[ 34.855725] audit: type=1800 audit(1574713826.825:33): pid=6948 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0
[ 34.884045] audit: type=1800 audit(1574713826.825:34): pid=6948 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0
Debian GNU/Linux 7 syzkaller ttyS0
syzkaller login: [ 38.143038] random: sshd: uninitialized urandom read (32 bytes read)
[ 38.565723] audit: type=1400 audit(1574713830.535:35): avc: denied { map } for pid=7120 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
[ 38.653629] random: sshd: uninitialized urandom read (32 bytes read)
[ 39.269216] random: sshd: uninitialized urandom read (32 bytes read)
[ 56.432597] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.0.16' (ECDSA) to the list of known hosts.
[ 62.079462] random: sshd: uninitialized urandom read (32 bytes read)
[ 62.269977] audit: type=1400 audit(1574713854.235:36): avc: denied { map } for pid=7132 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
2019/11/25 20:30:54 parsed 1 programs
[ 63.047104] random: cc1: uninitialized urandom read (8 bytes read)
2019/11/25 20:30:56 executed programs: 0
[ 64.358259] audit: type=1400 audit(1574713856.325:37): avc: denied { map } for pid=7132 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=13762 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1
[ 64.405481] audit: type=1400 audit(1574713856.365:38): avc: denied { map } for pid=7132 comm="syz-execprog" path="/root/syzkaller-shm748601750" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1
[ 64.449272] IPVS: ftp: loaded support on port[0] = 21
[ 64.926747] chnl_net:caif_netlink_parms(): no params data found
[ 64.958920] bridge0: port 1(bridge_slave_0) entered blocking state
[ 64.967024] bridge0: port 1(bridge_slave_0) entered disabled state
[ 64.974447] device bridge_slave_0 entered promiscuous mode
[ 64.974709] IPVS: ftp: loaded support on port[0] = 21
[ 64.986042] bridge0: port 2(bridge_slave_1) entered blocking state
[ 64.992627] bridge0: port 2(bridge_slave_1) entered disabled state
[ 64.999714] device bridge_slave_1 entered promiscuous mode
[ 65.020916] bond0: Enslaving bond_slave_0 as an active interface with an up link
[ 65.033990] bond0: Enslaving bond_slave_1 as an active interface with an up link
[ 65.056239] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[ 65.063478] team0: Port device team_slave_0 added
[ 65.071427] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[ 65.078435] team0: Port device team_slave_1 added
[ 65.085632] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[ 65.093318] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[ 65.105321] IPVS: ftp: loaded support on port[0] = 21
[ 65.172651] device hsr_slave_0 entered promiscuous mode
[ 65.250336] device hsr_slave_1 entered promiscuous mode
[ 65.290850] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[ 65.298060] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[ 65.310672] audit: type=1400 audit(1574713857.285:39): avc: denied { create } for pid=7152 comm="syz-executor.2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
[ 65.339438] audit: type=1400 audit(1574713857.315:40): avc: denied { write } for pid=7152 comm="syz-executor.2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
[ 65.364171] audit: type=1400 audit(1574713857.315:41): avc: denied { read } for pid=7152 comm="syz-executor.2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
[ 65.426487] chnl_net:caif_netlink_parms(): no params data found
[ 65.455213] IPVS: ftp: loaded support on port[0] = 21
[ 65.468010] bridge0: port 2(bridge_slave_1) entered blocking state
[ 65.474542] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 65.481367] bridge0: port 1(bridge_slave_0) entered blocking state
[ 65.487756] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 65.552207] chnl_net:caif_netlink_parms(): no params data found
[ 65.579337] bridge0: port 1(bridge_slave_0) entered blocking state
[ 65.586893] bridge0: port 1(bridge_slave_0) entered disabled state
[ 65.594239] device bridge_slave_0 entered promiscuous mode
[ 65.601176] bridge0: port 2(bridge_slave_1) entered blocking state
[ 65.607626] bridge0: port 2(bridge_slave_1) entered disabled state
[ 65.614718] device bridge_slave_1 entered promiscuous mode
[ 65.644558] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready
[ 65.651198] 8021q: adding VLAN 0 to HW filter on device bond0
[ 65.675141] bond0: Enslaving bond_slave_0 as an active interface with an up link
[ 65.684533] bond0: Enslaving bond_slave_1 as an active interface with an up link
[ 65.703668] bridge0: port 1(bridge_slave_0) entered blocking state
[ 65.710548] bridge0: port 1(bridge_slave_0) entered disabled state
[ 65.718372] device bridge_slave_0 entered promiscuous mode
[ 65.718603] IPVS: ftp: loaded support on port[0] = 21
[ 65.735328] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[ 65.743747] bridge0: port 2(bridge_slave_1) entered blocking state
[ 65.752533] bridge0: port 2(bridge_slave_1) entered disabled state
[ 65.759555] device bridge_slave_1 entered promiscuous mode
[ 65.768813] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[ 65.775239] 8021q: adding VLAN 0 to HW filter on device team0
[ 65.789332] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[ 65.796479] team0: Port device team_slave_0 added
[ 65.804616] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[ 65.812378] team0: Port device team_slave_1 added
[ 65.822520] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 65.831527] bridge0: port 1(bridge_slave_0) entered disabled state
[ 65.838440] bridge0: port 2(bridge_slave_1) entered disabled state
[ 65.856006] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[ 65.869274] bond0: Enslaving bond_slave_0 as an active interface with an up link
[ 65.905771] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[ 65.919032] bond0: Enslaving bond_slave_1 as an active interface with an up link
[ 65.952893] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 65.961157] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 65.968901] bridge0: port 1(bridge_slave_0) entered blocking state
[ 65.975359] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 65.994647] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[ 66.002720] team0: Port device team_slave_0 added
[ 66.010492] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[ 66.017667] team0: Port device team_slave_1 added
[ 66.024035] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[ 66.033378] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[ 66.092193] device hsr_slave_0 entered promiscuous mode
[ 66.130454] device hsr_slave_1 entered promiscuous mode
[ 66.191221] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[ 66.198427] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[ 66.206088] chnl_net:caif_netlink_parms(): no params data found
[ 66.227372] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 66.235254] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 66.243179] bridge0: port 2(bridge_slave_1) entered blocking state
[ 66.249723] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 66.257140] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[ 66.267128] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[ 66.343141] device hsr_slave_0 entered promiscuous mode
[ 66.380604] device hsr_slave_1 entered promiscuous mode
[ 66.441485] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 66.454840] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[ 66.466061] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[ 66.473622] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[ 66.482188] IPVS: ftp: loaded support on port[0] = 21
[ 66.488135] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 66.499624] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[ 66.523658] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 66.532070] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 66.551111] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[ 66.564930] bridge0: port 1(bridge_slave_0) entered blocking state
[ 66.571675] bridge0: port 1(bridge_slave_0) entered disabled state
[ 66.578834] device bridge_slave_0 entered promiscuous mode
[ 66.585432] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 66.594501] bridge0: port 2(bridge_slave_1) entered blocking state
[ 66.601348] bridge0: port 2(bridge_slave_1) entered disabled state
[ 66.608681] device bridge_slave_1 entered promiscuous mode
[ 66.628058] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[ 66.637566] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[ 66.687112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 66.695284] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 66.702910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 66.710456] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 66.723231] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[ 66.738657] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[ 66.759395] bond0: Enslaving bond_slave_0 as an active interface with an up link
[ 66.770663] bond0: Enslaving bond_slave_1 as an active interface with an up link
[ 66.778929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 66.786753] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 66.799100] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[ 66.805633] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 66.815790] chnl_net:caif_netlink_parms(): no params data found
[ 66.869369] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready
[ 66.877198] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[ 66.886939] team0: Port device team_slave_0 added
[ 66.893119] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[ 66.900622] team0: Port device team_slave_1 added
[ 66.917054] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[ 66.937518] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[ 66.956596] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[ 66.973984] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 66.980856] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 66.988864] 8021q: adding VLAN 0 to HW filter on device bond0
[ 67.049500] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[ 67.103800] device hsr_slave_0 entered promiscuous mode
[ 67.140835] device hsr_slave_1 entered promiscuous mode
[ 67.180602] bridge0: port 1(bridge_slave_0) entered blocking state
[ 67.187002] bridge0: port 1(bridge_slave_0) entered disabled state
[ 67.194258] device bridge_slave_0 entered promiscuous mode
[ 67.201495] bridge0: port 2(bridge_slave_1) entered blocking state
[ 67.207838] bridge0: port 2(bridge_slave_1) entered disabled state
[ 67.214995] device bridge_slave_1 entered promiscuous mode
[ 67.231463] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 67.239444] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[ 67.268271] bond0: Enslaving bond_slave_0 as an active interface with an up link
[ 67.276950] chnl_net:caif_netlink_parms(): no params data found
[ 67.288360] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[ 67.296926] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[ 67.308658] bond0: Enslaving bond_slave_1 as an active interface with an up link
[ 67.324635] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 67.334722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 67.347595] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[ 67.354239] 8021q: adding VLAN 0 to HW filter on device team0
[ 67.371724] 8021q: adding VLAN 0 to HW filter on device bond0
[ 67.400958] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[ 67.416762] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[ 67.423717] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 67.436634] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 67.444913] bridge0: port 1(bridge_slave_0) entered blocking state
[ 67.451423] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 67.458984] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[ 67.467128] team0: Port device team_slave_0 added
[ 67.473712] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[ 67.503490] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 67.510972] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 67.518742] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 67.526961] bridge0: port 2(bridge_slave_1) entered blocking state
[ 67.533357] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 67.540726] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[ 67.547994] team0: Port device team_slave_1 added
[ 67.554469] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[ 67.564073] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[ 67.579338] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[ 67.588324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 67.599146] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[ 67.612090] bridge0: port 1(bridge_slave_0) entered blocking state
[ 67.618492] bridge0: port 1(bridge_slave_0) entered disabled state
[ 67.626618] device bridge_slave_0 entered promiscuous mode
[ 67.633809] bridge0: port 2(bridge_slave_1) entered blocking state
[ 67.640419] bridge0: port 2(bridge_slave_1) entered disabled state
[ 67.647659] device bridge_slave_1 entered promiscuous mode
[ 67.654761] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[ 67.662846] batman_adv: batadv0: Adding interface: erspan0
[ 67.668495] batman_adv: batadv0: The MTU of interface erspan0 is too small (1450) 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.
[ 67.694681] batman_adv: batadv0: Interface activated: erspan0
[ 67.703317] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 67.710989] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 67.720973] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[ 67.727278] 8021q: adding VLAN 0 to HW filter on device team0
[ 67.736518] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[ 67.754542] batman_adv: batadv0: Interface deactivated: erspan0
[ 67.761562] batman_adv: batadv0: Removing interface: erspan0
[ 67.768817] FAULT_INJECTION: forcing a failure.
[ 67.768817] name failslab, interval 1, probability 0, space 0, times 1
[ 67.780177] CPU: 1 PID: 7192 Comm: syz-executor.2 Not tainted 4.14.156-syzkaller #0
[ 67.788077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 67.797431] Call Trace:
[ 67.800026] dump_stack+0x142/0x197
[ 67.803667] should_fail.cold+0x10f/0x159
[ 67.807824] should_failslab+0xdb/0x130
[ 67.811790] kmem_cache_alloc_trace+0x2e9/0x790
[ 67.816706] ? netlink_broadcast_filtered+0x307/0x9f0
[ 67.821905] netdevice_event+0x164/0x6c0
[ 67.825973] ? update_gid_event_work_handler+0xc0/0xc0
[ 67.831327] ? add_netdev_upper_ips+0x40/0x40
[ 67.835809] ? inetaddr_event+0x170/0x170
[ 67.839971] ? _add_netdev_ips+0x40/0x40
[ 67.844042] ? is_eth_port_of_netdev.part.0+0x250/0x250
[ 67.849414] notifier_call_chain+0x111/0x1b0
[ 67.853814] raw_notifier_call_chain+0x2e/0x40
[ 67.858388] call_netdevice_notifiers_info+0x56/0x70
[ 67.863496] netdev_upper_dev_unlink+0xb5/0xe0
[ 67.868096] ? __netdev_adjacent_dev_unlink_neighbour+0x40/0x40
[ 67.874153] batadv_hardif_disable_interface.cold+0x59e/0x70d
[ 67.880070] ? batadv_softif_init_late+0xca0/0xca0
[ 67.884997] batadv_softif_slave_del+0x61/0xc0
[ 67.889564] do_set_master+0xd5/0x200
[ 67.893344] do_setlink+0x99f/0x2d50
[ 67.897192] ? find_held_lock+0x35/0x130
[ 67.901251] ? load_balance+0xf83/0x2250
[ 67.905308] ? rtnl_register+0x50/0x50
[ 67.909183] ? __lock_acquire+0x5f7/0x4620
[ 67.913405] ? lock_downgrade+0x740/0x740
[ 67.917534] ? lock_pin_lock+0x390/0x390
[ 67.921589] ? do_raw_spin_unlock+0x16b/0x260
[ 67.926084] ? save_trace+0x290/0x290
[ 67.929882] ? __lock_acquire+0x5f7/0x4620
[ 67.934099] ? __lock_is_held+0xb6/0x140
[ 67.938163] ? save_trace+0x290/0x290
[ 67.941980] ? trace_hardirqs_on+0x10/0x10
[ 67.946219] ? validate_nla+0x201/0x5f0
[ 67.950186] ? nla_parse+0x186/0x240
[ 67.953889] rtnl_newlink+0x11a7/0x1700
[ 67.957842] ? rtnl_newlink+0x8d8/0x1700
[ 67.961902] ? rtnl_link_unregister+0x200/0x200
[ 67.966575] ? finish_task_switch+0x178/0x650
[ 67.971052] ? finish_task_switch+0x14d/0x650
[ 67.975536] ? __mutex_lock+0x951/0x1470
[ 67.979592] ? lock_downgrade+0x740/0x740
[ 67.983763] ? rtnl_link_unregister+0x200/0x200
[ 67.988420] rtnetlink_rcv_msg+0x3eb/0xb70
[ 67.992651] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 67.997219] ? netlink_deliver_tap+0x93/0x8f0
[ 68.001710] netlink_rcv_skb+0x14f/0x3c0
[ 68.005758] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 68.010336] ? lock_downgrade+0x740/0x740
[ 68.014649] ? netlink_ack+0x9a0/0x9a0
[ 68.018531] ? netlink_deliver_tap+0xba/0x8f0
[ 68.023019] rtnetlink_rcv+0x1d/0x30
[ 68.026725] netlink_unicast+0x45d/0x640
[ 68.030766] ? netlink_attachskb+0x6a0/0x6a0
[ 68.035157] ? security_netlink_send+0x81/0xb0
[ 68.039718] netlink_sendmsg+0x7c4/0xc60
[ 68.043768] ? netlink_unicast+0x640/0x640
[ 68.047996] ? security_socket_sendmsg+0x89/0xb0
[ 68.052735] ? netlink_unicast+0x640/0x640
[ 68.056953] sock_sendmsg+0xce/0x110
[ 68.060654] ___sys_sendmsg+0x70a/0x840
[ 68.064626] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 68.069620] ? __fget+0x210/0x370
[ 68.073066] ? find_held_lock+0x35/0x130
[ 68.077111] ? __fget+0x210/0x370
[ 68.080558] ? lock_downgrade+0x740/0x740
[ 68.084707] ? __fget+0x237/0x370
[ 68.088209] ? __fget_light+0x172/0x1f0
[ 68.092179] ? __fdget+0x1b/0x20
[ 68.095529] ? sockfd_lookup_light+0xb4/0x160
[ 68.100019] __sys_sendmsg+0xb9/0x140
[ 68.103843] ? SyS_shutdown+0x170/0x170
[ 68.107824] SyS_sendmsg+0x2d/0x50
[ 68.111341] ? __sys_sendmsg+0x140/0x140
[ 68.115441] do_syscall_64+0x1e8/0x640
[ 68.119344] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 68.124185] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 68.129363] RIP: 0033:0x45a639
[ 68.132607] RSP: 002b:00007f4aace83c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 68.140304] RAX: ffffffffffffffda RBX: 00007f4aace83c90 RCX: 000000000045a639
[ 68.147579] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 68.154830] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 68.162088] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4aace846d4
[ 68.169348] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 68.184522] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 68.198940] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[ 68.262426] device hsr_slave_0 entered promiscuous mode
[ 68.310364] device hsr_slave_1 entered promiscuous mode
[ 68.350923] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[ 68.357925] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 68.367992] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 68.376008] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 68.385266] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[ 68.394077] bond0: Enslaving bond_slave_0 as an active interface with an up link
[ 68.403634] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[ 68.413124] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[ 68.423285] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[ 68.440407] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 68.448116] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 68.460520] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 68.468285] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 68.475930] bridge0: port 1(bridge_slave_0) entered blocking state
[ 68.482309] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 68.489638] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 68.498101] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 68.505741] bridge0: port 2(bridge_slave_1) entered blocking state
[ 68.512125] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 68.519351] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 68.527295] bond0: Enslaving bond_slave_1 as an active interface with an up link
[ 68.541584] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[ 68.549053] batman_adv: batadv0: Adding interface: syz_tun
[ 68.555737] batman_adv: batadv0: The MTU of interface syz_tun 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.
[ 68.580770] batman_adv: batadv0: Interface activated: syz_tun
[ 68.587338] batman_adv: batadv0: Interface deactivated: syz_tun
[ 68.593502] batman_adv: batadv0: Removing interface: syz_tun
[ 68.604972] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 68.612403] FAULT_INJECTION: forcing a failure.
[ 68.612403] name failslab, interval 1, probability 0, space 0, times 0
[ 68.635927] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[ 68.644463] CPU: 0 PID: 7200 Comm: syz-executor.2 Not tainted 4.14.156-syzkaller #0
[ 68.652264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 68.652269] Call Trace:
[ 68.652283] dump_stack+0x142/0x197
[ 68.652297] should_fail.cold+0x10f/0x159
[ 68.652311] should_failslab+0xdb/0x130
[ 68.652319] kmem_cache_alloc_node+0x287/0x780
[ 68.652333] __alloc_skb+0x9c/0x500
[ 68.652340] ? skb_scrub_packet+0x4b0/0x4b0
[ 68.652348] ? rtnl_link_unregister+0x200/0x200
[ 68.652356] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 68.664278] netlink_ack+0x21c/0x9a0
[ 68.664288] ? netlink_sendmsg+0xc60/0xc60
[ 68.664299] netlink_rcv_skb+0x2fc/0x3c0
[ 68.672039] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 68.672050] ? netlink_ack+0x9a0/0x9a0
[ 68.672060] ? netlink_deliver_tap+0xba/0x8f0
[ 68.672070] rtnetlink_rcv+0x1d/0x30
[ 68.672077] netlink_unicast+0x45d/0x640
[ 68.672087] ? netlink_attachskb+0x6a0/0x6a0
[ 68.672099] ? security_netlink_send+0x81/0xb0
[ 68.680614] netlink_sendmsg+0x7c4/0xc60
[ 68.680628] ? netlink_unicast+0x640/0x640
[ 68.680639] ? security_socket_sendmsg+0x89/0xb0
[ 68.680647] ? netlink_unicast+0x640/0x640
[ 68.680656] sock_sendmsg+0xce/0x110
[ 68.688562] ___sys_sendmsg+0x70a/0x840
[ 68.688573] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 68.688582] ? __fget+0x210/0x370
[ 68.688593] ? find_held_lock+0x35/0x130
[ 68.697631] ? __fget+0x210/0x370
[ 68.697646] ? lock_downgrade+0x740/0x740
[ 68.697657] ? __fget+0x237/0x370
[ 68.705588] ? __fget_light+0x172/0x1f0
[ 68.705598] ? __fdget+0x1b/0x20
[ 68.705606] ? sockfd_lookup_light+0xb4/0x160
[ 68.705615] __sys_sendmsg+0xb9/0x140
[ 68.714221] ? SyS_shutdown+0x170/0x170
[ 68.714243] SyS_sendmsg+0x2d/0x50
[ 68.722590] ? __sys_sendmsg+0x140/0x140
[ 68.722603] do_syscall_64+0x1e8/0x640
[ 68.722610] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 68.722624] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 68.722630] RIP: 0033:0x45a639
[ 68.722635] RSP: 002b:00007f4aace83c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 68.730393] RAX: ffffffffffffffda RBX: 00007f4aace83c90 RCX: 000000000045a639
[ 68.730398] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 68.730402] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 68.730406] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4aace846d4
[ 68.730410] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 68.879748] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[ 68.886914] team0: Port device team_slave_0 added
[ 68.892887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 68.903257] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 68.914175] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[ 68.926207] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[ 68.936232] team0: Port device team_slave_1 added
[ 68.951572] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[ 68.959692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 68.968207] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 68.975769] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 68.984944] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[ 68.991276] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 68.998913] batman_adv: batadv0: Adding interface: dummy0
[ 69.004826] batman_adv: batadv0: The MTU of interface dummy0 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.
[ 69.029794] batman_adv: batadv0: Interface activated: dummy0
[ 69.036618] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[ 69.046029] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[ 69.055833] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[ 69.064302] batman_adv: batadv0: Interface deactivated: dummy0
[ 69.070927] batman_adv: batadv0: Removing interface: dummy0
[ 69.077631] FAULT_INJECTION: forcing a failure.
[ 69.077631] name fail_page_alloc, interval 1, probability 0, space 0, times 1
[ 69.089419] CPU: 0 PID: 7208 Comm: syz-executor.2 Not tainted 4.14.156-syzkaller #0
[ 69.097196] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 69.106536] Call Trace:
[ 69.109111] dump_stack+0x142/0x197
[ 69.112728] should_fail.cold+0x10f/0x159
[ 69.116862] __alloc_pages_nodemask+0x1d6/0x7a0
[ 69.121518] ? __alloc_pages_slowpath+0x2930/0x2930
[ 69.126538] cache_grow_begin+0x80/0x400
[ 69.130582] kmem_cache_alloc_trace+0x6b2/0x790
[ 69.135239] netdevice_event+0x164/0x6c0
[ 69.139302] ? update_gid_event_work_handler+0xc0/0xc0
[ 69.144578] ? add_netdev_upper_ips+0x40/0x40
[ 69.149063] ? inetaddr_event+0x170/0x170
[ 69.153207] ? _add_netdev_ips+0x40/0x40
[ 69.157255] ? is_eth_port_of_netdev.part.0+0x250/0x250
[ 69.162622] notifier_call_chain+0x111/0x1b0
[ 69.167025] raw_notifier_call_chain+0x2e/0x40
[ 69.171602] call_netdevice_notifiers_info+0x56/0x70
[ 69.176706] netdev_upper_dev_unlink+0xb5/0xe0
[ 69.181271] ? __netdev_adjacent_dev_unlink_neighbour+0x40/0x40
[ 69.187322] batadv_hardif_disable_interface.cold+0x59e/0x70d
[ 69.193192] ? batadv_softif_init_late+0xca0/0xca0
[ 69.198116] batadv_softif_slave_del+0x61/0xc0
[ 69.202686] do_set_master+0xd5/0x200
[ 69.206483] do_setlink+0x99f/0x2d50
[ 69.210182] ? rtnl_register+0x50/0x50
[ 69.214053] ? __lock_acquire+0x5f7/0x4620
[ 69.218268] ? find_next_bit+0x28/0x30
[ 69.222161] ? cpumask_next+0x35/0x40
[ 69.225957] ? cpumask_next_and+0x89/0xb0
[ 69.230095] ? __lock_acquire+0x5f7/0x4620
[ 69.234313] ? save_trace+0x290/0x290
[ 69.238102] ? trace_hardirqs_on+0x10/0x10
[ 69.242318] ? validate_nla+0x201/0x5f0
[ 69.246274] ? nla_parse+0x186/0x240
[ 69.249972] rtnl_newlink+0x11a7/0x1700
[ 69.253926] ? rtnl_newlink+0x8d8/0x1700
[ 69.257970] ? rtnl_link_unregister+0x200/0x200
[ 69.262635] ? finish_task_switch+0x178/0x650
[ 69.267129] ? finish_task_switch+0x14d/0x650
[ 69.271616] ? __mutex_lock+0x951/0x1470
[ 69.275694] ? lock_downgrade+0x740/0x740
[ 69.279845] ? rtnl_link_unregister+0x200/0x200
[ 69.284498] rtnetlink_rcv_msg+0x3eb/0xb70
[ 69.288781] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 69.293365] ? netlink_deliver_tap+0x93/0x8f0
[ 69.297858] netlink_rcv_skb+0x14f/0x3c0
[ 69.301913] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 69.306569] ? lock_downgrade+0x740/0x740
[ 69.310708] ? netlink_ack+0x9a0/0x9a0
[ 69.314583] ? netlink_deliver_tap+0xba/0x8f0
[ 69.319068] rtnetlink_rcv+0x1d/0x30
[ 69.322784] netlink_unicast+0x45d/0x640
[ 69.326829] ? netlink_attachskb+0x6a0/0x6a0
[ 69.331227] ? security_netlink_send+0x81/0xb0
[ 69.335797] netlink_sendmsg+0x7c4/0xc60
[ 69.339857] ? netlink_unicast+0x640/0x640
[ 69.344080] ? security_socket_sendmsg+0x89/0xb0
[ 69.348840] ? netlink_unicast+0x640/0x640
[ 69.353078] sock_sendmsg+0xce/0x110
[ 69.356775] ___sys_sendmsg+0x70a/0x840
[ 69.360738] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 69.365478] ? __fget+0x210/0x370
[ 69.368953] ? find_held_lock+0x35/0x130
[ 69.373002] ? __fget+0x210/0x370
[ 69.376452] ? lock_downgrade+0x740/0x740
[ 69.380600] ? __fget+0x237/0x370
[ 69.384039] ? __fget_light+0x172/0x1f0
[ 69.388009] ? __fdget+0x1b/0x20
[ 69.391359] ? sockfd_lookup_light+0xb4/0x160
[ 69.395848] __sys_sendmsg+0xb9/0x140
[ 69.399630] ? SyS_shutdown+0x170/0x170
[ 69.403604] SyS_sendmsg+0x2d/0x50
[ 69.407140] ? __sys_sendmsg+0x140/0x140
[ 69.411202] do_syscall_64+0x1e8/0x640
[ 69.415073] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 69.419925] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 69.425137] RIP: 0033:0x45a639
[ 69.428317] RSP: 002b:00007f4aace83c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 69.436041] RAX: ffffffffffffffda RBX: 00007f4aace83c90 RCX: 000000000045a639
[ 69.443306] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 69.450605] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
2019/11/25 20:31:01 executed programs: 11
[ 69.457894] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4aace846d4
[ 69.465334] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 69.487154] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready
[ 69.504022] 8021q: adding VLAN 0 to HW filter on device bond0
[ 69.522677] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[ 69.530769] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 69.538417] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 69.550785] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 69.564990] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[ 69.574794] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[ 69.586408] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 69.594921] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 69.614540] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[ 69.625045] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[ 69.636098] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 69.673311] device hsr_slave_0 entered promiscuous mode
[ 69.710505] device hsr_slave_1 entered promiscuous mode
[ 69.751010] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 69.759002] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 69.766779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 69.773767] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 69.783179] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[ 69.791563] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[ 69.797652] 8021q: adding VLAN 0 to HW filter on device team0
[ 69.814882] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[ 69.822718] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 69.831217] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 69.841644] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[ 69.853260] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[ 69.863120] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[ 69.874730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 69.883659] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 69.891828] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 69.899707] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 69.907390] bridge0: port 1(bridge_slave_0) entered blocking state
[ 69.913794] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 69.921790] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 69.937375] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[ 69.950806] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 69.958754] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 69.967132] bridge0: port 2(bridge_slave_1) entered blocking state
[ 69.973674] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 69.982434] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[ 69.988590] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 70.003571] 8021q: adding VLAN 0 to HW filter on device bond0
[ 70.025758] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[ 70.036212] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[ 70.046052] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready
[ 70.053853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 70.066451] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[ 70.074801] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[ 70.087206] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[ 70.095595] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 70.103378] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 70.112211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 70.127274] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 70.136084] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[ 70.148812] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[ 70.161671] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 70.169514] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 70.177600] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 70.184966] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 70.195725] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[ 70.207663] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[ 70.224799] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[ 70.233623] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 70.243990] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 70.252066] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 70.259558] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 70.267336] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 70.275060] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 70.282953] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 70.303486] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[ 70.309597] 8021q: adding VLAN 0 to HW filter on device team0
[ 70.319200] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[ 70.327414] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 70.338864] 8021q: adding VLAN 0 to HW filter on device bond0
[ 70.351281] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[ 70.361802] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[ 70.369834] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 70.378776] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 70.386615] bridge0: port 1(bridge_slave_0) entered blocking state
[ 70.393112] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 70.400918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 70.408784] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 70.416564] bridge0: port 2(bridge_slave_1) entered blocking state
[ 70.422933] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 70.430333] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 70.441988] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[ 70.455152] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[ 70.461871] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 70.470912] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready
[ 70.478113] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[ 70.487268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 70.496750] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[ 70.507754] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[ 70.516391] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[ 70.523423] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 70.531366] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 70.539007] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 70.545982] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 70.554117] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 70.561797] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 70.571415] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[ 70.580902] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[ 70.589018] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 70.596355] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 70.604173] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 70.618389] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 70.626255] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 70.641289] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[ 70.647372] 8021q: adding VLAN 0 to HW filter on device team0
[ 70.662489] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[ 70.675850] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[ 70.684568] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 70.700444] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 70.708145] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 70.721120] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 70.728822] bridge0: port 1(bridge_slave_0) entered blocking state
[ 70.735248] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 70.743845] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[ 70.749926] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 70.762171] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 70.770879] batman_adv: batadv0: Adding interface: gretap0
[ 70.776672] 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.
