[ 40.163433] audit: type=1400 audit(1577577843.951:37): avc: denied { map } for pid=6752 comm="syz-fuzzer" path="/root/syzkaller-shm396890973" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 40.420957] IPVS: ftp: loaded support on port[0] = 21 [ 41.549317] can: request_module (can-proto-0) failed. [ 41.558881] can: request_module (can-proto-0) failed. [ 41.732664] audit: type=1400 audit(1577577845.521:38): avc: denied { create } for pid=6752 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 [ 41.756275] audit: type=1400 audit(1577577845.521:39): avc: denied { create } for pid=6752 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 [ 41.779875] audit: type=1400 audit(1577577845.521:40): avc: denied { create } for pid=6752 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 [ 42.064449] random: sshd: uninitialized urandom read (32 bytes read) [ 42.840207] random: sshd: uninitialized urandom read (32 bytes read) [ 43.036359] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.103' (ECDSA) to the list of known hosts. 2019/12/29 00:04:13 parsed 1 programs 2019/12/29 00:04:13 executed programs: 0 [ 49.778097] IPVS: ftp: loaded support on port[0] = 21 [ 50.587776] chnl_net:caif_netlink_parms(): no params data found [ 50.595433] IPVS: ftp: loaded support on port[0] = 21 [ 50.627316] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.634395] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.641388] device bridge_slave_0 entered promiscuous mode [ 50.648581] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.655361] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.662678] device bridge_slave_1 entered promiscuous mode [ 50.688293] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.697296] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.723878] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 50.731167] team0: Port device team_slave_0 added [ 50.736722] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 50.744162] team0: Port device team_slave_1 added [ 50.745375] IPVS: ftp: loaded support on port[0] = 21 [ 50.749477] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.766479] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.842297] device hsr_slave_0 entered promiscuous mode [ 50.880460] device hsr_slave_1 entered promiscuous mode [ 50.925177] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 50.939048] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 50.988766] chnl_net:caif_netlink_parms(): no params data found [ 50.996710] IPVS: ftp: loaded support on port[0] = 21 [ 51.013456] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.020103] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.027130] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.033535] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.093004] chnl_net:caif_netlink_parms(): no params data found [ 51.153652] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.161957] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.168879] device bridge_slave_0 entered promiscuous mode [ 51.192425] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.198906] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.207723] device bridge_slave_1 entered promiscuous mode [ 51.215404] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.223135] IPVS: ftp: loaded support on port[0] = 21 [ 51.231412] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.238319] device bridge_slave_0 entered promiscuous mode [ 51.257032] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 51.268433] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.275186] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.282226] device bridge_slave_1 entered promiscuous mode [ 51.289343] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 51.320785] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 51.329822] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 51.343069] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.352350] team0: Port device team_slave_0 added [ 51.359614] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 51.366881] team0: Port device team_slave_1 added [ 51.386800] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.393943] team0: Port device team_slave_0 added [ 51.404034] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.415095] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 51.421549] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.427948] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 51.436762] team0: Port device team_slave_1 added [ 51.444017] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.454686] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.462105] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.543027] device hsr_slave_0 entered promiscuous mode [ 51.590369] device hsr_slave_1 entered promiscuous mode [ 51.668617] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 51.676206] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.693817] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.701266] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.711519] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 51.744068] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.750713] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 51.812173] device hsr_slave_0 entered promiscuous mode [ 51.870480] device hsr_slave_1 entered promiscuous mode [ 51.921481] chnl_net:caif_netlink_parms(): no params data found [ 51.929958] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 51.936907] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.944191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.955434] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 51.961606] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.973600] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 51.988549] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 52.002252] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 52.012806] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.020823] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.028355] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.034743] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.041828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.049522] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.058096] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.064517] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.075419] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.092423] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.092986] IPVS: ftp: loaded support on port[0] = 21 [ 52.100978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.117479] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.140847] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.147862] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.155650] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.163149] device bridge_slave_0 entered promiscuous