Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 37.255193] kauditd_printk_skb: 10 callbacks suppressed [ 37.255198] audit: type=1400 audit(1577867797.048:36): avc: denied { map } for pid=6959 comm="syz-fuzzer" path="/root/syz-fuzzer" dev="sda1" ino=16480 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 39.255367] IPVS: ftp: loaded support on port[0] = 21 [ 39.625698] can: request_module (can-proto-0) failed. [ 40.773481] can: request_module (can-proto-0) failed. [ 40.919599] audit: type=1400 audit(1577867800.718:37): avc: denied { create } for pid=6959 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 [ 40.943117] audit: type=1400 audit(1577867800.718:38): avc: denied { create } for pid=6959 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 40.966694] audit: type=1400 audit(1577867800.718:39): avc: denied { create } for pid=6959 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 Warning: Permanently added '10.128.10.13' (ECDSA) to the list of known hosts. 2020/01/01 08:36:48 parsed 1 programs 2020/01/01 08:36:48 executed programs: 0 [ 49.042280] IPVS: ftp: loaded support on port[0] = 21 [ 49.042283] IPVS: ftp: loaded support on port[0] = 21 [ 49.061208] IPVS: ftp: loaded support on port[0] = 21 [ 49.061534] IPVS: ftp: loaded support on port[0] = 21 [ 49.069832] IPVS: ftp: loaded support on port[0] = 21 [ 49.075847] IPVS: ftp: loaded support on port[0] = 21 [ 49.267159] chnl_net:caif_netlink_parms(): no params data found [ 49.286772] chnl_net:caif_netlink_parms(): no params data found [ 49.318346] chnl_net:caif_netlink_parms(): no params data found [ 49.396795] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.405303] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.412301] device bridge_slave_0 entered promiscuous mode [ 49.421150] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.427501] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.434384] device bridge_slave_1 entered promiscuous mode [ 49.457754] chnl_net:caif_netlink_parms(): no params data found [ 49.466699] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.494703] chnl_net:caif_netlink_parms(): no params data found [ 49.506066] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.512886] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.519763] device bridge_slave_0 entered promiscuous mode [ 49.526795] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.539270] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.545692] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.553613] device bridge_slave_0 entered promiscuous mode [ 49.561898] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.568543] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.575325] device bridge_slave_1 entered promiscuous mode [ 49.593682] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.600288] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.607135] device bridge_slave_1 entered promiscuous mode [ 49.621851] chnl_net:caif_netlink_parms(): no params data found [ 49.639585] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.660824] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 49.670686] team0: Port device team_slave_0 added [ 49.685725] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.694849] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.706870] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.715058] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 49.722298] team0: Port device team_slave_1 added [ 49.746590] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.754267] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.761605] device bridge_slave_0 entered promiscuous mode [ 49.772773] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.783528] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.791365] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.798239] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.805048] device bridge_slave_0 entered promiscuous mode [ 49.811744] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 49.819938] team0: Port device team_slave_0 added [ 49.825043] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.831440] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.838622] device bridge_slave_1 entered promiscuous mode [ 49.848934] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 49.856114] team0: Port device team_slave_0 added [ 49.867912] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.874259] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.881514] device bridge_slave_1 entered promiscuous mode [ 49.887739] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 49.895017] team0: Port device team_slave_1 added [ 49.900438] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.912221] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 49.919794] team0: Port device team_slave_1 added [ 49.939144] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.955631] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.962816] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.969350] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.976247] device bridge_slave_0 entered promiscuous mode [ 50.020084] device hsr_slave_0 entered promiscuous mode [ 50.067928] device hsr_slave_1 entered promiscuous mode [ 50.131892] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.140934] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.148784] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.156474] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.164210] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.170924] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.177890] device bridge_slave_1 entered promiscuous mode [ 50.184264] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 50.196501] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.250017] device hsr_slave_0 entered promiscuous mode [ 50.287881] device hsr_slave_1 entered promiscuous mode [ 50.389132] device hsr_slave_0 entered promiscuous mode [ 50.447784] device hsr_slave_1 entered promiscuous mode [ 50.528031] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 50.534933] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 50.545417] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 50.562036] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 50.572673] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 50.585452] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 50.592964] team0: Port device team_slave_0 added [ 50.603349] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 50.610913] team0: Port device team_slave_1 added [ 50.616834] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.624922] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 50.632173] team0: Port device team_slave_0 added [ 50.637699] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 50.644823] team0: Port device team_slave_1 added [ 50.651578] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.660042] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.668161] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.680373] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.689301] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.695782] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.723654] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.737349] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 