[ 70.803505] batman_adv: batadv0: Interface activated: gretap0
[ 70.813009] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 70.822066] batman_adv: batadv0: Interface deactivated: gretap0
[ 70.828212] batman_adv: batadv0: Removing interface: gretap0
[ 70.844720] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready
[ 70.852862] FAULT_INJECTION: forcing a failure.
[ 70.852862] name failslab, interval 1, probability 0, space 0, times 0
[ 70.866319] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[ 70.877647] CPU: 0 PID: 7242 Comm: syz-executor.3 Not tainted 4.14.156-syzkaller #0
[ 70.885614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 70.890642] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 70.894985] Call Trace:
[ 70.902999] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 70.904936] dump_stack+0x142/0x197
[ 70.912956] bridge0: port 2(bridge_slave_1) entered blocking state
[ 70.915813] should_fail.cold+0x10f/0x159
[ 70.922183] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 70.926252] should_failslab+0xdb/0x130
[ 70.936693] kmem_cache_alloc_node+0x287/0x780
[ 70.941386] __alloc_skb+0x9c/0x500
[ 70.944994] ? skb_scrub_packet+0x4b0/0x4b0
[ 70.949297] ? rtnl_link_unregister+0x200/0x200
[ 70.953947] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 70.958340] netlink_ack+0x21c/0x9a0
[ 70.962036] ? netlink_sendmsg+0xc60/0xc60
[ 70.966271] netlink_rcv_skb+0x2fc/0x3c0
[ 70.970333] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 70.974904] ? netlink_ack+0x9a0/0x9a0
[ 70.978772] ? netlink_deliver_tap+0xba/0x8f0
[ 70.983250] rtnetlink_rcv+0x1d/0x30
[ 70.986949] netlink_unicast+0x45d/0x640
[ 70.990994] ? netlink_attachskb+0x6a0/0x6a0
[ 70.995387] ? security_netlink_send+0x81/0xb0
[ 70.999975] netlink_sendmsg+0x7c4/0xc60
[ 71.004020] ? netlink_unicast+0x640/0x640
[ 71.008251] ? security_socket_sendmsg+0x89/0xb0
[ 71.012990] ? netlink_unicast+0x640/0x640
[ 71.017208] sock_sendmsg+0xce/0x110
[ 71.020902] ___sys_sendmsg+0x70a/0x840
[ 71.024857] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 71.029596] ? __fget+0x210/0x370
[ 71.033032] ? find_held_lock+0x35/0x130
[ 71.037078] ? __fget+0x210/0x370
[ 71.040515] ? lock_downgrade+0x740/0x740
[ 71.044645] ? __fget+0x237/0x370
[ 71.048079] ? __fget_light+0x172/0x1f0
[ 71.052032] ? __fdget+0x1b/0x20
[ 71.055383] ? sockfd_lookup_light+0xb4/0x160
[ 71.059858] __sys_sendmsg+0xb9/0x140
[ 71.063640] ? SyS_shutdown+0x170/0x170
[ 71.067599] SyS_sendmsg+0x2d/0x50
[ 71.071118] ? __sys_sendmsg+0x140/0x140
[ 71.075174] do_syscall_64+0x1e8/0x640
[ 71.079051] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 71.083893] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 71.089064] RIP: 0033:0x45a639
[ 71.092234] RSP: 002b:00007f7ee59b4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 71.099922] RAX: ffffffffffffffda RBX: 00007f7ee59b4c90 RCX: 000000000045a639
[ 71.107436] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 71.114691] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 71.121954] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ee59b56d4
[ 71.129205] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 71.143634] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[ 71.152919] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[ 71.159902] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 71.167849] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 71.177623] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 71.193271] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[ 71.207206] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 71.221999] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 71.232395] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[ 71.239698] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 71.254946] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 71.265128] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 71.279908] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[ 71.294839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 71.303040] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 71.321335] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[ 71.328191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 71.336520] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 71.352717] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[ 71.365796] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 71.374921] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 71.385020] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[ 71.391606] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 71.407159] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready
[ 71.414730] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[ 71.421704] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 71.428472] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 71.481609] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 72.709856] batman_adv: batadv0: Adding interface: gretap0
[ 72.717592] 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.
[ 72.742750] batman_adv: batadv0: Interface activated: gretap0
[ 72.751685] batman_adv: batadv0: Interface deactivated: gretap0
[ 72.757839] batman_adv: batadv0: Removing interface: gretap0
[ 72.765829] FAULT_INJECTION: forcing a failure.
[ 72.765829] name failslab, interval 1, probability 0, space 0, times 0
[ 72.766630] batman_adv: batadv0: Adding interface: veth0_to_bridge
[ 72.778322] CPU: 0 PID: 7287 Comm: syz-executor.5 Not tainted 4.14.156-syzkaller #0
[ 72.788428] batman_adv: batadv0: The MTU of interface veth0_to_bridge 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.
[ 72.791434] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 72.791439] Call Trace:
[ 72.791455] dump_stack+0x142/0x197
[ 72.791473] should_fail.cold+0x10f/0x159
[ 72.791488] should_failslab+0xdb/0x130
[ 72.791496] kmem_cache_alloc_node_trace+0x280/0x770
[ 72.791512] ? rcu_lockdep_current_cpu_online+0xf2/0x140
[ 72.817069] batman_adv: batadv0: Interface activated: veth0_to_bridge
[ 72.826098] __kmalloc_node_track_caller+0x3d/0x80
[ 72.826113] __kmalloc_reserve.isra.0+0x40/0xe0
[ 72.826123] __alloc_skb+0xcf/0x500
[ 72.826132] ? skb_scrub_packet+0x4b0/0x4b0
[ 72.826142] ? rtnl_link_unregister+0x200/0x200
[ 72.826149] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 72.826163] netlink_ack+0x21c/0x9a0
[ 72.826174] ? netlink_sendmsg+0xc60/0xc60
[ 72.826185] netlink_rcv_skb+0x2fc/0x3c0
[ 72.826193] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 72.900737] ? netlink_ack+0x9a0/0x9a0
[ 72.904623] ? netlink_deliver_tap+0xba/0x8f0
[ 72.909119] rtnetlink_rcv+0x1d/0x30
[ 72.912824] netlink_unicast+0x45d/0x640
[ 72.916889] ? netlink_attachskb+0x6a0/0x6a0
[ 72.921304] ? security_netlink_send+0x81/0xb0
[ 72.925879] netlink_sendmsg+0x7c4/0xc60
[ 72.929941] ? netlink_unicast+0x640/0x640
[ 72.934173] ? security_socket_sendmsg+0x89/0xb0
[ 72.938950] ? netlink_unicast+0x640/0x640
[ 72.943171] sock_sendmsg+0xce/0x110
[ 72.946885] ___sys_sendmsg+0x70a/0x840
[ 72.950851] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 72.955670] ? __fget+0x210/0x370
[ 72.959173] ? find_held_lock+0x35/0x130
[ 72.963233] ? __fget+0x210/0x370
[ 72.966680] ? lock_downgrade+0x740/0x740
[ 72.970822] ? __fget+0x237/0x370
[ 72.974282] ? __fget_light+0x172/0x1f0
[ 72.978245] ? __fdget+0x1b/0x20
[ 72.981598] ? sockfd_lookup_light+0xb4/0x160
[ 72.986093] __sys_sendmsg+0xb9/0x140
[ 72.989885] ? SyS_shutdown+0x170/0x170
[ 72.993860] SyS_sendmsg+0x2d/0x50
[ 72.997403] ? __sys_sendmsg+0x140/0x140
[ 73.001487] do_syscall_64+0x1e8/0x640
[ 73.005369] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 73.010258] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 73.015449] RIP: 0033:0x45a639
[ 73.018638] RSP: 002b:00007ffa7a246c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 73.026349] RAX: ffffffffffffffda RBX: 00007ffa7a246c90 RCX: 000000000045a639
[ 73.033617] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 73.040899] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[ 73.048155] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa7a2476d4
[ 73.055411] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 73.065383] batman_adv: batadv0: Adding interface: gretap0
[ 73.073688] 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.
[ 73.101474] batman_adv: batadv0: Interface activated: gretap0
[ 73.112116] batman_adv: batadv0: Adding interface: gretap0
[ 73.118317] 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.
[ 73.143486] batman_adv: batadv0: Interface activated: gretap0
[ 73.152748] batman_adv: batadv0: Adding interface: gretap0
[ 73.158531] 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.
[ 73.184044] batman_adv: batadv0: Interface activated: gretap0
[ 73.192859] batman_adv: batadv0: Interface deactivated: veth0_to_bridge
[ 73.199720] batman_adv: batadv0: Removing interface: veth0_to_bridge
[ 73.207483] FAULT_INJECTION: forcing a failure.
[ 73.207483] name failslab, interval 1, probability 0, space 0, times 0
[ 73.218998] CPU: 0 PID: 7294 Comm: syz-executor.2 Not tainted 4.14.156-syzkaller #0
[ 73.226804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 73.236147] Call Trace:
[ 73.238734] dump_stack+0x142/0x197
[ 73.242367] should_fail.cold+0x10f/0x159
[ 73.246502] should_failslab+0xdb/0x130
[ 73.250471] kmem_cache_alloc_node_trace+0x5a/0x770
[ 73.255505] __kmalloc_node_track_caller+0x3d/0x80
[ 73.260438] __kmalloc_reserve.isra.0+0x40/0xe0
[ 73.265104] pskb_expand_head+0x116/0xc10
[ 73.269266] ? rtnl_fill_vfinfo+0xbd0/0xbd0
[ 73.273580] ? kasan_kmalloc+0xce/0xf0
[ 73.277462] netlink_trim+0x1c1/0x230
[ 73.281262] netlink_broadcast_filtered+0x5c/0x9f0
[ 73.286194] ? skb_scrub_packet+0x4b0/0x4b0
[ 73.290523] nlmsg_notify+0x7c/0x190
[ 73.294236] rtmsg_ifinfo_event.part.0+0xa1/0xc0
[ 73.299147] rtnetlink_event+0xf4/0x120
[ 73.303114] notifier_call_chain+0x111/0x1b0
[ 73.307509] raw_notifier_call_chain+0x2e/0x40
[ 73.312104] call_netdevice_notifiers_info+0x56/0x70
[ 73.317224] netdev_upper_dev_unlink+0xb5/0xe0
[ 73.321812] ? __netdev_adjacent_dev_unlink_neighbour+0x40/0x40
[ 73.327873] batadv_hardif_disable_interface.cold+0x59e/0x70d
[ 73.333875] ? batadv_softif_init_late+0xca0/0xca0
[ 73.338796] batadv_softif_slave_del+0x61/0xc0
[ 73.343364] do_set_master+0xd5/0x200
[ 73.347152] do_setlink+0x99f/0x2d50
[ 73.350861] ? rtnl_register+0x50/0x50
[ 73.354741] ? trace_hardirqs_on+0x10/0x10
[ 73.358973] ? trace_hardirqs_on+0x10/0x10
[ 73.363234] ? save_trace+0x290/0x290
[ 73.367026] ? __lock_acquire+0x5f7/0x4620
[ 73.371254] ? __lock_is_held+0xb6/0x140
[ 73.375315] ? find_held_lock+0x35/0x130
[ 73.379358] ? save_trace+0x290/0x290
[ 73.383151] ? __update_load_avg_se.isra.0+0x3ba/0x530
[ 73.388427] ? validate_nla+0x201/0x5f0
[ 73.392389] ? nla_parse+0x186/0x240
[ 73.396127] rtnl_newlink+0x11a7/0x1700
[ 73.400094] ? rtnl_newlink+0x8d8/0x1700
[ 73.404170] ? rtnl_link_unregister+0x200/0x200
[ 73.408847] ? find_held_lock+0x35/0x130
[ 73.412898] ? __mutex_lock+0x951/0x1470
[ 73.416950] ? lock_downgrade+0x740/0x740
[ 73.421118] ? rtnl_link_unregister+0x200/0x200
[ 73.425791] rtnetlink_rcv_msg+0x3eb/0xb70
[ 73.430036] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 73.434621] ? netlink_deliver_tap+0x93/0x8f0
[ 73.439138] netlink_rcv_skb+0x14f/0x3c0
[ 73.443197] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 73.447773] ? lock_downgrade+0x740/0x740
[ 73.452020] ? netlink_ack+0x9a0/0x9a0
[ 73.455905] ? netlink_deliver_tap+0xba/0x8f0
[ 73.460421] rtnetlink_rcv+0x1d/0x30
[ 73.464128] netlink_unicast+0x45d/0x640
[ 73.468296] ? netlink_attachskb+0x6a0/0x6a0
[ 73.472706] ? security_netlink_send+0x81/0xb0
[ 73.477279] netlink_sendmsg+0x7c4/0xc60
[ 73.481340] ? netlink_unicast+0x640/0x640
[ 73.485578] ? security_socket_sendmsg+0x89/0xb0
[ 73.490327] ? netlink_unicast+0x640/0x640
[ 73.494553] sock_sendmsg+0xce/0x110
[ 73.498259] ___sys_sendmsg+0x70a/0x840
[ 73.502227] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 73.506978] ? __fget+0x210/0x370
[ 73.510431] ? find_held_lock+0x35/0x130
[ 73.514490] ? __fget+0x210/0x370
[ 73.518093] ? lock_downgrade+0x740/0x740
[ 73.522235] ? __fget+0x237/0x370
[ 73.525681] ? __fget_light+0x172/0x1f0
[ 73.529706] ? __fdget+0x1b/0x20
[ 73.533058] ? sockfd_lookup_light+0xb4/0x160
[ 73.537533] __sys_sendmsg+0xb9/0x140
[ 73.541465] ? SyS_shutdown+0x170/0x170
[ 73.545434] SyS_sendmsg+0x2d/0x50
[ 73.548958] ? __sys_sendmsg+0x140/0x140
[ 73.553011] do_syscall_64+0x1e8/0x640
[ 73.556886] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 73.561727] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 73.566908] RIP: 0033:0x45a639
[ 73.570080] RSP: 002b:00007f4aace83c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 73.577775] RAX: ffffffffffffffda RBX: 00007f4aace83c90 RCX: 000000000045a639
[ 73.585037] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 73.592384] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 73.599648] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4aace846d4
[ 73.606903] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 73.617515] batman_adv: batadv0: Interface deactivated: gretap0
[ 73.634043] batman_adv: batadv0: Removing interface: gretap0
[ 73.646876] batman_adv: batadv0: Interface deactivated: gretap0
[ 73.654743] FAULT_INJECTION: forcing a failure.
[ 73.654743] name failslab, interval 1, probability 0, space 0, times 0
[ 73.666656] batman_adv: batadv0: Removing interface: gretap0
[ 73.674969] FAULT_INJECTION: forcing a failure.
[ 73.674969] name failslab, interval 1, probability 0, space 0, times 0
[ 73.677566] batman_adv: batadv0: Interface deactivated: gretap0
[ 73.686803] CPU: 1 PID: 7295 Comm: syz-executor.4 Not tainted 4.14.156-syzkaller #0
[ 73.700160] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 73.706385] batman_adv: batadv0: Removing interface: gretap0
[ 73.709513] Call Trace:
[ 73.709533] dump_stack+0x142/0x197
[ 73.709552] should_fail.cold+0x10f/0x159
[ 73.725697] should_failslab+0xdb/0x130
[ 73.729685] kmem_cache_alloc_node_trace+0x280/0x770
[ 73.734799] ? rcu_lockdep_current_cpu_online+0xf2/0x140
[ 73.740288] __kmalloc_node_track_caller+0x3d/0x80
[ 73.745221] __kmalloc_reserve.isra.0+0x40/0xe0
[ 73.749882] __alloc_skb+0xcf/0x500
[ 73.753509] ? skb_scrub_packet+0x4b0/0x4b0
[ 73.757835] ? rtnl_link_unregister+0x200/0x200
[ 73.762498] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 73.766919] netlink_ack+0x21c/0x9a0
[ 73.770634] ? netlink_sendmsg+0xc60/0xc60
[ 73.774863] netlink_rcv_skb+0x2fc/0x3c0
[ 73.778912] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 73.783482] ? netlink_ack+0x9a0/0x9a0
[ 73.787353] ? netlink_deliver_tap+0xba/0x8f0
[ 73.791843] rtnetlink_rcv+0x1d/0x30
[ 73.795567] netlink_unicast+0x45d/0x640
[ 73.799611] ? netlink_attachskb+0x6a0/0x6a0
[ 73.804015] ? security_netlink_send+0x81/0xb0
[ 73.808585] netlink_sendmsg+0x7c4/0xc60
[ 73.812660] ? netlink_unicast+0x640/0x640
[ 73.816888] ? security_socket_sendmsg+0x89/0xb0
[ 73.821627] ? netlink_unicast+0x640/0x640
[ 73.825846] sock_sendmsg+0xce/0x110
[ 73.829544] ___sys_sendmsg+0x70a/0x840
[ 73.833515] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 73.838268] ? __fget+0x210/0x370
[ 73.841710] ? find_held_lock+0x35/0x130
[ 73.845764] ? __fget+0x210/0x370
[ 73.849209] ? lock_downgrade+0x740/0x740
[ 73.853350] ? __fget+0x237/0x370
[ 73.856794] ? __fget_light+0x172/0x1f0
[ 73.860750] ? __fdget+0x1b/0x20
[ 73.864100] ? sockfd_lookup_light+0xb4/0x160
[ 73.868584] __sys_sendmsg+0xb9/0x140
[ 73.872372] ? SyS_shutdown+0x170/0x170
[ 73.876343] SyS_sendmsg+0x2d/0x50
[ 73.879864] ? __sys_sendmsg+0x140/0x140
[ 73.883908] do_syscall_64+0x1e8/0x640
[ 73.887776] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 73.892613] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 73.897900] RIP: 0033:0x45a639
[ 73.901076] RSP: 002b:00007f105e1e3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 73.908788] RAX: ffffffffffffffda RBX: 00007f105e1e3c90 RCX: 000000000045a639
[ 73.916049] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 73.923331] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 73.930592] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f105e1e46d4
[ 73.937863] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 73.945145] CPU: 0 PID: 7296 Comm: syz-executor.1 Not tainted 4.14.156-syzkaller #0
[ 73.952960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 73.962403] Call Trace:
[ 73.962421] dump_stack+0x142/0x197
[ 73.962436] should_fail.cold+0x10f/0x159
[ 73.962448] should_failslab+0xdb/0x130
[ 73.962455] kmem_cache_alloc_node+0x287/0x780
[ 73.962474] __alloc_skb+0x9c/0x500
[ 73.968656] ? skb_scrub_packet+0x4b0/0x4b0
[ 73.968665] ? rtnl_link_unregister+0x200/0x200
[ 73.968672] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 73.968683] netlink_ack+0x21c/0x9a0
[ 73.968693] ? netlink_sendmsg+0xc60/0xc60
[ 74.006365] netlink_rcv_skb+0x2fc/0x3c0
[ 74.010420] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 74.015090] ? netlink_ack+0x9a0/0x9a0
[ 74.018977] ? netlink_deliver_tap+0xba/0x8f0
[ 74.023455] rtnetlink_rcv+0x1d/0x30
[ 74.027152] netlink_unicast+0x45d/0x640
[ 74.031198] ? netlink_attachskb+0x6a0/0x6a0
[ 74.035613] ? security_netlink_send+0x81/0xb0
[ 74.040185] netlink_sendmsg+0x7c4/0xc60
[ 74.044237] ? netlink_unicast+0x640/0x640
[ 74.048454] ? security_socket_sendmsg+0x89/0xb0
[ 74.053188] ? netlink_unicast+0x640/0x640
[ 74.057404] sock_sendmsg+0xce/0x110
[ 74.061125] ___sys_sendmsg+0x70a/0x840
[ 74.065148] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 74.069912] ? __fget+0x210/0x370
[ 74.073359] ? find_held_lock+0x35/0x130
[ 74.077521] ? __fget+0x210/0x370
[ 74.080974] ? lock_downgrade+0x740/0x740
[ 74.085184] ? __fget+0x237/0x370
[ 74.088628] ? __fget_light+0x172/0x1f0
[ 74.092592] ? __fdget+0x1b/0x20
[ 74.095943] ? sockfd_lookup_light+0xb4/0x160
[ 74.100422] __sys_sendmsg+0xb9/0x140
[ 74.104207] ? SyS_shutdown+0x170/0x170
[ 74.108171] SyS_sendmsg+0x2d/0x50
[ 74.111692] ? __sys_sendmsg+0x140/0x140
[ 74.115737] do_syscall_64+0x1e8/0x640
[ 74.119605] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 74.124432] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 74.129701] RIP: 0033:0x45a639
[ 74.132875] RSP: 002b:00007f0dbf85ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 74.140578] RAX: ffffffffffffffda RBX: 00007f0dbf85ec90 RCX: 000000000045a639
[ 74.147832] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 74.155085] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 74.162345] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0dbf85f6d4
[ 74.169595] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 74.182150] FAULT_INJECTION: forcing a failure.
[ 74.182150] name failslab, interval 1, probability 0, space 0, times 0
[ 74.199156] CPU: 0 PID: 7297 Comm: syz-executor.0 Not tainted 4.14.156-syzkaller #0
[ 74.206993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 74.216350] Call Trace:
[ 74.216370] dump_stack+0x142/0x197
[ 74.216387] should_fail.cold+0x10f/0x159
[ 74.216404] should_failslab+0xdb/0x130
[ 74.226912] kmem_cache_alloc_node+0x287/0x780
[ 74.226932] __alloc_skb+0x9c/0x500
[ 74.226941] ? skb_scrub_packet+0x4b0/0x4b0
[ 74.226950] ? rtnl_link_unregister+0x200/0x200
[ 74.226958] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 74.252684] netlink_ack+0x21c/0x9a0
[ 74.256421] ? netlink_sendmsg+0xc60/0xc60
[ 74.260668] netlink_rcv_skb+0x2fc/0x3c0
[ 74.264736] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 74.269327] ? netlink_ack+0x9a0/0x9a0
[ 74.273223] ? netlink_deliver_tap+0xba/0x8f0
[ 74.277748] rtnetlink_rcv+0x1d/0x30
[ 74.277759] netlink_unicast+0x45d/0x640
[ 74.277772] ? netlink_attachskb+0x6a0/0x6a0
[ 74.277786] ? security_netlink_send+0x81/0xb0
[ 74.277795] netlink_sendmsg+0x7c4/0xc60
[ 74.277807] ? netlink_unicast+0x640/0x640
[ 74.286626] ? security_socket_sendmsg+0x89/0xb0
[ 74.286639] ? netlink_unicast+0x640/0x640
[ 74.286651] sock_sendmsg+0xce/0x110
[ 74.286660] ___sys_sendmsg+0x70a/0x840
[ 74.286670] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 74.286681] ? __fget+0x210/0x370
[ 74.286695] ? find_held_lock+0x35/0x130
[ 74.308703] ? __fget+0x210/0x370
[ 74.308722] ? lock_downgrade+0x740/0x740
[ 74.320647] ? __fget+0x237/0x370
[ 74.320661] ? __fget_light+0x172/0x1f0
[ 74.320668] ? __fdget+0x1b/0x20
[ 74.320678] ? sockfd_lookup_light+0xb4/0x160
[ 74.320687] __sys_sendmsg+0xb9/0x140
[ 74.320694] ? SyS_shutdown+0x170/0x170
[ 74.320712] SyS_sendmsg+0x2d/0x50
[ 74.367058] ? __sys_sendmsg+0x140/0x140
[ 74.371124] do_syscall_64+0x1e8/0x640
[ 74.375010] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 74.379868] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 74.385050] RIP: 0033:0x45a639
[ 74.388239] RSP: 002b:00007f853b5bfc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 74.395933] RAX: ffffffffffffffda RBX: 00007f853b5bfc90 RCX: 000000000045a639
[ 74.403371] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 74.410644] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 74.418042] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f853b5c06d4
[ 74.425335] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 74.433849] device bridge_slave_1 left promiscuous mode
[ 74.439431] bridge0: port 2(bridge_slave_1) entered disabled state
[ 74.475526] batman_adv: batadv0: Adding interface: bridge_slave_1
[ 74.483033] 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.
