[ 32.000976] audit: type=1800 audit(1564265441.999:34): pid=6860 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 [ 32.172853] random: sshd: uninitialized urandom read (32 bytes read) [ 32.394838] audit: type=1400 audit(1564265442.419:35): avc: denied { map } for pid=7032 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 [ 32.446229] random: sshd: uninitialized urandom read (32 bytes read) [ 33.024492] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 411.566666] audit: type=1400 audit(1564265821.589:36): avc: denied { map } for pid=7041 comm="sh" path="/bin/dash" dev="sda1" ino=1473 scontext=system_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 1372.320392] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.1.41' (ECDSA) to the list of known hosts. [ 1377.859598] random: sshd: uninitialized urandom read (32 bytes read) [ 1378.049739] audit: type=1400 audit(1564266788.069:37): avc: denied { map } for pid=7048 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/07/27 22:33:09 parsed 1 programs [ 1379.158784] audit: type=1400 audit(1564266789.179:38): avc: denied { map } for pid=7048 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 1379.868818] random: cc1: uninitialized urandom read (8 bytes read) 2019/07/27 22:33:10 executed programs: 0 [ 1380.709189] audit: type=1400 audit(1564266790.729:39): avc: denied { map } for pid=7048 comm="syz-execprog" path="/root/syzkaller-shm059646181" dev="sda1" ino=2233 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 1381.770162] IPVS: ftp: loaded support on port[0] = 21 [ 1382.095645] chnl_net:caif_netlink_parms(): no params data found [ 1382.104457] IPVS: ftp: loaded support on port[0] = 21 [ 1382.161684] bridge0: port 1(bridge_slave_0) entered blocking state [ 1382.168283] bridge0: port 1(bridge_slave_0) entered disabled state [ 1382.175290] device bridge_slave_0 entered promiscuous mode [ 1382.187217] bridge0: port 2(bridge_slave_1) entered blocking state [ 1382.193751] bridge0: port 2(bridge_slave_1) entered disabled state [ 1382.201094] device bridge_slave_1 entered promiscuous mode [ 1382.219807] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1382.229374] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1382.252522] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1382.259645] team0: Port device team_slave_0 added [ 1382.264901] IPVS: ftp: loaded support on port[0] = 21 [ 1382.265362] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1382.277366] team0: Port device team_slave_1 added [ 1382.286219] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1382.297257] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1382.402350] device hsr_slave_0 entered promiscuous mode [ 1382.440380] device hsr_slave_1 entered promiscuous mode [ 1382.480687] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1382.494031] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1382.512560] chnl_net:caif_netlink_parms(): no params data found [ 1382.569012] bridge0: port 1(bridge_slave_0) entered blocking state [ 1382.575531] bridge0: port 1(bridge_slave_0) entered disabled state [ 1382.584618] device bridge_slave_0 entered promiscuous mode [ 1382.592078] bridge0: port 2(bridge_slave_1) entered blocking state [ 1382.598659] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1382.605783] bridge0: port 1(bridge_slave_0) entered blocking state [ 1382.612143] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1382.618894] IPVS: ftp: loaded support on port[0] = 21 [ 1382.628896] bridge0: port 2(bridge_slave_1) entered blocking state [ 1382.635659] bridge0: port 2(bridge_slave_1) entered disabled state [ 1382.644654] device bridge_slave_1 entered promiscuous mode [ 1382.686073] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1382.724789] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1382.759651] chnl_net:caif_netlink_parms(): no params data found [ 1382.778795] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1382.786596] team0: Port device team_slave_0 added [ 1382.792499] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1382.800404] team0: Port device team_slave_1 added [ 1382.805598] IPVS: ftp: loaded support on port[0] = 21 [ 1382.824237] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1382.832014] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1382.942033] device hsr_slave_0 entered promiscuous mode [ 1382.980448] device hsr_slave_1 entered promiscuous mode [ 1383.070078] bridge0: port 1(bridge_slave_0) entered blocking state [ 1383.076461] bridge0: port 1(bridge_slave_0) entered disabled state [ 1383.085545] device bridge_slave_0 entered promiscuous mode [ 1383.092494] bridge0: port 2(bridge_slave_1) entered blocking state [ 1383.098936] bridge0: port 2(bridge_slave_1) entered disabled state [ 1383.106310] device bridge_slave_1 entered promiscuous mode [ 1383.129223] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1383.157144] bridge0: port 1(bridge_slave_0) entered disabled state [ 1383.175406] bridge0: port 2(bridge_slave_1) entered disabled state [ 1383.186996] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1383.195157] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1383.206398] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1383.220320] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1383.242979] chnl_net:caif_netlink_parms(): no