50.745044] team0: Port device team_slave_0 added [ 50.750592] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 50.757918] team0: Port device team_slave_1 added [ 50.819045] device hsr_slave_0 entered promiscuous mode [ 50.857791] device hsr_slave_1 entered promiscuous mode [ 50.898001] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 50.905307] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 50.913133] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.924216] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.931753] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.999103] device hsr_slave_0 entered promiscuous mode [ 51.037842] device hsr_slave_1 entered promiscuous mode [ 51.101697] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 51.118821] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 51.169074] device hsr_slave_0 entered promiscuous mode [ 51.217925] device hsr_slave_1 entered promiscuous mode [ 51.268144] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 51.275129] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 51.291185] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.318852] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.331800] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 51.369087] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.400389] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.409912] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 51.421499] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.432138] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 51.442191] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.455151] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 51.462629] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.471362] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 51.477422] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.484922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.493329] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.500244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.506962] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.515972] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 51.522098] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.533594] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.542672] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.554620] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.562653] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 51.572121] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 51.578703] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.585507] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.592878] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.600577] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.608491] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.614944] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.622467] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.631593] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.640612] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 51.648195] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 51.656068] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 51.665171] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 51.673899] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.682716] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.690571] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.696926] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.703691] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.711352] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.718930] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.725250] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.732031] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.740000] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.747435] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.753791] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.760534] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 51.769704] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.776614] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 51.783853] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.793371] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 51.799769] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.806669] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 51.817380] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.824701] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.831636] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.838565] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.845285] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 51.854140] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 51.865308] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 51.873424] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 51.879818] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.886830] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 51.894955] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 51.902902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.909818] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.916543] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.925452] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 51.932070] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.939249] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 51.947764] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 51.956717] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 51.967613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.975484] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.985388] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.991756] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.999097] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.006631] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.014370] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.022250] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.029438] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.038176] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 52.046463] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 52.055587] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 52.064704] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 52.071915] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.082232] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.090247] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.096584] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.103497] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.111282] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.118908] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.126321] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.134087] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.141910] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.149459] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.155781] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.163341] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 