[   43.548770] audit: type=1400 audit(1576250869.691:37): avc:  denied  { map } for  pid=6645 comm="syz-fuzzer" path="/root/syzkaller-shm108886596" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1
[   43.790780] IPVS: ftp: loaded support on port[0] = 21
[   44.878053] can: request_module (can-proto-0) failed.
[   44.886798] can: request_module (can-proto-0) failed.
[   45.032686] audit: type=1400 audit(1576250871.181:38): avc:  denied  { create } for  pid=6645 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1
[   45.057441] audit: type=1400 audit(1576250871.201:39): avc:  denied  { create } for  pid=6645 comm="syz-fuzzer" 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
[   45.081398] audit: type=1400 audit(1576250871.201:40): avc:  denied  { create } for  pid=6645 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1
[   45.284882] random: sshd: uninitialized urandom read (32 bytes read)
[   46.013252] random: sshd: uninitialized urandom read (32 bytes read)
[   46.231248] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.10.60' (ECDSA) to the list of known hosts.
2019/12/13 15:27:58 parsed 1 programs
2019/12/13 15:27:58 executed programs: 0
[   52.540827] IPVS: ftp: loaded support on port[0] = 21
[   53.381518] IPVS: ftp: loaded support on port[0] = 21
[   53.393932] chnl_net:caif_netlink_parms(): no params data found
[   53.444848] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.451732] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.458471] device bridge_slave_0 entered promiscuous mode
[   53.465629] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.472045] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.479049] device bridge_slave_1 entered promiscuous mode
[   53.479549] IPVS: ftp: loaded support on port[0] = 21
[   53.501961] bond0: Enslaving bond_slave_0 as an active interface with an up link
[   53.511194] bond0: Enslaving bond_slave_1 as an active interface with an up link
[   53.530506] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[   53.537611] team0: Port device team_slave_0 added
[   53.545510] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[   53.552751] team0: Port device team_slave_1 added
[   53.559400] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[   53.566771] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[   53.642149] device hsr_slave_0 entered promiscuous mode
[   53.680991] device hsr_slave_1 entered promiscuous mode
[   53.720691] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[   53.729253] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[   53.740740] chnl_net:caif_netlink_parms(): no params data found
[   53.772674] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.779179] bridge0: port 2(bridge_slave_1) entered forwarding state
[   53.786247] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.792615] bridge0: port 1(bridge_slave_0) entered forwarding state
[   53.817629] bridge0: port 1(bridge_slave_0) entered blocking state
[   53.824452] bridge0: port 1(bridge_slave_0) entered disabled state
[   53.831465] device bridge_slave_0 entered promiscuous mode
[   53.842051] bridge0: port 2(bridge_slave_1) entered blocking state
[   53.842568] IPVS: ftp: loaded support on port[0] = 21
[   53.848453] bridge0: port 2(bridge_slave_1) entered disabled state
[   53.862348] device bridge_slave_1 entered promiscuous mode
[   53.928747] bond0: Enslaving bond_slave_0 as an active interface with an up link
[   53.937531] bond0: Enslaving bond_slave_1 as an active interface with an up link
[   53.955585] chnl_net:caif_netlink_parms(): no params data found
[   53.974855] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[   53.982261] team0: Port device team_slave_0 added
[   53.990848] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[   53.997993] team0: Port device team_slave_1 added
[   54.021079] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready
[   54.027179] 8021q: adding VLAN 0 to HW filter on device bond0
[   54.034464] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[   54.043645] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[   54.059689] IPVS: ftp: loaded support on port[0] = 21
[   54.083468] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   54.097462] bridge0: port 1(bridge_slave_0) entered blocking state
[   54.104200] bridge0: port 1(bridge_slave_0) entered disabled state
[   54.111474] device bridge_slave_0 entered promiscuous mode
[   54.119612] bridge0: port 2(bridge_slave_1) entered blocking state
[   54.126194] bridge0: port 2(bridge_slave_1) entered disabled state
[   54.134082] device bridge_slave_1 entered promiscuous mode
[   54.192884] device hsr_slave_0 entered promiscuous mode
[   54.260331] device hsr_slave_1 entered promiscuous mode
[   54.300835] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[   54.315706] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[   54.336590] bond0: Enslaving bond_slave_0 as an active interface with an up link
[   54.345764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   54.354013] bridge0: port 1(bridge_slave_0) entered disabled state
[   54.371308] bridge0: port 2(bridge_slave_1) entered disabled state
[   54.379295] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   54.389470] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[   54.395764] 8021q: adding VLAN 0 to HW filter on device team0
[   54.405320] bond0: Enslaving bond_slave_1 as an active interface with an up link
[   54.422642] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   54.439192] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[   54.448018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   54.456046] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   54.463558] bridge0: port 1(bridge_slave_0) entered blocking state
[   54.469872] bridge0: port 1(bridge_slave_0) entered forwarding state
[   54.507475] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[   54.515034] team0: Port device team_slave_0 added
[   54.522112] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[   54.529095] team0: Port device team_slave_1 added
[   54.534572] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[   54.541779] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[   54.550210] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   54.621871] device hsr_slave_0 entered promiscuous mode
[   54.670349] device hsr_slave_1 entered promiscuous mode
[   54.710252] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   54.718080] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   54.725784] bridge0: port 2(bridge_slave_1) entered blocking state
[   54.732129] bridge0: port 2(bridge_slave_1) entered forwarding state
[   54.740542] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   54.747394] chnl_net:caif_netlink_parms(): no params data found
[   54.755266] IPVS: ftp: loaded support on port[0] = 21
[   54.774088] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[   54.781047] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[   54.789963] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[   54.802240] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   54.812836] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[   54.839575] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   54.849518] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[   54.858912] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[   54.866478] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   54.874817] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   54.885871] bridge0: port 1(bridge_slave_0) entered blocking state
[   54.895042] bridge0: port 1(bridge_slave_0) entered disabled state
[   54.901933] device bridge_slave_0 entered promiscuous mode
[   54.908350] bridge0: port 2(bridge_slave_1) entered blocking state
[   54.915038] bridge0: port 2(bridge_slave_1) entered disabled state
[   54.921890] device bridge_slave_1 entered promiscuous mode
[   54.939481] bond0: Enslaving bond_slave_0 as an active interface with an up link
[   54.954272] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   54.962376] bond0: Enslaving bond_slave_1 as an active interface with an up link
[   54.975348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[   54.984376] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   55.002112] 8021q: adding VLAN 0 to HW filter on device bond0
[   55.032838] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[   55.076013] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[   55.083793] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   55.097403] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   55.104465] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[   55.111642] team0: Port device team_slave_0 added
[   55.117049] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[   55.125715] team0: Port device team_slave_1 added
[   55.132973] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[   55.144528] chnl_net:caif_netlink_parms(): no params data found
[   55.159149] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[   55.171895] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[   55.223188] device hsr_slave_0 entered promiscuous mode
[   55.260464] device hsr_slave_1 entered promiscuous mode
[   55.303652] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[   55.326265] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[   55.333392] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[   55.341278] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   55.348559] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   55.355634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   55.364017] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[   55.370559] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   55.379077] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[   55.405301] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[   55.411842] 8021q: adding VLAN 0 to HW filter on device team0
[   55.421386] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   55.438956] chnl_net:caif_netlink_parms(): no params data found
[   55.456456] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   55.466337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   55.474027] bridge0: port 1(bridge_slave_0) entered blocking state
[   55.480384] bridge0: port 1(bridge_slave_0) entered forwarding state
[   55.488785] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   55.498522] 8021q: adding VLAN 0 to HW filter on device bond0
[   55.514593] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[   55.521603] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[   55.528583] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   55.536701] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   55.545063] bridge0: port 2(bridge_slave_1) entered blocking state
[   55.551553] bridge0: port 2(bridge_slave_1) entered forwarding state
[   55.565467] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   55.584087] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[   55.602744] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[   55.611526] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   55.619351] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   55.626556] bridge0: port 1(bridge_slave_0) entered blocking state
[   55.633156] bridge0: port 1(bridge_slave_0) entered disabled state
[   55.639932] device bridge_slave_0 entered promiscuous mode
[   55.646513] bridge0: port 2(bridge_slave_1) entered blocking state
[   55.652921] bridge0: port 2(bridge_slave_1) entered disabled state
[   55.660336] device bridge_slave_1 entered promiscuous mode
[   55.667913] bridge0: port 1(bridge_slave_0) entered blocking state
[   55.674389] bridge0: port 1(bridge_slave_0) entered disabled state
[   55.681547] device bridge_slave_0 entered promiscuous mode
[   55.687800] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[   55.696954] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[   55.705070] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   55.718520] bridge0: port 2(bridge_slave_1) entered blocking state
[   55.725638] bridge0: port 2(bridge_slave_1) entered disabled state
[   55.734794] device bridge_slave_1 entered promiscuous mode
[   55.740972] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   55.747800] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   55.754833] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[   55.762638] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   55.771934] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[   55.777990] 8021q: adding VLAN 0 to HW filter on device team0
[   55.798570] 8021q: adding VLAN 0 to HW filter on device bond0
[   55.806192] 8021q: adding VLAN 0 to HW filter on device batadv0
[   55.823183] bond0: Enslaving bond_slave_0 as an active interface with an up link
[   55.836223] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   55.845070] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   55.855357] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   55.865029] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   55.874800] bond0: Enslaving bond_slave_1 as an active interface with an up link
[   55.895050] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[   55.903024] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   55.911173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   55.918753] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   55.926399] bridge0: port 1(bridge_slave_0) entered blocking state
[   55.932768] bridge0: port 1(bridge_slave_0) entered forwarding state
[   55.939789] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   55.947926] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   55.955614] bridge0: port 2(bridge_slave_1) entered blocking state
[   55.961998] bridge0: port 2(bridge_slave_1) entered forwarding state
[   55.969907] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   55.981276] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[   55.992650] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[   56.006720] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[   56.017192] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   56.027872] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[   56.035643] bond0: Enslaving bond_slave_0 as an active interface with an up link
[   56.043980] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[   56.051150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[   56.058523] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   56.066036] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[   56.073847] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   56.081930] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   56.090997] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   56.097951] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[   56.106555] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[   56.115667] team0: Port device team_slave_0 added
[   56.122305] bond0: Enslaving bond_slave_1 as an active interface with an up link
[   56.132077] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[   56.139188] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   56.148692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   56.163394] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[   56.170782] team0: Port device team_slave_1 added
[   56.183788] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[   56.197554] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[   56.206709] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[   56.234318] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[   56.240776] 8021q: adding VLAN 0 to HW filter on device team0
[   56.247462] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   56.257112] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[   56.264487] team0: Port device team_slave_0 added
[   56.271120] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[   56.278162] team0: Port device team_slave_1 added
[   56.285937] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[   56.293294] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[   56.322387] device hsr_slave_0 entered promiscuous mode
[   56.360436] device hsr_slave_1 entered promiscuous mode
[   56.400709] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[   56.408811] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[   56.418095] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   56.431177] FAULT_INJECTION: forcing a failure.
[   56.431177] name failslab, interval 1, probability 0, space 0, times 1
[   56.444629] CPU: 0 PID: 6777 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0
[   56.452409] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.461742] Call Trace:
[   56.464329]  dump_stack+0xf7/0x13b
[   56.467848]  should_fail.cold.3+0x105/0x14b
[   56.472150]  should_failslab+0xba/0xf0
[   56.476028]  kmem_cache_alloc_node+0x287/0x790
[   56.480594]  __alloc_skb+0x92/0x500
[   56.484213]  ? skb_trim+0x160/0x160
[   56.487991]  ? if_nlmsg_size+0x2d9/0x6f0
[   56.492044]  rtmsg_ifinfo_build_skb+0x68/0x120
[   56.496603]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   56.501421]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   56.506325]  rtnetlink_event+0xc2/0x110
[   56.510279]  notifier_call_chain+0xd6/0x150
[   56.514580]  raw_notifier_call_chain+0x11/0x20
[   56.519141]  call_netdevice_notifiers_info+0x4b/0x60
[   56.524222]  __netdev_upper_dev_link+0x18e/0x1f0
[   56.528955]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   56.533689]  netdev_master_upper_dev_link+0x14/0x20
[   56.538682]  batadv_hardif_enable_interface+0x1af/0x990
[   56.544023]  batadv_softif_slave_add+0x82/0xe0
[   56.548581]  do_set_master+0x163/0x1f0
[   56.552799]  do_setlink+0x9dd/0x2c50
[   56.556506]  ? __lock_acquire+0x6a4/0x4500
[   56.560718]  ? trace_hardirqs_off+0x10/0x10
[   56.565017]  ? rtnl_register+0x20/0x20
[   56.568881]  ? trace_hardirqs_on+0x10/0x10
[   56.573112]  ? __lock_acquire+0x6a4/0x4500
[   56.577323]  ? trace_hardirqs_off+0x10/0x10
[   56.581626]  ? trace_hardirqs_off+0x10/0x10
[   56.586364]  rtnl_newlink+0xe0c/0x1390
[   56.590320]  ? rtnl_link_unregister+0x270/0x270
[   56.594978]  ? finish_task_switch+0x178/0x650
[   56.599447]  ? finish_task_switch+0x14d/0x650
[   56.603929]  ? find_held_lock+0x36/0x1d0
[   56.607973]  ? __mutex_lock+0x8b7/0x14c0
[   56.612119]  ? lock_downgrade+0x7f0/0x7f0
[   56.616255]  ? do_raw_spin_unlock+0x161/0x250
[   56.620747]  rtnetlink_rcv_msg+0x34f/0x9d0
[   56.624960]  ? rtnl_bridge_getlink+0x760/0x760
[   56.629533]  ? find_held_lock+0x36/0x1d0
[   56.633574]  netlink_rcv_skb+0x133/0x370
[   56.637613]  ? rtnl_bridge_getlink+0x760/0x760
[   56.643205]  ? netlink_ack+0xa00/0xa00
[   56.647254]  ? netlink_deliver_tap+0x8e/0x920
[   56.651730]  rtnetlink_rcv+0x10/0x20
[   56.655424]  netlink_unicast+0x40d/0x5f0
[   56.659467]  ? netlink_attachskb+0x6e0/0x6e0
[   56.663870]  netlink_sendmsg+0x730/0xbd0
[   56.667913]  ? netlink_unicast+0x5f0/0x5f0
[   56.672134]  ? selinux_socket_sendmsg+0x31/0x40
[   56.676798]  ? security_socket_sendmsg+0x6a/0xa0
[   56.681541]  ? netlink_unicast+0x5f0/0x5f0
[   56.685754]  sock_sendmsg+0xb5/0xf0
[   56.689531]  ___sys_sendmsg+0x625/0x920
[   56.693483]  ? trace_hardirqs_off+0x10/0x10
[   56.699950]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   56.704786]  ? find_held_lock+0x36/0x1d0
[   56.708826]  ? lock_downgrade+0x7f0/0x7f0
[   56.712952]  ? __fget+0x1ca/0x2f0
[   56.716766]  ? __fget_light+0x166/0x200
[   56.720717]  ? __fdget+0xe/0x10
[   56.723988]  ? sockfd_lookup_light+0x1c/0x150
[   56.728472]  __sys_sendmsg+0xc1/0x140
[   56.732248]  ? SyS_shutdown+0x180/0x180
[   56.736200]  ? __sb_end_write+0xa4/0xd0
[   56.740158]  ? mutex_unlock+0xd/0x10
[   56.743862]  ? do_syscall_64+0x4c/0x5b0
[   56.747820]  ? __sys_sendmsg+0x140/0x140
[   56.751880]  SyS_sendmsg+0xd/0x20
[   56.755348]  do_syscall_64+0x1c7/0x5b0
[   56.759212]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   56.764039]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   56.769207] RIP: 0033:0x459ef9
[   56.772379] RSP: 002b:00007f8a64537c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.780070] RAX: ffffffffffffffda RBX: 00007f8a64537c90 RCX: 0000000000459ef9
[   56.787325] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   56.794573] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   56.801829] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8a645386d4
[   56.809080] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   56.823060] batman_adv: batadv0: Adding interface: gretap0
[   56.828698] 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.
[   56.853773] batman_adv: batadv0: Interface activated: gretap0
[   56.868800] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[   56.882613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[   56.897269] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   56.904793] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   56.913404] 8021q: adding VLAN 0 to HW filter on device batadv0
[   56.920489] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   56.935634] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   56.947123] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[   56.955729] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   56.969175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   56.977110] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   56.984863] bridge0: port 1(bridge_slave_0) entered blocking state
[   56.991210] bridge0: port 1(bridge_slave_0) entered forwarding state
[   57.001023] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[   57.007740] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[   57.014663] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[   57.022190] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   57.072012] device hsr_slave_0 entered promiscuous mode
[   57.120340] device hsr_slave_1 entered promiscuous mode
[   57.163652] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[   57.171213] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   57.179737] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[   57.188863] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[   57.204873] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[   57.212895] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   57.221440] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   57.229120] bridge0: port 2(bridge_slave_1) entered blocking state
[   57.235644] bridge0: port 2(bridge_slave_1) entered forwarding state
[   57.242529] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[   57.250873] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   57.260388] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   57.268983] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   57.285484] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[   57.298213] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[   57.306238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
2019/12/13 15:28:03 executed programs: 10
[   57.317255] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   57.341294] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[   57.350954] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   57.359898] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   57.368257] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[   57.379786] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   57.389326] FAULT_INJECTION: forcing a failure.
[   57.389326] name failslab, interval 1, probability 0, space 0, times 0
[   57.400784] CPU: 0 PID: 6794 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0
[   57.408562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.417900] Call Trace:
[   57.420478]  dump_stack+0xf7/0x13b
[   57.424012]  should_fail.cold.3+0x105/0x14b
[   57.428361]  should_failslab+0xba/0xf0
[   57.432253]  kmem_cache_alloc_node+0x287/0x790
[   57.436830]  __alloc_skb+0x92/0x500
[   57.440452]  ? skb_trim+0x160/0x160
[   57.444114]  ? if_nlmsg_size+0x2d9/0x6f0
[   57.448171]  rtmsg_ifinfo_build_skb+0x68/0x120
[   57.452751]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   57.457587]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   57.464981]  rtnetlink_event+0xc2/0x110
[   57.468942]  notifier_call_chain+0xd6/0x150
[   57.473906]  raw_notifier_call_chain+0x11/0x20
[   57.478536]  call_netdevice_notifiers_info+0x4b/0x60
[   57.483634]  __netdev_upper_dev_link+0x18e/0x1f0
[   57.488494]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   57.493245]  netdev_master_upper_dev_link+0x14/0x20
[   57.498350]  batadv_hardif_enable_interface+0x1af/0x990
[   57.503708]  batadv_softif_slave_add+0x82/0xe0
[   57.508285]  do_set_master+0x163/0x1f0
[   57.512162]  do_setlink+0x9dd/0x2c50
[   57.515873]  ? __lock_acquire+0x6a4/0x4500
[   57.520097]  ? trace_hardirqs_off+0x10/0x10
[   57.524412]  ? rtnl_register+0x20/0x20
[   57.528285]  ? trace_hardirqs_on+0x10/0x10
[   57.532518]  ? trace_hardirqs_off+0x10/0x10
[   57.536822]  ? __lock_acquire+0x6a4/0x4500
[   57.541044]  ? trace_hardirqs_off+0x10/0x10
[   57.545348]  ? trace_hardirqs_off+0x10/0x10
[   57.549677]  ? __lock_is_held+0xb5/0x140
[   57.554162]  ? trace_hardirqs_off+0x10/0x10
[   57.558475]  rtnl_newlink+0xe0c/0x1390
[   57.562353]  ? rtnl_link_unregister+0x270/0x270
[   57.566999]  ? finish_task_switch+0x178/0x650
[   57.571476]  ? finish_task_switch+0x14d/0x650
[   57.575958]  ? find_held_lock+0x36/0x1d0
[   57.579998]  ? __mutex_lock+0x8b7/0x14c0
[   57.584043]  ? lock_downgrade+0x7f0/0x7f0
[   57.588169]  ? do_raw_spin_unlock+0x161/0x250
[   57.592674]  rtnetlink_rcv_msg+0x34f/0x9d0
[   57.596906]  ? rtnl_bridge_getlink+0x760/0x760
[   57.601480]  ? find_held_lock+0x36/0x1d0
[   57.605531]  netlink_rcv_skb+0x133/0x370
[   57.609633]  ? rtnl_bridge_getlink+0x760/0x760
[   57.614327]  ? netlink_ack+0xa00/0xa00
[   57.618201]  ? netlink_deliver_tap+0x8e/0x920
[   57.622680]  rtnetlink_rcv+0x10/0x20
[   57.626383]  netlink_unicast+0x40d/0x5f0
[   57.630448]  ? netlink_attachskb+0x6e0/0x6e0
[   57.634851]  netlink_sendmsg+0x730/0xbd0
[   57.638897]  ? netlink_unicast+0x5f0/0x5f0
[   57.643142]  ? selinux_socket_sendmsg+0x31/0x40
[   57.647803]  ? security_socket_sendmsg+0x6a/0xa0
[   57.652556]  ? netlink_unicast+0x5f0/0x5f0
[   57.656782]  sock_sendmsg+0xb5/0xf0
[   57.660392]  ___sys_sendmsg+0x625/0x920
[   57.664355]  ? trace_hardirqs_off+0x10/0x10
[   57.668668]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   57.673417]  ? find_held_lock+0x36/0x1d0
[   57.677467]  ? lock_downgrade+0x7f0/0x7f0
[   57.681597]  ? __fget+0x1ca/0x2f0
[   57.685031]  ? __fget_light+0x166/0x200
[   57.689025]  ? __fdget+0xe/0x10
[   57.692299]  ? sockfd_lookup_light+0x1c/0x150
[   57.696865]  __sys_sendmsg+0xc1/0x140
[   57.700656]  ? SyS_shutdown+0x180/0x180
[   57.704606]  ? __sb_end_write+0xa4/0xd0
[   57.708560]  ? mutex_unlock+0xd/0x10
[   57.712267]  ? do_syscall_64+0x4c/0x5b0
[   57.716233]  ? __sys_sendmsg+0x140/0x140
[   57.720269]  SyS_sendmsg+0xd/0x20
[   57.723711]  do_syscall_64+0x1c7/0x5b0
[   57.727573]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   57.732403]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   57.737586] RIP: 0033:0x459ef9
[   57.740763] RSP: 002b:00007f8a64537c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   57.748457] RAX: ffffffffffffffda RBX: 00007f8a64537c90 RCX: 0000000000459ef9
[   57.755708] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   57.762954] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   57.770204] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8a645386d4
[   57.777468] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   57.787849] batman_adv: batadv0: Adding interface: ip6gretap0
[   57.793891] 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.
[   57.819064] batman_adv: batadv0: Interface activated: ip6gretap0
[   57.834790] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   57.865596] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[   57.884207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[   57.895717] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   57.905850] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[   57.922377] 8021q: adding VLAN 0 to HW filter on device batadv0
[   57.928661] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[   57.947006] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   57.973048] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[   57.980463] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[   57.987807] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   58.006751] 8021q: adding VLAN 0 to HW filter on device bond0
[   58.016117] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   58.025933] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[   58.032236] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   58.043423] 8021q: adding VLAN 0 to HW filter on device bond0
[   58.055734] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[   58.064479] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[   58.072415] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[   58.078592] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   58.085734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   58.094986] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[   58.101443] 8021q: adding VLAN 0 to HW filter on device team0
[   58.115838] 8021q: adding VLAN 0 to HW filter on device batadv0
[   58.128508] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[   58.141013] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   58.149064] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   58.162946] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   58.172079] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[   58.178147] 8021q: adding VLAN 0 to HW filter on device team0
[   58.189470] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   58.198030] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   58.205727] bridge0: port 1(bridge_slave_0) entered blocking state
[   58.212278] bridge0: port 1(bridge_slave_0) entered forwarding state
[   58.220308] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[   58.229930] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[   58.242002] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   58.249567] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   58.260502] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   58.268077] bridge0: port 1(bridge_slave_0) entered blocking state
[   58.274464] bridge0: port 1(bridge_slave_0) entered forwarding state
[   58.281839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   58.289840] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   58.298294] bridge0: port 2(bridge_slave_1) entered blocking state
[   58.304673] bridge0: port 2(bridge_slave_1) entered forwarding state
[   58.312144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[   58.321025] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[   58.329864] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   58.342786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   58.353888] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   58.362520] bridge0: port 2(bridge_slave_1) entered blocking state
[   58.368892] bridge0: port 2(bridge_slave_1) entered forwarding state
[   58.375949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[   58.391677] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   58.399199] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[   58.409056] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[   58.418494] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[   58.426815] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[   58.434723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[   58.444390] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   58.451898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[   58.459476] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   58.469816] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   58.486232] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[   58.493628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[   58.501814] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   58.509218] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   58.518010] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   58.525973] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[   58.533607] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   58.543336] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[   58.551236] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[   58.558704] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[   58.566121] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   58.573693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[   58.581417] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   58.590724] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[   58.598334] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   58.608885] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[   58.614926] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   58.622109] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[   58.629458] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   58.640610] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[   58.649028] 8021q: adding VLAN 0 to HW filter on device batadv0
[   58.657494] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[   58.668237] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[   58.676263] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   58.687660] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[   58.694858] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[   58.702650] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   58.712187] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[   58.718179] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   58.734126] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[   58.747159] 8021q: adding VLAN 0 to HW filter on device batadv0
[   59.988582] FAULT_INJECTION: forcing a failure.
[   59.988582] name failslab, interval 1, probability 0, space 0, times 0
[   60.001065] CPU: 1 PID: 6851 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0
[   60.008885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   60.018314] Call Trace:
[   60.020904]  dump_stack+0xf7/0x13b
[   60.024460]  should_fail.cold.3+0x105/0x14b
[   60.028766]  should_failslab+0xba/0xf0
[   60.032631]  kmem_cache_alloc_node+0x287/0x790
[   60.037219]  __alloc_skb+0x92/0x500
[   60.040841]  ? skb_trim+0x160/0x160
[   60.044452]  ? if_nlmsg_size+0x2d9/0x6f0
[   60.048494]  rtmsg_ifinfo_build_skb+0x68/0x120
[   60.053413]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   60.058238]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   60.063146]  rtnetlink_event+0xc2/0x110
[   60.067106]  notifier_call_chain+0xd6/0x150
[   60.071554]  raw_notifier_call_chain+0x11/0x20
[   60.076135]  call_netdevice_notifiers_info+0x4b/0x60
[   60.081226]  __netdev_upper_dev_link+0x18e/0x1f0
[   60.085974]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   60.090710]  netdev_master_upper_dev_link+0x14/0x20
[   60.095713]  batadv_hardif_enable_interface+0x1af/0x990
[   60.101063]  batadv_softif_slave_add+0x82/0xe0
[   60.105624]  do_set_master+0x163/0x1f0
[   60.109494]  do_setlink+0x9dd/0x2c50
[   60.113333]  ? trace_hardirqs_on+0x10/0x10
[   60.117597]  ? find_held_lock+0x36/0x1d0
[   60.121637]  ? trace_hardirqs_off+0x10/0x10
[   60.125944]  ? rtnl_register+0x20/0x20
[   60.129830]  ? find_held_lock+0x36/0x1d0
[   60.133866]  ? is_bpf_text_address+0x60/0xe0
[   60.138250]  ? lock_downgrade+0x7f0/0x7f0
[   60.142388]  ? __lock_acquire+0x6a4/0x4500
[   60.146619]  ? __lock_acquire+0x6a4/0x4500
[   60.150918]  ? __kernel_text_address+0xd/0x40
[   60.155410]  ? unwind_get_return_address+0x61/0xa0
[   60.160370]  ? __save_stack_trace+0x7e/0xd0
[   60.164689]  rtnl_newlink+0xe0c/0x1390
[   60.168570]  ? save_stack_trace+0x16/0x20
[   60.172717]  ? save_stack+0x43/0xd0
[   60.176709]  ? rtnl_link_unregister+0x270/0x270
[   60.181423]  ? avc_has_perm_noaudit+0x236/0x400
[   60.186075]  ? lock_downgrade+0x7f0/0x7f0
[   60.190208]  ? rtnetlink_rcv_msg+0x2c1/0x9d0
[   60.194592]  ? lock_acquire+0x173/0x400
[   60.198597]  ? rtnetlink_rcv_msg+0x2c1/0x9d0
[   60.202993]  ? rtnetlink_rcv_msg+0x2c1/0x9d0
[   60.208259]  rtnetlink_rcv_msg+0x34f/0x9d0
[   60.212470]  ? rtnl_bridge_getlink+0x760/0x760
[   60.217028]  ? find_held_lock+0x36/0x1d0
[   60.221075]  netlink_rcv_skb+0x133/0x370
[   60.225122]  ? rtnl_bridge_getlink+0x760/0x760
[   60.229738]  ? netlink_ack+0xa00/0xa00
[   60.233608]  ? netlink_deliver_tap+0x8e/0x920
[   60.238094]  rtnetlink_rcv+0x10/0x20
[   60.241810]  netlink_unicast+0x40d/0x5f0
[   60.245953]  ? netlink_attachskb+0x6e0/0x6e0
[   60.250348]  netlink_sendmsg+0x730/0xbd0
[   60.254399]  ? netlink_unicast+0x5f0/0x5f0
[   60.258614]  ? selinux_socket_sendmsg+0x31/0x40
[   60.263267]  ? security_socket_sendmsg+0x6a/0xa0
[   60.268006]  ? netlink_unicast+0x5f0/0x5f0
[   60.272220]  sock_sendmsg+0xb5/0xf0
[   60.275831]  ___sys_sendmsg+0x625/0x920
[   60.279788]  ? trace_hardirqs_off+0x10/0x10
[   60.284107]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   60.289288]  ? find_held_lock+0x36/0x1d0
[   60.293328]  ? lock_downgrade+0x7f0/0x7f0
[   60.297464]  ? __fget+0x1ca/0x2f0
[   60.300900]  ? __fget_light+0x166/0x200
[   60.304853]  ? __fdget+0xe/0x10
[   60.308111]  ? sockfd_lookup_light+0x1c/0x150
[   60.312595]  __sys_sendmsg+0xc1/0x140
[   60.316371]  ? SyS_shutdown+0x180/0x180
[   60.320320]  ? __sb_end_write+0xa4/0xd0
[   60.324269]  ? mutex_unlock+0xd/0x10
[   60.327962]  ? do_syscall_64+0x4c/0x5b0
[   60.332088]  ? __sys_sendmsg+0x140/0x140
[   60.336130]  SyS_sendmsg+0xd/0x20
[   60.339592]  do_syscall_64+0x1c7/0x5b0
[   60.343463]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   60.348286]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   60.353460] RIP: 0033:0x459ef9
[   60.356679] RSP: 002b:00007f8a64537c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   60.364377] RAX: ffffffffffffffda RBX: 00007f8a64537c90 RCX: 0000000000459ef9
[   60.371628] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   60.378893] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   60.386143] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8a645386d4
[   60.393393] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   60.404428] batman_adv: batadv0: Adding interface: team0
[   60.409968] 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.
[   60.434494] batman_adv: batadv0: Interface activated: team0
[   60.447612] FAULT_INJECTION: forcing a failure.
[   60.447612] name failslab, interval 1, probability 0, space 0, times 0
[   60.459132] CPU: 0 PID: 6852 Comm: syz-executor.1 Not tainted 4.14.158-syzkaller #0
[   60.466922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   60.476273] Call Trace:
[   60.478859]  dump_stack+0xf7/0x13b
[   60.482399]  should_fail.cold.3+0x105/0x14b
[   60.486724]  should_failslab+0xba/0xf0
[   60.491038]  kmem_cache_alloc_node+0x287/0x790
[   60.495600]  __alloc_skb+0x92/0x500
[   60.499642]  ? skb_trim+0x160/0x160
[   60.503358]  ? if_nlmsg_size+0x2d9/0x6f0
[   60.507403]  rtmsg_ifinfo_build_skb+0x68/0x120
[   60.511974]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   60.516801]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   60.521712]  rtnetlink_event+0xc2/0x110
[   60.525673]  notifier_call_chain+0xd6/0x150
[   60.529970]  raw_notifier_call_chain+0x11/0x20
[   60.534531]  call_netdevice_notifiers_info+0x4b/0x60
[   60.539613]  __netdev_upper_dev_link+0x18e/0x1f0
[   60.544350]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   60.549094]  netdev_master_upper_dev_link+0x14/0x20
[   60.554092]  batadv_hardif_enable_interface+0x1af/0x990
[   60.559442]  batadv_softif_slave_add+0x82/0xe0
[   60.564003]  do_set_master+0x163/0x1f0
[   60.567866]  do_setlink+0x9dd/0x2c50
[   60.571648]  ? __lock_acquire+0x6a4/0x4500
[   60.575861]  ? trace_hardirqs_off+0x10/0x10
[   60.580177]  ? rtnl_register+0x20/0x20
[   60.584056]  ? trace_hardirqs_on+0x10/0x10
[   60.588274]  ? trace_hardirqs_off+0x10/0x10
[   60.592581]  ? __lock_acquire+0x6a4/0x4500
[   60.596799]  ? trace_hardirqs_off+0x10/0x10
[   60.601108]  ? trace_hardirqs_off+0x10/0x10
[   60.605413]  ? __lock_is_held+0xb5/0x140
[   60.609463]  ? trace_hardirqs_off+0x10/0x10
[   60.613768]  ? __lock_acquire+0x6a4/0x4500
[   60.617994]  rtnl_newlink+0xe0c/0x1390
[   60.621882]  ? rtnl_link_unregister+0x270/0x270
[   60.626564]  ? find_held_lock+0x36/0x1d0
[   60.630612]  ? find_held_lock+0x36/0x1d0
[   60.634670]  ? __mutex_lock+0x8b7/0x14c0
[   60.638708]  ? lock_downgrade+0x7f0/0x7f0
[   60.642837]  ? do_raw_spin_unlock+0x161/0x250
[   60.647323]  rtnetlink_rcv_msg+0x34f/0x9d0
[   60.651538]  ? rtnl_bridge_getlink+0x760/0x760
[   60.656099]  ? find_held_lock+0x36/0x1d0
[   60.660149]  netlink_rcv_skb+0x133/0x370
[   60.664200]  ? rtnl_bridge_getlink+0x760/0x760
[   60.668758]  ? netlink_ack+0xa00/0xa00
[   60.672628]  ? netlink_deliver_tap+0x8e/0x920
[   60.677121]  rtnetlink_rcv+0x10/0x20
[   60.680819]  netlink_unicast+0x40d/0x5f0
[   60.684878]  ? netlink_attachskb+0x6e0/0x6e0
[   60.689287]  netlink_sendmsg+0x730/0xbd0
[   60.693336]  ? netlink_unicast+0x5f0/0x5f0
[   60.697550]  ? selinux_socket_sendmsg+0x31/0x40
[   60.702727]  ? security_socket_sendmsg+0x6a/0xa0
[   60.707594]  ? netlink_unicast+0x5f0/0x5f0
[   60.711818]  sock_sendmsg+0xb5/0xf0
[   60.715427]  ___sys_sendmsg+0x625/0x920
[   60.719388]  ? trace_hardirqs_off+0x10/0x10
[   60.723696]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   60.728442]  ? find_held_lock+0x36/0x1d0
[   60.732492]  ? lock_downgrade+0x7f0/0x7f0
[   60.736628]  ? __fget+0x1ca/0x2f0
[   60.740065]  ? __fget_light+0x166/0x200
[   60.744022]  ? __fdget+0xe/0x10
[   60.747278]  ? sockfd_lookup_light+0x1c/0x150
[   60.751752]  __sys_sendmsg+0xc1/0x140
[   60.755528]  ? SyS_shutdown+0x180/0x180
[   60.759492]  ? __sb_end_write+0xa4/0xd0
[   60.763455]  ? mutex_unlock+0xd/0x10
[   60.767159]  ? do_syscall_64+0x4c/0x5b0
[   60.771114]  ? __sys_sendmsg+0x140/0x140
[   60.775152]  SyS_sendmsg+0xd/0x20
[   60.778657]  do_syscall_64+0x1c7/0x5b0
[   60.782531]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   60.787412]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   60.792583] RIP: 0033:0x459ef9
[   60.795748] RSP: 002b:00007f899e9ddc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   60.803528] RAX: ffffffffffffffda RBX: 00007f899e9ddc90 RCX: 0000000000459ef9
[   60.810774] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   60.818018] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   60.825272] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f899e9de6d4
[   60.832539] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   60.851304] batman_adv: batadv0: Adding interface: gretap0
[   60.857073] 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.