params data found [ 1383.251817] IPVS: ftp: loaded support on port[0] = 21 [ 1383.265327] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1383.302989] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 1383.310577] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 1383.324852] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1383.331971] team0: Port device team_slave_0 added [ 1383.339210] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1383.346686] team0: Port device team_slave_1 added [ 1383.352487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1383.362058] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1383.372616] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1383.378695] 8021q: adding VLAN 0 to HW filter on device team0 [ 1383.399671] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1383.408578] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1383.445308] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1383.471719] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1383.479570] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1383.487622] bridge0: port 1(bridge_slave_0) entered blocking state [ 1383.494003] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1383.508531] bridge0: port 1(bridge_slave_0) entered blocking state [ 1383.515001] bridge0: port 1(bridge_slave_0) entered disabled state [ 1383.522117] device bridge_slave_0 entered promiscuous mode [ 1383.528843] bridge0: port 2(bridge_slave_1) entered blocking state [ 1383.536279] bridge0: port 2(bridge_slave_1) entered disabled state [ 1383.544007] device bridge_slave_1 entered promiscuous mode [ 1383.613560] device hsr_slave_0 entered promiscuous mode [ 1383.650439] device hsr_slave_1 entered promiscuous mode [ 1383.715813] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1383.738510] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1383.745891] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1383.765492] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1383.775387] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1383.782977] bridge0: port 2(bridge_slave_1) entered blocking state [ 1383.789317] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1383.806165] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1383.817999] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1383.827392] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1383.851287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1383.862552] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1383.891737] chnl_net:caif_netlink_parms(): no params data found [ 1383.904248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1383.922730] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1383.929869] team0: Port device team_slave_0 added [ 1383.946947] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1383.958474] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 1384.008098] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1384.015199] team0: Port device team_slave_1 added [ 1384.020719] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1384.028836] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1384.036712] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1384.044726] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1384.065911] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1384.088297] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1384.114379] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1384.121711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1384.129744] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1384.172140] device hsr_slave_0 entered promiscuous mode [ 1384.210268] device hsr_slave_1 entered promiscuous mode [ 1384.250865] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1384.259016] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1384.273939] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1384.281217] chnl_net:caif_netlink_parms(): no params data found [ 1384.298181] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1384.305959] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1384.314024] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1384.330151] bridge0: port 1(bridge_slave_0) entered blocking state [ 1384.336546] bridge0: port 1(bridge_slave_0) entered disabled state [ 1384.344715] device bridge_slave_0 entered promiscuous mode [ 1384.351751] bridge0: port 2(bridge_slave_1) entered blocking state [ 1384.358564] bridge0: port 2(bridge_slave_1) entered disabled state [ 1384.366456] device bridge_slave_1 entered promiscuous mode [ 1384.381832] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1384.392555] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 1384.402937] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 1384.421858] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1384.429318] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1384.437795] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1384.444686] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1384.452966] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1384.459078] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1384.467774] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1384.474114] 