52.171452] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.179164] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 52.187096] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 52.193244] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.204255] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 52.211648] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.218997] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.226637] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.235890] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.242256] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.249434] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.256959] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.264830] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.272443] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.280505] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.288215] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.294578] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.301573] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.308595] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.317322] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.326235] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 52.335705] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 52.344340] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.353415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.361186] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.369231] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.375564] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.382464] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.390565] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.398306] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.404633] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.412135] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 52.421864] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 52.430805] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 52.440146] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.451782] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.460458] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 52.468014] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.475000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.483626] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.490992] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.499246] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.506601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.514535] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.522198] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.530013] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.537488] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.545325] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.552906] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.559287] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.566480] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.575629] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 52.582026] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.590639] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 52.599399] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 52.608020] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.616295] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 52.627447] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.635306] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.643036] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.650653] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.658189] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.665700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.673201] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.680513] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.689680] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 52.698665] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 52.707356] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 52.716097] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.724279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.732162] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.739659] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.747000] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.754494] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.761978] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.769545] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.780768] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 52.794272] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 52.801650] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 52.807771] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.816051] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 52.825699] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.834606] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.842964] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.849888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.857316] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.864913] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.872745] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.880314] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.888044] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.896581] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 52.902721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.914803] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 52.923225] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 52.932554] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 52.943146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.952353] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.959954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.967789] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.975176] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.982879] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.992244] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 52.998958] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.008175] audit: type=1400 audit(1577867812.808:40): avc: denied { associate } for pid=7066 comm="syz-executor.1" name="syz1" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 53.009720] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 53.048643] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.068701] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 