[ 28.354095] audit: type=1800 audit(1544232965.536:27): pid=5932 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 28.386700] audit: type=1800 audit(1544232965.536:28): pid=5932 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 29.170227] audit: type=1800 audit(1544232966.416:29): pid=5932 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 29.191204] audit: type=1800 audit(1544232966.416:30): pid=5932 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 30.512322] sshd (6070) used greatest stack depth: 15600 bytes left Warning: Permanently added '10.128.0.29' (ECDSA) to the list of known hosts. 2018/12/08 01:48:00 parsed 1 programs 2018/12/08 01:48:02 executed programs: 0 [ 745.714180] IPVS: ftp: loaded support on port[0] = 21 [ 745.721318] IPVS: ftp: loaded support on port[0] = 21 [ 745.721781] IPVS: ftp: loaded support on port[0] = 21 [ 745.732775] IPVS: ftp: loaded support on port[0] = 21 [ 745.734503] IPVS: ftp: loaded support on port[0] = 21 [ 745.763805] IPVS: ftp: loaded support on port[0] = 21 [ 746.569913] bridge0: port 1(bridge_slave_0) entered blocking state [ 746.576772] bridge0: port 1(bridge_slave_0) entered disabled state [ 746.588409] device bridge_slave_0 entered promiscuous mode [ 746.616794] bridge0: port 1(bridge_slave_0) entered blocking state [ 746.624130] bridge0: port 1(bridge_slave_0) entered disabled state [ 746.631591] device bridge_slave_0 entered promiscuous mode [ 746.640429] bridge0: port 2(bridge_slave_1) entered blocking state [ 746.646784] bridge0: port 2(bridge_slave_1) entered disabled state [ 746.654024] device bridge_slave_1 entered promiscuous mode [ 746.668308] bridge0: port 1(bridge_slave_0) entered blocking state [ 746.674636] bridge0: port 1(bridge_slave_0) entered disabled state [ 746.683828] device bridge_slave_0 entered promiscuous mode [ 746.690535] bridge0: port 1(bridge_slave_0) entered blocking state [ 746.696905] bridge0: port 1(bridge_slave_0) entered disabled state [ 746.707269] device bridge_slave_0 entered promiscuous mode [ 746.713977] bridge0: port 2(bridge_slave_1) entered blocking state [ 746.720905] bridge0: port 2(bridge_slave_1) entered disabled state [ 746.728191] device bridge_slave_1 entered promiscuous mode [ 746.740441] bridge0: port 1(bridge_slave_0) entered blocking state [ 746.746791] bridge0: port 1(bridge_slave_0) entered disabled state [ 746.754111] device bridge_slave_0 entered promiscuous mode [ 746.763602] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 746.773841] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 746.783731] bridge0: port 2(bridge_slave_1) entered blocking state [ 746.790633] bridge0: port 2(bridge_slave_1) entered disabled state [ 746.797798] device bridge_slave_1 entered promiscuous mode [ 746.805289] bridge0: port 2(bridge_slave_1) entered blocking state [ 746.811835] bridge0: port 2(bridge_slave_1) entered disabled state [ 746.818937] device bridge_slave_1 entered promiscuous mode [ 746.826683] bridge0: port 1(bridge_slave_0) entered blocking state [ 746.833919] bridge0: port 1(bridge_slave_0) entered disabled state [ 746.841166] device bridge_slave_0 entered promiscuous mode [ 746.848161] bridge0: port 2(bridge_slave_1) entered blocking state [ 746.854492] bridge0: port 2(bridge_slave_1) entered disabled state [ 746.861671] device bridge_slave_1 entered promiscuous mode [ 746.869431] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 746.879033] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 746.887261] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 746.895181] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 746.905599] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 746.915510] bridge0: port 2(bridge_slave_1) entered blocking state [ 746.923031] bridge0: port 2(bridge_slave_1) entered disabled state [ 746.934763] device bridge_slave_1 entered promiscuous mode [ 746.942308] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 746.953184] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 746.962000] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 746.975658] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 747.040092] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 747.069136] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 747.094543] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 747.108503] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 747.124218] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 747.139445] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 747.155481] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 747.177384] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 747.198183] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 747.208947] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 747.219943] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 747.230997] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 747.279536] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 747.355682] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 747.364082] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 747.430892] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 747.442430] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 747.454929] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 747.465701] team0: Port device team_slave_0 added [ 747.490097] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 747.507611] team0: Port device team_slave_0 added [ 747.546181] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 747.555775] team0: Port device team_slave_1 added [ 747.566775] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 747.574840] team0: Port device team_slave_0 added [ 747.583298] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 747.602206] team0: Port device team_slave_0 added [ 747.616891] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 747.638791] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 747.646157] team0: Port device team_slave_1 added [ 747.663003] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 747.688348] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 747.697951] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 747.705316] team0: Port device team_slave_1 added [ 747.713578] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 747.721267] team0: Port device team_slave_0 added [ 747.739340] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 747.746679] team0: Port device team_slave_1 added [ 747.757475] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 747.768812] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 747.785000] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 747.792510] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 747.803552] team0: Port device team_slave_0 added [ 747.814819] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 747.824109] team0: Port device team_slave_1 added [ 747.833501] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 747.849952] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 747.859066] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 747.876070] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 747.886798] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 747.899817] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 747.913935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 747.923604] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 747.932855] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 747.940175] team0: Port device team_slave_1 added [ 747.948457] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 747.964273] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 747.976222] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 747.985637] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 747.995462] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 748.006944] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 748.025448] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 748.039278] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 748.047653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 748.061652] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 748.069331] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 748.077175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 748.084853] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 748.092991] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 748.109558] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 748.133312] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 748.141986] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 748.158541] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 748.168787] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 748.184121] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 748.192509] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 748.200761] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 748.211022] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 748.229398] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 748.242499] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 748.257791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 748.273163] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 748.281325] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 748.289248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 748.303955] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 748.321855] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 748.337965] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 748.348078] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 748.361605] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 748.370917] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 748.396811] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 748.407944] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 748.420145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 748.929912] bridge0: port 2(bridge_slave_1) entered blocking state [ 748.936395] bridge0: port 2(bridge_slave_1) entered forwarding state [ 748.943476] bridge0: port 1(bridge_slave_0) entered blocking state [ 748.949884] bridge0: port 1(bridge_slave_0) entered forwarding state [ 748.958477] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 749.038833] bridge0: port 2(bridge_slave_1) entered blocking state [ 749.045202] bridge0: port 2(bridge_slave_1) entered forwarding state [ 749.051931] bridge0: port 1(bridge_slave_0) entered blocking state [ 749.058350] bridge0: port 1(bridge_slave_0) entered forwarding state [ 749.066910] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 749.074019] bridge0: port 2(bridge_slave_1) entered blocking state [ 749.080450] bridge0: port 2(bridge_slave_1) entered forwarding state [ 749.087129] bridge0: port 1(bridge_slave_0) entered blocking state [ 749.093493] bridge0: port 1(bridge_slave_0) entered forwarding state [ 749.102370] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 749.119167] bridge0: port 2(bridge_slave_1) entered blocking state [ 749.125532] bridge0: port 2(bridge_slave_1) entered forwarding state [ 749.132248] bridge0: port 1(bridge_slave_0) entered blocking state [ 749.138651] bridge0: port 1(bridge_slave_0) entered forwarding state [ 749.149007] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 749.208361] bridge0: port 2(bridge_slave_1) entered blocking state [ 749.214727] bridge0: port 2(bridge_slave_1) entered forwarding state [ 749.221457] bridge0: port 1(bridge_slave_0) entered blocking state [ 749.227874] bridge0: port 1(bridge_slave_0) entered forwarding state [ 749.238705] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 749.247671] bridge0: port 2(bridge_slave_1) entered blocking state [ 749.254029] bridge0: port 2(bridge_slave_1) entered forwarding state [ 749.260736] bridge0: port 1(bridge_slave_0) entered blocking state [ 749.267227] bridge0: port 1(bridge_slave_0) entered forwarding state [ 749.275107] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 749.347621] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 749.355102] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 749.379291] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 749.386276] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 749.393432] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 749.400526] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 751.908758] 8021q: adding VLAN 0 to HW filter on device bond0 [ 751.919279] 8021q: adding VLAN 0 to HW filter on device bond0 [ 751.988575] 8021q: adding VLAN 0 to HW filter on device bond0 [ 752.060648] 8021q: adding VLAN 0 to HW filter on device bond0 [ 752.071330] 8021q: adding VLAN 0 to HW filter on device bond0 [ 752.100840] 8021q: adding VLAN 0 to HW filter on device bond0 [ 752.215445] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 752.225956] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 752.294871] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 752.317530] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 752.357764] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 752.375912] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 752.464828] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 752.483768] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 752.494124] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 752.507111] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 752.517464] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 752.528078] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 752.591730] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 752.601957] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 752.613525] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 752.636820] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 752.656304] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 752.671114] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 752.698010] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 752.717902] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 752.727907] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 752.739889] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 752.753912] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 752.769465] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 752.787510] 8021q: adding VLAN 0 to HW filter on device team0 [ 752.804155] 8021q: adding VLAN 0 to HW filter on device team0 [ 752.866755] 8021q: adding VLAN 0 to HW filter on device team0 [ 752.961959] 8021q: adding VLAN 0 to HW filter on device team0 [ 752.983986] 8021q: adding VLAN 0 to HW filter on device team0 [ 752.999007] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/08 01:48:11 executed programs: 6 2018/12/08 01:48:16 executed programs: 166 2018/12/08 01:48:21 executed programs: 333 2018/12/08 01:48:26 executed programs: 499 2018/12/08 01:48:32 executed programs: 660 2018/12/08 01:48:37 executed programs: 822 2018/12/08 01:48:42 executed programs: 985 2018/12/08 01:48:47 executed programs: 1142 2018/12/08 01:48:52 executed programs: 1304 2018/12/08 01:48:57 executed programs: 1460 2018/12/08 01:49:02 executed programs: 1624 2018/12/08 01:49:07 executed programs: 1786 2018/12/08 01:49:12 executed programs: 1946 2018/12/08 01:49:17 executed programs: 2104 2018/12/08 01:49:22 executed programs: 2270 2018/12/08 01:49:27 executed programs: 2432 2018/12/08 01:49:32 executed programs: 2596 2018/12/08 01:49:37 executed programs: 2760 2018/12/08 01:49:42 executed programs: 2925 2018/12/08 01:49:47 executed programs: 3093 2018/12/08 01:49:52 executed programs: 3254 [ 857.689861] syz-executor1 (20907) used greatest stack depth: 11792 bytes left [ 858.024609] syz-executor0 (20932) used greatest stack depth: 11032 bytes left [ 858.791587] syz-executor3 (20998) used greatest stack depth: 10968 bytes left 2018/12/08 01:49:57 executed programs: 3394 [ 861.311915] syz-executor1 (21196) used greatest stack depth: 10792 bytes left [ 863.065853] syz-executor4 (21413) used greatest stack depth: 7584 bytes left [ 864.639675] syz-executor1 (21546) used greatest stack depth: 7512 bytes left 2018/12/08 01:50:02 executed programs: 3511 [ 865.909811] syz-executor0 invoked oom-killer: gfp_mask=0x6002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), order=0, oom_score_adj=1000 [ 865.929106] CPU: 0 PID: 21622 Comm: syz-executor0 Not tainted 4.20.0-rc5-next-20181207+ #163 [ 865.937706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 865.947127] Call Trace: [ 865.949811] dump_stack+0x244/0x39d [ 865.953429] ? dump_stack_print_info.cold.1+0x20/0x20 [ 865.958668] dump_header+0x253/0x1239 [ 865.962501] ? mark_held_locks+0x130/0x130 [ 865.966733] ? pagefault_out_of_memory+0x19d/0x19d [ 865.971674] ? mark_held_locks+0x130/0x130 [ 865.975932] ? __lock_acquire+0x62f/0x4c20 [ 865.980153] ? print_usage_bug+0xc0/0xc0 [ 865.984202] ? graph_lock+0x270/0x270 [ 865.988024] ? print_usage_bug+0xc0/0xc0 [ 865.992099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 865.997629] ? find_held_lock+0x36/0x1c0 [ 866.001691] ? mark_held_locks+0xc7/0x130 [ 866.005863] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 866.010953] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 866.016058] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 866.020654] ? trace_hardirqs_on+0xbd/0x310 [ 866.025051] ? kasan_check_read+0x11/0x20 [ 866.029212] ? ___ratelimit+0x3b4/0x672 [ 866.033187] ? trace_hardirqs_off_caller+0x310/0x310 [ 866.038295] ? trace_hardirqs_on+0x310/0x310 [ 866.042725] ? lock_downgrade+0x900/0x900 [ 866.046905] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 866.052008] ? ___ratelimit+0x3b9/0x672 [ 866.055984] ? idr_get_free+0xf70/0xf70 [ 866.059960] ? kasan_check_read+0x11/0x20 [ 866.064105] ? do_raw_spin_unlock+0xa7/0x330 [ 866.068551] oom_kill_process.cold.27+0x10/0x903 [ 866.073800] ? graph_lock+0x270/0x270 [ 866.077606] ? _raw_spin_unlock+0x2c/0x50 [ 866.081756] ? oom_badness+0xe6/0xaa0 [ 866.085592] ? oom_evaluate_task+0x540/0x540 [ 866.090003] ? find_held_lock+0x36/0x1c0 [ 866.094073] ? out_of_memory+0xcc5/0x1480 [ 866.098220] ? lock_downgrade+0x900/0x900 [ 866.102422] ? check_preemption_disabled+0x48/0x280 [ 866.107463] ? kasan_check_read+0x11/0x20 [ 866.111639] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 866.116935] ? rcu_read_unlock_special+0x370/0x370 [ 866.121875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 866.127414] ? oom_evaluate_task+0x302/0x540 [ 866.131827] out_of_memory+0x8ba/0x1480 [ 866.135830] ? oom_killer_disable+0x3a0/0x3a0 [ 866.140377] ? __alloc_pages_slowpath+0xf84/0x2e00 [ 866.145344] ? __ww_mutex_check_waiters+0x160/0x160 [ 866.150373] __alloc_pages_slowpath+0x2354/0x2e00 [ 866.155241] ? warn_alloc+0x120/0x120 [ 866.159037] ? mark_held_locks+0x130/0x130 [ 866.163272] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 866.168872] ? should_fail+0x22d/0xd01 [ 866.172774] ? graph_lock+0x270/0x270 [ 866.176576] ? graph_lock+0x270/0x270 [ 866.180390] ? rcu_read_unlock_special+0x370/0x370 [ 866.185339] ? unwind_dump+0x190/0x190 [ 866.189231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 866.194769] ? should_fail+0x22d/0xd01 [ 866.198669] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 866.203913] ? graph_lock+0x270/0x270 [ 866.207741] ? __lock_is_held+0xb5/0x140 [ 866.211825] ? check_preemption_disabled+0x48/0x280 [ 866.216844] ? lock_release+0xa00/0xa00 [ 866.220852] ? perf_trace_sched_process_exec+0x860/0x860 [ 866.226307] ? __lock_is_held+0xb5/0x140 [ 866.230373] ? __might_sleep+0x95/0x190 [ 866.234350] __alloc_pages_nodemask+0xaed/0xec0 [ 866.239026] ? __alloc_pages_slowpath+0x2e00/0x2e00 [ 866.244041] ? graph_lock+0x270/0x270 [ 866.247869] ? __insert_vmap_area+0x550/0x550 [ 866.252373] ? kasan_unpoison_shadow+0x35/0x50 [ 866.256972] ? perf_trace_sched_process_exec+0x860/0x860 [ 866.262435] ? __lock_is_held+0xb5/0x140 [ 866.266527] ? vfree_atomic+0xe0/0xe0 [ 866.270329] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 866.275897] alloc_pages_current+0x173/0x350 [ 866.280318] __vmalloc_node_range+0x5ca/0x8d0 [ 866.284822] ? vfree_atomic+0xe0/0xe0 [ 866.288720] ? newary+0x244/0xb40 [ 866.292197] __vmalloc_node_flags_caller+0x75/0x90 [ 866.297127] ? newary+0x244/0xb40 [ 866.300617] kvmalloc_node+0xd7/0xf0 [ 866.304337] newary+0x244/0xb40 [ 866.307641] ? semctl_stat+0x5f0/0x5f0 [ 866.311545] ? lock_acquire+0x1ed/0x520 [ 866.315550] ? ipcget+0x121/0x11c0 [ 866.319098] ? lock_release+0xa00/0xa00 [ 866.323089] ? perf_trace_sched_process_exec+0x860/0x860 [ 866.328556] ? refcount_inc_checked+0x29/0x70 [ 866.333056] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 866.338607] ? down_write+0x8a/0x130 [ 866.342321] ? ipcget+0x121/0x11c0 [ 866.345859] ? down_read+0x120/0x120 [ 866.349574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 866.355156] ? perf_event_namespaces+0x136/0x400 [ 866.359937] ipcget+0x159/0x11c0 [ 866.363309] ? find_held_lock+0x36/0x1c0 [ 866.367385] ? ipc_obtain_object_check+0x130/0x130 [ 866.372345] ? lock_release+0xa00/0xa00 [ 866.376335] ? perf_trace_sched_process_exec+0x860/0x860 [ 866.381812] ? posix_ktime_get_ts+0x15/0x20 [ 866.386143] ? trace_hardirqs_off_caller+0x310/0x310 [ 866.391297] ? kasan_check_read+0x11/0x20 [ 866.395446] ? _copy_to_user+0xc8/0x110 [ 866.399440] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 866.404975] ? put_timespec64+0x10f/0x1b0 [ 866.409128] ? nsecs_to_jiffies+0x30/0x30 [ 866.413279] ksys_semget+0x1c0/0x280 [ 866.416993] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 866.421578] ? sem_exit_ns+0x40/0x40 [ 866.425299] ? trace_hardirqs_off_caller+0x310/0x310 [ 866.430407] __x64_sys_semget+0x73/0xb0 [ 866.434410] do_syscall_64+0x1b9/0x820 [ 866.438299] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 866.443688] ? syscall_return_slowpath+0x5e0/0x5e0 [ 866.448624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 866.453470] ? trace_hardirqs_on_caller+0x310/0x310 [ 866.458486] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 866.463503] ? prepare_exit_to_usermode+0x291/0x3b0 [ 866.468524] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 866.473374] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 866.478562] RIP: 0033:0x457569 [ 866.481765] Code: Bad RIP value. [ 866.485139] RSP: 002b:00007f99b9f1cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000040 [ 866.492853] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 [ 866.500124] RDX: 0000000000000000 RSI: 0000000000004007 RDI: 0000000000000000 [ 866.507388] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 866.514653] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f99b9f1d6d4 [ 866.521935] R13: 00000000004c3c0a R14: 00000000004d61e8 R15: 00000000ffffffff [ 866.531022] Mem-Info: [ 866.533515] active_anon:4128 inactive_anon:181 isolated_anon:0 [ 866.533515] active_file:255 inactive_file:399 isolated_file:17 [ 866.533515] unevictable:0 dirty:0 writeback:9 unstable:0 [ 866.533515] slab_reclaimable:14209 slab_unreclaimable:1517679 [ 866.533515] mapped:322 shmem:244 pagetables:473 bounce:0 [ 866.533515] free:24684 free_pcp:230 free_cma:0 [ 866.647902] Node 0 active_anon:16472kB inactive_anon:724kB active_file:1168kB inactive_file:1236kB unevictable:0kB isolated(anon):0kB isolated(file):68kB mapped:1400kB dirty:40kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 866.682582] syz-executor3 (21623) used greatest stack depth: 7288 bytes left [ 866.734785] 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 [ 866.775128] lowmem_reserve[]: 0 2816 6319 6319 [ 866.787293] Node 0 DMA32 free:43768kB min:30040kB low:37548kB high:45056kB active_anon:8kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2886736kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:12kB local_pcp:12kB free_cma:0kB [ 866.818163] lowmem_reserve[]: 0 0 3503 3503 [ 866.822755] Node 0 Normal free:40840kB min:37376kB low:46720kB high:56064kB active_anon:16564kB inactive_anon:724kB active_file:2560kB inactive_file:2024kB unevictable:0kB writepending:40kB present:4718592kB managed:3587560kB mlocked:0kB kernel_stack:7072kB pagetables:1856kB bounce:0kB free_pcp:1940kB local_pcp:1284kB free_cma:0kB [ 866.859194] lowmem_reserve[]: 0 0 0 0 [ 866.864269] 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 [ 866.879553] Node 0 DMA32: 4*4kB (UME) 65*8kB (UE) 48*16kB (UME) 29*32kB (UME) 13*64kB (UME) 2*128kB (M) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (ME) 6*4096kB (M) = 44024kB [ 866.899234] Node 0 Normal: 196*4kB (UM) 619*8kB (UM) 343*16kB (UM) 158*32kB (UM) 76*64kB (UM) 29*128kB (UME) 17*256kB (UME) 8*512kB (UM) 8*1024kB (ME) 0*2048kB 0*4096kB = 41496kB [ 866.918086] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 866.935115] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 866.945588] 1268 total pagecache pages [ 866.952673] 0 pages in swap cache [ 866.971846] Swap cache stats: add 0, delete 0, find 0/0 [ 866.981100] Free swap = 0kB [ 866.989455] Total swap = 0kB [ 866.993468] 1965979 pages RAM [ 866.999531] 0 pages HighMem/MovableOnly [ 867.008191] 343428 pages reserved [ 867.043587] 0 pages cma reserved [ 867.051535] Unreclaimable slab info: [ 867.065111] Name Used Total [ 867.072307] pid_2 143KB 160KB [ 867.080070] bio-3 0KB 3KB [ 867.086333] TIPC 10KB 14KB [ 867.108035] SCTPv6 14KB 16KB [ 867.122265] DCCPv6 17KB 21KB [ 867.129901] DCCP 16KB 20KB [ 867.137520] bridge_fdb_cache 11KB 15KB [ 867.143503] fib6_nodes 77KB 80KB [ 867.151182] ip6_dst_cache 50KB 161KB [ 867.169136] RAWv6 68KB 71KB [ 867.187755] UDPv6 3KB 3KB [ 867.195273] TCPv6 23KB 23KB [ 867.202843] nf_conntrack 0KB 3KB [ 867.211185] sd_ext_cdb 0KB 3KB [ 867.218392] scsi_sense_cache 1056KB 1060KB [ 867.224365] virtio_scsi_cmd 16KB 16KB [ 867.232092] sgpool-128 8KB 8KB [ 867.267082] sgpool-64 4KB 6KB [ 867.272463] sgpool-32 2KB 7KB [ 867.289695] sgpool-16 1KB 3KB [ 867.295273] sgpool-8 0KB 3KB [ 867.311593] mqueue_inode_cache 10KB 14KB [ 867.323881] bio_post_read_ctx 14KB 15KB [ 867.330945] bio-2 14KB 15KB [ 867.338521] jfs_mp 7KB 7KB [ 867.344111] nfs_commit_data 3KB 7KB [ 867.349649] nfs_write_data 32KB 32KB [ 867.355123] ext4_system_zone 0KB 3KB [ 867.360614] bio_post_read_ctx 14KB 15KB [ 867.367157] bio-1 1KB 3KB [ 867.373468] pid_namespace 2KB 7KB [ 867.380210] rpc_buffers 17KB 19KB [ 867.386523] rpc_tasks 2KB 3KB [ 867.398523] UNIX 9KB 14KB [ 867.414415] tcp_bind_bucket 1KB 4KB [ 867.422645] ip_fib_trie 11KB 15KB [ 867.430490] ip_fib_alias 52KB 55KB [ 867.437098] ip_dst_cache 1KB 8KB [ 867.445763] RAW 40KB 43KB [ 867.453429] UDP 16KB 26KB [ 867.462390] TCP 5KB 5KB [ 867.471814] hugetlbfs_inode_cache 2KB 7KB [ 867.480534] fscache_cookie_jar 1KB 3KB [ 867.515136] eventpoll_pwq 51KB 51KB [ 867.561358] eventpoll_epi 94KB 94KB [ 867.589238] inotify_inode_mark 90KB 90KB [ 867.601238] request_queue 138KB 147KB [ 867.608536] blkdev_ioc 30KB 30KB [ 867.614909] bio-0 1293KB 1293KB [ 867.655468] biovec-max 2706KB 2706KB [ 867.663364] biovec-64 582KB 582KB [ 867.684078] biovec-16 157KB 157KB [ 867.690673] bio_integrity_payload 1KB 3KB [ 867.698492] khugepaged_mm_slot 0KB 3KB [ 867.706908] dmaengine-unmap-256 2KB 6KB [ 867.720839] dmaengine-unmap-128 1KB 3KB [ 867.726915] dmaengine-unmap-16 0KB 4KB [ 867.733969] dmaengine-unmap-2 0KB 3KB [ 867.740510] skbuff_fclone_cache 3KB 3KB [ 867.747870] skbuff_head_cache 590KB 1743KB [ 867.756771] configfs_dir_cache 0KB 4KB [ 867.770876] file_lock_cache 0KB 3KB [ 867.776837] file_lock_ctx 0KB 3KB [ 867.793045] fsnotify_mark_connector 55KB 55KB [ 867.805030] net_namespace 52KB 52KB [ 867.812720] shmem_inode_cache 5996KB 6057KB [ 867.819484] task_delay_info 131KB 496KB [ 867.825791] taskstats 163KB 163KB [ 867.832221] proc_dir_entry 578KB 581KB [ 867.838308] pde_opener 0KB 3KB [ 867.844581] seq_file 317KB 342KB [ 867.851032] sigqueue 46KB 212KB [ 867.859602] kernfs_node_cache 11484KB 11489KB [ 867.865928] mnt_cache 6257KB 6460KB [ 867.873015] filp 4316KB 6911KB [ 867.880097] names_cache 107253KB 107253KB [ 867.885948] iint_cache 83KB 83KB [ 867.893516] key_jar 3KB 7KB [ 867.899816] uts_namespace 2KB 7KB [ 867.905610] nsproxy 72KB 75KB [ 867.911924] vm_area_struct 7675KB 12297KB [ 867.918764] mm_struct 1287KB 3321KB [ 867.924726] fs_cache 123KB 472KB [ 867.938110] files_cache 414KB 1068KB [ 867.945074] signal_cache 805KB 2048KB [ 867.954521] sighand_cache 527KB 527KB [ 867.963960] task_struct 3335KB 3390KB [ 867.974043] cred_jar 697KB 2304KB [ 867.981261] anon_vma_chain 4822KB 6882KB [ 868.002611] anon_vma 205KB 346KB [ 868.018302] pid 84KB 276KB [ 868.035021] Acpi-Operand 106KB 158KB [ 868.056753] Acpi-Namespace 19KB 23KB [ 868.067044] numa_policy 0KB 3KB [ 868.075914] trace_event_file 262KB 262KB [ 868.091845] ftrace_event_field 377KB 378KB [ 868.098499] pool_workqueue 87KB 88KB [ 868.105453] task_group 5KB 7KB [ 868.113607] debug_objects_cache 889KB 896KB [ 868.119903] page->ptl 1277KB 3265KB [ 868.127243] kmalloc-4M 5664768KB 5664768KB [ 868.132759] kmalloc-2M 2050KB 2050KB [ 868.139304] kmalloc-512k 2056KB 2056KB [ 868.144708] kmalloc-256k 516KB 516KB [ 868.150270] kmalloc-128k 520KB 520KB [ 868.155670] kmalloc-64k 594KB 594KB [ 868.161113] kmalloc-32k 1254KB 1254KB [ 868.166491] kmalloc-16k 379KB 379KB [ 868.171926] kmalloc-8k 1683KB 1683KB [ 868.177338] kmalloc-4k 19371KB 19409KB [ 868.182711] kmalloc-2k 7939KB 10142KB [ 868.188167] kmalloc-1k 6405KB 7032KB [ 868.193547] kmalloc-512 3466KB 6187KB [ 868.199010] kmalloc-256 2935KB 2940KB [ 868.204897] kmalloc-128 1519KB 1519KB [ 868.210328] kmalloc-96 3258KB 3648KB [ 868.215702] kmalloc-64 2201KB 2284KB [ 868.221116] kmalloc-32 2997KB 3173KB [ 868.226590] kmalloc-192 873KB 928KB [ 868.232037] kmem_cache 220KB 221KB [ 868.237459] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=syz0,mems_allowed=0 [ 868.237546] ,global_oom,task_memcg=/syz0,task=syz-executor0,pid=21620,uid=0 [ 868.253259] Out of memory: Kill process 21620 (syz-executor0) score 999 or sacrifice child [ 868.263881] Killed process 21622 (syz-executor0) total-vm:37836kB, anon-rss:124kB, file-rss:96kB, shmem-rss:0kB [ 868.276534] oom_reaper: reaped process 21622 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 868.747384] oom_reaper: reaped process 21661 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 868.998865] syz-executor0 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), order=1, oom_score_adj=0 [ 869.023022] CPU: 1 PID: 6106 Comm: syz-executor0 Not tainted 4.20.0-rc5-next-20181207+ #163 [ 869.031530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 869.040883] Call Trace: [ 869.043474] dump_stack+0x244/0x39d [ 869.047106] ? dump_stack_print_info.cold.1+0x20/0x20 [ 869.052311] dump_header+0x253/0x1239 [ 869.056110] ? mark_held_locks+0x130/0x130 [ 869.060356] ? pagefault_out_of_memory+0x19d/0x19d [ 869.065287] ? mark_held_locks+0x130/0x130 [ 869.069535] ? __lock_acquire+0x62f/0x4c20 [ 869.073948] ? compaction_suitable+0x550/0x550 [ 869.078542] ? mark_held_locks+0xc7/0x130 [ 869.082713] ? graph_lock+0x270/0x270 [ 869.086531] ? print_usage_bug+0xc0/0xc0 [ 869.090590] ? retint_kernel+0x2d/0x2d [ 869.094496] ? trace_hardirqs_on_caller+0xc0/0x310 [ 869.099447] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 869.104205] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 869.109654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 869.115218] ? find_held_lock+0x36/0x1c0 [ 869.119285] ? mark_held_locks+0xc7/0x130 [ 869.123432] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 869.128535] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 869.133638] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 869.138233] ? trace_hardirqs_on+0xbd/0x310 [ 869.142556] ? kasan_check_read+0x11/0x20 [ 869.146721] ? ___ratelimit+0x3b4/0x672 [ 869.150715] ? trace_hardirqs_off_caller+0x310/0x310 [ 869.155819] ? trace_hardirqs_on+0x310/0x310 [ 869.160230] ? lock_downgrade+0x900/0x900 [ 869.164379] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 869.169497] ? ___ratelimit+0x3b9/0x672 [ 869.173492] ? idr_get_free+0xf70/0xf70 [ 869.177463] ? kasan_check_read+0x11/0x20 [ 869.181615] ? do_raw_spin_unlock+0xa7/0x330 [ 869.186085] oom_kill_process.cold.27+0x10/0x903 [ 869.190851] ? graph_lock+0x270/0x270 [ 869.194651] ? _raw_spin_unlock+0x2c/0x50 [ 869.198825] ? oom_badness+0xe6/0xaa0 [ 869.202627] ? kasan_check_read+0x11/0x20 [ 869.206779] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 869.212060] ? oom_evaluate_task+0x540/0x540 [ 869.216503] ? find_held_lock+0x36/0x1c0 [ 869.220587] ? out_of_memory+0xcc5/0x1480 [ 869.224739] ? lock_downgrade+0x900/0x900 [ 869.228892] ? check_preemption_disabled+0x48/0x280 [ 869.233914] ? kasan_check_read+0x11/0x20 [ 869.238124] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 869.243400] ? rcu_read_unlock_special+0x370/0x370 [ 869.248349] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 869.253883] ? oom_evaluate_task+0x302/0x540 [ 869.258300] out_of_memory+0x8ba/0x1480 [ 869.262283] ? oom_killer_disable+0x3a0/0x3a0 [ 869.266787] ? __alloc_pages_slowpath+0xf84/0x2e00 [ 869.271724] ? __ww_mutex_check_waiters+0x160/0x160 [ 869.276752] __alloc_pages_slowpath+0x2354/0x2e00 [ 869.281621] ? warn_alloc+0x120/0x120 [ 869.285440] ? mark_held_locks+0x130/0x130 [ 869.289710] ? warn_alloc+0x120/0x120 [ 869.293529] ? print_usage_bug+0xc0/0xc0 [ 869.297593] ? lock_downgrade+0x900/0x900 [ 869.301746] ? print_usage_bug+0xc0/0xc0 [ 869.305813] ? print_usage_bug+0xc0/0xc0 [ 869.309879] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 869.315417] ? should_fail+0x22d/0xd01 [ 869.319309] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 869.324412] ? graph_lock+0x270/0x270 [ 869.328238] ? find_held_lock+0x36/0x1c0 [ 869.332312] ? lock_release+0xa00/0xa00 [ 869.336287] ? perf_trace_sched_process_exec+0x860/0x860 [ 869.341750] ? check_preemption_disabled+0x48/0x280 [ 869.346774] ? __might_sleep+0x95/0x190 [ 869.350756] __alloc_pages_nodemask+0xaed/0xec0 [ 869.355422] ? graph_lock+0x270/0x270 [ 869.359231] ? __alloc_pages_slowpath+0x2e00/0x2e00 [ 869.364256] ? find_held_lock+0x36/0x1c0 [ 869.368325] ? cache_grow_begin+0x65/0x8c0 [ 869.372557] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 869.377142] ? trace_hardirqs_on+0xbd/0x310 [ 869.381466] ? fallback_alloc+0x204/0x2e0 [ 869.385616] ? trace_hardirqs_off_caller+0x310/0x310 [ 869.390729] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 869.396274] cache_grow_begin+0xa5/0x8c0 [ 869.400334] ? do_raw_spin_unlock+0xa7/0x330 [ 869.404749] fallback_alloc+0x204/0x2e0 [ 869.408729] ____cache_alloc_node+0x1c7/0x1e0 [ 869.413232] kmem_cache_alloc+0x1f6/0x730 [ 869.417437] ? cap_capable+0x1f9/0x260 [ 869.421367] getname_flags+0xd0/0x590 [ 869.425175] user_path_mountpoint_at+0x27/0x40 [ 869.429810] ksys_umount+0x1c5/0x1260 [ 869.433638] ? __detach_mounts+0x430/0x430 [ 869.437879] ? lock_downgrade+0x900/0x900 [ 869.442031] ? kasan_check_read+0x11/0x20 [ 869.446178] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 869.451462] ? rcu_read_unlock_special+0x370/0x370 [ 869.456390] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 869.461933] ? check_preemption_disabled+0x48/0x280 [ 869.466959] ? kasan_check_write+0x14/0x20 [ 869.471210] ? up_read+0x225/0x2c0 [ 869.474759] ? up_read_non_owner+0x100/0x100 [ 869.479175] ? do_syscall_64+0x9a/0x820 [ 869.483156] ? do_syscall_64+0x9a/0x820 [ 869.487140] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 869.491739] ? trace_hardirqs_on+0xbd/0x310 [ 869.496090] ? __ia32_sys_read+0xb0/0xb0 [ 869.500155] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 869.505522] ? trace_hardirqs_off_caller+0x310/0x310 [ 869.510691] __x64_sys_umount+0x54/0x80 [ 869.514680] do_syscall_64+0x1b9/0x820 [ 869.518569] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 869.523936] ? syscall_return_slowpath+0x5e0/0x5e0 [ 869.528869] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 869.533730] ? trace_hardirqs_on_caller+0x310/0x310 [ 869.538751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 869.544293] ? prepare_exit_to_usermode+0x291/0x3b0 [ 869.549317] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 869.554169] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 869.559364] RIP: 0033:0x459fb7 [ 869.562570] Code: Bad RIP value. [ 869.565937] RSP: 002b:00007ffd923f90d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 869.573643] RAX: ffffffffffffffda RBX: 00000000000d408f RCX: 0000000000459fb7 [ 869.580934] RDX: 000000000000000c RSI: 0000000000000002 RDI: 00007ffd923fa210 [ 869.588203] RBP: 00000000000007d8 R08: 0000000000000001 R09: 000000000279f940 [ 869.595481] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd923fa210 [ 869.602768] R13: 00000000000d403c R14: 0000000000000000 R15: 0000000000000000 [ 869.616890] Mem-Info: [ 869.619694] active_anon:4126 inactive_anon:183 isolated_anon:0 [ 869.619694] active_file:44 inactive_file:21 isolated_file:1 [ 869.619694] unevictable:0 dirty:3 writeback:0 unstable:0 [ 869.619694] slab_reclaimable:14404 slab_unreclaimable:1516968 [ 869.619694] mapped:19 shmem:244 pagetables:457 bounce:0 [ 869.619694] free:24902 free_pcp:5 free_cma:0 [ 869.660380] Node 0 active_anon:16504kB inactive_anon:732kB active_file:100kB inactive_file:460kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:100kB dirty:8kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 869.723222] syz-executor4 (21662) used greatest stack depth: 5464 bytes left [ 869.733807] 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 [ 869.779171] lowmem_reserve[]: 0 2816 6319 6319 [ 869.799622] Node 0 DMA32 free:43904kB min:30040kB low:37548kB high:45056kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2886736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 869.844670] lowmem_reserve[]: 0 0 3503 3503 [ 869.857106] Node 0 Normal free:38628kB min:37376kB low:46720kB high:56064kB active_anon:16504kB inactive_anon:732kB active_file:604kB inactive_file:948kB unevictable:0kB writepending:8kB present:4718592kB managed:3587560kB mlocked:0kB kernel_stack:7168kB pagetables:1828kB bounce:0kB free_pcp:964kB local_pcp:572kB free_cma:0kB [ 869.886424] lowmem_reserve[]: 0 0 0 0 [ 869.893272] 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 [ 869.929247] Node 0 DMA32: 6*4kB (UME) 81*8kB (UE) 49*16kB (UME) 29*32kB (UME) 13*64kB (UME) 2*128kB (M) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (ME) 6*4096kB (M) = 44176kB [ 869.968049] Node 0 Normal: 0*4kB 663*8kB (UMEH) 377*16kB (UM) 143*32kB (UM) 73*64kB (UME) 26*128kB (UME) 13*256kB (M) 8*512kB (UME) 6*1024kB (UME) 1*2048kB (M) 0*4096kB = 39528kB [ 869.989795] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 869.999011] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 870.007878] 989 total pagecache pages [ 870.011736] 0 pages in swap cache [ 870.015191] Swap cache stats: add 0, delete 0, find 0/0 [ 870.021710] Free swap = 0kB [ 870.024827] Total swap = 0kB [ 870.028007] 1965979 pages RAM [ 870.031120] 0 pages HighMem/MovableOnly [ 870.035087] 343428 pages reserved [ 870.040535] 0 pages cma reserved [ 870.044931] Unreclaimable slab info: [ 870.050787] Name Used Total [ 870.056379] pid_2 141KB 160KB [ 870.064700] bio-3 0KB 3KB [ 870.075078] TIPC 10KB 14KB [ 870.083792] SCTPv6 14KB 16KB [ 870.090201] DCCPv6 17KB 21KB [ 870.102544] DCCP 16KB 20KB [ 870.139083] bridge_fdb_cache 11KB 15KB [ 870.145324] fib6_nodes 77KB 80KB [ 870.157505] ip6_dst_cache 51KB 161KB [ 870.162980] RAWv6 68KB 71KB [ 870.168878] UDPv6 3KB 3KB [ 870.174431] TCPv6 23KB 23KB [ 870.182596] nf_conntrack 0KB 3KB [ 870.200007] sd_ext_cdb 0KB 3KB [ 870.222995] scsi_sense_cache 1056KB 1060KB [ 870.233388] virtio_scsi_cmd 16KB 16KB [ 870.240781] sgpool-128 8KB 8KB 2018/12/08 01:50:07 executed programs: 3532 [ 870.266341] sgpool-64 4KB 6KB [ 870.269997] blkid (21671) used greatest stack depth: 3768 bytes left [ 870.274481] sgpool-32 2KB 7KB [ 870.283677] sgpool-16 1KB 3KB [ 870.299571] sgpool-8 0KB 3KB [ 870.312701] mqueue_inode_cache 10KB 14KB [ 870.320033] bio_post_read_ctx 14KB 15KB [ 870.325454] bio-2 14KB 15KB [ 870.343461] jfs_mp 7KB 7KB [ 870.349232] nfs_commit_data 3KB 7KB [ 870.358462] nfs_write_data 32KB 32KB [ 870.364634] ext4_system_zone 0KB 3KB [ 870.371321] bio_post_read_ctx 14KB 15KB [ 870.382064] bio-1 1KB 3KB [ 870.389868] pid_namespace 2KB 7KB [ 870.421944] rpc_buffers 17KB 19KB [ 870.439401] rpc_tasks 2KB 3KB [ 870.453057] UNIX 9KB 14KB [ 870.468739] tcp_bind_bucket 1KB 4KB [ 870.481585] ip_fib_trie 11KB 15KB [ 870.488041] ip_fib_alias 52KB 55KB [ 870.501006] ip_dst_cache 1KB 8KB [ 870.519384] RAW 40KB 43KB [ 870.534231] UDP 16KB 26KB [ 870.540669] TCP 5KB 5KB [ 870.546840] hugetlbfs_inode_cache 2KB 7KB [ 870.579360] fscache_cookie_jar 1KB 3KB [ 870.594516] eventpoll_pwq 51KB 51KB [ 870.602693] eventpoll_epi 94KB 94KB [ 870.637592] inotify_inode_mark 90KB 90KB [ 870.681802] request_queue 138KB 147KB [ 870.694762] blkdev_ioc 34KB 34KB [ 870.702735] bio-0 2062KB 2062KB [ 870.708334] biovec-max 3250KB 3250KB [ 870.713874] biovec-64 960KB 960KB [ 870.719423] biovec-16 307KB 307KB [ 870.724808] bio_integrity_payload 1KB 3KB [ 870.730595] khugepaged_mm_slot 0KB 3KB [ 870.736104] dmaengine-unmap-256 2KB 6KB [ 870.741703] dmaengine-unmap-128 1KB 3KB [ 870.756932] dmaengine-unmap-16 0KB 4KB [ 870.768019] dmaengine-unmap-2 0KB 3KB [ 870.774520] skbuff_fclone_cache 3KB 3KB [ 870.786019] skbuff_head_cache 576KB 1732KB [ 870.796712] configfs_dir_cache 0KB 4KB [ 870.803077] file_lock_cache 0KB 3KB [ 870.809406] file_lock_ctx 0KB 3KB [ 870.814871] fsnotify_mark_connector 55KB 55KB [ 870.821605] net_namespace 52KB 52KB [ 870.827126] shmem_inode_cache 5955KB 6053KB [ 870.832645] task_delay_info 131KB 496KB [ 870.838340] taskstats 163KB 163KB [ 870.843818] proc_dir_entry 578KB 581KB [ 870.850513] pde_opener 0KB 3KB [ 870.855971] seq_file 315KB 342KB [ 870.861548] sigqueue 46KB 212KB [ 870.880574] kernfs_node_cache 11484KB 11489KB [ 870.896765] mnt_cache 6203KB 6460KB [ 870.964966] filp 4248KB 6885KB [ 870.978622] names_cache 105089KB 105089KB [ 870.984065] iint_cache 91KB 91KB [ 870.997056] key_jar 3KB 7KB [ 871.003322] uts_namespace 2KB 7KB [ 871.029542] nsproxy 69KB 75KB [ 871.037438] vm_area_struct 7536KB 12278KB [ 871.044623] mm_struct 1254KB 3295KB [ 871.051423] fs_cache 123KB 472KB [ 871.058046] files_cache 401KB 1068KB [ 871.063425] signal_cache 794KB 2026KB [ 871.069809] sighand_cache 527KB 527KB [ 871.076417] task_struct 3310KB 3366KB [ 871.126887] cred_jar 673KB 2284KB [ 871.139534] anon_vma_chain 4749KB 6878KB [ 871.147822] anon_vma 205KB 346KB [ 871.153543] pid 84KB 276KB [ 871.159580] Acpi-Operand 106KB 158KB [ 871.165390] Acpi-Namespace 19KB 23KB [ 871.171555] numa_policy 0KB 3KB [ 871.177455] trace_event_file 262KB 262KB [ 871.183013] ftrace_event_field 377KB 378KB [ 871.194079] pool_workqueue 87KB 88KB [ 871.200167] task_group 5KB 7KB [ 871.208278] debug_objects_cache 889KB 896KB [ 871.216254] page->ptl 1261KB 3257KB [ 871.221911] kmalloc-4M 5664768KB 5664768KB [ 871.227556] kmalloc-2M 2050KB 2050KB [ 871.233134] kmalloc-512k 2056KB 2056KB [ 871.244265] kmalloc-256k 516KB 516KB [ 871.250221] kmalloc-128k 520KB 520KB [ 871.255826] kmalloc-64k 594KB 594KB [ 871.269651] kmalloc-32k 1254KB 1254KB [ 871.295064] kmalloc-16k 379KB 379KB [ 871.307829] kmalloc-8k 1683KB 1683KB [ 871.319369] kmalloc-4k 19137KB 19159KB [ 871.332190] kmalloc-2k 7896KB 10110KB [ 871.337804] kmalloc-1k 6432KB 7032KB [ 871.343425] kmalloc-512 3439KB 6180KB [ 871.348849] kmalloc-256 2929KB 2940KB [ 871.354244] kmalloc-128 1501KB 1519KB [ 871.360002] kmalloc-96 3385KB 3648KB [ 871.365391] kmalloc-64 2201KB 2284KB [ 871.370796] kmalloc-32 2993KB 3173KB [ 871.377020] kmalloc-192 873KB 928KB [ 871.383100] kmem_cache 220KB 221KB [ 871.388524] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=syz0,mems_allowed=0 [ 871.388577] ,global_oom,task_memcg=/syz5,task=syz-executor5,pid=21667,uid=0 [ 871.406742] Out of memory: Kill process 21667 (syz-executor5) score 999 or sacrifice child [ 872.216898] udevd invoked oom-killer: gfp_mask=0x7080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=3, oom_score_adj=-1000 [ 872.228080] CPU: 1 PID: 7664 Comm: udevd Not tainted 4.20.0-rc5-next-20181207+ #163 [ 872.235886] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 872.245240] Call Trace: [ 872.247837] dump_stack+0x244/0x39d [ 872.251478] ? dump_stack_print_info.cold.1+0x20/0x20 [ 872.256696] dump_header+0x253/0x1239 [ 872.260528] ? mark_held_locks+0x130/0x130 [ 872.264790] ? pagefault_out_of_memory+0x19d/0x19d [ 872.269730] ? mark_held_locks+0x130/0x130 [ 872.273982] ? mark_held_locks+0x130/0x130 [ 872.278231] ? __lock_acquire+0x62f/0x4c20 [ 872.282473] ? compaction_suitable+0x550/0x550 [ 872.287095] ? __sched_text_start+0x8/0x8 [ 872.291256] ? print_usage_bug+0xc0/0xc0 [ 872.295330] ? graph_lock+0x270/0x270 [ 872.299144] ? print_usage_bug+0xc0/0xc0 [ 872.303226] ? __lock_acquire+0x62f/0x4c20 [ 872.307476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 872.313029] ? find_held_lock+0x36/0x1c0 [ 872.317108] ? mark_held_locks+0xc7/0x130 [ 872.321291] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 872.326419] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 872.331534] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 872.336120] ? trace_hardirqs_on+0xbd/0x310 [ 872.340433] ? kasan_check_read+0x11/0x20 [ 872.344572] ? ___ratelimit+0x3b4/0x672 [ 872.348547] ? trace_hardirqs_off_caller+0x310/0x310 [ 872.353680] ? trace_hardirqs_on+0x310/0x310 [ 872.358096] ? lock_downgrade+0x900/0x900 [ 872.362249] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 872.367337] ? ___ratelimit+0x3b9/0x672 [ 872.371297] ? idr_get_free+0xf70/0xf70 [ 872.375275] ? kasan_check_read+0x11/0x20 [ 872.379409] ? do_raw_spin_unlock+0xa7/0x330 [ 872.383812] oom_kill_process.cold.27+0x10/0x903 [ 872.388554] ? graph_lock+0x270/0x270 [ 872.392351] ? _raw_spin_unlock+0x2c/0x50 [ 872.396497] ? oom_badness+0xe6/0xaa0 [ 872.400298] ? oom_evaluate_task+0x540/0x540 [ 872.404718] ? find_held_lock+0x36/0x1c0 [ 872.408785] ? out_of_memory+0xcc5/0x1480 [ 872.412918] ? lock_downgrade+0x900/0x900 [ 872.417112] ? check_preemption_disabled+0x48/0x280 [ 872.422146] ? kasan_check_read+0x11/0x20 [ 872.426278] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 872.431539] ? rcu_read_unlock_special+0x370/0x370 [ 872.436466] ? kasan_check_write+0x14/0x20 [ 872.440725] ? oom_evaluate_task+0x302/0x540 [ 872.445130] out_of_memory+0x8ba/0x1480 [ 872.449106] ? oom_killer_disable+0x3a0/0x3a0 [ 872.453590] ? __alloc_pages_slowpath+0xf84/0x2e00 [ 872.458509] ? __ww_mutex_check_waiters+0x160/0x160 [ 872.463518] __alloc_pages_slowpath+0x2354/0x2e00 [ 872.468348] ? _raw_spin_unlock_irq+0x27/0x80 [ 872.472835] ? trace_hardirqs_off_caller+0x310/0x310 [ 872.477931] ? warn_alloc+0x120/0x120 [ 872.481727] ? mark_held_locks+0x130/0x130 [ 872.485980] ? find_held_lock+0x36/0x1c0 [ 872.490045] ? lock_downgrade+0x900/0x900 [ 872.494197] ? check_preemption_disabled+0x48/0x280 [ 872.499204] ? kasan_check_read+0x11/0x20 [ 872.503339] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 872.508604] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 872.514159] ? should_fail+0x22d/0xd01 [ 872.518050] ? rcu_read_unlock_special+0x370/0x370 [ 872.522978] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 872.528064] ? graph_lock+0x270/0x270 [ 872.531957] ? kernel_text_address+0x79/0xf0 [ 872.536358] ? unwind_get_return_address+0x61/0xa0 [ 872.541276] ? find_held_lock+0x36/0x1c0 [ 872.545366] ? lock_release+0xa00/0xa00 [ 872.549342] ? perf_trace_sched_process_exec+0x860/0x860 [ 872.554776] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 872.560131] ? rcu_softirq_qs+0x20/0x20 [ 872.564102] ? __might_sleep+0x95/0x190 [ 872.568063] __alloc_pages_nodemask+0xaed/0xec0 [ 872.572722] ? __alloc_pages_slowpath+0x2e00/0x2e00 [ 872.577740] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 872.583281] ? check_preemption_disabled+0x48/0x280 [ 872.588321] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 872.593849] ? rcu_pm_notify+0xc0/0xc0 [ 872.597748] ? copy_process+0x2027/0x87a0 [ 872.601889] ? rcu_read_lock_sched_held+0x14f/0x180 [ 872.606903] ? kmem_cache_alloc_node+0x34d/0x730 [ 872.611675] ? lock_downgrade+0x900/0x900 [ 872.615831] ? check_preemption_disabled+0x48/0x280 [ 872.620842] copy_process+0xa09/0x87a0 [ 872.624714] ? rcu_read_unlock_special+0x370/0x370 [ 872.629697] ? __unlock_page_memcg+0x70/0x100 [ 872.634213] ? unlock_page_memcg+0x2c/0x40 [ 872.638468] ? __cleanup_sighand+0x70/0x70 [ 872.642713] ? mark_held_locks+0x130/0x130 [ 872.646933] ? up_read_non_owner+0x100/0x100 [ 872.651333] ? graph_lock+0x270/0x270 [ 872.655124] ? mark_held_locks+0x130/0x130 [ 872.659344] ? put_and_wait_on_page_locked+0x170/0x170 [ 872.664609] ? lock_acquire+0x1ed/0x520 [ 872.668568] ? alloc_set_pte+0x1447/0x1f00 [ 872.672793] ? kasan_check_write+0x14/0x20 [ 872.677031] ? do_raw_spin_lock+0x14f/0x350 [ 872.681348] ? rwlock_bug.part.2+0x90/0x90 [ 872.685584] ? __lock_is_held+0xb5/0x140 [ 872.689647] ? alloc_set_pte+0xdee/0x1f00 [ 872.693827] ? graph_lock+0x270/0x270 [ 872.697631] ? reacquire_held_locks+0x137/0x510 [ 872.702295] ? alloc_set_pte+0x1447/0x1f00 [ 872.706530] ? find_held_lock+0x13f/0x1c0 [ 872.710720] ? filemap_map_pages+0xd6b/0x1a20 [ 872.715226] ? lock_downgrade+0x900/0x900 [ 872.719371] ? check_preemption_disabled+0x48/0x280 [ 872.724381] ? kasan_check_read+0x11/0x20 [ 872.728516] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 872.733781] ? rcu_read_unlock_special+0x370/0x370 [ 872.738702] ? filemap_map_pages+0xd92/0x1a20 [ 872.743196] ? find_get_entries_tag+0x1400/0x1400 [ 872.748048] ? print_usage_bug+0xc0/0xc0 [ 872.752165] ? ext4_filemap_fault+0x8d/0xad [ 872.756482] ? lock_downgrade+0x900/0x900 [ 872.760633] ? perf_trace_sched_process_exec+0x860/0x860 [ 872.766103] ? print_usage_bug+0xc0/0xc0 [ 872.770163] ? graph_lock+0x270/0x270 [ 