[ 31.656283] audit: type=1800 audit(1561023706.513:33): pid=6876 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 [ 31.684296] audit: type=1800 audit(1561023706.513:34): pid=6876 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 44.404812] random: sshd: uninitialized urandom read (32 bytes read) [ 44.822855] audit: type=1400 audit(1561023719.683:35): avc: denied { map } for pid=7049 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 [ 44.895632] random: sshd: uninitialized urandom read (32 bytes read) [ 45.452011] random: sshd: uninitialized urandom read (32 bytes read) [ 45.644843] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.1.31' (ECDSA) to the list of known hosts. [ 51.141170] random: sshd: uninitialized urandom read (32 bytes read) [ 51.327266] audit: type=1400 audit(1561023726.183:36): avc: denied { map } for pid=7061 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/06/20 09:42:07 parsed 1 programs [ 52.153007] audit: type=1400 audit(1561023727.013:37): avc: denied { map } for pid=7061 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=13815 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 52.863294] random: cc1: uninitialized urandom read (8 bytes read) 2019/06/20 09:42:08 executed programs: 0 [ 53.842103] audit: type=1400 audit(1561023728.693:38): avc: denied { map } for pid=7061 comm="syz-execprog" path="/root/syzkaller-shm679902898" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 54.630218] IPVS: ftp: loaded support on port[0] = 21 [ 54.944214] chnl_net:caif_netlink_parms(): no params data found [ 54.953161] IPVS: ftp: loaded support on port[0] = 21 [ 55.006605] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.013747] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.020785] device bridge_slave_0 entered promiscuous mode [ 55.029927] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.036350] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.043620] device bridge_slave_1 entered promiscuous mode [ 55.066944] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 55.076175] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 55.090761] IPVS: ftp: loaded support on port[0] = 21 [ 55.115731] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 55.123168] team0: Port device team_slave_0 added [ 55.139353] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 55.146441] team0: Port device team_slave_1 added [ 55.183439] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 55.194016] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 55.209020] chnl_net:caif_netlink_parms(): no params data found [ 55.217706] IPVS: ftp: loaded support on port[0] = 21 [ 55.292408] device hsr_slave_0 entered promiscuous mode [ 55.330404] device hsr_slave_1 entered promiscuous mode [ 55.387521] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 55.409557] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 55.427270] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.433750] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.441103] device bridge_slave_0 entered promiscuous mode [ 55.459446] IPVS: ftp: loaded support on port[0] = 21 [ 55.495213] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.501842] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.508760] device bridge_slave_1 entered promiscuous mode [ 55.558392] chnl_net:caif_netlink_parms(): no params data found [ 55.577555] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 55.589403] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 55.626831] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.634133] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.641121] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.647460] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.689488] chnl_net:caif_netlink_parms(): no params data found [ 55.699171] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 55.707166] team0: Port device team_slave_0 added [ 55.744072] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 55.751253] team0: Port device team_slave_1 added [ 55.768891] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.775456] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.782788] device bridge_slave_0 entered promiscuous mode [ 55.789236] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 55.808586] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.815193] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.822391] IPVS: ftp: loaded support on port[0] = 21 [ 55.823119] device bridge_slave_1 entered promiscuous mode [ 55.851359] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 55.875342] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 55.962358] device hsr_slave_0 entered promiscuous mode [ 56.000339] device hsr_slave_1 entered promiscuous mode [ 56.046086] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.053416] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.060447] device bridge_slave_0 entered promiscuous mode [ 56.067692] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 56.099932] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.106789] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.116925] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 56.124965] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 56.132023] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.138375] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.145541] device bridge_slave_1 entered promiscuous mode [ 56.163502] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.170885] team0: Port device team_slave_0 added [ 56.176906] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.184101] team0: Port device team_slave_1 added [ 56.192042] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 56.212087] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 56.266456] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 56.333566] device hsr_slave_0 entered promiscuous mode [ 56.370366] device hsr_slave_1 entered promiscuous mode [ 56.413702] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 56.426316] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 56.442624] chnl_net:caif_netlink_parms(): no params data found [ 56.455454] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 56.471221] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 56.488674] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.498267] team0: Port device team_slave_0 added [ 56.505724] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.513271] team0: Port device team_slave_1 added [ 56.530789] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.544675] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 56.554749] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 