53.074910] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.084136] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.091419] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.099413] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.108220] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.118187] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.125790] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.138383] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 53.147056] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.162206] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.175319] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 53.187983] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 53.196044] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 53.205098] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.212642] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.220941] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.228568] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.236078] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.243612] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.252374] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 53.264758] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.275489] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 53.281833] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.290916] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 53.296918] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.304775] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.312355] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.330402] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.366137] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 53.404578] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 53.438238] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.457150] 8021q: adding VLAN 0 to HW filter on device batadv0 2020/01/01 08:36:54 executed programs: 23 [ 211.327771] INFO: task syz-executor.3:7126 blocked for more than 140 seconds. [ 211.335196] Not tainted 4.19.92-syzkaller #0 [ 211.367548] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 211.375540] syz-executor.3 D28136 7126 7067 0x80000000 [ 211.427550] Call Trace: [ 211.430184] __schedule+0x78c/0x1c10 [ 211.433897] ? pci_mmcfg_check_reserved+0x120/0x120 [ 211.467564] ? rwsem_down_read_failed+0x203/0x3e0 [ 211.472434] ? lockdep_hardirqs_on+0x421/0x5c0 [ 211.477005] ? _raw_spin_unlock_irq+0x27/0x80 [ 211.527566] ? rwsem_down_read_failed+0x21c/0x3e0 [ 211.532436] schedule+0x7f/0x1b0 [ 211.535793] rwsem_down_read_failed+0x21c/0x3e0 [ 211.570088] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 211.575039] ? find_held_lock+0x36/0x1d0 [ 211.607585] call_rwsem_down_read_failed+0x18/0x30 [ 211.612555] down_read+0x49/0xb0 [ 211.615932] ? do_exit+0x3b7/0x2d40 [ 211.661940] do_exit+0x3b7/0x2d40 [ 211.665434] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 211.687562] ? find_held_lock+0x30/0x1d0 [ 211.691640] ? mm_update_next_owner+0x680/0x680 [ 211.696304] ? do_group_exit+0x26e/0x2f0 [ 211.741881] ? _raw_spin_unlock_irq+0x27/0x80 [ 211.746398] ? do_group_exit+0x26e/0x2f0 [ 211.782032] ? lockdep_hardirqs_on+0x421/0x5c0 [ 211.786663] ? _raw_spin_unlock_irq+0x27/0x80 [ 211.813043] ? trace_hardirqs_on+0x28/0x190 [ 211.817389] do_group_exit+0xf4/0x2f0 [ 211.837572] __x64_sys_exit_group+0x39/0x40 [ 211.841935] do_syscall_64+0xd0/0x4e0 [ 211.845727] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 211.892983] RIP: 0033:0x459279 [ 211.896214] Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 211.980451] RSP: 002b:00007ffe3e1b8968 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 212.000610] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000459279 [ 212.029006] RDX: 0000000000412f61 RSI: fffffffffffffff7 RDI: 0000000000000000 [ 212.036289] RBP: 0000000000000000 R08: ffffffffffffffff R09: 00007ffe3e1b89c0 [ 212.089021] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 212.096311] R13: 00007ffe3e1b89c0 R14: 0000000000000000 R15: 00007ffe3e1b89d0 [ 212.149029] INFO: task syz-executor.3:7127 blocked for more than 140 seconds. [ 212.156341] Not tainted 4.19.92-syzkaller #0 [ 212.188996] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 212.196982] syz-executor.3 D28008 7127 7067 0x80000000 [ 212.249012] Call Trace: [ 212.251636] __schedule+0x78c/0x1c10 [ 212.255347] ? pci_mmcfg_check_reserved+0x120/0x120 [ 212.289033] ? rwsem_down_read_failed+0x203/0x3e0 [ 212.293898] ? lockdep_hardirqs_on+0x421/0x5c0 [ 212.329108] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.333622] ? rwsem_down_read_failed+0x21c/0x3e0 [ 212.369103] schedule+0x7f/0x1b0 [ 212.372494] rwsem_down_read_failed+0x21c/0x3e0 [ 212.377150] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 212.420446] ? find_held_lock+0x36/0x1d0 [ 212.424549] call_rwsem_down_read_failed+0x18/0x30 [ 212.460479] down_read+0x49/0xb0 [ 212.463869] ? do_exit+0x3b7/0x2d40 [ 212.467484] do_exit+0x3b7/0x2d40 [ 212.500437] ? mm_update_next_owner+0x680/0x680 [ 212.505131] ? find_held_lock+0x36/0x1d0 [ 212.529022] ? get_signal+0x2c3/0x1a00 [ 212.532931] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.537437] ? get_signal+0x2c3/0x1a00 [ 212.569074] do_group_exit+0xf4/0x2f0 [ 212.572919] get_signal+0x313/0x1a00 [ 212.576633] do_signal+0x87/0x1960 [ 212.620500] ? lock_downgrade+0x860/0x860 [ 212.624708] ? setup_sigcontext+0x7d0/0x7d0 [ 212.660609] ? kasan_check_read+0x11/0x20 [ 212.664784] ? _copy_to_user+0x91/0xb0 [ 212.688948] ? __x64_sys_futex+0x1cb/0x3a0 [ 212.693276] ? exit_to_usermode_loop+0x3a/0x200 [ 212.729018] ? do_syscall_64+0x413/0x4e0 [ 212.733103] ? lockdep_hardirqs_on+0x421/0x5c0 [ 212.760433] ? exit_to_usermode_loop+0x3a/0x200 [ 212.765122] ? trace_hardirqs_on+0x28/0x190 [ 212.789071] exit_to_usermode_loop+0x114/0x200 [ 212.793673] do_syscall_64+0x413/0x4e0 [ 212.829010] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 212.834214] RIP: 0033:0x459279 [ 212.837396] Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 212.929128] RSP: 002b:00007f691f0adcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 212.936860] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 0000000000459279 [ 212.989015] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 212.996327] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 213.049011] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 213.056347] R13: 00007ffe3e1b875f R14: 00007f691f0ae9c0 R15: 000000000075bf2c [ 213.109014] INFO: task syz-executor.3:7144 blocked for more than 140 seconds. [ 213.116308] Not tainted 4.19.92-syzkaller #0 [ 213.148990] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 213.156997] syz-executor.3 D29000 7144 7067 0x80000000 [ 213.209011] Call Trace: [ 213.211630] __schedule+0x78c/0x1c10 [ 213.215337] ? pci_mmcfg_check_reserved+0x120/0x120 [ 213.254128] ? rwsem_down_read_failed+0x203/0x3e0 [ 213.267630] ? lockdep_hardirqs_on+0x421/0x5c0 [ 213.272231] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.276733] ? rwsem_down_read_failed+0x21c/0x3e0 [ 213.317564] schedule+0x7f/0x1b0 [ 213.320948] rwsem_down_read_failed+0x21c/0x3e0 [ 