[   60.883379] batman_adv: batadv0: Interface activated: gretap0
[   60.891305] FAULT_INJECTION: forcing a failure.
[   60.891305] name failslab, interval 1, probability 0, space 0, times 0
[   60.908014] CPU: 0 PID: 6855 Comm: syz-executor.2 Not tainted 4.14.158-syzkaller #0
[   60.915816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   60.925168] Call Trace:
[   60.927739]  dump_stack+0xf7/0x13b
[   60.931269]  should_fail.cold.3+0x105/0x14b
[   60.935584]  should_failslab+0xba/0xf0
[   60.939601]  kmem_cache_alloc_node+0x287/0x790
[   60.944254]  __alloc_skb+0x92/0x500
[   60.947860]  ? skb_trim+0x160/0x160
[   60.951601]  ? if_nlmsg_size+0x2d9/0x6f0
[   60.956533]  rtmsg_ifinfo_build_skb+0x68/0x120
[   60.961106]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   60.965946]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   60.970872]  rtnetlink_event+0xc2/0x110
[   60.974835]  notifier_call_chain+0xd6/0x150
[   60.979143]  raw_notifier_call_chain+0x11/0x20
[   60.984407]  call_netdevice_notifiers_info+0x4b/0x60
[   60.989557]  __netdev_upper_dev_link+0x18e/0x1f0
[   60.994295]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   60.999379]  netdev_master_upper_dev_link+0x14/0x20
[   61.004479]  batadv_hardif_enable_interface+0x1af/0x990
[   61.009924]  batadv_softif_slave_add+0x82/0xe0
[   61.014501]  do_set_master+0x163/0x1f0
[   61.018458]  do_setlink+0x9dd/0x2c50
[   61.022166]  ? find_held_lock+0x36/0x1d0
[   61.026228]  ? rtnl_register+0x20/0x20
[   61.030558]  ? load_balance+0xb38/0x2190
[   61.034608]  ? lock_downgrade+0x7f0/0x7f0
[   61.038827]  ? lock_pin_lock+0x340/0x340
[   61.042891]  ? __lock_acquire+0x6a4/0x4500
[   61.047164]  ? trace_hardirqs_off+0x10/0x10
[   61.051469]  ? __lock_is_held+0xb5/0x140
[   61.056120]  ? trace_hardirqs_off+0x10/0x10
[   61.060444]  rtnl_newlink+0xe0c/0x1390
[   61.064323]  ? rtnl_link_unregister+0x270/0x270
[   61.068973]  ? finish_task_switch+0x178/0x650
[   61.073452]  ? finish_task_switch+0x14d/0x650
[   61.077927]  ? find_held_lock+0x36/0x1d0
[   61.081979]  ? __mutex_lock+0x8b7/0x14c0
[   61.086033]  ? lock_downgrade+0x7f0/0x7f0
[   61.090294]  ? do_raw_spin_unlock+0x161/0x250
[   61.094879]  rtnetlink_rcv_msg+0x34f/0x9d0
[   61.099102]  ? rtnl_bridge_getlink+0x760/0x760
[   61.103673]  ? find_held_lock+0x36/0x1d0
[   61.107722]  netlink_rcv_skb+0x133/0x370
[   61.111958]  ? rtnl_bridge_getlink+0x760/0x760
[   61.116535]  ? netlink_ack+0xa00/0xa00
[   61.120412]  ? netlink_deliver_tap+0x8e/0x920
[   61.124897]  rtnetlink_rcv+0x10/0x20
[   61.128610]  netlink_unicast+0x40d/0x5f0
[   61.132676]  ? netlink_attachskb+0x6e0/0x6e0
[   61.137062]  netlink_sendmsg+0x730/0xbd0
[   61.141372]  ? netlink_unicast+0x5f0/0x5f0
[   61.145601]  ? selinux_socket_sendmsg+0x31/0x40
[   61.150255]  ? security_socket_sendmsg+0x6a/0xa0
[   61.155014]  ? netlink_unicast+0x5f0/0x5f0
[   61.159225]  sock_sendmsg+0xb5/0xf0
[   61.162847]  ___sys_sendmsg+0x625/0x920
[   61.166800]  ? trace_hardirqs_off+0x10/0x10
[   61.171106]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   61.176292]  ? find_held_lock+0x36/0x1d0
[   61.180343]  ? lock_downgrade+0x7f0/0x7f0
[   61.184487]  ? __fget+0x1ca/0x2f0
[   61.188039]  ? __fget_light+0x166/0x200
[   61.192000]  ? __fdget+0xe/0x10
[   61.195356]  ? sockfd_lookup_light+0x1c/0x150
[   61.199849]  __sys_sendmsg+0xc1/0x140
[   61.203632]  ? SyS_shutdown+0x180/0x180
[   61.207944]  ? __sb_end_write+0xa4/0xd0
[   61.211918]  ? mutex_unlock+0xd/0x10
[   61.215616]  ? do_syscall_64+0x4c/0x5b0
[   61.219568]  ? __sys_sendmsg+0x140/0x140
[   61.223612]  SyS_sendmsg+0xd/0x20
[   61.227059]  do_syscall_64+0x1c7/0x5b0
[   61.230937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   61.235770]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   61.240942] RIP: 0033:0x459ef9
[   61.244128] RSP: 002b:00007f9d04662c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   61.251813] RAX: ffffffffffffffda RBX: 00007f9d04662c90 RCX: 0000000000459ef9
[   61.259585] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   61.266833] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   61.274080] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9d046636d4
[   61.281331] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   61.292804] batman_adv: batadv0: Adding interface: gretap0
[   61.298538] 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.
[   61.323402] batman_adv: batadv0: Interface activated: gretap0
[   61.331458] FAULT_INJECTION: forcing a failure.
[   61.331458] name failslab, interval 1, probability 0, space 0, times 0
[   61.343311] CPU: 0 PID: 6854 Comm: syz-executor.0 Not tainted 4.14.158-syzkaller #0
[   61.351109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   61.351113] Call Trace:
[   61.351127]  dump_stack+0xf7/0x13b
[   61.351140]  should_fail.cold.3+0x105/0x14b
[   61.351153]  should_failslab+0xba/0xf0
[   61.351162]  kmem_cache_alloc_node+0x287/0x790
[   61.351178]  __alloc_skb+0x92/0x500
[   61.351182]  ? skb_trim+0x160/0x160
[   61.351192]  ? if_nlmsg_size+0x2d9/0x6f0
[   61.351199]  rtmsg_ifinfo_build_skb+0x68/0x120
[   61.351207]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   61.351212]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   61.351217]  rtnetlink_event+0xc2/0x110
[   61.351223]  notifier_call_chain+0xd6/0x150
[   61.351231]  raw_notifier_call_chain+0x11/0x20
[   61.351239]  call_netdevice_notifiers_info+0x4b/0x60
[   61.351244]  __netdev_upper_dev_link+0x18e/0x1f0
[   61.351249]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   61.351259]  netdev_master_upper_dev_link+0x14/0x20
[   61.351265]  batadv_hardif_enable_interface+0x1af/0x990
[   61.351276]  batadv_softif_slave_add+0x82/0xe0
[   61.351282]  do_set_master+0x163/0x1f0
[   61.351287]  do_setlink+0x9dd/0x2c50
[   61.351295]  ? find_held_lock+0x36/0x1d0
[   61.351302]  ? rtnl_register+0x20/0x20
[   61.351307]  ? load_balance+0xb38/0x2190
[   61.351312]  ? lock_downgrade+0x7f0/0x7f0
[   61.351317]  ? lock_pin_lock+0x340/0x340
[   61.351327]  ? __lock_acquire+0x6a4/0x4500
[   61.351332]  ? trace_hardirqs_off+0x10/0x10
[   61.351337]  ? __lock_is_held+0xb5/0x140
[   61.351346]  ? trace_hardirqs_off+0x10/0x10
[   61.351362]  rtnl_newlink+0xe0c/0x1390
[   61.351376]  ? rtnl_link_unregister+0x270/0x270
[   61.351381]  ? finish_task_switch+0x178/0x650
[   61.351384]  ? finish_task_switch+0x14d/0x650
[   61.351392]  ? find_held_lock+0x36/0x1d0
[   61.351403]  ? __mutex_lock+0x8b7/0x14c0
[   61.351408]  ? lock_downgrade+0x7f0/0x7f0
[   61.351419]  ? do_raw_spin_unlock+0x161/0x250
[   61.351446]  rtnetlink_rcv_msg+0x34f/0x9d0
[   61.351453]  ? rtnl_bridge_getlink+0x760/0x760
[   61.351458]  ? find_held_lock+0x36/0x1d0
[   61.351470]  netlink_rcv_skb+0x133/0x370
[   61.351476]  ? rtnl_bridge_getlink+0x760/0x760
[   61.351481]  ? netlink_ack+0xa00/0xa00
[   61.351489]  ? netlink_deliver_tap+0x8e/0x920
[   61.351498]  rtnetlink_rcv+0x10/0x20
[   61.351502]  netlink_unicast+0x40d/0x5f0
[   61.351510]  ? netlink_attachskb+0x6e0/0x6e0
[   61.351519]  netlink_sendmsg+0x730/0xbd0
[   61.351526]  ? netlink_unicast+0x5f0/0x5f0
[   61.351534]  ? selinux_socket_sendmsg+0x31/0x40
[   61.351541]  ? security_socket_sendmsg+0x6a/0xa0
[   61.351546]  ? netlink_unicast+0x5f0/0x5f0
[   61.351550]  sock_sendmsg+0xb5/0xf0
[   61.351556]  ___sys_sendmsg+0x625/0x920
[   61.351561]  ? trace_hardirqs_off+0x10/0x10
[   61.351566]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   61.351573]  ? find_held_lock+0x36/0x1d0
[   61.351584]  ? lock_downgrade+0x7f0/0x7f0
[   61.351596]  ? __fget+0x1ca/0x2f0
[   61.351604]  ? __fget_light+0x166/0x200
[   61.351611]  ? __fdget+0xe/0x10
[   61.351618]  ? sockfd_lookup_light+0x1c/0x150
[   61.351627]  __sys_sendmsg+0xc1/0x140
[   61.351630]  ? SyS_shutdown+0x180/0x180
[   61.351637]  ? __sb_end_write+0xa4/0xd0
[   61.351643]  ? mutex_unlock+0xd/0x10
[   61.351654]  ? do_syscall_64+0x4c/0x5b0
[   61.351659]  ? __sys_sendmsg+0x140/0x140
[   61.351663]  SyS_sendmsg+0xd/0x20
[   61.351666]  do_syscall_64+0x1c7/0x5b0
[   61.351670]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   61.351677]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   61.351682] RIP: 0033:0x459ef9
[   61.351684] RSP: 002b:00007f7ed33cac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   61.351690] RAX: ffffffffffffffda RBX: 00007f7ed33cac90 RCX: 0000000000459ef9
[   61.351692] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   61.351694] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   61.351696] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ed33cb6d4
[   61.351698] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   61.352574] batman_adv: batadv0: Adding interface: gretap0
[   61.367367] 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.
[   61.752281] batman_adv: batadv0: Interface activated: gretap0
[   61.759951] FAULT_INJECTION: forcing a failure.
[   61.759951] name failslab, interval 1, probability 0, space 0, times 0
[   61.776573] CPU: 0 PID: 6853 Comm: syz-executor.3 Not tainted 4.14.158-syzkaller #0
[   61.784392] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   61.793946] Call Trace:
[   61.796527]  dump_stack+0xf7/0x13b
[   61.800057]  should_fail.cold.3+0x105/0x14b
[   61.804378]  should_failslab+0xba/0xf0
[   61.808264]  kmem_cache_alloc+0x2cf/0x790
[   61.812421]  ? memcpy+0x45/0x50
[   61.815699]  ? kstrdup+0x42/0x60
[   61.819065]  __kernfs_new_node+0x63/0x3e0
[   61.823342]  ? lock_downgrade+0x7f0/0x7f0
[   61.827480]  kernfs_new_node+0x5e/0xe0
[   61.831353]  kernfs_create_link+0x25/0x130
[   61.835647]  sysfs_do_create_link_sd.isra.2+0x7d/0xf0
[   61.840827]  sysfs_create_link+0x43/0xb0
[   61.844878]  netdev_adjacent_sysfs_add+0x94/0xb0
[   61.853263]  ? napi_disable+0x80/0x80
[   61.857047]  __netdev_adjacent_dev_insert+0x46d/0x7b0
[   61.862398]  __netdev_upper_dev_link+0x174/0x1f0
[   61.867142]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   61.871879]  netdev_master_upper_dev_link+0x14/0x20
[   61.876879]  batadv_hardif_enable_interface+0x1af/0x990
[   61.882234]  batadv_softif_slave_add+0x82/0xe0
[   61.886807]  do_set_master+0x163/0x1f0
[   61.890674]  do_setlink+0x9dd/0x2c50
[   61.894368]  ? find_held_lock+0x36/0x1d0
[   61.898408]  ? rtnl_register+0x20/0x20
[   61.902285]  ? load_balance+0xb38/0x2190
[   61.906335]  ? lock_downgrade+0x7f0/0x7f0
[   61.910475]  ? lock_pin_lock+0x340/0x340
[   61.914541]  ? __lock_acquire+0x6a4/0x4500
[   61.918884]  ? trace_hardirqs_off+0x10/0x10
[   61.923198]  ? __lock_is_held+0xb5/0x140
[   61.927359]  ? trace_hardirqs_off+0x10/0x10
[   61.931701]  rtnl_newlink+0xe0c/0x1390
[   61.935641]  ? rtnl_link_unregister+0x270/0x270
[   61.940296]  ? finish_task_switch+0x178/0x650
[   61.944774]  ? finish_task_switch+0x14d/0x650
[   61.949256]  ? find_held_lock+0x36/0x1d0
[   61.953321]  ? __mutex_lock+0x8b7/0x14c0
[   61.957380]  ? lock_downgrade+0x7f0/0x7f0
[   61.961533]  ? do_raw_spin_unlock+0x161/0x250
[   61.966035]  rtnetlink_rcv_msg+0x34f/0x9d0
[   61.970261]  ? rtnl_bridge_getlink+0x760/0x760
[   61.974825]  ? find_held_lock+0x36/0x1d0
[   61.978882]  netlink_rcv_skb+0x133/0x370
[   61.982931]  ? rtnl_bridge_getlink+0x760/0x760
[   61.987499]  ? netlink_ack+0xa00/0xa00
[   61.991462]  ? netlink_deliver_tap+0x8e/0x920
[   61.995944]  rtnetlink_rcv+0x10/0x20
[   61.999646]  netlink_unicast+0x40d/0x5f0
[   62.003705]  ? netlink_attachskb+0x6e0/0x6e0
[   62.008108]  netlink_sendmsg+0x730/0xbd0
[   62.012210]  ? netlink_unicast+0x5f0/0x5f0
[   62.016431]  ? selinux_socket_sendmsg+0x31/0x40
[   62.021101]  ? security_socket_sendmsg+0x6a/0xa0
[   62.025860]  ? netlink_unicast+0x5f0/0x5f0
[   62.030096]  sock_sendmsg+0xb5/0xf0
[   62.033716]  ___sys_sendmsg+0x625/0x920
[   62.037806]  ? trace_hardirqs_off+0x10/0x10
[   62.042125]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   62.046870]  ? find_held_lock+0x36/0x1d0
[   62.050919]  ? lock_downgrade+0x7f0/0x7f0
[   62.055050]  ? __fget+0x1ca/0x2f0
[   62.058482]  ? __fget_light+0x166/0x200
[   62.062444]  ? __fdget+0xe/0x10
[   62.065711]  ? sockfd_lookup_light+0x1c/0x150
[   62.070191]  __sys_sendmsg+0xc1/0x140
[   62.073976]  ? SyS_shutdown+0x180/0x180
[   62.077941]  ? __sb_end_write+0xa4/0xd0
[   62.081922]  ? mutex_unlock+0xd/0x10
[   62.085641]  ? do_syscall_64+0x4c/0x5b0
[   62.089616]  ? __sys_sendmsg+0x140/0x140
[   62.093664]  SyS_sendmsg+0xd/0x20
[   62.097101]  do_syscall_64+0x1c7/0x5b0
[   62.100979]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   62.105820]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   62.111174] RIP: 0033:0x459ef9
[   62.114342] RSP: 002b:00007f449f84cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.122036] RAX: ffffffffffffffda RBX: 00007f449f84cc90 RCX: 0000000000459ef9
[   62.129307] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   62.136588] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   62.143834] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f449f84d6d4
[   62.151087] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   62.160994] FAULT_INJECTION: forcing a failure.
[   62.160994] name failslab, interval 1, probability 0, space 0, times 0
[   62.173678] CPU: 0 PID: 6849 Comm: syz-executor.4 Not tainted 4.14.158-syzkaller #0
[   62.181472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   62.181476] Call Trace:
[   62.181492]  dump_stack+0xf7/0x13b
[   62.181503]  should_fail.cold.3+0x105/0x14b
[   62.181515]  should_failslab+0xba/0xf0
[   62.181524]  kmem_cache_alloc_node+0x287/0x790
[   62.181540]  __alloc_skb+0x92/0x500
[   62.181546]  ? skb_trim+0x160/0x160
[   62.181555]  ? if_nlmsg_size+0x2d9/0x6f0
[   62.181563]  rtmsg_ifinfo_build_skb+0x68/0x120
[   62.181570]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   62.181574]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   62.181579]  rtnetlink_event+0xc2/0x110
[   62.181586]  notifier_call_chain+0xd6/0x150
[   62.181593]  raw_notifier_call_chain+0x11/0x20
[   62.181601]  call_netdevice_notifiers_info+0x4b/0x60
[   62.181606]  __netdev_upper_dev_link+0x18e/0x1f0
[   62.181612]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   62.181623]  netdev_master_upper_dev_link+0x14/0x20
[   62.181629]  batadv_hardif_enable_interface+0x1af/0x990
[   62.181641]  batadv_softif_slave_add+0x82/0xe0
[   62.181648]  do_set_master+0x163/0x1f0
[   62.181654]  do_setlink+0x9dd/0x2c50
[   62.181665]  ? rtnl_register+0x20/0x20
[   62.181683]  ? __lock_acquire+0x6a4/0x4500
[   62.181696]  ? trace_hardirqs_off+0x10/0x10
[   62.181710]  rtnl_newlink+0xe0c/0x1390
[   62.181724]  ? rtnl_link_unregister+0x270/0x270
[   62.181737]  ? finish_task_switch+0x178/0x650
[   62.181741]  ? finish_task_switch+0x14d/0x650
[   62.181748]  ? find_held_lock+0x36/0x1d0
[   62.181761]  ? __mutex_lock+0x8b7/0x14c0
[   62.181765]  ? lock_downgrade+0x7f0/0x7f0
[   62.181775]  ? do_raw_spin_unlock+0x161/0x250
[   62.181803]  rtnetlink_rcv_msg+0x34f/0x9d0
[   62.181810]  ? rtnl_bridge_getlink+0x760/0x760
[   62.181816]  ? find_held_lock+0x36/0x1d0
[   62.181831]  netlink_rcv_skb+0x133/0x370
[   62.197303]  ? rtnl_bridge_getlink+0x760/0x760
[   62.197314]  ? netlink_ack+0xa00/0xa00
[   62.197321]  ? netlink_deliver_tap+0x8e/0x920
[   62.362004]  rtnetlink_rcv+0x10/0x20
[   62.365715]  netlink_unicast+0x40d/0x5f0
[   62.369766]  ? netlink_attachskb+0x6e0/0x6e0
[   62.374170]  netlink_sendmsg+0x730/0xbd0
[   62.378301]  ? netlink_unicast+0x5f0/0x5f0
[   62.382516]  ? selinux_socket_sendmsg+0x31/0x40
[   62.387161]  ? security_socket_sendmsg+0x6a/0xa0
[   62.391907]  ? netlink_unicast+0x5f0/0x5f0
[   62.396129]  sock_sendmsg+0xb5/0xf0
[   62.399752]  ___sys_sendmsg+0x625/0x920
[   62.403715]  ? trace_hardirqs_off+0x10/0x10
[   62.408015]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   62.412757]  ? find_held_lock+0x36/0x1d0
[   62.417180]  ? lock_downgrade+0x7f0/0x7f0
[   62.421394]  ? __fget+0x1ca/0x2f0
[   62.424825]  ? __fget_light+0x166/0x200
[   62.428775]  ? __fdget+0xe/0x10
[   62.432043]  ? sockfd_lookup_light+0x1c/0x150
[   62.436611]  __sys_sendmsg+0xc1/0x140
[   62.440386]  ? SyS_shutdown+0x180/0x180
[   62.444340]  ? __sb_end_write+0xa4/0xd0
[   62.448294]  ? mutex_unlock+0xd/0x10
[   62.452013]  ? do_syscall_64+0x4c/0x5b0
[   62.455986]  ? __sys_sendmsg+0x140/0x140
[   62.460025]  SyS_sendmsg+0xd/0x20
[   62.463475]  do_syscall_64+0x1c7/0x5b0
[   62.467338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   62.472167]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   62.477342] RIP: 0033:0x459ef9
[   62.480523] RSP: 002b:00007fc87feaec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.488207] RAX: ffffffffffffffda RBX: 00007fc87feaec90 RCX: 0000000000459ef9
[   62.495560] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   62.502812] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   62.510066] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc87feaf6d4
[   62.517325] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   62.527192] batman_adv: batadv0: Adding interface: gretap0
[   62.532868] 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.
2019/12/13 15:28:08 executed programs: 23
[   62.557876] batman_adv: batadv0: Interface activated: gretap0
[   62.569443] FAULT_INJECTION: forcing a failure.
[   62.569443] name fail_page_alloc, interval 1, probability 0, space 0, times 1
[   62.609681] CPU: 0 PID: 6864 Comm: syz-executor.2 Not tainted 4.14.158-syzkaller #0
[   62.617524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   62.626965] Call Trace:
[   62.629554]  dump_stack+0xf7/0x13b
[   62.633094]  should_fail.cold.3+0x105/0x14b
[   62.637412]  __alloc_pages_nodemask+0x1d5/0x770
[   62.642078]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[   62.647178]  ? __alloc_pages_slowpath+0x2650/0x2650
[   62.652204]  alloc_pages_current+0xd6/0x1b0
[   62.656521]  __get_free_pages+0xf/0x40
[   62.660404]  tlb_remove_table+0xfc/0x1d0
[   62.664457]  ___pte_free_tlb+0x97/0xc0
[   62.669386]  free_pgd_range+0x894/0xae0
[   62.673357]  ? unlink_anon_vmas+0x3fd/0x7a0
[   62.677678]  free_pgtables+0x237/0x310
[   62.681907]  ? unmap_vmas+0xe2/0x190
[   62.685628]  exit_mmap+0x258/0x450
[   62.689160]  ? SyS_munmap+0x30/0x30
[   62.692855]  ? __khugepaged_exit+0x2b1/0x3f0
[   62.697255]  ? __khugepaged_exit+0x2b2/0x3f0
[   62.701749]  mmput+0xed/0x3c0
[   62.705789]  do_exit+0x85e/0x2e20
[   62.710104]  ? lock_downgrade+0x7f0/0x7f0
[   62.714238]  ? trace_hardirqs_off+0x10/0x10
[   62.718537]  ? find_held_lock+0x36/0x1d0
[   62.722576]  ? mm_update_next_owner+0x630/0x630
[   62.727237]  ? find_held_lock+0x36/0x1d0
[   62.731279]  ? get_signal+0x2ad/0x1b30
[   62.735223]  ? lock_downgrade+0x7f0/0x7f0
[   62.739888]  do_group_exit+0xf4/0x2f0
[   62.743679]  get_signal+0x2fe/0x1b30
[   62.747372]  ? lock_downgrade+0x7f0/0x7f0
[   62.751508]  do_signal+0x7f/0x19a0
[   62.755032]  ? kick_process+0xe9/0x170
[   62.758899]  ? task_work_add+0xa2/0xe0
[   62.762764]  ? setup_sigcontext+0x7d0/0x7d0
[   62.767064]  ? fput+0x96/0x110
[   62.770235]  ? __sys_sendmsg+0x12b/0x140
[   62.774274]  ? SyS_shutdown+0x180/0x180
[   62.778228]  ? __sb_end_write+0xa4/0xd0
[   62.782193]  ? mutex_unlock+0xd/0x10
[   62.785889]  ? exit_to_usermode_loop+0x3a/0x1b0
[   62.790809]  exit_to_usermode_loop+0x114/0x1b0
[   62.795372]  do_syscall_64+0x416/0x5b0
[   62.799249]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   62.804086]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   62.809254] RIP: 0033:0x459ef9
[   62.812440] RSP: 002b:00007f9d04662c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.820123] RAX: 0000000000000028 RBX: 00007f9d04662c90 RCX: 0000000000459ef9
[   62.827457] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   62.835151] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   62.842400] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9d046636d4
[   62.849659] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   62.922357] FAULT_INJECTION: forcing a failure.
[   62.922357] name failslab, interval 1, probability 0, space 0, times 0
[   62.955509] CPU: 1 PID: 6902 Comm: syz-executor.0 Not tainted 4.14.158-syzkaller #0
[   62.963516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   62.972869] Call Trace:
[   62.975448]  dump_stack+0xf7/0x13b
[   62.975459]  should_fail.cold.3+0x105/0x14b
[   62.975470]  should_failslab+0xba/0xf0
[   62.975478]  kmem_cache_alloc+0x2cf/0x790
[   62.983362]  ? memcpy+0x45/0x50
[   62.983370]  ? kstrdup+0x42/0x60
[   62.983382]  __kernfs_new_node+0x63/0x3e0
[   62.983389]  ? lock_downgrade+0x7f0/0x7f0
[   62.983396]  kernfs_new_node+0x5e/0xe0
[   62.983404]  kernfs_create_link+0x25/0x130
[   62.983410]  sysfs_do_create_link_sd.isra.2+0x7d/0xf0
[   62.983416]  sysfs_create_link+0x43/0xb0
[   63.023959]  netdev_adjacent_sysfs_add+0x94/0xb0
[   63.028874]  ? napi_disable+0x80/0x80
[   63.032659]  __netdev_adjacent_dev_insert+0x46d/0x7b0
[   63.037943]  __netdev_upper_dev_link+0x174/0x1f0
[   63.042676]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   63.047427]  netdev_master_upper_dev_link+0x14/0x20
[   63.052596]  batadv_hardif_enable_interface+0x1af/0x990
[   63.057946]  batadv_softif_slave_add+0x82/0xe0
[   63.062506]  do_set_master+0x163/0x1f0
[   63.066380]  do_setlink+0x9dd/0x2c50
[   63.070074]  ? trace_hardirqs_on+0x10/0x10
[   63.074369]  ? find_held_lock+0x36/0x1d0
[   63.078414]  ? trace_hardirqs_off+0x10/0x10
[   63.082739]  ? rtnl_register+0x20/0x20
[   63.086608]  ? find_held_lock+0x36/0x1d0
[   63.090656]  ? is_bpf_text_address+0x60/0xe0
[   63.095052]  ? lock_downgrade+0x7f0/0x7f0
[   63.099192]  ? __lock_acquire+0x6a4/0x4500
[   63.103401]  ? __lock_acquire+0x6a4/0x4500
[   63.107630]  ? __kernel_text_address+0xd/0x40
[   63.112120]  ? unwind_get_return_address+0x61/0xa0
[   63.117027]  ? __save_stack_trace+0x7e/0xd0
[   63.121334]  rtnl_newlink+0xe0c/0x1390
[   63.125217]  ? save_stack_trace+0x16/0x20
[   63.129340]  ? save_stack+0x43/0xd0
[   63.132966]  ? rtnl_link_unregister+0x270/0x270
[   63.137631]  ? avc_has_perm_noaudit+0x236/0x400
[   63.142289]  ? lock_downgrade+0x7f0/0x7f0
[   63.146439]  ? rtnetlink_rcv_msg+0x2c1/0x9d0
[   63.150878]  ? lock_acquire+0x173/0x400
[   63.154842]  ? rtnetlink_rcv_msg+0x2c1/0x9d0
[   63.159231]  ? rtnetlink_rcv_msg+0x2c1/0x9d0
[   63.163633]  rtnetlink_rcv_msg+0x34f/0x9d0
[   63.167849]  ? rtnl_bridge_getlink+0x760/0x760
[   63.172414]  ? find_held_lock+0x36/0x1d0
[   63.176824]  netlink_rcv_skb+0x133/0x370
[   63.180882]  ? rtnl_bridge_getlink+0x760/0x760
[   63.185444]  ? netlink_ack+0xa00/0xa00
[   63.189317]  ? netlink_deliver_tap+0x8e/0x920
[   63.193810]  rtnetlink_rcv+0x10/0x20
[   63.197512]  netlink_unicast+0x40d/0x5f0
[   63.201562]  ? netlink_attachskb+0x6e0/0x6e0
[   63.205967]  netlink_sendmsg+0x730/0xbd0
[   63.210018]  ? netlink_unicast+0x5f0/0x5f0
[   63.214339]  ? selinux_socket_sendmsg+0x31/0x40
[   63.218985]  ? security_socket_sendmsg+0x6a/0xa0
[   63.223726]  ? netlink_unicast+0x5f0/0x5f0
[   63.227944]  sock_sendmsg+0xb5/0xf0
[   63.231555]  ___sys_sendmsg+0x625/0x920
[   63.235512]  ? trace_hardirqs_off+0x10/0x10
[   63.239818]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   63.244644]  ? find_held_lock+0x36/0x1d0
[   63.248699]  ? lock_downgrade+0x7f0/0x7f0
[   63.252829]  ? __fget+0x1ca/0x2f0
[   63.256263]  ? __fget_light+0x166/0x200
[   63.260231]  ? __fdget+0xe/0x10
[   63.263523]  ? sockfd_lookup_light+0x1c/0x150
[   63.268011]  __sys_sendmsg+0xc1/0x140
[   63.271810]  ? SyS_shutdown+0x180/0x180
[   63.275768]  ? __sb_end_write+0xa4/0xd0
[   63.279729]  ? mutex_unlock+0xd/0x10
[   63.284131]  ? do_syscall_64+0x4c/0x5b0
[   63.288112]  ? __sys_sendmsg+0x140/0x140
[   63.292168]  SyS_sendmsg+0xd/0x20
[   63.295624]  do_syscall_64+0x1c7/0x5b0
[   63.299496]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   63.304341]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   63.309517] RIP: 0033:0x459ef9
[   63.312692] RSP: 002b:00007f7ed33cac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   63.320409] RAX: ffffffffffffffda RBX: 00007f7ed33cac90 RCX: 0000000000459ef9
[   63.327671] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   63.334936] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   63.342189] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ed33cb6d4
[   63.349442] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   63.361953] FAULT_INJECTION: forcing a failure.
