Warning: Permanently added '10.128.0.193' (ECDSA) to the list of known hosts. 2020/04/30 09:50:49 parsed 1 programs 2020/04/30 09:50:49 executed programs: 0 [ 42.054437] audit: type=1400 audit(1588240249.207:10): avc: denied { execmem } for pid=6129 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 42.379166] IPVS: ftp: loaded support on port[0] = 21 [ 43.187608] IPVS: ftp: loaded support on port[0] = 21 [ 43.257262] chnl_net:caif_netlink_parms(): no params data found [ 43.280526] IPVS: ftp: loaded support on port[0] = 21 [ 43.346145] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.354779] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.363754] device bridge_slave_0 entered promiscuous mode [ 43.374755] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.382153] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.389564] device bridge_slave_1 entered promiscuous mode [ 43.422687] chnl_net:caif_netlink_parms(): no params data found [ 43.447353] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.465885] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.490820] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.499406] team0: Port device team_slave_0 added [ 43.511141] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.519266] team0: Port device team_slave_1 added [ 43.524836] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.533247] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.541031] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.551277] IPVS: ftp: loaded support on port[0] = 21 [ 43.551668] device bridge_slave_0 entered promiscuous mode [ 43.566569] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.573274] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.581130] device bridge_slave_1 entered promiscuous mode [ 43.587712] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.641211] device hsr_slave_0 entered promiscuous mode [ 43.678507] device hsr_slave_1 entered promiscuous mode [ 43.731932] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.740504] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.748182] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.779350] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.786608] team0: Port device team_slave_0 added [ 43.792323] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.803580] team0: Port device team_slave_1 added [ 43.809566] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.822990] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.845153] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.951321] device hsr_slave_0 entered promiscuous mode [ 43.988622] device hsr_slave_1 entered promiscuous mode [ 44.028921] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.041398] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.049124] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.055838] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.062813] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.069679] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.081571] chnl_net:caif_netlink_parms(): no params data found [ 44.091404] IPVS: ftp: loaded support on port[0] = 21 [ 44.186606] chnl_net:caif_netlink_parms(): no params data found [ 44.212380] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.219094] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.226212] device bridge_slave_0 entered promiscuous mode [ 44.236967] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.243510] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.250851] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.257583] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.273544] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.280445] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.289446] device bridge_slave_1 entered promiscuous mode [ 44.312106] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.320866] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.330152] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.337605] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.354383] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.365327] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.404888] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.412340] team0: Port device team_slave_0 added [ 44.431812] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.439166] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.446663] device bridge_slave_0 entered promiscuous mode [ 44.455104] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.468563] team0: Port device team_slave_1 added [ 44.476257] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.485656] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.494230] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.501025] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.507838] device bridge_slave_1 entered promiscuous mode [ 44.526167] IPVS: ftp: loaded support on port[0] = 21 [ 44.539918] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.560226] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.569546] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.583148] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.602747] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.650488] device hsr_slave_0 entered promiscuous mode [ 44.688297] device hsr_slave_1 entered promiscuous mode [ 44.755224] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.762852] team0: Port device team_slave_0 added [ 44.770662] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.779126] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.791786] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.797940] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.805774] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.816783] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.824057] team0: Port device team_slave_1 added [ 