872.773960] ? up_read+0x77/0x2c0 [ 872.777437] ? find_held_lock+0x36/0x1c0 [ 872.781494] ? __handle_mm_fault+0x46e8/0x5b70 [ 872.786063] ? lock_downgrade+0x900/0x900 [ 872.790217] ? kasan_check_read+0x11/0x20 [ 872.794367] ? do_raw_spin_unlock+0xa7/0x330 [ 872.798761] ? do_raw_spin_trylock+0x270/0x270 [ 872.803328] ? expand_files.part.8+0x571/0x9a0 [ 872.807974] ? apparmor_file_alloc_security+0x17b/0xac0 [ 872.813362] ? _raw_spin_unlock+0x2c/0x50 [ 872.817533] ? __handle_mm_fault+0xa57/0x5b70 [ 872.822077] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 872.826934] ? find_held_lock+0x36/0x1c0 [ 872.831044] ? __fd_install+0x2b5/0x8f0 [ 872.835029] ? graph_lock+0x270/0x270 [ 872.838843] ? graph_lock+0x270/0x270 [ 872.842650] ? graph_lock+0x270/0x270 [ 872.846481] ? rcu_softirq_qs+0x20/0x20 [ 872.850471] ? find_held_lock+0x36/0x1c0 [ 872.854554] _do_fork+0x1cb/0x11d0 [ 872.858102] ? fork_idle+0x1d0/0x1d0 [ 872.861819] ? kasan_check_read+0x11/0x20 [ 872.865956] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 872.871220] ? rcu_read_unlock_special+0x370/0x370 [ 872.876135] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 872.881672] ? check_preemption_disabled+0x48/0x280 [ 872.886697] ? kasan_check_write+0x14/0x20 [ 872.890929] ? up_read+0x225/0x2c0 [ 872.894467] ? up_read_non_owner+0x100/0x100 [ 872.898876] ? do_syscall_64+0x9a/0x820 [ 872.902854] ? do_syscall_64+0x9a/0x820 [ 872.906826] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 872.911423] ? trace_hardirqs_on+0xbd/0x310 [ 872.915750] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 872.921100] ? trace_hardirqs_off_caller+0x310/0x310 [ 872.926221] __x64_sys_clone+0xbf/0x150 [ 872.930234] do_syscall_64+0x1b9/0x820 [ 872.934115] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 872.939479] ? syscall_return_slowpath+0x5e0/0x5e0 [ 872.944415] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 872.949257] ? trace_hardirqs_on_caller+0x310/0x310 [ 872.954257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 872.959782] ? prepare_exit_to_usermode+0x291/0x3b0 [ 872.964791] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 872.969684] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 872.974884] RIP: 0033:0x7f1f98905f46 [ 872.978599] Code: Bad RIP value. [ 872.981955] RSP: 002b:00007ffde56581f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 872.989650] RAX: ffffffffffffffda RBX: 00007ffde56581f0 RCX: 00007f1f98905f46 [ 872.996928] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 873.004191] RBP: 00007ffde5658250 R08: 0000000000001df0 R09: 0000000000001df0 [ 873.011471] R10: 00007f1f99222a70 R11: 0000000000000246 R12: 0000000000000000 [ 873.018737] R13: 00007ffde5658210 R14: 0000000000000005 R15: 0000000000000005 [ 873.027732] Mem-Info: [ 873.030196] active_anon:4103 inactive_anon:183 isolated_anon:0 [ 873.030196] active_file:64 inactive_file:105 isolated_file:0 [ 873.030196] unevictable:0 dirty:11 writeback:0 unstable:0 [ 873.030196] slab_reclaimable:14538 slab_unreclaimable:1516381 [ 873.030196] mapped:69 shmem:244 pagetables:447 bounce:0 [ 873.030196] free:24471 free_pcp:124 free_cma:0 [ 873.063225] Node 0 active_anon:16444kB inactive_anon:732kB active_file:180kB inactive_file:220kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:224kB dirty:8kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 873.090508] 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 [ 873.116762] lowmem_reserve[]: 0 2816 6319 6319 [ 873.121463] Node 0 DMA32 free:43896kB min:30040kB low:37548kB high:45056kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2886736kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 873.162201] lowmem_reserve[]: 0 0 3503 3503 [ 873.166548] Node 0 Normal free:37072kB min:51712kB low:61056kB high:70400kB active_anon:16444kB inactive_anon:732kB active_file:60kB inactive_file:100kB unevictable:0kB writepending:8kB present:4718592kB managed:3587560kB mlocked:0kB kernel_stack:7072kB pagetables:1800kB bounce:0kB free_pcp:272kB local_pcp:268kB free_cma:0kB [ 873.223948] lowmem_reserve[]: 0 0 0 0 [ 873.231167] 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 [ 873.245739] Node 0 DMA32: 6*4kB (UME) 16*8kB (UE) 52*16kB (UME) 29*32kB (UME) 16*64kB (UME) 2*128kB (M) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (ME) 6*4096kB (M) = 43896kB [ 873.262242] Node 0 Normal: 779*4kB (UME) 589*8kB (UMH) 289*16kB (UME) 143*32kB (UME) 61*64kB (ME) 18*128kB (ME) 14*256kB (M) 7*512kB (UM) 5*1024kB (ME) 1*2048kB (M) 0*4096kB = 37572kB [ 873.278777] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 873.287630] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 873.296197] 283 total pagecache pages [ 873.300007] 0 pages in swap cache [ 873.303444] Swap cache stats: add 0, delete 0, find 0/0 [ 873.308838] Free swap = 0kB [ 873.311840] Total swap = 0kB [ 873.314838] 1965979 pages RAM [ 873.317949] 0 pages HighMem/MovableOnly [ 873.321904] 343428 pages reserved [ 873.325330] 0 pages cma reserved [ 873.328701] Unreclaimable slab info: [ 873.332397] Name Used Total [ 873.346122] pid_2 141KB 160KB [ 873.412407] bio-3 0KB 3KB [ 873.446884] TIPC 10KB 14KB [ 873.483877] SCTPv6 14KB 16KB [ 873.516367] DCCPv6 17KB 21KB [ 873.529265] DCCP 16KB 20KB [ 873.534665] bridge_fdb_cache 11KB 15KB [ 873.572737] fib6_nodes 77KB 80KB [ 873.616409] ip6_dst_cache 51KB 161KB [ 873.640362] RAWv6 68KB 71KB [ 873.645752] UDPv6 3KB 3KB [ 873.715673] TCPv6 23KB 23KB [ 873.726892] nf_conntrack 0KB 3KB [ 873.757352] sd_ext_cdb 0KB 3KB [ 873.762740] scsi_sense_cache 1056KB 1060KB [ 873.794358] virtio_scsi_cmd 16KB 16KB [ 873.831837] sgpool-128 8KB 8KB [ 873.871664] sgpool-64 4KB 6KB [ 873.891134] sgpool-32 2KB 7KB [ 873.896507] sgpool-16 1KB 3KB [ 873.941439] sgpool-8 0KB 3KB [ 873.946831] mqueue_inode_cache 10KB 14KB [ 873.985809] bio_post_read_ctx 14KB 15KB [ 874.033577] bio-2 14KB 15KB [ 874.064530] jfs_mp 7KB 7KB [ 874.081473] nfs_commit_data 3KB 7KB [ 874.086864] nfs_write_data 32KB 32KB [ 874.146134] ext4_system_zone 0KB 3KB [ 874.186891] bio_post_read_ctx 14KB 15KB [ 874.207861] bio-1 1KB 3KB [ 874.213241] pid_namespace 2KB 7KB [ 874.262157] rpc_buffers 17KB 19KB [ 874.312964] rpc_tasks 2KB 3KB [ 874.337176] UNIX 9KB 14KB [ 874.342566] tcp_bind_bucket 1KB 4KB [ 874.384750] ip_fib_trie 11KB 15KB [ 874.420614] ip_fib_alias 52KB 55KB [ 874.425997] ip_dst_cache 1KB 8KB [ 874.454294] RAW 40KB 43KB [ 874.502650] UDP 16KB 26KB [ 874.536336] TCP 5KB 5KB [ 874.569957] hugetlbfs_inode_cache 2KB 7KB [ 874.575711] fscache_cookie_jar 1KB 3KB [ 874.645488] eventpoll_pwq 49KB 51KB [ 874.683602] eventpoll_epi 90KB 94KB [ 874.731197] inotify_inode_mark 90KB 90KB [ 874.736684] request_queue 138KB 147KB [ 874.823047] blkdev_ioc 38KB 38KB [ 874.865945] bio-0 2538KB 2538KB [ 874.894381] biovec-max 3539KB 3539KB [ 874.903916] biovec-64 1244KB 1244KB [ 874.946773] biovec-16 401KB 401KB [ 874.984637] bio_integrity_payload 1KB 3KB [ 875.020529] khugepaged_mm_slot 0KB 3KB [ 875.026003] dmaengine-unmap-256 2KB 6KB [ 875.072070] dmaengine-unmap-128 1KB 3KB [ 875.100814] dmaengine-unmap-16 0KB 4KB [ 875.106286] dmaengine-unmap-2 0KB 3KB [ 875.195946] skbuff_fclone_cache 3KB 3KB [ 875.225008] skbuff_head_cache 576KB 1732KB [ 875.265565] configfs_dir_cache 0KB 4KB [ 875.317042] file_lock_cache 0KB 3KB [ 875.322437] file_lock_ctx 0KB 3KB [ 875.353693] fsnotify_mark_connector 55KB 55KB [ 875.393624] net_namespace 52KB 52KB [ 875.444620] shmem_inode_cache 5939KB 6053KB [ 875.487855] task_delay_info 131KB 496KB [ 875.493245] taskstats 163KB 163KB [ 875.554891] proc_dir_entry 578KB 581KB [ 875.588857] pde_opener 0KB 3KB [ 875.594236] seq_file 315KB 342KB [ 875.676378] sigqueue 46KB 212KB [ 875.718644] kernfs_node_cache 11484KB 11489KB [ 875.724033] mnt_cache 6176KB 6460KB [ 875.764762] filp 4198KB 6862KB [ 875.773616] names_cache 104040KB 104040KB [ 875.833227] iint_cache 88KB 91KB [ 875.863062] key_jar 3KB 7KB [ 875.889907] uts_namespace 2KB 7KB [ 875.895282] nsproxy 69KB 75KB [ 875.933916] vm_area_struct 7445KB 12270KB [ 875.976665] mm_struct 1254KB 3295KB [ 876.000753] fs_cache 123KB 472KB [ 876.006129] files_cache 401KB 1068KB [ 876.045268] signal_cache 794KB 2026KB [ 876.074502] sighand_cache 527KB 527KB [ 876.106093] task_struct 3310KB 3366KB [ 876.116295] cred_jar 673KB 2284KB [ 876.145584] anon_vma_chain 4684KB 6878KB [ 876.183427] anon_vma 205KB 346KB [ 876.209814] pid 81KB 276KB [ 876.215252] Acpi-Operand 106KB 158KB [ 876.256074] Acpi-Namespace 19KB 23KB [ 876.284615] numa_policy 0KB 3KB [ 876.331117] trace_event_file 262KB 262KB [ 876.336504] ftrace_event_field 377KB 378KB [ 876.365584] pool_workqueue 87KB 88KB [ 876.417082] task_group 5KB 7KB [ 876.422461] debug_objects_cache 888KB 896KB [ 876.440928] page->ptl 1251KB 3257KB [ 876.446328] kmalloc-4M 5664768KB 5664768KB [ 876.483087] kmalloc-2M 2050KB 2050KB [ 876.524542] kmalloc-512k 2056KB 2056KB [ 876.551160] kmalloc-256k 516KB 516KB [ 876.556542] kmalloc-128k 520KB 520KB [ 876.589592] kmalloc-64k 594KB 594KB [ 876.594992] kmalloc-32k 1254KB 1254KB [ 876.644223] kmalloc-16k 379KB 379KB [ 876.672525] kmalloc-8k 1683KB 1683KB [ 876.693292] kmalloc-4k 19001KB 19023KB [ 876.698801] kmalloc-2k 7896KB 10110KB [ 876.704181] kmalloc-1k 6432KB 7032KB [ 876.745452] kmalloc-512 3439KB 6180KB [ 876.768538] kmalloc-256 2929KB 2940KB [ 876.773910] kmalloc-128 1501KB 1519KB [ 876.814751] kmalloc-96 3415KB 3648KB [ 876.846878] kmalloc-64 2201KB 2284KB [ 876.911574] kmalloc-32 2989KB 3173KB [ 876.935661] kmalloc-192 873KB 928KB [ 876.985366] kmem_cache 220KB 221KB [ 877.010972] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0 [ 877.010990] ,global_oom,task_memcg=/syz5,task=syz-executor5,pid=21708,uid=0 [ 877.130153] Out of memory: Kill process 21708 (syz-executor5) score 999 or sacrifice child [ 877.204498] Killed process 21708 (syz-executor5) total-vm:37572kB, anon-rss:88kB, file-rss:0kB, shmem-rss:0kB [ 877.255939] oom_reaper: reaped process 21708 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 877.301662] syz-executor0 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), order=1, oom_score_adj=0 [ 877.341648] CPU: 0 PID: 6106 Comm: syz-executor0 Not tainted 4.20.0-rc5-next-20181207+ #163 [ 877.350163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 877.359518] Call Trace: [ 877.362116] dump_stack+0x244/0x39d [ 877.365755] ? dump_stack_print_info.cold.1+0x20/0x20 [ 877.370955] ? kasan_check_read+0x11/0x20 [ 877.375125] dump_header+0x253/0x1239 [ 877.378934] ? mark_held_locks+0x130/0x130 [ 877.383189] ? print_usage_bug+0xc0/0xc0 [ 877.387263] ? pagefault_out_of_memory+0x19d/0x19d [ 877.392204] ? mark_held_locks+0x130/0x130 [ 877.396441] ? __switch_to_asm+0x34/0x70 [ 877.400518] ? __lock_acquire+0x62f/0x4c20 [ 877.404779] ? __schedule+0xa49/0x21e0 [ 877.408726] ? print_usage_bug+0xc0/0xc0 [ 877.412804] ? graph_lock+0x270/0x270 [ 877.416615] ? print_usage_bug+0xc0/0xc0 [ 877.420715] ? print_usage_bug+0xc0/0xc0 [ 877.424789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 877.430337] ? find_held_lock+0x36/0x1c0 [ 877.434413] ? mark_held_locks+0xc7/0x130 [ 877.438570] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 877.443702] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 877.448826] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 877.453419] ? trace_hardirqs_on+0xbd/0x310 [ 877.457746] ? kasan_check_read+0x11/0x20 [ 877.461900] ? ___ratelimit+0x3b4/0x672 [ 877.465887] ? trace_hardirqs_off_caller+0x310/0x310 [ 877.471000] ? trace_hardirqs_on+0x310/0x310 [ 877.475418] ? lock_downgrade+0x900/0x900 [ 877.479579] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 877.484712] ? ___ratelimit+0x3b9/0x672 [ 877.488725] ? idr_get_free+0xf70/0xf70 [ 877.492734] ? find_held_lock+0x36/0x1c0 [ 877.496813] oom_kill_process.cold.27+0x10/0x903 [ 877.501576] ? graph_lock+0x270/0x270 [ 877.505388] ? __rcu_read_unlock+0x205/0x210 [ 877.509813] ? trace_hardirqs_on+0x310/0x310 [ 877.514236] ? oom_evaluate_task+0x540/0x540 [ 877.518665] ? find_held_lock+0x36/0x1c0 [ 877.522761] ? out_of_memory+0xcc5/0x1480 [ 877.526915] ? lock_downgrade+0x900/0x900 [ 877.531069] ? check_preemption_disabled+0x48/0x280 [ 877.536093] ? __rcu_read_unlock+0x205/0x210 [ 877.540507] ? rcu_read_unlock_special+0x370/0x370 [ 877.545448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 877.550988] ? oom_evaluate_task+0x302/0x540 [ 877.555408] out_of_memory+0x8ba/0x1480 [ 877.559394] ? oom_killer_disable+0x3a0/0x3a0 [ 877.563903] ? __alloc_pages_slowpath+0xf84/0x2e00 [ 877.568858] ? __ww_mutex_check_waiters+0x160/0x160 [ 877.573905] __alloc_pages_slowpath+0x2354/0x2e00 [ 877.578782] ? warn_alloc+0x120/0x120 [ 877.582587] ? mark_held_locks+0x130/0x130 [ 877.586853] ? warn_alloc+0x120/0x120 [ 877.590690] ? print_usage_bug+0xc0/0xc0 [ 877.594769] ? print_usage_bug+0xc0/0xc0 [ 877.598844] ? print_usage_bug+0xc0/0xc0 [ 877.602912] ? mark_held_locks+0x130/0x130 [ 877.607157] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 877.612707] ? should_fail+0x22d/0xd01 [ 877.616603] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 877.621720] ? graph_lock+0x270/0x270 [ 877.625546] ? find_held_lock+0x36/0x1c0 [ 877.629635] ? lock_release+0xa00/0xa00 [ 877.633636] ? perf_trace_sched_process_exec+0x860/0x860 [ 877.639103] ? check_preemption_disabled+0x48/0x280 [ 877.644136] ? __might_sleep+0x95/0x190 [ 877.648121] __alloc_pages_nodemask+0xaed/0xec0 [ 877.652802] ? graph_lock+0x270/0x270 [ 877.656614] ? __alloc_pages_slowpath+0x2e00/0x2e00 [ 877.661661] ? find_held_lock+0x36/0x1c0 [ 877.665761] ? cache_grow_begin+0x65/0x8c0 [ 877.670017] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 877.674642] ? trace_hardirqs_on+0xbd/0x310 [ 877.678986] ? fallback_alloc+0x204/0x2e0 [ 877.683139] ? trace_hardirqs_off_caller+0x310/0x310 [ 877.688250] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 877.693800] cache_grow_begin+0xa5/0x8c0 [ 877.697869] ? do_raw_spin_unlock+0xa7/0x330 [ 877.702294] fallback_alloc+0x204/0x2e0 [ 877.706282] ____cache_alloc_node+0x1c7/0x1e0 [ 877.710796] kmem_cache_alloc+0x1f6/0x730 [ 877.714948] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 877.719536] ? trace_hardirqs_on+0xbd/0x310 [ 877.723895] getname_flags+0xd0/0x590 [ 877.727715] __x64_sys_unlink+0x35/0x50 [ 877.731704] do_syscall_64+0x1b9/0x820 [ 877.735600] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 877.740972] ? syscall_return_slowpath+0x5e0/0x5e0 [ 877.745921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 877.750775] ? trace_hardirqs_on_caller+0x310/0x310 [ 877.755808] ? prepare_exit_to_usermode+0x291/0x3b0 [ 877.760838] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 877.765722] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 877.770919] RIP: 0033:0x4572b7 [ 877.774122] Code: Bad RIP value. [ 877.777485] RSP: 002b:00007ffd923f90d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 877.785200] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004572b7 [ 877.792471] RDX: 00007ffd923f90f0 RSI: 00007ffd923f90f0 RDI: 00007ffd923f9180 [ 877.799758] RBP: 00000000000007d8 R08: 0000000000000000 R09: 0000000000000010 [ 877.807029] R10: 000000000000000a R11: 0000000000000246 R12: 00007ffd923fa210 [ 877.814315] R13: 00000000027a0940 R14: 0000000000000000 R15: 0000000000000000 [ 877.882541] Mem-Info: [ 877.884996] active_anon:4098 inactive_anon:183 isolated_anon:0 [ 877.884996] active_file:42 inactive_file:0 isolated_file:0 [ 877.884996] unevictable:0 dirty:0 writeback:0 unstable:0 [ 877.884996] slab_reclaimable:14510 slab_unreclaimable:1516287 [ 877.884996] mapped:2 shmem:244 pagetables:443 bounce:0 [ 877.884996] free:24278 free_pcp:196 free_cma:0 [ 877.965613] Node 0 active_anon:16392kB inactive_anon:732kB active_file:168kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 878.050963] 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 [ 878.123338] lowmem_reserve[]: 0 2816 6319 6319 [ 878.128291] Node 0 DMA32 free:43896kB min:30040kB low:37548kB high:45056kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2886736kB mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 878.186711] lowmem_reserve[]: 0 0 3503 3503 [ 878.197115] Node 0 Normal free:36840kB min:66048kB low:75392kB high:84736kB active_anon:16392kB inactive_anon:732kB active_file:68kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587560kB mlocked:0kB kernel_stack:7040kB pagetables:1772kB bounce:0kB free_pcp:4kB local_pcp:4kB free_cma:0kB [ 878.226134] lowmem_reserve[]: 0 0 0 0 [ 878.233993] 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 [ 878.248865] Node 0 DMA32: 6*4kB (UME) 16*8kB (UE) 52*16kB (UME) 29*32kB (UME) 16*64kB (UME) 2*128kB (M) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (ME) 