213.325611] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 213.377565] ? find_held_lock+0x36/0x1d0 [ 213.381662] call_rwsem_down_read_failed+0x18/0x30 [ 213.386586] down_read+0x49/0xb0 [ 213.407726] ? do_exit+0x3b7/0x2d40 [ 213.411369] do_exit+0x3b7/0x2d40 [ 213.414837] ? mm_update_next_owner+0x680/0x680 [ 213.447577] ? find_held_lock+0x36/0x1d0 [ 213.451679] ? get_signal+0x2c3/0x1a00 [ 213.455558] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.477577] ? get_signal+0x2c3/0x1a00 [ 213.481482] do_group_exit+0xf4/0x2f0 [ 213.485293] get_signal+0x313/0x1a00 [ 213.517568] do_signal+0x87/0x1960 [ 213.521237] ? lock_downgrade+0x860/0x860 [ 213.547569] ? setup_sigcontext+0x7d0/0x7d0 [ 213.551926] ? kasan_check_read+0x11/0x20 [ 213.556089] ? _copy_to_user+0x91/0xb0 [ 213.577573] ? __x64_sys_futex+0x1cb/0x3a0 [ 213.581824] ? blkg_prfill_rwstat_field_recursive+0x100/0x100 [ 213.607599] ? exit_to_usermode_loop+0x3a/0x200 [ 213.612316] ? do_syscall_64+0x413/0x4e0 [ 213.616366] ? lockdep_hardirqs_on+0x421/0x5c0 [ 213.647647] ? exit_to_usermode_loop+0x3a/0x200 [ 213.652370] ? trace_hardirqs_on+0x28/0x190 [ 213.656688] exit_to_usermode_loop+0x114/0x200 [ 213.687588] do_syscall_64+0x413/0x4e0 [ 213.691499] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 213.696677] RIP: 0033:0x459279 [ 213.727560] Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 213.787583] RSP: 002b:00007f691f08ccf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 213.795319] RAX: fffffffffffffe00 RBX: 000000000075bfc8 RCX: 0000000000459279 [ 213.827558] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bfc8 [ 213.834856] RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 213.877548] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bfcc [ 213.884941] R13: 00007ffe3e1b875f R14: 00007f691f08d9c0 R15: 000000000075bfcc [ 213.917583] INFO: task syz-executor.1:7130 blocked for more than 140 seconds. [ 213.924873] Not tainted 4.19.92-syzkaller #0 [ 213.957547] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 213.965532] syz-executor.1 D28136 7130 7066 0x80000004 [ 213.997549] Call Trace: [ 214.000192] __schedule+0x78c/0x1c10 [ 214.003900] ? pci_mmcfg_check_reserved+0x120/0x120 [ 214.027594] ? rwsem_down_read_failed+0x203/0x3e0 [ 214.032480] ? lockdep_hardirqs_on+0x421/0x5c0 [ 214.037051] ? _raw_spin_unlock_irq+0x27/0x80 [ 214.077598] ? rwsem_down_read_failed+0x21c/0x3e0 [ 214.082472] schedule+0x7f/0x1b0 [ 214.085847] rwsem_down_read_failed+0x21c/0x3e0 [ 214.117569] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 214.122524] ? find_held_lock+0x36/0x1d0 [ 214.126588] call_rwsem_down_read_failed+0x18/0x30 [ 214.157575] down_read+0x49/0xb0 [ 214.160965] ? do_exit+0x3b7/0x2d40 [ 214.164581] do_exit+0x3b7/0x2d40 [ 214.187563] ? kasan_check_write+0x14/0x20 [ 214.191816] ? wake_up_q+0xb3/0x100 [ 214.195436] ? mm_update_next_owner+0x680/0x680 [ 214.227582] ? find_held_lock+0x36/0x1d0 [ 214.231671] ? get_signal+0x2c3/0x1a00 [ 214.235548] ? _raw_spin_unlock_irq+0x27/0x80 [ 214.267566] ? get_signal+0x2c3/0x1a00 [ 214.271738] do_group_exit+0xf4/0x2f0 [ 214.275531] get_signal+0x313/0x1a00 [ 214.307575] ? vm_mmap_pgoff+0x15a/0x210 [ 214.311655] ? lock_downgrade+0x860/0x860 [ 214.315804] do_signal+0x87/0x1960 [ 214.337584] ? vm_mmap_pgoff+0x15a/0x210 [ 214.341663] ? vma_is_stack_for_current+0x90/0x90 [ 214.346495] ? setup_sigcontext+0x7d0/0x7d0 [ 214.377576] ? _copy_to_user+0x91/0xb0 [ 214.381490] ? ksys_mmap_pgoff+0xa4/0x650 [ 214.385646] ? exit_to_usermode_loop+0x3a/0x200 [ 214.417565] ? do_syscall_64+0x413/0x4e0 [ 214.421644] ? lockdep_hardirqs_on+0x421/0x5c0 [ 214.426211] ? exit_to_usermode_loop+0x3a/0x200 [ 214.457575] ? trace_hardirqs_on+0x28/0x190 [ 214.461951] exit_to_usermode_loop+0x114/0x200 [ 214.466526] do_syscall_64+0x413/0x4e0 [ 214.497568] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 214.502772] RIP: 0033:0x4592ca [ 214.505958] Code: 89 f5 41 54 49 89 fc 55 53 74 35 49 63 e8 48 63 da 4d 89 f9 49 89 e8 4d 63 d6 48 89 da 4c 89 ee 4c 89 e7 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 4e 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 00 [ 214.577567] RSP: 002b:00007ffcc0955648 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 214.585301] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00000000004592ca [ 214.617570] RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000 [ 214.624874] RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 [ 214.667557] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 [ 214.674851] R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000 [ 214.707569] INFO: task syz-executor.1:7143 blocked for more than 140 seconds. [ 214.714861] Not tainted 4.19.92-syzkaller #0 [ 214.747549] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 214.755538] syz-executor.1 D28616 7143 7066 0x80000004 [ 214.787552] Call Trace: [ 214.790174] __schedule+0x78c/0x1c10 [ 214.793888] ? pci_mmcfg_check_reserved+0x120/0x120 [ 214.827579] ? rwsem_down_read_failed+0x203/0x3e0 [ 214.832454] ? lockdep_hardirqs_on+0x421/0x5c0 [ 214.837039] ? _raw_spin_unlock_irq+0x27/0x80 [ 214.867567] ? rwsem_down_read_failed+0x21c/0x3e0 [ 214.872425] schedule+0x7f/0x1b0 [ 214.875781] rwsem_down_read_failed+0x21c/0x3e0 [ 214.907559] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 214.912502] ? find_held_lock+0x36/0x1d0 [ 214.916592] call_rwsem_down_read_failed+0x18/0x30 [ 214.947560] down_read+0x49/0xb0 [ 214.950956] ? do_exit+0x3b7/0x2d40 [ 214.954571] do_exit+0x3b7/0x2d40 [ 214.977561] ? trace_hardirqs_on+0x28/0x190 [ 214.981902] ? mm_update_next_owner+0x680/0x680 [ 214.986565] ? find_held_lock+0x36/0x1d0 [ 215.017571] ? get_signal+0x2c3/0x1a00 [ 215.021475] ? _raw_spin_unlock_irq+0x27/0x80 [ 215.025957] ? get_signal+0x2c3/0x1a00 [ 215.057566] do_group_exit+0xf4/0x2f0 [ 215.061382] get_signal+0x313/0x1a00 [ 215.065085] ? vm_mmap_pgoff+0x15a/0x210 [ 215.097593] ? lock_downgrade+0x860/0x860 [ 215.101777] do_signal+0x87/0x1960 [ 215.105307] ? vm_mmap_pgoff+0x15a/0x210 [ 215.127563] ? vma_is_stack_for_current+0x90/0x90 [ 215.132524] ? setup_sigcontext+0x7d0/0x7d0 [ 215.136841] ? ksys_dup3+0x2e0/0x2e0 [ 215.167613] ? _copy_to_user+0x91/0xb0 [ 215.171533] ? kasan_check_write+0x14/0x20 [ 215.175759] ? fput+0x18/0x120 [ 215.197572] ? ksys_mmap_pgoff+0x3dc/0x650 [ 215.201822] ? exit_to_usermode_loop+0x3a/0x200 [ 215.206479] ? do_syscall_64+0x413/0x4e0 [ 215.237567] ? lockdep_hardirqs_on+0x421/0x5c0 [ 215.242162] ? exit_to_usermode_loop+0x3a/0x200 [ 215.246817] ? trace_hardirqs_on+0x28/0x190 [ 215.277565] exit_to_usermode_loop+0x114/0x200 [ 215.282168] do_syscall_64+0x413/0x4e0 [ 215.286047] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 215.327559] RIP: 0033:0x459279 [ 215.330777] Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 215.397579] RSP: 002b:00007fd243884c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 215.405322] RAX: fffffffffffffffc RBX: 0000000000000006 RCX: 0000000000459279 [ 215.437573] RDX: 0000000001000000 RSI: 0000000000001000 RDI: 0000000020ffd000 [ 215.444868] RBP: 000000000075bfc0 R08: 0000000000000004 R09: 0000000000000000 [ 215.477569] R10: 0000000000000011 R11: 0000000000000246 