syzkaller login: [ 34.711694] kauditd_printk_skb: 9 callbacks suppressed [ 34.711699] audit: type=1400 audit(1583055520.096:35): avc: denied { map } for pid=6969 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 41.077100] audit: type=1400 audit(1583055526.466:36): avc: denied { map } for pid=6980 comm="syz-fuzzer" path="/root/syz-fuzzer" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 43.169516] IPVS: ftp: loaded support on port[0] = 21 [ 43.571190] can: request_module (can-proto-0) failed. [ 44.630528] can: request_module (can-proto-0) failed. [ 44.805142] audit: type=1400 audit(1583055530.196:37): avc: denied { create } for pid=6980 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 [ 44.829000] audit: type=1400 audit(1583055530.196:38): avc: denied { create } for pid=6980 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 [ 44.852746] audit: type=1400 audit(1583055530.196:39): avc: denied { create } for pid=6980 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 Warning: Permanently added '10.128.1.60' (ECDSA) to the list of known hosts. 2020/03/01 09:38:57 parsed 1 programs 2020/03/01 09:38:58 executed programs: 0 [ 53.057941] IPVS: ftp: loaded support on port[0] = 21 [ 53.067088] IPVS: ftp: loaded support on port[0] = 21 [ 53.068131] IPVS: ftp: loaded support on port[0] = 21 [ 53.167672] IPVS: ftp: loaded support on port[0] = 21 [ 53.167674] IPVS: ftp: loaded support on port[0] = 21 [ 53.178419] IPVS: ftp: loaded support on port[0] = 21 [ 53.264926] chnl_net:caif_netlink_parms(): no params data found [ 53.299328] chnl_net:caif_netlink_parms(): no params data found [ 53.334083] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.340915] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.348205] device bridge_slave_0 entered promiscuous mode [ 53.357270] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.363740] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.370700] device bridge_slave_1 entered promiscuous mode [ 53.388882] chnl_net:caif_netlink_parms(): no params data found [ 53.397988] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 53.425877] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 53.457946] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 53.468039] team0: Port device team_slave_0 added [ 53.480901] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.488630] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.496019] device bridge_slave_0 entered promiscuous mode [ 53.506438] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 53.514120] team0: Port device team_slave_1 added [ 53.522167] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 53.529671] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 53.545049] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.551480] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.558654] device bridge_slave_1 entered promiscuous mode [ 53.611025] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.618012] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.625862] device bridge_slave_0 entered promiscuous mode [ 53.634461] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.640828] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.648447] device bridge_slave_1 entered promiscuous mode [ 53.713443] device hsr_slave_0 entered promiscuous mode [ 53.762175] device hsr_slave_1 entered promiscuous mode [ 53.802950] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 53.810831] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 53.840121] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 53.848685] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 53.856882] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 53.863702] chnl_net:caif_netlink_parms(): no params data found [ 53.883795] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 53.904822] chnl_net:caif_netlink_parms(): no params data found [ 53.925972] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 53.933659] team0: Port device team_slave_0 added [ 53.938886] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 53.946431] team0: Port device team_slave_0 added [ 53.954684] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 53.962057] team0: Port device team_slave_1 added [ 53.967494] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 53.975021] chnl_net:caif_netlink_parms(): no params data found [ 53.993290] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 54.000663] team0: Port device team_slave_1 added [ 54.006729] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 54.019211] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.042466] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.083330] device hsr_slave_0 entered promiscuous mode [ 54.122274] device hsr_slave_1 entered promiscuous mode [ 54.163513] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 54.170638] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 54.204782] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.211270] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.218298] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.224888] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.245314] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.251903] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.258971] device bridge_slave_0 entered promiscuous mode [ 54.305568] device hsr_slave_0 entered promiscuous mode [ 54.342366] device hsr_slave_1 entered promiscuous mode [ 54.388031] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.394454] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.401069] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.407613] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.419641] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.426401] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.433410] device bridge_slave_0 entered promiscuous mode [ 54.439742] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.446608] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.453883] device bridge_slave_1 entered promiscuous mode [ 54.461246] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.468451] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.475364] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.482596] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.491413] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 54.499010] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 54.506625] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.513126] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.520076] device bridge_slave_0 entered promiscuous mode [ 54.526534] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.532965] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.539928] device bridge_slave_1 entered promiscuous mode [ 54.567523] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 54.574722] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.581093] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.588163] device bridge_slave_1 entered promiscuous mode [ 