Warning: Permanently added '10.128.15.214' (ECDSA) to the list of known hosts. 2019/03/24 16:50:19 parsed 1 programs 2019/03/24 16:50:20 executed programs: 0 [ 56.997606] IPVS: ftp: loaded support on port[0] = 21 [ 57.035477] IPVS: ftp: loaded support on port[0] = 21 [ 57.079938] IPVS: ftp: loaded support on port[0] = 21 [ 57.129453] IPVS: ftp: loaded support on port[0] = 21 [ 57.182295] IPVS: ftp: loaded support on port[0] = 21 [ 57.241111] IPVS: ftp: loaded support on port[0] = 21 [ 57.770489] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.778853] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.786764] device bridge_slave_0 entered promiscuous mode [ 57.825733] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.836678] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.845379] device bridge_slave_1 entered promiscuous mode [ 57.914569] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 57.965359] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 57.979734] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.987862] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.995889] device bridge_slave_0 entered promiscuous mode [ 58.052291] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.060329] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.076601] device bridge_slave_1 entered promiscuous mode [ 58.140878] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.147305] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.160758] device bridge_slave_0 entered promiscuous mode [ 58.177889] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.189357] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.196680] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.204127] device bridge_slave_0 entered promiscuous mode [ 58.212117] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.221920] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.228273] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.237999] device bridge_slave_1 entered promiscuous mode [ 58.244672] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.251347] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.258581] device bridge_slave_0 entered promiscuous mode [ 58.268248] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.275484] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.283002] device bridge_slave_1 entered promiscuous mode [ 58.296981] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.308333] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.318516] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.326550] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.342126] device bridge_slave_1 entered promiscuous mode [ 58.349504] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.358613] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.370234] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.377527] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.387653] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.395877] device bridge_slave_0 entered promiscuous mode [ 58.411722] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.429445] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.464456] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.470933] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.478006] device bridge_slave_1 entered promiscuous mode [ 58.485791] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.517112] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.533840] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.553359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.565334] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.583565] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.598054] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.616743] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.667513] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.685812] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.698345] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.712648] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.724810] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 58.740887] team0: Port device team_slave_0 added [ 58.747468] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.759565] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.771175] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.782456] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.790741] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.799829] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 58.816535] team0: Port device team_slave_1 added [ 58.826588] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.837811] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.848153] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.860470] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.870089] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.877750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.897912] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.966628] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.036418] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 59.057441] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.067337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.083886] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 59.092027] team0: Port device team_slave_0 added [ 59.098969] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 59.107537] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 59.118118] team0: Port device team_slave_0 added [ 59.126642] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 59.137183] team0: Port device team_slave_0 added [ 59.143492] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.155578] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.163822] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 59.170971] team0: Port device team_slave_0 added [ 59.178548] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 59.187470] team0: Port device team_slave_1 added [ 59.195120] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 59.202594] team0: Port device team_slave_1 added [ 59.211370] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 59.218606] team0: Port device team_slave_0 added [ 59.227342] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 59.244018] team0: Port device team_slave_1 added [ 59.251283] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 59.258538] team0: Port device team_slave_1 added [ 59.277872] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.291418] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.305045] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 59.312952] team0: Port device team_slave_1 added [ 59.332778] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.344806] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.365738] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.385747] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.394203] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.402739] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.414468] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 59.425471] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 59.438489] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 59.451421] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.460956] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.468866] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.476955] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.484905] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.492894] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.500976] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.509000] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 59.519353] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 59.527991] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 59.538415] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 59.549070] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.563861] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.573692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.581556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.589137] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.596882] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.604628] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.612456] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.623093] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 59.632255] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 59.653863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.661782] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.679398] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.687786] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.698076] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 59.717975] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.730471] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.765561] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 59.772783] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.782338] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.943274] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.949774] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.956702] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.963094] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.974499] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 60.139857] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.146283] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.152938] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.159295] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.168562] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 60.243752] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.250152] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.256768] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.263162] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.277434] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 60.296507] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.302901] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.309528] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.315927] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.329634] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 60.394750] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.401151] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.407754] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.414136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.425781] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 60.441253] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.447623] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.454295] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.460700] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.470822] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 60.510291] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.525420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.537211] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.545216] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.552241] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.559183] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.976575] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.089423] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.154703] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.285426] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.294306] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.304293] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.370711] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.376932] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.384702] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.482955] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.492775] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.506986] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.523045] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.531164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.572663] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.589205] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.603806] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.669268] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.675833] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.683620] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.699756] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.752995] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.803326] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.813289] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.820167] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.827070] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.848543] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.971100] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.980781] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.990941] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.006827] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 63.019773] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.029880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.040821] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.181923] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.214613] 8021q: adding VLAN 0 to HW filter on device team0 2019/03/24 16:50:27 executed programs: 6 2019/03/24 16:50:32 executed programs: 174 2019/03/24 16:50:37 executed programs: 356 2019/03/24 16:50:42 executed programs: 548 2019/03/24 16:50:47 executed programs: 726 2019/03/24 16:50:52 executed programs: 906 2019/03/24 16:50:57 executed programs: 1096 2019/03/24 16:51:02 executed programs: 1285 2019/03/24 16:51:07 executed programs: 1474 2019/03/24 16:51:12 executed programs: 1659 2019/03/24 16:51:17 executed programs: 1838 2019/03/24 16:51:22 executed programs: 2022 2019/03/24 16:51:27 executed programs: 2198 2019/03/24 16:51:32 executed programs: 2386 2019/03/24 16:51:37 executed programs: 2569 2019/03/24 16:51:42 executed programs: 2760 2019/03/24 16:51:47 executed programs: 2946 2019/03/24 16:51:52 executed programs: 3125 2019/03/24 16:51:57 executed programs: 3305 2019/03/24 16:52:02 executed programs: 3470 [ 162.140868] syz-executor4 (21001) used greatest stack depth: 13064 bytes left [ 162.731320] syz-executor0 (21051) used greatest stack depth: 13000 bytes left [ 163.200770] syz-executor3 (21086) used greatest stack depth: 12952 bytes left 2019/03/24 16:52:08 executed programs: 3581 [ 166.758121] blkid (21214) used greatest stack depth: 11288 bytes left [ 166.764809] blkid (21213) used greatest stack depth: 9992 bytes left [ 166.771380] blkid (21212) used greatest stack depth: 7112 bytes left 2019/03/24 16:52:14 executed programs: 3596 [ 171.213288] kworker/0:0 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 171.238193] kworker/0:0 cpuset=/ mems_allowed=0 [ 171.243674] CPU: 0 PID: 3 Comm: kworker/0:0 Not tainted 4.16.0-rc7+ #1 [ 171.250364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 171.259727] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func [ 171.266203] Call Trace: [ 171.268777] dump_stack+0x153/0x201 [ 171.272390] ? arch_local_irq_restore+0x43/0x43 [ 171.277051] dump_header+0x281/0xddc [ 171.280757] ? debug_check_no_locks_freed+0x310/0x310 [ 171.285931] ? oom_reaper.cold.28+0x28/0x28 [ 171.290240] ? print_usage_bug+0xc0/0xc0 [ 171.294299] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 171.299303] ? debug_check_no_locks_freed+0x310/0x310 [ 171.304512] ? print_usage_bug+0xc0/0xc0 [ 171.308561] ? ___ratelimit+0x2dd/0x648 [ 171.312518] ? lock_downgrade+0x900/0x900 [ 171.316652] ? lock_release+0x9b0/0x9b0 [ 171.320612] ? mark_held_locks+0xc7/0x130 [ 171.324757] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 171.329842] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 171.334845] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 171.339930] ? ___ratelimit+0x2dd/0x648 [ 171.343890] ? idr_get_free+0x1550/0x1550 [ 171.348060] ? find_held_lock+0x13f/0x1c0 [ 171.352214] oom_kill_process.cold.29+0xb/0x1013 [ 171.356957] ? has_ns_capability_noaudit+0x147/0x250 [ 171.362045] ? lock_downgrade+0x900/0x900 [ 171.366184] ? oom_evaluate_task+0x450/0x450 [ 171.370579] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 171.375146] ? debug_smp_processor_id+0x17/0x20 [ 171.379797] ? rcu_is_watching+0x69/0x180 [ 171.383928] ? __lock_is_held+0xb5/0x140 [ 171.387974] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 171.392552] ? has_ns_capability_noaudit+0x164/0x250 [ 171.397638] ? has_capability+0x20/0x20 [ 171.401598] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 171.406163] ? oom_unkillable_task+0x2e4/0x480 [ 171.410737] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 171.415752] ? has_capability_noaudit+0x12/0x20 [ 171.420405] ? oom_badness+0x5de/0x930 [ 171.424272] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 171.428842] ? find_lock_task_mm+0x430/0x430 [ 171.433239] ? find_held_lock+0x36/0x1c0 [ 171.437290] ? out_of_memory+0xa05/0x10f0 [ 171.441425] ? lock_downgrade+0x900/0x900 [ 171.445594] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 171.450183] ? debug_smp_processor_id+0x17/0x20 [ 171.454838] ? rcu_is_watching+0x69/0x180 [ 171.458968] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 171.463536] ? oom_evaluate_task+0x296/0x450 [ 171.467933] out_of_memory+0x739/0x10f0 [ 171.471910] ? oom_killer_disable+0x2d0/0x2d0 [ 171.476395] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 171.481312] ? __lock_is_held+0xb5/0x140 [ 171.485354] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 171.489857] __alloc_pages_slowpath+0x2387/0x2e80 [ 171.494698] ? warn_alloc+0x120/0x120 [ 171.498497] ? print_usage_bug+0xc0/0xc0 [ 171.502539] ? warn_alloc+0x120/0x120 [ 171.506330] ? print_usage_bug+0xc0/0xc0 [ 171.510372] ? print_usage_bug+0xc0/0xc0 [ 171.514418] ? __lock_acquire+0x72e/0x4c60 [ 171.518649] ? __lock_is_held+0xb5/0x140 [ 171.522694] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 171.527694] ? lock_release+0x9b0/0x9b0 [ 171.531654] ? check_same_owner+0x330/0x330 [ 171.535961] ? __might_sleep+0x95/0x190 [ 171.539924] __alloc_pages_nodemask+0xaae/0xe10 [ 171.544577] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 171.549576] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 171.554580] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 171.560048] ? print_usage_bug+0xc0/0xc0 [ 171.564095] ? find_held_lock+0x36/0x1c0 [ 171.568155] ? mark_held_locks+0xc7/0x130 [ 171.572285] ? cache_grow_begin+0x53d/0x720 [ 171.576591] cache_grow_begin+0x81/0x720 [ 171.580635] fallback_alloc+0x203/0x2c0 [ 171.584591] ____cache_alloc_node+0x1c7/0x1e0 [ 171.589068] kmem_cache_alloc_node_trace+0xe7/0x780 [ 171.594074] __kmalloc_node+0x33/0x70 [ 171.597854] setup_kmem_cache_node+0x127/0x400 [ 171.602432] __do_tune_cpucache+0x165/0x220 [ 171.606748] ? __lock_is_held+0xb5/0x140 [ 171.610793] do_tune_cpucache+0x25/0xd0 [ 171.614750] enable_cpucache+0x3e/0xd0 [ 171.618621] setup_cpu_cache+0xd4/0x1e0 [ 171.622589] __kmem_cache_create+0x1a2/0x250 [ 171.626979] create_cache+0xd5/0x200 [ 171.630679] memcg_create_kmem_cache+0x106/0x170 [ 171.635423] ? radix_tree_gang_lookup_tag_slot+0x6b0/0x6b0 [ 171.641031] memcg_kmem_cache_create_func+0x57/0xd0 [ 171.646029] process_one_work+0xa31/0x19e0 [ 171.650245] ? debug_check_no_locks_freed+0x310/0x310 [ 171.655431] ? finish_task_switch+0x1f4/0x890 [ 171.659926] ? pwq_dec_nr_in_flight+0x520/0x520 [ 171.664872] ? lock_repin_lock+0x430/0x430 [ 171.669091] ? __schedule+0x863/0x2000 [ 171.672974] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 171.677977] ? pci_mmcfg_check_reserved+0x120/0x120 [ 171.682980] ? wait_woken+0x280/0x280 [ 171.686803] ? lock_downgrade+0x900/0x900 [ 171.690938] ? find_held_lock+0x36/0x1c0 [ 171.694984] ? lock_acquire+0x1ed/0x560 [ 171.698944] ? worker_thread+0x45d/0x1910 [ 171.703075] ? lock_downgrade+0x900/0x900 [ 171.707205] ? lock_release+0x9b0/0x9b0 [ 171.711180] ? trace_event_raw_event_workqueue_execute_start+0x1f0/0x1f0 [ 171.718011] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 171.722579] ? _raw_spin_unlock_irq+0x27/0x80 [ 171.727073] worker_thread+0x217/0x1910 [ 171.731033] ? finish_task_switch+0x1f4/0x890 [ 171.735535] ? process_one_work+0x19e0/0x19e0 [ 171.740011] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 171.745015] ? finish_task_switch+0x1f4/0x890 [ 171.749487] ? finish_task_switch+0x1b5/0x890 [ 171.753967] ? copy_overflow+0x20/0x20 [ 171.757842] ? lock_repin_lock+0x430/0x430 [ 171.762067] ? __schedule+0x863/0x2000 [ 171.765945] ? pci_mmcfg_check_reserved+0x120/0x120 [ 171.770945] ? find_held_lock+0x36/0x1c0 [ 171.774997] ? find_held_lock+0x36/0x1c0 [ 171.779047] ? __schedule+0x2000/0x2000 [ 171.783004] ? preempt_schedule_common+0x1f/0xd0 [ 171.787740] ? preempt_schedule+0x4d/0x60 [ 171.791906] ? ___preempt_schedule+0x16/0x18 [ 171.796314] ? _raw_spin_unlock_irqrestore+0xbb/0xd0 [ 171.801413] kthread+0x319/0x3e0 [ 171.804764] ? process_one_work+0x19e0/0x19e0 [ 171.809264] ? kthread_bind+0x30/0x30 [ 171.813076] ret_from_fork+0x3a/0x50 [ 171.850308] Mem-Info: [ 171.858346] active_anon:4297 inactive_anon:192 isolated_anon:0 [ 171.858346] active_file:143 inactive_file:176 isolated_file:27 [ 171.858346] unevictable:0 dirty:1 writeback:3 unstable:0 [ 171.858346] slab_reclaimable:12549 slab_unreclaimable:1517954 [ 171.858346] mapped:193 shmem:241 pagetables:421 bounce:0 [ 171.858346] free:24551 free_pcp:199 free_cma:0 [ 171.911801] Node 0 active_anon:17188kB inactive_anon:768kB active_file:572kB inactive_file:480kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:572kB dirty:4kB writeback:12kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 171.939406] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 171.966309] lowmem_reserve[]: 0 2833 6339 6339 [ 171.979269] Node 0 DMA32 free:44020kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 172.007517] lowmem_reserve[]: 0 0 3505 3505 [ 172.013825] Node 0 Normal free:37560kB min:37280kB low:46600kB high:55920kB active_anon:17244kB inactive_anon:768kB active_file:432kB inactive_file:136kB unevictable:0kB writepending:84kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7136kB pagetables:1748kB bounce:0kB free_pcp:660kB local_pcp:284kB free_cma:0kB [ 172.046933] lowmem_reserve[]: 0 0 0 0 [ 172.052256] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 172.066165] Node 0 DMA32: 3*4kB (UM) 3*8kB (UM) 3*16kB (UME) 5*32kB (UME) 4*64kB (UME) 4*128kB (ME) 2*256kB (ME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 7*4096kB (M) = 44020kB [ 172.082574] Node 0 Normal: 518*4kB (UMEH) 435*8kB (UMEH) 312*16kB (MH) 119*32kB (MH) 68*64kB (UM) 49*128kB (UMH) 41*256kB (UM) 3*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 37008kB [ 172.098796] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 172.108009] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 172.116779] 365 total pagecache pages [ 172.120650] 0 pages in swap cache [ 172.124100] Swap cache stats: add 0, delete 0, find 0/0 [ 172.129647] Free swap = 0kB [ 172.132818] Total swap = 0kB [ 172.135834] 1965979 pages RAM [ 172.138929] 0 pages HighMem/MovableOnly [ 172.142957] 338422 pages reserved [ 172.146413] 0 pages cma reserved [ 172.149767] excessive unreclaimable slab but cannot dump stats [ 172.157596] Out of memory: Kill process 21262 (syz-executor1) score 999 or sacrifice child [ 172.206732] Killed process 21262 (syz-executor1) total-vm:37704kB, anon-rss:88kB, file-rss:0kB, shmem-rss:0kB [ 172.250903] oom_reaper: reaped process 21262 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 2019/03/24 16:52:19 executed programs: 3605 [ 176.878234] kthreadd invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=0 [ 176.972270] kthreadd cpuset=/ mems_allowed=0 [ 176.977059] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.16.0-rc7+ #1 [ 176.983466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.992834] Call Trace: [ 176.995425] dump_stack+0x153/0x201 [ 176.999053] ? arch_local_irq_restore+0x43/0x43 [ 177.003732] ? debug_check_no_locks_freed+0x310/0x310 [ 177.008921] dump_header+0x281/0xddc [ 177.012637] ? oom_reaper.cold.28+0x28/0x28 [ 177.016973] ? print_usage_bug+0xc0/0xc0 [ 177.021051] ? __lock_acquire+0x72e/0x4c60 [ 177.025297] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 177.030314] ? compact_zone+0x2eb/0x2690 [ 177.034373] ? print_usage_bug+0xc0/0xc0 [ 177.038447] ? ___ratelimit+0x2dd/0x648 [ 177.042419] ? lock_downgrade+0x900/0x900 [ 177.046563] ? lock_release+0x9b0/0x9b0 [ 177.050533] ? mark_held_locks+0xc7/0x130 [ 177.054676] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 177.059771] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 177.064783] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 177.069882] ? ___ratelimit+0x2dd/0x648 [ 177.073850] ? idr_get_free+0x1550/0x1550 [ 177.077987] ? find_held_lock+0x13f/0x1c0 [ 177.082130] oom_kill_process.cold.29+0xb/0x1013 [ 177.086908] ? has_ns_capability_noaudit+0x147/0x250 [ 177.092010] ? lock_downgrade+0x900/0x900 [ 177.096169] ? oom_evaluate_task+0x450/0x450 [ 177.100570] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 177.105145] ? debug_smp_processor_id+0x17/0x20 [ 177.109814] ? rcu_is_watching+0x69/0x180 [ 177.113949] ? __lock_is_held+0xb5/0x140 [ 177.118004] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 177.122595] ? has_ns_capability_noaudit+0x164/0x250 [ 177.127692] ? has_capability+0x20/0x20 [ 177.131670] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 177.136244] ? oom_unkillable_task+0x2e4/0x480 [ 177.140827] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 177.145843] ? has_capability_noaudit+0x12/0x20 [ 177.150524] ? oom_badness+0x5de/0x930 [ 177.154400] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 177.158988] ? find_lock_task_mm+0x430/0x430 [ 177.163396] ? find_held_lock+0x36/0x1c0 [ 177.167454] ? out_of_memory+0xa05/0x10f0 [ 177.171596] ? lock_downgrade+0x900/0x900 [ 177.175751] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 177.180326] ? debug_smp_processor_id+0x17/0x20 [ 177.184999] ? rcu_is_watching+0x69/0x180 [ 177.189146] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 177.193732] ? oom_evaluate_task+0x296/0x450 [ 177.198134] out_of_memory+0x739/0x10f0 [ 177.202098] ? oom_killer_disable+0x2d0/0x2d0 [ 177.206596] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 177.211557] ? rcu_pm_notify+0xc0/0xc0 [ 177.215449] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 177.219949] __alloc_pages_slowpath+0x2387/0x2e80 [ 177.224804] ? warn_alloc+0x120/0x120 [ 177.228638] ? ret_from_fork+0x3a/0x50 [ 177.232533] ? __lock_acquire+0x72e/0x4c60 [ 177.236755] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 177.241774] ? unwind_dump+0x190/0x190 [ 177.245671] ? unwind_next_frame+0x3e/0x50 [ 177.249901] ? find_held_lock+0x36/0x1c0 [ 177.253971] ? lock_release+0x9b0/0x9b0 [ 177.257944] ? check_same_owner+0x330/0x330 [ 177.262256] ? ret_from_fork+0x3a/0x50 [ 177.266132] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 177.271147] ? __lock_acquire+0x72e/0x4c60 [ 177.275388] ? __might_sleep+0x95/0x190 [ 177.279371] __alloc_pages_nodemask+0xaae/0xe10 [ 177.284040] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 177.289067] ? rcu_lockdep_current_cpu_online+0x1ae/0x210 [ 177.294597] ? rcu_is_watching+0x69/0x180 [ 177.298746] ? rcu_pm_notify+0xc0/0xc0 [ 177.302640] ? copy_process.part.37+0x15db/0x4e20 [ 177.307505] ? rcu_read_lock_sched_held+0x108/0x120 [ 177.312513] ? kmem_cache_alloc_node+0x383/0x790 [ 177.317263] ? attach_entity_load_avg+0x7b0/0x7b0 [ 177.322100] ? cpuacct_charge+0x265/0x440 [ 177.326243] copy_process.part.37+0x40a/0x4e20 [ 177.330819] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 177.335833] ? kthread_bind+0x30/0x30 [ 177.339625] ? __cleanup_sighand+0x30/0x30 [ 177.343854] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 177.348879] ? find_held_lock+0x36/0x1c0 [ 177.352951] ? cpuacct_charge+0x265/0x440 [ 177.357095] ? __lock_acquire+0x72e/0x4c60 [ 177.361347] ? update_curr+0x4d2/0xc20 [ 177.365241] ? debug_check_no_locks_freed+0x310/0x310 [ 177.370423] ? debug_smp_processor_id+0x17/0x20 [ 177.375082] ? rcu_is_watching+0x69/0x180 [ 177.379220] ? __lock_is_held+0xb5/0x140 [ 177.383273] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 177.387844] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 177.392857] ? update_curr+0x4ef/0xc20 [ 177.396767] ? __lock_is_held+0xb5/0x140 [ 177.400828] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 177.405844] ? numa_migrate_preferred+0x1e0/0x1e0 [ 177.410679] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 177.415688] ? print_usage_bug+0xc0/0xc0 [ 177.419749] ? find_held_lock+0x36/0x1c0 [ 177.423827] ? finish_task_switch+0x1f4/0x890 [ 177.428420] ? lock_downgrade+0x900/0x900 [ 177.432560] ? finish_task_switch+0x1b5/0x890 [ 177.437047] ? __lock_acquire+0x72e/0x4c60 [ 177.441272] ? lock_release+0x9b0/0x9b0 [ 177.445246] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 177.449817] ? compat_start_thread+0x80/0x80 [ 177.454219] ? _raw_spin_unlock_irq+0x27/0x80 [ 177.458711] ? debug_check_no_locks_freed+0x310/0x310 [ 177.463905] ? finish_task_switch+0x1f4/0x890 [ 177.468416] ? finish_task_switch+0x1b5/0x890 [ 177.472902] ? copy_overflow+0x20/0x20 [ 177.476782] ? lock_repin_lock+0x430/0x430 [ 177.481008] ? __schedule+0x863/0x2000 [ 177.484886] ? pci_mmcfg_check_reserved+0x120/0x120 [ 177.489897] _do_fork+0x1a3/0xe50 [ 177.493344] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 177.498354] ? fork_idle+0x280/0x280 [ 177.502068] ? find_held_lock+0x36/0x1c0 [ 177.506126] ? kthreadd+0x555/0x800 [ 177.509754] ? lock_downgrade+0x900/0x900 [ 177.513894] ? lock_release+0x9b0/0x9b0 [ 177.517856] ? lock_release+0x9b0/0x9b0 [ 177.521816] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 177.526386] ? mark_held_locks+0xc7/0x130 [ 177.530528] kernel_thread+0x24/0x30 [ 177.534230] kthreadd+0x5c2/0x800 [ 177.537684] ? __switch_to+0x259/0x1340 [ 177.541651] ? kthread_create_on_cpu+0x1d0/0x1d0 [ 177.546411] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 177.551420] ? _raw_spin_unlock_irq+0x60/0x80 [ 177.556197] ? finish_task_switch+0x1f4/0x890 [ 177.560679] ? finish_task_switch+0x1b5/0x890 [ 177.565167] ? copy_overflow+0x20/0x20 [ 177.569053] ? kthread_create_on_cpu+0x1d0/0x1d0 [ 177.573803] ? kthread_create_on_cpu+0x1d0/0x1d0 [ 177.578562] ret_from_fork+0x3a/0x50 [ 181.345971] Mem-Info: [ 181.348419] active_anon:4366 inactive_anon:191 isolated_anon:0 [ 181.348419] active_file:4 inactive_file:0 isolated_file:0 [ 181.348419] unevictable:0 dirty:1 writeback:0 unstable:0 [ 181.348419] slab_reclaimable:12427 slab_unreclaimable:1516318 [ 181.348419] mapped:7 shmem:241 pagetables:463 bounce:0 [ 181.348419] free:24127 free_pcp:0 free_cma:0 [ 181.451762] Node 0 active_anon:17464kB inactive_anon:764kB active_file:404kB inactive_file:576kB unevictable:0kB isolated(anon):0kB isolated(file):96kB mapped:428kB dirty:4kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 181.483940] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 181.511226] lowmem_reserve[]: 0 2833 6339 6339 [ 181.515948] Node 0 DMA32 free:43632kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 181.544104] lowmem_reserve[]: 0 0 3505 3505 [ 181.548552] Node 0 Normal free:37388kB min:37280kB low:46600kB high:55920kB active_anon:17464kB inactive_anon:764kB active_file:132kB inactive_file:60kB unevictable:0kB writepending:4kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7072kB pagetables:1852kB bounce:0kB free_pcp:988kB local_pcp:260kB free_cma:0kB [ 181.579398] lowmem_reserve[]: 0 0 0 0 [ 181.584047] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 181.597873] Node 0 DMA32: 3*4kB (UM) 4*8kB (UM) 4*16kB (UME) 5*32kB (UME) 5*64kB (UME) 6*128kB (UME) 3*256kB (UME) 4*512kB (ME) 5*1024kB (ME) 3*2048kB (UME) 7*4096kB (M) = 44108kB [ 181.614474] Node 0 Normal: 429*4kB (MEH) 448*8kB (MEH) 350*16kB (UMEH) 134*32kB (UMEH) 66*64kB (UM) 45*128kB (UMH) 39*256kB (ME) 4*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 37204kB [ 181.630803] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 181.639754] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 181.648479] 432 total pagecache pages [ 181.652477] 0 pages in swap cache [ 181.656116] Swap cache stats: add 0, delete 0, find 0/0 [ 181.661628] Free swap = 0kB [ 181.664884] Total swap = 0kB [ 181.667882] 1965979 pages RAM [ 181.671333] 0 pages HighMem/MovableOnly [ 181.675303] 338422 pages reserved [ 181.678740] 0 pages cma reserved [ 181.682183] Unreclaimable slab info: [ 181.686026] Name Used Total [ 181.692112] pid_2 108KB 156KB [ 181.697486] TIPC 10KB 14KB [ 181.702901] SCTPv6 14KB 20KB [ 181.708283] DCCPv6 17KB 21KB [ 181.713649] DCCP 15KB 20KB [ 181.719009] bridge_fdb_cache 11KB 15KB [ 181.724419] fib6_nodes 77KB 80KB [ 181.729772] ip6_dst_cache 319KB 682KB [ 181.735164] RAWv6 68KB 78KB [ 181.740568] UDPv6 3KB 3KB [ 181.745927] TCPv6 5KB 22KB [ 181.751310] sd_ext_cdb 0KB 3KB [ 181.756647] scsi_sense_cache 2544KB 2544KB [ 181.762042] virtio_scsi_cmd 16KB 16KB [ 181.767393] sgpool-128 10KB 10KB [ 181.772762] sgpool-64 23KB 31KB [ 181.778097] sgpool-32 7019KB 7019KB [ 181.783471] sgpool-16 1980KB 1980KB [ 181.788820] sgpool-8 4950KB 4950KB [ 181.794185] cfq_io_cq 25KB 27KB [ 181.799523] cfq_queue 57KB 57KB [ 181.805292] mqueue_inode_cache 10KB 21KB [ 181.810932] bio-2 14KB 19KB [ 181.816286] jfs_mp 7KB 7KB [ 181.821660] nfs_commit_data 3KB 7KB [ 181.827004] nfs_write_data 34KB 37KB [ 181.832380] ext4_system_zone 0KB 3KB [ 181.837728] bio-1 1KB 3KB [ 181.843099] pid_namespace 1KB 7KB [ 181.848441] rpc_buffers 17KB 19KB [ 181.853808] rpc_tasks 2KB 3KB [ 181.859158] UNIX 8KB 14KB [ 181.864544] tcp_bind_bucket 1KB 4KB [ 181.869898] ip_fib_trie 11KB 15KB [ 181.875298] ip_fib_alias 52KB 55KB [ 181.880677] ip_dst_cache 1KB 8KB [ 181.886026] RAW 40KB 50KB [ 181.891393] UDP 15KB 23KB [ 181.896760] TCP 28KB 39KB [ 181.902141] hugetlbfs_inode_cache 2KB 7KB [ 181.907841] fscache_cookie_jar 0KB 7KB [ 181.913312] eventpoll_pwq 30KB 51KB [ 181.918657] eventpoll_epi 56KB 94KB [ 181.924042] inotify_inode_mark 47KB 82KB [ 181.929483] request_queue 129KB 137KB [ 181.935380] blkdev_requests 1KB 3KB [ 181.940799] blkdev_ioc 34KB 34KB [ 181.946162] bio-0 6982KB 6982KB [ 181.951558] biovec-(1<<(21-12)) 3786KB 3786KB [ 181.957081] biovec-64 9284KB 9284KB [ 181.962491] biovec-16 2092KB 2092KB [ 181.967856] bio_integrity_payload 1KB 8KB [ 181.973567] khugepaged_mm_slot 0KB 3KB [ 181.979001] dmaengine-unmap-256 2KB 6KB [ 181.984569] dmaengine-unmap-128 1KB 3KB [ 181.990139] dmaengine-unmap-16 0KB 4KB [ 181.995575] dmaengine-unmap-2 0KB 3KB [ 182.000992] skbuff_fclone_cache 3KB 3KB [ 182.006524] skbuff_head_cache 348KB 1518KB [ 182.011902] configfs_dir_cache 0KB 4KB [ 182.017340] file_lock_cache 0KB 3KB [ 182.022724] file_lock_ctx 0KB 3KB [ 182.028072] fsnotify_mark_connector 29KB 51KB [ 182.033956] net_namespace 41KB 41KB [ 182.039295] shmem_inode_cache 5270KB 5804KB [ 182.044694] task_delay_info 83KB 391KB [ 182.050090] taskstats 106KB 160KB [ 182.055434] sigqueue 59KB 350KB [ 182.061219] kernfs_node_cache 10990KB 10993KB [ 182.066560] mnt_cache 4172KB 5512KB [ 182.071921] filp 2509KB 5752KB [ 182.077258] names_cache 62517KB 62517KB [ 182.082674] iint_cache 88KB 91KB [ 182.088029] key_jar 3KB 7KB [ 182.093444] nsproxy 53KB 71KB [ 182.098988] vm_area_struct 4450KB 10638KB [ 182.104644] mm_struct 750KB 2523KB [ 182.110294] fs_cache 78KB 408KB [ 182.115879] files_cache 233KB 727KB [ 182.121523] signal_cache 649KB 1703KB [ 182.127496] sighand_cache 471KB 506KB [ 182.133279] task_struct 2450KB 2505KB [ 182.138985] cred_jar 496KB 2076KB [ 182.144676] anon_vma_chain 2747KB 6059KB [ 182.150531] anon_vma 180KB 342KB [ 182.156226] pid 61KB 284KB [ 182.161830] Acpi-Operand 107KB 178KB [ 182.167443] Acpi-Namespace 19KB 23KB [ 182.173109] numa_policy 0KB 3KB [ 182.178664] debug_objects_cache 1118KB 1118KB [ 182.184566] trace_event_file 247KB 251KB [ 182.191290] ftrace_event_field 353KB 354KB [ 182.197085] pool_workqueue 80KB 84KB [ 182.203521] task_group 4KB 7KB [ 182.209568] page->ptl 796KB 2933KB [ 182.215334] kmalloc-4194304 5685248KB 5685248KB [ 182.220891] kmalloc-2097152 2050KB 2050KB [ 182.226252] kmalloc-524288 1028KB 1028KB [ 182.231986] kmalloc-262144 1290KB 1290KB [ 182.238032] kmalloc-131072 650KB 650KB [ 182.245807] kmalloc-65536 264KB 264KB [ 182.251973] kmalloc-32768 1254KB 1254KB [ 182.257989] kmalloc-16384 379KB 379KB [ 182.266082] kmalloc-8192 1782KB 1782KB [ 182.272707] kmalloc-4096 13166KB 13204KB [ 182.278192] kmalloc-2048 50649KB 50649KB [ 182.285553] kmalloc-1024 4662KB 6985KB [ 182.301513] kmalloc-512 2351KB 4863KB [ 182.310421] kmalloc-256 3027KB 3513KB [ 182.317131] kmalloc-128 1200KB 1504KB [ 182.327339] kmalloc-96 2986KB 3556KB [ 182.338414] kmalloc-64 1856KB 2156KB [ 182.343989] kmalloc-32 2223KB 3110KB 2019/03/24 16:52:25 executed programs: 3610 [ 182.353359] kmalloc-192 855KB 908KB [ 182.359443] kmem_cache 202KB 202KB [ 182.371487] Out of memory: Kill process 21292 (syz-executor1) score 999 or sacrifice child [ 182.537035] syz-executor5 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 182.608960] syz-executor5 cpuset=syz5 mems_allowed=0 [ 182.644921] CPU: 1 PID: 21314 Comm: syz-executor5 Not tainted 4.16.0-rc7+ #1 [ 182.652119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 182.661456] Call Trace: [ 182.664030] dump_stack+0x153/0x201 [ 182.667644] ? arch_local_irq_restore+0x43/0x43 [ 182.672304] dump_header+0x281/0xddc [ 182.676030] ? debug_check_no_locks_freed+0x310/0x310 [ 182.681201] ? oom_reaper.cold.28+0x28/0x28 [ 182.685524] ? print_usage_bug+0xc0/0xc0 [ 182.689574] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 182.694574] ? debug_check_no_locks_freed+0x310/0x310 [ 182.699750] ? print_usage_bug+0xc0/0xc0 [ 182.703800] ? ___ratelimit+0x2dd/0x648 [ 182.707758] ? lock_downgrade+0x900/0x900 [ 182.711897] ? lock_release+0x9b0/0x9b0 [ 182.715864] ? mark_held_locks+0xc7/0x130 [ 182.719996] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 182.725097] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 182.730110] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 182.735193] ? ___ratelimit+0x2dd/0x648 [ 182.739149] ? idr_get_free+0x1550/0x1550 [ 182.743291] ? find_held_lock+0x13f/0x1c0 [ 182.747425] oom_kill_process.cold.29+0xb/0x1013 [ 182.752168] ? has_ns_capability_noaudit+0x147/0x250 [ 182.757251] ? lock_downgrade+0x900/0x900 [ 182.761388] ? oom_evaluate_task+0x450/0x450 [ 182.765778] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 182.770339] ? debug_smp_processor_id+0x17/0x20 [ 182.775015] ? rcu_is_watching+0x69/0x180 [ 182.779141] ? __lock_is_held+0xb5/0x140 [ 182.783181] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 182.787755] ? has_ns_capability_noaudit+0x164/0x250 [ 182.792839] ? has_capability+0x20/0x20 [ 182.796795] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 182.801361] ? oom_unkillable_task+0x2e4/0x480 [ 182.805925] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 182.810925] ? has_capability_noaudit+0x12/0x20 [ 182.815578] ? oom_badness+0x5de/0x930 [ 182.819443] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 182.824024] ? find_lock_task_mm+0x430/0x430 [ 182.828420] ? find_held_lock+0x36/0x1c0 [ 182.832470] ? out_of_memory+0xa05/0x10f0 [ 182.836616] ? lock_downgrade+0x900/0x900 [ 182.840750] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 182.845315] ? debug_smp_processor_id+0x17/0x20 [ 182.849964] ? rcu_is_watching+0x69/0x180 [ 182.854108] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 182.858670] ? oom_evaluate_task+0x296/0x450 [ 182.863066] out_of_memory+0x739/0x10f0 [ 182.867028] ? oom_killer_disable+0x2d0/0x2d0 [ 182.871508] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 182.876430] ? __lock_is_held+0xb5/0x140 [ 182.880484] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 182.884970] __alloc_pages_slowpath+0x2387/0x2e80 [ 182.889812] ? warn_alloc+0x120/0x120 [ 182.893598] ? find_held_lock+0x36/0x1c0 [ 182.897656] ? is_bpf_text_address+0x60/0xe0 [ 182.902043] ? lock_downgrade+0x900/0x900 [ 182.906179] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 182.911262] ? debug_smp_processor_id+0x17/0x20 [ 182.915922] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 182.920938] ? __lock_is_held+0xb5/0x140 [ 182.924987] ? lock_release+0x9b0/0x9b0 [ 182.928942] ? check_same_owner+0x330/0x330 [ 182.933243] ? __lock_is_held+0xb5/0x140 [ 182.937287] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 182.941855] ? __might_sleep+0x95/0x190 [ 182.945812] __alloc_pages_nodemask+0xaae/0xe10 [ 182.950468] ? vmap_page_range_noflush+0x4d8/0x7a0 [ 182.955388] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 182.960391] ? free_vmap_block+0xf0/0xf0 [ 182.964433] ? __lock_is_held+0xb5/0x140 [ 182.968481] ? check_same_owner+0x330/0x330 [ 182.972792] alloc_pages_current+0xd6/0x1b0 [ 182.977111] __vmalloc_node_range+0x33d/0x630 [ 182.981600] ? kmem_cache_alloc_node_trace+0x376/0x780 [ 182.986862] __vmalloc_node_flags_caller+0x33/0x40 [ 182.991769] ? newary+0x203/0xad0 [ 182.995199] kvmalloc_node+0x5c/0x80 [ 182.998891] newary+0x203/0xad0 [ 183.002151] ? lookup_undo+0x8c0/0x8c0 [ 183.006015] ? lock_acquire+0x1ed/0x560 [ 183.009967] ? ipcget+0x101/0x1030 [ 183.013511] ? lock_release+0x9b0/0x9b0 [ 183.017462] ? check_same_owner+0x330/0x330 [ 183.021815] ? down_write+0x8a/0x130 [ 183.025506] ? ipcget+0x101/0x1030 [ 183.029032] ? down_read+0x160/0x160 [ 183.032744] ? perf_event_comm+0x420/0x420 [ 183.036963] ipcget+0x139/0x1030 [ 183.040308] ? find_held_lock+0x36/0x1c0 [ 183.044350] ? __might_fault+0xf1/0x1b0 [ 183.048328] ? lock_downgrade+0x900/0x900 [ 183.052460] ? ipc_obtain_object_check+0xd0/0xd0 [ 183.057195] ? lock_release+0x9b0/0x9b0 [ 183.061148] ? check_same_owner+0x330/0x330 [ 183.065461] ? kasan_check_read+0x11/0x20 [ 183.069613] ? _copy_to_user+0x91/0xb0 [ 183.073484] ? put_timespec64+0xf1/0x190 [ 183.077546] ? nsecs_to_jiffies+0x20/0x20 [ 183.081673] ? SyS_futex+0xfc/0x404 [ 183.085282] ? __do_page_fault+0x4bf/0xb80 [ 183.089505] SyS_semget+0x189/0x2e0 [ 183.093118] ? SyS_clock_gettime+0x127/0x180 [ 183.097520] ? sem_exit_ns+0x40/0x40 [ 183.101232] ? do_syscall_64+0xb8/0x980 [ 183.105196] do_syscall_64+0x276/0x980 [ 183.109069] ? vmalloc_sync_all+0x20/0x20 [ 183.113201] ? _raw_spin_unlock_irq+0x60/0x80 [ 183.117674] ? finish_task_switch+0x1f4/0x890 [ 183.122187] ? syscall_return_slowpath+0x4e0/0x4e0 [ 183.127110] ? syscall_return_slowpath+0x215/0x4e0 [ 183.132023] ? prepare_exit_to_usermode+0x300/0x300 [ 183.137023] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 183.142369] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 183.147196] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 183.152365] RIP: 0033:0x4576b9 [ 183.155533] RSP: 002b:00007f9f7fbd0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000040 [ 183.163222] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004576b9 [ 183.170471] RDX: 0000000000000000 RSI: 0000000000004007 RDI: 0000000000000000 [ 183.177728] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 183.185000] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9f7fbd16d4 [ 183.192249] R13: 00000000004c3caa R14: 00000000004d6288 R15: 00000000ffffffff [ 183.206480] Mem-Info: [ 183.208922] active_anon:4343 inactive_anon:191 isolated_anon:0 [ 183.208922] active_file:28 inactive_file:39 isolated_file:0 [ 183.208922] unevictable:0 dirty:51 writeback:0 unstable:0 [ 183.208922] slab_reclaimable:12437 slab_unreclaimable:1516016 [ 183.208922] mapped:34 shmem:241 pagetables:439 bounce:0 [ 183.208922] free:24636 free_pcp:169 free_cma:0 [ 183.241692] Node 0 active_anon:17372kB inactive_anon:764kB active_file:112kB inactive_file:156kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:136kB dirty:204kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 183.272127] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 183.310763] lowmem_reserve[]: 0 2833 6339 6339 [ 183.315480] Node 0 DMA32 free:43908kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 183.344338] lowmem_reserve[]: 0 0 3505 3505 [ 183.352205] Node 0 Normal free:37556kB min:37280kB low:46600kB high:55920kB active_anon:17480kB inactive_anon:752kB active_file:92kB inactive_file:148kB unevictable:0kB writepending:112kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7264kB pagetables:1892kB bounce:0kB free_pcp:128kB local_pcp:0kB free_cma:0kB [ 183.390699] lowmem_reserve[]: 0 0 0 0 [ 183.394677] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 183.412099] Node 0 DMA32: 3*4kB (UM) 3*8kB (UM) 4*16kB (UME) 5*32kB (UME) 4*64kB (UME) 5*128kB (UME) 3*256kB (UME) 4*512kB (ME) 5*1024kB (ME) 3*2048kB (UME) 7*4096kB (M) = 43908kB [ 183.429512] Node 0 Normal: 600*4kB (UMEH) 914*8kB (UMEH) 395*16kB (UMEH) 115*32kB (UMEH) 69*64kB (UM) 50*128kB (UMH) 40*256kB (UME) 4*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 42816kB [ 183.446027] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 183.454894] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 183.463528] 545 total pagecache pages [ 183.467325] 0 pages in swap cache [ 183.472947] Swap cache stats: add 0, delete 0, find 0/0 [ 183.478465] Free swap = 0kB [ 183.481504] Total swap = 0kB [ 183.484500] 1965979 pages RAM [ 183.487656] 0 pages HighMem/MovableOnly [ 183.491830] 338422 pages reserved [ 183.495267] 0 pages cma reserved [ 183.498671] Unreclaimable slab info: [ 183.504671] Name Used Total [ 183.531118] pid_2 108KB 156KB [ 183.538416] TIPC 10KB 14KB [ 183.545178] SCTPv6 14KB 20KB [ 183.551506] DCCPv6 17KB 21KB [ 183.557802] DCCP 15KB 20KB [ 183.563652] bridge_fdb_cache 11KB 15KB [ 183.569593] fib6_nodes 77KB 80KB [ 183.575782] ip6_dst_cache 340KB 682KB [ 183.581902] RAWv6 68KB 78KB [ 183.587551] UDPv6 3KB 3KB [ 183.593276] TCPv6 22KB 22KB [ 183.598903] sd_ext_cdb 0KB 3KB [ 183.604690] scsi_sense_cache 2636KB 2636KB [ 183.610355] virtio_scsi_cmd 16KB 16KB [ 183.616134] sgpool-128 10KB 10KB [ 183.621857] sgpool-64 31KB 31KB [ 183.627414] sgpool-32 7232KB 7232KB [ 183.633020] sgpool-16 2058KB 2058KB [ 183.638673] sgpool-8 5137KB 5137KB [ 183.644497] cfq_io_cq 27KB 27KB [ 183.650191] cfq_queue 65KB 65KB [ 183.655939] mqueue_inode_cache 10KB 21KB [ 183.661656] bio-2 14KB 19KB [ 183.668327] jfs_mp 7KB 7KB [ 183.675224] nfs_commit_data 3KB 7KB [ 183.681751] nfs_write_data 34KB 37KB [ 183.688103] ext4_system_zone 0KB 3KB [ 183.694760] bio-1 1KB 3KB [ 183.703181] pid_namespace 1KB 7KB [ 183.709666] rpc_buffers 17KB 19KB [ 183.715566] rpc_tasks 2KB 3KB [ 183.722172] UNIX 8KB 14KB [ 183.730157] tcp_bind_bucket 1KB 4KB [ 183.737568] ip_fib_trie 11KB 15KB [ 183.744304] ip_fib_alias 52KB 55KB [ 183.749963] ip_dst_cache 1KB 8KB [ 183.756146] RAW 40KB 50KB [ 183.761542] UDP 15KB 23KB [ 183.767025] TCP 39KB 39KB [ 183.773298] hugetlbfs_inode_cache 2KB 7KB [ 183.779949] fscache_cookie_jar 0KB 7KB [ 183.785512] eventpoll_pwq 30KB 51KB [ 183.791074] eventpoll_epi 56KB 94KB [ 183.796430] inotify_inode_mark 47KB 82KB [ 183.803235] request_queue 129KB 137KB [ 183.808753] blkdev_requests 1KB 3KB [ 183.814370] blkdev_ioc 42KB 42KB [ 183.819754] bio-0 7301KB 7301KB [ 183.828968] biovec-(1<<(21-12)) 4067KB 4067KB [ 183.837519] biovec-64 9686KB 9686KB [ 183.865703] biovec-16 2190KB 2190KB [ 183.871224] bio_integrity_payload 1KB 8KB [ 183.877642] khugepaged_mm_slot 0KB 3KB [ 183.883354] dmaengine-unmap-256 2KB 6KB [ 183.888884] dmaengine-unmap-128 1KB 3KB [ 183.894728] dmaengine-unmap-16 0KB 4KB [ 183.901247] dmaengine-unmap-2 0KB 3KB [ 183.908044] skbuff_fclone_cache 7KB 7KB [ 183.915172] skbuff_head_cache 348KB 1518KB [ 183.920627] configfs_dir_cache 0KB 4KB [ 183.926085] file_lock_cache 0KB 3KB [ 183.931584] file_lock_ctx 0KB 3KB [ 183.937048] fsnotify_mark_connector 29KB 51KB [ 183.943064] net_namespace 41KB 41KB [ 183.955789] shmem_inode_cache 5270KB 5804KB [ 183.961307] task_delay_info 83KB 391KB [ 183.966670] taskstats 106KB 160KB [ 183.987352] sigqueue 59KB 350KB [ 184.000316] kernfs_node_cache 10990KB 10993KB [ 184.005706] mnt_cache 4132KB 5508KB [ 184.030313] filp 2441KB 5700KB [ 184.036474] names_cache 60022KB 60022KB [ 184.043462] iint_cache 91KB 91KB [ 184.049770] key_jar 3KB 7KB [ 184.056222] nsproxy 53KB 71KB [ 184.061896] vm_area_struct 4276KB 10480KB [ 184.067259] mm_struct 750KB 2523KB [ 184.072696] fs_cache 78KB 408KB [ 184.078119] files_cache 233KB 727KB [ 184.083650] signal_cache 649KB 1703KB [ 184.089040] sighand_cache 499KB 506KB [ 184.096081] task_struct 2450KB 2505KB [ 184.101542] cred_jar 496KB 2076KB [ 184.107073] anon_vma_chain 2668KB 6044KB [ 184.112795] anon_vma 180KB 342KB [ 184.118588] pid 61KB 284KB [ 184.124370] Acpi-Operand 107KB 178KB [ 184.129987] Acpi-Namespace 19KB 23KB [ 184.135585] numa_policy 0KB 3KB [ 184.141158] debug_objects_cache 957KB 1118KB [ 184.146874] trace_event_file 247KB 251KB [ 184.152414] ftrace_event_field 353KB 354KB [ 184.158832] pool_workqueue 80KB 84KB [ 184.164415] task_group 4KB 7KB [ 184.169932] page->ptl 775KB 2925KB [ 184.175543] kmalloc-4194304 5685248KB 5685248KB [ 184.182164] kmalloc-2097152 2050KB 2050KB [ 184.187915] kmalloc-524288 1028KB 1028KB [ 184.195895] kmalloc-262144 1290KB 1290KB [ 184.202535] kmalloc-131072 650KB 650KB [ 184.209175] kmalloc-65536 264KB 264KB [ 184.215065] kmalloc-32768 1254KB 1254KB [ 184.220576] kmalloc-16384 379KB 379KB [ 184.235220] kmalloc-8192 1782KB 1782KB [ 184.243190] kmalloc-4096 12915KB 12915KB [ 184.256270] kmalloc-2048 53027KB 53027KB [ 184.289921] kmalloc-1024 4662KB 6985KB [ 184.299379] kmalloc-512 2351KB 4863KB [ 184.305074] kmalloc-256 3027KB 3513KB [ 184.311149] kmalloc-128 1200KB 1504KB [ 184.316872] kmalloc-96 2041KB 3556KB [ 184.322686] kmalloc-64 1856KB 2156KB [ 184.328243] kmalloc-32 2193KB 3110KB [ 184.334145] kmalloc-192 855KB 908KB [ 184.341302] kmem_cache 202KB 202KB [ 184.346832] Out of memory: Kill process 21311 (syz-executor1) score 999 or sacrifice child [ 184.452131] blkid invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 184.465093] blkid cpuset=/ mems_allowed=0 [ 184.469737] CPU: 1 PID: 21318 Comm: blkid Not tainted 4.16.0-rc7+ #1 [ 184.476216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 184.485544] Call Trace: [ 184.488106] dump_stack+0x153/0x201 [ 184.491708] ? arch_local_irq_restore+0x43/0x43 [ 184.496363] ? debug_check_no_locks_freed+0x310/0x310 [ 184.501538] dump_header+0x281/0xddc [ 184.505244] ? mark_held_locks+0xc7/0x130 [ 184.509375] ? oom_reaper.cold.28+0x28/0x28 [ 184.513685] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 184.518698] ? _raw_spin_unlock_irq+0x60/0x80 [ 184.523176] ? finish_task_switch+0x1f4/0x890 [ 184.527644] ? finish_task_switch+0x1b5/0x890 [ 184.532113] ? copy_overflow+0x20/0x20 [ 184.535981] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 184.541025] ? __schedule+0x863/0x2000 [ 184.544918] ? print_usage_bug+0xc0/0xc0 [ 184.548956] ? ___ratelimit+0x2dd/0x648 [ 184.552910] ? lock_downgrade+0x900/0x900 [ 184.557046] ? lock_release+0x9b0/0x9b0 [ 184.561004] ? mark_held_locks+0xc7/0x130 [ 184.565167] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 184.570248] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 184.575249] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 184.580347] ? ___ratelimit+0x2dd/0x648 [ 184.584323] ? idr_get_free+0x1550/0x1550 [ 184.588454] ? ___preempt_schedule+0x16/0x18 [ 184.592858] oom_kill_process.cold.29+0xb/0x1013 [ 184.597594] ? lock_downgrade+0x900/0x900 [ 184.601746] ? lock_release+0x9b0/0x9b0 [ 184.605694] ? find_held_lock+0x36/0x1c0 [ 184.609744] ? oom_evaluate_task+0x450/0x450 [ 184.614143] ? oom_badness+0x1fe/0x930 [ 184.618016] ? lock_downgrade+0x900/0x900 [ 184.622170] ? find_lock_task_mm+0x205/0x430 [ 184.626580] ? task_will_free_mem+0xe40/0xe40 [ 184.631077] ? find_held_lock+0x36/0x1c0 [ 184.635132] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 184.639714] ? oom_unkillable_task+0x2e4/0x480 [ 184.644286] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 184.649277] ? _raw_spin_unlock+0x2c/0x50 [ 184.653405] ? oom_badness+0x1fe/0x930 [ 184.657290] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 184.661864] ? find_lock_task_mm+0x430/0x430 [ 184.666247] ? find_held_lock+0x36/0x1c0 [ 184.670298] ? out_of_memory+0xa05/0x10f0 [ 184.674433] ? lock_downgrade+0x900/0x900 [ 184.678561] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 184.683137] ? debug_smp_processor_id+0x17/0x20 [ 184.687797] ? rcu_is_watching+0x69/0x180 [ 184.691939] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 184.696511] ? oom_evaluate_task+0x296/0x450 [ 184.700913] out_of_memory+0x739/0x10f0 [ 184.704874] ? oom_killer_disable+0x2d0/0x2d0 [ 184.709353] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 184.714262] ? __lock_is_held+0xb5/0x140 [ 184.718311] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 184.722819] __alloc_pages_slowpath+0x2387/0x2e80 [ 184.727657] ? warn_alloc+0x120/0x120 [ 184.731449] ? lock_downgrade+0x900/0x900 [ 184.735577] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 184.740142] ? debug_smp_processor_id+0x17/0x20 [ 184.744786] ? rcu_is_watching+0x69/0x180 [ 184.748906] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 184.753482] ? rcu_read_lock_sched_held+0x108/0x120 [ 184.758481] ? find_get_entry+0x217/0xa40 [ 184.762605] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 184.767601] ? rcu_is_watching+0x69/0x180 [ 184.771750] ? __lock_is_held+0xb5/0x140 [ 184.775797] ? debug_check_no_locks_freed+0x310/0x310 [ 184.780973] ? lock_release+0x9b0/0x9b0 [ 184.784921] ? check_same_owner+0x330/0x330 [ 184.789214] ? debug_smp_processor_id+0x17/0x20 [ 184.793866] ? rcu_is_watching+0x69/0x180 [ 184.798003] ? __might_sleep+0x95/0x190 [ 184.801960] __alloc_pages_nodemask+0xaae/0xe10 [ 184.806608] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 184.811605] ? find_get_pages_contig+0x12e0/0x12e0 [ 184.816522] ? read_cache_pages+0x960/0x960 [ 184.820828] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 184.825839] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 184.830847] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 184.835851] ? find_held_lock+0x36/0x1c0 [ 184.839898] alloc_pages_current+0xd6/0x1b0 [ 184.844231] __page_cache_alloc+0x2d8/0x570 [ 184.848530] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 184.853088] ? debug_smp_processor_id+0x17/0x20 [ 184.857746] ? rcu_is_watching+0x69/0x180 [ 184.861876] ? __filemap_set_wb_err+0x320/0x320 [ 184.866519] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 184.871081] ? filemap_fault+0x142f/0x1c50 [ 184.875305] filemap_fault+0x1087/0x1c50 [ 184.879356] ? __lock_page_or_retry+0x450/0x450 [ 184.884027] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 184.888591] ? filemap_map_pages+0x907/0x16e0 [ 184.893173] ? debug_check_no_locks_freed+0x310/0x310 [ 184.898346] ? find_get_pages_range_tag+0x1020/0x1020 [ 184.903521] ? __lock_acquire+0x72e/0x4c60 [ 184.907742] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 184.912301] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 184.917318] ? rcu_is_watching+0x69/0x180 [ 184.921455] ? print_usage_bug+0xc0/0xc0 [ 184.925513] ? print_usage_bug+0xc0/0xc0 [ 184.929553] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 184.934546] ? debug_check_no_locks_freed+0x310/0x310 [ 184.939736] ? lock_acquire+0x1ed/0x560 [ 184.943708] ? ext4_filemap_fault+0x75/0xa5 [ 184.948029] ? lock_release+0x9b0/0x9b0 [ 184.952001] ? check_same_owner+0x330/0x330 [ 184.956313] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 184.961316] ? down_read+0x99/0x160 [ 184.964923] ? ext4_filemap_fault+0x75/0xa5 [ 184.969221] ? __down_interruptible+0x700/0x700 [ 184.973870] ext4_filemap_fault+0x7d/0xa5 [ 184.977998] __do_fault+0xe8/0x3d0 [ 184.981517] ? pmd_devmap_trans_unstable+0x130/0x130 [ 184.986611] ? add_mm_counter_fast+0xc0/0xc0 [ 184.991006] ? add_mm_counter_fast+0xc0/0xc0 [ 184.995405] ? __save_stack_trace+0x8d/0xf0 [ 184.999726] __handle_mm_fault+0x2294/0x4230 [ 185.004131] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 185.008862] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 185.013858] ? save_stack+0x43/0xd0 [ 185.017489] ? __kasan_slab_free+0x102/0x150 [ 185.021879] ? kasan_slab_free+0xe/0x10 [ 185.025843] ? handle_mm_fault+0x35c/0xa00 [ 185.030058] ? lock_downgrade+0x900/0x900 [ 185.034203] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 185.038788] ? debug_smp_processor_id+0x17/0x20 [ 185.043433] ? rcu_is_watching+0x69/0x180 [ 185.047561] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 185.052135] ? handle_mm_fault+0x6d3/0xa00 [ 185.056356] handle_mm_fault+0x415/0xa00 [ 185.060401] ? __handle_mm_fault+0x4230/0x4230 [ 185.064974] __do_page_fault+0x493/0xb80 [ 185.069014] ? mm_fault_error+0x2a0/0x2a0 [ 185.073148] ? kernel_write+0x130/0x130 [ 185.077108] ? do_syscall_64+0xb8/0x980 [ 185.081061] do_page_fault+0xe1/0x6f4 [ 185.084842] ? vmalloc_sync_all+0x20/0x20 [ 185.088972] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 185.093750] ? syscall_return_slowpath+0x4e0/0x4e0 [ 185.098657] ? syscall_return_slowpath+0x215/0x4e0 [ 185.103571] ? prepare_exit_to_usermode+0x300/0x300 [ 185.108565] ? retint_user+0x18/0x18 [ 185.112261] ? page_fault+0x2f/0x50 [ 185.115887] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 185.120731] ? page_fault+0x2f/0x50 [ 185.124342] page_fault+0x45/0x50 [ 185.127785] RIP: 0033:0x7fda2e36b9b0 [ 185.131501] RSP: 002b:00007ffcb127d368 EFLAGS: 00010217 [ 185.136854] RAX: 00007fda2e57101d RBX: 00007fda2e57101d RCX: 0000000000000003 [ 185.144098] RDX: 000000000000001a RSI: 00007ffcb127d6cc RDI: 00007fda2e57101d [ 185.151362] RBP: 0000000000000000 R08: 0000000000000010 R09: 0000000000000000 [ 185.158622] R10: 00007fda2e57101d R11: 00007fda2e57101d R12: 00007fda2e5761c8 [ 185.165882] R13: 00007fda2e575040 R14: 0000000000000000 R15: 00007fda2e576570 [ 185.190654] Mem-Info: [ 185.194205] active_anon:4361 inactive_anon:188 isolated_anon:0 [ 185.194205] active_file:92 inactive_file:127 isolated_file:25 [ 185.194205] unevictable:0 dirty:5 writeback:0 unstable:0 [ 185.194205] slab_reclaimable:12519 slab_unreclaimable:1516453 [ 185.194205] mapped:185 shmem:241 pagetables:468 bounce:0 [ 185.194205] free:24436 free_pcp:230 free_cma:0 [ 185.228997] Node 0 active_anon:17444kB inactive_anon:752kB active_file:368kB inactive_file:608kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:640kB dirty:20kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 185.256689] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 185.287940] lowmem_reserve[]: 0 2833 6339 6339 [ 185.292756] Node 0 DMA32 free:44008kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 185.404919] lowmem_reserve[]: 0 0 3505 3505 [ 185.409300] Node 0 Normal free:37208kB min:37280kB low:46600kB high:55920kB active_anon:17444kB inactive_anon:752kB active_file:544kB inactive_file:224kB unevictable:0kB writepending:20kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7232kB pagetables:1872kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 185.734799] lowmem_reserve[]: 0 0 0 0 [ 185.738656] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 185.929493] Node 0 DMA32: 6*4kB (UM) 2*8kB (M) 2*16kB (ME) 5*32kB (UME) 6*64kB (UME) 6*128kB (UME) 3*256kB (UME) 4*512kB (ME) 5*1024kB (ME) 3*2048kB (UME) 7*4096kB (M) = 44136kB [ 186.004864] Node 0 Normal: 869*4kB (UMEH) 436*8kB (UMEH) 303*16kB (MEH) 115*32kB (UMEH) 63*64kB (M) 49*128kB (UMH) 40*256kB (UME) 4*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 38084kB [ 186.077407] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 186.149856] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 186.214293] 283 total pagecache pages [ 186.218124] 0 pages in swap cache [ 186.262515] Swap cache stats: add 0, delete 0, find 0/0 [ 186.270832] Free swap = 0kB [ 186.278155] Total swap = 0kB [ 186.293964] 1965979 pages RAM [ 186.308108] 0 pages HighMem/MovableOnly [ 186.320700] 338422 pages reserved [ 186.324164] 0 pages cma reserved [ 186.327615] Unreclaimable slab info: [ 186.347265] Name Used Total [ 186.446745] pid_2 103KB 156KB [ 186.498731] TIPC 10KB 14KB [ 186.549575] SCTPv6 14KB 20KB [ 186.614864] DCCPv6 17KB 21KB [ 186.655768] DCCP 15KB 20KB [ 186.694584] bridge_fdb_cache 11KB 15KB [ 186.699954] fib6_nodes 77KB 80KB [ 186.784202] ip6_dst_cache 340KB 682KB [ 186.789573] RAWv6 68KB 78KB [ 186.878750] UDPv6 3KB 3KB [ 186.886149] TCPv6 22KB 22KB [ 186.892549] sd_ext_cdb 0KB 3KB [ 186.899974] scsi_sense_cache 2712KB 2712KB [ 186.906342] virtio_scsi_cmd 16KB 16KB [ 186.911751] sgpool-128 10KB 10KB [ 186.917099] sgpool-64 31KB 31KB [ 186.922504] sgpool-32 7397KB 7397KB [ 186.927839] sgpool-16 2122KB 2122KB [ 186.933194] sgpool-8 5370KB 5370KB [ 186.938555] cfq_io_cq 35KB 35KB [ 186.943940] cfq_queue 73KB 73KB [ 186.949281] mqueue_inode_cache 10KB 21KB [ 186.954776] bio-2 14KB 19KB [ 186.960143] jfs_mp 7KB 7KB [ 186.965486] nfs_commit_data 3KB 7KB [ 186.970848] nfs_write_data 34KB 37KB [ 186.976195] ext4_system_zone 0KB 3KB [ 186.981557] bio-1 1KB 3KB [ 186.986894] pid_namespace 1KB 7KB [ 186.992255] rpc_buffers 17KB 19KB [ 186.997590] rpc_tasks 2KB 3KB [ 187.006048] UNIX 8KB 14KB [ 187.011765] tcp_bind_bucket 1KB 4KB [ 187.017133] ip_fib_trie 11KB 15KB [ 187.022688] ip_fib_alias 52KB 55KB [ 187.028050] ip_dst_cache 1KB 8KB [ 187.033431] RAW 40KB 50KB [ 187.038781] UDP 15KB 23KB [ 187.044223] TCP 39KB 39KB [ 187.049564] hugetlbfs_inode_cache 2KB 7KB [ 187.055274] fscache_cookie_jar 0KB 7KB [ 187.060723] eventpoll_pwq 30KB 51KB [ 187.066059] eventpoll_epi 56KB 94KB [ 187.071416] inotify_inode_mark 44KB 82KB [ 187.076838] request_queue 129KB 137KB [ 187.082190] blkdev_requests 1KB 3KB [ 187.087523] blkdev_ioc 42KB 42KB [ 187.092878] bio-0 7541KB 7541KB [ 187.098225] biovec-(1<<(21-12)) 4331KB 4331KB [ 187.103759] biovec-64 9780KB 9780KB [ 187.109121] biovec-16 2223KB 2223KB [ 187.114477] bio_integrity_payload 1KB 8KB [ 187.120242] khugepaged_mm_slot 0KB 3KB [ 187.125692] dmaengine-unmap-256 2KB 6KB [ 187.159274] dmaengine-unmap-128 1KB 3KB [ 187.177261] dmaengine-unmap-16 0KB 4KB [ 187.235748] dmaengine-unmap-2 0KB 3KB [ 187.241877] skbuff_fclone_cache 7KB 7KB [ 187.247408] skbuff_head_cache 348KB 1518KB [ 187.252776] configfs_dir_cache 0KB 4KB [ 187.258201] file_lock_cache 0KB 3KB [ 187.263579] file_lock_ctx 0KB 3KB [ 187.268927] fsnotify_mark_connector 29KB 51KB [ 187.274804] net_namespace 41KB 41KB [ 187.280625] shmem_inode_cache 5244KB 5781KB [ 187.285968] task_delay_info 83KB 391KB [ 187.291330] taskstats 104KB 160KB [ 187.296666] sigqueue 59KB 350KB [ 187.302027] kernfs_node_cache 10990KB 10993KB [ 187.307365] mnt_cache 4051KB 5472KB [ 187.312724] filp 2408KB 5677KB [ 187.318063] names_cache 59602KB 59602KB [ 187.323426] iint_cache 91KB 91KB [ 187.328780] key_jar 3KB 7KB [ 187.334140] nsproxy 51KB 71KB [ 187.339481] vm_area_struct 4228KB 10437KB [ 187.345163] mm_struct 718KB 2460KB [ 187.351523] fs_cache 76KB 404KB [ 187.357045] files_cache 225KB 705KB [ 187.365950] signal_cache 621KB 1660KB [ 187.371952] sighand_cache 499KB 499KB [ 187.377323] task_struct 2425KB 2468KB [ 187.382747] cred_jar 472KB 2060KB [ 187.388102] anon_vma_chain 2628KB 6028KB [ 187.393596] anon_vma 180KB 342KB [ 187.398967] pid 61KB 284KB [ 187.404521] Acpi-Operand 107KB 178KB [ 187.409866] Acpi-Namespace 19KB 23KB [ 187.415635] numa_policy 0KB 3KB [ 187.421015] debug_objects_cache 951KB 1118KB [ 187.426526] trace_event_file 247KB 251KB [ 187.431915] ftrace_event_field 353KB 354KB [ 187.437351] pool_workqueue 80KB 84KB [ 187.442716] task_group 4KB 7KB [ 187.448076] page->ptl 775KB 2925KB [ 187.453445] kmalloc-4194304 5685248KB 5685248KB [ 187.458783] kmalloc-2097152 2050KB 2050KB [ 187.464301] kmalloc-524288 1028KB 1028KB [ 187.469677] kmalloc-262144 1290KB 1290KB [ 187.478176] kmalloc-131072 650KB 650KB [ 187.483787] kmalloc-65536 264KB 264KB [ 187.489264] kmalloc-32768 1254KB 1254KB [ 187.494820] kmalloc-16384 379KB 379KB [ 187.500221] kmalloc-8192 1782KB 1782KB [ 187.505653] kmalloc-4096 12894KB 12915KB [ 187.511131] kmalloc-2048 53135KB 53135KB [ 187.516492] kmalloc-1024 4662KB 6985KB [ 187.522023] kmalloc-512 2323KB 4860KB [ 187.527366] kmalloc-256 3014KB 3513KB [ 187.532837] kmalloc-128 1182KB 1504KB [ 187.538279] kmalloc-96 2041KB 3556KB [ 187.544422] kmalloc-64 1856KB 2156KB [ 187.549800] kmalloc-32 2193KB 3110KB [ 187.555263] kmalloc-192 850KB 908KB [ 187.560623] kmem_cache 202KB 202KB [ 187.566197] Out of memory: Kill process 21319 (syz-executor0) score 999 or sacrifice child [ 187.575109] Killed process 21320 (syz-executor0) total-vm:37704kB, anon-rss:112kB, file-rss:0kB, shmem-rss:0kB [ 187.606131] oom_reaper: reaped process 21320 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 2019/03/24 16:52:31 executed programs: 3620 [ 188.240670] syz-executor3 invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=1000 [ 188.259527] syz-executor3 cpuset=syz3 mems_allowed=0 [ 188.266511] CPU: 1 PID: 21340 Comm: syz-executor3 Not tainted 4.16.0-rc7+ #1 [ 188.273716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 188.283060] Call Trace: [ 188.285635] dump_stack+0x153/0x201 [ 188.289249] ? arch_local_irq_restore+0x43/0x43 [ 188.293911] dump_header+0x281/0xddc [ 188.297614] ? debug_check_no_locks_freed+0x310/0x310 [ 188.302787] ? oom_reaper.cold.28+0x28/0x28 [ 188.307105] ? print_usage_bug+0xc0/0xc0 [ 188.311152] ? __lock_acquire+0x72e/0x4c60 [ 188.315377] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 188.320378] ? debug_check_no_locks_freed+0x310/0x310 [ 188.325555] ? print_usage_bug+0xc0/0xc0 [ 188.329602] ? ___ratelimit+0x2dd/0x648 [ 188.333579] ? lock_downgrade+0x900/0x900 [ 188.337710] ? lock_release+0x9b0/0x9b0 [ 188.341692] ? mark_held_locks+0xc7/0x130 [ 188.345832] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 188.350923] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 188.355924] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 188.361031] ? ___ratelimit+0x2dd/0x648 [ 188.364988] ? idr_get_free+0x1550/0x1550 [ 188.369130] ? find_held_lock+0x13f/0x1c0 [ 188.373263] oom_kill_process.cold.29+0xb/0x1013 [ 188.378004] ? has_ns_capability_noaudit+0x147/0x250 [ 188.383085] ? lock_downgrade+0x900/0x900 [ 188.387230] ? oom_evaluate_task+0x450/0x450 [ 188.391627] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 188.396193] ? debug_smp_processor_id+0x17/0x20 [ 188.400844] ? rcu_is_watching+0x69/0x180 [ 188.404972] ? __lock_is_held+0xb5/0x140 [ 188.409010] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 188.413578] ? has_ns_capability_noaudit+0x164/0x250 [ 188.418661] ? has_capability+0x20/0x20 [ 188.422632] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 188.427197] ? oom_unkillable_task+0x2e4/0x480 [ 188.431765] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 188.436760] ? has_capability_noaudit+0x12/0x20 [ 188.441406] ? oom_badness+0x5de/0x930 [ 188.445282] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 188.449857] ? find_lock_task_mm+0x430/0x430 [ 188.454260] ? find_held_lock+0x36/0x1c0 [ 188.458307] ? out_of_memory+0xa05/0x10f0 [ 188.462436] ? lock_downgrade+0x900/0x900 [ 188.466563] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 188.471145] ? debug_smp_processor_id+0x17/0x20 [ 188.475792] ? rcu_is_watching+0x69/0x180 [ 188.479920] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 188.484501] ? oom_evaluate_task+0x296/0x450 [ 188.488890] out_of_memory+0x739/0x10f0 [ 188.492851] ? oom_killer_disable+0x2d0/0x2d0 [ 188.497338] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 188.502246] ? rcu_pm_notify+0xc0/0xc0 [ 188.506122] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 188.510618] __alloc_pages_slowpath+0x2387/0x2e80 [ 188.515480] ? warn_alloc+0x120/0x120 [ 188.519290] ? find_held_lock+0x36/0x1c0 [ 188.523338] ? is_bpf_text_address+0x60/0xe0 [ 188.527733] ? lock_downgrade+0x900/0x900 [ 188.531863] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 188.536425] ? rcu_is_watching+0x69/0x180 [ 188.540557] ? debug_smp_processor_id+0x17/0x20 [ 188.545204] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 188.549770] ? kernel_text_address+0x79/0xf0 [ 188.554157] ? unwind_get_return_address+0x61/0xa0 [ 188.559069] ? find_held_lock+0x36/0x1c0 [ 188.563117] ? lock_release+0x9b0/0x9b0 [ 188.567070] ? check_same_owner+0x330/0x330 [ 188.571369] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 188.576714] ? __might_sleep+0x95/0x190 [ 188.580691] __alloc_pages_nodemask+0xaae/0xe10 [ 188.585347] ? debug_smp_processor_id+0x17/0x20 [ 188.590022] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 188.595069] ? rcu_lockdep_current_cpu_online+0x1ae/0x210 [ 188.600583] ? rcu_is_watching+0x69/0x180 [ 188.604708] ? rcu_pm_notify+0xc0/0xc0 [ 188.608611] ? copy_process.part.37+0x15db/0x4e20 [ 188.613444] ? rcu_read_lock_sched_held+0x108/0x120 [ 188.618453] ? kmem_cache_alloc_node+0x383/0x790 [ 188.623192] ? debug_check_no_locks_freed+0x310/0x310 [ 188.628378] copy_process.part.37+0x40a/0x4e20 [ 188.632964] ? __cleanup_sighand+0x30/0x30 [ 188.637178] ? __lock_acquire+0x72e/0x4c60 [ 188.641401] ? mem_cgroup_update_lru_size+0xd0/0xd0 [ 188.646401] ? __lock_acquire+0x72e/0x4c60 [ 188.650645] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 188.655640] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 188.660645] ? __lru_cache_add+0x242/0x450 [ 188.664855] ? find_held_lock+0x36/0x1c0 [ 188.668894] ? __pagevec_lru_add+0x20/0x20 [ 188.673116] ? percpu_ref_put_many+0x11b/0x250 [ 188.677706] ? lock_downgrade+0x900/0x900 [ 188.681843] ? debug_smp_processor_id+0x17/0x20 [ 188.686502] ? lru_cache_add+0x1a3/0x370 [ 188.690553] ? lru_cache_add_file+0x10/0x10 [ 188.694858] ? refill_stock+0x1e0/0x1e0 [ 188.698830] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 188.703827] ? __mem_cgroup_threshold+0x930/0x930 [ 188.708652] ? mark_held_locks+0xc7/0x130 [ 188.712783] ? find_held_lock+0x36/0x1c0 [ 188.716829] ? __handle_mm_fault+0x192d/0x4230 [ 188.721393] ? lock_downgrade+0x900/0x900 [ 188.725538] ? lock_release+0x9b0/0x9b0 [ 188.729500] ? change_protection+0x6b0/0x1ac0 [ 188.733996] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 188.738559] ? pte_val+0xf0/0xf0 [ 188.741910] ? _raw_spin_unlock+0x2c/0x50 [ 188.746038] ? __handle_mm_fault+0x192d/0x4230 [ 188.750602] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 188.755329] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 188.760320] ? SyS_remap_file_pages.cold.33+0x83/0x83 [ 188.765486] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 188.770505] _do_fork+0x1a3/0xe50 [ 188.773941] ? __do_page_fault+0x4bf/0xb80 [ 188.778158] ? fork_idle+0x280/0x280 [ 188.781859] ? handle_mm_fault+0x415/0xa00 [ 188.786077] ? __handle_mm_fault+0x4230/0x4230 [ 188.790647] ? up_read+0x1a/0x40 [ 188.793995] ? __do_page_fault+0x4bf/0xb80 [ 188.798235] ? do_mprotect_pkey+0x622/0x830 [ 188.802572] ? mm_fault_error+0x2a0/0x2a0 [ 188.806702] ? mprotect_fixup+0x670/0x670 [ 188.810839] ? do_syscall_64+0xb8/0x980 [ 188.814832] SyS_clone+0x14/0x20 [ 188.818182] do_syscall_64+0x276/0x980 [ 188.822050] ? vmalloc_sync_all+0x20/0x20 [ 188.826176] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 188.830930] ? syscall_return_slowpath+0x4e0/0x4e0 [ 188.835861] ? syscall_return_slowpath+0x215/0x4e0 [ 188.840785] ? prepare_exit_to_usermode+0x300/0x300 [ 188.845783] ? retint_user+0x18/0x18 [ 188.849477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 188.854313] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 188.859484] RIP: 0033:0x45a089 [ 188.862665] RSP: 002b:00007ffe72f48fe8 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 188.870354] RAX: ffffffffffffffda RBX: 00007f3d11577700 RCX: 000000000045a089 [ 188.877603] RDX: 00007f3d115779d0 RSI: 00007f3d11576db0 RDI: 00000000003d0f00 [ 188.884851] RBP: 00007ffe72f491f0 R08: 00007f3d11577700 R09: 00007f3d11577700 [ 188.892099] R10: 00007f3d115779d0 R11: 0000000000000202 R12: 0000000000000000 [ 188.899363] R13: 00007ffe72f4909f R14: 00007f3d115779c0 R15: 0000000000000001 [ 188.920667] Mem-Info: [ 188.924238] active_anon:4358 inactive_anon:191 isolated_anon:0 [ 188.924238] active_file:92 inactive_file:111 isolated_file:15 [ 188.924238] unevictable:0 dirty:0 writeback:0 unstable:0 [ 188.924238] slab_reclaimable:12536 slab_unreclaimable:1516127 [ 188.924238] mapped:172 shmem:241 pagetables:462 bounce:0 [ 188.924238] free:24271 free_pcp:28 free_cma:0 [ 188.958557] Node 0 active_anon:17432kB inactive_anon:764kB active_file:368kB inactive_file:444kB unevictable:0kB isolated(anon):0kB isolated(file):60kB mapped:688kB dirty:0kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 188.985849] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 189.014600] lowmem_reserve[]: 0 2833 6339 6339 [ 189.019202] Node 0 DMA32 free:44136kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 189.062239] lowmem_reserve[]: 0 0 3505 3505 [ 189.067284] Node 0 Normal free:39144kB min:37280kB low:46600kB high:55920kB active_anon:17404kB inactive_anon:772kB active_file:332kB inactive_file:544kB unevictable:0kB writepending:12kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7200kB pagetables:1844kB bounce:0kB free_pcp:712kB local_pcp:584kB free_cma:0kB [ 189.105436] lowmem_reserve[]: 0 0 0 0 [ 189.109917] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 189.133917] Node 0 DMA32: 6*4kB (UM) 2*8kB (M) 2*16kB (ME) 5*32kB (UME) 6*64kB (UME) 6*128kB (UME) 3*256kB (UME) 4*512kB (ME) 5*1024kB (ME) 3*2048kB (UME) 7*4096kB (M) = 44136kB [ 189.154270] Node 0 Normal: 727*4kB (MEH) 447*8kB (MEH) 353*16kB (UMEH) 118*32kB (UMEH) 72*64kB (UM) 46*128kB (UMH) 40*256kB (UME) 4*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 38692kB [ 189.185350] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 189.204313] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 189.213415] 350 total pagecache pages [ 189.218022] 0 pages in swap cache [ 189.223498] Swap cache stats: add 0, delete 0, find 0/0 [ 189.229421] Free swap = 0kB [ 189.233347] Total swap = 0kB [ 189.236512] 1965979 pages RAM [ 189.239675] 0 pages HighMem/MovableOnly [ 189.243857] 338422 pages reserved [ 189.247378] 0 pages cma reserved [ 189.250859] Unreclaimable slab info: [ 189.254700] Name Used Total [ 189.260636] pid_2 103KB 156KB [ 189.266123] TIPC 10KB 14KB [ 189.271738] SCTPv6 14KB 20KB [ 189.277359] DCCPv6 17KB 21KB [ 189.282835] DCCP 15KB 20KB [ 189.288360] bridge_fdb_cache 11KB 15KB [ 189.295715] fib6_nodes 77KB 80KB [ 189.302830] ip6_dst_cache 350KB 682KB [ 189.311461] RAWv6 68KB 78KB [ 189.316926] UDPv6 3KB 3KB [ 189.354609] TCPv6 22KB 22KB [ 189.370197] sd_ext_cdb 0KB 3KB [ 189.377297] scsi_sense_cache 2792KB 2792KB [ 189.383056] virtio_scsi_cmd 16KB 16KB [ 189.391183] sgpool-128 10KB 10KB [ 189.398844] sgpool-64 31KB 31KB [ 189.404982] sgpool-32 7700KB 7700KB [ 189.418551] sgpool-16 2208KB 2208KB [ 189.430595] sgpool-8 5572KB 5572KB [ 189.443770] cfq_io_cq 35KB 35KB [ 189.457470] cfq_queue 73KB 73KB [ 189.466424] mqueue_inode_cache 10KB 21KB [ 189.472265] bio-2 14KB 19KB [ 189.478270] jfs_mp 7KB 7KB [ 189.487360] nfs_commit_data 3KB 7KB [ 189.493540] nfs_write_data 34KB 37KB [ 189.499801] ext4_system_zone 0KB 3KB [ 189.509298] bio-1 1KB 3KB [ 189.550965] pid_namespace 1KB 7KB [ 189.556735] rpc_buffers 17KB 19KB [ 189.562189] rpc_tasks 2KB 3KB [ 189.567548] UNIX 8KB 14KB [ 189.577018] tcp_bind_bucket 1KB 4KB [ 189.582479] ip_fib_trie 11KB 15KB [ 189.587852] ip_fib_alias 52KB 55KB [ 189.593256] ip_dst_cache 1KB 8KB [ 189.598646] RAW 40KB 50KB [ 189.604636] UDP 15KB 23KB [ 189.610239] TCP 39KB 39KB [ 189.615899] hugetlbfs_inode_cache 2KB 7KB [ 189.621796] fscache_cookie_jar 0KB 7KB [ 189.628518] eventpoll_pwq 30KB 51KB [ 189.633936] eventpoll_epi 56KB 94KB [ 189.639299] inotify_inode_mark 44KB 82KB [ 189.644855] request_queue 129KB 137KB [ 189.650271] blkdev_requests 1KB 3KB [ 189.656526] blkdev_ioc 46KB 46KB [ 189.662012] bio-0 7878KB 7878KB [ 189.667928] biovec-(1<<(21-12)) 4570KB 4570KB [ 189.673633] biovec-64 10158KB 10158KB [ 189.678995] biovec-16 2295KB 2295KB [ 189.684434] bio_integrity_payload 1KB 8KB [ 189.690221] khugepaged_mm_slot 0KB 3KB [ 189.695735] dmaengine-unmap-256 2KB 6KB [ 189.701323] dmaengine-unmap-128 1KB 3KB [ 189.706861] dmaengine-unmap-16 0KB 4KB [ 189.712396] dmaengine-unmap-2 0KB 3KB [ 189.717761] skbuff_fclone_cache 7KB 7KB [ 189.724176] skbuff_head_cache 348KB 1518KB [ 189.729981] configfs_dir_cache 0KB 4KB [ 189.737550] file_lock_cache 0KB 3KB [ 189.743012] file_lock_ctx 0KB 3KB [ 189.748381] fsnotify_mark_connector 29KB 51KB [ 189.755468] net_namespace 41KB 41KB [ 189.761310] shmem_inode_cache 5244KB 5781KB [ 189.766739] task_delay_info 83KB 391KB [ 189.773208] taskstats 104KB 160KB [ 189.779394] sigqueue 59KB 350KB [ 189.785092] kernfs_node_cache 10990KB 10993KB [ 189.790819] mnt_cache 3916KB 5408KB [ 189.796181] filp 2323KB 5632KB [ 189.802088] names_cache 57073KB 57073KB [ 189.808195] iint_cache 91KB 91KB [ 189.814284] key_jar 3KB 7KB [ 189.819661] nsproxy 49KB 71KB [ 189.825113] vm_area_struct 4033KB 10340KB [ 189.830534] mm_struct 718KB 2460KB [ 189.835893] fs_cache 76KB 404KB [ 189.841292] files_cache 225KB 705KB [ 189.847237] signal_cache 621KB 1660KB [ 189.853692] sighand_cache 499KB 499KB [ 189.859084] task_struct 2376KB 2431KB [ 189.864508] cred_jar 472KB 2060KB [ 189.869865] anon_vma_chain 2471KB 6016KB [ 189.875256] anon_vma 194KB 342KB [ 189.880779] pid 61KB 284KB [ 189.887625] Acpi-Operand 107KB 178KB [ 189.893072] Acpi-Namespace 19KB 23KB [ 189.898461] numa_policy 0KB 3KB [ 189.907014] debug_objects_cache 950KB 1118KB [ 189.914493] trace_event_file 247KB 251KB [ 189.922648] ftrace_event_field 353KB 354KB [ 189.929441] pool_workqueue 80KB 84KB [ 189.936559] task_group 4KB 7KB [ 189.942889] page->ptl 739KB 2925KB [ 189.948578] kmalloc-4194304 5685248KB 5685248KB [ 189.954261] kmalloc-2097152 2050KB 2050KB [ 189.959829] kmalloc-524288 1028KB 1028KB [ 189.965407] kmalloc-262144 1290KB 1290KB [ 189.971436] kmalloc-131072 650KB 650KB [ 189.976920] kmalloc-65536 264KB 264KB [ 189.982547] kmalloc-32768 1254KB 1254KB [ 189.987910] kmalloc-16384 379KB 379KB [ 189.993404] kmalloc-8192 1782KB 1782KB [ 189.998833] kmalloc-4096 12452KB 12490KB [ 190.004239] kmalloc-2048 55366KB 55366KB [ 190.009663] kmalloc-1024 4662KB 6985KB [ 190.015550] kmalloc-512 2323KB 4860KB [ 190.021087] kmalloc-256 3014KB 3513KB [ 190.026613] kmalloc-128 1182KB 1504KB [ 190.032170] kmalloc-96 2041KB 3556KB [ 190.038458] kmalloc-64 1856KB 2156KB [ 190.044017] kmalloc-32 2148KB 3110KB [ 190.049540] kmalloc-192 844KB 908KB [ 190.055094] kmem_cache 202KB 202KB [ 190.061421] Out of memory: Kill process 21337 (syz-executor1) score 999 or sacrifice child [ 190.452651] syz-executor5 invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 190.519607] syz-executor5 cpuset=syz5 mems_allowed=0 [ 190.524812] CPU: 1 PID: 21369 Comm: syz-executor5 Not tainted 4.16.0-rc7+ #1 [ 190.531985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 190.541318] Call Trace: [ 190.543899] dump_stack+0x153/0x201 [ 190.547535] ? arch_local_irq_restore+0x43/0x43 [ 190.552200] dump_header+0x281/0xddc [ 190.555944] ? debug_check_no_locks_freed+0x310/0x310 [ 190.561125] ? oom_reaper.cold.28+0x28/0x28 [ 190.565439] ? print_usage_bug+0xc0/0xc0 [ 190.571832] ? __lock_acquire+0x72e/0x4c60 [ 190.576051] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 190.581072] ? debug_check_no_locks_freed+0x310/0x310 [ 190.586251] ? print_usage_bug+0xc0/0xc0 [ 190.590300] ? ___ratelimit+0x2dd/0x648 [ 190.594269] ? lock_downgrade+0x900/0x900 [ 190.598398] ? lock_release+0x9b0/0x9b0 [ 190.602357] ? mark_held_locks+0xc7/0x130 [ 190.606490] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 190.611579] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 190.616576] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 190.621667] ? ___ratelimit+0x2dd/0x648 [ 190.625623] ? idr_get_free+0x1550/0x1550 [ 190.629750] ? find_held_lock+0x13f/0x1c0 [ 190.633901] oom_kill_process.cold.29+0xb/0x1013 [ 190.638644] ? has_ns_capability_noaudit+0x147/0x250 [ 190.643734] ? lock_downgrade+0x900/0x900 [ 190.647864] ? oom_evaluate_task+0x450/0x450 [ 190.652257] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 190.656824] ? debug_smp_processor_id+0x17/0x20 [ 190.661476] ? rcu_is_watching+0x69/0x180 [ 190.665663] ? __lock_is_held+0xb5/0x140 [ 190.669715] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 190.674296] ? has_ns_capability_noaudit+0x164/0x250 [ 190.679392] ? has_capability+0x20/0x20 [ 190.683350] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 190.687914] ? oom_unkillable_task+0x2e4/0x480 [ 190.692502] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 190.697511] ? has_capability_noaudit+0x12/0x20 [ 190.702175] ? oom_badness+0x5de/0x930 [ 190.706042] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 190.710608] ? find_lock_task_mm+0x430/0x430 [ 190.714998] ? find_held_lock+0x36/0x1c0 [ 190.719055] ? out_of_memory+0xa05/0x10f0 [ 190.723186] ? lock_downgrade+0x900/0x900 [ 190.727319] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 190.731885] ? debug_smp_processor_id+0x17/0x20 [ 190.736533] ? rcu_is_watching+0x69/0x180 [ 190.740663] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 190.745230] ? oom_evaluate_task+0x296/0x450 [ 190.749623] out_of_memory+0x739/0x10f0 [ 190.753589] ? oom_killer_disable+0x2d0/0x2d0 [ 190.758068] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 190.762978] ? rcu_pm_notify+0xc0/0xc0 [ 190.766853] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 190.771334] __alloc_pages_slowpath+0x2387/0x2e80 [ 190.776174] ? warn_alloc+0x120/0x120 [ 190.779959] ? print_usage_bug+0xc0/0xc0 [ 190.783997] ? warn_alloc+0x120/0x120 [ 190.787790] ? print_usage_bug+0xc0/0xc0 [ 190.791837] ? print_usage_bug+0xc0/0xc0 [ 190.795877] ? do_wp_page+0x9c4/0x1630 [ 190.799745] ? lock_downgrade+0x900/0x900 [ 190.803890] ? __lock_acquire+0x72e/0x4c60 [ 190.808123] ? find_held_lock+0x36/0x1c0 [ 190.812176] ? lock_release+0x9b0/0x9b0 [ 190.816136] ? check_same_owner+0x330/0x330 [ 190.820457] ? __might_sleep+0x95/0x190 [ 190.824424] __alloc_pages_nodemask+0xaae/0xe10 [ 190.829075] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 190.834076] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 190.839070] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 190.844117] ? find_held_lock+0x36/0x1c0 [ 190.848166] ? ____cache_alloc_node+0x1c7/0x1e0 [ 190.852820] ? lock_downgrade+0x900/0x900 [ 190.856951] ? cache_grow_begin+0x53d/0x720 [ 190.861250] cache_grow_begin+0x81/0x720 [ 190.865305] fallback_alloc+0x203/0x2c0 [ 190.869268] ____cache_alloc_node+0x1c7/0x1e0 [ 190.873745] kmem_cache_alloc+0x1f8/0x790 [ 190.877885] getname_flags+0xb8/0x520 [ 190.881668] ? up_read+0x1a/0x40 [ 190.885019] user_path_at_empty+0x1e/0x40 [ 190.889151] SyS_chdir+0xa8/0x1e0 [ 190.892590] ? SyS_access+0x650/0x650 [ 190.896384] ? do_syscall_64+0xb8/0x980 [ 190.900347] do_syscall_64+0x276/0x980 [ 190.904221] ? vmalloc_sync_all+0x20/0x20 [ 190.908348] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 190.913102] ? syscall_return_slowpath+0x4e0/0x4e0 [ 190.918014] ? syscall_return_slowpath+0x215/0x4e0 [ 190.922926] ? prepare_exit_to_usermode+0x300/0x300 [ 190.927931] ? retint_user+0x18/0x18 [ 190.931631] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 190.936460] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 190.941648] RIP: 0033:0x456ca7 [ 190.944822] RSP: 002b:00007ffd98c99b38 EFLAGS: 00000246 ORIG_RAX: 0000000000000050 [ 190.952517] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000456ca7 [ 190.959767] RDX: 0000000000000001 RSI: 000000000070ce90 RDI: 00007ffd98c99b80 [ 190.967020] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000001037940 [ 190.974273] R10: 0000000001037c10 R11: 0000000000000246 R12: 0000000000000000 [ 190.981527] R13: 0000000000000001 R14: 000000000000025a R15: 0000000000000005 [ 190.990107] Mem-Info: [ 190.993006] active_anon:4336 inactive_anon:191 isolated_anon:0 [ 190.993006] active_file:72 inactive_file:105 isolated_file:15 [ 190.993006] unevictable:0 dirty:2 writeback:2 unstable:0 [ 190.993006] slab_reclaimable:12554 slab_unreclaimable:1515768 [ 190.993006] mapped:113 shmem:241 pagetables:426 bounce:0 [ 190.993006] free:24494 free_pcp:30 free_cma:0 [ 191.028157] Node 0 active_anon:17344kB inactive_anon:764kB active_file:288kB inactive_file:460kB unevictable:0kB isolated(anon):0kB isolated(file):56kB mapped:252kB dirty:8kB writeback:8kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 191.067079] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 191.093254] lowmem_reserve[]: 0 2833 6339 6339 [ 191.097825] Node 0 DMA32 free:44152kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 191.125547] lowmem_reserve[]: 0 0 3505 3505 [ 191.129871] Node 0 Normal free:36872kB min:37280kB low:46600kB high:55920kB active_anon:17372kB inactive_anon:764kB active_file:140kB inactive_file:588kB unevictable:0kB writepending:4kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7136kB pagetables:1820kB bounce:0kB free_pcp:964kB local_pcp:332kB free_cma:0kB [ 191.159100] lowmem_reserve[]: 0 0 0 0 [ 191.163160] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 191.176907] Node 0 DMA32: 6*4kB (UM) 4*8kB (UM) 2*16kB (ME) 5*32kB (UME) 6*64kB (UME) 6*128kB (UME) 3*256kB (UME) 4*512kB (ME) 5*1024kB (ME) 3*2048kB (UME) 7*4096kB (M) = 44152kB [ 191.193561] Node 0 Normal: 545*4kB (UMEH) 465*8kB (UMEH) 300*16kB (UMEH) 124*32kB (UMEH) 76*64kB (UM) 47*128kB (UMH) 40*256kB (UME) 4*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 37836kB [ 191.210114] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 191.219647] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 191.232218] 392 total pagecache pages [ 191.236764] 0 pages in swap cache [ 191.240855] Swap cache stats: add 0, delete 0, find 0/0 [ 191.246825] Free swap = 0kB [ 191.252176] Total swap = 0kB [ 191.255691] 1965979 pages RAM [ 191.259385] 0 pages HighMem/MovableOnly [ 191.264005] 338422 pages reserved [ 191.268065] 0 pages cma reserved [ 191.280297] Unreclaimable slab info: [ 191.286323] Name Used Total [ 191.292095] pid_2 101KB 156KB [ 191.298429] TIPC 10KB 14KB [ 191.349059] SCTPv6 14KB 20KB [ 191.366003] DCCPv6 17KB 21KB [ 191.395788] DCCP 15KB 20KB [ 191.430208] bridge_fdb_cache 11KB 15KB [ 191.435593] fib6_nodes 77KB 80KB [ 191.471676] ip6_dst_cache 346KB 682KB [ 191.477063] RAWv6 68KB 78KB [ 191.495102] UDPv6 3KB 3KB [ 191.572414] TCPv6 22KB 22KB [ 191.607301] sd_ext_cdb 0KB 3KB [ 191.628052] scsi_sense_cache 2892KB 2892KB [ 191.650794] virtio_scsi_cmd 16KB 16KB [ 191.662335] sgpool-128 10KB 10KB [ 191.675114] sgpool-64 28KB 31KB [ 191.686497] sgpool-32 8098KB 8098KB [ 191.711788] sgpool-16 2302KB 2302KB [ 191.717194] sgpool-8 5827KB 5827KB [ 191.777787] cfq_io_cq 35KB 35KB [ 191.784810] cfq_queue 77KB 77KB [ 191.790660] mqueue_inode_cache 10KB 21KB [ 191.797013] bio-2 14KB 19KB [ 191.803326] jfs_mp 7KB 7KB [ 191.809431] nfs_commit_data 3KB 7KB [ 191.815237] nfs_write_data 34KB 37KB [ 191.821041] ext4_system_zone 0KB 3KB [ 191.826629] bio-1 1KB 3KB [ 191.832586] pid_namespace 1KB 7KB [ 191.838611] rpc_buffers 17KB 19KB [ 191.844607] rpc_tasks 2KB 3KB [ 191.850829] UNIX 8KB 14KB [ 191.856691] tcp_bind_bucket 1KB 4KB [ 191.866082] ip_fib_trie 11KB 15KB [ 191.873307] ip_fib_alias 52KB 55KB [ 191.892137] ip_dst_cache 1KB 8KB [ 191.909104] RAW 40KB 50KB [ 191.917869] UDP 15KB 23KB [ 191.935187] TCP 39KB 39KB [ 191.941191] hugetlbfs_inode_cache 2KB 7KB [ 191.951991] fscache_cookie_jar 0KB 7KB [ 191.957581] eventpoll_pwq 30KB 51KB [ 191.963188] eventpoll_epi 56KB 94KB [ 191.968716] inotify_inode_mark 42KB 82KB [ 191.974941] request_queue 129KB 137KB [ 191.980442] blkdev_requests 1KB 3KB [ 191.985885] blkdev_ioc 46KB 46KB [ 191.997205] bio-0 8242KB 8242KB [ 192.003817] biovec-(1<<(21-12)) 4644KB 4644KB [ 192.010413] biovec-64 10418KB 10418KB [ 192.015775] biovec-16 2366KB 2366KB [ 192.063998] bio_integrity_payload 1KB 8KB [ 192.069732] khugepaged_mm_slot 0KB 3KB [ 192.094527] dmaengine-unmap-256 2KB 6KB [ 192.106120] dmaengine-unmap-128 1KB 3KB [ 192.128270] dmaengine-unmap-16 0KB 4KB [ 192.145091] dmaengine-unmap-2 0KB 3KB [ 192.150594] skbuff_fclone_cache 6KB 7KB [ 192.156228] skbuff_head_cache 334KB 1507KB [ 192.162458] configfs_dir_cache 0KB 4KB [ 192.168033] file_lock_cache 0KB 3KB [ 192.174146] file_lock_ctx 0KB 3KB [ 192.180360] fsnotify_mark_connector 29KB 51KB [ 192.187003] net_namespace 41KB 41KB [ 192.193078] shmem_inode_cache 5203KB 5734KB [ 192.200626] task_delay_info 82KB 391KB [ 192.206657] taskstats 103KB 160KB [ 192.220872] sigqueue 59KB 350KB [ 192.226895] kernfs_node_cache 10990KB 10993KB [ 192.232998] mnt_cache 3862KB 5396KB [ 192.238468] filp 2239KB 5583KB [ 192.244568] names_cache 54918KB 54956KB [ 192.250078] iint_cache 95KB 95KB [ 192.255531] key_jar 3KB 7KB [ 192.267136] nsproxy 48KB 71KB [ 192.272618] vm_area_struct 3887KB 10267KB [ 192.278001] mm_struct 687KB 2398KB [ 192.283407] fs_cache 75KB 404KB [ 192.288867] files_cache 222KB 697KB [ 192.294234] signal_cache 592KB 1581KB [ 192.299589] sighand_cache 499KB 499KB [ 192.304996] task_struct 2326KB 2382KB [ 192.310392] cred_jar 448KB 2040KB [ 192.315741] anon_vma_chain 2418KB 6004KB [ 192.321129] anon_vma 194KB 342KB [ 192.326467] pid 61KB 284KB [ 192.331830] Acpi-Operand 107KB 178KB [ 192.337173] Acpi-Namespace 19KB 23KB [ 192.342563] numa_policy 0KB 3KB [ 192.347985] debug_objects_cache 942KB 1118KB [ 192.356918] trace_event_file 247KB 251KB [ 192.423696] ftrace_event_field 353KB 354KB [ 192.500140] pool_workqueue 80KB 84KB [ 192.505521] task_group 4KB 7KB [ 192.589519] page->ptl 729KB 2925KB [ 192.597133] kmalloc-4194304 5685248KB 5685248KB [ 192.602552] kmalloc-2097152 2050KB 2050KB [ 192.617155] kmalloc-524288 1028KB 1028KB [ 192.622571] kmalloc-262144 1290KB 1290KB [ 192.627979] kmalloc-131072 650KB 650KB [ 192.633439] kmalloc-65536 264KB 264KB [ 192.638820] kmalloc-32768 1254KB 1254KB [ 192.644350] kmalloc-16384 379KB 379KB [ 192.649713] kmalloc-8192 1782KB 1782KB [ 192.655144] kmalloc-4096 12316KB 12354KB [ 192.660585] kmalloc-2048 56170KB 56170KB [ 192.665950] kmalloc-1024 4662KB 6985KB [ 192.671369] kmalloc-512 2296KB 4822KB [ 192.676742] kmalloc-256 3000KB 3506KB [ 192.682149] kmalloc-128 1164KB 1504KB [ 192.687524] kmalloc-96 2041KB 3556KB [ 192.692914] kmalloc-64 1856KB 2156KB [ 192.698275] kmalloc-32 2141KB 3110KB [ 192.740286] kmalloc-192 841KB 908KB [ 192.764821] kmem_cache 202KB 202KB [ 192.775202] Out of memory: Kill process 21363 (syz-executor1) score 999 or sacrifice child [ 192.811027] Killed process 21363 (syz-executor1) total-vm:37704kB, anon-rss:88kB, file-rss:0kB, shmem-rss:0kB [ 192.859174] syz-executor0 invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=1000 [ 192.886052] syz-executor0 cpuset=syz0 mems_allowed=0 [ 192.891520] CPU: 0 PID: 21366 Comm: syz-executor0 Not tainted 4.16.0-rc7+ #1 [ 192.898700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 192.908077] Call Trace: [ 192.910673] dump_stack+0x153/0x201 [ 192.914298] ? arch_local_irq_restore+0x43/0x43 [ 192.918973] dump_header+0x281/0xddc [ 192.922685] ? debug_check_no_locks_freed+0x310/0x310 [ 192.927854] ? oom_reaper.cold.28+0x28/0x28 [ 192.932153] ? print_usage_bug+0xc0/0xc0 [ 192.936188] ? __lock_acquire+0x72e/0x4c60 [ 192.940399] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 192.945434] ? debug_check_no_locks_freed+0x310/0x310 [ 192.950604] ? print_usage_bug+0xc0/0xc0 [ 192.954640] ? ___ratelimit+0x2dd/0x648 [ 192.958600] ? lock_downgrade+0x900/0x900 [ 192.962728] ? lock_release+0x9b0/0x9b0 [ 192.966676] ? mark_held_locks+0xc7/0x130 [ 192.970801] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 192.975879] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 192.980872] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 192.985952] ? ___ratelimit+0x2dd/0x648 [ 192.989918] ? idr_get_free+0x1550/0x1550 [ 192.994062] ? find_held_lock+0x13f/0x1c0 [ 192.998185] oom_kill_process.cold.29+0xb/0x1013 [ 193.002919] ? has_ns_capability_noaudit+0x147/0x250 [ 193.008007] ? lock_downgrade+0x900/0x900 [ 193.012132] ? oom_evaluate_task+0x450/0x450 [ 193.016513] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 193.021067] ? debug_smp_processor_id+0x17/0x20 [ 193.025711] ? rcu_is_watching+0x69/0x180 [ 193.029836] ? __lock_is_held+0xb5/0x140 [ 193.033870] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 193.038443] ? has_ns_capability_noaudit+0x164/0x250 [ 193.043521] ? has_capability+0x20/0x20 [ 193.047465] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 193.052023] ? oom_unkillable_task+0x2e4/0x480 [ 193.056575] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 193.061566] ? has_capability_noaudit+0x12/0x20 [ 193.066217] ? oom_badness+0x5de/0x930 [ 193.070075] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 193.074631] ? find_lock_task_mm+0x430/0x430 [ 193.079015] ? find_held_lock+0x36/0x1c0 [ 193.083053] ? out_of_memory+0xa05/0x10f0 [ 193.087173] ? lock_downgrade+0x900/0x900 [ 193.091298] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 193.095850] ? debug_smp_processor_id+0x17/0x20 [ 193.100492] ? rcu_is_watching+0x69/0x180 [ 193.104613] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 193.109165] ? oom_evaluate_task+0x296/0x450 [ 193.113559] out_of_memory+0x739/0x10f0 [ 193.117520] ? oom_killer_disable+0x2d0/0x2d0 [ 193.121989] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 193.126893] ? rcu_pm_notify+0xc0/0xc0 [ 193.130756] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 193.135229] __alloc_pages_slowpath+0x2387/0x2e80 [ 193.140060] ? warn_alloc+0x120/0x120 [ 193.143848] ? find_held_lock+0x36/0x1c0 [ 193.147884] ? is_bpf_text_address+0x60/0xe0 [ 193.152268] ? lock_downgrade+0x900/0x900 [ 193.156390] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 193.160958] ? rcu_is_watching+0x69/0x180 [ 193.165076] ? debug_smp_processor_id+0x17/0x20 [ 193.169725] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 193.174299] ? kernel_text_address+0x79/0xf0 [ 193.178678] ? unwind_get_return_address+0x61/0xa0 [ 193.183580] ? find_held_lock+0x36/0x1c0 [ 193.187620] ? lock_release+0x9b0/0x9b0 [ 193.191567] ? check_same_owner+0x330/0x330 [ 193.195859] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 193.201198] ? __might_sleep+0x95/0x190 [ 193.205163] __alloc_pages_nodemask+0xaae/0xe10 [ 193.209800] ? debug_smp_processor_id+0x17/0x20 [ 193.214441] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 193.219446] ? rcu_lockdep_current_cpu_online+0x1ae/0x210 [ 193.224953] ? rcu_is_watching+0x69/0x180 [ 193.229070] ? rcu_pm_notify+0xc0/0xc0 [ 193.232936] ? copy_process.part.37+0x15db/0x4e20 [ 193.237750] ? rcu_read_lock_sched_held+0x108/0x120 [ 193.242741] ? kmem_cache_alloc_node+0x383/0x790 [ 193.247466] ? debug_check_no_locks_freed+0x310/0x310 [ 193.252631] copy_process.part.37+0x40a/0x4e20 [ 193.257191] ? __cleanup_sighand+0x30/0x30 [ 193.261400] ? __lock_acquire+0x72e/0x4c60 [ 193.265608] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 193.270599] ? mem_cgroup_update_lru_size+0xd0/0xd0 [ 193.275590] ? __lock_acquire+0x72e/0x4c60 [ 193.279798] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 193.284787] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 193.289800] ? __lru_cache_add+0x242/0x450 [ 193.294010] ? find_held_lock+0x36/0x1c0 [ 193.298043] ? __pagevec_lru_add+0x20/0x20 [ 193.302254] ? percpu_ref_put_many+0x11b/0x250 [ 193.306818] ? lock_downgrade+0x900/0x900 [ 193.310951] ? debug_smp_processor_id+0x17/0x20 [ 193.315594] ? lru_cache_add+0x1a3/0x370 [ 193.319626] ? lru_cache_add_file+0x10/0x10 [ 193.323920] ? refill_stock+0x1e0/0x1e0 [ 193.327868] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 193.332857] ? __mem_cgroup_threshold+0x930/0x930 [ 193.337686] ? mark_held_locks+0xc7/0x130 [ 193.341810] ? find_held_lock+0x36/0x1c0 [ 193.345848] ? __handle_mm_fault+0x192d/0x4230 [ 193.350403] ? lock_downgrade+0x900/0x900 [ 193.354528] ? lock_release+0x9b0/0x9b0 [ 193.358472] ? change_protection+0x6b0/0x1ac0 [ 193.362942] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 193.367513] ? pte_val+0xf0/0xf0 [ 193.370860] ? _raw_spin_unlock+0x2c/0x50 [ 193.374978] ? __handle_mm_fault+0x192d/0x4230 [ 193.379534] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 193.384263] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 193.389257] ? SyS_remap_file_pages.cold.33+0x83/0x83 [ 193.394416] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 193.399410] _do_fork+0x1a3/0xe50 [ 193.402841] ? __do_page_fault+0x4bf/0xb80 [ 193.407045] ? fork_idle+0x280/0x280 [ 193.410739] ? handle_mm_fault+0x415/0xa00 [ 193.414947] ? __handle_mm_fault+0x4230/0x4230 [ 193.419503] ? up_read+0x1a/0x40 [ 193.422847] ? __do_page_fault+0x4bf/0xb80 [ 193.427055] ? do_mprotect_pkey+0x622/0x830 [ 193.431367] ? mm_fault_error+0x2a0/0x2a0 [ 193.435490] ? mprotect_fixup+0x670/0x670 [ 193.439612] ? do_syscall_64+0xb8/0x980 [ 193.443572] SyS_clone+0x14/0x20 [ 193.446908] do_syscall_64+0x276/0x980 [ 193.450779] ? vmalloc_sync_all+0x20/0x20 [ 193.454912] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 193.459638] ? syscall_return_slowpath+0x4e0/0x4e0 [ 193.464541] ? syscall_return_slowpath+0x215/0x4e0 [ 193.469440] ? prepare_exit_to_usermode+0x300/0x300 [ 193.474428] ? retint_user+0x18/0x18 [ 193.478114] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 193.482931] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 193.488087] RIP: 0033:0x45a089 [ 193.491246] RSP: 002b:00007ffcfd6a2f08 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 193.498922] RAX: ffffffffffffffda RBX: 00007f22b2f23700 RCX: 000000000045a089 [ 193.506162] RDX: 00007f22b2f239d0 RSI: 00007f22b2f22db0 RDI: 00000000003d0f00 [ 193.513402] RBP: 00007ffcfd6a3110 R08: 00007f22b2f23700 R09: 00007f22b2f23700 [ 193.520660] R10: 00007f22b2f239d0 R11: 0000000000000202 R12: 0000000000000000 [ 193.527912] R13: 00007ffcfd6a2fbf R14: 00007f22b2f239c0 R15: 0000000000000001 [ 193.537576] Mem-Info: [ 193.540004] active_anon:4344 inactive_anon:191 isolated_anon:0 [ 193.540004] active_file:6 inactive_file:51 isolated_file:0 [ 193.540004] unevictable:0 dirty:0 writeback:0 unstable:0 [ 193.540004] slab_reclaimable:12598 slab_unreclaimable:1515700 [ 193.540004] mapped:28 shmem:241 pagetables:455 bounce:0 [ 193.540004] free:24505 free_pcp:1 free_cma:0 [ 193.967542] Node 0 active_anon:17312kB inactive_anon:764kB active_file:100kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:40kB dirty:0kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 194.021222] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 194.052020] lowmem_reserve[]: 0 2833 6339 6339 [ 194.056794] Node 0 DMA32 free:44152kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 194.086181] lowmem_reserve[]: 0 0 3505 3505 [ 194.092897] Node 0 Normal free:39136kB min:37280kB low:46600kB high:55920kB active_anon:17312kB inactive_anon:764kB active_file:32kB inactive_file:348kB unevictable:0kB writepending:0kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7104kB pagetables:1788kB bounce:0kB free_pcp:636kB local_pcp:260kB free_cma:0kB [ 194.164114] lowmem_reserve[]: 0 0 0 0 [ 194.167953] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 194.181652] Node 0 DMA32: 6*4kB (UM) 4*8kB (UM) 2*16kB (ME) 5*32kB (UME) 6*64kB (UME) 6*128kB (UME) 3*256kB (UME) 4*512kB (ME) 5*1024kB (ME) 3*2048kB (UME) 7*4096kB (M) = 44152kB [ 194.197785] Node 0 Normal: 309*4kB (UMEH) 781*8kB (UMEH) 337*16kB (UMEH) 123*32kB (UMEH) 76*64kB (UM) 47*128kB (UMH) 40*256kB (UME) 4*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 39980kB [ 194.214199] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 194.223083] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 194.231667] 439 total pagecache pages [ 194.235451] 0 pages in swap cache [ 194.238873] Swap cache stats: add 0, delete 0, find 0/0 [ 194.244258] Free swap = 0kB [ 194.247250] Total swap = 0kB [ 194.250299] 1965979 pages RAM [ 194.253421] 0 pages HighMem/MovableOnly [ 194.257387] 338422 pages reserved [ 194.260856] 0 pages cma reserved [ 194.264217] Unreclaimable slab info: [ 194.267919] Name Used Total [ 194.284690] pid_2 100KB 156KB [ 194.292528] TIPC 10KB 14KB [ 194.307630] SCTPv6 14KB 20KB [ 194.331023] syz-executor5: page allocation failure: order:1, mode:0x14050c0(GFP_KERNEL|__GFP_NORETRY|__GFP_COMP), nodemask=(null) [ 194.333942] DCCPv6 17KB 21KB [ 194.346873] syz-executor5 cpuset=syz5 mems_allowed=0 [ 194.355022] CPU: 1 PID: 5581 Comm: syz-executor5 Not tainted 4.16.0-rc7+ #1 [ 194.361361] DCCP 15KB 20KB [ 194.362124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 194.362128] Call Trace: [ 194.362141] dump_stack+0x153/0x201 [ 194.362150] ? arch_local_irq_restore+0x43/0x43 [ 194.362165] warn_alloc.cold.116+0xb7/0x1bd [ 194.362171] ? zone_watermark_ok_safe+0x410/0x410 [ 194.362183] ? drain_all_pages+0xa0/0x680 [ 194.362203] __alloc_pages_slowpath+0x274f/0x2e80 [ 194.362213] ? __lock_acquire+0x72e/0x4c60 [ 194.362234] ? warn_alloc+0x120/0x120 [ 194.362248] ? print_usage_bug+0xc0/0xc0 [ 194.362254] ? warn_alloc+0x120/0x120 [ 194.362260] ? print_usage_bug+0xc0/0xc0 [ 194.362268] ? print_usage_bug+0xc0/0xc0 [ 194.362277] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 194.368675] bridge_fdb_cache 11KB 15KB [ 194.376979] ? __lock_is_held+0xb5/0x140 [ 194.376995] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 194.377011] ? find_held_lock+0x36/0x1c0 [ 194.377025] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 194.377032] ? lock_release+0x9b0/0x9b0 [ 194.377038] ? check_same_owner+0x330/0x330 [ 194.377050] ? __might_sleep+0x95/0x190 [ 194.377059] __alloc_pages_nodemask+0xaae/0xe10 [ 194.377065] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 194.380923] fib6_nodes 77KB 80KB [ 194.383255] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 194.383261] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 194.383275] ? find_held_lock+0x36/0x1c0 [ 194.383287] ? ____cache_alloc_node+0x1c7/0x1e0 [ 194.383293] ? lock_downgrade+0x900/0x900 [ 194.383301] ? cache_grow_begin+0x53d/0x720 [ 194.383311] cache_grow_begin+0x81/0x720 [ 194.383324] fallback_alloc+0x203/0x2c0 [ 194.383333] ____cache_alloc_node+0x1c7/0x1e0 [ 194.383343] kmem_cache_alloc_node_trace+0xe7/0x780 [ 194.383350] ? apparmor_bprm_committing_creds+0x300/0x300 [ 194.383363] __kmalloc_node+0x33/0x70 [ 194.383372] kvmalloc_node+0x70/0x80 [ 194.383382] xt_alloc_table_info+0x1f/0x70 [ 194.383390] do_ip6t_set_ctl+0x248/0x55a [ 194.383398] ? compat_do_ip6t_set_ctl+0x130/0x130 [ 194.383414] ? mutex_unlock+0xd/0x10 [ 194.383421] ? nf_sockopt_find.constprop.0+0x17a/0x1f0 [ 194.383430] nf_setsockopt+0x62/0xc0 [ 194.383440] ipv6_setsockopt+0x95/0xf0 [ 194.383449] tcp_setsockopt+0x6f/0xd0 [ 194.388801] ip6_dst_cache 356KB 682KB [ 194.392427] sock_common_setsockopt+0x78/0xf0 [ 194.392437] SyS_setsockopt+0x178/0x340 [ 194.392444] ? __do_page_fault+0x4bf/0xb80 [ 194.392453] ? SyS_recv+0x20/0x20 [ 194.392460] ? mm_fault_error+0x2a0/0x2a0 [ 194.392466] ? move_addr_to_kernel+0x20/0x20 [ 194.392474] ? do_syscall_64+0xb8/0x980 [ 194.392485] do_syscall_64+0x276/0x980 [ 194.392490] ? vmalloc_sync_all+0x20/0x20 [ 194.392503] ? syscall_slow_exit_work+0x420/0x420 [ 194.392511] ? syscall_return_slowpath+0x4e0/0x4e0 [ 194.392517] ? syscall_return_slowpath+0x215/0x4e0 [ 194.392526] ? retint_user+0x18/0x18 [ 194.398388] RAWv6 68KB 78KB [ 194.401493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 194.401512] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 194.401518] RIP: 0033:0x45a20a [ 194.401522] RSP: 002b:00007ffd98c993a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000036 [ 194.401529] RAX: ffffffffffffffda RBX: 00007ffd98c993d0 RCX: 000000000045a20a [ 194.401533] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 194.401537] RBP: 000000000070acc0 R08: 0000000000000558 R09: 0000000000004000 [ 194.401540] R10: 00000000007098e0 R11: 0000000000000202 R12: 0000000000000003 [ 194.401543] R13: 0000000000000000 R14: 0000000000000029 R15: 0000000000709880 [ 194.403001] Mem-Info: [ 194.431655] active_anon:4303 inactive_anon:191 isolated_anon:0 [ 194.431655] active_file:199 inactive_file:1009 isolated_file:12 [ 194.431655] unevictable:0 dirty:25 writeback:0 unstable:0 [ 194.431655] slab_reclaimable:12589 slab_unreclaimable:1515218 [ 194.431655] mapped:849 shmem:241 pagetables:447 bounce:0 [ 194.431655] free:25082 free_pcp:235 free_cma:0 [ 194.453937] UDPv6 3KB 3KB [ 194.459597] Node 0 active_anon:17212kB inactive_anon:764kB active_file:2244kB inactive_file:2844kB unevictable:0kB isolated(anon):0kB isolated(file):48kB mapped:3796kB dirty:200kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 194.469130] Node 0 [ 194.475935] TCPv6 22KB 22KB [ 194.477985] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 194.488713] lowmem_reserve[]: [ 194.493990] sd_ext_cdb 0KB 3KB [ 194.502399] 0 [ 194.534458] 2833 [ 194.563981] scsi_sense_cache 2924KB 2924KB [ 194.606019] 6339 [ 194.625779] virtio_scsi_cmd 16KB 16KB [ 194.644061] 6339 [ 194.710299] sgpool-128 10KB 10KB [ 194.841860] Node 0 DMA32 free:44152kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 194.869845] lowmem_reserve[]: 0 0 3505 3505 [ 194.875689] sgpool-64 28KB 31KB [ 194.882567] Node 0 Normal free:38968kB min:37280kB low:46600kB high:55920kB active_anon:17312kB inactive_anon:764kB active_file:456kB inactive_file:1400kB unevictable:0kB writepending:0kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7104kB pagetables:1788kB bounce:0kB free_pcp:756kB local_pcp:228kB free_cma:0kB [ 194.929027] sgpool-32 8573KB 8573KB 2019/03/24 16:52:37 executed programs: 3633 [ 194.970861] sgpool-16 2418KB 2418KB [ 194.977354] sgpool-8 6048KB 6048KB [ 194.984175] cfq_io_cq 35KB 35KB [ 194.989815] cfq_queue 77KB 77KB [ 194.995792] lowmem_reserve[]: 0 0 0 0 [ 195.005539] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 195.031600] mqueue_inode_cache 10KB 21KB [ 195.037534] bio-2 14KB 19KB [ 195.041285] Node 0 DMA32: 6*4kB (UM) 9*8kB (UM) 2*16kB (ME) 5*32kB (UME) 6*64kB (UME) 6*128kB (UME) 3*256kB (UME) 4*512kB (ME) 5*1024kB (ME) 3*2048kB (UME) 7*4096kB (M) = 44192kB [ 195.043460] jfs_mp 7KB 7KB [ 195.073047] nfs_commit_data 3KB 7KB [ 195.079447] nfs_write_data 34KB 37KB [ 195.087754] ext4_system_zone 0KB 3KB [ 195.093511] bio-1 1KB 3KB [ 195.099822] pid_namespace 1KB 7KB [ 195.106181] rpc_buffers 17KB 19KB [ 195.112266] rpc_tasks 2KB 3KB [ 195.118161] UNIX 8KB 14KB [ 195.124097] Node 0 Normal: 43*4kB (MEH) 404*8kB (UMEH) 326*16kB (UMEH) 187*32kB (UMEH) 76*64kB (UM) 47*128kB (UMH) 40*256kB (UME) 4*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 37772kB [ 195.126179] tcp_bind_bucket 1KB 4KB [ 195.141262] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 195.147037] ip_fib_trie 11KB 15KB [ 195.166280] blkid (21361) used greatest stack depth: 6920 bytes left [ 195.175455] ip_fib_alias 52KB 55KB [ 195.176799] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 195.181059] ip_dst_cache 1KB 8KB [ 195.200794] 1201 total pagecache pages [ 195.208678] 0 pages in swap cache [ 195.214595] Swap cache stats: add 0, delete 0, find 0/0 [ 195.214959] RAW 40KB 50KB [ 195.229375] Free swap = 0kB [ 195.232533] Total swap = 0kB [ 195.237440] 1965979 pages RAM [ 195.239169] UDP 15KB 23KB [ 195.240740] 0 pages HighMem/MovableOnly [ 195.250877] 338422 pages reserved [ 195.259026] 0 pages cma reserved [ 195.280827] TCP 39KB 39KB [ 195.296584] hugetlbfs_inode_cache 2KB 7KB [ 195.304101] fscache_cookie_jar 0KB 7KB [ 195.310994] eventpoll_pwq 28KB 51KB [ 195.316609] eventpoll_epi 51KB 94KB [ 195.323107] inotify_inode_mark 37KB 82KB [ 195.328710] request_queue 129KB 137KB [ 195.334132] blkdev_requests 1KB 3KB [ 195.339687] blkdev_ioc 54KB 54KB [ 195.346031] bio-0 8688KB 8688KB [ 195.353786] biovec-(1<<(21-12)) 4908KB 4908KB [ 195.359510] biovec-64 10710KB 10710KB [ 195.365068] biovec-16 2467KB 2467KB [ 195.370608] bio_integrity_payload 1KB 8KB [ 195.376420] khugepaged_mm_slot 0KB 3KB [ 195.382013] dmaengine-unmap-256 2KB 6KB [ 195.387717] dmaengine-unmap-128 1KB 3KB [ 195.393532] dmaengine-unmap-16 0KB 4KB [ 195.399237] dmaengine-unmap-2 0KB 3KB [ 195.407113] skbuff_fclone_cache 7KB 7KB [ 195.423711] skbuff_head_cache 320KB 1470KB [ 195.430958] configfs_dir_cache 0KB 4KB [ 195.437966] file_lock_cache 0KB 3KB [ 195.451086] file_lock_ctx 0KB 3KB [ 195.465126] fsnotify_mark_connector 26KB 51KB [ 195.491944] net_namespace 41KB 41KB [ 195.497826] shmem_inode_cache 5161KB 5691KB [ 195.503890] task_delay_info 78KB 383KB [ 195.510519] taskstats 102KB 160KB [ 195.559234] sigqueue 54KB 342KB [ 195.564831] kernfs_node_cache 10990KB 10993KB [ 195.589919] mnt_cache 3727KB 5356KB [ 195.595413] filp 2093KB 5471KB [ 195.634613] names_cache 51586KB 51607KB [ 195.641825] iint_cache 95KB 95KB [ 195.647938] key_jar 3KB 7KB [ 195.654207] nsproxy 47KB 71KB [ 195.660453] vm_area_struct 3573KB 10112KB [ 195.667010] mm_struct 648KB 2281KB [ 195.673228] fs_cache 69KB 396KB [ 195.678880] files_cache 210KB 667KB [ 195.684598] signal_cache 570KB 1545KB [ 195.690137] sighand_cache 487KB 499KB [ 195.714128] task_struct 2264KB 2320KB [ 195.719554] cred_jar 424KB 2008KB [ 195.725267] anon_vma_chain 2222KB 5981KB [ 195.730739] anon_vma 194KB 342KB [ 195.736114] pid 58KB 280KB [ 195.741765] Acpi-Operand 107KB 178KB [ 195.747147] Acpi-Namespace 19KB 23KB [ 195.753707] numa_policy 0KB 3KB [ 195.759078] debug_objects_cache 935KB 1118KB [ 195.765296] trace_event_file 247KB 251KB [ 195.770695] ftrace_event_field 353KB 354KB [ 195.776174] pool_workqueue 80KB 84KB [ 195.781833] task_group 4KB 7KB [ 195.787192] page->ptl 690KB 2925KB [ 195.792888] kmalloc-4194304 4804608KB 4816896KB [ 195.798250] kmalloc-2097152 2050KB 2050KB [ 195.803903] kmalloc-524288 1028KB 1028KB [ 195.809266] kmalloc-262144 1290KB 1290KB [ 195.834302] kmalloc-131072 650KB 650KB [ 195.841342] kmalloc-65536 264KB 264KB [ 195.846718] kmalloc-32768 1254KB 1254KB [ 195.852290] kmalloc-16384 379KB 379KB [ 195.857666] kmalloc-8192 1782KB 1782KB [ 195.864228] kmalloc-4096 11853KB 11874KB [ 195.869593] kmalloc-2048 58076KB 58076KB [ 195.875019] kmalloc-1024 4662KB 6985KB [ 195.880436] kmalloc-512 2251KB 4785KB [ 195.886772] kmalloc-256 2986KB 3506KB [ 195.892214] kmalloc-128 