8021q: adding VLAN 0 to HW filter on device team0 [ 1384.497746] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1384.519477] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1384.540631] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1384.548119] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1384.567579] bridge0: port 1(bridge_slave_0) entered blocking state [ 1384.574659] bridge0: port 1(bridge_slave_0) entered disabled state [ 1384.582110] device bridge_slave_0 entered promiscuous mode [ 1384.589453] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1384.598533] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1384.606338] bridge0: port 1(bridge_slave_0) entered blocking state [ 1384.613004] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1384.622090] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1384.632517] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1384.648673] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1384.656878] team0: Port device team_slave_0 added [ 1384.662526] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1384.669729] team0: Port device team_slave_1 added [ 1384.677980] bridge0: port 2(bridge_slave_1) entered blocking state [ 1384.684530] bridge0: port 2(bridge_slave_1) entered disabled state [ 1384.691722] device bridge_slave_1 entered promiscuous mode [ 1384.697747] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1384.705990] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1384.713840] bridge0: port 2(bridge_slave_1) entered blocking state [ 1384.721364] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1384.731485] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1384.744081] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1384.766919] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 1384.776788] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 1384.787188] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1384.796822] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1384.806773] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1384.855693] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1384.862624] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1384.882307] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1384.892132] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 1384.899761] team0: Port device team_slave_0 added [ 1384.906107] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 1384.914556] team0: Port device team_slave_1 added [ 1384.938516] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1384.950648] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1384.958252] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 1384.967365] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 1385.003900] device hsr_slave_0 entered promiscuous mode [ 1385.040670] device hsr_slave_1 entered promiscuous mode [ 1385.070743] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1385.078451] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1385.086469] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1385.093418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1385.105121] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1385.113873] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 1385.123415] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1385.129602] 8021q: adding VLAN 0 to HW filter on device team0 [ 1385.142034] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1385.149747] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1385.156708] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1385.165028] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1385.174307] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1385.213294] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1385.222185] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1385.229092] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1385.236730] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1385.244914] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1385.252849] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1385.261307] bridge0: port 1(bridge_slave_0) entered blocking state [ 1385.267841] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1385.275089] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1385.284148] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1385.332996] device hsr_slave_0 entered promiscuous mode [ 1385.350498] device hsr_slave_1 entered promiscuous mode [ 1385.390593] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 1385.398909] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1385.407335] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1385.418394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1385.426209] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1385.434497] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1385.442508] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1385.450093] bridge0: port 2(bridge_slave_1) entered blocking state [ 