54.605115] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.614664] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.630292] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 54.637594] team0: Port device team_slave_0 added [ 54.644472] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.658539] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.666948] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 54.674478] team0: Port device team_slave_1 added [ 54.680333] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 54.688579] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.703133] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.725529] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.748467] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 54.755825] team0: Port device team_slave_0 added [ 54.761554] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 54.768958] team0: Port device team_slave_1 added [ 54.777082] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 54.784441] team0: Port device team_slave_0 added [ 54.790108] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 54.800151] team0: Port device team_slave_1 added [ 54.843294] device hsr_slave_0 entered promiscuous mode [ 54.902067] device hsr_slave_1 entered promiscuous mode [ 54.942394] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 54.949768] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 54.957811] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.975113] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 54.982522] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 55.024298] device hsr_slave_0 entered promiscuous mode [ 55.062181] device hsr_slave_1 entered promiscuous mode [ 55.104856] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 55.112904] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 55.127004] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 55.148158] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 55.203782] device hsr_slave_0 entered promiscuous mode [ 55.252200] device hsr_slave_1 entered promiscuous mode [ 55.320179] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.338075] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 55.348254] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 55.356806] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.366159] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.386096] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.393320] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 55.407681] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.423624] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.435624] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 55.441715] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.450384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.458311] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.465712] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.473036] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.484496] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.492711] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 55.498812] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.508051] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.517822] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.527966] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.537261] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.544157] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.552672] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.560433] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.566944] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.575490] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 55.586248] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 55.596454] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.604053] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.611468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.619774] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.627888] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.634307] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.641436] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.650040] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.657233] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.664292] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.672217] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.679840] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.686250] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.697939] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 55.709786] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 55.717481] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.727676] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 55.736356] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.742851] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.750775] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.759014] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.767798] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 55.784696] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.794907] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.803665] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.811389] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.817774] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.826386] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 55.836392] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 55.842781] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.850247] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.859733] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 55.866362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.874974] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.882703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.890529] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.898334] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.904752] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.912807] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.919900] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.936433] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 55.944291] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 55.957575] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 55.966392] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 55.973872] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.981284] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.989090] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.996761] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.004671] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.012626] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.020195] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.026626] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.033881] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.040745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.048419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.056332] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.064475] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.070833] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.079138] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.087954] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 