6*4096kB (M) = 43896kB [ 878.269495] Node 0 Normal: 822*4kB (UME) 629*8kB (UMH) 289*16kB (UME) 145*32kB (UME) 61*64kB (ME) 18*128kB (ME) 14*256kB (M) 7*512kB (UM) 5*1024kB (ME) 1*2048kB (M) 0*4096kB = 38128kB [ 878.291350] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 878.300241] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 878.310244] 279 total pagecache pages [ 878.314033] 0 pages in swap cache [ 878.317520] Swap cache stats: add 0, delete 0, find 0/0 [ 878.322883] Free swap = 0kB [ 878.325911] Total swap = 0kB [ 878.328958] 1965979 pages RAM [ 878.332045] 0 pages HighMem/MovableOnly [ 878.335992] 343428 pages reserved [ 878.339451] 0 pages cma reserved [ 878.342798] Unreclaimable slab info: [ 878.346489] Name Used Total [ 878.352130] pid_2 137KB 160KB [ 878.357538] bio-3 0KB 3KB [ 878.362891] TIPC 10KB 14KB [ 878.368267] SCTPv6 14KB 16KB [ 878.373618] DCCPv6 17KB 21KB [ 878.378988] DCCP 16KB 20KB [ 878.384345] bridge_fdb_cache 11KB 15KB [ 878.389828] fib6_nodes 77KB 80KB [ 878.395194] ip6_dst_cache 60KB 161KB [ 878.400611] RAWv6 68KB 71KB [ 878.406040] UDPv6 3KB 3KB [ 878.411945] TCPv6 23KB 23KB [ 878.417403] nf_conntrack 0KB 3KB [ 878.422967] sd_ext_cdb 0KB 3KB [ 878.428365] scsi_sense_cache 1056KB 1060KB [ 878.433727] virtio_scsi_cmd 16KB 16KB [ 878.439102] sgpool-128 8KB 8KB [ 878.444450] sgpool-64 4KB 6KB [ 878.449832] sgpool-32 2KB 7KB [ 878.455179] sgpool-16 1KB 3KB [ 878.460585] sgpool-8 0KB 3KB [ 878.465943] mqueue_inode_cache 10KB 14KB [ 878.471403] bio_post_read_ctx 14KB 15KB [ 878.476769] bio-2 14KB 15KB [ 878.482252] jfs_mp 7KB 7KB [ 878.487637] nfs_commit_data 3KB 7KB [ 878.492990] nfs_write_data 32KB 32KB [ 878.498368] ext4_system_zone 0KB 3KB [ 878.503714] bio_post_read_ctx 14KB 15KB [ 878.510319] bio-1 1KB 3KB [ 878.515702] pid_namespace 2KB 7KB [ 878.521128] rpc_buffers 17KB 19KB [ 878.526499] rpc_tasks 2KB 3KB [ 878.535350] UNIX 9KB 14KB [ 878.540807] tcp_bind_bucket 1KB 4KB [ 878.546207] ip_fib_trie 11KB 15KB [ 878.551629] ip_fib_alias 52KB 55KB [ 878.557053] ip_dst_cache 1KB 8KB [ 878.562423] RAW 40KB 43KB [ 878.567846] UDP 16KB 26KB [ 878.573234] TCP 5KB 5KB [ 878.578661] hugetlbfs_inode_cache 2KB 7KB [ 878.584377] fscache_cookie_jar 1KB 3KB [ 878.589873] eventpoll_pwq 44KB 51KB [ 878.595246] eventpoll_epi 81KB 94KB [ 878.600676] inotify_inode_mark 86KB 90KB [ 878.606145] request_queue 138KB 147KB [ 878.611606] blkdev_ioc 37KB 38KB [ 878.623464] bio-0 2583KB 2583KB [ 878.628922] biovec-max 3539KB 3539KB [ 878.634294] biovec-64 1252KB 1252KB [ 878.653198] biovec-16 408KB 408KB [ 878.660269] bio_integrity_payload 1KB 3KB [ 878.674286] khugepaged_mm_slot 0KB 3KB [ 878.690510] dmaengine-unmap-256 2KB 6KB [ 878.699645] dmaengine-unmap-128 1KB 3KB [ 878.717016] dmaengine-unmap-16 0KB 4KB [ 878.722485] dmaengine-unmap-2 0KB 3KB [ 878.735469] skbuff_fclone_cache 3KB 3KB [ 878.741141] skbuff_head_cache 576KB 1732KB [ 878.747550] configfs_dir_cache 0KB 4KB [ 878.753013] file_lock_cache 0KB 3KB [ 878.758821] file_lock_ctx 0KB 3KB [ 878.764237] fsnotify_mark_connector 52KB 55KB [ 878.774769] net_namespace 52KB 52KB [ 878.817004] shmem_inode_cache 5907KB 6053KB [ 878.822386] task_delay_info 122KB 496KB [ 878.855185] taskstats 154KB 163KB [ 878.904204] proc_dir_entry 578KB 581KB [ 878.923461] pde_opener 0KB 3KB [ 878.937422] seq_file 306KB 342KB [ 878.942805] sigqueue 41KB 212KB [ 878.957612] kernfs_node_cache 11484KB 11489KB [ 878.963002] mnt_cache 6171KB 6460KB [ 878.968565] filp 4163KB 6855KB [ 878.973940] names_cache 104074KB 104074KB [ 878.979486] iint_cache 86KB 91KB [ 878.984863] key_jar 3KB 7KB [ 878.990423] uts_namespace 2KB 7KB [ 878.995824] nsproxy 64KB 75KB [ 879.001374] vm_area_struct 7445KB 12270KB [ 879.006757] mm_struct 1205KB 3256KB [ 879.012306] fs_cache 111KB 472KB [ 879.018102] files_cache 374KB 1012KB [ 879.023482] signal_cache 774KB 2005KB [ 879.029601] sighand_cache 504KB 527KB [ 879.034981] task_struct 3297KB 3353KB [ 879.040510] cred_jar 643KB 2284KB [ 879.047114] anon_vma_chain 4681KB 6878KB [ 879.052487] anon_vma 181KB 346KB [ 879.058917] pid 75KB 276KB [ 879.064304] Acpi-Operand 106KB 158KB [ 879.069771] Acpi-Namespace 19KB 23KB [ 879.075270] numa_policy 0KB 3KB [ 879.086852] trace_event_file 262KB 262KB [ 879.092327] ftrace_event_field 377KB 378KB [ 879.097831] pool_workqueue 87KB 88KB [ 879.103222] task_group 5KB 7KB [ 879.108681] debug_objects_cache 886KB 896KB [ 879.114226] page->ptl 1241KB 3257KB [ 879.119747] kmalloc-4M 5664768KB 5664768KB [ 879.125123] kmalloc-2M 2050KB 2050KB [ 879.130580] kmalloc-512k 2056KB 2056KB [ 879.135988] kmalloc-256k 516KB 516KB [ 879.141866] kmalloc-128k 520KB 520KB [ 879.147323] kmalloc-64k 594KB 594KB [ 879.152717] kmalloc-32k 1254KB 1254KB [ 879.162447] kmalloc-16k 379KB 379KB [ 879.169115] kmalloc-8k 1683KB 1683KB [ 879.174920] kmalloc-4k 18993KB 19023KB [ 879.201880] kmalloc-2k 7832KB 10040KB [ 879.208860] kmalloc-1k 6459KB 7032KB [ 879.214245] kmalloc-512 3439KB 6180KB [ 879.219965] kmalloc-256 2919KB 2940KB [ 879.225486] kmalloc-128 1479KB 1519KB [ 879.231031] kmalloc-96 3445KB 3648KB [ 879.236484] kmalloc-64 2201KB 2284KB [ 879.242905] kmalloc-32 2989KB 3173KB [ 879.248405] kmalloc-192 861KB 928KB [ 879.267045] kmem_cache 220KB 221KB [ 879.272469] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=syz0,mems_allowed=0 [ 879.272487] ,global_oom,task_memcg=/syz4,task=syz-executor4,pid=21701,uid=0 [ 879.290878] Out of memory: Kill process 21701 (syz-executor4) score 999 or sacrifice child 2018/12/08 01:50:16 executed programs: 3545 [ 880.173946] blkid (21692) used greatest stack depth: 3368 bytes left [ 880.719757] syz-executor3 invoked oom-killer: gfp_mask=0x6002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), order=0, oom_score_adj=1000 [ 880.734116] CPU: 1 PID: 21721 Comm: syz-executor3 Not tainted 4.20.0-rc5-next-20181207+ #163 [ 880.742708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 880.752068] Call Trace: [ 880.754683] dump_stack+0x244/0x39d [ 880.758326] ? dump_stack_print_info.cold.1+0x20/0x20 [ 880.763546] dump_header+0x253/0x1239 [ 880.767368] ? mark_held_locks+0x130/0x130 [ 880.771658] ? pagefault_out_of_memory+0x19d/0x19d [ 880.776611] ? mark_held_locks+0x130/0x130 [ 880.780872] ? mark_held_locks+0x130/0x130 [ 880.785119] ? __lock_acquire+0x62f/0x4c20 [ 880.789362] ? _raw_spin_unlock_irq+0x27/0x80 [ 880.793869] ? print_usage_bug+0xc0/0xc0 [ 880.797945] ? graph_lock+0x270/0x270 [ 880.801757] ? print_usage_bug+0xc0/0xc0 [ 880.805828] ? graph_lock+0x270/0x270 [ 880.809638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 880.815205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 880.820752] ? find_held_lock+0x36/0x1c0 [ 880.824824] ? mark_held_locks+0xc7/0x130 [ 880.828974] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 880.834088] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 880.839202] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 880.843788] ? trace_hardirqs_on+0xbd/0x310 [ 880.848113] ? kasan_check_read+0x11/0x20 [ 880.852262] ? ___ratelimit+0x3b4/0x672 [ 880.856236] ? trace_hardirqs_off_caller+0x310/0x310 [ 880.861349] ? trace_hardirqs_on+0x310/0x310 [ 880.865763] ? lock_downgrade+0x900/0x900 [ 880.869919] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 880.875024] ? ___ratelimit+0x3b9/0x672 [ 880.879003] ? idr_get_free+0xf70/0xf70 [ 880.882976] ? kasan_check_read+0x11/0x20 [ 880.887123] ? do_raw_spin_unlock+0xa7/0x330 [ 880.891538] oom_kill_process.cold.27+0x10/0x903 [ 880.896294] ? graph_lock+0x270/0x270 [ 880.900101] ? _raw_spin_unlock+0x2c/0x50 [ 880.904252] ? oom_badness+0xe6/0xaa0 [ 880.908062] ? oom_evaluate_task+0x540/0x540 [ 880.912487] ? find_held_lock+0x36/0x1c0 [ 880.916558] ? out_of_memory+0xcc5/0x1480 [ 880.920711] ? lock_downgrade+0x900/0x900 [ 880.924862] ? check_preemption_disabled+0x48/0x280 [ 880.929885] ? kasan_check_read+0x11/0x20 [ 880.934031] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 880.939339] ? rcu_read_unlock_special+0x370/0x370 [ 880.944271] ? kasan_check_write+0x14/0x20 [ 880.948503] ? oom_evaluate_task+0x302/0x540 [ 880.952915] out_of_memory+0x8ba/0x1480 [ 880.956902] ? oom_killer_disable+0x3a0/0x3a0 [ 880.961409] ? __alloc_pages_slowpath+0xf84/0x2e00 [ 880.966346] ? __ww_mutex_check_waiters+0x160/0x160 [ 880.971379] __alloc_pages_slowpath+0x2354/0x2e00 [ 880.976260] ? warn_alloc+0x120/0x120 [ 880.980079] ? mark_held_locks+0x130/0x130 [ 880.984337] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 880.989874] ? should_fail+0x22d/0xd01 [ 880.993771] ? graph_lock+0x270/0x270 [ 880.997574] ? graph_lock+0x270/0x270 [ 881.001393] ? rcu_read_unlock_special+0x370/0x370 [ 881.006337] ? unwind_dump+0x190/0x190 [ 881.010232] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 881.015767] ? should_fail+0x22d/0xd01 [ 881.019684] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 881.024808] ? graph_lock+0x270/0x270 [ 881.028634] ? __lock_is_held+0xb5/0x140 [ 881.032738] ? check_preemption_disabled+0x48/0x280 [ 881.037761] ? lock_release+0xa00/0xa00 [ 881.041735] ? perf_trace_sched_process_exec+0x860/0x860 [ 881.047192] ? __lock_is_held+0xb5/0x140 [ 881.051259] ? __might_sleep+0x95/0x190 [ 881.055247] __alloc_pages_nodemask+0xaed/0xec0 [ 881.059925] ? __alloc_pages_slowpath+0x2e00/0x2e00 [ 881.064954] ? graph_lock+0x270/0x270 [ 881.068755] ? __insert_vmap_area+0x550/0x550 [ 881.073259] ? kasan_unpoison_shadow+0x35/0x50 [ 881.077842] ? perf_trace_sched_process_exec+0x860/0x860 [ 881.083304] ? __lock_is_held+0xb5/0x140 [ 881.087393] ? vfree_atomic+0xe0/0xe0 [ 881.091197] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 881.096753] alloc_pages_current+0x173/0x350 [ 881.101170] __vmalloc_node_range+0x5ca/0x8d0 [ 881.105699] ? vfree_atomic+0xe0/0xe0 [ 881.109513] ? newary+0x244/0xb40 [ 881.112969] __vmalloc_node_flags_caller+0x75/0x90 [ 881.117903] ? newary+0x244/0xb40 [ 881.121362] kvmalloc_node+0xd7/0xf0 [ 881.125071] newary+0x244/0xb40 [ 881.128352] ? semctl_stat+0x5f0/0x5f0 [ 881.132237] ? lock_acquire+0x1ed/0x520 [ 881.136213] ? ipcget+0x121/0x11c0 [ 881.139814] ? lock_release+0xa00/0xa00 [ 881.143802] ? perf_trace_sched_process_exec+0x860/0x860 [ 881.149255] ? refcount_inc_checked+0x29/0x70 [ 881.153754] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 881.159303] ? down_write+0x8a/0x130 [ 881.163035] ? ipcget+0x121/0x11c0 [ 881.166592] ? down_read+0x120/0x120 [ 881.170306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 881.175847] ? perf_event_namespaces+0x136/0x400 [ 881.180607] ipcget+0x159/0x11c0 [ 881.183983] ? find_held_lock+0x36/0x1c0 [ 881.188063] ? ipc_obtain_object_check+0x130/0x130 [ 881.193000] ? lock_release+0xa00/0xa00 [ 881.196993] ? perf_trace_sched_process_exec+0x860/0x860 [ 881.202449] ? posix_ktime_get_ts+0x15/0x20 [ 881.206779] ? trace_hardirqs_off_caller+0x310/0x310 [ 881.211900] ? kasan_check_read+0x11/0x20 [ 881.216051] ? _copy_to_user+0xc8/0x110 [ 881.220062] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 881.225602] ? put_timespec64+0x10f/0x1b0 [ 881.229753] ? nsecs_to_jiffies+0x30/0x30 [ 881.233903] ksys_semget+0x1c0/0x280 [ 881.237617] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 881.242210] ? sem_exit_ns+0x40/0x40 [ 881.245934] ? trace_hardirqs_off_caller+0x310/0x310 [ 881.251046] __x64_sys_semget+0x73/0xb0 [ 881.255042] do_syscall_64+0x1b9/0x820 [ 881.258930] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 881.264297] ? syscall_return_slowpath+0x5e0/0x5e0 [ 881.269229] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 881.274090] ? trace_hardirqs_on_caller+0x310/0x310 [ 881.279111] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 881.284130] ? prepare_exit_to_usermode+0x291/0x3b0 [ 881.289169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 881.294027] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 881.299215] RIP: 0033:0x457569 [ 881.302415] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 881.321312] RSP: 002b:00007fc1c457dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000040 [ 881.329019] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 [ 881.336298] RDX: 0000000000000000 RSI: 0000000000004007 RDI: 0000000000000000 [ 881.343559] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 881.350827] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc1c457e6d4 [ 881.358098] R13: 00000000004c3c0a R14: 00000000004d61e8 R15: 00000000ffffffff [ 881.383210] Mem-Info: [ 881.385873] active_anon:4103 inactive_anon:183 isolated_anon:0 [ 881.385873] active_file:173 inactive_file:223 isolated_file:22 [ 881.385873] unevictable:0 dirty:15 writeback:0 unstable:0 [ 881.385873] slab_reclaimable:14579 slab_unreclaimable:1515946 [ 881.385873] mapped:361 shmem:244 pagetables:434 bounce:0 [ 881.385873] free:24425 free_pcp:58 free_cma:0 [ 881.428622] Node 0 active_anon:16460kB inactive_anon:732kB active_file:624kB inactive_file:644kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1096kB dirty:0kB writeback:4kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 881.458274] 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 [ 881.536077] lowmem_reserve[]: 0 2816 6319 6319 [ 881.540791] Node 0 DMA32 free:43968kB min:30040kB low:37548kB high:45056kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2886736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 881.568043] lowmem_reserve[]: 0 0 3503 3503 [ 881.572374] Node 0 Normal free:36848kB min:37376kB low:46720kB high:56064kB active_anon:16564kB inactive_anon:732kB active_file:512kB inactive_file:796kB unevictable:0kB writepending:16kB present:4718592kB managed:3587560kB mlocked:0kB kernel_stack:7104kB pagetables:1812kB bounce:0kB free_pcp:536kB local_pcp:260kB free_cma:0kB [ 881.601472] lowmem_reserve[]: 0 0 0 0 [ 881.605281] 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 [ 881.623195] Node 0 DMA32: 6*4kB (UME) 21*8kB (UE) 52*16kB (UME) 30*32kB (UME) 16*64kB (UME) 2*128kB (M) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (ME) 6*4096kB (M) = 43968kB [ 881.685830] Node 0 Normal: 493*4kB (UM) 577*8kB (MEH) 289*16kB (UME) 139*32kB (ME) 61*64kB (UM) 18*128kB (ME) 14*256kB (M) 7*512kB (UM) 6*1024kB (UME) 1*2048kB (M) 0*4096kB = 37228kB [ 881.712637] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 881.731869] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 881.782473] 279 total pagecache pages [ 881.786297] 0 pages in swap cache [ 881.861741] Swap cache stats: add 0, delete 0, find 0/0 [ 881.932762] Free swap = 0kB [ 881.935889] Total swap = 0kB [ 882.063547] 1965979 pages RAM [ 882.066689] 0 pages HighMem/MovableOnly [ 882.159838] 343428 pages reserved [ 882.163314] 0 pages cma reserved [ 882.166706] Unreclaimable slab info: [ 882.236813] Name Used Total [ 882.329320] pid_2 137KB 160KB [ 882.334730] bio-3 0KB 3KB [ 882.363829] TIPC 10KB 14KB [ 882.453772] SCTPv6 14KB 16KB [ 882.486421] DCCPv6 17KB 21KB [ 882.512516] DCCP 16KB 20KB [ 882.555259] bridge_fdb_cache 11KB 15KB [ 882.666066] fib6_nodes 77KB 80KB [ 882.785559] ip6_dst_cache 75KB 161KB [ 882.910041] RAWv6 68KB 71KB [ 882.915481] UDPv6 3KB 3KB [ 883.003899] TCPv6 23KB 23KB [ 883.068384] nf_conntrack 0KB 3KB [ 883.074260] sd_ext_cdb 0KB 3KB [ 883.120390] scsi_sense_cache 1056KB 1060KB [ 883.125772] virtio_scsi_cmd 16KB 16KB [ 883.216105] sgpool-128 8KB 8KB [ 883.245932] sgpool-64 4KB 6KB [ 883.296461] sgpool-32 2KB 7KB [ 883.383720] sgpool-16 1KB 3KB [ 883.496219] sgpool-8 0KB 3KB [ 883.552351] mqueue_inode_cache 10KB 14KB [ 883.557845] bio_post_read_ctx 14KB 15KB [ 883.563211] bio-2 14KB 15KB [ 883.568602] jfs_mp 7KB 7KB [ 883.573970] nfs_commit_data 3KB 7KB [ 883.579341] nfs_write_data 32KB 32KB [ 883.584698] ext4_system_zone 0KB 3KB [ 883.590071] bio_post_read_ctx 14KB 15KB [ 883.595422] bio-1 1KB 3KB [ 883.600834] pid_namespace 2KB 7KB [ 883.606184] rpc_buffers 17KB 19KB [ 883.611563] rpc_tasks 2KB 3KB [ 883.616906] UNIX 9KB 14KB [ 883.622302] tcp_bind_bucket 1KB 4KB [ 883.627713] ip_fib_trie 11KB 15KB [ 883.633061] ip_fib_alias 52KB 55KB [ 883.638432] ip_dst_cache 1KB 8KB [ 883.643777] RAW 40KB 43KB [ 883.649148] UDP 16KB 26KB [ 883.654499] TCP 5KB 5KB [ 883.662297] hugetlbfs_inode_cache 2KB 7KB [ 883.726707] fscache_cookie_jar 1KB 3KB [ 883.737454] eventpoll_pwq 39KB 51KB [ 883.774963] eventpoll_epi 72KB 94KB [ 883.866031] inotify_inode_mark 72KB 90KB [ 883.946638] request_queue 138KB 147KB [ 884.030395] blkdev_ioc 38KB 38KB [ 884.035774] bio-0 3367KB 3367KB [ 884.091906] biovec-max 3786KB 3786KB [ 884.190986] biovec-64 1732KB 1732KB [ 884.196370] biovec-16 600KB 600KB [ 884.357094] bio_integrity_payload 1KB 3KB [ 884.362844] khugepaged_mm_slot 0KB 3KB [ 884.371152] dmaengine-unmap-256 2KB 6KB [ 