1385.456448] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1385.470887] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1385.476909] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1385.484782] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 1385.493481] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1385.506707] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1385.518591] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1385.526520] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1385.538400] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 1385.544791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1385.555614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1385.564415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1385.575385] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1385.588611] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1385.597903] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 1385.608875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1385.618275] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1385.626389] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1385.642508] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 1385.652730] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1385.661496] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1385.669122] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1385.681017] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1385.687101] 8021q: adding VLAN 0 to HW filter on device team0 [ 1385.701512] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1385.713114] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1385.721122] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1385.728749] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1385.741616] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1385.751427] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1385.758144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1385.766811] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1385.774996] bridge0: port 1(bridge_slave_0) entered blocking state [ 1385.788490] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1385.795787] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1385.803370] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1385.817315] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1385.826165] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1385.832535] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1385.839395] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1385.846852] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1385.854624] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1385.862464] bridge0: port 2(bridge_slave_1) entered blocking state [ 1385.868879] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1385.890382] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1385.908267] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1385.919298] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1385.932680] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1385.947913] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1385.957751] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 1385.965307] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1385.974999] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1385.982541] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1385.989288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1386.002748] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1386.008905] 8021q: adding VLAN 0 to HW filter on device team0 [ 1386.022001] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1386.031954] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1386.043558] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1386.057241] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1386.066064] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1386.075630] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1386.089199] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1386.097235] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready 2019/07/27 22:33:16 executed programs: 13 [ 1386.105175] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1386.113216] bridge0: port 1(bridge_slave_0) entered blocking state [ 1386.119569] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1386.126505] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1386.134941] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1386.143385] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1386.152831] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1386.163604] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1386.174999] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 1386.183142] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1386.194211] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1386.205307] bridge0: port 2(bridge_slave_1) entered blocking state [ 1386.211722] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1386.223389] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1386.234209] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 