[ 74.508938] batman_adv: batadv0: Interface activated: bridge_slave_1
[ 74.517125] batman_adv: batadv0: Interface deactivated: bridge_slave_1
2019/11/25 20:31:06 executed programs: 29
[ 74.524503] batman_adv: batadv0: Removing interface: bridge_slave_1
[ 74.532537] FAULT_INJECTION: forcing a failure.
[ 74.532537] name failslab, interval 1, probability 0, space 0, times 0
[ 74.577405] batman_adv: batadv0: Adding interface: ip6gretap0
[ 74.585908] CPU: 0 PID: 7306 Comm: syz-executor.2 Not tainted 4.14.156-syzkaller #0
[ 74.593740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 74.593745] Call Trace:
[ 74.593762] dump_stack+0x142/0x197
[ 74.593779] should_fail.cold+0x10f/0x159
[ 74.593798] should_failslab+0xdb/0x130
[ 74.605888] kmem_cache_alloc_node_trace+0x280/0x770
[ 74.605903] ? rcu_lockdep_current_cpu_online+0xf2/0x140
[ 74.605916] __kmalloc_node_track_caller+0x3d/0x80
[ 74.605928] __kmalloc_reserve.isra.0+0x40/0xe0
[ 74.605940] __alloc_skb+0xcf/0x500
[ 74.613713] ? skb_scrub_packet+0x4b0/0x4b0
[ 74.613723] ? rtnl_link_unregister+0x200/0x200
[ 74.613729] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 74.613742] netlink_ack+0x21c/0x9a0
[ 74.613750] ? netlink_sendmsg+0xc60/0xc60
[ 74.613760] netlink_rcv_skb+0x2fc/0x3c0
[ 74.613768] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 74.613777] ? netlink_ack+0x9a0/0x9a0
[ 74.613789] ? netlink_deliver_tap+0xba/0x8f0
[ 74.613801] rtnetlink_rcv+0x1d/0x30
[ 74.613808] netlink_unicast+0x45d/0x640
[ 74.613821] ? netlink_attachskb+0x6a0/0x6a0
[ 74.628498] ? security_netlink_send+0x81/0xb0
[ 74.628514] netlink_sendmsg+0x7c4/0xc60
[ 74.628529] ? netlink_unicast+0x640/0x640
[ 74.628540] ? security_socket_sendmsg+0x89/0xb0
[ 74.628551] ? netlink_unicast+0x640/0x640
[ 74.646186] sock_sendmsg+0xce/0x110
[ 74.646198] ___sys_sendmsg+0x70a/0x840
[ 74.646209] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 74.646221] ? __fget+0x210/0x370
[ 74.646236] ? find_held_lock+0x35/0x130
[ 74.720570] 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.
[ 74.722326] ? __fget+0x210/0x370
[ 74.722348] ? lock_downgrade+0x740/0x740
[ 74.722360] ? __fget+0x237/0x370
[ 74.722370] ? __fget_light+0x172/0x1f0
[ 74.728049] batman_adv: batadv0: Interface activated: ip6gretap0
[ 74.730581] ? __fdget+0x1b/0x20
[ 74.730593] ? sockfd_lookup_light+0xb4/0x160
[ 74.730604] __sys_sendmsg+0xb9/0x140
[ 74.730613] ? SyS_shutdown+0x170/0x170
[ 74.730633] SyS_sendmsg+0x2d/0x50
[ 74.730638] ? __sys_sendmsg+0x140/0x140
[ 74.730650] do_syscall_64+0x1e8/0x640
[ 74.730657] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 74.730673] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 74.730679] RIP: 0033:0x45a639
[ 74.730686] RSP: 002b:00007f4aace83c78 EFLAGS: 00000246
[ 74.737036] batman_adv: batadv0: Adding interface: ip6gretap0
[ 74.759550] ORIG_RAX: 000000000000002e
[ 74.759557] RAX: ffffffffffffffda RBX: 00007f4aace83c90 RCX: 000000000045a639
[ 74.759561] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 74.759565] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 74.759569] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4aace846d4
[ 74.759572] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 74.806558] 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.
[ 74.815490] batman_adv: batadv0: Interface activated: ip6gretap0
[ 74.906710] batman_adv: batadv0: Adding interface: ip6gretap0
[ 74.913182] 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.
[ 74.939089] batman_adv: batadv0: Interface activated: ip6gretap0
[ 74.945753] batman_adv: batadv0: Interface deactivated: ip6gretap0
[ 74.952896] batman_adv: batadv0: Removing interface: ip6gretap0
[ 74.960162] batman_adv: batadv0: Interface deactivated: ip6gretap0
[ 74.966501] batman_adv: batadv0: Removing interface: ip6gretap0
[ 74.972628] FAULT_INJECTION: forcing a failure.
[ 74.972628] name failslab, interval 1, probability 0, space 0, times 0
[ 74.983863] CPU: 1 PID: 7343 Comm: syz-executor.5 Not tainted 4.14.156-syzkaller #0
[ 74.986911] batman_adv: batadv0: Adding interface: veth1_to_bond
[ 74.991647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 74.991652] Call Trace:
[ 74.991668] dump_stack+0x142/0x197
[ 74.991686] should_fail.cold+0x10f/0x159
[ 74.991707] should_failslab+0xdb/0x130
[ 74.991716] kmem_cache_alloc_node+0x287/0x780
[ 74.991734] __alloc_skb+0x9c/0x500
[ 74.991741] ? skb_scrub_packet+0x4b0/0x4b0
[ 74.991751] ? rtnl_link_unregister+0x200/0x200
[ 74.991757] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 74.991771] netlink_ack+0x21c/0x9a0
[ 74.991780] ? netlink_sendmsg+0xc60/0xc60
[ 74.991791] netlink_rcv_skb+0x2fc/0x3c0
[ 75.003152] batman_adv: batadv0: The MTU of interface veth1_to_bond 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.
[ 75.007289] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 75.007302] ? netlink_ack+0x9a0/0x9a0
[ 75.007313] ? netlink_deliver_tap+0xba/0x8f0
[ 75.007325] rtnetlink_rcv+0x1d/0x30
[ 75.007334] netlink_unicast+0x45d/0x640
[ 75.007346] ? netlink_attachskb+0x6a0/0x6a0
[ 75.007361] ? security_netlink_send+0x81/0xb0
[ 75.007370] netlink_sendmsg+0x7c4/0xc60
[ 75.007382] ? netlink_unicast+0x640/0x640
[ 75.012124] FAULT_INJECTION: forcing a failure.
[ 75.012124] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[ 75.013567] ? security_socket_sendmsg+0x89/0xb0
[ 75.134452] ? netlink_unicast+0x640/0x640
[ 75.138685] sock_sendmsg+0xce/0x110
[ 75.142403] ___sys_sendmsg+0x70a/0x840
[ 75.146367] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 75.151908] ? __fget+0x210/0x370
[ 75.155349] ? find_held_lock+0x35/0x130
[ 75.159394] ? __fget+0x210/0x370
[ 75.162835] ? lock_downgrade+0x740/0x740
[ 75.166984] ? __fget+0x237/0x370
[ 75.170426] ? __fget_light+0x172/0x1f0
[ 75.174385] ? __fdget+0x1b/0x20
[ 75.177736] ? sockfd_lookup_light+0xb4/0x160
[ 75.182214] __sys_sendmsg+0xb9/0x140
[ 75.185997] ? SyS_shutdown+0x170/0x170
[ 75.189962] SyS_sendmsg+0x2d/0x50
[ 75.193480] ? __sys_sendmsg+0x140/0x140
[ 75.197524] do_syscall_64+0x1e8/0x640
[ 75.201399] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 75.206248] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 75.211418] RIP: 0033:0x45a639
[ 75.214587] RSP: 002b:00007ffa7a225c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 75.222308] RAX: ffffffffffffffda RBX: 00007ffa7a225c90 RCX: 000000000045a639
[ 75.229566] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 75.236827] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 75.244079] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa7a2266d4
[ 75.251329] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 75.258618] CPU: 0 PID: 7342 Comm: syz-executor.4 Not tainted 4.14.156-syzkaller #0
[ 75.259048] batman_adv: batadv0: Interface activated: veth1_to_bond
[ 75.267018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 75.267022] Call Trace:
[ 75.267037] dump_stack+0x142/0x197
[ 75.267051] should_fail.cold+0x10f/0x159
[ 75.267064] __alloc_pages_nodemask+0x1d6/0x7a0
[ 75.267073] ? fs_reclaim_acquire+0x20/0x20
[ 75.267082] ? __alloc_pages_slowpath+0x2930/0x2930
[ 75.307144] cache_grow_begin+0x80/0x400
[ 75.311186] kmem_cache_alloc_node+0x6a4/0x780
[ 75.315750] __alloc_skb+0x9c/0x500
[ 75.319409] ? skb_scrub_packet+0x4b0/0x4b0
[ 75.323770] ? rtnl_link_unregister+0x200/0x200
[ 75.328434] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 75.332857] netlink_ack+0x21c/0x9a0
[ 75.336552] ? netlink_sendmsg+0xc60/0xc60
[ 75.340770] netlink_rcv_skb+0x2fc/0x3c0
[ 75.344814] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 75.349375] ? netlink_ack+0x9a0/0x9a0
[ 75.353256] ? netlink_deliver_tap+0xba/0x8f0
[ 75.357744] rtnetlink_rcv+0x1d/0x30
[ 75.361437] netlink_unicast+0x45d/0x640
[ 75.365478] ? netlink_attachskb+0x6a0/0x6a0
[ 75.369882] ? security_netlink_send+0x81/0xb0
[ 75.374456] netlink_sendmsg+0x7c4/0xc60
[ 75.378506] ? netlink_unicast+0x640/0x640
[ 75.382732] ? security_socket_sendmsg+0x89/0xb0
[ 75.387512] ? netlink_unicast+0x640/0x640
[ 75.391729] sock_sendmsg+0xce/0x110
[ 75.395423] ___sys_sendmsg+0x70a/0x840
[ 75.399386] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 75.404131] ? __fget+0x210/0x370
[ 75.407565] ? find_held_lock+0x35/0x130
[ 75.411605] ? __fget+0x210/0x370
[ 75.415037] ? lock_downgrade+0x740/0x740
[ 75.419162] ? __fget+0x237/0x370
[ 75.422595] ? __fget_light+0x172/0x1f0
[ 75.426559] ? __fdget+0x1b/0x20
[ 75.429901] ? sockfd_lookup_light+0xb4/0x160
[ 75.434375] __sys_sendmsg+0xb9/0x140
[ 75.438177] ? SyS_shutdown+0x170/0x170
[ 75.442137] SyS_sendmsg+0x2d/0x50
[ 75.445665] ? __sys_sendmsg+0x140/0x140
[ 75.449715] do_syscall_64+0x1e8/0x640
[ 75.453579] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 75.458404] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 75.463574] RIP: 0033:0x45a639
[ 75.466750] RSP: 002b:00007f105e1e3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 75.474456] RAX: ffffffffffffffda RBX: 00007f105e1e3c90 RCX: 000000000045a639
[ 75.481726] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 75.488983] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 75.496234] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f105e1e46d4
[ 75.503490] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 75.513753] batman_adv: batadv0: Interface deactivated: ip6gretap0
[ 75.535959] batman_adv: batadv0: Removing interface: ip6gretap0
[ 75.556669] FAULT_INJECTION: forcing a failure.
[ 75.556669] name failslab, interval 1, probability 0, space 0, times 0
[ 75.568442] CPU: 1 PID: 7337 Comm: syz-executor.1 Not tainted 4.14.156-syzkaller #0
[ 75.576381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 75.585732] Call Trace:
[ 75.588324] dump_stack+0x142/0x197
[ 75.592045] should_fail.cold+0x10f/0x159
[ 75.596256] should_failslab+0xdb/0x130
[ 75.600222] kmem_cache_alloc_trace+0x2e9/0x790
[ 75.604889] ? netlink_broadcast_filtered+0x307/0x9f0
[ 75.610083] netdevice_event+0x164/0x6c0
[ 75.614137] ? update_gid_event_work_handler+0xc0/0xc0
[ 75.619403] ? add_netdev_upper_ips+0x40/0x40
[ 75.623885] ? inetaddr_event+0x170/0x170
[ 75.628111] ? _add_netdev_ips+0x40/0x40
[ 75.632163] ? is_eth_port_of_netdev.part.0+0x250/0x250
[ 75.637516] notifier_call_chain+0x111/0x1b0
[ 75.641919] raw_notifier_call_chain+0x2e/0x40
[ 75.646585] call_netdevice_notifiers_info+0x56/0x70
[ 75.651732] netdev_upper_dev_unlink+0xb5/0xe0
[ 75.656308] ? __netdev_adjacent_dev_unlink_neighbour+0x40/0x40
[ 75.662362] batadv_hardif_disable_interface.cold+0x59e/0x70d
[ 75.668233] ? batadv_softif_init_late+0xca0/0xca0
[ 75.673151] batadv_softif_slave_del+0x61/0xc0
[ 75.677737] do_set_master+0xd5/0x200
[ 75.681543] do_setlink+0x99f/0x2d50
[ 75.685248] ? rtnl_register+0x50/0x50
[ 75.689157] ? trace_hardirqs_on+0x10/0x10
[ 75.693409] ? trace_hardirqs_on+0x10/0x10
[ 75.697636] ? save_trace+0x290/0x290
[ 75.701432] ? __lock_acquire+0x5f7/0x4620
[ 75.705665] ? __lock_is_held+0xb6/0x140
[ 75.709708] ? find_held_lock+0x35/0x130
[ 75.713751] ? save_trace+0x290/0x290
[ 75.717537] ? trace_hardirqs_on+0x10/0x10
[ 75.721755] ? validate_nla+0x201/0x5f0
[ 75.725715] ? nla_parse+0x186/0x240
[ 75.729412] rtnl_newlink+0x11a7/0x1700
[ 75.733365] ? rtnl_newlink+0x8d8/0x1700
[ 75.737423] ? rtnl_link_unregister+0x200/0x200
[ 75.742102] ? finish_task_switch+0x178/0x650
[ 75.746575] ? finish_task_switch+0x14d/0x650
[ 75.751057] ? __mutex_lock+0x951/0x1470
[ 75.755127] ? lock_downgrade+0x740/0x740
[ 75.759272] ? rtnl_link_unregister+0x200/0x200
[ 75.763922] rtnetlink_rcv_msg+0x3eb/0xb70
[ 75.768142] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 75.772706] ? netlink_deliver_tap+0x93/0x8f0
[ 75.777193] netlink_rcv_skb+0x14f/0x3c0
[ 75.781241] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 75.785814] ? lock_downgrade+0x740/0x740
[ 75.789943] ? netlink_ack+0x9a0/0x9a0
[ 75.793813] ? netlink_deliver_tap+0xba/0x8f0
[ 75.798289] rtnetlink_rcv+0x1d/0x30
[ 75.801984] netlink_unicast+0x45d/0x640
[ 75.806024] ? netlink_attachskb+0x6a0/0x6a0
[ 75.810427] ? security_netlink_send+0x81/0xb0
[ 75.814995] netlink_sendmsg+0x7c4/0xc60
[ 75.819049] ? netlink_unicast+0x640/0x640
[ 75.823267] ? security_socket_sendmsg+0x89/0xb0
[ 75.828005] ? netlink_unicast+0x640/0x640
[ 75.832224] sock_sendmsg+0xce/0x110
[ 75.835916] ___sys_sendmsg+0x70a/0x840
[ 75.839887] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 75.844625] ? __fget+0x210/0x370
[ 75.848061] ? find_held_lock+0x35/0x130
[ 75.852099] ? __fget+0x210/0x370
[ 75.855536] ? lock_downgrade+0x740/0x740
[ 75.859664] ? __fget+0x237/0x370
[ 75.863101] ? __fget_light+0x172/0x1f0
[ 75.867075] ? __fdget+0x1b/0x20
[ 75.870423] ? sockfd_lookup_light+0xb4/0x160
[ 75.874898] __sys_sendmsg+0xb9/0x140
[ 75.878675] ? SyS_shutdown+0x170/0x170
[ 75.882644] SyS_sendmsg+0x2d/0x50
[ 75.886176] ? __sys_sendmsg+0x140/0x140
[ 75.890221] do_syscall_64+0x1e8/0x640
[ 75.894095] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 75.898936] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 75.904106] RIP: 0033:0x45a639
[ 75.907275] RSP: 002b:00007f0dbf87fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 75.915063] RAX: ffffffffffffffda RBX: 00007f0dbf87fc90 RCX: 000000000045a639
[ 75.922313] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 75.929564] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[ 75.936811] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0dbf8806d4
[ 75.944070] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 75.955313] batman_adv: batadv0: Interface deactivated: veth1_to_bond
[ 75.974065] batman_adv: batadv0: Removing interface: veth1_to_bond
[ 75.996755] FAULT_INJECTION: forcing a failure.
[ 75.996755] name failslab, interval 1, probability 0, space 0, times 0
[ 75.997493] batman_adv: batadv0: Adding interface: bridge0
[ 76.014087] batman_adv: batadv0: The MTU of interface bridge0 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.
[ 76.014635] CPU: 0 PID: 7355 Comm: syz-executor.2 Not tainted 4.14.156-syzkaller #0
[ 76.039474] batman_adv: batadv0: Interface activated: bridge0
[ 76.046414] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 76.046418] Call Trace:
[ 76.046433] dump_stack+0x142/0x197
[ 76.046448] should_fail.cold+0x10f/0x159
[ 76.046461] should_failslab+0xdb/0x130
[ 76.046470] kmem_cache_alloc_node_trace+0x280/0x770
[ 76.060109] batman_adv: batadv0: Interface deactivated: bridge0
[ 76.061683] ? rcu_lockdep_current_cpu_online+0xf2/0x140
[ 76.061695] __kmalloc_node_track_caller+0x3d/0x80
[ 76.064274] batman_adv: batadv0: Removing interface: bridge0
[ 76.067865] __kmalloc_reserve.isra.0+0x40/0xe0
[ 76.107804] __alloc_skb+0xcf/0x500
[ 76.111431] ? skb_scrub_packet+0x4b0/0x4b0
[ 76.115731] ? rtnl_link_unregister+0x200/0x200
[ 76.120384] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 76.124791] netlink_ack+0x21c/0x9a0
[ 76.128491] ? netlink_sendmsg+0xc60/0xc60
[ 76.132705] netlink_rcv_skb+0x2fc/0x3c0
[ 76.136831] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 76.141397] ? netlink_ack+0x9a0/0x9a0
[ 76.145274] ? netlink_deliver_tap+0xba/0x8f0
[ 76.149748] rtnetlink_rcv+0x1d/0x30
[ 76.153439] netlink_unicast+0x45d/0x640
[ 76.157481] ? netlink_attachskb+0x6a0/0x6a0
[ 76.161870] ? security_netlink_send+0x81/0xb0
[ 76.166427] netlink_sendmsg+0x7c4/0xc60
[ 76.170473] ? netlink_unicast+0x640/0x640
[ 76.174696] ? security_socket_sendmsg+0x89/0xb0
[ 76.179431] ? netlink_unicast+0x640/0x640
[ 76.183646] sock_sendmsg+0xce/0x110
[ 76.187338] ___sys_sendmsg+0x70a/0x840
[ 76.191307] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 76.196060] ? __fget+0x210/0x370
[ 76.199516] ? find_held_lock+0x35/0x130
[ 76.203588] ? __fget+0x210/0x370
[ 76.207047] ? lock_downgrade+0x740/0x740
[ 76.211253] ? __fget+0x237/0x370
[ 76.214700] ? __fget_light+0x172/0x1f0
[ 76.218661] ? __fdget+0x1b/0x20
[ 76.222023] ? sockfd_lookup_light+0xb4/0x160
[ 76.226501] __sys_sendmsg+0xb9/0x140
[ 76.230296] ? SyS_shutdown+0x170/0x170
[ 76.234286] SyS_sendmsg+0x2d/0x50
[ 76.237817] ? __sys_sendmsg+0x140/0x140
[ 76.241870] do_syscall_64+0x1e8/0x640
[ 76.245735] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 76.250570] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 76.255747] RIP: 0033:0x45a639
[ 76.259039] RSP: 002b:00007f4aace83c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 76.266730] RAX: ffffffffffffffda RBX: 00007f4aace83c90 RCX: 000000000045a639
[ 76.273992] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 76.281244] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 76.288506] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4aace846d4
[ 76.295765] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 76.304714] FAULT_INJECTION: forcing a failure.
[ 76.304714] name failslab, interval 1, probability 0, space 0, times 0
[ 76.311754] batman_adv: batadv0: Adding interface: bond0
[ 76.322028] batman_adv: batadv0: The MTU of interface bond0 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.
[ 76.326525] CPU: 1 PID: 7357 Comm: syz-executor.3 Not tainted 4.14.156-syzkaller #0
[ 76.346927] batman_adv: batadv0: Interface activated: bond0
[ 76.354300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 76.354305] Call Trace:
[ 76.354322] dump_stack+0x142/0x197
[ 76.354338] should_fail.cold+0x10f/0x159
[ 76.354350] should_failslab+0xdb/0x130
[ 76.354358] kmem_cache_alloc+0x47/0x780
[ 76.354369] ? lock_acquire+0x16f/0x430
[ 76.354376] ? check_preemption_disabled+0x3c/0x250
[ 76.354387] skb_clone+0x129/0x320
[ 76.367858] batman_adv: batadv0: Adding interface: bond0
[ 76.369455] netlink_deliver_tap+0x681/0x8f0
[ 76.369467] ? sock_ops_is_valid_access+0x70/0x70
[ 76.369479] __netlink_sendskb+0x49/0xa0
[ 76.369489] netlink_unicast+0x525/0x640
[ 76.369500] ? netlink_attachskb+0x6a0/0x6a0
[ 76.369511] netlink_ack+0x51d/0x9a0
[ 76.369521] ? netlink_sendmsg+0xc60/0xc60
[ 76.372344] batman_adv: batadv0: The MTU of interface bond0 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.
[ 76.375725] netlink_rcv_skb+0x2fc/0x3c0
[ 76.375735] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 76.375745] ? netlink_ack+0x9a0/0x9a0
[ 76.375756] ? netlink_deliver_tap+0xba/0x8f0
[ 76.375767] rtnetlink_rcv+0x1d/0x30
[ 76.375776] netlink_unicast+0x45d/0x640
[ 76.380667] batman_adv: batadv0: Interface activated: bond0
[ 76.383866] ? netlink_attachskb+0x6a0/0x6a0
[ 76.383879] ? security_netlink_send+0x81/0xb0
[ 76.383889] netlink_sendmsg+0x7c4/0xc60
[ 76.383902] ? netlink_unicast+0x640/0x640
[ 76.383915] ? security_socket_sendmsg+0x89/0xb0
[ 76.388811] batman_adv: batadv0: Interface deactivated: bond0
[ 76.392101] ? netlink_unicast+0x640/0x640
[ 76.392113] sock_sendmsg+0xce/0x110
[ 76.392123] ___sys_sendmsg+0x70a/0x840
[ 76.392134] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 76.392144] ? __fget+0x210/0x370
[ 76.392153] ? find_held_lock+0x35/0x130
[ 76.392159] ? __fget+0x210/0x370
[ 76.392177] ? lock_downgrade+0x740/0x740
[ 76.392187] ? __fget+0x237/0x370
[ 76.392197] ? __fget_light+0x172/0x1f0
[ 76.392205] ? __fdget+0x1b/0x20
[ 76.392212] ? sockfd_lookup_light+0xb4/0x160
[ 76.392222] __sys_sendmsg+0xb9/0x140
[ 76.392229] ? SyS_shutdown+0x170/0x170
[ 76.392247] SyS_sendmsg+0x2d/0x50
[ 76.392253] ? __sys_sendmsg+0x140/0x140
[ 76.392262] do_syscall_64+0x1e8/0x640
[ 76.392268] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 76.392282] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 76.392288] RIP: 0033:0x45a639
[ 76.392292] RSP: 002b:00007f7ee59b4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 76.392300] RAX: ffffffffffffffda RBX: 00007f7ee59b4c90 RCX: 000000000045a639
[ 76.392304] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 76.392308] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 76.392313] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ee59b56d4
[ 76.392316] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 76.403013] batman_adv: batadv0: Removing interface: bond0
[ 76.421585] FAULT_INJECTION: forcing a failure.
