[ 19.004789] random: 7 urandom warning(s) missed due to ratelimiting Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 30.842920] audit: type=1400 audit(1597748926.649:8): avc: denied { execmem } for pid=6260 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 30.851149] IPVS: ftp: loaded support on port[0] = 21 [ 31.227571] can: request_module (can-proto-0) failed. [ 31.801396] can: request_module (can-proto-0) failed. [ 31.825662] audit: type=1400 audit(1597748927.630:9): avc: denied { create } for pid=6239 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.0.197' (ECDSA) to the list of known hosts. 2020/08/18 11:08:55 parsed 1 programs 2020/08/18 11:08:56 executed programs: 0 [ 40.236422] audit: type=1400 audit(1597748936.043:10): avc: denied { execmem } for pid=6381 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 40.272913] IPVS: ftp: loaded support on port[0] = 21 [ 40.283729] IPVS: ftp: loaded support on port[0] = 21 [ 40.299650] IPVS: ftp: loaded support on port[0] = 21 [ 40.344932] IPVS: ftp: loaded support on port[0] = 21 [ 40.344936] IPVS: ftp: loaded support on port[0] = 21 [ 40.384798] IPVS: ftp: loaded support on port[0] = 21 [ 40.521279] chnl_net:caif_netlink_parms(): no params data found [ 40.546247] chnl_net:caif_netlink_parms(): no params data found [ 40.659486] chnl_net:caif_netlink_parms(): no params data found [ 40.686863] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.695462] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.703510] device bridge_slave_0 entered promiscuous mode [ 40.713489] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.720252] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.726964] device bridge_slave_1 entered promiscuous mode [ 40.749351] chnl_net:caif_netlink_parms(): no params data found [ 40.764164] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.770720] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.778702] device bridge_slave_0 entered promiscuous mode [ 40.786312] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.793819] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.801166] device bridge_slave_1 entered promiscuous mode [ 40.847579] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.882252] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.899553] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.910230] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.920673] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.929325] device bridge_slave_0 entered promiscuous mode [ 40.936938] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.944286] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.951805] device bridge_slave_1 entered promiscuous mode [ 40.958265] chnl_net:caif_netlink_parms(): no params data found [ 40.974522] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.995076] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.003527] team0: Port device team_slave_0 added [ 41.012046] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.020299] team0: Port device team_slave_0 added [ 41.030128] chnl_net:caif_netlink_parms(): no params data found [ 41.044116] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.052336] team0: Port device team_slave_1 added [ 41.062541] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.070045] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.077576] team0: Port device team_slave_1 added [ 41.085900] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.096051] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.104212] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.120470] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.129669] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.136094] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.143393] device bridge_slave_0 entered promiscuous mode [ 41.161281] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.180724] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.187230] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.193961] device bridge_slave_1 entered promiscuous mode [ 41.212504] device hsr_slave_0 entered promiscuous mode [ 41.218724] device hsr_slave_1 entered promiscuous mode [ 41.240675] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.249938] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.256734] device bridge_slave_0 entered promiscuous mode [ 41.266797] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.273894] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.281543] device bridge_slave_1 entered promiscuous mode [ 41.288510] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.296751] device hsr_slave_0 entered promiscuous mode [ 41.302898] device hsr_slave_1 entered promiscuous mode [ 41.308865] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.322117] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.329719] team0: Port device team_slave_0 added [ 41.340316] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.348320] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.355175] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.366216] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.372719] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.379961] device bridge_slave_0 entered promiscuous mode [ 41.386789] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.394414] team0: Port device team_slave_1 added [ 41.405022] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.417444] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.423852] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.430812] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.437205] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.444988] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.452072] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.459346] device bridge_slave_1 entered promiscuous mode [ 41.466155] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.474430] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.484327] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.490874] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.497697] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.504024] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.524638] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.533053] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.540946] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.548808] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.555312] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.562132] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.583321] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.590904] team0: Port device team_slave_0 added [ 41.600517] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.607995] team0: Port device team_slave_1 added [ 41.624697] device hsr_slave_0 entered promiscuous mode [ 41.630872] device hsr_slave_1 entered promiscuous mode [ 