mode [ 52.197593] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.210991] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.217356] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.224653] device bridge_slave_1 entered promiscuous mode [ 52.245658] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 52.274739] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 52.283879] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 52.303697] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 52.311052] team0: Port device team_slave_0 added [ 52.319551] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 52.326645] team0: Port device team_slave_1 added [ 52.332751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.340606] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.348404] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.357687] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 52.373691] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 52.380813] chnl_net:caif_netlink_parms(): no params data found [ 52.389305] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 52.397298] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.405664] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.421387] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 52.448735] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.458404] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.474091] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 52.533595] device hsr_slave_0 entered promiscuous mode [ 52.580425] device hsr_slave_1 entered promiscuous mode [ 52.620935] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 52.634901] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.642400] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.653859] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 52.659892] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.674277] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 52.696706] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.705198] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.712582] device bridge_slave_0 entered promiscuous mode [ 52.723308] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.729697] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.736813] device bridge_slave_1 entered promiscuous mode [ 52.744305] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.774613] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 52.784173] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.795771] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.807727] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 52.824293] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 52.842513] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 52.849560] team0: Port device team_slave_0 added [ 52.856009] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 52.863234] team0: Port device team_slave_1 added [ 52.871102] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.881356] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 52.887787] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 52.897866] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 52.906472] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.913445] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.975275] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.983204] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 52.989279] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.996809] chnl_net:caif_netlink_parms(): no params data found [ 53.013465] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.052329] device hsr_slave_0 entered promiscuous mode [ 53.090608] device hsr_slave_1 entered promiscuous mode [ 53.160811] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 53.168209] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 53.183754] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 53.197632] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 53.213414] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.223900] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.231817] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.238145] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.245061] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.251978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.260154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.288254] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 53.294728] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.307712] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 53.316635] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 53.324250] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.331742] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.339159] device bridge_slave_0 entered promiscuous mode [ 53.346646] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.353406] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.361111] device bridge_slave_1 entered promiscuous mode [ 53.367419] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.375644] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.383223] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.389543] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.396416] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.404550] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.412212] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.418554] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.425930] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.437244] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 53.449189] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 53.479075] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.489871] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.501038] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.507406] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.514905] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.524008] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.534357] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 53.544313] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 53.555202] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 53.572017] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 53.579462] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.587276] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.599723] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 53.624447] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 53.644978] team0: Port device team_slave_0 added [ 53.652487] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.664918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.681052] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.688723] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.696725] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.714411] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 