[ 76.421585] name failslab, interval 1, probability 0, space 0, times 0
[ 76.440936] batman_adv: batadv0: Interface deactivated: bond0
[ 76.469701] CPU: 0 PID: 7364 Comm: syz-executor.4 Not tainted 4.14.156-syzkaller #0
[ 76.481703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 76.481708] Call Trace:
[ 76.481721] dump_stack+0x142/0x197
[ 76.481736] should_fail.cold+0x10f/0x159
[ 76.481750] should_failslab+0xdb/0x130
[ 76.481758] kmem_cache_alloc_node_trace+0x280/0x770
[ 76.481770] ? rcu_lockdep_current_cpu_online+0xf2/0x140
[ 76.481780] __kmalloc_node_track_caller+0x3d/0x80
[ 76.481792] __kmalloc_reserve.isra.0+0x40/0xe0
[ 76.491529] __alloc_skb+0xcf/0x500
[ 76.491538] ? skb_scrub_packet+0x4b0/0x4b0
[ 76.491546] ? rtnl_link_unregister+0x200/0x200
[ 76.491553] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 76.491566] netlink_ack+0x21c/0x9a0
[ 76.491576] ? netlink_sendmsg+0xc60/0xc60
[ 76.491588] netlink_rcv_skb+0x2fc/0x3c0
[ 76.491596] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 76.491605] ? netlink_ack+0x9a0/0x9a0
[ 76.491616] ? netlink_deliver_tap+0xba/0x8f0
[ 76.501807] batman_adv: batadv0: Removing interface: bond0
[ 76.504618] rtnetlink_rcv+0x1d/0x30
[ 76.504631] netlink_unicast+0x45d/0x640
[ 76.504643] ? netlink_attachskb+0x6a0/0x6a0
[ 76.504655] ? security_netlink_send+0x81/0xb0
[ 76.504670] netlink_sendmsg+0x7c4/0xc60
[ 76.785709] ? netlink_unicast+0x640/0x640
[ 76.789937] ? security_socket_sendmsg+0x89/0xb0
[ 76.794691] ? netlink_unicast+0x640/0x640
[ 76.798929] sock_sendmsg+0xce/0x110
[ 76.802631] ___sys_sendmsg+0x70a/0x840
[ 76.806585] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 76.811329] ? __fget+0x210/0x370
[ 76.814762] ? find_held_lock+0x35/0x130
[ 76.818816] ? __fget+0x210/0x370
[ 76.822255] ? lock_downgrade+0x740/0x740
[ 76.826390] ? __fget+0x237/0x370
[ 76.829836] ? __fget_light+0x172/0x1f0
[ 76.833802] ? __fdget+0x1b/0x20
[ 76.837154] ? sockfd_lookup_light+0xb4/0x160
[ 76.841629] __sys_sendmsg+0xb9/0x140
[ 76.845412] ? SyS_shutdown+0x170/0x170
[ 76.849372] SyS_sendmsg+0x2d/0x50
[ 76.852900] ? __sys_sendmsg+0x140/0x140
[ 76.856940] do_syscall_64+0x1e8/0x640
[ 76.860814] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 76.865660] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 76.870838] RIP: 0033:0x45a639
[ 76.874018] RSP: 002b:00007f105e1e3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 76.881703] RAX: ffffffffffffffda RBX: 00007f105e1e3c90 RCX: 000000000045a639
[ 76.888952] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 76.896201] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 76.903453] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f105e1e46d4
[ 76.910707] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 76.919713] FAULT_INJECTION: forcing a failure.
[ 76.919713] name failslab, interval 1, probability 0, space 0, times 0
[ 76.920798] batman_adv: batadv0: Adding interface: bridge0
[ 76.939942] batman_adv: batadv0: The MTU of interface bridge0 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.
[ 76.941297] CPU: 1 PID: 7365 Comm: syz-executor.5 Not tainted 4.14.156-syzkaller #0
[ 76.964948] batman_adv: batadv0: Interface activated: bridge0
[ 76.972415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 76.972419] Call Trace:
[ 76.972433] dump_stack+0x142/0x197
[ 76.972448] should_fail.cold+0x10f/0x159
[ 76.972460] should_failslab+0xdb/0x130
[ 76.972468] kmem_cache_alloc_node+0x287/0x780
[ 76.972482] __alloc_skb+0x9c/0x500
[ 76.981194] batman_adv: batadv0: Adding interface: bond0
[ 76.987684] ? skb_scrub_packet+0x4b0/0x4b0
[ 76.987693] ? rtnl_link_unregister+0x200/0x200
[ 76.987701] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 76.990678] batman_adv: batadv0: The MTU of interface bond0 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.
[ 76.993878] netlink_ack+0x21c/0x9a0
[ 76.998071] batman_adv: batadv0: Interface activated: bond0
[ 77.001954] ? netlink_sendmsg+0xc60/0xc60
[ 77.001965] netlink_rcv_skb+0x2fc/0x3c0
[ 77.001974] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 77.001982] ? netlink_ack+0x9a0/0x9a0
[ 77.001992] ? netlink_deliver_tap+0xba/0x8f0
[ 77.002001] rtnetlink_rcv+0x1d/0x30
[ 77.002008] netlink_unicast+0x45d/0x640
[ 77.002018] ? netlink_attachskb+0x6a0/0x6a0
[ 77.002029] ? security_netlink_send+0x81/0xb0
[ 77.002038] netlink_sendmsg+0x7c4/0xc60
[ 77.002050] ? netlink_unicast+0x640/0x640
[ 77.002062] ? security_socket_sendmsg+0x89/0xb0
[ 77.002069] ? netlink_unicast+0x640/0x640
[ 77.002079] sock_sendmsg+0xce/0x110
[ 77.002088] ___sys_sendmsg+0x70a/0x840
[ 77.002098] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 77.002108] ? __fget+0x210/0x370
[ 77.002117] ? find_held_lock+0x35/0x130
[ 77.002124] ? __fget+0x210/0x370
[ 77.002136] ? lock_downgrade+0x740/0x740
[ 77.002147] ? __fget+0x237/0x370
[ 77.002158] ? __fget_light+0x172/0x1f0
[ 77.002166] ? __fdget+0x1b/0x20
[ 77.002172] ? sockfd_lookup_light+0xb4/0x160
[ 77.002182] __sys_sendmsg+0xb9/0x140
[ 77.002189] ? SyS_shutdown+0x170/0x170
[ 77.002210] SyS_sendmsg+0x2d/0x50
[ 77.002216] ? __sys_sendmsg+0x140/0x140
[ 77.002227] do_syscall_64+0x1e8/0x640
[ 77.002234] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 77.002250] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 77.002256] RIP: 0033:0x45a639
[ 77.002260] RSP: 002b:00007ffa7a225c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 77.002270] RAX: ffffffffffffffda RBX: 00007ffa7a225c90 RCX: 000000000045a639
[ 77.002275] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 77.002280] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 77.002284] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa7a2266d4
[ 77.002288] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 77.015976] batman_adv: batadv0: Interface deactivated: bridge0
[ 77.021147] batman_adv: batadv0: Removing interface: bridge0
[ 77.082859] FAULT_INJECTION: forcing a failure.
[ 77.082859] name failslab, interval 1, probability 0, space 0, times 0
[ 77.085752] batman_adv: batadv0: Interface deactivated: bond0
[ 77.088725] CPU: 0 PID: 7372 Comm: syz-executor.0 Not tainted 4.14.156-syzkaller #0
[ 77.092960] batman_adv: batadv0: Removing interface: bond0
[ 77.097003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 77.097007] Call Trace:
[ 77.097021] dump_stack+0x142/0x197
[ 77.097036] should_fail.cold+0x10f/0x159
[ 77.105631] should_failslab+0xdb/0x130
[ 77.105641] kmem_cache_alloc_node_trace+0x280/0x770
[ 77.105653] ? rcu_lockdep_current_cpu_online+0xf2/0x140
[ 77.105663] __kmalloc_node_track_caller+0x3d/0x80
[ 77.320805] __kmalloc_reserve.isra.0+0x40/0xe0
[ 77.325478] __alloc_skb+0xcf/0x500
[ 77.329082] ? skb_scrub_packet+0x4b0/0x4b0
[ 77.333396] ? rtnl_link_unregister+0x200/0x200
[ 77.338042] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 77.342430] netlink_ack+0x21c/0x9a0
[ 77.346128] ? netlink_sendmsg+0xc60/0xc60
[ 77.350342] netlink_rcv_skb+0x2fc/0x3c0
[ 77.354382] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 77.358945] ? netlink_ack+0x9a0/0x9a0
[ 77.362813] ? netlink_deliver_tap+0xba/0x8f0
[ 77.367290] rtnetlink_rcv+0x1d/0x30
[ 77.370981] netlink_unicast+0x45d/0x640
[ 77.375030] ? netlink_attachskb+0x6a0/0x6a0
[ 77.379426] ? security_netlink_send+0x81/0xb0
[ 77.383994] netlink_sendmsg+0x7c4/0xc60
[ 77.388047] ? netlink_unicast+0x640/0x640
[ 77.392269] ? security_socket_sendmsg+0x89/0xb0
[ 77.397004] ? netlink_unicast+0x640/0x640
[ 77.401223] sock_sendmsg+0xce/0x110
[ 77.404918] ___sys_sendmsg+0x70a/0x840
[ 77.408874] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 77.413652] ? __fget+0x210/0x370
[ 77.417092] ? find_held_lock+0x35/0x130
[ 77.421133] ? __fget+0x210/0x370
[ 77.424576] ? lock_downgrade+0x740/0x740
[ 77.428705] ? __fget+0x237/0x370
[ 77.432180] ? __fget_light+0x172/0x1f0
[ 77.436148] ? __fdget+0x1b/0x20
[ 77.439494] ? sockfd_lookup_light+0xb4/0x160
[ 77.443970] __sys_sendmsg+0xb9/0x140
[ 77.447757] ? SyS_shutdown+0x170/0x170
[ 77.451717] SyS_sendmsg+0x2d/0x50
[ 77.455338] ? __sys_sendmsg+0x140/0x140
[ 77.459384] do_syscall_64+0x1e8/0x640
[ 77.463303] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 77.468141] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 77.473343] RIP: 0033:0x45a639
[ 77.476517] RSP: 002b:00007f853b5bfc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 77.484218] RAX: ffffffffffffffda RBX: 00007f853b5bfc90 RCX: 000000000045a639
[ 77.491470] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 77.498717] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 77.505969] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f853b5c06d4
[ 77.513230] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 77.523822] FAULT_INJECTION: forcing a failure.
[ 77.523822] name failslab, interval 1, probability 0, space 0, times 0
[ 77.554047] team0: Port device team_slave_0 removed
[ 77.562271] batman_adv: batadv0: Adding interface: team_slave_0
[ 77.564273] CPU: 1 PID: 7373 Comm: syz-executor.1 Not tainted 4.14.156-syzkaller #0
[ 77.569221] batman_adv: batadv0: The MTU of interface team_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.
[ 77.576163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 77.576167] Call Trace:
[ 77.576182] dump_stack+0x142/0x197
[ 77.576197] should_fail.cold+0x10f/0x159
[ 77.576210] should_failslab+0xdb/0x130
[ 77.576218] kmem_cache_alloc_node_trace+0x280/0x770
[ 77.576228] ? rcu_lockdep_current_cpu_online+0xf2/0x140
[ 77.576237] __kmalloc_node_track_caller+0x3d/0x80
[ 77.576247] __kmalloc_reserve.isra.0+0x40/0xe0
[ 77.576256] __alloc_skb+0xcf/0x500
[ 77.576263] ? skb_scrub_packet+0x4b0/0x4b0
[ 77.576270] ? rtnl_link_unregister+0x200/0x200
[ 77.576277] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 77.576288] netlink_ack+0x21c/0x9a0
[ 77.576297] ? netlink_sendmsg+0xc60/0xc60
[ 77.576308] netlink_rcv_skb+0x2fc/0x3c0
[ 77.602737] batman_adv: batadv0: Not using interface team_slave_0 (retrying later): interface not active
[ 77.610630] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 77.610643] ? netlink_ack+0x9a0/0x9a0
[ 77.610655] ? netlink_deliver_tap+0xba/0x8f0
[ 77.610666] rtnetlink_rcv+0x1d/0x30
[ 77.610674] netlink_unicast+0x45d/0x640
[ 77.610683] ? netlink_attachskb+0x6a0/0x6a0
[ 77.610693] ? security_netlink_send+0x81/0xb0
[ 77.610703] netlink_sendmsg+0x7c4/0xc60
[ 77.610714] ? netlink_unicast+0x640/0x640
[ 77.610724] ? security_socket_sendmsg+0x89/0xb0
[ 77.613792] batman_adv: batadv0: Removing interface: team_slave_0
[ 77.616909] ? netlink_unicast+0x640/0x640
[ 77.616920] sock_sendmsg+0xce/0x110
[ 77.616930] ___sys_sendmsg+0x70a/0x840
[ 77.616941] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 77.616951] ? __fget+0x210/0x370
[ 77.616964] ? find_held_lock+0x35/0x130
[ 77.756697] ? __fget+0x210/0x370
[ 77.760153] ? lock_downgrade+0x740/0x740
[ 77.764292] ? __fget+0x237/0x370
[ 77.767831] ? __fget_light+0x172/0x1f0
[ 77.771839] ? __fdget+0x1b/0x20
[ 77.775187] ? sockfd_lookup_light+0xb4/0x160
[ 77.779675] __sys_sendmsg+0xb9/0x140
[ 77.783458] ? SyS_shutdown+0x170/0x170
[ 77.787422] SyS_sendmsg+0x2d/0x50
[ 77.791028] ? __sys_sendmsg+0x140/0x140
[ 77.795073] do_syscall_64+0x1e8/0x640
[ 77.798939] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 77.803766] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 77.808948] RIP: 0033:0x45a639
[ 77.812118] RSP: 002b:00007f0dbf85ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 77.819816] RAX: ffffffffffffffda RBX: 00007f0dbf85ec90 RCX: 000000000045a639
[ 77.827075] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 77.834322] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 77.841686] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0dbf85f6d4
[ 77.848947] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 77.858053] FAULT_INJECTION: forcing a failure.
[ 77.858053] name failslab, interval 1, probability 0, space 0, times 0
[ 77.870177] batman_adv: batadv0: Adding interface: team0
[ 77.875638] 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.
[ 77.911163] CPU: 0 PID: 7377 Comm: syz-executor.2 Not tainted 4.14.156-syzkaller #0
[ 77.918994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 77.928342] Call Trace:
[ 77.930923] dump_stack+0x142/0x197
[ 77.934552] should_fail.cold+0x10f/0x159
[ 77.938703] should_failslab+0xdb/0x130
[ 77.942667] kmem_cache_alloc_node_trace+0x280/0x770
[ 77.947752] ? rcu_lockdep_current_cpu_online+0xf2/0x140
[ 77.953181] __kmalloc_node_track_caller+0x3d/0x80
[ 77.958097] __kmalloc_reserve.isra.0+0x40/0xe0
[ 77.962754] __alloc_skb+0xcf/0x500
[ 77.966359] ? skb_scrub_packet+0x4b0/0x4b0
[ 77.970672] ? rtnl_link_unregister+0x200/0x200
[ 77.975317] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 77.979709] netlink_ack+0x21c/0x9a0
[ 77.983405] ? netlink_sendmsg+0xc60/0xc60
[ 77.987632] netlink_rcv_skb+0x2fc/0x3c0
[ 77.991691] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 77.996252] ? netlink_ack+0x9a0/0x9a0
[ 78.000119] ? netlink_deliver_tap+0xba/0x8f0
[ 78.004593] rtnetlink_rcv+0x1d/0x30
[ 78.008299] netlink_unicast+0x45d/0x640
[ 78.012341] ? netlink_attachskb+0x6a0/0x6a0
[ 78.016730] ? security_netlink_send+0x81/0xb0
[ 78.021290] netlink_sendmsg+0x7c4/0xc60
[ 78.025342] ? netlink_unicast+0x640/0x640
[ 78.029565] ? security_socket_sendmsg+0x89/0xb0
[ 78.034401] ? netlink_unicast+0x640/0x640
[ 78.038641] sock_sendmsg+0xce/0x110
[ 78.042337] ___sys_sendmsg+0x70a/0x840
[ 78.046392] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 78.051146] ? __fget+0x210/0x370
[ 78.054594] ? find_held_lock+0x35/0x130
[ 78.058636] ? __fget+0x210/0x370
[ 78.062101] ? lock_downgrade+0x740/0x740
[ 78.066235] ? __fget+0x237/0x370
[ 78.069676] ? __fget_light+0x172/0x1f0
[ 78.073632] ? __fdget+0x1b/0x20
[ 78.076981] ? sockfd_lookup_light+0xb4/0x160
[ 78.081464] __sys_sendmsg+0xb9/0x140
[ 78.085247] ? SyS_shutdown+0x170/0x170
[ 78.089206] SyS_sendmsg+0x2d/0x50
[ 78.092735] ? __sys_sendmsg+0x140/0x140
[ 78.096790] do_syscall_64+0x1e8/0x640
[ 78.100656] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 78.105481] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 78.110651] RIP: 0033:0x45a639
[ 78.113818] RSP: 002b:00007f4aace83c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 78.121506] RAX: ffffffffffffffda RBX: 00007f4aace83c90 RCX: 000000000045a639
[ 78.128756] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 78.136023] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 78.143290] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4aace846d4
[ 78.150549] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 78.159187] batman_adv: batadv0: Interface activated: team0
[ 78.165643] batman_adv: batadv0: Interface deactivated: team0
[ 78.172461] batman_adv: batadv0: Removing interface: team0
[ 78.179692] FAULT_INJECTION: forcing a failure.
[ 78.179692] name failslab, interval 1, probability 0, space 0, times 0
[ 78.195981] CPU: 0 PID: 7381 Comm: syz-executor.3 Not tainted 4.14.156-syzkaller #0
[ 78.203812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 78.213168] Call Trace:
[ 78.215819] dump_stack+0x142/0x197
[ 78.219437] should_fail.cold+0x10f/0x159
[ 78.223574] should_failslab+0xdb/0x130
[ 78.227531] kmem_cache_alloc_trace+0x2e9/0x790
[ 78.232184] ? netlink_broadcast_filtered+0x307/0x9f0
[ 78.237361] netdevice_event+0x164/0x6c0
[ 78.241403] ? update_gid_event_work_handler+0xc0/0xc0
[ 78.246661] ? add_netdev_upper_ips+0x40/0x40
[ 78.251136] ? inetaddr_event+0x170/0x170
[ 78.255268] ? _add_netdev_ips+0x40/0x40
[ 78.259326] ? is_eth_port_of_netdev.part.0+0x250/0x250
[ 78.264678] notifier_call_chain+0x111/0x1b0
[ 78.269071] raw_notifier_call_chain+0x2e/0x40
[ 78.273647] call_netdevice_notifiers_info+0x56/0x70
[ 78.278738] netdev_upper_dev_unlink+0xb5/0xe0
[ 78.283312] ? __netdev_adjacent_dev_unlink_neighbour+0x40/0x40
[ 78.289373] batadv_hardif_disable_interface.cold+0x59e/0x70d
[ 78.295253] ? batadv_softif_init_late+0xca0/0xca0
[ 78.300192] batadv_softif_slave_del+0x61/0xc0
[ 78.304759] do_set_master+0xd5/0x200
[ 78.308537] do_setlink+0x99f/0x2d50
[ 78.312245] ? rtnl_register+0x50/0x50
[ 78.316118] ? trace_hardirqs_on+0x10/0x10
[ 78.320449] ? trace_hardirqs_on+0x10/0x10
[ 78.324668] ? save_trace+0x290/0x290
[ 78.328449] ? __lock_acquire+0x5f7/0x4620
[ 78.332663] ? __lock_is_held+0xb6/0x140
[ 78.336714] ? find_held_lock+0x35/0x130
[ 78.340768] ? save_trace+0x290/0x290
[ 78.344910] ? trace_hardirqs_on+0x10/0x10
[ 78.349139] ? validate_nla+0x201/0x5f0
[ 78.353116] ? nla_parse+0x186/0x240
[ 78.356820] rtnl_newlink+0x11a7/0x1700
[ 78.360791] ? rtnl_newlink+0x8d8/0x1700
[ 78.364841] ? rtnl_link_unregister+0x200/0x200
[ 78.369498] ? finish_task_switch+0x178/0x650
[ 78.373979] ? finish_task_switch+0x14d/0x650
[ 78.378636] ? __mutex_lock+0x951/0x1470
[ 78.382693] ? lock_downgrade+0x740/0x740
[ 78.386976] ? rtnl_link_unregister+0x200/0x200
[ 78.391627] rtnetlink_rcv_msg+0x3eb/0xb70
[ 78.395908] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 78.400476] ? netlink_deliver_tap+0x93/0x8f0
[ 78.404971] netlink_rcv_skb+0x14f/0x3c0
[ 78.409019] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 78.413586] ? lock_downgrade+0x740/0x740
[ 78.417713] ? netlink_ack+0x9a0/0x9a0
[ 78.421580] ? netlink_deliver_tap+0xba/0x8f0
[ 78.426056] rtnetlink_rcv+0x1d/0x30
[ 78.429753] netlink_unicast+0x45d/0x640
[ 78.433970] ? netlink_attachskb+0x6a0/0x6a0
[ 78.438371] ? security_netlink_send+0x81/0xb0
[ 78.442945] netlink_sendmsg+0x7c4/0xc60
[ 78.447002] ? netlink_unicast+0x640/0x640
[ 78.451246] ? security_socket_sendmsg+0x89/0xb0
[ 78.455986] ? netlink_unicast+0x640/0x640
[ 78.460213] sock_sendmsg+0xce/0x110
[ 78.463917] ___sys_sendmsg+0x70a/0x840
[ 78.467885] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 78.472622] ? __fget+0x210/0x370
[ 78.476063] ? find_held_lock+0x35/0x130
[ 78.481673] ? __fget+0x210/0x370
[ 78.485112] ? lock_downgrade+0x740/0x740
[ 78.489241] ? __fget+0x237/0x370
[ 78.492678] ? __fget_light+0x172/0x1f0
[ 78.496631] ? __fdget+0x1b/0x20
[ 78.499978] ? sockfd_lookup_light+0xb4/0x160
[ 78.504453] __sys_sendmsg+0xb9/0x140
[ 78.508233] ? SyS_shutdown+0x170/0x170
[ 78.512192] SyS_sendmsg+0x2d/0x50
[ 78.515708] ? __sys_sendmsg+0x140/0x140
[ 78.519980] do_syscall_64+0x1e8/0x640
[ 78.523948] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 78.528788] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 78.533963] RIP: 0033:0x45a639
[ 78.537135] RSP: 002b:00007f7ee59b4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 78.544825] RAX: ffffffffffffffda RBX: 00007f7ee59b4c90 RCX: 000000000045a639
[ 78.552077] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 78.559337] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 78.566595] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ee59b56d4
[ 78.573851] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 78.583924] batman_adv: batadv0: Adding interface: team0
[ 78.601858] 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.
[ 78.627110] batman_adv: batadv0: Interface activated: team0
[ 78.635865] batman_adv: batadv0: Interface deactivated: team0
[ 78.647434] batman_adv: batadv0: Removing interface: team0
[ 78.660118] batman_adv: batadv0: Adding interface: veth0_to_hsr
[ 78.660719] FAULT_INJECTION: forcing a failure.
[ 78.660719] name failslab, interval 1, probability 0, space 0, times 0
[ 78.680422] batman_adv: batadv0: The MTU of interface veth0_to_hsr 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.
[ 78.712048] CPU: 0 PID: 7396 Comm: syz-executor.0 Not tainted 4.14.156-syzkaller #0
[ 78.712607] batman_adv: batadv0: Interface activated: veth0_to_hsr
[ 78.719877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 78.719881] Call Trace:
[ 78.719897] dump_stack+0x142/0x197
[ 78.719912] should_fail.cold+0x10f/0x159
[ 78.719924] should_failslab+0xdb/0x130
[ 78.749986] kmem_cache_alloc_node+0x287/0x780
[ 78.754597] __alloc_skb+0x9c/0x500
[ 78.758333] ? skb_scrub_packet+0x4b0/0x4b0
[ 78.762655] ? rtnl_link_unregister+0x200/0x200
[ 78.767317] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 78.771742] netlink_ack+0x21c/0x9a0
[ 78.775455] ? netlink_sendmsg+0xc60/0xc60
[ 78.779682] netlink_rcv_skb+0x2fc/0x3c0
[ 78.783745] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 78.788310] ? netlink_ack+0x9a0/0x9a0
[ 78.792187] ? netlink_deliver_tap+0xba/0x8f0
[ 78.796667] rtnetlink_rcv+0x1d/0x30
[ 78.800362] netlink_unicast+0x45d/0x640
[ 78.804408] ? netlink_attachskb+0x6a0/0x6a0
[ 78.808804] ? security_netlink_send+0x81/0xb0
[ 78.813368] netlink_sendmsg+0x7c4/0xc60
[ 78.817418] ? netlink_unicast+0x640/0x640
[ 78.821657] ? security_socket_sendmsg+0x89/0xb0
[ 78.826416] ? netlink_unicast+0x640/0x640
[ 78.830646] sock_sendmsg+0xce/0x110
[ 78.834343] ___sys_sendmsg+0x70a/0x840
[ 78.838305] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 78.843045] ? __fget+0x210/0x370
[ 78.846490] ? find_held_lock+0x35/0x130
[ 78.850539] ? __fget+0x210/0x370
[ 78.854003] ? lock_downgrade+0x740/0x740
[ 78.858134] ? __fget+0x237/0x370
[ 78.861571] ? __fget_light+0x172/0x1f0
[ 78.865526] ? __fdget+0x1b/0x20
[ 78.868896] ? sockfd_lookup_light+0xb4/0x160
[ 78.873383] __sys_sendmsg+0xb9/0x140
[ 78.877198] ? SyS_shutdown+0x170/0x170
[ 78.881186] SyS_sendmsg+0x2d/0x50
[ 78.884729] ? __sys_sendmsg+0x140/0x140
[ 78.888789] do_syscall_64+0x1e8/0x640
[ 78.892834] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 78.897674] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 78.902858] RIP: 0033:0x45a639
[ 78.906157] RSP: 002b:00007f853b5bfc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 78.913954] RAX: ffffffffffffffda RBX: 00007f853b5bfc90 RCX: 000000000045a639
[ 78.921359] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 78.928818] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 78.936233] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f853b5c06d4
[ 78.943501] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 78.953085] batman_adv: batadv0: Adding interface: veth0
[ 78.975272] batman_adv: batadv0: The MTU of interface veth0 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.
[ 79.028173] batman_adv: batadv0: Interface activated: veth0
[ 79.039584] batman_adv: batadv0: Interface deactivated: veth0
[ 79.046374] batman_adv: batadv0: Removing interface: veth0
[ 79.067560] FAULT_INJECTION: forcing a failure.