884.376716] dmaengine-unmap-128 1KB 3KB [ 884.383512] dmaengine-unmap-16 0KB 4KB [ 884.389163] dmaengine-unmap-2 0KB 3KB [ 884.394698] skbuff_fclone_cache 7KB 7KB [ 884.400347] skbuff_head_cache 573KB 1732KB [ 884.405718] configfs_dir_cache 0KB 4KB [ 884.411215] file_lock_cache 0KB 3KB [ 884.416583] file_lock_ctx 0KB 3KB [ 884.421972] fsnotify_mark_connector 44KB 55KB [ 884.427882] net_namespace 52KB 52KB [ 884.433230] shmem_inode_cache 5888KB 6050KB [ 884.438628] task_delay_info 113KB 496KB [ 884.444135] taskstats 150KB 163KB [ 884.449734] proc_dir_entry 578KB 581KB [ 884.455119] pde_opener 0KB 3KB [ 884.460526] seq_file 303KB 342KB [ 884.465902] sigqueue 37KB 208KB [ 884.471633] kernfs_node_cache 11484KB 11489KB [ 884.478009] mnt_cache 6084KB 6452KB [ 884.483391] filp 4130KB 6836KB [ 884.524131] names_cache 102586KB 102607KB [ 884.529810] iint_cache 90KB 91KB [ 884.565724] key_jar 3KB 7KB [ 884.620280] uts_namespace 2KB 7KB [ 884.625691] nsproxy 64KB 75KB [ 884.737599] vm_area_struct 7326KB 12255KB [ 884.743015] mm_struct 1189KB 3224KB [ 884.909241] fs_cache 99KB 460KB [ 884.914634] files_cache 353KB 967KB [ 885.094333] signal_cache 760KB 1998KB [ 885.197056] sighand_cache 492KB 527KB [ 885.202463] task_struct 3236KB 3291KB [ 885.379829] cred_jar 637KB 2280KB [ 885.385232] anon_vma_chain 4609KB 6878KB [ 885.469950] anon_vma 195KB 346KB [ 885.475337] pid 70KB 276KB [ 885.505731] Acpi-Operand 106KB 158KB [ 885.614344] Acpi-Namespace 19KB 23KB [ 885.697139] numa_policy 0KB 3KB [ 885.702533] trace_event_file 262KB 262KB [ 885.929944] ftrace_event_field 377KB 378KB [ 885.935433] pool_workqueue 87KB 88KB [ 886.031511] task_group 5KB 7KB [ 886.036898] debug_objects_cache 886KB 896KB [ 886.075282] page->ptl 1236KB 3257KB [ 886.122273] kmalloc-4M 5664768KB 5664768KB [ 886.257212] kmalloc-2M 2050KB 2050KB [ 886.262598] kmalloc-512k 2056KB 2056KB [ 886.301287] kmalloc-256k 516KB 516KB [ 886.306710] kmalloc-128k 520KB 520KB [ 886.315764] kmalloc-64k 594KB 594KB [ 886.423709] kmalloc-32k 1254KB 1254KB [ 886.546922] kmalloc-16k 379KB 379KB [ 886.670052] kmalloc-8k 1683KB 1683KB [ 886.675456] kmalloc-4k 18772KB 18810KB [ 886.765602] kmalloc-2k 7822KB 10040KB [ 886.886323] kmalloc-1k 6473KB 7032KB [ 887.011473] kmalloc-512 3432KB 6176KB [ 887.016852] kmalloc-256 2915KB 2940KB [ 887.122890] kmalloc-128 1479KB 1519KB [ 887.180472] kmalloc-96 3505KB 3648KB [ 887.185857] kmalloc-64 2201KB 2284KB [ 887.318563] kmalloc-32 2974KB 3173KB [ 887.323999] kmalloc-192 855KB 928KB [ 887.502934] kmem_cache 220KB 221KB [ 887.554627] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=syz3,mems_allowed=0 [ 887.554658] ,global_oom,task_memcg=/syz1,task=syz-executor1,pid=21722,uid=0 [ 887.787109] Out of memory: Kill process 21722 (syz-executor1) score 999 or sacrifice child [ 887.795579] Killed process 21722 (syz-executor1) total-vm:37704kB, anon-rss:84kB, file-rss:0kB, shmem-rss:0kB [ 887.914867] rsyslogd invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 887.975689] CPU: 0 PID: 5971 Comm: rsyslogd Not tainted 4.20.0-rc5-next-20181207+ #163 [ 887.983763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 887.993113] Call Trace: [ 887.995715] dump_stack+0x244/0x39d [ 887.999348] ? dump_stack_print_info.cold.1+0x20/0x20 [ 888.004530] dump_header+0x253/0x1239 [ 888.008324] ? pagefault_out_of_memory+0x19d/0x19d [ 888.013237] ? mark_held_locks+0x130/0x130 [ 888.017494] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 888.022759] ? __lock_acquire+0x62f/0x4c20 [ 888.026996] ? mem_cgroup_css_online+0x3d0/0x3d0 [ 888.031739] ? graph_lock+0x270/0x270 [ 888.035520] ? print_usage_bug+0xc0/0xc0 [ 888.039571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 888.045091] ? find_held_lock+0x36/0x1c0 [ 888.049137] ? mark_held_locks+0xc7/0x130 [ 888.053266] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 888.058350] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 888.063435] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 888.068064] ? trace_hardirqs_on+0xbd/0x310 [ 888.072368] ? kasan_check_read+0x11/0x20 [ 888.076499] ? ___ratelimit+0x3b4/0x672 [ 888.080456] ? trace_hardirqs_off_caller+0x310/0x310 [ 888.085539] ? trace_hardirqs_on+0x310/0x310 [ 888.089929] ? lock_downgrade+0x900/0x900 [ 888.094061] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 888.099159] ? ___ratelimit+0x3b9/0x672 [ 888.103115] ? idr_get_free+0xf70/0xf70 [ 888.107073] ? find_held_lock+0x36/0x1c0 [ 888.111120] oom_kill_process.cold.27+0x10/0x903 [ 888.115858] ? graph_lock+0x270/0x270 [ 888.119642] ? check_preemption_disabled+0x48/0x280 [ 888.124661] ? kasan_check_read+0x11/0x20 [ 888.128795] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 888.134053] ? oom_evaluate_task+0x540/0x540 [ 888.138443] ? find_held_lock+0x36/0x1c0 [ 888.142487] ? out_of_memory+0xcc5/0x1480 [ 888.146623] ? lock_downgrade+0x900/0x900 [ 888.150758] ? check_preemption_disabled+0x48/0x280 [ 888.155763] ? kasan_check_read+0x11/0x20 [ 888.159891] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 888.165151] ? rcu_read_unlock_special+0x370/0x370 [ 888.170067] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 888.175602] ? oom_evaluate_task+0x302/0x540 [ 888.179993] out_of_memory+0x8ba/0x1480 [ 888.183953] ? oom_killer_disable+0x3a0/0x3a0 [ 888.188433] ? __alloc_pages_slowpath+0xf84/0x2e00 [ 888.193345] ? __ww_mutex_check_waiters+0x160/0x160 [ 888.198351] __alloc_pages_slowpath+0x2354/0x2e00 [ 888.203190] ? warn_alloc+0x120/0x120 [ 888.206991] ? find_get_entry+0xaae/0x1120 [ 888.211218] ? filemap_map_pages+0x1a20/0x1a20 [ 888.215784] ? graph_lock+0x270/0x270 [ 888.219571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 888.225092] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 888.230616] ? should_fail+0x22d/0xd01 [ 888.234488] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 888.239572] ? graph_lock+0x270/0x270 [ 888.243363] ? __lock_is_held+0xb5/0x140 [ 888.247414] ? lock_release+0xa00/0xa00 [ 888.251370] ? perf_trace_sched_process_exec+0x860/0x860 [ 888.256803] ? xa_load+0x2ba/0x460 [ 888.260327] ? lock_downgrade+0x900/0x900 [ 888.264473] ? __might_sleep+0x95/0x190 [ 888.268435] __alloc_pages_nodemask+0xaed/0xec0 [ 888.273088] ? __alloc_pages_slowpath+0x2e00/0x2e00 [ 888.278090] ? __page_cache_alloc+0x191/0x5c0 [ 888.282580] ? xa_load+0x2e1/0x460 [ 888.286136] ? xa_clear_mark+0x40/0x40 [ 888.290010] ? up_read_non_owner+0x100/0x100 [ 888.294401] ? graph_lock+0x270/0x270 [ 888.298190] ? graph_lock+0x270/0x270 [ 888.301972] ? graph_lock+0x270/0x270 [ 888.305752] ? __do_page_cache_readahead+0x663/0x810 [ 888.310845] ? find_held_lock+0x36/0x1c0 [ 888.314890] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 888.320413] alloc_pages_current+0x173/0x350 [ 888.324808] __page_cache_alloc+0x38c/0x5c0 [ 888.329115] ? kasan_check_read+0x11/0x20 [ 888.333245] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 888.338531] ? generic_perform_write+0x6a0/0x6a0 [ 888.343285] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 888.348805] ? check_preemption_disabled+0x48/0x280 [ 888.353820] filemap_fault+0x1595/0x25f0 [ 888.357900] ? __lock_page_or_retry+0xa00/0xa00 [ 888.362554] ? mark_held_locks+0x130/0x130 [ 888.366785] ? find_held_lock+0x36/0x1c0 [ 888.370836] ? filemap_map_pages+0xd6b/0x1a20 [ 888.375313] ? lock_downgrade+0x900/0x900 [ 888.379445] ? check_preemption_disabled+0x48/0x280 [ 888.384445] ? kasan_check_read+0x11/0x20 [ 888.388573] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 888.393830] ? rcu_read_unlock_special+0x370/0x370 [ 888.398749] ? filemap_map_pages+0xd92/0x1a20 [ 888.403235] ? find_get_entries_tag+0x1400/0x1400 [ 888.408061] ? alloc_set_pte+0x1447/0x1f00 [ 888.412284] ? __lock_is_held+0xb5/0x140 [ 888.416328] ? lock_acquire+0x1ed/0x520 [ 888.420285] ? ext4_filemap_fault+0x7a/0xad [ 888.424588] ? lock_release+0xa00/0xa00 [ 888.428546] ? perf_trace_sched_process_exec+0x860/0x860 [ 888.433980] ? print_usage_bug+0xc0/0xc0 [ 888.438041] ? print_usage_bug+0xc0/0xc0 [ 888.442104] ? down_read+0x8d/0x120 [ 888.445711] ? ext4_filemap_fault+0x7a/0xad [ 888.450013] ? __down_interruptible+0x700/0x700 [ 888.454688] ext4_filemap_fault+0x82/0xad [ 888.458819] __do_fault+0x100/0x6b0 [ 888.462428] ? pmd_devmap_trans_unstable+0x220/0x220 [ 888.467532] ? mark_held_locks+0x130/0x130 [ 888.471751] ? mark_held_locks+0x130/0x130 [ 888.475968] ? do_raw_spin_unlock+0xa7/0x330 [ 888.480374] ? do_raw_spin_trylock+0x270/0x270 [ 888.484943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 888.490464] __handle_mm_fault+0x3e76/0x5b70 [ 888.494861] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 888.499688] ? find_held_lock+0x36/0x1c0 [ 888.503743] ? graph_lock+0x270/0x270 [ 888.507524] ? graph_lock+0x270/0x270 [ 888.511309] ? find_held_lock+0x36/0x1c0 [ 888.515354] ? handle_mm_fault+0x42a/0xc70 [ 888.519585] ? lock_downgrade+0x900/0x900 [ 888.523717] ? check_preemption_disabled+0x48/0x280 [ 888.528723] ? kasan_check_read+0x11/0x20 [ 888.532850] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 888.538108] ? rcu_read_unlock_special+0x370/0x370 [ 888.543017] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 888.548534] ? check_preemption_disabled+0x48/0x280 [ 888.553532] handle_mm_fault+0x54f/0xc70 [ 888.557574] ? __handle_mm_fault+0x5b70/0x5b70 [ 888.562138] ? find_vma+0x34/0x190 [ 888.565669] __do_page_fault+0x5f6/0xd70 [ 888.569734] ? kernel_write+0x120/0x120 [ 888.573693] do_page_fault+0xf2/0x7e0 [ 888.577478] ? vmalloc_sync_all+0x30/0x30 [ 888.581662] ? error_entry+0x70/0xd0 [ 888.585367] ? trace_hardirqs_off_caller+0xbb/0x310 [ 888.590362] ? trace_hardirqs_on_caller+0xc0/0x310 [ 888.595273] ? syscall_return_slowpath+0x5e0/0x5e0 [ 888.600182] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 888.605021] ? trace_hardirqs_on_caller+0x310/0x310 [ 888.610047] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 888.615479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 888.621014] ? prepare_exit_to_usermode+0x291/0x3b0 [ 888.626013] ? page_fault+0x8/0x30 [ 888.629537] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 888.634362] ? page_fault+0x8/0x30 [ 888.637887] page_fault+0x1e/0x30 [ 888.641321] RIP: 0033:0x7f6870774a54 [ 888.645027] Code: Bad RIP value. [ 888.648372] RSP: 002b:00007f686e3a5d68 EFLAGS: 00010202 [ 888.653713] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000001 [ 888.660964] RDX: 0000000000001004 RSI: 000000000000003e RDI: 00007f686f9d8621 [ 888.668216] RBP: 000000000000003e R08: 00007f686f9d8620 R09: 0000000000000000 [ 888.675469] R10: 6b205d3435373936 R11: 0000000000000000 R12: 00000000000003e7 [ 888.682720] R13: 0000000000000002 R14: 00007f686fbda5a0 R15: 00007f686fbdb5a0 [ 888.695605] Mem-Info: [ 888.714462] active_anon:4127 inactive_anon:183 isolated_anon:0 [ 888.714462] active_file:10 inactive_file:23 isolated_file:0 [ 888.714462] unevictable:0 dirty:0 writeback:0 unstable:0 [ 888.714462] slab_reclaimable:14580 slab_unreclaimable:1515865 [ 888.714462] mapped:2 shmem:244 pagetables:445 bounce:0 [ 888.714462] free:24081 free_pcp:225 free_cma:0 [ 888.750785] Node 0 active_anon:16508kB inactive_anon:732kB active_file:48kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 888.792004] 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 [ 888.858832] lowmem_reserve[]: 0 2816 6319 6319 [ 888.871530] Node 0 DMA32 free:43968kB min:30040kB low:37548kB high:45056kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2886736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 888.899247] lowmem_reserve[]: 0 0 3503 3503 [ 888.903659] Node 0 Normal free:38856kB min:80384kB low:89728kB high:99072kB active_anon:16508kB inactive_anon:732kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587560kB mlocked:0kB kernel_stack:7040kB pagetables:1780kB bounce:0kB free_pcp:76kB local_pcp:0kB free_cma:0kB [ 888.936848] lowmem_reserve[]: 0 0 0 0 [ 888.940849] 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 [ 888.954567] Node 0 DMA32: 6*4kB (UME) 21*8kB (UE) 52*16kB (UME) 30*32kB (UME) 16*64kB (UME) 2*128kB (M) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (ME) 6*4096kB (M) = 43968kB [ 888.972411] Node 0 Normal: 729*4kB (UME) 749*8kB (UMEH) 292*16kB (UME) 145*32kB (UME) 63*64kB (UM) 22*128kB (UME) 15*256kB (UM) 6*512kB (M) 5*1024kB (ME) 1*2048kB (U) 0*4096kB = 39148kB [ 889.009147] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 889.055747] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 889.067976] 324 total pagecache pages [ 889.071803] 0 pages in swap cache [ 889.075358] Swap cache stats: add 0, delete 0, find 0/0 [ 889.095065] Free swap = 0kB [ 889.104359] Total swap = 0kB [ 889.114618] 1965979 pages RAM [ 889.122195] 0 pages HighMem/MovableOnly [ 889.128784] 343428 pages reserved [ 889.132245] 0 pages cma reserved [ 889.135726] Unreclaimable slab info: [ 889.143493] Name Used Total [ 889.149174] pid_2 136KB 160KB [ 889.156224] bio-3 0KB 3KB [ 889.161668] TIPC 10KB 14KB [ 889.178431] SCTPv6 14KB 16KB [ 889.184799] DCCPv6 17KB 21KB [ 889.191249] DCCP 16KB 20KB [ 889.201969] bridge_fdb_cache 11KB 15KB [ 889.208379] fib6_nodes 77KB 80KB [ 889.214872] ip6_dst_cache 84KB 161KB [ 889.224302] RAWv6 68KB 71KB [ 889.230618] UDPv6 3KB 3KB [ 889.237001] TCPv6 23KB 23KB [ 889.242385] nf_conntrack 0KB 3KB [ 889.264242] sd_ext_cdb 0KB 3KB [ 889.269681] scsi_sense_cache 1056KB 1060KB [ 889.275053] virtio_scsi_cmd 16KB 16KB [ 889.280550] sgpool-128 8KB 8KB [ 889.286772] sgpool-64 4KB 6KB [ 889.293049] sgpool-32 2KB 7KB [ 889.313036] sgpool-16 1KB 3KB [ 889.319958] sgpool-8 0KB 3KB [ 889.328305] mqueue_inode_cache 10KB 14KB [ 889.334742] bio_post_read_ctx 14KB 15KB [ 889.341316] bio-2 14KB 15KB [ 889.347805] jfs_mp 7KB 7KB [ 889.354227] nfs_commit_data 3KB 7KB [ 889.360755] nfs_write_data 32KB 32KB [ 889.368311] ext4_system_zone 0KB 3KB [ 889.384697] bio_post_read_ctx 14KB 15KB [ 889.391020] bio-1 1KB 3KB [ 889.397748] pid_namespace 2KB 7KB [ 889.406770] rpc_buffers 17KB 19KB [ 889.413755] rpc_tasks 2KB 3KB [ 889.436005] UNIX 9KB 14KB [ 889.441693] tcp_bind_bucket 1KB 4KB [ 889.447459] ip_fib_trie 11KB 15KB [ 889.453830] ip_fib_alias 52KB 55KB [ 889.460533] ip_dst_cache 1KB 8KB [ 889.466827] RAW 40KB 43KB [ 889.473161] UDP 16KB 26KB [ 889.479481] TCP 5KB 5KB [ 889.484947] hugetlbfs_inode_cache 2KB 7KB [ 889.490817] fscache_cookie_jar 1KB 3KB [ 889.496362] eventpoll_pwq 36KB 51KB [ 889.501852] eventpoll_epi 70KB 94KB [ 889.507396] inotify_inode_mark 70KB 90KB [ 889.512979] request_queue 138KB 147KB [ 889.518516] blkdev_ioc 42KB 42KB [ 889.523959] bio-0 3453KB 3453KB [ 889.529376] biovec-max 3786KB 3786KB [ 889.534723] biovec-64 1756KB 1756KB [ 889.543475] biovec-16 618KB 618KB [ 889.549908] bio_integrity_payload 1KB 3KB [ 889.556513] khugepaged_mm_slot 0KB 3KB [ 889.563814] dmaengine-unmap-256 2KB 6KB [ 889.571463] dmaengine-unmap-128 1KB 3KB [ 889.579058] dmaengine-unmap-16 0KB 4KB [ 889.585450] dmaengine-unmap-2 0KB 3KB [ 889.591882] skbuff_fclone_cache 7KB 7KB [ 889.598564] skbuff_head_cache 573KB 1732KB [ 889.604779] configfs_dir_cache 0KB 4KB [ 889.611347] file_lock_cache 0KB 3KB [ 889.617885] file_lock_ctx 0KB 3KB [ 889.624189] fsnotify_mark_connector 42KB 55KB [ 889.630504] net_namespace 52KB 52KB [ 889.640629] shmem_inode_cache 5856KB 6050KB [ 889.646239] task_delay_info 108KB 496KB [ 889.651734] taskstats 150KB 163KB [ 889.658472] proc_dir_entry 578KB 581KB [ 889.665040] pde_opener 0KB 3KB [ 889.670489] seq_file 297KB 342KB [ 889.675860] sigqueue 35KB 208KB [ 889.681808] kernfs_node_cache 11484KB 11489KB [ 889.688134] mnt_cache 6079KB 6452KB [ 889.693532] filp 4095KB 6821KB [ 889.698940] names_cache 102616KB 102616KB [ 889.704313] iint_cache 90KB 91KB [ 889.709739] key_jar 3KB 7KB [ 889.715092] uts_namespace 2KB 7KB [ 889.720473] nsproxy 63KB 75KB [ 889.725825] vm_area_struct 7323KB 12247KB [ 889.731236] mm_struct 1148KB 3152KB [ 889.736585] fs_cache 93KB 452KB [ 889.741987] files_cache 340KB 937KB [ 889.747398] signal_cache 750KB 1990KB [ 889.752785] sighand_cache 481KB 520KB [ 889.758640] task_struct 3223KB 3267KB [ 889.764055] cred_jar 625KB 2280KB [ 889.769480] anon_vma_chain 4606KB 6878KB [ 889.774855] anon_vma 189KB 346KB [ 889.780286] pid 67KB 276KB [ 889.785677] Acpi-Operand 106KB 158KB [ 889.791113] Acpi-Namespace 19KB 23KB [ 889.796516] numa_policy 0KB 3KB [ 889.801991] trace_event_file 262KB 262KB [ 889.817007] ftrace_event_field 377KB 378KB [ 889.822471] pool_workqueue 87KB 88KB [ 889.828160] task_group 5KB 7KB [ 889.833997] debug_objects_cache 886KB 896KB [ 889.840781] page->ptl 1227KB 3257KB [ 889.847194] kmalloc-4M 5664768KB 5664768KB [ 889.852572] kmalloc-2M 2050KB 2050KB [ 889.858870] kmalloc-512k 2056KB 2056KB [ 