56.589057] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.595908] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.603347] device bridge_slave_0 entered promiscuous mode [ 56.643115] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 56.660943] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.667305] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.674481] device bridge_slave_1 entered promiscuous mode [ 56.698496] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 56.707235] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 56.716509] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 56.773751] device hsr_slave_0 entered promiscuous mode [ 56.810581] device hsr_slave_1 entered promiscuous mode [ 56.884330] chnl_net:caif_netlink_parms(): no params data found [ 56.895699] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 56.918765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.927786] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.938024] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 56.944322] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.950944] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 56.972864] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.980539] team0: Port device team_slave_0 added [ 56.987360] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.994991] team0: Port device team_slave_1 added [ 57.000667] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 57.008201] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 57.016348] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 57.040434] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 57.065134] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 57.073692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.082250] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.089829] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.096224] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.103244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.112144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.119654] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.126041] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.147408] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.154231] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.162258] device bridge_slave_0 entered promiscuous mode [ 57.203127] device hsr_slave_0 entered promiscuous mode [ 57.240315] device hsr_slave_1 entered promiscuous mode [ 57.281355] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 57.288866] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 57.300309] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 57.309275] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.320208] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.326582] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.334505] device bridge_slave_1 entered promiscuous mode [ 57.341307] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 57.356200] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.364323] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.375072] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 57.402966] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.411308] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.420316] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.430868] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 57.440892] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 57.450573] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 57.463246] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.471078] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.478510] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.486124] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.499073] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 57.507475] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 57.528574] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 57.536294] team0: Port device team_slave_0 added [ 57.544403] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.551751] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.559195] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.569822] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 57.575995] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.587414] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 57.595247] team0: Port device team_slave_1 added [ 57.604679] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.621995] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 57.629928] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 57.656385] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.664258] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 57.673599] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 57.732263] device hsr_slave_0 entered promiscuous mode [ 57.770373] device hsr_slave_1 entered promiscuous mode [ 57.810928] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 57.818119] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 57.829953] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.848166] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 57.856591] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.864170] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.875552] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.889501] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.897685] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 57.910874] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 57.916960] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.930875] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.938074] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.947995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.962470] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 57.978307] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 57.986491] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 57.992737] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.003631] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.011749] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.019246] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.026741] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.042034] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.052641] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 58.065752] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 