53.722522] team0: Port device team_slave_1 added [ 53.728908] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.739593] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.748562] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 53.761678] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.769642] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.777655] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.785676] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.794147] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.803289] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.811007] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.818430] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 53.835854] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.845080] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.855106] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 53.863180] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 53.874407] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.898183] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.909213] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.917078] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.929097] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.940751] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 53.948880] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.965884] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 53.973613] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.989030] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.999117] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 54.012271] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.026504] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 54.032970] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.073965] device hsr_slave_0 entered promiscuous mode [ 54.110501] device hsr_slave_1 entered promiscuous mode [ 54.150989] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 54.158768] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 54.171953] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.183350] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.192533] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.200494] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.208121] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.220448] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.239298] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.247984] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 54.259691] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.269213] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 54.296745] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.308847] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.317686] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.332784] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.339171] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.349743] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.360799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.376263] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 54.385018] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 54.399348] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 54.409677] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 54.421558] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.430885] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.438665] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.451241] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.458948] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.465399] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.482281] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.507796] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 54.519975] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 54.535344] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 54.548009] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.559857] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.578288] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.589799] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.596220] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.616169] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 54.632148] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 54.657948] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.669771] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.679429] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.696468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.713136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.726400] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.732810] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.742303] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.751425] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 54.760363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.768020] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.782626] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 54.807736] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.840261] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 54.849653] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 54.862842] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.877684] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.888223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.899182] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.908681] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.919905] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.931424] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 54.946353] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 54.956379] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.979584] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 54.997584] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.009126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.018605] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.026401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.035765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.043204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.051211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.059164] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.069122] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 55.082024] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 55.088104] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.099013] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 55.122731] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready 2019/12/29 00:04:18 executed programs: 6 [ 55.143573] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.167030] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.196420] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 