889.865033] kmalloc-256k 516KB 516KB [ 889.870485] kmalloc-128k 520KB 520KB [ 889.875860] kmalloc-64k 594KB 594KB [ 889.881541] kmalloc-32k 1254KB 1254KB [ 889.886918] kmalloc-16k 379KB 379KB [ 889.892371] kmalloc-8k 1683KB 1683KB [ 889.897807] kmalloc-4k 18789KB 18810KB [ 889.903187] kmalloc-2k 7769KB 9996KB [ 889.908600] kmalloc-1k 6473KB 7032KB [ 889.914006] kmalloc-512 3405KB 6165KB [ 889.919430] kmalloc-256 2910KB 2940KB [ 889.924955] kmalloc-128 1456KB 1519KB [ 889.930380] kmalloc-96 3513KB 3648KB [ 889.935753] kmalloc-64 2186KB 2284KB [ 889.941174] kmalloc-32 2974KB 3173KB [ 889.946661] kmalloc-192 849KB 928KB [ 889.952085] kmem_cache 220KB 221KB [ 889.957504] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0 [ 889.957684] ,global_oom,task_memcg=/syz4,task=syz-executor4,pid=21718,uid=0 [ 889.973397] Out of memory: Kill process 21718 (syz-executor4) score 999 or sacrifice child [ 889.983705] Killed process 21724 (syz-executor4) total-vm:37704kB, anon-rss:104kB, file-rss:0kB, shmem-rss:0kB [ 889.995284] oom_reaper: reaped process 21724 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 890.243743] blkid invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), order=1, oom_score_adj=-1000 [ 890.254088] CPU: 0 PID: 21717 Comm: blkid Not tainted 4.20.0-rc5-next-20181207+ #163 [ 890.261976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 890.271359] Call Trace: [ 890.273949] dump_stack+0x244/0x39d [ 890.277586] ? dump_stack_print_info.cold.1+0x20/0x20 [ 890.282791] dump_header+0x253/0x1239 [ 890.286596] ? mark_held_locks+0x130/0x130 [ 890.290838] ? pagefault_out_of_memory+0x19d/0x19d [ 890.295787] ? mark_held_locks+0x130/0x130 [ 890.300031] ? mark_held_locks+0x130/0x130 [ 890.304267] ? __lock_acquire+0x62f/0x4c20 [ 890.308504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 890.314047] ? finish_task_switch+0x1f4/0x910 [ 890.318550] ? graph_lock+0x270/0x270 [ 890.322353] ? print_usage_bug+0xc0/0xc0 [ 890.326416] ? __switch_to_asm+0x40/0x70 [ 890.330482] ? print_usage_bug+0xc0/0xc0 [ 890.334541] ? __switch_to_asm+0x40/0x70 [ 890.338602] ? __switch_to_asm+0x34/0x70 [ 890.342694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 890.348250] ? find_held_lock+0x36/0x1c0 [ 890.352351] ? mark_held_locks+0xc7/0x130 [ 890.356500] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 890.361601] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 890.366743] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 890.371331] ? trace_hardirqs_on+0xbd/0x310 [ 890.375687] ? kasan_check_read+0x11/0x20 [ 890.379841] ? ___ratelimit+0x3b4/0x672 [ 890.383821] ? trace_hardirqs_off_caller+0x310/0x310 [ 890.388934] ? trace_hardirqs_on+0x310/0x310 [ 890.393344] ? lock_downgrade+0x900/0x900 [ 890.397501] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 890.402605] ? ___ratelimit+0x3b9/0x672 [ 890.406581] ? idr_get_free+0xf70/0xf70 [ 890.410552] ? kasan_check_read+0x11/0x20 [ 890.414727] oom_kill_process.cold.27+0x10/0x903 [ 890.419483] ? graph_lock+0x270/0x270 [ 890.423285] ? __rcu_read_unlock+0x205/0x210 [ 890.427714] ? trace_hardirqs_on+0x310/0x310 [ 890.432123] ? oom_evaluate_task+0x540/0x540 [ 890.436533] ? find_held_lock+0x36/0x1c0 [ 890.440612] ? out_of_memory+0xcc5/0x1480 [ 890.444774] ? lock_downgrade+0x900/0x900 [ 890.448924] ? check_preemption_disabled+0x48/0x280 [ 890.453945] ? __rcu_read_unlock+0x205/0x210 [ 890.458351] ? rcu_read_unlock_special+0x370/0x370 [ 890.463279] ? kasan_check_write+0x14/0x20 [ 890.467514] ? oom_evaluate_task+0x302/0x540 [ 890.471927] out_of_memory+0x8ba/0x1480 [ 890.475906] ? oom_killer_disable+0x3a0/0x3a0 [ 890.480412] ? __alloc_pages_slowpath+0xf84/0x2e00 [ 890.485346] ? __ww_mutex_check_waiters+0x160/0x160 [ 890.490377] __alloc_pages_slowpath+0x2354/0x2e00 [ 890.495248] ? warn_alloc+0x120/0x120 [ 890.499048] ? mark_held_locks+0x130/0x130 [ 890.503305] ? warn_alloc+0x120/0x120 [ 890.507124] ? print_usage_bug+0xc0/0xc0 [ 890.511208] ? print_usage_bug+0xc0/0xc0 [ 890.515270] ? filemap_map_pages+0xd92/0x1a20 [ 890.519783] ? print_usage_bug+0xc0/0xc0 [ 890.523848] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 890.529387] ? should_fail+0x22d/0xd01 [ 890.533277] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 890.538400] ? graph_lock+0x270/0x270 [ 890.542221] ? find_held_lock+0x36/0x1c0 [ 890.546314] ? lock_release+0xa00/0xa00 [ 890.550286] ? perf_trace_sched_process_exec+0x860/0x860 [ 890.555737] ? check_preemption_disabled+0x48/0x280 [ 890.560774] ? __might_sleep+0x95/0x190 [ 890.564766] __alloc_pages_nodemask+0xaed/0xec0 [ 890.569432] ? graph_lock+0x270/0x270 [ 890.573240] ? __alloc_pages_slowpath+0x2e00/0x2e00 [ 890.578266] ? find_held_lock+0x36/0x1c0 [ 890.582336] ? cache_grow_begin+0x65/0x8c0 [ 890.586576] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 890.591162] ? trace_hardirqs_on+0xbd/0x310 [ 890.595496] ? fallback_alloc+0x204/0x2e0 [ 890.599655] ? trace_hardirqs_off_caller+0x310/0x310 [ 890.604804] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 890.610351] cache_grow_begin+0xa5/0x8c0 [ 890.614416] ? do_raw_spin_unlock+0xa7/0x330 [ 890.618836] fallback_alloc+0x204/0x2e0 [ 890.622831] ____cache_alloc_node+0x1c7/0x1e0 [ 890.627335] kmem_cache_alloc+0x1f6/0x730 [ 890.631492] getname_flags+0xd0/0x590 [ 890.635329] user_path_at_empty+0x2d/0x50 [ 890.639480] vfs_statx+0x129/0x210 [ 890.643037] ? vfs_statx_fd+0xc0/0xc0 [ 890.646873] ? check_preemption_disabled+0x48/0x280 [ 890.651899] __do_sys_newfstatat+0x98/0x110 [ 890.656218] ? __do_sys_newlstat+0x110/0x110 [ 890.660629] ? do_syscall_64+0x9a/0x820 [ 890.664611] ? do_syscall_64+0x9a/0x820 [ 890.668599] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 890.673212] ? trace_hardirqs_on+0xbd/0x310 [ 890.677536] ? filp_open+0x80/0x80 [ 890.681077] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 890.686441] ? trace_hardirqs_off_caller+0x310/0x310 [ 890.691553] __x64_sys_newfstatat+0x97/0xf0 [ 890.695879] do_syscall_64+0x1b9/0x820 [ 890.699767] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 890.705134] ? syscall_return_slowpath+0x5e0/0x5e0 [ 890.710065] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 890.714953] ? trace_hardirqs_on_caller+0x310/0x310 [ 890.719971] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 890.724990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 890.730530] ? prepare_exit_to_usermode+0x291/0x3b0 [ 890.735551] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 890.740404] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 890.745591] RIP: 0033:0x7f5227cb3e1a [ 890.749338] Code: 83 c8 ff c3 90 90 90 90 90 90 90 90 90 90 90 90 83 ff 01 89 f0 48 89 d6 77 1e 48 63 f8 4d 63 d0 48 89 ca b8 06 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1a f3 c3 0f 1f 40 00 48 8b 05 e9 4f 2b 00 64 [ 890.768238] RSP: 002b:00007ffe1911dbe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 890.775948] RAX: ffffffffffffffda RBX: 00007ffe1911dcc0 RCX: 00007f5227cb3e1a [ 890.783214] RDX: 00007ffe1911dc20 RSI: 00007f5227f8ae96 RDI: 0000000000000004 [ 890.790480] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 890.797749] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5227f8ae96 [ 890.805015] R13: 00007ffe1911dc20 R14: 00007f5228195820 R15: 00007f5227f8b2a2 [ 890.826935] Mem-Info: [ 890.843589] active_anon:4131 inactive_anon:182 isolated_anon:0 [ 890.843589] active_file:52 inactive_file:73 isolated_file:9 [ 890.843589] unevictable:0 dirty:8 writeback:0 unstable:0 [ 890.843589] slab_reclaimable:14568 slab_unreclaimable:1515937 [ 890.843589] mapped:118 shmem:243 pagetables:423 bounce:0 [ 890.843589] free:24802 free_pcp:132 free_cma:0 [ 890.877967] Node 0 active_anon:16524kB inactive_anon:728kB active_file:208kB inactive_file:380kB unevictable:0kB isolated(anon):0kB isolated(file):36kB mapped:272kB dirty:32kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 890.905433] 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 [ 890.932756] lowmem_reserve[]: 0 2816 6319 6319 [ 890.946597] Node 0 DMA32 free:43968kB min:30040kB low:37548kB high:45056kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2886736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 890.977452] lowmem_reserve[]: 0 0 3503 3503 [ 890.981792] Node 0 Normal free:40164kB min:37376kB low:46720kB high:56064kB active_anon:16532kB inactive_anon:728kB active_file:384kB inactive_file:920kB unevictable:0kB writepending:32kB present:4718592kB managed:3587560kB mlocked:0kB kernel_stack:6944kB pagetables:1692kB bounce:0kB free_pcp:80kB local_pcp:0kB free_cma:0kB [ 891.010782] lowmem_reserve[]: 0 0 0 0 [ 891.014694] 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 [ 891.028578] Node 0 DMA32: 6*4kB (UME) 21*8kB (UE) 52*16kB (UME) 30*32kB (UME) 16*64kB (UME) 2*128kB (M) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (ME) 6*4096kB (M) = 43968kB [ 891.045278] Node 0 Normal: 479*4kB (UME) 670*8kB (UMEH) 339*16kB (UME) 153*32kB (UME) 71*64kB (UME) 27*128kB (UM) 16*256kB (UM) 6*512kB (M) 5*1024kB (ME) 1*2048kB (U) 0*4096kB = 39932kB [ 891.079487] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 891.091157] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 891.107698] 756 total pagecache pages [ 891.116795] 0 pages in swap cache [ 891.120990] Swap cache stats: add 0, delete 0, find 0/0 [ 891.126570] Free swap = 0kB [ 891.129766] Total swap = 0kB [ 891.132787] 1965979 pages RAM [ 891.135887] 0 pages HighMem/MovableOnly [ 891.140001] 343428 pages reserved [ 891.143458] 0 pages cma reserved [ 891.148231] Unreclaimable slab info: [ 891.152001] Name Used Total [ 891.157677] pid_2 136KB 160KB [ 891.163060] bio-3 0KB 3KB [ 891.168439] TIPC 10KB 14KB [ 891.173790] SCTPv6 14KB 16KB [ 891.179213] DCCPv6 17KB 21KB [ 891.184575] DCCP 16KB 20KB [ 891.189956] bridge_fdb_cache 11KB 15KB [ 891.195321] fib6_nodes 77KB 80KB [ 891.200919] ip6_dst_cache 84KB 161KB [ 891.206272] RAWv6 68KB 71KB [ 891.211825] UDPv6 3KB 3KB [ 891.217206] TCPv6 23KB 23KB [ 891.222560] nf_conntrack 0KB 3KB [ 891.228701] sd_ext_cdb 0KB 3KB [ 891.234053] scsi_sense_cache 1056KB 1060KB [ 891.239682] virtio_scsi_cmd 16KB 16KB [ 891.245151] sgpool-128 8KB 8KB [ 891.250616] sgpool-64 4KB 6KB [ 891.256117] sgpool-32 2KB 7KB [ 891.261781] sgpool-16 1KB 3KB [ 891.267696] sgpool-8 0KB 3KB [ 891.273260] mqueue_inode_cache 10KB 14KB [ 891.280345] bio_post_read_ctx 14KB 15KB [ 891.288149] bio-2 14KB 15KB [ 891.294728] jfs_mp 7KB 7KB [ 891.301288] nfs_commit_data 3KB 7KB [ 891.309755] nfs_write_data 32KB 32KB [ 891.316304] ext4_system_zone 0KB 3KB [ 891.322753] bio_post_read_ctx 14KB 15KB [ 891.329526] bio-1 1KB 3KB [ 891.335615] pid_namespace 2KB 7KB [ 891.341964] rpc_buffers 17KB 19KB [ 891.348565] rpc_tasks 2KB 3KB [ 891.354907] UNIX 9KB 14KB [ 891.365311] tcp_bind_bucket 1KB 4KB [ 891.372156] ip_fib_trie 11KB 15KB [ 891.378744] ip_fib_alias 52KB 55KB [ 891.385107] ip_dst_cache 1KB 8KB [ 891.391823] RAW 40KB 43KB [ 891.398397] UDP 16KB 26KB [ 891.404821] TCP 5KB 5KB [ 891.418480] hugetlbfs_inode_cache 2KB 7KB [ 891.430874] fscache_cookie_jar 1KB 3KB [ 891.437639] eventpoll_pwq 36KB 51KB [ 891.444485] eventpoll_epi 69KB 94KB [ 891.450607] inotify_inode_mark 70KB 90KB [ 891.457578] request_queue 138KB 147KB [ 891.465351] blkdev_ioc 42KB 42KB [ 891.488573] bio-0 3656KB 3656KB [ 891.517699] biovec-max 3861KB 3861KB [ 891.523210] biovec-64 1953KB 1953KB [ 891.528741] biovec-16 667KB 667KB [ 891.534305] bio_integrity_payload 1KB 3KB [ 891.540225] khugepaged_mm_slot 0KB 3KB [ 891.545871] dmaengine-unmap-256 2KB 6KB [ 891.551551] dmaengine-unmap-128 1KB 3KB [ 891.557342] dmaengine-unmap-16 0KB 4KB [ 891.562935] dmaengine-unmap-2 0KB 3KB [ 891.568609] skbuff_fclone_cache 7KB 7KB [ 891.574290] skbuff_head_cache 573KB 1732KB [ 891.594103] configfs_dir_cache 0KB 4KB [ 891.600414] file_lock_cache 0KB 3KB 2018/12/08 01:50:28 executed programs: 3551 [ 891.613181] file_lock_ctx 0KB 3KB [ 891.629745] fsnotify_mark_connector 42KB 55KB [ 891.644762] net_namespace 52KB 52KB [ 891.651617] shmem_inode_cache 5856KB 6050KB [ 891.669161] task_delay_info 107KB 496KB [ 891.682926] taskstats 150KB 163KB [ 891.692635] proc_dir_entry 578KB 581KB [ 891.702557] pde_opener 0KB 3KB [ 891.732286] seq_file 294KB 342KB [ 891.755579] sigqueue 35KB 208KB [ 891.761089] kernfs_node_cache 11484KB 11489KB [ 891.788776] mnt_cache 6060KB 6440KB [ 891.794377] filp 4061KB 6810KB [ 891.800059] names_cache 101817KB 101817KB [ 891.808678] iint_cache 90KB 91KB [ 891.830575] key_jar 3KB 7KB [ 891.836169] uts_namespace 2KB 7KB [ 891.843217] nsproxy 63KB 75KB [ 891.848925] vm_area_struct 7254KB 12247KB [ 891.854674] mm_struct 1140KB 3126KB [ 891.866186] fs_cache 87KB 440KB [ 891.875915] files_cache 330KB 915KB [ 891.883750] signal_cache 743KB 1983KB [ 891.899510] sighand_cache 469KB 520KB [ 891.908378] task_struct 3211KB 3242KB [ 891.917436] cred_jar 619KB 2276KB [ 891.932768] anon_vma_chain 4560KB 6874KB [ 891.939593] anon_vma 189KB 346KB [ 891.946023] pid 66KB 276KB [ 891.955749] Acpi-Operand 106KB 158KB [ 891.967307] Acpi-Namespace 19KB 23KB [ 891.978785] numa_policy 0KB 3KB [ 892.005841] trace_event_file 262KB 262KB [ 892.016550] ftrace_event_field 377KB 378KB [ 892.051560] pool_workqueue 87KB 88KB [ 892.075971] task_group 5KB 7KB [ 892.090025] debug_objects_cache 886KB 896KB [ 892.096304] page->ptl 1227KB 3257KB [ 892.102169] kmalloc-4M 5664768KB 5664768KB [ 892.122149] kmalloc-2M 2050KB 2050KB [ 892.157438] kmalloc-512k 2056KB 2056KB [ 892.162857] kmalloc-256k 516KB 516KB [ 892.171594] kmalloc-128k 520KB 520KB [ 892.178291] kmalloc-64k 594KB 594KB [ 892.183762] kmalloc-32k 1254KB 1254KB [ 892.189238] kmalloc-16k 379KB 379KB [ 892.194699] kmalloc-8k 1683KB 1683KB [ 892.200260] kmalloc-4k 18619KB 18640KB [ 892.205873] kmalloc-2k 7758KB 9983KB [ 892.211398] kmalloc-1k 6513KB 7032KB [ 892.216877] kmalloc-512 3405KB 6165KB [ 892.222424] kmalloc-256 2907KB 2940KB [ 892.227925] kmalloc-128 1452KB 1519KB [ 892.233736] kmalloc-96 3550KB 3648KB [ 892.239769] kmalloc-64 2186KB 2284KB [ 892.245687] kmalloc-32 2970KB 3173KB [ 892.251134] kmalloc-192 864KB 928KB [ 892.256517] kmem_cache 220KB 221KB [ 892.261956] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0 [ 892.261972] ,global_oom,task_memcg=/syz2,task=syz-executor2,pid=21727,uid=0 [ 892.277955] Out of memory: Kill process 21727 (syz-executor2) score 999 or sacrifice child [ 892.440772] syz-executor5 invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=1000 [ 892.455696] CPU: 1 PID: 21734 Comm: syz-executor5 Not tainted 4.20.0-rc5-next-20181207+ #163 [ 892.464290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 892.473638] Call Trace: [ 892.476240] dump_stack+0x244/0x39d [ 892.479878] ? dump_stack_print_info.cold.1+0x20/0x20 [ 892.485081] dump_header+0x253/0x1239 [ 892.488897] ? pagefault_out_of_memory+0x19d/0x19d [ 892.493835] ? mark_held_locks+0x130/0x130 [ 892.498087] ? __lock_acquire+0x62f/0x4c20 [ 892.502324] ? __sched_text_start+0x8/0x8 [ 892.506483] ? graph_lock+0x270/0x270 [ 892.510287] ? print_usage_bug+0xc0/0xc0 [ 892.514347] ? graph_lock+0x270/0x270 [ 892.518159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 892.523713] ? find_held_lock+0x36/0x1c0 [ 892.527786] ? mark_held_locks+0xc7/0x130 [ 892.531936] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 892.537043] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 892.542147] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 892.546739] ? trace_hardirqs_on+0xbd/0x310 [ 892.551063] ? kasan_check_read+0x11/0x20 [ 892.555230] ? ___ratelimit+0x3b4/0x672 [ 892.559210] ? trace_hardirqs_off_caller+0x310/0x310 [ 892.564318] ? trace_hardirqs_on+0x310/0x310 [ 892.568730] ? lock_downgrade+0x900/0x900 [ 892.572886] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 892.577990] ? ___ratelimit+0x3b9/0x672 [ 892.581970] ? idr_get_free+0xf70/0xf70 [ 892.585943] ? kasan_check_read+0x11/0x20 [ 892.590093] ? do_raw_spin_unlock+0xa7/0x330 [ 892.594511] oom_kill_process.cold.27+0x10/0x903 [ 892.599275] ? graph_lock+0x270/0x270 [ 892.603080] ? _raw_spin_unlock+0x2c/0x50 [ 892.607257] ? oom_badness+0xe6/0xaa0 [ 892.611078] ? oom_evaluate_task+0x540/0x540 [ 892.615490] ? find_held_lock+0x36/0x1c0 [ 892.619565] ? out_of_memory+0xcc5/0x1480 [ 892.623723] ? lock_downgrade+0x900/0x900 [ 892.627874] ? check_preemption_disabled+0x48/0x280 [ 892.632901] ? kasan_check_read+0x11/0x20 [ 892.637050] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 892.642327] ? rcu_read_unlock_special+0x370/0x370 [ 892.647262] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 892.652281] ? oom_evaluate_task+0x302/0x540 [ 892.656692] out_of_memory+0x8ba/0x1480 [ 892.660695] ? oom_killer_disable+0x3a0/0x3a0 [ 