58.072551] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.084022] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.091470] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.098521] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.108785] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.116519] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.122914] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.130273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.137324] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.144341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.152288] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.159890] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.166310] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.179097] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.187114] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.197853] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.207748] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.216279] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.223855] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.232077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.239732] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.247767] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.254165] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.261333] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.268973] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.276599] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.283005] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.292622] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.301259] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 58.309395] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.327459] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.335449] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.344742] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.352362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.359105] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.366825] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.376337] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 58.382859] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.396081] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.406234] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.415786] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.428138] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.440917] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.448533] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.454973] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.462010] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.469695] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.477803] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.484207] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.491314] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.499993] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.508529] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 58.517584] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.530359] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.537419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.545708] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.553469] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.559821] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.569904] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.578492] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.586502] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.596737] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.605006] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 58.614805] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 58.624481] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.635340] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.642544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.650736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.658501] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.667349] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.675777] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.690459] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.698626] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.707871] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 58.722180] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 58.743869] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.753924] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.763131] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 58.774989] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.787131] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.795282] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.803529] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.811913] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.819414] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.827192] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.835151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready 2019/06/20 09:42:13 executed programs: 12 [ 58.843479] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.852611] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 58.861616] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 58.877382] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 58.884150] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.894867] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 58.903907] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.914610] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 58.922053] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.928942] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.938160] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.945912] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.952763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.959647] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.967264] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.975845] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 58.984914] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.994363] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 59.011946] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 59.018180] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.025897] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.033501] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.041865] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.049430] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.055817] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.062766] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.070787] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.078309] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.085504] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.094096] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 