[   63.361953] name failslab, interval 1, probability 0, space 0, times 0
[   63.422010] CPU: 0 PID: 6910 Comm: syz-executor.3 Not tainted 4.14.158-syzkaller #0
[   63.429850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   63.439320] Call Trace:
[   63.441901]  dump_stack+0xf7/0x13b
[   63.445429]  should_fail.cold.3+0x105/0x14b
[   63.449858]  should_failslab+0xba/0xf0
[   63.453733]  kmem_cache_alloc_trace+0x2ea/0x7a0
[   63.458402]  ? sysfs_do_create_link_sd.isra.2+0x88/0xf0
[   63.463749]  __netdev_adjacent_dev_insert+0xf6/0x7b0
[   63.468843]  __netdev_upper_dev_link+0x174/0x1f0
[   63.473576]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   63.478315]  netdev_master_upper_dev_link+0x14/0x20
[   63.483320]  batadv_hardif_enable_interface+0x1af/0x990
[   63.488666]  batadv_softif_slave_add+0x82/0xe0
[   63.493227]  do_set_master+0x163/0x1f0
[   63.497098]  do_setlink+0x9dd/0x2c50
[   63.500815]  ? __lock_acquire+0x6a4/0x4500
[   63.505038]  ? trace_hardirqs_off+0x10/0x10
[   63.509344]  ? rtnl_register+0x20/0x20
[   63.513309]  ? trace_hardirqs_on+0x10/0x10
[   63.517522]  ? trace_hardirqs_off+0x10/0x10
[   63.521826]  ? __lock_acquire+0x6a4/0x4500
[   63.526040]  ? trace_hardirqs_off+0x10/0x10
[   63.530350]  ? trace_hardirqs_off+0x10/0x10
[   63.534661]  ? __lock_is_held+0xb5/0x140
[   63.538721]  ? trace_hardirqs_off+0x10/0x10
[   63.543049]  rtnl_newlink+0xe0c/0x1390
[   63.546933]  ? rtnl_link_unregister+0x270/0x270
[   63.551624]  ? finish_task_switch+0x178/0x650
[   63.556112]  ? finish_task_switch+0x14d/0x650
[   63.560725]  ? find_held_lock+0x36/0x1d0
[   63.564778]  ? __mutex_lock+0x8b7/0x14c0
[   63.568819]  ? lock_downgrade+0x7f0/0x7f0
[   63.572950]  ? do_raw_spin_unlock+0x161/0x250
[   63.577454]  rtnetlink_rcv_msg+0x34f/0x9d0
[   63.581671]  ? rtnl_bridge_getlink+0x760/0x760
[   63.586236]  ? find_held_lock+0x36/0x1d0
[   63.590289]  netlink_rcv_skb+0x133/0x370
[   63.594360]  ? rtnl_bridge_getlink+0x760/0x760
[   63.598921]  ? netlink_ack+0xa00/0xa00
[   63.602804]  ? netlink_deliver_tap+0x8e/0x920
[   63.607296]  rtnetlink_rcv+0x10/0x20
[   63.611002]  netlink_unicast+0x40d/0x5f0
[   63.615044]  ? netlink_attachskb+0x6e0/0x6e0
[   63.619433]  netlink_sendmsg+0x730/0xbd0
[   63.623477]  ? netlink_unicast+0x5f0/0x5f0
[   63.627720]  ? selinux_socket_sendmsg+0x31/0x40
[   63.632374]  ? security_socket_sendmsg+0x6a/0xa0
[   63.637113]  ? netlink_unicast+0x5f0/0x5f0
[   63.641330]  sock_sendmsg+0xb5/0xf0
[   63.644943]  ___sys_sendmsg+0x625/0x920
[   63.648896]  ? trace_hardirqs_off+0x10/0x10
[   63.653212]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   63.657946]  ? find_held_lock+0x36/0x1d0
[   63.661986]  ? lock_downgrade+0x7f0/0x7f0
[   63.666114]  ? __fget+0x1ca/0x2f0
[   63.669552]  ? __fget_light+0x166/0x200
[   63.673511]  ? __fdget+0xe/0x10
[   63.676774]  ? sockfd_lookup_light+0x1c/0x150
[   63.681276]  __sys_sendmsg+0xc1/0x140
[   63.685065]  ? SyS_shutdown+0x180/0x180
[   63.689022]  ? __sb_end_write+0xa4/0xd0
[   63.693113]  ? mutex_unlock+0xd/0x10
[   63.696810]  ? do_syscall_64+0x4c/0x5b0
[   63.700770]  ? __sys_sendmsg+0x140/0x140
[   63.704815]  SyS_sendmsg+0xd/0x20
[   63.708251]  do_syscall_64+0x1c7/0x5b0
[   63.712129]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   63.716952]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   63.722125] RIP: 0033:0x459ef9
[   63.725313] RSP: 002b:00007f449f84cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   63.733003] RAX: ffffffffffffffda RBX: 00007f449f84cc90 RCX: 0000000000459ef9
[   63.740251] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   63.747506] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   63.754766] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f449f84d6d4
[   63.762022] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   63.773127] FAULT_INJECTION: forcing a failure.
[   63.773127] name failslab, interval 1, probability 0, space 0, times 0
[   63.786965] CPU: 0 PID: 6912 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0
[   63.794778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   63.794781] Call Trace:
[   63.794794]  dump_stack+0xf7/0x13b
[   63.794805]  should_fail.cold.3+0x105/0x14b
[   63.794816]  should_failslab+0xba/0xf0
[   63.794824]  __kmalloc_track_caller+0x2e4/0x7a0
[   63.794833]  ? find_held_lock+0x36/0x1d0
[   63.814567]  ? kstrdup_const+0x1f/0x30
[   63.814575]  kstrdup+0x2c/0x60
[   63.814581]  kstrdup_const+0x1f/0x30
[   63.814589]  __kernfs_new_node+0x27/0x3e0
[   63.814596]  ? lock_downgrade+0x7f0/0x7f0
[   63.814603]  kernfs_new_node+0x5e/0xe0
[   63.814610]  kernfs_create_link+0x25/0x130
[   63.814616]  sysfs_do_create_link_sd.isra.2+0x7d/0xf0
[   63.814623]  sysfs_create_link+0x43/0xb0
[   63.814631]  netdev_adjacent_sysfs_add+0x94/0xb0
[   63.814635]  ? napi_disable+0x80/0x80
[   63.814646]  __netdev_adjacent_dev_insert+0x46d/0x7b0
[   63.814653]  __netdev_upper_dev_link+0x174/0x1f0
[   63.814658]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   63.814668]  netdev_master_upper_dev_link+0x14/0x20
[   63.891718]  batadv_hardif_enable_interface+0x1af/0x990
[   63.897074]  batadv_softif_slave_add+0x82/0xe0
[   63.901645]  do_set_master+0x163/0x1f0
[   63.905519]  do_setlink+0x9dd/0x2c50
[   63.909211]  ? find_held_lock+0x36/0x1d0
[   63.913254]  ? rtnl_register+0x20/0x20
[   63.917121]  ? load_balance+0xb38/0x2190
[   63.921174]  ? lock_downgrade+0x7f0/0x7f0
[   63.925317]  ? lock_pin_lock+0x340/0x340
[   63.929367]  ? __lock_acquire+0x6a4/0x4500
[   63.933590]  ? trace_hardirqs_off+0x10/0x10
[   63.937895]  ? __lock_is_held+0xb5/0x140
[   63.941951]  ? trace_hardirqs_off+0x10/0x10
[   63.946268]  rtnl_newlink+0xe0c/0x1390
[   63.950137]  ? rtnl_link_unregister+0x270/0x270
[   63.954783]  ? finish_task_switch+0x178/0x650
[   63.959262]  ? finish_task_switch+0x14d/0x650
[   63.963741]  ? find_held_lock+0x36/0x1d0
[   63.967788]  ? __mutex_lock+0x8b7/0x14c0
[   63.971842]  ? lock_downgrade+0x7f0/0x7f0
[   63.975982]  ? do_raw_spin_unlock+0x161/0x250
[   63.980495]  rtnetlink_rcv_msg+0x34f/0x9d0
[   63.984714]  ? rtnl_bridge_getlink+0x760/0x760
[   63.989279]  ? find_held_lock+0x36/0x1d0
[   63.993773]  netlink_rcv_skb+0x133/0x370
[   63.997826]  ? rtnl_bridge_getlink+0x760/0x760
[   64.002390]  ? netlink_ack+0xa00/0xa00
[   64.006264]  ? netlink_deliver_tap+0x8e/0x920
[   64.010737]  rtnetlink_rcv+0x10/0x20
[   64.014438]  netlink_unicast+0x40d/0x5f0
[   64.018483]  ? netlink_attachskb+0x6e0/0x6e0
[   64.022881]  netlink_sendmsg+0x730/0xbd0
[   64.026937]  ? netlink_unicast+0x5f0/0x5f0
[   64.031160]  ? selinux_socket_sendmsg+0x31/0x40
[   64.035812]  ? security_socket_sendmsg+0x6a/0xa0
[   64.040551]  ? netlink_unicast+0x5f0/0x5f0
[   64.044785]  sock_sendmsg+0xb5/0xf0
[   64.048388]  ___sys_sendmsg+0x625/0x920
[   64.052339]  ? trace_hardirqs_off+0x10/0x10
[   64.056645]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   64.061395]  ? find_held_lock+0x36/0x1d0
[   64.065461]  ? lock_downgrade+0x7f0/0x7f0
[   64.069598]  ? __fget+0x1ca/0x2f0
[   64.073040]  ? __fget_light+0x166/0x200
[   64.076994]  ? __fdget+0xe/0x10
[   64.080253]  ? sockfd_lookup_light+0x1c/0x150
[   64.084732]  __sys_sendmsg+0xc1/0x140
[   64.088525]  ? SyS_shutdown+0x180/0x180
[   64.092487]  ? __sb_end_write+0xa4/0xd0
[   64.096449]  ? mutex_unlock+0xd/0x10
[   64.100167]  ? do_syscall_64+0x4c/0x5b0
[   64.104133]  ? __sys_sendmsg+0x140/0x140
[   64.108189]  SyS_sendmsg+0xd/0x20
[   64.112568]  do_syscall_64+0x1c7/0x5b0
[   64.116442]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   64.121395]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   64.126568] RIP: 0033:0x459ef9
[   64.129736] RSP: 002b:00007f8a64537c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   64.137437] RAX: ffffffffffffffda RBX: 00007f8a64537c90 RCX: 0000000000459ef9
[   64.144699] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   64.151963] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   64.159222] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8a645386d4
[   64.166492] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   64.182723] FAULT_INJECTION: forcing a failure.
[   64.182723] name failslab, interval 1, probability 0, space 0, times 0
[   64.195173] CPU: 0 PID: 6921 Comm: syz-executor.4 Not tainted 4.14.158-syzkaller #0
[   64.202972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   64.212317] Call Trace:
[   64.212332]  dump_stack+0xf7/0x13b
[   64.212342]  should_fail.cold.3+0x105/0x14b
[   64.212352]  should_failslab+0xba/0xf0
[   64.212359]  kmem_cache_alloc_trace+0x2ea/0x7a0
[   64.212366]  ? sysfs_do_create_link_sd.isra.2+0x88/0xf0
[   64.212375]  __netdev_adjacent_dev_insert+0xf6/0x7b0
[   64.212383]  __netdev_upper_dev_link+0x174/0x1f0
[   64.226653]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   64.226666]  netdev_master_upper_dev_link+0x14/0x20
[   64.226672]  batadv_hardif_enable_interface+0x1af/0x990
[   64.226683]  batadv_softif_slave_add+0x82/0xe0
[   64.226692]  do_set_master+0x163/0x1f0
[   64.226699]  do_setlink+0x9dd/0x2c50
[   64.241797]  ? __lock_acquire+0x6a4/0x4500
[   64.241804]  ? trace_hardirqs_off+0x10/0x10
[   64.241813]  ? rtnl_register+0x20/0x20
[   64.241824]  ? trace_hardirqs_on+0x10/0x10
[   64.241830]  ? trace_hardirqs_off+0x10/0x10
[   64.241838]  ? __lock_acquire+0x6a4/0x4500
[   64.241844]  ? trace_hardirqs_off+0x10/0x10
[   64.241850]  ? __lock_is_held+0xb5/0x140
[   64.241854]  ? trace_hardirqs_off+0x10/0x10
[   64.241862]  ? trace_hardirqs_off+0x10/0x10
[   64.241877]  rtnl_newlink+0xe0c/0x1390
[   64.241890]  ? rtnl_link_unregister+0x270/0x270
[   64.241895]  ? finish_task_switch+0x178/0x650
[   64.241899]  ? finish_task_switch+0x14d/0x650
[   64.241906]  ? find_held_lock+0x36/0x1d0
[   64.241918]  ? __mutex_lock+0x8b7/0x14c0
[   64.241923]  ? lock_downgrade+0x7f0/0x7f0
[   64.241932]  ? do_raw_spin_unlock+0x161/0x250
[   64.241958]  rtnetlink_rcv_msg+0x34f/0x9d0
[   64.251423]  ? rtnl_bridge_getlink+0x760/0x760
[   64.251431]  ? find_held_lock+0x36/0x1d0
[   64.251443]  netlink_rcv_skb+0x133/0x370
[   64.251449]  ? rtnl_bridge_getlink+0x760/0x760
[   64.251455]  ? netlink_ack+0xa00/0xa00
[   64.251462]  ? netlink_deliver_tap+0x8e/0x920
[   64.251472]  rtnetlink_rcv+0x10/0x20
[   64.251477]  netlink_unicast+0x40d/0x5f0
[   64.251485]  ? netlink_attachskb+0x6e0/0x6e0
[   64.251495]  netlink_sendmsg+0x730/0xbd0
[   64.251502]  ? netlink_unicast+0x5f0/0x5f0
[   64.251509]  ? selinux_socket_sendmsg+0x31/0x40
[   64.251515]  ? security_socket_sendmsg+0x6a/0xa0
[   64.251520]  ? netlink_unicast+0x5f0/0x5f0
[   64.251525]  sock_sendmsg+0xb5/0xf0
[   64.251530]  ___sys_sendmsg+0x625/0x920
[   64.251535]  ? trace_hardirqs_off+0x10/0x10
[   64.251542]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   64.430696]  ? find_held_lock+0x36/0x1d0
[   64.434752]  ? lock_downgrade+0x7f0/0x7f0
[   64.438886]  ? __fget+0x1ca/0x2f0
[   64.442331]  ? __fget_light+0x166/0x200
[   64.446292]  ? __fdget+0xe/0x10
[   64.449561]  ? sockfd_lookup_light+0x1c/0x150
[   64.454046]  __sys_sendmsg+0xc1/0x140
[   64.457827]  ? SyS_shutdown+0x180/0x180
[   64.461790]  ? __sb_end_write+0xa4/0xd0
[   64.465751]  ? mutex_unlock+0xd/0x10
[   64.469447]  ? do_syscall_64+0x4c/0x5b0
[   64.473406]  ? __sys_sendmsg+0x140/0x140
[   64.477450]  SyS_sendmsg+0xd/0x20
[   64.480909]  do_syscall_64+0x1c7/0x5b0
[   64.484788]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   64.489622]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   64.494788] RIP: 0033:0x459ef9
[   64.497964] RSP: 002b:00007fc87feaec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   64.505651] RAX: ffffffffffffffda RBX: 00007fc87feaec90 RCX: 0000000000459ef9
[   64.512916] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   64.520188] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   64.527444] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc87feaf6d4
[   64.534703] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   64.545626] FAULT_INJECTION: forcing a failure.
[   64.545626] name failslab, interval 1, probability 0, space 0, times 0
[   64.558522] CPU: 1 PID: 6927 Comm: syz-executor.1 Not tainted 4.14.158-syzkaller #0
[   64.566335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   64.575682] Call Trace:
[   64.575695]  dump_stack+0xf7/0x13b
[   64.575706]  should_fail.cold.3+0x105/0x14b
[   64.575717]  should_failslab+0xba/0xf0
[   64.575724]  kmem_cache_alloc_trace+0x2ea/0x7a0
[   64.575730]  ? sysfs_do_create_link_sd.isra.2+0x88/0xf0
[   64.575741]  __netdev_adjacent_dev_insert+0xf6/0x7b0
[   64.575748]  __netdev_upper_dev_link+0x174/0x1f0
[   64.575754]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   64.575764]  netdev_master_upper_dev_link+0x14/0x20
[   64.575770]  batadv_hardif_enable_interface+0x1af/0x990
[   64.575780]  batadv_softif_slave_add+0x82/0xe0
[   64.575789]  do_set_master+0x163/0x1f0
[   64.575795]  do_setlink+0x9dd/0x2c50
[   64.575804]  ? __lock_acquire+0x6a4/0x4500
[   64.575809]  ? trace_hardirqs_off+0x10/0x10
[   64.575816]  ? rtnl_register+0x20/0x20
[   64.575826]  ? trace_hardirqs_on+0x10/0x10
[   64.575835]  ? __lock_acquire+0x6a4/0x4500
[   64.575839]  ? trace_hardirqs_off+0x10/0x10
[   64.575852]  ? trace_hardirqs_off+0x10/0x10
[   64.575856]  ? trace_hardirqs_off+0x10/0x10
[   64.575869]  rtnl_newlink+0xe0c/0x1390
[   64.575882]  ? rtnl_link_unregister+0x270/0x270
[   64.581973]  ? finish_task_switch+0x178/0x650
[   64.581977]  ? finish_task_switch+0x14d/0x650
[   64.581986]  ? find_held_lock+0x36/0x1d0
[   64.581998]  ? __mutex_lock+0x8b7/0x14c0
[   64.582003]  ? lock_downgrade+0x7f0/0x7f0
[   64.582013]  ? do_raw_spin_unlock+0x161/0x250
[   64.582043]  rtnetlink_rcv_msg+0x34f/0x9d0
[   64.709282]  ? rtnl_bridge_getlink+0x760/0x760
[   64.713841]  ? find_held_lock+0x36/0x1d0
[   64.722542]  netlink_rcv_skb+0x133/0x370
[   64.726600]  ? rtnl_bridge_getlink+0x760/0x760
[   64.731166]  ? netlink_ack+0xa00/0xa00
[   64.735031]  ? netlink_deliver_tap+0x8e/0x920
[   64.739545]  rtnetlink_rcv+0x10/0x20
[   64.743243]  netlink_unicast+0x40d/0x5f0
[   64.747281]  ? netlink_attachskb+0x6e0/0x6e0
[   64.751669]  netlink_sendmsg+0x730/0xbd0
[   64.755747]  ? netlink_unicast+0x5f0/0x5f0
[   64.759961]  ? selinux_socket_sendmsg+0x31/0x40
[   64.764606]  ? security_socket_sendmsg+0x6a/0xa0
[   64.769336]  ? netlink_unicast+0x5f0/0x5f0
[   64.773547]  sock_sendmsg+0xb5/0xf0
[   64.777156]  ___sys_sendmsg+0x625/0x920
[   64.781113]  ? trace_hardirqs_off+0x10/0x10
[   64.785415]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   64.790158]  ? find_held_lock+0x36/0x1d0
[   64.794216]  ? lock_downgrade+0x7f0/0x7f0
[   64.798344]  ? __fget+0x1ca/0x2f0
[   64.801785]  ? __fget_light+0x166/0x200
[   64.805732]  ? __fdget+0xe/0x10
[   64.808985]  ? sockfd_lookup_light+0x1c/0x150
[   64.813455]  __sys_sendmsg+0xc1/0x140
[   64.817228]  ? SyS_shutdown+0x180/0x180
[   64.821175]  ? __sb_end_write+0xa4/0xd0
[   64.825124]  ? mutex_unlock+0xd/0x10
[   64.828816]  ? do_syscall_64+0x4c/0x5b0
[   64.832764]  ? __sys_sendmsg+0x140/0x140
[   64.836807]  SyS_sendmsg+0xd/0x20
[   64.840239]  do_syscall_64+0x1c7/0x5b0
[   64.844100]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   64.848920]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   64.854109] RIP: 0033:0x459ef9
[   64.857282] RSP: 002b:00007f899e9ddc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   64.864973] RAX: ffffffffffffffda RBX: 00007f899e9ddc90 RCX: 0000000000459ef9
[   64.872231] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   64.879477] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   64.886742] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f899e9de6d4
[   64.894006] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   64.910202] FAULT_INJECTION: forcing a failure.
[   64.910202] name failslab, interval 1, probability 0, space 0, times 0
[   64.944879] CPU: 1 PID: 6936 Comm: syz-executor.2 Not tainted 4.14.158-syzkaller #0
[   64.952700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   64.962076] Call Trace:
[   64.964676]  dump_stack+0xf7/0x13b
[   64.968215]  should_fail.cold.3+0x105/0x14b
[   64.972515]  should_failslab+0xba/0xf0
[   64.976378]  __kmalloc_track_caller+0x2e4/0x7a0
[   64.981032]  ? find_held_lock+0x36/0x1d0
[   64.985083]  ? kstrdup_const+0x1f/0x30
[   64.988951]  kstrdup+0x2c/0x60
[   64.992123]  kstrdup_const+0x1f/0x30
[   64.995811]  __kernfs_new_node+0x27/0x3e0
[   64.999937]  ? lock_downgrade+0x7f0/0x7f0
[   65.004070]  kernfs_new_node+0x5e/0xe0
[   65.007938]  kernfs_create_link+0x25/0x130
[   65.012162]  sysfs_do_create_link_sd.isra.2+0x7d/0xf0
[   65.017329]  sysfs_create_link+0x43/0xb0
[   65.021392]  netdev_adjacent_sysfs_add+0x94/0xb0
[   65.026135]  ? napi_disable+0x80/0x80
[   65.029928]  __netdev_adjacent_dev_insert+0x46d/0x7b0
[   65.035093]  __netdev_upper_dev_link+0x174/0x1f0
[   65.039824]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   65.044558]  netdev_master_upper_dev_link+0x14/0x20
[   65.049561]  batadv_hardif_enable_interface+0x1af/0x990
[   65.054912]  batadv_softif_slave_add+0x82/0xe0
[   65.059473]  do_set_master+0x163/0x1f0
[   65.063341]  do_setlink+0x9dd/0x2c50
[   65.067034]  ? rtnl_register+0x20/0x20
[   65.070899]  ? trace_hardirqs_on+0x10/0x10
[   65.075111]  ? trace_hardirqs_off+0x10/0x10
[   65.079419]  ? __lock_acquire+0x6a4/0x4500
[   65.083647]  ? trace_hardirqs_off+0x10/0x10
[   65.087951]  ? trace_hardirqs_off+0x10/0x10
[   65.093218]  rtnl_newlink+0xe0c/0x1390
[   65.097093]  ? rtnl_link_unregister+0x270/0x270
[   65.101779]  ? finish_task_switch+0x178/0x650
[   65.106261]  ? finish_task_switch+0x14d/0x650
[   65.110743]  ? find_held_lock+0x36/0x1d0
[   65.114796]  ? __mutex_lock+0x8b7/0x14c0
[   65.118834]  ? lock_downgrade+0x7f0/0x7f0
[   65.122962]  ? do_raw_spin_unlock+0x161/0x250
[   65.127451]  rtnetlink_rcv_msg+0x34f/0x9d0
[   65.131669]  ? rtnl_bridge_getlink+0x760/0x760
[   65.136243]  ? find_held_lock+0x36/0x1d0
[   65.140280]  netlink_rcv_skb+0x133/0x370
[   65.144317]  ? rtnl_bridge_getlink+0x760/0x760
[   65.148875]  ? netlink_ack+0xa00/0xa00
[   65.152751]  ? netlink_deliver_tap+0x8e/0x920
[   65.157226]  rtnetlink_rcv+0x10/0x20
[   65.160914]  netlink_unicast+0x40d/0x5f0
[   65.164951]  ? netlink_attachskb+0x6e0/0x6e0
[   65.169339]  netlink_sendmsg+0x730/0xbd0
[   65.173377]  ? netlink_unicast+0x5f0/0x5f0
[   65.177600]  ? selinux_socket_sendmsg+0x31/0x40
[   65.182246]  ? security_socket_sendmsg+0x6a/0xa0
[   65.186983]  ? netlink_unicast+0x5f0/0x5f0
[   65.191205]  sock_sendmsg+0xb5/0xf0
[   65.194829]  ___sys_sendmsg+0x625/0x920
[   65.198780]  ? trace_hardirqs_off+0x10/0x10
[   65.203075]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   65.207819]  ? find_held_lock+0x36/0x1d0
[   65.211863]  ? lock_downgrade+0x7f0/0x7f0
[   65.215993]  ? __fget+0x1ca/0x2f0
[   65.219423]  ? __fget_light+0x166/0x200
[   65.223374]  ? __fdget+0xe/0x10
[   65.226633]  ? sockfd_lookup_light+0x1c/0x150
[   65.231104]  __sys_sendmsg+0xc1/0x140
[   65.234880]  ? SyS_shutdown+0x180/0x180
[   65.238831]  ? __sb_end_write+0xa4/0xd0
[   65.242789]  ? mutex_unlock+0xd/0x10
[   65.246499]  ? do_syscall_64+0x4c/0x5b0
[   65.250515]  ? __sys_sendmsg+0x140/0x140
[   65.254563]  SyS_sendmsg+0xd/0x20
[   65.258012]  do_syscall_64+0x1c7/0x5b0
[   65.261884]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   65.266715]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   65.272059] RIP: 0033:0x459ef9
[   65.275274] RSP: 002b:00007f9d04662c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   65.282960] RAX: ffffffffffffffda RBX: 00007f9d04662c90 RCX: 0000000000459ef9
[   65.290213] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   65.297470] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   65.304723] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9d046636d4
[   65.311973] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   65.325909] device bridge_slave_0 left promiscuous mode
[   65.337603] bridge0: port 1(bridge_slave_0) entered disabled state
[   65.344073] FAULT_INJECTION: forcing a failure.
[   65.344073] name failslab, interval 1, probability 0, space 0, times 0
[   65.355276] CPU: 0 PID: 6937 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0
[   65.363060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   65.372469] Call Trace:
[   65.375042]  dump_stack+0xf7/0x13b
[   65.378560]  should_fail.cold.3+0x105/0x14b
[   65.382868]  should_failslab+0xba/0xf0
[   65.386740]  kmem_cache_alloc_node_trace+0x5a/0x780
[   65.391737]  __kmalloc_node_track_caller+0x3c/0x70
[   65.396652]  __kmalloc_reserve.isra.36+0x2c/0xc0
[   65.401397]  __alloc_skb+0xc1/0x500
[   65.405010]  ? skb_trim+0x160/0x160
[   65.408617]  ? br_get_link_af_size_filtered+0xd2/0x6e0
[   65.413876]  br_ifinfo_notify.part.21+0x89/0x160
[   65.418612]  br_ifinfo_notify+0xe/0x20
[   65.422484]  br_stp_disable_port+0xbb/0x150
[   65.426809]  del_nbp+0x119/0x8b0
[   65.431139]  br_del_if+0xc7/0x470
[   65.434570]  br_del_slave+0x10/0x20
[   65.438177]  do_set_master+0xb6/0x1f0
[   65.441969]  do_setlink+0x9dd/0x2c50
[   65.445667]  ? rtnl_register+0x20/0x20
[   65.449545]  ? __lock_acquire+0x6a4/0x4500
[   65.453758]  ? __lock_acquire+0x6a4/0x4500
[   65.457972]  ? __lock_acquire+0x6a4/0x4500
[   65.462192]  ? trace_hardirqs_on+0x10/0x10
[   65.466408]  ? trace_hardirqs_off+0x10/0x10
[   65.470708]  ? __lock_acquire+0x6a4/0x4500
[   65.474925]  rtnl_newlink+0xe0c/0x1390
[   65.478787]  ? trace_hardirqs_off+0x10/0x10
[   65.483105]  ? memset+0x31/0x40
[   65.486380]  ? rtnl_newlink+0x6d0/0x1390
[   65.490424]  ? rtnl_link_unregister+0x270/0x270
[   65.495080]  ? finish_task_switch+0x178/0x650
[   65.499550]  ? finish_task_switch+0x14d/0x650
[   65.504023]  ? find_held_lock+0x36/0x1d0
[   65.508071]  ? __mutex_lock+0x8b7/0x14c0
[   65.512107]  ? lock_downgrade+0x7f0/0x7f0
[   65.516232]  ? do_raw_spin_unlock+0x161/0x250
[   65.521344]  rtnetlink_rcv_msg+0x34f/0x9d0
[   65.525571]  ? rtnl_bridge_getlink+0x760/0x760
[   65.530143]  ? find_held_lock+0x36/0x1d0
[   65.534188]  netlink_rcv_skb+0x133/0x370
[   65.538224]  ? rtnl_bridge_getlink+0x760/0x760
[   65.542785]  ? netlink_ack+0xa00/0xa00
[   65.546656]  ? netlink_deliver_tap+0x8e/0x920
[   65.551131]  rtnetlink_rcv+0x10/0x20
[   65.554820]  netlink_unicast+0x40d/0x5f0
[   65.558857]  ? netlink_attachskb+0x6e0/0x6e0
[   65.563248]  netlink_sendmsg+0x730/0xbd0
[   65.567294]  ? netlink_unicast+0x5f0/0x5f0
[   65.571504]  ? selinux_socket_sendmsg+0x31/0x40
[   65.576146]  ? security_socket_sendmsg+0x6a/0xa0
[   65.580880]  ? netlink_unicast+0x5f0/0x5f0
[   65.585096]  sock_sendmsg+0xb5/0xf0
[   65.588702]  ___sys_sendmsg+0x625/0x920
[   65.592653]  ? trace_hardirqs_off+0x10/0x10
[   65.596955]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   65.601694]  ? find_held_lock+0x36/0x1d0
[   65.605739]  ? lock_downgrade+0x7f0/0x7f0
[   65.609879]  ? __fget+0x1ca/0x2f0
[   65.613311]  ? __fget_light+0x166/0x200
[   65.617268]  ? __fdget+0xe/0x10
[   65.620536]  ? sockfd_lookup_light+0x1c/0x150
[   65.625017]  __sys_sendmsg+0xc1/0x140
[   65.628803]  ? SyS_shutdown+0x180/0x180
[   65.632772]  ? __sb_end_write+0xa4/0xd0
[   65.636734]  ? mutex_unlock+0xd/0x10
[   65.640436]  ? do_syscall_64+0x4c/0x5b0
[   65.644398]  ? __sys_sendmsg+0x140/0x140
[   65.648436]  SyS_sendmsg+0xd/0x20
[   65.651869]  do_syscall_64+0x1c7/0x5b0
[   65.655745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   65.660575]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   65.665749] RIP: 0033:0x459ef9
[   65.668914] RSP: 002b:00007f8a64537c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   65.676604] RAX: ffffffffffffffda RBX: 00007f8a64537c90 RCX: 0000000000459ef9
[   65.683859] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   65.691115] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   65.698368] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8a645386d4
[   65.705622] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   65.753108] batman_adv: batadv0: Adding interface: bridge_slave_0
[   65.759391] 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.
[   65.762080] NOHZ: local_softirq_pending 08
[   65.784643] batman_adv: batadv0: Interface activated: bridge_slave_0
[   65.796973] FAULT_INJECTION: forcing a failure.
[   65.796973] name failslab, interval 1, probability 0, space 0, times 0
[   65.827162] CPU: 0 PID: 6944 Comm: syz-executor.3 Not tainted 4.14.158-syzkaller #0
[   65.835020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   65.844370] Call Trace:
[   65.846951]  dump_stack+0xf7/0x13b
[   65.850491]  should_fail.cold.3+0x105/0x14b
[   65.854820]  should_failslab+0xba/0xf0
[   65.858685]  kmem_cache_alloc+0x2cf/0x790
[   65.862809]  ? memcpy+0x45/0x50
[   65.866076]  ? kstrdup+0x42/0x60
[   65.869422]  __kernfs_new_node+0x63/0x3e0
[   65.873547]  ? lock_downgrade+0x7f0/0x7f0
[   65.877670]  kernfs_new_node+0x5e/0xe0
[   65.881533]  kernfs_create_link+0x25/0x130
[   65.885744]  sysfs_do_create_link_sd.isra.2+0x7d/0xf0
[   65.890917]  sysfs_create_link+0x43/0xb0
[   65.894971]  netdev_adjacent_sysfs_add+0x94/0xb0
[   65.899708]  ? napi_disable+0x80/0x80
[   65.903490]  __netdev_adjacent_dev_insert+0x46d/0x7b0
[   65.908655]  __netdev_upper_dev_link+0x174/0x1f0
[   65.913404]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   65.918158]  netdev_master_upper_dev_link+0x14/0x20
[   65.923167]  batadv_hardif_enable_interface+0x1af/0x990
[   65.928685]  batadv_softif_slave_add+0x82/0xe0
[   65.933255]  do_set_master+0x163/0x1f0
[   65.937119]  do_setlink+0x9dd/0x2c50
[   65.940819]  ? rtnl_register+0x20/0x20
[   65.944692]  ? trace_hardirqs_on+0x10/0x10
[   65.948910]  ? trace_hardirqs_off+0x10/0x10
[   65.953211]  ? find_held_lock+0x36/0x1d0
[   65.957249]  ? find_held_lock+0x36/0x1d0
[   65.961297]  ? free_one_page+0x9c4/0x1050
[   65.965518]  ? lock_downgrade+0x7f0/0x7f0
[   65.969644]  ? __this_cpu_preempt_check+0x13/0x20
[   65.974462]  ? do_raw_spin_unlock+0x161/0x250
[   65.978947]  rtnl_newlink+0xe0c/0x1390
[   65.982829]  ? rtnl_link_unregister+0x270/0x270
[   65.987475]  ? finish_task_switch+0x448/0x650
[   65.991955]  ? find_held_lock+0x36/0x1d0
[   65.996001]  ? __mutex_lock+0x8b7/0x14c0
[   66.000076]  ? lock_downgrade+0x7f0/0x7f0
[   66.004206]  ? do_raw_spin_unlock+0x161/0x250
[   66.008688]  rtnetlink_rcv_msg+0x34f/0x9d0
[   66.012899]  ? rtnl_bridge_getlink+0x760/0x760
[   66.017457]  ? find_held_lock+0x36/0x1d0
[   66.021515]  netlink_rcv_skb+0x133/0x370
[   66.025558]  ? rtnl_bridge_getlink+0x760/0x760
[   66.030121]  ? netlink_ack+0xa00/0xa00
[   66.033994]  ? netlink_deliver_tap+0x8e/0x920
[   66.038464]  rtnetlink_rcv+0x10/0x20
[   66.042153]  netlink_unicast+0x40d/0x5f0
[   66.046244]  ? netlink_attachskb+0x6e0/0x6e0
[   66.050643]  netlink_sendmsg+0x730/0xbd0
[   66.054687]  ? netlink_unicast+0x5f0/0x5f0
[   66.058897]  ? selinux_socket_sendmsg+0x31/0x40
[   66.063551]  ? security_socket_sendmsg+0x6a/0xa0
[   66.068282]  ? netlink_unicast+0x5f0/0x5f0
[   66.072500]  sock_sendmsg+0xb5/0xf0
[   66.076291]  ___sys_sendmsg+0x625/0x920
[   66.080365]  ? trace_hardirqs_off+0x10/0x10
[   66.084726]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   66.089482]  ? find_held_lock+0x36/0x1d0
[   66.095616]  ? lock_downgrade+0x7f0/0x7f0
[   66.099755]  ? __fget+0x1ca/0x2f0
[   66.103189]  ? __fget_light+0x166/0x200
[   66.107140]  ? __fdget+0xe/0x10
[   66.110402]  ? sockfd_lookup_light+0x1c/0x150
[   66.114882]  __sys_sendmsg+0xc1/0x140
[   66.118665]  ? SyS_shutdown+0x180/0x180
[   66.122625]  ? __sb_end_write+0xa4/0xd0
[   66.126581]  ? mutex_unlock+0xd/0x10
[   66.130288]  ? do_syscall_64+0x4c/0x5b0
[   66.134246]  ? __sys_sendmsg+0x140/0x140
[   66.138284]  SyS_sendmsg+0xd/0x20
[   66.141739]  do_syscall_64+0x1c7/0x5b0
[   66.145608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   66.150437]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   66.155608] RIP: 0033:0x459ef9
[   66.158771] RSP: 002b:00007f449f84cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   66.166453] RAX: ffffffffffffffda RBX: 00007f449f84cc90 RCX: 0000000000459ef9
[   66.173698] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   66.180952] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   66.188208] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f449f84d6d4
[   66.195454] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   66.205639] FAULT_INJECTION: forcing a failure.