R12: 00007fd2438856d4 [ 215.484853] R13: 00000000004c5567 R14: 00000000004d9918 R15: 00000000ffffffff [ 215.519940] INFO: task syz-executor.4:7156 blocked for more than 140 seconds. [ 215.547558] Not tainted 4.19.92-syzkaller #0 [ 215.552497] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 215.587555] syz-executor.4 D28136 7156 7063 0x80000000 [ 215.593210] Call Trace: [ 215.595799] __schedule+0x78c/0x1c10 [ 215.627578] ? pci_mmcfg_check_reserved+0x120/0x120 [ 215.632636] ? rwsem_down_read_failed+0x203/0x3e0 [ 215.637479] ? lockdep_hardirqs_on+0x421/0x5c0 [ 215.667584] ? _raw_spin_unlock_irq+0x27/0x80 [ 215.672121] ? rwsem_down_read_failed+0x21c/0x3e0 [ 215.676950] schedule+0x7f/0x1b0 [ 215.707562] rwsem_down_read_failed+0x21c/0x3e0 [ 215.712250] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 215.717199] ? find_held_lock+0x36/0x1d0 [ 215.751841] call_rwsem_down_read_failed+0x18/0x30 [ 215.756791] down_read+0x49/0xb0 [ 215.777550] ? do_exit+0x3b7/0x2d40 [ 215.781182] do_exit+0x3b7/0x2d40 [ 215.784625] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 215.831864] ? find_held_lock+0x30/0x1d0 [ 215.835940] ? mm_update_next_owner+0x680/0x680 [ 215.857558] ? do_group_exit+0x26e/0x2f0 [ 215.861645] ? _raw_spin_unlock_irq+0x27/0x80 [ 215.866128] ? do_group_exit+0x26e/0x2f0 [ 215.911880] ? lockdep_hardirqs_on+0x421/0x5c0 [ 215.916495] ? _raw_spin_unlock_irq+0x27/0x80 [ 215.957559] ? trace_hardirqs_on+0x28/0x190 [ 215.961911] do_group_exit+0xf4/0x2f0 [ 215.965708] __x64_sys_exit_group+0x39/0x40 [ 215.997559] do_syscall_64+0xd0/0x4e0 [ 216.001382] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 216.006559] RIP: 0033:0x459279 [ 216.052690] Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 216.131853] RSP: 002b:00007ffd3fb54e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 216.152150] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000459279 [ 216.191858] RDX: 0000000000412f61 RSI: fffffffffffffff7 RDI: 0000000000000000 [ 216.211925] RBP: 0000000000000000 R08: ffffffffffffffff R09: 00007ffd3fb54eb0 [ 216.237556] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000001 [ 216.244924] R13: 00007ffd3fb54eb0 R14: 0000000000000000 R15: 00007ffd3fb54ec0 [ 216.297571] INFO: task syz-executor.4:7157 blocked for more than 140 seconds. [ 216.304881] Not tainted 4.19.92-syzkaller #0 [ 216.351876] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 216.377571] syz-executor.4 D28008 7157 7063 0x80000000 [ 216.383243] Call Trace: [ 216.385830] __schedule+0x78c/0x1c10 [ 216.417573] ? pci_mmcfg_check_reserved+0x120/0x120 [ 216.422607] ? rwsem_down_read_failed+0x203/0x3e0 [ 216.427458] ? lockdep_hardirqs_on+0x421/0x5c0 [ 216.457601] ? _raw_spin_unlock_irq+0x27/0x80 [ 216.462132] ? rwsem_down_read_failed+0x21c/0x3e0 [ 216.466978] schedule+0x7f/0x1b0 [ 216.497564] rwsem_down_read_failed+0x21c/0x3e0 [ 216.502253] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 216.507177] ? find_held_lock+0x36/0x1d0 [ 216.537595] call_rwsem_down_read_failed+0x18/0x30 [ 216.542554] down_read+0x49/0xb0 [ 216.545912] ? do_exit+0x3b7/0x2d40 [ 216.577570] do_exit+0x3b7/0x2d40 [ 216.581056] ? mm_update_next_owner+0x680/0x680 [ 216.585719] ? find_held_lock+0x36/0x1d0 [ 216.607966] ? get_signal+0x2c3/0x1a00 [ 216.611893] ? _raw_spin_unlock_irq+0x27/0x80 [ 216.616379] ? get_signal+0x2c3/0x1a00 [ 216.647575] do_group_exit+0xf4/0x2f0 [ 216.651403] get_signal+0x313/0x1a00 [ 216.655117] do_signal+0x87/0x1960 [ 216.677561] ? lock_downgrade+0x860/0x860 [ 216.681759] ? setup_sigcontext+0x7d0/0x7d0 [ 216.686071] ? kasan_check_read+0x11/0x20 [ 216.717576] ? _copy_to_user+0x91/0xb0 [ 216.721485] ? __x64_sys_futex+0x1cb/0x3a0 [ 216.725712] ? exit_to_usermode_loop+0x3a/0x200 [ 216.757605] ? do_syscall_64+0x413/0x4e0 [ 216.761690] ? lockdep_hardirqs_on+0x421/0x5c0 [ 216.766367] ? exit_to_usermode_loop+0x3a/0x200 [ 216.797558] ? trace_hardirqs_on+0x28/0x190 [ 216.801901] exit_to_usermode_loop+0x114/0x200 [ 216.806477] do_syscall_64+0x413/0x4e0 [ 216.837564] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 216.842772] RIP: 0033:0x459279 [ 216.845956] Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 216.927562] RSP: 002b:00007f5e88a92cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 216.935306] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 0000000000459279 [ 216.967562] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 216.974853] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 217.007569] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 217.014861] R13: 00007ffd3fb54c4f R14: 00007f5e88a939c0 R15: 000000000075bf2c [ 217.057576] INFO: task syz-executor.4:7167 blocked for more than 140 seconds. [ 217.064865] Not tainted 4.19.92-syzkaller #0 [ 217.097553] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 217.105535] syz-executor.4 D29000 7167 7063 0x80000000 [ 217.137553] Call Trace: [ 217.140165] __schedule+0x78c/0x1c10 [ 217.143875] ? pci_mmcfg_check_reserved+0x120/0x120 [ 217.167556] ? rwsem_down_read_failed+0x203/0x3e0 [ 217.172419] ? lockdep_hardirqs_on+0x421/0x5c0 [ 217.177006] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.207588] ? rwsem_down_read_failed+0x21c/0x3e0 [ 217.212459] schedule+0x7f/0x1b0 [ 217.215831] rwsem_down_read_failed+0x21c/0x3e0 [ 217.247630] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 217.252581] ? find_held_lock+0x36/0x1d0 [ 217.256647] call_rwsem_down_read_failed+0x18/0x30 [ 217.287584] down_read+0x49/0xb0 [ 217.290979] ? do_exit+0x3b7/0x2d40 [ 217.294598] do_exit+0x3b7/0x2d40 [ 217.317579] ? mm_update_next_owner+0x680/0x680 [ 217.322264] ? find_held_lock+0x36/0x1d0 [ 217.326318] ? get_signal+0x2c3/0x1a00 [ 217.357562] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.362074] ? get_signal+0x2c3/0x1a00 [ 217.365955] do_group_exit+0xf4/0x2f0 [ 217.397567] get_signal+0x313/0x1a00 [ 217.401314] do_signal+0x87/0x1960 [ 217.404843] ? lock_downgrade+0x860/0x860 [ 217.427585] ? setup_sigcontext+0x7d0/0x7d0 [ 217.431947] ? kasan_check_read+0x11/0x20 [ 217.436097] ? _copy_to_user+0x91/0xb0 [ 217.467582] ? __x64_sys_futex+0x1cb/0x3a0 [ 217.471876] ? blkg_prfill_rwstat_field_recursive+0x100/0x100 [ 217.497590] ? exit_to_usermode_loop+0x3a/0x200 [ 217.502281] ? do_syscall_64+0x413/0x4e0 [ 217.506331] ? lockdep_hardirqs_on+0x421/0x5c0 [ 217.537588] ? exit_to_usermode_loop+0x3a/0x200 [ 217.542305] ? trace_hardirqs_on+0x28/0x190 [ 217.546638] exit_to_usermode_loop+0x114/0x200 [ 217.577607] do_syscall_64+0x413/0x4e0 [ 217.581527] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 217.586707] RIP: 0033:0x459279 [ 217.617571] Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 217.677558] RSP: 002b:00007f5e88a71cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 217.685290] RAX: fffffffffffffe00 RBX: 000000000075bfc8 RCX: 0000000000459279 [ 217.717554] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bfc8 [ 217.724835] RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 217.767562] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bfcc [ 217.774866] R13: 00007ffd3fb54c4f R14: 00007f5e88a729c0 R15: 000000000075bfcc [ 217.807565] INFO: task syz-executor.2:7176 blocked for