[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 33.341061] audit: type=1400 audit(1590833645.949:8): avc: denied { execmem } for pid=5981 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 33.664088] IPVS: ftp: loaded support on port[0] = 21 [ 34.801535] can: request_module (can-proto-0) failed. [ 34.809944] can: request_module (can-proto-0) failed. [ 34.835310] audit: type=1400 audit(1590833647.450:9): avc: denied { create } for pid=5958 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.15.209' (ECDSA) to the list of known hosts. 2020/05/30 10:14:15 parsed 1 programs 2020/05/30 10:14:15 executed programs: 0 [ 43.118172] audit: type=1400 audit(1590833655.724:10): avc: denied { execmem } for pid=6094 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 43.389426] IPVS: ftp: loaded support on port[0] = 21 [ 44.186848] IPVS: ftp: loaded support on port[0] = 21 [ 44.228067] chnl_net:caif_netlink_parms(): no params data found [ 44.275348] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.282469] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.290503] device bridge_slave_0 entered promiscuous mode [ 44.300944] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.307289] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.314803] device bridge_slave_1 entered promiscuous mode [ 44.333667] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.342630] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.351874] IPVS: ftp: loaded support on port[0] = 21 [ 44.397914] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.407011] team0: Port device team_slave_0 added [ 44.412562] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.419651] team0: Port device team_slave_1 added [ 44.429501] chnl_net:caif_netlink_parms(): no params data found [ 44.437844] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.449659] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.500377] device hsr_slave_0 entered promiscuous mode [ 44.538747] device hsr_slave_1 entered promiscuous mode [ 44.578897] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.597798] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.604937] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.612403] device bridge_slave_0 entered promiscuous mode [ 44.619200] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.625873] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.632457] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.640917] device bridge_slave_1 entered promiscuous mode [ 44.663495] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.672316] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.691411] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.698888] team0: Port device team_slave_0 added [ 44.704285] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.712513] team0: Port device team_slave_1 added [ 44.723838] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.730261] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.737119] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.743516] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.752547] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.760308] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.820320] IPVS: ftp: loaded support on port[0] = 21 [ 44.821460] device hsr_slave_0 entered promiscuous mode [ 44.878398] device hsr_slave_1 entered promiscuous mode [ 44.953411] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.962327] chnl_net:caif_netlink_parms(): no params data found [ 44.971224] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 45.014141] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.020527] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.027110] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.033549] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.051641] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 45.057836] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.083250] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.090032] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.096875] device bridge_slave_0 entered promiscuous mode [ 45.105151] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.114392] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.121157] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.128919] device bridge_slave_1 entered promiscuous mode [ 45.128972] IPVS: ftp: loaded support on port[0] = 21 [ 45.145830] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.156551] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.203796] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 45.211175] team0: Port device team_slave_0 added [ 45.217544] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 45.224859] team0: Port device team_slave_1 added [ 45.230810] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.240641] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.247696] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.254858] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 