425195] __netdev_upper_dev_link+0x1da/0x230 [ 79.489011] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 79.493764] ? lock_downgrade+0x740/0x740 [ 79.497909] netdev_master_upper_dev_link+0x32/0x40 [ 79.502941] batadv_hardif_enable_interface+0x1f1/0xa00 [ 79.508850] batadv_softif_slave_add+0x8b/0xf0 [ 79.513441] ? batadv_softif_slave_del+0xc0/0xc0 [ 79.518205] do_set_master+0x19f/0x200 [ 79.522096] do_setlink+0x99f/0x2d50 [ 79.525803] ? unwind_get_return_address+0x61/0xa0 [ 79.530810] ? __save_stack_trace+0x7b/0xd0 [ 79.535126] ? rtnl_register+0x50/0x50 [ 79.539280] ? trace_hardirqs_on+0x10/0x10 [ 79.543524] ? save_stack+0xa9/0xd0 [ 79.547172] ? save_trace+0x290/0x290 [ 79.551066] ? find_held_lock+0x35/0x130 [ 79.555822] ? free_one_page+0x9e9/0x1040 [ 79.559989] ? find_held_lock+0x35/0x130 [ 79.564253] ? free_one_page+0x9e9/0x1040 [ 79.568459] ? lock_downgrade+0x740/0x740 [ 79.572696] ? __this_cpu_preempt_check+0x1d/0x30 [ 79.577573] ? validate_nla+0x201/0x5f0 [ 79.581657] ? nla_parse+0x186/0x240 [ 79.585371] rtnl_newlink+0x11a7/0x1700 [ 79.589386] ? rtnl_link_unregister+0x200/0x200 [ 79.594053] ? finish_task_switch+0x489/0x650 [ 79.598576] ? __mutex_lock+0x951/0x1470 [ 79.602637] ? lock_downgrade+0x740/0x740 [ 79.607391] ? rtnl_link_unregister+0x200/0x200 [ 79.612060] rtnetlink_rcv_msg+0x3eb/0xb70 [ 79.616739] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 79.621322] ? netlink_deliver_tap+0x93/0x8f0 [ 79.625818] netlink_rcv_skb+0x14f/0x3c0 [ 79.629865] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 79.634455] ? lock_downgrade+0x740/0x740 [ 79.638610] ? netlink_ack+0x9a0/0x9a0 [ 79.642484] ? netlink_deliver_tap+0xba/0x8f0 [ 79.646968] rtnetlink_rcv+0x1d/0x30 [ 79.650689] netlink_unicast+0x45d/0x640 [ 79.654746] ? netlink_attachskb+0x6a0/0x6a0 [ 79.659330] ? security_netlink_send+0x81/0xb0 [ 79.663915] netlink_sendmsg+0x7c4/0xc60 [ 79.668084] ? netlink_unicast+0x640/0x640 [ 79.672330] ? security_socket_sendmsg+0x89/0xb0 [ 79.677075] ? netlink_unicast+0x640/0x640 [ 79.681306] sock_sendmsg+0xce/0x110 [ 79.685015] ___sys_sendmsg+0x70a/0x840 [ 79.689027] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 79.693774] ? __fget+0x210/0x370 [ 79.697217] ? find_held_lock+0x35/0x130 [ 79.701262] ? __fget+0x210/0x370 [ 79.704731] ? lock_downgrade+0x740/0x740 [ 79.708872] ? __fget+0x237/0x370 [ 79.712365] ? __fget_light+0x172/0x1f0 [ 79.716330] ? __fdget+0x1b/0x20 [ 79.719698] ? sockfd_lookup_light+0xb4/0x160 [ 79.724193] __sys_sendmsg+0xb9/0x140 [ 79.727997] ? SyS_shutdown+0x170/0x170 [ 79.732027] SyS_sendmsg+0x2d/0x50 [ 79.735561] ? __sys_sendmsg+0x140/0x140 [ 79.739618] do_syscall_64+0x1e8/0x640 [ 79.743505] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 79.748442] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 79.753644] RIP: 0033:0x459a59 [ 79.756834] RSP: 002b:00007fadd2a18c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 79.764545] RAX: ffffffffffffffda RBX: 00007fadd2a18c90 RCX: 0000000000459a59 [ 79.771817] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 79.779147] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 79.787038] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fadd2a196d4 [ 79.794656] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 79.805136] batman_adv: batadv0: Adding interface: ip6gretap0 [ 79.811459] batman_adv: batadv0: The MTU of interface ip6gretap0 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 79.837705] batman_adv: batadv0: Interface activated: ip6gretap0 [ 79.848400] device bridge_slave_0 left promiscuous mode [ 79.854029] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.860497] FAULT_INJECTION: forcing a failure. [ 79.860497] name failslab, interval 1, probability 0, space 0, times 0 [ 79.860524] CPU: 0 PID: 7066 Comm: syz-executor.3 Not tainted 4.14.147 #0 [ 79.860529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.860532] Call Trace: [ 79.860545] dump_stack+0x138/0x197 [ 79.860560] should_fail.cold+0x10f/0x159 [ 79.860573] should_failslab+0xdb/0x130 [ 79.860586] kmem_cache_alloc_node+0x56/0x780 [ 79.907107] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 79.912210] __alloc_skb+0x9c/0x500 [ 79.915832] ? skb_scrub_packet+0x4b0/0x4b0 [ 79.920136] ? check_preemption_disabled+0x3c/0x250 [ 79.925139] fdb_notify+0x8e/0x150 [ 79.928667] fdb_delete+0x15e/0x430 [ 79.932316] br_fdb_delete_by_port+0x1b5/0x200 [ 79.936915] br_stp_disable_port+0xf6/0x180 [ 79.941246] del_nbp+0x128/0x8b0 [ 79.944621] br_del_if+0xdf/0x470 [ 79.948072] ? save_trace+0x290/0x290 [ 79.951867] br_del_slave+0x21/0x30 [ 79.951875] ? br_fix_features+0x30/0x30 [ 79.951882] do_set_master+0xd5/0x200 [ 79.951890] do_setlink+0x99f/0x2d50 [ 79.951902] ? rtnl_register+0x50/0x50 [ 79.951912] ? __lock_acquire+0x5f7/0x4620 [ 79.970963] ? __lock_acquire+0x5f7/0x4620 [ 79.970973] ? unwind_get_return_address+0x61/0xa0 [ 79.970982] ? __save_stack_trace+0x7b/0xd0 [ 79.970999] ? trace_hardirqs_on+0x10/0x10 [ 79.971007] ? save_stack+0xa9/0xd0 [ 79.971016] ? save_trace+0x290/0x290 [ 79.971024] ? find_held_lock+0x35/0x130 [ 79.971035] ? free_one_page+0x9e9/0x1040 [ 79.971041] ? find_held_lock+0x35/0x130 [ 79.971098] ? free_one_page+0x9e9/0x1040 [ 79.979530] rtnl_newlink+0x11a7/0x1700 [ 79.979542] ? lock_downgrade+0x740/0x740 [ 79.979553] ? __this_cpu_preempt_check+0x1d/0x30 [ 79.979565] ? validate_nla+0x201/0x5f0 [ 79.979576] ? nla_parse+0x186/0x240 [ 79.979587] ? memset+0x32/0x40 [ 79.979595] ? rtnl_newlink+0x8d8/0x1700 [ 79.979612] ? rtnl_link_unregister+0x200/0x200 [ 79.979621] ? finish_task_switch+0x489/0x650 [ 80.054501] ? __mutex_lock+0x951/0x1470 [ 80.058568] ? lock_downgrade+0x740/0x740 [ 80.062744] ? intel_psr_init+0x348/0x61e [ 80.066911] ? rtnl_link_unregister+0x200/0x200 [ 80.071571] rtnetlink_rcv_msg+0x3eb/0xb70 [ 80.075795] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 80.080369] ? netlink_deliver_tap+0x93/0x8f0 [ 80.084866] netlink_rcv_skb+0x14f/0x3c0 [ 80.088931] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 80.093514] ? lock_downgrade+0x740/0x740 [ 80.097673] ? netlink_ack+0x9a0/0x9a0 [ 80.101553] ? netlink_deliver_tap+0xba/0x8f0 [ 80.106048] rtnetlink_rcv+0x1d/0x30 [ 80.110377] netlink_unicast+0x45d/0x640 [ 80.114440] ? netlink_attachskb+0x6a0/0x6a0 [ 80.118849] ? security_netlink_send+0x81/0xb0 [ 80.123524] netlink_sendmsg+0x7c4/0xc60 [ 80.127580] ? netlink_unicast+0x640/0x640 [ 80.131816] ? security_socket_sendmsg+0x89/0xb0 [ 80.136568] ? netlink_unicast+0x640/0x640 [ 80.140795] sock_sendmsg+0xce/0x110 [ 80.144502] ___sys_sendmsg+0x70a/0x840 [ 80.148469] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 80.153222] ? __fget+0x210/0x370 [ 80.156660] ? find_held_lock+0x35/0x130 [ 80.160709] ? __fget+0x210/0x370 [ 80.164155] ? lock_downgrade+0x740/0x740 [ 80.168286] ? __fget+0x237/0x370 [ 80.171726] ? __fget_light+0x172/0x1f0 [ 80.175704] ? __fdget+0x1b/0x20 [ 80.179083] ? sockfd_lookup_light+0xb4/0x160 [ 80.183569] __sys_sendmsg+0xb9/0x140 [ 80.187352] ? SyS_shutdown+0x170/0x170 [ 80.191325] SyS_sendmsg+0x2d/0x50 [ 80.194850] ? __sys_sendmsg+0x140/0x140 [ 80.198979] do_syscall_64+0x1e8/0x640 [ 80.202907] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 80.207780] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 80.212950] RIP: 0033:0x459a59 [ 80.216117] RSP: 002b:00007f48e6f1bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 80.223808] RAX: ffffffffffffffda RBX: 00007f48e6f1bc90 RCX: 0000000000459a59 [ 80.231071] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 80.238337] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 80.245712] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f48e6f1c6d4 [ 80.252974] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 80.296820] batman_adv: batadv0: Adding interface: bridge_slave_0 [ 80.303684] batman_adv: batadv0: The MTU of interface bridge_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 80.329582] batman_adv: batadv0: Interface activated: bridge_slave_0 [ 80.337251] FAULT_INJECTION: forcing a failure. [ 80.337251] name failslab, interval 1, probability 0, space 0, times 0 [ 80.348648] CPU: 0 PID: 7067 Comm: syz-executor.1 Not tainted 4.14.147 #0 [ 80.355577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.364930] Call Trace: [ 80.364947] dump_stack+0x138/0x197 [ 80.364960] should_fail.cold+0x10f/0x159 [ 80.364970] should_failslab+0xdb/0x130 [ 80.364980] __kmalloc_track_caller+0x2ec/0x790 [ 80.364989] ? save_trace+0x290/0x290 [ 80.365000] ? kstrdup_const+0x48/0x60 [ 80.391716] kstrdup+0x3a/0x70 [ 80.394891] kstrdup_const+0x48/0x60 [ 80.398597] __kernfs_new_node+0x2f/0x420 [ 80.403050] kernfs_new_node+0x80/0xf0 [ 80.406984] kernfs_create_link+0x2c/0x170 [ 80.411273] sysfs_do_create_link_sd.isra.0+0x90/0x120 [ 80.416553] sysfs_create_link+0x65/0xc0 [ 80.420601] netdev_adjacent_sysfs_add+0xa7/0xd0 [ 80.425345] ? napi_disable+0x90/0x90 [ 80.429135] __netdev_adjacent_dev_insert+0x487/0x6a0 [ 80.434312] __netdev_upper_dev_link+0x1be/0x230 [ 80.439094] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 80.443848] ? lock_downgrade+0x740/0x740 [ 80.447984] netdev_master_upper_dev_link+0x32/0x40 [ 80.453075] batadv_hardif_enable_interface+0x1f1/0xa00 [ 80.458423] batadv_softif_slave_add+0x8b/0xf0 [ 80.462991] ? batadv_softif_slave_del+0xc0/0xc0 [ 80.467740] do_set_master+0x19f/0x200 [ 80.471614] do_setlink+0x99f/0x2d50 [ 80.475314] ? rtnl_register+0x50/0x50 [ 80.479194] ? __lock_acquire+0x5f7/0x4620 [ 80.483415] ? find_next_bit+0x28/0x30 [ 80.487283] ? cpumask_next+0x35/0x40 [ 80.491077] ? cpumask_next_and+0x89/0xb0 [ 80.495474] ? __lock_acquire+0x5f7/0x4620 [ 80.499720] ? save_trace+0x290/0x290 [ 80.503580] ? trace_hardirqs_on+0x10/0x10 [ 80.507925] ? validate_nla+0x201/0x5f0 [ 80.511892] ? nla_parse+0x186/0x240 [ 80.515604] rtnl_newlink+0x11a7/0x1700 [ 80.519567] ? rtnl_link_unregister+0x200/0x200 [ 80.524229] ? finish_task_switch+0x178/0x650 [ 80.528739] ? finish_task_switch+0x14d/0x650 [ 80.533247] ? __mutex_lock+0x951/0x1470 [ 80.537301] ? lock_downgrade+0x740/0x740 [ 80.541464] ? rtnl_link_unregister+0x200/0x200 [ 80.546116] rtnetlink_rcv_msg+0x3eb/0xb70 [ 80.550348] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 80.555033] ? netlink_deliver_tap+0x93/0x8f0 [ 80.559526] netlink_rcv_skb+0x14f/0x3c0 [ 80.563578] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 80.568171] ? lock_downgrade+0x740/0x740 [ 80.572303] ? netlink_ack+0x9a0/0x9a0 [ 80.576184] ? netlink_deliver_tap+0xba/0x8f0 [ 80.580689] rtnetlink_rcv+0x1d/0x30 [ 80.584398] netlink_unicast+0x45d/0x640 [ 80.588453] ? netlink_attachskb+0x6a0/0x6a0 [ 80.592852] ? security_netlink_send+0x81/0xb0 [ 80.597434] netlink_sendmsg+0x7c4/0xc60 [ 80.601483] ? netlink_unicast+0x640/0x640 [ 80.605705] ? security_socket_sendmsg+0x89/0xb0 [ 80.610444] ? netlink_unicast+0x640/0x640 [ 80.614674] sock_sendmsg+0xce/0x110 [ 80.618374] ___sys_sendmsg+0x70a/0x840 [ 80.622329] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 80.627084] ? __fget+0x210/0x370 [ 80.630537] ? find_held_lock+0x35/0x130 [ 