more than 140 seconds. [ 217.814848] Not tainted 4.19.92-syzkaller #0 [ 217.847545] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 217.855523] syz-executor.2 D28136 7176 7064 0x80000004 [ 217.887547] Call Trace: [ 217.890158] __schedule+0x78c/0x1c10 [ 217.893894] ? pci_mmcfg_check_reserved+0x120/0x120 [ 217.917564] ? rwsem_down_read_failed+0x203/0x3e0 [ 217.922413] ? lockdep_hardirqs_on+0x421/0x5c0 [ 217.926983] ? _raw_spin_unlock_irq+0x27/0x80 [ 217.967560] ? rwsem_down_read_failed+0x21c/0x3e0 [ 217.972421] schedule+0x7f/0x1b0 [ 217.975776] rwsem_down_read_failed+0x21c/0x3e0 [ 218.007595] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 218.012559] ? find_held_lock+0x36/0x1d0 [ 218.016631] call_rwsem_down_read_failed+0x18/0x30 [ 218.047692] down_read+0x49/0xb0 [ 218.051078] ? do_exit+0x3b7/0x2d40 [ 218.054694] do_exit+0x3b7/0x2d40 [ 218.077564] ? trace_hardirqs_on+0x28/0x190 [ 218.081907] ? mm_update_next_owner+0x680/0x680 [ 218.086570] ? find_held_lock+0x36/0x1d0 [ 218.117567] ? get_signal+0x2c3/0x1a00 [ 218.121467] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.125949] ? get_signal+0x2c3/0x1a00 [ 218.157590] do_group_exit+0xf4/0x2f0 [ 218.161412] get_signal+0x313/0x1a00 [ 218.165115] ? vm_mmap_pgoff+0x15a/0x210 [ 218.197564] ? lock_downgrade+0x860/0x860 [ 218.201742] do_signal+0x87/0x1960 [ 218.205277] ? vm_mmap_pgoff+0x15a/0x210 [ 218.227558] ? vma_is_stack_for_current+0x90/0x90 [ 218.232412] ? setup_sigcontext+0x7d0/0x7d0 [ 218.236728] ? kvm_clock_get_cycles+0x9/0x10 [ 218.267560] ? ksys_mmap_pgoff+0xa4/0x650 [ 218.271839] ? exit_to_usermode_loop+0x3a/0x200 [ 218.276508] ? do_syscall_64+0x413/0x4e0 [ 218.307562] ? lockdep_hardirqs_on+0x421/0x5c0 [ 218.312345] ? exit_to_usermode_loop+0x3a/0x200 [ 218.317010] ? trace_hardirqs_on+0x28/0x190 [ 218.347581] exit_to_usermode_loop+0x114/0x200 [ 218.352183] do_syscall_64+0x413/0x4e0 [ 218.356063] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 218.387564] RIP: 0033:0x4592ca [ 218.390858] Code: 89 f5 41 54 49 89 fc 55 53 74 35 49 63 e8 48 63 da 4d 89 f9 49 89 e8 4d 63 d6 48 89 da 4c 89 ee 4c 89 e7 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 4e 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 00 [ 218.457580] RSP: 002b:00007ffc06e6c4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 218.465317] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00000000004592ca [ 218.497555] RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000 [ 218.504862] RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 [ 218.547588] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 [ 218.554895] R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000 [ 218.587606] INFO: task syz-executor.2:7181 blocked for more than 140 seconds. [ 218.594974] Not tainted 4.19.92-syzkaller #0 [ 218.637556] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 218.645556] syz-executor.2 D28616 7181 7064 0x80000004 [ 218.677566] Call Trace: [ 218.680211] __schedule+0x78c/0x1c10 [ 218.683920] ? pci_mmcfg_check_reserved+0x120/0x120 [ 218.707566] ? rwsem_down_read_failed+0x203/0x3e0 [ 218.712427] ? lockdep_hardirqs_on+0x421/0x5c0 [ 218.716997] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.747567] ? rwsem_down_read_failed+0x21c/0x3e0 [ 218.752422] schedule+0x7f/0x1b0 [ 218.755779] rwsem_down_read_failed+0x21c/0x3e0 [ 218.787565] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 218.792514] ? find_held_lock+0x36/0x1d0 [ 218.796580] call_rwsem_down_read_failed+0x18/0x30 [ 218.827568] down_read+0x49/0xb0 [ 218.830947] ? do_exit+0x3b7/0x2d40 [ 218.834561] do_exit+0x3b7/0x2d40 [ 218.857565] ? mm_update_next_owner+0x680/0x680 [ 218.862258] ? find_held_lock+0x36/0x1d0 [ 218.866314] ? get_signal+0x2c3/0x1a00 [ 218.897555] ? _raw_spin_unlock_irq+0x27/0x80 [ 218.902067] ? get_signal+0x2c3/0x1a00 [ 218.905951] do_group_exit+0xf4/0x2f0 [ 218.937572] get_signal+0x313/0x1a00 [ 218.941297] ? lock_downgrade+0x860/0x860 [ 218.945448] do_signal+0x87/0x1960 [ 218.967560] ? lock_downgrade+0x860/0x860 [ 218.971738] ? setup_sigcontext+0x7d0/0x7d0 [ 218.976056] ? kasan_check_read+0x11/0x20 [ 219.008638] ? _copy_to_user+0x91/0xb0 [ 219.012543] ? __x64_sys_futex+0x1cb/0x3a0 [ 219.016773] ? exit_to_usermode_loop+0x3a/0x200 [ 219.047560] ? do_syscall_64+0x413/0x4e0 [ 219.051636] ? lockdep_hardirqs_on+0x421/0x5c0 [ 219.056221] ? exit_to_usermode_loop+0x3a/0x200 [ 219.087574] ? trace_hardirqs_on+0x28/0x190 [ 219.091923] exit_to_usermode_loop+0x114/0x200 [ 219.096502] do_syscall_64+0x413/0x4e0 [ 219.127578] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 219.132779] RIP: 0033:0x459279 [ 219.135960] Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 219.217552] RSP: 002b:00007f4ed9ec8cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 219.225280] RAX: fffffffffffffe00 RBX: 000000000075bfc8 RCX: 0000000000459279 [ 219.257554] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bfc8 [ 219.264840] RBP: 000000000075bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 219.297551] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bfcc [ 219.304835] R13: 00007ffc06e6c59f R14: 00007f4ed9ec99c0 R15: 000000000075bfcc [ 219.347599] [ 219.347599] Showing all locks held in the system: [ 219.353948] 1 lock held by khungtaskd/1035: [ 219.377555] #0: 00000000f24e9ba9 (rcu_read_lock){....}, at: debug_show_all_locks+0x5b/0x27a [ 219.386288] 1 lock held by rsyslogd/6811: [ 219.417561] #0: 00000000105ca9c7 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 [ 219.425391] 2 locks held by getty/6933: [ 219.447561] #0: 000000006b404e7d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 219.455817] #1: 00000000d4ffc22a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 219.507564] 2 locks held by getty/6934: [ 219.511556] #0: 0000000043250caa (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 219.537555] #1: 00000000fed1db78 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 219.546516] 2 locks held by getty/6935: [ 219.577582] #0: 00000000406cd343 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 219.585873] #1: 00000000dcb14f5e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 219.637566] 2 locks held by getty/6936: [ 219.641567] #0: 000000002c5cea38 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 219.667582] #1: 00000000ea4ba84d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 219.676461] 2 locks held by getty/6937: [ 219.707565] #0: 00000000051ccf8d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 219.715821] #1: 000000004ce740db (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 219.767560] 2 locks held by getty/6938: [ 219.771553] #0: 00000000db2e9643 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 219.797551] #1: 00000000dc7fb46c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 219.806586] 2 locks held by getty/6939: [ 219.837549] #0: 000000005f561784 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 219.845800] #1: 00000000a213326b (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 219.897561] 1 lock held by syz-executor.3/7126: [ 219.902352] #0: 000000003c9a73e6 (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 219.927559] 1 