1146KB 1504KB [ 195.897591] kmalloc-96 2086KB 3556KB [ 195.903045] kmalloc-64 1844KB 2156KB [ 195.903051] kmalloc-32 2084KB 3110KB [ 195.903056] kmalloc-192 840KB 908KB [ 195.903061] kmem_cache 202KB 202KB [ 195.903067] Out of memory: Kill process 21360 (syz-executor3) score 999 or sacrifice child [ 196.310801] device bridge_slave_1 left promiscuous mode [ 196.316997] bridge0: port 2(bridge_slave_1) entered disabled state [ 196.385215] device bridge_slave_0 left promiscuous mode [ 196.390843] bridge0: port 1(bridge_slave_0) entered disabled state [ 196.472335] team0 (unregistering): Port device team_slave_1 removed [ 196.483033] team0 (unregistering): Port device team_slave_0 removed [ 196.493594] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 196.536637] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 196.594874] bond0 (unregistering): Released all slaves [ 197.486156] IPVS: ftp: loaded support on port[0] = 21 [ 197.744753] bridge0: port 1(bridge_slave_0) entered blocking state [ 197.751375] bridge0: port 1(bridge_slave_0) entered disabled state [ 197.758204] device bridge_slave_0 entered promiscuous mode [ 197.773321] bridge0: port 2(bridge_slave_1) entered blocking state [ 197.779682] bridge0: port 2(bridge_slave_1) entered disabled state [ 197.786739] device bridge_slave_1 entered promiscuous mode [ 197.802151] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 197.816873] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 197.854745] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 197.871454] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 197.924317] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 197.931416] team0: Port device team_slave_0 added [ 197.944709] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 197.951988] team0: Port device team_slave_1 added [ 197.965229] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 197.980836] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 197.996976] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 198.013219] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 198.118292] bridge0: port 2(bridge_slave_1) entered blocking state [ 198.124708] bridge0: port 2(bridge_slave_1) entered forwarding state [ 198.131352] bridge0: port 1(bridge_slave_0) entered blocking state [ 198.137683] bridge0: port 1(bridge_slave_0) entered forwarding state [ 198.493229] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 198.499304] 8021q: adding VLAN 0 to HW filter on device bond0 [ 198.537436] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 198.573904] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 198.580318] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 198.587288] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 198.595335] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 198.629714] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 198.636190] 8021q: adding VLAN 0 to HW filter on device team0 [ 198.730484] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready 2019/03/24 16:52:42 executed programs: 3669 2019/03/24 16:52:47 executed programs: 3843 2019/03/24 16:52:52 executed programs: 4018 2019/03/24 16:52:58 executed programs: 4113 [ 217.449338] oom_reaper: reaped process 23557 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 217.495641] blkid invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=-1000 [ 217.513778] blkid cpuset=/ mems_allowed=0 [ 217.528951] CPU: 1 PID: 23544 Comm: blkid Not tainted 4.16.0-rc7+ #1 [ 217.535446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 217.544788] Call Trace: [ 217.547357] dump_stack+0x153/0x201 [ 217.550962] ? arch_local_irq_restore+0x43/0x43 [ 217.555950] ? debug_check_no_locks_freed+0x310/0x310 [ 217.561122] dump_header+0x281/0xddc [ 217.564830] ? oom_reaper.cold.28+0x28/0x28 [ 217.569130] ? print_usage_bug+0xc0/0xc0 [ 217.573179] ? __lock_acquire+0x72e/0x4c60 [ 217.577409] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 217.582411] ? compact_zone+0x2eb/0x2690 [ 217.586461] ? print_usage_bug+0xc0/0xc0 [ 217.590503] ? ___ratelimit+0x2dd/0x648 [ 217.594486] ? lock_downgrade+0x900/0x900 [ 217.598627] ? lock_release+0x9b0/0x9b0 [ 217.602581] ? mark_held_locks+0xc7/0x130 [ 217.606709] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 217.611793] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 217.616786] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 217.621865] ? ___ratelimit+0x2dd/0x648 [ 217.625866] ? idr_get_free+0x1550/0x1550 [ 217.630015] ? find_held_lock+0x13f/0x1c0 [ 217.634155] oom_kill_process.cold.29+0xb/0x1013 [ 217.638897] ? has_ns_capability_noaudit+0x147/0x250 [ 217.643983] ? lock_downgrade+0x900/0x900 [ 217.648122] ? oom_evaluate_task+0x450/0x450 [ 217.652511] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 217.657068] ? debug_smp_processor_id+0x17/0x20 [ 217.661715] ? rcu_is_watching+0x69/0x180 [ 217.665847] ? __lock_is_held+0xb5/0x140 [ 217.669892] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 217.674478] ? has_ns_capability_noaudit+0x164/0x250 [ 217.679556] ? has_capability+0x20/0x20 [ 217.683511] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 217.688070] ? oom_unkillable_task+0x2e4/0x480 [ 217.692630] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 217.697622] ? has_capability_noaudit+0x12/0x20 [ 217.702270] ? oom_badness+0x5de/0x930 [ 217.706132] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 217.710708] ? find_lock_task_mm+0x430/0x430 [ 217.715102] ? find_held_lock+0x36/0x1c0 [ 217.719144] ? out_of_memory+0xa05/0x10f0 [ 217.723268] ? lock_downgrade+0x900/0x900 [ 217.727396] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 217.731962] ? debug_smp_processor_id+0x17/0x20 [ 217.736607] ? rcu_is_watching+0x69/0x180 [ 217.740749] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 217.745316] ? oom_evaluate_task+0x296/0x450 [ 217.749707] out_of_memory+0x739/0x10f0 [ 217.753694] ? oom_killer_disable+0x2d0/0x2d0 [ 217.758168] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 217.763077] ? rcu_pm_notify+0xc0/0xc0 [ 217.766944] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 217.771420] __alloc_pages_slowpath+0x2387/0x2e80 [ 217.776252] ? warn_alloc+0x120/0x120 [ 217.780043] ? print_usage_bug+0xc0/0xc0 [ 217.784090] ? warn_alloc+0x120/0x120 [ 217.787876] ? print_usage_bug+0xc0/0xc0 [ 217.791926] ? print_usage_bug+0xc0/0xc0 [ 217.795976] ? find_held_lock+0x36/0x1c0 [ 217.800027] ? __save_stack_trace+0x8d/0xf0 [ 217.804335] ? lock_release+0x9b0/0x9b0 [ 217.808285] ? check_same_owner+0x330/0x330 [ 217.812591] ? __might_sleep+0x95/0x190 [ 217.816552] __alloc_pages_nodemask+0xaae/0xe10 [ 217.821197] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 217.826202] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 217.831204] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 217.836198] ? find_held_lock+0x36/0x1c0 [ 217.840242] ? ____cache_alloc_node+0x1c7/0x1e0 [ 217.844887] ? lock_downgrade+0x900/0x900 [ 217.849013] ? cache_grow_begin+0x53d/0x720 [ 217.853315] cache_grow_begin+0x81/0x720 [ 217.857354] fallback_alloc+0x203/0x2c0 [ 217.861306] ____cache_alloc_node+0x1c7/0x1e0 [ 217.865779] kmem_cache_alloc+0x1f8/0x790 [ 217.869903] ? prepare_creds+0x307/0x3e0 [ 217.873940] ? abort_creds+0x200/0x200 [ 217.877807] getname_flags+0xb8/0x520 [ 217.881588] user_path_at_empty+0x1e/0x40 [ 217.885738] SyS_access+0x212/0x650 [ 217.889361] ? SyS_faccessat+0x650/0x650 [ 217.893404] ? do_syscall_64+0xb8/0x980 [ 217.897354] do_syscall_64+0x276/0x980 [ 217.901218] ? vmalloc_sync_all+0x20/0x20 [ 217.905340] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 217.910072] ? syscall_return_slowpath+0x4e0/0x4e0 [ 217.914980] ? syscall_return_slowpath+0x215/0x4e0 [ 217.919887] ? prepare_exit_to_usermode+0x300/0x300 [ 217.924906] ? retint_user+0x18/0x18 [ 217.928607] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 217.933442] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 217.938609] RIP: 0033:0x7f9f39371267 [ 217.942305] RSP: 002b:00007ffc74d730d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 217.949998] RAX: ffffffffffffffda RBX: 0000000000401300 RCX: 00007f9f39371267 [ 217.957271] RDX: 000000000000001d RSI: 0000000000000000 RDI: 00007f9f393752e6 [ 217.964529] RBP: 00007f9f39574000 R08: 00007f9f3957c570 R09: 0000000000000000 [ 217.971796] R10: 000000006ffffeff R11: 0000000000000246 R12: 00007f9f3957c1c8 [ 217.979067] R13: 00007f9f39574718 R14: 00000000000033ef R15: 00007f9f3957c570 [ 218.030935] Mem-Info: [ 218.037880] active_anon:4363 inactive_anon:187 isolated_anon:0 [ 218.037880] active_file:24 inactive_file:57 isolated_file:0 [ 218.037880] unevictable:0 dirty:2 writeback:0 unstable:0 [ 218.037880] slab_reclaimable:11727 slab_unreclaimable:1510011 [ 218.037880] mapped:30 shmem:241 pagetables:468 bounce:0 [ 218.037880] free:24627 free_pcp:37 free_cma:0 [ 218.072950] Node 0 active_anon:17452kB inactive_anon:748kB active_file:188kB inactive_file:240kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:220kB dirty:8kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 218.101613] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 218.132005] lowmem_reserve[]: 0 2833 6339 6339 [ 218.136621] Node 0 DMA32 free:43992kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 218.171113] lowmem_reserve[]: 0 0 3505 3505 [ 218.175464] Node 0 Normal free:39796kB min:37280kB low:46600kB high:55920kB active_anon:17584kB inactive_anon:748kB active_file:628kB inactive_file:1592kB unevictable:0kB writepending:12kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7136kB pagetables:1868kB bounce:0kB free_pcp:652kB local_pcp:248kB free_cma:0kB [ 218.204919] lowmem_reserve[]: 0 0 0 0 [ 218.208709] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 218.222319] Node 0 DMA32: 4*4kB (UME) 5*8kB (UM) 4*16kB (UME) 7*32kB (UME) 4*64kB (UME) 5*128kB (UME) 3*256kB (UME) 4*512kB (ME) 5*1024kB (ME) 3*2048kB (UME) 7*4096kB (M) = 43992kB [ 218.238626] Node 0 Normal: 458*4kB (UMEH) 680*8kB (UMEH) 453*16kB (UMEH) 170*32kB (UMEH) 72*64kB (UMEH) 43*128kB (UMH) 37*256kB (ME) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 40056kB [ 218.256526] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 218.266274] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 218.275706] 753 total pagecache pages [ 218.279535] 0 pages in swap cache [ 218.283524] Swap cache stats: add 0, delete 0, find 0/0 [ 218.288904] Free swap = 0kB [ 218.291951] Total swap = 0kB [ 218.294957] 1965979 pages RAM [ 218.298058] 0 pages HighMem/MovableOnly [ 218.302083] 338422 pages reserved [ 218.305531] 0 pages cma reserved [ 218.308888] Unreclaimable slab info: [ 218.312637] Name Used Total [ 218.318628] pid_2 136KB 156KB [ 218.346381] TIPC 10KB 14KB [ 218.359416] SCTPv6 14KB 16KB [ 218.364875] DCCPv6 17KB 21KB [ 218.410401] DCCP 15KB 20KB [ 218.428572] bridge_fdb_cache 11KB 15KB [ 218.434885] fib6_nodes 79KB 96KB [ 218.440427] ip6_dst_cache 381KB 667KB [ 218.446015] RAWv6 68KB 78KB [ 218.451651] UDPv6 3KB 3KB [ 218.457161] TCPv6 25KB 28KB [ 218.462703] sd_ext_cdb 0KB 3KB [ 218.468208] scsi_sense_cache 960KB 960KB [ 218.473857] virtio_scsi_cmd 16KB 16KB [ 218.479376] sgpool-128 10KB 10KB [ 218.484928] sgpool-64 23KB 23KB [ 218.490663] sgpool-32 2426KB 2426KB [ 218.496159] sgpool-16 675KB 675KB [ 218.501703] sgpool-8 2006KB 2006KB [ 218.507089] cfq_io_cq 23KB 39KB [ 218.514446] cfq_queue 36KB 81KB [ 218.572213] mqueue_inode_cache 10KB 21KB [ 218.580692] bio-2 14KB 19KB [ 218.586659] jfs_mp 7KB 7KB [ 218.595433] nfs_commit_data 3KB 7KB [ 218.602695] nfs_write_data 34KB 37KB [ 218.638290] ext4_system_zone 0KB 3KB [ 218.647489] bio-1 1KB 3KB [ 218.657352] pid_namespace 1KB 7KB [ 218.669421] rpc_buffers 17KB 19KB [ 218.677482] rpc_tasks 2KB 3KB [ 218.685796] UNIX 8KB 14KB [ 218.691474] tcp_bind_bucket 1KB 4KB [ 218.698177] ip_fib_trie 11KB 15KB [ 218.722564] ip_fib_alias 52KB 63KB [ 218.733449] ip_dst_cache 1KB 8KB [ 218.742598] RAW 40KB 50KB [ 218.747971] UDP 15KB 23KB [ 218.754151] TCP 42KB 47KB [ 218.759770] hugetlbfs_inode_cache 2KB 7KB [ 218.768084] fscache_cookie_jar 0KB 7KB [ 218.775327] eventpoll_pwq 46KB 51KB [ 218.781390] eventpoll_epi 85KB 94KB [ 218.786867] inotify_inode_mark 82KB 82KB [ 218.801475] request_queue 129KB 137KB [ 218.807562] blkdev_requests 1KB 3KB [ 218.813177] blkdev_ioc 32KB 54KB [ 218.818542] bio-0 2861KB 2861KB [ 218.823922] biovec-(1<<(21-12)) 2549KB 2549KB [ 218.829596] biovec-64 3496KB 3496KB [ 218.835011] biovec-16 843KB 843KB [ 218.840421] bio_integrity_payload 1KB 8KB [ 218.846133] khugepaged_mm_slot 0KB 3KB [ 218.854652] dmaengine-unmap-256 2KB 6KB [ 218.860230] dmaengine-unmap-128 1KB 3KB [ 218.865763] dmaengine-unmap-16 0KB 4KB [ 218.871302] dmaengine-unmap-2 0KB 3KB [ 218.876668] skbuff_fclone_cache 3KB 11KB [ 218.882258] skbuff_head_cache 543KB 1320KB [ 218.888122] configfs_dir_cache 0KB 4KB [ 218.894129] file_lock_cache 0KB 3KB [ 218.903649] file_lock_ctx 0KB 3KB [ 218.909014] fsnotify_mark_connector 46KB 51KB [ 218.922983] net_namespace 41KB 41KB [ 218.928352] shmem_inode_cache 5821KB 5987KB [ 218.943352] task_delay_info 125KB 379KB [ 218.948723] taskstats 142KB 160KB [ 218.962921] sigqueue 106KB 330KB [ 218.968293] kernfs_node_cache 10990KB 10993KB [ 219.026337] mnt_cache 5562KB 6360KB [ 219.033347] filp 3956KB 5388KB [ 219.038725] names_cache 96075KB 96075KB [ 219.090112] iint_cache 31KB 87KB [ 219.095931] key_jar 3KB 7KB [ 219.101338] nsproxy 70KB 71KB [ 219.106857] vm_area_struct 6935KB 9818KB [ 219.112503] mm_struct 1142KB 2007KB [ 219.117992] fs_cache 134KB 392KB [ 219.123569] files_cache 481KB 637KB [ 219.129069] signal_cache 858KB 1444KB [ 219.134617] sighand_cache 499KB 499KB [ 219.140174] task_struct 3143KB 3198KB [ 219.145693] cred_jar 700KB 1940KB [ 219.151273] anon_vma_chain 4361KB 5922KB [ 219.156827] anon_vma 207KB 342KB [ 219.162437] pid 80KB 280KB [ 219.168886] Acpi-Operand 107KB 178KB [ 219.174934] Acpi-Namespace 19KB 23KB [ 219.181607] numa_policy 0KB 3KB [ 219.186971] debug_objects_cache 761KB 1036KB [ 219.192663] trace_event_file 247KB 251KB [ 219.198239] ftrace_event_field 353KB 354KB [ 219.203779] pool_workqueue 80KB 84KB [ 219.209221] task_group 4KB 7KB [ 219.214801] page->ptl 1174KB 2893KB [ 219.220356] kmalloc-4194304 5644288KB 5644288KB [ 219.226110] kmalloc-2097152 2050KB 2050KB [ 219.239051] kmalloc-524288 1028KB 1028KB [ 219.287335] kmalloc-262144 1290KB 1290KB [ 219.317609] kmalloc-131072 650KB 650KB [ 219.341632] kmalloc-65536 264KB 264KB [ 219.362748] kmalloc-32768 1353KB 1650KB [ 219.371422] kmalloc-16384 445KB 594KB [ 219.377739] kmalloc-8192 1790KB 1856KB [ 219.383850] kmalloc-4096 17607KB 17646KB [ 219.395078] kmalloc-2048 24849KB 24849KB [ 219.414304] kmalloc-1024 5895KB 6953KB [ 219.421878] kmalloc-512 3034KB 4620KB [ 219.427410] kmalloc-256 3192KB 3506KB [ 219.433888] kmalloc-128 1441KB 1504KB [ 219.440334] kmalloc-96 2671KB 3556KB [ 219.446486] kmalloc-64 2012KB 2156KB [ 219.452163] kmalloc-32 2699KB 3110KB [ 219.457788] kmalloc-192 908KB 920KB [ 219.463377] kmem_cache 202KB 202KB [ 219.468878] Out of memory: Kill process 23556 (syz-executor2) score 999 or sacrifice child 2019/03/24 16:53:03 executed programs: 4130 [ 223.373256] device bridge_slave_1 left promiscuous mode [ 223.378708] bridge0: port 2(bridge_slave_1) entered disabled state [ 223.420887] device bridge_slave_0 left promiscuous mode [ 223.428146] bridge0: port 1(bridge_slave_0) entered disabled state [ 223.496212] team0 (unregistering): Port device team_slave_1 removed [ 223.506144] team0 (unregistering): Port device team_slave_0 removed [ 223.519000] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 223.553758] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 223.605151] bond0 (unregistering): Released all slaves [ 224.515742] IPVS: ftp: loaded support on port[0] = 21 [ 224.838700] bridge0: port 1(bridge_slave_0) entered blocking state [ 224.845278] bridge0: port 1(bridge_slave_0) entered disabled state [ 224.852257] device bridge_slave_0 entered promiscuous mode [ 224.866919] bridge0: port 2(bridge_slave_1) entered blocking state [ 224.873341] bridge0: port 2(bridge_slave_1) entered disabled state [ 224.880222] device bridge_slave_1 entered promiscuous mode [ 224.894086] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 224.908090] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 224.945420] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 224.961502] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 225.014570] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 225.021876] team0: Port device team_slave_0 added [ 225.035053] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 225.042194] team0: Port device team_slave_1 added [ 225.054897] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 225.070960] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 225.085640] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 225.092989] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 225.101504] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 225.112777] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 225.213404] bridge0: port 2(bridge_slave_1) entered blocking state [ 225.219753] bridge0: port 2(bridge_slave_1) entered forwarding state [ 225.226389] bridge0: port 1(bridge_slave_0) entered blocking state [ 225.232753] bridge0: port 1(bridge_slave_0) entered forwarding state [ 225.582988] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 225.589532] 8021q: adding VLAN 0 to HW filter on device bond0 [ 225.626926] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 225.664714] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 225.671065] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 225.678025] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 225.685420] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 225.720862] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 225.726939] 8021q: adding VLAN 0 to HW filter on device team0 [ 225.830264] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready 2019/03/24 16:53:09 executed programs: 4168 2019/03/24 16:53:14 executed programs: 4339 2019/03/24 16:53:19 executed programs: 4527 2019/03/24 16:53:24 executed programs: 4715 [ 245.026772] syz-executor0 invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=1000 [ 245.052066] syz-executor0 cpuset=syz0 mems_allowed=0 [ 245.058489] CPU: 0 PID: 26445 Comm: syz-executor0 Not tainted 4.16.0-rc7+ #1 [ 245.065687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 245.075021] Call Trace: [ 245.077586] dump_stack+0x153/0x201 [ 245.081205] ? arch_local_irq_restore+0x43/0x43 [ 245.085875] dump_header+0x281/0xddc [ 245.089571] ? debug_check_no_locks_freed+0x310/0x310 [ 245.094763] ? oom_reaper.cold.28+0x28/0x28 [ 245.099072] ? print_usage_bug+0xc0/0xc0 [ 245.103113] ? __lock_acquire+0x72e/0x4c60 [ 245.107336] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 245.112341] ? debug_check_no_locks_freed+0x310/0x310 [ 245.117526] ? print_usage_bug+0xc0/0xc0 [ 245.121567] ? ___ratelimit+0x2dd/0x648 [ 245.125523] ? lock_downgrade+0x900/0x900 [ 245.129653] ? lock_release+0x9b0/0x9b0 [ 245.133607] ? mark_held_locks+0xc7/0x130 [ 245.137751] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 245.142832] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 245.147825] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 245.152904] ? ___ratelimit+0x2dd/0x648 [ 245.156856] ? idr_get_free+0x1550/0x1550 [ 245.160979] ? find_held_lock+0x13f/0x1c0 [ 245.165112] oom_kill_process.cold.29+0xb/0x1013 [ 245.169852] ? has_ns_capability_noaudit+0x147/0x250 [ 245.174931] ? lock_downgrade+0x900/0x900 [ 245.179072] ? oom_evaluate_task+0x450/0x450 [ 245.183457] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 245.188023] ? debug_smp_processor_id+0x17/0x20 [ 245.192674] ? rcu_is_watching+0x69/0x180 [ 245.196807] ? __lock_is_held+0xb5/0x140 [ 245.200846] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 245.205436] ? has_ns_capability_noaudit+0x164/0x250 [ 245.210550] ? has_capability+0x20/0x20 [ 245.214532] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 245.219103] ? oom_unkillable_task+0x2e4/0x480 [ 245.223674] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 245.228680] ? has_capability_noaudit+0x12/0x20 [ 245.233335] ? oom_badness+0x5de/0x930 [ 245.237215] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 245.241809] ? find_lock_task_mm+0x430/0x430 [ 245.246217] ? find_held_lock+0x36/0x1c0 [ 245.250269] ? out_of_memory+0xa05/0x10f0 [ 245.254391] ? lock_downgrade+0x900/0x900 [ 245.258517] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 245.263076] ? debug_smp_processor_id+0x17/0x20 [ 245.267729] ? rcu_is_watching+0x69/0x180 [ 245.271876] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 245.276437] ? oom_evaluate_task+0x296/0x450 [ 245.280853] out_of_memory+0x739/0x10f0 [ 245.284859] ? oom_killer_disable+0x2d0/0x2d0 [ 245.289333] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 245.294239] ? rcu_pm_notify+0xc0/0xc0 [ 245.298119] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 245.302616] __alloc_pages_slowpath+0x2387/0x2e80 [ 245.307458] ? warn_alloc+0x120/0x120 [ 245.311243] ? find_held_lock+0x36/0x1c0 [ 245.315323] ? is_bpf_text_address+0x60/0xe0 [ 245.319726] ? lock_downgrade+0x900/0x900 [ 245.323907] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 245.328523] ? rcu_is_watching+0x69/0x180 [ 245.332661] ? debug_smp_processor_id+0x17/0x20 [ 245.337352] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 245.341934] ? kernel_text_address+0x79/0xf0 [ 245.346321] ? unwind_get_return_address+0x61/0xa0 [ 245.351251] ? find_held_lock+0x36/0x1c0 [ 245.355319] ? lock_release+0x9b0/0x9b0 [ 245.359294] ? check_same_owner+0x330/0x330 [ 245.363593] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 245.368951] ? __might_sleep+0x95/0x190 [ 245.372925] __alloc_pages_nodemask+0xaae/0xe10 [ 245.377595] ? debug_smp_processor_id+0x17/0x20 [ 245.382266] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 245.387266] ? rcu_lockdep_current_cpu_online+0x1ae/0x210 [ 245.392779] ? rcu_is_watching+0x69/0x180 [ 245.396920] ? rcu_pm_notify+0xc0/0xc0 [ 245.400790] ? copy_process.part.37+0x15db/0x4e20 [ 245.405618] ? rcu_read_lock_sched_held+0x108/0x120 [ 245.410628] ? kmem_cache_alloc_node+0x383/0x790 [ 245.415487] ? debug_check_no_locks_freed+0x310/0x310 [ 245.420657] copy_process.part.37+0x40a/0x4e20 [ 245.425223] ? __cleanup_sighand+0x30/0x30 [ 245.429468] ? __lock_acquire+0x72e/0x4c60 [ 245.433693] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 245.438700] ? mem_cgroup_update_lru_size+0xd0/0xd0 [ 245.443696] ? __lock_acquire+0x72e/0x4c60 [ 245.447915] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 245.452914] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 245.457937] ? __lru_cache_add+0x242/0x450 [ 245.462157] ? find_held_lock+0x36/0x1c0 [ 245.466202] ? __pagevec_lru_add+0x20/0x20 [ 245.470426] ? percpu_ref_put_many+0x11b/0x250 [ 245.475001] ? lock_downgrade+0x900/0x900 [ 245.479146] ? debug_smp_processor_id+0x17/0x20 [ 245.483808] ? lru_cache_add+0x1a3/0x370 [ 245.487847] ? lru_cache_add_file+0x10/0x10 [ 245.492146] ? refill_stock+0x1e0/0x1e0 [ 245.496098] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 245.501089] ? __mem_cgroup_threshold+0x930/0x930 [ 245.505917] ? mark_held_locks+0xc7/0x130 [ 245.510061] ? find_held_lock+0x36/0x1c0 [ 245.514121] ? __handle_mm_fault+0x192d/0x4230 [ 245.518678] ? lock_downgrade+0x900/0x900 [ 245.522813] ? lock_release+0x9b0/0x9b0 [ 245.526774] ? change_protection+0x6b0/0x1ac0 [ 245.531246] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 245.535804] ? pte_val+0xf0/0xf0 [ 245.539153] ? _raw_spin_unlock+0x2c/0x50 [ 245.543284] ? __handle_mm_fault+0x192d/0x4230 [ 245.547852] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 245.552591] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 245.557952] ? SyS_remap_file_pages.cold.33+0x83/0x83 [ 245.563138] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 245.568153] _do_fork+0x1a3/0xe50 [ 245.574378] ? __do_page_fault+0x4bf/0xb80 [ 245.578587] ? fork_idle+0x280/0x280 [ 245.582275] ? handle_mm_fault+0x415/0xa00 [ 245.586484] ? __handle_mm_fault+0x4230/0x4230 [ 245.591042] ? up_read+0x1a/0x40 [ 245.594471] ? __do_page_fault+0x4bf/0xb80 [ 245.598708] ? do_mprotect_pkey+0x622/0x830 [ 245.603009] ? mm_fault_error+0x2a0/0x2a0 [ 245.607140] ? mprotect_fixup+0x670/0x670 [ 245.611289] ? do_syscall_64+0xb8/0x980 [ 245.615242] SyS_clone+0x14/0x20 [ 245.618583] do_syscall_64+0x276/0x980 [ 245.622445] ? vmalloc_sync_all+0x20/0x20 [ 245.626578] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 245.631310] ? syscall_return_slowpath+0x4e0/0x4e0 [ 245.636215] ? syscall_return_slowpath+0x215/0x4e0 [ 245.641121] ? prepare_exit_to_usermode+0x300/0x300 [ 245.646146] ? retint_user+0x18/0x18 [ 245.649863] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 245.654698] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 245.659865] RIP: 0033:0x45a089 [ 245.663341] RSP: 002b:00007ffcfd6a2f08 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 245.671039] RAX: ffffffffffffffda RBX: 00007f22b2f23700 RCX: 000000000045a089 [ 245.678285] RDX: 00007f22b2f239d0 RSI: 00007f22b2f22db0 RDI: 00000000003d0f00 [ 245.685530] RBP: 00007ffcfd6a3110 R08: 00007f22b2f23700 R09: 00007f22b2f23700 [ 245.692775] R10: 00007f22b2f239d0 R11: 0000000000000202 R12: 0000000000000000 [ 245.700031] R13: 00007ffcfd6a2fbf R14: 00007f22b2f239c0 R15: 0000000000000001 [ 245.707779] Mem-Info: [ 245.712923] active_anon:4436 inactive_anon:186 isolated_anon:0 [ 245.712923] active_file:20 inactive_file:66 isolated_file:13 [ 245.712923] unevictable:0 dirty:1 writeback:0 unstable:0 [ 245.712923] slab_reclaimable:11681 slab_unreclaimable:1509431 [ 245.712923] mapped:39 shmem:241 pagetables:551 bounce:0 [ 245.712923] free:24312 free_pcp:37 free_cma:0 [ 245.751913] Node 0 active_anon:17744kB inactive_anon:744kB active_file:80kB inactive_file:284kB unevictable:0kB isolated(anon):0kB isolated(file):52kB mapped:156kB dirty:4kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 245.779059] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 245.805540] lowmem_reserve[]: 0 2833 6339 6339 [ 245.810160] Node 0 DMA32 free:44092kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 245.837604] lowmem_reserve[]: 0 0 3505 3505 [ 245.841962] Node 0 Normal free:37248kB min:37280kB low:46600kB high:55920kB active_anon:17744kB inactive_anon:744kB active_file:80kB inactive_file:312kB unevictable:0kB writepending:4kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7392kB pagetables:2204kB bounce:0kB free_pcp:148kB local_pcp:148kB free_cma:0kB [ 245.871917] lowmem_reserve[]: 0 0 0 0 [ 245.875743] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 245.889327] Node 0 DMA32: 5*4kB (UME) 7*8kB (UM) 47*16kB (UME) 78*32kB (UME) 63*64kB (UME) 25*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 44092kB [ 245.906226] Node 0 Normal: 743*4kB (UMEH) 619*8kB (MEH) 306*16kB (UMEH) 118*32kB (MEH) 69*64kB (MEH) 42*128kB (UMH) 37*256kB (UME) 1*512kB (M) 1*1024kB (U) 0*2048kB 0*4096kB = 37396kB [ 245.923135] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 245.932015] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 245.945246] 350 total pagecache pages [ 245.949113] 0 pages in swap cache [ 245.952581] Swap cache stats: add 0, delete 0, find 0/0 [ 245.957927] Free swap = 0kB [ 245.961048] Total swap = 0kB [ 245.964059] 1965979 pages RAM [ 245.967145] 0 pages HighMem/MovableOnly [ 245.971152] 338422 pages reserved [ 245.974594] 0 pages cma reserved [ 245.977950] Unreclaimable slab info: [ 245.981672] Name Used Total [ 245.987222] pid_2 143KB 156KB [ 245.992965] TIPC 10KB 14KB [ 245.998317] SCTPv6 14KB 16KB [ 246.003714] DCCPv6 17KB 21KB [ 246.009092] DCCP 15KB 20KB [ 246.014461] bridge_fdb_cache 11KB 15KB [ 246.019808] fib6_nodes 78KB 96KB [ 246.025195] ip6_dst_cache 399KB 637KB [ 246.030607] RAWv6 68KB 71KB [ 246.035969] UDPv6 3KB 3KB [ 246.041374] TCPv6 25KB 28KB [ 246.046755] sd_ext_cdb 0KB 3KB [ 246.052136] scsi_sense_cache 364KB 364KB [ 246.057489] virtio_scsi_cmd 16KB 16KB [ 246.062881] sgpool-128 10KB 10KB [ 246.068230] sgpool-64 15KB 15KB [ 246.073598] sgpool-32 721KB 721KB [ 246.078945] sgpool-16 232KB 232KB [ 246.084429] sgpool-8 780KB 780KB [ 246.089809] cfq_io_cq 30KB 35KB [ 246.095242] cfq_queue 25KB 73KB [ 246.100644] mqueue_inode_cache 10KB 21KB [ 246.106127] bio-2 14KB 19KB [ 246.123473] jfs_mp 7KB 7KB [ 246.128866] nfs_commit_data 3KB 7KB [ 246.134332] nfs_write_data 34KB 37KB [ 246.139708] ext4_system_zone 0KB 3KB [ 246.157209] bio-1 1KB 3KB [ 246.240912] pid_namespace 1KB 7KB [ 246.246330] rpc_buffers 17KB 19KB [ 246.378690] rpc_tasks 2KB 3KB [ 246.426888] UNIX 8KB 14KB [ 246.511173] tcp_bind_bucket 1KB 4KB [ 246.516534] ip_fib_trie 11KB 15KB [ 246.647988] ip_fib_alias 52KB 63KB [ 246.719266] ip_dst_cache 1KB 8KB [ 246.821151] RAW 40KB 50KB [ 246.826529] UDP 15KB 23KB [ 246.959185] TCP 42KB 47KB [ 247.041644] hugetlbfs_inode_cache 2KB 7KB [ 247.047379] fscache_cookie_jar 0KB 7KB [ 247.153506] eventpoll_pwq 45KB 51KB [ 247.158902] eventpoll_epi 81KB 94KB [ 247.290141] inotify_inode_mark 86KB 86KB [ 247.295615] request_queue 129KB 137KB [ 247.386677] blkdev_requests 1KB 3KB [ 247.420570] blkdev_ioc 42KB 42KB [ 247.425937] bio-0 1050KB 1050KB [ 247.522468] biovec-(1<<(21-12)) 2013KB 2013KB [ 247.528048] biovec-64 1000KB 1000KB [ 247.597814] biovec-16 228KB 228KB [ 247.684300] bio_integrity_payload 1KB 8KB [ 247.771387] khugepaged_mm_slot 0KB 3KB [ 247.776873] dmaengine-unmap-256 2KB 6KB [ 247.903806] dmaengine-unmap-128 1KB 3KB [ 247.909364] dmaengine-unmap-16 0KB 4KB [ 248.063988] dmaengine-unmap-2 0KB 3KB [ 248.069383] skbuff_fclone_cache 2KB 11KB [ 248.214170] skbuff_head_cache 602KB 1147KB [ 248.219551] configfs_dir_cache 0KB 4KB [ 248.357864] file_lock_cache 0KB 3KB [ 248.460586] file_lock_ctx 0KB 3KB [ 248.465954] fsnotify_mark_connector 51KB 51KB [ 248.578596] net_namespace 41KB 41KB [ 248.678797] shmem_inode_cache 6026KB 6026KB [ 248.759182] task_delay_info 135KB 371KB [ 248.850217] taskstats 152KB 160KB [ 248.855630] sigqueue 119KB 322KB [ 248.944597] kernfs_node_cache 10990KB 10993KB [ 248.949987] mnt_cache 6230KB 6328KB [ 249.071279] filp 4395KB 5186KB [ 249.076673] names_cache 108549KB 108549KB [ 249.215422] iint_cache 30KB 63KB [ 249.324371] key_jar 3KB 7KB [ 249.329773] nsproxy 70KB 71KB [ 249.475579] vm_area_struct 7750KB 9393KB [ 249.546088] mm_struct 1235KB 1906KB [ 249.611006] fs_cache 127KB 376KB [ 249.616395] files_cache 484KB 618KB [ 249.680199] signal_cache 904KB 1387KB [ 249.685581] sighand_cache 520KB 520KB [ 249.810122] task_struct 3359KB 3415KB [ 249.815541] cred_jar 781KB 1848KB [ 249.937492] anon_vma_chain 4866KB 5855KB [ 250.027921] anon_vma 207KB 342KB [ 250.140260] pid 79KB 280KB [ 250.228038] Acpi-Operand 107KB 178KB [ 250.355435] Acpi-Namespace 19KB 23KB [ 250.414325] numa_policy 0KB 3KB [ 250.419698] debug_objects_cache 898KB 1021KB [ 250.577373] trace_event_file 247KB 251KB [ 250.695856] ftrace_event_field 353KB 354KB [ 250.811368] pool_workqueue 80KB 84KB [ 250.816771] task_group 4KB 7KB [ 250.904822] page->ptl 1303KB 2858KB [ 251.005696] kmalloc-4194304 5640192KB 5640192KB [ 251.083805] kmalloc-2097152 2050KB 2050KB [ 251.089172] kmalloc-524288 1028KB 1028KB [ 251.269778] kmalloc-262144 1290KB 1290KB [ 251.379630] kmalloc-131072 650KB 650KB [ 251.487199] kmalloc-65536 264KB 264KB [ 251.601374] kmalloc-32768 1254KB 1485KB [ 251.606775] kmalloc-16384 396KB 495KB [ 251.741134] kmalloc-8192 1790KB 1848KB [ 251.746564] kmalloc-4096 19541KB 19541KB [ 251.861997] kmalloc-2048 13738KB 13738KB [ 251.867382] kmalloc-1024 6327KB 6914KB [ 252.055070] kmalloc-512 3236KB 4443KB [ 252.139720] kmalloc-256 3245KB 3495KB [ 252.273809] kmalloc-128 1497KB 1504KB [ 252.279199] kmalloc-96 2881KB 3556KB [ 252.349311] kmalloc-64 2064KB 2156KB [ 252.468457] kmalloc-32 2909KB 3110KB [ 252.618501] kmalloc-192 908KB 920KB [ 252.671871] kmem_cache 202KB 202KB [ 252.677254] Out of memory: Kill process 26439 (syz-executor5) score 999 or sacrifice child [ 252.794716] Killed process 26439 (syz-executor5) total-vm:37704kB, anon-rss:88kB, file-rss:0kB, shmem-rss:0kB [ 252.902773] oom_reaper: reaped process 26439 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 252.917643] syz-executor0 invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=1000 [ 252.999199] syz-executor0 cpuset=syz0 mems_allowed=0 [ 253.068631] CPU: 0 PID: 26445 Comm: syz-executor0 Not tainted 4.16.0-rc7+ #1 [ 253.075865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 253.085211] Call Trace: [ 253.087797] dump_stack+0x153/0x201 [ 253.091425] ? arch_local_irq_restore+0x43/0x43 [ 253.096099] dump_header+0x281/0xddc [ 253.099816] ? debug_check_no_locks_freed+0x310/0x310 [ 253.105000] ? oom_reaper.cold.28+0x28/0x28 [ 253.109337] ? print_usage_bug+0xc0/0xc0 [ 253.113396] ? __lock_acquire+0x72e/0x4c60 [ 253.117650] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 253.122669] ? debug_check_no_locks_freed+0x310/0x310 [ 253.127857] ? print_usage_bug+0xc0/0xc0 [ 253.131917] ? ___ratelimit+0x2dd/0x648 [ 253.135885] ? lock_downgrade+0x900/0x900 [ 253.140034] ? lock_release+0x9b0/0x9b0 [ 253.144028] ? mark_held_locks+0xc7/0x130 [ 253.148186] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 253.153280] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 253.158292] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 253.163387] ? ___ratelimit+0x2dd/0x648 [ 253.167363] ? idr_get_free+0x1550/0x1550 [ 253.171507] ? find_held_lock+0x13f/0x1c0 [ 253.175661] oom_kill_process.cold.29+0xb/0x1013 [ 253.180420] ? has_ns_capability_noaudit+0x147/0x250 [ 253.185525] ? lock_downgrade+0x900/0x900 [ 253.189670] ? oom_evaluate_task+0x450/0x450 [ 253.194086] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 253.198679] ? debug_smp_processor_id+0x17/0x20 [ 253.203870] ? rcu_is_watching+0x69/0x180 [ 253.208021] ? __lock_is_held+0xb5/0x140 [ 253.212091] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 253.216676] ? has_ns_capability_noaudit+0x164/0x250 [ 253.221772] ? has_capability+0x20/0x20 [ 253.225732] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 253.230337] ? oom_unkillable_task+0x2e4/0x480 [ 253.234910] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 253.239924] ? has_capability_noaudit+0x12/0x20 [ 253.244585] ? oom_badness+0x5de/0x930 [ 253.248466] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 253.253049] ? find_lock_task_mm+0x430/0x430 [ 253.257450] ? find_held_lock+0x36/0x1c0 [ 253.261505] ? out_of_memory+0xa05/0x10f0 [ 253.265652] ? lock_downgrade+0x900/0x900 [ 253.269792] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 253.274365] ? debug_smp_processor_id+0x17/0x20 [ 253.279024] ? rcu_is_watching+0x69/0x180 [ 253.283164] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 253.287737] ? oom_evaluate_task+0x296/0x450 [ 253.292175] out_of_memory+0x739/0x10f0 [ 253.296159] ? oom_killer_disable+0x2d0/0x2d0 [ 253.300658] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 253.305573] ? rcu_pm_notify+0xc0/0xc0 [ 253.309449] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 253.313945] __alloc_pages_slowpath+0x2387/0x2e80 [ 253.318805] ? warn_alloc+0x120/0x120 [ 253.322611] ? find_held_lock+0x36/0x1c0 [ 253.326664] ? is_bpf_text_address+0x60/0xe0 [ 253.331076] ? lock_downgrade+0x900/0x900 [ 253.335229] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 253.339805] ? rcu_is_watching+0x69/0x180 [ 253.343943] ? debug_smp_processor_id+0x17/0x20 [ 253.348602] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 253.353187] ? kernel_text_address+0x79/0xf0 [ 253.357591] ? unwind_get_return_address+0x61/0xa0 [ 253.362516] ? find_held_lock+0x36/0x1c0 [ 253.366580] ? lock_release+0x9b0/0x9b0 [ 253.370553] ? check_same_owner+0x330/0x330 [ 253.374870] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 253.380238] ? __might_sleep+0x95/0x190 [ 253.384209] __alloc_pages_nodemask+0xaae/0xe10 [ 253.388870] ? debug_smp_processor_id+0x17/0x20 [ 253.393536] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 253.398552] ? rcu_lockdep_current_cpu_online+0x1ae/0x210 [ 253.404082] ? rcu_is_watching+0x69/0x180 [ 253.408221] ? rcu_pm_notify+0xc0/0xc0 [ 253.412112] ? copy_process.part.37+0x15db/0x4e20 [ 253.416943] ? rcu_read_lock_sched_held+0x108/0x120 [ 253.421953] ? kmem_cache_alloc_node+0x383/0x790 [ 253.426703] ? debug_check_no_locks_freed+0x310/0x310 [ 253.431892] copy_process.part.37+0x40a/0x4e20 [ 253.436558] ? __cleanup_sighand+0x30/0x30 [ 253.440798] ? __lock_acquire+0x72e/0x4c60 [ 253.445049] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 253.450061] ? mem_cgroup_update_lru_size+0xd0/0xd0 [ 253.455076] ? __lock_acquire+0x72e/0x4c60 [ 253.459344] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 253.464354] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 253.469370] ? __lru_cache_add+0x242/0x450 [ 253.473597] ? find_held_lock+0x36/0x1c0 [ 253.477649] ? __pagevec_lru_add+0x20/0x20 [ 253.481884] ? percpu_ref_put_many+0x11b/0x250 [ 253.486454] ? lock_downgrade+0x900/0x900 [ 253.490592] ? debug_smp_processor_id+0x17/0x20 [ 253.495258] ? lru_cache_add+0x1a3/0x370 [ 253.499314] ? lru_cache_add_file+0x10/0x10 [ 253.503628] ? refill_stock+0x1e0/0x1e0 [ 253.507591] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 253.512595] ? __mem_cgroup_threshold+0x930/0x930 [ 253.517428] ? mark_held_locks+0xc7/0x130 [ 253.521593] ? find_held_lock+0x36/0x1c0 [ 253.525651] ? __handle_mm_fault+0x192d/0x4230 [ 253.530235] ? lock_downgrade+0x900/0x900 [ 253.534394] ? lock_release+0x9b0/0x9b0 [ 253.538361] ? change_protection+0x6b0/0x1ac0 [ 253.542854] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 253.547430] ? pte_val+0xf0/0xf0 [ 253.550794] ? _raw_spin_unlock+0x2c/0x50 [ 253.554971] ? __handle_mm_fault+0x192d/0x4230 [ 253.560066] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 253.564812] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 253.569821] ? SyS_remap_file_pages.cold.33+0x83/0x83 [ 253.575009] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 253.580043] _do_fork+0x1a3/0xe50 [ 253.583494] ? __do_page_fault+0x4bf/0xb80 [ 253.587722] ? fork_idle+0x280/0x280 [ 253.591441] ? handle_mm_fault+0x415/0xa00 [ 253.595845] ? __handle_mm_fault+0x4230/0x4230 [ 253.600428] ? up_read+0x1a/0x40 [ 253.603786] ? __do_page_fault+0x4bf/0xb80 [ 253.608026] ? do_mprotect_pkey+0x622/0x830 [ 253.612346] ? mm_fault_error+0x2a0/0x2a0 [ 253.616487] ? mprotect_fixup+0x670/0x670 [ 253.620638] ? do_syscall_64+0xb8/0x980 [ 253.624624] SyS_clone+0x14/0x20 [ 253.627981] do_syscall_64+0x276/0x980 [ 253.631865] ? vmalloc_sync_all+0x20/0x20 [ 253.636005] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 253.640770] ? syscall_return_slowpath+0x4e0/0x4e0 [ 253.645696] ? syscall_return_slowpath+0x215/0x4e0 [ 253.650618] ? prepare_exit_to_usermode+0x300/0x300 [ 253.655626] ? retint_user+0x18/0x18 [ 253.659337] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 253.664466] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 253.669649] RIP: 0033:0x45a089 [ 253.672828] RSP: 002b:00007ffcfd6a2f08 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 253.680531] RAX: ffffffffffffffda RBX: 00007f22b2f23700 RCX: 000000000045a089 [ 253.687799] RDX: 00007f22b2f239d0 RSI: 00007f22b2f22db0 RDI: 00000000003d0f00 [ 253.695058] RBP: 00007ffcfd6a3110 R08: 00007f22b2f23700 R09: 00007f22b2f23700 [ 253.702317] R10: 00007f22b2f239d0 R11: 0000000000000202 R12: 0000000000000000 [ 253.709574] R13: 00007ffcfd6a2fbf R14: 00007f22b2f239c0 R15: 0000000000000001 [ 253.727044] Mem-Info: [ 253.729467] active_anon:4421 inactive_anon:186 isolated_anon:0 [ 253.729467] active_file:56 inactive_file:50 isolated_file:0 [ 253.729467] unevictable:0 dirty:0 writeback:0 unstable:0 [ 253.729467] slab_reclaimable:11687 slab_unreclaimable:1509223 [ 253.729467] mapped:13 shmem:241 pagetables:543 bounce:0 [ 253.729467] free:24372 free_pcp:1 free_cma:0 [ 253.818619] Node 0 active_anon:17684kB inactive_anon:744kB active_file:116kB inactive_file:96kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:152kB dirty:0kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 253.870485] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 253.910214] lowmem_reserve[]: 0 2833 6339 6339 [ 253.914880] Node 0 DMA32 free:44124kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 253.944218] lowmem_reserve[]: 0 0 3505 3505 [ 253.948603] Node 0 Normal free:37764kB min:37280kB low:46600kB high:55920kB active_anon:17684kB inactive_anon:744kB active_file:632kB inactive_file:656kB unevictable:0kB writepending:0kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7328kB pagetables:2172kB bounce:0kB free_pcp:76kB local_pcp:0kB free_cma:0kB [ 253.988230] lowmem_reserve[]: 0 0 0 0 [ 253.992274] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 254.007328] Node 0 DMA32: 5*4kB (UME) 9*8kB (UM) 48*16kB (UME) 78*32kB (UME) 63*64kB (UME) 25*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 44124kB [ 254.042226] Node 0 Normal: 535*4kB (MEH) 701*8kB (UMEH) 313*16kB (UMEH) 132*32kB (UMEH) 73*64kB (UMEH) 44*128kB (UMH) 37*256kB (UME) 3*512kB (UM) 1*1024kB (U) 0*2048kB 0*4096kB = 39316kB [ 254.059720] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 254.071496] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 254.081049] 435 total pagecache pages [ 254.084861] 0 pages in swap cache [ 254.088293] Swap cache stats: add 0, delete 0, find 0/0 [ 254.093689] Free swap = 0kB [ 254.096683] Total swap = 0kB [ 254.099673] 1965979 pages RAM [ 254.106803] 0 pages HighMem/MovableOnly [ 254.111629] 338422 pages reserved [ 254.115095] 0 pages cma reserved [ 254.118456] Unreclaimable slab info: [ 254.122191] Name Used Total [ 254.127748] pid_2 143KB 156KB [ 254.133138] TIPC 10KB 14KB [ 254.138499] SCTPv6 14KB 16KB [ 254.143891] DCCPv6 17KB 21KB [ 254.149252] DCCP 15KB 20KB [ 254.154850] bridge_fdb_cache 11KB 15KB [ 254.160275] fib6_nodes 77KB 96KB [ 254.165652] ip6_dst_cache 383KB 630KB [ 254.171060] RAWv6 68KB 71KB [ 254.176435] UDPv6 3KB 3KB [ 254.184356] TCPv6 25KB 28KB [ 254.189763] sd_ext_cdb 0KB 3KB [ 254.196369] scsi_sense_cache 376KB 376KB [ 254.202303] virtio_scsi_cmd 16KB 16KB [ 254.207670] sgpool-128 10KB 10KB [ 254.213062] sgpool-64 23KB 23KB [ 254.218425] sgpool-32 873KB 873KB [ 254.224231] sgpool-16 270KB 270KB [ 254.229600] sgpool-8 851KB 851KB [ 254.236435] cfq_io_cq 30KB 35KB [ 254.241853] cfq_queue 33KB 73KB [ 254.247214] mqueue_inode_cache 10KB 21KB [ 254.252891] bio-2 14KB 19KB [ 254.258770] jfs_mp 7KB 7KB [ 254.264764] nfs_commit_data 3KB 7KB [ 254.271673] nfs_write_data 34KB 37KB [ 254.277466] ext4_system_zone 0KB 3KB [ 254.284949] bio-1 1KB 3KB [ 254.292120] pid_namespace 1KB 7KB [ 254.305631] rpc_buffers 17KB 19KB [ 254.311699] rpc_tasks 2KB 3KB 2019/03/24 16:53:37 executed programs: 4798 [ 254.345577] UNIX 8KB 14KB [ 254.354273] tcp_bind_bucket 1KB 4KB [ 254.362099] ip_fib_trie 11KB 15KB [ 254.368644] ip_fib_alias 52KB 63KB [ 254.375367] ip_dst_cache 1KB 8KB [ 254.383108] RAW 40KB 50KB [ 254.388612] UDP 15KB 23KB [ 254.394618] TCP 42KB 47KB [ 254.399985] hugetlbfs_inode_cache 2KB 7KB [ 254.409636] fscache_cookie_jar 0KB 7KB [ 254.415318] eventpoll_pwq 45KB 51KB [ 254.431710] eventpoll_epi 81KB 94KB [ 254.454170] inotify_inode_mark 82KB 86KB [ 254.466006] request_queue 129KB 137KB [ 254.481138] blkdev_requests 1KB 3KB [ 254.492875] blkdev_ioc 42KB 42KB [ 254.498878] bio-0 1301KB 1301KB [ 254.536688] biovec-(1<<(21-12)) 2079KB 2079KB [ 254.595276] biovec-64 1134KB 1134KB [ 254.614426] biovec-16 266KB 266KB [ 254.626442] bio_integrity_payload 1KB 8KB [ 254.634229] khugepaged_mm_slot 0KB 3KB [ 254.639877] dmaengine-unmap-256 2KB 6KB [ 254.647717] dmaengine-unmap-128 1KB 3KB [ 254.654042] dmaengine-unmap-16 0KB 4KB [ 254.659948] dmaengine-unmap-2 0KB 3KB [ 254.666031] skbuff_fclone_cache 11KB 11KB [ 254.671733] skbuff_head_cache 602KB 1147KB [ 254.677906] configfs_dir_cache 0KB 4KB [ 254.683627] file_lock_cache 0KB 3KB [ 254.690382] file_lock_ctx 0KB 3KB [ 254.696814] fsnotify_mark_connector 48KB 51KB [ 254.706258] net_namespace 41KB 41KB [ 254.714995] shmem_inode_cache 5994KB 6026KB [ 254.721897] task_delay_info 134KB 371KB [ 254.731358] taskstats 152KB 160KB [ 254.736864] sigqueue 117KB 322KB [ 254.742381] kernfs_node_cache 10990KB 10993KB [ 254.750433] mnt_cache 6122KB 6232KB [ 254.755953] filp 4333KB 5182KB [ 254.765424] names_cache 106381KB 106381KB [ 254.771706] iint_cache 29KB 63KB [ 254.777231] key_jar 3KB 7KB [ 254.782806] nsproxy 70KB 71KB [ 254.788310] vm_area_struct 7652KB 9389KB [ 254.794644] mm_struct 1204KB 1882KB [ 254.800343] fs_cache 125KB 376KB [ 254.805988] files_cache 443KB 611KB [ 254.813425] signal_cache 875KB 1380KB [ 254.823936] sighand_cache 520KB 520KB [ 254.832132] task_struct 3335KB 3390KB [ 254.840318] cred_jar 757KB 1844KB [ 254.851143] anon_vma_chain 4827KB 5855KB [ 254.856794] anon_vma 207KB 342KB [ 254.866191] pid 79KB 280KB [ 254.872198] Acpi-Operand 107KB 178KB [ 254.878803] Acpi-Namespace 19KB 23KB [ 254.885284] numa_policy 0KB 3KB [ 254.891015] debug_objects_cache 897KB 1021KB [ 254.896854] trace_event_file 247KB 251KB [ 254.903166] ftrace_event_field 353KB 354KB [ 254.908998] pool_workqueue 80KB 84KB [ 254.914677] task_group 4KB 7KB [ 254.920512] page->ptl 1280KB 2850KB [ 254.926412] kmalloc-4194304 5636096KB 5640192KB [ 254.932126] kmalloc-2097152 2050KB 2050KB [ 254.937915] kmalloc-524288 1028KB 1028KB [ 254.943837] kmalloc-262144 1290KB 1290KB [ 254.949615] kmalloc-131072 650KB 650KB [ 254.955417] kmalloc-65536 264KB 264KB [ 254.961511] kmalloc-32768 1254KB 1419KB [ 254.967236] kmalloc-16384 379KB 462KB [ 254.973034] kmalloc-8192 1782KB 1831KB [ 254.978855] kmalloc-4096 19133KB 19171KB [ 254.984479] kmalloc-2048 15312KB 15312KB [ 254.990196] kmalloc-1024 6286KB 6914KB [ 254.995756] kmalloc-512 3236KB 4443KB [ 255.001265] kmalloc-256 3223KB 3495KB [ 255.006909] kmalloc-128 1479KB 1504KB [ 255.012499] kmalloc-96 2896KB 3556KB [ 255.018154] kmalloc-64 2052KB 2156KB [ 255.023729] kmalloc-32 2879KB 3110KB [ 255.029227] kmalloc-192 906KB 920KB [ 255.035185] kmem_cache 202KB 202KB [ 255.040926] Out of memory: Kill process 26443 (syz-executor3) score 999 or sacrifice child [ 255.960789] syz-executor5 invoked oom-killer: gfp_mask=0x14002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 255.988034] syz-executor5 cpuset=syz5 mems_allowed=0 [ 255.993293] CPU: 0 PID: 26479 Comm: syz-executor5 Not tainted 4.16.0-rc7+ #1 [ 256.000459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 256.009788] Call Trace: [ 256.012351] dump_stack+0x153/0x201 [ 256.015956] ? arch_local_irq_restore+0x43/0x43 [ 256.020606] dump_header+0x281/0xddc [ 256.024302] ? debug_check_no_locks_freed+0x310/0x310 [ 256.029467] ? oom_reaper.cold.28+0x28/0x28 [ 256.033764] ? print_usage_bug+0xc0/0xc0 [ 256.037801] ? __lock_acquire+0x72e/0x4c60 [ 256.042013] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 256.047011] ? debug_check_no_locks_freed+0x310/0x310 [ 256.052178] ? print_usage_bug+0xc0/0xc0 [ 256.056216] ? ___ratelimit+0x2dd/0x648 [ 256.060161] ? lock_downgrade+0x900/0x900 [ 256.064281] ? lock_release+0x9b0/0x9b0 [ 256.068229] ? mark_held_locks+0xc7/0x130 [ 256.072383] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 256.077516] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 256.082532] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 256.087608] ? ___ratelimit+0x2dd/0x648 [ 256.091554] ? idr_get_free+0x1550/0x1550 [ 256.095671] ? find_held_lock+0x13f/0x1c0 [ 256.099791] oom_kill_process.cold.29+0xb/0x1013 [ 256.104528] ? has_ns_capability_noaudit+0x147/0x250 [ 256.109615] ? lock_downgrade+0x900/0x900 [ 256.113756] ? oom_evaluate_task+0x450/0x450 [ 256.118148] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 256.122708] ? debug_smp_processor_id+0x17/0x20 [ 256.127352] ? rcu_is_watching+0x69/0x180 [ 256.131471] ? __lock_is_held+0xb5/0x140 [ 256.135504] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 256.140088] ? has_ns_capability_noaudit+0x164/0x250 [ 256.145164] ? has_capability+0x20/0x20 [ 256.149109] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 256.153666] ? oom_unkillable_task+0x2e4/0x480 [ 256.158230] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 256.163221] ? has_capability_noaudit+0x12/0x20 [ 256.167861] ? oom_badness+0x5de/0x930 [ 256.171720] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 256.176284] ? find_lock_task_mm+0x430/0x430 [ 256.180699] ? find_held_lock+0x36/0x1c0 [ 256.184750] ? out_of_memory+0xa05/0x10f0 [ 256.188869] ? lock_downgrade+0x900/0x900 [ 256.193004] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 256.197558] ? debug_smp_processor_id+0x17/0x20 [ 256.202214] ? rcu_is_watching+0x69/0x180 [ 256.206346] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 256.210903] ? oom_evaluate_task+0x296/0x450 [ 256.215282] out_of_memory+0x739/0x10f0 [ 256.219233] ? oom_killer_disable+0x2d0/0x2d0 [ 256.223702] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 256.228601] ? __lock_is_held+0xb5/0x140 [ 256.232651] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 256.237123] __alloc_pages_slowpath+0x2387/0x2e80 [ 256.241952] ? warn_alloc+0x120/0x120 [ 256.245738] ? find_held_lock+0x36/0x1c0 [ 256.249781] ? is_bpf_text_address+0x60/0xe0 [ 256.254161] ? lock_downgrade+0x900/0x900 [ 256.258280] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 256.263353] ? debug_smp_processor_id+0x17/0x20 [ 256.268008] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 256.273014] ? __lock_is_held+0xb5/0x140 [ 256.277055] ? lock_release+0x9b0/0x9b0 [ 256.280999] ? check_same_owner+0x330/0x330 [ 256.285297] ? __lock_is_held+0xb5/0x140 [ 256.289326] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 256.293883] ? __might_sleep+0x95/0x190 [ 256.297847] __alloc_pages_nodemask+0xaae/0xe10 [ 256.302489] ? vmap_page_range_noflush+0x4d8/0x7a0 [ 256.307390] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 256.312382] ? free_vmap_block+0xf0/0xf0 [ 256.316427] ? __lock_is_held+0xb5/0x140 [ 256.320481] ? check_same_owner+0x330/0x330 [ 256.324779] alloc_pages_current+0xd6/0x1b0 [ 256.329073] __vmalloc_node_range+0x33d/0x630 [ 256.333546] ? kmem_cache_alloc_node_trace+0x376/0x780 [ 256.338796] __vmalloc_node_flags_caller+0x33/0x40 [ 256.343698] ? newary+0x203/0xad0 [ 256.347125] kvmalloc_node+0x5c/0x80 [ 256.350811] newary+0x203/0xad0 [ 256.354060] ? lookup_undo+0x8c0/0x8c0 [ 256.357914] ? lock_acquire+0x1ed/0x560 [ 256.361860] ? ipcget+0x101/0x1030 [ 256.365375] ? lock_release+0x9b0/0x9b0 [ 256.369325] ? check_same_owner+0x330/0x330 [ 256.373636] ? down_write+0x8a/0x130 [ 256.377346] ? ipcget+0x101/0x1030 [ 256.380872] ? down_read+0x160/0x160 [ 256.384561] ? perf_event_comm+0x420/0x420 [ 256.388773] ipcget+0x139/0x1030 [ 256.392110] ? find_held_lock+0x36/0x1c0 [ 256.396158] ? __might_fault+0xf1/0x1b0 [ 256.400106] ? lock_downgrade+0x900/0x900 [ 256.404226] ? ipc_obtain_object_check+0xd0/0xd0 [ 256.408954] ? lock_release+0x9b0/0x9b0 [ 256.412899] ? check_same_owner+0x330/0x330 [ 256.417194] ? SyS_unshare+0x81e/0xee0 [ 256.421099] ? kasan_check_read+0x11/0x20 [ 256.425219] ? _copy_to_user+0x91/0xb0 [ 256.429079] ? put_timespec64+0xf1/0x190 [ 256.433113] ? nsecs_to_jiffies+0x20/0x20 [ 256.437231] ? SyS_futex+0xfc/0x404 [ 256.440831] ? __do_page_fault+0x4bf/0xb80 [ 256.445039] SyS_semget+0x189/0x2e0 [ 256.448635] ? SyS_clock_gettime+0x127/0x180 [ 256.453012] ? sem_exit_ns+0x40/0x40 [ 256.456703] ? do_syscall_64+0xb8/0x980 [ 256.460663] do_syscall_64+0x276/0x980 [ 256.464524] ? vmalloc_sync_all+0x20/0x20 [ 256.468645] ? _raw_spin_unlock_irq+0x60/0x80 [ 256.473112] ? finish_task_switch+0x1f4/0x890 [ 256.477580] ? syscall_return_slowpath+0x4e0/0x4e0 [ 256.482479] ? syscall_return_slowpath+0x215/0x4e0 [ 256.487390] ? prepare_exit_to_usermode+0x300/0x300 [ 256.492402] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 256.497736] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 256.502559] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 256.507732] RIP: 0033:0x4576b9 [ 256.510901] RSP: 002b:00007f5339774c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000040 [ 256.518581] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004576b9 [ 256.525839] RDX: 0000000000000000 RSI: 0000000000004007 RDI: 0000000000000000 [ 256.533107] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 256.540347] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53397756d4 [ 256.547589] R13: 00000000004c3caa R14: 00000000004d6288 R15: 00000000ffffffff [ 256.558124] Mem-Info: [ 256.618430] active_anon:4499 inactive_anon:186 isolated_anon:0 [ 256.618430] active_file:27 inactive_file:59 isolated_file:27 [ 256.618430] unevictable:0 dirty:1 writeback:2 unstable:0 [ 256.618430] slab_reclaimable:11684 slab_unreclaimable:1508554 [ 256.618430] mapped:35 shmem:241 pagetables:511 bounce:0 [ 256.618430] free:24650 free_pcp:89 free_cma:0 [ 256.666860] Node 0 active_anon:17996kB inactive_anon:744kB active_file:168kB inactive_file:420kB unevictable:0kB isolated(anon):0kB isolated(file):212kB mapped:340kB dirty:4kB writeback:8kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 256.695550] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 256.722409] lowmem_reserve[]: 0 2833 6339 6339 [ 256.727567] Node 0 DMA32 free:43780kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 256.756903] lowmem_reserve[]: 0 0 3505 3505 [ 256.764176] Node 0 Normal free:36828kB min:37280kB low:46600kB high:55920kB active_anon:17996kB inactive_anon:744kB active_file:108kB inactive_file:1124kB unevictable:0kB writepending:12kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7424kB pagetables:2044kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 256.796003] lowmem_reserve[]: 0 0 0 0 [ 256.799931] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 256.816845] Node 0 DMA32: 5*4kB (UME) 2*8kB (M) 26*16kB (UME) 76*32kB (UME) 61*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 43780kB [ 256.833754] Node 0 Normal: 491*4kB (UMEH) 608*8kB (UMEH) 336*16kB (UMEH) 154*32kB (UMEH) 71*64kB (UMEH) 41*128kB (MH) 36*256kB (ME) 1*512kB (M) 1*1024kB (U) 0*2048kB 0*4096kB = 37676kB [ 256.850434] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 256.859261] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 256.867842] 475 total pagecache pages [ 256.871674] 0 pages in swap cache [ 256.875123] Swap cache stats: add 0, delete 0, find 0/0 [ 256.880513] Free swap = 0kB [ 256.883529] Total swap = 0kB [ 256.886575] 1965979 pages RAM [ 256.889682] 0 pages HighMem/MovableOnly [ 256.893658] 338422 pages reserved [ 256.897087] 0 pages cma reserved [ 256.900453] Unreclaimable slab info: [ 256.904180] Name Used Total [ 256.909708] pid_2 143KB 156KB [ 256.915136] TIPC 10KB 14KB [ 256.921345] SCTPv6 14KB 16KB [ 256.926805] DCCPv6 17KB 21KB [ 256.938815] DCCP 15KB 20KB [ 256.944408] bridge_fdb_cache 11KB 15KB [ 256.949878] fib6_nodes 77KB 96KB [ 256.955375] ip6_dst_cache 383KB 630KB [ 256.960984] RAWv6 68KB 71KB [ 256.966472] UDPv6 3KB 3KB [ 256.971959] TCPv6 25KB 28KB [ 256.977450] sd_ext_cdb 0KB 3KB [ 256.982947] scsi_sense_cache 596KB 596KB [ 256.988423] virtio_scsi_cmd 16KB 16KB [ 256.993915] sgpool-128 10KB 10KB [ 256.999494] sgpool-64 23KB 23KB [ 257.005468] sgpool-32 1540KB 1540KB [ 257.011003] sgpool-16 457KB 457KB [ 257.016651] sgpool-8 1316KB 1316KB [ 257.022696] cfq_io_cq 30KB 35KB [ 257.028766] cfq_queue 41KB 73KB [ 257.034895] mqueue_inode_cache 10KB 21KB [ 257.062852] bio-2 14KB 19KB [ 257.068296] jfs_mp 7KB 7KB [ 257.073786] nfs_commit_data 3KB 7KB [ 257.079136] nfs_write_data 34KB 37KB [ 257.084538] ext4_system_zone 0KB 3KB [ 257.089885] bio-1 1KB 3KB [ 257.095264] pid_namespace 1KB 7KB [ 257.100655] rpc_buffers 17KB 19KB [ 257.105996] rpc_tasks 2KB 3KB [ 257.111441] UNIX 8KB 14KB [ 257.116795] tcp_bind_bucket 1KB 4KB [ 257.122576] ip_fib_trie 11KB 15KB [ 257.127937] ip_fib_alias 52KB 63KB [ 257.133307] ip_dst_cache 1KB 8KB [ 257.138652] RAW 40KB 50KB [ 257.144044] UDP 15KB 23KB [ 257.149396] TCP 42KB 47KB [ 257.154822] hugetlbfs_inode_cache 2KB 7KB [ 257.161250] fscache_cookie_jar 0KB 7KB [ 257.166731] eventpoll_pwq 45KB 51KB [ 257.177834] eventpoll_epi 81KB 94KB [ 257.199239] inotify_inode_mark 82KB 86KB [ 257.206487] request_queue 129KB 137KB [ 257.215637] blkdev_requests 1KB 3KB [ 257.221780] blkdev_ioc 42KB 42KB [ 257.228200] bio-0 1878KB 1878KB [ 257.233651] biovec-(1<<(21-12)) 2260KB 2260KB [ 257.239207] biovec-64 1795KB 1795KB [ 257.245752] biovec-16 412KB 412KB [ 257.251384] bio_integrity_payload 1KB 8KB [ 257.263678] khugepaged_mm_slot 0KB 3KB [ 257.269161] dmaengine-unmap-256 2KB 6KB [ 257.274790] dmaengine-unmap-128 1KB 3KB [ 257.280728] dmaengine-unmap-16 0KB 4KB [ 257.286205] dmaengine-unmap-2 0KB 3KB [ 257.291611] skbuff_fclone_cache 11KB 11KB [ 257.297214] skbuff_head_cache 602KB 1147KB [ 257.304251] configfs_dir_cache 0KB 4KB [ 257.309785] file_lock_cache 0KB 3KB [ 257.316452] file_lock_ctx 0KB 3KB [ 257.324337] fsnotify_mark_connector 48KB 51KB [ 257.331236] net_namespace 41KB 41KB [ 257.336670] shmem_inode_cache 5947KB 6018KB [ 257.342308] task_delay_info 134KB 371KB [ 257.347736] taskstats 152KB 160KB [ 257.353213] sigqueue 112KB 318KB [ 257.358658] kernfs_node_cache 10990KB 10993KB [ 257.364114] mnt_cache 5987KB 6116KB [ 257.370282] filp 4215KB 5171KB [ 257.376339] names_cache 102943KB 102964KB [ 257.382366] iint_cache 36KB 63KB [ 257.387854] key_jar 3KB 7KB [ 257.393310] nsproxy 70KB 71KB [ 257.399188] vm_area_struct 7402KB 9381KB [ 257.405098] mm_struct 1204KB 1882KB [ 257.416249] fs_cache 125KB 376KB [ 257.421918] files_cache 443KB 611KB [ 257.427515] signal_cache 875KB 1380KB [ 257.468146] sighand_cache 520KB 520KB [ 257.484834] task_struct 3285KB 3341KB [ 257.490279] cred_jar 742KB 1840KB [ 257.495637] anon_vma_chain 4663KB 5851KB [ 257.501649] anon_vma 207KB 342KB [ 257.507013] pid 79KB 280KB [ 257.512408] Acpi-Operand 107KB 178KB [ 257.517777] Acpi-Namespace 19KB 23KB [ 257.523175] numa_policy 0KB 3KB [ 257.528524] debug_objects_cache 897KB 1021KB [ 257.534114] trace_event_file 247KB 251KB [ 257.539475] ftrace_event_field 353KB 354KB [ 257.544940] pool_workqueue 80KB 84KB [ 257.550310] task_group 4KB 7KB [ 257.555865] page->ptl 1259KB 2838KB [ 257.561988] kmalloc-4194304 5640192KB 5640192KB [ 257.567606] kmalloc-2097152 2050KB 2050KB [ 257.573256] kmalloc-524288 1028KB 1028KB [ 257.579231] kmalloc-262144 1290KB 1290KB [ 257.603964] kmalloc-131072 650KB 650KB [ 257.615862] kmalloc-65536 264KB 264KB [ 257.650454] kmalloc-32768 1254KB 1419KB [ 257.657185] kmalloc-16384 379KB 462KB [ 257.688198] kmalloc-8192 1782KB 1831KB [ 257.860133] kmalloc-4096 18810KB 18831KB [ 257.865528] kmalloc-2048 17684KB 17684KB [ 258.018250] kmalloc-1024 6219KB 6914KB [ 258.090146] kmalloc-512 3220KB 4443KB [ 258.131811] kmalloc-256 3223KB 3495KB [ 258.188979] kmalloc-128 1479KB 1504KB [ 258.219731] kmalloc-96 2896KB 3556KB [ 258.297593] kmalloc-64 2052KB 2156KB [ 258.336821] kmalloc-32 2842KB 3110KB [ 258.396031] kmalloc-192 906KB 920KB [ 258.567834] kmem_cache 202KB 202KB [ 258.620411] Out of memory: Kill process 26477 (syz-executor5) score 999 or sacrifice child [ 258.631179] Killed process 26477 (syz-executor5) total-vm:37704kB, anon-rss:88kB, file-rss:0kB, shmem-rss:0kB [ 258.649504] oom_reaper: reaped process 26477 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 258.760818] syz-execprog invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 258.817161] syz-execprog cpuset=/ mems_allowed=0 [ 258.833646] CPU: 0 PID: 5557 Comm: syz-execprog Not tainted 4.16.0-rc7+ #1 [ 258.840663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 258.850029] Call Trace: [ 258.852613] dump_stack+0x153/0x201 [ 258.856233] ? arch_local_irq_restore+0x43/0x43 [ 258.860898] ? debug_check_no_locks_freed+0x310/0x310 [ 258.866092] dump_header+0x281/0xddc [ 258.869824] ? oom_reaper.cold.28+0x28/0x28 [ 258.874139] ? print_usage_bug+0xc0/0xc0 [ 258.878195] ? __lock_acquire+0x72e/0x4c60 [ 258.882424] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 258.887445] ? print_usage_bug+0xc0/0xc0 [ 258.891503] ? ___ratelimit+0x2dd/0x648 [ 258.895471] ? lock_downgrade+0x900/0x900 [ 258.899610] ? lock_release+0x9b0/0x9b0 [ 258.903576] ? mark_held_locks+0xc7/0x130 [ 258.907717] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 258.912819] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 258.917828] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 258.922921] ? ___ratelimit+0x2dd/0x648 [ 258.926882] ? idr_get_free+0x1550/0x1550 [ 258.931023] ? find_held_lock+0x13f/0x1c0 [ 258.935166] oom_kill_process.cold.29+0xb/0x1013 [ 258.939941] ? has_ns_capability_noaudit+0x147/0x250 [ 258.945042] ? lock_downgrade+0x900/0x900 [ 258.949187] ? oom_evaluate_task+0x450/0x450 [ 258.953616] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 258.958209] ? debug_smp_processor_id+0x17/0x20 [ 258.962874] ? rcu_is_watching+0x69/0x180 [ 258.967011] ? __lock_is_held+0xb5/0x140 [ 258.971066] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 258.975646] ? has_ns_capability_noaudit+0x164/0x250 [ 258.980733] ? has_capability+0x20/0x20 [ 258.984720] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 258.989305] ? oom_unkillable_task+0x2e4/0x480 [ 258.993889] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 258.998899] ? has_capability_noaudit+0x12/0x20 [ 259.003560] ? oom_badness+0x5de/0x930 [ 259.007430] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 259.011992] ? find_lock_task_mm+0x430/0x430 [ 259.016407] ? find_held_lock+0x36/0x1c0 [ 259.020463] ? out_of_memory+0xa05/0x10f0 [ 259.024603] ? lock_downgrade+0x900/0x900 [ 259.028749] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 259.033317] ? debug_smp_processor_id+0x17/0x20 [ 259.037969] ? rcu_is_watching+0x69/0x180 [ 259.042103] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 259.046676] ? oom_evaluate_task+0x296/0x450 [ 259.051079] out_of_memory+0x739/0x10f0 [ 259.055052] ? oom_killer_disable+0x2d0/0x2d0 [ 259.059535] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 259.064447] ? __lock_is_held+0xb5/0x140 [ 259.068492] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 259.072981] __alloc_pages_slowpath+0x2387/0x2e80 [ 259.077829] ? warn_alloc+0x120/0x120 [ 259.081616] ? lock_downgrade+0x900/0x900 [ 259.085764] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 259.090329] ? debug_smp_processor_id+0x17/0x20 [ 259.095029] ? rcu_is_watching+0x69/0x180 [ 259.099167] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 259.103758] ? find_get_entry+0x217/0xa40 [ 259.107904] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 259.112927] ? __lock_is_held+0xb5/0x140 [ 259.116978] ? debug_check_no_locks_freed+0x310/0x310 [ 259.122163] ? lock_release+0x9b0/0x9b0 [ 259.126142] ? check_same_owner+0x330/0x330 [ 259.130459] ? debug_smp_processor_id+0x17/0x20 [ 259.135119] ? rcu_is_watching+0x69/0x180 [ 259.139271] ? __might_sleep+0x95/0x190 [ 259.143251] __alloc_pages_nodemask+0xaae/0xe10 [ 259.147914] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 259.152924] ? find_get_pages_contig+0x12e0/0x12e0 [ 259.157842] ? read_cache_pages+0x960/0x960 [ 259.162158] ? lock_downgrade+0x900/0x900 [ 259.166309] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 259.171316] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 259.176323] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 259.181326] ? debug_stats_show+0xd0/0xd0 [ 259.185467] ? find_held_lock+0x36/0x1c0 [ 259.189516] alloc_pages_current+0xd6/0x1b0 [ 259.193853] __page_cache_alloc+0x2d8/0x570 [ 259.198179] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 259.202773] ? debug_smp_processor_id+0x17/0x20 [ 259.207443] ? rcu_is_watching+0x69/0x180 [ 259.211602] ? __filemap_set_wb_err+0x320/0x320 [ 259.216261] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 259.220874] ? filemap_fault+0x142f/0x1c50 [ 259.225107] filemap_fault+0x1087/0x1c50 [ 259.229166] ? __lock_page_or_retry+0x450/0x450 [ 259.233826] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 259.238405] ? filemap_map_pages+0x907/0x16e0 [ 259.242894] ? find_get_pages_range_tag+0x1020/0x1020 [ 259.248079] ? debug_check_no_locks_freed+0x310/0x310 [ 259.253259] ? select_estimate_accuracy+0x440/0x440 [ 259.258281] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 259.263310] ? print_usage_bug+0xc0/0xc0 [ 259.267357] ? print_usage_bug+0xc0/0xc0 [ 259.271402] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 259.276419] ? debug_check_no_locks_freed+0x310/0x310 [ 259.281612] ? print_usage_bug+0xc0/0xc0 [ 259.285671] ? lock_acquire+0x1ed/0x560 [ 259.289642] ? ext4_filemap_fault+0x75/0xa5 [ 259.293959] ? lock_release+0x9b0/0x9b0 [ 259.297926] ? check_same_owner+0x330/0x330 [ 259.302236] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 259.307240] ? ext4_filemap_fault+0x88/0xa5 [ 259.311566] ? down_read+0x99/0x160 [ 259.315210] ? ext4_filemap_fault+0x75/0xa5 [ 259.319530] ? __down_interruptible+0x700/0x700 [ 259.324202] ext4_filemap_fault+0x7d/0xa5 [ 259.328339] __do_fault+0xe8/0x3d0 [ 259.331857] ? lock_downgrade+0x900/0x900 [ 259.335989] ? pmd_devmap_trans_unstable+0x130/0x130 [ 259.341078] ? add_mm_counter_fast+0xc0/0xc0 [ 259.345471] ? add_mm_counter_fast+0xc0/0xc0 [ 259.349868] __handle_mm_fault+0x2294/0x4230 [ 259.354273] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 259.359028] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 259.364060] ? handle_mm_fault+0x35c/0xa00 [ 259.368310] ? lock_downgrade+0x900/0x900 [ 259.372452] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 259.377032] ? debug_smp_processor_id+0x17/0x20 [ 259.381694] ? rcu_is_watching+0x69/0x180 [ 259.385844] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 259.390414] ? handle_mm_fault+0x6d3/0xa00 [ 259.394645] handle_mm_fault+0x415/0xa00 [ 259.398700] ? __handle_mm_fault+0x4230/0x4230 [ 259.403289] __do_page_fault+0x493/0xb80 [ 259.407351] ? mm_fault_error+0x2a0/0x2a0 [ 259.411492] ? do_syscall_64+0xb8/0x980 [ 259.415459] do_page_fault+0xe1/0x6f4 [ 259.419254] ? vmalloc_sync_all+0x20/0x20 [ 259.423395] ? syscall_slow_exit_work+0x420/0x420 [ 259.428250] ? syscall_return_slowpath+0x4e0/0x4e0 [ 259.433177] ? retint_user+0x18/0x18 [ 259.436882] ? page_fault+0x2f/0x50 [ 259.440510] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 259.445372] ? page_fault+0x2f/0x50 [ 259.448990] page_fault+0x45/0x50 [ 259.452435] RIP: 0033:0x434298 [ 259.455615] RSP: 002b:000000c420037f38 EFLAGS: 00010216 [ 259.460967] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 00000000004577a1 [ 259.468225] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 259.475484] RBP: 000000c420037fb0 R08: 000000c420037f18 R09: 0000000000000000 [ 259.482757] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000042d030 [ 259.490024] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 259.531574] Mem-Info: [ 259.534191] active_anon:4469 inactive_anon:186 isolated_anon:0 [ 259.534191] active_file:257 inactive_file:536 isolated_file:80 [ 259.534191] unevictable:0 dirty:0 writeback:0 unstable:0 [ 259.534191] slab_reclaimable:11664 slab_unreclaimable:1508413 [ 259.534191] mapped:580 shmem:241 pagetables:507 bounce:0 [ 259.534191] free:24345 free_pcp:184 free_cma:0 [ 259.567680] Node 0 active_anon:17676kB inactive_anon:744kB active_file:1528kB inactive_file:2408kB unevictable:0kB isolated(anon):0kB isolated(file):320kB mapped:3020kB dirty:0kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 259.615379] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 259.643301] lowmem_reserve[]: 0 2833 6339 6339 [ 259.648369] Node 0 DMA32 free:43780kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 259.684727] lowmem_reserve[]: 0 0 3505 3505 [ 259.689103] Node 0 Normal free:40168kB min:37280kB low:46600kB high:55920kB active_anon:17976kB inactive_anon:744kB active_file:604kB inactive_file:1988kB unevictable:0kB writepending:0kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7104kB pagetables:2028kB bounce:0kB free_pcp:692kB local_pcp:0kB free_cma:0kB [ 259.718265] lowmem_reserve[]: 0 0 0 0 [ 259.723476] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 259.737197] Node 0 DMA32: 6*4kB (UME) 28*8kB (UM) 35*16kB (UME) 76*32kB (UME) 61*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 44136kB [ 259.755440] Node 0 Normal: 238*4kB (UMEH) 656*8kB (UMEH) 432*16kB (UMEH) 178*32kB (UMEH) 75*64kB (UMEH) 41*128kB (MH) 36*256kB (ME) 1*512kB (M) 1*1024kB (U) 0*2048kB 0*4096kB = 39608kB [ 259.776642] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB 2019/03/24 16:53:43 executed programs: 4809 [ 259.786175] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 259.795420] 1269 total pagecache pages [ 259.799853] 0 pages in swap cache [ 259.809092] Swap cache stats: add 0, delete 0, find 0/0 [ 259.822468] Free swap = 0kB [ 259.830649] Total swap = 0kB [ 259.837823] 1965979 pages RAM [ 259.841219] 0 pages HighMem/MovableOnly [ 259.845294] 338422 pages reserved [ 259.849677] 0 pages cma reserved [ 259.853882] Unreclaimable slab info: [ 259.857715] Name Used Total [ 259.865266] pid_2 137KB 156KB [ 259.875627] TIPC 10KB 14KB [ 259.930536] SCTPv6 14KB 16KB [ 259.952014] DCCPv6 17KB 21KB [ 259.962396] blkid (26474) used greatest stack depth: 6856 bytes left [ 259.966626] DCCP 15KB 20KB [ 260.015446] bridge_fdb_cache 11KB 15KB [ 260.028306] fib6_nodes 77KB 96KB [ 260.033972] ip6_dst_cache 366KB 630KB [ 260.045013] RAWv6 68KB 71KB [ 260.050691] UDPv6 3KB 3KB [ 260.062458] TCPv6 8KB 28KB [ 260.101045] sd_ext_cdb 0KB 3KB [ 260.135106] scsi_sense_cache 664KB 664KB [ 260.164645] virtio_scsi_cmd 16KB 16KB [ 260.170183] sgpool-128 10KB 10KB [ 260.175578] sgpool-64 23KB 23KB [ 260.181030] sgpool-32 1835KB 1835KB [ 260.186399] sgpool-16 551KB 551KB [ 260.199054] sgpool-8 1563KB 1563KB [ 260.215411] cfq_io_cq 30KB 35KB [ 260.220961] cfq_queue 41KB 73KB [ 260.226479] mqueue_inode_cache 10KB 21KB [ 260.232391] bio-2 14KB 19KB [ 260.237861] jfs_mp 7KB 7KB [ 260.243442] nfs_commit_data 3KB 7KB [ 260.248814] nfs_write_data 34KB 37KB [ 260.254514] ext4_system_zone 0KB 3KB [ 260.261102] bio-1 1KB 3KB [ 260.269040] pid_namespace 1KB 7KB [ 260.300705] rpc_buffers 17KB 19KB [ 260.307979] rpc_tasks 2KB 3KB [ 260.317314] UNIX 8KB 14KB [ 260.325219] tcp_bind_bucket 1KB 4KB [ 260.337498] ip_fib_trie 11KB 15KB [ 260.351289] ip_fib_alias 52KB 63KB [ 260.360296] ip_dst_cache 1KB 8KB [ 260.365680] RAW 40KB 50KB [ 260.371492] UDP 15KB 23KB [ 260.383337] TCP 31KB 47KB [ 260.393243] hugetlbfs_inode_cache 2KB 7KB [ 260.401684] fscache_cookie_jar 0KB 7KB [ 260.409216] eventpoll_pwq 40KB 51KB [ 260.415343] eventpoll_epi 72KB 94KB [ 260.421569] inotify_inode_mark 73KB 86KB [ 260.428029] request_queue 129KB 137KB [ 260.434413] blkdev_requests 1KB 3KB [ 260.441621] blkdev_ioc 42KB 42KB [ 260.448180] bio-0 2265KB 2265KB [ 260.455254] biovec-(1<<(21-12)) 2590KB 2590KB [ 260.462364] biovec-64 2063KB 2063KB [ 260.469181] biovec-16 487KB 487KB [ 260.480527] bio_integrity_payload 1KB 8KB [ 260.487131] khugepaged_mm_slot 0KB 3KB [ 260.495000] dmaengine-unmap-256 2KB 6KB [ 260.515725] dmaengine-unmap-128 1KB 3KB [ 260.525429] dmaengine-unmap-16 0KB 4KB [ 260.557716] dmaengine-unmap-2 0KB 3KB [ 260.571139] skbuff_fclone_cache 4KB 11KB [ 260.620517] skbuff_head_cache 602KB 1147KB [ 260.629783] configfs_dir_cache 0KB 4KB [ 260.645975] file_lock_cache 0KB 3KB [ 260.652184] file_lock_ctx 0KB 3KB [ 260.658343] fsnotify_mark_connector 43KB 51KB [ 260.666503] net_namespace 41KB 41KB [ 260.671977] shmem_inode_cache 5893KB 5995KB [ 260.677348] task_delay_info 124KB 371KB [ 260.682774] taskstats 148KB 160KB [ 260.688150] sigqueue 94KB 315KB [ 260.693597] kernfs_node_cache 10990KB 10993KB [ 260.698976] mnt_cache 5866KB 6036KB [ 260.704398] filp 4063KB 5133KB [ 260.709809] names_cache 99518KB 99556KB [ 260.715320] iint_cache 33KB 63KB [ 260.720731] key_jar 3KB 7KB [ 260.726131] nsproxy 68KB 71KB [ 260.731555] vm_area_struct 7130KB 9366KB [ 260.736924] mm_struct 1157KB 1867KB [ 260.742341] fs_cache 113KB 360KB [ 260.752043] files_cache 381KB 581KB [ 260.780212] signal_cache 832KB 1380KB [ 260.790204] sighand_cache 497KB 520KB [ 260.796907] task_struct 3211KB 3267KB [ 260.809600] cred_jar 718KB 1836KB [ 260.816808] anon_vma_chain 4479KB 5843KB [ 260.822917] anon_vma 207KB 342KB [ 260.828461] pid 73KB 280KB [ 260.834317] Acpi-Operand 107KB 178KB [ 260.839882] Acpi-Namespace 19KB 23KB [ 260.845700] numa_policy 0KB 3KB [ 260.870602] debug_objects_cache 896KB 1021KB [ 260.971972] trace_event_file 247KB 251KB [ 260.994824] ftrace_event_field 353KB 354KB [ 261.020520] pool_workqueue 80KB 84KB [ 261.034549] task_group 4KB 7KB [ 261.040300] page->ptl 1218KB 2834KB [ 261.045873] kmalloc-4194304 5640192KB 5640192KB [ 261.052073] kmalloc-2097152 2050KB 2050KB [ 261.057601] kmalloc-524288 1028KB 1028KB [ 261.063135] kmalloc-262144 1290KB 1290KB [ 261.068540] kmalloc-131072 650KB 650KB [ 261.073959] kmalloc-65536 264KB 264KB [ 261.079323] kmalloc-32768 1254KB 1353KB [ 261.084767] kmalloc-16384 379KB 429KB [ 261.091174] kmalloc-8192 1782KB 1815KB [ 261.096554] kmalloc-4096 18258KB 18279KB [ 261.101986] kmalloc-2048 19902KB 19902KB [ 261.107357] kmalloc-1024 6165KB 6914KB [ 261.120140] kmalloc-512 3152KB 4436KB [ 261.126109] kmalloc-256 3203KB 3495KB [ 261.132917] kmalloc-128 1452KB 1504KB [ 261.138292] kmalloc-96 2926KB 3556KB [ 261.143780] kmalloc-64 2040KB 2156KB [ 261.149156] kmalloc-32 2797KB 3110KB [ 261.155613] kmalloc-192 899KB 920KB [ 261.161875] kmem_cache 202KB 202KB [ 261.167599] Out of memory: Kill process 26483 (syz-executor3) score 999 or sacrifice child [ 261.274023] syz-executor1 invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=1000 [ 261.306054] syz-executor1 cpuset=syz1 mems_allowed=0 [ 261.352895] CPU: 1 PID: 26512 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #1 [ 261.360121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 261.369481] Call Trace: [ 261.372077] dump_stack+0x153/0x201 [ 261.375711] ? arch_local_irq_restore+0x43/0x43 [ 261.380425] dump_header+0x281/0xddc [ 261.384262] ? debug_check_no_locks_freed+0x310/0x310 [ 261.389461] ? oom_reaper.cold.28+0x28/0x28 [ 261.393800] ? print_usage_bug+0xc0/0xc0 [ 261.397874] ? __lock_acquire+0x72e/0x4c60 [ 261.402117] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 261.407154] ? debug_check_no_locks_freed+0x310/0x310 [ 261.412468] ? print_usage_bug+0xc0/0xc0 [ 261.416546] ? ___ratelimit+0x2dd/0x648 [ 261.421095] ? lock_downgrade+0x900/0x900 [ 261.425403] ? lock_release+0x9b0/0x9b0 [ 261.429387] ? mark_held_locks+0xc7/0x130 [ 261.433550] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 261.438662] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 261.443687] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 261.448808] ? ___ratelimit+0x2dd/0x648 [ 261.452801] ? idr_get_free+0x1550/0x1550 [ 261.456947] ? find_held_lock+0x13f/0x1c0 [ 261.461087] oom_kill_process.cold.29+0xb/0x1013 [ 261.465833] ? has_ns_capability_noaudit+0x147/0x250 [ 261.470946] ? lock_downgrade+0x900/0x900 [ 261.475166] ? oom_evaluate_task+0x450/0x450 [ 261.479562] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 261.484130] ? debug_smp_processor_id+0x17/0x20 [ 261.488794] ? rcu_is_watching+0x69/0x180 [ 261.492926] ? __lock_is_held+0xb5/0x140 [ 261.496976] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 261.501553] ? has_ns_capability_noaudit+0x164/0x250 [ 261.506643] ? has_capability+0x20/0x20 [ 261.510606] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 261.515175] ? oom_unkillable_task+0x2e4/0x480 [ 261.519739] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 261.524784] ? has_capability_noaudit+0x12/0x20 [ 261.529436] ? oom_badness+0x5de/0x930 [ 261.533308] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 261.537875] ? find_lock_task_mm+0x430/0x430 [ 261.542273] ? find_held_lock+0x36/0x1c0 [ 261.546324] ? out_of_memory+0xa05/0x10f0 [ 261.550459] ? lock_downgrade+0x900/0x900 [ 261.554592] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 261.559513] ? debug_smp_processor_id+0x17/0x20 [ 261.564180] ? rcu_is_watching+0x69/0x180 [ 261.568315] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 261.572930] ? oom_evaluate_task+0x296/0x450 [ 261.577330] out_of_memory+0x739/0x10f0 [ 261.581451] ? oom_killer_disable+0x2d0/0x2d0 [ 261.585977] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 261.590893] ? rcu_pm_notify+0xc0/0xc0 [ 261.594784] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 261.599266] __alloc_pages_slowpath+0x2387/0x2e80 [ 261.604105] ? warn_alloc+0x120/0x120 [ 261.607893] ? find_held_lock+0x36/0x1c0 [ 261.611946] ? is_bpf_text_address+0x60/0xe0 [ 261.616338] ? lock_downgrade+0x900/0x900 [ 261.620472] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 261.625039] ? rcu_is_watching+0x69/0x180 [ 261.629169] ? debug_smp_processor_id+0x17/0x20 [ 261.633873] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 261.638448] ? kernel_text_address+0x79/0xf0 [ 261.642845] ? unwind_get_return_address+0x61/0xa0 [ 261.647780] ? find_held_lock+0x36/0x1c0 [ 261.651836] ? lock_release+0x9b0/0x9b0 [ 261.655845] ? check_same_owner+0x330/0x330 [ 261.660156] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 261.665575] ? __might_sleep+0x95/0x190 [ 261.669542] __alloc_pages_nodemask+0xaae/0xe10 [ 261.674199] ? debug_smp_processor_id+0x17/0x20 [ 261.678854] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 261.683866] ? rcu_lockdep_current_cpu_online+0x1ae/0x210 [ 261.689437] ? rcu_is_watching+0x69/0x180 [ 261.693575] ? rcu_pm_notify+0xc0/0xc0 [ 261.697460] ? copy_process.part.37+0x15db/0x4e20 [ 261.702290] ? rcu_read_lock_sched_held+0x108/0x120 [ 261.707294] ? kmem_cache_alloc_node+0x383/0x790 [ 261.712042] ? debug_check_no_locks_freed+0x310/0x310 [ 261.717222] copy_process.part.37+0x40a/0x4e20 [ 261.721804] ? __cleanup_sighand+0x30/0x30 [ 261.726031] ? __lock_acquire+0x72e/0x4c60 [ 261.730257] ? mem_cgroup_update_lru_size+0xd0/0xd0 [ 261.735311] ? __lock_acquire+0x72e/0x4c60 [ 261.739537] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 261.744542] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 261.749551] ? __lru_cache_add+0x242/0x450 [ 261.753790] ? find_held_lock+0x36/0x1c0 [ 261.757842] ? __pagevec_lru_add+0x20/0x20 [ 261.762069] ? percpu_ref_put_many+0x11b/0x250 [ 261.766651] ? lock_downgrade+0x900/0x900 [ 261.770843] ? debug_smp_processor_id+0x17/0x20 [ 261.775504] ? lru_cache_add+0x1a3/0x370 [ 261.779555] ? lru_cache_add_file+0x10/0x10 [ 261.783864] ? refill_stock+0x1e0/0x1e0 [ 261.787826] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 261.792830] ? __mem_cgroup_threshold+0x930/0x930 [ 261.797661] ? mark_held_locks+0xc7/0x130 [ 261.801802] ? find_held_lock+0x36/0x1c0 [ 261.805853] ? __handle_mm_fault+0x192d/0x4230 [ 261.810421] ? lock_downgrade+0x900/0x900 [ 261.814557] ? lock_release+0x9b0/0x9b0 [ 261.818514] ? change_protection+0x6b0/0x1ac0 [ 261.823000] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 261.827569] ? pte_val+0xf0/0xf0 [ 261.830928] ? _raw_spin_unlock+0x2c/0x50 [ 261.835060] ? __handle_mm_fault+0x192d/0x4230 [ 261.839628] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 261.844368] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 261.849370] ? SyS_remap_file_pages.cold.33+0x83/0x83 [ 261.854545] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 261.859554] _do_fork+0x1a3/0xe50 [ 261.863000] ? __do_page_fault+0x4bf/0xb80 [ 261.867224] ? fork_idle+0x280/0x280 [ 261.870927] ? handle_mm_fault+0x415/0xa00 [ 261.875146] ? __handle_mm_fault+0x4230/0x4230 [ 261.879714] ? up_read+0x1a/0x40 [ 261.883076] ? __do_page_fault+0x4bf/0xb80 [ 261.887296] ? do_mprotect_pkey+0x622/0x830 [ 261.891613] ? mm_fault_error+0x2a0/0x2a0 [ 261.895884] ? mprotect_fixup+0x670/0x670 [ 261.900028] ? do_syscall_64+0xb8/0x980 [ 261.904004] SyS_clone+0x14/0x20 [ 261.907491] do_syscall_64+0x276/0x980 [ 261.911412] ? vmalloc_sync_all+0x20/0x20 [ 261.915546] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 261.920289] ? syscall_return_slowpath+0x4e0/0x4e0 [ 261.925205] ? syscall_return_slowpath+0x215/0x4e0 [ 261.930123] ? prepare_exit_to_usermode+0x300/0x300 [ 261.935125] ? retint_user+0x18/0x18 [ 261.938828] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 261.943658] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 261.948831] RIP: 0033:0x45a089 [ 261.952005] RSP: 002b:00007ffd3a466848 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 261.959698] RAX: ffffffffffffffda RBX: 00007ff45d113700 RCX: 000000000045a089 [ 261.966952] RDX: 00007ff45d1139d0 RSI: 00007ff45d112db0 RDI: 00000000003d0f00 [ 261.974209] RBP: 00007ffd3a466a50 R08: 00007ff45d113700 R09: 00007ff45d113700 [ 261.981465] R10: 00007ff45d1139d0 R11: 0000000000000202 R12: 0000000000000000 [ 261.988718] R13: 00007ffd3a4668ff R14: 00007ff45d1139c0 R15: 0000000000000001 [ 261.996277] Mem-Info: [ 261.998711] active_anon:4394 inactive_anon:189 isolated_anon:0 [ 261.998711] active_file:43 inactive_file:70 isolated_file:15 [ 261.998711] unevictable:0 dirty:0 writeback:0 unstable:0 [ 261.998711] slab_reclaimable:11674 slab_unreclaimable:1508097 [ 261.998711] mapped:58 shmem:241 pagetables:467 bounce:0 [ 261.998711] free:24121 free_pcp:115 free_cma:0 [ 262.031508] Node 0 active_anon:17576kB inactive_anon:756kB active_file:172kB inactive_file:280kB unevictable:0kB isolated(anon):0kB isolated(file):60kB mapped:232kB dirty:0kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 262.058709] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 262.084963] lowmem_reserve[]: 0 2833 6339 6339 [ 262.089549] Node 0 DMA32 free:43760kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 262.116813] lowmem_reserve[]: 0 0 3505 3505 [ 262.121308] Node 0 Normal free:37164kB min:37280kB low:46600kB high:55920kB active_anon:17576kB inactive_anon:756kB active_file:136kB inactive_file:164kB unevictable:0kB writepending:0kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7168kB pagetables:1868kB bounce:0kB free_pcp:544kB local_pcp:0kB free_cma:0kB [ 262.160637] lowmem_reserve[]: 0 0 0 0 [ 262.164476] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 262.179651] Node 0 DMA32: 4*4kB (UME) 2*8kB (M) 25*16kB (UME) 76*32kB (UME) 61*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 43760kB [ 262.295310] Node 0 Normal: 804*4kB (MEH) 585*8kB (UMEH) 308*16kB (MEH) 121*32kB (UMEH) 69*64kB (UMEH) 43*128kB (UMH) 36*256kB (ME) 1*512kB (M) 1*1024kB (U) 0*2048kB 0*4096kB = 37368kB [ 262.328586] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 262.338578] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 262.386329] 299 total pagecache pages [ 262.434552] 0 pages in swap cache [ 262.438026] Swap cache stats: add 0, delete 0, find 0/0 [ 262.518796] Free swap = 0kB [ 262.587847] Total swap = 0kB [ 262.673262] 1965979 pages RAM [ 262.676412] 0 pages HighMem/MovableOnly [ 262.793787] 338422 pages reserved [ 262.797272] 0 pages cma reserved [ 262.897936] Unreclaimable slab info: [ 262.967587] Name Used Total [ 263.084788] pid_2 137KB 156KB [ 263.182244] TIPC 10KB 14KB [ 263.191516] SCTPv6 14KB 16KB [ 263.196940] DCCPv6 17KB 21KB [ 263.203916] DCCP 15KB 20KB [ 263.209418] bridge_fdb_cache 11KB 15KB [ 263.214997] fib6_nodes 77KB 96KB [ 263.220483] ip6_dst_cache 366KB 630KB [ 263.225948] RAWv6 68KB 71KB [ 263.231399] UDPv6 3KB 3KB [ 263.236811] TCPv6 8KB 28KB [ 263.242426] sd_ext_cdb 0KB 3KB [ 263.247918] scsi_sense_cache 732KB 732KB [ 263.253487] virtio_scsi_cmd 16KB 16KB [ 263.258870] sgpool-128 10KB 10KB [ 263.264299] sgpool-64 23KB 23KB [ 263.269671] sgpool-32 2158KB 2158KB [ 263.275084] sgpool-16 637KB 637KB [ 263.280561] sgpool-8 1736KB 1736KB [ 263.285937] cfq_io_cq 30KB 35KB [ 263.291875] cfq_queue 41KB 73KB [ 263.297459] mqueue_inode_cache 10KB 21KB [ 263.302988] bio-2 14KB 19KB [ 263.308361] jfs_mp 7KB 7KB [ 263.316139] nfs_commit_data 3KB 7KB [ 263.326262] nfs_write_data 34KB 37KB [ 263.334996] ext4_system_zone 0KB 3KB [ 263.340435] bio-1 1KB 3KB [ 263.345828] pid_namespace 1KB 7KB [ 263.351252] rpc_buffers 17KB 19KB [ 263.356669] rpc_tasks 2KB 3KB [ 263.362330] UNIX 8KB 14KB [ 263.367849] tcp_bind_bucket 1KB 4KB [ 263.373395] ip_fib_trie 11KB 15KB [ 263.378895] ip_fib_alias 52KB 63KB [ 263.384496] ip_dst_cache 1KB 8KB [ 263.389863] RAW 40KB 50KB [ 263.395454] UDP 15KB 23KB [ 263.400855] TCP 31KB 47KB [ 263.406219] hugetlbfs_inode_cache 2KB 7KB [ 263.411992] fscache_cookie_jar 0KB 7KB [ 263.417439] eventpoll_pwq 40KB 51KB [ 263.422840] eventpoll_epi 72KB 94KB [ 263.428206] inotify_inode_mark 73KB 86KB [ 263.433700] request_queue 129KB 137KB [ 263.439101] blkdev_requests 1KB 3KB [ 263.445082] blkdev_ioc 42KB 42KB [ 263.455168] bio-0 2463KB 2463KB [ 263.460690] biovec-(1<<(21-12)) 2706KB 2706KB [ 263.466310] biovec-64 2244KB 2244KB [ 263.471705] biovec-16 525KB 525KB [ 263.477058] bio_integrity_payload 1KB 8KB [ 263.482803] khugepaged_mm_slot 0KB 3KB [ 263.488248] dmaengine-unmap-256 2KB 6KB [ 263.493818] dmaengine-unmap-128 1KB 3KB [ 263.499349] dmaengine-unmap-16 0KB 4KB [ 263.504817] dmaengine-unmap-2 0KB 3KB [ 263.510200] skbuff_fclone_cache 4KB 11KB [ 263.515733] skbuff_head_cache 602KB 1147KB [ 263.521289] configfs_dir_cache 0KB 4KB [ 263.526734] file_lock_cache 0KB 3KB [ 263.532159] file_lock_ctx 0KB 3KB [ 263.537527] fsnotify_mark_connector 43KB 51KB [ 263.543481] net_namespace 41KB 41KB [ 263.548838] shmem_inode_cache 5877KB 5995KB [ 263.554389] task_delay_info 124KB 371KB [ 263.560489] taskstats 148KB 160KB [ 263.566077] sigqueue 94KB 315KB [ 263.572994] kernfs_node_cache 10990KB 10993KB [ 263.578492] mnt_cache 5825KB 6000KB [ 263.589435] filp 4030KB 5133KB [ 263.595030] names_cache 99101KB 99139KB [ 263.613961] iint_cache 33KB 63KB [ 263.619341] key_jar 3KB 7KB [ 263.624820] nsproxy 68KB 71KB [ 263.630297] vm_area_struct 7089KB 9362KB [ 263.635670] mm_struct 1157KB 1867KB [ 263.641091] fs_cache 113KB 360KB [ 263.646459] files_cache 381KB 581KB [ 263.660079] signal_cache 832KB 1380KB [ 263.666422] sighand_cache 497KB 520KB [ 263.672639] task_struct 3211KB 3267KB [ 263.686347] cred_jar 718KB 1836KB [ 263.759150] anon_vma_chain 4453KB 5839KB [ 263.780680] anon_vma 207KB 342KB [ 263.801363] pid 73KB 280KB [ 263.808098] Acpi-Operand 107KB 178KB [ 263.813544] Acpi-Namespace 19KB 23KB [ 263.849218] numa_policy 0KB 3KB [ 263.876076] debug_objects_cache 896KB 1021KB [ 263.883570] trace_event_file 247KB 251KB [ 263.888954] ftrace_event_field 353KB 354KB [ 263.973588] pool_workqueue 80KB 84KB [ 264.013450] task_group 4KB 7KB [ 264.018840] page->ptl 1218KB 2834KB [ 264.137865] kmalloc-4194304 5640192KB 5640192KB [ 264.145462] kmalloc-2097152 2050KB 2050KB [ 264.150925] kmalloc-524288 1028KB 1028KB [ 264.156299] kmalloc-262144 1290KB 1290KB [ 264.162015] kmalloc-131072 650KB 650KB [ 264.167394] kmalloc-65536 264KB 264KB [ 264.172862] kmalloc-32768 1254KB 1353KB [ 264.178238] kmalloc-16384 379KB 429KB [ 264.183617] kmalloc-8192 1782KB 1815KB [ 264.188971] kmalloc-4096 18207KB 18245KB [ 264.194365] kmalloc-2048 19902KB 19902KB [ 264.199715] kmalloc-1024 6165KB 6914KB [ 264.205266] kmalloc-512 3152KB 4436KB [ 264.210663] kmalloc-256 3203KB 3495KB [ 264.216017] kmalloc-128 1452KB 1504KB [ 264.221426] kmalloc-96 2926KB 3556KB [ 264.226791] kmalloc-64 2040KB 2156KB [ 264.232166] kmalloc-32 2797KB 3110KB [ 264.237515] kmalloc-192 899KB 920KB [ 264.244103] kmem_cache 202KB 202KB [ 264.249485] Out of memory: Kill process 26514 (syz-executor0) score 999 or sacrifice child [ 264.257962] Killed process 26514 (syz-executor0) total-vm:37704kB, anon-rss:84kB, file-rss:0kB, shmem-rss:0kB [ 264.290214] oom_reaper: reaped process 26514 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 264.303719] syz-executor1 invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=1000 [ 264.316636] syz-executor1 cpuset=syz1 mems_allowed=0 [ 264.321869] CPU: 1 PID: 26512 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #1 [ 264.329068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 264.338428] Call Trace: [ 264.341797] dump_stack+0x153/0x201 [ 264.345439] ? arch_local_irq_restore+0x43/0x43 [ 264.350123] dump_header+0x281/0xddc [ 264.353852] ? debug_check_no_locks_freed+0x310/0x310 [ 264.359048] ? oom_reaper.cold.28+0x28/0x28 [ 264.363401] ? print_usage_bug+0xc0/0xc0 [ 264.367463] ? __lock_acquire+0x72e/0x4c60 [ 264.371689] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 264.376693] ? debug_check_no_locks_freed+0x310/0x310 [ 264.381874] ? print_usage_bug+0xc0/0xc0 [ 264.385924] ? ___ratelimit+0x2dd/0x648 [ 264.389889] ? lock_downgrade+0x900/0x900 [ 264.394035] ? lock_release+0x9b0/0x9b0 [ 264.398003] ? mark_held_locks+0xc7/0x130 [ 264.402143] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 264.407232] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 264.412238] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 264.417323] ? ___ratelimit+0x2dd/0x648 [ 264.421282] ? idr_get_free+0x1550/0x1550 [ 264.425429] ? find_held_lock+0x13f/0x1c0 [ 264.429570] oom_kill_process.cold.29+0xb/0x1013 [ 264.434324] ? has_ns_capability_noaudit+0x147/0x250 [ 264.439436] ? lock_downgrade+0x900/0x900 [ 264.443578] ? oom_evaluate_task+0x450/0x450 [ 264.447973] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 264.452542] ? debug_smp_processor_id+0x17/0x20 [ 264.457206] ? rcu_is_watching+0x69/0x180 [ 264.461349] ? __lock_is_held+0xb5/0x140 [ 264.465406] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 264.469979] ? has_ns_capability_noaudit+0x164/0x250 [ 264.475081] ? has_capability+0x20/0x20 [ 264.479040] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 264.483610] ? oom_unkillable_task+0x2e4/0x480 [ 264.488180] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 264.493182] ? has_capability_noaudit+0x12/0x20 [ 264.497838] ? oom_badness+0x5de/0x930 [ 264.501709] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 264.506281] ? find_lock_task_mm+0x430/0x430 [ 264.510679] ? find_held_lock+0x36/0x1c0 [ 264.514728] ? out_of_memory+0xa05/0x10f0 [ 264.518882] ? lock_downgrade+0x900/0x900 [ 264.523019] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 264.527589] ? debug_smp_processor_id+0x17/0x20 [ 264.532244] ? rcu_is_watching+0x69/0x180 [ 264.536378] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 264.540972] ? oom_evaluate_task+0x296/0x450 [ 264.545365] out_of_memory+0x739/0x10f0 [ 264.549329] ? oom_killer_disable+0x2d0/0x2d0 [ 264.553811] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 264.558726] ? rcu_pm_notify+0xc0/0xc0 [ 264.562622] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 264.567107] __alloc_pages_slowpath+0x2387/0x2e80 [ 264.571947] ? warn_alloc+0x120/0x120 [ 264.575734] ? find_held_lock+0x36/0x1c0 [ 264.579810] ? is_bpf_text_address+0x60/0xe0 [ 264.584207] ? lock_downgrade+0x900/0x900 [ 264.588340] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 264.592950] ? rcu_is_watching+0x69/0x180 [ 264.597082] ? debug_smp_processor_id+0x17/0x20 [ 264.601735] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 264.606330] ? kernel_text_address+0x79/0xf0 [ 264.610726] ? unwind_get_return_address+0x61/0xa0 [ 264.615713] ? find_held_lock+0x36/0x1c0 [ 264.619793] ? lock_release+0x9b0/0x9b0 [ 264.623777] ? check_same_owner+0x330/0x330 [ 264.628086] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 264.633490] ? __might_sleep+0x95/0x190 [ 264.637452] __alloc_pages_nodemask+0xaae/0xe10 [ 264.642108] ? debug_smp_processor_id+0x17/0x20 [ 264.646786] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 264.651797] ? rcu_lockdep_current_cpu_online+0x1ae/0x210 [ 264.657319] ? rcu_is_watching+0x69/0x180 [ 264.661456] ? rcu_pm_notify+0xc0/0xc0 [ 264.665343] ? copy_process.part.37+0x15db/0x4e20 [ 264.670286] ? rcu_read_lock_sched_held+0x108/0x120 [ 264.675291] ? kmem_cache_alloc_node+0x383/0x790 [ 264.680042] ? debug_check_no_locks_freed+0x310/0x310 [ 264.685235] copy_process.part.37+0x40a/0x4e20 [ 264.689918] ? __cleanup_sighand+0x30/0x30 [ 264.694138] ? __lock_acquire+0x72e/0x4c60 [ 264.698375] ? mem_cgroup_update_lru_size+0xd0/0xd0 [ 264.703389] ? __lock_acquire+0x72e/0x4c60 [ 264.707609] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 264.712616] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 264.717621] ? __lru_cache_add+0x242/0x450 [ 264.721842] ? find_held_lock+0x36/0x1c0 [ 264.725890] ? __pagevec_lru_add+0x20/0x20 [ 264.730128] ? percpu_ref_put_many+0x11b/0x250 [ 264.734706] ? lock_downgrade+0x900/0x900 [ 264.738872] ? debug_smp_processor_id+0x17/0x20 [ 264.743603] ? lru_cache_add+0x1a3/0x370 [ 264.747735] ? lru_cache_add_file+0x10/0x10 [ 264.752066] ? refill_stock+0x1e0/0x1e0 [ 264.756027] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 264.761032] ? __mem_cgroup_threshold+0x930/0x930 [ 264.765874] ? mark_held_locks+0xc7/0x130 [ 264.770016] ? find_held_lock+0x36/0x1c0 [ 264.774085] ? __handle_mm_fault+0x192d/0x4230 [ 264.778653] ? lock_downgrade+0x900/0x900 [ 264.782792] ? lock_release+0x9b0/0x9b0 [ 264.786771] ? change_protection+0x6b0/0x1ac0 [ 264.791254] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 264.795823] ? pte_val+0xf0/0xf0 [ 264.799228] ? _raw_spin_unlock+0x2c/0x50 [ 264.803361] ? __handle_mm_fault+0x192d/0x4230 [ 264.807993] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 264.812865] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 264.817920] ? SyS_remap_file_pages.cold.33+0x83/0x83 [ 264.823096] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 264.828160] _do_fork+0x1a3/0xe50 [ 264.831605] ? __do_page_fault+0x4bf/0xb80 [ 264.835827] ? fork_idle+0x280/0x280 [ 264.839532] ? handle_mm_fault+0x415/0xa00 [ 264.843773] ? __handle_mm_fault+0x4230/0x4230 [ 264.848344] ? up_read+0x1a/0x40 [ 264.851701] ? __do_page_fault+0x4bf/0xb80 [ 264.855922] ? do_mprotect_pkey+0x622/0x830 [ 264.860235] ? mm_fault_error+0x2a0/0x2a0 [ 264.864368] ? mprotect_fixup+0x670/0x670 [ 264.868560] ? do_syscall_64+0xb8/0x980 [ 264.872531] SyS_clone+0x14/0x20 [ 264.875884] do_syscall_64+0x276/0x980 [ 264.879777] ? vmalloc_sync_all+0x20/0x20 [ 264.883912] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 264.888653] ? syscall_return_slowpath+0x4e0/0x4e0 [ 264.893679] ? syscall_return_slowpath+0x215/0x4e0 [ 264.898601] ? prepare_exit_to_usermode+0x300/0x300 [ 264.903607] ? retint_user+0x18/0x18 [ 264.907308] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 264.912144] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 264.917321] RIP: 0033:0x45a089 [ 264.920495] RSP: 002b:00007ffd3a466848 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 264.928188] RAX: ffffffffffffffda RBX: 00007ff45d113700 RCX: 000000000045a089 [ 264.935448] RDX: 00007ff45d1139d0 RSI: 00007ff45d112db0 RDI: 00000000003d0f00 [ 264.942710] RBP: 00007ffd3a466a50 R08: 00007ff45d113700 R09: 00007ff45d113700 [ 264.950041] R10: 00007ff45d1139d0 R11: 0000000000000202 R12: 0000000000000000 [ 264.957308] R13: 00007ffd3a4668ff R14: 00007ff45d1139c0 R15: 0000000000000001 [ 264.968588] Mem-Info: [ 264.971078] active_anon:4398 inactive_anon:189 isolated_anon:0 [ 264.971078] active_file:34 inactive_file:95 isolated_file:14 [ 264.971078] unevictable:0 dirty:0 writeback:0 unstable:0 [ 264.971078] slab_reclaimable:11677 slab_unreclaimable:1507936 [ 264.971078] mapped:52 shmem:241 pagetables:467 bounce:0 [ 264.971078] free:24323 free_pcp:58 free_cma:0 [ 265.003985] Node 0 active_anon:17592kB inactive_anon:756kB active_file:60kB inactive_file:716kB unevictable:0kB isolated(anon):0kB isolated(file):56kB mapped:508kB dirty:0kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 265.031124] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 265.058192] lowmem_reserve[]: 0 2833 6339 6339 [ 265.062852] Node 0 DMA32 free:43760kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 265.090926] lowmem_reserve[]: 0 0 3505 3505 [ 265.095314] Node 0 Normal free:37464kB min:37280kB low:46600kB high:55920kB active_anon:17524kB inactive_anon:756kB active_file:64kB inactive_file:292kB unevictable:0kB writepending:0kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7168kB pagetables:1868kB bounce:0kB free_pcp:272kB local_pcp:68kB free_cma:0kB [ 265.139036] lowmem_reserve[]: 0 0 0 0 [ 265.143972] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 265.162451] Node 0 DMA32: 4*4kB (UME) 2*8kB (M) 25*16kB (UME) 76*32kB (UME) 61*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 43760kB [ 265.182540] Node 0 Normal: 724*4kB (MEH) 647*8kB (UMEH) 328*16kB (UMEH) 130*32kB (UMEH) 69*64kB (UMEH) 44*128kB (UMH) 36*256kB (ME) 1*512kB (M) 1*1024kB (U) 0*2048kB 0*4096kB = 38280kB [ 265.200098] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 265.209512] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 265.221380] 423 total pagecache pages [ 265.226594] 0 pages in swap cache [ 265.230552] Swap cache stats: add 0, delete 0, find 0/0 [ 265.236166] Free swap = 0kB [ 265.239343] Total swap = 0kB [ 265.296948] 1965979 pages RAM [ 265.300210] 0 pages HighMem/MovableOnly [ 265.304186] 338422 pages reserved [ 265.307623] 0 pages cma reserved [ 265.311734] Unreclaimable slab info: [ 265.315504] Name Used Total [ 265.321295] pid_2 135KB 156KB [ 265.326711] TIPC 10KB 14KB [ 265.332168] SCTPv6 14KB 16KB [ 265.337557] DCCPv6 17KB 21KB [ 265.342997] DCCP 15KB 20KB [ 265.348388] bridge_fdb_cache 11KB 15KB [ 265.353833] fib6_nodes 77KB 96KB [ 265.359193] ip6_dst_cache 359KB 630KB [ 265.364626] RAWv6 68KB 71KB [ 265.369991] UDPv6 3KB 3KB [ 265.375394] TCPv6 8KB 16KB [ 265.380857] sd_ext_cdb 0KB 3KB [ 265.386226] scsi_sense_cache 740KB 740KB [ 265.391774] virtio_scsi_cmd 16KB 16KB [ 265.397145] sgpool-128 10KB 10KB [ 265.402798] sgpool-64 23KB 23KB [ 265.408169] sgpool-32 2378KB 2378KB [ 265.413582] sgpool-16 667KB 667KB [ 265.419115] sgpool-8 1796KB 1796KB [ 265.424592] cfq_io_cq 30KB 35KB [ 265.429958] cfq_queue 41KB 73KB [ 265.435344] mqueue_inode_cache 10KB 21KB [ 265.440864] bio-2 14KB 19KB [ 265.446225] jfs_mp 7KB 7KB [ 265.451729] nfs_commit_data 3KB 7KB [ 265.457105] nfs_write_data 34KB 37KB [ 265.462657] ext4_system_zone 0KB 3KB [ 265.468029] bio-1 1KB 3KB [ 265.473411] pid_namespace 1KB 7KB [ 265.478779] rpc_buffers 17KB 19KB [ 265.484177] rpc_tasks 2KB 3KB [ 265.489540] UNIX 8KB 14KB [ 265.494927] tcp_bind_bucket 1KB 4KB [ 265.500343] ip_fib_trie 11KB 15KB [ 265.505706] ip_fib_alias 52KB 63KB [ 265.511089] ip_dst_cache 1KB 8KB [ 265.516443] RAW 40KB 50KB [ 265.521850] UDP 15KB 23KB [ 265.527343] TCP 31KB 47KB [ 265.532727] hugetlbfs_inode_cache 2KB 7KB [ 265.538449] fscache_cookie_jar 0KB 7KB [ 265.543968] eventpoll_pwq 40KB 51KB [ 265.549339] eventpoll_epi 72KB 94KB [ 265.554801] inotify_inode_mark 73KB 86KB [ 265.560900] request_queue 129KB 137KB [ 265.566263] blkdev_requests 1KB 3KB [ 265.574555] blkdev_ioc 42KB 42KB [ 265.580108] bio-0 2572KB 2572KB [ 265.585478] biovec-(1<<(21-12)) 2755KB 2755KB [ 265.591067] biovec-64 2299KB 2299KB [ 265.596438] biovec-16 551KB 551KB [ 265.601851] bio_integrity_payload 1KB 8KB [ 265.607575] khugepaged_mm_slot 0KB 3KB [ 265.613080] dmaengine-unmap-256 2KB 6KB [ 265.618633] dmaengine-unmap-128 1KB 3KB [ 265.624478] dmaengine-unmap-16 0KB 4KB [ 265.629931] dmaengine-unmap-2 0KB 3KB [ 265.635403] skbuff_fclone_cache 4KB 11KB [ 265.640999] skbuff_head_cache 588KB 1143KB [ 265.646368] configfs_dir_cache 0KB 4KB [ 265.651902] file_lock_cache 0KB 3KB [ 265.657367] file_lock_ctx 0KB 3KB [ 265.662838] fsnotify_mark_connector 43KB 51KB [ 265.669282] net_namespace 41KB 41KB [ 265.674709] shmem_inode_cache 5851KB 5995KB [ 265.680148] task_delay_info 124KB 371KB [ 265.685527] taskstats 143KB 160KB [ 265.690953] sigqueue 90KB 311KB [ 265.696327] kernfs_node_cache 10990KB 10993KB [ 265.701816] mnt_cache 5825KB 6000KB [ 265.707193] filp 4002KB 5133KB [ 265.712698] names_cache 98685KB 98723KB [ 265.718077] iint_cache 33KB 63KB [ 265.724164] key_jar 3KB 7KB [ 265.730656] nsproxy 68KB 71KB [ 265.736034] vm_area_struct 7061KB 9362KB [ 265.736039] mm_struct 1126KB 1851KB [ 265.736044] fs_cache 112KB 360KB [ 265.736049] files_cache 375KB 577KB [ 265.736054] signal_cache 803KB 1365KB [ 265.736059] sighand_cache 497KB 520KB [ 265.736064] task_struct 3186KB 3242KB [ 265.758441] cred_jar 694KB 1824KB [ 265.758447] anon_vma_chain 4440KB 5839KB [ 265.790352] anon_vma 207KB 342KB [ 265.795839] pid 73KB 280KB [ 265.801318] Acpi-Operand 107KB 178KB [ 265.806797] Acpi-Namespace 19KB 23KB [ 265.816001] numa_policy 0KB 3KB [ 265.821562] debug_objects_cache 896KB 1021KB [ 265.827183] trace_event_file 247KB 251KB [ 265.832706] ftrace_event_field 353KB 354KB [ 265.838442] pool_workqueue 80KB 84KB 2019/03/24 16:53:49 executed programs: 4820 [ 265.845706] task_group 4KB 7KB [ 265.852481] page->ptl 1204KB 2834KB [ 265.893969] kmalloc-4194304 5640192KB 5640192KB [ 265.901311] kmalloc-2097152 2050KB 2050KB [ 265.907027] kmalloc-524288 1028KB 1028KB [ 265.914177] kmalloc-262144 1290KB 1290KB [ 265.919933] kmalloc-131072 650KB 650KB [ 265.927080] kmalloc-65536 264KB 264KB [ 265.933376] kmalloc-32768 1254KB 1287KB [ 265.940954] kmalloc-16384 379KB 396KB [ 265.946555] kmalloc-8192 1782KB 1798KB [ 265.952292] kmalloc-4096 18083KB 18100KB [ 265.978568] kmalloc-2048 20782KB 20782KB [ 265.991252] kmalloc-1024 6138KB 6914KB [ 265.998883] kmalloc-512 3125KB 4432KB [ 266.005716] kmalloc-256 3189KB 3495KB [ 266.022067] kmalloc-128 1434KB 1504KB [ 266.027589] kmalloc-96 2948KB 3556KB [ 266.033107] kmalloc-64 2040KB 2156KB [ 266.042559] kmalloc-32 2759KB 3110KB [ 266.048338] kmalloc-192 899KB 920KB [ 266.067895] kmem_cache 202KB 202KB [ 266.088160] Out of memory: Kill process 26512 (syz-executor1) score 999 or sacrifice child [ 266.097837] Killed process 26512 (syz-executor1) total-vm:37704kB, anon-rss:84kB, file-rss:0kB, shmem-rss:0kB [ 266.231285] oom_reaper: reaped process 26512 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 266.256631] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 266.373621] udevd cpuset=/ mems_allowed=0 [ 266.377829] CPU: 0 PID: 26523 Comm: udevd Not tainted 4.16.0-rc7+ #1 [ 266.384324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 266.393789] Call Trace: [ 266.396381] dump_stack+0x153/0x201 [ 266.400012] ? arch_local_irq_restore+0x43/0x43 [ 266.404700] ? debug_check_no_locks_freed+0x310/0x310 [ 266.409903] dump_header+0x281/0xddc [ 266.413631] ? oom_reaper.cold.28+0x28/0x28 [ 266.417965] ? debug_check_no_locks_freed+0x310/0x310 [ 266.423431] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 266.428452] ? debug_check_no_locks_freed+0x310/0x310 [ 266.433642] ? print_usage_bug+0xc0/0xc0 [ 266.437721] ? print_usage_bug+0xc0/0xc0 [ 266.441825] ? ___ratelimit+0x2dd/0x648 [ 266.445803] ? lock_downgrade+0x900/0x900 [ 266.449956] ? lock_release+0x9b0/0x9b0 [ 266.453936] ? mark_held_locks+0xc7/0x130 [ 266.458093] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 266.463307] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 266.468332] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 266.473439] ? ___ratelimit+0x2dd/0x648 [ 266.477419] ? idr_get_free+0x1550/0x1550 [ 266.481573] ? find_held_lock+0x13f/0x1c0 [ 266.485734] oom_kill_process.cold.29+0xb/0x1013 [ 266.490524] ? lock_downgrade+0x900/0x900 [ 266.494675] ? lock_release+0x9b0/0x9b0 [ 266.498653] ? find_held_lock+0x36/0x1c0 [ 266.502722] ? oom_evaluate_task+0x450/0x450 [ 266.507166] ? oom_badness+0x1fe/0x930 [ 266.511057] ? lock_downgrade+0x900/0x900 [ 266.515213] ? find_lock_task_mm+0x205/0x430 [ 266.519627] ? task_will_free_mem+0xe40/0xe40 [ 266.524122] ? find_held_lock+0x36/0x1c0 [ 266.528187] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 266.532800] ? oom_unkillable_task+0x2e4/0x480 [ 266.537424] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 266.542447] ? _raw_spin_unlock+0x2c/0x50 [ 266.546601] ? oom_badness+0x1fe/0x930 [ 266.550491] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 266.555083] ? find_lock_task_mm+0x430/0x430 [ 266.559498] ? find_held_lock+0x36/0x1c0 [ 266.563569] ? out_of_memory+0xa05/0x10f0 [ 266.567841] ? lock_downgrade+0x900/0x900 [ 266.572000] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 266.576589] ? debug_smp_processor_id+0x17/0x20 [ 266.581266] ? rcu_is_watching+0x69/0x180 [ 266.585418] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 266.590006] ? oom_evaluate_task+0x296/0x450 [ 266.594428] out_of_memory+0x739/0x10f0 [ 266.598416] ? oom_killer_disable+0x2d0/0x2d0 [ 266.602921] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 266.607942] ? __lock_is_held+0xb5/0x140 [ 266.612007] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 266.616525] __alloc_pages_slowpath+0x2387/0x2e80 [ 266.621394] ? warn_alloc+0x120/0x120 [ 266.625205] ? lock_downgrade+0x900/0x900 [ 266.629359] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 266.633945] ? debug_smp_processor_id+0x17/0x20 [ 266.638619] ? rcu_is_watching+0x69/0x180 [ 266.642798] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 266.647393] ? rcu_read_lock_sched_held+0x108/0x120 [ 266.652421] ? find_get_entry+0x217/0xa40 [ 266.656571] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 266.661622] ? __lock_is_held+0xb5/0x140 [ 266.665695] ? debug_check_no_locks_freed+0x310/0x310 [ 266.670892] ? lock_release+0x9b0/0x9b0 [ 266.674872] ? check_same_owner+0x330/0x330 [ 266.679199] ? debug_smp_processor_id+0x17/0x20 [ 266.683875] ? rcu_is_watching+0x69/0x180 [ 266.688039] ? __might_sleep+0x95/0x190 [ 266.692037] __alloc_pages_nodemask+0xaae/0xe10 [ 266.696722] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 266.701794] ? find_get_pages_contig+0x12e0/0x12e0 [ 266.706726] ? read_cache_pages+0x960/0x960 [ 266.711075] ? lock_downgrade+0x900/0x900 [ 266.715234] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 266.720266] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 266.725285] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 266.730311] ? find_held_lock+0x36/0x1c0 [ 266.734387] alloc_pages_current+0xd6/0x1b0 [ 266.738719] __page_cache_alloc+0x2d8/0x570 [ 266.743079] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 266.747689] ? debug_smp_processor_id+0x17/0x20 [ 266.752362] ? rcu_is_watching+0x69/0x180 [ 266.756518] ? __filemap_set_wb_err+0x320/0x320 [ 266.761188] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 266.765796] ? filemap_fault+0x142f/0x1c50 [ 266.770044] filemap_fault+0x1087/0x1c50 [ 266.774125] ? __lock_page_or_retry+0x450/0x450 [ 266.778807] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 266.783398] ? filemap_map_pages+0x907/0x16e0 [ 266.787900] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 266.792486] ? pmd_clear_bad+0x130/0x130 [ 266.796557] ? find_get_pages_range_tag+0x1020/0x1020 [ 266.801790] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 266.806814] ? print_usage_bug+0xc0/0xc0 [ 266.810884] ? print_usage_bug+0xc0/0xc0 [ 266.814953] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 266.819974] ? debug_check_no_locks_freed+0x310/0x310 [ 266.825189] ? lock_acquire+0x1ed/0x560 [ 266.829170] ? ext4_filemap_fault+0x75/0xa5 [ 266.833498] ? lock_release+0x9b0/0x9b0 [ 266.837478] ? check_same_owner+0x330/0x330 [ 266.841801] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 266.846824] ? ext4_filemap_fault+0x88/0xa5 [ 266.851162] ? down_read+0x99/0x160 [ 266.854798] ? ext4_filemap_fault+0x75/0xa5 [ 266.859127] ? __down_interruptible+0x700/0x700 [ 266.863811] ext4_filemap_fault+0x7d/0xa5 [ 266.867967] __do_fault+0xe8/0x3d0 [ 266.871509] ? lock_release+0x9b0/0x9b0 [ 266.875486] ? pmd_devmap_trans_unstable+0x130/0x130 [ 266.880596] ? add_mm_counter_fast+0xc0/0xc0 [ 266.885009] ? add_mm_counter_fast+0xc0/0xc0 [ 266.889435] __handle_mm_fault+0x2294/0x4230 [ 266.893855] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 266.898612] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 266.903647] ? handle_mm_fault+0x35c/0xa00 [ 266.907887] ? lock_downgrade+0x900/0x900 [ 266.912049] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 266.916632] ? debug_smp_processor_id+0x17/0x20 [ 266.921302] ? rcu_is_watching+0x69/0x180 [ 266.925451] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 266.930042] ? handle_mm_fault+0x6d3/0xa00 [ 266.934287] handle_mm_fault+0x415/0xa00 [ 266.938356] ? __handle_mm_fault+0x4230/0x4230 [ 266.942957] __do_page_fault+0x493/0xb80 [ 266.947036] ? mm_fault_error+0x2a0/0x2a0 [ 266.951194] ? SyS_umask+0x60/0x60 [ 266.954737] ? do_syscall_64+0xb8/0x980 [ 266.958772] do_page_fault+0xe1/0x6f4 [ 266.962582] ? vmalloc_sync_all+0x20/0x20 [ 266.966737] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 266.971526] ? syscall_return_slowpath+0x4e0/0x4e0 [ 266.976462] ? syscall_return_slowpath+0x215/0x4e0 [ 266.981397] ? prepare_exit_to_usermode+0x300/0x300 [ 266.986430] ? retint_user+0x18/0x18 [ 266.990151] ? page_fault+0x2f/0x50 [ 266.993797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 266.998645] ? page_fault+0x2f/0x50 [ 267.002358] page_fault+0x45/0x50 [ 267.005816] RIP: 0033:0x7ffae0475114 [ 267.009527] RSP: 002b:00007ffceea32e80 EFLAGS: 00010246 [ 267.014898] RAX: 0000000000000000 RBX: 00007ffadfcc2e20 RCX: 0000000000000000 [ 267.022173] RDX: 0000000000000467 RSI: 0000000000401a70 RDI: 00007ffadfcca9e5 [ 267.029448] RBP: 00007ffae0683058 R08: 0000000003f0b27f R09: 0000000000000005 [ 267.036719] R10: 00007ffceea32f10 R11: 00007ffceea32f10 R12: 0000000000000007 [ 267.044029] R13: 00000000fc2c9fc5 R14: 0000000000000003 R15: 00007ffceea33098 [ 270.189038] Mem-Info: [ 270.266200] active_anon:4402 inactive_anon:187 isolated_anon:0 [ 270.266200] active_file:11 inactive_file:10 isolated_file:0 [ 270.266200] unevictable:0 dirty:0 writeback:0 unstable:0 [ 270.266200] slab_reclaimable:11612 slab_unreclaimable:1507632 [ 270.266200] mapped:2 shmem:241 pagetables:523 bounce:0 [ 270.266200] free:24255 free_pcp:0 free_cma:0 [ 270.512690] Node 0 active_anon:17608kB inactive_anon:748kB active_file:44kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 270.727832] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 270.970166] lowmem_reserve[]: 0 2833 6339 6339 [ 270.974811] Node 0 DMA32 free:43832kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 271.257296] lowmem_reserve[]: 0 0 3505 3505 [ 271.299151] Node 0 Normal free:36892kB min:37280kB low:46600kB high:55920kB active_anon:17608kB inactive_anon:748kB active_file:36kB inactive_file:148kB unevictable:0kB writepending:0kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7392kB pagetables:2092kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 271.550929] lowmem_reserve[]: 0 0 0 0 [ 271.554788] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 271.720268] Node 0 DMA32: 4*4kB (UME) 5*8kB (UM) 26*16kB (UME) 75*32kB (UME) 