[   66.205639] name failslab, interval 1, probability 0, space 0, times 0
[   66.222795] CPU: 1 PID: 6949 Comm: syz-executor.1 Not tainted 4.14.158-syzkaller #0
[   66.230605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   66.239946] Call Trace:
[   66.242622]  dump_stack+0xf7/0x13b
[   66.246151]  should_fail.cold.3+0x105/0x14b
[   66.250462]  should_failslab+0xba/0xf0
[   66.254332]  kmem_cache_alloc_node+0x287/0x790
[   66.258940]  __alloc_skb+0x92/0x500
[   66.262551]  ? skb_trim+0x160/0x160
[   66.266163]  ? if_nlmsg_size+0x2d9/0x6f0
[   66.270200]  rtmsg_ifinfo_build_skb+0x68/0x120
[   66.274769]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   66.279599]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   66.284504]  rtnetlink_event+0xc2/0x110
[   66.288454]  notifier_call_chain+0xd6/0x150
[   66.292752]  raw_notifier_call_chain+0x11/0x20
[   66.297315]  call_netdevice_notifiers_info+0x4b/0x60
[   66.302407]  __netdev_upper_dev_link+0x18e/0x1f0
[   66.307150]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   66.311971]  netdev_master_upper_dev_link+0x14/0x20
[   66.316975]  batadv_hardif_enable_interface+0x1af/0x990
[   66.322329]  batadv_softif_slave_add+0x82/0xe0
[   66.326897]  do_set_master+0x163/0x1f0
[   66.330771]  do_setlink+0x9dd/0x2c50
[   66.334466]  ? find_held_lock+0x36/0x1d0
[   66.338506]  ? rtnl_register+0x20/0x20
[   66.342369]  ? load_balance+0xb38/0x2190
[   66.346407]  ? lock_downgrade+0x7f0/0x7f0
[   66.350530]  ? lock_pin_lock+0x340/0x340
[   66.354570]  ? __lock_acquire+0x6a4/0x4500
[   66.358907]  ? trace_hardirqs_off+0x10/0x10
[   66.363224]  ? __lock_is_held+0xb5/0x140
[   66.367264]  ? trace_hardirqs_off+0x10/0x10
[   66.371568]  rtnl_newlink+0xe0c/0x1390
[   66.375436]  ? rtnl_link_unregister+0x270/0x270
[   66.380081]  ? finish_task_switch+0x178/0x650
[   66.384847]  ? finish_task_switch+0x14d/0x650
[   66.389321]  ? find_held_lock+0x36/0x1d0
[   66.393362]  ? __mutex_lock+0x8b7/0x14c0
[   66.397406]  ? lock_downgrade+0x7f0/0x7f0
[   66.401538]  ? do_raw_spin_unlock+0x161/0x250
[   66.406040]  rtnetlink_rcv_msg+0x34f/0x9d0
[   66.410261]  ? rtnl_bridge_getlink+0x760/0x760
[   66.414820]  ? find_held_lock+0x36/0x1d0
[   66.418858]  netlink_rcv_skb+0x133/0x370
[   66.422984]  ? rtnl_bridge_getlink+0x760/0x760
[   66.427543]  ? netlink_ack+0xa00/0xa00
[   66.431408]  ? netlink_deliver_tap+0x8e/0x920
[   66.435889]  rtnetlink_rcv+0x10/0x20
[   66.439592]  netlink_unicast+0x40d/0x5f0
[   66.443629]  ? netlink_attachskb+0x6e0/0x6e0
[   66.448027]  netlink_sendmsg+0x730/0xbd0
[   66.452077]  ? netlink_unicast+0x5f0/0x5f0
[   66.456287]  ? selinux_socket_sendmsg+0x31/0x40
[   66.460945]  ? security_socket_sendmsg+0x6a/0xa0
[   66.465678]  ? netlink_unicast+0x5f0/0x5f0
[   66.469903]  sock_sendmsg+0xb5/0xf0
[   66.473508]  ___sys_sendmsg+0x625/0x920
[   66.477462]  ? trace_hardirqs_off+0x10/0x10
[   66.481762]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   66.486497]  ? find_held_lock+0x36/0x1d0
[   66.490547]  ? lock_downgrade+0x7f0/0x7f0
[   66.494682]  ? __fget+0x1ca/0x2f0
[   66.498124]  ? __fget_light+0x166/0x200
[   66.502093]  ? __fdget+0xe/0x10
[   66.505359]  ? sockfd_lookup_light+0x1c/0x150
[   66.509839]  __sys_sendmsg+0xc1/0x140
[   66.513617]  ? SyS_shutdown+0x180/0x180
[   66.517566]  ? __sb_end_write+0xa4/0xd0
[   66.521540]  ? mutex_unlock+0xd/0x10
[   66.525242]  ? do_syscall_64+0x4c/0x5b0
[   66.529199]  ? __sys_sendmsg+0x140/0x140
[   66.533232]  SyS_sendmsg+0xd/0x20
[   66.536662]  do_syscall_64+0x1c7/0x5b0
[   66.540522]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   66.545342]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   66.550508] RIP: 0033:0x459ef9
[   66.553681] RSP: 002b:00007f899e9ddc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   66.561365] RAX: ffffffffffffffda RBX: 00007f899e9ddc90 RCX: 0000000000459ef9
[   66.568612] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   66.575856] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   66.583105] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f899e9de6d4
[   66.590349] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   66.602295] batman_adv: batadv0: Adding interface: bond0
[   66.607936] 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.
[   66.633486] batman_adv: batadv0: Interface activated: bond0
[   66.639941] FAULT_INJECTION: forcing a failure.
[   66.639941] name failslab, interval 1, probability 0, space 0, times 0
[   66.654884] CPU: 1 PID: 6948 Comm: syz-executor.0 Not tainted 4.14.158-syzkaller #0
[   66.662683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   66.672029] Call Trace:
[   66.674606]  dump_stack+0xf7/0x13b
[   66.678125]  should_fail.cold.3+0x105/0x14b
[   66.682465]  should_failslab+0xba/0xf0
[   66.686332]  kmem_cache_alloc+0x2cf/0x790
[   66.690454]  ? memcpy+0x45/0x50
[   66.693711]  ? kstrdup+0x42/0x60
[   66.697055]  __kernfs_new_node+0x63/0x3e0
[   66.701177]  ? lock_downgrade+0x7f0/0x7f0
[   66.705302]  kernfs_new_node+0x5e/0xe0
[   66.709163]  kernfs_create_link+0x25/0x130
[   66.713373]  sysfs_do_create_link_sd.isra.2+0x7d/0xf0
[   66.718562]  sysfs_create_link+0x43/0xb0
[   66.722600]  netdev_adjacent_sysfs_add+0x94/0xb0
[   66.727333]  ? napi_disable+0x80/0x80
[   66.731109]  __netdev_adjacent_dev_insert+0x46d/0x7b0
[   66.736287]  __netdev_upper_dev_link+0x174/0x1f0
[   66.741035]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   66.745781]  netdev_master_upper_dev_link+0x14/0x20
[   66.750775]  batadv_hardif_enable_interface+0x1af/0x990
[   66.756124]  batadv_softif_slave_add+0x82/0xe0
[   66.760684]  do_set_master+0x163/0x1f0
[   66.764551]  do_setlink+0x9dd/0x2c50
[   66.768242]  ? find_held_lock+0x36/0x1d0
[   66.772281]  ? rtnl_register+0x20/0x20
[   66.776148]  ? load_balance+0x9c5/0x2190
[   66.780242]  ? lock_downgrade+0x7f0/0x7f0
[   66.784367]  ? lock_pin_lock+0x340/0x340
[   66.788408]  ? __lock_acquire+0x6a4/0x4500
[   66.792631]  ? trace_hardirqs_off+0x10/0x10
[   66.796934]  rtnl_newlink+0xe0c/0x1390
[   66.800810]  ? rtnl_link_unregister+0x270/0x270
[   66.805462]  ? finish_task_switch+0x178/0x650
[   66.809928]  ? finish_task_switch+0x14d/0x650
[   66.814404]  ? find_held_lock+0x36/0x1d0
[   66.818453]  ? __mutex_lock+0x8b7/0x14c0
[   66.822511]  ? lock_downgrade+0x7f0/0x7f0
[   66.826638]  ? do_raw_spin_unlock+0x161/0x250
[   66.831176]  rtnetlink_rcv_msg+0x34f/0x9d0
[   66.835389]  ? rtnl_bridge_getlink+0x760/0x760
[   66.839956]  ? find_held_lock+0x36/0x1d0
[   66.843996]  netlink_rcv_skb+0x133/0x370
[   66.848037]  ? rtnl_bridge_getlink+0x760/0x760
[   66.852604]  ? netlink_ack+0xa00/0xa00
[   66.856471]  ? netlink_deliver_tap+0x8e/0x920
[   66.860946]  rtnetlink_rcv+0x10/0x20
[   66.864640]  netlink_unicast+0x40d/0x5f0
[   66.868696]  ? netlink_attachskb+0x6e0/0x6e0
[   66.873082]  netlink_sendmsg+0x730/0xbd0
[   66.877207]  ? netlink_unicast+0x5f0/0x5f0
[   66.881419]  ? selinux_socket_sendmsg+0x31/0x40
[   66.886065]  ? security_socket_sendmsg+0x6a/0xa0
[   66.890794]  ? netlink_unicast+0x5f0/0x5f0
[   66.895014]  sock_sendmsg+0xb5/0xf0
[   66.898665]  ___sys_sendmsg+0x625/0x920
[   66.902671]  ? trace_hardirqs_off+0x10/0x10
[   66.907025]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   66.911761]  ? find_held_lock+0x36/0x1d0
[   66.915808]  ? lock_downgrade+0x7f0/0x7f0
[   66.919934]  ? __fget+0x1ca/0x2f0
[   66.923362]  ? __fget_light+0x166/0x200
[   66.927344]  ? __fdget+0xe/0x10
[   66.930604]  ? sockfd_lookup_light+0x1c/0x150
[   66.935075]  __sys_sendmsg+0xc1/0x140
[   66.938850]  ? SyS_shutdown+0x180/0x180
[   66.942802]  ? __sb_end_write+0xa4/0xd0
[   66.946760]  ? mutex_unlock+0xd/0x10
[   66.950458]  ? do_syscall_64+0x4c/0x5b0
[   66.954412]  ? __sys_sendmsg+0x140/0x140
[   66.958463]  SyS_sendmsg+0xd/0x20
[   66.961890]  do_syscall_64+0x1c7/0x5b0
[   66.965754]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   66.970575]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   66.975736] RIP: 0033:0x459ef9
[   66.978902] RSP: 002b:00007f7ed33cac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   66.986590] RAX: ffffffffffffffda RBX: 00007f7ed33cac90 RCX: 0000000000459ef9
[   66.993839] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   67.001090] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   67.008340] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ed33cb6d4
[   67.015647] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   67.024374] device bridge_slave_1 left promiscuous mode
[   67.029911] bridge0: port 2(bridge_slave_1) entered disabled state
[   67.036344] FAULT_INJECTION: forcing a failure.
[   67.036344] name failslab, interval 1, probability 0, space 0, times 0
[   67.047713] CPU: 1 PID: 6958 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0
[   67.055500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   67.064847] Call Trace:
[   67.067523]  dump_stack+0xf7/0x13b
[   67.071057]  should_fail.cold.3+0x105/0x14b
[   67.075383]  should_failslab+0xba/0xf0
[   67.075407]  kmem_cache_alloc_node+0x56/0x790
[   67.075416]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[   67.075429]  __alloc_skb+0x92/0x500
[   67.075434]  ? skb_trim+0x160/0x160
[   67.096216]  ? br_switchdev_set_port_flag+0x1e0/0x1e0
[   67.101404]  ? __lock_is_held+0xb5/0x140
[   67.105457]  fdb_notify+0x88/0x130
[   67.108976]  fdb_delete+0x129/0x3a0
[   67.112578]  br_fdb_delete_by_port+0x163/0x1d0
[   67.117139]  br_stp_disable_port+0xeb/0x150
[   67.121443]  del_nbp+0x119/0x8b0
[   67.124792]  br_del_if+0xc7/0x470
[   67.128228]  br_del_slave+0x10/0x20
[   67.131831]  do_set_master+0xb6/0x1f0
[   67.135610]  do_setlink+0x9dd/0x2c50
[   67.139390]  ? trace_hardirqs_off+0x10/0x10
[   67.143693]  ? lock_downgrade+0x7f0/0x7f0
[   67.147826]  ? trace_hardirqs_off+0x10/0x10
[   67.152130]  ? rtnl_register+0x20/0x20
[   67.156019]  ? trace_hardirqs_off+0x10/0x10
[   67.160316]  ? __lock_is_held+0xb5/0x140
[   67.164366]  ? find_held_lock+0x36/0x1d0
[   67.168405]  ? __lock_acquire+0x6a4/0x4500
[   67.172718]  ? load_balance+0xb38/0x2190
[   67.176758]  ? lock_downgrade+0x7f0/0x7f0
[   67.180880]  ? lock_pin_lock+0x340/0x340
[   67.184940]  ? __lock_acquire+0x6a4/0x4500
[   67.189163]  ? trace_hardirqs_off+0x10/0x10
[   67.193468]  ? __lock_is_held+0xb5/0x140
[   67.197514]  rtnl_newlink+0xe0c/0x1390
[   67.201395]  ? trace_hardirqs_off+0x10/0x10
[   67.205704]  ? memset+0x31/0x40
[   67.208962]  ? rtnl_newlink+0x6d0/0x1390
[   67.213004]  ? rtnl_link_unregister+0x270/0x270
[   67.217649]  ? finish_task_switch+0x178/0x650
[   67.222129]  ? finish_task_switch+0x14d/0x650
[   67.226774]  ? find_held_lock+0x36/0x1d0
[   67.230826]  ? __mutex_lock+0x8b7/0x14c0
[   67.234877]  ? lock_downgrade+0x7f0/0x7f0
[   67.239004]  ? do_raw_spin_unlock+0x161/0x250
[   67.243507]  rtnetlink_rcv_msg+0x34f/0x9d0
[   67.247739]  ? rtnl_bridge_getlink+0x760/0x760
[   67.252299]  ? find_held_lock+0x36/0x1d0
[   67.256344]  netlink_rcv_skb+0x133/0x370
[   67.260441]  ? rtnl_bridge_getlink+0x760/0x760
[   67.265005]  ? netlink_ack+0xa00/0xa00
[   67.268868]  ? netlink_deliver_tap+0x8e/0x920
[   67.273342]  rtnetlink_rcv+0x10/0x20
[   67.277032]  netlink_unicast+0x40d/0x5f0
[   67.281082]  ? netlink_attachskb+0x6e0/0x6e0
[   67.285469]  netlink_sendmsg+0x730/0xbd0
[   67.289510]  ? netlink_unicast+0x5f0/0x5f0
[   67.293725]  ? selinux_socket_sendmsg+0x31/0x40
[   67.298375]  ? security_socket_sendmsg+0x6a/0xa0
[   67.303111]  ? netlink_unicast+0x5f0/0x5f0
[   67.307322]  sock_sendmsg+0xb5/0xf0
[   67.310930]  ___sys_sendmsg+0x625/0x920
[   67.314884]  ? trace_hardirqs_off+0x10/0x10
[   67.319178]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   67.323909]  ? find_held_lock+0x36/0x1d0
[   67.327955]  ? lock_downgrade+0x7f0/0x7f0
[   67.332106]  ? __fget+0x1ca/0x2f0
[   67.335544]  ? __fget_light+0x166/0x200
[   67.339493]  ? __fdget+0xe/0x10
[   67.342757]  ? sockfd_lookup_light+0x1c/0x150
[   67.347230]  __sys_sendmsg+0xc1/0x140
[   67.351004]  ? SyS_shutdown+0x180/0x180
[   67.354954]  ? __sb_end_write+0xa4/0xd0
[   67.358907]  ? mutex_unlock+0xd/0x10
[   67.362603]  ? do_syscall_64+0x4c/0x5b0
[   67.366564]  ? __sys_sendmsg+0x140/0x140
[   67.370607]  SyS_sendmsg+0xd/0x20
[   67.374034]  do_syscall_64+0x1c7/0x5b0
[   67.377904]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   67.382731]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   67.387908] RIP: 0033:0x459ef9
[   67.391083] RSP: 002b:00007f8a64537c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   67.398768] RAX: ffffffffffffffda RBX: 00007f8a64537c90 RCX: 0000000000459ef9
[   67.406010] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   67.413305] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   67.420559] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8a645386d4
[   67.427838] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   67.462864] batman_adv: batadv0: Adding interface: bridge_slave_1
[   67.469217] 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.
[   67.494493] batman_adv: batadv0: Interface activated: bridge_slave_1
[   67.501712] FAULT_INJECTION: forcing a failure.
[   67.501712] name failslab, interval 1, probability 0, space 0, times 0
[   67.513342] CPU: 1 PID: 6957 Comm: syz-executor.4 Not tainted 4.14.158-syzkaller #0
[   67.521132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   67.521136] Call Trace:
[   67.521148]  dump_stack+0xf7/0x13b
[   67.521158]  should_fail.cold.3+0x105/0x14b
[   67.521168]  should_failslab+0xba/0xf0
[   67.521176]  kmem_cache_alloc_node+0x287/0x790
[   67.521190]  __alloc_skb+0x92/0x500
[   67.521195]  ? skb_trim+0x160/0x160
[   67.521204]  ? if_nlmsg_size+0x2d9/0x6f0
[   67.521212]  rtmsg_ifinfo_build_skb+0x68/0x120
[   67.521220]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   67.521225]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   67.521230]  rtnetlink_event+0xc2/0x110
[   67.521238]  notifier_call_chain+0xd6/0x150
[   67.521247]  raw_notifier_call_chain+0x11/0x20
[   67.521254]  call_netdevice_notifiers_info+0x4b/0x60
[   67.521259]  __netdev_upper_dev_link+0x18e/0x1f0
[   67.521265]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   67.521274]  netdev_master_upper_dev_link+0x14/0x20
[   67.521280]  batadv_hardif_enable_interface+0x1af/0x990
[   67.521290]  batadv_softif_slave_add+0x82/0xe0
[   67.521297]  do_set_master+0x163/0x1f0
[   67.521303]  do_setlink+0x9dd/0x2c50
[   67.533217]  ? rtnl_register+0x20/0x20
[   67.533237]  ? __lock_acquire+0x6a4/0x4500
[   67.533254]  ? trace_hardirqs_off+0x10/0x10
[   67.533259]  ? trace_hardirqs_off+0x10/0x10
[   67.533272]  rtnl_newlink+0xe0c/0x1390
[   67.645379]  ? rtnl_link_unregister+0x270/0x270
[   67.650038]  ? finish_task_switch+0x178/0x650
[   67.654513]  ? finish_task_switch+0x14d/0x650
[   67.658986]  ? find_held_lock+0x36/0x1d0
[   67.663031]  ? __mutex_lock+0x8b7/0x14c0
[   67.667066]  ? lock_downgrade+0x7f0/0x7f0
[   67.671189]  ? do_raw_spin_unlock+0x161/0x250
[   67.675672]  rtnetlink_rcv_msg+0x34f/0x9d0
[   67.679884]  ? rtnl_bridge_getlink+0x760/0x760
[   67.684442]  ? find_held_lock+0x36/0x1d0
[   67.688560]  netlink_rcv_skb+0x133/0x370
[   67.692640]  ? rtnl_bridge_getlink+0x760/0x760
[   67.697245]  ? netlink_ack+0xa00/0xa00
[   67.701107]  ? netlink_deliver_tap+0x8e/0x920
[   67.705577]  rtnetlink_rcv+0x10/0x20
[   67.709267]  netlink_unicast+0x40d/0x5f0
[   67.713306]  ? netlink_attachskb+0x6e0/0x6e0
[   67.717688]  netlink_sendmsg+0x730/0xbd0
[   67.721730]  ? netlink_unicast+0x5f0/0x5f0
[   67.725945]  ? selinux_socket_sendmsg+0x31/0x40
[   67.730585]  ? security_socket_sendmsg+0x6a/0xa0
[   67.735314]  ? netlink_unicast+0x5f0/0x5f0
[   67.739521]  sock_sendmsg+0xb5/0xf0
[   67.743120]  ___sys_sendmsg+0x625/0x920
[   67.747139]  ? trace_hardirqs_off+0x10/0x10
[   67.751452]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   67.756181]  ? find_held_lock+0x36/0x1d0
[   67.760219]  ? lock_downgrade+0x7f0/0x7f0
[   67.764350]  ? __fget+0x1ca/0x2f0
[   67.767787]  ? __fget_light+0x166/0x200
[   67.771738]  ? __fdget+0xe/0x10
[   67.774997]  ? sockfd_lookup_light+0x1c/0x150
[   67.779499]  __sys_sendmsg+0xc1/0x140
[   67.783281]  ? SyS_shutdown+0x180/0x180
[   67.787227]  ? __sb_end_write+0xa4/0xd0
[   67.791186]  ? mutex_unlock+0xd/0x10
[   67.794904]  ? do_syscall_64+0x4c/0x5b0
[   67.798862]  ? __sys_sendmsg+0x140/0x140
[   67.802900]  SyS_sendmsg+0xd/0x20
[   67.806333]  do_syscall_64+0x1c7/0x5b0
[   67.810209]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   67.815037]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   67.820210] RIP: 0033:0x459ef9
[   67.823383] RSP: 002b:00007fc87feaec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   67.831083] RAX: ffffffffffffffda RBX: 00007fc87feaec90 RCX: 0000000000459ef9
[   67.838330] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   67.845666] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   67.852917] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc87feaf6d4
[   67.860171] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   67.869109] batman_adv: batadv0: Adding interface: team0
[   67.874609] 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.
[   67.899034] batman_adv: batadv0: Interface activated: team0
[   67.906369] FAULT_INJECTION: forcing a failure.
2019/12/13 15:28:14 executed programs: 56
[   67.906369] name failslab, interval 1, probability 0, space 0, times 0
[   67.935964] CPU: 1 PID: 6964 Comm: syz-executor.1 Not tainted 4.14.158-syzkaller #0
[   67.943770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   67.953103] Call Trace:
[   67.955669]  dump_stack+0xf7/0x13b
[   67.959203]  should_fail.cold.3+0x105/0x14b
[   67.963525]  should_failslab+0xba/0xf0
[   67.967411]  kmem_cache_alloc_node+0x287/0x790
[   67.971983]  __alloc_skb+0x92/0x500
[   67.975719]  ? skb_trim+0x160/0x160
[   67.979332]  ? if_nlmsg_size+0x2d9/0x6f0
[   67.984103]  rtmsg_ifinfo_build_skb+0x68/0x120
[   67.988673]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   67.993496]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   67.998450]  rtnetlink_event+0xc2/0x110
[   68.002404]  notifier_call_chain+0xd6/0x150
[   68.006704]  raw_notifier_call_chain+0x11/0x20
[   68.011268]  call_netdevice_notifiers_info+0x4b/0x60
[   68.016347]  __netdev_upper_dev_link+0x18e/0x1f0
[   68.021089]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   68.025822]  netdev_master_upper_dev_link+0x14/0x20
[   68.030822]  batadv_hardif_enable_interface+0x1af/0x990
[   68.036172]  batadv_softif_slave_add+0x82/0xe0
[   68.040742]  do_set_master+0x163/0x1f0
[   68.044619]  do_setlink+0x9dd/0x2c50
[   68.048311]  ? rtnl_register+0x20/0x20
[   68.052185]  ? trace_hardirqs_on+0x10/0x10
[   68.056399]  ? trace_hardirqs_off+0x10/0x10
[   68.060704]  ? find_held_lock+0x36/0x1d0
[   68.064837]  ? find_held_lock+0x36/0x1d0
[   68.068878]  ? free_one_page+0x9c4/0x1050
[   68.073126]  ? lock_downgrade+0x7f0/0x7f0
[   68.077249]  ? __this_cpu_preempt_check+0x13/0x20
[   68.082072]  ? do_raw_spin_unlock+0x161/0x250
[   68.086552]  rtnl_newlink+0xe0c/0x1390
[   68.090433]  ? rtnl_link_unregister+0x270/0x270
[   68.095115]  ? finish_task_switch+0x448/0x650
[   68.099597]  ? find_held_lock+0x36/0x1d0
[   68.103640]  ? __mutex_lock+0x8b7/0x14c0
[   68.108645]  ? lock_downgrade+0x7f0/0x7f0
[   68.112793]  ? do_raw_spin_unlock+0x161/0x250
[   68.117356]  rtnetlink_rcv_msg+0x34f/0x9d0
[   68.121588]  ? rtnl_bridge_getlink+0x760/0x760
[   68.126186]  ? find_held_lock+0x36/0x1d0
[   68.130236]  netlink_rcv_skb+0x133/0x370
[   68.134280]  ? rtnl_bridge_getlink+0x760/0x760
[   68.138837]  ? netlink_ack+0xa00/0xa00
[   68.142703]  ? netlink_deliver_tap+0x8e/0x920
[   68.147189]  rtnetlink_rcv+0x10/0x20
[   68.150879]  netlink_unicast+0x40d/0x5f0
[   68.154921]  ? netlink_attachskb+0x6e0/0x6e0
[   68.159320]  netlink_sendmsg+0x730/0xbd0
[   68.163362]  ? netlink_unicast+0x5f0/0x5f0
[   68.167574]  ? selinux_socket_sendmsg+0x31/0x40
[   68.172273]  ? security_socket_sendmsg+0x6a/0xa0
[   68.177012]  ? netlink_unicast+0x5f0/0x5f0
[   68.181221]  sock_sendmsg+0xb5/0xf0
[   68.184823]  ___sys_sendmsg+0x625/0x920
[   68.188772]  ? trace_hardirqs_off+0x10/0x10
[   68.193076]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   68.197807]  ? find_held_lock+0x36/0x1d0
[   68.201848]  ? lock_downgrade+0x7f0/0x7f0
[   68.205976]  ? __fget+0x1ca/0x2f0
[   68.209404]  ? __fget_light+0x166/0x200
[   68.213357]  ? __fdget+0xe/0x10
[   68.216628]  ? sockfd_lookup_light+0x1c/0x150
[   68.221119]  __sys_sendmsg+0xc1/0x140
[   68.224902]  ? SyS_shutdown+0x180/0x180
[   68.228859]  ? __sb_end_write+0xa4/0xd0
[   68.232811]  ? mutex_unlock+0xd/0x10
[   68.236510]  ? do_syscall_64+0x4c/0x5b0
[   68.240469]  ? __sys_sendmsg+0x140/0x140
[   68.244518]  SyS_sendmsg+0xd/0x20
[   68.247952]  do_syscall_64+0x1c7/0x5b0
[   68.251852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   68.256673]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   68.261836] RIP: 0033:0x459ef9
[   68.265024] RSP: 002b:00007f899e9ddc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   68.272801] RAX: ffffffffffffffda RBX: 00007f899e9ddc90 RCX: 0000000000459ef9
[   68.280048] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   68.287295] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   68.294594] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f899e9de6d4
[   68.301842] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   68.311119] batman_adv: batadv0: Adding interface: dummy0
[   68.316668] 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.
[   68.341210] batman_adv: batadv0: Interface activated: dummy0
[   68.347514] FAULT_INJECTION: forcing a failure.
[   68.347514] name failslab, interval 1, probability 0, space 0, times 0
[   68.364674] CPU: 1 PID: 6967 Comm: syz-executor.2 Not tainted 4.14.158-syzkaller #0
[   68.372494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   68.381834] Call Trace:
[   68.384402]  dump_stack+0xf7/0x13b
[   68.387932]  should_fail.cold.3+0x105/0x14b
[   68.392536]  should_failslab+0xba/0xf0
[   68.396411]  __kmalloc_track_caller+0x2e4/0x7a0
[   68.401065]  ? find_held_lock+0x36/0x1d0
[   68.405103]  ? kstrdup_const+0x1f/0x30
[   68.408972]  kstrdup+0x2c/0x60
[   68.412232]  kstrdup_const+0x1f/0x30
[   68.415926]  __kernfs_new_node+0x27/0x3e0
[   68.420083]  ? lock_downgrade+0x7f0/0x7f0
[   68.424209]  kernfs_new_node+0x5e/0xe0
[   68.428072]  kernfs_create_link+0x25/0x130
[   68.432293]  sysfs_do_create_link_sd.isra.2+0x7d/0xf0
[   68.437462]  sysfs_create_link+0x43/0xb0
[   68.441502]  netdev_adjacent_sysfs_add+0x94/0xb0
[   68.446244]  ? napi_disable+0x80/0x80
[   68.450041]  __netdev_adjacent_dev_insert+0x46d/0x7b0
[   68.455216]  __netdev_upper_dev_link+0x174/0x1f0
[   68.459946]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   68.464680]  netdev_master_upper_dev_link+0x14/0x20
[   68.469680]  batadv_hardif_enable_interface+0x1af/0x990
[   68.475040]  batadv_softif_slave_add+0x82/0xe0
[   68.479604]  do_set_master+0x163/0x1f0
[   68.483474]  do_setlink+0x9dd/0x2c50
[   68.487164]  ? find_held_lock+0x36/0x1d0
[   68.491202]  ? rtnl_register+0x20/0x20
[   68.495071]  ? load_balance+0xb38/0x2190
[   68.499106]  ? lock_downgrade+0x7f0/0x7f0
[   68.503230]  ? lock_pin_lock+0x340/0x340
[   68.507271]  ? __lock_acquire+0x6a4/0x4500
[   68.511484]  ? trace_hardirqs_off+0x10/0x10
[   68.515792]  ? __lock_is_held+0xb5/0x140
[   68.519828]  ? trace_hardirqs_off+0x10/0x10
[   68.524141]  rtnl_newlink+0xe0c/0x1390
[   68.528007]  ? rtnl_link_unregister+0x270/0x270
[   68.532651]  ? finish_task_switch+0x178/0x650
[   68.537119]  ? finish_task_switch+0x14d/0x650
[   68.541596]  ? find_held_lock+0x36/0x1d0
[   68.545642]  ? __mutex_lock+0x8b7/0x14c0
[   68.549678]  ? lock_downgrade+0x7f0/0x7f0
[   68.553804]  ? do_raw_spin_unlock+0x161/0x250
[   68.558297]  rtnetlink_rcv_msg+0x34f/0x9d0
[   68.562521]  ? rtnl_bridge_getlink+0x760/0x760
[   68.567100]  ? find_held_lock+0x36/0x1d0
[   68.571152]  netlink_rcv_skb+0x133/0x370
[   68.575187]  ? rtnl_bridge_getlink+0x760/0x760
[   68.579750]  ? netlink_ack+0xa00/0xa00
[   68.583627]  ? netlink_deliver_tap+0x8e/0x920
[   68.588098]  rtnetlink_rcv+0x10/0x20
[   68.591784]  netlink_unicast+0x40d/0x5f0
[   68.595820]  ? netlink_attachskb+0x6e0/0x6e0
[   68.600205]  netlink_sendmsg+0x730/0xbd0
[   68.604260]  ? netlink_unicast+0x5f0/0x5f0
[   68.608487]  ? selinux_socket_sendmsg+0x31/0x40
[   68.613132]  ? security_socket_sendmsg+0x6a/0xa0
[   68.617873]  ? netlink_unicast+0x5f0/0x5f0
[   68.622084]  sock_sendmsg+0xb5/0xf0
[   68.625695]  ___sys_sendmsg+0x625/0x920
[   68.629679]  ? trace_hardirqs_off+0x10/0x10
[   68.633981]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   68.638729]  ? find_held_lock+0x36/0x1d0
[   68.642772]  ? lock_downgrade+0x7f0/0x7f0
[   68.646904]  ? __fget+0x1ca/0x2f0
[   68.650352]  ? __fget_light+0x166/0x200
[   68.654301]  ? __fdget+0xe/0x10
[   68.657558]  ? sockfd_lookup_light+0x1c/0x150
[   68.662033]  __sys_sendmsg+0xc1/0x140
[   68.665822]  ? SyS_shutdown+0x180/0x180
[   68.669778]  ? __sb_end_write+0xa4/0xd0
[   68.673736]  ? mutex_unlock+0xd/0x10
[   68.677440]  ? do_syscall_64+0x4c/0x5b0
[   68.681520]  ? __sys_sendmsg+0x140/0x140
[   68.685566]  SyS_sendmsg+0xd/0x20
[   68.688996]  do_syscall_64+0x1c7/0x5b0
[   68.692857]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   68.697689]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   68.702909] RIP: 0033:0x459ef9
[   68.706076] RSP: 002b:00007f9d04662c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   68.713806] RAX: ffffffffffffffda RBX: 00007f9d04662c90 RCX: 0000000000459ef9
[   68.721055] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   68.728303] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   68.735554] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9d046636d4
[   68.742798] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   68.758364] FAULT_INJECTION: forcing a failure.