59.103668] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 59.113383] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 59.124751] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.133483] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.142094] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.149816] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.157572] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.163940] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.170969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.178540] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.187799] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 59.196653] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.208349] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 59.223793] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.236111] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.244279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.252046] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.261211] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 59.269222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.279597] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 59.289639] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 59.298554] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 59.304911] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.316021] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.323847] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.331670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.341168] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 59.347268] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.359429] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 59.370711] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 59.378541] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 59.387718] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.398312] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 59.404630] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.413205] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.421629] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.429101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.437373] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.445272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.452838] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.460465] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.470543] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 59.490665] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 59.497186] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.508960] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.525564] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 59.534460] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 59.548417] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.558049] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.566150] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.576955] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 59.587672] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.598161] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 59.613050] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.627531] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.651910] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 59.677723] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/06/20 09:42:18 executed programs: 172 2019/06/20 09:42:23 executed programs: 433 2019/06/20 09:42:28 executed programs: 691 2019/06/20 09:42:33 executed programs: 954 2019/06/20 09:42:38 executed programs: 1211 2019/06/20 09:42:43 executed programs: 1471 2019/06/20 09:42:48 executed programs: 1729 2019/06/20 09:42:53 executed programs: 1984 2019/06/20 09:42:58 executed programs: 2238 [ 284.640710] INFO: task syz-executor.2:16904 blocked for more than 140 seconds. [ 284.648339] Not tainted 4.14.128 #22 [ 284.658221] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.666269] syz-executor.2 D28528 16904 7078 0x80000000 [ 284.680965] Call Trace: [ 284.683647] __schedule+0x7b8/0x1cd0 [ 284.687408] ? pci_mmcfg_check_reserved+0x150/0x150 [ 284.697750] ? _raw_spin_unlock_irq+0x28/0x90 [ 284.702328] schedule+0x92/0x1c0 [ 284.705709] rwsem_down_read_failed+0x1f6/0x390 [ 284.715679] ? __rwsem_down_read_failed_common.part.0+0x80/0x80 [ 284.722967] call_rwsem_down_read_failed+0x18/0x30 [ 284.727919] down_read+0x49/0xb0 [ 284.737253] ? do_exit+0x3d2/0x2c10 [ 284.740976] do_exit+0x3d2/0x2c10 [ 284.744437] ? find_held_lock+0x35/0x130 [ 284.748504] ? mm_update_next_owner+0x5d0/0x5d0 [ 284.758336] ? _raw_spin_unlock_irq+0x28/0x90 [ 284.762999] ? trace_hardirqs_on_caller+0x400/0x590 [ 284.768027] do_group_exit+0x111/0x330 [ 284.777173] SyS_exit_group+0x1d/0x20 [ 284.781180] ? do_group_exit+0x330/0x330 [ 284.785282] do_syscall_64+0x1e8/0x640 [ 284.789174] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 284.799198] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 284.805362] RIP: 0033:0x4592c9 [ 284.808556] RSP: 002b:00007ffce91890a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 284.821297] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00000000004592c9 [ 284.828582] RDX: 0000000000412fb1 RSI: fffffffffffffff7 RDI: 0000000000000000 [ 284.839185] RBP: 0000000000000000 R08: ffffffffffffffff R09: 00007ffce9189100 [ 284.848141] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 284.858834] R13: 00007ffce9189100 R14: 0000000000000000 R15: 00007ffce9189110 [ 284.868552] INFO: task syz-executor.2:16910 blocked for more than 140 seconds. [ 284.879274] Not tainted 4.14.128 #22 [ 284.887828] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.899231] syz-executor.2 D29136 16910 7078 0x80000000 [ 284.906582] Call Trace: [ 284.909187] __schedule+0x7b8/0x1cd0 [ 284.917700] ? pci_mmcfg_check_reserved+0x150/0x150 [ 284.924524] ? _raw_spin_unlock_irq+0x28/0x90 [ 284.929039] schedule+0x92/0x1c0 [ 284.937146] rwsem_down_read_failed+0x1f6/0x390 [ 284.947274] ? __rwsem_down_read_failed_common.part.0+0x80/0x80 [ 284.956753] call_rwsem_down_read_failed+0x18/0x30 [ 284.963393] down_read+0x49/0xb0 [ 284.966803] ? do_exit+0x3d2/0x2c10 [ 284.973803] do_exit+0x3d2/0x2c10 [ 284.977274] ? save_trace+0x290/0x290 [ 284.982928] ? find_held_lock+0x35/0x130 [ 284.987007] ? mm_update_next_owner+0x5d0/0x5d0 [ 284.995705] do_group_exit+0x111/0x330 [ 284.999632] get_signal+0x381/0x1cd0 [ 285.005232] ? trace_hardirqs_on+0x10/0x10 [ 285.009488] ? save_trace+0x290/0x290 [ 285.016576] ? trace_hardirqs_on+0x10/0x10 [ 