80.634603] ? __fget+0x210/0x370 [ 80.638046] ? lock_downgrade+0x740/0x740 [ 80.642180] ? __fget+0x237/0x370 [ 80.645617] ? __fget_light+0x172/0x1f0 [ 80.649577] ? __fdget+0x1b/0x20 [ 80.652956] ? sockfd_lookup_light+0xb4/0x160 [ 80.657433] __sys_sendmsg+0xb9/0x140 [ 80.661230] ? SyS_shutdown+0x170/0x170 [ 80.665204] SyS_sendmsg+0x2d/0x50 [ 80.668752] ? __sys_sendmsg+0x140/0x140 [ 80.672809] do_syscall_64+0x1e8/0x640 [ 80.676690] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 80.681526] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 80.686733] RIP: 0033:0x459a59 [ 80.689915] RSP: 002b:00007f265ec82c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 80.698055] RAX: ffffffffffffffda RBX: 00007f265ec82c90 RCX: 0000000000459a59 [ 80.705538] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 80.712803] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 80.720061] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f265ec836d4 [ 80.727327] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 80.739996] FAULT_INJECTION: forcing a failure. [ 80.739996] name failslab, interval 1, probability 0, space 0, times 0 [ 80.754037] CPU: 1 PID: 7072 Comm: syz-executor.2 Not tainted 4.14.147 #0 [ 80.760982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.760987] Call Trace: [ 80.761001] dump_stack+0x138/0x197 [ 80.761014] should_fail.cold+0x10f/0x159 [ 80.761025] should_failslab+0xdb/0x130 [ 80.761035] kmem_cache_alloc_node+0x287/0x780 [ 80.761049] __alloc_skb+0x9c/0x500 [ 80.761056] ? skb_scrub_packet+0x4b0/0x4b0 [ 80.761062] ? if_nlmsg_size+0x38f/0x810 [ 80.761073] rtmsg_ifinfo_build_skb+0x72/0x140 [ 80.761083] rtmsg_ifinfo_event.part.0+0x35/0xc0 [ 80.761094] rtnetlink_event+0xf4/0x120 [ 80.815745] notifier_call_chain+0x111/0x1b0 [ 80.820142] raw_notifier_call_chain+0x2e/0x40 [ 80.824712] call_netdevice_notifiers_info+0x56/0x70 [ 80.829819] __netdev_upper_dev_link+0x1da/0x230 [ 80.834567] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 80.839333] ? lock_downgrade+0x740/0x740 [ 80.843468] netdev_master_upper_dev_link+0x32/0x40 [ 80.848488] batadv_hardif_enable_interface+0x1f1/0xa00 [ 80.853850] batadv_softif_slave_add+0x8b/0xf0 [ 80.858426] ? batadv_softif_slave_del+0xc0/0xc0 [ 80.863172] do_set_master+0x19f/0x200 [ 80.867041] do_setlink+0x99f/0x2d50 [ 80.870753] ? __lock_acquire+0x5f7/0x4620 [ 80.875006] ? rtnl_register+0x50/0x50 [ 80.878894] ? trace_hardirqs_on+0x10/0x10 [ 80.883123] ? trace_hardirqs_on+0x10/0x10 [ 80.887443] ? save_trace+0x290/0x290 [ 80.891324] ? __lock_acquire+0x5f7/0x4620 [ 80.895551] ? __lock_is_held+0xb6/0x140 [ 80.899611] ? find_held_lock+0x35/0x130 [ 80.903765] ? save_trace+0x290/0x290 [ 80.907638] ? trace_hardirqs_on+0x10/0x10 [ 80.911868] ? validate_nla+0x201/0x5f0 [ 80.915862] ? nla_parse+0x186/0x240 [ 80.919564] rtnl_newlink+0x11a7/0x1700 [ 80.923527] ? rtnl_link_unregister+0x200/0x200 [ 80.928193] ? finish_task_switch+0x178/0x650 [ 80.932688] ? finish_task_switch+0x14d/0x650 [ 80.937176] ? __mutex_lock+0x951/0x1470 [ 80.941228] ? lock_downgrade+0x740/0x740 [ 80.945405] ? vfio_iommu_type1_attach_group+0x4b8/0x19af [ 80.950967] ? rtnl_link_unregister+0x200/0x200 [ 80.955825] rtnetlink_rcv_msg+0x3eb/0xb70 [ 80.960064] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 80.964828] ? netlink_deliver_tap+0x93/0x8f0 [ 80.969318] netlink_rcv_skb+0x14f/0x3c0 [ 80.973411] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 80.978995] ? lock_downgrade+0x740/0x740 [ 80.983224] ? netlink_ack+0x9a0/0x9a0 [ 80.987296] ? netlink_deliver_tap+0xba/0x8f0 [ 80.991875] rtnetlink_rcv+0x1d/0x30 [ 80.995593] netlink_unicast+0x45d/0x640 [ 80.999753] ? netlink_attachskb+0x6a0/0x6a0 [ 81.004265] ? security_netlink_send+0x81/0xb0 [ 81.009319] netlink_sendmsg+0x7c4/0xc60 [ 81.013471] ? netlink_unicast+0x640/0x640 [ 81.017836] ? security_socket_sendmsg+0x89/0xb0 [ 81.023381] ? netlink_unicast+0x640/0x640 [ 81.028324] sock_sendmsg+0xce/0x110 [ 81.032232] ___sys_sendmsg+0x70a/0x840 [ 81.036913] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 81.041751] ? __fget+0x210/0x370 [ 81.045197] ? find_held_lock+0x35/0x130 [ 81.049246] ? __fget+0x210/0x370 [ 81.052692] ? lock_downgrade+0x740/0x740 [ 81.056864] ? __fget+0x237/0x370 [ 81.060323] ? __fget_light+0x172/0x1f0 [ 81.064296] ? __fdget+0x1b/0x20 [ 81.067654] ? sockfd_lookup_light+0xb4/0x160 [ 81.072155] __sys_sendmsg+0xb9/0x140 [ 81.076001] ? SyS_shutdown+0x170/0x170 [ 81.079978] SyS_sendmsg+0x2d/0x50 [ 81.083517] ? __sys_sendmsg+0x140/0x140 [ 81.087592] do_syscall_64+0x1e8/0x640 [ 81.091469] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 81.096311] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 81.101495] RIP: 0033:0x459a59 [ 81.104673] RSP: 002b:00007faab91c2c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 81.112384] RAX: ffffffffffffffda RBX: 00007faab91c2c90 RCX: 0000000000459a59 [ 81.119649] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 81.127949] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 81.135204] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faab91c36d4 [ 81.142466] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 81.152628] batman_adv: batadv0: Adding interface: ip6gretap0 [ 81.158858] batman_adv: batadv0: The MTU of interface ip6gretap0 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 81.183939] batman_adv: batadv0: Interface activated: ip6gretap0 [ 81.192883] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready [ 81.199920] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready [ 81.221059] device bridge_slave_1 left promiscuous mode [ 81.226676] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.233051] FAULT_INJECTION: forcing a failure. [ 81.233051] name failslab, interval 1, probability 0, space 0, times 0 [ 81.233061] CPU: 1 PID: 7089 Comm: syz-executor.3 Not tainted 4.14.147 #0 [ 81.233065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.233068] Call Trace: [ 81.233081] dump_stack+0x138/0x197 [ 81.233096] should_fail.cold+0x10f/0x159 [ 81.233107] should_failslab+0xdb/0x130 [ 81.233116] kmem_cache_alloc_node+0x56/0x780 [ 81.233129] __alloc_skb+0x9c/0x500 [ 81.233137] ? skb_scrub_packet+0x4b0/0x4b0 [ 81.233150] br_ifinfo_notify.part.0+0x8f/0x180 [ 81.233159] br_ifinfo_notify+0x28/0x40 [ 81.233168] br_stp_disable_port+0xc3/0x180 [ 81.233178] del_nbp+0x128/0x8b0 [ 81.233191] br_del_if+0xdf/0x470 [ 81.233202] br_del_slave+0x21/0x30 [ 81.233208] ? br_fix_features+0x30/0x30 [ 81.233215] do_set_master+0xd5/0x200 [ 81.233223] do_setlink+0x99f/0x2d50 [ 81.233232] ? save_trace+0x290/0x290 [ 81.233243] ? rtnl_register+0x50/0x50 [ 81.260825] ? save_trace+0x290/0x290 [ 81.260838] ? check_preemption_disabled+0x3c/0x250 [ 81.260848] ? load_balance+0xf83/0x2250 [ 81.260856] ? find_held_lock+0x35/0x130 [ 81.260864] ? load_balance+0xf83/0x2250 [ 81.260876] ? __lock_acquire+0x5f7/0x4620 [ 81.260883] ? lock_downgrade+0x740/0x740 [ 81.260891] ? lock_pin_lock+0x390/0x390 [ 81.260901] ? save_trace+0x290/0x290 [ 81.260910] ? __lock_acquire+0x5f7/0x4620 [ 81.260917] ? __lock_is_held+0xb6/0x140 [ 81.260929] rtnl_newlink+0x11a7/0x1700 [ 81.260941] ? trace_hardirqs_on+0x10/0x10 [ 81.260951] ? validate_nla+0x201/0x5f0 [ 81.260961] ? nla_parse+0x186/0x240 [ 81.260969] ? memset+0x32/0x40 [ 81.260976] ? rtnl_newlink+0x8d8/0x1700 [ 81.260990] ? rtnl_link_unregister+0x200/0x200 [ 81.260998] ? finish_task_switch+0x178/0x650 [ 81.261004] ? finish_task_switch+0x14d/0x650 [ 81.261012] ? __mutex_lock+0x951/0x1470 [ 81.261028] ? lock_downgrade+0x740/0x740 [ 81.334143] ? rtnl_link_unregister+0x200/0x200 [ 81.334152] rtnetlink_rcv_msg+0x3eb/0xb70 [ 81.334163] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 81.334176] ? netlink_deliver_tap+0x93/0x8f0 [ 81.347294] netlink_rcv_skb+0x14f/0x3c0 [ 81.347305] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 81.347324] ? lock_downgrade+0x740/0x740 [ 81.452050] ? netlink_ack+0x9a0/0x9a0 [ 81.455925] ? netlink_deliver_tap+0xba/0x8f0 [ 81.460415] rtnetlink_rcv+0x1d/0x30 [ 81.464131] netlink_unicast+0x45d/0x640 [ 81.468184] ? netlink_attachskb+0x6a0/0x6a0 [ 81.472714] ? security_netlink_send+0x81/0xb0 [ 81.477299] netlink_sendmsg+0x7c4/0xc60 [ 81.481367] ? netlink_unicast+0x640/0x640 [ 81.485598] ? security_socket_sendmsg+0x89/0xb0 [ 81.490348] ? netlink_unicast+0x640/0x640 [ 81.494577] sock_sendmsg+0xce/0x110 [ 81.498288] ___sys_sendmsg+0x70a/0x840 [ 81.502255] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 81.507000] ? __fget+0x210/0x370 [ 81.510448] ? find_held_lock+0x35/0x130 [ 81.514501] ? __fget+0x210/0x370 [ 81.517946] ? lock_downgrade+0x740/0x740 [ 81.522085] ? __fget+0x237/0x370 [ 81.525533] ? __fget_light+0x172/0x1f0 [ 81.529495] ? __fdget+0x1b/0x20 [ 81.532856] ? sockfd_lookup_light+0xb4/0x160 [ 81.537348] __sys_sendmsg+0xb9/0x140 [ 81.541149] ? SyS_shutdown+0x170/0x170 [ 81.545123] SyS_sendmsg+0x2d/0x50 [ 81.548643] ? __sys_sendmsg+0x140/0x140 [ 81.552686] do_syscall_64+0x1e8/0x640 [ 81.556574] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 81.561854] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 81.567051] RIP: 0033:0x459a59 [ 81.570237] RSP: 002b:00007f48e6f1bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 81.577941] RAX: ffffffffffffffda RBX: 00007f48e6f1bc90 RCX: 0000000000459a59 [ 81.585203] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 81.592470] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 81.599723] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f48e6f1c6d4 [ 81.606983] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 81.633365] batman_adv: batadv0: Adding interface: bridge_slave_1 [ 81.639716] batman_adv: batadv0: The MTU of interface bridge_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 81.665245] batman_adv: batadv0: Interface activated: bridge_slave_1 [ 81.672425] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready [ 81.679418] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready [ 81.696177] FAULT_INJECTION: forcing a failure. [ 81.696177] name failslab, interval 1, probability 0, space 0, times 0 [ 81.708333] CPU: 0 PID: 7099 Comm: syz-executor.5 Not tainted 4.14.147 #0 [ 81.715276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.715281] Call Trace: [ 81.715299] dump_stack+0x138/0x197 [ 81.715314] should_fail.cold+0x10f/0x159 [ 81.715327] should_failslab+0xdb/0x130 [ 81.715340] kmem_cache_alloc+0x2d7/0x780 [ 81.730865] ? memcpy+0x46/0x50 [ 81.730877] ? kstrdup+0x5a/0x70 [ 81.730889] __kernfs_new_node+0x70/0x420 [ 81.730901] kernfs_new_node+0x80/0xf0 [ 81.730911] kernfs_create_link+0x2c/0x170 [ 81.730920] sysfs_do_create_link_sd.isra.0+0x90/0x120 [ 81.730930] sysfs_create_link+0x65/0xc0 [ 81.730942] netdev_adjacent_sysfs_add+0xa7/0xd0 [ 81.730948] ? napi_disable+0x90/0x90 [ 81.730960] __netdev_adjacent_dev_insert+0x487/0x6a0 [ 81.785313] __netdev_upper_dev_link+0x1be/0x230 [ 81.790055] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 81.794796] ? lock_downgrade+0x740/0x740 [ 81.798927] netdev_master_upper_dev_link+0x32/0x40 [ 