[   68.758364] name failslab, interval 1, probability 0, space 0, times 0
[   68.774701] CPU: 0 PID: 6973 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0
[   68.782514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   68.791860] Call Trace:
[   68.794446]  dump_stack+0xf7/0x13b
[   68.797982]  should_fail.cold.3+0x105/0x14b
[   68.802299]  should_failslab+0xba/0xf0
[   68.806164]  kmem_cache_alloc_node+0x287/0x790
[   68.810766]  __alloc_skb+0x92/0x500
[   68.814378]  ? skb_trim+0x160/0x160
[   68.817981]  ? if_nlmsg_size+0x2d9/0x6f0
[   68.822019]  rtmsg_ifinfo_build_skb+0x68/0x120
[   68.826580]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   68.831404]  rtmsg_ifinfo+0x4a/0x70
[   68.835014]  bond_upper_dev_unlink.isra.45+0x95/0xc0
[   68.840098]  __bond_release_one+0x2c2/0x1370
[   68.844502]  ? bond_enslave+0x4a80/0x4a80
[   68.848628]  ? cpumask_next+0x21/0x30
[   68.852418]  ? cpumask_next_and+0x4d/0x90
[   68.856560]  ? find_busiest_group+0x374/0x2b00
[   68.861245]  ? __lock_acquire+0x6a4/0x4500
[   68.865466]  bond_release+0xd/0x10
[   68.868983]  do_set_master+0xb6/0x1f0
[   68.872767]  do_setlink+0x9dd/0x2c50
[   68.876465]  ? __lock_acquire+0x6a4/0x4500
[   68.880676]  ? rtnl_register+0x20/0x20
[   68.884542]  ? __lock_acquire+0x6a4/0x4500
[   68.888770]  ? __lock_acquire+0x6a4/0x4500
[   68.892997]  ? trace_hardirqs_off+0x10/0x10
[   68.897309]  rtnl_newlink+0xe0c/0x1390
[   68.901174]  ? memset+0x31/0x40
[   68.904430]  ? rtnl_newlink+0x6d0/0x1390
[   68.908468]  ? rtnl_link_unregister+0x270/0x270
[   68.913120]  ? finish_task_switch+0x178/0x650
[   68.917599]  ? finish_task_switch+0x14d/0x650
[   68.922069]  ? find_held_lock+0x36/0x1d0
[   68.926121]  ? __mutex_lock+0x8b7/0x14c0
[   68.930164]  ? lock_downgrade+0x7f0/0x7f0
[   68.934298]  ? do_raw_spin_unlock+0x161/0x250
[   68.938807]  rtnetlink_rcv_msg+0x34f/0x9d0
[   68.943023]  ? rtnl_bridge_getlink+0x760/0x760
[   68.947586]  ? find_held_lock+0x36/0x1d0
[   68.951906]  netlink_rcv_skb+0x133/0x370
[   68.955952]  ? rtnl_bridge_getlink+0x760/0x760
[   68.960511]  ? netlink_ack+0xa00/0xa00
[   68.964379]  ? netlink_deliver_tap+0x8e/0x920
[   68.968861]  rtnetlink_rcv+0x10/0x20
[   68.972557]  netlink_unicast+0x40d/0x5f0
[   68.976615]  ? netlink_attachskb+0x6e0/0x6e0
[   68.981008]  netlink_sendmsg+0x730/0xbd0
[   68.985047]  ? netlink_unicast+0x5f0/0x5f0
[   68.989262]  ? selinux_socket_sendmsg+0x31/0x40
[   68.993913]  ? security_socket_sendmsg+0x6a/0xa0
[   68.998659]  ? netlink_unicast+0x5f0/0x5f0
[   69.002959]  sock_sendmsg+0xb5/0xf0
[   69.006573]  ___sys_sendmsg+0x625/0x920
[   69.010529]  ? trace_hardirqs_off+0x10/0x10
[   69.014834]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   69.019575]  ? find_held_lock+0x36/0x1d0
[   69.023728]  ? lock_downgrade+0x7f0/0x7f0
[   69.027900]  ? __fget+0x1ca/0x2f0
[   69.031347]  ? __fget_light+0x166/0x200
[   69.035316]  ? __fdget+0xe/0x10
[   69.038571]  ? sockfd_lookup_light+0x1c/0x150
[   69.043040]  __sys_sendmsg+0xc1/0x140
[   69.046814]  ? SyS_shutdown+0x180/0x180
[   69.050778]  ? __sb_end_write+0xa4/0xd0
[   69.054738]  ? mutex_unlock+0xd/0x10
[   69.058436]  ? do_syscall_64+0x4c/0x5b0
[   69.062386]  ? __sys_sendmsg+0x140/0x140
[   69.066468]  SyS_sendmsg+0xd/0x20
[   69.069911]  do_syscall_64+0x1c7/0x5b0
[   69.073776]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   69.078691]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   69.083859] RIP: 0033:0x459ef9
[   69.087083] RSP: 002b:00007f8a64537c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   69.094829] RAX: ffffffffffffffda RBX: 00007f8a64537c90 RCX: 0000000000459ef9
[   69.102196] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   69.109451] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   69.116743] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8a645386d4
[   69.124001] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   69.132962] bond0: Releasing backup interface bond_slave_0
[   69.154790] batman_adv: batadv0: Adding interface: bond_slave_0
[   69.160989] 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.
[   69.186346] batman_adv: batadv0: Not using interface bond_slave_0 (retrying later): interface not active
[   69.272402] FAULT_INJECTION: forcing a failure.
[   69.272402] name failslab, interval 1, probability 0, space 0, times 0
[   69.300615] CPU: 0 PID: 7003 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0
[   69.309388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   69.318723] Call Trace:
[   69.321292]  dump_stack+0xf7/0x13b
[   69.324820]  should_fail.cold.3+0x105/0x14b
[   69.329153]  should_failslab+0xba/0xf0
[   69.333113]  kmem_cache_alloc_node_trace+0x5a/0x780
[   69.338137]  __kmalloc_node_track_caller+0x3c/0x70
[   69.343060]  __kmalloc_reserve.isra.36+0x2c/0xc0
[   69.347916]  pskb_expand_head+0x106/0xc20
[   69.352070]  ? kasan_kmalloc+0xc7/0xe0
[   69.355966]  netlink_trim+0x18f/0x200
[   69.359764]  netlink_broadcast_filtered+0x57/0x8f0
[   69.364679]  ? __alloc_skb+0x308/0x500
[   69.368551]  nlmsg_notify+0x6b/0x120
[   69.372285]  rtmsg_ifinfo_event.part.27+0x7a/0xb0
[   69.377135]  rtnetlink_event+0xc2/0x110
[   69.381100]  notifier_call_chain+0xd6/0x150
[   69.385409]  raw_notifier_call_chain+0x11/0x20
[   69.389977]  call_netdevice_notifiers_info+0x4b/0x60
[   69.395061]  netdev_upper_dev_unlink+0xab/0xe0
[   69.399626]  ? __netdev_adjacent_dev_unlink_neighbour+0x30/0x30
[   69.405787]  bond_upper_dev_unlink.isra.45+0x33/0xc0
[   69.410881]  __bond_release_one+0x2c2/0x1370
[   69.415281]  ? __lock_is_held+0xb5/0x140
[   69.419328]  ? bond_enslave+0x4a80/0x4a80
[   69.423454]  ? match_held_lock+0x1/0x740
[   69.427503]  ? __lock_acquire+0x6a4/0x4500
[   69.431730]  ? find_held_lock+0x36/0x1d0
[   69.435778]  bond_release+0xd/0x10
[   69.439298]  do_set_master+0xb6/0x1f0
[   69.443091]  do_setlink+0x9dd/0x2c50
[   69.446794]  ? rtnl_register+0x20/0x20
[   69.450671]  ? trace_hardirqs_off+0x10/0x10
[   69.454979]  ? find_held_lock+0x36/0x1d0
[   69.459017]  ? is_bpf_text_address+0x60/0xe0
[   69.463399]  ? lock_downgrade+0x7f0/0x7f0
[   69.467525]  ? __lock_acquire+0x6a4/0x4500
[   69.471745]  ? __lock_acquire+0x6a4/0x4500
[   69.475960]  ? __kernel_text_address+0xd/0x40
[   69.480439]  ? unwind_get_return_address+0x61/0xa0
[   69.485350]  ? __save_stack_trace+0x7e/0xd0
[   69.489658]  rtnl_newlink+0xe0c/0x1390
[   69.493528]  ? memset+0x31/0x40
[   69.496790]  ? rtnl_newlink+0x6d0/0x1390
[   69.500967]  ? save_stack_trace+0x16/0x20
[   69.505100]  ? save_stack+0x43/0xd0
[   69.508719]  ? rtnl_link_unregister+0x270/0x270
[   69.513380]  ? avc_has_perm_noaudit+0x236/0x400
[   69.518035]  ? lock_downgrade+0x7f0/0x7f0
[   69.522165]  ? rtnetlink_rcv_msg+0x2c1/0x9d0
[   69.526552]  ? lock_acquire+0x173/0x400
[   69.530510]  ? rtnetlink_rcv_msg+0x2c1/0x9d0
[   69.534905]  ? rtnetlink_rcv_msg+0x2c1/0x9d0
[   69.539306]  rtnetlink_rcv_msg+0x34f/0x9d0
[   69.543522]  ? rtnl_bridge_getlink+0x760/0x760
[   69.548086]  ? find_held_lock+0x36/0x1d0
[   69.552136]  netlink_rcv_skb+0x133/0x370
[   69.556276]  ? rtnl_bridge_getlink+0x760/0x760
[   69.560849]  ? netlink_ack+0xa00/0xa00
[   69.564720]  ? netlink_deliver_tap+0x8e/0x920
[   69.569201]  rtnetlink_rcv+0x10/0x20
[   69.572899]  netlink_unicast+0x40d/0x5f0
[   69.576948]  ? netlink_attachskb+0x6e0/0x6e0
[   69.581433]  netlink_sendmsg+0x730/0xbd0
[   69.585473]  ? netlink_unicast+0x5f0/0x5f0
[   69.589687]  ? selinux_socket_sendmsg+0x31/0x40
[   69.594347]  ? security_socket_sendmsg+0x6a/0xa0
[   69.599089]  ? netlink_unicast+0x5f0/0x5f0
[   69.603307]  sock_sendmsg+0xb5/0xf0
[   69.606917]  ___sys_sendmsg+0x625/0x920
[   69.610882]  ? trace_hardirqs_off+0x10/0x10
[   69.615201]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   69.619933]  ? find_held_lock+0x36/0x1d0
[   69.623974]  ? lock_downgrade+0x7f0/0x7f0
[   69.628110]  ? __fget+0x1ca/0x2f0
[   69.631550]  ? __fget_light+0x166/0x200
[   69.635517]  ? __fdget+0xe/0x10
[   69.638773]  ? sockfd_lookup_light+0x1c/0x150
[   69.643245]  __sys_sendmsg+0xc1/0x140
[   69.647021]  ? SyS_shutdown+0x180/0x180
[   69.650985]  ? __sb_end_write+0xa4/0xd0
[   69.654955]  ? mutex_unlock+0xd/0x10
[   69.658654]  ? do_syscall_64+0x4c/0x5b0
[   69.662609]  ? __sys_sendmsg+0x140/0x140
[   69.666654]  SyS_sendmsg+0xd/0x20
[   69.670090]  do_syscall_64+0x1c7/0x5b0
[   69.673958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   69.678777]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   69.683943] RIP: 0033:0x459ef9
[   69.687119] RSP: 002b:00007f8a64537c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   69.694805] RAX: ffffffffffffffda RBX: 00007f8a64537c90 RCX: 0000000000459ef9
[   69.702051] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   69.709294] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   69.716543] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8a645386d4
[   69.723792] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   69.735894] bond0: Releasing backup interface bond_slave_1
[   69.781908] batman_adv: batadv0: Adding interface: bond_slave_1
[   69.788066] 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.
[   69.813216] batman_adv: batadv0: Not using interface bond_slave_1 (retrying later): interface not active
[   69.823201] FAULT_INJECTION: forcing a failure.
[   69.823201] name failslab, interval 1, probability 0, space 0, times 0
[   69.858322] CPU: 1 PID: 7010 Comm: syz-executor.1 Not tainted 4.14.158-syzkaller #0
[   69.866159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   69.875505] Call Trace:
[   69.878099]  dump_stack+0xf7/0x13b
[   69.881632]  should_fail.cold.3+0x105/0x14b
[   69.885948]  should_failslab+0xba/0xf0
[   69.889818]  kmem_cache_alloc_node+0x287/0x790
[   69.894397]  __alloc_skb+0x92/0x500
[   69.897999]  ? skb_trim+0x160/0x160
[   69.901603]  ? if_nlmsg_size+0x2d9/0x6f0
[   69.905648]  rtmsg_ifinfo_build_skb+0x68/0x120
[   69.910212]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   69.915047]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   69.919959]  rtnetlink_event+0xc2/0x110
[   69.923917]  notifier_call_chain+0xd6/0x150
[   69.928239]  raw_notifier_call_chain+0x11/0x20
[   69.932808]  call_netdevice_notifiers_info+0x4b/0x60
[   69.937890]  __netdev_upper_dev_link+0x18e/0x1f0
[   69.942649]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   69.947397]  netdev_master_upper_dev_link+0x14/0x20
[   69.952403]  batadv_hardif_enable_interface+0x1af/0x990
[   69.957745]  batadv_softif_slave_add+0x82/0xe0
[   69.962304]  do_set_master+0x163/0x1f0
[   69.966169]  do_setlink+0x9dd/0x2c50
[   69.969868]  ? __lock_acquire+0x6a4/0x4500
[   69.974081]  ? trace_hardirqs_off+0x10/0x10
[   69.978477]  ? rtnl_register+0x20/0x20
[   69.982345]  ? trace_hardirqs_on+0x10/0x10
[   69.986558]  ? trace_hardirqs_off+0x10/0x10
[   69.990867]  ? __lock_acquire+0x6a4/0x4500
[   69.995129]  ? trace_hardirqs_off+0x10/0x10
[   69.999438]  ? __lock_is_held+0xb5/0x140
[   70.003475]  ? trace_hardirqs_off+0x10/0x10
[   70.007774]  ? trace_hardirqs_off+0x10/0x10
[   70.012078]  rtnl_newlink+0xe0c/0x1390
[   70.015946]  ? rtnl_link_unregister+0x270/0x270
[   70.020598]  ? finish_task_switch+0x178/0x650
[   70.025082]  ? finish_task_switch+0x14d/0x650
[   70.029558]  ? find_held_lock+0x36/0x1d0
[   70.033600]  ? __mutex_lock+0x8b7/0x14c0
[   70.037640]  ? lock_downgrade+0x7f0/0x7f0
[   70.041766]  ? do_raw_spin_unlock+0x161/0x250
[   70.046265]  rtnetlink_rcv_msg+0x34f/0x9d0
[   70.050476]  ? rtnl_bridge_getlink+0x760/0x760
[   70.055033]  ? find_held_lock+0x36/0x1d0
[   70.059075]  netlink_rcv_skb+0x133/0x370
[   70.063113]  ? rtnl_bridge_getlink+0x760/0x760
[   70.067678]  ? netlink_ack+0xa00/0xa00
[   70.071539]  ? netlink_deliver_tap+0x8e/0x920
[   70.076014]  rtnetlink_rcv+0x10/0x20
[   70.079704]  netlink_unicast+0x40d/0x5f0
[   70.083757]  ? netlink_attachskb+0x6e0/0x6e0
[   70.088155]  netlink_sendmsg+0x730/0xbd0
[   70.092258]  ? netlink_unicast+0x5f0/0x5f0
[   70.096473]  ? selinux_socket_sendmsg+0x31/0x40
[   70.101123]  ? security_socket_sendmsg+0x6a/0xa0
[   70.105920]  ? netlink_unicast+0x5f0/0x5f0
[   70.110141]  sock_sendmsg+0xb5/0xf0
[   70.113765]  ___sys_sendmsg+0x625/0x920
[   70.117715]  ? trace_hardirqs_off+0x10/0x10
[   70.122011]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   70.126750]  ? find_held_lock+0x36/0x1d0
[   70.130799]  ? lock_downgrade+0x7f0/0x7f0
[   70.134928]  ? __fget+0x1ca/0x2f0
[   70.138359]  ? __fget_light+0x166/0x200
[   70.142310]  ? __fdget+0xe/0x10
[   70.145565]  ? sockfd_lookup_light+0x1c/0x150
[   70.150042]  __sys_sendmsg+0xc1/0x140
[   70.153831]  ? SyS_shutdown+0x180/0x180
[   70.157787]  ? __sb_end_write+0xa4/0xd0
[   70.161740]  ? mutex_unlock+0xd/0x10
[   70.165440]  ? do_syscall_64+0x4c/0x5b0
[   70.169390]  ? __sys_sendmsg+0x140/0x140
[   70.173441]  SyS_sendmsg+0xd/0x20
[   70.177842]  do_syscall_64+0x1c7/0x5b0
[   70.181792]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   70.186653]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   70.191821] RIP: 0033:0x459ef9
[   70.194989] RSP: 002b:00007f899e9ddc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   70.202672] RAX: ffffffffffffffda RBX: 00007f899e9ddc90 RCX: 0000000000459ef9
[   70.209925] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   70.217191] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   70.224453] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f899e9de6d4
[   70.231715] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   70.242256] batman_adv: batadv0: Adding interface: veth0
[   70.247721] 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.
[   70.272191] batman_adv: batadv0: Interface activated: veth0
[   70.283176] FAULT_INJECTION: forcing a failure.
[   70.283176] name failslab, interval 1, probability 0, space 0, times 0
[   70.319453] CPU: 0 PID: 7017 Comm: syz-executor.0 Not tainted 4.14.158-syzkaller #0
[   70.328232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   70.337585] Call Trace:
[   70.340172]  dump_stack+0xf7/0x13b
[   70.343702]  should_fail.cold.3+0x105/0x14b
[   70.348015]  should_failslab+0xba/0xf0
[   70.351890]  kmem_cache_alloc_node+0x287/0x790
[   70.356464]  __alloc_skb+0x92/0x500
[   70.360071]  ? skb_trim+0x160/0x160
[   70.363674]  ? if_nlmsg_size+0x2d9/0x6f0
[   70.367711]  rtmsg_ifinfo_build_skb+0x68/0x120
[   70.372275]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   70.377101]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   70.382010]  rtnetlink_event+0xc2/0x110
[   70.385990]  notifier_call_chain+0xd6/0x150
[   70.390295]  raw_notifier_call_chain+0x11/0x20
[   70.394866]  call_netdevice_notifiers_info+0x4b/0x60
[   70.399959]  __netdev_upper_dev_link+0x18e/0x1f0
[   70.404722]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   70.409460]  netdev_master_upper_dev_link+0x14/0x20
[   70.414455]  batadv_hardif_enable_interface+0x1af/0x990
[   70.419801]  batadv_softif_slave_add+0x82/0xe0
[   70.424359]  do_set_master+0x163/0x1f0
[   70.428224]  do_setlink+0x9dd/0x2c50
[   70.432054]  ? __lock_acquire+0x6a4/0x4500
[   70.436273]  ? trace_hardirqs_off+0x10/0x10
[   70.440581]  ? rtnl_register+0x20/0x20
[   70.444454]  ? trace_hardirqs_on+0x10/0x10
[   70.448663]  ? trace_hardirqs_off+0x10/0x10
[   70.452968]  ? __lock_acquire+0x6a4/0x4500
[   70.457187]  ? trace_hardirqs_off+0x10/0x10
[   70.461491]  ? __lock_is_held+0xb5/0x140
[   70.465536]  ? trace_hardirqs_off+0x10/0x10
[   70.469848]  rtnl_newlink+0xe0c/0x1390
[   70.473725]  ? rtnl_link_unregister+0x270/0x270
[   70.478369]  ? finish_task_switch+0x178/0x650
[   70.482835]  ? finish_task_switch+0x14d/0x650
[   70.487304]  ? find_held_lock+0x36/0x1d0
[   70.491352]  ? __mutex_lock+0x8b7/0x14c0
[   70.495399]  ? lock_downgrade+0x7f0/0x7f0
[   70.499523]  ? do_raw_spin_unlock+0x161/0x250
[   70.504008]  rtnetlink_rcv_msg+0x34f/0x9d0
[   70.508275]  ? rtnl_bridge_getlink+0x760/0x760
[   70.512838]  ? find_held_lock+0x36/0x1d0
[   70.516890]  netlink_rcv_skb+0x133/0x370
[   70.520940]  ? rtnl_bridge_getlink+0x760/0x760
[   70.525500]  ? netlink_ack+0xa00/0xa00
[   70.529366]  ? netlink_deliver_tap+0x8e/0x920
[   70.533837]  rtnetlink_rcv+0x10/0x20
[   70.537526]  netlink_unicast+0x40d/0x5f0
[   70.541563]  ? netlink_attachskb+0x6e0/0x6e0
[   70.545994]  netlink_sendmsg+0x730/0xbd0
[   70.550036]  ? netlink_unicast+0x5f0/0x5f0
[   70.554264]  ? selinux_socket_sendmsg+0x31/0x40
[   70.558978]  ? security_socket_sendmsg+0x6a/0xa0
[   70.563720]  ? netlink_unicast+0x5f0/0x5f0
[   70.567935]  sock_sendmsg+0xb5/0xf0
[   70.571555]  ___sys_sendmsg+0x625/0x920
[   70.575517]  ? trace_hardirqs_off+0x10/0x10
[   70.579818]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   70.584552]  ? find_held_lock+0x36/0x1d0
[   70.588590]  ? lock_downgrade+0x7f0/0x7f0
[   70.592728]  ? __fget+0x1ca/0x2f0
[   70.596164]  ? __fget_light+0x166/0x200
[   70.600126]  ? __fdget+0xe/0x10
[   70.603384]  ? sockfd_lookup_light+0x1c/0x150
[   70.607855]  __sys_sendmsg+0xc1/0x140
[   70.611637]  ? SyS_shutdown+0x180/0x180
[   70.615597]  ? __sb_end_write+0xa4/0xd0
[   70.619553]  ? mutex_unlock+0xd/0x10
[   70.623248]  ? do_syscall_64+0x4c/0x5b0
[   70.627201]  ? __sys_sendmsg+0x140/0x140
[   70.631257]  SyS_sendmsg+0xd/0x20
[   70.634696]  do_syscall_64+0x1c7/0x5b0
[   70.638644]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   70.643464]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   70.648632] RIP: 0033:0x459ef9
[   70.651812] RSP: 002b:00007f7ed33cac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   70.659503] RAX: ffffffffffffffda RBX: 00007f7ed33cac90 RCX: 0000000000459ef9
[   70.666748] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   70.673998] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   70.681246] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ed33cb6d4
[   70.688497] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   70.697849] batman_adv: batadv0: Adding interface: veth1
[   70.703906] 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.
[   70.728503] batman_adv: batadv0: Interface activated: veth1
[   70.734767] FAULT_INJECTION: forcing a failure.
[   70.734767] name failslab, interval 1, probability 0, space 0, times 0
[   70.746210] CPU: 1 PID: 7022 Comm: syz-executor.3 Not tainted 4.14.158-syzkaller #0
[   70.754001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   70.763337] Call Trace:
[   70.763350]  dump_stack+0xf7/0x13b
[   70.763360]  should_fail.cold.3+0x105/0x14b
[   70.763370]  should_failslab+0xba/0xf0
[   70.763379]  kmem_cache_alloc_node+0x287/0x790
[   70.769473]  __alloc_skb+0x92/0x500
[   70.769479]  ? skb_trim+0x160/0x160
[   70.769488]  ? if_nlmsg_size+0x2d9/0x6f0
[   70.769495]  rtmsg_ifinfo_build_skb+0x68/0x120
[   70.769503]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   70.802832]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   70.807835]  rtnetlink_event+0xc2/0x110
[   70.811824]  notifier_call_chain+0xd6/0x150
[   70.816122]  raw_notifier_call_chain+0x11/0x20
[   70.820682]  call_netdevice_notifiers_info+0x4b/0x60
[   70.825766]  __netdev_upper_dev_link+0x18e/0x1f0
[   70.830503]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   70.835235]  netdev_master_upper_dev_link+0x14/0x20
[   70.840252]  batadv_hardif_enable_interface+0x1af/0x990
[   70.845600]  batadv_softif_slave_add+0x82/0xe0
[   70.850158]  do_set_master+0x163/0x1f0
[   70.854038]  do_setlink+0x9dd/0x2c50
[   70.857731]  ? __lock_acquire+0x6a4/0x4500
[   70.861943]  ? trace_hardirqs_off+0x10/0x10
[   70.866240]  ? rtnl_register+0x20/0x20
[   70.870114]  ? trace_hardirqs_on+0x10/0x10
[   70.874333]  ? trace_hardirqs_off+0x10/0x10
[   70.878628]  ? __lock_acquire+0x6a4/0x4500
[   70.882836]  ? trace_hardirqs_off+0x10/0x10
[   70.887129]  ? trace_hardirqs_off+0x10/0x10
[   70.891424]  ? __lock_is_held+0xb5/0x140
[   70.895809]  ? trace_hardirqs_off+0x10/0x10
[   70.900119]  rtnl_newlink+0xe0c/0x1390
[   70.903992]  ? rtnl_link_unregister+0x270/0x270
[   70.908646]  ? finish_task_switch+0x178/0x650
[   70.913122]  ? finish_task_switch+0x14d/0x650
[   70.917600]  ? find_held_lock+0x36/0x1d0
[   70.921661]  ? __mutex_lock+0x8b7/0x14c0
[   70.925705]  ? lock_downgrade+0x7f0/0x7f0
[   70.929830]  ? do_raw_spin_unlock+0x161/0x250
[   70.934315]  rtnetlink_rcv_msg+0x34f/0x9d0
[   70.938534]  ? rtnl_bridge_getlink+0x760/0x760
[   70.943092]  ? find_held_lock+0x36/0x1d0
[   70.947136]  netlink_rcv_skb+0x133/0x370
[   70.951192]  ? rtnl_bridge_getlink+0x760/0x760
[   70.955750]  ? netlink_ack+0xa00/0xa00
[   70.959613]  ? netlink_deliver_tap+0x8e/0x920
[   70.964095]  rtnetlink_rcv+0x10/0x20
[   70.967783]  netlink_unicast+0x40d/0x5f0
[   70.971826]  ? netlink_attachskb+0x6e0/0x6e0
[   70.976234]  netlink_sendmsg+0x730/0xbd0
[   70.980281]  ? netlink_unicast+0x5f0/0x5f0
[   70.984542]  ? selinux_socket_sendmsg+0x31/0x40
[   70.989197]  ? security_socket_sendmsg+0x6a/0xa0
[   70.993930]  ? netlink_unicast+0x5f0/0x5f0
[   70.998143]  sock_sendmsg+0xb5/0xf0
[   71.001826]  ___sys_sendmsg+0x625/0x920
[   71.005777]  ? trace_hardirqs_off+0x10/0x10
[   71.010078]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   71.014811]  ? find_held_lock+0x36/0x1d0
[   71.018855]  ? lock_downgrade+0x7f0/0x7f0
[   71.023008]  ? __fget+0x1ca/0x2f0
[   71.026441]  ? __fget_light+0x166/0x200
[   71.030389]  ? __fdget+0xe/0x10
[   71.033644]  ? sockfd_lookup_light+0x1c/0x150
[   71.038118]  __sys_sendmsg+0xc1/0x140
[   71.041904]  ? SyS_shutdown+0x180/0x180
[   71.045857]  ? __sb_end_write+0xa4/0xd0
[   71.049814]  ? mutex_unlock+0xd/0x10
[   71.053522]  ? do_syscall_64+0x4c/0x5b0
[   71.057471]  ? __sys_sendmsg+0x140/0x140
[   71.061503]  SyS_sendmsg+0xd/0x20
[   71.064931]  do_syscall_64+0x1c7/0x5b0
[   71.068791]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   71.073609]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   71.078776] RIP: 0033:0x459ef9
[   71.081948] RSP: 002b:00007f449f84cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   71.089626] RAX: ffffffffffffffda RBX: 00007f449f84cc90 RCX: 0000000000459ef9
[   71.096876] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   71.104135] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   71.111416] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f449f84d6d4
[   71.118661] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   71.129739] batman_adv: batadv0: Adding interface: veth1
[   71.135342] 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.
[   71.159902] batman_adv: batadv0: Interface activated: veth1
[   71.169034] FAULT_INJECTION: forcing a failure.
[   71.169034] name failslab, interval 1, probability 0, space 0, times 0
[   71.180311] CPU: 1 PID: 7023 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0
[   71.180319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   71.180322] Call Trace:
[   71.180333]  dump_stack+0xf7/0x13b
[   71.180343]  should_fail.cold.3+0x105/0x14b
[   71.180353]  should_failslab+0xba/0xf0
[   71.180360]  kmem_cache_alloc_node+0x56/0x790
[   71.180373]  __alloc_skb+0x92/0x500
[   71.180379]  ? skb_trim+0x160/0x160
[   71.197520]  ? call_fib6_notifiers+0x3c/0x60
[   71.197532]  inet6_rt_notify+0xe0/0x290
[   71.197541]  fib6_del+0x89d/0xd80
[   71.197551]  fib6_clean_node+0x1d8/0x3f0
[   71.197558]  ? fib6_del+0xd80/0xd80
[   71.197568]  ? trace_hardirqs_on_caller+0x19e/0x580
[   71.197573]  ? fib6_walker_link+0xe2/0x120
[   71.197579]  fib6_walk_continue+0x1bb/0x920
[   71.197586]  ? _raw_write_unlock_bh+0x30/0x40
[   71.197593]  fib6_walk+0x90/0xe0
[   71.264325]  ? unwind_dump+0xf0/0xf0
[   71.268033]  fib6_clean_tree+0x8f/0xb0
[   71.271913]  ? fib6_walk+0xe0/0xe0
[   71.275438]  ? fib6_del+0xd80/0xd80
[   71.279039]  ? fib6_clean_tree+0xb0/0xb0
[   71.283156]  ? fib6_remove_prefsrc+0x250/0x250
[   71.287725]  ? _raw_write_lock_bh+0x39/0x40
[   71.292054]  ? __fib6_clean_all+0xc5/0x1d0
[   71.296272]  __fib6_clean_all+0xde/0x1d0
[   71.300309]  ? fib6_remove_prefsrc+0x250/0x250
[   71.304868]  fib6_clean_all+0xe/0x10
[   71.308556]  rt6_ifdown+0x80/0x560
[   71.312087]  ? __lock_acquire+0x6a4/0x4500
[   71.316305]  ? rt6_clean_tohost+0x20/0x20
[   71.320430]  addrconf_ifdown+0xbb/0x1330
[   71.324467]  ? trace_hardirqs_off+0x10/0x10
[   71.328769]  ? add_addr+0x150/0x150
[   71.332374]  addrconf_notify+0x555/0x1b10
[   71.336502]  ? lock_downgrade+0x7f0/0x7f0
[   71.340638]  ? inet6_ifinfo_notify+0x100/0x100
[   71.345206]  ? nfqnl_rcv_dev_event+0x227/0x3b0
[   71.349781]  notifier_call_chain+0xd6/0x150
[   71.354079]  raw_notifier_call_chain+0x11/0x20
[   71.358636]  call_netdevice_notifiers_info+0x4b/0x60
[   71.363722]  dev_close_many+0x29b/0x610
[   71.367678]  ? list_netdevice+0x4b0/0x4b0
[   71.371800]  ? mark_held_locks+0xc7/0x130
[   71.375923]  ? dev_mc_unsync+0x165/0x1a5
[   71.379969]  dev_close.part.89+0xe5/0x190
[   71.384096]  ? dev_close_many+0x610/0x610
[   71.388216]  ? dev_mc_unsync+0x165/0x1a5
[   71.392251]  ? __local_bh_enable_ip+0x9c/0x180
[   71.396821]  ? _raw_spin_unlock_bh+0x30/0x40
[   71.401207]  dev_close+0x40/0x50
[   71.404552]  team_port_del+0x2c0/0x770
[   71.408426]  team_del_slave+0x34/0x70
[   71.412210]  do_set_master+0xb6/0x1f0
[   71.415987]  do_setlink+0x9dd/0x2c50
[   71.419686]  ? find_held_lock+0x36/0x1d0
[   71.423725]  ? rtnl_register+0x20/0x20
[   71.427592]  ? load_balance+0xb38/0x2190
[   71.431629]  ? lock_downgrade+0x7f0/0x7f0
[   71.435750]  ? lock_pin_lock+0x340/0x340
[   71.439812]  ? __lock_acquire+0x6a4/0x4500
[   71.444020]  ? trace_hardirqs_off+0x10/0x10
[   71.448317]  ? __lock_is_held+0xb5/0x140
[   71.452356]  ? trace_hardirqs_off+0x10/0x10
[   71.456667]  rtnl_newlink+0xe0c/0x1390
[   71.460527]  ? rtnl_newlink+0x6d0/0x1390
[   71.464570]  ? rtnl_link_unregister+0x270/0x270
[   71.469214]  ? finish_task_switch+0x178/0x650
[   71.473681]  ? finish_task_switch+0x14d/0x650
[   71.478150]  ? find_held_lock+0x36/0x1d0
[   71.482190]  ? __mutex_lock+0x8b7/0x14c0
[   71.486227]  ? lock_downgrade+0x7f0/0x7f0
[   71.490350]  ? do_raw_spin_unlock+0x161/0x250
[   71.494850]  rtnetlink_rcv_msg+0x34f/0x9d0
[   71.499087]  ? rtnl_bridge_getlink+0x760/0x760
[   71.503648]  ? find_held_lock+0x36/0x1d0
[   71.507695]  netlink_rcv_skb+0x133/0x370
[   71.511732]  ? rtnl_bridge_getlink+0x760/0x760
[   71.516296]  ? netlink_ack+0xa00/0xa00
[   71.520171]  ? netlink_deliver_tap+0x8e/0x920
[   71.524643]  rtnetlink_rcv+0x10/0x20
[   71.528333]  netlink_unicast+0x40d/0x5f0
[   71.532375]  ? netlink_attachskb+0x6e0/0x6e0
[   71.536759]  netlink_sendmsg+0x730/0xbd0
[   71.540795]  ? netlink_unicast+0x5f0/0x5f0
[   71.545008]  ? selinux_socket_sendmsg+0x31/0x40
[   71.549662]  ? security_socket_sendmsg+0x6a/0xa0
[   71.554400]  ? netlink_unicast+0x5f0/0x5f0
[   71.558618]  sock_sendmsg+0xb5/0xf0
[   71.562226]  ___sys_sendmsg+0x625/0x920
[   71.566181]  ? trace_hardirqs_off+0x10/0x10
[   71.570487]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   71.575220]  ? find_held_lock+0x36/0x1d0
[   71.579260]  ? lock_downgrade+0x7f0/0x7f0
[   71.583389]  ? __fget+0x1ca/0x2f0
[   71.586820]  ? __fget_light+0x166/0x200
[   71.590767]  ? __fdget+0xe/0x10
[   71.594019]  ? sockfd_lookup_light+0x1c/0x150
[   71.598504]  __sys_sendmsg+0xc1/0x140
[   71.602284]  ? SyS_shutdown+0x180/0x180
[   71.606240]  ? __sb_end_write+0xa4/0xd0
[   71.610189]  ? mutex_unlock+0xd/0x10
[   71.613883]  ? do_syscall_64+0x4c/0x5b0
[   71.617839]  ? __sys_sendmsg+0x140/0x140
[   71.621881]  SyS_sendmsg+0xd/0x20
[   71.625312]  do_syscall_64+0x1c7/0x5b0
[   71.629183]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   71.634054]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   71.639224] RIP: 0033:0x459ef9
[   71.642392] RSP: 002b:00007f8a64537c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   71.650076] RAX: ffffffffffffffda RBX: 00007f8a64537c90 RCX: 0000000000459ef9
[   71.657330] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   71.664845] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   71.672137] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8a645386d4
[   71.679384] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   71.691266] team0: Port device team_slave_0 removed
[   71.697114] batman_adv: batadv0: Adding interface: team_slave_0
[   71.703231] 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.
[   71.728569] batman_adv: batadv0: Not using interface team_slave_0 (retrying later): interface not active
[   71.738425] FAULT_INJECTION: forcing a failure.