62*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 43832kB [ 271.863105] Node 0 Normal: 1007*4kB (UMEH) 590*8kB (UMEH) 314*16kB (UMEH) 121*32kB (UMEH) 69*64kB (UMEH) 42*128kB (MH) 37*256kB (UME) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 37420kB [ 272.030855] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 272.039722] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 272.203065] 285 total pagecache pages [ 272.206916] 0 pages in swap cache [ 272.272904] Swap cache stats: add 0, delete 0, find 0/0 [ 272.278275] Free swap = 0kB [ 272.359457] Total swap = 0kB [ 272.388466] 1965979 pages RAM [ 272.409853] 0 pages HighMem/MovableOnly [ 272.458168] 338422 pages reserved [ 272.501228] 0 pages cma reserved [ 272.504607] Unreclaimable slab info: [ 272.508309] Name Used Total [ 272.616476] pid_2 122KB 156KB [ 272.647703] TIPC 10KB 14KB [ 272.718671] SCTPv6 14KB 16KB [ 272.752695] DCCPv6 17KB 21KB [ 272.758086] DCCP 15KB 20KB [ 272.862656] bridge_fdb_cache 11KB 15KB [ 272.868035] fib6_nodes 77KB 96KB [ 272.987411] ip6_dst_cache 343KB 630KB [ 273.038551] RAWv6 68KB 71KB [ 273.085292] UDPv6 3KB 3KB [ 273.137025] TCPv6 2KB 5KB [ 273.179435] sd_ext_cdb 0KB 3KB [ 273.237457] scsi_sense_cache 782KB 784KB [ 273.289547] virtio_scsi_cmd 16KB 16KB [ 273.328706] sgpool-128 10KB 10KB [ 273.390816] sgpool-64 23KB 23KB [ 273.396198] sgpool-32 2543KB 2543KB [ 273.471241] sgpool-16 727KB 727KB [ 273.476628] sgpool-8 1901KB 1901KB [ 273.548966] cfq_io_cq 21KB 35KB [ 273.598293] cfq_queue 40KB 73KB [ 273.627994] mqueue_inode_cache 10KB 21KB [ 273.687786] bio-2 14KB 19KB [ 273.729391] jfs_mp 7KB 7KB [ 273.779062] nfs_commit_data 3KB 7KB [ 273.811110] nfs_write_data 34KB 37KB [ 273.816503] ext4_system_zone 0KB 3KB [ 273.897626] bio-1 1KB 3KB [ 273.945876] pid_namespace 1KB 7KB [ 273.989839] rpc_buffers 17KB 19KB [ 274.017906] rpc_tasks 2KB 3KB [ 274.080191] UNIX 8KB 14KB [ 274.085562] tcp_bind_bucket 1KB 4KB [ 274.173811] ip_fib_trie 11KB 15KB [ 274.179189] ip_fib_alias 52KB 63KB [ 274.259019] ip_dst_cache 1KB 8KB [ 274.318585] RAW 40KB 50KB [ 274.356152] UDP 15KB 23KB [ 274.403379] TCP 26KB 47KB [ 274.408754] hugetlbfs_inode_cache 2KB 7KB [ 274.519282] fscache_cookie_jar 0KB 7KB [ 274.550201] eventpoll_pwq 33KB 51KB [ 274.555589] eventpoll_epi 63KB 94KB [ 274.637607] inotify_inode_mark 61KB 86KB [ 274.670413] request_queue 129KB 137KB [ 274.675778] blkdev_requests 1KB 3KB [ 274.763793] blkdev_ioc 30KB 42KB [ 274.769173] bio-0 2726KB 2726KB [ 274.860269] biovec-(1<<(21-12)) 2961KB 2961KB [ 274.865822] biovec-64 2480KB 2480KB [ 274.940158] biovec-16 592KB 592KB [ 274.945540] bio_integrity_payload 1KB 8KB [ 275.049288] khugepaged_mm_slot 0KB 3KB [ 275.073195] dmaengine-unmap-256 2KB 6KB [ 275.078744] dmaengine-unmap-128 1KB 3KB [ 275.084336] dmaengine-unmap-16 0KB 4KB [ 275.089760] dmaengine-unmap-2 0KB 3KB [ 275.095181] skbuff_fclone_cache 4KB 11KB [ 275.100770] skbuff_head_cache 582KB 1140KB [ 275.106132] configfs_dir_cache 0KB 4KB [ 275.111934] file_lock_cache 0KB 3KB [ 275.117277] file_lock_ctx 0KB 3KB [ 275.122748] fsnotify_mark_connector 36KB 51KB [ 275.128630] net_namespace 41KB 41KB [ 275.134016] shmem_inode_cache 5799KB 5987KB [ 275.139355] task_delay_info 107KB 363KB [ 275.144729] taskstats 126KB 160KB [ 275.150148] sigqueue 75KB 295KB [ 275.155497] kernfs_node_cache 10990KB 10993KB [ 275.161643] mnt_cache 5712KB 5904KB [ 275.167010] filp 3917KB 5115KB [ 275.173249] names_cache 97805KB 97805KB [ 275.178621] iint_cache 26KB 63KB [ 275.185695] key_jar 3KB 7KB [ 275.237743] nsproxy 61KB 71KB [ 275.313777] vm_area_struct 6983KB 9358KB [ 275.319191] mm_struct 1064KB 1820KB [ 275.449201] fs_cache 88KB 332KB [ 275.498683] files_cache 330KB 551KB [ 275.545071] signal_cache 746KB 1322KB [ 275.605158] sighand_cache 474KB 520KB [ 275.650660] task_struct 3137KB 3192KB [ 275.656036] cred_jar 646KB 1760KB [ 275.718979] anon_vma_chain 4390KB 5831KB [ 275.808177] anon_vma 200KB 342KB [ 275.843562] pid 65KB 280KB [ 275.848938] Acpi-Operand 107KB 178KB [ 275.953725] Acpi-Namespace 19KB 23KB [ 275.959114] numa_policy 0KB 3KB [ 276.056818] debug_objects_cache 896KB 1021KB [ 276.096363] trace_event_file 247KB 251KB [ 276.159402] ftrace_event_field 353KB 354KB [ 276.194899] pool_workqueue 80KB 84KB [ 276.228987] task_group 4KB 7KB [ 276.293628] page->ptl 1179KB 2830KB [ 276.299049] kmalloc-4194304 5640192KB 5640192KB [ 276.382794] kmalloc-2097152 2050KB 2050KB [ 276.388172] kmalloc-524288 1028KB 1028KB [ 276.479063] kmalloc-262144 1290KB 1290KB [ 276.529277] kmalloc-131072 650KB 650KB [ 276.589762] kmalloc-65536 264KB 264KB [ 276.627440] kmalloc-32768 1254KB 1254KB [ 276.687268] kmalloc-16384 379KB 379KB [ 276.736429] kmalloc-8192 1782KB 1782KB [ 276.786070] kmalloc-4096 18071KB 18100KB [ 276.852837] kmalloc-2048 20820KB 20820KB [ 276.858300] kmalloc-1024 6120KB 6914KB [ 276.947226] kmalloc-512 3103KB 4432KB [ 276.983084] kmalloc-256 3161KB 3495KB [ 276.988453] kmalloc-128 1404KB 1504KB [ 277.037132] kmalloc-96 2944KB 3556KB [ 277.141869] kmalloc-64 2019KB 2156KB [ 277.147245] kmalloc-32 2756KB 3110KB [ 277.246880] kmalloc-192 879KB 920KB [ 277.289587] kmem_cache 202KB 202KB [ 277.328934] Out of memory: Kill process 26527 (syz-executor0) score 999 or sacrifice child [ 277.409985] Killed process 26529 (syz-executor0) total-vm:37704kB, anon-rss:112kB, file-rss:0kB, shmem-rss:0kB [ 277.530310] oom_reaper: reaped process 26529 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 277.578445] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 277.729564] udevd cpuset=/ mems_allowed=0 [ 277.756717] CPU: 0 PID: 26522 Comm: udevd Not tainted 4.16.0-rc7+ #1 [ 277.763207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 277.772543] Call Trace: [ 277.775120] dump_stack+0x153/0x201 [ 277.778731] ? arch_local_irq_restore+0x43/0x43 [ 277.783401] ? debug_check_no_locks_freed+0x310/0x310 [ 277.788580] dump_header+0x281/0xddc [ 277.792297] ? oom_reaper.cold.28+0x28/0x28 [ 277.796612] ? debug_check_no_locks_freed+0x310/0x310 [ 277.801797] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 277.806798] ? debug_check_no_locks_freed+0x310/0x310 [ 277.811978] ? print_usage_bug+0xc0/0xc0 [ 277.816043] ? print_usage_bug+0xc0/0xc0 [ 277.820101] ? ___ratelimit+0x2dd/0x648 [ 277.824060] ? lock_downgrade+0x900/0x900 [ 277.828184] ? lock_release+0x9b0/0x9b0 [ 277.832134] ? mark_held_locks+0xc7/0x130 [ 277.836256] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 277.841331] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 277.846319] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 277.851413] ? ___ratelimit+0x2dd/0x648 [ 277.855355] ? idr_get_free+0x1550/0x1550 [ 277.859469] ? find_held_lock+0x13f/0x1c0 [ 277.863589] oom_kill_process.cold.29+0xb/0x1013 [ 277.868313] ? lock_downgrade+0x900/0x900 [ 277.872431] ? lock_release+0x9b0/0x9b0 [ 277.876373] ? find_held_lock+0x36/0x1c0 [ 277.880402] ? oom_evaluate_task+0x450/0x450 [ 277.884804] ? oom_badness+0x1fe/0x930 [ 277.888660] ? lock_downgrade+0x900/0x900 [ 277.892779] ? find_lock_task_mm+0x205/0x430 [ 277.897157] ? task_will_free_mem+0xe40/0xe40 [ 277.901623] ? find_held_lock+0x36/0x1c0 [ 277.905655] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 277.910210] ? oom_unkillable_task+0x2e4/0x480 [ 277.914775] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 277.919760] ? _raw_spin_unlock+0x2c/0x50 [ 277.923878] ? oom_badness+0x1fe/0x930 [ 277.927734] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 277.932303] ? find_lock_task_mm+0x430/0x430 [ 277.936688] ? find_held_lock+0x36/0x1c0 [ 277.940728] ? out_of_memory+0xa05/0x10f0 [ 277.944861] ? lock_downgrade+0x900/0x900 [ 277.948982] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 277.953541] ? debug_smp_processor_id+0x17/0x20 [ 277.958196] ? rcu_is_watching+0x69/0x180 [ 277.962332] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 277.966889] ? oom_evaluate_task+0x296/0x450 [ 277.971275] out_of_memory+0x739/0x10f0 [ 277.975224] ? oom_killer_disable+0x2d0/0x2d0 [ 277.979687] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 277.984587] ? __lock_is_held+0xb5/0x140 [ 277.988620] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 277.993092] __alloc_pages_slowpath+0x2387/0x2e80 [ 277.997915] ? warn_alloc+0x120/0x120 [ 278.001686] ? lock_downgrade+0x900/0x900 [ 278.005806] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 278.010362] ? debug_smp_processor_id+0x17/0x20 [ 278.015001] ? rcu_is_watching+0x69/0x180 [ 278.019117] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 278.023681] ? rcu_read_lock_sched_held+0x108/0x120 [ 278.028670] ? find_get_entry+0x217/0xa40 [ 278.032791] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 278.037915] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 278.042478] ? __lock_is_held+0xb5/0x140 [ 278.046508] ? debug_check_no_locks_freed+0x310/0x310 [ 278.051671] ? lock_release+0x9b0/0x9b0 [ 278.055616] ? check_same_owner+0x330/0x330 [ 278.059907] ? debug_smp_processor_id+0x17/0x20 [ 278.064549] ? rcu_is_watching+0x69/0x180 [ 278.068758] ? __might_sleep+0x95/0x190 [ 278.072703] __alloc_pages_nodemask+0xaae/0xe10 [ 278.077343] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 278.082329] ? find_get_pages_contig+0x12e0/0x12e0 [ 278.087258] ? read_cache_pages+0x960/0x960 [ 278.091560] ? lock_downgrade+0x900/0x900 [ 278.095677] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 278.100662] ? add_to_page_cache_lru+0x283/0x6c0 [ 278.105391] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 278.110381] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 278.115369] ? find_held_lock+0x36/0x1c0 [ 278.119415] alloc_pages_current+0xd6/0x1b0 [ 278.123726] __page_cache_alloc+0x2d8/0x570 [ 278.128021] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 278.132581] ? debug_smp_processor_id+0x17/0x20 [ 278.137218] ? rcu_is_watching+0x69/0x180 [ 278.141338] ? __filemap_set_wb_err+0x320/0x320 [ 278.145992] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 278.150549] ? filemap_fault+0x142f/0x1c50 [ 278.154758] filemap_fault+0x1087/0x1c50 [ 278.158797] ? __lock_page_or_retry+0x450/0x450 [ 278.163441] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 278.167996] ? filemap_map_pages+0x907/0x16e0 [ 278.172460] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 278.177013] ? debug_smp_processor_id+0x17/0x20 [ 278.181657] ? rcu_is_watching+0x69/0x180 [ 278.185799] ? find_get_pages_range_tag+0x1020/0x1020 [ 278.190978] ? unlock_page_memcg+0x2c/0x40 [ 278.195182] ? page_add_file_rmap+0x65d/0xb70 [ 278.199645] ? page_add_new_anon_rmap+0x960/0x960 [ 278.204463] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 278.209465] ? print_usage_bug+0xc0/0xc0 [ 278.213502] ? print_usage_bug+0xc0/0xc0 [ 278.217545] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 278.222535] ? debug_check_no_locks_freed+0x310/0x310 [ 278.227701] ? lock_acquire+0x1ed/0x560 [ 278.231649] ? ext4_filemap_fault+0x75/0xa5 [ 278.235945] ? lock_release+0x9b0/0x9b0 [ 278.239892] ? check_same_owner+0x330/0x330 [ 278.244193] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 278.249182] ? ext4_filemap_fault+0x88/0xa5 [ 278.253496] ? down_read+0x99/0x160 [ 278.257090] ? ext4_filemap_fault+0x75/0xa5 [ 278.261386] ? __down_interruptible+0x700/0x700 [ 278.266060] ext4_filemap_fault+0x7d/0xa5 [ 278.270181] __do_fault+0xe8/0x3d0 [ 278.273693] ? pmd_devmap_trans_unstable+0x130/0x130 [ 278.278766] ? add_mm_counter_fast+0xc0/0xc0 [ 278.283148] ? add_mm_counter_fast+0xc0/0xc0 [ 278.287536] __handle_mm_fault+0x2294/0x4230 [ 278.291920] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 278.296646] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 278.301641] ? handle_mm_fault+0x35c/0xa00 [ 278.305845] ? lock_downgrade+0x900/0x900 [ 278.309965] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 278.314522] ? debug_smp_processor_id+0x17/0x20 [ 278.319191] ? rcu_is_watching+0x69/0x180 [ 278.323319] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 278.327874] ? handle_mm_fault+0x6d3/0xa00 [ 278.332086] handle_mm_fault+0x415/0xa00 [ 278.336121] ? __handle_mm_fault+0x4230/0x4230 [ 278.340685] __do_page_fault+0x493/0xb80 [ 278.344722] ? mm_fault_error+0x2a0/0x2a0 [ 278.348841] ? SyS_umask+0x60/0x60 [ 278.352357] ? do_syscall_64+0xb8/0x980 [ 278.356398] do_page_fault+0xe1/0x6f4 [ 278.360173] ? vmalloc_sync_all+0x20/0x20 [ 278.364294] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 278.369020] ? syscall_return_slowpath+0x4e0/0x4e0 [ 278.373927] ? syscall_return_slowpath+0x215/0x4e0 [ 278.378830] ? prepare_exit_to_usermode+0x300/0x300 [ 278.383878] ? retint_user+0x18/0x18 [ 278.387568] ? page_fault+0x2f/0x50 [ 278.391190] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 278.396036] ? page_fault+0x2f/0x50 [ 278.399643] page_fault+0x45/0x50 [ 278.403072] RIP: 0033:0x7ffae0482892 [ 278.406760] RSP: 002b:00007ffceea32e78 EFLAGS: 00010206 [ 278.412282] RAX: 0000000000000065 RBX: 00007ffadfcc2e20 RCX: 0000000000000000 [ 278.419540] RDX: 0000000000000467 RSI: 0000000000401a69 RDI: 00007ffadfcca9de [ 278.426786] RBP: 00007ffae0683058 R08: 0000000003f0b27f R09: 0000000000000005 [ 278.434031] R10: 00007ffceea32f10 R11: 00007ffceea32f10 R12: 0000000000000007 [ 278.441276] R13: 00000000fc2c9fc5 R14: 0000000000000003 R15: 00007ffceea33098 [ 278.507325] Mem-Info: [ 278.537333] active_anon:4384 inactive_anon:187 isolated_anon:0 [ 278.537333] active_file:10 inactive_file:16 isolated_file:0 [ 278.537333] unevictable:0 dirty:0 writeback:0 unstable:0 [ 278.537333] slab_reclaimable:11548 slab_unreclaimable:1507515 [ 278.537333] mapped:2 shmem:241 pagetables:515 bounce:0 [ 278.537333] free:24185 free_pcp:15 free_cma:0 [ 278.587810] Node 0 active_anon:17536kB inactive_anon:748kB active_file:40kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 278.848209] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 279.131471] lowmem_reserve[]: 0 2833 6339 6339 [ 279.136114] Node 0 DMA32 free:43832kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 279.416712] lowmem_reserve[]: 0 0 3505 3505 [ 279.460773] Node 0 Normal free:37000kB min:37280kB low:46600kB high:55920kB active_anon:17536kB inactive_anon:748kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7360kB pagetables:2060kB bounce:0kB free_pcp:12kB local_pcp:0kB free_cma:0kB [ 279.728966] lowmem_reserve[]: 0 0 0 0 [ 279.768901] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 279.899726] Node 0 DMA32: 4*4kB (UME) 5*8kB (UM) 26*16kB (UME) 75*32kB (UME) 62*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 43832kB [ 280.041821] Node 0 Normal: 1064*4kB (UMEH) 620*8kB (UMEH) 312*16kB (UMEH) 121*32kB (UMEH) 69*64kB (UMEH) 43*128kB (UMH) 36*256kB (ME) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 37728kB [ 280.206875] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 280.298899] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 280.379369] 272 total pagecache pages [ 280.398110] 0 pages in swap cache [ 280.445965] Swap cache stats: add 0, delete 0, find 0/0 [ 280.477191] Free swap = 0kB [ 280.516202] Total swap = 0kB [ 280.519222] 1965979 pages RAM [ 280.576754] 0 pages HighMem/MovableOnly [ 280.626618] 338422 pages reserved [ 280.653597] 0 pages cma reserved [ 280.656970] Unreclaimable slab info: [ 280.726817] Name Used Total [ 280.782388] pid_2 118KB 156KB [ 280.787798] TIPC 10KB 14KB [ 280.901563] SCTPv6 14KB 16KB [ 280.906954] DCCPv6 17KB 21KB [ 281.001414] DCCP 15KB 20KB [ 281.006814] bridge_fdb_cache 11KB 15KB [ 281.094437] fib6_nodes 77KB 96KB [ 281.099836] ip6_dst_cache 341KB 630KB [ 281.221192] RAWv6 68KB 71KB [ 281.226554] UDPv6 3KB 3KB [ 281.340177] TCPv6 2KB 5KB [ 281.345601] sd_ext_cdb 0KB 3KB [ 281.423705] scsi_sense_cache 783KB 784KB [ 281.429082] virtio_scsi_cmd 16KB 16KB [ 281.515981] sgpool-128 10KB 10KB [ 281.566998] sgpool-64 23KB 23KB [ 281.628983] sgpool-32 2557KB 2557KB [ 281.688894] sgpool-16 731KB 731KB [ 281.728539] sgpool-8 1916KB 1916KB [ 281.778337] cfq_io_cq 21KB 35KB [ 281.848433] cfq_queue 40KB 73KB [ 281.899112] mqueue_inode_cache 10KB 21KB [ 281.953147] bio-2 14KB 19KB [ 281.958510] jfs_mp 7KB 7KB [ 282.051760] nfs_commit_data 3KB 7KB [ 282.057148] nfs_write_data 34KB 37KB [ 282.185508] ext4_system_zone 0KB 3KB [ 282.234409] bio-1 1KB 3KB [ 282.239919] pid_namespace 1KB 7KB [ 282.268443] rpc_buffers 17KB 19KB [ 282.273886] rpc_tasks 2KB 3KB [ 282.279248] UNIX 8KB 14KB [ 282.284675] tcp_bind_bucket 1KB 4KB [ 282.290215] ip_fib_trie 11KB 15KB [ 282.295595] ip_fib_alias 52KB 63KB [ 282.300993] ip_dst_cache 1KB 8KB [ 282.306379] RAW 40KB 50KB [ 282.311745] UDP 15KB 23KB [ 282.317084] TCP 23KB 47KB [ 282.322500] hugetlbfs_inode_cache 2KB 7KB [ 282.328202] fscache_cookie_jar 0KB 7KB [ 282.333660] eventpoll_pwq 33KB 51KB [ 282.339020] eventpoll_epi 61KB 94KB [ 282.344418] inotify_inode_mark 60KB 86KB [ 282.349850] request_queue 129KB 137KB [ 282.355234] blkdev_requests 1KB 3KB [ 282.361339] blkdev_ioc 30KB 42KB [ 282.366696] bio-0 2760KB 2760KB [ 282.372373] biovec-(1<<(21-12)) 2961KB 2961KB [ 282.377929] biovec-64 2480KB 2480KB [ 282.426930] biovec-16 600KB 600KB [ 282.447636] bio_integrity_payload 1KB 8KB [ 282.479223] khugepaged_mm_slot 0KB 3KB [ 282.517852] dmaengine-unmap-256 2KB 6KB [ 282.523446] dmaengine-unmap-128 1KB 3KB [ 282.528988] dmaengine-unmap-16 0KB 4KB [ 282.542006] dmaengine-unmap-2 0KB 3KB [ 282.552383] skbuff_fclone_cache 4KB 11KB [ 282.558300] skbuff_head_cache 581KB 1140KB [ 282.563921] configfs_dir_cache 0KB 4KB [ 282.569457] file_lock_cache 0KB 3KB [ 282.574974] file_lock_ctx 0KB 3KB [ 282.580396] fsnotify_mark_connector 35KB 51KB [ 282.586381] net_namespace 41KB 41KB [ 282.591855] shmem_inode_cache 5765KB 5979KB [ 282.597274] task_delay_info 98KB 355KB [ 282.602691] taskstats 123KB 160KB [ 282.608092] sigqueue 68KB 287KB [ 282.613596] kernfs_node_cache 10990KB 10993KB [ 282.618979] mnt_cache 5689KB 5904KB [ 282.679715] filp 3881KB 5103KB [ 282.731944] names_cache 97278KB 97299KB [ 282.737357] iint_cache 26KB 63KB [ 282.843343] key_jar 3KB 7KB [ 282.848737] nsproxy 58KB 71KB [ 282.940949] vm_area_struct 6941KB 9358KB [ 282.946352] mm_struct 1017KB 1804KB [ 283.055414] fs_cache 84KB 332KB [ 283.110123] files_cache 314KB 543KB [ 283.115509] signal_cache 725KB 1308KB [ 283.229309] sighand_cache 474KB 520KB [ 283.266021] task_struct 3118KB 3168KB [ 283.336855] cred_jar 610KB 1732KB [ 283.382818] anon_vma_chain 4376KB 5831KB [ 283.388184] anon_vma 192KB 342KB [ 283.474885] pid 63KB 280KB [ 283.544411] Acpi-Operand 107KB 178KB [ 283.549816] Acpi-Namespace 19KB 23KB [ 283.641166] numa_policy 0KB 3KB [ 283.646588] debug_objects_cache 896KB 1021KB [ 283.735442] trace_event_file 247KB 251KB [ 283.791239] ftrace_event_field 353KB 354KB [ 283.796715] pool_workqueue 80KB 84KB [ 283.896624] task_group 4KB 7KB [ 283.915665] page->ptl 1169KB 2826KB [ 283.948702] kmalloc-4194304 5640192KB 5640192KB [ 284.028279] kmalloc-2097152 2050KB 2050KB [ 284.067251] kmalloc-524288 1028KB 1028KB [ 284.126883] kmalloc-262144 1290KB 1290KB [ 284.168687] kmalloc-131072 650KB 650KB [ 284.213400] kmalloc-65536 264KB 264KB [ 284.218791] kmalloc-32768 1254KB 1254KB [ 284.338676] kmalloc-16384 379KB 379KB [ 284.390284] kmalloc-8192 1782KB 1782KB [ 284.395654] kmalloc-4096 18028KB 18066KB [ 284.495923] kmalloc-2048 20827KB 20827KB [ 284.551763] kmalloc-1024 6120KB 6914KB [ 284.557133] kmalloc-512 3102KB 4432KB [ 284.627982] kmalloc-256 3145KB 3495KB [ 284.685842] kmalloc-128 1381KB 1504KB [ 284.709144] kmalloc-96 2952KB 3556KB [ 284.789566] kmalloc-64 2003KB 2156KB [ 284.840507] kmalloc-32 2754KB 3110KB [ 284.845912] kmalloc-192 872KB 920KB [ 284.952452] kmem_cache 202KB 202KB [ 284.957882] Out of memory: Kill process 26530 (syz-executor5) score 999 or sacrifice child [ 285.067547] Killed process 26530 (syz-executor5) total-vm:37704kB, anon-rss:88kB, file-rss:0kB, shmem-rss:0kB [ 285.160225] oom_reaper: reaped process 26530 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 285.224677] syz-execprog invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 285.254802] syz-execprog cpuset=/ mems_allowed=0 [ 285.259621] CPU: 1 PID: 5558 Comm: syz-execprog Not tainted 4.16.0-rc7+ #1 [ 285.266620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.275978] Call Trace: [ 285.278574] dump_stack+0x153/0x201 [ 285.282192] ? arch_local_irq_restore+0x43/0x43 [ 285.286856] ? debug_check_no_locks_freed+0x310/0x310 [ 285.292039] dump_header+0x281/0xddc [ 285.295741] ? oom_reaper.cold.28+0x28/0x28 [ 285.300058] ? debug_check_no_locks_freed+0x310/0x310 [ 285.305241] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 285.310233] ? debug_check_no_locks_freed+0x310/0x310 [ 285.315396] ? print_usage_bug+0xc0/0xc0 [ 285.319537] ? print_usage_bug+0xc0/0xc0 [ 285.323593] ? ___ratelimit+0x2dd/0x648 [ 285.327570] ? lock_downgrade+0x900/0x900 [ 285.331690] ? lock_release+0x9b0/0x9b0 [ 285.335637] ? mark_held_locks+0xc7/0x130 [ 285.339758] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 285.344837] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 285.349848] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 285.354945] ? ___ratelimit+0x2dd/0x648 [ 285.358894] ? idr_get_free+0x1550/0x1550 [ 285.363029] ? find_held_lock+0x13f/0x1c0 [ 285.367154] oom_kill_process.cold.29+0xb/0x1013 [ 285.371883] ? lock_downgrade+0x900/0x900 [ 285.376006] ? lock_release+0x9b0/0x9b0 [ 285.379953] ? find_held_lock+0x36/0x1c0 [ 285.383990] ? oom_evaluate_task+0x450/0x450 [ 285.388368] ? oom_badness+0x1fe/0x930 [ 285.392242] ? lock_downgrade+0x900/0x900 [ 285.396373] ? find_lock_task_mm+0x205/0x430 [ 285.400755] ? task_will_free_mem+0xe40/0xe40 [ 285.405223] ? find_held_lock+0x36/0x1c0 [ 285.409256] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 285.413814] ? oom_unkillable_task+0x2e4/0x480 [ 285.418365] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 285.423359] ? _raw_spin_unlock+0x2c/0x50 [ 285.427476] ? oom_badness+0x1fe/0x930 [ 285.431334] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 285.435885] ? find_lock_task_mm+0x430/0x430 [ 285.440269] ? find_held_lock+0x36/0x1c0 [ 285.444307] ? out_of_memory+0xa05/0x10f0 [ 285.448475] ? lock_downgrade+0x900/0x900 [ 285.452599] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 285.457154] ? debug_smp_processor_id+0x17/0x20 [ 285.461801] ? rcu_is_watching+0x69/0x180 [ 285.465957] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 285.470516] ? oom_evaluate_task+0x296/0x450 [ 285.474901] out_of_memory+0x739/0x10f0 [ 285.478852] ? oom_killer_disable+0x2d0/0x2d0 [ 285.483329] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 285.488236] ? __lock_is_held+0xb5/0x140 [ 285.492272] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 285.496844] __alloc_pages_slowpath+0x2387/0x2e80 [ 285.501681] ? warn_alloc+0x120/0x120 [ 285.505466] ? lock_downgrade+0x900/0x900 [ 285.509597] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 285.514154] ? debug_smp_processor_id+0x17/0x20 [ 285.518792] ? rcu_is_watching+0x69/0x180 [ 285.522916] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 285.527482] ? rcu_read_lock_sched_held+0x108/0x120 [ 285.532475] ? find_get_entry+0x217/0xa40 [ 285.536618] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 285.541631] ? __lock_is_held+0xb5/0x140 [ 285.545666] ? debug_check_no_locks_freed+0x310/0x310 [ 285.550829] ? lock_release+0x9b0/0x9b0 [ 285.554777] ? check_same_owner+0x330/0x330 [ 285.559479] ? debug_smp_processor_id+0x17/0x20 [ 285.564123] ? rcu_is_watching+0x69/0x180 [ 285.568250] ? __might_sleep+0x95/0x190 [ 285.575822] __alloc_pages_nodemask+0xaae/0xe10 [ 285.580471] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 285.585462] ? find_get_pages_contig+0x12e0/0x12e0 [ 285.590389] ? read_cache_pages+0x960/0x960 [ 285.594679] ? lock_downgrade+0x900/0x900 [ 285.598828] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 285.603839] ? add_to_page_cache_lru+0x283/0x6c0 [ 285.608597] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 285.613589] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 285.618580] ? find_held_lock+0x36/0x1c0 [ 285.622620] alloc_pages_current+0xd6/0x1b0 [ 285.626916] __page_cache_alloc+0x2d8/0x570 [ 285.631222] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 285.635862] ? debug_smp_processor_id+0x17/0x20 [ 285.640504] ? rcu_is_watching+0x69/0x180 [ 285.644647] ? __filemap_set_wb_err+0x320/0x320 [ 285.649284] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 285.653838] ? filemap_fault+0x142f/0x1c50 [ 285.658043] filemap_fault+0x1087/0x1c50 [ 285.662080] ? __lock_page_or_retry+0x450/0x450 [ 285.667017] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 285.671586] ? filemap_map_pages+0x907/0x16e0 [ 285.676051] ? wait_for_completion+0x8a0/0x8a0 [ 285.680624] ? find_get_pages_range_tag+0x1020/0x1020 [ 285.685784] ? mark_held_locks+0xc7/0x130 [ 285.689903] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 285.694981] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 285.699969] ? mutex_unlock+0xd/0x10 [ 285.703672] ? print_usage_bug+0xc0/0xc0 [ 285.707704] ? print_usage_bug+0xc0/0xc0 [ 285.711738] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 285.716730] ? lock_acquire+0x1ed/0x560 [ 285.720689] ? ext4_filemap_fault+0x75/0xa5 [ 285.725019] ? lock_release+0x9b0/0x9b0 [ 285.728967] ? check_same_owner+0x330/0x330 [ 285.733366] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 285.738355] ? ext4_filemap_fault+0x88/0xa5 [ 285.742660] ? down_read+0x99/0x160 [ 285.746263] ? ext4_filemap_fault+0x75/0xa5 [ 285.750575] ? __down_interruptible+0x700/0x700 [ 285.755224] ext4_filemap_fault+0x7d/0xa5 [ 285.759347] __do_fault+0xe8/0x3d0 [ 285.762866] ? pmd_devmap_trans_unstable+0x130/0x130 [ 285.767944] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 285.772502] ? add_mm_counter_fast+0xc0/0xc0 [ 285.776883] ? add_mm_counter_fast+0xc0/0xc0 [ 285.781272] __handle_mm_fault+0x2294/0x4230 [ 285.785665] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 285.790403] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 285.795390] ? rcu_is_watching+0x69/0x180 [ 285.799513] ? __lock_is_held+0xb5/0x140 [ 285.803560] ? handle_mm_fault+0x35c/0xa00 [ 285.807766] ? lock_downgrade+0x900/0x900 [ 285.811887] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 285.816440] ? debug_smp_processor_id+0x17/0x20 [ 285.821081] ? rcu_is_watching+0x69/0x180 [ 285.825208] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 285.829795] ? handle_mm_fault+0x6d3/0xa00 [ 285.834010] handle_mm_fault+0x415/0xa00 [ 285.838055] ? __handle_mm_fault+0x4230/0x4230 [ 285.842616] __do_page_fault+0x493/0xb80 [ 285.846654] ? mm_fault_error+0x2a0/0x2a0 [ 285.850781] do_page_fault+0xe1/0x6f4 [ 285.854556] ? vmalloc_sync_all+0x20/0x20 [ 285.858675] ? syscall_slow_exit_work+0x420/0x420 [ 285.863492] ? syscall_return_slowpath+0x4e0/0x4e0 [ 285.868400] ? retint_user+0x18/0x18 [ 285.872087] ? page_fault+0x2f/0x50 [ 285.875689] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 285.880510] ? page_fault+0x2f/0x50 [ 285.884124] page_fault+0x45/0x50 [ 285.887582] RIP: 0033:0x42f520 [ 285.890744] RSP: 002b:000000c420033ea0 EFLAGS: 00010202 [ 285.896088] RAX: 0000000000000004 RBX: 0000000000000000 RCX: 000000c420058f00 [ 285.903330] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000c42001a001 [ 285.910571] RBP: 000000c420033f28 R08: 0000000000000000 R09: 0000004c479a1cb9 [ 285.917824] R10: 0004db6308000000 R11: 0000000000000001 R12: 0000000000000001 [ 285.925066] R13: 000000c420437080 R14: 0000000000000001 R15: 0000000000000000 [ 285.939557] Mem-Info: [ 285.957604] active_anon:4385 inactive_anon:187 isolated_anon:0 [ 285.957604] active_file:14 inactive_file:0 isolated_file:0 [ 285.957604] unevictable:0 dirty:0 writeback:0 unstable:0 [ 285.957604] slab_reclaimable:11560 slab_unreclaimable:1507221 [ 285.957604] mapped:25 shmem:241 pagetables:515 bounce:0 [ 285.957604] free:24243 free_pcp:0 free_cma:0 [ 286.083907] Node 0 active_anon:17472kB inactive_anon:748kB active_file:64kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 286.235589] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 286.263935] lowmem_reserve[]: 0 2833 6339 6339 [ 286.268540] Node 0 DMA32 free:43840kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 286.295789] lowmem_reserve[]: 0 0 3505 3505 [ 286.300177] Node 0 Normal free:36900kB min:37280kB low:46600kB high:55920kB active_anon:17472kB inactive_anon:748kB active_file:64kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7264kB pagetables:2028kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 286.328731] lowmem_reserve[]: 0 0 0 0 [ 286.332704] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 286.348168] Node 0 DMA32: 4*4kB (UME) 6*8kB (UM) 26*16kB (UME) 75*32kB (UME) 62*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 43840kB [ 286.365551] Node 0 Normal: 1005*4kB (UMEH) 608*8kB (UMEH) 314*16kB (UMEH) 122*32kB (UMEH) 69*64kB (UMEH) 43*128kB (UMH) 36*256kB (ME) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 37460kB [ 286.382366] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 286.391664] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 286.400244] 272 total pagecache pages [ 286.404038] 0 pages in swap cache [ 286.407460] Swap cache stats: add 0, delete 0, find 0/0 [ 286.412817] Free swap = 0kB [ 286.415824] Total swap = 0kB [ 286.418813] 1965979 pages RAM [ 286.421919] 0 pages HighMem/MovableOnly [ 286.425865] 338422 pages reserved [ 286.429299] 0 pages cma reserved [ 286.432658] Unreclaimable slab info: [ 286.436345] Name Used Total [ 286.441904] pid_2 115KB 156KB [ 286.447258] TIPC 10KB 14KB [ 286.452645] SCTPv6 14KB 16KB [ 286.457997] DCCPv6 17KB 21KB [ 286.466631] DCCP 15KB 20KB [ 286.472052] bridge_fdb_cache 11KB 15KB [ 286.477403] fib6_nodes 77KB 96KB [ 286.483048] ip6_dst_cache 361KB 630KB [ 286.488416] RAWv6 68KB 71KB [ 286.493789] UDPv6 3KB 3KB [ 286.499137] TCPv6 2KB 5KB [ 286.517621] sd_ext_cdb 0KB 3KB [ 286.523798] scsi_sense_cache 788KB 788KB [ 286.529157] virtio_scsi_cmd 16KB 16KB [ 286.538141] sgpool-128 10KB 10KB [ 286.545947] sgpool-64 23KB 23KB [ 286.554794] sgpool-32 2640KB 2640KB [ 286.560235] sgpool-16 746KB 746KB [ 286.566753] sgpool-8 1942KB 1942KB [ 286.612261] cfq_io_cq 31KB 35KB [ 286.617623] cfq_queue 48KB 73KB [ 286.634939] mqueue_inode_cache 10KB 21KB [ 286.640482] bio-2 14KB 19KB [ 286.645898] jfs_mp 7KB 7KB [ 286.651652] nfs_commit_data 3KB 7KB [ 286.656990] nfs_write_data 34KB 37KB [ 286.662401] ext4_system_zone 0KB 3KB [ 286.667762] bio-1 1KB 3KB [ 286.673136] pid_namespace 1KB 7KB [ 286.678479] rpc_buffers 17KB 19KB [ 286.683853] rpc_tasks 2KB 3KB [ 286.689203] UNIX 8KB 14KB [ 286.694567] tcp_bind_bucket 1KB 4KB [ 286.699909] ip_fib_trie 11KB 15KB [ 286.705266] ip_fib_alias 52KB 63KB [ 286.710635] ip_dst_cache 1KB 8KB [ 286.715971] RAW 40KB 50KB [ 286.721502] UDP 15KB 23KB [ 286.726859] TCP 23KB 47KB [ 286.735546] hugetlbfs_inode_cache 2KB 7KB [ 286.746198] fscache_cookie_jar 0KB 7KB [ 286.805849] eventpoll_pwq 32KB 51KB [ 286.897099] eventpoll_epi 60KB 94KB [ 286.919096] inotify_inode_mark 58KB 86KB [ 286.958881] request_queue 129KB 137KB [ 286.995689] blkdev_requests 1KB 3KB [ 287.042071] blkdev_ioc 42KB 42KB [ 287.048061] bio-0 2790KB 2790KB [ 287.117585] biovec-(1<<(21-12)) 2961KB 2961KB [ 287.199021] biovec-64 2480KB 2480KB [ 287.237329] biovec-16 600KB 600KB [ 287.286738] bio_integrity_payload 1KB 8KB [ 287.309878] khugepaged_mm_slot 0KB 3KB [ 287.368005] dmaengine-unmap-256 2KB 6KB [ 287.420840] dmaengine-unmap-128 1KB 3KB [ 287.426392] dmaengine-unmap-16 0KB 4KB [ 287.508411] dmaengine-unmap-2 0KB 3KB [ 287.567440] skbuff_fclone_cache 4KB 11KB [ 287.617919] skbuff_head_cache 568KB 1128KB [ 287.669503] configfs_dir_cache 0KB 4KB [ 287.721173] file_lock_cache 0KB 3KB [ 287.726553] file_lock_ctx 0KB 3KB [ 287.801000] fsnotify_mark_connector 34KB 51KB [ 287.806898] net_namespace 41KB 41KB [ 287.896124] shmem_inode_cache 5727KB 5940KB [ 287.949100] task_delay_info 92KB 347KB [ 287.975891] taskstats 122KB 160KB [ 288.037064] sigqueue 66KB 279KB [ 288.083379] kernfs_node_cache 10990KB 10993KB [ 288.088763] mnt_cache 5661KB 5900KB [ 288.157268] filp 3874KB 5100KB [ 288.162737] names_cache 97295KB 97299KB [ 288.168106] iint_cache 26KB 63KB [ 288.178769] key_jar 3KB 7KB [ 288.201589] nsproxy 56KB 71KB [ 288.206955] vm_area_struct 6927KB 9358KB [ 288.235111] mm_struct 976KB 1781KB [ 288.243994] fs_cache 81KB 328KB [ 288.249357] files_cache 305KB 536KB [ 288.338818] signal_cache 708KB 1293KB [ 288.381843] sighand_cache 474KB 520KB [ 288.387216] task_struct 3093KB 3149KB [ 288.480726] cred_jar 580KB 1692KB [ 288.486115] anon_vma_chain 4360KB 5831KB [ 288.584200] anon_vma 188KB 342KB [ 288.589600] pid 62KB 280KB [ 288.665706] Acpi-Operand 107KB 178KB [ 288.765833] Acpi-Namespace 19KB 23KB [ 288.807572] numa_policy 0KB 3KB [ 288.867380] debug_objects_cache 896KB 1021KB [ 288.928587] trace_event_file 247KB 251KB [ 288.968920] ftrace_event_field 353KB 354KB [ 289.020496] pool_workqueue 80KB 84KB [ 289.025868] task_group 4KB 7KB [ 289.108912] page->ptl 1159KB 2822KB [ 289.167169] kmalloc-4194304 5640192KB 5640192KB [ 289.212479] kmalloc-2097152 2050KB 2050KB [ 289.217873] kmalloc-524288 1028KB 1028KB [ 289.317605] kmalloc-262144 1290KB 1290KB [ 289.362056] kmalloc-131072 650KB 650KB [ 289.367425] kmalloc-65536 264KB 264KB [ 289.434962] kmalloc-32768 1254KB 1254KB [ 289.529990] kmalloc-16384 379KB 379KB [ 289.578395] kmalloc-8192 1782KB 1782KB [ 289.630435] kmalloc-4096 18020KB 18049KB [ 289.635814] kmalloc-2048 20827KB 20827KB [ 289.718585] kmalloc-1024 6091KB 6914KB [ 289.757210] kmalloc-512 3075KB 4421KB [ 289.807154] kmalloc-256 3128KB 3495KB [ 289.826250] kmalloc-128 1362KB 1504KB [ 289.885699] kmalloc-96 2952KB 3556KB [ 289.938995] kmalloc-64 1991KB 2156KB [ 289.989873] kmalloc-32 2753KB 3110KB [ 290.023883] kmalloc-192 865KB 920KB [ 290.029246] kmem_cache 202KB 202KB [ 290.133235] Out of memory: Kill process 26531 (syz-executor3) score 999 or sacrifice child [ 290.179178] Killed process 26531 (syz-executor3) total-vm:37572kB, anon-rss:84kB, file-rss:0kB, shmem-rss:0kB [ 290.312447] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 290.366038] udevd cpuset=/ mems_allowed=0 [ 290.448014] CPU: 0 PID: 26521 Comm: udevd Not tainted 4.16.0-rc7+ #1 [ 290.454517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 290.463888] Call Trace: [ 290.466478] dump_stack+0x153/0x201 [ 290.470096] ? arch_local_irq_restore+0x43/0x43 [ 290.474763] ? debug_check_no_locks_freed+0x310/0x310 [ 290.479950] dump_header+0x281/0xddc [ 290.483662] ? oom_reaper.cold.28+0x28/0x28 [ 290.488000] ? debug_check_no_locks_freed+0x310/0x310 [ 290.493221] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 290.498239] ? debug_check_no_locks_freed+0x310/0x310 [ 290.503414] ? print_usage_bug+0xc0/0xc0 [ 290.507474] ? print_usage_bug+0xc0/0xc0 [ 290.511530] ? ___ratelimit+0x2dd/0x648 [ 290.515499] ? lock_downgrade+0x900/0x900 [ 290.519633] ? lock_release+0x9b0/0x9b0 [ 290.523600] ? mark_held_locks+0xc7/0x130 [ 290.527739] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 290.532844] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 290.537867] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 290.542963] ? ___ratelimit+0x2dd/0x648 [ 290.546931] ? idr_get_free+0x1550/0x1550 [ 290.551180] ? find_held_lock+0x13f/0x1c0 [ 290.555321] oom_kill_process.cold.29+0xb/0x1013 [ 290.560067] ? lock_downgrade+0x900/0x900 [ 290.564207] ? lock_release+0x9b0/0x9b0 [ 290.568176] ? find_held_lock+0x36/0x1c0 [ 290.576226] ? oom_evaluate_task+0x450/0x450 [ 290.580628] ? oom_badness+0x1fe/0x930 [ 290.584507] ? lock_downgrade+0x900/0x900 [ 290.588653] ? find_lock_task_mm+0x205/0x430 [ 290.593058] ? task_will_free_mem+0xe40/0xe40 [ 290.597535] ? find_held_lock+0x36/0x1c0 [ 290.601587] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 290.606176] ? oom_unkillable_task+0x2e4/0x480 [ 290.610770] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 290.615777] ? _raw_spin_unlock+0x2c/0x50 [ 290.619915] ? oom_badness+0x1fe/0x930 [ 290.623789] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 290.628362] ? find_lock_task_mm+0x430/0x430 [ 290.632789] ? find_held_lock+0x36/0x1c0 [ 290.636838] ? out_of_memory+0xa05/0x10f0 [ 290.640964] ? lock_downgrade+0x900/0x900 [ 290.645120] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 290.649704] ? debug_smp_processor_id+0x17/0x20 [ 290.654365] ? rcu_is_watching+0x69/0x180 [ 290.658498] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 290.663068] ? oom_evaluate_task+0x296/0x450 [ 290.667481] out_of_memory+0x739/0x10f0 [ 290.671453] ? oom_killer_disable+0x2d0/0x2d0 [ 290.676988] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 290.681895] ? __lock_is_held+0xb5/0x140 [ 290.685945] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 290.690451] __alloc_pages_slowpath+0x2387/0x2e80 [ 290.695315] ? warn_alloc+0x120/0x120 [ 290.699089] ? lock_downgrade+0x900/0x900 [ 290.703225] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 290.707803] ? debug_smp_processor_id+0x17/0x20 [ 290.712461] ? rcu_is_watching+0x69/0x180 [ 290.716592] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 290.721163] ? rcu_read_lock_sched_held+0x108/0x120 [ 290.726175] ? find_get_entry+0x217/0xa40 [ 290.730323] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 290.735340] ? __lock_is_held+0xb5/0x140 [ 290.739376] ? debug_check_no_locks_freed+0x310/0x310 [ 290.744548] ? lock_release+0x9b0/0x9b0 [ 290.748515] ? check_same_owner+0x330/0x330 [ 290.752825] ? debug_smp_processor_id+0x17/0x20 [ 290.757475] ? rcu_is_watching+0x69/0x180 [ 290.761606] ? __might_sleep+0x95/0x190 [ 290.765586] __alloc_pages_nodemask+0xaae/0xe10 [ 290.770281] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 290.775284] ? find_get_pages_contig+0x12e0/0x12e0 [ 290.780198] ? read_cache_pages+0x960/0x960 [ 290.784508] ? lock_downgrade+0x900/0x900 [ 290.788650] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 290.793649] ? add_to_page_cache_lru+0x283/0x6c0 [ 290.798377] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 290.803393] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 290.808400] ? find_held_lock+0x36/0x1c0 [ 290.812459] alloc_pages_current+0xd6/0x1b0 [ 290.816768] __page_cache_alloc+0x2d8/0x570 [ 290.821071] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 290.825642] ? debug_smp_processor_id+0x17/0x20 [ 290.830311] ? rcu_is_watching+0x69/0x180 [ 290.834460] ? __filemap_set_wb_err+0x320/0x320 [ 290.839103] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 290.843657] ? filemap_fault+0x142f/0x1c50 [ 290.847863] filemap_fault+0x1087/0x1c50 [ 290.851913] ? __lock_page_or_retry+0x450/0x450 [ 290.856551] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 290.861107] ? filemap_map_pages+0x907/0x16e0 [ 290.865592] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 290.870168] ? debug_smp_processor_id+0x17/0x20 [ 290.874858] ? rcu_is_watching+0x69/0x180 [ 290.878983] ? find_get_pages_range_tag+0x1020/0x1020 [ 290.884148] ? unlock_page_memcg+0x2c/0x40 [ 290.888354] ? page_add_file_rmap+0x65d/0xb70 [ 290.892833] ? page_add_new_anon_rmap+0x960/0x960 [ 290.897650] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 290.902672] ? print_usage_bug+0xc0/0xc0 [ 290.906701] ? print_usage_bug+0xc0/0xc0 [ 290.910733] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 290.915717] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 290.920706] ? lock_acquire+0x1ed/0x560 [ 290.924653] ? ext4_filemap_fault+0x75/0xa5 [ 290.928949] ? lock_release+0x9b0/0x9b0 [ 290.932896] ? check_same_owner+0x330/0x330 [ 290.937191] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 290.942194] ? ext4_filemap_fault+0x88/0xa5 [ 290.946492] ? down_read+0x99/0x160 [ 290.950090] ? ext4_filemap_fault+0x75/0xa5 [ 290.954385] ? __down_interruptible+0x700/0x700 [ 290.959039] ext4_filemap_fault+0x7d/0xa5 [ 290.963162] __do_fault+0xe8/0x3d0 [ 290.966676] ? pmd_devmap_trans_unstable+0x130/0x130 [ 290.971752] ? add_mm_counter_fast+0xc0/0xc0 [ 290.976133] ? add_mm_counter_fast+0xc0/0xc0 [ 290.980523] __handle_mm_fault+0x2294/0x4230 [ 290.984908] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 290.989630] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 290.994623] ? handle_mm_fault+0x35c/0xa00 [ 290.998831] ? lock_downgrade+0x900/0x900 [ 291.002955] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 291.007509] ? debug_smp_processor_id+0x17/0x20 [ 291.012152] ? rcu_is_watching+0x69/0x180 [ 291.016272] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 291.020825] ? handle_mm_fault+0x6d3/0xa00 [ 291.025035] handle_mm_fault+0x415/0xa00 [ 291.029069] ? __handle_mm_fault+0x4230/0x4230 [ 291.033664] __do_page_fault+0x493/0xb80 [ 291.037698] ? mm_fault_error+0x2a0/0x2a0 [ 291.041818] ? SyS_umask+0x60/0x60 [ 291.045333] ? do_syscall_64+0xb8/0x980 [ 291.049279] do_page_fault+0xe1/0x6f4 [ 291.053053] ? vmalloc_sync_all+0x20/0x20 [ 291.057174] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 291.061919] ? syscall_return_slowpath+0x4e0/0x4e0 [ 291.066817] ? syscall_return_slowpath+0x215/0x4e0 [ 291.071717] ? prepare_exit_to_usermode+0x300/0x300 [ 291.076733] ? retint_user+0x18/0x18 [ 291.080421] ? page_fault+0x2f/0x50 [ 291.084020] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 291.088839] ? page_fault+0x2f/0x50 [ 291.092440] page_fault+0x45/0x50 [ 291.095864] RIP: 0033:0x7ffae04753aa [ 291.099558] RSP: 002b:00007ffceea32ec0 EFLAGS: 00010202 [ 291.104893] RAX: 00007ffadfcc2e20 RBX: 00007ffae0683058 RCX: 0000000000000000 [ 291.112137] RDX: 00007ffadfcba010 RSI: 0000000000401c43 RDI: 00007ffadfccce0e [ 291.119378] RBP: 0000000000000003 R08: 0000000003f0b27f R09: 0000000000000005 [ 291.126623] R10: 00007ffceea32f10 R11: 00007ffceea32f10 R12: 0000000000000007 [ 291.133882] R13: 00000000fc2c9fc5 R14: 0000000000000000 R15: 00007ffceea33098 [ 291.149424] Mem-Info: [ 291.151911] active_anon:4353 inactive_anon:187 isolated_anon:0 [ 291.151911] active_file:13 inactive_file:31 isolated_file:0 [ 291.151911] unevictable:0 dirty:0 writeback:0 unstable:0 [ 291.151911] slab_reclaimable:11547 slab_unreclaimable:1507155 [ 291.151911] mapped:2 shmem:241 pagetables:499 bounce:0 [ 291.151911] free:24691 free_pcp:215 free_cma:0 [ 291.187039] Node 0 active_anon:17412kB inactive_anon:748kB active_file:52kB inactive_file:624kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:108kB dirty:0kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 291.296626] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 291.347262] lowmem_reserve[]: 0 2833 6339 6339 [ 291.360081] Node 0 DMA32 free:43840kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 291.387631] lowmem_reserve[]: 0 0 3505 3505 [ 291.392082] Node 0 Normal free:38384kB min:37280kB low:46600kB high:55920kB active_anon:17412kB inactive_anon:748kB active_file:0kB inactive_file:176kB unevictable:0kB writepending:8kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7200kB pagetables:1996kB bounce:0kB free_pcp:572kB local_pcp:420kB free_cma:0kB [ 291.511273] lowmem_reserve[]: 0 0 0 0 [ 291.515169] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 291.528923] Node 0 DMA32: 4*4kB (UME) 6*8kB (UM) 26*16kB (UME) 75*32kB (UME) 62*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 43840kB [ 291.545809] Node 0 Normal: 688*4kB (UMEH) 655*8kB (UMEH) 318*16kB (UMEH) 131*32kB (UMEH) 91*64kB (UMEH) 44*128kB (UMH) 36*256kB (ME) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 38456kB [ 291.562558] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 291.571622] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 291.580255] 335 total pagecache pages [ 291.584057] 0 pages in swap cache [ 291.587499] Swap cache stats: add 0, delete 0, find 0/0 [ 291.592919] Free swap = 0kB [ 291.595932] Total swap = 0kB [ 291.598943] 1965979 pages RAM [ 291.602095] 0 pages HighMem/MovableOnly [ 291.606076] 338422 pages reserved [ 291.609539] 0 pages cma reserved [ 291.612954] Unreclaimable slab info: [ 291.616663] Name Used Total [ 291.622414] pid_2 114KB 156KB [ 291.627790] TIPC 10KB 14KB [ 291.635599] SCTPv6 14KB 16KB [ 291.650698] DCCPv6 17KB 21KB [ 291.656355] DCCP 15KB 20KB [ 291.661779] bridge_fdb_cache 11KB 15KB [ 291.667867] fib6_nodes 77KB 96KB [ 291.687475] ip6_dst_cache 361KB 630KB [ 291.693363] RAWv6 68KB 71KB [ 291.700103] UDPv6 3KB 3KB [ 291.705492] TCPv6 2KB 5KB [ 291.717463] sd_ext_cdb 0KB 3KB [ 291.731182] scsi_sense_cache 787KB 788KB [ 291.736548] virtio_scsi_cmd 16KB 16KB [ 291.745013] sgpool-128 10KB 10KB [ 291.751506] sgpool-64 23KB 23KB [ 291.758891] sgpool-32 2784KB 2784KB [ 291.765519] sgpool-16 776KB 776KB [ 291.801708] sgpool-8 1995KB 1995KB [ 291.807089] cfq_io_cq 31KB 35KB [ 291.813319] cfq_queue 48KB 73KB [ 291.818685] mqueue_inode_cache 10KB 21KB [ 291.824168] bio-2 14KB 19KB [ 291.829509] jfs_mp 7KB 7KB [ 291.834913] nfs_commit_data 3KB 7KB [ 291.840354] nfs_write_data 34KB 37KB [ 291.845739] ext4_system_zone 0KB 3KB [ 291.851142] bio-1 1KB 3KB [ 291.856509] pid_namespace 1KB 7KB [ 291.863165] rpc_buffers 17KB 19KB [ 291.868542] rpc_tasks 2KB 3KB [ 291.873921] UNIX 8KB 14KB [ 291.879273] tcp_bind_bucket 1KB 4KB [ 291.884639] ip_fib_trie 11KB 15KB [ 291.889982] ip_fib_alias 52KB 63KB [ 291.895353] ip_dst_cache 1KB 8KB [ 291.900739] RAW 40KB 50KB [ 291.906101] UDP 15KB 23KB [ 291.915259] TCP 23KB 47KB [ 291.921223] hugetlbfs_inode_cache 2KB 7KB [ 291.926920] fscache_cookie_jar 0KB 7KB [ 291.932467] eventpoll_pwq 32KB 51KB [ 291.937828] eventpoll_epi 60KB 94KB [ 291.943254] inotify_inode_mark 58KB 86KB [ 291.948696] request_queue 129KB 137KB [ 291.954061] blkdev_requests 1KB 3KB [ 291.959399] blkdev_ioc 42KB 42KB [ 291.964779] bio-0 2898KB 2898KB [ 291.970155] biovec-(1<<(21-12)) 2961KB 2961KB [ 291.975680] biovec-64 2496KB 2496KB [ 291.981085] biovec-16 618KB 618KB [ 291.986446] bio_integrity_payload 1KB 8KB [ 291.992172] khugepaged_mm_slot 0KB 3KB [ 291.997602] dmaengine-unmap-256 2KB 6KB [ 292.003175] dmaengine-unmap-128 1KB 3KB [ 292.008698] dmaengine-unmap-16 0KB 4KB [ 292.014164] dmaengine-unmap-2 0KB 3KB [ 292.019503] skbuff_fclone_cache 4KB 11KB [ 292.025080] skbuff_head_cache 568KB 1128KB [ 292.030683] configfs_dir_cache 0KB 4KB [ 292.036130] file_lock_cache 0KB 3KB [ 292.041711] file_lock_ctx 0KB 3KB [ 292.047082] fsnotify_mark_connector 34KB 51KB [ 292.053008] net_namespace 41KB 41KB [ 292.058369] shmem_inode_cache 5697KB 5902KB [ 292.063731] task_delay_info 91KB 343KB [ 292.069067] taskstats 137KB 160KB [ 292.074427] sigqueue 64KB 275KB [ 292.079766] kernfs_node_cache 10990KB 10993KB [ 292.085204] mnt_cache 5633KB 5868KB [ 292.090577] filp 3833KB 5092KB [ 292.095912] names_cache 97299KB 97299KB [ 292.101297] iint_cache 31KB 63KB [ 292.106650] key_jar 3KB 7KB [ 292.112045] nsproxy 55KB 71KB [ 292.117403] vm_area_struct 6913KB 9358KB [ 292.122838] mm_struct 943KB 1742KB [ 292.128201] fs_cache 80KB 320KB [ 292.133613] files_cache 300KB 536KB [ 292.138968] signal_cache 702KB 1293KB [ 292.144355] sighand_cache 474KB 520KB [ 292.149711] task_struct 3087KB 3137KB [ 292.155815] cred_jar 560KB 1660KB [ 292.162782] anon_vma_chain 4346KB 5831KB [ 292.168315] anon_vma 186KB 342KB [ 292.174247] pid 62KB 280KB [ 292.180374] Acpi-Operand 107KB 178KB [ 292.192970] Acpi-Namespace 19KB 23KB [ 292.206098] numa_policy 0KB 3KB [ 292.222898] debug_objects_cache 896KB 1021KB [ 292.228440] trace_event_file 247KB 251KB [ 292.261324] ftrace_event_field 353KB 354KB [ 292.267493] pool_workqueue 80KB 84KB [ 292.276456] task_group 4KB 7KB [ 292.282497] page->ptl 1148KB 2822KB [ 292.289580] kmalloc-4194304 5640192KB 5640192KB [ 292.295415] kmalloc-2097152 2050KB 2050KB [ 292.301527] kmalloc-524288 1028KB 1028KB [ 292.308182] kmalloc-262144 1290KB 1290KB [ 292.315229] kmalloc-131072 650KB 650KB [ 292.321854] kmalloc-65536 264KB 264KB [ 292.328303] kmalloc-32768 1254KB 1254KB [ 292.335318] kmalloc-16384 379KB 379KB [ 292.341048] kmalloc-8192 1782KB 1782KB [ 292.346634] kmalloc-4096 17926KB 17964KB [ 292.352683] kmalloc-2048 21043KB 21043KB [ 292.358190] kmalloc-1024 6069KB 6914KB [ 292.364114] kmalloc-512 3047KB 4406KB [ 292.369622] kmalloc-256 3113KB 3495KB [ 292.375512] kmalloc-128 1356KB 1504KB [ 292.381061] kmalloc-96 2952KB 3556KB [ 292.386552] kmalloc-64 1979KB 2156KB [ 292.392137] kmalloc-32 2745KB 3110KB [ 292.397742] kmalloc-192 863KB 920KB [ 292.403325] kmem_cache 202KB 202KB [ 292.409024] Out of memory: Kill process 26524 (syz-executor2) score 999 or sacrifice child 2019/03/24 16:54:17 executed programs: 4824 [ 295.615689] syz-execprog invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 295.629362] syz-execprog cpuset=/ mems_allowed=0 [ 295.634219] CPU: 1 PID: 5560 Comm: syz-execprog Not tainted 4.16.0-rc7+ #1 [ 295.641239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 295.650581] Call Trace: [ 295.653165] dump_stack+0x153/0x201 [ 295.656776] ? arch_local_irq_restore+0x43/0x43 [ 295.661431] ? debug_check_no_locks_freed+0x310/0x310 [ 295.667076] dump_header+0x281/0xddc [ 295.670783] ? oom_reaper.cold.28+0x28/0x28 [ 295.675090] ? print_usage_bug+0xc0/0xc0 [ 295.679135] ? __lock_acquire+0x72e/0x4c60 [ 295.683369] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 295.688379] ? print_usage_bug+0xc0/0xc0 [ 295.692429] ? ___ratelimit+0x2dd/0x648 [ 295.696386] ? lock_downgrade+0x900/0x900 [ 295.700560] ? lock_release+0x9b0/0x9b0 [ 295.704569] ? mark_held_locks+0xc7/0x130 [ 295.708699] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 295.713783] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 295.718800] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 295.723887] ? ___ratelimit+0x2dd/0x648 [ 295.727845] ? idr_get_free+0x1550/0x1550 [ 295.731977] ? find_held_lock+0x13f/0x1c0 [ 295.736112] oom_kill_process.cold.29+0xb/0x1013 [ 295.740853] ? has_ns_capability_noaudit+0x147/0x250 [ 295.745937] ? lock_downgrade+0x900/0x900 [ 295.750072] ? oom_evaluate_task+0x450/0x450 [ 295.754462] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 295.759028] ? debug_smp_processor_id+0x17/0x20 [ 295.763678] ? rcu_is_watching+0x69/0x180 [ 295.767805] ? __lock_is_held+0xb5/0x140 [ 295.771874] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 295.776446] ? has_ns_capability_noaudit+0x164/0x250 [ 295.781539] ? has_capability+0x20/0x20 [ 295.785492] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 295.790060] ? oom_unkillable_task+0x2e4/0x480 [ 295.794624] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 295.799623] ? has_capability_noaudit+0x12/0x20 [ 295.804276] ? oom_badness+0x5de/0x930 [ 295.808145] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 295.812716] ? find_lock_task_mm+0x430/0x430 [ 295.817117] ? find_held_lock+0x36/0x1c0 [ 295.821169] ? out_of_memory+0xa05/0x10f0 [ 295.825299] ? lock_downgrade+0x900/0x900 [ 295.829429] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 295.833993] ? debug_smp_processor_id+0x17/0x20 [ 295.838641] ? rcu_is_watching+0x69/0x180 [ 295.842773] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 295.847341] ? oom_evaluate_task+0x296/0x450 [ 295.851733] out_of_memory+0x739/0x10f0 [ 295.855700] ? oom_killer_disable+0x2d0/0x2d0 [ 295.860183] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 295.865095] ? __lock_is_held+0xb5/0x140 [ 295.869145] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 295.873634] __alloc_pages_slowpath+0x2387/0x2e80 [ 295.878472] ? warn_alloc+0x120/0x120 [ 295.882255] ? lock_downgrade+0x900/0x900 [ 295.886387] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 295.890962] ? debug_smp_processor_id+0x17/0x20 [ 295.895611] ? rcu_is_watching+0x69/0x180 [ 295.899746] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 295.904326] ? find_get_entry+0x217/0xa40 [ 295.908454] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 295.913486] ? __lock_is_held+0xb5/0x140 [ 295.917606] ? debug_check_no_locks_freed+0x310/0x310 [ 295.922780] ? lock_release+0x9b0/0x9b0 [ 295.926738] ? check_same_owner+0x330/0x330 [ 295.931049] ? debug_smp_processor_id+0x17/0x20 [ 295.935704] ? rcu_is_watching+0x69/0x180 [ 295.939840] ? __might_sleep+0x95/0x190 [ 295.943800] __alloc_pages_nodemask+0xaae/0xe10 [ 295.948456] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 295.953459] ? find_get_pages_contig+0x12e0/0x12e0 [ 295.958370] ? read_cache_pages+0x960/0x960 [ 295.962672] ? lock_downgrade+0x900/0x900 [ 295.966804] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 295.971803] ? add_to_page_cache_lru+0x283/0x6c0 [ 295.976547] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 295.981546] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 295.986552] ? find_held_lock+0x36/0x1c0 [ 295.990605] alloc_pages_current+0xd6/0x1b0 [ 295.994910] __page_cache_alloc+0x2d8/0x570 [ 295.999217] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 296.003783] ? debug_smp_processor_id+0x17/0x20 [ 296.008452] ? rcu_is_watching+0x69/0x180 [ 296.012594] ? __filemap_set_wb_err+0x320/0x320 [ 296.017241] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 296.021807] ? filemap_fault+0x142f/0x1c50 [ 296.026026] filemap_fault+0x1087/0x1c50 [ 296.030089] ? __lock_page_or_retry+0x450/0x450 [ 296.034740] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 296.039312] ? filemap_map_pages+0x907/0x16e0 [ 296.043793] ? __lock_acquire+0x72e/0x4c60 [ 296.048016] ? find_get_pages_range_tag+0x1020/0x1020 [ 296.053200] ? debug_check_no_locks_freed+0x310/0x310 [ 296.058373] ? check_same_owner+0x330/0x330 [ 296.062693] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 296.067699] ? retint_kernel+0x2d/0x2d [ 296.071574] ? print_usage_bug+0xc0/0xc0 [ 296.075614] ? print_usage_bug+0xc0/0xc0 [ 296.079656] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 296.084686] ? lock_acquire+0x1ed/0x560 [ 296.088666] ? ext4_filemap_fault+0x75/0xa5 [ 296.092972] ? lock_release+0x9b0/0x9b0 [ 296.096927] ? check_same_owner+0x330/0x330 [ 296.101232] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 296.106231] ? ext4_filemap_fault+0x88/0xa5 [ 296.110551] ? down_read+0x99/0x160 [ 296.114161] ? ext4_filemap_fault+0x75/0xa5 [ 296.118465] ? __down_interruptible+0x700/0x700 [ 296.123122] ext4_filemap_fault+0x7d/0xa5 [ 296.127267] __do_fault+0xe8/0x3d0 [ 296.130789] ? lock_release+0x9b0/0x9b0 [ 296.134763] ? pmd_devmap_trans_unstable+0x130/0x130 [ 296.139859] ? __lock_is_held+0xb5/0x140 [ 296.143903] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 296.148471] ? add_mm_counter_fast+0xc0/0xc0 [ 296.152860] ? add_mm_counter_fast+0xc0/0xc0 [ 296.157255] __handle_mm_fault+0x2294/0x4230 [ 296.161652] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 296.166385] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 296.171406] ? handle_mm_fault+0x35c/0xa00 [ 296.175620] ? lock_downgrade+0x900/0x900 [ 296.179796] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 296.184361] ? debug_smp_processor_id+0x17/0x20 [ 296.189012] ? rcu_is_watching+0x69/0x180 [ 296.193144] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 296.197719] ? handle_mm_fault+0x6d3/0xa00 [ 296.201941] handle_mm_fault+0x415/0xa00 [ 296.205986] ? __handle_mm_fault+0x4230/0x4230 [ 296.210562] __do_page_fault+0x493/0xb80 [ 296.214608] ? mm_fault_error+0x2a0/0x2a0 [ 296.218739] ? kernel_write+0x130/0x130 [ 296.222705] ? do_syscall_64+0xb8/0x980 [ 296.226659] do_page_fault+0xe1/0x6f4 [ 296.230440] ? vmalloc_sync_all+0x20/0x20 [ 296.234570] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 296.239569] ? syscall_return_slowpath+0x4e0/0x4e0 [ 296.244488] ? retint_user+0x18/0x18 [ 296.248194] ? page_fault+0x2f/0x50 [ 296.251806] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 296.256630] ? page_fault+0x2f/0x50 [ 296.260246] page_fault+0x45/0x50 [ 296.263678] RIP: 0033:0x441d3f [ 296.266849] RSP: 002b:000000c4200b7e48 EFLAGS: 00010202 [ 296.272191] RAX: 0000000000000002 RBX: 0000000000000000 RCX: 000000c420058f00 [ 296.279439] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 000000c4200b7f01 [ 296.286705] RBP: 000000c4200b7fa8 R08: 000000c420058f00 R09: 0000000000000000 [ 296.293956] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 [ 296.301210] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000029 [ 296.317345] Mem-Info: [ 296.320466] active_anon:4290 inactive_anon:193 isolated_anon:0 [ 296.320466] active_file:135 inactive_file:261 isolated_file:32 [ 296.320466] unevictable:0 dirty:12 writeback:4 unstable:0 [ 296.320466] slab_reclaimable:11687 slab_unreclaimable:1506484 [ 296.320466] mapped:223 shmem:241 pagetables:429 bounce:0 [ 296.320466] free:24270 free_pcp:63 free_cma:0 [ 296.360519] Node 0 active_anon:17160kB inactive_anon:772kB active_file:376kB inactive_file:856kB unevictable:0kB isolated(anon):0kB isolated(file):132kB mapped:992kB dirty:48kB writeback:16kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 296.388215] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 296.414690] lowmem_reserve[]: 0 2833 6339 6339 [ 296.419408] Node 0 DMA32 free:43888kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 296.449881] lowmem_reserve[]: 0 0 3505 3505 [ 296.455322] Node 0 Normal free:37080kB min:37280kB low:46600kB high:55920kB active_anon:17168kB inactive_anon:772kB active_file:264kB inactive_file:284kB unevictable:0kB writepending:8kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:6976kB pagetables:1716kB bounce:0kB free_pcp:384kB local_pcp:208kB free_cma:0kB [ 296.526562] lowmem_reserve[]: 0 0 0 0 [ 296.530679] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 296.549739] Node 0 DMA32: 4*4kB (UME) 10*8kB (UM) 27*16kB (UME) 75*32kB (UME) 62*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 43888kB [ 296.567356] Node 0 Normal: 574*4kB (MEH) 642*8kB (MEH) 315*16kB (UMEH) 120*32kB (MEH) 91*64kB (UMEH) 44*128kB (UMH) 36*256kB (ME) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 37496kB [ 296.585205] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 296.594734] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 296.604274] 404 total pagecache pages [ 296.608083] 0 pages in swap cache [ 296.611999] Swap cache stats: add 0, delete 0, find 0/0 [ 296.617368] Free swap = 0kB [ 296.620436] Total swap = 0kB [ 296.623452] 1965979 pages RAM [ 296.626553] 0 pages HighMem/MovableOnly [ 296.630609] 338422 pages reserved [ 296.634061] 0 pages cma reserved [ 296.637424] Unreclaimable slab info: [ 296.641291] Name Used Total [ 296.646843] pid_2 111KB 156KB [ 296.652335] TIPC 10KB 14KB [ 296.657714] SCTPv6 14KB 16KB [ 296.663342] DCCPv6 17KB 21KB [ 296.670091] DCCP 15KB 20KB [ 296.675476] bridge_fdb_cache 11KB 15KB [ 296.686846] fib6_nodes 77KB 96KB [ 296.706468] ip6_dst_cache 357KB 630KB [ 296.713695] RAWv6 68KB 71KB [ 296.749894] UDPv6 3KB 3KB [ 296.758019] TCPv6 11KB 11KB [ 296.764770] sd_ext_cdb 0KB 3KB [ 296.770625] scsi_sense_cache 1216KB 1216KB [ 296.776415] virtio_scsi_cmd 16KB 16KB [ 296.783089] sgpool-128 10KB 10KB [ 296.788455] sgpool-64 23KB 23KB [ 296.793891] sgpool-32 4688KB 4688KB [ 296.799251] sgpool-16 1211KB 1211KB [ 296.804659] sgpool-8 2955KB 2955KB [ 296.810053] cfq_io_cq 30KB 35KB [ 296.815404] cfq_queue 53KB 73KB [ 296.820767] mqueue_inode_cache 10KB 21KB [ 296.826211] bio-2 14KB 19KB [ 296.831593] jfs_mp 7KB 7KB [ 296.836940] nfs_commit_data 3KB 7KB [ 296.842338] nfs_write_data 34KB 37KB [ 296.847689] ext4_system_zone 0KB 3KB [ 296.853078] bio-1 1KB 3KB [ 296.858418] pid_namespace 1KB 7KB [ 296.863801] rpc_buffers 17KB 19KB [ 296.869137] rpc_tasks 2KB 3KB [ 296.874539] UNIX 8KB 14KB [ 296.879904] tcp_bind_bucket 1KB 4KB [ 296.887795] ip_fib_trie 11KB 15KB [ 296.893904] ip_fib_alias 52KB 63KB [ 296.899810] ip_dst_cache 1KB 8KB [ 296.906763] RAW 40KB 50KB [ 296.913230] UDP 15KB 23KB [ 296.920433] TCP 55KB 55KB [ 296.925803] hugetlbfs_inode_cache 2KB 7KB [ 296.931620] fscache_cookie_jar 0KB 7KB [ 296.937066] eventpoll_pwq 31KB 51KB [ 296.942452] eventpoll_epi 58KB 94KB [ 296.947791] inotify_inode_mark 56KB 86KB [ 296.953236] request_queue 129KB 137KB [ 296.958575] blkdev_requests 1KB 3KB [ 296.963932] blkdev_ioc 40KB 42KB [ 296.969282] bio-0 4402KB 4402KB [ 296.974640] biovec-(1<<(21-12)) 3522KB 3522KB [ 296.980175] biovec-64 4299KB 4299KB [ 296.985513] biovec-16 1012KB 1012KB [ 296.990878] bio_integrity_payload 1KB 8KB [ 296.996562] khugepaged_mm_slot 0KB 3KB [ 297.002019] dmaengine-unmap-256 2KB 6KB [ 297.007537] dmaengine-unmap-128 1KB 3KB [ 297.013094] dmaengine-unmap-16 0KB 4KB [ 297.018518] dmaengine-unmap-2 0KB 3KB [ 297.023892] skbuff_fclone_cache 4KB 11KB [ 297.029405] skbuff_head_cache 564KB 1125KB [ 297.046178] configfs_dir_cache 0KB 4KB [ 297.051697] file_lock_cache 0KB 3KB [ 297.057054] file_lock_ctx 0KB 3KB [ 297.062542] fsnotify_mark_connector 32KB 51KB [ 297.068421] net_namespace 41KB 41KB [ 297.073851] shmem_inode_cache 5677KB 5890KB [ 297.079212] task_delay_info 88KB 343KB [ 297.084628] taskstats 129KB 160KB [ 297.089972] sigqueue 64KB 271KB [ 297.095387] kernfs_node_cache 10990KB 10993KB [ 297.100787] mnt_cache 5163KB 5556KB [ 297.106157] filp 3580KB 5032KB [ 297.111557] names_cache 87766KB 87766KB [ 297.116920] iint_cache 35KB 63KB [ 297.122337] key_jar 3KB 7KB [ 297.127689] nsproxy 51KB 71KB [ 297.133055] vm_area_struct 6265KB 9258KB [ 297.138396] mm_struct 954KB 1742KB [ 297.143769] fs_cache 77KB 320KB [ 297.149112] files_cache 285KB 532KB [ 297.154496] signal_cache 681KB 1293KB [ 297.159859] sighand_cache 469KB 520KB [ 297.167324] task_struct 2976KB 3031KB [ 297.173353] cred_jar 560KB 1660KB [ 297.179195] anon_vma_chain 3933KB 5772KB [ 297.185278] anon_vma 186KB 342KB [ 297.191241] pid 60KB 280KB [ 297.197095] Acpi-Operand 107KB 178KB [ 297.203040] Acpi-Namespace 19KB 23KB [ 297.209041] numa_policy 0KB 3KB [ 297.214877] debug_objects_cache 896KB 1021KB [ 297.220953] trace_event_file 247KB 251KB [ 297.226913] ftrace_event_field 353KB 354KB [ 297.232421] pool_workqueue 80KB 84KB [ 297.237869] task_group 4KB 7KB [ 297.243268] page->ptl 1081KB 2822KB [ 297.248659] kmalloc-4194304 5640192KB 5640192KB [ 297.254065] kmalloc-2097152 2050KB 2050KB [ 297.259432] kmalloc-524288 1028KB 1028KB [ 297.264835] kmalloc-262144 1290KB 1290KB [ 297.270253] kmalloc-131072 650KB 650KB [ 297.275613] kmalloc-65536 264KB 264KB [ 297.281008] kmalloc-32768 1254KB 1254KB [ 297.286365] kmalloc-16384 379KB 379KB [ 297.291756] kmalloc-8192 1782KB 1782KB [ 297.297120] kmalloc-4096 16753KB 16791KB [ 297.302493] kmalloc-2048 28037KB 28037KB [ 297.307840] kmalloc-1024 5866KB 6914KB [ 297.313225] kmalloc-512 3030KB 4406KB [ 297.318581] kmalloc-256 3113KB 3495KB [ 297.323970] kmalloc-128 1356KB 1504KB [ 297.329325] kmalloc-96 2944KB 3556KB [ 297.334819] kmalloc-64 1979KB 2156KB [ 297.341348] kmalloc-32 2587KB 3110KB [ 297.346733] kmalloc-192 853KB 920KB [ 297.352148] kmem_cache 202KB 202KB [ 297.357511] Out of memory: Kill process 26545 (syz-executor0) score 999 or sacrifice child [ 297.366007] Killed process 26545 (syz-executor0) total-vm:37704kB, anon-rss:84kB, file-rss:0kB, shmem-rss:0kB [ 297.729050] kworker/u4:0 invoked oom-killer: gfp_mask=0x14040d0(GFP_KERNEL|__GFP_COMP|__GFP_RECLAIMABLE), nodemask=(null), order=0, oom_score_adj=0 [ 297.808377] kworker/u4:0 cpuset=/ mems_allowed=0 [ 297.823243] CPU: 1 PID: 5 Comm: kworker/u4:0 Not tainted 4.16.0-rc7+ #1 [ 297.830016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 297.839372] Workqueue: writeback wb_workfn (flush-8:0) [ 297.844650] Call Trace: [ 297.847230] dump_stack+0x153/0x201 [ 297.850856] ? arch_local_irq_restore+0x43/0x43 [ 297.855516] dump_header+0x281/0xddc [ 297.859218] ? debug_check_no_locks_freed+0x310/0x310 [ 297.864385] ? oom_reaper.cold.28+0x28/0x28 [ 297.868687] ? print_usage_bug+0xc0/0xc0 [ 297.872738] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 297.877737] ? debug_check_no_locks_freed+0x310/0x310 [ 297.882914] ? print_usage_bug+0xc0/0xc0 [ 297.886955] ? ___ratelimit+0x2dd/0x648 [ 297.890907] ? lock_downgrade+0x900/0x900 [ 297.895044] ? lock_release+0x9b0/0x9b0 [ 297.898995] ? mark_held_locks+0xc7/0x130 [ 297.903121] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 297.908198] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 297.913204] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 297.918282] ? ___ratelimit+0x2dd/0x648 [ 297.922245] ? idr_get_free+0x1550/0x1550 [ 297.926370] ? find_held_lock+0x13f/0x1c0 [ 297.930509] oom_kill_process.cold.29+0xb/0x1013 [ 297.935259] ? has_ns_capability_noaudit+0x147/0x250 [ 297.940352] ? lock_downgrade+0x900/0x900 [ 297.944485] ? oom_evaluate_task+0x450/0x450 [ 297.948880] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 297.953441] ? debug_smp_processor_id+0x17/0x20 [ 297.958084] ? rcu_is_watching+0x69/0x180 [ 297.962205] ? __lock_is_held+0xb5/0x140 [ 297.966241] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 297.970803] ? has_ns_capability_noaudit+0x164/0x250 [ 297.975880] ? has_capability+0x20/0x20 [ 297.979828] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 297.984386] ? oom_unkillable_task+0x2e4/0x480 [ 297.988944] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 297.993993] ? has_capability_noaudit+0x12/0x20 [ 297.998664] ? oom_badness+0x5de/0x930 [ 298.002565] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 298.007158] ? find_lock_task_mm+0x430/0x430 [ 298.011560] ? find_held_lock+0x36/0x1c0 [ 298.015645] ? out_of_memory+0xa05/0x10f0 [ 298.019827] ? lock_downgrade+0x900/0x900 [ 298.023968] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 298.028546] ? debug_smp_processor_id+0x17/0x20 [ 298.033194] ? rcu_is_watching+0x69/0x180 [ 298.037321] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 298.041879] ? oom_evaluate_task+0x296/0x450 [ 298.046263] out_of_memory+0x739/0x10f0 [ 298.050215] ? oom_killer_disable+0x2d0/0x2d0 [ 298.054686] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 298.059587] ? __lock_is_held+0xb5/0x140 [ 298.063635] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 298.068108] __alloc_pages_slowpath+0x2387/0x2e80 [ 298.072949] ? warn_alloc+0x120/0x120 [ 298.076726] ? warn_alloc+0x120/0x120 [ 298.080502] ? print_usage_bug+0xc0/0xc0 [ 298.084542] ? warn_alloc+0x120/0x120 [ 298.088317] ? print_usage_bug+0xc0/0xc0 [ 298.092360] ? print_usage_bug+0xc0/0xc0 [ 298.096402] ? __lock_acquire+0x72e/0x4c60 [ 298.100635] ? __lock_is_held+0xb5/0x140 [ 298.104686] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 298.109677] ? lock_release+0x9b0/0x9b0 [ 298.113630] ? check_same_owner+0x330/0x330 [ 298.117923] ? print_usage_bug+0xc0/0xc0 [ 298.121972] ? __might_sleep+0x95/0x190 [ 298.125948] __alloc_pages_nodemask+0xaae/0xe10 [ 298.130593] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 298.135587] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 298.140580] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 298.145578] ? print_usage_bug+0xc0/0xc0 [ 298.149629] ? find_held_lock+0x36/0x1c0 [ 298.153671] ? mark_held_locks+0xc7/0x130 [ 298.157808] ? cache_grow_begin+0x53d/0x720 [ 298.162106] cache_grow_begin+0x81/0x720 [ 298.166144] fallback_alloc+0x203/0x2c0 [ 298.170109] ____cache_alloc_node+0x1c7/0x1e0 [ 298.174585] kmem_cache_alloc+0x1f8/0x790 [ 298.178718] ? lock_acquire+0x1ed/0x560 [ 298.182683] ext4_init_io_end+0x8b/0x220 [ 298.186732] ? ext4_end_io_rsv_work+0xae0/0xae0 [ 298.191375] ? __lock_is_held+0xb5/0x140 [ 298.195424] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 298.199998] ext4_writepages+0x1358/0x3a90 [ 298.204226] ? print_usage_bug+0xc0/0xc0 [ 298.208267] ? virtscsi_kick_cmd+0xaa/0x100 [ 298.212571] ? ext4_mark_inode_dirty+0xaf0/0xaf0 [ 298.217305] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 298.222386] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 298.227377] ? vp_notify+0x55/0x80 [ 298.230892] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 298.235890] ? virtscsi_kick_cmd+0xcf/0x100 [ 298.240190] ? virtscsi_queuecommand+0x8cd/0xf40 [ 298.244922] ? print_usage_bug+0xc0/0xc0 [ 298.248969] ? __lock_is_held+0xb5/0x140 [ 298.253015] ? print_usage_bug+0xc0/0xc0 [ 298.257058] ? __lock_acquire+0x72e/0x4c60 [ 298.261272] ? mark_held_locks+0xc7/0x130 [ 298.265407] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 298.270433] ? print_usage_bug+0xc0/0xc0 [ 298.274479] do_writepages+0x74/0x130 [ 298.278253] ? ext4_mark_inode_dirty+0xaf0/0xaf0 [ 298.282982] ? do_writepages+0x74/0x130 [ 298.286937] __writeback_single_inode+0x1b0/0x1290 [ 298.291844] ? __mark_inode_dirty+0x12c0/0x12c0 [ 298.296488] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 298.301479] ? debug_check_no_locks_freed+0x310/0x310 [ 298.306646] ? cfq_add_rq_rb+0x1b7/0x490 [ 298.310694] ? find_held_lock+0x36/0x1c0 [ 298.314743] ? wbc_attach_and_unlock_inode+0x4cc/0x930 [ 298.319995] ? lock_downgrade+0x900/0x900 [ 298.324127] ? lock_downgrade+0x900/0x900 [ 298.328263] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 298.332824] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 298.337383] ? _raw_spin_unlock+0x2c/0x50 [ 298.341507] ? wbc_attach_and_unlock_inode+0x4cc/0x930 [ 298.346769] ? __writeback_single_inode+0x1290/0x1290 [ 298.351949] writeback_sb_inodes+0x639/0x1420 [ 298.356448] ? wbc_detach_inode+0xa90/0xa90 [ 298.360744] ? lock_release+0x9b0/0x9b0 [ 298.364706] ? down_read_trylock+0xde/0x180 [ 298.369022] ? trylock_super+0x16/0xc0 [ 298.372885] ? downgrade_write+0x160/0x160 [ 298.377099] ? move_expired_inodes+0xdc0/0xdc0 [ 298.381666] __writeback_inodes_wb+0x190/0x2e0 [ 298.386223] ? writeback_sb_inodes+0x1420/0x1420 [ 298.390951] ? __lock_is_held+0xb5/0x140 [ 298.394993] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 298.399570] wb_writeback+0x82a/0xd50 [ 298.403365] ? writeback_inodes_wb.constprop.47+0x310/0x310 [ 298.409048] ? check_noncircular+0x20/0x20 [ 298.413274] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 298.418263] ? string+0x1a4/0x330 [ 298.421693] ? update_load_avg+0x2de/0x2500 [ 298.425987] ? format_decode+0x402/0x740 [ 298.430040] ? widen_string+0x1e0/0x1e0 [ 298.434028] ? print_usage_bug+0xc0/0xc0 [ 298.438072] ? cpumask_next+0x21/0x30 [ 298.441851] ? cpumask_next+0x21/0x30 [ 298.445634] ? get_nr_dirty_inodes+0x94/0x120 [ 298.450139] ? lock_downgrade+0x900/0x900 [ 298.454276] ? get_nr_dirty_pages+0x150/0x1d0 [ 298.458744] ? inode_sleep_on_writeback+0x220/0x220 [ 298.463739] ? __local_bh_enable_ip+0x160/0x240 [ 298.468386] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 298.473374] ? wb_workfn+0x49b/0x1650 [ 298.477149] ? trace_hardirqs_on+0xd/0x10 [ 298.481292] wb_workfn+0x68f/0x1650 [ 298.484927] ? inode_wait_for_writeback+0x30/0x30 [ 298.489776] ? debug_check_no_locks_freed+0x310/0x310 [ 298.494940] ? debug_check_no_locks_freed+0x310/0x310 [ 298.500107] ? debug_smp_processor_id+0x17/0x20 [ 298.504752] ? rcu_is_watching+0x69/0x180 [ 298.508914] ? __lock_is_held+0xb5/0x140 [ 298.512951] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 298.517529] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 298.522545] ? __lock_is_held+0xb5/0x140 [ 298.526587] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 298.531577] ? debug_object_deactivate+0x2eb/0x450 [ 298.536497] ? lock_downgrade+0x900/0x900 [ 298.540628] ? find_held_lock+0x36/0x1c0 [ 298.544662] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 298.549663] ? lock_acquire+0x1ed/0x560 [ 298.553610] ? process_one_work+0x972/0x19e0 [ 298.558009] ? __lock_is_held+0xb5/0x140 [ 298.562048] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 298.566620] process_one_work+0xa31/0x19e0 [ 298.570843] ? debug_check_no_locks_freed+0x310/0x310 [ 298.576005] ? finish_task_switch+0x1f4/0x890 [ 298.580479] ? pwq_dec_nr_in_flight+0x520/0x520 [ 298.585133] ? lock_repin_lock+0x430/0x430 [ 298.589362] ? __schedule+0x863/0x2000 [ 298.593239] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 298.598235] ? lock_downgrade+0x900/0x900 [ 298.602384] ? wait_woken+0x280/0x280 [ 298.606162] ? lock_downgrade+0x900/0x900 [ 298.610296] ? find_held_lock+0x36/0x1c0 [ 298.614351] ? lock_acquire+0x1ed/0x560 [ 298.618308] ? worker_thread+0x45d/0x1910 [ 298.622430] ? lock_downgrade+0x900/0x900 [ 298.626556] ? lock_release+0x9b0/0x9b0 [ 298.630514] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 298.635090] ? _raw_spin_unlock_irq+0x27/0x80 [ 298.639561] worker_thread+0x217/0x1910 [ 298.643522] ? finish_task_switch+0x1f4/0x890 [ 298.648002] ? process_one_work+0x19e0/0x19e0 [ 298.652477] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 298.657469] ? finish_task_switch+0x1f4/0x890 [ 298.661940] ? finish_task_switch+0x1b5/0x890 [ 298.666413] ? copy_overflow+0x20/0x20 [ 298.670284] ? lock_repin_lock+0x430/0x430 [ 298.674510] ? __schedule+0x863/0x2000 [ 298.678379] ? pci_mmcfg_check_reserved+0x120/0x120 [ 298.683369] ? find_held_lock+0x36/0x1c0 [ 298.687411] ? find_held_lock+0x36/0x1c0 [ 298.691471] ? __schedule+0x2000/0x2000 [ 298.695422] ? preempt_schedule_common+0x1f/0xd0 [ 298.700166] ? preempt_schedule+0x4d/0x60 [ 298.704290] ? ___preempt_schedule+0x16/0x18 [ 298.708678] ? _raw_spin_unlock_irqrestore+0xbb/0xd0 [ 298.713762] kthread+0x319/0x3e0 [ 298.717116] ? process_one_work+0x19e0/0x19e0 [ 298.721585] ? kthread_bind+0x30/0x30 [ 298.725370] ret_from_fork+0x3a/0x50 [ 298.819327] Mem-Info: [ 298.823155] active_anon:4292 inactive_anon:193 isolated_anon:0 [ 298.823155] active_file:65 inactive_file:353 isolated_file:0 [ 298.823155] unevictable:0 dirty:6 writeback:0 unstable:0 [ 298.823155] slab_reclaimable:11719 slab_unreclaimable:1506055 [ 298.823155] mapped:139 shmem:241 pagetables:431 bounce:0 [ 298.823155] free:24867 free_pcp:205 free_cma:0 [ 298.866173] Node 0 active_anon:17168kB inactive_anon:772kB active_file:560kB inactive_file:1088kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:556kB dirty:24kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 298.898031] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 298.934405] lowmem_reserve[]: 0 2833 6339 6339 [ 298.940119] Node 0 DMA32 free:43904kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 298.971321] lowmem_reserve[]: 0 0 3505 3505 [ 298.979161] Node 0 Normal free:40020kB min:37280kB low:46600kB high:55920kB active_anon:17168kB inactive_anon:772kB active_file:904kB inactive_file:1688kB unevictable:0kB writepending:24kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:6976kB pagetables:1724kB bounce:0kB free_pcp:792kB local_pcp:564kB free_cma:0kB [ 299.012576] lowmem_reserve[]: 0 0 0 0 [ 299.018716] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 299.054726] Node 0 DMA32: 4*4kB (UME) 13*8kB (UM) 27*16kB (UME) 75*32kB (UME) 62*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 43912kB [ 299.072109] Node 0 Normal: 112*4kB (MEH) 1045*8kB (UMEH) 342*16kB (UMEH) 148*32kB (UMEH) 89*64kB (UMEH) 44*128kB (UMH) 36*256kB (ME) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 40072kB [ 299.089630] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 299.114797] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 299.124465] 1078 total pagecache pages [ 299.129136] 0 pages in swap cache [ 299.133296] Swap cache stats: add 0, delete 0, find 0/0 [ 299.138829] Free swap = 0kB [ 299.142036] Total swap = 0kB [ 299.145234] 1965979 pages RAM [ 299.148514] 0 pages HighMem/MovableOnly [ 299.152745] 338422 pages reserved [ 299.156401] 0 pages cma reserved [ 299.160024] Unreclaimable slab info: [ 299.166350] Name Used Total [ 299.175356] pid_2 111KB 156KB [ 299.181073] TIPC 10KB 14KB [ 299.188063] SCTPv6 14KB 16KB [ 299.193465] DCCPv6 17KB 21KB [ 299.198900] DCCP 15KB 20KB [ 299.206805] bridge_fdb_cache 11KB 15KB [ 299.212624] fib6_nodes 77KB 96KB [ 299.218004] ip6_dst_cache 353KB 630KB [ 299.228598] RAWv6 68KB 71KB [ 299.239721] UDPv6 3KB 3KB [ 299.272421] TCPv6 11KB 11KB [ 299.279191] sd_ext_cdb 0KB 3KB [ 299.316757] scsi_sense_cache 1288KB 1288KB [ 299.330450] virtio_scsi_cmd 16KB 16KB [ 299.336259] sgpool-128 10KB 10KB [ 299.361790] sgpool-64 23KB 23KB [ 299.375225] sgpool-32 5128KB 5128KB [ 299.419043] sgpool-16 1312KB 1312KB [ 299.440614] sgpool-8 3138KB 3138KB [ 299.498386] cfq_io_cq 30KB 35KB [ 299.518674] cfq_queue 53KB 73KB [ 299.536654] mqueue_inode_cache 10KB 21KB [ 299.553495] bio-2 14KB 19KB [ 299.568576] jfs_mp 7KB 7KB [ 299.589277] nfs_commit_data 3KB 7KB [ 299.600493] nfs_write_data 34KB 37KB [ 299.610895] ext4_system_zone 0KB 3KB [ 299.619030] bio-1 1KB 3KB [ 299.641324] pid_namespace 1KB 7KB [ 299.646941] rpc_buffers 17KB 19KB [ 299.652997] rpc_tasks 2KB 3KB [ 299.658485] UNIX 8KB 14KB [ 299.664352] tcp_bind_bucket 1KB 4KB [ 299.669913] ip_fib_trie 11KB 15KB [ 299.675465] ip_fib_alias 52KB 63KB [ 299.681113] ip_dst_cache 1KB 8KB [ 299.686585] RAW 40KB 50KB [ 299.692129] UDP 15KB 23KB [ 299.697714] TCP 55KB 55KB [ 299.703304] hugetlbfs_inode_cache 2KB 7KB [ 299.709158] fscache_cookie_jar 0KB 7KB [ 299.714761] eventpoll_pwq 30KB 51KB [ 299.720322] eventpoll_epi 56KB 94KB [ 299.725842] inotify_inode_mark 56KB 86KB [ 299.740932] request_queue 129KB 137KB [ 299.762650] blkdev_requests 1KB 3KB [ 299.768196] blkdev_ioc 40KB 42KB [ 299.773944] bio-0 4766KB 4766KB [ 299.785455] biovec-(1<<(21-12)) 3795KB 3795KB [ 299.794929] biovec-64 4654KB 4654KB [ 299.810300] biovec-16 1102KB 1102KB [ 299.816051] bio_integrity_payload 1KB 8KB [ 299.821872] khugepaged_mm_slot 0KB 3KB [ 299.827437] dmaengine-unmap-256 2KB 6KB [ 299.833043] dmaengine-unmap-128 1KB 3KB [ 299.838580] dmaengine-unmap-16 0KB 4KB [ 299.849174] dmaengine-unmap-2 0KB 3KB [ 299.854602] skbuff_fclone_cache 4KB 11KB [ 299.863229] skbuff_head_cache 550KB 1117KB [ 299.870818] configfs_dir_cache 0KB 4KB [ 299.876270] file_lock_cache 0KB 3KB [ 299.951226] file_lock_ctx 0KB 3KB [ 299.980608] fsnotify_mark_connector 32KB 51KB [ 300.044147] net_namespace 41KB 41KB [ 300.049526] shmem_inode_cache 5651KB 5863KB [ 300.088775] task_delay_info 87KB 343KB [ 300.138796] taskstats 125KB 160KB [ 300.165232] sigqueue 62KB 263KB [ 300.190470] kernfs_node_cache 10990KB 10993KB [ 300.197546] mnt_cache 5109KB 5536KB [ 300.226621] filp 3485KB 5006KB [ 300.240056] names_cache 85225KB 85246KB [ 300.245605] iint_cache 32KB 63KB [ 300.259201] key_jar 3KB 7KB [ 300.264638] nsproxy 56KB 71KB [ 300.270007] vm_area_struct 6070KB 9211KB [ 300.286420] mm_struct 946KB 1742KB [ 300.306662] fs_cache 75KB 320KB [ 300.314663] files_cache 275KB 528KB [ 300.330104] signal_cache 672KB 1286KB [ 300.335487] sighand_cache 464KB 506KB [ 300.353268] task_struct 2939KB 2982KB [ 300.371238] cred_jar 549KB 1652KB [ 300.376609] anon_vma_chain 3802KB 5740KB [ 300.383166] anon_vma 186KB 342KB [ 300.389514] pid 59KB 280KB [ 300.410625] Acpi-Operand 107KB 178KB [ 300.426763] Acpi-Namespace 19KB 23KB [ 300.435939] numa_policy 0KB 3KB [ 300.449826] debug_objects_cache 896KB 1021KB [ 300.455459] trace_event_file 247KB 251KB [ 300.460910] ftrace_event_field 353KB 354KB [ 300.466361] pool_workqueue 80KB 84KB [ 300.471946] task_group 4KB 7KB [ 300.477315] page->ptl 1056KB 2814KB [ 300.483026] kmalloc-4194304 5640192KB 5640192KB [ 300.488392] kmalloc-2097152 2050KB 2050KB [ 300.493796] kmalloc-524288 1028KB 1028KB [ 300.499158] kmalloc-262144 1290KB 1290KB [ 300.504574] kmalloc-131072 650KB 650KB [ 300.509914] kmalloc-65536 264KB 264KB [ 300.515320] kmalloc-32768 1254KB 1254KB [ 300.520727] kmalloc-16384 379KB 379KB [ 300.526089] kmalloc-8192 1782KB 1782KB [ 300.532511] kmalloc-4096 16430KB 16451KB [ 300.537896] kmalloc-2048 29216KB 29216KB [ 300.549252] kmalloc-1024 5826KB 6914KB [ 300.554698] kmalloc-512 2969KB 4402KB [ 300.565605] kmalloc-256 3099KB 3495KB [ 300.591416] kmalloc-128 1338KB 1504KB [ 300.609213] kmalloc-96 2929KB 3556KB [ 300.627518] kmalloc-64 1979KB 2156KB [ 300.632943] kmalloc-32 2565KB 3110KB [ 300.639377] kmalloc-192 853KB 920KB [ 300.651139] kmem_cache 202KB 202KB [ 300.658827] Out of memory: Kill process 26552 (syz-executor3) score 999 or sacrifice child [ 300.694954] udevd invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=-1000 [ 300.706645] udevd cpuset=/ mems_allowed=0 [ 300.711707] CPU: 0 PID: 3641 Comm: udevd Not tainted 4.16.0-rc7+ #1 [ 300.718107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 300.727441] Call Trace: [ 300.730002] dump_stack+0x153/0x201 [ 300.733614] ? arch_local_irq_restore+0x43/0x43 [ 300.738272] dump_header+0x281/0xddc [ 300.741968] ? debug_check_no_locks_freed+0x310/0x310 [ 300.747130] ? oom_reaper.cold.28+0x28/0x28 [ 300.751435] ? print_usage_bug+0xc0/0xc0 [ 300.755484] ? __lock_acquire+0x72e/0x4c60 [ 300.759742] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 300.764742] ? debug_check_no_locks_freed+0x310/0x310 [ 300.769909] ? print_usage_bug+0xc0/0xc0 [ 300.773947] ? ___ratelimit+0x2dd/0x648 [ 300.777893] ? lock_downgrade+0x900/0x900 [ 300.782014] ? lock_release+0x9b0/0x9b0 [ 300.785963] ? mark_held_locks+0xc7/0x130 [ 300.790093] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 300.795208] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 300.800242] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 300.805346] ? ___ratelimit+0x2dd/0x648 [ 300.809290] ? idr_get_free+0x1550/0x1550 [ 300.813420] ? find_held_lock+0x13f/0x1c0 [ 300.817566] oom_kill_process.cold.29+0xb/0x1013 [ 300.822334] ? has_ns_capability_noaudit+0x147/0x250 [ 300.827433] ? lock_downgrade+0x900/0x900 [ 300.831572] ? oom_evaluate_task+0x450/0x450 [ 300.835952] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 300.840515] ? debug_smp_processor_id+0x17/0x20 [ 300.845186] ? rcu_is_watching+0x69/0x180 [ 300.849341] ? __lock_is_held+0xb5/0x140 [ 300.853386] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 300.857944] ? has_ns_capability_noaudit+0x164/0x250 [ 300.863021] ? has_capability+0x20/0x20 [ 300.866967] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 300.871524] ? oom_unkillable_task+0x2e4/0x480 [ 300.876102] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 300.881132] ? has_capability_noaudit+0x12/0x20 [ 300.885786] ? oom_badness+0x5de/0x930 [ 300.889641] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 300.894195] ? find_lock_task_mm+0x430/0x430 [ 300.898578] ? find_held_lock+0x36/0x1c0 [ 300.902626] ? out_of_memory+0xa05/0x10f0 [ 300.906763] ? lock_downgrade+0x900/0x900 [ 300.910912] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 300.915488] ? debug_smp_processor_id+0x17/0x20 [ 300.920136] ? rcu_is_watching+0x69/0x180 [ 300.924256] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 300.928814] ? oom_evaluate_task+0x296/0x450 [ 300.933210] out_of_memory+0x739/0x10f0 [ 300.937191] ? oom_killer_disable+0x2d0/0x2d0 [ 300.941687] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 300.946603] ? rcu_pm_notify+0xc0/0xc0 [ 300.950467] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 300.954941] __alloc_pages_slowpath+0x2387/0x2e80 [ 300.959778] ? warn_alloc+0x120/0x120 [ 300.963561] ? __lock_is_held+0xb5/0x140 [ 300.967618] ? print_usage_bug+0xc0/0xc0 [ 300.971663] ? warn_alloc+0x120/0x120 [ 300.986043] ? print_usage_bug+0xc0/0xc0 [ 300.990086] ? print_usage_bug+0xc0/0xc0 [ 300.994149] ? __lock_acquire+0x72e/0x4c60 [ 300.998393] ? find_held_lock+0x36/0x1c0 [ 301.002446] ? lock_release+0x9b0/0x9b0 [ 301.006396] ? check_same_owner+0x330/0x330 [ 301.010705] ? __lock_acquire+0x72e/0x4c60 [ 301.014916] ? __might_sleep+0x95/0x190 [ 301.018865] __alloc_pages_nodemask+0xaae/0xe10 [ 301.023517] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 301.028526] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 301.033545] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 301.038541] ? find_held_lock+0x36/0x1c0 [ 301.042580] ? ____cache_alloc_node+0x1c7/0x1e0 [ 301.047219] ? lock_downgrade+0x900/0x900 [ 301.051354] ? cache_grow_begin+0x53d/0x720 [ 301.055669] cache_grow_begin+0x81/0x720 [ 301.059731] fallback_alloc+0x203/0x2c0 [ 301.063692] ____cache_alloc_node+0x1c7/0x1e0 [ 301.068160] kmem_cache_alloc+0x1f8/0x790 [ 301.072282] ? find_held_lock+0x36/0x1c0 [ 301.076317] getname_flags+0xb8/0x520 [ 301.080096] user_path_at_empty+0x1e/0x40 [ 301.084233] vfs_statx+0xbe/0x150 [ 301.087688] ? handle_mm_fault+0x415/0xa00 [ 301.091925] ? vfs_statx_fd+0x90/0x90 [ 301.095708] ? __handle_mm_fault+0x4230/0x4230 [ 301.100267] SYSC_newstat+0x85/0xe0 [ 301.103865] ? cp_new_stat+0xa40/0xa40 [ 301.107730] ? mm_fault_error+0x2a0/0x2a0 [ 301.111862] ? do_syscall_64+0xb8/0x980 [ 301.115829] SyS_newstat+0x9/0x10 [ 301.119279] do_syscall_64+0x276/0x980 [ 301.123151] ? vmalloc_sync_all+0x20/0x20 [ 301.127272] ? syscall_slow_exit_work+0x420/0x420 [ 301.132090] ? syscall_return_slowpath+0x4e0/0x4e0 [ 301.137016] ? syscall_return_slowpath+0x215/0x4e0 [ 301.141932] ? retint_user+0x18/0x18 [ 301.145635] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 301.150471] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 301.155657] RIP: 0033:0x7ffadfd88c65 [ 301.159343] RSP: 002b:00007ffceea35ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 301.167025] RAX: ffffffffffffffda RBX: 0000000000f519e8 RCX: 00007ffadfd88c65 [ 301.174276] RDX: 00007ffceea35b40 RSI: 00007ffceea35b40 RDI: 00007ffceea35fd0 [ 301.181532] RBP: 0000000000f4ee00 R08: 00007ffceea363d0 R09: 00007ffceea35ff0 [ 301.188787] R10: 7269762f73656369 R11: 0000000000000246 R12: 0000000000f42e10 [ 301.196061] R13: 0000000000625500 R14: 0000000000f3d250 R15: 0000000000f42e10 [ 301.210970] Mem-Info: [ 301.213398] active_anon:4313 inactive_anon:190 isolated_anon:0 [ 301.213398] active_file:12 inactive_file:26 isolated_file:0 [ 301.213398] unevictable:0 dirty:0 writeback:1 unstable:0 [ 301.213398] slab_reclaimable:11728 slab_unreclaimable:1506124 [ 301.213398] mapped:2 shmem:241 pagetables:437 bounce:0 [ 301.213398] free:24645 free_pcp:20 free_cma:0 [ 301.276634] Node 0 active_anon:17252kB inactive_anon:760kB active_file:240kB inactive_file:396kB unevictable:0kB isolated(anon):0kB isolated(file):168kB mapped:408kB dirty:0kB writeback:4kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 301.304005] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 301.330302] lowmem_reserve[]: 0 2833 6339 6339 [ 301.334901] Node 0 DMA32 free:43928kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 301.362140] lowmem_reserve[]: 0 0 3505 3505 [ 301.366481] Node 0 Normal free:38212kB min:37280kB low:46600kB high:55920kB active_anon:17252kB inactive_anon:760kB active_file:552kB inactive_file:1068kB unevictable:0kB writepending:4kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7008kB pagetables:1748kB bounce:0kB free_pcp:400kB local_pcp:0kB free_cma:0kB [ 301.403916] lowmem_reserve[]: 0 0 0 0 [ 301.407737] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 301.421405] Node 0 DMA32: 4*4kB (UME) 17*8kB (UM) 27*16kB (UME) 75*32kB (UME) 62*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 43944kB [ 301.438372] Node 0 Normal: 368*4kB (MEH) 834*8kB (UMEH) 314*16kB (UMEH) 144*32kB (UMEH) 89*64kB (UMEH) 44*128kB (UMH) 36*256kB (ME) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 38832kB [ 301.454919] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 301.463905] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 301.472514] 412 total pagecache pages [ 301.476315] 0 pages in swap cache [ 301.479747] Swap cache stats: add 0, delete 0, find 0/0 [ 301.485144] Free swap = 0kB [ 301.488149] Total swap = 0kB [ 301.491159] 1965979 pages RAM [ 301.494241] 0 pages HighMem/MovableOnly [ 301.498186] 338422 pages reserved [ 301.501670] 0 pages cma reserved [ 301.505037] Unreclaimable slab info: [ 301.508720] Name Used Total [ 301.514291] pid_2 111KB 156KB [ 301.537246] TIPC 10KB 14KB [ 301.552561] SCTPv6 14KB 16KB [ 301.561863] DCCPv6 17KB 21KB [ 301.583469] DCCP 15KB 20KB [ 301.596304] bridge_fdb_cache 11KB 15KB [ 301.602777] fib6_nodes 77KB 96KB [ 301.608218] ip6_dst_cache 373KB 630KB [ 301.613935] RAWv6 68KB 71KB [ 301.619449] UDPv6 3KB 3KB [ 301.625078] TCPv6 5KB 11KB [ 301.630722] sd_ext_cdb 0KB 3KB [ 301.636211] scsi_sense_cache 1296KB 1296KB [ 301.641639] virtio_scsi_cmd 16KB 16KB [ 301.647006] sgpool-128 10KB 10KB [ 301.652865] sgpool-64 23KB 23KB [ 301.658224] sgpool-32 5513KB 5513KB [ 301.663825] sgpool-16 1406KB 1406KB [ 301.669179] sgpool-8 3247KB 3247KB [ 301.675740] cfq_io_cq 25KB 35KB [ 301.681292] cfq_queue 52KB 73KB [ 301.686766] mqueue_inode_cache 10KB 21KB [ 301.692872] bio-2 14KB 19KB [ 301.698249] jfs_mp 7KB 7KB [ 301.703726] nfs_commit_data 3KB 7KB [ 301.709091] nfs_write_data 34KB 37KB [ 301.724918] ext4_system_zone 0KB 3KB [ 301.731750] bio-1 1KB 3KB [ 301.740128] pid_namespace 1KB 7KB [ 301.747997] rpc_buffers 17KB 19KB [ 301.753430] rpc_tasks 2KB 3KB [ 301.773260] UNIX 8KB 14KB [ 301.782577] tcp_bind_bucket 1KB 4KB [ 301.793002] ip_fib_trie 11KB 15KB [ 301.801611] ip_fib_alias 52KB 63KB [ 301.819628] ip_dst_cache 1KB 8KB [ 301.829502] RAW 40KB 50KB [ 301.835433] UDP 15KB 23KB [ 301.841592] TCP 49KB 55KB [ 301.846962] hugetlbfs_inode_cache 2KB 7KB [ 301.853318] fscache_cookie_jar 0KB 7KB [ 301.858779] eventpoll_pwq 29KB 51KB [ 301.865494] eventpoll_epi 54KB 94KB [ 301.871699] inotify_inode_mark 53KB 86KB [ 301.882766] request_queue 129KB 137KB [ 301.888168] blkdev_requests 1KB 3KB [ 301.893684] blkdev_ioc 38KB 42KB [ 301.899047] bio-0 4965KB 4965KB [ 301.904457] biovec-(1<<(21-12)) 3836KB 3836KB [ 301.909992] biovec-64 4709KB 4709KB [ 301.915394] biovec-16 1155KB 1155KB [ 301.920806] bio_integrity_payload 1KB 8KB [ 301.926524] khugepaged_mm_slot 0KB 3KB [ 301.932134] dmaengine-unmap-256 2KB 6KB [ 301.937685] dmaengine-unmap-128 1KB 3KB [ 301.944015] dmaengine-unmap-16 0KB 4KB [ 301.950087] dmaengine-unmap-2 0KB 3KB [ 301.955455] skbuff_fclone_cache 4KB 11KB [ 301.979522] skbuff_head_cache 550KB 1117KB [ 301.988181] configfs_dir_cache 0KB 4KB [ 301.994367] file_lock_cache 0KB 3KB [ 302.011846] file_lock_ctx 0KB 3KB [ 302.026781] fsnotify_mark_connector 31KB 51KB [ 302.045193] net_namespace 41KB 41KB [ 302.050608] shmem_inode_cache 5638KB 5859KB [ 302.073214] task_delay_info 84KB 336KB [ 302.090335] taskstats 120KB 160KB [ 302.096252] sigqueue 59KB 255KB [ 302.114334] kernfs_node_cache 10990KB 10993KB [ 302.120190] mnt_cache 5082KB 5524KB [ 302.125564] filp 3444KB 4987KB [ 302.143085] names_cache 84770KB 84770KB [ 302.148466] iint_cache 30KB 63KB [ 302.153977] key_jar 3KB 7KB [ 302.159342] nsproxy 56KB 71KB [ 302.164788] vm_area_struct 6023KB 9203KB [ 302.170195] mm_struct 931KB 1734KB [ 302.175560] fs_cache 72KB 312KB [ 302.180979] files_cache 263KB 517KB [ 302.186347] signal_cache 658KB 1286KB [ 302.191750] sighand_cache 490KB 506KB [ 302.197110] task_struct 2889KB 2945KB [ 302.206422] cred_jar 537KB 1652KB [ 302.211837] anon_vma_chain 3770KB 5725KB [ 302.217812] anon_vma 175KB 342KB [ 302.223832] pid 58KB 280KB [ 302.229630] Acpi-Operand 107KB 178KB [ 302.235626] Acpi-Namespace 19KB 23KB [ 302.241476] numa_policy 0KB 3KB [ 302.246980] debug_objects_cache 896KB 1021KB [ 302.252586] trace_event_file 247KB 251KB [ 302.257962] ftrace_event_field 353KB 354KB [ 302.269455] pool_workqueue 80KB 84KB [ 302.279144] task_group 4KB 7KB [ 302.284657] page->ptl 1045KB 2814KB [ 302.290116] kmalloc-4194304 5640192KB 5640192KB [ 302.295480] kmalloc-2097152 2050KB 2050KB [ 302.302742] kmalloc-524288 1028KB 1028KB [ 302.310074] kmalloc-262144 1290KB 1290KB [ 302.315442] kmalloc-131072 650KB 650KB [ 302.322325] kmalloc-65536 264KB 264KB [ 302.330075] kmalloc-32768 1254KB 1254KB [ 302.335443] kmalloc-16384 379KB 379KB [ 302.343162] kmalloc-8192 1782KB 1782KB [ 302.348627] kmalloc-4096 16311KB 16349KB [ 302.354054] kmalloc-2048 29535KB 29535KB [ 302.359417] kmalloc-1024 5812KB 6914KB [ 302.364848] kmalloc-512 2969KB 4402KB [ 302.370292] kmalloc-256 3096KB 3495KB [ 302.379017] kmalloc-128 1334KB 1504KB [ 302.384993] kmalloc-96 2929KB 3556KB [ 302.394448] kmalloc-64 1972KB 2156KB [ 302.399818] kmalloc-32 2553KB 3110KB [ 302.407486] kmalloc-192 853KB 920KB [ 302.413477] kmem_cache 202KB 202KB [ 302.419312] Out of memory: Kill process 26553 (syz-executor0) score 999 or sacrifice child 2019/03/24 16:54:26 executed programs: 4832 [ 305.231321] udevd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 305.299798] udevd cpuset=/ mems_allowed=0 [ 305.305584] CPU: 1 PID: 26579 Comm: udevd Not tainted 4.16.0-rc7+ #1 [ 305.312082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 305.321445] Call Trace: [ 305.324028] dump_stack+0x153/0x201 [ 305.327656] ? arch_local_irq_restore+0x43/0x43 [ 305.332325] ? debug_check_no_locks_freed+0x310/0x310 [ 305.337529] dump_header+0x281/0xddc [ 305.341281] ? oom_reaper.cold.28+0x28/0x28 [ 305.345601] ? print_usage_bug+0xc0/0xc0 [ 305.349674] ? __lock_acquire+0x72e/0x4c60 [ 305.353905] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 305.358935] ? print_usage_bug+0xc0/0xc0 [ 305.362998] ? ___ratelimit+0x2dd/0x648 [ 305.366968] ? lock_downgrade+0x900/0x900 [ 305.371116] ? lock_release+0x9b0/0x9b0 [ 305.375085] ? mark_held_locks+0xc7/0x130 [ 305.379231] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 305.384331] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 305.389364] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 305.394459] ? ___ratelimit+0x2dd/0x648 [ 305.398426] ? idr_get_free+0x1550/0x1550 [ 305.402571] ? find_held_lock+0x13f/0x1c0 [ 305.406715] oom_kill_process.cold.29+0xb/0x1013 [ 305.411471] ? has_ns_capability_noaudit+0x147/0x250 [ 305.416566] ? lock_downgrade+0x900/0x900 [ 305.420714] ? oom_evaluate_task+0x450/0x450 [ 305.425110] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 305.429681] ? debug_smp_processor_id+0x17/0x20 [ 305.434343] ? rcu_is_watching+0x69/0x180 [ 305.438479] ? __lock_is_held+0xb5/0x140 [ 305.442532] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 305.447121] ? has_ns_capability_noaudit+0x164/0x250 [ 305.452218] ? has_capability+0x20/0x20 [ 305.456189] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 305.460765] ? oom_unkillable_task+0x2e4/0x480 [ 305.465341] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 305.470354] ? has_capability_noaudit+0x12/0x20 [ 305.475019] ? oom_badness+0x5de/0x930 [ 305.478900] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 305.483495] ? find_lock_task_mm+0x430/0x430 [ 305.487928] ? find_held_lock+0x36/0x1c0 [ 305.491989] ? out_of_memory+0xa05/0x10f0 [ 305.496133] ? lock_downgrade+0x900/0x900 [ 305.500312] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 305.504889] ? debug_smp_processor_id+0x17/0x20 [ 305.509574] ? rcu_is_watching+0x69/0x180 [ 305.513717] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 305.518303] ? oom_evaluate_task+0x296/0x450 [ 305.522721] out_of_memory+0x739/0x10f0 [ 305.526693] ? oom_killer_disable+0x2d0/0x2d0 [ 305.531183] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 305.536109] ? __lock_is_held+0xb5/0x140 [ 305.540181] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 305.544688] __alloc_pages_slowpath+0x2387/0x2e80 [ 305.549556] ? warn_alloc+0x120/0x120 [ 305.553355] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 305.559066] ? debug_check_no_locks_freed+0x310/0x310 [ 305.564251] ? debug_smp_processor_id+0x17/0x20 [ 305.568914] ? vma_kernel_pagesize+0x170/0x170 [ 305.575752] ? wake_up_page_bit+0x474/0x5f0 [ 305.580085] ? __lock_is_held+0xb5/0x140 [ 305.584159] ? lock_release+0x9b0/0x9b0 [ 305.588122] ? check_same_owner+0x330/0x330 [ 305.592435] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 305.597453] ? __might_sleep+0x95/0x190 [ 305.601424] __alloc_pages_nodemask+0xaae/0xe10 [ 305.606101] ? find_held_lock+0x13f/0x1c0 [ 305.610246] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 305.615255] ? filemap_map_pages+0x8ea/0x16e0 [ 305.619765] ? lock_downgrade+0x900/0x900 [ 305.623913] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 305.628494] ? reuse_swap_page+0x237/0xb70 [ 305.632723] ? swp_swapcount+0x4a0/0x4a0 [ 305.636776] ? __lock_acquire+0x72e/0x4c60 [ 305.641028] ? debug_check_no_locks_freed+0x310/0x310 [ 305.646215] alloc_pages_vma+0xad/0x410 [ 305.650188] wp_page_copy+0x22a/0x1340 [ 305.654072] ? debug_check_no_locks_freed+0x310/0x310 [ 305.659262] ? follow_pfn+0x2b0/0x2b0 [ 305.663580] ? do_wp_page+0x354/0x1630 [ 305.667471] ? lock_downgrade+0x900/0x900 [ 305.671610] ? debug_check_no_locks_freed+0x310/0x310 [ 305.677504] ? wake_up_page_bit+0x5f0/0x5f0 [ 305.681822] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 305.686400] ? __pte_alloc_kernel+0x1c0/0x1c0 [ 305.690918] do_wp_page+0x35c/0x1630 [ 305.694637] ? ext4_filemap_fault+0x88/0xa5 [ 305.698950] ? finish_mkwrite_fault+0x5f0/0x5f0 [ 305.703611] ? debug_check_no_locks_freed+0x310/0x310 [ 305.708794] ? debug_check_no_locks_freed+0x310/0x310 [ 305.713981] ? find_held_lock+0x36/0x1c0 [ 305.718048] ? lock_acquire+0x1ed/0x560 [ 305.722015] ? lock_downgrade+0x900/0x900 [ 305.726158] ? lock_release+0x9b0/0x9b0 [ 305.730131] ? pmd_devmap_trans_unstable+0x130/0x130 [ 305.735227] ? add_mm_counter_fast+0xc0/0xc0 [ 305.739631] __handle_mm_fault+0x20f6/0x4230 [ 305.744037] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 305.748794] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 305.753814] ? handle_mm_fault+0x35c/0xa00 [ 305.758053] ? lock_downgrade+0x900/0x900 [ 305.762197] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 305.766774] ? debug_smp_processor_id+0x17/0x20 [ 305.771440] ? rcu_is_watching+0x69/0x180 [ 305.775576] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 305.780169] ? handle_mm_fault+0x6d3/0xa00 [ 305.784429] handle_mm_fault+0x415/0xa00 [ 305.788483] ? __handle_mm_fault+0x4230/0x4230 [ 305.793069] __do_page_fault+0x493/0xb80 [ 305.797127] ? mm_fault_error+0x2a0/0x2a0 [ 305.801268] ? SyS_umask+0x60/0x60 [ 305.804802] ? do_syscall_64+0xb8/0x980 [ 305.808772] do_page_fault+0xe1/0x6f4 [ 305.812592] ? vmalloc_sync_all+0x20/0x20 [ 305.816896] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 305.821643] ? syscall_return_slowpath+0x4e0/0x4e0 [ 305.826562] ? syscall_return_slowpath+0x215/0x4e0 [ 305.831482] ? prepare_exit_to_usermode+0x300/0x300 [ 305.836492] ? retint_user+0x18/0x18 [ 305.840205] ? page_fault+0x2f/0x50 [ 305.843821] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 305.848658] ? page_fault+0x2f/0x50 [ 305.852278] page_fault+0x45/0x50 [ 305.855721] RIP: 0033:0x7ffae0475a98 [ 305.859432] RSP: 002b:00007ffceea32f90 EFLAGS: 00010206 [ 305.864789] RAX: 0000000000401a69 RBX: 0000000000000001 RCX: 00007ffae068d520 [ 305.872053] RDX: 0000000000001505 RSI: 00007ffae068d1c8 RDI: 0000000000401a69 [ 305.879313] RBP: 00007ffceea330d0 R08: 00007ffae06830a8 R09: 0000000000000001 [ 305.886574] R10: 0000000000000008 R11: 0000000009691a75 R12: 00007ffae06830a8 [ 305.893833] R13: 00007ffceea330f8 R14: 00007ffae068d1c8 R15: 0000000000001505 [ 305.929993] Mem-Info: [ 305.935262] active_anon:4347 inactive_anon:190 isolated_anon:0 [ 305.935262] active_file:11 inactive_file:44 isolated_file:0 [ 305.935262] unevictable:0 dirty:9 writeback:8 unstable:0 [ 305.935262] slab_reclaimable:11832 slab_unreclaimable:1505201 [ 305.935262] mapped:21 shmem:241 pagetables:427 bounce:0 [ 305.935262] free:24204 free_pcp:132 free_cma:0 [ 306.188484] Node 0 active_anon:17484kB inactive_anon:756kB active_file:60kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:124kB dirty:0kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 306.428904] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 306.475725] lowmem_reserve[]: 0 2833 6339 6339 [ 306.504163] Node 0 DMA32 free:44084kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 306.706048] lowmem_reserve[]: 0 0 3505 3505 [ 306.756222] Node 0 Normal free:37036kB min:37280kB low:46600kB high:55920kB active_anon:17484kB inactive_anon:756kB active_file:80kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7296kB pagetables:1980kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 306.973564] lowmem_reserve[]: 0 0 0 0 [ 306.977490] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 307.058056] Node 0 DMA32: 5*4kB (UME) 34*8kB (UM) 27*16kB (UME) 75*32kB (UME) 62*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 44084kB [ 307.077930] Node 0 Normal: 678*4kB (MEH) 605*8kB (UMEH) 314*16kB (UMEH) 123*32kB (UMEH) 86*64kB (UMEH) 44*128kB (UMH) 36*256kB (ME) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 37376kB [ 307.094332] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 307.103203] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 307.111867] 282 total pagecache pages [ 307.115668] 0 pages in swap cache [ 307.119112] Swap cache stats: add 0, delete 0, find 0/0 [ 307.124560] Free swap = 0kB [ 307.127569] Total swap = 0kB [ 307.130601] 1965979 pages RAM [ 307.133702] 0 pages HighMem/MovableOnly [ 307.137820] 338422 pages reserved [ 307.141285] 0 pages cma reserved [ 307.144702] Unreclaimable slab info: [ 307.148601] Name Used Total [ 307.154187] pid_2 108KB 156KB [ 307.159546] TIPC 10KB 14KB [ 307.164908] SCTPv6 14KB 16KB [ 307.220488] DCCPv6 17KB 21KB [ 307.225918] DCCP 15KB 20KB [ 307.294029] bridge_fdb_cache 11KB 15KB [ 307.299432] fib6_nodes 77KB 96KB [ 307.335355] ip6_dst_cache 367KB 630KB [ 307.392398] RAWv6 68KB 71KB [ 307.397802] UDPv6 3KB 3KB [ 307.439864] TCPv6 2KB 11KB [ 307.484917] sd_ext_cdb 0KB 3KB [ 307.528419] scsi_sense_cache 1816KB 1816KB [ 307.578136] virtio_scsi_cmd 16KB 16KB [ 307.601511] sgpool-128 10KB 10KB [ 307.606894] sgpool-64 28KB 31KB [ 307.666418] sgpool-32 7486KB 7486KB [ 307.699298] sgpool-16 1886KB 1886KB [ 307.726149] sgpool-8 4372KB 4372KB [ 307.760922] cfq_io_cq 35KB 35KB [ 307.766290] cfq_queue 60KB 73KB [ 307.867532] mqueue_inode_cache 10KB 21KB [ 307.906057] bio-2 14KB 19KB [ 307.941727] jfs_mp 7KB 7KB [ 307.947131] nfs_commit_data 3KB 7KB [ 307.989938] nfs_write_data 34KB 37KB [ 308.007854] ext4_system_zone 0KB 3KB [ 308.058232] bio-1 1KB 3KB [ 308.090627] pid_namespace 1KB 7KB [ 308.097903] rpc_buffers 17KB 19KB [ 308.137205] rpc_tasks 2KB 3KB [ 308.164663] UNIX 8KB 14KB [ 308.196315] tcp_bind_bucket 1KB 4KB [ 308.224691] ip_fib_trie 11KB 15KB [ 308.240418] ip_fib_alias 52KB 63KB [ 308.245816] ip_dst_cache 1KB 8KB [ 308.338756] RAW 40KB 50KB [ 308.388168] UDP 15KB 23KB [ 308.419583] TCP 28KB 55KB [ 308.457528] hugetlbfs_inode_cache 2KB 7KB [ 308.487768] fscache_cookie_jar 0KB 7KB [ 308.533631] eventpoll_pwq 27KB 51KB [ 308.539022] eventpoll_epi 49KB 94KB [ 308.615386] inotify_inode_mark 46KB 86KB [ 308.642399] request_queue 129KB 137KB [ 308.647835] blkdev_requests 1KB 3KB [ 308.709920] blkdev_ioc 38KB 42KB [ 308.757590] bio-0 6596KB 6596KB [ 308.814842] biovec-(1<<(21-12)) 4306KB 4306KB [ 308.837349] biovec-64 6811KB 6811KB [ 308.872574] biovec-16 1627KB 1627KB [ 308.878028] bio_integrity_payload 1KB 8KB [ 308.918074] khugepaged_mm_slot 0KB 3KB [ 308.993191] dmaengine-unmap-256 2KB 6KB [ 308.998793] dmaengine-unmap-128 1KB 3KB [ 309.068480] dmaengine-unmap-16 0KB 4KB [ 309.113419] dmaengine-unmap-2 0KB 3KB [ 309.118836] skbuff_fclone_cache 8KB 11KB [ 309.193697] skbuff_head_cache 516KB 1087KB [ 309.199086] configfs_dir_cache 0KB 4KB [ 309.307445] file_lock_cache 0KB 3KB [ 309.356828] file_lock_ctx 0KB 3KB [ 309.398705] fsnotify_mark_connector 26KB 51KB [ 309.441305] net_namespace 41KB 41KB [ 309.446678] shmem_inode_cache 5498KB 5832KB [ 309.539963] task_delay_info 80KB 332KB [ 309.569404] taskstats 110KB 160KB [ 309.621339] sigqueue 53KB 244KB [ 309.626721] kernfs_node_cache 10990KB 10993KB [ 309.706886] mnt_cache 4483KB 5360KB [ 309.739751] filp 3011KB 4923KB [ 309.775959] names_cache 74179KB 74217KB [ 309.826534] iint_cache 31KB 63KB [ 309.891541] key_jar 3KB 7KB [ 309.896935] nsproxy 52KB 71KB [ 309.956730] vm_area_struct 5310KB 9029KB [ 309.997860] mm_struct 860KB 1679KB [ 310.034599] fs_cache 66KB 304KB [ 310.039966] files_cache 253KB 502KB [ 310.128842] signal_cache 642KB 1257KB [ 310.165321] sighand_cache 494KB 506KB [ 310.216167] task_struct 2703KB 2759KB [ 310.256955] cred_jar 501KB 1624KB [ 310.299285] anon_vma_chain 3328KB 5654KB [ 310.322136] anon_vma 183KB 342KB [ 310.327505] pid 55KB 276KB [ 310.416380] Acpi-Operand 107KB 178KB [ 310.446785] Acpi-Namespace 19KB 23KB [ 310.493173] numa_policy 0KB 3KB [ 310.498571] debug_objects_cache 896KB 1021KB [ 310.573583] trace_event_file 247KB 251KB [ 310.578964] ftrace_event_field 353KB 354KB [ 310.670849] pool_workqueue 80KB 84KB [ 310.676236] task_group 4KB 7KB [ 310.739988] page->ptl 921KB 2798KB [ 310.745438] kmalloc-4194304 5640192KB 5640192KB [ 310.854433] kmalloc-2097152 2050KB 2050KB [ 310.859826] kmalloc-524288 1028KB 1028KB [ 310.889948] kmalloc-262144 1290KB 1290KB [ 310.946419] kmalloc-131072 650KB 650KB [ 310.969765] kmalloc-65536 264KB 264KB [ 311.031132] kmalloc-32768 1254KB 1254KB [ 311.036769] kmalloc-16384 379KB 379KB [ 311.102348] kmalloc-8192 1782KB 1782KB [ 311.107722] kmalloc-4096 15019KB 15040KB [ 311.178703] kmalloc-2048 38090KB 38090KB [ 311.189647] kmalloc-1024 5466KB 6890KB [ 311.261222] kmalloc-512 2738KB 4342KB [ 311.266597] kmalloc-256 3065KB 3495KB [ 311.374703] kmalloc-128 1264KB 1504KB [ 311.427742] kmalloc-96 2839KB 3556KB [ 311.466520] kmalloc-64 1895KB 2156KB [ 311.504404] kmalloc-32 2366KB 3110KB [ 311.509908] kmalloc-192 847KB 920KB [ 311.588585] kmem_cache 202KB 202KB [ 311.641431] Out of memory: Kill process 26580 (syz-executor5) score 999 or sacrifice child [ 311.650854] Killed process 26580 (syz-executor5) total-vm:37704kB, anon-rss:88kB, file-rss:0kB, shmem-rss:0kB [ 311.767161] syz-executor3 invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=1000 [ 311.960538] syz-executor3 cpuset=syz3 mems_allowed=0 [ 311.965696] CPU: 0 PID: 26581 Comm: syz-executor3 Not tainted 4.16.0-rc7+ #1 [ 311.972868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 311.982212] Call Trace: [ 311.984806] dump_stack+0x153/0x201 [ 311.988434] ? arch_local_irq_restore+0x43/0x43 [ 311.993110] dump_header+0x281/0xddc [ 311.996823] ? debug_check_no_locks_freed+0x310/0x310 [ 312.002008] ? oom_reaper.cold.28+0x28/0x28 [ 312.006328] ? print_usage_bug+0xc0/0xc0 [ 312.010389] ? __lock_acquire+0x72e/0x4c60 [ 312.014621] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 312.019634] ? debug_check_no_locks_freed+0x310/0x310 [ 312.024818] ? print_usage_bug+0xc0/0xc0 [ 312.028878] ? ___ratelimit+0x2dd/0x648 [ 312.032848] ? lock_downgrade+0x900/0x900 [ 312.036988] ? lock_release+0x9b0/0x9b0 [ 312.040958] ? mark_held_locks+0xc7/0x130 [ 312.045096] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 312.050193] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 312.055201] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 312.060299] ? ___ratelimit+0x2dd/0x648 [ 312.064267] ? idr_get_free+0x1550/0x1550 [ 312.068405] ? find_held_lock+0x13f/0x1c0 [ 312.072554] oom_kill_process.cold.29+0xb/0x1013 [ 312.077308] ? has_ns_capability_noaudit+0x147/0x250 [ 312.082406] ? lock_downgrade+0x900/0x900 [ 312.086555] ? oom_evaluate_task+0x450/0x450 [ 312.090964] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 312.095594] ? debug_smp_processor_id+0x17/0x20 [ 312.100256] ? rcu_is_watching+0x69/0x180 [ 312.104429] ? __lock_is_held+0xb5/0x140 [ 312.108478] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 312.113066] ? has_ns_capability_noaudit+0x164/0x250 [ 312.118172] ? has_capability+0x20/0x20 [ 312.122136] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 312.126707] ? oom_unkillable_task+0x2e4/0x480 [ 312.131279] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 312.136290] ? has_capability_noaudit+0x12/0x20 [ 312.140947] ? oom_badness+0x5de/0x930 [ 312.144819] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 312.149405] ? find_lock_task_mm+0x430/0x430 [ 312.153806] ? find_held_lock+0x36/0x1c0 [ 312.157866] ? out_of_memory+0xa05/0x10f0 [ 312.162009] ? lock_downgrade+0x900/0x900 [ 312.166154] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 312.170743] ? debug_smp_processor_id+0x17/0x20 [ 312.175412] ? rcu_is_watching+0x69/0x180 [ 312.179548] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 312.184124] ? oom_evaluate_task+0x296/0x450 [ 312.188526] out_of_memory+0x739/0x10f0 [ 312.192496] ? oom_killer_disable+0x2d0/0x2d0 [ 312.196980] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 312.201899] ? rcu_pm_notify+0xc0/0xc0 [ 312.205781] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 312.210275] __alloc_pages_slowpath+0x2387/0x2e80 [ 312.215131] ? warn_alloc+0x120/0x120 [ 312.218926] ? find_held_lock+0x36/0x1c0 [ 312.222986] ? is_bpf_text_address+0x60/0xe0 [ 312.227379] ? lock_downgrade+0x900/0x900 [ 312.231529] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 312.236099] ? rcu_is_watching+0x69/0x180 [ 312.240228] ? debug_smp_processor_id+0x17/0x20 [ 312.244890] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 312.249469] ? kernel_text_address+0x79/0xf0 [ 312.253865] ? unwind_get_return_address+0x61/0xa0 [ 312.258785] ? find_held_lock+0x36/0x1c0 [ 312.262843] ? lock_release+0x9b0/0x9b0 [ 312.266818] ? check_same_owner+0x330/0x330 [ 312.271136] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 312.276492] ? __might_sleep+0x95/0x190 [ 312.280456] __alloc_pages_nodemask+0xaae/0xe10 [ 312.285124] ? debug_smp_processor_id+0x17/0x20 [ 312.289794] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 312.294812] ? rcu_lockdep_current_cpu_online+0x1ae/0x210 [ 312.300339] ? rcu_is_watching+0x69/0x180 [ 312.304479] ? rcu_pm_notify+0xc0/0xc0 [ 312.308394] ? copy_process.part.37+0x15db/0x4e20 [ 312.313230] ? rcu_read_lock_sched_held+0x108/0x120 [ 312.318239] ? kmem_cache_alloc_node+0x383/0x790 [ 312.322986] ? debug_check_no_locks_freed+0x310/0x310 [ 312.328176] copy_process.part.37+0x40a/0x4e20 [ 312.332767] ? __cleanup_sighand+0x30/0x30 [ 312.336994] ? __lock_acquire+0x72e/0x4c60 [ 312.341228] ? mem_cgroup_update_lru_size+0xd0/0xd0 [ 312.346242] ? __lock_acquire+0x72e/0x4c60 [ 312.350471] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 312.355478] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 312.360499] ? __lru_cache_add+0x242/0x450 [ 312.364720] ? find_held_lock+0x36/0x1c0 [ 312.368778] ? __pagevec_lru_add+0x20/0x20 [ 312.373007] ? percpu_ref_put_many+0x11b/0x250 [ 312.377597] ? lock_downgrade+0x900/0x900 [ 312.381730] ? debug_smp_processor_id+0x17/0x20 [ 312.386402] ? lru_cache_add+0x1a3/0x370 [ 312.390454] ? lru_cache_add_file+0x10/0x10 [ 312.394776] ? refill_stock+0x1e0/0x1e0 [ 312.398754] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 312.403777] ? __mem_cgroup_threshold+0x930/0x930 [ 312.408612] ? mark_held_locks+0xc7/0x130 [ 312.412767] ? find_held_lock+0x36/0x1c0 [ 312.416839] ? __handle_mm_fault+0x192d/0x4230 [ 312.421412] ? lock_downgrade+0x900/0x900 [ 312.425561] ? lock_release+0x9b0/0x9b0 [ 312.429528] ? change_protection+0x6b0/0x1ac0 [ 312.434018] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 312.438591] ? pte_val+0xf0/0xf0 [ 312.441955] ? _raw_spin_unlock+0x2c/0x50 [ 312.446087] ? __handle_mm_fault+0x192d/0x4230 [ 312.450663] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 312.455402] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 