81.803927] batadv_hardif_enable_interface+0x1f1/0xa00 [ 81.809288] batadv_softif_slave_add+0x8b/0xf0 [ 81.813858] ? batadv_softif_slave_del+0xc0/0xc0 [ 81.818592] do_set_master+0x19f/0x200 [ 81.822458] do_setlink+0x99f/0x2d50 [ 81.826177] ? find_held_lock+0x35/0x130 [ 81.830225] ? load_balance+0xf83/0x2250 [ 81.834288] ? rtnl_register+0x50/0x50 [ 81.838241] ? __lock_acquire+0x5f7/0x4620 [ 81.842461] ? lock_downgrade+0x740/0x740 [ 81.846588] ? lock_pin_lock+0x390/0x390 [ 81.850640] ? save_trace+0x290/0x290 [ 81.854436] ? __lock_acquire+0x5f7/0x4620 [ 81.858650] ? __lock_is_held+0xb6/0x140 [ 81.862708] ? save_trace+0x290/0x290 [ 81.866502] ? trace_hardirqs_on+0x10/0x10 [ 81.870718] ? validate_nla+0x201/0x5f0 [ 81.874677] ? nla_parse+0x186/0x240 [ 81.878381] rtnl_newlink+0x11a7/0x1700 [ 81.882359] ? rtnl_link_unregister+0x200/0x200 [ 81.887007] ? finish_task_switch+0x178/0x650 [ 81.891487] ? finish_task_switch+0x14d/0x650 [ 81.895980] ? __mutex_lock+0x951/0x1470 [ 81.900065] ? lock_downgrade+0x740/0x740 [ 81.904224] ? rtnl_link_unregister+0x200/0x200 [ 81.908876] rtnetlink_rcv_msg+0x3eb/0xb70 [ 81.913111] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 81.917683] ? netlink_deliver_tap+0x93/0x8f0 [ 81.922170] netlink_rcv_skb+0x14f/0x3c0 [ 81.926213] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 81.930778] ? lock_downgrade+0x740/0x740 [ 81.934903] ? netlink_ack+0x9a0/0x9a0 [ 81.938771] ? netlink_deliver_tap+0xba/0x8f0 [ 81.943264] rtnetlink_rcv+0x1d/0x30 [ 81.946980] netlink_unicast+0x45d/0x640 [ 81.951031] ? netlink_attachskb+0x6a0/0x6a0 [ 81.955442] ? security_netlink_send+0x81/0xb0 [ 81.960027] netlink_sendmsg+0x7c4/0xc60 [ 81.964085] ? netlink_unicast+0x640/0x640 [ 81.968309] ? security_socket_sendmsg+0x89/0xb0 [ 81.973056] ? netlink_unicast+0x640/0x640 [ 81.977280] sock_sendmsg+0xce/0x110 [ 81.980999] ___sys_sendmsg+0x70a/0x840 [ 81.984952] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 81.989685] ? __fget+0x210/0x370 [ 81.993122] ? find_held_lock+0x35/0x130 [ 81.997165] ? __fget+0x210/0x370 [ 82.000611] ? lock_downgrade+0x740/0x740 [ 82.004742] ? __fget+0x237/0x370 [ 82.008186] ? __fget_light+0x172/0x1f0 [ 82.012170] ? __fdget+0x1b/0x20 [ 82.015523] ? sockfd_lookup_light+0xb4/0x160 [ 82.020001] __sys_sendmsg+0xb9/0x140 [ 82.023798] ? SyS_shutdown+0x170/0x170 [ 82.027760] SyS_sendmsg+0x2d/0x50 [ 82.031290] ? __sys_sendmsg+0x140/0x140 [ 82.035355] do_syscall_64+0x1e8/0x640 [ 82.039225] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 82.044049] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 82.049215] RIP: 0033:0x459a59 [ 82.052384] RSP: 002b:00007f6098097c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 82.060095] RAX: ffffffffffffffda RBX: 00007f6098097c90 RCX: 0000000000459a59 [ 82.067351] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 82.074615] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 82.081866] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60980986d4 [ 82.089118] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 82.104038] FAULT_INJECTION: forcing a failure. [ 82.104038] name failslab, interval 1, probability 0, space 0, times 0 [ 82.132629] CPU: 0 PID: 7103 Comm: syz-executor.0 Not tainted 4.14.147 #0 [ 82.139591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.149048] Call Trace: [ 82.151646] dump_stack+0x138/0x197 [ 82.155278] should_fail.cold+0x10f/0x159 [ 82.159435] should_failslab+0xdb/0x130 [ 82.163411] kmem_cache_alloc+0x2d7/0x780 [ 82.167555] ? memcpy+0x46/0x50 [ 82.170828] ? kstrdup+0x5a/0x70 [ 82.174205] __kernfs_new_node+0x70/0x420 [ 82.178356] kernfs_new_node+0x80/0xf0 [ 82.182240] kernfs_create_link+0x2c/0x170 [ 82.186501] sysfs_do_create_link_sd.isra.0+0x90/0x120 [ 82.191780] sysfs_create_link+0x65/0xc0 [ 82.195853] netdev_adjacent_sysfs_add+0xa7/0xd0 [ 82.200601] ? napi_disable+0x90/0x90 [ 82.204394] __netdev_adjacent_dev_insert+0x487/0x6a0 [ 82.209596] __netdev_upper_dev_link+0x1be/0x230 [ 82.214336] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 82.219088] ? lock_downgrade+0x740/0x740 [ 82.223239] netdev_master_upper_dev_link+0x32/0x40 [ 82.228256] batadv_hardif_enable_interface+0x1f1/0xa00 [ 82.233617] batadv_softif_slave_add+0x8b/0xf0 [ 82.238201] ? batadv_softif_slave_del+0xc0/0xc0 [ 82.242939] do_set_master+0x19f/0x200 [ 82.246920] do_setlink+0x99f/0x2d50 [ 82.250842] ? find_held_lock+0x35/0x130 [ 82.255151] ? load_balance+0xf83/0x2250 [ 82.259209] ? rtnl_register+0x50/0x50 [ 82.263184] ? __lock_acquire+0x5f7/0x4620 [ 82.267424] ? lock_downgrade+0x740/0x740 [ 82.271552] ? lock_pin_lock+0x390/0x390 [ 82.275609] ? save_trace+0x290/0x290 [ 82.279424] ? __lock_acquire+0x5f7/0x4620 [ 82.283639] ? __lock_is_held+0xb6/0x140 [ 82.287683] ? save_trace+0x290/0x290 [ 82.291488] ? trace_hardirqs_on+0x10/0x10 [ 82.295708] ? validate_nla+0x201/0x5f0 [ 82.299677] ? nla_parse+0x186/0x240 [ 82.303383] rtnl_newlink+0x11a7/0x1700 [ 82.307380] ? rtnl_link_unregister+0x200/0x200 [ 82.312051] ? finish_task_switch+0x178/0x650 [ 82.316545] ? finish_task_switch+0x14d/0x650 [ 82.321035] ? __mutex_lock+0x951/0x1470 [ 82.325086] ? lock_downgrade+0x740/0x740 [ 82.329242] ? rtnl_link_unregister+0x200/0x200 [ 82.333890] rtnetlink_rcv_msg+0x3eb/0xb70 [ 82.338108] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 82.342687] ? netlink_deliver_tap+0x93/0x8f0 [ 82.347171] netlink_rcv_skb+0x14f/0x3c0 [ 82.351225] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 82.355798] ? lock_downgrade+0x740/0x740 [ 82.360121] ? netlink_ack+0x9a0/0x9a0 [ 