[   71.738425] name failslab, interval 1, probability 0, space 0, times 0
[   71.749795] CPU: 0 PID: 7025 Comm: syz-executor.2 Not tainted 4.14.158-syzkaller #0
[   71.750997] syz-executor.5 (7023) used greatest stack depth: 23288 bytes left
[   71.757588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   71.774259] Call Trace:
[   71.776824]  dump_stack+0xf7/0x13b
[   71.780343]  should_fail.cold.3+0x105/0x14b
[   71.784642]  should_failslab+0xba/0xf0
[   71.788508]  kmem_cache_alloc_node+0x287/0x790
[   71.793069]  __alloc_skb+0x92/0x500
[   71.796694]  ? skb_trim+0x160/0x160
[   71.800295]  ? if_nlmsg_size+0x2d9/0x6f0
[   71.804331]  rtmsg_ifinfo_build_skb+0x68/0x120
[   71.808893]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   71.813708]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   71.818610]  rtnetlink_event+0xc2/0x110
[   71.822558]  notifier_call_chain+0xd6/0x150
[   71.826857]  raw_notifier_call_chain+0x11/0x20
[   71.831531]  call_netdevice_notifiers_info+0x4b/0x60
[   71.836609]  __netdev_upper_dev_link+0x18e/0x1f0
[   71.841338]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   71.846069]  netdev_master_upper_dev_link+0x14/0x20
[   71.851057]  batadv_hardif_enable_interface+0x1af/0x990
[   71.856407]  batadv_softif_slave_add+0x82/0xe0
[   71.860972]  do_set_master+0x163/0x1f0
[   71.864855]  do_setlink+0x9dd/0x2c50
[   71.868544]  ? __lock_acquire+0x6a4/0x4500
[   71.872765]  ? trace_hardirqs_off+0x10/0x10
[   71.877058]  ? rtnl_register+0x20/0x20
[   71.880925]  ? trace_hardirqs_on+0x10/0x10
[   71.885144]  ? __lock_acquire+0x6a4/0x4500
[   71.889363]  ? trace_hardirqs_off+0x10/0x10
[   71.893700]  ? trace_hardirqs_off+0x10/0x10
[   71.897999]  rtnl_newlink+0xe0c/0x1390
[   71.901864]  ? rtnl_link_unregister+0x270/0x270
[   71.906506]  ? finish_task_switch+0x178/0x650
[   71.910973]  ? finish_task_switch+0x14d/0x650
[   71.915452]  ? find_held_lock+0x36/0x1d0
[   71.919490]  ? __mutex_lock+0x8b7/0x14c0
[   71.923523]  ? lock_downgrade+0x7f0/0x7f0
[   71.927645]  ? do_raw_spin_unlock+0x161/0x250
[   71.932130]  rtnetlink_rcv_msg+0x34f/0x9d0
[   71.936337]  ? rtnl_bridge_getlink+0x760/0x760
[   71.940904]  ? find_held_lock+0x36/0x1d0
[   71.944952]  netlink_rcv_skb+0x133/0x370
[   71.948986]  ? rtnl_bridge_getlink+0x760/0x760
[   71.953541]  ? netlink_ack+0xa00/0xa00
[   71.957402]  ? netlink_deliver_tap+0x8e/0x920
[   71.961872]  rtnetlink_rcv+0x10/0x20
[   71.965559]  netlink_unicast+0x40d/0x5f0
[   71.969593]  ? netlink_attachskb+0x6e0/0x6e0
[   71.973976]  netlink_sendmsg+0x730/0xbd0
[   71.978010]  ? netlink_unicast+0x5f0/0x5f0
[   71.982239]  ? selinux_socket_sendmsg+0x31/0x40
[   71.986967]  ? security_socket_sendmsg+0x6a/0xa0
[   71.991695]  ? netlink_unicast+0x5f0/0x5f0
[   71.995902]  sock_sendmsg+0xb5/0xf0
[   71.999500]  ___sys_sendmsg+0x625/0x920
[   72.003447]  ? trace_hardirqs_off+0x10/0x10
[   72.007741]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   72.012474]  ? find_held_lock+0x36/0x1d0
[   72.016514]  ? lock_downgrade+0x7f0/0x7f0
[   72.020649]  ? __fget+0x1ca/0x2f0
[   72.024078]  ? __fget_light+0x166/0x200
[   72.028037]  ? __fdget+0xe/0x10
[   72.031302]  ? sockfd_lookup_light+0x1c/0x150
[   72.035771]  __sys_sendmsg+0xc1/0x140
[   72.039562]  ? SyS_shutdown+0x180/0x180
[   72.043537]  ? __sb_end_write+0xa4/0xd0
[   72.047489]  ? mutex_unlock+0xd/0x10
[   72.051182]  ? do_syscall_64+0x4c/0x5b0
[   72.055136]  ? __sys_sendmsg+0x140/0x140
[   72.059170]  SyS_sendmsg+0xd/0x20
[   72.062602]  do_syscall_64+0x1c7/0x5b0
[   72.066464]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   72.071297]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   72.076470] RIP: 0033:0x459ef9
[   72.079633] RSP: 002b:00007f9d04662c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   72.087317] RAX: ffffffffffffffda RBX: 00007f9d04662c90 RCX: 0000000000459ef9
[   72.094571] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   72.101819] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   72.109202] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9d046636d4
[   72.116446] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   72.135067] batman_adv: batadv0: Adding interface: veth1
[   72.140592] 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.
[   72.167311] batman_adv: batadv0: Interface activated: veth1
[   72.173881] FAULT_INJECTION: forcing a failure.
[   72.173881] name failslab, interval 1, probability 0, space 0, times 0
[   72.191299] CPU: 1 PID: 7032 Comm: syz-executor.4 Not tainted 4.14.158-syzkaller #0
[   72.199102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   72.208538] Call Trace:
[   72.211105]  dump_stack+0xf7/0x13b
[   72.214623]  should_fail.cold.3+0x105/0x14b
[   72.218923]  should_failslab+0xba/0xf0
[   72.222786]  kmem_cache_alloc_node+0x287/0x790
[   72.227375]  __alloc_skb+0x92/0x500
[   72.230994]  ? skb_trim+0x160/0x160
[   72.234609]  ? if_nlmsg_size+0x2d9/0x6f0
[   72.238653]  rtmsg_ifinfo_build_skb+0x68/0x120
[   72.243263]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   72.248085]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   72.252995]  rtnetlink_event+0xc2/0x110
[   72.256954]  notifier_call_chain+0xd6/0x150
[   72.261259]  raw_notifier_call_chain+0x11/0x20
[   72.265826]  call_netdevice_notifiers_info+0x4b/0x60
[   72.270915]  __netdev_upper_dev_link+0x18e/0x1f0
[   72.275700]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   72.280437]  netdev_master_upper_dev_link+0x14/0x20
[   72.285529]  batadv_hardif_enable_interface+0x1af/0x990
[   72.290893]  batadv_softif_slave_add+0x82/0xe0
[   72.295461]  do_set_master+0x163/0x1f0
[   72.299330]  do_setlink+0x9dd/0x2c50
[   72.303032]  ? rtnl_register+0x20/0x20
[   72.306898]  ? trace_hardirqs_on+0x10/0x10
[   72.311119]  ? trace_hardirqs_off+0x10/0x10
[   72.315437]  ? __lock_acquire+0x6a4/0x4500
[   72.319671]  ? trace_hardirqs_off+0x10/0x10
[   72.323983]  rtnl_newlink+0xe0c/0x1390
[   72.327913]  ? rtnl_link_unregister+0x270/0x270
[   72.332557]  ? finish_task_switch+0x178/0x650
[   72.337034]  ? finish_task_switch+0x14d/0x650
[   72.341522]  ? find_held_lock+0x36/0x1d0
[   72.345576]  ? __mutex_lock+0x8b7/0x14c0
[   72.349672]  ? lock_downgrade+0x7f0/0x7f0
[   72.353836]  ? do_raw_spin_unlock+0x161/0x250
[   72.358324]  rtnetlink_rcv_msg+0x34f/0x9d0
[   72.362537]  ? rtnl_bridge_getlink+0x760/0x760
[   72.367123]  ? find_held_lock+0x36/0x1d0
[   72.371191]  netlink_rcv_skb+0x133/0x370
[   72.375230]  ? rtnl_bridge_getlink+0x760/0x760
[   72.379787]  ? netlink_ack+0xa00/0xa00
[   72.384643]  ? netlink_deliver_tap+0x8e/0x920
[   72.389115]  rtnetlink_rcv+0x10/0x20
[   72.392803]  netlink_unicast+0x40d/0x5f0
[   72.396841]  ? netlink_attachskb+0x6e0/0x6e0
[   72.401226]  netlink_sendmsg+0x730/0xbd0
[   72.405264]  ? netlink_unicast+0x5f0/0x5f0
[   72.409477]  ? selinux_socket_sendmsg+0x31/0x40
[   72.414127]  ? security_socket_sendmsg+0x6a/0xa0
[   72.418862]  ? netlink_unicast+0x5f0/0x5f0
[   72.423073]  sock_sendmsg+0xb5/0xf0
[   72.426675]  ___sys_sendmsg+0x625/0x920
[   72.430625]  ? trace_hardirqs_off+0x10/0x10
[   72.434931]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   72.439661]  ? find_held_lock+0x36/0x1d0
[   72.443699]  ? lock_downgrade+0x7f0/0x7f0
[   72.447825]  ? __fget+0x1ca/0x2f0
[   72.451254]  ? __fget_light+0x166/0x200
[   72.455201]  ? __fdget+0xe/0x10
[   72.458912]  ? sockfd_lookup_light+0x1c/0x150
[   72.463382]  __sys_sendmsg+0xc1/0x140
[   72.467155]  ? SyS_shutdown+0x180/0x180
[   72.471102]  ? __sb_end_write+0xa4/0xd0
[   72.475052]  ? mutex_unlock+0xd/0x10
[   72.478746]  ? do_syscall_64+0x4c/0x5b0
[   72.482701]  ? __sys_sendmsg+0x140/0x140
[   72.486743]  SyS_sendmsg+0xd/0x20
[   72.490170]  do_syscall_64+0x1c7/0x5b0
[   72.494030]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   72.498855]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   72.504019] RIP: 0033:0x459ef9
[   72.507182] RSP: 002b:00007fc87feaec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   72.514865] RAX: ffffffffffffffda RBX: 00007fc87feaec90 RCX: 0000000000459ef9
[   72.522111] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   72.529357] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   72.536603] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc87feaf6d4
[   72.543854] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   72.552555] batman_adv: batadv0: Adding interface: veth1
[   72.558123] 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.
[   72.582633] batman_adv: batadv0: Interface activated: veth1
[   72.588839] FAULT_INJECTION: forcing a failure.
[   72.588839] name failslab, interval 1, probability 0, space 0, times 0
[   72.605656] CPU: 0 PID: 7031 Comm: syz-executor.1 Not tainted 4.14.158-syzkaller #0
[   72.613465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   72.622813] Call Trace:
[   72.625394]  dump_stack+0xf7/0x13b
[   72.628911]  should_fail.cold.3+0x105/0x14b
[   72.633227]  should_failslab+0xba/0xf0
[   72.637090]  kmem_cache_alloc_node+0x287/0x790
[   72.641658]  __alloc_skb+0x92/0x500
[   72.645266]  ? skb_trim+0x160/0x160
[   72.648965]  ? if_nlmsg_size+0x2d9/0x6f0
[   72.653005]  rtmsg_ifinfo_build_skb+0x68/0x120
[   72.657562]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   72.662395]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   72.667309]  rtnetlink_event+0xc2/0x110
[   72.671273]  notifier_call_chain+0xd6/0x150
[   72.675575]  raw_notifier_call_chain+0x11/0x20
[   72.680138]  call_netdevice_notifiers_info+0x4b/0x60
[   72.685226]  __netdev_upper_dev_link+0x18e/0x1f0
[   72.690057]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   72.694807]  netdev_master_upper_dev_link+0x14/0x20
[   72.699801]  batadv_hardif_enable_interface+0x1af/0x990
[   72.705145]  batadv_softif_slave_add+0x82/0xe0
[   72.709762]  do_set_master+0x163/0x1f0
[   72.713628]  do_setlink+0x9dd/0x2c50
[   72.717318]  ? rtnl_register+0x20/0x20
[   72.721189]  ? trace_hardirqs_on+0x10/0x10
[   72.725411]  ? trace_hardirqs_off+0x10/0x10
[   72.729722]  ? __lock_acquire+0x6a4/0x4500
[   72.733940]  ? trace_hardirqs_off+0x10/0x10
[   72.738242]  rtnl_newlink+0xe0c/0x1390
[   72.742123]  ? rtnl_link_unregister+0x270/0x270
[   72.746777]  ? finish_task_switch+0x178/0x650
[   72.751244]  ? finish_task_switch+0x14d/0x650
[   72.755714]  ? find_held_lock+0x36/0x1d0
[   72.759756]  ? __mutex_lock+0x8b7/0x14c0
[   72.763798]  ? lock_downgrade+0x7f0/0x7f0
[   72.767932]  ? do_raw_spin_unlock+0x161/0x250
[   72.772431]  rtnetlink_rcv_msg+0x34f/0x9d0
[   72.776651]  ? rtnl_bridge_getlink+0x760/0x760
[   72.781218]  ? find_held_lock+0x36/0x1d0
[   72.785263]  netlink_rcv_skb+0x133/0x370
[   72.789300]  ? rtnl_bridge_getlink+0x760/0x760
[   72.793863]  ? netlink_ack+0xa00/0xa00
[   72.797727]  ? netlink_deliver_tap+0x8e/0x920
[   72.802207]  rtnetlink_rcv+0x10/0x20
[   72.805901]  netlink_unicast+0x40d/0x5f0
[   72.809938]  ? netlink_attachskb+0x6e0/0x6e0
[   72.814322]  netlink_sendmsg+0x730/0xbd0
[   72.818358]  ? netlink_unicast+0x5f0/0x5f0
[   72.822585]  ? selinux_socket_sendmsg+0x31/0x40
[   72.827240]  ? security_socket_sendmsg+0x6a/0xa0
[   72.831971]  ? netlink_unicast+0x5f0/0x5f0
[   72.836178]  sock_sendmsg+0xb5/0xf0
[   72.839796]  ___sys_sendmsg+0x625/0x920
[   72.843762]  ? trace_hardirqs_off+0x10/0x10
[   72.848061]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   72.852792]  ? find_held_lock+0x36/0x1d0
[   72.856841]  ? lock_downgrade+0x7f0/0x7f0
[   72.860977]  ? __fget+0x1ca/0x2f0
[   72.864412]  ? __fget_light+0x166/0x200
[   72.868398]  ? __fdget+0xe/0x10
[   72.871653]  ? sockfd_lookup_light+0x1c/0x150
[   72.876120]  __sys_sendmsg+0xc1/0x140
[   72.879896]  ? SyS_shutdown+0x180/0x180
[   72.883846]  ? __sb_end_write+0xa4/0xd0
[   72.887802]  ? mutex_unlock+0xd/0x10
[   72.891494]  ? do_syscall_64+0x4c/0x5b0
[   72.895444]  ? __sys_sendmsg+0x140/0x140
[   72.899486]  SyS_sendmsg+0xd/0x20
[   72.902929]  do_syscall_64+0x1c7/0x5b0
[   72.906797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   72.911616]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   72.916778] RIP: 0033:0x459ef9
[   72.919941] RSP: 002b:00007f899e9ddc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   72.927636] RAX: ffffffffffffffda RBX: 00007f899e9ddc90 RCX: 0000000000459ef9
[   72.935597] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   72.942854] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   72.950106] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f899e9de6d4
[   72.957357] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   72.967987] batman_adv: batadv0: Adding interface: veth0_to_bridge
2019/12/13 15:28:19 executed programs: 81
[   72.974402] 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.
[   73.000107] batman_adv: batadv0: Interface activated: veth0_to_bridge
[   73.007018] device bridge_slave_0 left promiscuous mode
[   73.013478] bridge0: port 1(bridge_slave_0) entered disabled state
[   73.019856] FAULT_INJECTION: forcing a failure.
[   73.019856] name failslab, interval 1, probability 0, space 0, times 0
[   73.031064] CPU: 1 PID: 7034 Comm: syz-executor.0 Not tainted 4.14.158-syzkaller #0
[   73.031081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   73.031084] Call Trace:
[   73.031096]  dump_stack+0xf7/0x13b
[   73.031106]  should_fail.cold.3+0x105/0x14b
[   73.031116]  should_failslab+0xba/0xf0
[   73.031124]  kmem_cache_alloc_node_trace+0x5a/0x780
[   73.031135]  __kmalloc_node_track_caller+0x3c/0x70
[   73.031143]  __kmalloc_reserve.isra.36+0x2c/0xc0
[   73.031150]  __alloc_skb+0xc1/0x500
[   73.031155]  ? skb_trim+0x160/0x160
[   73.031164]  ? br_get_link_af_size_filtered+0xd2/0x6e0
[   73.031173]  br_ifinfo_notify.part.21+0x89/0x160
[   73.031179]  br_ifinfo_notify+0xe/0x20
[   73.031184]  br_stp_disable_port+0xbb/0x150
[   73.031189]  del_nbp+0x119/0x8b0
[   73.031197]  br_del_if+0xc7/0x470
[   73.031204]  br_del_slave+0x10/0x20
[   73.031210]  do_set_master+0xb6/0x1f0
[   73.031216]  do_setlink+0x9dd/0x2c50
[   73.048338]  ? trace_hardirqs_off+0x10/0x10
[   73.048343]  ? lock_downgrade+0x7f0/0x7f0
[   73.048348]  ? trace_hardirqs_off+0x10/0x10
[   73.048358]  ? rtnl_register+0x20/0x20
[   73.048363]  ? trace_hardirqs_off+0x10/0x10
[   73.048368]  ? __lock_is_held+0xb5/0x140
[   73.048378]  ? find_held_lock+0x36/0x1d0
[   73.048386]  ? __lock_acquire+0x6a4/0x4500
[   73.048394]  ? load_balance+0xb38/0x2190
[   73.048399]  ? lock_downgrade+0x7f0/0x7f0
[   73.048404]  ? lock_pin_lock+0x340/0x340
[   73.048417]  ? __lock_acquire+0x6a4/0x4500
[   73.048423]  ? trace_hardirqs_off+0x10/0x10
[   73.176017]  ? __lock_is_held+0xb5/0x140
[   73.180060]  rtnl_newlink+0xe0c/0x1390
[   73.183926]  ? trace_hardirqs_off+0x10/0x10
[   73.188237]  ? memset+0x31/0x40
[   73.191506]  ? rtnl_newlink+0x6d0/0x1390
[   73.195571]  ? rtnl_link_unregister+0x270/0x270
[   73.200214]  ? finish_task_switch+0x178/0x650
[   73.204696]  ? finish_task_switch+0x14d/0x650
[   73.209174]  ? find_held_lock+0x36/0x1d0
[   73.213228]  ? __mutex_lock+0x8b7/0x14c0
[   73.217528]  ? lock_downgrade+0x7f0/0x7f0
[   73.221653]  ? do_raw_spin_unlock+0x161/0x250
[   73.226323]  rtnetlink_rcv_msg+0x34f/0x9d0
[   73.230590]  ? rtnl_bridge_getlink+0x760/0x760
[   73.235205]  ? find_held_lock+0x36/0x1d0
[   73.239257]  netlink_rcv_skb+0x133/0x370
[   73.243327]  ? rtnl_bridge_getlink+0x760/0x760
[   73.247898]  ? netlink_ack+0xa00/0xa00
[   73.251769]  ? netlink_deliver_tap+0x8e/0x920
[   73.256243]  rtnetlink_rcv+0x10/0x20
[   73.259942]  netlink_unicast+0x40d/0x5f0
[   73.263986]  ? netlink_attachskb+0x6e0/0x6e0
[   73.268408]  netlink_sendmsg+0x730/0xbd0
[   73.272459]  ? netlink_unicast+0x5f0/0x5f0
[   73.276669]  ? selinux_socket_sendmsg+0x31/0x40
[   73.281313]  ? security_socket_sendmsg+0x6a/0xa0
[   73.286086]  ? netlink_unicast+0x5f0/0x5f0
[   73.290299]  sock_sendmsg+0xb5/0xf0
[   73.293942]  ___sys_sendmsg+0x625/0x920
[   73.297896]  ? trace_hardirqs_off+0x10/0x10
[   73.302208]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   73.306947]  ? find_held_lock+0x36/0x1d0
[   73.310998]  ? lock_downgrade+0x7f0/0x7f0
[   73.315138]  ? __fget+0x1ca/0x2f0
[   73.318568]  ? __fget_light+0x166/0x200
[   73.322531]  ? __fdget+0xe/0x10
[   73.325797]  ? sockfd_lookup_light+0x1c/0x150
[   73.330279]  __sys_sendmsg+0xc1/0x140
[   73.334055]  ? SyS_shutdown+0x180/0x180
[   73.338004]  ? __sb_end_write+0xa4/0xd0
[   73.341959]  ? mutex_unlock+0xd/0x10
[   73.345652]  ? do_syscall_64+0x4c/0x5b0
[   73.349602]  ? __sys_sendmsg+0x140/0x140
[   73.353632]  SyS_sendmsg+0xd/0x20
[   73.357061]  do_syscall_64+0x1c7/0x5b0
[   73.360924]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   73.365883]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   73.372023] RIP: 0033:0x459ef9
[   73.375204] RSP: 002b:00007f7ed33cac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   73.383040] RAX: ffffffffffffffda RBX: 00007f7ed33cac90 RCX: 0000000000459ef9
[   73.390289] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   73.397710] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   73.404968] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ed33cb6d4
[   73.412221] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   73.471747] batman_adv: batadv0: Adding interface: bridge_slave_0
[   73.478135] 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.
[   73.503460] batman_adv: batadv0: Interface activated: bridge_slave_0
[   73.510537] device bridge_slave_0 left promiscuous mode
[   73.516528] bridge0: port 1(bridge_slave_0) entered disabled state
[   73.522986] FAULT_INJECTION: forcing a failure.
[   73.522986] name failslab, interval 1, probability 0, space 0, times 0
[   73.534176] CPU: 0 PID: 7038 Comm: syz-executor.3 Not tainted 4.14.158-syzkaller #0
[   73.534180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   73.534184] Call Trace:
[   73.534194]  dump_stack+0xf7/0x13b
[   73.534204]  should_fail.cold.3+0x105/0x14b
[   73.551332]  should_failslab+0xba/0xf0
[   73.551341]  kmem_cache_alloc_node_trace+0x5a/0x780
[   73.551353]  __kmalloc_node_track_caller+0x3c/0x70
[   73.551363]  __kmalloc_reserve.isra.36+0x2c/0xc0
[   73.551371]  __alloc_skb+0xc1/0x500
[   73.551377]  ? skb_trim+0x160/0x160
[   73.551384]  ? br_switchdev_set_port_flag+0x1e0/0x1e0
[   73.551392]  ? __lock_is_held+0xb5/0x140
[   73.551401]  fdb_notify+0x88/0x130
[   73.551406]  fdb_delete+0x129/0x3a0
[   73.551413]  br_fdb_delete_by_port+0x163/0x1d0
[   73.551423]  br_stp_disable_port+0xeb/0x150
[   73.551428]  del_nbp+0x119/0x8b0
[   73.551437]  br_del_if+0xc7/0x470
[   73.551444]  br_del_slave+0x10/0x20
[   73.551452]  do_set_master+0xb6/0x1f0
[   73.551458]  do_setlink+0x9dd/0x2c50
[   73.551468]  ? rtnl_register+0x20/0x20
[   73.551474]  ? trace_hardirqs_off+0x10/0x10
[   73.551480]  ? trace_hardirqs_off+0x10/0x10
[   73.643132]  ? __lock_acquire+0x6a4/0x4500
[   73.647354]  ? find_held_lock+0x36/0x1d0
[   73.651393]  ? __lock_acquire+0x6a4/0x4500
[   73.655614]  ? load_balance+0x9c5/0x2190
[   73.659662]  ? lock_downgrade+0x7f0/0x7f0
[   73.663792]  ? lock_pin_lock+0x340/0x340
[   73.667861]  ? __lock_acquire+0x6a4/0x4500
[   73.672076]  rtnl_newlink+0xe0c/0x1390
[   73.675939]  ? trace_hardirqs_off+0x10/0x10
[   73.680240]  ? trace_hardirqs_off+0x10/0x10
[   73.684592]  ? memset+0x31/0x40
[   73.687847]  ? rtnl_newlink+0x6d0/0x1390
[   73.691887]  ? rtnl_link_unregister+0x270/0x270
[   73.696531]  ? finish_task_switch+0x178/0x650
[   73.701007]  ? finish_task_switch+0x14d/0x650
[   73.705490]  ? find_held_lock+0x36/0x1d0
[   73.709543]  ? __mutex_lock+0x8b7/0x14c0
[   73.713581]  ? lock_downgrade+0x7f0/0x7f0
[   73.717721]  ? do_raw_spin_unlock+0x161/0x250
[   73.722238]  rtnetlink_rcv_msg+0x34f/0x9d0
[   73.726456]  ? rtnl_bridge_getlink+0x760/0x760
[   73.731016]  ? find_held_lock+0x36/0x1d0
[   73.735055]  netlink_rcv_skb+0x133/0x370
[   73.739102]  ? rtnl_bridge_getlink+0x760/0x760
[   73.743664]  ? netlink_ack+0xa00/0xa00
[   73.747539]  ? netlink_deliver_tap+0x8e/0x920
[   73.752020]  rtnetlink_rcv+0x10/0x20
[   73.755711]  netlink_unicast+0x40d/0x5f0
[   73.759758]  ? netlink_attachskb+0x6e0/0x6e0
[   73.764154]  netlink_sendmsg+0x730/0xbd0
[   73.768199]  ? netlink_unicast+0x5f0/0x5f0
[   73.772417]  ? selinux_socket_sendmsg+0x31/0x40
[   73.777064]  ? security_socket_sendmsg+0x6a/0xa0
[   73.781807]  ? netlink_unicast+0x5f0/0x5f0
[   73.786109]  sock_sendmsg+0xb5/0xf0
[   73.789709]  ___sys_sendmsg+0x625/0x920
[   73.793662]  ? trace_hardirqs_off+0x10/0x10
[   73.797966]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   73.802714]  ? find_held_lock+0x36/0x1d0
[   73.806766]  ? lock_downgrade+0x7f0/0x7f0
[   73.810908]  ? __fget+0x1ca/0x2f0
[   73.814353]  ? __fget_light+0x166/0x200
[   73.818356]  ? __fdget+0xe/0x10
[   73.821621]  ? sockfd_lookup_light+0x1c/0x150
[   73.826100]  __sys_sendmsg+0xc1/0x140
[   73.829875]  ? SyS_shutdown+0x180/0x180
[   73.833842]  ? __sb_end_write+0xa4/0xd0
[   73.837800]  ? mutex_unlock+0xd/0x10
[   73.841511]  ? do_syscall_64+0x4c/0x5b0
[   73.845474]  ? __sys_sendmsg+0x140/0x140
[   73.849510]  SyS_sendmsg+0xd/0x20
[   73.852983]  do_syscall_64+0x1c7/0x5b0
[   73.856853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   73.861688]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   73.866867] RIP: 0033:0x459ef9
[   73.870050] RSP: 002b:00007f449f84cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   73.877753] RAX: ffffffffffffffda RBX: 00007f449f84cc90 RCX: 0000000000459ef9
[   73.885004] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   73.892253] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   73.899543] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f449f84d6d4
[   73.906797] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   73.942982] batman_adv: batadv0: Adding interface: bridge_slave_0
[   73.949313] 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.
[   73.974767] batman_adv: batadv0: Interface activated: bridge_slave_0
[   73.983069] FAULT_INJECTION: forcing a failure.
[   73.983069] name failslab, interval 1, probability 0, space 0, times 0
[   73.994327] CPU: 1 PID: 7040 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0
[   74.002122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   74.002126] Call Trace:
[   74.002139]  dump_stack+0xf7/0x13b
[   74.002149]  should_fail.cold.3+0x105/0x14b
[   74.002159]  should_failslab+0xba/0xf0
[   74.002166]  kmem_cache_alloc_node+0x56/0x790
[   74.002178]  __alloc_skb+0x92/0x500
[   74.002183]  ? skb_trim+0x160/0x160
[   74.002191]  ? call_fib6_notifiers+0x3c/0x60
[   74.002200]  inet6_rt_notify+0xe0/0x290
[   74.002209]  fib6_del+0x89d/0xd80
[   74.002218]  fib6_clean_node+0x1d8/0x3f0
[   74.002225]  ? fib6_del+0xd80/0xd80
[   74.056932]  ? trace_hardirqs_on_caller+0x19e/0x580
[   74.061924]  ? fib6_walker_link+0xe2/0x120
[   74.066138]  fib6_walk_continue+0x1bb/0x920
[   74.070438]  ? _raw_write_unlock_bh+0x30/0x40
[   74.074916]  fib6_walk+0x90/0xe0
[   74.078268]  fib6_clean_tree+0x8f/0xb0
[   74.082131]  ? fib6_walk+0xe0/0xe0
[   74.085646]  ? fib6_del+0xd80/0xd80
[   74.089252]  ? fib6_clean_tree+0xb0/0xb0
[   74.093307]  ? fib6_remove_prefsrc+0x250/0x250
[   74.097876]  ? _raw_write_lock_bh+0x39/0x40
[   74.102179]  ? __fib6_clean_all+0xc5/0x1d0
[   74.106398]  __fib6_clean_all+0xde/0x1d0
[   74.110497]  ? fib6_remove_prefsrc+0x250/0x250
[   74.115059]  fib6_clean_all+0xe/0x10
[   74.118783]  rt6_ifdown+0x80/0x560
[   74.122303]  ? __lock_acquire+0x6a4/0x4500
[   74.126514]  ? rt6_clean_tohost+0x20/0x20
[   74.130652]  addrconf_ifdown+0xbb/0x1330
[   74.134698]  ? trace_hardirqs_off+0x10/0x10
[   74.139036]  ? add_addr+0x150/0x150
[   74.142639]  addrconf_notify+0x555/0x1b10
[   74.146770]  ? lock_downgrade+0x7f0/0x7f0
[   74.151056]  ? inet6_ifinfo_notify+0x100/0x100
[   74.155614]  ? nfqnl_rcv_dev_event+0x227/0x3b0
[   74.160175]  notifier_call_chain+0xd6/0x150
[   74.164475]  raw_notifier_call_chain+0x11/0x20
[   74.169045]  call_netdevice_notifiers_info+0x4b/0x60
[   74.174187]  dev_close_many+0x29b/0x610
[   74.178139]  ? list_netdevice+0x4b0/0x4b0
[   74.182267]  ? mark_held_locks+0xc7/0x130
[   74.186422]  ? dev_mc_unsync+0x165/0x1a5
[   74.190462]  dev_close.part.89+0xe5/0x190
[   74.194589]  ? dev_close_many+0x610/0x610
[   74.198719]  ? dev_mc_unsync+0x165/0x1a5
[   74.202761]  ? __local_bh_enable_ip+0x9c/0x180
[   74.207351]  ? _raw_spin_unlock_bh+0x30/0x40
[   74.211738]  dev_close+0x40/0x50
[   74.215082]  team_port_del+0x2c0/0x770
[   74.218958]  team_del_slave+0x34/0x70
[   74.222734]  do_set_master+0xb6/0x1f0
[   74.226516]  do_setlink+0x9dd/0x2c50
[   74.230203]  ? find_held_lock+0x36/0x1d0
[   74.234280]  ? rtnl_register+0x20/0x20
[   74.238143]  ? load_balance+0xb38/0x2190
[   74.242179]  ? lock_downgrade+0x7f0/0x7f0
[   74.246301]  ? lock_pin_lock+0x340/0x340
[   74.250338]  ? __lock_acquire+0x6a4/0x4500
[   74.254561]  ? trace_hardirqs_off+0x10/0x10
[   74.258857]  ? __lock_is_held+0xb5/0x140
[   74.262948]  ? trace_hardirqs_off+0x10/0x10
[   74.267281]  rtnl_newlink+0xe0c/0x1390
[   74.271198]  ? rtnl_newlink+0x6d0/0x1390
[   74.275250]  ? rtnl_link_unregister+0x270/0x270
[   74.279906]  ? finish_task_switch+0x178/0x650
[   74.284383]  ? finish_task_switch+0x14d/0x650
[   74.288857]  ? find_held_lock+0x36/0x1d0
[   74.292908]  ? __mutex_lock+0x8b7/0x14c0
[   74.296947]  ? lock_downgrade+0x7f0/0x7f0
[   74.301128]  ? do_raw_spin_unlock+0x161/0x250
[   74.305719]  rtnetlink_rcv_msg+0x34f/0x9d0
[   74.309996]  ? rtnl_bridge_getlink+0x760/0x760
[   74.314572]  ? find_held_lock+0x36/0x1d0
[   74.318617]  netlink_rcv_skb+0x133/0x370
[   74.322663]  ? rtnl_bridge_getlink+0x760/0x760
[   74.327228]  ? netlink_ack+0xa00/0xa00
[   74.331127]  ? netlink_deliver_tap+0x8e/0x920
[   74.335627]  rtnetlink_rcv+0x10/0x20
[   74.339326]  netlink_unicast+0x40d/0x5f0
[   74.343370]  ? netlink_attachskb+0x6e0/0x6e0
[   74.347761]  netlink_sendmsg+0x730/0xbd0
[   74.351806]  ? netlink_unicast+0x5f0/0x5f0
[   74.356024]  ? selinux_socket_sendmsg+0x31/0x40
[   74.360674]  ? security_socket_sendmsg+0x6a/0xa0
[   74.365467]  ? netlink_unicast+0x5f0/0x5f0
[   74.369682]  sock_sendmsg+0xb5/0xf0
[   74.373285]  ___sys_sendmsg+0x625/0x920
[   74.377243]  ? trace_hardirqs_off+0x10/0x10
[   74.381545]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   74.386282]  ? find_held_lock+0x36/0x1d0
[   74.390335]  ? lock_downgrade+0x7f0/0x7f0
[   74.394465]  ? __fget+0x1ca/0x2f0
[   74.397894]  ? __fget_light+0x166/0x200
[   74.401843]  ? __fdget+0xe/0x10
[   74.405099]  ? sockfd_lookup_light+0x1c/0x150
[   74.409571]  __sys_sendmsg+0xc1/0x140
[   74.413359]  ? SyS_shutdown+0x180/0x180
[   74.417317]  ? __sb_end_write+0xa4/0xd0
[   74.421269]  ? mutex_unlock+0xd/0x10
[   74.425916]  ? do_syscall_64+0x4c/0x5b0
[   74.430836]  ? __sys_sendmsg+0x140/0x140
[   74.434884]  SyS_sendmsg+0xd/0x20
[   74.438317]  do_syscall_64+0x1c7/0x5b0
[   74.442178]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   74.447002]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   74.452166] RIP: 0033:0x459ef9
[   74.455341] RSP: 002b:00007f8a64537c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   74.463025] RAX: ffffffffffffffda RBX: 00007f8a64537c90 RCX: 0000000000459ef9
[   74.470270] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   74.477516] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   74.484877] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8a645386d4
[   74.492134] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   74.501005] team0: Port device team_slave_1 removed
[   74.506879] batman_adv: batadv0: Adding interface: team_slave_1
[   74.513014] 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.