285.022566] do_signal+0x86/0x19a0 [ 285.026128] ? setup_sigcontext+0x7d0/0x7d0 [ 285.033849] ? kasan_check_read+0x11/0x20 [ 285.038391] ? _copy_to_user+0x87/0xd0 [ 285.044956] ? SyS_futex+0x215/0x302 [ 285.048683] ? SyS_futex+0x222/0x302 [ 285.055706] ? exit_to_usermode_loop+0x3d/0x220 [ 285.062065] exit_to_usermode_loop+0x15c/0x220 [ 285.066670] do_syscall_64+0x4bc/0x640 [ 285.073861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.078731] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 285.085717] RIP: 0033:0x4592c9 [ 285.089284] RSP: 002b:00007f9fe01a7cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 285.100486] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 00000000004592c9 [ 285.107772] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 285.119251] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 285.128666] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 285.140895] R13: 00007ffce9188e9f R14: 00007f9fe01a89c0 R15: 000000000075bf2c [ 285.148271] [ 285.148271] Showing all locks held in the system: [ 285.158076] 1 lock held by khungtaskd/1009: [ 285.162593] #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7f/0x21f [ 285.171757] 2 locks held by getty/7036: [ 285.175727] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 285.184451] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 285.193804] 2 locks held by getty/7037: [ 285.197771] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 285.206501] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 285.215863] 2 locks held by getty/7038: [ 285.219834] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 285.228580] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 285.237947] 2 locks held by getty/7039: [ 285.241949] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 285.250710] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 285.260065] 2 locks held by getty/7040: [ 285.264037] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 285.272775] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 285.282143] 2 locks held by getty/7041: [ 285.286114] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 285.294895] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 285.304243] 2 locks held by getty/7042: [ 285.308213] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 285.316983] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 285.326329] 1 lock held by syz-executor.2/16904: [ 285.331146] #0: (&mm->mmap_sem){++++}, at: [] do_exit+0x3d2/0x2c10 [ 285.339258] 1 lock held by syz-executor.2/16910: [ 285.344064] #0: (&mm->mmap_sem){++++}, at: [] do_exit+0x3d2/0x2c10 [ 285.352202] [ 285.353828] ============================================= [ 285.353828] [ 285.367583] NMI backtrace for cpu 0 [ 285.371303] CPU: 0 PID: 1009 Comm: khungtaskd Not tainted 4.14.128 #22 [ 285.377974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.387328] Call Trace: [ 285.389985] dump_stack+0x138/0x19c [ 285.393618] nmi_cpu_backtrace.cold+0x57/0x94 [ 285.398112] ? irq_force_complete_move.cold+0x7d/0x7d [ 285.403299] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 285.408587] arch_trigger_cpumask_backtrace+0x14/0x20 [ 285.413782] watchdog+0x5e7/0xb90 [ 285.417248] kthread+0x319/0x430 [ 285.420619] ? hungtask_pm_notify+0x50/0x50 [ 285.424945] ? kthread_create_on_node+0xd0/0xd0 [ 285.429617] ret_from_fork+0x24/0x30 [ 285.433501] Sending NMI from CPU 0 to CPUs 1: [ 285.438353] NMI backtrace for cpu 1 [ 285.438357] CPU: 1 PID: 16916 Comm: syz-executor.2 Not tainted 4.14.128 #22 [ 285.438362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.438365] task: ffff8880870f0500 task.stack: ffff88808dbc0000 [ 285.438368] RIP: 0010:debug_lockdep_rcu_enabled.part.0+0x2a/0x60 [ 285.438371] RSP: 0018:ffff88808dbc7a68 EFLAGS: 00000807 [ 285.438377] RAX: dffffc0000000000 RBX: ffff8880870f0500 RCX: 1ffffffff0f564e8 [ 285.438380] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880870f0d7c [ 285.438384] RBP: ffff88808dbc7a70 R08: dffffc0000000000 R09: ffffffff88ca0390 [ 285.438387] R10: 0000000000000000 R11: ffff8880870f0500 R12: ffff8880a89b4e80 [ 285.438391] R13: ffffffff816d118b R14: ffff8880870f0500 R15: ffff88808dbc7b00 [ 285.438394] FS: 00007f9fe0187700(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 [ 285.438397] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 285.438401] CR2: 00007fa3835ba000 CR3: 000000008a828000 CR4: 00000000001406e0 [ 285.438403] Call Trace: [ 285.438405] debug_lockdep_rcu_enabled+0x71/0xa0 [ 285.438408] lock_release+0x5da/0x940 [ 285.438410] ? perf_mmap+0x50a/0x13f0 [ 285.438413] ? lock_downgrade+0x6e0/0x6e0 [ 285.438415] ? mutex_trylock+0x1c0/0x1c0 [ 285.438418] __mutex_unlock_slowpath+0x71/0x800 [ 285.438420] ? wait_for_completion+0x420/0x420 [ 285.438423] mutex_unlock+0xd/0x10 [ 285.438425] perf_mmap+0x64b/0x13f0 [ 285.438427] mmap_region+0x852/0x1030 [ 285.438430] do_mmap+0x5b8/0xcd0 [ 285.438432] vm_mmap_pgoff+0x17a/0x1d0 [ 285.438435] ? vma_is_stack_for_current+0xa0/0xa0 [ 285.438437] ? __fget+0x237/0x370 [ 285.438439] SyS_mmap_pgoff+0x3ca/0x520 [ 285.438442] ? find_mergeable_anon_vma+0x2c0/0x2c0 [ 285.438444] ? do_syscall_64+0x53/0x640 [ 285.438447] ? align_vdso_addr+0x60/0x60 [ 285.438449] SyS_mmap+0x16/0x20 [ 285.438451] do_syscall_64+0x1e8/0x640 [ 285.438454] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.438457] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 285.438459] RIP: 0033:0x4592c9 [ 285.438462] RSP: 002b:00007f9fe0186c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 285.438468] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00000000004592c9 [ 285.438471] RDX: 0000000001000000 RSI: 0000000000003000 RDI: 0000000020ffd000 [ 285.438475] RBP: 000000000075bfc8 R08: 0000000000000003 R09: 0000000000000000 [ 285.438478] R10: 0002000000001011 R11: 0000000000000246 R12: 00007f9fe01876d4 [ 285.438482] R13: 00000000004c5625 R14: 00000000004d9a10 R15: 00000000ffffffff [ 285.438483] Code: 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 65 48 8b 1c 25 40 ee 01 00 48 8d bb 7c 08 00 00 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 10 8b 93 7c 08 [ 285.440071] Kernel panic - not syncing: hung_task: blocked tasks [ 285.698902] CPU: 0 PID: 1009 Comm: khungtaskd Not tainted 4.14.128 #22 [ 285.705566] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.714917] Call Trace: [ 285.717516] dump_stack+0x138/0x19c [ 285.721155] panic+0x1f2/0x426 [ 285.724344] ? add_taint.cold+0x16/0x16 [ 285.728329] ? ___preempt_schedule+0x16/0x18 [ 285.732752] watchdog+0x5f8/0xb90 [ 285.736209] kthread+0x319/0x430 [ 285.739574] ? hungtask_pm_notify+0x50/0x50 [ 285.743899] ? kthread_create_on_node+0xd0/0xd0 [ 285.748568] ret_from_fork+0x24/0x30 [ 285.753506] Kernel Offset: disabled [ 285.757130] Rebooting in 86400 seconds..