45.262896] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.269688] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.287013] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.309991] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.316068] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.323406] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 45.342875] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.353301] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 45.367534] chnl_net:caif_netlink_parms(): no params data found [ 45.380625] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.393511] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.401717] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.409517] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.415896] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.424183] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.447200] IPVS: ftp: loaded support on port[0] = 21 [ 45.454307] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.462948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.471866] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.480760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.488894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.496635] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.503023] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.511605] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.517657] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.537626] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.600386] device hsr_slave_0 entered promiscuous mode [ 45.658228] device hsr_slave_1 entered promiscuous mode [ 45.698249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.706857] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.720344] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.727365] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.733779] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.740942] device bridge_slave_0 entered promiscuous mode [ 45.749835] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 45.756511] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.763851] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.771460] device bridge_slave_1 entered promiscuous mode [ 45.777595] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.785731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.793816] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.802012] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.808389] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.826317] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 45.840846] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.850775] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.858533] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.866100] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.874089] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.889457] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.898422] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.920046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.928180] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.935689] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.942059] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.989400] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 45.996426] team0: Port device team_slave_0 added [ 46.007965] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.015764] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.026379] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.034908] chnl_net:caif_netlink_parms(): no params data found [ 46.044722] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.052884] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.061336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.069109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.076459] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.091224] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.098291] team0: Port device team_slave_1 added [ 46.103604] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.111872] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.121657] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.134024] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.146122] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.154208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.162234] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.169747] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.177060] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.184469] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.192085] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.201073] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.213269] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 46.219696] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.231465] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.239465] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.259543] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.273067] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.300456] device hsr_slave_0 