[   74.538105] batman_adv: batadv0: Not using interface team_slave_1 (retrying later): interface not active
[   74.547921] device bridge_slave_0 left promiscuous mode
[   74.562594] bridge0: port 1(bridge_slave_0) entered disabled state
[   74.569031] FAULT_INJECTION: forcing a failure.
[   74.569031] name failslab, interval 1, probability 0, space 0, times 0
[   74.580244] CPU: 0 PID: 7044 Comm: syz-executor.2 Not tainted 4.14.158-syzkaller #0
[   74.588023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   74.597355] Call Trace:
[   74.599921]  dump_stack+0xf7/0x13b
[   74.603451]  should_fail.cold.3+0x105/0x14b
[   74.607759]  should_failslab+0xba/0xf0
[   74.611640]  kmem_cache_alloc_node_trace+0x5a/0x780
[   74.616644]  __kmalloc_node_track_caller+0x3c/0x70
[   74.621551]  __kmalloc_reserve.isra.36+0x2c/0xc0
[   74.626383]  __alloc_skb+0xc1/0x500
[   74.629992]  ? skb_trim+0x160/0x160
[   74.633611]  ? br_switchdev_set_port_flag+0x1e0/0x1e0
[   74.638834]  ? __lock_is_held+0xb5/0x140
[   74.642916]  fdb_notify+0x88/0x130
[   74.646434]  fdb_delete+0x129/0x3a0
[   74.650038]  br_fdb_delete_by_port+0x163/0x1d0
[   74.654605]  br_stp_disable_port+0xeb/0x150
[   74.658903]  del_nbp+0x119/0x8b0
[   74.662245]  br_del_if+0xc7/0x470
[   74.665675]  br_del_slave+0x10/0x20
[   74.669279]  do_set_master+0xb6/0x1f0
[   74.673061]  do_setlink+0x9dd/0x2c50
[   74.676769]  ? rtnl_register+0x20/0x20
[   74.680635]  ? __lock_acquire+0x6a4/0x4500
[   74.684856]  ? __lock_acquire+0x6a4/0x4500
[   74.689078]  ? __lock_acquire+0x6a4/0x4500
[   74.693303]  rtnl_newlink+0xe0c/0x1390
[   74.697174]  ? trace_hardirqs_off+0x10/0x10
[   74.701492]  ? memset+0x31/0x40
[   74.704751]  ? rtnl_newlink+0x6d0/0x1390
[   74.708793]  ? rtnl_link_unregister+0x270/0x270
[   74.713444]  ? finish_task_switch+0x178/0x650
[   74.718011]  ? finish_task_switch+0x14d/0x650
[   74.722482]  ? find_held_lock+0x36/0x1d0
[   74.726521]  ? __mutex_lock+0x8b7/0x14c0
[   74.730564]  ? lock_downgrade+0x7f0/0x7f0
[   74.734698]  ? do_raw_spin_unlock+0x161/0x250
[   74.739182]  rtnetlink_rcv_msg+0x34f/0x9d0
[   74.743399]  ? rtnl_bridge_getlink+0x760/0x760
[   74.747955]  ? find_held_lock+0x36/0x1d0
[   74.752001]  netlink_rcv_skb+0x133/0x370
[   74.756058]  ? rtnl_bridge_getlink+0x760/0x760
[   74.760622]  ? netlink_ack+0xa00/0xa00
[   74.764498]  ? netlink_deliver_tap+0x8e/0x920
[   74.768983]  rtnetlink_rcv+0x10/0x20
[   74.772680]  netlink_unicast+0x40d/0x5f0
[   74.776736]  ? netlink_attachskb+0x6e0/0x6e0
[   74.781131]  netlink_sendmsg+0x730/0xbd0
[   74.785186]  ? netlink_unicast+0x5f0/0x5f0
[   74.789406]  ? selinux_socket_sendmsg+0x31/0x40
[   74.794058]  ? security_socket_sendmsg+0x6a/0xa0
[   74.798795]  ? netlink_unicast+0x5f0/0x5f0
[   74.803063]  sock_sendmsg+0xb5/0xf0
[   74.806734]  ___sys_sendmsg+0x625/0x920
[   74.810698]  ? trace_hardirqs_off+0x10/0x10
[   74.815004]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   74.819737]  ? find_held_lock+0x36/0x1d0
[   74.823783]  ? lock_downgrade+0x7f0/0x7f0
[   74.827917]  ? __fget+0x1ca/0x2f0
[   74.831364]  ? __fget_light+0x166/0x200
[   74.835363]  ? __fdget+0xe/0x10
[   74.838628]  ? sockfd_lookup_light+0x1c/0x150
[   74.843114]  __sys_sendmsg+0xc1/0x140
[   74.846890]  ? SyS_shutdown+0x180/0x180
[   74.850855]  ? __sb_end_write+0xa4/0xd0
[   74.854817]  ? mutex_unlock+0xd/0x10
[   74.858518]  ? do_syscall_64+0x4c/0x5b0
[   74.862469]  ? __sys_sendmsg+0x140/0x140
[   74.866506]  SyS_sendmsg+0xd/0x20
[   74.869938]  do_syscall_64+0x1c7/0x5b0
[   74.873807]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   74.878635]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   74.883799] RIP: 0033:0x459ef9
[   74.886964] RSP: 002b:00007f9d04662c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   74.894649] RAX: ffffffffffffffda RBX: 00007f9d04662c90 RCX: 0000000000459ef9
[   74.901896] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   74.909145] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   74.916651] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9d046636d4
[   74.924048] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   74.961069] batman_adv: batadv0: Adding interface: bridge_slave_0
[   74.967783] 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.
[   74.993303] batman_adv: batadv0: Interface activated: bridge_slave_0
[   75.000258] device bridge_slave_0 left promiscuous mode
[   75.006361] bridge0: port 1(bridge_slave_0) entered disabled state
[   75.012764] FAULT_INJECTION: forcing a failure.
[   75.012764] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   75.025170] CPU: 0 PID: 7047 Comm: syz-executor.4 Not tainted 4.14.158-syzkaller #0
[   75.032946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   75.042289] Call Trace:
[   75.044904]  dump_stack+0xf7/0x13b
[   75.048434]  should_fail.cold.3+0x105/0x14b
[   75.052737]  ? netlink_rcv_skb+0x133/0x370
[   75.056971]  __alloc_pages_nodemask+0x1d5/0x770
[   75.061615]  ? entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   75.066961]  ? __alloc_pages_slowpath+0x2650/0x2650
[   75.071963]  ? vprintk_emit+0x1ab/0x4e0
[   75.075937]  ? trace_hardirqs_off+0x10/0x10
[   75.080239]  cache_grow_begin+0x80/0x3f0
[   75.084276]  kmem_cache_alloc_node_trace+0x6aa/0x780
[   75.089358]  __kmalloc_node_track_caller+0x3c/0x70
[   75.094277]  __kmalloc_reserve.isra.36+0x2c/0xc0
[   75.099021]  __alloc_skb+0xc1/0x500
[   75.102634]  ? skb_trim+0x160/0x160
[   75.106240]  ? br_get_link_af_size_filtered+0xd2/0x6e0
[   75.111505]  br_ifinfo_notify.part.21+0x89/0x160
[   75.116277]  br_ifinfo_notify+0xe/0x20
[   75.120142]  br_stp_disable_port+0xbb/0x150
[   75.124447]  del_nbp+0x119/0x8b0
[   75.127790]  br_del_if+0xc7/0x470
[   75.131232]  br_del_slave+0x10/0x20
[   75.134846]  do_set_master+0xb6/0x1f0
[   75.138624]  do_setlink+0x9dd/0x2c50
[   75.142336]  ? trace_hardirqs_off+0x10/0x10
[   75.146640]  ? lock_downgrade+0x7f0/0x7f0
[   75.150766]  ? trace_hardirqs_off+0x10/0x10
[   75.155086]  ? rtnl_register+0x20/0x20
[   75.158953]  ? trace_hardirqs_off+0x10/0x10
[   75.163255]  ? __lock_is_held+0xb5/0x140
[   75.167304]  ? find_held_lock+0x36/0x1d0
[   75.171350]  ? __lock_acquire+0x6a4/0x4500
[   75.175569]  ? load_balance+0xb38/0x2190
[   75.179612]  ? lock_downgrade+0x7f0/0x7f0
[   75.183749]  ? lock_pin_lock+0x340/0x340
[   75.187804]  ? __lock_acquire+0x6a4/0x4500
[   75.192030]  ? trace_hardirqs_off+0x10/0x10
[   75.196333]  ? __lock_is_held+0xb5/0x140
[   75.200375]  rtnl_newlink+0xe0c/0x1390
[   75.204240]  ? trace_hardirqs_off+0x10/0x10
[   75.208544]  ? memset+0x31/0x40
[   75.211817]  ? rtnl_newlink+0x6d0/0x1390
[   75.215882]  ? rtnl_link_unregister+0x270/0x270
[   75.220534]  ? finish_task_switch+0x178/0x650
[   75.225009]  ? finish_task_switch+0x14d/0x650
[   75.229538]  ? find_held_lock+0x36/0x1d0
[   75.233600]  ? __mutex_lock+0x8b7/0x14c0
[   75.237648]  ? lock_downgrade+0x7f0/0x7f0
[   75.241778]  ? do_raw_spin_unlock+0x161/0x250
[   75.246270]  rtnetlink_rcv_msg+0x34f/0x9d0
[   75.250498]  ? rtnl_bridge_getlink+0x760/0x760
[   75.255073]  ? find_held_lock+0x36/0x1d0
[   75.259130]  netlink_rcv_skb+0x133/0x370
[   75.263172]  ? rtnl_bridge_getlink+0x760/0x760
[   75.267746]  ? netlink_ack+0xa00/0xa00
[   75.271641]  ? netlink_deliver_tap+0x8e/0x920
[   75.276126]  rtnetlink_rcv+0x10/0x20
[   75.279821]  netlink_unicast+0x40d/0x5f0
[   75.283859]  ? netlink_attachskb+0x6e0/0x6e0
[   75.288250]  netlink_sendmsg+0x730/0xbd0
[   75.292301]  ? netlink_unicast+0x5f0/0x5f0
[   75.296521]  ? selinux_socket_sendmsg+0x31/0x40
[   75.301169]  ? security_socket_sendmsg+0x6a/0xa0
[   75.305903]  ? netlink_unicast+0x5f0/0x5f0
[   75.310118]  sock_sendmsg+0xb5/0xf0
[   75.313735]  ___sys_sendmsg+0x625/0x920
[   75.317699]  ? trace_hardirqs_off+0x10/0x10
[   75.321996]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   75.326732]  ? find_held_lock+0x36/0x1d0
[   75.330786]  ? lock_downgrade+0x7f0/0x7f0
[   75.335014]  ? __fget+0x1ca/0x2f0
[   75.338460]  ? __fget_light+0x166/0x200
[   75.342434]  ? __fdget+0xe/0x10
[   75.345719]  ? sockfd_lookup_light+0x1c/0x150
[   75.350228]  __sys_sendmsg+0xc1/0x140
[   75.354012]  ? SyS_shutdown+0x180/0x180
[   75.357977]  ? __sb_end_write+0xa4/0xd0
[   75.361957]  ? mutex_unlock+0xd/0x10
[   75.365657]  ? do_syscall_64+0x4c/0x5b0
[   75.369612]  ? __sys_sendmsg+0x140/0x140
[   75.373654]  SyS_sendmsg+0xd/0x20
[   75.377093]  do_syscall_64+0x1c7/0x5b0
[   75.380954]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   75.385775]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   75.390945] RIP: 0033:0x459ef9
[   75.394121] RSP: 002b:00007fc87feaec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   75.401814] RAX: ffffffffffffffda RBX: 00007fc87feaec90 RCX: 0000000000459ef9
[   75.409059] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   75.416305] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   75.423549] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc87feaf6d4
[   75.430799] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   75.471649] batman_adv: batadv0: Adding interface: bridge_slave_0
[   75.477976] 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.
[   75.503459] batman_adv: batadv0: Interface activated: bridge_slave_0
[   75.510560] FAULT_INJECTION: forcing a failure.
[   75.510560] name failslab, interval 1, probability 0, space 0, times 0
[   75.530008] CPU: 1 PID: 7049 Comm: syz-executor.1 Not tainted 4.14.158-syzkaller #0
[   75.537810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   75.547254] Call Trace:
[   75.549835]  dump_stack+0xf7/0x13b
[   75.553359]  should_fail.cold.3+0x105/0x14b
[   75.557667]  should_failslab+0xba/0xf0
[   75.561528]  kmem_cache_alloc_node+0x287/0x790
[   75.566093]  __alloc_skb+0x92/0x500
[   75.569800]  ? skb_trim+0x160/0x160
[   75.573406]  ? if_nlmsg_size+0x2d9/0x6f0
[   75.577443]  rtmsg_ifinfo_build_skb+0x68/0x120
[   75.582006]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   75.586830]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   75.591734]  rtnetlink_event+0xc2/0x110
[   75.595696]  notifier_call_chain+0xd6/0x150
[   75.599994]  raw_notifier_call_chain+0x11/0x20
[   75.604558]  call_netdevice_notifiers_info+0x4b/0x60
[   75.609668]  __netdev_upper_dev_link+0x18e/0x1f0
[   75.614402]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   75.619140]  netdev_master_upper_dev_link+0x14/0x20
[   75.624131]  batadv_hardif_enable_interface+0x1af/0x990
[   75.629481]  batadv_softif_slave_add+0x82/0xe0
[   75.634040]  do_set_master+0x163/0x1f0
[   75.638004]  do_setlink+0x9dd/0x2c50
[   75.641713]  ? find_held_lock+0x36/0x1d0
[   75.645756]  ? rtnl_register+0x20/0x20
[   75.649618]  ? load_balance+0xb38/0x2190
[   75.653655]  ? lock_downgrade+0x7f0/0x7f0
[   75.657780]  ? lock_pin_lock+0x340/0x340
[   75.661821]  ? __lock_acquire+0x6a4/0x4500
[   75.666030]  ? trace_hardirqs_off+0x10/0x10
[   75.670336]  ? __lock_is_held+0xb5/0x140
[   75.674372]  ? trace_hardirqs_off+0x10/0x10
[   75.678681]  rtnl_newlink+0xe0c/0x1390
[   75.682549]  ? rtnl_link_unregister+0x270/0x270
[   75.687191]  ? finish_task_switch+0x178/0x650
[   75.691670]  ? finish_task_switch+0x14d/0x650
[   75.696144]  ? find_held_lock+0x36/0x1d0
[   75.700186]  ? __mutex_lock+0x8b7/0x14c0
[   75.704219]  ? lock_downgrade+0x7f0/0x7f0
[   75.708354]  ? do_raw_spin_unlock+0x161/0x250
[   75.712838]  rtnetlink_rcv_msg+0x34f/0x9d0
[   75.717056]  ? rtnl_bridge_getlink+0x760/0x760
[   75.721621]  ? find_held_lock+0x36/0x1d0
[   75.725658]  netlink_rcv_skb+0x133/0x370
[   75.729693]  ? rtnl_bridge_getlink+0x760/0x760
[   75.734247]  ? netlink_ack+0xa00/0xa00
[   75.738110]  ? netlink_deliver_tap+0x8e/0x920
[   75.742585]  rtnetlink_rcv+0x10/0x20
[   75.746272]  netlink_unicast+0x40d/0x5f0
[   75.750311]  ? netlink_attachskb+0x6e0/0x6e0
[   75.754694]  netlink_sendmsg+0x730/0xbd0
[   75.758743]  ? netlink_unicast+0x5f0/0x5f0
[   75.762951]  ? selinux_socket_sendmsg+0x31/0x40
[   75.767600]  ? security_socket_sendmsg+0x6a/0xa0
[   75.772330]  ? netlink_unicast+0x5f0/0x5f0
[   75.776540]  sock_sendmsg+0xb5/0xf0
[   75.780143]  ___sys_sendmsg+0x625/0x920
[   75.784093]  ? trace_hardirqs_off+0x10/0x10
[   75.788399]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   75.793130]  ? find_held_lock+0x36/0x1d0
[   75.797170]  ? lock_downgrade+0x7f0/0x7f0
[   75.801293]  ? __fget+0x1ca/0x2f0
[   75.804723]  ? __fget_light+0x166/0x200
[   75.808677]  ? __fdget+0xe/0x10
[   75.811937]  ? sockfd_lookup_light+0x1c/0x150
[   75.816410]  __sys_sendmsg+0xc1/0x140
[   75.820194]  ? SyS_shutdown+0x180/0x180
[   75.824172]  ? __sb_end_write+0xa4/0xd0
[   75.828126]  ? mutex_unlock+0xd/0x10
[   75.831819]  ? do_syscall_64+0x4c/0x5b0
[   75.835765]  ? __sys_sendmsg+0x140/0x140
[   75.839816]  SyS_sendmsg+0xd/0x20
[   75.843246]  do_syscall_64+0x1c7/0x5b0
[   75.847108]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   75.851935]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   75.857098] RIP: 0033:0x459ef9
[   75.860261] RSP: 002b:00007f899e9ddc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   75.867951] RAX: ffffffffffffffda RBX: 00007f899e9ddc90 RCX: 0000000000459ef9
[   75.875202] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   75.882462] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   75.889711] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f899e9de6d4
[   75.896966] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   75.905613] batman_adv: batadv0: Adding interface: veth1_to_bridge
[   75.912245] 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.
[   75.937659] batman_adv: batadv0: Interface activated: veth1_to_bridge
[   75.944980] device bridge_slave_1 left promiscuous mode
[   75.951257] bridge0: port 2(bridge_slave_1) entered disabled state
[   75.957690] FAULT_INJECTION: forcing a failure.
[   75.957690] name failslab, interval 1, probability 0, space 0, times 0
[   75.968888] CPU: 0 PID: 7052 Comm: syz-executor.0 Not tainted 4.14.158-syzkaller #0
[   75.968892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   75.968895] Call Trace:
[   75.968907]  dump_stack+0xf7/0x13b
[   75.968916]  should_fail.cold.3+0x105/0x14b
[   75.968927]  should_failslab+0xba/0xf0
[   75.968935]  kmem_cache_alloc_node_trace+0x5a/0x780
[   75.968946]  __kmalloc_node_track_caller+0x3c/0x70
[   75.968955]  __kmalloc_reserve.isra.36+0x2c/0xc0
[   75.986073]  __alloc_skb+0xc1/0x500
[   75.986079]  ? skb_trim+0x160/0x160
[   75.986086]  ? br_switchdev_set_port_flag+0x1e0/0x1e0
[   75.986093]  ? __lock_is_held+0xb5/0x140
[   75.986103]  fdb_notify+0x88/0x130
[   75.986110]  fdb_delete+0x129/0x3a0
[   75.986117]  br_fdb_delete_by_port+0x163/0x1d0
[   75.986128]  br_stp_disable_port+0xeb/0x150
[   75.986133]  del_nbp+0x119/0x8b0
[   75.986141]  br_del_if+0xc7/0x470
[   75.986149]  br_del_slave+0x10/0x20
[   75.986155]  do_set_master+0xb6/0x1f0
[   75.986161]  do_setlink+0x9dd/0x2c50
[   75.986171]  ? rtnl_register+0x20/0x20
[   76.069143]  ? trace_hardirqs_off+0x10/0x10
[   76.073449]  ? __lock_acquire+0x6a4/0x4500
[   76.077658]  ? trace_hardirqs_off+0x10/0x10
[   76.081969]  ? trace_hardirqs_on+0x10/0x10
[   76.086186]  ? trace_hardirqs_off+0x10/0x10
[   76.090498]  ? __lock_acquire+0x6a4/0x4500
[   76.094721]  ? trace_hardirqs_off+0x10/0x10
[   76.099202]  ? trace_hardirqs_off+0x10/0x10
[   76.103509]  ? __lock_is_held+0xb5/0x140
[   76.107561]  rtnl_newlink+0xe0c/0x1390
[   76.111431]  ? trace_hardirqs_off+0x10/0x10
[   76.115752]  ? memset+0x31/0x40
[   76.119010]  ? rtnl_newlink+0x6d0/0x1390
[   76.123063]  ? rtnl_link_unregister+0x270/0x270
[   76.127742]  ? finish_task_switch+0x178/0x650
[   76.132214]  ? finish_task_switch+0x14d/0x650
[   76.136685]  ? find_held_lock+0x36/0x1d0
[   76.140736]  ? __mutex_lock+0x8b7/0x14c0
[   76.144785]  ? lock_downgrade+0x7f0/0x7f0
[   76.148913]  ? do_raw_spin_unlock+0x161/0x250
[   76.153444]  rtnetlink_rcv_msg+0x34f/0x9d0
[   76.157666]  ? rtnl_bridge_getlink+0x760/0x760
[   76.162233]  ? find_held_lock+0x36/0x1d0
[   76.166282]  netlink_rcv_skb+0x133/0x370
[   76.170323]  ? rtnl_bridge_getlink+0x760/0x760
[   76.174879]  ? netlink_ack+0xa00/0xa00
[   76.178741]  ? netlink_deliver_tap+0x8e/0x920
[   76.183222]  rtnetlink_rcv+0x10/0x20
[   76.186924]  netlink_unicast+0x40d/0x5f0
[   76.190978]  ? netlink_attachskb+0x6e0/0x6e0
[   76.195408]  netlink_sendmsg+0x730/0xbd0
[   76.199456]  ? netlink_unicast+0x5f0/0x5f0
[   76.203687]  ? selinux_socket_sendmsg+0x31/0x40
[   76.208339]  ? security_socket_sendmsg+0x6a/0xa0
[   76.213072]  ? netlink_unicast+0x5f0/0x5f0
[   76.217307]  sock_sendmsg+0xb5/0xf0
[   76.220931]  ___sys_sendmsg+0x625/0x920
[   76.224906]  ? trace_hardirqs_off+0x10/0x10
[   76.229224]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   76.233955]  ? find_held_lock+0x36/0x1d0
[   76.238003]  ? lock_downgrade+0x7f0/0x7f0
[   76.242150]  ? __fget+0x1ca/0x2f0
[   76.245596]  ? __fget_light+0x166/0x200
[   76.249553]  ? __fdget+0xe/0x10
[   76.252811]  ? sockfd_lookup_light+0x1c/0x150
[   76.257287]  __sys_sendmsg+0xc1/0x140
[   76.261074]  ? SyS_shutdown+0x180/0x180
[   76.265108]  ? __sb_end_write+0xa4/0xd0
[   76.269092]  ? mutex_unlock+0xd/0x10
[   76.272786]  ? do_syscall_64+0x4c/0x5b0
[   76.276735]  ? __sys_sendmsg+0x140/0x140
[   76.280777]  SyS_sendmsg+0xd/0x20
[   76.284225]  do_syscall_64+0x1c7/0x5b0
[   76.288097]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   76.292924]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   76.298088] RIP: 0033:0x459ef9
[   76.301258] RSP: 002b:00007f7ed33cac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   76.308951] RAX: ffffffffffffffda RBX: 00007f7ed33cac90 RCX: 0000000000459ef9
[   76.316203] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   76.324417] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   76.331743] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ed33cb6d4
[   76.338995] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   76.391203] batman_adv: batadv0: Adding interface: bridge_slave_1
[   76.397485] 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.
[   76.422742] batman_adv: batadv0: Interface activated: bridge_slave_1
[   76.429568] device bridge_slave_1 left promiscuous mode
[   76.441203] bridge0: port 2(bridge_slave_1) entered disabled state
[   76.447646] FAULT_INJECTION: forcing a failure.
[   76.447646] name failslab, interval 1, probability 0, space 0, times 0
[   76.458843] CPU: 0 PID: 7056 Comm: syz-executor.3 Not tainted 4.14.158-syzkaller #0
[   76.466619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   76.475957] Call Trace:
[   76.475971]  dump_stack+0xf7/0x13b
[   76.475981]  should_fail.cold.3+0x105/0x14b
[   76.475993]  should_failslab+0xba/0xf0
[   76.475999]  kmem_cache_alloc_node_trace+0x5a/0x780
[   76.476010]  __kmalloc_node_track_caller+0x3c/0x70
[   76.482165]  __kmalloc_reserve.isra.36+0x2c/0xc0
[   76.482172]  __alloc_skb+0xc1/0x500
[   76.482178]  ? skb_trim+0x160/0x160
[   76.482185]  ? br_switchdev_set_port_flag+0x1e0/0x1e0
[   76.482192]  ? __lock_is_held+0xb5/0x140
[   76.482200]  fdb_notify+0x88/0x130
[   76.490371]  fdb_delete+0x129/0x3a0
[   76.490378]  br_fdb_delete_by_port+0x163/0x1d0
[   76.490388]  br_stp_disable_port+0xeb/0x150
[   76.537671]  del_nbp+0x119/0x8b0
[   76.541019]  br_del_if+0xc7/0x470
[   76.544456]  br_del_slave+0x10/0x20
[   76.548162]  do_set_master+0xb6/0x1f0
[   76.551957]  do_setlink+0x9dd/0x2c50
[   76.555662]  ? trace_hardirqs_off+0x10/0x10
[   76.560025]  ? lock_downgrade+0x7f0/0x7f0
[   76.564171]  ? trace_hardirqs_off+0x10/0x10
[   76.568476]  ? rtnl_register+0x20/0x20
[   76.572345]  ? trace_hardirqs_off+0x10/0x10
[   76.576650]  ? __lock_is_held+0xb5/0x140
[   76.580694]  ? find_held_lock+0x36/0x1d0
[   76.584738]  ? __lock_acquire+0x6a4/0x4500
[   76.588972]  ? load_balance+0xb38/0x2190
[   76.593018]  ? lock_downgrade+0x7f0/0x7f0
[   76.597155]  ? lock_pin_lock+0x340/0x340
[   76.601205]  ? __lock_acquire+0x6a4/0x4500
[   76.605550]  ? trace_hardirqs_off+0x10/0x10
[   76.609851]  ? __lock_is_held+0xb5/0x140
[   76.613897]  rtnl_newlink+0xe0c/0x1390
[   76.617830]  ? trace_hardirqs_off+0x10/0x10
[   76.622136]  ? memset+0x31/0x40
[   76.625390]  ? rtnl_newlink+0x6d0/0x1390
[   76.629431]  ? rtnl_link_unregister+0x270/0x270
[   76.634081]  ? finish_task_switch+0x178/0x650
[   76.638558]  ? finish_task_switch+0x14d/0x650
[   76.643030]  ? find_held_lock+0x36/0x1d0
[   76.647070]  ? __mutex_lock+0x8b7/0x14c0
[   76.651113]  ? lock_downgrade+0x7f0/0x7f0
[   76.655317]  ? do_raw_spin_unlock+0x161/0x250
[   76.659822]  rtnetlink_rcv_msg+0x34f/0x9d0
[   76.664041]  ? rtnl_bridge_getlink+0x760/0x760
[   76.668600]  ? find_held_lock+0x36/0x1d0
[   76.672648]  netlink_rcv_skb+0x133/0x370
[   76.676693]  ? rtnl_bridge_getlink+0x760/0x760
[   76.681255]  ? netlink_ack+0xa00/0xa00
[   76.685124]  ? netlink_deliver_tap+0x8e/0x920
[   76.689596]  rtnetlink_rcv+0x10/0x20
[   76.693289]  netlink_unicast+0x40d/0x5f0
[   76.697332]  ? netlink_attachskb+0x6e0/0x6e0
[   76.701789]  netlink_sendmsg+0x730/0xbd0
[   76.705837]  ? netlink_unicast+0x5f0/0x5f0
[   76.710056]  ? selinux_socket_sendmsg+0x31/0x40
[   76.714707]  ? security_socket_sendmsg+0x6a/0xa0
[   76.719500]  ? netlink_unicast+0x5f0/0x5f0
[   76.723714]  sock_sendmsg+0xb5/0xf0
[   76.727322]  ___sys_sendmsg+0x625/0x920
[   76.731285]  ? trace_hardirqs_off+0x10/0x10
[   76.735588]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   76.740322]  ? find_held_lock+0x36/0x1d0
[   76.744359]  ? lock_downgrade+0x7f0/0x7f0
[   76.748492]  ? __fget+0x1ca/0x2f0
[   76.751938]  ? __fget_light+0x166/0x200
[   76.755904]  ? __fdget+0xe/0x10
[   76.759181]  ? sockfd_lookup_light+0x1c/0x150
[   76.763660]  __sys_sendmsg+0xc1/0x140
[   76.767437]  ? SyS_shutdown+0x180/0x180
[   76.771392]  ? __sb_end_write+0xa4/0xd0
[   76.775356]  ? mutex_unlock+0xd/0x10
[   76.779058]  ? do_syscall_64+0x4c/0x5b0
[   76.783016]  ? __sys_sendmsg+0x140/0x140
[   76.787052]  SyS_sendmsg+0xd/0x20
[   76.790487]  do_syscall_64+0x1c7/0x5b0
[   76.794355]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   76.799176]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   76.804340] RIP: 0033:0x459ef9
[   76.807510] RSP: 002b:00007f449f84cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   76.815221] RAX: ffffffffffffffda RBX: 00007f449f84cc90 RCX: 0000000000459ef9
[   76.822476] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   76.829725] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   76.836977] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f449f84d6d4
[   76.844222] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   76.881261] batman_adv: batadv0: Adding interface: bridge_slave_1
[   76.887599] 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.
[   76.912885] batman_adv: batadv0: Interface activated: bridge_slave_1
[   76.921153] FAULT_INJECTION: forcing a failure.
[   76.921153] name failslab, interval 1, probability 0, space 0, times 0
[   76.932423] CPU: 0 PID: 7058 Comm: syz-executor.5 Not tainted 4.14.158-syzkaller #0
[   76.932427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   76.932430] Call Trace:
[   76.932443]  dump_stack+0xf7/0x13b
[   76.932453]  should_fail.cold.3+0x105/0x14b
[   76.932463]  should_failslab+0xba/0xf0
[   76.932470]  kmem_cache_alloc_node+0x287/0x790
[   76.932483]  __alloc_skb+0x92/0x500
[   76.950561]  ? skb_trim+0x160/0x160
[   76.950571]  ? if_nlmsg_size+0x2d9/0x6f0
[   76.950580]  rtmsg_ifinfo_build_skb+0x68/0x120
[   76.950589]  rtmsg_ifinfo_event.part.27+0x16/0xb0
[   76.950594]  ? netdev_adjacent_sysfs_add+0x94/0xb0
[   76.950600]  rtnetlink_event+0xc2/0x110
[   76.950608]  notifier_call_chain+0xd6/0x150
[   76.950616]  raw_notifier_call_chain+0x11/0x20
[   76.950622]  call_netdevice_notifiers_info+0x4b/0x60
[   76.950628]  __netdev_upper_dev_link+0x18e/0x1f0
[   76.950634]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   76.950643]  netdev_master_upper_dev_link+0x14/0x20
[   76.950650]  batadv_hardif_enable_interface+0x1af/0x990
[   76.950660]  batadv_softif_slave_add+0x82/0xe0
[   76.950667]  do_set_master+0x163/0x1f0
[   76.950673]  do_setlink+0x9dd/0x2c50
[   76.950677]  ? __kernel_text_address+0xd/0x40
[   76.950684]  ? unwind_get_return_address+0x61/0xa0
[   76.950691]  ? rtnl_register+0x20/0x20
[   76.950697]  ? depot_save_stack+0x122/0x43a
[   76.950705]  ? __mmdrop+0x15d/0x1c0
[   76.950712]  ? save_stack+0xa9/0xd0
[   77.069688]  ? save_stack_trace+0x16/0x20
[   77.073885]  ? save_stack+0x43/0xd0
[   77.077487]  ? kasan_slab_free+0x71/0xc0
[   77.081539]  ? kmem_cache_free+0x80/0x2d0
[   77.085678]  ? __mmdrop+0x15d/0x1c0
[   77.089297]  ? finish_task_switch+0x496/0x650
[   77.093779]  ? __schedule+0x788/0x1d20
[   77.097653]  ? schedule+0x7f/0x1b0
[   77.101176]  ? schedule_preempt_disabled+0x13/0x20
[   77.106090]  ? __mutex_lock+0xabc/0x14c0
[   77.110130]  ? mutex_lock_nested+0x16/0x20
[   77.114342]  ? rtnetlink_rcv_msg+0x2c1/0x9d0
[   77.118725]  ? netlink_rcv_skb+0x133/0x370
[   77.122939]  ? rtnetlink_rcv+0x10/0x20
[   77.126813]  ? netlink_unicast+0x40d/0x5f0
[   77.131030]  ? netlink_sendmsg+0x730/0xbd0
[   77.135262]  ? sock_sendmsg+0xb5/0xf0
[   77.139090]  ? ___sys_sendmsg+0x625/0x920
[   77.143223]  ? __sys_sendmsg+0xc1/0x140
[   77.147191]  ? SyS_sendmsg+0xd/0x20
[   77.150793]  ? do_syscall_64+0x1c7/0x5b0
[   77.154832]  ? entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   77.160183]  ? trace_hardirqs_off+0x10/0x10
[   77.164498]  ? debug_check_no_obj_freed+0x2f0/0x930
[   77.169505]  rtnl_newlink+0xe0c/0x1390
[   77.173369]  ? __mmdrop+0x15d/0x1c0
[   77.176986]  ? __mmdrop+0x15d/0x1c0
[   77.180600]  ? rtnl_link_unregister+0x270/0x270
[   77.185254]  ? finish_task_switch+0x496/0x650
[   77.189754]  ? find_held_lock+0x36/0x1d0
[   77.193795]  ? __mutex_lock+0x8b7/0x14c0
[   77.197832]  ? lock_downgrade+0x7f0/0x7f0
[   77.201967]  ? do_raw_spin_unlock+0x161/0x250
[   77.206483]  rtnetlink_rcv_msg+0x34f/0x9d0
[   77.210712]  ? rtnl_bridge_getlink+0x760/0x760
[   77.215278]  ? find_held_lock+0x36/0x1d0
[   77.219327]  netlink_rcv_skb+0x133/0x370
[   77.223372]  ? rtnl_bridge_getlink+0x760/0x760
[   77.227942]  ? netlink_ack+0xa00/0xa00
[   77.231805]  ? netlink_deliver_tap+0x8e/0x920
[   77.236282]  rtnetlink_rcv+0x10/0x20
[   77.239969]  netlink_unicast+0x40d/0x5f0
[   77.244015]  ? netlink_attachskb+0x6e0/0x6e0
[   77.248414]  netlink_sendmsg+0x730/0xbd0
[   77.252461]  ? netlink_unicast+0x5f0/0x5f0
[   77.256684]  ? selinux_socket_sendmsg+0x31/0x40
[   77.261340]  ? security_socket_sendmsg+0x6a/0xa0
[   77.266091]  ? netlink_unicast+0x5f0/0x5f0
[   77.270307]  sock_sendmsg+0xb5/0xf0
[   77.273981]  ___sys_sendmsg+0x625/0x920
[   77.277931]  ? trace_hardirqs_off+0x10/0x10
[   77.282237]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   77.286992]  ? find_held_lock+0x36/0x1d0
[   77.291034]  ? lock_downgrade+0x7f0/0x7f0
[   77.295168]  ? __fget+0x1ca/0x2f0
[   77.298603]  ? __fget_light+0x166/0x200
[   77.302560]  ? __fdget+0xe/0x10
[   77.305826]  ? sockfd_lookup_light+0x1c/0x150
[   77.310301]  __sys_sendmsg+0xc1/0x140
[   77.314077]  ? SyS_shutdown+0x180/0x180
[   77.318052]  ? __sb_end_write+0xa4/0xd0
[   77.322016]  ? mutex_unlock+0xd/0x10
[   77.325719]  ? do_syscall_64+0x4c/0x5b0
[   77.329667]  ? __sys_sendmsg+0x140/0x140
[   77.333713]  SyS_sendmsg+0xd/0x20
[   77.337144]  do_syscall_64+0x1c7/0x5b0
[   77.341010]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   77.345843]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   77.351023] RIP: 0033:0x459ef9
[   77.354202] RSP: 002b:00007f8a64537c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   77.361898] RAX: ffffffffffffffda RBX: 00007f8a64537c90 RCX: 0000000000459ef9
[   77.369152] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   77.376396] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   77.383647] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8a645386d4
[   77.390901] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   77.399651] batman_adv: batadv0: Adding interface: hsr_slave_0
[   77.405827] 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.