41.636782] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.644634] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.654001] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.667096] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.674458] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.681890] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.699629] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.706713] team0: Port device team_slave_0 added [ 41.727825] device hsr_slave_0 entered promiscuous mode [ 41.733455] device hsr_slave_1 entered promiscuous mode [ 41.743839] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.752090] team0: Port device team_slave_0 added [ 41.760023] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.768225] team0: Port device team_slave_1 added [ 41.774366] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.781897] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.789409] team0: Port device team_slave_1 added [ 41.797679] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.807083] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.818032] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.824324] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.834956] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.842883] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.853017] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.876325] device hsr_slave_0 entered promiscuous mode [ 41.882010] device hsr_slave_1 entered promiscuous mode [ 41.892125] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.899853] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 41.912357] device hsr_slave_0 entered promiscuous mode [ 41.918100] device hsr_slave_1 entered promiscuous mode [ 41.924057] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.931693] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.940024] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 41.954148] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.962791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 41.970753] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.978677] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.986482] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 41.993634] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.013603] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.024559] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.035918] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.044356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.052914] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.061809] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.068467] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.077103] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.086134] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.102581] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 42.110119] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.116320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.124453] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.132626] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.139022] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.145908] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.159969] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.167662] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.175936] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.188232] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.195298] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.202587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.209431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.220300] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.226362] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.235151] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.245567] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.254749] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.262016] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.270306] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.276485] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.287433] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.296109] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.304037] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.313741] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.324017] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.332022] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.339851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.347541] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.355147] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.361530] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.369070] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.377534] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.384991] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.391373] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.398466] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.405252] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.413651] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.425474] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 42.431969] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.440173] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.448894] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.460507] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.468933] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 42.475790] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 42.484047] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.491638] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.498739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.505494] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.513506] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.521672] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.528065] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.535034] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.543950] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.553885] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.568567] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 42.576202] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.583512] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.591719] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.600121] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.606456] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.613353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 42.621201] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.628776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.637798] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.643862] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.651293] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.663512] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.671598] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 