55.206114] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 55.214600] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.223387] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.232227] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.240624] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.248351] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.254758] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.262891] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.274361] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 55.284659] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 55.294186] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.305684] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.315040] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.326221] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.335811] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.342213] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.356130] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 55.382159] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 55.388251] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.413063] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 55.432881] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.439607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.450899] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 55.468761] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 55.484408] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.495703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.521356] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.532620] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 55.550903] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 55.560780] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 55.570505] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 55.584806] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.593378] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.605508] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.613764] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.627079] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.635183] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.647411] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.662882] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.672247] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 55.678298] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.727146] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 55.765232] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 284.630639] INFO: task syz-executor.2:6877 blocked for more than 140 seconds. [ 284.638221] Not tainted 4.14.160-syzkaller #0 [ 284.649685] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.657696] syz-executor.2 D28264 6877 6845 0x80000004 [ 284.668252] Call Trace: [ 284.670866] __schedule+0x786/0x1d30 [ 284.674919] ? pci_mmcfg_check_reserved+0x120/0x120 [ 284.679924] ? mark_held_locks+0xc7/0x130 [ 284.691009] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.695508] ? rwsem_down_read_failed+0x1fc/0x390 [ 284.704503] ? rwsem_down_read_failed+0x1fc/0x390 [ 284.709338] schedule+0x7f/0x1b0 [ 284.713143] rwsem_down_read_failed+0x1fc/0x390 [ 284.717817] ? rwsem_down_write_failed_killable+0xd80/0xd80 [ 284.727689] ? SyS_futex+0xf1/0x250 [ 284.731362] ? do_futex+0x1840/0x1840 [ 284.735169] call_rwsem_down_read_failed+0x18/0x30 [ 284.744600] down_read+0x49/0xb0 [ 284.747966] ? do_exit+0x36b/0x2e20 [ 284.751790] do_exit+0x36b/0x2e20 [ 284.755239] ? trace_hardirqs_off+0x10/0x10 [ 284.759551] ? _raw_spin_unlock_irq+0x27/0x80 [ 284.768343] ? mm_update_next_owner+0x630/0x630 [ 284.773042] ? find_held_lock+0x36/0x1d0 [ 284.777098] ? get_signal+0x2ad/0x1b40 [ 284.785168] ? lock_downgrade+0x7f0/0x7f0 [ 284.789418] do_group_exit+0xf4/0x2f0 [ 284.794130] get_signal+0x2fe/0x1b40 [ 284.797851] ? lock_downgrade+0x7f0/0x7f0 [ 284.806144] do_signal+0x7f/0x19a0 [ 284.809689] ? down_write_killable+0xa3/0xc0 [ 284.814432] ? vm_mmap_pgoff+0x146/0x200 [ 284.818508] ? setup_sigcontext+0x7d0/0x7d0 [ 284.827288] ? vma_is_stack_for_current+0x90/0x90 [ 284.832178] ? kvm_clock_read+0x23/0x40 [ 284.836144] ? kvm_clock_get_cycles+0x9/0x10 [ 284.844823] ? ktime_get+0x142/0x240 [ 284.848558] ? SyS_futex+0xf1/0x250 [ 284.852407] ? SyS_mmap_pgoff+0x9d/0x6b0 [ 284.856472] ? do_futex+0x1840/0x1840 [ 284.864478] ? exit_to_usermode_loop+0x3a/0x1b0 [ 284.869150] exit_to_usermode_loop+0x114/0x1b0 [ 284.873936] do_syscall_64+0x418/0x5b0 [ 284.877814] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.886998] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 284.892249] RIP: 0033:0x458c7a [ 284.895442] RSP: 002b:00007ffe13e4b828 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 284.907505] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 0000000000458c7a [ 284.914814] RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000 [ 284.926923] RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 [ 284.934221] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 [ 284.945807] R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000 [ 284.954020] INFO: task syz-executor.2:6878 blocked for more than 140 seconds. [ 284.965586] Not tainted 4.14.160-syzkaller #0 [ 284.970692] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.978663] syz-executor.2 D28784 6878 6845 0x80000004 [ 284.988641] Call Trace: [ 284.991321] __schedule+0x786/0x1d30 [ 284.995034] ? pci_mmcfg_check_reserved+0x120/0x120 [ 285.004284] ? mark_held_locks+0xc7/0x130 [ 285.008782] ? _raw_spin_unlock_irq+0x27/0x80 [ 285.013525] ? rwsem_down_read_failed+0x1fc/0x390 [ 285.018361] ? rwsem_down_read_failed+0x1fc/0x390 [ 285.027321] schedule+0x7f/0x1b0 [ 285.033184] rwsem_down_read_failed+0x1fc/0x390 [ 285.037849] ? rwsem_down_write_failed_killable+0xd80/0xd80 [ 285.047849] ? SyS_futex+0xf1/0x250 [ 285.052158] ? do_futex+0x1840/0x1840 [ 285.055959] call_rwsem_down_read_failed+0x18/0x30 [ 285.065147] down_read+0x49/0xb0 [ 285.068517] ? do_exit+0x36b/0x2e20 [ 285.072388] do_exit+0x36b/0x2e20 [ 285.075839] ? trace_hardirqs_off+0x10/0x10 [ 285.084328] ? mm_update_next_owner+0x630/0x630 [ 285.088993] ? find_held_lock+0x36/0x1d0 [ 285.094314] ? get_signal+0x2ad/0x1b40 [ 285.098219] ? lock_downgrade+0x7f0/0x7f0 [ 285.106631] do_group_exit+0xf4/0x2f0 [ 285.112656] get_signal+0x2fe/0x1b40 [ 285.116402] do_signal+0x7f/0x19a0 [ 285.119954] ? lock_downgrade+0x7f0/0x7f0 [ 285.128487] ? setup_sigcontext+0x7d0/0x7d0 [ 285.132998] ? kasan_check_read+0x11/0x20 [ 285.137580] ? _copy_to_user+0x91/0xb0 [ 285.145771] ? do_futex+0x1840/0x1840 [ 285.149577] ? SyS_futex+0xf1/0x250 [ 285.153570] ? do_futex+0x1840/0x1840 [ 285.157458] ? exit_to_usermode_loop+0x3a/0x1b0 [ 285.166275] exit_to_usermode_loop+0x114/0x1b0 [ 285.170933] do_syscall_64+0x418/0x5b0 [ 