[ 79.067560] name failslab, interval 1, probability 0, space 0, times 0
[ 79.096304] CPU: 1 PID: 7416 Comm: syz-executor.5 Not tainted 4.14.156-syzkaller #0
[ 79.104156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 79.113646] Call Trace:
[ 79.116253] dump_stack+0x142/0x197
[ 79.119883] should_fail.cold+0x10f/0x159
[ 79.124061] should_failslab+0xdb/0x130
[ 79.128040] kmem_cache_alloc_trace+0x2e9/0x790
[ 79.132723] ? netlink_broadcast_filtered+0x307/0x9f0
[ 79.137949] netdevice_event+0x164/0x6c0
[ 79.142026] ? update_gid_event_work_handler+0xc0/0xc0
[ 79.147313] ? add_netdev_upper_ips+0x40/0x40
[ 79.152431] ? inetaddr_event+0x170/0x170
[ 79.156575] ? _add_netdev_ips+0x40/0x40
[ 79.160641] ? is_eth_port_of_netdev.part.0+0x250/0x250
[ 79.166015] notifier_call_chain+0x111/0x1b0
[ 79.170438] raw_notifier_call_chain+0x2e/0x40
[ 79.175023] call_netdevice_notifiers_info+0x56/0x70
[ 79.180186] netdev_upper_dev_unlink+0xb5/0xe0
[ 79.184788] ? __netdev_adjacent_dev_unlink_neighbour+0x40/0x40
[ 79.190869] batadv_hardif_disable_interface.cold+0x59e/0x70d
[ 79.196756] ? batadv_softif_init_late+0xca0/0xca0
[ 79.201686] batadv_softif_slave_del+0x61/0xc0
[ 79.206259] do_set_master+0xd5/0x200
[ 79.210062] do_setlink+0x99f/0x2d50
[ 79.213774] ? rtnl_register+0x50/0x50
[ 79.217664] ? trace_hardirqs_on+0x10/0x10
[ 79.221918] ? trace_hardirqs_on+0x10/0x10
[ 79.226157] ? save_trace+0x290/0x290
[ 79.229953] ? __lock_acquire+0x5f7/0x4620
[ 79.234176] ? __lock_is_held+0xb6/0x140
[ 79.238222] ? find_held_lock+0x35/0x130
[ 79.242270] ? save_trace+0x290/0x290
[ 79.246062] ? __update_load_avg_se.isra.0+0x3ba/0x530
[ 79.251355] ? trace_hardirqs_on+0x10/0x10
[ 79.255613] ? validate_nla+0x201/0x5f0
[ 79.259593] ? nla_parse+0x186/0x240
[ 79.263312] rtnl_newlink+0x11a7/0x1700
[ 79.267296] ? rtnl_newlink+0x8d8/0x1700
[ 79.271367] ? rtnl_link_unregister+0x200/0x200
[ 79.276044] ? finish_task_switch+0x178/0x650
[ 79.280553] ? finish_task_switch+0x14d/0x650
[ 79.285053] ? __mutex_lock+0x951/0x1470
[ 79.289136] ? lock_downgrade+0x740/0x740
[ 79.293301] ? rtnl_link_unregister+0x200/0x200
[ 79.297962] rtnetlink_rcv_msg+0x3eb/0xb70
[ 79.302210] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 79.306819] ? netlink_deliver_tap+0x93/0x8f0
[ 79.311318] netlink_rcv_skb+0x14f/0x3c0
[ 79.315375] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 79.319968] ? lock_downgrade+0x740/0x740
[ 79.324123] ? netlink_ack+0x9a0/0x9a0
[ 79.327999] ? netlink_deliver_tap+0xba/0x8f0
[ 79.332498] rtnetlink_rcv+0x1d/0x30
[ 79.336218] netlink_unicast+0x45d/0x640
[ 79.340307] ? netlink_attachskb+0x6a0/0x6a0
[ 79.344719] ? security_netlink_send+0x81/0xb0
[ 79.349394] netlink_sendmsg+0x7c4/0xc60
[ 79.353457] ? netlink_unicast+0x640/0x640
[ 79.357684] ? security_socket_sendmsg+0x89/0xb0
[ 79.362448] ? netlink_unicast+0x640/0x640
[ 79.366694] sock_sendmsg+0xce/0x110
[ 79.370409] ___sys_sendmsg+0x70a/0x840
[ 79.374394] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 79.379346] ? __fget+0x210/0x370
[ 79.382813] ? find_held_lock+0x35/0x130
[ 79.386891] ? __fget+0x210/0x370
[ 79.390338] ? lock_downgrade+0x740/0x740
[ 79.394621] ? __fget+0x237/0x370
[ 79.398083] ? __fget_light+0x172/0x1f0
[ 79.402061] ? __fdget+0x1b/0x20
[ 79.405421] ? sockfd_lookup_light+0xb4/0x160
[ 79.410169] __sys_sendmsg+0xb9/0x140
[ 79.413976] ? SyS_shutdown+0x170/0x170
[ 79.417965] SyS_sendmsg+0x2d/0x50
[ 79.421520] ? __sys_sendmsg+0x140/0x140
[ 79.425580] do_syscall_64+0x1e8/0x640
[ 79.429476] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 79.434342] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 79.439526] RIP: 0033:0x45a639
[ 79.442703] RSP: 002b:00007ffa7a225c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 79.450406] RAX: ffffffffffffffda RBX: 00007ffa7a225c90 RCX: 000000000045a639
[ 79.457782] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 79.465135] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 79.472396] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa7a2266d4
[ 79.479653] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 79.495497] batman_adv: batadv0: Adding interface: hsr0
[ 79.508084] batman_adv: batadv0: The MTU of interface hsr0 is too small (1494) 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.
[ 79.545113] batman_adv: batadv0: Interface activated: hsr0
[ 79.553808] batman_adv: batadv0: Adding interface: veth0_to_bridge
2019/11/25 20:31:11 executed programs: 57
[ 79.561324] batman_adv: batadv0: The MTU of interface veth0_to_bridge 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.
[ 79.597961] batman_adv: batadv0: Interface activated: veth0_to_bridge
[ 79.606632] batman_adv: batadv0: Interface deactivated: hsr0
[ 79.613654] batman_adv: batadv0: Removing interface: hsr0
[ 79.621129] FAULT_INJECTION: forcing a failure.
[ 79.621129] name failslab, interval 1, probability 0, space 0, times 0
[ 79.632512] CPU: 1 PID: 7434 Comm: syz-executor.2 Not tainted 4.14.156-syzkaller #0
[ 79.640311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 79.649685] Call Trace:
[ 79.652306] dump_stack+0x142/0x197
[ 79.655944] should_fail.cold+0x10f/0x159
[ 79.660221] should_failslab+0xdb/0x130
[ 79.664199] kmem_cache_alloc_trace+0x2e9/0x790
[ 79.668863] ? netlink_broadcast_filtered+0x307/0x9f0
[ 79.674064] netdevice_event+0x164/0x6c0
[ 79.678124] ? update_gid_event_work_handler+0xc0/0xc0
[ 79.683384] ? add_netdev_upper_ips+0x40/0x40
[ 79.687875] ? inetaddr_event+0x170/0x170
[ 79.692041] ? _add_netdev_ips+0x40/0x40
[ 79.696116] ? is_eth_port_of_netdev.part.0+0x250/0x250
[ 79.701493] notifier_call_chain+0x111/0x1b0
[ 79.705900] raw_notifier_call_chain+0x2e/0x40
[ 79.710481] call_netdevice_notifiers_info+0x56/0x70
[ 79.715589] netdev_upper_dev_unlink+0xb5/0xe0
[ 79.720181] ? __netdev_adjacent_dev_unlink_neighbour+0x40/0x40
[ 79.726365] batadv_hardif_disable_interface.cold+0x59e/0x70d
[ 79.732277] ? batadv_softif_init_late+0xca0/0xca0
[ 79.737210] batadv_softif_slave_del+0x61/0xc0
[ 79.741827] do_set_master+0xd5/0x200
[ 79.745633] do_setlink+0x99f/0x2d50
[ 79.749362] ? rtnl_register+0x50/0x50
[ 79.753256] ? trace_hardirqs_on+0x10/0x10
[ 79.757519] ? trace_hardirqs_on+0x10/0x10
[ 79.761758] ? save_trace+0x290/0x290
[ 79.765582] ? __lock_acquire+0x5f7/0x4620
[ 79.769928] ? __lock_is_held+0xb6/0x140
[ 79.773992] ? find_held_lock+0x35/0x130
[ 79.778050] ? save_trace+0x290/0x290
[ 79.781853] ? __update_load_avg_se.isra.0+0x3ba/0x530
[ 79.787138] ? trace_hardirqs_on+0x10/0x10
[ 79.791373] ? validate_nla+0x201/0x5f0
[ 79.795359] ? nla_parse+0x186/0x240
[ 79.799072] rtnl_newlink+0x11a7/0x1700
[ 79.803040] ? rtnl_newlink+0x8d8/0x1700
[ 79.807122] ? rtnl_link_unregister+0x200/0x200
[ 79.811801] ? finish_task_switch+0x178/0x650
[ 79.816481] ? finish_task_switch+0x14d/0x650
[ 79.821107] ? __mutex_lock+0x951/0x1470
[ 79.825204] ? lock_downgrade+0x740/0x740
[ 79.829385] ? snd_hdac_stream_set_params+0x398/0x460
[ 79.834604] ? rtnl_link_unregister+0x200/0x200
[ 79.839288] rtnetlink_rcv_msg+0x3eb/0xb70
[ 79.843524] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 79.848106] ? netlink_deliver_tap+0x93/0x8f0
[ 79.852622] netlink_rcv_skb+0x14f/0x3c0
[ 79.856681] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 79.861269] ? lock_downgrade+0x740/0x740
[ 79.865495] ? netlink_ack+0x9a0/0x9a0
[ 79.869380] ? netlink_deliver_tap+0xba/0x8f0
[ 79.873875] rtnetlink_rcv+0x1d/0x30
[ 79.877595] netlink_unicast+0x45d/0x640
[ 79.881740] ? netlink_attachskb+0x6a0/0x6a0
[ 79.886164] ? security_netlink_send+0x81/0xb0
[ 79.890745] netlink_sendmsg+0x7c4/0xc60
[ 79.894811] ? netlink_unicast+0x640/0x640
[ 79.899043] ? security_socket_sendmsg+0x89/0xb0
[ 79.903787] ? netlink_unicast+0x640/0x640
[ 79.908015] sock_sendmsg+0xce/0x110
[ 79.911718] ___sys_sendmsg+0x70a/0x840
[ 79.915681] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 79.920432] ? __fget+0x210/0x370
[ 79.924011] ? find_held_lock+0x35/0x130
[ 79.928061] ? __fget+0x210/0x370
[ 79.931517] ? lock_downgrade+0x740/0x740
[ 79.935672] ? __fget+0x237/0x370
[ 79.939132] ? __fget_light+0x172/0x1f0
[ 79.943112] ? __fdget+0x1b/0x20
[ 79.946476] ? sockfd_lookup_light+0xb4/0x160
[ 79.950980] __sys_sendmsg+0xb9/0x140
[ 79.954794] ? SyS_shutdown+0x170/0x170
[ 79.958762] SyS_sendmsg+0x2d/0x50
[ 79.962313] ? __sys_sendmsg+0x140/0x140
[ 79.966371] do_syscall_64+0x1e8/0x640
[ 79.970251] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 79.975097] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 79.980291] RIP: 0033:0x45a639
[ 79.983462] RSP: 002b:00007f4aace83c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 79.991156] RAX: ffffffffffffffda RBX: 00007f4aace83c90 RCX: 000000000045a639
[ 79.998419] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 80.005702] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 80.012961] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4aace846d4
[ 80.020221] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 80.030821] batman_adv: batadv0: Interface deactivated: veth0_to_bridge
[ 80.044807] batman_adv: batadv0: Removing interface: veth0_to_bridge
[ 80.059529] FAULT_INJECTION: forcing a failure.
[ 80.059529] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[ 80.071348] CPU: 0 PID: 7437 Comm: syz-executor.4 Not tainted 4.14.156-syzkaller #0
[ 80.079134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 80.088481] Call Trace:
[ 80.091061] dump_stack+0x142/0x197
[ 80.094706] should_fail.cold+0x10f/0x159
[ 80.098868] __alloc_pages_nodemask+0x1d6/0x7a0
[ 80.103534] ? __alloc_pages_slowpath+0x2930/0x2930
[ 80.108585] cache_grow_begin+0x80/0x400
[ 80.112683] kmem_cache_alloc_trace+0x6b2/0x790
[ 80.117343] netdevice_event+0x164/0x6c0
[ 80.121389] ? update_gid_event_work_handler+0xc0/0xc0
[ 80.126662] ? add_netdev_upper_ips+0x40/0x40
[ 80.131150] ? inetaddr_event+0x170/0x170
[ 80.135309] ? _add_netdev_ips+0x40/0x40
[ 80.139387] ? is_eth_port_of_netdev.part.0+0x250/0x250
[ 80.144775] notifier_call_chain+0x111/0x1b0
[ 80.149189] raw_notifier_call_chain+0x2e/0x40
[ 80.153787] call_netdevice_notifiers_info+0x56/0x70
[ 80.159421] netdev_upper_dev_unlink+0xb5/0xe0
[ 80.164524] ? __netdev_adjacent_dev_unlink_neighbour+0x40/0x40
[ 80.170590] batadv_hardif_disable_interface.cold+0x59e/0x70d
[ 80.176466] ? batadv_softif_init_late+0xca0/0xca0
[ 80.181404] batadv_softif_slave_del+0x61/0xc0
[ 80.186048] do_set_master+0xd5/0x200
[ 80.189854] do_setlink+0x99f/0x2d50
[ 80.193572] ? rtnl_register+0x50/0x50
[ 80.197473] ? __lock_acquire+0x5f7/0x4620
[ 80.201707] ? trace_hardirqs_on+0x10/0x10
[ 80.205963] ? __lock_acquire+0x5f7/0x4620
[ 80.210211] ? cpuacct_charge+0x1db/0x360
[ 80.214350] ? save_trace+0x290/0x290
[ 80.218182] ? save_trace+0x290/0x290
[ 80.221972] ? trace_hardirqs_on+0x10/0x10
[ 80.226194] ? validate_nla+0x201/0x5f0
[ 80.230168] ? nla_parse+0x186/0x240
[ 80.233864] rtnl_newlink+0x11a7/0x1700
[ 80.237875] ? rtnl_newlink+0x8d8/0x1700
[ 80.241931] ? rtnl_link_unregister+0x200/0x200
[ 80.246586] ? finish_task_switch+0x178/0x650
[ 80.251063] ? finish_task_switch+0x14d/0x650
[ 80.255546] ? __mutex_lock+0x951/0x1470
[ 80.259611] ? lock_downgrade+0x740/0x740
[ 80.263786] ? rtnl_link_unregister+0x200/0x200
[ 80.268441] rtnetlink_rcv_msg+0x3eb/0xb70
[ 80.272668] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 80.277265] ? netlink_deliver_tap+0x93/0x8f0
[ 80.281751] netlink_rcv_skb+0x14f/0x3c0
[ 80.285796] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 80.290371] ? lock_downgrade+0x740/0x740
[ 80.294501] ? netlink_ack+0x9a0/0x9a0
[ 80.298377] ? netlink_deliver_tap+0xba/0x8f0
[ 80.302855] rtnetlink_rcv+0x1d/0x30
[ 80.306636] netlink_unicast+0x45d/0x640
[ 80.310702] ? netlink_attachskb+0x6a0/0x6a0
[ 80.315112] ? security_netlink_send+0x81/0xb0
[ 80.319679] netlink_sendmsg+0x7c4/0xc60
[ 80.323738] ? netlink_unicast+0x640/0x640
[ 80.327973] ? security_socket_sendmsg+0x89/0xb0
[ 80.332714] ? netlink_unicast+0x640/0x640
[ 80.336938] sock_sendmsg+0xce/0x110
[ 80.340644] ___sys_sendmsg+0x70a/0x840
[ 80.344643] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 80.349407] ? __fget+0x210/0x370
[ 80.352847] ? find_held_lock+0x35/0x130
[ 80.356903] ? __fget+0x210/0x370
[ 80.360340] ? lock_downgrade+0x740/0x740
[ 80.364484] ? __fget+0x237/0x370
[ 80.367926] ? __fget_light+0x172/0x1f0
[ 80.371890] ? __fdget+0x1b/0x20
[ 80.375296] ? sockfd_lookup_light+0xb4/0x160
[ 80.379790] __sys_sendmsg+0xb9/0x140
[ 80.383577] ? SyS_shutdown+0x170/0x170
[ 80.387542] SyS_sendmsg+0x2d/0x50
[ 80.391063] ? __sys_sendmsg+0x140/0x140
[ 80.395114] do_syscall_64+0x1e8/0x640
[ 80.398990] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 80.403818] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 80.408989] RIP: 0033:0x45a639
[ 80.412162] RSP: 002b:00007f105e1e3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 80.419870] RAX: ffffffffffffffda RBX: 00007f105e1e3c90 RCX: 000000000045a639
[ 80.427130] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 80.434390] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 80.441657] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f105e1e46d4
[ 80.448914] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 80.461955] device bridge_slave_0 left promiscuous mode
[ 80.467801] bridge0: port 1(bridge_slave_0) entered disabled state
[ 80.521721] batman_adv: batadv0: Adding interface: bridge_slave_0
[ 80.528059] 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.
[ 80.554893] batman_adv: batadv0: Interface activated: bridge_slave_0
[ 80.562113] device bridge_slave_1 left promiscuous mode
[ 80.568354] FAULT_INJECTION: forcing a failure.
[ 80.568354] name failslab, interval 1, probability 0, space 0, times 0
[ 80.579845] CPU: 0 PID: 7463 Comm: syz-executor.4 Not tainted 4.14.156-syzkaller #0
[ 80.587637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 80.599019] Call Trace:
[ 80.599048] dump_stack+0x142/0x197
[ 80.599063] should_fail.cold+0x10f/0x159
[ 80.605336] ? switchdev_port_same_parent_id+0x170/0x170
[ 80.614888] should_failslab+0xdb/0x130
[ 80.614896] __kmalloc+0x71/0x7a0
[ 80.614906] ? trace_hardirqs_on+0x10/0x10
[ 80.614916] ? switchdev_deferred_enqueue+0x2c/0x210
[ 80.631635] ? switchdev_port_same_parent_id+0x170/0x170
[ 80.637069] switchdev_deferred_enqueue+0x2c/0x210
[ 80.641999] switchdev_port_attr_set+0x95/0xb0
[ 80.646572] br_set_state+0xf5/0x130
[ 80.650276] ? br_designated_port_selection+0x5e0/0x5e0
[ 80.655623] ? __local_bh_enable_ip+0x99/0x1a0
[ 80.660191] ? del_nbp+0x11c/0x8b0
[ 80.663713] br_stp_disable_port+0x52/0x180
[ 80.668016] del_nbp+0x128/0x8b0
[ 80.671368] ? __lock_acquire+0x5f7/0x4620
[ 80.675588] br_del_if+0xdf/0x470
[ 80.679038] ? __lock_acquire+0x5f7/0x4620
[ 80.683256] br_del_slave+0x21/0x30
[ 80.686866] ? br_fix_features+0x30/0x30
[ 80.691052] do_set_master+0xd5/0x200
[ 80.694845] do_setlink+0x99f/0x2d50
[ 80.698543] ? trace_hardirqs_on+0x10/0x10
[ 80.702925] ? rtnl_register+0x50/0x50
[ 80.706794] ? __lock_acquire+0x5f7/0x4620
[ 80.711014] ? __lock_acquire+0x5f7/0x4620
[ 80.715252] ? trace_hardirqs_on+0x10/0x10
[ 80.719503] ? save_trace+0x290/0x290
[ 80.723284] ? trace_hardirqs_on+0x10/0x10
[ 80.727509] ? is_bpf_text_address+0x7f/0x120
[ 80.732012] ? find_held_lock+0x35/0x130
[ 80.736058] ? is_bpf_text_address+0x7f/0x120
[ 80.740543] ? __lock_acquire+0x5f7/0x4620
[ 80.744763] ? __lock_acquire+0x5f7/0x4620
[ 80.748981] rtnl_newlink+0x11a7/0x1700
[ 80.752942] ? validate_nla+0x201/0x5f0
[ 80.756915] ? nla_parse+0x186/0x240
[ 80.760619] ? memset+0x32/0x40
[ 80.763887] ? rtnl_newlink+0x8d8/0x1700
[ 80.767993] ? rtnl_link_unregister+0x200/0x200
[ 80.772649] ? find_held_lock+0x35/0x130
[ 80.776693] ? mutex_spin_on_owner+0x1cb/0x400
[ 80.781265] ? lock_downgrade+0x720/0x740
[ 80.785395] ? check_preemption_disabled+0x3c/0x250
[ 80.790412] ? rtnl_link_unregister+0x200/0x200
[ 80.795075] rtnetlink_rcv_msg+0x3eb/0xb70
[ 80.799297] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 80.803880] ? netlink_deliver_tap+0x93/0x8f0
[ 80.808498] netlink_rcv_skb+0x14f/0x3c0
[ 80.812545] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 80.817153] ? lock_downgrade+0x740/0x740
[ 80.821422] ? netlink_ack+0x9a0/0x9a0
[ 80.825315] ? netlink_deliver_tap+0xba/0x8f0
[ 80.829804] rtnetlink_rcv+0x1d/0x30
[ 80.833510] netlink_unicast+0x45d/0x640
[ 80.837556] ? netlink_attachskb+0x6a0/0x6a0
[ 80.841949] ? security_netlink_send+0x81/0xb0
[ 80.846518] netlink_sendmsg+0x7c4/0xc60
[ 80.850580] ? netlink_unicast+0x640/0x640
[ 80.854820] ? security_socket_sendmsg+0x89/0xb0
[ 80.859558] ? netlink_unicast+0x640/0x640
[ 80.863788] sock_sendmsg+0xce/0x110
[ 80.867481] ___sys_sendmsg+0x70a/0x840
[ 80.871453] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 80.876202] ? __fget+0x210/0x370
[ 80.879664] ? find_held_lock+0x35/0x130
[ 80.883731] ? __fget+0x210/0x370
[ 80.887180] ? lock_downgrade+0x740/0x740
[ 80.891328] ? __fget+0x237/0x370
[ 80.894777] ? __fget_light+0x172/0x1f0
[ 80.898738] ? __fdget+0x1b/0x20
[ 80.902133] ? sockfd_lookup_light+0xb4/0x160
[ 80.906613] __sys_sendmsg+0xb9/0x140
[ 80.910397] ? SyS_shutdown+0x170/0x170
[ 80.914356] SyS_sendmsg+0x2d/0x50
[ 80.917874] ? __sys_sendmsg+0x140/0x140
[ 80.921922] do_syscall_64+0x1e8/0x640
[ 80.925805] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 80.930677] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 80.935858] RIP: 0033:0x45a639
[ 80.939040] RSP: 002b:00007f105e1e3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 80.946730] RAX: ffffffffffffffda RBX: 00007f105e1e3c90 RCX: 000000000045a639
[ 80.953985] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 80.961241] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 80.968499] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f105e1e46d4
[ 80.975758] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 80.983099] bridge0: error setting offload STP state on port 2(bridge_slave_1)
[ 81.031848] batman_adv: batadv0: Adding interface: veth1
[ 81.037455] 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.
[ 81.062308] batman_adv: batadv0: Interface activated: veth1
[ 81.068471] batman_adv: batadv0: Interface deactivated: bridge_slave_0
[ 81.075528] batman_adv: batadv0: Removing interface: bridge_slave_0
[ 81.086052] FAULT_INJECTION: forcing a failure.
[ 81.086052] name failslab, interval 1, probability 0, space 0, times 0
[ 81.097392] batman_adv: batadv0: Interface deactivated: veth1
[ 81.100218] CPU: 1 PID: 7445 Comm: syz-executor.5 Not tainted 4.14.156-syzkaller #0
[ 81.103411] batman_adv: batadv0: Removing interface: veth1
[ 81.111058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 81.111062] Call Trace:
[ 81.111086] dump_stack+0x142/0x197
[ 81.111101] should_fail.cold+0x10f/0x159
[ 81.111112] should_failslab+0xdb/0x130
[ 81.111120] kmem_cache_alloc_node+0x287/0x780
[ 81.111136] __alloc_skb+0x9c/0x500
[ 81.111143] ? skb_scrub_packet+0x4b0/0x4b0
[ 81.111151] ? rtnl_link_unregister+0x200/0x200
[ 81.111158] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 81.111170] netlink_ack+0x21c/0x9a0
[ 81.111179] ? netlink_sendmsg+0xc60/0xc60
[ 81.111190] netlink_rcv_skb+0x2fc/0x3c0
[ 81.111196] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 81.111204] ? netlink_ack+0x9a0/0x9a0
[ 81.111213] ? netlink_deliver_tap+0xba/0x8f0
[ 81.111222] rtnetlink_rcv+0x1d/0x30
[ 81.111228] netlink_unicast+0x45d/0x640
[ 81.111237] ? netlink_attachskb+0x6a0/0x6a0
[ 81.111248] ? security_netlink_send+0x81/0xb0
[ 81.111255] netlink_sendmsg+0x7c4/0xc60
[ 81.111266] ? netlink_unicast+0x640/0x640
[ 81.111278] ? security_socket_sendmsg+0x89/0xb0
[ 81.111286] ? netlink_unicast+0x640/0x640
[ 81.111295] sock_sendmsg+0xce/0x110
[ 81.111304] ___sys_sendmsg+0x70a/0x840
[ 81.111314] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 81.111324] ? __fget+0x210/0x370
[ 81.111336] ? find_held_lock+0x35/0x130
[ 81.111343] ? __fget+0x210/0x370
[ 81.111354] ? lock_downgrade+0x740/0x740
[ 81.111364] ? __fget+0x237/0x370
[ 81.111374] ? __fget_light+0x172/0x1f0
[ 81.111383] ? __fdget+0x1b/0x20
[ 81.111390] ? sockfd_lookup_light+0xb4/0x160
[ 81.111399] __sys_sendmsg+0xb9/0x140
[ 81.111405] ? SyS_shutdown+0x170/0x170
[ 81.111423] SyS_sendmsg+0x2d/0x50
[ 81.111428] ? __sys_sendmsg+0x140/0x140
[ 81.111439] do_syscall_64+0x1e8/0x640
[ 81.111446] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 81.111461] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 81.111469] RIP: 0033:0x45a639
[ 81.111473] RSP: 002b:00007ffa7a225c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 81.111482] RAX: ffffffffffffffda RBX: 00007ffa7a225c90 RCX: 000000000045a639
[ 81.111486] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 81.111491] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 81.111501] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa7a2266d4
[ 81.111505] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 81.153044] FAULT_INJECTION: forcing a failure.