42.680967] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.688815] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.695529] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.702563] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 42.709982] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.719320] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.730819] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.741974] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 42.748935] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.762073] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 42.769983] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 42.777872] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.785345] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.791833] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.798880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.806434] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 42.814189] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.821784] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.828303] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.836488] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.845941] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 42.852894] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.859941] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 42.868016] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 42.875916] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 42.884121] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 42.891170] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.899004] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.906457] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 42.914168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 42.922357] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.930345] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.939785] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.948501] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 42.957113] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 42.966056] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.975084] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 42.982812] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 42.990835] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.998377] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.005895] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.013808] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.021544] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.029259] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.037056] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.044549] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.050932] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.057761] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.065325] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.073226] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.080157] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.087282] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.097488] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.104859] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.114561] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.124680] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.136609] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.152179] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.160635] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.169026] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.176669] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.183061] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.191524] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.199507] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.207324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.216109] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.230414] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.239638] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.252953] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.268532] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.277296] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.285018] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.293940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.305723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.317110] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.324886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.333115] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.343558] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.353298] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.359760] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.374173] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.382644] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.391142] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.399438] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.407692] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.416485] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.435675] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.448206] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.456337] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.465397] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.474004] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.497384] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.504287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.511320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.519544] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.530020] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.542317] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.550530] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.559985] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.566200] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.574914] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.582716] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.591566] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.599210] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.609295] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.618435] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.626395] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.637310] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.644980] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.653051] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 