lock held by syz-executor.3/7127: [ 219.932234] #0: 000000003c9a73e6 (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 219.967556] 1 lock held by syz-executor.3/7144: [ 219.972348] #0: 000000003c9a73e6 (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 220.007556] 2 locks held by syz-executor.3/7148: [ 220.012340] 1 lock held by syz-executor.1/7130: [ 220.016992] #0: 0000000031932b75 (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 220.047555] 1 lock held by syz-executor.1/7131: [ 220.052249] 1 lock held by syz-executor.1/7143: [ 220.056901] #0: 0000000031932b75 (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 220.107567] 1 lock held by syz-executor.4/7156: [ 220.112243] #0: 00000000d2967aaf (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 220.147563] 1 lock held by syz-executor.4/7157: [ 220.152247] #0: 00000000d2967aaf (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 220.187563] 1 lock held by syz-executor.4/7167: [ 220.192246] #0: 00000000d2967aaf (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 220.217553] 2 locks held by syz-executor.4/7175: [ 220.222318] 1 lock held by syz-executor.2/7176: [ 220.226975] #0: 00000000c823a482 (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 220.277552] 2 locks held by syz-executor.2/7177: [ 220.282329] 1 lock held by syz-executor.2/7181: [ 220.286982] #0: 00000000c823a482 (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 220.317550] 1 lock held by syz-executor.0/7184: [ 220.322250] #0: 00000000512b46a3 (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 220.357549] 1 lock held by syz-executor.0/7185: [ 220.362230] #0: 00000000512b46a3 (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 220.397586] 1 lock held by syz-executor.0/7186: [ 220.402286] #0: 00000000512b46a3 (&mm->mmap_sem){++++}, at: do_exit+0x3b7/0x2d40 [ 220.437586] 4 locks held by syz-executor.0/7187: [ 220.442373] [ 220.443994] ============================================= [ 220.443994] [ 220.477577] NMI backtrace for cpu 1 [ 220.481234] CPU: 1 PID: 1035 Comm: khungtaskd Not tainted 4.19.92-syzkaller #0 [ 220.488578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 220.497927] Call Trace: [ 220.500507] dump_stack+0x123/0x177 [ 220.504130] nmi_cpu_backtrace.cold.4+0x3e/0x76 [ 220.508787] ? lapic_can_unplug_cpu.cold.29+0x3f/0x3f [ 220.513969] nmi_trigger_cpumask_backtrace+0xe6/0x11a [ 220.519152] arch_trigger_cpumask_backtrace+0x14/0x20 [ 220.524334] watchdog+0x5c3/0xb40 [ 220.527787] kthread+0x324/0x3e0 [ 220.531143] ? hungtask_pm_notify+0x40/0x40 [ 220.535454] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 220.540984] ret_from_fork+0x24/0x30 [ 220.544778] Sending NMI from CPU 1 to CPUs 0: [ 220.549497] NMI backtrace for cpu 0 [ 220.549499] CPU: 0 PID: 7187 Comm: syz-executor.0 Not tainted 4.19.92-syzkaller #0 [ 220.549501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 220.549502] RIP: 0010:__lock_acquire+0xb08/0x4980 [ 220.549505] Code: 49 8d 86 70 08 00 00 48 89 c2 48 89 84 24 80 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 7f 2e 00 00 <45> 85 c9 4d 8b ae 70 08 00 00 0f 85 0f fd ff ff 4d 85 ed 41 bb 01 [ 220.549506] RSP: 0018:ffff888075117680 EFLAGS: 00000046 [ 220.549509] RAX: dffffc0000000000 RBX: 00000000000006d8 RCX: 1ffff1100e820da1 [ 220.549510] RDX: 1ffff1100e820d96 RSI: ffff888074106ce8 RDI: ffffffff89629f20 [ 220.549512] RBP: ffff888075117870 R08: ffff888074106d08 R09: 0000000000000001 [ 220.549513] R10: ffff888074106ce8 R11: 0000000000000000 R12: 00000000000006d8 [ 220.549515] R13: 0000000000000006 R14: ffff888074106440 R15: 0000000000000004 [ 220.549516] FS: 00007fb0d4bdd700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 220.549517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 220.549519] CR2: ffffffffff600400 CR3: 0000000099253000 CR4: 00000000001406f0 [ 220.549520] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 220.549522] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 220.549523] Call Trace: [ 220.549524] ? find_held_lock+0x36/0x1d0 [ 220.549525] ? mark_held_locks+0x130/0x130 [ 220.549526] ? lockdep_hardirqs_on+0x421/0x5c0 [ 220.549527] ? _raw_spin_unlock_irq+0x27/0x80 [ 220.549528] ? trace_hardirqs_on+0x28/0x190 [ 220.549530] ? _raw_spin_unlock_irq+0x60/0x80 [ 220.549531] ? finish_task_switch+0x14a/0x720 [ 220.549532] ? finish_task_switch+0x11c/0x720 [ 220.549533] ? __lock_is_held+0xb5/0x140 [ 220.549534] ? perf_mmap+0x65b/0x1660 [ 220.549535] lock_acquire+0x173/0x3d0 [ 220.549536] ? perf_mmap+0x65b/0x1660 [ 220.549537] ? perf_mmap+0x65b/0x1660 [ 220.549538] ? perf_mmap+0x65b/0x1660 [ 220.549539] __mutex_lock+0xf5/0x1210 [ 220.549540] ? perf_mmap+0x65b/0x1660 [ 220.549542] ? perf_mmap+0x65b/0x1660 [ 220.549543] ? retint_kernel+0x2d/0x2d [ 220.549544] ? mutex_trylock+0x1e0/0x1e0 [ 220.549545] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 220.549546] ? kasan_check_write+0x14/0x20 [ 220.549548] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 220.549549] ? retint_kernel+0x2d/0x2d [ 220.549550] ? wait_for_completion+0x460/0x460 [ 220.549551] mutex_lock_nested+0x16/0x20 [ 220.549552] ? mutex_lock_nested+0x16/0x20 [ 220.549553] perf_mmap+0x65b/0x1660 [ 220.549555] ? perf_release+0x50/0x50 [ 220.549556] ? memset+0x31/0x40 [ 220.549557] mmap_region+0x9b7/0x1470 [ 220.549558] ? __x64_sys_brk+0x680/0x680 [ 220.549559] ? get_unmapped_area+0x1bd/0x330 [ 220.549560] do_mmap+0x6b5/0xea0 [ 220.549561] vm_mmap_pgoff+0x195/0x210 [ 220.549562] ? vma_is_stack_for_current+0x90/0x90 [ 220.549563] ? ksys_dup3+0x2e0/0x2e0 [ 220.549564] ? _copy_to_user+0x91/0xb0 [ 220.549566] ksys_mmap_pgoff+0x3c6/0x650 [ 220.549567] ? find_mergeable_anon_vma+0x290/0x290 [ 220.549568] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 220.549569] ? do_syscall_64+0x21/0x4e0 [ 220.549570] __x64_sys_mmap+0xe9/0x1b0 [ 220.549571] do_syscall_64+0xd0/0x4e0 [ 220.549572] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 220.549574] RIP: 0033:0x459279 [ 220.549576] Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 220.549577] RSP: 002b:00007fb0d4bdcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 220.549580] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000459279 [ 220.549581] RDX: 0000000000000000 RSI: 0000000000001000 RDI: 0000000020fff000 [ 220.549583] RBP: 000000000075c060 R08: 0000000000000003 R09: 0000000000000000 [ 220.549584] R10: 0002000000001011 R11: 0000000000000246 R12: 00007fb0d4bdd6d4 [ 220.549586] R13: 00000000004c55bd R14: 00000000004d9990 R15: 00000000ffffffff [ 220.687548] Kernel panic - not syncing: hung_task: blocked tasks [ 220.928060] CPU: 1 PID: 1035 Comm: khungtaskd Not tainted 4.19.92-syzkaller #0 [ 220.935406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 220.944747] Call Trace: [ 220.947329] dump_stack+0x123/0x177 [ 220.950951] panic+0x1cd/0x375 [ 220.954132] ? __warn_printk+0xd6/0xd6 [ 220.958019] watchdog+0x5d4/0xb40 [ 220.961467] kthread+0x324/0x3e0 [ 220.964820] ? hungtask_pm_notify+0x40/0x40 [ 220.969133] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 220.974659] ret_from_fork+0x24/0x30 [ 220.979973] Kernel Offset: disabled [ 220.983598] Rebooting in 86400 seconds..