56.099527] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 56.108379] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 56.116033] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.124433] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.132289] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.140819] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.148602] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.155218] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.162184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.171906] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 56.180127] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 56.191572] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 56.197797] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.206841] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 56.218136] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 56.225031] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.233088] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.240896] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.248731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.261546] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 56.271536] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 56.283095] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 56.293013] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.300801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.308991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.316922] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.324827] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.333899] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 56.341637] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 56.350315] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 56.360156] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.369376] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 56.376911] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.385156] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.393110] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.400791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.408806] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.416432] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.422969] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.430470] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.437694] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.448415] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 56.458322] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 56.467704] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 56.477964] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 56.485385] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.493658] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.501218] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.509139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.517046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.524970] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.532673] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.540209] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.547855] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.556157] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 56.564303] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.574073] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 56.582806] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.590261] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 56.597847] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.606940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.615221] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.621677] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.628779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.636357] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.644073] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.651058] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.658193] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.666078] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.674941] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 56.685744] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 56.694082] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 56.704695] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 56.710790] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.717668] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.726676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.734622] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.742140] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.749742] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.758624] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.769748] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 56.778507] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 56.784717] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.797659] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 56.805348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.813308] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.820840] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.830133] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 56.836559] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.846367] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 56.858915] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 56.866006] audit: type=1400 audit(1583055542.246:40): avc: denied { associate } for pid=7080 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 56.898472] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 56.909769] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.920554] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.928699] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.935126] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.942845] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.950364] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.958423] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.966592] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 56.976415] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 