43.660847] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.668690] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.676502] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.682959] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.690649] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 43.707894] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 43.715668] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 43.743504] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 43.751172] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 43.767192] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.775132] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.787689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 43.807485] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 43.814890] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.823427] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.831733] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.838135] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.853406] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 43.861129] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.873870] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.881585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.890407] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.902290] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.910308] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.919950] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.927676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.935234] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.943065] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.950937] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.958562] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.966304] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 43.975266] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.991520] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 43.999392] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.014684] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.031970] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.047264] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.055965] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.062448] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.085644] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 44.097370] 8021q: adding VLAN 0 to HW filter on device batadv0 2020/08/18 11:09:01 executed programs: 145 2020/08/18 11:09:06 executed programs: 757 2020/08/18 11:09:11 executed programs: 1382 2020/08/18 11:09:16 executed programs: 2004 2020/08/18 11:09:21 executed programs: 2592 2020/08/18 11:09:26 executed programs: 3185 2020/08/18 11:09:31 executed programs: 3790 2020/08/18 11:09:36 executed programs: 4375 2020/08/18 11:09:41 executed programs: 4959 2020/08/18 11:09:46 executed programs: 5546 2020/08/18 11:09:51 executed programs: 6097 2020/08/18 11:09:56 executed programs: 6633 2020/08/18 11:10:01 executed programs: 7223 2020/08/18 11:10:06 executed programs: 7791 2020/08/18 11:10:11 executed programs: 8341 2020/08/18 11:10:16 executed programs: 8889 2020/08/18 11:10:21 executed programs: 9434 2020/08/18 11:10:26 executed programs: 9984 2020/08/18 11:10:31 executed programs: 10534 2020/08/18 11:10:36 executed programs: 11083 2020/08/18 11:10:41 executed programs: 11610 [ 308.983777] INFO: task syz-executor.2:14061 blocked for more than 140 seconds. [ 308.991331] Not tainted 4.19.139-syzkaller #0 [ 309.004243] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 309.012332] syz-executor.2 D27832 14061 6389 0x80000000 [ 309.022322] Call Trace: [ 309.026226] __schedule+0x78c/0x1c10 [ 309.029933] ? pci_mmcfg_check_reserved+0x120/0x120 [ 309.039448] ? rwsem_down_read_failed+0x203/0x3e0 [ 309.046278] ? lockdep_hardirqs_on+0x421/0x5c0 [ 309.050857] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.059814] ? rwsem_down_read_failed+0x21c/0x3e0 [ 309.066616] schedule+0x7f/0x1b0 [ 309.069972] rwsem_down_read_failed+0x21c/0x3e0 [ 309.078955] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 309.085140] ? find_held_lock+0x36/0x1d0 [ 309.089204] call_rwsem_down_read_failed+0x18/0x30 [ 309.098579] down_read+0x49/0xb0 [ 309.101936] ? do_exit+0x61f/0x2d20 [ 309.106852] do_exit+0x61f/0x2d20 [ 309.110294] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 309.119608] ? find_held_lock+0x30/0x1d0 [ 309.124957] ? mm_update_next_owner+0x680/0x680 [ 309.129613] ? do_group_exit+0x26e/0x2f0 [ 309.137855] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.142465] ? do_group_exit+0x26e/0x2f0 [ 309.148791] ? lockdep_hardirqs_on+0x421/0x5c0 [ 309.153365] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.162196] ? trace_hardirqs_on+0x28/0x190 [ 309.167802] do_group_exit+0xf4/0x2f0 [ 309.171590] __x64_sys_exit_group+0x39/0x40 [ 309.180817] do_syscall_64+0xd0/0x4e0 [ 309.185928] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 309.191112] RIP: 0033:0x4598a9 [ 309.198347] Code: Bad RIP value. [ 309.201701] RSP: 002b:00007fff009efd08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 309.210786] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00000000004598a9 [ 309.222082] RDX: 0000000000413511 RSI: fffffffffffffff7 RDI: 0000000000000000 [ 309.231511] RBP: 0000000000000000 R08: ffffffffffffffff R09: 00007fff009efd60 [ 309.242786] R10: 00000000007613b0 R11: 0000000000000246 R12: 0000000000000001 [ 309.251328] R13: 00007fff009efd60 R14: 0000000000000000 R15: 00007fff009efd70 [ 309.262595] INFO: task syz-executor.2:14073 blocked for more than 140 seconds. [ 309.271137] Not tainted 4.19.139-syzkaller #0 [ 309.280053] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 309.289698] syz-executor.2 D27720 14073 6389 0x80000002 [ 309.299373] Call Trace: [ 309.301950] __schedule+0x78c/0x1c10 [ 309.309254] ? pci_mmcfg_check_reserved+0x120/0x120 [ 309.318187] ? rwsem_down_read_failed+0x203/0x3e0 [ 309.323023] ? lockdep_hardirqs_on+0x421/0x5c0 [ 309.329061] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.333551] ? rwsem_down_read_failed+0x21c/0x3e0 [ 309.342814] schedule+0x7f/0x1b0 [ 309.347230] rwsem_down_read_failed+0x21c/0x3e0 [ 309.351890] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 309.361271] ? find_held_lock+0x36/0x1d0 [ 309.366517] call_rwsem_down_read_failed+0x18/0x30 [ 309.371539] down_read+0x49/0xb0 [ 309.379192] ? do_exit+0x61f/0x2d20 [ 309.382815] do_exit+0x61f/0x2d20 [ 309.387727] ? __call_rcu.constprop.67+0x2dc/0x7d0 [ 309.392645] ? call_rcu+0x12/0x20 [ 309.400581] ? find_held_lock+0x36/0x1d0 [ 309.406013] ? mm_update_next_owner+0x680/0x680 [ 309.410683] ? find_held_lock+0x36/0x1d0 [ 309.419064] ? get_signal+0x2c3/0x1a30 [ 309.422943] ? _raw_spin_unlock_irq+0x27/0x80 [ 309.428915] ? get_signal+0x2c3/0x1a30 [ 309.432795] do_group_exit+0xf4/0x2f0 [ 309.441509] get_signal+0x313/0x1a30 [ 309.446436] do_signal+0x87/0x1960 [ 309.449966] ? lock_downgrade+0x860/0x860 [ 309.458578] ? ioctl_preallocate+0x1c0/0x1c0 [ 309.463027] ? selinux_file_ioctl+0x9d/0x530 [ 