285.174818] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.179674] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 285.190247] RIP: 0033:0x458c29 [ 285.193462] RSP: 002b:00007f7a9e2f7cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 285.205395] RAX: fffffffffffffe00 RBX: 000000000073bf08 RCX: 0000000000458c29 [ 285.212748] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000073bf08 [ 285.224392] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 285.231742] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000073bf0c [ 285.239008] R13: 00007ffe13e4b8cf R14: 00007f7a9e2f89c0 R15: 000000000073bf0c [ 285.250575] [ 285.250575] Showing all locks held in the system: [ 285.256908] 1 lock held by khungtaskd/1012: [ 285.261416] #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x79/0x218 [ 285.270534] 2 locks held by getty/6730: [ 285.274497] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x2d/0x40 [ 285.283210] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x18f0 [ 285.292514] 2 locks held by getty/6731: [ 285.296475] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x2d/0x40 [ 285.305161] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x18f0 [ 285.314472] 2 locks held by getty/6732: [ 285.318429] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x2d/0x40 [ 285.327114] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x18f0 [ 285.336500] 2 locks held by getty/6733: [ 285.340475] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x2d/0x40 [ 285.349142] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x18f0 [ 285.358447] 2 locks held by getty/6734: [ 285.362430] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x2d/0x40 [ 285.371114] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x18f0 [ 285.380410] 2 locks held by getty/6735: [ 285.384371] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x2d/0x40 [ 285.393058] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x18f0 [ 285.402351] 2 locks held by getty/6736: [ 285.406308] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x2d/0x40 [ 285.415010] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x18f0 [ 285.424335] 1 lock held by syz-executor.2/6877: [ 285.428992] #0: (&mm->mmap_sem){++++}, at: [] do_exit+0x36b/0x2e20 [ 285.437134] 1 lock held by syz-executor.2/6878: [ 285.441814] #0: (&mm->mmap_sem){++++}, at: [] do_exit+0x36b/0x2e20 [ 285.449886] [ 285.451532] ============================================= [ 285.451532] [ 285.462775] NMI backtrace for cpu 0 [ 285.466417] CPU: 0 PID: 1012 Comm: khungtaskd Not tainted 4.14.160-syzkaller #0 [ 285.473849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.483189] Call Trace: [ 285.485775] dump_stack+0xf7/0x13b [ 285.489310] nmi_cpu_backtrace.cold.4+0x3e/0x76 [ 285.493972] ? irq_force_complete_move.cold.16+0x64/0x64 [ 285.499416] nmi_trigger_cpumask_backtrace+0xe5/0x119 [ 285.504597] arch_trigger_cpumask_backtrace+0x14/0x20 [ 285.509949] watchdog+0x522/0xb40 [ 285.513403] ? trace_hardirqs_on_caller+0x40c/0x580 [ 285.521799] kthread+0x33b/0x410 [ 285.525166] ? hungtask_pm_notify+0x40/0x40 [ 285.529474] ? kthread_create_on_node+0xa0/0xa0 [ 285.534152] ret_from_fork+0x3a/0x50 [ 285.537911] Sending NMI from CPU 0 to CPUs 1: [ 285.542625] NMI backtrace for cpu 1 [ 285.542627] CPU: 1 PID: 6879 Comm: syz-executor.2 Not tainted 4.14.160-syzkaller #0 [ 285.542628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.542630] task: ffff88808596c100 task.stack: ffff888083c18000 [ 285.542631] RIP: 0010:match_held_lock+0x2cb/0x740 [ 285.542632] RSP: 0018:ffff888083c1f928 EFLAGS: 00000086 [ 285.542635] RAX: 0000000000000001 RBX: ffffed1010783f28 RCX: ffff888083c1fa60 [ 285.542636] RDX: dffffc0000000000 RSI: ffff88809538ce40 RDI: ffff88808596c9b8 [ 285.542638] RBP: ffff888083c1f9c8 R08: 0000000000000001 R09: 0000000000000000 [ 285.542639] R10: ffff888083c1fb88 R11: ffff888085d85a80 R12: 0000000000000001 [ 285.542640] R13: ffff88808596c9a8 R14: ffff88809538ce40 R15: ffff888083c1f9a0 [ 285.542642] FS: 00007f7a9e2d7700(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 [ 285.542643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 285.542645] CR2: 0000000001986678 CR3: 0000000094c08000 CR4: 00000000001406e0 [ 285.542646] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 285.542647] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 285.542648] Call Trace: [ 285.542649] ? perf_mmap+0x4ae/0x1330 [ 285.542650] ? trace_hardirqs_off+0x10/0x10 [ 285.542651] ? lock_acquire+0x173/0x400 [ 285.542652] ? perf_mmap+0x4ae/0x1330 [ 285.542653] ? perf_mmap+0x4ae/0x1330 [ 285.542654] find_held_lock+0x36/0x1d0 [ 285.542655] lock_release+0x258/0x830 [ 285.542656] ? retint_kernel+0x2d/0x2d [ 285.542657] ? perf_mmap+0x5a5/0x1330 [ 285.542658] ? lock_downgrade+0x7f0/0x7f0 [ 285.542659] __mutex_unlock_slowpath+0x7d/0x7e0 [ 285.542660] ? wait_for_completion+0x440/0x440 [ 285.542661] ? __mutex_lock+0x28/0x14c0 [ 285.542662] mutex_unlock+0xd/0x10 [ 285.542663] perf_mmap+0x5a5/0x1330 [ 285.542665] mmap_region+0x7a7/0xfa0 [ 285.542666] do_mmap+0x544/0xe20 [ 285.542667] vm_mmap_pgoff+0x181/0x200 [ 285.542668] ? vma_is_stack_for_current+0x90/0x90 [ 285.542669] SyS_mmap_pgoff+0x3ca/0x6b0 [ 285.542670] ? find_mergeable_anon_vma+0x290/0x290 [ 285.542671] ? SyS_clock_settime+0x1b0/0x1b0 [ 285.542672] ? do_syscall_64+0x4c/0x5b0 [ 285.542673] ? align_vdso_addr+0x60/0x60 [ 285.542674] SyS_mmap+0x16/0x20 [ 285.542675] do_syscall_64+0x1c9/0x5b0 [ 285.542677] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.542678] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 285.542679] RIP: 0033:0x458c29 [ 285.542680] RSP: 002b:00007f7a9e2d6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 285.542682] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000458c29 [ 285.542683] RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020ffd000 [ 285.542685] RBP: 000000000073bfa0 R08: 0000000000000003 R09: 0000000000000000 [ 285.542686] R10: 0000000000001011 R11: 0000000000000246 R12: 00007f7a9e2d76d4 [ 285.542687] R13: 00000000004c4bb0 R14: 00000000004d87f8 R15: 00000000ffffffff [ 285.542688] Code: 00 00 49 8b 3e e8 36 de ff ff 45 31 e4 48 b8 00 00 00 00 00 fc ff df 48 01 c3 44 89 e0 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 <48> 83 c4 78 5b 41 5c 41 5d 41 5e 41 5f 5d c3 41 bc 01 00 00 00 [ 285.544569] Kernel panic - not syncing: hung_task: blocked tasks [ 285.843299] CPU: 0 PID: 1012 Comm: khungtaskd Not tainted 4.14.160-syzkaller #0 [ 285.850733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.860162] Call Trace: [ 285.862773] dump_stack+0xf7/0x13b [ 285.866307] panic+0x1b0/0x36a [ 285.869490] ? add_taint.cold.5+0x11/0x11 [ 285.873637] watchdog+0x533/0xb40 [ 285.877081] ? trace_hardirqs_on_caller+0x40c/0x580 [ 285.882092] kthread+0x33b/0x410 [ 285.885468] ? hungtask_pm_notify+0x40/0x40 [ 285.889794] ? kthread_create_on_node+0xa0/0xa0 [ 285.894473] ret_from_fork+0x3a/0x50 [ 285.899815] Kernel Offset: disabled [ 285.903490] Rebooting in 86400 seconds..