1386.242077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1386.249808] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1386.257433] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1386.265487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1386.277113] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1386.287074] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 1386.293511] 8021q: adding VLAN 0 to HW filter on device team0 [ 1386.299760] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1386.311838] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1386.319833] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1386.328796] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1386.343392] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1386.351914] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1386.362178] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1386.371226] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1386.379449] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1386.388391] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1386.397382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1386.411537] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1386.419614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1386.428737] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1386.436901] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1386.453335] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1386.463769] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 1386.475166] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1386.485205] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1386.493036] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1386.505925] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1386.517301] bridge0: port 1(bridge_slave_0) entered blocking state [ 1386.524056] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1386.534493] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1386.547595] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 1386.565904] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1386.577138] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1386.585111] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1386.596008] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1386.604136] bridge0: port 2(bridge_slave_1) entered blocking state [ 1386.610608] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1386.618492] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1386.626689] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1386.636548] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1386.643000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1386.654608] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 1386.669842] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1386.676894] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1386.689045] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1386.702215] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 1386.712880] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 1386.721902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1386.731147] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1386.739532] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1386.747519] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1386.756474] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 1386.768325] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 1386.778369] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1386.786706] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1386.795725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1386.803447] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1386.813437] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 1386.824551] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1386.831672] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1386.839811] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1386.855663] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 1386.862252] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1386.883235] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 1386.901556] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/07/27 22:33:21 executed programs: 173 2019/07/27 22:33:26 executed programs: 436 2019/07/27 22:33:31 executed programs: 699 2019/07/27 22:33:36 executed programs: 964 2019/07/27 22:33:41 executed programs: 1226 2019/07/27 22:33:46 executed programs: 1489 2019/07/27 22:33:51 executed programs: 1743 2019/07/27 22:33:56 executed programs: 2001 2019/07/27 22:34:01 executed programs: 2252 2019/07/27 22:34:06 executed programs: 2499 2019/07/27 22:34:11 executed programs: 2756 2019/07/27 22:34:16 executed programs: 3020 2019/07/27 22:34:21 executed programs: 3281 2019/07/27 22:34:26 executed programs: 3540 2019/07/27 22:34:31 executed programs: 3806 2019/07/27 22:34:36 executed programs: 4063 2019/07/27 22:34:41 executed programs: 4328 2019/07/27 22:34:46 executed programs: 4582 2019/07/27 22:34:51 executed programs: 4833 2019/07/27 22:34:56 executed programs: 5092 2019/07/27 22:35:01 executed programs: 5346 2019/07/27 22:35:06 executed programs: 5598 2019/07/27 22:35:11 executed programs: 5848 2019/07/27 22:35:16 executed programs: 6098 2019/07/27 22:35:21 executed programs: 6350 2019/07/27 