309.469774] ? setup_sigcontext+0x7d0/0x7d0 [ 309.477796] ? selinux_file_mprotect+0x5f0/0x5f0 [ 309.482568] ? ksys_dup3+0x2e0/0x2e0 [ 309.487642] ? put_timespec64+0xa9/0x100 [ 309.491689] ? nsecs_to_jiffies+0x20/0x20 [ 309.500359] ? exit_to_usermode_loop+0x3a/0x200 [ 309.506272] ? do_syscall_64+0x413/0x4e0 [ 309.510352] ? lockdep_hardirqs_on+0x421/0x5c0 [ 309.519430] ? exit_to_usermode_loop+0x3a/0x200 [ 309.525344] ? trace_hardirqs_on+0x28/0x190 [ 309.529659] exit_to_usermode_loop+0x114/0x200 [ 309.538709] do_syscall_64+0x413/0x4e0 [ 309.542589] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 309.549329] RIP: 0033:0x4598a9 [ 309.552517] Code: Bad RIP value. [ 309.560308] RSP: 002b:00007fb64d695c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 309.569854] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00000000004598a9 [ 309.581280] RDX: 0000000000000004 RSI: 0000000000002405 RDI: 0000000000000003 [ 309.589760] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 309.601232] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb64d6966d4 [ 309.609721] R13: 00000000004cd3c0 R14: 00000000004d69e8 R15: 00000000ffffffff [ 309.621239] [ 309.621239] Showing all locks held in the system: [ 309.628821] 1 lock held by khungtaskd/1044: [ 309.633128] #0: 0000000046be90ba (rcu_read_lock){....}, at: debug_show_all_locks+0x5b/0x27a [ 309.647752] 1 lock held by in:imklog/5869: [ 309.652087] #0: 00000000b4f88c1a (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 [ 309.661453] 1 lock held by syz-executor.2/14061: [ 309.669982] #0: 000000009f91f98c (&mm->mmap_sem){++++}, at: do_exit+0x61f/0x2d20 [ 309.678998] 1 lock held by syz-executor.2/14073: [ 309.687513] #0: 000000009f91f98c (&mm->mmap_sem){++++}, at: do_exit+0x61f/0x2d20 [ 309.697123] 2 locks held by syz-executor.2/14077: [ 309.701999] [ 309.707725] ============================================= [ 309.707725] [ 309.715931] NMI backtrace for cpu 1 [ 309.719601] CPU: 1 PID: 1044 Comm: khungtaskd Not tainted 4.19.139-syzkaller #0 [ 309.727023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.736359] Call Trace: [ 309.738982] dump_stack+0x123/0x177 [ 309.742595] nmi_cpu_backtrace.cold.4+0x3e/0x76 [ 309.747246] ? lapic_can_unplug_cpu.cold.29+0x3f/0x3f [ 309.752414] nmi_trigger_cpumask_backtrace+0xe6/0x11a [ 309.757584] arch_trigger_cpumask_backtrace+0x14/0x20 [ 309.762799] watchdog+0x5c3/0xb40 [ 309.766267] kthread+0x324/0x3e0 [ 309.769609] ? hungtask_pm_notify+0x40/0x40 [ 309.773908] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 309.779429] ret_from_fork+0x24/0x30 [ 309.783359] Sending NMI from CPU 1 to CPUs 0: [ 309.788237] NMI backtrace for cpu 0 [ 309.788239] CPU: 0 PID: 14077 Comm: syz-executor.2 Not tainted 4.19.139-syzkaller #0 [ 309.788241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 309.788242] RIP: 0010:__lock_acquire+0x24a/0x4980 [ 309.788245] Code: 31 00 00 49 8b 5c dd 08 48 85 db 0f 84 1d ff ff ff 48 8d bb 38 01 00 00 be 04 00 00 00 44 89 84 24 88 00 00 00 e8 e6 28 46 00 ff 83 38 01 00 00 49 8d 86 80 08 00 00 44 8b 84 24 88 00 00 00 [ 309.788246] RSP: 0018:ffff888090ac7680 EFLAGS: 00000046 [ 309.788249] RAX: fffffbfff13081c4 RBX: ffffffff89840ce0 RCX: ffffffff814c482a [ 309.788250] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff89840e18 [ 309.788251] RBP: ffff888090ac7870 R08: fffffbfff13081c4 R09: fffffbfff13081c3 [ 309.788253] R10: fffffbfff13081c3 R11: ffffffff89840e1b R12: 0000000000000000 [ 309.788254] R13: ffff888091b4a710 R14: ffff888089216440 R15: 0000000000000000 [ 309.788256] FS: 00007fb64d675700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 309.788257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 309.788258] CR2: 00005611cdd9b970 CR3: 000000009451f000 CR4: 00000000001406f0 [ 309.788260] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 309.788261] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 309.788262] Call Trace: [ 309.788263] ? mark_held_locks+0x130/0x130 [ 309.788264] ? mark_held_locks+0xc7/0x130 [ 309.788266] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 309.788267] ? lockdep_hardirqs_on+0x421/0x5c0 [ 309.788268] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 309.788269] ? __lock_is_held+0xb5/0x140 [ 309.788270] ? perf_mmap+0x65b/0x1670 [ 309.788271] lock_acquire+0x173/0x3d0 [ 309.788272] ? perf_mmap+0x65b/0x1670 [ 309.788274] ? perf_mmap+0x65b/0x1670 [ 309.788275] ? perf_mmap+0x65b/0x1670 [ 309.788276] __mutex_lock+0xf5/0x1210 [ 309.788277] ? perf_mmap+0x65b/0x1670 [ 309.788278] ? perf_mmap+0x65b/0x1670 [ 309.788279] ? mutex_trylock+0x1e0/0x1e0 [ 309.788280] ? lock_release+0x19/0x850 [ 309.788281] ? kasan_check_write+0x14/0x20 [ 309.788282] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 309.788284] ? retint_kernel+0x2d/0x2d [ 309.788285] ? wait_for_completion+0x460/0x460 [ 309.788286] ? perf_mmap+0x65b/0x1670 [ 309.788287] mutex_lock_nested+0x16/0x20 [ 309.788288] ? mutex_lock_nested+0x16/0x20 [ 309.788289] perf_mmap+0x65b/0x1670 [ 309.788290] ? perf_release+0x50/0x50 [ 309.788291] ? memset+0x31/0x40 [ 309.788293] mmap_region+0x9b7/0x1470 [ 309.788294] ? __x64_sys_brk+0x680/0x680 [ 309.788295] ? get_unmapped_area+0x1bd/0x330 [ 309.788296] do_mmap+0x6b5/0xea0 [ 309.788297] vm_mmap_pgoff+0x195/0x210 [ 309.788298] ? vma_is_stack_for_current+0x90/0x90 [ 309.788299] ? ksys_dup3+0x2e0/0x2e0 [ 309.788300] ? _copy_to_user+0x91/0xb0 [ 309.788301] ksys_mmap_pgoff+0x3c6/0x650 [ 309.788303] ? find_mergeable_anon_vma+0x290/0x290 [ 309.788304] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 309.788305] ? do_syscall_64+0x21/0x4e0 [ 309.788306] __x64_sys_mmap+0xe9/0x1b0 [ 309.788307] do_syscall_64+0xd0/0x4e0 [ 309.788308] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 309.788309] RIP: 0033:0x4598a9 [ 309.788312] Code: 7d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 4b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 309.788313] RSP: 002b:00007fb64d674c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 309.788316] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00000000004598a9 [ 309.788317] RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020ffd000 [ 309.788319] RBP: 000000000075bfc8 R08: 0000000000000003 R09: 0000000000000000 [ 309.788320] R10: 0000000000001011 R11: 0000000000000246 R12: 00007fb64d6756d4 [ 309.788321] R13: 00000000004c5df1 R14: 00000000004da7c8 R15: 00000000ffffffff [ 309.813352] Kernel panic - not syncing: hung_task: blocked tasks [ 310.151825] CPU: 1 PID: 1044 Comm: khungtaskd Not tainted 4.19.139-syzkaller #0 [ 310.159252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 310.168586] Call Trace: [ 310.171164] dump_stack+0x123/0x177 [ 310.174777] panic+0x1cd/0x375 [ 310.177951] ? __warn_printk+0xd6/0xd6 [ 310.181826] watchdog+0x5d4/0xb40 [ 310.185267] kthread+0x324/0x3e0 [ 310.188617] ? hungtask_pm_notify+0x40/0x40 [ 310.192916] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 310.198434] ret_from_fork+0x24/0x30 [ 310.203720] Kernel Offset: disabled [ 310.207332] Rebooting in 86400 seconds..