82.364008] ? netlink_deliver_tap+0xba/0x8f0 [ 82.368573] rtnetlink_rcv+0x1d/0x30 [ 82.372273] netlink_unicast+0x45d/0x640 [ 82.376330] ? netlink_attachskb+0x6a0/0x6a0 [ 82.380729] ? security_netlink_send+0x81/0xb0 [ 82.385334] netlink_sendmsg+0x7c4/0xc60 [ 82.389580] ? netlink_unicast+0x640/0x640 [ 82.393813] ? security_socket_sendmsg+0x89/0xb0 [ 82.399166] ? netlink_unicast+0x640/0x640 [ 82.403564] sock_sendmsg+0xce/0x110 [ 82.407277] ___sys_sendmsg+0x70a/0x840 [ 82.411241] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 82.415994] ? __fget+0x210/0x370 [ 82.419437] ? find_held_lock+0x35/0x130 [ 82.423494] ? __fget+0x210/0x370 [ 82.426962] ? lock_downgrade+0x740/0x740 [ 82.431369] ? __fget+0x237/0x370 [ 82.434833] ? __fget_light+0x172/0x1f0 [ 82.438831] ? __fdget+0x1b/0x20 [ 82.442269] ? sockfd_lookup_light+0xb4/0x160 [ 82.446748] __sys_sendmsg+0xb9/0x140 [ 82.450780] ? SyS_shutdown+0x170/0x170 [ 82.454772] SyS_sendmsg+0x2d/0x50 [ 82.458303] ? __sys_sendmsg+0x140/0x140 [ 82.462358] do_syscall_64+0x1e8/0x640 [ 82.466246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 82.471102] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 82.476468] RIP: 0033:0x459a59 [ 82.479654] RSP: 002b:00007fadd2a18c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 82.487395] RAX: ffffffffffffffda RBX: 00007fadd2a18c90 RCX: 0000000000459a59 [ 82.494669] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 82.502116] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 82.510059] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fadd2a196d4 [ 82.518014] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 82.536171] FAULT_INJECTION: forcing a failure. [ 82.536171] name failslab, interval 1, probability 0, space 0, times 0 [ 82.557303] CPU: 1 PID: 7106 Comm: syz-executor.3 Not tainted 4.14.147 #0 [ 82.564270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.573729] Call Trace: [ 82.576343] dump_stack+0x138/0x197 [ 82.580063] should_fail.cold+0x10f/0x159 [ 82.584530] should_failslab+0xdb/0x130 [ 82.588526] kmem_cache_alloc_node+0x287/0x780 [ 82.593162] __alloc_skb+0x9c/0x500 [ 82.596808] ? skb_scrub_packet+0x4b0/0x4b0 [ 82.601126] ? if_nlmsg_size+0x38f/0x810 [ 82.605197] rtmsg_ifinfo_build_skb+0x72/0x140 [ 82.609770] rtmsg_ifinfo_event.part.0+0x35/0xc0 [ 82.614539] rtmsg_ifinfo+0x6f/0x90 [ 82.618164] bond_upper_dev_unlink.isra.0+0x9a/0xc0 [ 82.623353] __bond_release_one+0x2e9/0x1450 [ 82.627936] ? bond_enslave+0x4d00/0x4d00 [ 82.632080] ? raw_notifier_call_chain+0x2d/0x40 [ 82.636834] ? call_netdevice_notifiers_info+0x56/0x70 [ 82.642106] ? __dev_notify_flags+0x13a/0x240 [ 82.646594] ? dev_change_name+0x990/0x990 [ 82.650823] ? dev_set_allmulti+0x30/0x30 [ 82.654964] ? __bond_release_one+0x1450/0x1450 [ 82.659623] bond_release+0x22/0x30 [ 82.663255] do_set_master+0xd5/0x200 [ 82.667064] do_setlink+0x99f/0x2d50 [ 82.671306] ? update_curr+0x296/0x6a0 [ 82.675190] ? load_balance+0xf83/0x2250 [ 82.679246] ? rtnl_register+0x50/0x50 [ 82.683134] ? __lock_acquire+0x5f7/0x4620 [ 82.687358] ? lock_downgrade+0x740/0x740 [ 82.691509] ? lock_pin_lock+0x390/0x390 [ 82.695566] ? save_trace+0x290/0x290 [ 82.699359] ? __lock_acquire+0x5f7/0x4620 [ 82.703585] ? __lock_is_held+0xb6/0x140 [ 82.707626] ? save_trace+0x290/0x290 [ 82.711419] ? trace_hardirqs_on+0x10/0x10 [ 82.715652] ? validate_nla+0x201/0x5f0 [ 82.719617] rtnl_newlink+0x11a7/0x1700 [ 82.723577] ? memset+0x32/0x40 [ 82.726835] ? rtnl_newlink+0x8d8/0x1700 [ 82.730890] ? rtnl_link_unregister+0x200/0x200 [ 82.735549] ? finish_task_switch+0x178/0x650 [ 82.740033] ? finish_task_switch+0x14d/0x650 [ 82.744527] ? __mutex_lock+0x951/0x1470 [ 82.748583] ? lock_downgrade+0x740/0x740 [ 82.752758] ? rtnl_link_unregister+0x200/0x200 [ 82.757522] rtnetlink_rcv_msg+0x3eb/0xb70 [ 82.762706] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 82.767281] ? netlink_deliver_tap+0x93/0x8f0 [ 82.771784] netlink_rcv_skb+0x14f/0x3c0 [ 82.775934] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 82.780522] ? lock_downgrade+0x740/0x740 [ 82.784665] ? netlink_ack+0x9a0/0x9a0 [ 82.788546] ? netlink_deliver_tap+0xba/0x8f0 [ 82.793051] rtnetlink_rcv+0x1d/0x30 [ 82.796767] netlink_unicast+0x45d/0x640 [ 82.800831] ? netlink_attachskb+0x6a0/0x6a0 [ 82.805230] ? security_netlink_send+0x81/0xb0 [ 82.810061] netlink_sendmsg+0x7c4/0xc60 [ 82.814129] ? netlink_unicast+0x640/0x640 [ 82.818347] ? security_socket_sendmsg+0x89/0xb0 [ 82.823100] ? netlink_unicast+0x640/0x640 [ 82.827327] sock_sendmsg+0xce/0x110 [ 82.831035] ___sys_sendmsg+0x70a/0x840 [ 82.835006] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 82.839751] ? __fget+0x210/0x370 [ 82.843186] ? find_held_lock+0x35/0x130 [ 82.847238] ? __fget+0x210/0x370 [ 82.850690] ? lock_downgrade+0x740/0x740 [ 82.854842] ? __fget+0x237/0x370 [ 82.858294] ? __fget_light+0x172/0x1f0 [ 82.862261] ? __fdget+0x1b/0x20 [ 82.865618] ? sockfd_lookup_light+0xb4/0x160 [ 82.870113] __sys_sendmsg+0xb9/0x140 [ 82.873907] ? SyS_shutdown+0x170/0x170 [ 82.877879] SyS_sendmsg+0x2d/0x50 [ 82.881407] ? __sys_sendmsg+0x140/0x140 [ 82.885461] do_syscall_64+0x1e8/0x640 [ 82.889329] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 82.894170] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 82.899341] RIP: 0033:0x459a59 [ 82.902514] RSP: 002b:00007f48e6f1bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 82.910307] RAX: ffffffffffffffda RBX: 00007f48e6f1bc90 RCX: 0000000000459a59 [ 82.917709] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 