[ 81.153044] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[ 81.166299] CPU: 0 PID: 7450 Comm: syz-executor.0 Not tainted 4.14.156-syzkaller #0
[ 81.167920] batman_adv: batadv0: Adding interface: bridge_slave_1
[ 81.171365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 81.171369] Call Trace:
[ 81.171385] dump_stack+0x142/0x197
[ 81.171402] should_fail.cold+0x10f/0x159
[ 81.171414] __alloc_pages_nodemask+0x1d6/0x7a0
[ 81.183895] ? __alloc_pages_slowpath+0x2930/0x2930
[ 81.192063] ? check_preemption_disabled+0x3c/0x250
[ 81.192070] ? check_preemption_disabled+0x3c/0x250
[ 81.192083] alloc_pages_current+0xec/0x1e0
[ 81.192095] __get_free_pages+0xf/0x40
[ 81.192102] tlb_remove_table+0x115/0x1e0
[ 81.192113] ___pte_free_tlb+0x9e/0xd0
[ 81.192120] free_pgd_range+0x979/0xd10
[ 81.197483] 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.
[ 81.200557] free_pgtables+0x1fa/0x2b0
[ 81.200570] exit_mmap+0x294/0x4e0
[ 81.200578] ? SyS_munmap+0x30/0x30
[ 81.205216] batman_adv: batadv0: Interface activated: bridge_slave_1
[ 81.209188] ? kmem_cache_free+0x244/0x2b0
[ 81.240964] batman_adv: batadv0: Adding interface: veth0_to_bridge
[ 81.242227] ? __khugepaged_exit+0xcf/0x3d0
[ 81.245657] batman_adv: batadv0: The MTU of interface veth0_to_bridge 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.
[ 81.249787] ? mm_update_next_owner+0x450/0x5d0
[ 81.260115] batman_adv: batadv0: Interface activated: veth0_to_bridge
[ 81.260541] mmput+0x114/0x440
[ 81.270755] batman_adv: batadv0: Interface deactivated: veth0_to_bridge
[ 81.272764] do_exit+0x71d/0x2c10
[ 81.272781] ? find_held_lock+0x35/0x130
[ 81.276371] batman_adv: batadv0: Removing interface: veth0_to_bridge
[ 81.280353] ? mm_update_next_owner+0x5d0/0x5d0
[ 81.280370] do_group_exit+0x111/0x330
[ 81.280380] get_signal+0x381/0x1cd0
[ 81.280400] do_signal+0x86/0x19a0
[ 81.280407] ? check_preemption_disabled+0x3c/0x250
[ 81.280419] ? __fget+0x237/0x370
[ 81.569317] ? kick_process+0xef/0x180
[ 81.573200] ? setup_sigcontext+0x7d0/0x7d0
[ 81.577509] ? task_work_add+0x8e/0xf0
[ 81.581387] ? __sys_sendmsg+0xd1/0x140
[ 81.585346] ? SyS_shutdown+0x170/0x170
[ 81.589312] ? exit_to_usermode_loop+0x3d/0x220
[ 81.593966] exit_to_usermode_loop+0x15c/0x220
[ 81.598579] do_syscall_64+0x4bc/0x640
[ 81.602453] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 81.607290] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 81.612471] RIP: 0033:0x45a639
[ 81.615653] RSP: 002b:00007f853b5bfc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 81.623344] RAX: 0000000000000028 RBX: 00007f853b5bfc90 RCX: 000000000045a639
[ 81.630601] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 81.637859] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 81.645110] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f853b5c06d4
[ 81.652380] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 81.668602] batman_adv: batadv0: Adding interface: veth0_to_bond
[ 81.674992] FAULT_INJECTION: forcing a failure.
[ 81.674992] name failslab, interval 1, probability 0, space 0, times 0
[ 81.683975] FAULT_INJECTION: forcing a failure.
[ 81.683975] name failslab, interval 1, probability 0, space 0, times 0
[ 81.687724] batman_adv: batadv0: The MTU of interface veth0_to_bond 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.
[ 81.732984] CPU: 1 PID: 7449 Comm: syz-executor.1 Not tainted 4.14.156-syzkaller #0
[ 81.740825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 81.750189] Call Trace:
[ 81.752774] dump_stack+0x142/0x197
[ 81.756396] should_fail.cold+0x10f/0x159
[ 81.760528] should_failslab+0xdb/0x130
[ 81.764485] kmem_cache_alloc_node+0x287/0x780
[ 81.769054] __alloc_skb+0x9c/0x500
[ 81.770136] batman_adv: batadv0: Interface activated: veth0_to_bond
[ 81.772664] ? skb_scrub_packet+0x4b0/0x4b0
[ 81.779671] batman_adv: batadv0: Interface deactivated: veth0_to_bond
[ 81.783355] ? rtnl_link_unregister+0x200/0x200
[ 81.783362] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 81.783375] netlink_ack+0x21c/0x9a0
[ 81.783383] ? netlink_sendmsg+0xc60/0xc60
[ 81.783395] netlink_rcv_skb+0x2fc/0x3c0
[ 81.783402] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 81.783411] ? netlink_ack+0x9a0/0x9a0
[ 81.783422] ? netlink_deliver_tap+0xba/0x8f0
[ 81.783431] rtnetlink_rcv+0x1d/0x30
[ 81.783438] netlink_unicast+0x45d/0x640
[ 81.783447] ? netlink_attachskb+0x6a0/0x6a0
[ 81.783458] ? security_netlink_send+0x81/0xb0
[ 81.783467] netlink_sendmsg+0x7c4/0xc60
[ 81.783479] ? netlink_unicast+0x640/0x640
[ 81.783492] ? security_socket_sendmsg+0x89/0xb0
[ 81.800370] batman_adv: batadv0: Removing interface: veth0_to_bond
[ 81.802785] ? netlink_unicast+0x640/0x640
[ 81.864323] sock_sendmsg+0xce/0x110
[ 81.868022] ___sys_sendmsg+0x70a/0x840
[ 81.871979] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 81.876720] ? __fget+0x210/0x370
[ 81.880167] ? find_held_lock+0x35/0x130
[ 81.884220] ? __fget+0x210/0x370
[ 81.887662] ? lock_downgrade+0x740/0x740
[ 81.891796] ? __fget+0x237/0x370
[ 81.895232] ? __fget_light+0x172/0x1f0
[ 81.899195] ? __fdget+0x1b/0x20
[ 81.902557] ? sockfd_lookup_light+0xb4/0x160
[ 81.907036] __sys_sendmsg+0xb9/0x140
[ 81.910819] ? SyS_shutdown+0x170/0x170
[ 81.914784] SyS_sendmsg+0x2d/0x50
[ 81.918313] ? __sys_sendmsg+0x140/0x140
[ 81.922365] do_syscall_64+0x1e8/0x640
[ 81.926236] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 81.931065] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 81.936241] RIP: 0033:0x45a639
[ 81.939413] RSP: 002b:00007f0dbf85ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 81.947235] RAX: ffffffffffffffda RBX: 00007f0dbf85ec90 RCX: 000000000045a639
[ 81.954513] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 81.961777] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 81.969033] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0dbf85f6d4
[ 81.976295] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 81.983578] CPU: 0 PID: 7462 Comm: syz-executor.3 Not tainted 4.14.156-syzkaller #0
[ 81.991383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 82.000743] Call Trace:
[ 82.000763] dump_stack+0x142/0x197
[ 82.000782] should_fail.cold+0x10f/0x159
[ 82.000797] should_failslab+0xdb/0x130
[ 82.000804] kmem_cache_alloc_node+0x287/0x780
[ 82.000819] __alloc_skb+0x9c/0x500
[ 82.000826] ? skb_scrub_packet+0x4b0/0x4b0
[ 82.000838] ? rtnl_link_unregister+0x200/0x200
[ 82.019854] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 82.019868] netlink_ack+0x21c/0x9a0
[ 82.019877] ? netlink_sendmsg+0xc60/0xc60
[ 82.027832] netlink_rcv_skb+0x2fc/0x3c0
[ 82.027844] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 82.027853] ? netlink_ack+0x9a0/0x9a0
[ 82.027865] ? netlink_deliver_tap+0xba/0x8f0
[ 82.027877] rtnetlink_rcv+0x1d/0x30
[ 82.027883] netlink_unicast+0x45d/0x640
[ 82.027893] ? netlink_attachskb+0x6a0/0x6a0
[ 82.074102] ? security_netlink_send+0x81/0xb0
[ 82.078698] netlink_sendmsg+0x7c4/0xc60
[ 82.082800] ? netlink_unicast+0x640/0x640
[ 82.087032] ? security_socket_sendmsg+0x89/0xb0
[ 82.091910] ? netlink_unicast+0x640/0x640
[ 82.096237] sock_sendmsg+0xce/0x110
[ 82.099943] ___sys_sendmsg+0x70a/0x840
[ 82.103923] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 82.108679] ? __fget+0x210/0x370
[ 82.112298] ? find_held_lock+0x35/0x130
[ 82.116362] ? __fget+0x210/0x370
[ 82.119818] ? lock_downgrade+0x740/0x740
[ 82.123959] ? __fget+0x237/0x370
[ 82.127419] ? __fget_light+0x172/0x1f0
[ 82.131388] ? __fdget+0x1b/0x20
[ 82.134749] ? sockfd_lookup_light+0xb4/0x160
[ 82.139244] __sys_sendmsg+0xb9/0x140
[ 82.143038] ? SyS_shutdown+0x170/0x170
[ 82.147004] SyS_sendmsg+0x2d/0x50
[ 82.150538] ? __sys_sendmsg+0x140/0x140
[ 82.154591] do_syscall_64+0x1e8/0x640
[ 82.158485] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 82.163314] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 82.168484] RIP: 0033:0x45a639
[ 82.171651] RSP: 002b:00007f7ee59b4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 82.179343] RAX: ffffffffffffffda RBX: 00007f7ee59b4c90 RCX: 000000000045a639
[ 82.186603] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 82.193855] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 82.201108] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ee59b56d4
[ 82.208378] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 82.217324] FAULT_INJECTION: forcing a failure.
[ 82.217324] name failslab, interval 1, probability 0, space 0, times 0
[ 82.238439] CPU: 0 PID: 7466 Comm: syz-executor.5 Not tainted 4.14.156-syzkaller #0
[ 82.246284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 82.255647] Call Trace:
[ 82.258236] dump_stack+0x142/0x197
[ 82.261850] should_fail.cold+0x10f/0x159
[ 82.265983] should_failslab+0xdb/0x130
[ 82.269943] kmem_cache_alloc_trace+0x2e9/0x790
[ 82.274607] ? netlink_broadcast_filtered+0x307/0x9f0
[ 82.279790] netdevice_event+0x164/0x6c0
[ 82.283841] ? update_gid_event_work_handler+0xc0/0xc0
[ 82.289113] ? add_netdev_upper_ips+0x40/0x40
[ 82.293620] ? inetaddr_event+0x170/0x170
[ 82.297771] ? _add_netdev_ips+0x40/0x40
[ 82.301832] ? is_eth_port_of_netdev.part.0+0x250/0x250
[ 82.307298] notifier_call_chain+0x111/0x1b0
[ 82.311704] raw_notifier_call_chain+0x2e/0x40
[ 82.316404] call_netdevice_notifiers_info+0x56/0x70
[ 82.321511] netdev_upper_dev_unlink+0xb5/0xe0
[ 82.326082] ? __netdev_adjacent_dev_unlink_neighbour+0x40/0x40
[ 82.332165] batadv_hardif_disable_interface.cold+0x59e/0x70d
[ 82.338056] ? batadv_softif_init_late+0xca0/0xca0
[ 82.342980] batadv_softif_slave_del+0x61/0xc0
[ 82.347961] do_set_master+0xd5/0x200
[ 82.351798] do_setlink+0x99f/0x2d50
[ 82.355502] ? rtnl_register+0x50/0x50
[ 82.359441] ? trace_hardirqs_on+0x10/0x10
[ 82.363722] ? trace_hardirqs_on+0x10/0x10
[ 82.367992] ? save_trace+0x290/0x290
[ 82.371804] ? __lock_acquire+0x5f7/0x4620
[ 82.376142] ? __lock_is_held+0xb6/0x140
[ 82.380244] ? find_held_lock+0x35/0x130
[ 82.384304] ? save_trace+0x290/0x290
[ 82.388094] ? __update_load_avg_se.isra.0+0x3ba/0x530
[ 82.393366] ? trace_hardirqs_on+0x10/0x10
[ 82.397591] ? validate_nla+0x201/0x5f0
[ 82.401551] ? nla_parse+0x186/0x240
[ 82.405261] rtnl_newlink+0x11a7/0x1700
[ 82.409221] ? rtnl_newlink+0x8d8/0x1700
[ 82.413273] ? rtnl_link_unregister+0x200/0x200
[ 82.418388] ? finish_task_switch+0x178/0x650
[ 82.422886] ? finish_task_switch+0x14d/0x650
[ 82.427384] ? __mutex_lock+0x951/0x1470
[ 82.431439] ? lock_downgrade+0x740/0x740
[ 82.435590] ? rtnl_link_unregister+0x200/0x200
[ 82.440248] rtnetlink_rcv_msg+0x3eb/0xb70
[ 82.444474] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 82.449050] ? netlink_deliver_tap+0x93/0x8f0
[ 82.453716] netlink_rcv_skb+0x14f/0x3c0
[ 82.457782] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 82.462403] ? lock_downgrade+0x740/0x740
[ 82.466541] ? netlink_ack+0x9a0/0x9a0
[ 82.470528] ? netlink_deliver_tap+0xba/0x8f0
[ 82.475024] rtnetlink_rcv+0x1d/0x30
[ 82.478857] netlink_unicast+0x45d/0x640
[ 82.482916] ? netlink_attachskb+0x6a0/0x6a0
[ 82.487318] ? security_netlink_send+0x81/0xb0
[ 82.491892] netlink_sendmsg+0x7c4/0xc60
[ 82.495939] ? netlink_unicast+0x640/0x640
[ 82.500161] ? security_socket_sendmsg+0x89/0xb0
[ 82.504907] ? netlink_unicast+0x640/0x640
[ 82.509135] sock_sendmsg+0xce/0x110
[ 82.512830] ___sys_sendmsg+0x70a/0x840
[ 82.516788] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 82.521578] ? __fget+0x210/0x370
[ 82.525016] ? find_held_lock+0x35/0x130
[ 82.529103] ? __fget+0x210/0x370
[ 82.532540] ? lock_downgrade+0x740/0x740
[ 82.536674] ? __fget+0x237/0x370
[ 82.540165] ? __fget_light+0x172/0x1f0
[ 82.544129] ? __fdget+0x1b/0x20
[ 82.547500] ? sockfd_lookup_light+0xb4/0x160
[ 82.551990] __sys_sendmsg+0xb9/0x140
[ 82.555787] ? SyS_shutdown+0x170/0x170
[ 82.559757] SyS_sendmsg+0x2d/0x50
[ 82.563275] ? __sys_sendmsg+0x140/0x140
[ 82.567334] do_syscall_64+0x1e8/0x640
[ 82.571216] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 82.576054] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 82.581230] RIP: 0033:0x45a639
[ 82.584402] RSP: 002b:00007ffa7a225c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 82.592092] RAX: ffffffffffffffda RBX: 00007ffa7a225c90 RCX: 000000000045a639
[ 82.599350] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 82.606635] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 82.613893] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa7a2266d4
[ 82.621161] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 82.648181] batman_adv: batadv0: Adding interface: veth1_to_bridge
[ 82.659921] batman_adv: batadv0: The MTU of interface veth1_to_bridge 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.
[ 82.707982] batman_adv: batadv0: Interface activated: veth1_to_bridge
[ 82.715655] batman_adv: batadv0: Interface deactivated: veth1_to_bridge
[ 82.723444] batman_adv: batadv0: Removing interface: veth1_to_bridge
[ 82.746007] FAULT_INJECTION: forcing a failure.
[ 82.746007] name failslab, interval 1, probability 0, space 0, times 0
[ 82.760481] CPU: 0 PID: 7485 Comm: syz-executor.1 Not tainted 4.14.156-syzkaller #0
[ 82.768424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 82.777770] Call Trace:
[ 82.780379] dump_stack+0x142/0x197
[ 82.784013] should_fail.cold+0x10f/0x159
[ 82.788190] should_failslab+0xdb/0x130
[ 82.792173] kmem_cache_alloc_trace+0x2e9/0x790
[ 82.796838] ? netlink_broadcast_filtered+0x307/0x9f0
[ 82.802030] netdevice_event+0x164/0x6c0
[ 82.806226] ? update_gid_event_work_handler+0xc0/0xc0
[ 82.811698] ? add_netdev_upper_ips+0x40/0x40
[ 82.816186] ? inetaddr_event+0x170/0x170
[ 82.820342] ? _add_netdev_ips+0x40/0x40
[ 82.824405] ? is_eth_port_of_netdev.part.0+0x250/0x250
[ 82.829770] notifier_call_chain+0x111/0x1b0
[ 82.834178] raw_notifier_call_chain+0x2e/0x40
[ 82.838757] call_netdevice_notifiers_info+0x56/0x70
[ 82.843848] netdev_upper_dev_unlink+0xb5/0xe0
[ 82.848419] ? __netdev_adjacent_dev_unlink_neighbour+0x40/0x40
[ 82.854480] batadv_hardif_disable_interface.cold+0x59e/0x70d
[ 82.860349] ? batadv_softif_init_late+0xca0/0xca0
[ 82.865263] batadv_softif_slave_del+0x61/0xc0
[ 82.869836] do_set_master+0xd5/0x200
[ 82.873628] do_setlink+0x99f/0x2d50
[ 82.877339] ? rtnl_register+0x50/0x50
[ 82.881218] ? __lock_acquire+0x5f7/0x4620
[ 82.885440] ? trace_hardirqs_on+0x10/0x10
[ 82.889664] ? __lock_acquire+0x5f7/0x4620
[ 82.893890] ? cpuacct_charge+0x1db/0x360
[ 82.898030] ? save_trace+0x290/0x290
[ 82.901828] ? save_trace+0x290/0x290
[ 82.905644] ? trace_hardirqs_on+0x10/0x10
[ 82.909904] ? validate_nla+0x201/0x5f0
[ 82.913876] ? nla_parse+0x186/0x240
[ 82.917762] rtnl_newlink+0x11a7/0x1700
[ 82.921744] ? rtnl_newlink+0x8d8/0x1700
[ 82.925816] ? rtnl_link_unregister+0x200/0x200
[ 82.930565] ? finish_task_switch+0x178/0x650
[ 82.935093] ? finish_task_switch+0x14d/0x650
[ 82.939614] ? __mutex_lock+0x951/0x1470
[ 82.943681] ? lock_downgrade+0x740/0x740
[ 82.947851] ? rtnl_link_unregister+0x200/0x200
[ 82.952586] rtnetlink_rcv_msg+0x3eb/0xb70
[ 82.956828] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 82.961537] ? netlink_deliver_tap+0x93/0x8f0
[ 82.966040] netlink_rcv_skb+0x14f/0x3c0
[ 82.970150] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 82.974818] ? lock_downgrade+0x740/0x740
[ 82.978979] ? netlink_ack+0x9a0/0x9a0
[ 82.982874] ? netlink_deliver_tap+0xba/0x8f0
[ 82.987457] rtnetlink_rcv+0x1d/0x30
[ 82.991165] netlink_unicast+0x45d/0x640
[ 82.995255] ? netlink_attachskb+0x6a0/0x6a0
[ 82.999658] ? security_netlink_send+0x81/0xb0
[ 83.004233] netlink_sendmsg+0x7c4/0xc60
[ 83.008298] ? netlink_unicast+0x640/0x640
[ 83.012536] ? security_socket_sendmsg+0x89/0xb0
[ 83.017359] ? netlink_unicast+0x640/0x640
[ 83.021593] sock_sendmsg+0xce/0x110
[ 83.025310] ___sys_sendmsg+0x70a/0x840
[ 83.029291] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 83.034238] ? __fget+0x210/0x370
[ 83.037705] ? find_held_lock+0x35/0x130
[ 83.041762] ? __fget+0x210/0x370
[ 83.045214] ? lock_downgrade+0x740/0x740
[ 83.049372] ? __fget+0x237/0x370
[ 83.052848] ? __fget_light+0x172/0x1f0
[ 83.056991] ? __fdget+0x1b/0x20
[ 83.060373] ? sockfd_lookup_light+0xb4/0x160
[ 83.064875] __sys_sendmsg+0xb9/0x140
[ 83.068662] ? SyS_shutdown+0x170/0x170
[ 83.072672] SyS_sendmsg+0x2d/0x50
[ 83.076204] ? __sys_sendmsg+0x140/0x140
[ 83.080382] do_syscall_64+0x1e8/0x640
[ 83.084255] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 83.089209] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 83.094398] RIP: 0033:0x45a639
[ 83.097572] RSP: 002b:00007f0dbf85ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 83.105274] RAX: ffffffffffffffda RBX: 00007f0dbf85ec90 RCX: 000000000045a639
[ 83.112656] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 83.119926] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 83.127391] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0dbf85f6d4
[ 83.134664] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 83.145380] device bridge_slave_1 left promiscuous mode
[ 83.163239] FAULT_INJECTION: forcing a failure.
[ 83.163239] name failslab, interval 1, probability 0, space 0, times 0
[ 83.174585] CPU: 1 PID: 7488 Comm: syz-executor.3 Not tainted 4.14.156-syzkaller #0
[ 83.182379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 83.191760] Call Trace:
[ 83.194440] dump_stack+0x142/0x197
[ 83.198080] should_fail.cold+0x10f/0x159
[ 83.202301] ? switchdev_port_same_parent_id+0x170/0x170
[ 83.207760] should_failslab+0xdb/0x130
[ 83.211731] __kmalloc+0x71/0x7a0
[ 83.215180] ? trace_hardirqs_on+0x10/0x10
[ 83.219404] ? switchdev_deferred_enqueue+0x2c/0x210
[ 83.224511] ? switchdev_port_same_parent_id+0x170/0x170
[ 83.229963] switchdev_deferred_enqueue+0x2c/0x210
[ 83.235016] switchdev_port_attr_set+0x95/0xb0
[ 83.239591] br_set_state+0xf5/0x130
[ 83.243316] ? br_designated_port_selection+0x5e0/0x5e0
[ 83.248684] ? __local_bh_enable_ip+0x99/0x1a0
[ 83.253283] ? del_nbp+0x11c/0x8b0
[ 83.256934] br_stp_disable_port+0x52/0x180
[ 83.261327] del_nbp+0x128/0x8b0
[ 83.264697] ? __lock_acquire+0x5f7/0x4620
[ 83.268931] br_del_if+0xdf/0x470
[ 83.272384] ? __lock_acquire+0x5f7/0x4620
[ 83.276755] br_del_slave+0x21/0x30
[ 83.280379] ? br_fix_features+0x30/0x30
[ 83.284443] do_set_master+0xd5/0x200
[ 83.288288] do_setlink+0x99f/0x2d50
[ 83.292060] ? trace_hardirqs_on+0x10/0x10
[ 83.296313] ? rtnl_register+0x50/0x50
[ 83.300301] ? __lock_acquire+0x5f7/0x4620
[ 83.304531] ? __lock_acquire+0x5f7/0x4620
[ 83.308894] ? __lock_acquire+0x5f7/0x4620
[ 83.313239] ? __lock_acquire+0x5f7/0x4620
[ 83.317492] ? trace_hardirqs_on+0x10/0x10
[ 83.321732] ? __lock_acquire+0x5f7/0x4620
[ 83.325958] ? cpuacct_charge+0x1db/0x360
[ 83.330116] ? save_trace+0x290/0x290
[ 83.334021] rtnl_newlink+0x11a7/0x1700
[ 83.338002] ? trace_hardirqs_on+0x10/0x10
[ 83.342363] ? validate_nla+0x201/0x5f0
[ 83.346354] ? nla_parse+0x186/0x240
[ 83.350112] ? memset+0x32/0x40
[ 83.353548] ? rtnl_newlink+0x8d8/0x1700
[ 83.357617] ? rtnl_link_unregister+0x200/0x200
[ 83.362284] ? finish_task_switch+0x178/0x650
[ 83.366839] ? finish_task_switch+0x14d/0x650
[ 83.371506] ? __mutex_lock+0x951/0x1470
[ 83.375752] ? lock_downgrade+0x740/0x740
[ 83.379969] ? rtnl_link_unregister+0x200/0x200
[ 83.384634] rtnetlink_rcv_msg+0x3eb/0xb70
[ 83.388889] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 83.393489] ? netlink_deliver_tap+0x93/0x8f0
[ 83.398019] netlink_rcv_skb+0x14f/0x3c0
[ 83.402092] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 83.406709] ? lock_downgrade+0x740/0x740
[ 83.410870] ? netlink_ack+0x9a0/0x9a0
[ 83.414873] ? netlink_deliver_tap+0xba/0x8f0
[ 83.419381] rtnetlink_rcv+0x1d/0x30
[ 83.423087] netlink_unicast+0x45d/0x640
[ 83.427150] ? netlink_attachskb+0x6a0/0x6a0
[ 83.431566] ? security_netlink_send+0x81/0xb0
[ 83.436358] netlink_sendmsg+0x7c4/0xc60
[ 83.440451] ? netlink_unicast+0x640/0x640
[ 83.444708] ? security_socket_sendmsg+0x89/0xb0
[ 83.449477] ? netlink_unicast+0x640/0x640
[ 83.453780] sock_sendmsg+0xce/0x110
[ 83.457514] ___sys_sendmsg+0x70a/0x840
[ 83.461507] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 83.466325] ? __fget+0x210/0x370
[ 83.469792] ? find_held_lock+0x35/0x130
[ 83.473916] ? __fget+0x210/0x370
[ 83.477370] ? lock_downgrade+0x740/0x740
[ 83.481520] ? __fget+0x237/0x370
[ 83.485009] ? __fget_light+0x172/0x1f0
[ 83.489054] ? __fdget+0x1b/0x20
[ 83.492436] ? sockfd_lookup_light+0xb4/0x160
[ 83.496930] __sys_sendmsg+0xb9/0x140
[ 83.500719] ? SyS_shutdown+0x170/0x170
[ 83.504702] SyS_sendmsg+0x2d/0x50
[ 83.508295] ? __sys_sendmsg+0x140/0x140
[ 83.512371] do_syscall_64+0x1e8/0x640
[ 83.516241] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 83.521075] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 83.526252] RIP: 0033:0x45a639
[ 83.529430] RSP: 002b:00007f7ee59b4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 83.537138] RAX: ffffffffffffffda RBX: 00007f7ee59b4c90 RCX: 000000000045a639
[ 83.544399] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005
[ 83.551659] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 83.558917] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ee59b56d4
[ 83.566263] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000006
[ 83.573627] bridge0: error setting offload STP state on port 2(bridge_slave_1)
[ 83.612733] bond0: Releasing backup interface bond_slave_1
[ 83.663438] batman_adv: batadv0: Adding interface: bond_slave_1
[ 83.672240] batman_adv: batadv0: The MTU of interface bond_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.