44.834373] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.843430] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.857025] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.875526] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.897363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.906169] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.914546] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.921676] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.932005] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.966545] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.974745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.982475] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.990367] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.996861] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.006849] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.040691] device hsr_slave_0 entered promiscuous mode [ 45.078252] device hsr_slave_1 entered promiscuous mode [ 45.131023] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.140170] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.150571] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.161398] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.168899] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 45.176063] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 45.187895] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.200067] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.209415] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.216990] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.232451] chnl_net:caif_netlink_parms(): no params data found [ 45.240768] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.250721] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.262848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.271051] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.279179] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.286299] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.293800] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.303138] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 45.313201] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.319795] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.361110] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 45.369158] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.379451] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 45.412864] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.421325] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.430595] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.437437] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.462066] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.468524] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.475379] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.483760] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.491702] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.498077] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.506839] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.515033] chnl_net:caif_netlink_parms(): no params data found [ 45.542411] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.550611] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.561343] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.569226] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.575810] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.594758] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.601683] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.609371] device bridge_slave_0 entered promiscuous mode [ 45.615772] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.622940] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.630687] device bridge_slave_1 entered promiscuous mode [ 45.638162] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.647824] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.663017] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.669731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.677318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.705407] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.726520] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.734831] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.744945] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.753130] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 45.761676] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.770935] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.817301] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.835494] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.848097] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.854336] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.863466] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.871740] device bridge_slave_0 entered promiscuous mode [ 45.879240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 45.886958] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.896137] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 45.903803] team0: Port device team_slave_0 added [ 45.910116] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 45.917174] team0: Port device team_slave_1 added [ 45.926661] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.933209] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.939659] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.946499] device bridge_slave_1 entered promiscuous mode [ 45.953526] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 45.961272] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 45.969799] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.977322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.984787] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.997345] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.005401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.015403] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.044299] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.053069] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.062796] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 