82.924982] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 82.932246] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f48e6f1c6d4 [ 82.939519] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 82.952056] bond0: Releasing backup interface bond_slave_0 [ 82.983504] batman_adv: batadv0: Adding interface: bond_slave_0 [ 82.989617] batman_adv: batadv0: The MTU of interface bond_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 83.015501] batman_adv: batadv0: Not using interface bond_slave_0 (retrying later): interface not active [ 83.025877] FAULT_INJECTION: forcing a failure. [ 83.025877] name failslab, interval 1, probability 0, space 0, times 0 [ 83.038893] CPU: 1 PID: 7110 Comm: syz-executor.1 Not tainted 4.14.147 #0 [ 83.046026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.055370] Call Trace: [ 83.055385] dump_stack+0x138/0x197 [ 83.055398] should_fail.cold+0x10f/0x159 [ 83.055410] should_failslab+0xdb/0x130 [ 83.055419] kmem_cache_alloc+0x2d7/0x780 [ 83.055428] ? find_held_lock+0x35/0x130 [ 83.055437] ? sysfs_do_create_link_sd.isra.0+0x82/0x120 [ 83.055446] __kernfs_new_node+0x70/0x420 [ 83.055455] kernfs_new_node+0x80/0xf0 [ 83.055464] kernfs_create_link+0x2c/0x170 [ 83.055473] sysfs_do_create_link_sd.isra.0+0x90/0x120 [ 83.055481] sysfs_create_link+0x65/0xc0 [ 83.055492] __netdev_adjacent_dev_insert+0x34c/0x6a0 [ 83.055503] __netdev_upper_dev_link+0x196/0x230 [ 83.055513] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 83.120296] ? lock_downgrade+0x740/0x740 [ 83.124461] netdev_master_upper_dev_link+0x32/0x40 [ 83.129467] batadv_hardif_enable_interface+0x1f1/0xa00 [ 83.134823] batadv_softif_slave_add+0x8b/0xf0 [ 83.139390] ? batadv_softif_slave_del+0xc0/0xc0 [ 83.144258] do_set_master+0x19f/0x200 [ 83.148137] do_setlink+0x99f/0x2d50 [ 83.151844] ? find_held_lock+0x35/0x130 [ 83.155900] ? load_balance+0xf83/0x2250 [ 83.159946] ? rtnl_register+0x50/0x50 [ 83.163826] ? __lock_acquire+0x5f7/0x4620 [ 83.168064] ? lock_downgrade+0x740/0x740 [ 83.172203] ? lock_pin_lock+0x390/0x390 [ 83.176422] ? save_trace+0x290/0x290 [ 83.180225] ? __lock_acquire+0x5f7/0x4620 [ 83.184558] ? __lock_is_held+0xb6/0x140 [ 83.188635] ? save_trace+0x290/0x290 [ 83.192435] ? trace_hardirqs_on+0x10/0x10 [ 83.196668] ? validate_nla+0x201/0x5f0 [ 83.200648] ? nla_parse+0x186/0x240 [ 83.204387] rtnl_newlink+0x11a7/0x1700 [ 83.208759] ? rtnl_link_unregister+0x200/0x200 [ 83.213416] ? finish_task_switch+0x178/0x650 [ 83.217906] ? finish_task_switch+0x14d/0x650 [ 83.222401] ? __mutex_lock+0x951/0x1470 [ 83.226463] ? lock_downgrade+0x740/0x740 [ 83.230634] ? rtnl_link_unregister+0x200/0x200 [ 83.235305] rtnetlink_rcv_msg+0x3eb/0xb70 [ 83.239533] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 83.244166] ? netlink_deliver_tap+0x93/0x8f0 [ 83.248721] netlink_rcv_skb+0x14f/0x3c0 [ 83.252841] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 83.257413] ? lock_downgrade+0x740/0x740 [ 83.261555] ? netlink_ack+0x9a0/0x9a0 [ 83.265604] ? netlink_deliver_tap+0xba/0x8f0 [ 83.270116] rtnetlink_rcv+0x1d/0x30 [ 83.273824] netlink_unicast+0x45d/0x640 [ 83.277916] ? netlink_attachskb+0x6a0/0x6a0 [ 83.282329] ? security_netlink_send+0x81/0xb0 [ 83.286910] netlink_sendmsg+0x7c4/0xc60 [ 83.290973] ? netlink_unicast+0x640/0x640 [ 83.295213] ? security_socket_sendmsg+0x89/0xb0 [ 83.299952] ? netlink_unicast+0x640/0x640 [ 83.304180] sock_sendmsg+0xce/0x110 [ 83.307878] ___sys_sendmsg+0x70a/0x840 [ 83.311845] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 83.316591] ? __fget+0x210/0x370 [ 83.320031] ? find_held_lock+0x35/0x130 [ 83.324094] ? __fget+0x210/0x370 [ 83.327546] ? lock_downgrade+0x740/0x740 [ 83.331710] ? __fget+0x237/0x370 [ 83.335175] ? __fget_light+0x172/0x1f0 [ 83.339131] ? __fdget+0x1b/0x20 [ 83.342484] ? sockfd_lookup_light+0xb4/0x160 [ 83.346965] __sys_sendmsg+0xb9/0x140 [ 83.350753] ? SyS_shutdown+0x170/0x170 [ 83.354734] SyS_sendmsg+0x2d/0x50 [ 83.358267] ? __sys_sendmsg+0x140/0x140 [ 83.362332] do_syscall_64+0x1e8/0x640 [ 83.366214] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 83.371075] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 83.376260] RIP: 0033:0x459a59 [ 83.379464] RSP: 002b:00007f265ec82c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 83.387187] RAX: ffffffffffffffda RBX: 00007f265ec82c90 RCX: 0000000000459a59 [ 83.394471] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 83.401738] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 83.409019] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f265ec836d4 [ 83.416293] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 83.425500] ------------[ cut here ]------------ [ 83.428317] FAULT_INJECTION: forcing a failure. [ 83.428317] name failslab, interval 1, probability 0, space 0, times 0 [ 83.430437] WARNING: CPU: 0 PID: 96 at net/batman-adv/bat_iv_ogm.c:555 batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680 [ 83.430445] Kernel panic - not syncing: panic_on_warn set ... [ 83.430445] [ 83.430453] CPU: 0 PID: 96 Comm: kworker/u4:2 Not tainted 4.14.147 #0 [ 83.430457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.430465] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 83.430471] Call Trace: [ 83.430481] dump_stack+0x138/0x197 [ 83.430492] panic+0x1f2/0x426 [ 83.430498] ? add_taint.cold+0x16/0x16 [ 83.430508] ? batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680 [ 83.430520] ? batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680 [ 83.430526] __warn.cold+0x2f/0x36 [ 83.430535] ? ist_end_non_atomic+0x10/0x10 [ 83.430543] ? batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680 [ 83.430551] report_bug+0x216/0x254 [ 83.430563] do_error_trap+0x1bb/0x310 [ 83.430572] ? math_error+0x360/0x360 [ 83.430584] ? debug_object_deactivate+0x1cc/0x350 [ 83.430593] ? find_held_lock+0x35/0x130 [ 83.430606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 83.430615] do_invalid_op+0x1b/0x20 [ 83.430626] invalid_op+0x1b/0x40 [ 83.556808] RIP: 0010:batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680 [ 83.563891] RSP: 0018:ffff8880a99afcc8 EFLAGS: 00010297 [ 83.569252] RAX: ffff8880a99a01c0 RBX: ffff8880a5e80408 RCX: ffff8880a99a0a40 [ 83.576510] RDX: 0000000000000000 RSI: ffffffff8778f720 RDI: ffff888093feaae8 [ 83.583882] RBP: ffff8880a99afd38 R08: 0000000000006eb1 R09: ffffffff88cb7a08 [ 83.591144] R10: ffff8880a99a0a68 R11: ffff8880a99a01c0 R12: ffff888094818600 [ 83.598410] R13: ffff8880a5e803c0 R14: ffff8880902af000 R15: ffff888093feaa80 [ 83.605696] ? batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680 [ 83.612184] process_one_work+0x863/0x1600 [ 83.616412] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 83.621070] worker_thread+0x5d9/0x1050 [ 83.625038] kthread+0x319/0x430 [ 83.628389] ? process_one_work+0x1600/0x1600 [ 83.632956] ? kthread_create_on_node+0xd0/0xd0 [ 83.637624] ret_from_fork+0x24/0x30 [ 83.641338] CPU: 1 PID: 7118 Comm: syz-executor.2 Not tainted 4.14.147 #0 [ 83.648257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.657604] Call Trace: [ 83.660183] dump_stack+0x138/0x197 [ 83.663797] should_fail.cold+0x10f/0x159 [ 83.667933] should_failslab+0xdb/0x130 [ 83.671904] __kmalloc_track_caller+0x2ec/0x790 [ 83.676558] ? save_trace+0x290/0x290 [ 83.680354] ? kstrdup_const+0x48/0x60 [ 83.684228] kstrdup+0x3a/0x70 [ 83.687409] kstrdup_const+0x48/0x60 [ 83.691108] __kernfs_new_node+0x2f/0x420 [ 83.695241] kernfs_new_node+0x80/0xf0 [ 83.699112] kernfs_create_link+0x2c/0x170 [ 83.703331] sysfs_do_create_link_sd.isra.0+0x90/0x120 [ 83.708594] sysfs_create_link+0x65/0xc0 [ 83.712645] netdev_adjacent_sysfs_add+0xa7/0xd0 [ 83.717381] ? napi_disable+0x90/0x90 [ 83.721169] __netdev_adjacent_dev_insert+0x487/0x6a0 [ 83.726349] __netdev_upper_dev_link+0x1be/0x230 [ 83.731098] ? netdev_upper_dev_unlink+0xe0/0xe0 [ 83.735838] ? lock_downgrade+0x740/0x740 [ 83.739983] netdev_master_upper_dev_link+0x32/0x40 [ 83.744988] batadv_hardif_enable_interface+0x1f1/0xa00 [ 83.752339] batadv_softif_slave_add+0x8b/0xf0 [ 83.756912] ? batadv_softif_slave_del+0xc0/0xc0 [ 83.761662] do_set_master+0x19f/0x200 [ 83.765588] do_setlink+0x99f/0x2d50 [ 83.769289] ? unwind_get_return_address+0x61/0xa0 [ 83.774207] ? __save_stack_trace+0x7b/0xd0 [ 83.779302] ? rtnl_register+0x50/0x50 [ 83.783173] ? trace_hardirqs_on+0x10/0x10 [ 83.787399] ? save_stack+0xa9/0xd0 [ 83.791007] ? save_trace+0x290/0x290 [ 83.794801] ? find_held_lock+0x35/0x130 [ 83.798847] ? free_one_page+0x9e9/0x1040 [ 83.802976] ? find_held_lock+0x35/0x130 [ 83.807021] ? free_one_page+0x9e9/0x1040 [ 83.811156] ? lock_downgrade+0x740/0x740 [ 83.815289] ? __this_cpu_preempt_check+0x1d/0x30 [ 83.820114] ? validate_nla+0x201/0x5f0 [ 83.824081] ? nla_parse+0x186/0x240 [ 83.827796] rtnl_newlink+0x11a7/0x1700 [ 83.831767] ? rtnl_link_unregister+0x200/0x200 [ 83.836430] ? finish_task_switch+0x489/0x650 [ 83.840910] ? __mutex_lock+0x951/0x1470 [ 83.844962] ? lock_downgrade+0x740/0x740 [ 83.849118] ? rtnl_link_unregister+0x200/0x200 [ 83.853769] rtnetlink_rcv_msg+0x3eb/0xb70 [ 83.857991] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 83.862559] ? netlink_deliver_tap+0x93/0x8f0 [ 83.867040] netlink_rcv_skb+0x14f/0x3c0 [ 83.871096] ? rtnl_bridge_getlink+0x7a0/0x7a0 [ 83.875664] ? lock_downgrade+0x740/0x740 [ 83.879793] ? netlink_ack+0x9a0/0x9a0 [ 83.883667] ? netlink_deliver_tap+0xba/0x8f0 [ 83.888145] rtnetlink_rcv+0x1d/0x30 [ 83.891842] netlink_unicast+0x45d/0x640 [ 83.895977] ? netlink_attachskb+0x6a0/0x6a0 [ 83.900370] ? security_netlink_send+0x81/0xb0 [ 83.904939] netlink_sendmsg+0x7c4/0xc60 [ 83.908995] ? netlink_unicast+0x640/0x640 [ 83.913219] ? security_socket_sendmsg+0x89/0xb0 [ 83.917957] ? netlink_unicast+0x640/0x640 [ 83.922172] sock_sendmsg+0xce/0x110 [ 83.925910] ___sys_sendmsg+0x70a/0x840 [ 83.929879] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 83.934620] ? __fget+0x210/0x370 [ 83.938063] ? find_held_lock+0x35/0x130 [ 83.942105] ? __fget+0x210/0x370 [ 83.945557] ? lock_downgrade+0x740/0x740 [ 83.949692] ? __fget+0x237/0x370 [ 83.953134] ? __fget_light+0x172/0x1f0 [ 83.957090] ? __fdget+0x1b/0x20 [ 83.960452] ? sockfd_lookup_light+0xb4/0x160 [ 83.964932] __sys_sendmsg+0xb9/0x140 [ 83.968713] ? SyS_shutdown+0x170/0x170 [ 83.972690] SyS_sendmsg+0x2d/0x50 [ 83.976220] ? __sys_sendmsg+0x140/0x140 [ 83.980272] do_syscall_64+0x1e8/0x640 [ 83.984159] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 83.988990] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 83.994164] RIP: 0033:0x459a59 [ 83.997339] RSP: 002b:00007faab91c2c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 84.005038] RAX: ffffffffffffffda RBX: 00007faab91c2c90 RCX: 0000000000459a59 [ 84.012292] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 84.019555] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 84.026810] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faab91c36d4 [ 84.034066] R13: 00000000004c7bd5 R14: 00000000004dd968 R15: 0000000000000006 [ 84.042847] Kernel Offset: disabled [ 84.046581] Rebooting in 86400 seconds..