[ 83.697748] batman_adv: batadv0: Not using interface bond_slave_1 (retrying later): interface not active
[ 83.708911] bond0: Releasing backup interface bond_slave_0
[ 83.742070] batman_adv: batadv0: Adding interface: bond_slave_0
[ 83.748210] 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.
[ 83.773619] batman_adv: batadv0: Not using interface bond_slave_0 (retrying later): interface not active
[ 83.785670] team0: Port device team_slave_0 removed
[ 83.791727] batman_adv: batadv0: Adding interface: team_slave_0
[ 83.797879] batman_adv: batadv0: The MTU of interface team_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.
[ 83.822997] batman_adv: batadv0: Not using interface team_slave_0 (retrying later): interface not active
[ 83.832768] batman_adv: batadv0: Removing interface: bond_slave_1
[ 83.842293] FAULT_INJECTION: forcing a failure.
[ 83.842293] name failslab, interval 1, probability 0, space 0, times 0
[ 83.842305] batman_adv: batadv0: Removing interface: bond_slave_0
[ 83.853805] CPU: 0 PID: 7502 Comm: syz-executor.5 Not tainted 4.14.156-syzkaller #0
[ 83.867758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 83.877106] Call Trace:
[ 83.879695] dump_stack+0x142/0x197
[ 83.883323] should_fail.cold+0x10f/0x159
[ 83.887477] should_failslab+0xdb/0x130
[ 83.891443] kmem_cache_alloc_node+0x287/0x780
[ 83.896011] __alloc_skb+0x9c/0x500
[ 83.899646] ? skb_scrub_packet+0x4b0/0x4b0
[ 83.903973] ? rtnl_link_unregister+0x200/0x200
[ 83.908799] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 83.913202] netlink_ack+0x21c/0x9a0
[ 83.916904] ? netlink_sendmsg+0xc60/0xc60
[ 83.921124] netlink_rcv_skb+0x2fc/0x3c0
[ 83.925167] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 83.929730] ? netlink_ack+0x9a0/0x9a0
[ 83.933606] ? netlink_deliver_tap+0xba/0x8f0
[ 83.938088] rtnetlink_rcv+0x1d/0x30
[ 83.941801] netlink_unicast+0x45d/0x640
[ 83.945861] ? netlink_attachskb+0x6a0/0x6a0
[ 83.950270] ? security_netlink_send+0x81/0xb0
[ 83.954836] netlink_sendmsg+0x7c4/0xc60
[ 83.958894] ? netlink_unicast+0x640/0x640
[ 83.963115] ? security_socket_sendmsg+0x89/0xb0
[ 83.967858] ? netlink_unicast+0x640/0x640
[ 83.972072] sock_sendmsg+0xce/0x110
[ 83.975773] ___sys_sendmsg+0x70a/0x840
[ 83.979747] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 83.984519] ? __fget+0x210/0x370
[ 83.987974] ? find_held_lock+0x35/0x130
[ 83.992032] ? __fget+0x210/0x370
[ 83.995485] ? lock_downgrade+0x740/0x740
[ 83.999638] ? __fget+0x237/0x370
[ 84.003084] ? __fget_light+0x172/0x1f0
[ 84.007064] ? __fdget+0x1b/0x20
[ 84.010415] ? sockfd_lookup_light+0xb4/0x160
[ 84.014895] __sys_sendmsg+0xb9/0x140
[ 84.018678] ? SyS_shutdown+0x170/0x170
[ 84.022641] SyS_sendmsg+0x2d/0x50
[ 84.026158] ? __sys_sendmsg+0x140/0x140
[ 84.030203] do_syscall_64+0x1e8/0x640
[ 84.034071] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 84.038901] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 84.044072] RIP: 0033:0x45a639
[ 84.047241] RSP: 002b:00007ffa7a225c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 84.054931] RAX: ffffffffffffffda RBX: 00007ffa7a225c90 RCX: 000000000045a639
[ 84.062183] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 84.069440] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 84.076692] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa7a2266d4
[ 84.084001] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 84.094100] FAULT_INJECTION: forcing a failure.
[ 84.094100] name failslab, interval 1, probability 0, space 0, times 0
[ 84.108806] CPU: 1 PID: 7504 Comm: syz-executor.0 Not tainted 4.14.156-syzkaller #0
[ 84.116640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 84.126012] Call Trace:
[ 84.128614] dump_stack+0x142/0x197
[ 84.132307] should_fail.cold+0x10f/0x159
[ 84.136466] should_failslab+0xdb/0x130
[ 84.140450] kmem_cache_alloc_trace+0x2e9/0x790
[ 84.145114] ? netlink_broadcast_filtered+0x307/0x9f0
[ 84.150301] netdevice_event+0x164/0x6c0
[ 84.154457] ? update_gid_event_work_handler+0xc0/0xc0
[ 84.159713] ? add_netdev_upper_ips+0x40/0x40
[ 84.164196] ? inetaddr_event+0x170/0x170
[ 84.168425] ? _add_netdev_ips+0x40/0x40
[ 84.172473] ? is_eth_port_of_netdev.part.0+0x250/0x250
[ 84.177833] notifier_call_chain+0x111/0x1b0
[ 84.182235] raw_notifier_call_chain+0x2e/0x40
[ 84.186807] call_netdevice_notifiers_info+0x56/0x70
[ 84.191894] netdev_upper_dev_unlink+0xb5/0xe0
[ 84.196473] ? __netdev_adjacent_dev_unlink_neighbour+0x40/0x40
[ 84.202538] batadv_hardif_disable_interface.cold+0x59e/0x70d
[ 84.208415] ? batadv_softif_init_late+0xca0/0xca0
[ 84.213337] batadv_softif_slave_del+0x61/0xc0
[ 84.217903] do_set_master+0xd5/0x200
[ 84.221693] do_setlink+0x99f/0x2d50
[ 84.225398] ? rtnl_register+0x50/0x50
[ 84.229281] ? trace_hardirqs_on+0x10/0x10
[ 84.233511] ? trace_hardirqs_on+0x10/0x10
[ 84.237727] ? save_trace+0x290/0x290
[ 84.241519] ? __lock_acquire+0x5f7/0x4620
[ 84.245917] ? __lock_is_held+0xb6/0x140
[ 84.249962] ? find_held_lock+0x35/0x130
[ 84.254021] ? save_trace+0x290/0x290
[ 84.257802] ? __update_load_avg_se.isra.0+0x3ba/0x530
[ 84.263060] ? trace_hardirqs_on+0x10/0x10
[ 84.267276] ? validate_nla+0x201/0x5f0
[ 84.271245] ? nla_parse+0x186/0x240
[ 84.274957] rtnl_newlink+0x11a7/0x1700
[ 84.278910] ? rtnl_newlink+0x8d8/0x1700
[ 84.282985] ? rtnl_link_unregister+0x200/0x200
[ 84.287659] ? finish_task_switch+0x178/0x650
[ 84.292328] ? finish_task_switch+0x14d/0x650
[ 84.296825] ? __mutex_lock+0x951/0x1470
[ 84.300907] ? lock_downgrade+0x740/0x740
[ 84.305077] ? rtnl_link_unregister+0x200/0x200
[ 84.309732] rtnetlink_rcv_msg+0x3eb/0xb70
[ 84.313959] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 84.318528] ? netlink_deliver_tap+0x93/0x8f0
[ 84.323096] netlink_rcv_skb+0x14f/0x3c0
[ 84.327153] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 84.331740] ? lock_downgrade+0x740/0x740
[ 84.335882] ? netlink_ack+0x9a0/0x9a0
[ 84.339757] ? netlink_deliver_tap+0xba/0x8f0
[ 84.344258] rtnetlink_rcv+0x1d/0x30
[ 84.347955] netlink_unicast+0x45d/0x640
[ 84.352001] ? netlink_attachskb+0x6a0/0x6a0
[ 84.356397] ? security_netlink_send+0x81/0xb0
[ 84.360973] netlink_sendmsg+0x7c4/0xc60
[ 84.365028] ? netlink_unicast+0x640/0x640
[ 84.369262] ? security_socket_sendmsg+0x89/0xb0
[ 84.374000] ? netlink_unicast+0x640/0x640
[ 84.378219] sock_sendmsg+0xce/0x110
[ 84.381924] ___sys_sendmsg+0x70a/0x840
[ 84.385886] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 84.390634] ? __fget+0x210/0x370
[ 84.394080] ? find_held_lock+0x35/0x130
[ 84.398131] ? __fget+0x210/0x370
[ 84.401576] ? lock_downgrade+0x740/0x740
[ 84.405739] ? __fget+0x237/0x370
[ 84.409176] ? __fget_light+0x172/0x1f0
[ 84.413148] ? __fdget+0x1b/0x20
[ 84.416497] ? sockfd_lookup_light+0xb4/0x160
[ 84.420981] __sys_sendmsg+0xb9/0x140
[ 84.424780] ? SyS_shutdown+0x170/0x170
[ 84.428749] SyS_sendmsg+0x2d/0x50
[ 84.432270] ? __sys_sendmsg+0x140/0x140
[ 84.436317] do_syscall_64+0x1e8/0x640
[ 84.440189] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 84.445040] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 84.450303] RIP: 0033:0x45a639
[ 84.453494] RSP: 002b:00007f853b5bfc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 84.461196] RAX: ffffffffffffffda RBX: 00007f853b5bfc90 RCX: 000000000045a639
[ 84.468468] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 84.475727] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 84.483005] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f853b5c06d4
[ 84.490273] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 84.502900] batman_adv: batadv0: Removing interface: team_slave_0
[ 84.503442] FAULT_INJECTION: forcing a failure.
[ 84.503442] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[ 84.521635] CPU: 1 PID: 7505 Comm: syz-executor.2 Not tainted 4.14.156-syzkaller #0
[ 84.529443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 84.529449] Call Trace:
[ 84.529467] dump_stack+0x142/0x197
[ 84.529485] should_fail.cold+0x10f/0x159
[ 84.529503] __alloc_pages_nodemask+0x1d6/0x7a0
[ 84.542511] FAULT_INJECTION: forcing a failure.
[ 84.542511] name failslab, interval 1, probability 0, space 0, times 0
[ 84.545062] ? __alloc_pages_slowpath+0x2930/0x2930
[ 84.545073] ? check_preemption_disabled+0x3c/0x250
[ 84.545083] ? check_preemption_disabled+0x3c/0x250
[ 84.545100] alloc_pages_current+0xec/0x1e0
[ 84.545114] __get_free_pages+0xf/0x40
[ 84.565089] tlb_remove_table+0x115/0x1e0
[ 84.565105] ___pte_free_tlb+0x9e/0xd0
[ 84.565114] free_pgd_range+0x979/0xd10
[ 84.565127] free_pgtables+0x1fa/0x2b0
[ 84.565139] exit_mmap+0x294/0x4e0
[ 84.565146] ? SyS_munmap+0x30/0x30
[ 84.565165] ? kmem_cache_free+0x244/0x2b0
[ 84.565175] ? __khugepaged_exit+0xcf/0x3d0
[ 84.565185] ? mm_update_next_owner+0x450/0x5d0
[ 84.565197] mmput+0x114/0x440
[ 84.565205] do_exit+0x71d/0x2c10
[ 84.565220] ? find_held_lock+0x35/0x130
[ 84.565228] ? mm_update_next_owner+0x5d0/0x5d0
[ 84.565241] do_group_exit+0x111/0x330
[ 84.565253] get_signal+0x381/0x1cd0
[ 84.588467] do_signal+0x86/0x19a0
[ 84.588480] ? check_preemption_disabled+0x3c/0x250
[ 84.588490] ? __fget+0x237/0x370
[ 84.588503] ? kick_process+0xef/0x180
[ 84.604357] ? setup_sigcontext+0x7d0/0x7d0
[ 84.604368] ? task_work_add+0x8e/0xf0
[ 84.604384] ? __sys_sendmsg+0xd1/0x140
[ 84.604392] ? SyS_shutdown+0x170/0x170
[ 84.604411] ? exit_to_usermode_loop+0x3d/0x220
[ 84.684112] exit_to_usermode_loop+0x15c/0x220
[ 84.688700] do_syscall_64+0x4bc/0x640
[ 84.692581] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 84.697422] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 84.702597] RIP: 0033:0x45a639
[ 84.705783] RSP: 002b:00007f4aace83c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 84.713494] RAX: 0000000000000028 RBX: 00007f4aace83c90 RCX: 000000000045a639
[ 84.720767] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 84.728024] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 84.735293] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4aace846d4
[ 84.742548] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 84.749820] CPU: 0 PID: 7506 Comm: syz-executor.4 Not tainted 4.14.156-syzkaller #0
[ 84.757627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 84.766981] Call Trace:
[ 84.769563] dump_stack+0x142/0x197
[ 84.773184] should_fail.cold+0x10f/0x159
[ 84.777351] should_failslab+0xdb/0x130
[ 84.781333] kmem_cache_alloc_node+0x287/0x780
[ 84.785913] __alloc_skb+0x9c/0x500
[ 84.789529] ? skb_scrub_packet+0x4b0/0x4b0
[ 84.793842] ? rtnl_link_unregister+0x200/0x200
[ 84.798499] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 84.802906] netlink_ack+0x21c/0x9a0
[ 84.806604] ? netlink_sendmsg+0xc60/0xc60
[ 84.810820] netlink_rcv_skb+0x2fc/0x3c0
[ 84.814863] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 84.819423] ? netlink_ack+0x9a0/0x9a0
[ 84.823295] ? netlink_deliver_tap+0xba/0x8f0
[ 84.827774] rtnetlink_rcv+0x1d/0x30
[ 84.831468] netlink_unicast+0x45d/0x640
[ 84.835510] ? netlink_attachskb+0x6a0/0x6a0
[ 84.839898] ? security_netlink_send+0x81/0xb0
[ 84.844476] netlink_sendmsg+0x7c4/0xc60
[ 84.848518] ? netlink_unicast+0x640/0x640
[ 84.852743] ? security_socket_sendmsg+0x89/0xb0
[ 84.857481] ? netlink_unicast+0x640/0x640
[ 84.861698] sock_sendmsg+0xce/0x110
[ 84.865422] ___sys_sendmsg+0x70a/0x840
[ 84.869378] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 84.874115] ? __fget+0x210/0x370
[ 84.877552] ? find_held_lock+0x35/0x130
[ 84.881600] ? __fget+0x210/0x370
[ 84.885039] ? lock_downgrade+0x740/0x740
[ 84.889398] ? __fget+0x237/0x370
[ 84.892845] ? __fget_light+0x172/0x1f0
[ 84.896800] ? __fdget+0x1b/0x20
[ 84.900149] ? sockfd_lookup_light+0xb4/0x160
[ 84.904627] __sys_sendmsg+0xb9/0x140
[ 84.908422] ? SyS_shutdown+0x170/0x170
[ 84.912404] SyS_sendmsg+0x2d/0x50
[ 84.915922] ? __sys_sendmsg+0x140/0x140
[ 84.919967] do_syscall_64+0x1e8/0x640
[ 84.923834] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 84.928663] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 84.933838] RIP: 0033:0x45a639
[ 84.937008] RSP: 002b:00007f105e1e3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
2019/11/25 20:31:16 executed programs: 75
[ 84.944702] RAX: ffffffffffffffda RBX: 00007f105e1e3c90 RCX: 000000000045a639
[ 84.951951] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 84.959201] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 84.966452] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f105e1e46d4
[ 84.973707] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 84.984263] bond0: Releasing backup interface bond_slave_0
[ 85.032492] batman_adv: batadv0: Adding interface: bond_slave_0
[ 85.038650] 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.
[ 85.066616] batman_adv: batadv0: Not using interface bond_slave_0 (retrying later): interface not active
[ 85.077356] batman_adv: batadv0: Removing interface: bond_slave_0
[ 85.087459] FAULT_INJECTION: forcing a failure.
[ 85.087459] name failslab, interval 1, probability 0, space 0, times 0
[ 85.098690] CPU: 0 PID: 7510 Comm: syz-executor.1 Not tainted 4.14.156-syzkaller #0
[ 85.106467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 85.115815] Call Trace:
[ 85.118391] dump_stack+0x142/0x197
[ 85.122016] should_fail.cold+0x10f/0x159
[ 85.126160] should_failslab+0xdb/0x130
[ 85.130115] kmem_cache_alloc_trace+0x2e9/0x790
[ 85.134777] ? netlink_broadcast_filtered+0x307/0x9f0
[ 85.139980] netdevice_event+0x164/0x6c0
[ 85.144026] ? update_gid_event_work_handler+0xc0/0xc0
[ 85.149292] ? add_netdev_upper_ips+0x40/0x40
[ 85.154522] ? inetaddr_event+0x170/0x170
[ 85.158661] ? _add_netdev_ips+0x40/0x40
[ 85.162712] ? is_eth_port_of_netdev.part.0+0x250/0x250
[ 85.168154] notifier_call_chain+0x111/0x1b0
[ 85.172746] raw_notifier_call_chain+0x2e/0x40
[ 85.177334] call_netdevice_notifiers_info+0x56/0x70
[ 85.182490] netdev_upper_dev_unlink+0xb5/0xe0
[ 85.187067] ? __netdev_adjacent_dev_unlink_neighbour+0x40/0x40
[ 85.193133] batadv_hardif_disable_interface.cold+0x59e/0x70d
[ 85.199015] ? batadv_softif_init_late+0xca0/0xca0
[ 85.203941] batadv_softif_slave_del+0x61/0xc0
[ 85.208618] do_set_master+0xd5/0x200
[ 85.212543] do_setlink+0x99f/0x2d50
[ 85.216246] ? rtnl_register+0x50/0x50
[ 85.220130] ? __lock_acquire+0x5f7/0x4620
[ 85.224353] ? trace_hardirqs_on+0x10/0x10
[ 85.228619] ? __lock_acquire+0x5f7/0x4620
[ 85.232848] ? cpuacct_charge+0x1db/0x360
[ 85.237013] ? save_trace+0x290/0x290
[ 85.240804] ? save_trace+0x290/0x290
[ 85.244590] ? trace_hardirqs_on+0x10/0x10
[ 85.248810] ? validate_nla+0x201/0x5f0
[ 85.252772] ? nla_parse+0x186/0x240
[ 85.256488] rtnl_newlink+0x11a7/0x1700
[ 85.260449] ? rtnl_newlink+0x8d8/0x1700
[ 85.264504] ? rtnl_link_unregister+0x200/0x200
[ 85.269160] ? finish_task_switch+0x178/0x650
[ 85.273662] ? finish_task_switch+0x14d/0x650
[ 85.278189] ? __mutex_lock+0x951/0x1470
[ 85.282253] ? lock_downgrade+0x740/0x740
[ 85.286437] ? rtnl_link_unregister+0x200/0x200
[ 85.291094] rtnetlink_rcv_msg+0x3eb/0xb70
[ 85.295314] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 85.299889] ? netlink_deliver_tap+0x93/0x8f0
[ 85.304383] netlink_rcv_skb+0x14f/0x3c0
[ 85.308432] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 85.313020] ? lock_downgrade+0x740/0x740
[ 85.317171] ? netlink_ack+0x9a0/0x9a0
[ 85.321063] ? netlink_deliver_tap+0xba/0x8f0
[ 85.325666] rtnetlink_rcv+0x1d/0x30
[ 85.329369] netlink_unicast+0x45d/0x640
[ 85.333427] ? netlink_attachskb+0x6a0/0x6a0
[ 85.337902] ? security_netlink_send+0x81/0xb0
[ 85.342471] netlink_sendmsg+0x7c4/0xc60
[ 85.346520] ? netlink_unicast+0x640/0x640
[ 85.350739] ? security_socket_sendmsg+0x89/0xb0
[ 85.355477] ? netlink_unicast+0x640/0x640
[ 85.359694] sock_sendmsg+0xce/0x110
[ 85.363391] ___sys_sendmsg+0x70a/0x840
[ 85.367348] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 85.372128] ? __fget+0x210/0x370
[ 85.375567] ? find_held_lock+0x35/0x130
[ 85.379699] ? __fget+0x210/0x370
[ 85.383848] ? lock_downgrade+0x740/0x740
[ 85.388013] ? __fget+0x237/0x370
[ 85.391458] ? __fget_light+0x172/0x1f0
[ 85.395412] ? __fdget+0x1b/0x20
[ 85.398759] ? sockfd_lookup_light+0xb4/0x160
[ 85.403239] __sys_sendmsg+0xb9/0x140
[ 85.407019] ? SyS_shutdown+0x170/0x170
[ 85.410977] SyS_sendmsg+0x2d/0x50
[ 85.414496] ? __sys_sendmsg+0x140/0x140
[ 85.418556] do_syscall_64+0x1e8/0x640
[ 85.422421] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 85.428128] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 85.433336] RIP: 0033:0x45a639
[ 85.436517] RSP: 002b:00007f0dbf85ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 85.444211] RAX: ffffffffffffffda RBX: 00007f0dbf85ec90 RCX: 000000000045a639
[ 85.451462] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 85.458730] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 85.465981] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0dbf85f6d4
[ 85.473231] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 85.485564] batman_adv: batadv0: Adding interface: veth1_to_bond
[ 85.493044] batman_adv: batadv0: The MTU of interface veth1_to_bond 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.
[ 85.518711] batman_adv: batadv0: Interface activated: veth1_to_bond
[ 85.527398] batman_adv: batadv0: Interface deactivated: veth1_to_bond
[ 85.534146] batman_adv: batadv0: Removing interface: veth1_to_bond
[ 85.542616] FAULT_INJECTION: forcing a failure.
[ 85.542616] name failslab, interval 1, probability 0, space 0, times 0
[ 85.543281] batman_adv: batadv0: Adding interface: veth1_to_team
[ 85.553933] CPU: 1 PID: 7514 Comm: syz-executor.3 Not tainted 4.14.156-syzkaller #0
[ 85.564890] batman_adv: batadv0: The MTU of interface veth1_to_team 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.
[ 85.567806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 85.567810] Call Trace:
[ 85.567824] dump_stack+0x142/0x197
[ 85.567840] should_fail.cold+0x10f/0x159
[ 85.567853] should_failslab+0xdb/0x130
[ 85.567864] kmem_cache_alloc_node_trace+0x280/0x770
[ 85.601671] batman_adv: batadv0: Interface activated: veth1_to_team
[ 85.603147] ? rcu_lockdep_current_cpu_online+0xf2/0x140
[ 85.603162] __kmalloc_node_track_caller+0x3d/0x80
[ 85.603175] __kmalloc_reserve.isra.0+0x40/0xe0
[ 85.603187] __alloc_skb+0xcf/0x500
[ 85.606755] batman_adv: batadv0: Interface deactivated: veth1_to_team
[ 85.609388] ? skb_scrub_packet+0x4b0/0x4b0
[ 85.609398] ? rtnl_link_unregister+0x200/0x200
[ 85.609405] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 85.609418] netlink_ack+0x21c/0x9a0
[ 85.609429] ? netlink_sendmsg+0xc60/0xc60
[ 85.609439] netlink_rcv_skb+0x2fc/0x3c0
[ 85.609447] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 85.617854] batman_adv: batadv0: Removing interface: veth1_to_team
[ 85.622713] ? netlink_ack+0x9a0/0x9a0
[ 85.622725] ? netlink_deliver_tap+0xba/0x8f0
[ 85.622738] rtnetlink_rcv+0x1d/0x30
[ 85.622746] netlink_unicast+0x45d/0x640
[ 85.622758] ? netlink_attachskb+0x6a0/0x6a0
[ 85.622768] ? security_netlink_send+0x81/0xb0
[ 85.622777] netlink_sendmsg+0x7c4/0xc60
[ 85.622789] ? netlink_unicast+0x640/0x640
[ 85.622800] ? security_socket_sendmsg+0x89/0xb0
[ 85.622810] ? netlink_unicast+0x640/0x640
[ 85.733509] sock_sendmsg+0xce/0x110
[ 85.737221] ___sys_sendmsg+0x70a/0x840
[ 85.741255] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 85.746040] ? __fget+0x210/0x370
[ 85.749483] ? find_held_lock+0x35/0x130
[ 85.753536] ? __fget+0x210/0x370
[ 85.757000] ? lock_downgrade+0x740/0x740
[ 85.761144] ? __fget+0x237/0x370
[ 85.764580] ? __fget_light+0x172/0x1f0
[ 85.768546] ? __fdget+0x1b/0x20
[ 85.771915] ? sockfd_lookup_light+0xb4/0x160
[ 85.776402] __sys_sendmsg+0xb9/0x140
[ 85.780191] ? SyS_shutdown+0x170/0x170
[ 85.784161] SyS_sendmsg+0x2d/0x50
[ 85.787683] ? __sys_sendmsg+0x140/0x140
[ 85.792256] do_syscall_64+0x1e8/0x640
[ 85.796134] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 85.800963] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 85.806139] RIP: 0033:0x45a639
[ 85.809311] RSP: 002b:00007f7ee59b4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 85.817007] RAX: ffffffffffffffda RBX: 00007f7ee59b4c90 RCX: 000000000045a639
[ 85.824278] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 85.831556] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 85.838819] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ee59b56d4
[ 85.846092] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 85.855220] FAULT_INJECTION: forcing a failure.