entered promiscuous mode [ 46.328030] device hsr_slave_1 entered promiscuous mode [ 46.378320] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 46.385427] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.392964] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.401942] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.419723] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.426114] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.434094] device bridge_slave_0 entered promiscuous mode [ 46.442638] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 46.452680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.460534] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.469402] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 46.475385] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.484247] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.490861] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.497665] device bridge_slave_1 entered promiscuous mode [ 46.516954] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.529204] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 46.541393] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 46.549299] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.563987] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.573268] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.591712] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.629632] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.687959] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.714242] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.721597] team0: Port device team_slave_0 added [ 46.727011] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.735067] team0: Port device team_slave_1 added [ 46.743706] chnl_net:caif_netlink_parms(): no params data found [ 46.759746] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.766907] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.774455] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.784889] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.798534] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.812532] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 46.818967] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.825402] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.833962] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.850871] sched: DL replenish lagged too much [ 46.870251] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.894857] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.903617] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.911045] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.918645] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.926287] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.934331] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.940705] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.947720] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.991142] device hsr_slave_0 entered promiscuous mode [ 47.027832] device hsr_slave_1 entered promiscuous mode [ 47.078290] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.084831] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.092377] device bridge_slave_0 entered promiscuous mode [ 47.099269] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.105641] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.113078] device bridge_slave_1 entered promiscuous mode [ 47.130473] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.138756] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.147344] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 47.154191] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.162781] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 47.171398] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.179845] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.189602] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.197117] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.203490] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.212868] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.221881] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 47.241243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.249072] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.256677] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.263055] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.271922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.281976] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.289795] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 47.298759] team0: Port device team_slave_0 added [ 47.304555] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.312642] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.320810] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.328606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.336101] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.342470] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.350728] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 47.358121] team0: Port device team_slave_1 added [ 47.363437] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.372116] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.379850] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.390115] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 47.398836] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.406918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.415039] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.435281] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.443184] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.452828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.462196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.470221] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.477981] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.552426] device hsr_slave_0 entered promiscuous mode [ 47.584348] ------------[ cut here ]------------ [ 47.589432] WARNING: CPU: 0 PID: 6994 at kernel/sched/deadline.c:593 enqueue_task_dl+0x1b7e/0x28f0 [ 47.598545] Kernel panic - not syncing: panic_on_warn set ... [ 47.598545] [ 47.605894] CPU: 0 PID: 6994 Comm: syz-executor.2 Not tainted 4.14.182-syzkaller #0 [ 47.613655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.623000] Call Trace: [ 47.625560] dump_stack+0xf7/0x13b [ 47.629074] ? enqueue_task_dl+0x1b7e/0x28f0 [ 47.633500] panic+0x1b0/0x358 [ 47.636661] ? add_taint.cold.5+0x11/0x11 [ 47.640779] ? enqueue_task_dl+0x1b7e/0x28f0 [ 47.645156] __warn.cold.8+0x25/0x2c [ 47.648850] ? enqueue_task_dl+0x1b7e/0x28f0 [ 47.653228] report_bug+0x1a4/0x1f3 [ 47.656836] do_error_trap+0x1bd/0x310 [ 47.660693] ? math_error+0x300/0x300 [ 47.664463] ? trace_hardirqs_off+0x10/0x10 [ 47.668754] ? cpuacct_charge+0x1e5/0x370 [ 47.672871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.677681] do_invalid_op+0x1b/0x20 [ 47.681363] invalid_op+0x1b/0x40 [ 47.684786] RIP: 0010:enqueue_task_dl+0x1b7e/0x28f0 [ 47.689768] RSP: 0018:ffff888093a57cb8 EFLAGS: 00010002 [ 47.695100] RAX: 0000000000000000 RBX: ffff888093542280 RCX: ffff88809354254c [ 47.702348] RDX: 0000000b1437d718 RSI: 1ffff110126a84aa RDI: 0000000000000001 [ 47.709597] RBP: ffff888093a57d28 R08: ffff888093542540 R09: ffff8880aee00000 [ 47.716835] R10: ffff8880935422bc R11: 0000000000000001 R12: ffff8880935424f8 [ 47.724085] R13: ffff8880aee2b500 R14: ffffffff87cb5480 R15: ffff8880aee2b500 [ 47.731332] ? enqueue_task_dl+0x1525/0x28f0 [ 47.735709] __sched_setscheduler+0xd97/0x25f0 [ 47.740275] ? __might_fault+0xf1/0x1b0 [ 47.744230] ? set_user_nice+0x80/0x80 [ 47.748086] SyS_sched_setattr+0x22f/0x360 [ 47.752291] ? SyS_sched_setparam+0x20/0x20 [ 47.756580] ? SyS_clock_gettime+0x115/0x160 [ 47.760968] ? do_syscall_64+0x4c/0x5b0 [ 47.764921] ? SyS_sched_setparam+0x20/0x20 [ 47.769209] do_syscall_64+0x1c7/0x5b0 [ 47.773063] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.777874] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.783030] RIP: 0033:0x459819 [ 47.786202] RSP: 002b:00007ff2d97f5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000013a [ 47.793878] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459819 [ 47.801227] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000 [ 47.808465] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 47.815703] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff2d97f66d4 [ 47.822944] R13: 00000000004c6d52 R14: 00000000004dc010 R15: 00000000ffffffff [ 47.830187] [ 47.830188] ====================================================== [ 47.830189] WARNING: possible circular locking dependency detected [ 47.830190] 4.14.182-syzkaller #0 Not tainted [ 47.830191] ------------------------------------------------------ [ 47.830191] syz-executor.2/6994 is trying to acquire lock: [ 47.830192] ((console_sem).lock){-...}, at: [] down_trylock+0x13/0x70 [ 47.830194] [ 47.830195] but task is already holding lock: [ 47.830195] (&rq->lock){-.-.}, at: [] task_rq_lock+0xc5/0x2c0 [ 47.830198] [ 47.830198] which lock already depends on the new lock. [ 47.830199] [ 47.830199] [ 47.830200] the existing dependency chain (in reverse order) is: [ 47.830201] [ 47.830201] -> #2 (&rq->lock){-.-.}: [ 47.830204] lock_acquire+0x173/0x400 [ 47.830204] _raw_spin_lock+0x2d/0x40 [ 47.830205] task_fork_fair+0x62/0x5b0 [ 47.830205] sched_fork+0x3a6/0xbd0 [ 47.830206] copy_process.part.37+0x1656/0x66c0 [ 47.830207] _do_fork+0x155/0xbb0 [ 47.830208] kernel_thread+0x24/0x30 [ 47.830208] rest_init+0x1d/0x199 [ 47.830209] start_kernel+0x61d/0x645 [ 47.830209] x86_64_start_reservations+0x29/0x2b [ 47.830210] x86_64_start_kernel+0x76/0x79 [ 47.830211] secondary_startup_64+0xa5/0xb0 [ 47.830211] [ 47.830212] -> #1 (&p->pi_lock){-.-.}: [ 47.830214] lock_acquire+0x173/0x400 [ 47.830215] _raw_spin_lock_irqsave+0x99/0xd0 [ 47.830215] try_to_wake_up+0x82/0xf80 [ 47.830216] wake_up_process+0x10/0x20 [ 47.830217] __up.isra.1+0x136/0x1a0 [ 47.830217] up+0x95/0xe0 [ 47.830218] __up_console_sem+0xa0/0x150 [ 47.830219] console_unlock+0x569/0xe30 [ 47.830219] vprintk_emit+0x1b4/0x4e0 [ 47.830220] vprintk_default+0x1a/0x20 [ 47.830221] vprintk_func+0x49/0x12c [ 47.830221] printk+0x91/0xab [ 47.830222] kauditd_hold_skb.cold.24+0x3a/0x49 [ 47.830223] kauditd_send_queue+0xea/0x100 [ 47.830223] kauditd_thread+0x4df/0x6a0 [ 47.830224] kthread+0x338/0x400 [ 47.830225] ret_from_fork+0x24/0x30 [ 47.830225] [ 47.830225] -> #0 ((console_sem).lock){-...