22:35:26 executed programs: 6602 2019/07/27 22:35:31 executed programs: 6848 2019/07/27 22:35:36 executed programs: 7106 2019/07/27 22:35:41 executed programs: 7356 2019/07/27 22:35:46 executed programs: 7606 2019/07/27 22:35:51 executed programs: 7863 2019/07/27 22:35:56 executed programs: 8110 [ 1718.230258] INFO: task syz-executor.1:7482 blocked for more than 140 seconds. [ 1718.237702] Not tainted 4.14.134 #30 [ 1718.249251] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1718.257325] syz-executor.1 D28528 7482 7076 0x80000000 [ 1718.268154] Call Trace: [ 1718.270886] __schedule+0x7b8/0x1cd0 [ 1718.274620] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1718.279676] ? _raw_spin_unlock_irq+0x28/0x90 [ 1718.289403] schedule+0x92/0x1c0 [ 1718.292836] rwsem_down_read_failed+0x1f6/0x390 [ 1718.297517] ? __rwsem_down_read_failed_common.part.0+0x80/0x80 [ 1718.308536] call_rwsem_down_read_failed+0x18/0x30 [ 1718.313538] down_read+0x49/0xb0 [ 1718.316974] ? do_exit+0x3d2/0x2c10 [ 1718.325687] do_exit+0x3d2/0x2c10 [ 1718.329182] ? find_held_lock+0x35/0x130 [ 1718.333447] ? mm_update_next_owner+0x5d0/0x5d0 [ 1718.338138] ? _raw_spin_unlock_irq+0x28/0x90 [ 1718.347609] ? trace_hardirqs_on_caller+0x400/0x590 [ 1718.352789] do_group_exit+0x111/0x330 [ 1718.356690] SyS_exit_group+0x1d/0x20 [ 1718.365609] ? do_group_exit+0x330/0x330 [ 1718.369702] do_syscall_64+0x1e8/0x640 [ 1718.374577] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1718.379509] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1718.389752] RIP: 0033:0x459829 [ 1718.393020] RSP: 002b:00007fffbc72cb18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 1718.405707] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000459829 [ 1718.413053] RDX: 0000000000413511 RSI: fffffffffffffff7 RDI: 0000000000000000 [ 1718.425345] RBP: 0000000000000000 R08: ffffffffffffffff R09: 00007fffbc72cb70 [ 1718.432691] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 1718.439977] R13: 00007fffbc72cb70 R14: 0000000000000000 R15: 00007fffbc72cb80 [ 1718.452223] INFO: task syz-executor.1:7488 blocked for more than 140 seconds. [ 1718.459538] Not tainted 4.14.134 #30 [ 1718.466387] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1718.476784] syz-executor.1 D29136 7488 7076 0x80000000 [ 1718.484958] Call Trace: [ 1718.487572] __schedule+0x7b8/0x1cd0 [ 1718.493883] ? pci_mmcfg_check_reserved+0x150/0x150 [ 1718.498923] ? _raw_spin_unlock_irq+0x28/0x90 [ 1718.506902] schedule+0x92/0x1c0 [ 1718.512697] rwsem_down_read_failed+0x1f6/0x390 [ 1718.517393] ? __rwsem_down_read_failed_common.part.0+0x80/0x80 [ 1718.526044] call_rwsem_down_read_failed+0x18/0x30 [ 1718.533496] down_read+0x49/0xb0 [ 1718.536969] ? do_exit+0x3d2/0x2c10 [ 1718.543180] do_exit+0x3d2/0x2c10 [ 1718.546676] ? save_trace+0x290/0x290 [ 1718.553844] ? find_held_lock+0x35/0x130 [ 1718.557932] ? mm_update_next_owner+0x5d0/0x5d0 [ 1718.565220] do_group_exit+0x111/0x330 [ 1718.569137] get_signal+0x381/0x1cd0 [ 1718.575476] ? trace_hardirqs_on+0x10/0x10 [ 1718.579747] ? save_trace+0x290/0x290 [ 1718.586273] ? trace_hardirqs_on+0x10/0x10 [ 1718.593041] do_signal+0x86/0x19a0 [ 1718.596607] ? setup_sigcontext+0x7d0/0x7d0 [ 1718.603561] ? kasan_check_read+0x11/0x20 [ 1718.607737] ? _copy_to_user+0x87/0xd0 [ 1718.614183] ? SyS_futex+0x215/0x302 [ 1718.617922] ? SyS_futex+0x222/0x302 [ 1718.624198] ? exit_to_usermode_loop+0x3d/0x220 [ 1718.628903] exit_to_usermode_loop+0x15c/0x220 [ 1718.637010] do_syscall_64+0x4bc/0x640 [ 1718.643345] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1718.648214] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1718.656133] RIP: 0033:0x459829 [ 1718.659342] RSP: 002b:00007f5d6fd90cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1718.669663] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 0000000000459829 [ 1718.679455] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 1718.689716] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 1718.699611] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 1718.709471] R13: 00007fffbc72c90f R14: 00007f5d6fd919c0 R15: 000000000075bf2c [ 1718.720436] [ 1718.720436] Showing all locks held in the system: [ 1718.726790] 1 lock held by khungtaskd/1014: [ 1718.731344] #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7f/0x21f [ 1718.740471] 2 locks held by getty/7021: [ 1718.744448] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1718.753195] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1718.762564] 2 locks held by getty/7022: [ 1718.766541] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1718.775300] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1718.784761] 2 locks held by getty/7023: [ 1718.788738] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1718.797509] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1718.807120] 2 locks held by getty/7024: [ 1718.811135] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1718.819841] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1718.829268] 2 locks held by getty/7025: [ 1718.833300] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1718.842034] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1718.851393] 2 locks held by getty/7026: [ 