[ 85.855220] name failslab, interval 1, probability 0, space 0, times 0
[ 85.878443] CPU: 0 PID: 7518 Comm: syz-executor.5 Not tainted 4.14.156-syzkaller #0
[ 85.886483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 85.895842] Call Trace:
[ 85.898434] dump_stack+0x142/0x197
[ 85.902053] should_fail.cold+0x10f/0x159
[ 85.906191] should_failslab+0xdb/0x130
[ 85.910232] kmem_cache_alloc_trace+0x2e9/0x790
[ 85.914951] ? netlink_broadcast_filtered+0x307/0x9f0
[ 85.920139] netdevice_event+0x164/0x6c0
[ 85.924206] ? update_gid_event_work_handler+0xc0/0xc0
[ 85.929509] ? add_netdev_upper_ips+0x40/0x40
[ 85.934003] ? inetaddr_event+0x170/0x170
[ 85.938180] ? _add_netdev_ips+0x40/0x40
[ 85.942251] ? is_eth_port_of_netdev.part.0+0x250/0x250
[ 85.947607] notifier_call_chain+0x111/0x1b0
[ 85.952005] raw_notifier_call_chain+0x2e/0x40
[ 85.956570] call_netdevice_notifiers_info+0x56/0x70
[ 85.961670] netdev_upper_dev_unlink+0xb5/0xe0
[ 85.966233] ? __netdev_adjacent_dev_unlink_neighbour+0x40/0x40
[ 85.972288] batadv_hardif_disable_interface.cold+0x59e/0x70d
[ 85.978201] ? batadv_softif_init_late+0xca0/0xca0
[ 85.983114] batadv_softif_slave_del+0x61/0xc0
[ 85.987695] do_set_master+0xd5/0x200
[ 85.991480] do_setlink+0x99f/0x2d50
[ 85.995220] ? rtnl_register+0x50/0x50
[ 85.999130] ? __lock_acquire+0x5f7/0x4620
[ 86.003348] ? find_next_bit+0x28/0x30
[ 86.007217] ? cpumask_next+0x35/0x40
[ 86.011064] ? cpumask_next_and+0x89/0xb0
[ 86.015232] ? __lock_acquire+0x5f7/0x4620
[ 86.019621] ? save_trace+0x290/0x290
[ 86.023424] ? trace_hardirqs_on+0x10/0x10
[ 86.027662] ? validate_nla+0x201/0x5f0
[ 86.031630] ? nla_parse+0x186/0x240
[ 86.035404] rtnl_newlink+0x11a7/0x1700
[ 86.039368] ? rtnl_newlink+0x8d8/0x1700
[ 86.043443] ? rtnl_link_unregister+0x200/0x200
[ 86.048119] ? finish_task_switch+0x178/0x650
[ 86.052600] ? finish_task_switch+0x14d/0x650
[ 86.057081] ? __mutex_lock+0x951/0x1470
[ 86.061157] ? lock_downgrade+0x740/0x740
[ 86.065357] ? rtnl_link_unregister+0x200/0x200
[ 86.070016] rtnetlink_rcv_msg+0x3eb/0xb70
[ 86.074256] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 86.078836] ? netlink_deliver_tap+0x93/0x8f0
[ 86.083335] netlink_rcv_skb+0x14f/0x3c0
[ 86.087383] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 86.091949] ? lock_downgrade+0x740/0x740
[ 86.096078] ? netlink_ack+0x9a0/0x9a0
[ 86.099983] ? netlink_deliver_tap+0xba/0x8f0
[ 86.104480] rtnetlink_rcv+0x1d/0x30
[ 86.108178] netlink_unicast+0x45d/0x640
[ 86.112233] ? netlink_attachskb+0x6a0/0x6a0
[ 86.116640] ? security_netlink_send+0x81/0xb0
[ 86.121213] netlink_sendmsg+0x7c4/0xc60
[ 86.125270] ? netlink_unicast+0x640/0x640
[ 86.129491] ? security_socket_sendmsg+0x89/0xb0
[ 86.134240] ? netlink_unicast+0x640/0x640
[ 86.138460] sock_sendmsg+0xce/0x110
[ 86.142161] ___sys_sendmsg+0x70a/0x840
[ 86.146126] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 86.150871] ? __fget+0x210/0x370
[ 86.154323] ? find_held_lock+0x35/0x130
[ 86.158388] ? __fget+0x210/0x370
[ 86.161828] ? lock_downgrade+0x740/0x740
[ 86.165959] ? __fget+0x237/0x370
[ 86.169396] ? __fget_light+0x172/0x1f0
[ 86.173357] ? __fdget+0x1b/0x20
[ 86.176712] ? sockfd_lookup_light+0xb4/0x160
[ 86.181193] __sys_sendmsg+0xb9/0x140
[ 86.184975] ? SyS_shutdown+0x170/0x170
[ 86.188936] SyS_sendmsg+0x2d/0x50
[ 86.192458] ? __sys_sendmsg+0x140/0x140
[ 86.196502] do_syscall_64+0x1e8/0x640
[ 86.200369] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 86.205274] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 86.210453] RIP: 0033:0x45a639
[ 86.213696] RSP: 002b:00007ffa7a225c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 86.221430] RAX: ffffffffffffffda RBX: 00007ffa7a225c90 RCX: 000000000045a639
[ 86.228804] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 86.236221] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 86.243665] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa7a2266d4
[ 86.250934] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 86.268753] batman_adv: batadv0: Adding interface: veth0_to_team
[ 86.280648] batman_adv: batadv0: The MTU of interface veth0_to_team 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.
[ 86.306397] batman_adv: batadv0: Interface activated: veth0_to_team
[ 86.313527] batman_adv: batadv0: Interface deactivated: veth0_to_team
[ 86.320473] batman_adv: batadv0: Removing interface: veth0_to_team
[ 86.328027] FAULT_INJECTION: forcing a failure.
[ 86.328027] name failslab, interval 1, probability 0, space 0, times 0
[ 86.328736] batman_adv: batadv0: Adding interface: veth0_to_hsr
[ 86.340372] CPU: 0 PID: 7522 Comm: syz-executor.0 Not tainted 4.14.156-syzkaller #0
[ 86.350338] batman_adv: batadv0: The MTU of interface veth0_to_hsr 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.
[ 86.353181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 86.353190] Call Trace:
[ 86.353210] dump_stack+0x142/0x197
[ 86.353229] should_fail.cold+0x10f/0x159
[ 86.378361] batman_adv: batadv0: Interface activated: veth0_to_hsr
[ 86.387620] should_failslab+0xdb/0x130
[ 86.387629] kmem_cache_alloc_node+0x287/0x780
[ 86.387647] __alloc_skb+0x9c/0x500
[ 86.387655] ? skb_scrub_packet+0x4b0/0x4b0
[ 86.387665] ? rtnl_link_unregister+0x200/0x200
[ 86.387671] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 86.387684] netlink_ack+0x21c/0x9a0
[ 86.387695] ? netlink_sendmsg+0xc60/0xc60
[ 86.401055] batman_adv: batadv0: Interface deactivated: veth0_to_hsr
[ 86.404398] netlink_rcv_skb+0x2fc/0x3c0
[ 86.404411] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 86.408511] batman_adv: batadv0: Removing interface: veth0_to_hsr
[ 86.412934] ? netlink_ack+0x9a0/0x9a0
[ 86.412945] ? netlink_deliver_tap+0xba/0x8f0
[ 86.412957] rtnetlink_rcv+0x1d/0x30
[ 86.412966] netlink_unicast+0x45d/0x640
[ 86.412976] ? netlink_attachskb+0x6a0/0x6a0
[ 86.412989] ? security_netlink_send+0x81/0xb0
[ 86.412998] netlink_sendmsg+0x7c4/0xc60
[ 86.413008] ? netlink_unicast+0x640/0x640
[ 86.413021] ? security_socket_sendmsg+0x89/0xb0
[ 86.497848] ? netlink_unicast+0x640/0x640
[ 86.502069] sock_sendmsg+0xce/0x110
[ 86.505777] ___sys_sendmsg+0x70a/0x840
[ 86.509736] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 86.514500] ? __fget+0x210/0x370
[ 86.517945] ? find_held_lock+0x35/0x130
[ 86.521998] ? __fget+0x210/0x370
[ 86.525448] ? lock_downgrade+0x740/0x740
[ 86.529586] ? __fget+0x237/0x370
[ 86.533025] ? __fget_light+0x172/0x1f0
[ 86.536993] ? __fdget+0x1b/0x20
[ 86.540341] ? sockfd_lookup_light+0xb4/0x160
[ 86.544816] __sys_sendmsg+0xb9/0x140
[ 86.548598] ? SyS_shutdown+0x170/0x170
[ 86.552576] SyS_sendmsg+0x2d/0x50
[ 86.556106] ? __sys_sendmsg+0x140/0x140
[ 86.560153] do_syscall_64+0x1e8/0x640
[ 86.564033] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 86.568870] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 86.574073] RIP: 0033:0x45a639
[ 86.577243] RSP: 002b:00007f853b5bfc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 86.584943] RAX: ffffffffffffffda RBX: 00007f853b5bfc90 RCX: 000000000045a639
[ 86.592202] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 86.599452] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 86.606717] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f853b5c06d4
[ 86.613985] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 86.624832] FAULT_INJECTION: forcing a failure.
[ 86.624832] name failslab, interval 1, probability 0, space 0, times 0
[ 86.643378] CPU: 1 PID: 7529 Comm: syz-executor.4 Not tainted 4.14.156-syzkaller #0
[ 86.651216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 86.660572] Call Trace:
[ 86.663159] dump_stack+0x142/0x197
[ 86.666787] should_fail.cold+0x10f/0x159
[ 86.670939] should_failslab+0xdb/0x130
[ 86.674918] kmem_cache_alloc_trace+0x2e9/0x790
[ 86.679603] ? netlink_broadcast_filtered+0x307/0x9f0
[ 86.684801] netdevice_event+0x164/0x6c0
[ 86.688867] ? update_gid_event_work_handler+0xc0/0xc0
[ 86.694149] ? add_netdev_upper_ips+0x40/0x40
[ 86.698644] ? inetaddr_event+0x170/0x170
[ 86.702796] ? _add_netdev_ips+0x40/0x40
[ 86.706921] ? is_eth_port_of_netdev.part.0+0x250/0x250
[ 86.712288] notifier_call_chain+0x111/0x1b0
[ 86.716689] raw_notifier_call_chain+0x2e/0x40
[ 86.721262] call_netdevice_notifiers_info+0x56/0x70
[ 86.726367] netdev_upper_dev_unlink+0xb5/0xe0
[ 86.731008] ? __netdev_adjacent_dev_unlink_neighbour+0x40/0x40
[ 86.737165] batadv_hardif_disable_interface.cold+0x59e/0x70d
[ 86.743044] ? batadv_softif_init_late+0xca0/0xca0
[ 86.747970] batadv_softif_slave_del+0x61/0xc0
[ 86.752568] do_set_master+0xd5/0x200
[ 86.756356] do_setlink+0x99f/0x2d50
[ 86.760062] ? rtnl_register+0x50/0x50
[ 86.764036] ? __lock_acquire+0x5f7/0x4620
[ 86.768256] ? trace_hardirqs_on+0x10/0x10
[ 86.772477] ? __lock_acquire+0x5f7/0x4620
[ 86.776693] ? cpuacct_charge+0x1db/0x360
[ 86.780823] ? save_trace+0x290/0x290
[ 86.784617] ? save_trace+0x290/0x290
[ 86.788421] ? trace_hardirqs_on+0x10/0x10
[ 86.792665] ? validate_nla+0x201/0x5f0
[ 86.796627] ? nla_parse+0x186/0x240
[ 86.800333] rtnl_newlink+0x11a7/0x1700
[ 86.804294] ? rtnl_newlink+0x8d8/0x1700
[ 86.808344] ? rtnl_link_unregister+0x200/0x200
[ 86.813050] ? finish_task_switch+0x178/0x650
[ 86.817539] ? finish_task_switch+0x14d/0x650
[ 86.822047] ? __mutex_lock+0x951/0x1470
[ 86.826113] ? lock_downgrade+0x740/0x740
[ 86.830297] ? rtnl_link_unregister+0x200/0x200
[ 86.835038] rtnetlink_rcv_msg+0x3eb/0xb70
[ 86.839258] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 86.843831] ? netlink_deliver_tap+0x93/0x8f0
[ 86.848396] netlink_rcv_skb+0x14f/0x3c0
[ 86.852462] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 86.857048] ? lock_downgrade+0x740/0x740
[ 86.861181] ? netlink_ack+0x9a0/0x9a0
[ 86.865049] ? netlink_deliver_tap+0xba/0x8f0
[ 86.869545] rtnetlink_rcv+0x1d/0x30
[ 86.873270] netlink_unicast+0x45d/0x640
[ 86.877322] ? netlink_attachskb+0x6a0/0x6a0
[ 86.881724] ? security_netlink_send+0x81/0xb0
[ 86.886305] netlink_sendmsg+0x7c4/0xc60
[ 86.890351] ? netlink_unicast+0x640/0x640
[ 86.894686] ? security_socket_sendmsg+0x89/0xb0
[ 86.899445] ? netlink_unicast+0x640/0x640
[ 86.903673] sock_sendmsg+0xce/0x110
[ 86.907383] ___sys_sendmsg+0x70a/0x840
[ 86.911359] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 86.916116] ? __fget+0x210/0x370
[ 86.919686] ? find_held_lock+0x35/0x130
[ 86.923747] ? __fget+0x210/0x370
[ 86.927216] ? lock_downgrade+0x740/0x740
[ 86.931380] ? __fget+0x237/0x370
[ 86.934824] ? __fget_light+0x172/0x1f0
[ 86.938795] ? __fdget+0x1b/0x20
[ 86.942148] ? sockfd_lookup_light+0xb4/0x160
[ 86.946635] __sys_sendmsg+0xb9/0x140
[ 86.950429] ? SyS_shutdown+0x170/0x170
[ 86.954405] SyS_sendmsg+0x2d/0x50
[ 86.957925] ? __sys_sendmsg+0x140/0x140
[ 86.961984] do_syscall_64+0x1e8/0x640
[ 86.965875] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 86.970715] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 86.975894] RIP: 0033:0x45a639
[ 86.979062] RSP: 002b:00007f105e1e3c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 86.986762] RAX: ffffffffffffffda RBX: 00007f105e1e3c90 RCX: 000000000045a639
[ 86.994023] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 87.001273] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 87.008527] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f105e1e46d4
[ 87.015787] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 87.025518] batman_adv: batadv0: Adding interface: veth0_to_team
[ 87.050981] batman_adv: batadv0: The MTU of interface veth0_to_team 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.
[ 87.077213] batman_adv: batadv0: Interface activated: veth0_to_team
[ 87.087639] team0: Port device team_slave_0 removed
[ 87.099946] batman_adv: batadv0: Adding interface: team_slave_0
[ 87.107119] batman_adv: batadv0: The MTU of interface team_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.
[ 87.132620] batman_adv: batadv0: Not using interface team_slave_0 (retrying later): interface not active
[ 87.142403] batman_adv: batadv0: Removing interface: team_slave_0
[ 87.149530] FAULT_INJECTION: forcing a failure.
[ 87.149530] name failslab, interval 1, probability 0, space 0, times 0
[ 87.161394] CPU: 1 PID: 7539 Comm: syz-executor.3 Not tainted 4.14.156-syzkaller #0
[ 87.169185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 87.178530] Call Trace:
[ 87.181115] dump_stack+0x142/0x197
[ 87.184736] should_fail.cold+0x10f/0x159
[ 87.188871] should_failslab+0xdb/0x130
[ 87.192839] kmem_cache_alloc_node_trace+0x5a/0x770
[ 87.197857] __kmalloc_node_track_caller+0x3d/0x80
[ 87.202794] __kmalloc_reserve.isra.0+0x40/0xe0
[ 87.207624] pskb_expand_head+0x116/0xc10
[ 87.211785] ? rtnl_fill_vfinfo+0xbd0/0xbd0
[ 87.216190] ? kasan_kmalloc+0xce/0xf0
[ 87.220089] netlink_trim+0x1c1/0x230
[ 87.223891] netlink_broadcast_filtered+0x5c/0x9f0
[ 87.228903] ? skb_scrub_packet+0x4b0/0x4b0
[ 87.233245] nlmsg_notify+0x7c/0x190
[ 87.236979] rtmsg_ifinfo_event.part.0+0xa1/0xc0
[ 87.241744] rtnetlink_event+0xf4/0x120
[ 87.245707] notifier_call_chain+0x111/0x1b0
[ 87.250119] raw_notifier_call_chain+0x2e/0x40
[ 87.254713] call_netdevice_notifiers_info+0x56/0x70
[ 87.259990] netdev_upper_dev_unlink+0xb5/0xe0
[ 87.264604] ? __netdev_adjacent_dev_unlink_neighbour+0x40/0x40
[ 87.270694] batadv_hardif_disable_interface.cold+0x59e/0x70d
[ 87.276612] ? batadv_softif_init_late+0xca0/0xca0
[ 87.281562] batadv_softif_slave_del+0x61/0xc0
[ 87.286165] do_set_master+0xd5/0x200
[ 87.290103] do_setlink+0x99f/0x2d50
[ 87.293841] ? rtnl_register+0x50/0x50
[ 87.297745] ? __lock_acquire+0x5f7/0x4620
[ 87.301981] ? trace_hardirqs_on+0x10/0x10
[ 87.306218] ? __lock_acquire+0x5f7/0x4620
[ 87.310444] ? cpuacct_charge+0x1db/0x360
[ 87.314610] ? save_trace+0x290/0x290
[ 87.318528] ? save_trace+0x290/0x290
[ 87.322324] ? trace_hardirqs_on+0x10/0x10
[ 87.326553] ? validate_nla+0x201/0x5f0
[ 87.330527] ? nla_parse+0x186/0x240
[ 87.334242] rtnl_newlink+0x11a7/0x1700
[ 87.338355] ? rtnl_newlink+0x8d8/0x1700
[ 87.342422] ? rtnl_link_unregister+0x200/0x200
[ 87.347087] ? finish_task_switch+0x178/0x650
[ 87.351586] ? finish_task_switch+0x14d/0x650
[ 87.356098] ? __mutex_lock+0x951/0x1470
[ 87.360175] ? lock_downgrade+0x740/0x740
[ 87.364375] ? rtnl_link_unregister+0x200/0x200
[ 87.369156] rtnetlink_rcv_msg+0x3eb/0xb70
[ 87.373398] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 87.377995] ? netlink_deliver_tap+0x93/0x8f0
[ 87.382500] netlink_rcv_skb+0x14f/0x3c0
[ 87.386562] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 87.391328] ? lock_downgrade+0x740/0x740
[ 87.395476] ? netlink_ack+0x9a0/0x9a0
[ 87.399356] ? netlink_deliver_tap+0xba/0x8f0
[ 87.403859] rtnetlink_rcv+0x1d/0x30
[ 87.407569] netlink_unicast+0x45d/0x640
[ 87.411639] ? netlink_attachskb+0x6a0/0x6a0
[ 87.416061] ? security_netlink_send+0x81/0xb0
[ 87.420661] netlink_sendmsg+0x7c4/0xc60
[ 87.424852] ? netlink_unicast+0x640/0x640
[ 87.429081] ? security_socket_sendmsg+0x89/0xb0
[ 87.433959] ? netlink_unicast+0x640/0x640
[ 87.438195] sock_sendmsg+0xce/0x110
[ 87.441916] ___sys_sendmsg+0x70a/0x840
[ 87.445917] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 87.450694] ? __fget+0x210/0x370
[ 87.454164] ? find_held_lock+0x35/0x130
[ 87.458290] ? __fget+0x210/0x370
[ 87.461791] ? lock_downgrade+0x740/0x740
[ 87.465933] ? __fget+0x237/0x370
[ 87.469393] ? __fget_light+0x172/0x1f0
[ 87.473378] ? __fdget+0x1b/0x20
[ 87.476749] ? sockfd_lookup_light+0xb4/0x160
[ 87.481322] __sys_sendmsg+0xb9/0x140
[ 87.485130] ? SyS_shutdown+0x170/0x170
[ 87.489103] SyS_sendmsg+0x2d/0x50
[ 87.492640] ? __sys_sendmsg+0x140/0x140
[ 87.496735] do_syscall_64+0x1e8/0x640
[ 87.500657] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 87.505524] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 87.510719] RIP: 0033:0x45a639
[ 87.513906] RSP: 002b:00007f7ee59b4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 87.521609] RAX: ffffffffffffffda RBX: 00007f7ee59b4c90 RCX: 000000000045a639
[ 87.528862] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 87.536117] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 87.543386] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ee59b56d4
[ 87.550647] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 87.560619] batman_adv: batadv0: Adding interface: hsr_slave_0
[ 87.566764] batman_adv: batadv0: The MTU of interface hsr_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.
[ 87.603293] batman_adv: batadv0: Interface activated: hsr_slave_0
[ 87.610641] batman_adv: batadv0: Interface deactivated: hsr_slave_0
[ 87.617129] batman_adv: batadv0: Removing interface: hsr_slave_0
[ 87.624997] FAULT_INJECTION: forcing a failure.
[ 87.624997] name failslab, interval 1, probability 0, space 0, times 0
[ 87.636864] CPU: 1 PID: 7543 Comm: syz-executor.5 Not tainted 4.14.156-syzkaller #0
[ 87.638731] team0: Port device team_slave_1 removed
[ 87.644681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 87.644686] Call Trace:
[ 87.644705] dump_stack+0x142/0x197
[ 87.644720] should_fail.cold+0x10f/0x159
[ 87.644733] should_failslab+0xdb/0x130
[ 87.644740] kmem_cache_alloc_node+0x287/0x780
[ 87.644755] __alloc_skb+0x9c/0x500
[ 87.644762] ? skb_scrub_packet+0x4b0/0x4b0
[ 87.644771] ? rtnl_link_unregister+0x200/0x200
[ 87.644776] ? rtnetlink_rcv_msg+0x3fd/0xb70
[ 87.644789] netlink_ack+0x21c/0x9a0
[ 87.644798] ? netlink_sendmsg+0xc60/0xc60
[ 87.644809] netlink_rcv_skb+0x2fc/0x3c0
[ 87.644818] ? rtnl_bridge_getlink+0x7a0/0x7a0
[ 87.644827] ? netlink_ack+0x9a0/0x9a0
[ 87.644838] ? netlink_deliver_tap+0xba/0x8f0
[ 87.644849] rtnetlink_rcv+0x1d/0x30
[ 87.644857] netlink_unicast+0x45d/0x640
[ 87.644866] ? netlink_attachskb+0x6a0/0x6a0
[ 87.644878] ? security_netlink_send+0x81/0xb0
[ 87.644886] netlink_sendmsg+0x7c4/0xc60
[ 87.644896] ? netlink_unicast+0x640/0x640
[ 87.644907] ? security_socket_sendmsg+0x89/0xb0
[ 87.644914] ? netlink_unicast+0x640/0x640
[ 87.644923] sock_sendmsg+0xce/0x110
[ 87.644931] ___sys_sendmsg+0x70a/0x840
[ 87.644940] ? copy_msghdr_from_user+0x3f0/0x3f0
[ 87.644951] ? __fget+0x210/0x370
[ 87.644963] ? find_held_lock+0x35/0x130
[ 87.644969] ? __fget+0x210/0x370
[ 87.644980] ? lock_downgrade+0x740/0x740
[ 87.644990] ? __fget+0x237/0x370
[ 87.656436] batman_adv: batadv0: Adding interface: team_slave_1
[ 87.659363] ? __fget_light+0x172/0x1f0
[ 87.659374] ? __fdget+0x1b/0x20
[ 87.659385] ? sockfd_lookup_light+0xb4/0x160
[ 87.659395] __sys_sendmsg+0xb9/0x140
[ 87.659403] ? SyS_shutdown+0x170/0x170
[ 87.659421] SyS_sendmsg+0x2d/0x50
[ 87.662235] batman_adv: batadv0: The MTU of interface team_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.
[ 87.665637] ? __sys_sendmsg+0x140/0x140
[ 87.665651] do_syscall_64+0x1e8/0x640
[ 87.665658] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 87.665675] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 87.665683] RIP: 0033:0x45a639
[ 87.665688] RSP: 002b:00007ffa7a225c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 87.665698] RAX: ffffffffffffffda RBX: 00007ffa7a225c90 RCX: 000000000045a639
[ 87.665702] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000006
[ 87.665708] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
[ 87.669963] batman_adv: batadv0: Not using interface team_slave_1 (retrying later): interface not active
[ 87.673788] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa7a2266d4
[ 87.673792] R13: 00000000004c8d75 R14: 00000000004df5e0 R15: 0000000000000007
[ 87.695933] batman_adv: batadv0: Removing interface: team_slave_1
[ 87.922769] ------------[ cut here ]------------
[ 87.927783] WARNING: CPU: 1 PID: 2249 at net/batman-adv/bat_iv_ogm.c:555 batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680
[ 87.939468] Kernel panic - not syncing: panic_on_warn set ...
[ 87.939468]
[ 87.946820] CPU: 1 PID: 2249 Comm: kworker/u4:3 Not tainted 4.14.156-syzkaller #0
[ 87.954525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 87.963976] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[ 87.971062] Call Trace:
[ 87.973638] dump_stack+0x142/0x197
[ 87.977248] panic+0x1f9/0x42d
[ 87.980432] ? add_taint.cold+0x16/0x16
[ 87.984393] ? batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680
[ 87.990877] ? batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680
[ 87.997427] __warn.cold+0x2f/0x2f
[ 88.000951] ? ist_end_non_atomic+0x10/0x10
[ 88.005265] ? batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680
[ 88.011742] report_bug+0x216/0x254
[ 88.015355] do_error_trap+0x1bb/0x310
[ 88.019223] ? math_error+0x360/0x360
[ 88.023006] ? debug_object_deactivate+0x1cc/0x350
[ 88.027967] ? find_held_lock+0x35/0x130
[ 88.032023] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 88.036854] do_invalid_op+0x1b/0x20
[ 88.040548] invalid_op+0x1b/0x40
[ 88.044031] RIP: 0010:batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680
[ 88.051125] RSP: 0018:ffff8880a1eafcc8 EFLAGS: 00010297
[ 88.056474] RAX: ffff8880a1e1a000 RBX: ffff88809955f4c8 RCX: ffff8880a1e1a880
[ 88.063776] RDX: 0000000000000000 RSI: ffffffff87790c60 RDI: ffff88809eb72ce8
[ 88.071034] RBP: ffff8880a1eafd38 R08: 0000000000007afe R09: ffffffff88cc1db0
[ 88.078286] R10: ffff8880a1e1a8a8 R11: ffff8880a1e1a000 R12: ffff8880822d0380
[ 88.085543] R13: ffff88809955f480 R14: ffff8880a0dd37c0 R15: ffff88809eb72c80
[ 88.092818] ? batadv_iv_send_outstanding_bat_ogm_packet+0x5a2/0x680
[ 88.099295] process_one_work+0x863/0x1600
[ 88.103521] ? pwq_dec_nr_in_flight+0x2e0/0x2e0
[ 88.108197] worker_thread+0x5d9/0x1050
[ 88.112267] kthread+0x319/0x430
[ 88.115621] ? process_one_work+0x1600/0x1600
[ 88.120108] ? kthread_create_on_node+0xd0/0xd0
[ 88.124805] ret_from_fork+0x24/0x30
[ 88.130290] Kernel Offset: disabled
[ 88.134657] Rebooting in 86400 seconds..