56.987271] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.001346] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.018764] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.026949] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.039084] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.047036] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.057829] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 57.064769] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.073621] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 57.081652] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 57.097410] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 57.110015] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 57.122476] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 57.131297] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 57.138253] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.146990] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.154969] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.161436] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.168540] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.176852] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.185304] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.193714] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.211895] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.222754] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.233333] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 57.244527] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 57.254259] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 57.267114] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.278086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.289261] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.297084] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.305272] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.313025] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.326168] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.342367] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 57.351302] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 57.391023] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 57.398648] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.406846] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.414627] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.422970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.434951] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.448329] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 57.457918] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.471602] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 57.507211] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.515903] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 57.588190] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 211.961963] INFO: task syz-executor.2:7127 blocked for more than 140 seconds. [ 211.969636] Not tainted 4.19.107-syzkaller #0 [ 211.981819] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 211.989915] syz-executor.2 D28136 7127 7077 0x80000004 [ 212.003725] Call Trace: [ 212.006338] __schedule+0x78c/0x1c10 [ 212.010056] ? pci_mmcfg_check_reserved+0x120/0x120 [ 212.019315] ? rwsem_down_read_failed+0x203/0x3e0 [ 212.025199] ? lockdep_hardirqs_on+0x421/0x5c0 [ 212.029791] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.038551] ? rwsem_down_read_failed+0x21c/0x3e0 [ 212.046308] schedule+0x7f/0x1b0 [ 212.049695] rwsem_down_read_failed+0x21c/0x3e0 [ 212.058490] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 212.064984] ? find_held_lock+0x36/0x1d0 [ 212.069074] call_rwsem_down_read_failed+0x18/0x30 [ 212.078269] down_read+0x49/0xb0 [ 212.081661] ? do_exit+0x617/0x2d20 [ 212.086425] do_exit+0x617/0x2d20 [ 212.089892] ? kasan_check_write+0x14/0x20 [ 212.098253] ? wake_up_q+0xb3/0x100 [ 212.103654] ? mm_update_next_owner+0x680/0x680 [ 212.108342] ? find_held_lock+0x36/0x1d0 [ 212.116470] ? get_signal+0x2c3/0x1a00 [ 212.120477] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.126098] ? get_signal+0x2c3/0x1a00 [ 212.130012] do_group_exit+0xf4/0x2f0 [ 212.138069] get_signal+0x313/0x1a00 [ 212.142911] ? vm_mmap_pgoff+0x15a/0x210 [ 212.146978] ? lock_downgrade+0x860/0x860 [ 212.151137] do_signal+0x87/0x1960 [ 212.159144] ? vm_mmap_pgoff+0x15a/0x210 [ 212.164203] ? vma_is_stack_for_current+0x90/0x90 [ 212.169057] ? setup_sigcontext+0x7d0/0x7d0 [ 212.177443] ? _copy_to_user+0x91/0xb0 [ 212.181360] ? ksys_mmap_pgoff+0xa4/0x650 [ 212.186680] ? exit_to_usermode_loop+0x3a/0x200 [ 212.191373] ? do_syscall_64+0x413/0x4e0 [ 212.199392] ? lockdep_hardirqs_on+0x421/0x5c0 [ 212.205160] ? exit_to_usermode_loop+0x3a/0x200 [ 212.209948] ? trace_hardirqs_on+0x28/0x190 [ 212.218490] exit_to_usermode_loop+0x114/0x200 [ 212.224100] do_syscall_64+0x413/0x4e0 [ 212.228016] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 212.238285] RIP: 0033:0x4592ca [ 212.241509] Code: Bad RIP value. [ 212.245971] RSP: 002b:00007ffe1f2c24c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 212.257972] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00000000004592ca [ 212.266391] RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000 [ 212.277845] RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 [ 212.286377] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 [ 212.297859] R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000 [ 212.306297] INFO: task syz-executor.2:7136 blocked for more than 140 seconds. [ 212.317751] Not tainted 4.19.107-syzkaller #0 [ 212.323842] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 212.335949] syz-executor.2 D28616 7136 7077 0x80000004 [ 212.341604] Call Trace: [ 212.345337] __schedule+0x78c/0x1c10 [ 212.349084] ? pci_mmcfg_check_reserved+0x120/0x120 [ 212.358197] ? rwsem_down_read_failed+0x203/0x3e0 [ 212.365652] ? lockdep_hardirqs_on+0x421/0x5c0 [ 212.370253] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.378949] ? rwsem_down_read_failed+0x21c/0x3e0 [ 212.384979] schedule+0x7f/0x1b0 [ 212.388452] rwsem_down_read_failed+0x21c/0x3e0 [ 212.397087] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 212.403050] ? find_held_lock+0x36/0x1d0 [ 212.407127] call_rwsem_down_read_failed+0x18/0x30 [ 212.416450] down_read+0x49/0xb0 [ 212.419842] ? do_exit+0x617/0x2d20 [ 212.424580] do_exit+0x617/0x2d20 [ 212.428166] ? trace_hardirqs_on+0x28/0x190 [ 212.436667] ? mm_update_next_owner+0x680/0x680 [ 212.441537] ? find_held_lock+0x36/0x1d0 [ 212.447763] ? get_signal+0x2c3/0x1a00 [ 212.451683] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.460407] ? get_signal+0x2c3/0x1a00 [ 212.465455] do_group_exit+0xf4/0x2f0 [ 212.469272] get_signal+0x313/0x1a00 [ 212.477488] ? vm_mmap_pgoff+0x15a/0x210 [ 212.481566] ? lock_downgrade+0x860/0x860 [ 212.486836] do_signal+0x87/0x1960 [ 212.490393] ? vm_mmap_pgoff+0x15a/0x210 [ 212.499125] ? vma_is_stack_for_current+0x90/0x90 [ 212.505016] ? setup_sigcontext+0x7d0/0x7d0 [ 212.509408] ? ksys_dup3+0x2e0/0x2e0 [ 212.517313] ? _copy_to_user+0x91/0xb0 [ 212.521364] ? kasan_check_write+0x14/0x20 [ 212.527580] ? fput+0x18/0x120 [ 212.530811] ? ksys_mmap_pgoff+0x3dc/0x650 [ 212.539186] ? exit_to_usermode_loop+0x3a/0x200 [ 212.544913] ? do_syscall_64+0x413/0x4e0 [ 212.549014] ? lockdep_hardirqs_on+0x421/0x5c0 [ 212.557672] ? exit_to_usermode_loop+0x3a/0x200 [ 212.563418] ? trace_hardirqs_on+0x28/0x190 [ 212.567766] exit_to_usermode_loop+0x114/0x200 [ 212.576755] do_syscall_64+0x413/0x4e0 [ 212.580666] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 212.587083] RIP: 0033:0x459279 [ 212.590307] Code: Bad RIP value. [ 212.597719] RSP: 002b:00007fe6dd744c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 212.607166] RAX: fffffffffffffffc RBX: 0000000000000006 RCX: 0000000000459279 [ 212.618703] RDX: 0000000001000000 RSI: 0000000000001000 RDI: 0000000020ffd000 [ 212.627717] RBP: 000000000075bfc0 R08: 0000000000000004 R09: 0000000000000000 [ 212.639159] R10: 0000000000000011 R11: 0000000000000246 R12: 00007fe6dd7456d4 [ 212.647518] R13: 00000000004c5567 R14: 00000000004d9918 R15: 00000000ffffffff [ 212.659186] [ 212.659186] Showing all locks held in the system: [ 212.666635] 1 lock held by khungtaskd/1036: [ 212.670968] #0: 000000005e9a90ba (rcu_read_lock){....}, at: debug_show_all_locks+0x5b/0x27a [ 212.684433] 1 lock held by rsyslogd/6833: [ 212.688606] #0: 000000002b82a7d7 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 [ 212.698466] 2 locks held by getty/6955: [ 212.705899] #0: 00000000633e1473 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 212.716058] #1: 0000000034a4311a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 212.728361] 2 locks held by getty/6956: [ 212.734218] #0: 00000000cd335a42 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 212.745799] #1: 00000000fe499e94 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 212.757235] 2 locks held by getty/6957: [ 212.761233] #0: 00000000d6ad00a5 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 212.774381] #1: 0000000038ddd384 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 212.785103] 2 locks held by getty/6958: [ 212.789103] #0: 0000000086353ef3 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 212.800647] #1: 00000000d09b0bc0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 212.811468] 2 locks held by getty/6959: [ 212.818765] #0: 000000006043454d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 212.828879] #1: 00000000c00d98b9 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 212.841117] 2 locks held by getty/6960: [ 212.847008] #0: 000000007828dfdd (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 212.858675] #1: 0000000062d81521 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 212.869518] 2 locks held by getty/6961: [ 212.876863] #0: 0000000011addbcd (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 212.887541] #1: 000000002b313271 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 212.899839] 1 lock held by syz-executor.2/7127: [ 212.906482] #0: 000000009b4cb2ac (&mm->mmap_sem){++++}, at: do_exit+0x617/0x2d20 [ 212.917714] 1 lock held by syz-executor.2/7128: [ 212.924205] 1 lock held by syz-executor.2/7136: [ 212.928882] #0: 000000009b4cb2ac (&mm->mmap_sem){++++}, at: do_exit+0x617/0x2d20 [ 212.939914] [ 212.941559] ============================================= [ 212.941559] [ 212.950385] NMI backtrace for cpu 1 [ 212.954116] CPU: 1 PID: 1036 Comm: khungtaskd Not tainted 4.19.107-syzkaller #0 [ 212.961565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 212.970923] Call Trace: [ 212.973519] dump_stack+0x123/0x177 [ 212.977147] nmi_cpu_backtrace.cold.4+0x3e/0x76 [ 212.981826] ? lapic_can_unplug_cpu.cold.29+0x3f/0x3f [ 212.987125] nmi_trigger_cpumask_backtrace+0xe6/0x11a [ 212.992321] arch_trigger_cpumask_backtrace+0x14/0x20 [ 212.997505] watchdog+0x5c3/0xb40 [ 213.000977] kthread+0x324/0x3e0 [ 213.004349] ? hungtask_pm_notify+0x40/0x40 [ 213.008669] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 213.014477] ret_from_fork+0x24/0x30 [ 213.018340] Sending NMI from CPU 1 to CPUs 0: [ 213.023140] NMI backtrace for cpu 0 [ 213.023142] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 4.19.107-syzkaller #0 [ 213.023144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 213.023145] Workqueue: bat_events batadv_nc_worker [ 213.023148] RIP: 0010:mark_held_locks+0xc7/0x130 [ 213.023151] Code: 03 83 e2 07 42 0f b6 04 38 38 d0 7f 04 84 c0 75 5e 0f b6 46 22 8b 55 d4 a8 03 0f 45 55 d0 a8 04 74 0c 4c 89 f7 e8 f9 eb ff ff <85> c0 74 1e 41 0f b6 45 00 83 c3 01 84 c0 74 04 3c 03 7e 40 41 39 [ 213.023152] RSP: 0018:ffff8880aa31fba0 EFLAGS: 00000082 [ 213.023154] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 1ffff11015461951 [ 213.023156] RDX: 1ffffffff12c5108 RSI: ffff8880aa30ca68 RDI: ffffffff89628840 [ 213.023157] RBP: ffff8880aa31fbe0 R08: ffff8880aa30ca88 R09: 0000000000000000 [ 213.023158] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880aa30ca40 [ 213.023160] R13: ffffed1015461947 R14: ffff8880aa30c1c0 R15: dffffc0000000000 [ 213.023161] FS: 0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 213.023163] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 213.023164] CR2: ffffffffff600400 CR3: 000000008fd35000 CR4: 00000000001406f0 [ 213.023166] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 213.023167] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 213.023168] Call Trace: [ 213.023169] ? __local_bh_enable_ip+0x160/0x260 [ 213.023171] ? _raw_spin_unlock_bh+0x30/0x40 [ 213.023172] lockdep_hardirqs_on+0x421/0x5c0 [ 213.023173] ? __local_bh_enable_ip+0x160/0x260 [ 213.023174] ? batadv_nc_purge_paths+0x1d6/0x2f0 [ 213.023175] trace_hardirqs_on+0x28/0x190 [ 213.023176] ? batadv_nc_purge_paths+0x1d6/0x2f0 [ 213.023178] ? batadv_nc_purge_paths+0x1d6/0x2f0 [ 213.023179] __local_bh_enable_ip+0x160/0x260 [ 213.023180] ? batadv_nc_skb_add_to_path+0x2e0/0x2e0 [ 213.023181] _raw_spin_unlock_bh+0x30/0x40 [ 213.023182] batadv_nc_purge_paths+0x1d6/0x2f0 [ 213.023183] batadv_nc_worker+0x1f3/0x630 [ 213.023185] process_one_work+0x830/0x1670 [ 213.023186] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 213.023187] ? lock_acquire+0x173/0x3d0 [ 213.023188] ? kasan_check_write+0x14/0x20 [ 213.023189] ? do_raw_spin_lock+0xd0/0x240 [ 213.023190] worker_thread+0x85/0xb60 [ 213.023191] ? __kthread_parkme+0x47/0x190 [ 213.023192] kthread+0x324/0x3e0 [ 213.023194] ? process_one_work+0x1670/0x1670 [ 213.023195] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 213.023196] ret_from_fork+0x24/0x30 [ 213.025434] Kernel panic - not syncing: hung_task: blocked tasks [ 213.264620] CPU: 1 PID: 1036 Comm: khungtaskd Not tainted 4.19.107-syzkaller #0 [ 213.272063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 213.281423] Call Trace: [ 213.284023] dump_stack+0x123/0x177 [ 213.287655] panic+0x1cd/0x375 [ 213.290850] ? __warn_printk+0xd6/0xd6 [ 213.294850] watchdog+0x5d4/0xb40 [ 213.298306] kthread+0x324/0x3e0 [ 213.301678] ? hungtask_pm_notify+0x40/0x40 [ 213.306003] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 213.311547] ret_from_fork+0x24/0x30 [ 213.317008] Kernel Offset: disabled [ 213.320637] Rebooting in 86400 seconds..