}: [ 47.830228] __lock_acquire+0x2e94/0x4500 [ 47.830228] lock_acquire+0x173/0x400 [ 47.830229] _raw_spin_lock_irqsave+0x99/0xd0 [ 47.830230] down_trylock+0x13/0x70 [ 47.830230] __down_trylock_console_sem+0x93/0x190 [ 47.830231] console_trylock+0x11/0x50 [ 47.830232] vprintk_emit+0x1ab/0x4e0 [ 47.830232] vprintk_default+0x1a/0x20 [ 47.830233] vprintk_func+0x49/0x12c [ 47.830234] printk+0x91/0xab [ 47.830235] __warn+0x34/0x180 [ 47.830236] report_bug+0x1a4/0x1f3 [ 47.830237] do_error_trap+0x1bd/0x310 [ 47.830237] do_invalid_op+0x1b/0x20 [ 47.830238] invalid_op+0x1b/0x40 [ 47.830239] enqueue_task_dl+0x1b7e/0x28f0 [ 47.830239] __sched_setscheduler+0xd97/0x25f0 [ 47.830240] SyS_sched_setattr+0x22f/0x360 [ 47.830241] do_syscall_64+0x1c7/0x5b0 [ 47.830242] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.830242] [ 47.830243] other info that might help us debug this: [ 47.830244] [ 47.830244] Chain exists of: [ 47.830245] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 47.830248] [ 47.830248] Possible unsafe locking scenario: [ 47.830249] [ 47.830249] CPU0 CPU1 [ 47.830250] ---- ---- [ 47.830251] lock(&rq->lock); [ 47.830252] lock(&p->pi_lock); [ 47.830254] lock(&rq->lock); [ 47.830255] lock((console_sem).lock); [ 47.830256] [ 47.830257] *** DEADLOCK *** [ 47.830257] [ 47.830258] 3 locks held by syz-executor.2/6994: [ 47.830259] #0: (rcu_read_lock){....}, at: [] SyS_sched_setattr+0x1be/0x360 [ 47.830261] #1: (&p->pi_lock){-.-.}, at: [] task_rq_lock+0x62/0x2c0 [ 47.830263] #2: (&rq->lock){-.-.}, at: [] task_rq_lock+0xc5/0x2c0 [ 47.830266] [ 47.830266] stack backtrace: [ 47.830267] CPU: 0 PID: 6994 Comm: syz-executor.2 Not tainted 4.14.182-syzkaller #0 [ 47.830269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.830269] Call Trace: [ 47.830270] dump_stack+0xf7/0x13b [ 47.830270] print_circular_bug.isra.40.cold.67+0x1bd/0x27d [ 47.830271] ? save_trace+0xe0/0x290 [ 47.830272] __lock_acquire+0x2e94/0x4500 [ 47.830272] ? trace_hardirqs_on+0x10/0x10 [ 47.830273] ? trace_hardirqs_off+0x10/0x10 [ 47.830274] ? kvm_clock_read+0x23/0x40 [ 47.830274] lock_acquire+0x173/0x400 [ 47.830275] ? down_trylock+0x13/0x70 [ 47.830276] ? vprintk_emit+0x1ab/0x4e0 [ 47.830276] _raw_spin_lock_irqsave+0x99/0xd0 [ 47.830277] ? down_trylock+0x13/0x70 [ 47.830278] down_trylock+0x13/0x70 [ 47.830278] ? vprintk_emit+0x1ab/0x4e0 [ 47.830279] __down_trylock_console_sem+0x93/0x190 [ 47.830279] console_trylock+0x11/0x50 [ 47.830280] vprintk_emit+0x1ab/0x4e0 [ 47.830281] ? enqueue_task_dl+0x1b7e/0x28f0 [ 47.830281] vprintk_default+0x1a/0x20 [ 47.830282] vprintk_func+0x49/0x12c [ 47.830283] printk+0x91/0xab [ 47.830283] ? show_regs_print_info+0x5d/0x5d [ 47.830284] ? enqueue_task_dl+0x1b7e/0x28f0 [ 47.830285] ? enqueue_task_dl+0x1b7e/0x28f0 [ 47.830285] ? enqueue_task_dl+0x1b7e/0x28f0 [ 47.830286] __warn+0x34/0x180 [ 47.830287] ? enqueue_task_dl+0x1b7e/0x28f0 [ 47.830287] report_bug+0x1a4/0x1f3 [ 47.830288] do_error_trap+0x1bd/0x310 [ 47.830288] ? math_error+0x300/0x300 [ 47.830289] ? trace_hardirqs_off+0x10/0x10 [ 47.830290] ? cpuacct_charge+0x1e5/0x370 [ 47.830290] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.830291] do_invalid_op+0x1b/0x20 [ 47.830292] invalid_op+0x1b/0x40 [ 47.830292] RIP: 0010:enqueue_task_dl+0x1b7e/0x28f0 [ 47.830293] RSP: 0018:ffff888093a57cb8 EFLAGS: 00010002 [ 47.830295] RAX: 0000000000000000 RBX: ffff888093542280 RCX: ffff88809354254c [ 47.830296] RDX: 0000000b1437d718 RSI: 1ffff110126a84aa RDI: 0000000000000001 [ 47.830296] RBP: ffff888093a57d28 R08: ffff888093542540 R09: ffff8880aee00000 [ 47.830297] R10: ffff8880935422bc R11: 0000000000000001 R12: ffff8880935424f8 [ 47.830298] R13: ffff8880aee2b500 R14: ffffffff87cb5480 R15: ffff8880aee2b500 [ 47.830299] ? enqueue_task_dl+0x1525/0x28f0 [ 47.830299] __sched_setscheduler+0xd97/0x25f0 [ 47.830300] ? __might_fault+0xf1/0x1b0 [ 47.830301] ? set_user_nice+0x80/0x80 [ 47.830301] SyS_sched_setattr+0x22f/0x360 [ 47.830302] ? SyS_sched_setparam+0x20/0x20 [ 47.830307] ? SyS_clock_gettime+0x115/0x160 [ 47.830308] ? do_syscall_64+0x4c/0x5b0 [ 47.830309] ? SyS_sched_setparam+0x20/0x20 [ 47.830310] do_syscall_64+0x1c7/0x5b0 [ 47.830311] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.830311] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.830312] RIP: 0033:0x459819 [ 47.830313] RSP: 002b:00007ff2d97f5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000013a [ 47.830314] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459819 [ 47.830315] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000 [ 47.830316] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 47.830317] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff2d97f66d4 [ 47.830318] R13: 00000000004c6d52 R14: 00000000004dc010 R15: 00000000ffffffff [ 48.919831] Shutting down cpus with NMI [ 49.630421] Kernel Offset: disabled [ 49.634029] Rebooting in 86400 seconds..