[   77.430778] batman_adv: batadv0: Interface activated: hsr_slave_0
[   77.437351] device bridge_slave_1 left promiscuous mode
[   77.444219] bridge0: port 2(bridge_slave_1) entered disabled state
[   77.450624] FAULT_INJECTION: forcing a failure.
[   77.450624] name failslab, interval 1, probability 0, space 0, times 0
[   77.461818] CPU: 1 PID: 7061 Comm: syz-executor.2 Not tainted 4.14.158-syzkaller #0
[   77.461822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   77.461825] Call Trace:
[   77.461837]  dump_stack+0xf7/0x13b
[   77.461847]  should_fail.cold.3+0x105/0x14b
[   77.461856]  should_failslab+0xba/0xf0
[   77.461863]  kmem_cache_alloc_node_trace+0x5a/0x780
[   77.461874]  __kmalloc_node_track_caller+0x3c/0x70
[   77.461884]  __kmalloc_reserve.isra.36+0x2c/0xc0
[   77.461892]  __alloc_skb+0xc1/0x500
[   77.461897]  ? skb_trim+0x160/0x160
[   77.461906]  ? br_get_link_af_size_filtered+0xd2/0x6e0
[   77.461914]  br_ifinfo_notify.part.21+0x89/0x160
[   77.479050]  br_ifinfo_notify+0xe/0x20
[   77.479057]  br_stp_disable_port+0xbb/0x150
[   77.479063]  del_nbp+0x119/0x8b0
[   77.479073]  br_del_if+0xc7/0x470
[   77.479081]  br_del_slave+0x10/0x20
[   77.479088]  do_set_master+0xb6/0x1f0
[   77.479094]  do_setlink+0x9dd/0x2c50
[   77.479105]  ? rtnl_register+0x20/0x20
[   77.555338]  ? trace_hardirqs_off+0x10/0x10
[   77.559647]  ? __lock_acquire+0x6a4/0x4500
[   77.563858]  ? trace_hardirqs_off+0x10/0x10
[   77.568163]  ? __lock_acquire+0x6a4/0x4500
[   77.572383]  ? trace_hardirqs_on+0x10/0x10
[   77.576634]  ? __lock_acquire+0x6a4/0x4500
[   77.580856]  ? trace_hardirqs_off+0x10/0x10
[   77.585160]  rtnl_newlink+0xe0c/0x1390
[   77.589033]  ? trace_hardirqs_off+0x10/0x10
[   77.593342]  ? memset+0x31/0x40
[   77.596597]  ? rtnl_newlink+0x6d0/0x1390
[   77.600643]  ? rtnl_link_unregister+0x270/0x270
[   77.605471]  ? finish_task_switch+0x178/0x650
[   77.609946]  ? finish_task_switch+0x14d/0x650
[   77.614431]  ? find_held_lock+0x36/0x1d0
[   77.618474]  ? __mutex_lock+0x8b7/0x14c0
[   77.622521]  ? lock_downgrade+0x7f0/0x7f0
[   77.626663]  ? do_raw_spin_unlock+0x161/0x250
[   77.631196]  rtnetlink_rcv_msg+0x34f/0x9d0
[   77.635415]  ? rtnl_bridge_getlink+0x760/0x760
[   77.639985]  ? find_held_lock+0x36/0x1d0
[   77.644035]  netlink_rcv_skb+0x133/0x370
[   77.648077]  ? rtnl_bridge_getlink+0x760/0x760
[   77.652680]  ? netlink_ack+0xa00/0xa00
[   77.656544]  ? netlink_deliver_tap+0x8e/0x920
[   77.661018]  rtnetlink_rcv+0x10/0x20
[   77.664719]  netlink_unicast+0x40d/0x5f0
[   77.668759]  ? netlink_attachskb+0x6e0/0x6e0
[   77.673163]  netlink_sendmsg+0x730/0xbd0
[   77.677208]  ? netlink_unicast+0x5f0/0x5f0
[   77.681424]  ? selinux_socket_sendmsg+0x31/0x40
[   77.686068]  ? security_socket_sendmsg+0x6a/0xa0
[   77.690804]  ? netlink_unicast+0x5f0/0x5f0
[   77.695031]  sock_sendmsg+0xb5/0xf0
[   77.698637]  ___sys_sendmsg+0x625/0x920
[   77.702590]  ? trace_hardirqs_off+0x10/0x10
[   77.706884]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   77.711626]  ? find_held_lock+0x36/0x1d0
[   77.715665]  ? lock_downgrade+0x7f0/0x7f0
[   77.719789]  ? __fget+0x1ca/0x2f0
[   77.723226]  ? __fget_light+0x166/0x200
[   77.727175]  ? __fdget+0xe/0x10
[   77.730434]  ? sockfd_lookup_light+0x1c/0x150
[   77.734904]  __sys_sendmsg+0xc1/0x140
[   77.738676]  ? SyS_shutdown+0x180/0x180
[   77.742638]  ? __sb_end_write+0xa4/0xd0
[   77.746601]  ? mutex_unlock+0xd/0x10
[   77.750295]  ? do_syscall_64+0x4c/0x5b0
[   77.754246]  ? __sys_sendmsg+0x140/0x140
[   77.758278]  SyS_sendmsg+0xd/0x20
[   77.761705]  do_syscall_64+0x1c7/0x5b0
[   77.765566]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   77.770394]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   77.775568] RIP: 0033:0x459ef9
[   77.778733] RSP: 002b:00007f9d04662c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   77.786415] RAX: ffffffffffffffda RBX: 00007f9d04662c90 RCX: 0000000000459ef9
[   77.793666] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   77.800923] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   77.808185] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9d046636d4
[   77.815448] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   77.861849] batman_adv: batadv0: Adding interface: bridge_slave_1
[   77.868209] 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.
[   77.893540] batman_adv: batadv0: Interface activated: bridge_slave_1
[   77.900556] device bridge_slave_1 left promiscuous mode
[   77.906025] bridge0: port 2(bridge_slave_1) entered disabled state
[   77.912369] FAULT_INJECTION: forcing a failure.
[   77.912369] name failslab, interval 1, probability 0, space 0, times 0
[   77.923570] CPU: 1 PID: 7065 Comm: syz-executor.4 Not tainted 4.14.158-syzkaller #0
[   77.931347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   77.931351] Call Trace:
[   77.931363]  dump_stack+0xf7/0x13b
[   77.931374]  should_fail.cold.3+0x105/0x14b
[   77.931384]  should_failslab+0xba/0xf0
[   77.931393]  kmem_cache_alloc_node_trace+0x5a/0x780
[   77.931404]  __kmalloc_node_track_caller+0x3c/0x70
[   77.931413]  __kmalloc_reserve.isra.36+0x2c/0xc0
[   77.931420]  __alloc_skb+0xc1/0x500
[   77.931424]  ? skb_trim+0x160/0x160
[   77.931433]  ? br_get_link_af_size_filtered+0xd2/0x6e0
[   77.931442]  br_ifinfo_notify.part.21+0x89/0x160
[   77.931449]  br_ifinfo_notify+0xe/0x20
[   77.931454]  br_stp_disable_port+0xbb/0x150
[   77.931460]  del_nbp+0x119/0x8b0
[   77.931468]  br_del_if+0xc7/0x470
[   77.931475]  br_del_slave+0x10/0x20
[   77.931481]  do_set_master+0xb6/0x1f0
[   77.931487]  do_setlink+0x9dd/0x2c50
[   77.931494]  ? trace_hardirqs_off+0x10/0x10
[   77.931498]  ? lock_downgrade+0x7f0/0x7f0
[   77.931506]  ? rtnl_register+0x20/0x20
[   77.946939]  ? trace_hardirqs_off+0x10/0x10
[   77.946952]  ? find_held_lock+0x36/0x1d0
[   77.946960]  ? __lock_acquire+0x6a4/0x4500
[   77.946967]  ? load_balance+0xb38/0x2190
[   77.946973]  ? lock_downgrade+0x7f0/0x7f0
[   77.946978]  ? lock_pin_lock+0x340/0x340
[   77.946992]  ? __lock_acquire+0x6a4/0x4500
[   78.054200]  ? trace_hardirqs_off+0x10/0x10
[   78.058504]  ? __lock_is_held+0xb5/0x140
[   78.062541]  rtnl_newlink+0xe0c/0x1390
[   78.066405]  ? trace_hardirqs_off+0x10/0x10
[   78.070712]  ? memset+0x31/0x40
[   78.073966]  ? rtnl_newlink+0x6d0/0x1390
[   78.078004]  ? rtnl_link_unregister+0x270/0x270
[   78.082649]  ? finish_task_switch+0x178/0x650
[   78.087117]  ? finish_task_switch+0x14d/0x650
[   78.091590]  ? find_held_lock+0x36/0x1d0
[   78.095642]  ? __mutex_lock+0x8b7/0x14c0
[   78.099682]  ? lock_downgrade+0x7f0/0x7f0
[   78.103811]  ? do_raw_spin_unlock+0x161/0x250
[   78.108300]  rtnetlink_rcv_msg+0x34f/0x9d0
[   78.112522]  ? rtnl_bridge_getlink+0x760/0x760
[   78.117090]  ? find_held_lock+0x36/0x1d0
[   78.121142]  netlink_rcv_skb+0x133/0x370
[   78.125191]  ? rtnl_bridge_getlink+0x760/0x760
[   78.129751]  ? netlink_ack+0xa00/0xa00
[   78.133613]  ? netlink_deliver_tap+0x8e/0x920
[   78.138084]  rtnetlink_rcv+0x10/0x20
[   78.141771]  netlink_unicast+0x40d/0x5f0
[   78.145809]  ? netlink_attachskb+0x6e0/0x6e0
[   78.150199]  netlink_sendmsg+0x730/0xbd0
[   78.154253]  ? netlink_unicast+0x5f0/0x5f0
[   78.158484]  ? selinux_socket_sendmsg+0x31/0x40
[   78.163141]  ? security_socket_sendmsg+0x6a/0xa0
[   78.167882]  ? netlink_unicast+0x5f0/0x5f0
[   78.172128]  sock_sendmsg+0xb5/0xf0
[   78.175733]  ___sys_sendmsg+0x625/0x920
[   78.179700]  ? trace_hardirqs_off+0x10/0x10
[   78.184016]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   78.188749]  ? find_held_lock+0x36/0x1d0
[   78.192786]  ? lock_downgrade+0x7f0/0x7f0
[   78.196926]  ? __fget+0x1ca/0x2f0
[   78.200364]  ? __fget_light+0x166/0x200
[   78.204337]  ? __fdget+0xe/0x10
[   78.207593]  ? sockfd_lookup_light+0x1c/0x150
[   78.212067]  __sys_sendmsg+0xc1/0x140
[   78.215846]  ? SyS_shutdown+0x180/0x180
[   78.219793]  ? __sb_end_write+0xa4/0xd0
[   78.223746]  ? mutex_unlock+0xd/0x10
[   78.227438]  ? do_syscall_64+0x4c/0x5b0
[   78.231393]  ? __sys_sendmsg+0x140/0x140
[   78.235436]  SyS_sendmsg+0xd/0x20
[   78.238866]  do_syscall_64+0x1c7/0x5b0
[   78.242728]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   78.247546]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   78.252714] RIP: 0033:0x459ef9
[   78.255920] RSP: 002b:00007fc87feaec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   78.263622] RAX: ffffffffffffffda RBX: 00007fc87feaec90 RCX: 0000000000459ef9
[   78.270894] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   78.278159] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   78.285416] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc87feaf6d4
[   78.292664] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
2019/12/13 15:28:24 executed programs: 92
[   78.341101] batman_adv: batadv0: Adding interface: bridge_slave_1
[   78.347353] 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.
[   78.372580] batman_adv: batadv0: Interface activated: bridge_slave_1
[   78.379484] FAULT_INJECTION: forcing a failure.
[   78.379484] name failslab, interval 1, probability 0, space 0, times 0
[   78.401288] CPU: 0 PID: 7067 Comm: syz-executor.1 Not tainted 4.14.158-syzkaller #0
[   78.409095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   78.418500] Call Trace:
[   78.421075]  dump_stack+0xf7/0x13b
[   78.421087]  should_fail.cold.3+0x105/0x14b
[   78.421097]  should_failslab+0xba/0xf0
[   78.421104]  kmem_cache_alloc+0x2cf/0x790
[   78.428950]  ? memcpy+0x45/0x50
[   78.440193]  ? kstrdup+0x42/0x60
[   78.443537]  __kernfs_new_node+0x63/0x3e0
[   78.447659]  ? lock_downgrade+0x7f0/0x7f0
[   78.451793]  kernfs_new_node+0x5e/0xe0
[   78.455664]  kernfs_create_link+0x25/0x130
[   78.459873]  sysfs_do_create_link_sd.isra.2+0x7d/0xf0
[   78.465048]  sysfs_create_link+0x43/0xb0
[   78.469091]  netdev_adjacent_sysfs_add+0x94/0xb0
[   78.473828]  ? napi_disable+0x80/0x80
[   78.477626]  __netdev_adjacent_dev_insert+0x46d/0x7b0
[   78.482806]  __netdev_upper_dev_link+0x174/0x1f0
[   78.487550]  ? netdev_upper_dev_unlink+0xe0/0xe0
[   78.492286]  netdev_master_upper_dev_link+0x14/0x20
[   78.497799]  batadv_hardif_enable_interface+0x1af/0x990
[   78.503153]  batadv_softif_slave_add+0x82/0xe0
[   78.507724]  do_set_master+0x163/0x1f0
[   78.511589]  do_setlink+0x9dd/0x2c50
[   78.515278]  ? find_held_lock+0x36/0x1d0
[   78.519319]  ? rtnl_register+0x20/0x20
[   78.523188]  ? load_balance+0xb38/0x2190
[   78.527232]  ? lock_downgrade+0x7f0/0x7f0
[   78.531358]  ? lock_pin_lock+0x340/0x340
[   78.535414]  ? __lock_acquire+0x6a4/0x4500
[   78.539671]  ? trace_hardirqs_off+0x10/0x10
[   78.543982]  ? __lock_is_held+0xb5/0x140
[   78.548104]  ? trace_hardirqs_off+0x10/0x10
[   78.552408]  rtnl_newlink+0xe0c/0x1390
[   78.556277]  ? rtnl_link_unregister+0x270/0x270
[   78.560928]  ? finish_task_switch+0x178/0x650
[   78.565402]  ? finish_task_switch+0x14d/0x650
[   78.569880]  ? find_held_lock+0x36/0x1d0
[   78.573921]  ? __mutex_lock+0x8b7/0x14c0
[   78.577973]  ? lock_downgrade+0x7f0/0x7f0
[   78.582105]  ? do_raw_spin_unlock+0x161/0x250
[   78.586601]  rtnetlink_rcv_msg+0x34f/0x9d0
[   78.590811]  ? rtnl_bridge_getlink+0x760/0x760
[   78.595494]  ? find_held_lock+0x36/0x1d0
[   78.599547]  netlink_rcv_skb+0x133/0x370
[   78.603589]  ? rtnl_bridge_getlink+0x760/0x760
[   78.608154]  ? netlink_ack+0xa00/0xa00
[   78.612018]  ? netlink_deliver_tap+0x8e/0x920
[   78.616489]  rtnetlink_rcv+0x10/0x20
[   78.620184]  netlink_unicast+0x40d/0x5f0
[   78.624229]  ? netlink_attachskb+0x6e0/0x6e0
[   78.628613]  netlink_sendmsg+0x730/0xbd0
[   78.632650]  ? netlink_unicast+0x5f0/0x5f0
[   78.636862]  ? selinux_socket_sendmsg+0x31/0x40
[   78.641512]  ? security_socket_sendmsg+0x6a/0xa0
[   78.646264]  ? netlink_unicast+0x5f0/0x5f0
[   78.650476]  sock_sendmsg+0xb5/0xf0
[   78.654079]  ___sys_sendmsg+0x625/0x920
[   78.658028]  ? trace_hardirqs_off+0x10/0x10
[   78.662333]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   78.667209]  ? find_held_lock+0x36/0x1d0
[   78.671262]  ? lock_downgrade+0x7f0/0x7f0
[   78.675399]  ? __fget+0x1ca/0x2f0
[   78.678828]  ? __fget_light+0x166/0x200
[   78.682783]  ? __fdget+0xe/0x10
[   78.686045]  ? sockfd_lookup_light+0x1c/0x150
[   78.690566]  __sys_sendmsg+0xc1/0x140
[   78.694340]  ? SyS_shutdown+0x180/0x180
[   78.698289]  ? __sb_end_write+0xa4/0xd0
[   78.702245]  ? mutex_unlock+0xd/0x10
[   78.705959]  ? do_syscall_64+0x4c/0x5b0
[   78.709912]  ? __sys_sendmsg+0x140/0x140
[   78.713989]  SyS_sendmsg+0xd/0x20
[   78.717419]  do_syscall_64+0x1c7/0x5b0
[   78.721285]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   78.726126]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   78.731299] RIP: 0033:0x459ef9
[   78.734485] RSP: 002b:00007f899e9ddc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   78.742171] RAX: ffffffffffffffda RBX: 00007f899e9ddc90 RCX: 0000000000459ef9
[   78.749423] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   78.756667] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   78.763913] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f899e9de6d4
[   78.771159] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   78.780140] FAULT_INJECTION: forcing a failure.
[   78.780140] name failslab, interval 1, probability 0, space 0, times 0
[   78.792042] CPU: 1 PID: 7071 Comm: syz-executor.0 Not tainted 4.14.158-syzkaller #0
[   78.799838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   78.809179] Call Trace:
[   78.811750]  dump_stack+0xf7/0x13b
[   78.815269]  should_fail.cold.3+0x105/0x14b
[   78.819571]  should_failslab+0xba/0xf0
[   78.823434]  kmem_cache_alloc_trace+0x2ea/0x7a0
[   78.828105]  ? __wake_up+0xe/0x10
[   78.831534]  ? netlink_broadcast_filtered+0x297/0x8f0
[   78.836704]  ? __alloc_skb+0x308/0x500
[   78.840577]  netdevice_event+0x16b/0x6d0
[   78.844617]  ? update_gid_event_work_handler+0xb0/0xb0
[   78.849883]  ? add_netdev_upper_ips+0x20/0x20
[   78.854359]  ? inetaddr_event+0x190/0x190
[   78.858482]  ? _add_netdev_ips+0x30/0x30
[   78.862517]  ? is_eth_port_of_netdev.part.7+0x1e0/0x1e0
[   78.867856]  ? rtmsg_ifinfo_event.part.27+0x7a/0xb0
[   78.872871]  notifier_call_chain+0xd6/0x150
[   78.877171]  raw_notifier_call_chain+0x11/0x20
[   78.881728]  call_netdevice_notifiers_info+0x4b/0x60
[   78.886819]  netdev_upper_dev_unlink+0xab/0xe0
[   78.891381]  ? __netdev_adjacent_dev_unlink_neighbour+0x30/0x30
[   78.897437]  bond_upper_dev_unlink.isra.45+0x33/0xc0
[   78.902526]  __bond_release_one+0x2c2/0x1370
[   78.906918]  ? bond_enslave+0x4a80/0x4a80
[   78.911056]  ? __lock_acquire+0x6a4/0x4500
[   78.915274]  bond_release+0xd/0x10
[   78.918790]  do_set_master+0xb6/0x1f0
[   78.922564]  do_setlink+0x9dd/0x2c50
[   78.926265]  ? __lock_acquire+0x6a4/0x4500
[   78.930490]  ? rtnl_register+0x20/0x20
[   78.934355]  ? __lock_acquire+0x6a4/0x4500
[   78.938566]  ? __lock_acquire+0x6a4/0x4500
[   78.942773]  ? trace_hardirqs_on+0x10/0x10
[   78.947014]  ? trace_hardirqs_off+0x10/0x10
[   78.951323]  ? __lock_acquire+0x6a4/0x4500
[   78.955557]  ? trace_hardirqs_off+0x10/0x10
[   78.959858]  rtnl_newlink+0xe0c/0x1390
[   78.963721]  ? memset+0x31/0x40
[   78.966989]  ? rtnl_newlink+0x6d0/0x1390
[   78.972225]  ? rtnl_link_unregister+0x270/0x270
[   78.976876]  ? finish_task_switch+0x178/0x650
[   78.981346]  ? finish_task_switch+0x14d/0x650
[   78.985815]  ? find_held_lock+0x36/0x1d0
[   78.989857]  ? __mutex_lock+0x8b7/0x14c0
[   78.993894]  ? lock_downgrade+0x7f0/0x7f0
[   78.998019]  ? do_raw_spin_unlock+0x161/0x250
[   79.002502]  rtnetlink_rcv_msg+0x34f/0x9d0
[   79.006711]  ? rtnl_bridge_getlink+0x760/0x760
[   79.011279]  ? find_held_lock+0x36/0x1d0
[   79.015317]  netlink_rcv_skb+0x133/0x370
[   79.019357]  ? rtnl_bridge_getlink+0x760/0x760
[   79.023915]  ? netlink_ack+0xa00/0xa00
[   79.027790]  ? netlink_deliver_tap+0x8e/0x920
[   79.032272]  rtnetlink_rcv+0x10/0x20
[   79.035958]  netlink_unicast+0x40d/0x5f0
[   79.039994]  ? netlink_attachskb+0x6e0/0x6e0
[   79.044384]  netlink_sendmsg+0x730/0xbd0
[   79.048419]  ? netlink_unicast+0x5f0/0x5f0
[   79.052626]  ? selinux_socket_sendmsg+0x31/0x40
[   79.057386]  ? security_socket_sendmsg+0x6a/0xa0
[   79.062131]  ? netlink_unicast+0x5f0/0x5f0
[   79.066441]  sock_sendmsg+0xb5/0xf0
[   79.070045]  ___sys_sendmsg+0x625/0x920
[   79.073996]  ? trace_hardirqs_off+0x10/0x10
[   79.078330]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   79.083068]  ? find_held_lock+0x36/0x1d0
[   79.087116]  ? lock_downgrade+0x7f0/0x7f0
[   79.091248]  ? __fget+0x1ca/0x2f0
[   79.094738]  ? __fget_light+0x166/0x200
[   79.098704]  ? __fdget+0xe/0x10
[   79.101963]  ? sockfd_lookup_light+0x1c/0x150
[   79.106439]  __sys_sendmsg+0xc1/0x140
[   79.110224]  ? SyS_shutdown+0x180/0x180
[   79.114176]  ? __sb_end_write+0xa4/0xd0
[   79.118127]  ? mutex_unlock+0xd/0x10
[   79.121848]  ? do_syscall_64+0x4c/0x5b0
[   79.125795]  ? __sys_sendmsg+0x140/0x140
[   79.129889]  SyS_sendmsg+0xd/0x20
[   79.133317]  do_syscall_64+0x1c7/0x5b0
[   79.137176]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   79.141994]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   79.147157] RIP: 0033:0x459ef9
[   79.150320] RSP: 002b:00007f7ed33cac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   79.158044] RAX: ffffffffffffffda RBX: 00007f7ed33cac90 RCX: 0000000000459ef9
[   79.165289] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   79.172564] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   79.179807] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7ed33cb6d4
[   79.187058] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   79.194883] bond0: Releasing backup interface bond_slave_0
[   79.242353] batman_adv: batadv0: Adding interface: bond_slave_0
[   79.248509] 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.
[   79.273564] batman_adv: batadv0: Not using interface bond_slave_0 (retrying later): interface not active
[   79.283678] FAULT_INJECTION: forcing a failure.
[   79.283678] name failslab, interval 1, probability 0, space 0, times 0
[   79.295997] CPU: 1 PID: 7074 Comm: syz-executor.3 Not tainted 4.14.158-syzkaller #0
[   79.303786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   79.313128] Call Trace:
[   79.313140]  dump_stack+0xf7/0x13b
[   79.313150]  should_fail.cold.3+0x105/0x14b
[   79.313160]  should_failslab+0xba/0xf0
[   79.313167]  kmem_cache_alloc_trace+0x2ea/0x7a0
[   79.313174]  ? __wake_up+0xe/0x10
[   79.335521]  ? netlink_broadcast_filtered+0x297/0x8f0
[   79.340711]  ? __alloc_skb+0x308/0x500
[   79.344587]  netdevice_event+0x16b/0x6d0
[   79.348628]  ? update_gid_event_work_handler+0xb0/0xb0
[   79.353893]  ? add_netdev_upper_ips+0x20/0x20
[   79.358364]  ? inetaddr_event+0x190/0x190
[   79.362495]  ? _add_netdev_ips+0x30/0x30
[   79.366538]  ? is_eth_port_of_netdev.part.7+0x1e0/0x1e0
[   79.371885]  ? rtmsg_ifinfo_event.part.27+0x7a/0xb0
[   79.376885]  notifier_call_chain+0xd6/0x150
[   79.381189]  raw_notifier_call_chain+0x11/0x20
[   79.385753]  call_netdevice_notifiers_info+0x4b/0x60
[   79.390840]  netdev_upper_dev_unlink+0xab/0xe0
[   79.395401]  ? __netdev_adjacent_dev_unlink_neighbour+0x30/0x30
[   79.401526]  bond_upper_dev_unlink.isra.45+0x33/0xc0
[   79.406614]  __bond_release_one+0x2c2/0x1370
[   79.411017]  ? bond_enslave+0x4a80/0x4a80
[   79.415155]  ? __lock_acquire+0x6a4/0x4500
[   79.419367]  bond_release+0xd/0x10
[   79.422884]  do_set_master+0xb6/0x1f0
[   79.426662]  do_setlink+0x9dd/0x2c50
[   79.430354]  ? rtnl_register+0x20/0x20
[   79.434231]  ? trace_hardirqs_off+0x10/0x10
[   79.438534]  ? __lock_acquire+0x6a4/0x4500
[   79.442745]  ? trace_hardirqs_on+0x10/0x10
[   79.446956]  ? __lock_acquire+0x6a4/0x4500
[   79.451170]  ? trace_hardirqs_off+0x10/0x10
[   79.455481]  ? trace_hardirqs_off+0x10/0x10
[   79.459790]  rtnl_newlink+0xe0c/0x1390
[   79.463657]  ? memset+0x31/0x40
[   79.466913]  ? rtnl_newlink+0x6d0/0x1390
[   79.470988]  ? rtnl_link_unregister+0x270/0x270
[   79.475653]  ? finish_task_switch+0x178/0x650
[   79.480136]  ? finish_task_switch+0x14d/0x650
[   79.484644]  ? find_held_lock+0x36/0x1d0
[   79.488688]  ? __mutex_lock+0x8b7/0x14c0
[   79.492723]  ? lock_downgrade+0x7f0/0x7f0
[   79.496850]  ? do_raw_spin_unlock+0x161/0x250
[   79.501350]  rtnetlink_rcv_msg+0x34f/0x9d0
[   79.505565]  ? rtnl_bridge_getlink+0x760/0x760
[   79.510124]  ? find_held_lock+0x36/0x1d0
[   79.514165]  netlink_rcv_skb+0x133/0x370
[   79.518211]  ? rtnl_bridge_getlink+0x760/0x760
[   79.522769]  ? netlink_ack+0xa00/0xa00
[   79.526644]  ? netlink_deliver_tap+0x8e/0x920
[   79.531118]  rtnetlink_rcv+0x10/0x20
[   79.534812]  netlink_unicast+0x40d/0x5f0
[   79.538850]  ? netlink_attachskb+0x6e0/0x6e0
[   79.543238]  netlink_sendmsg+0x730/0xbd0
[   79.547291]  ? netlink_unicast+0x5f0/0x5f0
[   79.551506]  ? selinux_socket_sendmsg+0x31/0x40
[   79.556149]  ? security_socket_sendmsg+0x6a/0xa0
[   79.560878]  ? netlink_unicast+0x5f0/0x5f0
[   79.565108]  sock_sendmsg+0xb5/0xf0
[   79.568733]  ___sys_sendmsg+0x625/0x920
[   79.572700]  ? trace_hardirqs_off+0x10/0x10
[   79.577011]  ? copy_msghdr_from_user+0x3f0/0x3f0
[   79.581743]  ? find_held_lock+0x36/0x1d0
[   79.585783]  ? lock_downgrade+0x7f0/0x7f0
[   79.589933]  ? __fget+0x1ca/0x2f0
[   79.593382]  ? __fget_light+0x166/0x200
[   79.597329]  ? __fdget+0xe/0x10
[   79.600587]  ? sockfd_lookup_light+0x1c/0x150
[   79.605080]  __sys_sendmsg+0xc1/0x140
[   79.608854]  ? SyS_shutdown+0x180/0x180
[   79.612809]  ? __sb_end_write+0xa4/0xd0
[   79.616758]  ? mutex_unlock+0xd/0x10
[   79.620453]  ? do_syscall_64+0x4c/0x5b0
[   79.624402]  ? __sys_sendmsg+0x140/0x140
[   79.628444]  SyS_sendmsg+0xd/0x20
[   79.631877]  do_syscall_64+0x1c7/0x5b0
[   79.635752]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   79.640570]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   79.645732] RIP: 0033:0x459ef9
[   79.648893] RSP: 002b:00007f449f84cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   79.656573] RAX: ffffffffffffffda RBX: 00007f449f84cc90 RCX: 0000000000459ef9
[   79.663833] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003
[   79.671076] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
[   79.678319] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f449f84d6d4
[   79.685575] R13: 00000000004c81fc R14: 00000000004de220 R15: 0000000000000006
[   79.693542] bond0: Releasing backup interface bond_slave_0
[   79.701610] ------------[ cut here ]------------
[   79.706504] WARNING: CPU: 0 PID: 22 at net/batman-adv/bat_iv_ogm.c:555 batadv_iv_send_outstanding_bat_ogm_packet+0x5dc/0x770
[   79.717940] Kernel panic - not syncing: panic_on_warn set ...
[   79.717940] 
[   79.725431] CPU: 0 PID: 22 Comm: kworker/u4:1 Not tainted 4.14.158-syzkaller #0
[   79.732855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   79.742196] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[   79.749268] Call Trace:
[   79.751830]  dump_stack+0xf7/0x13b
[   79.755344]  ? batadv_iv_send_outstanding_bat_ogm_packet+0x5dc/0x770
[   79.761813]  panic+0x1b0/0x358
[   79.764978]  ? add_taint.cold.5+0x11/0x11
[   79.769221]  ? batadv_iv_send_outstanding_bat_ogm_packet+0x5dc/0x770
[   79.775689]  __warn.cold.8+0x25/0x2c
[   79.779421]  ? batadv_iv_send_outstanding_bat_ogm_packet+0x5dc/0x770
[   79.785989]  report_bug+0x1a4/0x1f3
[   79.789590]  do_error_trap+0x1bd/0x310
[   79.793455]  ? math_error+0x300/0x300
[   79.797262]  ? find_held_lock+0x36/0x1d0
[   79.801302]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   79.806120]  do_invalid_op+0x1b/0x20
[   79.809825]  invalid_op+0x1b/0x40
[   79.813262] RIP: 0010:batadv_iv_send_outstanding_bat_ogm_packet+0x5dc/0x770
[   79.820337] RSP: 0018:ffff8880a9e4fce8 EFLAGS: 00010286
[   79.825682] RAX: ffff8880a53dfac0 RBX: ffff8880a90435c8 RCX: 1ffff11011da8abd
[   79.832925] RDX: 0000000000000000 RSI: ffffffff87990ea0 RDI: ffff88808ed455e8
[   79.840183] RBP: ffff8880a9e4fd60 R08: ffff8880a9e40e88 R09: 0000000000004406
[   79.847427] R10: 0000000000000028 R11: ffff8880a9e405c0 R12: ffff888081740f00
[   79.854679] R13: ffff8880a9043580 R14: ffff88808ed45580 R15: ffff8880a9043668
[   79.861942]  process_one_work+0x79e/0x16c0
[   79.866155]  ? pwq_dec_nr_in_flight+0x2b0/0x2b0
[   79.870799]  worker_thread+0xcc/0xee0
[   79.874586]  kthread+0x338/0x400
[   79.877926]  ? process_one_work+0x16c0/0x16c0
[   79.882404]  ? kthread_create_on_node+0xa0/0xa0
[   79.887056]  ret_from_fork+0x24/0x30
[   79.892441] Kernel Offset: disabled
[   79.896114] Rebooting in 86400 seconds..