46.069280] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.101882] device hsr_slave_0 entered promiscuous mode [ 46.138118] device hsr_slave_1 entered promiscuous mode [ 46.178777] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 46.186830] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.195448] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.203325] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.212751] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 46.219539] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.226390] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.234226] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 46.254877] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.262396] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.273432] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 46.280263] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.292640] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.301872] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.311454] team0: Port device team_slave_0 added [ 46.320027] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.327648] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.336553] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.343100] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.351619] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.361460] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.369695] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.376815] team0: Port device team_slave_1 added [ 46.382348] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.394685] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 46.403722] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.411081] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.418922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.427060] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.433528] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.441685] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.449880] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.458363] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.464727] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.472394] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.483299] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.503309] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.517564] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.528141] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.536971] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.545618] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.553896] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.561614] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.568012] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.610083] device hsr_slave_0 entered promiscuous mode [ 46.632158] ------------[ cut here ]------------ [ 46.637379] WARNING: CPU: 1 PID: 7020 at kernel/sched/deadline.c:593 enqueue_task_dl+0x1b7e/0x28f0 [ 46.647380] Kernel panic - not syncing: panic_on_warn set ... [ 46.647380] [ 46.654740] CPU: 1 PID: 7020 Comm: syz-executor.1 Not tainted 4.14.177-syzkaller #0 [ 46.662515] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.671936] Call Trace: [ 46.674505] dump_stack+0xf7/0x13b [ 46.678034] ? enqueue_task_dl+0x1b7e/0x28f0 [ 46.682517] panic+0x1b0/0x358 [ 46.685735] ? add_taint.cold.5+0x11/0x11 [ 46.691009] ? enqueue_task_dl+0x1b7e/0x28f0 [ 46.695426] __warn.cold.8+0x25/0x2c [ 46.699127] ? enqueue_task_dl+0x1b7e/0x28f0 [ 46.703629] report_bug+0x1a4/0x1f3 [ 46.707280] do_error_trap+0x1bd/0x310 [ 46.711172] ? math_error+0x300/0x300 [ 46.715399] ? trace_hardirqs_off+0x10/0x10 [ 46.726199] ? cpuacct_charge+0x1e5/0x370 [ 46.730331] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.735148] do_invalid_op+0x1b/0x20 [ 46.738841] invalid_op+0x1b/0x40 [ 46.742791] RIP: 0010:enqueue_task_dl+0x1b7e/0x28f0 [ 46.747894] RSP: 0018:ffff888095247cb8 EFLAGS: 00010002 [ 46.753342] RAX: 0000000000000000 RBX: ffff8880a5b18300 RCX: ffff8880a5b185cc [ 46.761127] RDX: 0000000adb76cf37 RSI: 1ffff11014b630ba RDI: 0000000000000001 [ 46.768651] RBP: ffff888095247d28 R08: ffff8880a5b185c0 R09: ffff8880aef00000 [ 46.775902] R10: ffff8880a5b1833c R11: 0000000000000001 R12: ffff8880a5b18578 [ 46.783161] R13: ffff8880aef2b500 R14: ffffffff87cb4e00 R15: ffff8880aef2b500 [ 46.790438] ? enqueue_task_dl+0x1525/0x28f0 [ 46.794824] __sched_setscheduler+0xd97/0x25f0 [ 46.799392] ? __might_fault+0xf1/0x1b0 [ 46.803349] ? set_user_nice+0x80/0x80 [ 46.807225] SyS_sched_setattr+0x22f/0x360 [ 46.811520] ? SyS_sched_setparam+0x20/0x20 [ 46.815909] ? SyS_clock_gettime+0x115/0x160 [ 46.820292] ? do_syscall_64+0x4c/0x5b0 [ 46.824258] ? SyS_sched_setparam+0x20/0x20 [ 46.830219] do_syscall_64+0x1c7/0x5b0 [ 46.834084] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.838918] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.844185] RIP: 0033:0x459819 [ 46.847347] RSP: 002b:00007f308200ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000013a [ 46.855025] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459819 [ 46.862278] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000 [ 46.869524] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 46.876768] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f308200b6d4 [ 46.884013] R13: 00000000004c6d52 R14: 00000000004dc010 R15: 00000000ffffffff [ 46.891288] [ 46.891290] ====================================================== [ 46.891291] WARNING: possible circular locking dependency detected [ 46.891291] 4.14.177-syzkaller #0 Not tainted [ 46.891292] ------------------------------------------------------ [ 46.891293] syz-executor.1/7020 is trying to acquire lock: [ 46.891294] ((console_sem).lock){-...}, at: [] down_trylock+0x13/0x70 [ 46.891296] [ 46.891297] but task is already holding lock: [ 46.891298] (&rq->lock){-.-.}, at: [] task_rq_lock+0xc5/0x2c0 [ 46.891300] [ 46.891301] which lock already depends on the new lock. [ 46.891301] [ 46.891302] [ 46.891303] the existing dependency chain (in reverse order) is: [ 46.891303] [ 46.891303] -> #2 (&rq->lock){-.