1718.855368] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1718.864103] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1718.873463] 2 locks held by getty/7027: [ 1718.877443] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1718.886191] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17b0 [ 1718.895572] 1 lock held by syz-executor.1/7482: [ 1718.900349] #0: (&mm->mmap_sem){++++}, at: [] do_exit+0x3d2/0x2c10 [ 1718.908531] 1 lock held by syz-executor.1/7488: [ 1718.913268] #0: (&mm->mmap_sem){++++}, at: [] do_exit+0x3d2/0x2c10 [ 1718.921387] [ 1718.923027] ============================================= [ 1718.923027] [ 1718.931200] NMI backtrace for cpu 1 [ 1718.934840] CPU: 1 PID: 1014 Comm: khungtaskd Not tainted 4.14.134 #30 [ 1718.941499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1718.950846] Call Trace: [ 1718.953434] dump_stack+0x138/0x19c [ 1718.957064] nmi_cpu_backtrace.cold+0x57/0x94 [ 1718.961556] ? irq_force_complete_move.cold+0x7d/0x7d [ 1718.966757] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 1718.972039] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1718.977234] watchdog+0x5e7/0xb90 [ 1718.980693] kthread+0x319/0x430 [ 1718.984053] ? hungtask_pm_notify+0x50/0x50 [ 1718.988390] ? kthread_create_on_node+0xd0/0xd0 [ 1718.993059] ret_from_fork+0x24/0x30 [ 1718.996849] Sending NMI from CPU 1 to CPUs 0: [ 1719.001880] NMI backtrace for cpu 0 [ 1719.001884] CPU: 0 PID: 7497 Comm: syz-executor.1 Not tainted 4.14.134 #30 [ 1719.001888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1719.001891] task: ffff8880927c4680 task.stack: ffff8880a0398000 [ 1719.001893] RIP: 0010:mark_lock+0x78/0x1240 [ 1719.001896] RSP: 0018:ffff8880a039f7c8 EFLAGS: 00000046 [ 1719.001902] RAX: 000000000000057e RBX: 0000000000000000 RCX: 1ffff110124f89e9 [ 1719.001906] RDX: 0000000000000000 RSI: ffff8880927c4f28 RDI: ffff8880927c4680 [ 1719.001909] RBP: ffff8880a039f810 R08: 0000000000000001 R09: ffff8880927c4f48 [ 1719.001913] R10: ffff8880927c4f28 R11: ffff8880927c4680 R12: ffff8880927c4f28 [ 1719.001916] R13: 0000000000000100 R14: 0000000000000008 R15: ffff8880927c4680 [ 1719.001920] FS: 00007f5d6fd70700(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 [ 1719.001923] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1719.001926] CR2: 0000000001626040 CR3: 00000000a6096000 CR4: 00000000001406f0 [ 1719.001928] Call Trace: [ 1719.001931] __lock_acquire+0x5f9/0x45e0 [ 1719.001933] ? _raw_spin_unlock_irq+0x28/0x90 [ 1719.001936] ? trace_hardirqs_on_caller+0x400/0x590 [ 1719.001939] ? trace_hardirqs_on+0x10/0x10 [ 1719.001941] ? trace_hardirqs_on_caller+0x400/0x590 [ 1719.001944] ? save_trace+0x290/0x290 [ 1719.001946] ? __lock_is_held+0xb6/0x140 [ 1719.001948] lock_acquire+0x16f/0x430 [ 1719.001951] ? perf_mmap+0x50a/0x13f0 [ 1719.001953] ? perf_mmap+0x50a/0x13f0 [ 1719.001956] __mutex_lock+0xe8/0x1470 [ 1719.001958] ? perf_mmap+0x50a/0x13f0 [ 1719.001960] ? perf_mmap+0x64b/0x13f0 [ 1719.001963] ? perf_mmap+0x50a/0x13f0 [ 1719.001965] ? mutex_trylock+0x1c0/0x1c0 [ 1719.001968] ? __mutex_unlock_slowpath+0x71/0x800 [ 1719.001971] ? wait_for_completion+0x420/0x420 [ 1719.001973] mutex_lock_nested+0x16/0x20 [ 1719.001976] ? mutex_lock_nested+0x16/0x20 [ 1719.001978] perf_mmap+0x50a/0x13f0 [ 1719.001981] mmap_region+0x852/0x1030 [ 1719.001983] do_mmap+0x5b8/0xcd0 [ 1719.001986] vm_mmap_pgoff+0x17a/0x1d0 [ 1719.001988] ? vma_is_stack_for_current+0xa0/0xa0 [ 1719.001991] ? __fget+0x237/0x370 [ 1719.001993] SyS_mmap_pgoff+0x3ca/0x520 [ 1719.001996] ? find_mergeable_anon_vma+0x2c0/0x2c0 [ 1719.001998] ? do_syscall_64+0x53/0x640 [ 1719.002001] ? align_vdso_addr+0x60/0x60 [ 1719.002003] SyS_mmap+0x16/0x20 [ 1719.002005] do_syscall_64+0x1e8/0x640 [ 1719.002008] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1719.002011] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1719.002013] RIP: 0033:0x459829 [ 1719.002016] RSP: 002b:00007f5d6fd6fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 1719.002022] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000459829 [ 1719.002025] RDX: 0000000003000001 RSI: 0000000000003000 RDI: 0000000020ffd000 [ 1719.002028] RBP: 000000000075bfc8 R08: 0000000000000003 R09: 0000000000000000 [ 1719.002032] R10: 0000000000001011 R11: 0000000000000246 R12: 00007f5d6fd706d4 [ 1719.002035] R13: 00000000004c5d59 R14: 00000000004da6d0 R15: 00000000ffffffff [ 1719.002037] Code: 44 24 20 66 a9 ff 1f 74 7d 48 ba 00 00 00 00 00 fc ff df 4c 89 c9 48 c1 e9 03 0f b6 14 11 84 d2 74 09 80 fa 03 0f 8e de 06 00 00 <25> ff 1f 00 00 48 69 d8 50 01 00 00 48 81 eb 50 01 00 00 48 81 [ 1719.003175] Kernel panic - not syncing: hung_task: blocked tasks [ 1719.307355] CPU: 1 PID: 1014 Comm: khungtaskd Not tainted 4.14.134 #30 [ 1719.314015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1719.323362] Call Trace: [ 1719.325947] dump_stack+0x138/0x19c [ 1719.329578] panic+0x1f2/0x426 [ 1719.332769] ? add_taint.cold+0x16/0x16 [ 1719.336756] ? ___preempt_schedule+0x16/0x18 [ 1719.341179] watchdog+0x5f8/0xb90 [ 1719.344719] kthread+0x319/0x430 [ 1719.348085] ? hungtask_pm_notify+0x50/0x50 [ 1719.352407] ? kthread_create_on_node+0xd0/0xd0 [ 1719.357074] ret_from_fork+0x24/0x30 [ 1719.361993] Kernel Offset: disabled [ 1719.365639] Rebooting in 86400 seconds..