312.460403] ? SyS_remap_file_pages.cold.33+0x83/0x83 [ 312.465578] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 312.470601] _do_fork+0x1a3/0xe50 [ 312.474054] ? __do_page_fault+0x4bf/0xb80 [ 312.478281] ? fork_idle+0x280/0x280 [ 312.481990] ? handle_mm_fault+0x415/0xa00 [ 312.486217] ? __handle_mm_fault+0x4230/0x4230 [ 312.490793] ? up_read+0x1a/0x40 [ 312.494159] ? __do_page_fault+0x4bf/0xb80 [ 312.498382] ? do_mprotect_pkey+0x622/0x830 [ 312.502697] ? mm_fault_error+0x2a0/0x2a0 [ 312.506831] ? mprotect_fixup+0x670/0x670 [ 312.510969] ? do_syscall_64+0xb8/0x980 [ 312.514941] SyS_clone+0x14/0x20 [ 312.518294] do_syscall_64+0x276/0x980 [ 312.522166] ? vmalloc_sync_all+0x20/0x20 [ 312.526304] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 312.531069] ? syscall_return_slowpath+0x4e0/0x4e0 [ 312.535987] ? syscall_return_slowpath+0x215/0x4e0 [ 312.540907] ? prepare_exit_to_usermode+0x300/0x300 [ 312.545921] ? retint_user+0x18/0x18 [ 312.549639] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 312.554476] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 312.559653] RIP: 0033:0x45a089 [ 312.562833] RSP: 002b:00007ffe72f48fe8 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 312.570531] RAX: ffffffffffffffda RBX: 00007f3d11577700 RCX: 000000000045a089 [ 312.577785] RDX: 00007f3d115779d0 RSI: 00007f3d11576db0 RDI: 00000000003d0f00 [ 312.585048] RBP: 00007ffe72f491f0 R08: 00007f3d11577700 R09: 00007f3d11577700 [ 312.592311] R10: 00007f3d115779d0 R11: 0000000000000202 R12: 0000000000000000 [ 312.599569] R13: 00007ffe72f4909f R14: 00007f3d115779c0 R15: 0000000000000001 [ 313.469612] Mem-Info: [ 313.566332] active_anon:4359 inactive_anon:189 isolated_anon:0 [ 313.566332] active_file:10 inactive_file:7 isolated_file:0 [ 313.566332] unevictable:0 dirty:0 writeback:0 unstable:0 [ 313.566332] slab_reclaimable:11737 slab_unreclaimable:1505026 [ 313.566332] mapped:27 shmem:241 pagetables:487 bounce:0 [ 313.566332] free:24230 free_pcp:0 free_cma:0 [ 313.798908] Node 0 active_anon:17436kB inactive_anon:756kB active_file:140kB inactive_file:128kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:108kB dirty:0kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 313.995291] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 314.110594] lowmem_reserve[]: 0 2833 6339 6339 [ 314.115226] Node 0 DMA32 free:44084kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 314.142497] lowmem_reserve[]: 0 0 3505 3505 [ 314.146843] Node 0 Normal free:37348kB min:37280kB low:46600kB high:55920kB active_anon:17440kB inactive_anon:756kB active_file:44kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7200kB pagetables:1948kB bounce:0kB free_pcp:220kB local_pcp:0kB free_cma:0kB [ 314.175596] lowmem_reserve[]: 0 0 0 0 [ 314.179412] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 314.193093] Node 0 DMA32: 5*4kB (UME) 34*8kB (UM) 27*16kB (UME) 75*32kB (UME) 62*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 44084kB [ 314.212411] Node 0 Normal: 813*4kB (UMEH) 596*8kB (MEH) 314*16kB (UMEH) 121*32kB (MEH) 77*64kB (UMEH) 44*128kB (UMH) 36*256kB (ME) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 37204kB [ 314.235182] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 314.247460] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 314.256082] 266 total pagecache pages [ 314.259877] 0 pages in swap cache [ 314.263363] Swap cache stats: add 0, delete 0, find 0/0 [ 314.268699] Free swap = 0kB [ 314.271723] Total swap = 0kB [ 314.274735] 1965979 pages RAM [ 314.277824] 0 pages HighMem/MovableOnly [ 314.281821] 338422 pages reserved [ 314.285312] 0 pages cma reserved [ 314.288743] Unreclaimable slab info: [ 314.292458] Name Used Total [ 314.297994] pid_2 102KB 156KB [ 314.303419] TIPC 10KB 14KB [ 314.308796] SCTPv6 14KB 16KB [ 314.314216] DCCPv6 17KB 21KB [ 314.319557] DCCP 15KB 20KB [ 314.325051] bridge_fdb_cache 11KB 15KB [ 314.331264] fib6_nodes 77KB 96KB [ 314.336627] ip6_dst_cache 377KB 630KB [ 314.342339] RAWv6 68KB 71KB [ 314.347698] UDPv6 3KB 3KB [ 314.353703] TCPv6 2KB 5KB [ 314.359077] sd_ext_cdb 0KB 3KB [ 314.365179] scsi_sense_cache 1815KB 1816KB [ 314.371595] virtio_scsi_cmd 16KB 16KB [ 314.376961] sgpool-128 10KB 10KB [ 314.382361] sgpool-64 28KB 31KB [ 314.387711] sgpool-32 7514KB 7514KB [ 314.393078] sgpool-16 1893KB 1893KB [ 314.398412] sgpool-8 4398KB 4398KB [ 314.403796] cfq_io_cq 35KB 35KB [ 314.409166] cfq_queue 56KB 73KB [ 314.414566] mqueue_inode_cache 10KB 21KB [ 314.420057] bio-2 14KB 19KB [ 314.425419] jfs_mp 7KB 7KB [ 314.430830] nfs_commit_data 3KB 7KB [ 314.436183] nfs_write_data 34KB 37KB [ 314.441565] ext4_system_zone 0KB 3KB [ 314.446911] bio-1 1KB 3KB [ 314.452480] pid_namespace 1KB 7KB [ 314.457858] rpc_buffers 17KB 19KB [ 314.463414] rpc_tasks 2KB 3KB [ 314.468771] UNIX 8KB 14KB [ 314.474163] tcp_bind_bucket 1KB 4KB [ 314.479515] ip_fib_trie 11KB 15KB [ 314.486944] ip_fib_alias 52KB 63KB [ 314.492534] ip_dst_cache 1KB 8KB [ 314.497910] RAW 40KB 50KB [ 314.503302] UDP 15KB 23KB [ 314.508654] TCP 23KB 47KB [ 314.514018] hugetlbfs_inode_cache 2KB 7KB [ 314.519704] fscache_cookie_jar 0KB 7KB [ 314.525166] eventpoll_pwq 26KB 51KB [ 314.530543] eventpoll_epi 47KB 94KB [ 314.535881] inotify_inode_mark 45KB 86KB [ 314.541354] request_queue 129KB 137KB [ 314.546695] blkdev_requests 1KB 3KB [ 314.552060] blkdev_ioc 42KB 42KB [ 314.557420] bio-0 6622KB 6622KB [ 314.562804] biovec-(1<<(21-12)) 4306KB 4306KB [ 314.568316] biovec-64 6811KB 6811KB [ 314.573720] biovec-16 1627KB 1627KB [ 314.579099] bio_integrity_payload 1KB 8KB [ 314.584833] khugepaged_mm_slot 0KB 3KB [ 314.590335] dmaengine-unmap-256 2KB 6KB [ 314.595859] dmaengine-unmap-128 1KB 3KB [ 314.606592] dmaengine-unmap-16 0KB 4KB [ 314.612103] dmaengine-unmap-2 0KB 3KB [ 314.617455] skbuff_fclone_cache 6KB 11KB [ 314.623005] skbuff_head_cache 502KB 1076KB [ 314.628354] configfs_dir_cache 0KB 4KB [ 314.633837] file_lock_cache 0KB 3KB [ 314.639207] file_lock_ctx 0KB 3KB [ 314.644602] fsnotify_mark_connector 26KB 51KB [ 314.650501] net_namespace 41KB 41KB [ 314.655839] shmem_inode_cache 5459KB 5812KB [ 314.661228] task_delay_info 78KB 324KB [ 314.666566] taskstats 110KB 160KB [ 314.671922] sigqueue 51KB 236KB [ 314.677259] kernfs_node_cache 10990KB 10993KB [ 314.682615] mnt_cache 4454KB 5336KB [ 314.687959] filp 2976KB 4905KB [ 314.693319] names_cache 74179KB 74209KB [ 314.698655] iint_cache 35KB 63KB [ 314.704029] key_jar 3KB 7KB [ 314.709369] nsproxy 48KB 71KB [ 314.714739] vm_area_struct 5293KB 9010KB [ 314.720694] mm_struct 814KB 1640KB [ 314.726087] fs_cache 64KB 296KB [ 314.731488] files_cache 232KB 480KB [ 314.736824] signal_cache 623KB 1250KB [ 314.742213] sighand_cache 481KB 506KB [ 314.747832] task_struct 2679KB 2734KB [ 314.753218] cred_jar 471KB 1556KB [ 314.758576] anon_vma_chain 3312KB 5634KB [ 314.763968] anon_vma 177KB 342KB [ 314.769317] pid 54KB 276KB [ 314.774700] Acpi-Operand 107KB 178KB [ 314.780082] Acpi-Namespace 19KB 23KB [ 314.785421] numa_policy 0KB 3KB [ 314.790802] debug_objects_cache 896KB 1021KB [ 314.796326] trace_event_file 247KB 251KB [ 314.801688] ftrace_event_field 353KB 354KB [ 314.807110] pool_workqueue 80KB 84KB [ 314.812491] task_group 4KB 7KB [ 314.817842] page->ptl 908KB 2798KB [ 314.823216] kmalloc-4194304 5640192KB 5640192KB [ 314.828562] kmalloc-2097152 2050KB 2050KB [ 314.833942] kmalloc-524288 1028KB 1028KB [ 314.839282] kmalloc-262144 1290KB 1290KB [ 314.844905] kmalloc-131072 650KB 650KB [ 314.850319] kmalloc-65536 264KB 264KB [ 314.855655] kmalloc-32768 1254KB 1254KB [ 314.861031] kmalloc-16384 379KB 379KB [ 314.866377] kmalloc-8192 1782KB 1782KB [ 314.871737] kmalloc-4096 15002KB 15032KB [ 314.877074] kmalloc-2048 38090KB 38090KB [ 314.882454] kmalloc-1024 5466KB 6890KB [ 314.887804] kmalloc-512 2738KB 4342KB [ 314.893164] kmalloc-256 3048KB 3495KB [ 314.898497] kmalloc-128 1237KB 1504KB [ 314.903860] kmalloc-96 2839KB 3556KB [ 314.909198] kmalloc-64 1880KB 2156KB [ 314.914563] kmalloc-32 2360KB 3110KB [ 314.919902] kmalloc-192 839KB 920KB [ 314.925260] kmem_cache 202KB 202KB [ 314.930640] Out of memory: Kill process 26581 (syz-executor3) score 999 or sacrifice child [ 314.939403] Killed process 26581 (syz-executor3) total-vm:37704kB, anon-rss:84kB, file-rss:0kB, shmem-rss:0kB [ 314.949824] oom_reaper: reaped process 26581 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 314.960391] syz-execprog invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 314.972165] syz-execprog cpuset=/ mems_allowed=0 [ 314.976935] CPU: 1 PID: 5557 Comm: syz-execprog Not tainted 4.16.0-rc7+ #1 [ 314.983943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 314.993283] Call Trace: [ 314.995862] dump_stack+0x153/0x201 [ 314.999462] ? arch_local_irq_restore+0x43/0x43 [ 315.004107] ? debug_check_no_locks_freed+0x310/0x310 [ 315.009271] dump_header+0x281/0xddc [ 315.012965] ? oom_reaper.cold.28+0x28/0x28 [ 315.017276] ? print_usage_bug+0xc0/0xc0 [ 315.021326] ? __lock_acquire+0x72e/0x4c60 [ 315.025531] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 315.030524] ? print_usage_bug+0xc0/0xc0 [ 315.034563] ? ___ratelimit+0x2dd/0x648 [ 315.038507] ? lock_downgrade+0x900/0x900 [ 315.042630] ? lock_release+0x9b0/0x9b0 [ 315.046577] ? mark_held_locks+0xc7/0x130 [ 315.050699] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 315.055773] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 315.060765] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 315.065873] ? ___ratelimit+0x2dd/0x648 [ 315.069822] ? idr_get_free+0x1550/0x1550 [ 315.073944] ? find_held_lock+0x13f/0x1c0 [ 315.078067] oom_kill_process.cold.29+0xb/0x1013 [ 315.082801] ? has_ns_capability_noaudit+0x147/0x250 [ 315.087873] ? lock_downgrade+0x900/0x900 [ 315.091996] ? oom_evaluate_task+0x450/0x450 [ 315.096377] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 315.100943] ? debug_smp_processor_id+0x17/0x20 [ 315.105582] ? rcu_is_watching+0x69/0x180 [ 315.109701] ? __lock_is_held+0xb5/0x140 [ 315.113738] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 315.118297] ? has_ns_capability_noaudit+0x164/0x250 [ 315.123371] ? has_capability+0x20/0x20 [ 315.127313] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 315.131866] ? oom_unkillable_task+0x2e4/0x480 [ 315.136418] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 315.141419] ? has_capability_noaudit+0x12/0x20 [ 315.146071] ? oom_badness+0x5de/0x930 [ 315.149927] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 315.154482] ? find_lock_task_mm+0x430/0x430 [ 315.158861] ? find_held_lock+0x36/0x1c0 [ 315.162898] ? out_of_memory+0xa05/0x10f0 [ 315.167016] ? lock_downgrade+0x900/0x900 [ 315.171137] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 315.175689] ? debug_smp_processor_id+0x17/0x20 [ 315.180343] ? rcu_is_watching+0x69/0x180 [ 315.184461] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 315.189014] ? oom_evaluate_task+0x296/0x450 [ 315.193400] out_of_memory+0x739/0x10f0 [ 315.197366] ? oom_killer_disable+0x2d0/0x2d0 [ 315.201835] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 315.206735] ? __lock_is_held+0xb5/0x140 [ 315.210767] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 315.215282] __alloc_pages_slowpath+0x2387/0x2e80 [ 315.220111] ? warn_alloc+0x120/0x120 [ 315.223884] ? lock_downgrade+0x900/0x900 [ 315.228002] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 315.232582] ? debug_smp_processor_id+0x17/0x20 [ 315.237238] ? rcu_is_watching+0x69/0x180 [ 315.241356] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 315.245907] ? rcu_read_lock_sched_held+0x108/0x120 [ 315.251082] ? find_get_entry+0x217/0xa40 [ 315.255199] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 315.260200] ? __lock_is_held+0xb5/0x140 [ 315.264233] ? debug_check_no_locks_freed+0x310/0x310 [ 315.269397] ? lock_release+0x9b0/0x9b0 [ 315.273345] ? check_same_owner+0x330/0x330 [ 315.277658] ? debug_smp_processor_id+0x17/0x20 [ 315.282305] ? rcu_is_watching+0x69/0x180 [ 315.286445] ? __might_sleep+0x95/0x190 [ 315.290430] __alloc_pages_nodemask+0xaae/0xe10 [ 315.295075] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 315.300070] ? find_get_pages_contig+0x12e0/0x12e0 [ 315.304973] ? read_cache_pages+0x960/0x960 [ 315.309268] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 315.314269] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 315.319255] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 315.324246] ? debug_stats_show+0xd0/0xd0 [ 315.328367] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 315.333450] ? find_held_lock+0x36/0x1c0 [ 315.337488] alloc_pages_current+0xd6/0x1b0 [ 315.341787] __page_cache_alloc+0x2d8/0x570 [ 315.346083] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 315.350641] ? debug_smp_processor_id+0x17/0x20 [ 315.355282] ? rcu_is_watching+0x69/0x180 [ 315.359402] ? __filemap_set_wb_err+0x320/0x320 [ 315.364049] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 315.368603] ? filemap_fault+0x142f/0x1c50 [ 315.372843] filemap_fault+0x1087/0x1c50 [ 315.376882] ? __lock_page_or_retry+0x450/0x450 [ 315.381558] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 315.386123] ? filemap_map_pages+0x907/0x16e0 [ 315.390596] ? find_get_pages_range_tag+0x1020/0x1020 [ 315.395762] ? debug_check_no_locks_freed+0x310/0x310 [ 315.400925] ? select_estimate_accuracy+0x440/0x440 [ 315.405912] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 315.410911] ? print_usage_bug+0xc0/0xc0 [ 315.414943] ? print_usage_bug+0xc0/0xc0 [ 315.418978] ? debug_check_no_locks_freed+0x310/0x310 [ 315.424158] ? lock_acquire+0x1ed/0x560 [ 315.428107] ? ext4_filemap_fault+0x75/0xa5 [ 315.432407] ? lock_release+0x9b0/0x9b0 [ 315.436366] ? check_same_owner+0x330/0x330 [ 315.440659] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 315.445650] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 315.450663] ? down_read+0x99/0x160 [ 315.454261] ? ext4_filemap_fault+0x75/0xa5 [ 315.458560] ? __down_interruptible+0x700/0x700 [ 315.463205] ? find_held_lock+0x36/0x1c0 [ 315.467238] ext4_filemap_fault+0x7d/0xa5 [ 315.471365] __do_fault+0xe8/0x3d0 [ 315.474877] ? lock_downgrade+0x900/0x900 [ 315.479000] ? pmd_devmap_trans_unstable+0x130/0x130 [ 315.484075] ? add_mm_counter_fast+0xc0/0xc0 [ 315.488453] ? add_mm_counter_fast+0xc0/0xc0 [ 315.492837] __handle_mm_fault+0x2294/0x4230 [ 315.497221] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 315.501953] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 315.506948] ? handle_mm_fault+0x35c/0xa00 [ 315.511157] ? lock_downgrade+0x900/0x900 [ 315.515283] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 315.519836] ? debug_smp_processor_id+0x17/0x20 [ 315.524480] ? rcu_is_watching+0x69/0x180 [ 315.528602] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 315.533162] ? handle_mm_fault+0x6d3/0xa00 [ 315.537371] handle_mm_fault+0x415/0xa00 [ 315.541407] ? __handle_mm_fault+0x4230/0x4230 [ 315.545987] __do_page_fault+0x493/0xb80 [ 315.550038] ? mm_fault_error+0x2a0/0x2a0 [ 315.554181] ? do_syscall_64+0xb8/0x980 [ 315.558461] do_page_fault+0xe1/0x6f4 [ 315.562236] ? vmalloc_sync_all+0x20/0x20 [ 315.566357] ? syscall_slow_exit_work+0x420/0x420 [ 315.575182] ? syscall_return_slowpath+0x4e0/0x4e0 [ 315.580093] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 315.585427] ? page_fault+0x2f/0x50 [ 315.589023] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 315.593865] ? page_fault+0x2f/0x50 [ 315.597464] page_fault+0x45/0x50 [ 315.600892] RIP: 0033:0x4577a1 [ 315.604052] RSP: 002b:000000c420037f18 EFLAGS: 00010246 [ 315.609399] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 00000000004577a1 [ 315.616640] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 315.623882] RBP: 000000c420037f28 R08: 000000c420037f18 R09: 0000000000000000 [ 315.631140] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000042d030 [ 315.638381] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 315.647381] Mem-Info: [ 315.649808] active_anon:4361 inactive_anon:189 isolated_anon:0 [ 315.649808] active_file:16 inactive_file:20 isolated_file:0 [ 315.649808] unevictable:0 dirty:0 writeback:0 unstable:0 [ 315.649808] slab_reclaimable:11739 slab_unreclaimable:1505004 [ 315.649808] mapped:12 shmem:241 pagetables:488 bounce:0 [ 315.649808] free:24318 free_pcp:70 free_cma:0 [ 315.682948] Node 0 active_anon:17444kB inactive_anon:756kB active_file:64kB inactive_file:80kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48kB dirty:0kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 315.709800] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 315.735986] lowmem_reserve[]: 0 2833 6339 6339 [ 315.740734] Node 0 DMA32 free:44084kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 315.768035] lowmem_reserve[]: 0 0 3505 3505 [ 315.785995] Node 0 Normal free:37280kB min:37280kB low:46600kB high:55920kB active_anon:17376kB inactive_anon:756kB active_file:72kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7168kB pagetables:1920kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 315.939953] lowmem_reserve[]: 0 0 0 0 [ 315.948325] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 316.003457] Node 0 DMA32: 5*4kB (UME) 34*8kB (UM) 27*16kB (UME) 75*32kB (UME) 62*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 44084kB [ 316.098479] Node 0 Normal: 862*4kB (UMEH) 625*8kB (UMEH) 314*16kB (UMEH) 125*32kB (UMEH) 77*64kB (UMEH) 44*128kB (UMH) 36*256kB (ME) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 37760kB [ 316.266610] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 316.331437] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 316.370072] 275 total pagecache pages [ 316.373908] 0 pages in swap cache [ 316.377345] Swap cache stats: add 0, delete 0, find 0/0 [ 316.445661] Free swap = 0kB [ 316.448686] Total swap = 0kB [ 316.482922] 1965979 pages RAM [ 316.486043] 0 pages HighMem/MovableOnly [ 316.504818] 338422 pages reserved [ 316.508268] 0 pages cma reserved [ 316.560064] Unreclaimable slab info: [ 316.563794] Name Used Total [ 316.569339] pid_2 99KB 156KB [ 316.627078] TIPC 10KB 14KB [ 316.668480] SCTPv6 14KB 16KB [ 316.713236] DCCPv6 17KB 21KB [ 316.718609] DCCP 15KB 20KB [ 316.785150] bridge_fdb_cache 11KB 15KB [ 316.819227] fib6_nodes 77KB 96KB [ 316.869884] ip6_dst_cache 377KB 630KB [ 316.893438] RAWv6 68KB 71KB [ 316.898814] UDPv6 3KB 3KB [ 316.972116] TCPv6 2KB 5KB [ 316.977531] sd_ext_cdb 0KB 3KB [ 317.027253] scsi_sense_cache 1814KB 1816KB [ 317.063067] virtio_scsi_cmd 16KB 16KB [ 317.068509] sgpool-128 10KB 10KB [ 317.074745] sgpool-64 28KB 31KB [ 317.092822] sgpool-32 7528KB 7528KB [ 317.098191] sgpool-16 1893KB 1893KB [ 317.121111] sgpool-8 4413KB 4413KB [ 317.126503] cfq_io_cq 31KB 35KB [ 317.135345] cfq_queue 55KB 73KB [ 317.170901] mqueue_inode_cache 10KB 21KB [ 317.176387] bio-2 14KB 19KB [ 317.277144] jfs_mp 7KB 7KB [ 317.318829] nfs_commit_data 3KB 7KB [ 317.371648] nfs_write_data 34KB 37KB [ 317.377064] ext4_system_zone 0KB 3KB [ 317.467913] bio-1 1KB 3KB [ 317.536110] pid_namespace 1KB 7KB [ 317.576598] rpc_buffers 17KB 19KB [ 317.627886] rpc_tasks 2KB 3KB [ 317.674851] UNIX 8KB 14KB [ 317.714524] tcp_bind_bucket 1KB 4KB [ 317.719908] ip_fib_trie 11KB 15KB [ 317.786498] ip_fib_alias 52KB 63KB [ 317.851347] ip_dst_cache 1KB 8KB [ 317.856718] RAW 40KB 50KB [ 317.925051] UDP 15KB 23KB [ 317.958534] TCP 23KB 47KB [ 318.005115] hugetlbfs_inode_cache 2KB 7KB [ 318.019671] fscache_cookie_jar 0KB 7KB [ 318.060177] eventpoll_pwq 25KB 51KB [ 318.065555] eventpoll_epi 47KB 94KB [ 318.136107] inotify_inode_mark 45KB 86KB [ 318.175477] request_queue 129KB 137KB [ 318.227074] blkdev_requests 1KB 3KB [ 318.271206] blkdev_ioc 42KB 42KB [ 318.276584] bio-0 6648KB 6648KB [ 318.363941] biovec-(1<<(21-12)) 4306KB 4306KB [ 318.369511] biovec-64 6811KB 6811KB [ 318.459639] biovec-16 1627KB 1627KB [ 318.480055] bio_integrity_payload 1KB 8KB [ 318.485775] khugepaged_mm_slot 0KB 3KB [ 318.525330] dmaengine-unmap-256 2KB 6KB [ 318.558426] dmaengine-unmap-128 1KB 3KB [ 318.593727] dmaengine-unmap-16 0KB 4KB [ 318.599189] dmaengine-unmap-2 0KB 3KB [ 318.635898] skbuff_fclone_cache 5KB 11KB [ 318.689566] skbuff_head_cache 502KB 1076KB [ 318.715406] configfs_dir_cache 0KB 4KB [ 318.756980] file_lock_cache 0KB 3KB [ 318.792280] file_lock_ctx 0KB 3KB [ 318.797643] fsnotify_mark_connector 26KB 51KB [ 318.875393] net_namespace 41KB 41KB [ 318.923811] shmem_inode_cache 5446KB 5812KB [ 318.929188] task_delay_info 77KB 324KB [ 318.996922] taskstats 109KB 160KB [ 319.028909] sigqueue 50KB 236KB [ 319.103724] kernfs_node_cache 10990KB 10993KB [ 319.109114] mnt_cache 4448KB 5332KB [ 319.199718] filp 2970KB 4905KB [ 319.234457] names_cache 74179KB 74209KB [ 319.239823] iint_cache 35KB 63KB [ 319.297626] key_jar 3KB 7KB [ 319.358665] nsproxy 44KB 71KB [ 319.400568] vm_area_struct 5292KB 9006KB [ 319.405934] mm_struct 806KB 1632KB [ 319.459566] fs_cache 62KB 288KB [ 319.499388] files_cache 231KB 476KB [ 319.570119] signal_cache 609KB 1207KB [ 319.575494] sighand_cache 474KB 506KB [ 319.603165] task_struct 2654KB 2710KB [ 319.608552] cred_jar 459KB 1548KB [ 319.650113] anon_vma_chain 3312KB 5634KB [ 319.655491] anon_vma 171KB 342KB [ 319.727624] pid 53KB 276KB [ 319.757565] Acpi-Operand 107KB 178KB [ 319.762999] Acpi-Namespace 19KB 23KB [ 319.768354] numa_policy 0KB 3KB [ 319.804399] debug_objects_cache 896KB 1021KB [ 319.809935] trace_event_file 247KB 251KB [ 319.866222] ftrace_event_field 353KB 354KB [ 319.910668] pool_workqueue 80KB 84KB [ 319.916031] task_group 4KB 7KB [ 320.028926] page->ptl 908KB 2798KB [ 320.034362] kmalloc-4194304 5640192KB 5640192KB [ 320.039721] kmalloc-2097152 2050KB 2050KB [ 320.101218] kmalloc-524288 1028KB 1028KB [ 320.106605] kmalloc-262144 1290KB 1290KB [ 320.138266] kmalloc-131072 650KB 650KB [ 320.164289] kmalloc-65536 264KB 264KB [ 320.169656] kmalloc-32768 1254KB 1254KB [ 320.243583] kmalloc-16384 379KB 379KB [ 320.248951] kmalloc-8192 1782KB 1782KB [ 320.276749] kmalloc-4096 14998KB 15032KB [ 320.310094] kmalloc-2048 38090KB 38090KB [ 320.315472] kmalloc-1024 5466KB 6890KB [ 320.392615] kmalloc-512 2738KB 4342KB [ 320.397980] kmalloc-256 3041KB 3495KB [ 320.427006] kmalloc-128 1233KB 1504KB [ 320.460881] kmalloc-96 2839KB 3556KB [ 320.466257] kmalloc-64 1877KB 2156KB [ 320.516120] kmalloc-32 2360KB 3110KB [ 320.594864] kmalloc-192 832KB 920KB [ 320.656092] kmem_cache 202KB 202KB [ 320.669040] Out of memory: Kill process 26584 (syz-executor0) score 999 or sacrifice child [ 320.725021] Killed process 26584 (syz-executor0) total-vm:37704kB, anon-rss:84kB, file-rss:0kB, shmem-rss:0kB [ 320.849268] syz-execprog invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 320.946574] syz-execprog cpuset=/ mems_allowed=0 [ 320.977686] CPU: 0 PID: 5557 Comm: syz-execprog Not tainted 4.16.0-rc7+ #1 [ 320.984710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.994060] Call Trace: [ 320.996645] dump_stack+0x153/0x201 [ 321.000282] ? arch_local_irq_restore+0x43/0x43 [ 321.004946] ? debug_check_no_locks_freed+0x310/0x310 [ 321.010143] dump_header+0x281/0xddc [ 321.013853] ? oom_reaper.cold.28+0x28/0x28 [ 321.018152] ? print_usage_bug+0xc0/0xc0 [ 321.022199] ? __lock_acquire+0x72e/0x4c60 [ 321.026433] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 321.031455] ? print_usage_bug+0xc0/0xc0 [ 321.035558] ? ___ratelimit+0x2dd/0x648 [ 321.039526] ? lock_downgrade+0x900/0x900 [ 321.043651] ? lock_release+0x9b0/0x9b0 [ 321.047612] ? mark_held_locks+0xc7/0x130 [ 321.051744] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 321.056871] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 321.061882] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 321.066983] ? ___ratelimit+0x2dd/0x648 [ 321.070937] ? idr_get_free+0x1550/0x1550 [ 321.075068] ? find_held_lock+0x13f/0x1c0 [ 321.079196] oom_kill_process.cold.29+0xb/0x1013 [ 321.083941] ? has_ns_capability_noaudit+0x147/0x250 [ 321.089043] ? lock_downgrade+0x900/0x900 [ 321.093246] ? oom_evaluate_task+0x450/0x450 [ 321.097631] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 321.102191] ? debug_smp_processor_id+0x17/0x20 [ 321.106836] ? rcu_is_watching+0x69/0x180 [ 321.110962] ? __lock_is_held+0xb5/0x140 [ 321.115036] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 321.119635] ? has_ns_capability_noaudit+0x164/0x250 [ 321.124741] ? has_capability+0x20/0x20 [ 321.128718] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 321.133277] ? oom_unkillable_task+0x2e4/0x480 [ 321.137836] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 321.142836] ? has_capability_noaudit+0x12/0x20 [ 321.147519] ? oom_badness+0x5de/0x930 [ 321.151419] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 321.156001] ? find_lock_task_mm+0x430/0x430 [ 321.160405] ? find_held_lock+0x36/0x1c0 [ 321.164441] ? out_of_memory+0xa05/0x10f0 [ 321.168578] ? lock_downgrade+0x900/0x900 [ 321.172713] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 321.177289] ? debug_smp_processor_id+0x17/0x20 [ 321.181946] ? rcu_is_watching+0x69/0x180 [ 321.186080] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 321.190641] ? oom_evaluate_task+0x296/0x450 [ 321.195024] out_of_memory+0x739/0x10f0 [ 321.198979] ? oom_killer_disable+0x2d0/0x2d0 [ 321.203460] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 321.208381] ? __lock_is_held+0xb5/0x140 [ 321.212442] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 321.216914] __alloc_pages_slowpath+0x2387/0x2e80 [ 321.221739] ? warn_alloc+0x120/0x120 [ 321.225525] ? lock_downgrade+0x900/0x900 [ 321.229645] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 321.234218] ? debug_smp_processor_id+0x17/0x20 [ 321.238879] ? rcu_is_watching+0x69/0x180 [ 321.243026] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 321.247585] ? rcu_read_lock_sched_held+0x108/0x120 [ 321.252576] ? find_get_entry+0x217/0xa40 [ 321.256696] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 321.261730] ? __lock_is_held+0xb5/0x140 [ 321.265828] ? debug_check_no_locks_freed+0x310/0x310 [ 321.271008] ? lock_release+0x9b0/0x9b0 [ 321.274974] ? check_same_owner+0x330/0x330 [ 321.279265] ? debug_smp_processor_id+0x17/0x20 [ 321.283910] ? rcu_is_watching+0x69/0x180 [ 321.288059] ? __might_sleep+0x95/0x190 [ 321.292021] __alloc_pages_nodemask+0xaae/0xe10 [ 321.296693] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 321.301703] ? find_get_pages_contig+0x12e0/0x12e0 [ 321.306626] ? read_cache_pages+0x960/0x960 [ 321.310925] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 321.315929] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 321.321012] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 321.326026] ? debug_stats_show+0xd0/0xd0 [ 321.330180] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 321.335273] ? find_held_lock+0x36/0x1c0 [ 321.339313] alloc_pages_current+0xd6/0x1b0 [ 321.343613] __page_cache_alloc+0x2d8/0x570 [ 321.347908] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 321.352473] ? debug_smp_processor_id+0x17/0x20 [ 321.357145] ? rcu_is_watching+0x69/0x180 [ 321.361299] ? __filemap_set_wb_err+0x320/0x320 [ 321.365954] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 321.370523] ? filemap_fault+0x142f/0x1c50 [ 321.374745] filemap_fault+0x1087/0x1c50 [ 321.378791] ? __lock_page_or_retry+0x450/0x450 [ 321.383442] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 321.388032] ? filemap_map_pages+0x907/0x16e0 [ 321.392549] ? find_get_pages_range_tag+0x1020/0x1020 [ 321.397716] ? debug_check_no_locks_freed+0x310/0x310 [ 321.402879] ? select_estimate_accuracy+0x440/0x440 [ 321.407866] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 321.412862] ? print_usage_bug+0xc0/0xc0 [ 321.416915] ? print_usage_bug+0xc0/0xc0 [ 321.420971] ? debug_check_no_locks_freed+0x310/0x310 [ 321.426153] ? lock_acquire+0x1ed/0x560 [ 321.430110] ? ext4_filemap_fault+0x75/0xa5 [ 321.434418] ? lock_release+0x9b0/0x9b0 [ 321.438362] ? check_same_owner+0x330/0x330 [ 321.442664] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 321.447672] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 321.452710] ? down_read+0x99/0x160 [ 321.456314] ? ext4_filemap_fault+0x75/0xa5 [ 321.460617] ? __down_interruptible+0x700/0x700 [ 321.465263] ? find_held_lock+0x36/0x1c0 [ 321.469310] ext4_filemap_fault+0x7d/0xa5 [ 321.473438] __do_fault+0xe8/0x3d0 [ 321.476968] ? lock_downgrade+0x900/0x900 [ 321.481128] ? pmd_devmap_trans_unstable+0x130/0x130 [ 321.486243] ? add_mm_counter_fast+0xc0/0xc0 [ 321.490627] ? add_mm_counter_fast+0xc0/0xc0 [ 321.495024] __handle_mm_fault+0x2294/0x4230 [ 321.499543] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 321.504280] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 321.509295] ? handle_mm_fault+0x35c/0xa00 [ 321.513511] ? lock_downgrade+0x900/0x900 [ 321.517634] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 321.522192] ? debug_smp_processor_id+0x17/0x20 [ 321.526849] ? rcu_is_watching+0x69/0x180 [ 321.530980] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 321.535559] ? handle_mm_fault+0x6d3/0xa00 [ 321.539798] handle_mm_fault+0x415/0xa00 [ 321.543869] ? __handle_mm_fault+0x4230/0x4230 [ 321.548430] __do_page_fault+0x493/0xb80 [ 321.552473] ? mm_fault_error+0x2a0/0x2a0 [ 321.556595] ? do_syscall_64+0xb8/0x980 [ 321.560548] do_page_fault+0xe1/0x6f4 [ 321.564360] ? vmalloc_sync_all+0x20/0x20 [ 321.568517] ? syscall_slow_exit_work+0x420/0x420 [ 321.573344] ? syscall_return_slowpath+0x4e0/0x4e0 [ 321.578650] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 321.583992] ? page_fault+0x2f/0x50 [ 321.587592] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 321.592430] ? page_fault+0x2f/0x50 [ 321.596052] page_fault+0x45/0x50 [ 321.599499] RIP: 0033:0x4577a1 [ 321.602685] RSP: 002b:000000c420037f18 EFLAGS: 00010246 [ 321.608025] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 00000000004577a1 [ 321.615271] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 321.622526] RBP: 000000c420037f28 R08: 000000c420037f18 R09: 0000000000000000 [ 321.629791] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000042d030 [ 321.637052] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 321.644689] Mem-Info: [ 321.659865] active_anon:4328 inactive_anon:189 isolated_anon:0 [ 321.659865] active_file:32 inactive_file:48 isolated_file:0 [ 321.659865] unevictable:0 dirty:0 writeback:0 unstable:0 [ 321.659865] slab_reclaimable:11740 slab_unreclaimable:1504995 [ 321.659865] mapped:4 shmem:241 pagetables:472 bounce:0 [ 321.659865] free:24701 free_pcp:11 free_cma:0 [ 321.705384] Node 0 active_anon:17312kB inactive_anon:756kB active_file:196kB inactive_file:352kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:116kB dirty:0kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 321.736693] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 321.763786] lowmem_reserve[]: 0 2833 6339 6339 [ 321.769202] Node 0 DMA32 free:44084kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 321.796532] lowmem_reserve[]: 0 0 3505 3505 [ 321.800950] Node 0 Normal free:38208kB min:37280kB low:46600kB high:55920kB active_anon:17312kB inactive_anon:756kB active_file:68kB inactive_file:136kB unevictable:0kB writepending:0kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7072kB pagetables:1888kB bounce:0kB free_pcp:116kB local_pcp:0kB free_cma:0kB [ 321.831641] lowmem_reserve[]: 0 0 0 0 [ 321.843514] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 321.889810] Node 0 DMA32: 5*4kB (UME) 34*8kB (UM) 27*16kB (UME) 75*32kB (UME) 62*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 44084kB [ 321.956694] Node 0 Normal: 454*4kB (UMEH) 813*8kB (UMEH) 335*16kB (UMEH) 126*32kB (UMEH) 77*64kB (UMEH) 44*128kB (UMH) 36*256kB (ME) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 38000kB [ 322.063112] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 322.088889] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 322.098340] 552 total pagecache pages [ 322.103591] 0 pages in swap cache [ 322.108471] Swap cache stats: add 0, delete 0, find 0/0 [ 322.117142] Free swap = 0kB [ 322.123447] Total swap = 0kB [ 322.139012] 1965979 pages RAM [ 322.142933] 0 pages HighMem/MovableOnly [ 322.147518] 338422 pages reserved [ 322.158565] 0 pages cma reserved [ 322.168501] Unreclaimable slab info: [ 322.172802] Name Used Total [ 322.178546] pid_2 96KB 156KB [ 322.201789] TIPC 10KB 14KB [ 322.207634] SCTPv6 14KB 16KB [ 322.213232] DCCPv6 17KB 21KB [ 322.218723] DCCP 15KB 20KB [ 322.224279] bridge_fdb_cache 11KB 15KB [ 322.229846] fib6_nodes 77KB 96KB [ 322.236643] ip6_dst_cache 377KB 630KB [ 322.243152] RAWv6 68KB 71KB [ 322.249914] UDPv6 3KB 3KB [ 322.256263] TCPv6 11KB 11KB [ 322.262702] sd_ext_cdb 0KB 3KB [ 322.268668] scsi_sense_cache 1840KB 1840KB 2019/03/24 16:54:45 executed programs: 4839 [ 322.294223] virtio_scsi_cmd 16KB 16KB [ 322.301572] sgpool-128 10KB 10KB [ 322.310973] sgpool-64 28KB 31KB [ 322.317171] sgpool-32 7686KB 7686KB [ 322.346926] sgpool-16 1946KB 1946KB [ 322.370238] sgpool-8 4575KB 4575KB [ 322.379167] cfq_io_cq 29KB 35KB [ 322.385361] cfq_queue 71KB 73KB [ 322.397123] mqueue_inode_cache 10KB 21KB [ 322.404034] bio-2 14KB 19KB [ 322.411514] jfs_mp 7KB 7KB [ 322.417907] nfs_commit_data 3KB 7KB [ 322.424729] nfs_write_data 34KB 37KB [ 322.431880] ext4_system_zone 0KB 3KB [ 322.440446] bio-1 1KB 3KB [ 322.446924] pid_namespace 1KB 7KB [ 322.454706] rpc_buffers 17KB 19KB [ 322.461553] rpc_tasks 2KB 3KB [ 322.467078] UNIX 8KB 14KB [ 322.472825] tcp_bind_bucket 1KB 4KB [ 322.478512] ip_fib_trie 11KB 15KB [ 322.484073] ip_fib_alias 52KB 63KB [ 322.489772] ip_dst_cache 1KB 8KB [ 322.496004] RAW 40KB 50KB [ 322.502007] UDP 15KB 23KB [ 322.508075] TCP 55KB 55KB [ 322.513710] hugetlbfs_inode_cache 2KB 7KB [ 322.519891] fscache_cookie_jar 0KB 7KB [ 322.526031] eventpoll_pwq 25KB 51KB [ 322.531903] eventpoll_epi 49KB 94KB [ 322.537692] inotify_inode_mark 44KB 86KB [ 322.543620] request_queue 129KB 137KB [ 322.549382] blkdev_requests 1KB 3KB [ 322.555568] blkdev_ioc 44KB 46KB [ 322.562049] bio-0 6915KB 6915KB [ 322.567855] biovec-(1<<(21-12)) 4512KB 4512KB [ 322.579796] biovec-64 6993KB 6993KB [ 322.585374] biovec-16 1680KB 1680KB [ 322.591085] bio_integrity_payload 1KB 8KB [ 322.596940] khugepaged_mm_slot 0KB 3KB [ 322.602717] dmaengine-unmap-256 2KB 6KB [ 322.608396] dmaengine-unmap-128 1KB 3KB [ 322.614251] dmaengine-unmap-16 0KB 4KB [ 322.619840] dmaengine-unmap-2 0KB 3KB [ 322.625593] skbuff_fclone_cache 11KB 11KB [ 322.631480] skbuff_head_cache 489KB 1068KB [ 322.637100] configfs_dir_cache 0KB 4KB [ 322.642726] file_lock_cache 0KB 3KB [ 322.648385] file_lock_ctx 0KB 3KB [ 322.654033] fsnotify_mark_connector 26KB 51KB [ 322.660100] net_namespace 41KB 41KB [ 322.665579] shmem_inode_cache 5407KB 5789KB [ 322.671076] task_delay_info 80KB 320KB [ 322.676564] taskstats 109KB 160KB [ 322.682388] sigqueue 62KB 232KB [ 322.687832] kernfs_node_cache 10990KB 10993KB [ 322.693433] mnt_cache 4416KB 5328KB [ 322.698873] filp 2928KB 4871KB [ 322.704399] names_cache 72075KB 72114KB [ 322.709860] iint_cache 36KB 63KB [ 322.715371] key_jar 3KB 7KB [ 322.720852] nsproxy 43KB 71KB [ 322.726298] vm_area_struct 5166KB 8960KB [ 322.731787] mm_struct 759KB 1601KB [ 322.737226] fs_cache 65KB 284KB [ 322.742726] files_cache 245KB 476KB [ 322.748321] signal_cache 599KB 1193KB [ 322.753776] sighand_cache 499KB 506KB [ 322.759143] task_struct 2666KB 2691KB [ 322.764576] cred_jar 450KB 1540KB [ 322.769937] anon_vma_chain 3240KB 5626KB [ 322.775377] anon_vma 185KB 342KB [ 322.780795] pid 55KB 276KB [ 322.786152] Acpi-Operand 107KB 178KB [ 322.791617] Acpi-Namespace 19KB 23KB [ 322.796988] numa_policy 0KB 3KB [ 322.802423] debug_objects_cache 896KB 1021KB [ 322.807969] trace_event_file 247KB 251KB [ 322.813392] ftrace_event_field 353KB 354KB [ 322.818844] pool_workqueue 80KB 84KB [ 322.824287] task_group 4KB 7KB [ 322.829653] page->ptl 908KB 2798KB [ 322.835102] kmalloc-4194304 5640192KB 5640192KB [ 322.840526] kmalloc-2097152 2050KB 2050KB [ 322.846007] kmalloc-524288 1028KB 1028KB [ 322.852160] kmalloc-262144 1290KB 1290KB [ 322.859354] kmalloc-131072 650KB 650KB [ 322.864886] kmalloc-65536 264KB 264KB [ 322.870296] kmalloc-32768 1254KB 1254KB [ 322.875649] kmalloc-16384 379KB 379KB [ 322.881069] kmalloc-8192 1782KB 1782KB [ 322.886431] kmalloc-4096 14649KB 14688KB [ 322.892030] kmalloc-2048 39569KB 39569KB [ 322.897407] kmalloc-1024 5466KB 6890KB [ 322.902821] kmalloc-512 2711KB 4335KB [ 322.908185] kmalloc-256 3020KB 3495KB [ 322.913618] kmalloc-128 1206KB 1504KB [ 322.926405] kmalloc-96 2839KB 3556KB [ 322.950079] kmalloc-64 1865KB 2156KB [ 322.955459] kmalloc-32 2339KB 3110KB [ 322.966171] kmalloc-192 831KB 920KB [ 322.971706] kmem_cache 202KB 202KB [ 322.985026] Out of memory: Kill process 26582 (syz-executor2) score 999 or sacrifice child [ 323.072694] syz-executor1 invoked oom-killer: gfp_mask=0x15080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=0 [ 323.158875] syz-executor1 cpuset=syz1 mems_allowed=0 [ 323.189833] CPU: 0 PID: 23664 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #1 [ 323.197052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 323.206391] Call Trace: [ 323.208967] dump_stack+0x153/0x201 [ 323.212584] ? arch_local_irq_restore+0x43/0x43 [ 323.217244] dump_header+0x281/0xddc [ 323.220949] ? debug_check_no_locks_freed+0x310/0x310 [ 323.226124] ? oom_reaper.cold.28+0x28/0x28 [ 323.230448] ? debug_check_no_locks_freed+0x310/0x310 [ 323.235673] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 323.240677] ? debug_check_no_locks_freed+0x310/0x310 [ 323.245847] ? print_usage_bug+0xc0/0xc0 [ 323.249895] ? debug_check_no_locks_freed+0x310/0x310 [ 323.255071] ? print_usage_bug+0xc0/0xc0 [ 323.259118] ? ___ratelimit+0x2dd/0x648 [ 323.263123] ? lock_downgrade+0x900/0x900 [ 323.267256] ? lock_release+0x9b0/0x9b0 [ 323.271215] ? mark_held_locks+0xc7/0x130 [ 323.275349] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 323.280465] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 323.285469] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 323.290561] ? ___ratelimit+0x2dd/0x648 [ 323.294523] ? idr_get_free+0x1550/0x1550 [ 323.298655] ? find_held_lock+0x13f/0x1c0 [ 323.302796] oom_kill_process.cold.29+0xb/0x1013 [ 323.307535] ? lock_downgrade+0x900/0x900 [ 323.311669] ? lock_release+0x9b0/0x9b0 [ 323.315634] ? find_held_lock+0x36/0x1c0 [ 323.319687] ? oom_evaluate_task+0x450/0x450 [ 323.324083] ? oom_badness+0x1fe/0x930 [ 323.327956] ? lock_downgrade+0x900/0x900 [ 323.332087] ? find_lock_task_mm+0x205/0x430 [ 323.336482] ? task_will_free_mem+0xe40/0xe40 [ 323.340959] ? find_held_lock+0x36/0x1c0 [ 323.345007] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 323.349577] ? oom_unkillable_task+0x2e4/0x480 [ 323.354141] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 323.359142] ? _raw_spin_unlock+0x2c/0x50 [ 323.363277] ? oom_badness+0x1fe/0x930 [ 323.367146] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 323.371713] ? find_lock_task_mm+0x430/0x430 [ 323.376111] ? find_held_lock+0x36/0x1c0 [ 323.380159] ? out_of_memory+0xa05/0x10f0 [ 323.384294] ? lock_downgrade+0x900/0x900 [ 323.388429] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 323.393002] ? debug_smp_processor_id+0x17/0x20 [ 323.397655] ? rcu_is_watching+0x69/0x180 [ 323.401797] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 323.406366] ? oom_evaluate_task+0x296/0x450 [ 323.410763] out_of_memory+0x739/0x10f0 [ 323.414727] ? oom_killer_disable+0x2d0/0x2d0 [ 323.419204] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 323.424119] ? rcu_pm_notify+0xc0/0xc0 [ 323.427992] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 323.432477] __alloc_pages_slowpath+0x2387/0x2e80 [ 323.437321] ? warn_alloc+0x120/0x120 [ 323.441109] ? find_held_lock+0x36/0x1c0 [ 323.445161] ? is_bpf_text_address+0x60/0xe0 [ 323.449554] ? lock_downgrade+0x900/0x900 [ 323.453688] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 323.458255] ? rcu_is_watching+0x69/0x180 [ 323.462385] ? debug_smp_processor_id+0x17/0x20 [ 323.467046] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 323.471622] ? kernel_text_address+0x79/0xf0 [ 323.476019] ? unwind_get_return_address+0x61/0xa0 [ 323.480939] ? find_held_lock+0x36/0x1c0 [ 323.484994] ? lock_release+0x9b0/0x9b0 [ 323.488951] ? check_same_owner+0x330/0x330 [ 323.493257] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 323.498609] ? __might_sleep+0x95/0x190 [ 323.502570] __alloc_pages_nodemask+0xaae/0xe10 [ 323.507225] ? debug_smp_processor_id+0x17/0x20 [ 323.511881] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 323.516890] ? rcu_lockdep_current_cpu_online+0x1ae/0x210 [ 323.522410] ? rcu_is_watching+0x69/0x180 [ 323.526575] ? rcu_pm_notify+0xc0/0xc0 [ 323.530461] ? copy_process.part.37+0x15db/0x4e20 [ 323.535288] ? rcu_read_lock_sched_held+0x108/0x120 [ 323.540289] ? kmem_cache_alloc_node+0x383/0x790 [ 323.545026] ? __account_cfs_rq_runtime+0x600/0x600 [ 323.550073] copy_process.part.37+0x40a/0x4e20 [ 323.554645] ? __lock_acquire+0x72e/0x4c60 [ 323.559310] ? numa_migrate_preferred+0x1e0/0x1e0 [ 323.564142] ? __cleanup_sighand+0x30/0x30 [ 323.568366] ? __lock_acquire+0x72e/0x4c60 [ 323.572677] ? reuse_swap_page+0x237/0xb70 [ 323.576894] ? swp_swapcount+0x4a0/0x4a0 [ 323.580933] ? __lock_acquire+0x72e/0x4c60 [ 323.585157] ? debug_check_no_locks_freed+0x310/0x310 [ 323.590331] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 323.595340] ? compat_start_thread+0x80/0x80 [ 323.599748] ? debug_check_no_locks_freed+0x310/0x310 [ 323.604952] ? find_held_lock+0x36/0x1c0 [ 323.609011] ? print_usage_bug+0xc0/0xc0 [ 323.613059] ? print_usage_bug+0xc0/0xc0 [ 323.617101] ? lock_downgrade+0x900/0x900 [ 323.621231] ? mm_find_pmd+0x2d0/0x2d0 [ 323.625105] ? rcu_read_lock_sched_held+0x108/0x120 [ 323.630135] ? wake_up_page_bit+0x5f0/0x5f0 [ 323.634438] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 323.639008] ? __lock_acquire+0x72e/0x4c60 [ 323.643246] ? _raw_spin_unlock+0x2c/0x50 [ 323.647379] ? do_wp_page+0x9c4/0x1630 [ 323.651255] ? debug_check_no_locks_freed+0x310/0x310 [ 323.656430] ? find_held_lock+0x36/0x1c0 [ 323.660491] ? lock_acquire+0x1ed/0x560 [ 323.664746] ? lock_release+0x9b0/0x9b0 [ 323.668705] ? __lock_is_held+0xb5/0x140 [ 323.673351] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 323.677919] ? add_mm_counter_fast+0xc0/0xc0 [ 323.682312] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 323.687314] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 323.692314] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 323.697054] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 323.702073] ? find_held_lock+0x36/0x1c0 [ 323.706123] ? __might_fault+0xf1/0x1b0 [ 323.710094] _do_fork+0x1a3/0xe50 [ 323.713544] ? check_same_owner+0x330/0x330 [ 323.717848] ? fork_idle+0x280/0x280 [ 323.721555] ? kasan_check_read+0x11/0x20 [ 323.725685] ? _copy_to_user+0x91/0xb0 [ 323.729552] ? put_timespec64+0xf1/0x190 [ 323.733594] ? nsecs_to_jiffies+0x20/0x20 [ 323.737721] ? up_read+0x1a/0x40 [ 323.741074] ? __do_page_fault+0x4bf/0xb80 [ 323.745295] ? SyS_clock_gettime+0x127/0x180 [ 323.749683] ? SyS_clock_settime+0x1d0/0x1d0 [ 323.754075] ? do_syscall_64+0xb8/0x980 [ 323.758035] SyS_clone+0x14/0x20 [ 323.761385] do_syscall_64+0x276/0x980 [ 323.765267] ? vmalloc_sync_all+0x20/0x20 [ 323.769395] ? syscall_slow_exit_work+0x420/0x420 [ 323.774223] ? syscall_return_slowpath+0x4e0/0x4e0 [ 323.779150] ? syscall_return_slowpath+0x215/0x4e0 [ 323.784068] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 323.789418] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 323.794248] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 323.799421] RIP: 0033:0x455c6a [ 323.802596] RSP: 002b:00007ffd3a466ad0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 323.810380] RAX: ffffffffffffffda RBX: 00007ffd3a466ad0 RCX: 0000000000455c6a [ 323.817635] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 323.824902] RBP: 00007ffd3a466b10 R08: 0000000000000001 R09: 0000000002263940 [ 323.832159] R10: 0000000002263c10 R11: 0000000000000246 R12: 0000000000000001 [ 323.839413] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 [ 323.949776] Mem-Info: [ 323.970135] active_anon:4333 inactive_anon:191 isolated_anon:0 [ 323.970135] active_file:21 inactive_file:22 isolated_file:0 [ 323.970135] unevictable:0 dirty:14 writeback:6 unstable:0 [ 323.970135] slab_reclaimable:11801 slab_unreclaimable:1504495 [ 323.970135] mapped:35 shmem:241 pagetables:458 bounce:0 [ 323.970135] free:24220 free_pcp:0 free_cma:0 [ 324.065593] Node 0 active_anon:17332kB inactive_anon:764kB active_file:68kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:140kB dirty:56kB writeback:24kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 324.103711] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 324.136264] lowmem_reserve[]: 0 2833 6339 6339 [ 324.145588] Node 0 DMA32 free:44108kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 324.176564] lowmem_reserve[]: 0 0 3505 3505 [ 324.180967] Node 0 Normal free:36780kB min:37280kB low:46600kB high:55920kB active_anon:17332kB inactive_anon:764kB active_file:24kB inactive_file:132kB unevictable:0kB writepending:12kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7072kB pagetables:1832kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 324.214640] lowmem_reserve[]: 0 0 0 0 [ 324.218461] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 324.260913] Node 0 DMA32: 5*4kB (UME) 37*8kB (UM) 27*16kB (UME) 75*32kB (UME) 62*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 44108kB [ 324.357362] Node 0 Normal: 738*4kB (UMEH) 612*8kB (MEH) 314*16kB (UMEH) 124*32kB (UMEH) 78*64kB (UMEH) 44*128kB (UMH) 36*256kB (ME) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 37192kB [ 324.447312] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 324.539181] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 324.603267] 267 total pagecache pages [ 324.607086] 0 pages in swap cache [ 324.656160] Swap cache stats: add 0, delete 0, find 0/0 [ 324.679396] Free swap = 0kB [ 324.700139] Total swap = 0kB [ 324.703166] 1965979 pages RAM [ 324.706263] 0 pages HighMem/MovableOnly [ 324.733019] 338422 pages reserved [ 324.736472] 0 pages cma reserved [ 324.739828] Unreclaimable slab info: [ 324.810117] Name Used Total [ 324.815715] pid_2 96KB 156KB [ 324.858050] TIPC 10KB 14KB [ 324.901517] SCTPv6 14KB 16KB [ 324.906898] DCCPv6 17KB 21KB [ 324.993529] DCCP 15KB 20KB [ 324.998929] bridge_fdb_cache 11KB 15KB [ 325.030114] fib6_nodes 77KB 96KB [ 325.035492] ip6_dst_cache 376KB 630KB [ 325.081070] RAWv6 68KB 71KB [ 325.086459] UDPv6 3KB 3KB [ 325.138239] TCPv6 16KB 16KB [ 325.157264] sd_ext_cdb 0KB 3KB [ 325.220295] scsi_sense_cache 1912KB 1912KB [ 325.225671] virtio_scsi_cmd 16KB 16KB [ 325.277617] sgpool-128 10KB 10KB [ 325.355647] sgpool-64 28KB 31KB [ 325.387478] sgpool-32 7789KB 7789KB [ 325.415917] sgpool-16 1980KB 1980KB [ 325.463457] sgpool-8 4728KB 4728KB [ 325.468824] cfq_io_cq 35KB 35KB [ 325.508575] cfq_queue 71KB 73KB [ 325.551415] mqueue_inode_cache 10KB 21KB [ 325.557214] bio-2 14KB 19KB [ 325.596964] jfs_mp 7KB 7KB [ 325.649829] nfs_commit_data 3KB 7KB [ 325.658977] nfs_write_data 34KB 37KB [ 325.724819] ext4_system_zone 0KB 3KB [ 325.742631] bio-1 1KB 3KB [ 325.748512] pid_namespace 1KB 7KB [ 325.798689] rpc_buffers 17KB 19KB [ 325.839182] rpc_tasks 2KB 3KB [ 325.865559] UNIX 8KB 14KB [ 325.899356] tcp_bind_bucket 1KB 4KB [ 325.930116] ip_fib_trie 11KB 15KB [ 325.935491] ip_fib_alias 52KB 63KB [ 325.968405] ip_dst_cache 1KB 8KB [ 325.988362] RAW 40KB 50KB [ 326.014420] UDP 15KB 23KB [ 326.019797] TCP 55KB 55KB [ 326.070120] hugetlbfs_inode_cache 2KB 7KB [ 326.075847] fscache_cookie_jar 0KB 7KB [ 326.108292] eventpoll_pwq 25KB 51KB [ 326.149855] eventpoll_epi 49KB 94KB [ 326.185564] inotify_inode_mark 47KB 86KB [ 326.236903] request_queue 129KB 137KB [ 326.257864] blkdev_requests 1KB 3KB [ 326.305181] blkdev_ioc 44KB 46KB [ 326.352215] bio-0 7053KB 7053KB [ 326.357603] biovec-(1<<(21-12)) 4611KB 4611KB [ 326.390072] biovec-64 7087KB 7087KB [ 326.395468] biovec-16 1695KB 1695KB [ 326.421520] bio_integrity_payload 1KB 8KB [ 326.427240] khugepaged_mm_slot 0KB 3KB [ 326.468276] dmaengine-unmap-256 2KB 6KB [ 326.510077] dmaengine-unmap-128 1KB 3KB [ 326.515624] dmaengine-unmap-16 0KB 4KB [ 326.585637] dmaengine-unmap-2 0KB 3KB [ 326.597922] skbuff_fclone_cache 11KB 11KB [ 326.636169] skbuff_head_cache 489KB 1068KB [ 326.658602] configfs_dir_cache 0KB 4KB [ 326.696765] file_lock_cache 0KB 3KB [ 326.745055] file_lock_ctx 0KB 3KB [ 326.788079] fsnotify_mark_connector 28KB 51KB [ 326.823143] net_namespace 41KB 41KB [ 326.828520] shmem_inode_cache 5407KB 5789KB [ 326.912138] task_delay_info 80KB 320KB [ 326.917546] taskstats 107KB 160KB [ 326.990112] sigqueue 62KB 232KB [ 326.995492] kernfs_node_cache 10990KB 10993KB [ 327.044774] mnt_cache 4375KB 5312KB [ 327.085987] filp 2928KB 4871KB [ 327.108286] names_cache 71578KB 71599KB [ 327.158556] iint_cache 43KB 63KB [ 327.202612] key_jar 3KB 7KB [ 327.207983] nsproxy 43KB 71KB [ 327.288836] vm_area_struct 5117KB 8929KB [ 327.335751] mm_struct 759KB 1601KB [ 327.366563] fs_cache 65KB 284KB [ 327.413000] files_cache 245KB 476KB [ 327.418382] signal_cache 599KB 1193KB [ 327.491926] sighand_cache 499KB 506KB [ 327.497320] task_struct 2666KB 2691KB [ 327.577023] cred_jar 450KB 1540KB [ 327.614144] anon_vma_chain 3200KB 5622KB [ 327.619525] anon_vma 185KB 342KB [ 327.662615] pid 55KB 276KB [ 327.668496] Acpi-Operand 107KB 178KB [ 327.705875] Acpi-Namespace 19KB 23KB [ 327.762911] numa_policy 0KB 3KB [ 327.768297] debug_objects_cache 896KB 1021KB [ 327.797082] trace_event_file 247KB 251KB [ 327.858225] ftrace_event_field 353KB 354KB [ 327.909973] pool_workqueue 80KB 84KB [ 327.941019] task_group 4KB 7KB [ 327.946395] page->ptl 903KB 2798KB [ 327.976384] kmalloc-4194304 5640192KB 5640192KB [ 327.990141] kmalloc-2097152 2050KB 2050KB [ 327.995511] kmalloc-524288 1028KB 1028KB [ 328.040823] kmalloc-262144 1290KB 1290KB [ 328.046210] kmalloc-131072 650KB 650KB [ 328.098749] kmalloc-65536 264KB 264KB [ 328.128545] kmalloc-32768 1254KB 1254KB [ 328.155324] kmalloc-16384 379KB 379KB [ 328.185600] kmalloc-8192 1782KB 1782KB [ 328.214970] kmalloc-4096 14598KB 14637KB [ 328.248828] kmalloc-2048 39671KB 39671KB [ 328.299856] kmalloc-1024 5466KB 6890KB [ 328.343706] kmalloc-512 2711KB 4335KB [ 328.349116] kmalloc-256 3020KB 3495KB [ 328.359177] kmalloc-128 1206KB 1504KB [ 328.406596] kmalloc-96 2839KB 3556KB [ 328.447642] kmalloc-64 1865KB 2156KB [ 328.478624] kmalloc-32 2331KB 3110KB [ 328.507884] kmalloc-192 831KB 920KB [ 328.551682] kmem_cache 202KB 202KB [ 328.557059] Out of memory: Kill process 26600 (syz-executor0) score 999 or sacrifice child [ 328.605005] Killed process 26604 (syz-executor0) total-vm:37704kB, anon-rss:112kB, file-rss:0kB, shmem-rss:0kB [ 328.630232] oom_reaper: reaped process 26604 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 328.646381] syz-execprog invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 328.658248] syz-execprog cpuset=/ mems_allowed=0 [ 328.663063] CPU: 0 PID: 5567 Comm: syz-execprog Not tainted 4.16.0-rc7+ #1 [ 328.670065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 328.679410] Call Trace: [ 328.681990] dump_stack+0x153/0x201 [ 328.685617] ? arch_local_irq_restore+0x43/0x43 [ 328.690278] ? debug_check_no_locks_freed+0x310/0x310 [ 328.695478] dump_header+0x281/0xddc [ 328.699181] ? oom_reaper.cold.28+0x28/0x28 [ 328.703492] ? debug_check_no_locks_freed+0x310/0x310 [ 328.708658] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 328.713645] ? debug_check_no_locks_freed+0x310/0x310 [ 328.718807] ? print_usage_bug+0xc0/0xc0 [ 328.722872] ? print_usage_bug+0xc0/0xc0 [ 328.726935] ? ___ratelimit+0x2dd/0x648 [ 328.730882] ? lock_downgrade+0x900/0x900 [ 328.735009] ? lock_release+0x9b0/0x9b0 [ 328.738957] ? mark_held_locks+0xc7/0x130 [ 328.743083] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 328.748172] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 328.753165] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 328.758239] ? ___ratelimit+0x2dd/0x648 [ 328.762188] ? idr_get_free+0x1550/0x1550 [ 328.766306] ? find_held_lock+0x13f/0x1c0 [ 328.770433] oom_kill_process.cold.29+0xb/0x1013 [ 328.775160] ? lock_downgrade+0x900/0x900 [ 328.779278] ? lock_release+0x9b0/0x9b0 [ 328.783225] ? find_held_lock+0x36/0x1c0 [ 328.787259] ? oom_evaluate_task+0x450/0x450 [ 328.791642] ? oom_badness+0x1fe/0x930 [ 328.795502] ? lock_downgrade+0x900/0x900 [ 328.799630] ? find_lock_task_mm+0x205/0x430 [ 328.804013] ? task_will_free_mem+0xe40/0xe40 [ 328.808480] ? find_held_lock+0x36/0x1c0 [ 328.812517] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 328.817116] ? oom_unkillable_task+0x2e4/0x480 [ 328.821676] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 328.826668] ? _raw_spin_unlock+0x2c/0x50 [ 328.830789] ? oom_badness+0x1fe/0x930 [ 328.834656] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 328.839212] ? find_lock_task_mm+0x430/0x430 [ 328.843596] ? find_held_lock+0x36/0x1c0 [ 328.847648] ? out_of_memory+0xa05/0x10f0 [ 328.851787] ? lock_downgrade+0x900/0x900 [ 328.855908] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 328.860464] ? debug_smp_processor_id+0x17/0x20 [ 328.865151] ? rcu_is_watching+0x69/0x180 [ 328.869275] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 328.873834] ? oom_evaluate_task+0x296/0x450 [ 328.878214] out_of_memory+0x739/0x10f0 [ 328.882177] ? oom_killer_disable+0x2d0/0x2d0 [ 328.886644] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 328.891548] ? __lock_is_held+0xb5/0x140 [ 328.895582] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 328.900061] __alloc_pages_slowpath+0x2387/0x2e80 [ 328.904882] ? warn_alloc+0x120/0x120 [ 328.908653] ? lock_downgrade+0x900/0x900 [ 328.912773] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 328.917328] ? debug_smp_processor_id+0x17/0x20 [ 328.921969] ? rcu_is_watching+0x69/0x180 [ 328.926093] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 328.930650] ? find_get_entry+0x217/0xa40 [ 328.934768] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 328.939755] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 328.944321] ? __lock_is_held+0xb5/0x140 [ 328.948356] ? debug_check_no_locks_freed+0x310/0x310 [ 328.953524] ? lock_release+0x9b0/0x9b0 [ 328.957479] ? check_same_owner+0x330/0x330 [ 328.961780] ? debug_smp_processor_id+0x17/0x20 [ 328.966418] ? rcu_is_watching+0x69/0x180 [ 328.970542] ? __might_sleep+0x95/0x190 [ 328.974489] __alloc_pages_nodemask+0xaae/0xe10 [ 328.979127] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 328.984114] ? find_get_pages_contig+0x12e0/0x12e0 [ 328.989012] ? read_cache_pages+0x960/0x960 [ 328.993306] ? lock_downgrade+0x900/0x900 [ 328.997435] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 329.002420] ? add_to_page_cache_lru+0x283/0x6c0 [ 329.007181] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 329.012170] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 329.017156] ? find_held_lock+0x36/0x1c0 [ 329.021203] alloc_pages_current+0xd6/0x1b0 [ 329.025506] __page_cache_alloc+0x2d8/0x570 [ 329.029806] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 329.034361] ? debug_smp_processor_id+0x17/0x20 [ 329.039000] ? rcu_is_watching+0x69/0x180 [ 329.043119] ? __filemap_set_wb_err+0x320/0x320 [ 329.047775] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 329.052341] ? filemap_fault+0x142f/0x1c50 [ 329.056549] filemap_fault+0x1087/0x1c50 [ 329.060584] ? __lock_page_or_retry+0x450/0x450 [ 329.065253] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 329.069812] ? filemap_map_pages+0x907/0x16e0 [ 329.074301] ? find_get_pages_range_tag+0x1020/0x1020 [ 329.079481] ? destroy_hrtimer_on_stack+0x10/0x20 [ 329.084300] ? futex_wait+0x648/0x970 [ 329.088074] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 329.093061] ? print_usage_bug+0xc0/0xc0 [ 329.097092] ? print_usage_bug+0xc0/0xc0 [ 329.101137] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 329.106122] ? print_usage_bug+0xc0/0xc0 [ 329.110170] ? lock_acquire+0x1ed/0x560 [ 329.114126] ? ext4_filemap_fault+0x75/0xa5 [ 329.118421] ? lock_release+0x9b0/0x9b0 [ 329.122379] ? check_same_owner+0x330/0x330 [ 329.126669] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 329.131654] ? ext4_filemap_fault+0x88/0xa5 [ 329.135966] ? down_read+0x99/0x160 [ 329.139559] ? ext4_filemap_fault+0x75/0xa5 [ 329.143867] ? __down_interruptible+0x700/0x700 [ 329.148508] ext4_filemap_fault+0x7d/0xa5 [ 329.152629] __do_fault+0xe8/0x3d0 [ 329.156137] ? __mutex_unlock_slowpath+0x107/0xa60 [ 329.161038] ? pmd_devmap_trans_unstable+0x130/0x130 [ 329.166115] ? add_mm_counter_fast+0xc0/0xc0 [ 329.170495] ? add_mm_counter_fast+0xc0/0xc0 [ 329.174876] __handle_mm_fault+0x2294/0x4230 [ 329.179258] ? retint_kernel+0x2d/0x2d [ 329.183143] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 329.187865] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 329.192857] ? handle_mm_fault+0x35c/0xa00 [ 329.197076] ? lock_downgrade+0x900/0x900 [ 329.201197] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 329.205775] ? debug_smp_processor_id+0x17/0x20 [ 329.210417] ? rcu_is_watching+0x69/0x180 [ 329.214532] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 329.219098] ? handle_mm_fault+0x6d3/0xa00 [ 329.223307] handle_mm_fault+0x415/0xa00 [ 329.227376] ? __handle_mm_fault+0x4230/0x4230 [ 329.231936] __do_page_fault+0x493/0xb80 [ 329.235971] ? mm_fault_error+0x2a0/0x2a0 [ 329.240094] ? kernel_write+0x130/0x130 [ 329.244043] ? do_syscall_64+0xb8/0x980 [ 329.247989] do_page_fault+0xe1/0x6f4 [ 329.251762] ? vmalloc_sync_all+0x20/0x20 [ 329.255882] ? syscall_slow_exit_work+0x420/0x420 [ 329.260695] ? syscall_return_slowpath+0x4e0/0x4e0 [ 329.265592] ? syscall_return_slowpath+0x215/0x4e0 [ 329.270497] ? retint_user+0x18/0x18 [ 329.274181] ? page_fault+0x2f/0x50 [ 329.277779] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.282594] ? page_fault+0x2f/0x50 [ 329.286194] page_fault+0x45/0x50 [ 329.289617] RIP: 0033:0x40e990 [ 329.292823] RSP: 002b:000000c420021ef8 EFLAGS: 00010216 [ 329.298155] RAX: ffffffffffffff92 RBX: 0000000039811a83 RCX: 0000000000457c83 [ 329.305401] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000010577c0 [ 329.312643] RBP: 000000c420021f20 R08: 0000000000000000 R09: 0000000000000000 [ 329.319885] R10: 000000c420021ed8 R11: 0000000000000202 R12: 0000000000000004 [ 329.327129] R13: 000000c420437740 R14: 0000000000000001 R15: 0000000000000000 [ 329.347898] Mem-Info: [ 329.364194] active_anon:4315 inactive_anon:191 isolated_anon:0 [ 329.364194] active_file:13 inactive_file:20 isolated_file:0 [ 329.364194] unevictable:0 dirty:0 writeback:0 unstable:0 [ 329.364194] slab_reclaimable:11805 slab_unreclaimable:1504513 [ 329.364194] mapped:2 shmem:241 pagetables:458 bounce:0 [ 329.364194] free:24175 free_pcp:185 free_cma:0 [ 329.415497] Node 0 active_anon:17260kB inactive_anon:764kB active_file:52kB inactive_file:80kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 329.468627] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 329.497579] lowmem_reserve[]: 0 2833 6339 6339 [ 329.502502] Node 0 DMA32 free:44108kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 329.531128] lowmem_reserve[]: 0 0 3505 3505 [ 329.535486] Node 0 Normal free:38108kB min:37280kB low:46600kB high:55920kB active_anon:17260kB inactive_anon:764kB active_file:152kB inactive_file:208kB unevictable:0kB writepending:0kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7072kB pagetables:1832kB bounce:0kB free_pcp:344kB local_pcp:0kB free_cma:0kB [ 329.564797] lowmem_reserve[]: 0 0 0 0 [ 329.568647] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 329.601055] Node 0 DMA32: 5*4kB (UME) 37*8kB (UM) 27*16kB (UME) 75*32kB (UME) 62*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 44108kB [ 329.627295] Node 0 Normal: 660*4kB (UMH) 869*8kB (UMEH) 313*16kB (MEH) 129*32kB (UMEH) 77*64kB (UMEH) 44*128kB (UMH) 36*256kB (ME) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 39016kB [ 329.658523] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 329.668036] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 329.676913] 412 total pagecache pages [ 329.685563] 0 pages in swap cache [ 329.689088] Swap cache stats: add 0, delete 0, find 0/0 [ 329.695131] Free swap = 0kB [ 329.698824] Total swap = 0kB [ 329.702083] 1965979 pages RAM [ 329.705999] 0 pages HighMem/MovableOnly [ 329.710482] 338422 pages reserved [ 329.713936] 0 pages cma reserved [ 329.717301] Unreclaimable slab info: [ 329.721058] Name Used Total [ 329.726613] pid_2 96KB 156KB [ 329.732083] TIPC 10KB 14KB [ 329.737462] SCTPv6 14KB 16KB [ 329.742866] DCCPv6 17KB 21KB [ 329.748226] DCCP 15KB 20KB [ 329.753763] bridge_fdb_cache 11KB 15KB [ 329.759719] fib6_nodes 77KB 96KB [ 329.765972] ip6_dst_cache 386KB 630KB [ 329.782327] RAWv6 68KB 71KB [ 329.787702] UDPv6 3KB 3KB [ 329.794427] TCPv6 16KB 16KB [ 329.802931] sd_ext_cdb 0KB 3KB [ 329.808299] scsi_sense_cache 1940KB 1940KB [ 329.814790] virtio_scsi_cmd 16KB 16KB [ 329.821056] sgpool-128 10KB 10KB [ 329.826518] sgpool-64 28KB 31KB [ 329.832048] sgpool-32 7885KB 7885KB [ 329.837413] sgpool-16 1995KB 1995KB [ 329.842927] sgpool-8 4826KB 4826KB [ 329.848309] cfq_io_cq 35KB 35KB [ 329.853897] cfq_queue 71KB 73KB [ 329.859271] mqueue_inode_cache 10KB 21KB [ 329.864883] bio-2 14KB 19KB [ 329.870289] jfs_mp 7KB 7KB [ 329.875740] nfs_commit_data 3KB 7KB [ 329.881152] nfs_write_data 34KB 37KB [ 329.886634] ext4_system_zone 0KB 3KB [ 329.892054] bio-1 1KB 3KB [ 329.897420] pid_namespace 1KB 7KB [ 329.903035] rpc_buffers 17KB 19KB [ 329.911807] rpc_tasks 2KB 3KB [ 329.922824] UNIX 8KB 14KB [ 329.928339] tcp_bind_bucket 1KB 4KB [ 329.928348] ip_fib_trie 11KB 15KB [ 329.928353] ip_fib_alias 52KB 63KB [ 329.928358] ip_dst_cache 1KB 8KB [ 329.928364] RAW 40KB 50KB [ 329.928369] UDP 15KB 23KB [ 329.928376] TCP 55KB 55KB [ 329.950592] hugetlbfs_inode_cache 2KB 7KB [ 329.961997] fscache_cookie_jar 0KB 7KB [ 329.984246] eventpoll_pwq 25KB 51KB [ 329.989622] eventpoll_epi 49KB 94KB [ 329.998453] inotify_inode_mark 47KB 86KB [ 330.004738] request_queue 129KB 137KB [ 330.011038] blkdev_requests 1KB 3KB [ 330.016992] blkdev_ioc 44KB 46KB [ 330.022837] bio-0 7218KB 7218KB [ 330.028930] biovec-(1<<(21-12)) 4760KB 4760KB [ 330.056044] biovec-64 7189KB 7189KB [ 330.070979] biovec-16 1717KB 1717KB [ 330.080644] bio_integrity_payload 1KB 8KB [ 330.108113] khugepaged_mm_slot 0KB 3KB [ 330.127923] dmaengine-unmap-256 2KB 6KB [ 330.133876] dmaengine-unmap-128 1KB 3KB [ 330.139493] dmaengine-unmap-16 0KB 4KB [ 330.146171] dmaengine-unmap-2 0KB 3KB [ 330.151633] skbuff_fclone_cache 11KB 11KB [ 330.157233] skbuff_head_cache 497KB 1068KB [ 330.177433] configfs_dir_cache 0KB 4KB [ 330.195598] file_lock_cache 0KB 3KB [ 330.204205] file_lock_ctx 0KB 3KB [ 330.219409] fsnotify_mark_connector 28KB 51KB [ 330.235068] net_namespace 41KB 41KB [ 330.247369] shmem_inode_cache 5407KB 5789KB [ 330.258375] task_delay_info 80KB 320KB [ 330.267618] taskstats 107KB 160KB [ 330.273086] sigqueue 62KB 232KB [ 330.279257] kernfs_node_cache 10990KB 10993KB [ 330.284805] mnt_cache 4308KB 5296KB [ 330.290323] filp 2895KB 4863KB [ 330.295757] names_cache 70350KB 70350KB [ 330.302397] iint_cache 43KB 63KB [ 330.320531] key_jar 3KB 7KB [ 330.332701] nsproxy 43KB 71KB [ 330.343721] vm_area_struct 4985KB 8867KB [ 330.354780] mm_struct 759KB 1601KB [ 330.366259] fs_cache 65KB 284KB [ 330.373561] files_cache 245KB 476KB [ 330.379139] signal_cache 599KB 1193KB [ 330.396870] sighand_cache 499KB 506KB [ 330.402729] task_struct 2617KB 2673KB [ 330.408265] cred_jar 450KB 1540KB [ 330.413830] anon_vma_chain 3122KB 5614KB [ 330.419491] anon_vma 185KB 342KB [ 330.425789] pid 55KB 276KB [ 330.432947] Acpi-Operand 107KB 178KB [ 330.438450] Acpi-Namespace 19KB 23KB [ 330.443865] numa_policy 0KB 3KB [ 330.449295] debug_objects_cache 896KB 1021KB [ 330.455070] trace_event_file 247KB 251KB [ 330.460463] ftrace_event_field 353KB 354KB [ 330.465901] pool_workqueue 80KB 84KB [ 330.471321] task_group 4KB 7KB [ 330.476673] page->ptl 882KB 2790KB [ 330.483719] kmalloc-4194304 5640192KB 5640192KB [ 330.489191] kmalloc-2097152 2050KB 2050KB [ 330.494692] kmalloc-524288 1028KB 1028KB [ 330.500140] kmalloc-262144 1290KB 1290KB [ 330.505491] kmalloc-131072 650KB 650KB [ 330.514088] kmalloc-65536 264KB 264KB [ 330.522819] kmalloc-32768 1254KB 1254KB [ 330.528214] kmalloc-16384 379KB 379KB [ 330.551856] kmalloc-8192 1782KB 1782KB [ 330.560254] kmalloc-4096 14394KB 14433KB [ 330.565628] kmalloc-2048 40615KB 40615KB [ 330.576867] kmalloc-1024 5466KB 6890KB [ 330.582383] kmalloc-512 2711KB 4335KB [ 330.587749] kmalloc-256 3020KB 3495KB [ 330.593167] kmalloc-128 1206KB 1504KB [ 330.598532] kmalloc-96 2847KB 3556KB [ 330.605199] kmalloc-64 1865KB 2156KB [ 330.610628] kmalloc-32 2305KB 3110KB [ 330.615998] kmalloc-192 831KB 920KB [ 330.621874] kmem_cache 202KB 202KB [ 330.627256] Out of memory: Kill process 26601 (syz-executor5) score 999 or sacrifice child [ 330.855141] udevd invoked oom-killer: gfp_mask=0x14040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=-1000 [ 330.885587] udevd cpuset=/ mems_allowed=0 [ 330.937343] CPU: 1 PID: 26623 Comm: udevd Not tainted 4.16.0-rc7+ #1 [ 330.943849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 330.953190] Call Trace: [ 330.955755] dump_stack+0x153/0x201 [ 330.959369] ? arch_local_irq_restore+0x43/0x43 [ 330.964035] ? debug_check_no_locks_freed+0x310/0x310 [ 330.969216] dump_header+0x281/0xddc [ 330.972968] ? oom_reaper.cold.28+0x28/0x28 [ 330.977291] ? debug_check_no_locks_freed+0x310/0x310 [ 330.982483] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 330.987513] ? debug_check_no_locks_freed+0x310/0x310 [ 330.992699] ? print_usage_bug+0xc0/0xc0 [ 330.996760] ? compact_zone+0x2eb/0x2690 [ 331.000818] ? print_usage_bug+0xc0/0xc0 [ 331.004875] ? ___ratelimit+0x2dd/0x648 [ 331.008841] ? lock_downgrade+0x900/0x900 [ 331.012979] ? lock_release+0x9b0/0x9b0 [ 331.016945] ? mark_held_locks+0xc7/0x130 [ 331.021096] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 331.026211] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 331.031219] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 331.036311] ? ___ratelimit+0x2dd/0x648 [ 331.040276] ? idr_get_free+0x1550/0x1550 [ 331.044417] ? find_held_lock+0x13f/0x1c0 [ 331.048554] oom_kill_process.cold.29+0xb/0x1013 [ 331.053287] ? lock_downgrade+0x900/0x900 [ 331.057406] ? lock_release+0x9b0/0x9b0 [ 331.061357] ? find_held_lock+0x36/0x1c0 [ 331.065399] ? oom_evaluate_task+0x450/0x450 [ 331.069796] ? oom_badness+0x1fe/0x930 [ 331.073682] ? lock_downgrade+0x900/0x900 [ 331.077812] ? find_lock_task_mm+0x205/0x430 [ 331.082198] ? task_will_free_mem+0xe40/0xe40 [ 331.086680] ? find_held_lock+0x36/0x1c0 [ 331.090719] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 331.095286] ? oom_unkillable_task+0x2e4/0x480 [ 331.099860] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 331.104889] ? _raw_spin_unlock+0x2c/0x50 [ 331.109027] ? oom_badness+0x1fe/0x930 [ 331.112891] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 331.117449] ? find_lock_task_mm+0x430/0x430 [ 331.121833] ? find_held_lock+0x36/0x1c0 [ 331.125870] ? out_of_memory+0xa05/0x10f0 [ 331.129991] ? lock_downgrade+0x900/0x900 [ 331.134120] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 331.138680] ? debug_smp_processor_id+0x17/0x20 [ 331.143349] ? rcu_is_watching+0x69/0x180 [ 331.147470] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 331.152032] ? oom_evaluate_task+0x296/0x450 [ 331.156427] out_of_memory+0x739/0x10f0 [ 331.160385] ? oom_killer_disable+0x2d0/0x2d0 [ 331.164856] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 331.169757] ? rcu_pm_notify+0xc0/0xc0 [ 331.173620] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 331.178095] __alloc_pages_slowpath+0x2387/0x2e80 [ 331.182932] ? warn_alloc+0x120/0x120 [ 331.186724] ? find_held_lock+0x36/0x1c0 [ 331.190806] ? lock_downgrade+0x900/0x900 [ 331.194942] ? finish_task_switch+0x1b5/0x890 [ 331.199414] ? lock_release+0x9b0/0x9b0 [ 331.203366] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 331.207927] ? finish_task_switch+0x1f4/0x890 [ 331.212393] ? finish_task_switch+0x1b5/0x890 [ 331.216866] ? find_held_lock+0x36/0x1c0 [ 331.220923] ? lock_release+0x9b0/0x9b0 [ 331.224885] ? check_same_owner+0x330/0x330 [ 331.229185] ? __might_sleep+0x95/0x190 [ 331.233135] __alloc_pages_nodemask+0xaae/0xe10 [ 331.237784] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 331.242785] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 331.247774] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 331.252773] ? retint_kernel+0x2d/0x2d [ 331.256633] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 331.261625] ? retint_kernel+0x2d/0x2d [ 331.265492] cache_grow_begin+0x81/0x720 [ 331.269530] fallback_alloc+0x203/0x2c0 [ 331.273483] ____cache_alloc_node+0x1c7/0x1e0 [ 331.277981] kmem_cache_alloc+0x1f8/0x790 [ 331.282118] ? __handle_mm_fault+0x4230/0x4230 [ 331.286690] getname_flags+0xb8/0x520 [ 331.290477] getname+0xd/0x10 [ 331.293566] do_sys_open+0x230/0x6b0 [ 331.297260] ? filp_open+0x50/0x50 [ 331.300789] ? do_syscall_64+0xb8/0x980 [ 331.304744] SyS_open+0x19/0x20 [ 331.308010] do_syscall_64+0x276/0x980 [ 331.311874] ? vmalloc_sync_all+0x20/0x20 [ 331.315999] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 331.320741] ? syscall_return_slowpath+0x4e0/0x4e0 [ 331.325658] ? syscall_return_slowpath+0x215/0x4e0 [ 331.330572] ? prepare_exit_to_usermode+0x300/0x300 [ 331.335570] ? retint_user+0x18/0x18 [ 331.339270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.344116] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 331.349299] RIP: 0033:0x7ffadfd89120 [ 331.352999] RSP: 002b:00007ffceea33178 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 331.360700] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007ffadfd89120 [ 331.367960] RDX: 0000000000f56690 RSI: 0000000000000002 RDI: 000000000041c571 [ 331.375218] RBP: 0000000000625500 R08: 0000000000000e34 R09: 0000000000000e34 [ 331.382472] R10: 00007ffadfaae240 R11: 0000000000000246 R12: 0000000000f4dfe0 [ 331.389742] R13: 0000000000000007 R14: 0000000000f3d250 R15: 0000000000000005 [ 331.557860] Mem-Info: [ 331.569291] active_anon:4366 inactive_anon:189 isolated_anon:0 [ 331.569291] active_file:26 inactive_file:45 isolated_file:0 [ 331.569291] unevictable:0 dirty:10 writeback:0 unstable:0 [ 331.569291] slab_reclaimable:11910 slab_unreclaimable:1504325 [ 331.569291] mapped:27 shmem:241 pagetables:492 bounce:0 [ 331.569291] free:24191 free_pcp:4 free_cma:0 [ 331.611196] Node 0 active_anon:17464kB inactive_anon:756kB active_file:204kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:108kB dirty:40kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 331.638523] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 331.665008] lowmem_reserve[]: 0 2833 6339 6339 [ 331.669616] Node 0 DMA32 free:44140kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 331.727357] lowmem_reserve[]: 0 0 3505 3505 [ 331.809779] Node 0 Normal free:37220kB min:37280kB low:46600kB high:55920kB active_anon:17464kB inactive_anon:756kB active_file:76kB inactive_file:92kB unevictable:0kB writepending:40kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7264kB pagetables:1968kB bounce:0kB free_pcp:140kB local_pcp:72kB free_cma:0kB [ 332.080729] lowmem_reserve[]: 0 0 0 0 [ 332.084581] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 332.248592] Node 0 DMA32: 5*4kB (UME) 41*8kB (UM) 27*16kB (UME) 75*32kB (UME) 62*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 44140kB [ 332.388968] Node 0 Normal: 716*4kB (UMH) 579*8kB (UMEH) 331*16kB (UMEH) 137*32kB (UMEH) 82*64kB (UMEH) 44*128kB (UMH) 36*256kB (ME) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 37784kB [ 332.539514] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 332.605817] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 332.702043] 279 total pagecache pages [ 332.705908] 0 pages in swap cache [ 332.709365] Swap cache stats: add 0, delete 0, find 0/0 [ 332.795857] Free swap = 0kB [ 332.798894] Total swap = 0kB [ 332.865486] 1965979 pages RAM [ 332.868639] 0 pages HighMem/MovableOnly [ 332.929381] 338422 pages reserved [ 332.956222] 0 pages cma reserved [ 332.959599] Unreclaimable slab info: [ 333.016330] Name Used Total [ 333.058001] pid_2 96KB 156KB [ 333.104341] TIPC 10KB 14KB [ 333.109730] SCTPv6 14KB 16KB [ 333.158211] DCCPv6 17KB 21KB [ 333.248616] DCCP 15KB 20KB [ 333.326952] bridge_fdb_cache 11KB 15KB [ 333.381826] fib6_nodes 77KB 96KB [ 333.387215] ip6_dst_cache 386KB 630KB [ 333.482899] RAWv6 68KB 71KB [ 333.488290] UDPv6 3KB 3KB [ 333.578148] TCPv6 16KB 16KB [ 333.619836] sd_ext_cdb 0KB 3KB [ 333.700281] scsi_sense_cache 1992KB 1992KB [ 333.705659] virtio_scsi_cmd 16KB 16KB [ 333.786213] sgpool-128 10KB 10KB [ 333.844011] sgpool-64 28KB 31KB [ 333.849397] sgpool-32 8153KB 8153KB [ 333.975495] sgpool-16 2066KB 2066KB [ 334.027806] sgpool-8 5002KB 5002KB [ 334.080959] cfq_io_cq 35KB 35KB [ 334.086338] cfq_queue 71KB 73KB [ 334.182277] mqueue_inode_cache 10KB 21KB [ 334.187779] bio-2 14KB 19KB [ 334.293798] jfs_mp 7KB 7KB [ 334.299182] nfs_commit_data 3KB 7KB [ 334.383152] nfs_write_data 34KB 37KB [ 334.388543] ext4_system_zone 0KB 3KB [ 334.481503] bio-1 1KB 3KB [ 334.486886] pid_namespace 1KB 7KB [ 334.600212] rpc_buffers 17KB 19KB [ 334.605602] rpc_tasks 2KB 3KB [ 334.696733] UNIX 8KB 14KB [ 334.719594] tcp_bind_bucket 1KB 4KB [ 334.813740] ip_fib_trie 11KB 15KB [ 334.819133] ip_fib_alias 52KB 63KB [ 334.917502] ip_dst_cache 1KB 8KB [ 334.973210] RAW 40KB 50KB [ 334.978590] UDP 15KB 23KB [ 335.086124] TCP 55KB 55KB [ 335.135570] hugetlbfs_inode_cache 2KB 7KB [ 335.194605] fscache_cookie_jar 0KB 7KB [ 335.255432] eventpoll_pwq 25KB 51KB [ 335.325807] eventpoll_epi 49KB 94KB [ 335.348563] inotify_inode_mark 47KB 86KB [ 335.427646] request_queue 129KB 137KB [ 335.470940] blkdev_requests 1KB 3KB [ 335.476309] blkdev_ioc 46KB 46KB [ 335.568761] bio-0 7443KB 7443KB [ 335.629389] biovec-(1<<(21-12)) 4851KB 4851KB [ 335.700076] biovec-64 7292KB 7292KB [ 335.705480] biovec-16 1751KB 1751KB [ 335.825433] bio_integrity_payload 1KB 8KB [ 335.887703] khugepaged_mm_slot 0KB 3KB [ 335.934980] dmaengine-unmap-256 2KB 6KB [ 336.019429] dmaengine-unmap-128 1KB 3KB [ 336.059016] dmaengine-unmap-16 0KB 4KB [ 336.109811] dmaengine-unmap-2 0KB 3KB [ 336.167613] skbuff_fclone_cache 8KB 11KB [ 336.218014] skbuff_head_cache 497KB 1068KB [ 336.275933] configfs_dir_cache 0KB 4KB [ 336.327315] file_lock_cache 0KB 3KB [ 336.375174] file_lock_ctx 0KB 3KB [ 336.436194] fsnotify_mark_connector 27KB 51KB [ 336.456278] net_namespace 41KB 41KB [ 336.517283] shmem_inode_cache 5401KB 5789KB [ 336.571555] task_delay_info 80KB 320KB [ 336.576918] taskstats 107KB 160KB [ 336.658028] sigqueue 62KB 232KB [ 336.719715] kernfs_node_cache 10990KB 10993KB [ 336.767533] mnt_cache 4254KB 5288KB [ 336.829243] filp 2861KB 4852KB [ 336.867872] names_cache 69581KB 69581KB [ 336.921209] iint_cache 43KB 63KB [ 336.926584] key_jar 3KB 7KB [ 337.019120] nsproxy 43KB 71KB [ 337.072818] vm_area_struct 4964KB 8859KB [ 337.078217] mm_struct 746KB 1585KB [ 337.156977] fs_cache 65KB 284KB [ 337.206676] files_cache 245KB 476KB [ 337.256205] signal_cache 599KB 1193KB [ 337.313674] sighand_cache 506KB 506KB [ 337.319069] task_struct 2617KB 2673KB [ 337.424482] cred_jar 446KB 1532KB [ 337.429881] anon_vma_chain 3102KB 5610KB [ 337.567698] anon_vma 185KB 342KB [ 337.628609] pid 55KB 276KB [ 337.681683] Acpi-Operand 107KB 178KB [ 337.687084] Acpi-Namespace 19KB 23KB [ 337.804725] numa_policy 0KB 3KB [ 337.849684] debug_objects_cache 896KB 1021KB [ 337.918142] trace_event_file 247KB 251KB [ 337.964286] ftrace_event_field 353KB 354KB [ 337.969739] pool_workqueue 80KB 84KB [ 338.057906] task_group 4KB 7KB [ 338.128088] page->ptl 869KB 2779KB [ 338.195425] kmalloc-4194304 5640192KB 5640192KB [ 338.225500] kmalloc-2097152 2050KB 2050KB [ 338.276525] kmalloc-524288 1028KB 1028KB [ 338.340097] kmalloc-262144 1290KB 1290KB [ 338.345512] kmalloc-131072 650KB 650KB [ 338.423364] kmalloc-65536 264KB 264KB [ 338.428752] kmalloc-32768 1254KB 1254KB [ 338.557051] kmalloc-16384 379KB 379KB [ 338.606835] kmalloc-8192 1782KB 1782KB [ 338.659971] kmalloc-4096 14407KB 14407KB [ 338.725822] kmalloc-2048 41023KB 41023KB [ 338.776085] kmalloc-1024 5479KB 6890KB [ 338.830377] kmalloc-512 2711KB 4335KB [ 338.835776] kmalloc-256 3020KB 3495KB [ 338.959331] kmalloc-128 1188KB 1504KB [ 339.006375] kmalloc-96 2862KB 3556KB [ 339.050691] kmalloc-64 1865KB 2156KB [ 339.056067] kmalloc-32 2301KB 3110KB [ 339.157430] kmalloc-192 831KB 920KB [ 339.240108] kmem_cache 202KB 202KB [ 339.245508] Out of memory: Kill process 26613 (syz-executor5) score 999 or sacrifice child [ 339.400618] Killed process 26613 (syz-executor5) total-vm:37572kB, anon-rss:88kB, file-rss:0kB, shmem-rss:0kB [ 339.591282] syz-executor4 invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 339.641853] syz-executor4 cpuset=syz4 mems_allowed=0 [ 339.647468] CPU: 1 PID: 5583 Comm: syz-executor4 Not tainted 4.16.0-rc7+ #1 [ 339.654582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.664377] Call Trace: [ 339.666942] dump_stack+0x153/0x201 [ 339.670552] ? arch_local_irq_restore+0x43/0x43 [ 339.675199] ? debug_check_no_locks_freed+0x310/0x310 [ 339.680378] dump_header+0x281/0xddc [ 339.684094] ? oom_reaper.cold.28+0x28/0x28 [ 339.688425] ? debug_check_no_locks_freed+0x310/0x310 [ 339.693627] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 339.698633] ? debug_check_no_locks_freed+0x310/0x310 [ 339.703809] ? print_usage_bug+0xc0/0xc0 [ 339.707850] ? print_usage_bug+0xc0/0xc0 [ 339.711889] ? ___ratelimit+0x2dd/0x648 [ 339.715838] ? lock_downgrade+0x900/0x900 [ 339.719954] ? lock_release+0x9b0/0x9b0 [ 339.723913] ? mark_held_locks+0xc7/0x130 [ 339.728032] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 339.733108] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 339.738096] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 339.743170] ? ___ratelimit+0x2dd/0x648 [ 339.747114] ? idr_get_free+0x1550/0x1550 [ 339.751235] ? find_held_lock+0x13f/0x1c0 [ 339.755354] oom_kill_process.cold.29+0xb/0x1013 [ 339.760082] ? lock_downgrade+0x900/0x900 [ 339.764219] ? lock_release+0x9b0/0x9b0 [ 339.768166] ? find_held_lock+0x36/0x1c0 [ 339.772199] ? oom_evaluate_task+0x450/0x450 [ 339.776585] ? oom_badness+0x1fe/0x930 [ 339.780485] ? lock_downgrade+0x900/0x900 [ 339.784609] ? find_lock_task_mm+0x205/0x430 [ 339.788991] ? task_will_free_mem+0xe40/0xe40 [ 339.793460] ? find_held_lock+0x36/0x1c0 [ 339.797494] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 339.802052] ? oom_unkillable_task+0x2e4/0x480 [ 339.806640] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 339.811631] ? _raw_spin_unlock+0x2c/0x50 [ 339.815766] ? oom_badness+0x1fe/0x930 [ 339.819627] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 339.824184] ? find_lock_task_mm+0x430/0x430 [ 339.828568] ? find_held_lock+0x36/0x1c0 [ 339.832605] ? out_of_memory+0xa05/0x10f0 [ 339.836726] ? lock_downgrade+0x900/0x900 [ 339.840849] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 339.845839] ? debug_smp_processor_id+0x17/0x20 [ 339.850482] ? rcu_is_watching+0x69/0x180 [ 339.854603] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 339.859155] ? oom_evaluate_task+0x296/0x450 [ 339.863566] out_of_memory+0x739/0x10f0 [ 339.867537] ? oom_killer_disable+0x2d0/0x2d0 [ 339.872006] ? __alloc_pages_slowpath+0xed2/0x2e80 [ 339.876906] ? __lock_is_held+0xb5/0x140 [ 339.880939] ? ww_mutex_lock.part.4+0xf0/0xf0 [ 339.885473] __alloc_pages_slowpath+0x2387/0x2e80 [ 339.890301] ? warn_alloc+0x120/0x120 [ 339.894078] ? lock_downgrade+0x900/0x900 [ 339.898198] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 339.902752] ? debug_smp_processor_id+0x17/0x20 [ 339.907389] ? rcu_is_watching+0x69/0x180 [ 339.911509] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 339.916080] ? rcu_read_lock_sched_held+0x108/0x120 [ 339.921074] ? find_get_entry+0x217/0xa40 [ 339.925193] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 339.930197] ? __lock_is_held+0xb5/0x140 [ 339.934234] ? debug_check_no_locks_freed+0x310/0x310 [ 339.939396] ? lock_release+0x9b0/0x9b0 [ 339.943346] ? check_same_owner+0x330/0x330 [ 339.947640] ? debug_smp_processor_id+0x17/0x20 [ 339.952285] ? rcu_is_watching+0x69/0x180 [ 339.956410] ? __might_sleep+0x95/0x190 [ 339.960362] __alloc_pages_nodemask+0xaae/0xe10 [ 339.965005] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 339.969992] ? find_get_pages_contig+0x12e0/0x12e0 [ 339.974900] ? read_cache_pages+0x960/0x960 [ 339.979195] ? lock_downgrade+0x900/0x900 [ 339.983316] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 339.988305] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 339.993293] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 339.998285] ? find_held_lock+0x36/0x1c0 [ 340.002324] alloc_pages_current+0xd6/0x1b0 [ 340.006621] __page_cache_alloc+0x2d8/0x570 [ 340.010922] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 340.015476] ? debug_smp_processor_id+0x17/0x20 [ 340.020115] ? rcu_is_watching+0x69/0x180 [ 340.024276] ? __filemap_set_wb_err+0x320/0x320 [ 340.028920] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 340.033500] ? filemap_fault+0x142f/0x1c50 [ 340.037722] filemap_fault+0x1087/0x1c50 [ 340.041758] ? __lock_page_or_retry+0x450/0x450 [ 340.046399] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 340.050956] ? filemap_map_pages+0x907/0x16e0 [ 340.055440] ? print_usage_bug+0xc0/0xc0 [ 340.059475] ? find_get_pages_range_tag+0x1020/0x1020 [ 340.064638] ? print_usage_bug+0xc0/0xc0 [ 340.068670] ? finish_task_switch+0x1b5/0x890 [ 340.073138] ? __lock_acquire+0x72e/0x4c60 [ 340.077340] ? lock_release+0x9b0/0x9b0 [ 340.081284] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 340.086284] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 340.090841] ? print_usage_bug+0xc0/0xc0 [ 340.094873] ? print_usage_bug+0xc0/0xc0 [ 340.098906] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 340.103899] ? lock_acquire+0x1ed/0x560 [ 340.107849] ? ext4_filemap_fault+0x75/0xa5 [ 340.112146] ? lock_release+0x9b0/0x9b0 [ 340.116088] ? check_same_owner+0x330/0x330 [ 340.120380] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 340.125365] ? ext4_filemap_fault+0x88/0xa5 [ 340.129662] ? down_read+0x99/0x160 [ 340.133256] ? ext4_filemap_fault+0x75/0xa5 [ 340.137569] ? __down_interruptible+0x700/0x700 [ 340.142222] ext4_filemap_fault+0x7d/0xa5 [ 340.146340] __do_fault+0xe8/0x3d0 [ 340.149848] ? pmd_devmap_trans_unstable+0x130/0x130 [ 340.154936] ? add_mm_counter_fast+0xc0/0xc0 [ 340.159315] ? add_mm_counter_fast+0xc0/0xc0 [ 340.163696] __handle_mm_fault+0x2294/0x4230 [ 340.168092] ? vm_insert_mixed_mkwrite+0x10/0x10 [ 340.172822] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 340.177820] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 340.182815] ? handle_mm_fault+0x35c/0xa00 [ 340.187020] ? lock_downgrade+0x900/0x900 [ 340.191145] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 340.195702] ? debug_smp_processor_id+0x17/0x20 [ 340.200346] ? rcu_is_watching+0x69/0x180 [ 340.204466] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 340.209018] ? handle_mm_fault+0x6d3/0xa00 [ 340.213228] handle_mm_fault+0x415/0xa00 [ 340.217265] ? __handle_mm_fault+0x4230/0x4230 [ 340.221827] __do_page_fault+0x493/0xb80 [ 340.225861] ? mm_fault_error+0x2a0/0x2a0 [ 340.229983] ? hrtimer_nanosleep+0x5b0/0x5b0 [ 340.234367] ? do_syscall_64+0xb8/0x980 [ 340.238312] do_page_fault+0xe1/0x6f4 [ 340.242088] ? vmalloc_sync_all+0x20/0x20 [ 340.246206] ? syscall_slow_exit_work+0x420/0x420 [ 340.251031] ? syscall_return_slowpath+0x4e0/0x4e0 [ 340.255945] ? retint_user+0x18/0x18 [ 340.259631] ? page_fault+0x2f/0x50 [ 340.263230] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 340.268042] ? page_fault+0x2f/0x50 [ 340.271643] page_fault+0x45/0x50 [ 340.275079] RIP: 0033:0x457674 [ 340.278241] RSP: 002b:00007ffca5164120 EFLAGS: 00010217 [ 340.283602] RAX: 0000000000000000 RBX: 0000000000050c53 RCX: 0000000000483300 [ 340.290845] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffca5164120 [ 340.298090] RBP: 0000000000000a41 R08: 0000000000000001 R09: 0000000001a98940 [ 340.305335] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 340.312576] R13: 00000000000508d7 R14: 0000000000000325 R15: 0000000000000004 [ 340.321630] Mem-Info: [ 340.324052] active_anon:4352 inactive_anon:189 isolated_anon:0 [ 340.324052] active_file:63 inactive_file:63 isolated_file:0 [ 340.324052] unevictable:0 dirty:0 writeback:0 unstable:0 [ 340.324052] slab_reclaimable:11897 slab_unreclaimable:1504003 [ 340.324052] mapped:110 shmem:241 pagetables:484 bounce:0 [ 340.324052] free:24356 free_pcp:234 free_cma:0 [ 340.357090] Node 0 active_anon:17408kB inactive_anon:756kB active_file:140kB inactive_file:240kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:72kB dirty:4kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 340.384405] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 340.410628] lowmem_reserve[]: 0 2833 6339 6339 [ 340.415255] Node 0 DMA32 free:44140kB min:30136kB low:37668kB high:45200kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2904456kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 340.442486] lowmem_reserve[]: 0 0 3505 3505 [ 340.446841] Node 0 Normal free:37232kB min:37280kB low:46600kB high:55920kB active_anon:17408kB inactive_anon:756kB active_file:140kB inactive_file:240kB unevictable:0kB writepending:4kB present:4718592kB managed:3589864kB mlocked:0kB kernel_stack:7232kB pagetables:1936kB bounce:0kB free_pcp:224kB local_pcp:0kB free_cma:0kB [ 340.533436] lowmem_reserve[]: 0 0 0 0 [ 340.537301] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 340.567449] Node 0 DMA32: 5*4kB (UME) 42*8kB (UM) 27*16kB (UME) 75*32kB (UME) 62*64kB (UME) 27*128kB (UME) 13*256kB (UME) 5*512kB (UME) 5*1024kB (ME) 3*2048kB (UME) 4*4096kB (M) = 44148kB [ 340.590989] Node 0 Normal: 241*4kB (UMEH) 568*8kB (MEH) 431*16kB (UMEH) 136*32kB (UMEH) 82*64kB (UMEH) 44*128kB (UMH) 36*256kB (ME) 1*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 37364kB [ 340.615419] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 340.624343] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 340.654921] 329 total pagecache pages [ 340.658757] 0 pages in swap cache [ 340.670007] Swap cache stats: add 0, delete 0, find 0/0 [ 340.693081] Free swap = 0kB [ 340.713385] Total swap = 0kB [ 340.716427] 1965979 pages RAM [ 340.719531] 0 pages HighMem/MovableOnly [ 340.724010] 338422 pages reserved [ 340.728015] 0 pages cma reserved [ 340.731525] Unreclaimable slab info: [ 340.746501] Name Used Total [ 340.758169] pid_2 96KB 156KB [ 340.765275] TIPC 10KB 14KB [ 340.771160] SCTPv6 14KB 16KB [ 340.787731] DCCPv6 17KB 21KB [ 340.818312] DCCP 15KB 20KB [ 340.824829] bridge_fdb_cache 11KB 15KB [ 340.830431] fib6_nodes 77KB 96KB [ 340.835965] ip6_dst_cache 386KB 630KB [ 340.841631] RAWv6 68KB 71KB [ 340.848013] UDPv6 3KB 3KB [ 340.855311] TCPv6 14KB 16KB [ 340.862832] sd_ext_cdb 0KB 3KB [ 340.868203] scsi_sense_cache 2004KB 2004KB [ 340.899652] virtio_scsi_cmd 16KB 16KB [ 340.908621] sgpool-128 10KB 10KB [ 340.944897] sgpool-64 28KB 31KB [ 340.974210] sgpool-32 8408KB 8408KB [ 340.981053] sgpool-16 2141KB 2141KB [ 340.987327] sgpool-8 5122KB 5122KB [ 340.993462] cfq_io_cq 35KB 35KB [ 341.000245] cfq_queue 71KB 73KB [ 341.005794] mqueue_inode_cache 10KB 21KB [ 341.014627] bio-2 14KB 19KB [ 341.020602] jfs_mp 7KB 7KB [ 341.026002] nfs_commit_data 3KB 7KB [ 341.042677] nfs_write_data 34KB 37KB [ 341.051031] ext4_system_zone 0KB 3KB [ 341.059860] bio-1 1KB 3KB [ 341.067335] pid_namespace 1KB 7KB [ 341.081839] rpc_buffers 17KB 19KB [ 341.087897] rpc_tasks 2KB 3KB [ 341.123415] UNIX 8KB 14KB [ 341.124830] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 341.124830] [ 341.138405] CPU: 1 PID: 5 Comm: kworker/u4:0 Not tainted 4.16.0-rc7+ #1 [ 341.145153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.149999] tcp_bind_bucket 1KB 4KB [ 341.154514] Workqueue: writeback wb_workfn (flush-8:0) [ 341.165123] Call Trace: [ 341.167706] dump_stack+0x153/0x201 [ 341.171327] ? arch_local_irq_restore+0x43/0x43 [ 341.175994] ? blk_flush_plug_list+0x6f7/0xa90 [ 341.180577] panic+0x1b2/0x369 [ 341.183787] ? add_taint.cold.5+0x11/0x11 [ 341.186486] ip_fib_trie 11KB 15KB [ 341.187927] ? blk_init_request_from_bio+0x3e0/0x3e0 [ 341.193316] ip_fib_alias 52KB 63KB [ 341.198375] __schedule+0x2000/0x2000 [ 341.198387] ? pci_mmcfg_check_reserved+0x120/0x120 [ 341.198394] ? find_held_lock+0x36/0x1c0 [ 341.198403] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.198415] ? debug_check_no_locks_freed+0x310/0x310 [ 341.198426] ? print_usage_bug+0xc0/0xc0 [ 341.198437] schedule+0xfe/0x460 [ 341.198443] ? lock_downgrade+0x900/0x900 [ 341.198448] ? __schedule+0x2000/0x2000 [ 341.198454] ? lock_release+0x9b0/0x9b0 [ 341.198463] ? mark_held_locks+0xc7/0x130 [ 341.205313] ip_dst_cache 1KB 8KB [ 341.207617] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 341.207627] rwsem_down_read_failed+0x405/0x720 [ 341.207636] ? rt_mutex_futex_unlock+0x120/0x120 [ 341.207643] ? memcg_drain_all_list_lrus+0x8e0/0x8e0 [ 341.207650] ? idr_destroy+0x190/0x190 [ 341.207660] ? __lock_is_held+0xb5/0x140 [ 341.207668] ? lock_acquire+0x1ed/0x560 [ 341.207673] ? rmap_walk_file+0x634/0xc40 [ 341.207684] ? lock_release+0x9b0/0x9b0 [ 341.207689] ? check_same_owner+0x330/0x330 [ 341.207697] ? shmem_parse_options.cold.48+0x3a/0x3a [ 341.207706] call_rwsem_down_read_failed+0x18/0x30 [ 341.207716] down_read+0xa7/0x160 [ 341.207720] ? rmap_walk_file+0x634/0xc40 [ 341.207726] ? __down_interruptible+0x700/0x700 [ 341.207736] ? debug_check_no_obj_freed+0x3da/0xcd0 [ 341.207744] rmap_walk_file+0x634/0xc40 [ 341.212807] RAW 40KB 50KB [ 341.216806] ? lock_release+0x9b0/0x9b0 [ 341.216815] ? mark_held_locks+0xc7/0x130 [ 341.216821] ? rmap_walk_anon+0xc10/0xc10 [ 341.216826] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 341.216835] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 341.221957] UDP 15KB 23KB [ 341.227029] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 341.227036] ? debug_check_no_obj_freed+0x3da/0xcd0 [ 341.227042] ? print_usage_bug+0xc0/0xc0 [ 341.227049] ? print_usage_bug+0xc0/0xc0 [ 341.227056] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.227064] ? vma_adjust_trans_huge+0x220/0x220 [ 341.227073] ? free_unref_page_commit+0x1eb/0x5b0 [ 341.227079] ? page_frag_free+0x260/0x260 [ 341.227085] ? __page_mapcount+0x430/0x430 [ 341.227093] ? mark_held_locks+0xc7/0x130 [ 341.227103] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 341.227109] ? trace_hardirqs_on+0xd/0x10 [ 341.227118] rmap_walk+0x196/0x2c0 [ 341.227125] ? page_lock_anon_vma_read+0x5b0/0x5b0 [ 341.227131] ? __page_frag_cache_drain+0x1d0/0x1d0 [ 341.227137] ? memcg_check_events+0x93/0x5a0 [ 341.227143] ? vm_mmap+0x40/0x40 [ 341.227155] page_referenced+0x629/0x8f0 [ 341.227163] ? rmap_walk+0x2c0/0x2c0 [ 341.234589] TCP 49KB 55KB [ 341.238696] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 341.238704] ? page_mapcount_is_zero+0x20/0x20 [ 341.238709] ? page_get_anon_vma+0x3c0/0x3c0 [ 341.238714] ? __lock_is_held+0xb5/0x140 [ 341.238726] ? page_evictable+0x6d/0x190 [ 341.238732] ? kswapd_stop+0xe0/0xe0 [ 341.238744] shrink_page_list+0x2158/0x5300 [ 341.238761] ? page_evictable+0x190/0x190 [ 341.250923] hugetlbfs_inode_cache 2KB 7KB [ 341.256157] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 341.256163] ? debug_check_no_obj_freed+0x3da/0xcd0 [ 341.256169] ? print_usage_bug+0xc0/0xc0 [ 341.256179] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.256190] ? free_unref_page_commit+0x1eb/0x5b0 [ 341.261311] fscache_cookie_jar 0KB 7KB [ 341.265837] ? page_frag_free+0x260/0x260 [ 341.265846] ? mark_held_locks+0xc7/0x130 [ 341.265854] ? __lock_acquire+0x72e/0x4c60 [ 341.265858] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 341.265864] ? trace_hardirqs_on+0xd/0x10 [ 341.265871] ? lock_downgrade+0x900/0x900 [ 341.265883] ? debug_check_no_locks_freed+0x310/0x310 [ 341.265891] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 341.265905] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.265910] ? percpu_ref_get_many+0x230/0x230 [ 341.265917] ? uncharge_batch+0x416/0x710 [ 341.265933] ? print_usage_bug+0xc0/0xc0 [ 341.265939] ? rb_erase_cached+0xc78/0x3720 [ 341.270726] eventpoll_pwq 24KB 51KB [ 341.275762] ? mem_cgroup_uncharge+0x100/0x100 [ 341.279627] eventpoll_epi 49KB 94KB [ 341.283669] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.283674] ? rb_next+0x140/0x140 [ 341.283680] ? check_same_owner+0x330/0x330 [ 341.283687] ? shrink_page_list+0x2e83/0x5300 [ 341.283700] ? print_usage_bug+0xc0/0xc0 [ 341.287655] inotify_inode_mark 46KB 86KB [ 341.291790] ? print_usage_bug+0xc0/0xc0 [ 341.291796] ? page_vma_mapped_walk+0x269/0x2150 [ 341.291803] ? lock_downgrade+0x900/0x900 [ 341.291811] ? print_usage_bug+0xc0/0xc0 [ 341.291819] ? print_usage_bug+0xc0/0xc0 [ 341.295779] request_queue 129KB 137KB [ 341.300112] ? __lock_acquire+0x72e/0x4c60 [ 341.300125] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.300132] ? __lock_acquire+0x72e/0x4c60 [ 341.300138] ? debug_check_no_locks_freed+0x310/0x310 [ 341.305219] blkdev_requests 1KB 3KB [ 341.310137] ? rb_erase_cached+0xc78/0x3720 [ 341.310147] ? rb_next+0x140/0x140 [ 341.310159] ? update_load_avg+0x2de/0x2500 [ 341.310178] ? attach_entity_load_avg+0x7b0/0x7b0 [ 341.313608] blkdev_ioc 46KB 46KB [ 341.317740] ? attach_entity_load_avg+0x7b0/0x7b0 [ 341.322700] bio-0 7710KB 7710KB [ 341.327808] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.331806] biovec-(1<<(21-12)) 5007KB 5007KB [ 341.337128] ? find_held_lock+0x36/0x1c0 [ 341.337135] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.341123] biovec-64 7449KB 7449KB [ 341.345241] ? rb_erase+0x3710/0x3710 [ 341.349366] biovec-16 1800KB 1800KB [ 341.354551] ? print_usage_bug+0xc0/0xc0 [ 341.354557] ? rb_erase+0x3710/0x3710 [ 341.354568] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.354573] ? find_held_lock+0x36/0x1c0 [ 341.354583] ? cpuacct_charge+0x265/0x440 [ 341.354592] ? find_held_lock+0x36/0x1c0 [ 341.354602] ? update_curr+0x4d2/0xc20 [ 341.359610] bio_integrity_payload 1KB 8KB [ 341.364959] ? lock_downgrade+0x900/0x900 [ 341.364968] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.364974] ? debug_smp_processor_id+0x17/0x20 [ 341.364982] ? rcu_is_watching+0x69/0x180 [ 341.364987] ? __lock_is_held+0xb5/0x140 [ 341.364993] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 341.370128] khugepaged_mm_slot 0KB 3KB [ 341.375119] ? __lock_is_held+0xb5/0x140 [ 341.379161] dmaengine-unmap-256 2KB 6KB [ 341.383196] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.383204] ? putback_lru_page+0x1f0/0x1f0 [ 341.383220] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.383226] ? attach_entity_load_avg+0x7b0/0x7b0 [ 341.383241] ? __lock_is_held+0xb5/0x140 [ 341.388227] dmaengine-unmap-128 1KB 3KB [ 341.392985] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 341.392995] ? __this_cpu_preempt_check+0x13/0x15 [ 341.393006] ? __mod_zone_page_state+0x8a/0xd0 [ 341.393015] ? isolate_lru_pages.isra.51+0xdcb/0x1720 [ 341.397868] dmaengine-unmap-16 0KB 4KB [ 341.402029] ? __isolate_lru_page+0x7e0/0x7e0 [ 341.402040] ? __lock_acquire+0x72e/0x4c60 [ 341.402057] ? debug_check_no_locks_freed+0x310/0x310 [ 341.406273] dmaengine-unmap-2 0KB 3KB [ 341.410405] ? __lock_acquire+0x72e/0x4c60 [ 341.410446] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.415445] skbuff_fclone_cache 6KB 11KB [ 341.419583] ? __lock_is_held+0xb5/0x140 [ 341.423133] skbuff_head_cache 497KB 1068KB [ 341.428018] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.432948] configfs_dir_cache 0KB 4KB [ 341.437309] ? __lock_is_held+0xb5/0x140 [ 341.440681] file_lock_cache 0KB 3KB [ 341.444693] ? __account_cfs_rq_runtime+0x600/0x600 [ 341.444709] ? print_usage_bug+0xc0/0xc0 [ 341.448393] file_lock_ctx 0KB 3KB [ 341.453743] ? shrink_inactive_list+0x626/0x1b10 [ 341.453750] ? lock_downgrade+0x900/0x900 [ 341.453762] ? mark_held_locks+0xc7/0x130 [ 341.453778] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.458766] fsnotify_mark_connector 27KB 51KB [ 341.463348] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 341.463358] shrink_inactive_list+0x656/0x1b10 [ 341.463372] ? putback_inactive_pages+0x1740/0x1740 [ 341.463378] ? _raw_spin_unlock_irq+0x60/0x80 [ 341.467783] net_namespace 41KB 41KB [ 341.471837] ? finish_task_switch+0x1f4/0x890 [ 341.471842] ? finish_task_switch+0x1b5/0x890 [ 341.471849] ? copy_overflow+0x20/0x20 [ 341.471857] ? blk_lld_busy+0x50/0x50 [ 341.471869] ? throttle_direct_reclaim+0x830/0x830 [ 341.475958] shmem_inode_cache 5369KB 5769KB [ 341.479664] ? __schedule+0x863/0x2000 [ 341.484003] task_delay_info 79KB 320KB [ 341.488104] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.488114] shrink_node_memcg+0x5f8/0x1670 [ 341.493833] taskstats 117KB 160KB [ 341.498904] ? pci_mmcfg_check_reserved+0x120/0x120 [ 341.503930] sigqueue 62KB 232KB [ 341.507961] ? max_active_store+0x140/0x140 [ 341.507977] ? shrink_active_list+0x14d0/0x14d0 [ 341.512990] kernfs_node_cache 10990KB 10993KB [ 341.517800] ? cgroup_file_notify+0x4c/0x60 [ 341.523255] mnt_cache 4172KB 5256KB [ 341.527374] ? lock_release+0x9b0/0x9b0 [ 341.531526] filp 2793KB 4811KB [ 341.535721] ? preempt_schedule+0x4d/0x60 [ 341.540744] names_cache 67545KB 67583KB [ 341.544850] ? preempt_schedule_common+0x1f/0xd0 [ 341.548974] iint_cache 40KB 63KB [ 341.554150] ? preempt_schedule+0x4d/0x60 [ 341.554157] ? ___preempt_schedule+0x16/0x18 [ 341.554164] ? preempt_schedule_common+0x1f/0xd0 [ 341.554172] ? _raw_spin_unlock_irqrestore+0xbb/0xd0 [ 341.554182] shrink_node+0x487/0xe90 [ 341.559221] key_jar 3KB 7KB [ 341.564233] ? shrink_node_memcg+0x1670/0x1670 [ 341.564241] ? do_gettimeofday+0x180/0x180 [ 341.564249] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 341.564259] ? cpuset_nodemask_valid_mems_allowed+0x70/0x70 [ 341.568838] nsproxy 43KB 71KB [ 341.572965] ? delayacct_end+0xa8/0xf0 [ 341.572977] do_try_to_free_pages+0x347/0x10d0 [ 341.572982] ? __lock_acquire+0x72e/0x4c60 [ 341.572997] ? shrink_node+0xe90/0xe90 [ 341.577032] vm_area_struct 4821KB 8778KB [ 341.581354] try_to_free_pages+0x41d/0xa50 [ 341.581361] ? kasan_alloc_pages+0x38/0x40 [ 341.581367] ? do_try_to_free_pages+0x10d0/0x10d0 [ 341.581379] ? __lock_is_held+0xb5/0x140 [ 341.586742] mm_struct 715KB 1570KB [ 341.591311] ? lock_release+0x9b0/0x9b0 [ 341.591327] ? check_same_owner+0x330/0x330 [ 341.591335] ? __alloc_pages_direct_compact+0xc0/0x330 [ 341.591343] __alloc_pages_slowpath+0x9f5/0x2e80 [ 341.596709] fs_cache 65KB 284KB [ 341.601747] ? warn_alloc+0x120/0x120 [ 341.601760] ? print_usage_bug+0xc0/0xc0 [ 341.605285] files_cache 242KB 468KB [ 341.609585] ? warn_alloc+0x120/0x120 [ 341.614090] signal_cache 592KB 1193KB [ 341.618107] ? print_usage_bug+0xc0/0xc0 [ 341.623603] sighand_cache 504KB 506KB [ 341.627630] ? __lock_acquire+0x72e/0x4c60 [ 341.632398] task_struct 2580KB 2635KB [ 341.636504] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 341.640565] cred_jar 438KB 1528KB [ 341.644585] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.649924] anon_vma_chain 3017KB 5583KB [ 341.654158] ? debug_check_no_locks_freed+0x310/0x310 [ 341.654168] ? __lock_is_held+0xb5/0x140 [ 341.654190] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.654200] ? check_same_owner+0x330/0x330 [ 341.659193] anon_vma 185KB 342KB [ 341.663888] ? __might_sleep+0x95/0x190 [ 341.663898] __alloc_pages_nodemask+0xaae/0xe10 [ 341.663905] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.663912] ? __alloc_pages_slowpath+0x2e80/0x2e80 [ 341.663917] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.669087] pid 54KB 276KB [ 341.674434] ? print_usage_bug+0xc0/0xc0 [ 341.674445] ? find_held_lock+0x36/0x1c0 [ 341.674458] ? mark_held_locks+0xc7/0x130 [ 341.674466] ? cache_grow_begin+0x53d/0x720 [ 341.678774] Acpi-Operand 107KB 178KB [ 341.682466] cache_grow_begin+0x81/0x720 [ 341.682490] fallback_alloc+0x203/0x2c0 [ 341.682498] ____cache_alloc_node+0x1c7/0x1e0 [ 341.682507] kmem_cache_alloc_node_trace+0xe7/0x780 [ 341.686817] Acpi-Namespace 19KB 23KB [ 341.691642] __kmalloc_node+0x33/0x70 [ 341.691651] alloc_request_size+0x75/0x100 [ 341.691659] mempool_alloc+0x148/0x490 [ 341.691669] ? remove_element.isra.4+0x180/0x180 [ 341.697021] numa_policy 0KB 3KB [ 341.701852] ? mark_held_locks+0xc7/0x130 [ 341.701863] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.701869] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 341.701879] get_request+0xe5d/0x2750 [ 341.707221] debug_objects_cache 896KB 1021KB [ 341.712214] ? __lock_acquire+0x72e/0x4c60 [ 341.712219] ? debug_check_no_locks_freed+0x310/0x310 [ 341.712224] ? print_usage_bug+0xc0/0xc0 [ 341.712239] ? generic_make_request_checks+0x1f60/0x1f60 [ 341.712246] ? debug_check_no_locks_freed+0x310/0x310 [ 341.721627] trace_event_file 247KB 251KB [ 341.721818] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 341.721828] ? find_held_lock+0x36/0x1c0 [ 341.721836] ? prepare_to_wait+0x4f0/0x4f0 [ 341.721843] ? ioc_lookup_icq+0x25e/0x450 [ 341.721850] ? lock_downgrade+0x900/0x900 [ 341.721856] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.721863] ? wbt_update_limits+0x80/0x80 [ 341.721869] ? debug_smp_processor_id+0x17/0x20 [ 341.721875] ? rcu_is_watching+0x69/0x180 [ 341.721879] ? __lock_is_held+0xb5/0x140 [ 341.721885] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 341.721895] ? find_held_lock+0x36/0x1c0 [ 341.721905] ? blk_queue_bio+0x4a2/0x1900 [ 341.721911] ? lock_downgrade+0x900/0x900 [ 341.721921] ? debug_smp_processor_id+0x17/0x20 [ 341.721926] ? rcu_is_watching+0x69/0x180 [ 341.721932] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 341.721944] blk_queue_bio+0x50d/0x1900 [ 341.727468] ftrace_event_field 353KB 354KB [ 341.732298] ? blk_flush_plug_list+0xa90/0xa90 [ 341.732304] ? blk_init_queue+0x10/0x10 [ 341.732313] ? blk_queue_enter+0x98f/0xb70 [ 341.732318] ? kasan_kmalloc+0xc7/0xe0 [ 341.732322] ? kasan_slab_alloc+0x12/0x20 [ 341.732326] ? kmem_cache_alloc+0x12e/0x790 [ 341.732331] ? bio_alloc_bioset+0x384/0x6f0 [ 341.732335] ? submit_bh_wbc+0xe4/0x730 [ 341.732339] ? __block_write_full_page+0x5e3/0xce0 [ 341.732346] ? blk_exit_rl+0x60/0x60 [ 341.732353] ? debug_check_no_locks_freed+0x310/0x310 [ 341.732360] ? worker_thread+0x217/0x1910 [ 341.732364] ? kthread+0x319/0x3e0 [ 341.732370] ? ret_from_fork+0x3a/0x50 [ 341.732377] ? print_usage_bug+0xc0/0xc0 [ 341.732383] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.732389] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 341.732396] ? mark_held_locks+0xc7/0x130 [ 341.732407] ? __lock_is_held+0xb5/0x140 [ 341.732413] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 341.736687] pool_workqueue 80KB 84KB [ 341.741574] generic_make_request+0x2ff/0xdd0 [ 341.741582] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.741590] ? blk_get_request+0x20/0x20 [ 341.741600] ? mempool_alloc_slab+0x3a/0x50 [ 341.741609] ? find_held_lock+0x36/0x1c0 [ 341.741622] ? lock_downgrade+0x900/0x900 [ 341.741629] ? rcu_read_lock_held+0xa9/0xc0 [ 341.741638] submit_bio+0x9f/0x400 [ 341.741643] ? rcu_is_watching+0x69/0x180 [ 341.741648] ? submit_bio+0x9f/0x400 [ 341.741654] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 341.741660] ? generic_make_request+0xdd0/0xdd0 [ 341.741671] ? guard_bio_eod+0x18e/0x4f0 [ 341.741679] submit_bh_wbc+0x4f3/0x730 [ 341.741690] __block_write_full_page+0x5e3/0xce0 [ 341.741697] ? check_disk_change+0x120/0x120 [ 341.741706] ? submit_bh_wbc+0x730/0x730 [ 341.741713] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.741721] ? balance_dirty_pages_ratelimited+0x1a40/0x1a40 [ 341.741737] ? check_disk_change+0x120/0x120 [ 341.741743] block_write_full_page+0x1b1/0x240 [ 341.741752] blkdev_writepage+0x13/0x20 [ 341.741757] __writepage+0x5b/0xc0 [ 341.741765] write_cache_pages+0x723/0x12f0 [ 341.741794] ? tag_pages_for_writeback+0x410/0x410 [ 341.741805] ? clear_page_dirty_for_io+0x1020/0x1020 [ 341.741813] ? __getblk_gfp+0xe0/0x9b0 [ 341.741819] ? print_usage_bug+0xc0/0xc0 [ 341.741827] ? print_usage_bug+0xc0/0xc0 [ 341.745973] task_group 4KB 7KB [ 341.749688] ? __find_get_block+0xe60/0xe60 [ 341.754724] page->ptl 860KB 2779KB [ 341.758733] ? debug_check_no_locks_freed+0x310/0x310 [ 341.762909] kmalloc-4194304 5640192KB 5640192KB [ 341.766936] ? __lock_acquire+0x72e/0x4c60 [ 341.770829] kmalloc-2097152 2050KB 2050KB [ 341.776494] ? print_usage_bug+0xc0/0xc0 [ 341.780651] kmalloc-524288 1028KB 1028KB [ 341.785624] ? blk_lld_busy+0x50/0x50 [ 341.790296] kmalloc-262144 1290KB 1290KB [ 341.794396] ? mark_lock+0x47f/0x1c70 [ 341.798433] kmalloc-131072 650KB 650KB [ 341.803014] generic_writepages+0xca/0x130 [ 341.803021] ? write_cache_pages+0x12f0/0x12f0 [ 341.803038] blkdev_writepages+0x66/0xb0 [ 341.808469] kmalloc-65536 264KB 264KB [ 341.812525] do_writepages+0x74/0x130 [ 341.812537] __writeback_single_inode+0x1b0/0x1290 [ 341.812552] ? __mark_inode_dirty+0x12c0/0x12c0 [ 341.812573] ? debug_check_no_locks_freed+0x310/0x310 [ 341.818102] kmalloc-32768 1254KB 1254KB [ 341.823122] ? find_held_lock+0x36/0x1c0 [ 341.823133] ? wbc_attach_and_unlock_inode+0x4cc/0x930 [ 341.823139] ? lock_downgrade+0x900/0x900 [ 341.823146] ? find_held_lock+0x13f/0x1c0 [ 341.827451] kmalloc-16384 379KB 379KB [ 341.832456] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 341.832462] ? __lock_is_held+0xb5/0x140 [ 341.832476] ? _raw_spin_unlock+0x2c/0x50 [ 341.832483] ? wbc_attach_and_unlock_inode+0x4cc/0x930 [ 341.837306] kmalloc-8192 1782KB 1782KB [ 341.841350] ? __writeback_single_inode+0x1290/0x1290 [ 341.841364] writeback_sb_inodes+0x639/0x1420 [ 341.841380] ? wbc_detach_inode+0xa90/0xa90 [ 341.846905] kmalloc-4096 14135KB 14173KB [ 341.851473] ? lock_release+0x9b0/0x9b0 [ 341.851489] ? down_read_trylock+0xde/0x180 [ 341.851505] ? trylock_super+0x16/0xc0 [ 341.851511] ? downgrade_write+0x160/0x160 [ 341.856333] kmalloc-2048 41596KB 41596KB [ 341.860896] ? move_expired_inodes+0xdc0/0xdc0 [ 341.860907] __writeback_inodes_wb+0x190/0x2e0 [ 341.860916] ? writeback_sb_inodes+0x1420/0x1420 [ 341.860924] ? __lock_is_held+0xb5/0x140 [ 341.866104] kmalloc-1024 5479KB 6890KB [ 341.871553] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 341.871567] wb_writeback+0x82a/0xd50 [ 341.871578] ? writeback_inodes_wb.constprop.47+0x310/0x310 [ 341.876058] kmalloc-512 2683KB 4327KB [ 341.880274] ? check_noncircular+0x20/0x20 [ 341.880291] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 341.880297] ? string+0x1a4/0x330 [ 341.880304] ? update_load_avg+0x2de/0x2500 [ 341.885473] kmalloc-256 3003KB 3495KB [ 341.890818] ? format_decode+0x402/0x740 [ 341.890825] ? widen_string+0x1e0/0x1e0 [ 341.890835] ? print_usage_bug+0xc0/0xc0 [ 341.890844] ? cpumask_next+0x21/0x30 [ 341.890853] ? cpumask_next+0x21/0x30 [ 341.895065] kmalloc-128 1165KB 1504KB [ 341.900068] ? get_nr_dirty_inodes+0x94/0x120 [ 341.900074] ? lock_downgrade+0x900/0x900 [ 341.900084] ? get_nr_dirty_pages+0x150/0x1d0 [ 341.900090] ? inode_sleep_on_writeback+0x220/0x220 [ 341.900099] ? __local_bh_enable_ip+0x160/0x240 [ 341.905629] kmalloc-96 2869KB 3556KB [ 341.909671] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 341.915049] kmalloc-64 1850KB 2156KB [ 341.920008] ? wb_workfn+0x49b/0x1650 [ 341.920014] ? trace_hardirqs_on+0xd/0x10 [ 341.920024] wb_workfn+0x68f/0x1650 [ 341.920040] ? inode_wait_for_writeback+0x30/0x30 [ 341.925472] kmalloc-32 2279KB 3110KB [ 341.929536] ? debug_check_no_locks_freed+0x310/0x310 [ 341.934900] kmalloc-192 830KB 920KB [ 341.939873] ? debug_check_no_locks_freed+0x310/0x310 [ 341.943966] kmem_cache 202KB 202KB [ 341.949282] ? debug_smp_processor_id+0x17/0x20 [ 341.954086] Out of memory: Kill process 26618 (syz-executor3) score 999 or sacrifice child [ 341.958193] ? rcu_is_watching+0x69/0x180 [ 343.144552] ? __lock_is_held+0xb5/0x140 [ 343.148590] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 343.153148] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 343.158136] ? __lock_is_held+0xb5/0x140 [ 343.162172] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 343.167165] ? debug_object_deactivate+0x2eb/0x450 [ 343.172067] ? lock_downgrade+0x900/0x900 [ 343.176202] ? find_held_lock+0x36/0x1c0 [ 343.180238] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 343.185255] ? lock_acquire+0x1ed/0x560 [ 343.189213] ? process_one_work+0x972/0x19e0 [ 343.193612] ? __lock_is_held+0xb5/0x140 [ 343.197645] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 343.202205] process_one_work+0xa31/0x19e0 [ 343.206413] ? debug_check_no_locks_freed+0x310/0x310 [ 343.211574] ? finish_task_switch+0x1f4/0x890 [ 343.216062] ? pwq_dec_nr_in_flight+0x520/0x520 [ 343.220703] ? lock_repin_lock+0x430/0x430 [ 343.224922] ? __schedule+0x863/0x2000 [ 343.228791] ? add_lock_to_list.isra.29+0x4b0/0x4b0 [ 343.233778] ? lock_downgrade+0x900/0x900 [ 343.237904] ? wait_woken+0x280/0x280 [ 343.241678] ? lock_downgrade+0x900/0x900 [ 343.245800] ? find_held_lock+0x36/0x1c0 [ 343.249837] ? lock_acquire+0x1ed/0x560 [ 343.253814] ? worker_thread+0x45d/0x1910 [ 343.257932] ? lock_downgrade+0x900/0x900 [ 343.262054] ? lock_release+0x9b0/0x9b0 [ 343.266004] ? do_raw_spin_trylock+0x1a0/0x1a0 [ 343.270597] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.275071] worker_thread+0x217/0x1910 [ 343.279017] ? finish_task_switch+0x1f4/0x890 [ 343.283496] ? process_one_work+0x19e0/0x19e0 [ 343.288054] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 343.293051] ? finish_task_switch+0x1f4/0x890 [ 343.297518] ? finish_task_switch+0x1b5/0x890 [ 343.301989] ? copy_overflow+0x20/0x20 [ 343.305855] ? lock_repin_lock+0x430/0x430 [ 343.310067] ? __schedule+0x863/0x2000 [ 343.314076] ? pci_mmcfg_check_reserved+0x120/0x120 [ 343.319069] ? find_held_lock+0x36/0x1c0 [ 343.323124] ? find_held_lock+0x36/0x1c0 [ 343.327169] ? __schedule+0x2000/0x2000 [ 343.331134] ? preempt_schedule_common+0x1f/0xd0 [ 343.335864] ? preempt_schedule+0x4d/0x60 [ 343.339985] ? ___preempt_schedule+0x16/0x18 [ 343.344391] ? _raw_spin_unlock_irqrestore+0xbb/0xd0 [ 343.349493] kthread+0x319/0x3e0 [ 343.352835] ? process_one_work+0x19e0/0x19e0 [ 343.357333] ? kthread_bind+0x30/0x30 [ 343.361129] ret_from_fork+0x3a/0x50 [ 343.365727] Kernel Offset: disabled [ 343.369481] Rebooting in 86400 seconds..