-.}: [ 46.891306] lock_acquire+0x173/0x400 [ 46.891306] _raw_spin_lock+0x2d/0x40 [ 46.891307] task_fork_fair+0x62/0x5b0 [ 46.891308] sched_fork+0x3a6/0xbd0 [ 46.891309] copy_process.part.37+0x1656/0x66c0 [ 46.891309] _do_fork+0x155/0xbb0 [ 46.891310] kernel_thread+0x24/0x30 [ 46.891310] rest_init+0x1d/0x199 [ 46.891311] start_kernel+0x61d/0x642 [ 46.891312] x86_64_start_reservations+0x29/0x2b [ 46.891313] x86_64_start_kernel+0x76/0x79 [ 46.891313] secondary_startup_64+0xa5/0xb0 [ 46.891314] [ 46.891314] -> #1 (&p->pi_lock){-.-.}: [ 46.891317] lock_acquire+0x173/0x400 [ 46.891317] _raw_spin_lock_irqsave+0x99/0xd0 [ 46.891318] try_to_wake_up+0x82/0xf80 [ 46.891319] wake_up_process+0x10/0x20 [ 46.891319] __up.isra.1+0x136/0x1a0 [ 46.891320] up+0x95/0xe0 [ 46.891321] __up_console_sem+0xa0/0x150 [ 46.891321] console_unlock+0x569/0xe30 [ 46.891322] vt_ioctl+0x1ddb/0x21f0 [ 46.891323] tty_ioctl+0x434/0x1260 [ 46.891323] do_vfs_ioctl+0x180/0xfb0 [ 46.891324] SyS_ioctl+0x74/0x80 [ 46.891325] do_syscall_64+0x1c7/0x5b0 [ 46.891325] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.891326] [ 46.891326] -> #0 ((console_sem).lock){-...}: [ 46.891329] __lock_acquire+0x2e94/0x4500 [ 46.891329] lock_acquire+0x173/0x400 [ 46.891330] _raw_spin_lock_irqsave+0x99/0xd0 [ 46.891331] down_trylock+0x13/0x70 [ 46.891331] __down_trylock_console_sem+0x93/0x190 [ 46.891332] console_trylock+0x11/0x50 [ 46.891333] vprintk_emit+0x1ab/0x4e0 [ 46.891333] vprintk_default+0x1a/0x20 [ 46.891334] vprintk_func+0x49/0x12c [ 46.891335] printk+0x91/0xab [ 46.891335] __warn+0x34/0x180 [ 46.891336] report_bug+0x1a4/0x1f3 [ 46.891337] do_error_trap+0x1bd/0x310 [ 46.891337] do_invalid_op+0x1b/0x20 [ 46.891338] invalid_op+0x1b/0x40 [ 46.891338] enqueue_task_dl+0x1b7e/0x28f0 [ 46.891339] __sched_setscheduler+0xd97/0x25f0 [ 46.891340] SyS_sched_setattr+0x22f/0x360 [ 46.891341] do_syscall_64+0x1c7/0x5b0 [ 46.891341] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.891342] [ 46.891343] other info that might help us debug this: [ 46.891343] [ 46.891344] Chain exists of: [ 46.891344] (console_sem).lock --> &p->pi_lock --> &rq->lock [ 46.891347] [ 46.891348] Possible unsafe locking scenario: [ 46.891348] [ 46.891349] CPU0 CPU1 [ 46.891350] ---- ---- [ 46.891350] lock(&rq->lock); [ 46.891352] lock(&p->pi_lock); [ 46.891353] lock(&rq->lock); [ 46.891355] lock((console_sem).lock); [ 46.891356] [ 46.891357] *** DEADLOCK *** [ 46.891357] [ 46.891358] 3 locks held by syz-executor.1/7020: [ 46.891358] #0: (rcu_read_lock){....}, at: [] SyS_sched_setattr+0x1be/0x360 [ 46.891361] #1: (&p->pi_lock){-.-.}, at: [] task_rq_lock+0x62/0x2c0 [ 46.891363] #2: (&rq->lock){-.-.}, at: [] task_rq_lock+0xc5/0x2c0 [ 46.891366] [ 46.891366] stack backtrace: [ 46.891367] CPU: 1 PID: 7020 Comm: syz-executor.1 Not tainted 4.14.177-syzkaller #0 [ 46.891368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.891369] Call Trace: [ 46.891370] dump_stack+0xf7/0x13b [ 46.891370] print_circular_bug.isra.40.cold.67+0x1bd/0x27d [ 46.891371] ? save_trace+0xe0/0x290 [ 46.891372] __lock_acquire+0x2e94/0x4500 [ 46.891372] ? add_lock_to_list.isra.32+0x193/0x340 [ 46.891373] ? trace_hardirqs_on+0x10/0x10 [ 46.891374] ? trace_hardirqs_off+0x10/0x10 [ 46.891374] ? kvm_clock_read+0x23/0x40 [ 46.891375] lock_acquire+0x173/0x400 [ 46.891376] ? down_trylock+0x13/0x70 [ 46.891376] ? vprintk_emit+0x1ab/0x4e0 [ 46.891377] _raw_spin_lock_irqsave+0x99/0xd0 [ 46.891378] ? down_trylock+0x13/0x70 [ 46.891378] down_trylock+0x13/0x70 [ 46.891379] ? vprintk_emit+0x1ab/0x4e0 [ 46.891379] __down_trylock_console_sem+0x93/0x190 [ 46.891380] console_trylock+0x11/0x50 [ 46.891381] vprintk_emit+0x1ab/0x4e0 [ 46.891381] ? enqueue_task_dl+0x1b7e/0x28f0 [ 46.891382] vprintk_default+0x1a/0x20 [ 46.891383] vprintk_func+0x49/0x12c [ 46.891383] printk+0x91/0xab [ 46.891384] ? show_regs_print_info+0x5d/0x5d [ 46.891385] ? enqueue_task_dl+0x1b7e/0x28f0 [ 46.891385] ? enqueue_task_dl+0x1b7e/0x28f0 [ 46.891386] ? enqueue_task_dl+0x1b7e/0x28f0 [ 46.891387] __warn+0x34/0x180 [ 46.891387] ? enqueue_task_dl+0x1b7e/0x28f0 [ 46.891388] report_bug+0x1a4/0x1f3 [ 46.891389] do_error_trap+0x1bd/0x310 [ 46.891389] ? math_error+0x300/0x300 [ 46.891390] ? trace_hardirqs_off+0x10/0x10 [ 46.891390] ? cpuacct_charge+0x1e5/0x370 [ 46.891391] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.891392] do_invalid_op+0x1b/0x20 [ 46.891392] invalid_op+0x1b/0x40 [ 46.891393] RIP: 0010:enqueue_task_dl+0x1b7e/0x28f0 [ 46.891394] RSP: 0018:ffff888095247cb8 EFLAGS: 00010002 [ 46.891395] RAX: 0000000000000000 RBX: ffff8880a5b18300 RCX: ffff8880a5b185cc [ 46.891396] RDX: 0000000adb76cf37 RSI: 1ffff11014b630ba RDI: 0000000000000001 [ 46.891397] RBP: ffff888095247d28 R08: ffff8880a5b185c0 R09: ffff8880aef00000 [ 46.891398] R10: ffff8880a5b1833c R11: 0000000000000001 R12: ffff8880a5b18578 [ 46.891399] R13: ffff8880aef2b500 R14: ffffffff87cb4e00 R15: ffff8880aef2b500 [ 46.891399] ? enqueue_task_dl+0x1525/0x28f0 [ 46.891400] __sched_setscheduler+0xd97/0x25f0 [ 46.891401] ? __might_fault+0xf1/0x1b0 [ 46.891401] ? set_user_nice+0x80/0x80 [ 46.891402] SyS_sched_setattr+0x22f/0x360 [ 46.891403] ? SyS_sched_setparam+0x20/0x20 [ 46.891403] ? SyS_clock_gettime+0x115/0x160 [ 46.891404] ? do_syscall_64+0x4c/0x5b0 [ 46.891405] ? SyS_sched_setparam+0x20/0x20 [ 46.891405] do_syscall_64+0x1c7/0x5b0 [ 46.891406] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.891407] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.891407] RIP: 0033:0x459819 [ 46.891408] RSP: 002b:00007f308200ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000013a [ 46.891410] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459819 [ 46.891411] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000 [ 46.891411] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 46.891412] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f308200b6d4 [ 46.891413] R13: 00000000004c6d52 R14: 00000000004dc010 R15: 00000000ffffffff [ 46.892243] Kernel Offset: disabled [ 47.593915] Rebooting in 86400 seconds..