892.665205] ? __alloc_pages_slowpath+0xf84/0x2e00 [ 892.670138] ? __ww_mutex_check_waiters+0x160/0x160 [ 892.675177] __alloc_pages_slowpath+0x2354/0x2e00 [ 892.680051] ? warn_alloc+0x120/0x120 [ 892.683857] ? mark_held_locks+0x130/0x130 [ 892.688092] ? graph_lock+0x270/0x270 [ 892.691897] ? graph_lock+0x270/0x270 [ 892.695716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 892.701258] ? PageHuge+0x183/0x2b0 [ 892.704885] ? vma_kernel_pagesize+0xb0/0xb0 [ 892.709295] ? mark_held_locks+0x130/0x130 [ 892.713536] ? find_held_lock+0x36/0x1c0 [ 892.717610] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 892.723156] ? should_fail+0x22d/0xd01 [ 892.727054] ? page_trans_huge_mapcount+0x29d/0x8b0 [ 892.732078] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 892.737190] ? graph_lock+0x270/0x270 [ 892.740995] ? do_raw_spin_trylock+0x270/0x270 [ 892.745582] ? mem_cgroup_hierarchy_write+0x230/0x230 [ 892.750789] ? __lock_is_held+0xb5/0x140 [ 892.754868] ? lock_release+0xa00/0xa00 [ 892.758847] ? perf_trace_sched_process_exec+0x860/0x860 [ 892.764308] ? __might_sleep+0x95/0x190 [ 892.768290] __alloc_pages_nodemask+0xaed/0xec0 [ 892.772961] ? page_swapcount+0x1c0/0x1c0 [ 892.777110] ? rcu_read_unlock_special+0x370/0x370 [ 892.782047] ? __alloc_pages_slowpath+0x2e00/0x2e00 [ 892.787072] ? unlock_page_memcg+0x2c/0x40 [ 892.791391] ? __set_page_dirty_buffers+0x36f/0x810 [ 892.796429] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 892.801971] ? __radix_tree_lookup+0x3b6/0x510 [ 892.806560] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 892.812102] alloc_pages_vma+0x11e/0x4a0 [ 892.816185] wp_page_copy+0x40c/0x2710 [ 892.820086] ? follow_pfn+0x2e0/0x2e0 [ 892.823893] ? check_preemption_disabled+0x48/0x280 [ 892.828918] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 892.834456] ? reuse_swap_page+0x4bd/0x1520 [ 892.838784] ? find_held_lock+0x36/0x1c0 [ 892.842847] ? swp_swapcount+0x520/0x520 [ 892.846909] ? balance_dirty_pages+0x3800/0x3800 [ 892.851673] ? set_page_dirty+0x639/0x1030 [ 892.855916] ? __writepage+0xe0/0xe0 [ 892.859651] ? __lock_is_held+0xb5/0x140 [ 892.863733] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 892.869273] ? graph_lock+0x270/0x270 [ 892.873080] ? graph_lock+0x270/0x270 [ 892.876881] ? ext4_page_mkwrite+0xc1e/0x14a0 [ 892.881386] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 892.886928] ? unlock_page+0x2c2/0x4c0 [ 892.890823] ? find_held_lock+0x36/0x1c0 [ 892.894893] ? do_wp_page+0x518/0x2920 [ 892.898788] ? lock_downgrade+0x900/0x900 [ 892.902936] ? wake_up_page_bit+0x6f0/0x6f0 [ 892.907269] ? kasan_check_read+0x11/0x20 [ 892.911417] ? do_raw_spin_unlock+0xa7/0x330 [ 892.915828] ? do_raw_spin_trylock+0x270/0x270 [ 892.920413] ? __pte_alloc_kernel+0x210/0x210 [ 892.924916] ? finish_mkwrite_fault+0x47a/0x650 [ 892.929599] do_wp_page+0x520/0x2920 [ 892.933320] ? __free_object+0x173/0x340 [ 892.937390] ? finish_mkwrite_fault+0x650/0x650 [ 892.942062] ? trace_hardirqs_on+0xbd/0x310 [ 892.946383] ? kasan_check_read+0x11/0x20 [ 892.950537] ? __free_object+0x173/0x340 [ 892.954601] ? trace_hardirqs_off_caller+0x310/0x310 [ 892.959723] ? __lock_acquire+0x62f/0x4c20 [ 892.963960] ? __free_object+0x173/0x340 [ 892.968025] ? debug_object_free+0x325/0x690 [ 892.972433] ? trace_hardirqs_off_caller+0x310/0x310 [ 892.977549] ? mark_held_locks+0x130/0x130 [ 892.981795] ? debug_object_destroy+0x2b0/0x2b0 [ 892.986525] ? futex_wake+0x760/0x760 [ 892.990332] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 892.995899] ? __hrtimer_init+0xdb/0x240 [ 892.999972] ? destroy_hrtimer_on_stack+0x1c/0x20 [ 893.004818] ? futex_wait+0x5ec/0xa50 [ 893.008638] ? print_usage_bug+0xc0/0xc0 [ 893.012708] ? print_usage_bug+0xc0/0xc0 [ 893.016770] ? clock_was_set_work+0x30/0x30 [ 893.021101] ? check_preemption_disabled+0x48/0x280 [ 893.026141] ? lock_acquire+0x1ed/0x520 [ 893.030122] ? __handle_mm_fault+0x1f7f/0x5b70 [ 893.034717] ? kasan_check_write+0x14/0x20 [ 893.038958] ? do_raw_spin_lock+0x14f/0x350 [ 893.043282] ? rwlock_bug.part.2+0x90/0x90 [ 893.047514] ? do_raw_spin_trylock+0x270/0x270 [ 893.052140] __handle_mm_fault+0x3bbf/0x5b70 [ 893.056560] ? kasan_check_read+0x11/0x20 [ 893.060718] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 893.065564] ? graph_lock+0x270/0x270 [ 893.069380] ? graph_lock+0x270/0x270 [ 893.073393] ? graph_lock+0x270/0x270 [ 893.077203] ? graph_lock+0x270/0x270 [ 893.081005] ? __x64_sys_futex+0x53e/0x6a0 [ 893.085249] ? find_held_lock+0x36/0x1c0 [ 893.089321] ? handle_mm_fault+0x42a/0xc70 [ 893.093562] ? lock_downgrade+0x900/0x900 [ 893.097715] ? check_preemption_disabled+0x48/0x280 [ 893.102743] ? kasan_check_read+0x11/0x20 [ 893.106895] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 893.112183] ? rcu_read_unlock_special+0x370/0x370 [ 893.117122] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 893.122667] ? check_preemption_disabled+0x48/0x280 [ 893.127724] handle_mm_fault+0x54f/0xc70 [ 893.131789] ? __handle_mm_fault+0x5b70/0x5b70 [ 893.136374] ? find_vma+0x34/0x190 [ 893.139923] __do_page_fault+0x5f6/0xd70 [ 893.143986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 893.149553] do_page_fault+0xf2/0x7e0 [ 893.153370] ? vmalloc_sync_all+0x30/0x30 [ 893.157520] ? error_entry+0x70/0xd0 [ 893.161237] ? trace_hardirqs_off_caller+0xbb/0x310 [ 893.166253] ? trace_hardirqs_on_caller+0xc0/0x310 [ 893.171194] ? syscall_return_slowpath+0x5e0/0x5e0 [ 893.176129] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 893.180981] ? trace_hardirqs_on_caller+0x310/0x310 [ 893.186001] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 893.191460] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 893.196480] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 893.202023] ? prepare_exit_to_usermode+0x291/0x3b0 [ 893.207563] ? page_fault+0x8/0x30 [ 893.211109] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 893.215967] ? page_fault+0x8/0x30 [ 893.219512] page_fault+0x1e/0x30 [ 893.222968] RIP: 0033:0x40a2f4 [ 893.226173] Code: 3d d0 cd 2f 00 00 48 89 ea 48 89 de 4c 89 f7 0f 85 e1 00 00 00 e8 1c 26 00 00 8b 05 16 dd 31 00 48 8b 15 3f 5d 63 00 83 c0 01 <89> 05 06 dd 31 00 89 02 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f [ 893.245076] RSP: 002b:00007ffcebfb1da0 EFLAGS: 00010202 [ 893.250436] RAX: 0000000000000001 RBX: 0000001b31520014 RCX: 0000001b32520000 [ 893.257715] RDX: 0000001b31520000 RSI: 0000000000000001 RDI: 0000000000000000 [ 893.264993] RBP: 0000001b31520018 R08: 0000000000000000 R09: 0000000000000000 [ 893.272273] R10: 00007ffcebfb1ed0 R11: 0000000000000246 R12: 0000001b3152001c [ 893.279539] R13: 00000000000003e8 R14: 000000000072bf00 R15: 00000000000d9deb [ 893.295987] Mem-Info: [ 893.298576] active_anon:4117 inactive_anon:184 isolated_anon:0 [ 893.298576] active_file:141 inactive_file:308 isolated_file:6 [ 893.298576] unevictable:0 dirty:2 writeback:0 unstable:0 [ 893.298576] slab_reclaimable:14601 slab_unreclaimable:1515552 [ 893.298576] mapped:334 shmem:244 pagetables:450 bounce:0 [ 893.298576] free:24284 free_pcp:285 free_cma:0 [ 893.339607] Node 0 active_anon:16544kB inactive_anon:736kB active_file:604kB inactive_file:728kB unevictable:0kB isolated(anon):0kB isolated(file):232kB mapped:1292kB dirty:16kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 893.370514] 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 [ 893.397042] lowmem_reserve[]: 0 2816 6319 6319 [ 893.401827] Node 0 DMA32 free:43984kB min:30040kB low:37548kB high:45056kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2886736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 893.429744] lowmem_reserve[]: 0 0 3503 3503 [ 893.434304] Node 0 Normal free:37500kB min:37376kB low:46720kB high:56064kB active_anon:16544kB inactive_anon:736kB active_file:556kB inactive_file:640kB unevictable:0kB writepending:16kB present:4718592kB managed:3587560kB mlocked:0kB kernel_stack:7168kB pagetables:1844kB bounce:0kB free_pcp:1084kB local_pcp:120kB free_cma:0kB [ 893.492144] lowmem_reserve[]: 0 0 0 0 [ 893.496003] 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 [ 893.529038] Node 0 DMA32: 6*4kB (UME) 23*8kB (UE) 52*16kB (UME) 30*32kB (UME) 16*64kB (UME) 2*128kB (M) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (ME) 6*4096kB (M) = 43984kB [ 893.550016] Node 0 Normal: 460*4kB (UM) 559*8kB (MEH) 316*16kB (UMEH) 148*32kB (UME) 70*64kB (UM) 28*128kB (UME) 17*256kB (UME) 7*512kB (ME) 4*1024kB (M) 1*2048kB (U) 0*4096kB = 38248kB [ 893.568020] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 893.577264] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 893.585951] 396 total pagecache pages [ 893.589968] 0 pages in swap cache [ 893.593432] Swap cache stats: add 0, delete 0, find 0/0 [ 893.598863] Free swap = 0kB [ 893.601981] Total swap = 0kB [ 893.605102] 1965979 pages RAM [ 893.609249] 0 pages HighMem/MovableOnly [ 893.614006] 343428 pages reserved [ 893.618627] 0 pages cma reserved [ 893.623132] Unreclaimable slab info: [ 893.628513] Name Used Total [ 893.635174] pid_2 136KB 160KB [ 893.662488] bio-3 0KB 3KB [ 893.683131] TIPC 10KB 14KB [ 893.688790] SCTPv6 14KB 16KB [ 893.694269] DCCPv6 17KB 21KB [ 893.699896] DCCP 16KB 20KB [ 893.705386] bridge_fdb_cache 11KB 15KB [ 893.710956] fib6_nodes 77KB 80KB [ 893.717229] ip6_dst_cache 82KB 161KB [ 893.722703] RAWv6 68KB 71KB [ 893.728235] UDPv6 3KB 3KB [ 893.733753] TCPv6 23KB 23KB [ 893.739277] nf_conntrack 0KB 3KB [ 893.744842] sd_ext_cdb 0KB 3KB [ 893.750360] scsi_sense_cache 1056KB 1060KB [ 893.755843] virtio_scsi_cmd 16KB 16KB [ 893.761454] sgpool-128 8KB 8KB [ 893.766925] sgpool-64 4KB 6KB [ 893.776885] sgpool-32 2KB 7KB [ 893.783503] sgpool-16 1KB 3KB [ 893.791167] sgpool-8 0KB 3KB [ 893.796655] mqueue_inode_cache 10KB 14KB [ 893.802795] bio_post_read_ctx 14KB 15KB [ 893.810447] bio-2 14KB 15KB [ 893.828622] jfs_mp 7KB 7KB [ 893.834226] nfs_commit_data 3KB 7KB [ 893.839929] nfs_write_data 32KB 32KB [ 893.845560] ext4_system_zone 0KB 3KB [ 893.851255] bio_post_read_ctx 14KB 15KB [ 893.856866] bio-1 1KB 3KB [ 893.862630] pid_namespace 2KB 7KB [ 893.868376] rpc_buffers 17KB 19KB [ 893.874003] rpc_tasks 2KB 3KB [ 893.879760] UNIX 9KB 14KB [ 893.885354] tcp_bind_bucket 1KB 4KB [ 893.891006] ip_fib_trie 11KB 15KB [ 893.896588] ip_fib_alias 52KB 55KB [ 893.903364] ip_dst_cache 1KB 8KB [ 893.910539] RAW 40KB 43KB [ 893.916034] UDP 16KB 26KB [ 893.922468] TCP 5KB 5KB [ 893.928532] hugetlbfs_inode_cache 2KB 7KB [ 893.935411] fscache_cookie_jar 1KB 3KB [ 893.944190] eventpoll_pwq 35KB 51KB [ 893.949793] eventpoll_epi 68KB 94KB [ 893.955267] inotify_inode_mark 66KB 90KB [ 893.961231] request_queue 138KB 147KB [ 893.967736] blkdev_ioc 46KB 46KB [ 893.974112] bio-0 3933KB 3933KB [ 893.979626] biovec-max 4017KB 4017KB [ 893.985133] biovec-64 2118KB 2118KB [ 893.990850] biovec-16 735KB 735KB [ 893.996321] bio_integrity_payload 1KB 3KB [ 894.002190] khugepaged_mm_slot 0KB 3KB [ 894.008145] dmaengine-unmap-256 2KB 6KB [ 894.014846] dmaengine-unmap-128 1KB 3KB [ 894.022248] dmaengine-unmap-16 0KB 4KB [ 894.028367] dmaengine-unmap-2 0KB 3KB [ 894.035198] skbuff_fclone_cache 7KB 7KB [ 894.040794] skbuff_head_cache 573KB 1732KB [ 894.046151] configfs_dir_cache 0KB 4KB [ 894.051619] file_lock_cache 0KB 3KB [ 894.058610] file_lock_ctx 0KB 3KB [ 894.063998] fsnotify_mark_connector 39KB 55KB [ 894.070510] net_namespace 52KB 52KB [ 894.075871] shmem_inode_cache 5830KB 6050KB [ 894.081290] task_delay_info 107KB 496KB [ 894.086659] taskstats 150KB 163KB [ 894.092050] proc_dir_entry 578KB 581KB [ 894.097433] pde_opener 0KB 3KB [ 894.102780] seq_file 289KB 342KB [ 894.108186] sigqueue 33KB 208KB [ 894.113539] kernfs_node_cache 11484KB 11489KB [ 894.118962] mnt_cache 6060KB 6440KB [ 894.124474] filp 4017KB 6787KB [ 894.129990] names_cache 101549KB 101549KB [ 894.135510] iint_cache 87KB 91KB [ 894.141386] key_jar 3KB 7KB [ 894.146863] uts_namespace 2KB 7KB [ 894.154429] nsproxy 63KB 75KB [ 894.160854] vm_area_struct 7198KB 12231KB [ 894.167347] mm_struct 1100KB 3042KB [ 894.173882] fs_cache 87KB 436KB [ 894.181502] files_cache 323KB 903KB [ 894.188053] signal_cache 741KB 1983KB [ 894.194349] sighand_cache 497KB 513KB [ 894.201478] task_struct 3211KB 3242KB [ 894.208180] cred_jar 616KB 2268KB [ 894.214486] anon_vma_chain 4534KB 6870KB [ 894.220977] anon_vma 189KB 346KB [ 894.226803] pid 66KB 276KB [ 894.233960] Acpi-Operand 106KB 158KB [ 894.239500] Acpi-Namespace 19KB 23KB [ 894.244867] numa_policy 0KB 3KB [ 894.250284] trace_event_file 262KB 262KB [ 894.255672] ftrace_event_field 377KB 378KB [ 894.261237] pool_workqueue 87KB 88KB [ 894.266603] task_group 5KB 7KB [ 894.272226] debug_objects_cache 886KB 896KB [ 894.277950] page->ptl 1214KB 3257KB [ 894.283343] kmalloc-4M 5664768KB 5664768KB [ 894.288754] kmalloc-2M 2050KB 2050KB [ 894.294128] kmalloc-512k 2056KB 2056KB [ 894.299955] kmalloc-256k 516KB 516KB [ 894.305320] kmalloc-128k 520KB 520KB [ 894.310718] kmalloc-64k 594KB 594KB [ 894.316071] kmalloc-32k 1254KB 1254KB [ 894.321527] kmalloc-16k 379KB 379KB [ 894.326913] kmalloc-8k 1683KB 1683KB [ 894.332830] kmalloc-4k 18568KB 18606KB [ 894.338217] kmalloc-2k 7749KB 9976KB [ 894.343564] kmalloc-1k 6513KB 7032KB [ 894.349001] kmalloc-512 3377KB 6142KB [ 894.354381] kmalloc-256 2906KB 2940KB [ 894.359784] kmalloc-128 1445KB 1519KB [ 894.365140] kmalloc-96 3558KB 3648KB [ 894.370532] kmalloc-64 2181KB 2284KB [ 894.375880] kmalloc-32 2970KB 3173KB [ 894.383353] kmalloc-192 864KB 928KB [ 894.389014] kmem_cache 220KB 221KB [ 894.394380] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=syz5,mems_allowed=0 [ 894.394452] ,global_oom,task_memcg=/syz5,task=syz-executor5,pid=21734,uid=0 [ 894.410485] Out of memory: Kill process 21734 (syz-executor5) score 999 or sacrifice child [ 894.420610] Killed process 21734 (syz-executor5) total-vm:37572kB, anon-rss:88kB, file-rss:0kB, shmem-rss:0kB [ 894.432072] oom_reaper: reaped process 21734 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 894.497629] udevd invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), order=1, oom_score_adj=-1000 [ 894.514371] CPU: 1 PID: 6069 Comm: udevd Not tainted 4.20.0-rc5-next-20181207+ #163 [ 894.522191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 894.531550] Call Trace: [ 894.534151] dump_stack+0x244/0x39d [ 894.537804] ? dump_stack_print_info.cold.1+0x20/0x20 [ 894.543017] dump_header+0x253/0x1239 [ 894.546831] ? mark_held_locks+0x130/0x130 [ 894.551089] ? pagefault_out_of_memory+0x19d/0x19d [ 894.556032] ? mark_held_locks+0x130/0x130 [ 894.560289] ? mark_held_locks+0x130/0x130 [ 894.564534] ? __lock_acquire+0x62f/0x4c20 [ 894.568781] ? compaction_suitable+0x550/0x550 [ 894.573376] ? print_usage_bug+0xc0/0xc0 [ 894.577450] ? mem_cgroup_css_online+0x3d0/0x3d0 [ 894.582222] ? graph_lock+0x270/0x270 [ 894.586041] ? print_usage_bug+0xc0/0xc0 [ 894.590115] ? __lock_acquire+0x62f/0x4c20 [ 894.594372] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 894.599929] ? find_held_lock+0x36/0x1c0 [ 894.604007] ? mark_held_locks+0xc7/0x130 [ 894.608174] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 894.613285] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 894.618403] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 894.622998] ? trace_hardirqs_on+0xbd/0x310 [ 894.627331] ? kasan_check_read+0x11/0x20 [ 894.631489] ? ___ratelimit+0x3b4/0x672 [ 894.635477] ? trace_hardirqs_off_caller+0x310/0x310 [ 894.640594] ? trace_hardirqs_on+0x310/0x310 [ 894.645012] ? lock_downgrade+0x900/0x900 [ 894.649183] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 894.654296] ? ___ratelimit+0x3b9/0x672 [ 894.658302] ? idr_get_free+0xf70/0xf70 [ 894.662296] ? kasan_check_read+0x11/0x20 [ 894.666455] ? do_raw_spin_unlock+0xa7/0x330 [ 894.670883] oom_kill_process.cold.27+0x10/0x903 [ 894.675664] ? graph_lock+0x270/0x270 [ 894.679478] ? _raw_spin_unlock+0x2c/0x50 [ 894.683649] ? oom_badness+0xe6/0xaa0 [ 894.687472] ? oom_evaluate_task+0x540/0x540 [ 894.691895] ? find_held_lock+0x36/0x1c0 [ 894.695971] ? out_of_memory+0xcc5/0x1480 [ 894.700132] ? lock_downgrade+0x900/0x900 [ 894.704300] ? check_preemption_disabled+0x48/0x280 [ 894.709339] ? kasan_check_read+0x11/0x20 [ 894.713502] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 894.718794] ? rcu_read_unlock_special+0x370/0x370 [ 894.723750] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 894.728780] ? oom_evaluate_task+0x302/0x540 [ 894.733213] out_of_memory+0x8ba/0x1480 [ 894.737215] ? oom_killer_disable+0x3a0/0x3a0 [ 894.741732] ? __alloc_pages_slowpath+0xf84/0x2e00 [ 894.746688] ? __ww_mutex_check_waiters+0x160/0x160 [ 894.751729] __alloc_pages_slowpath+0x2354/0x2e00 [ 894.756621] ? warn_alloc+0x120/0x120 [ 894.760448] ? mark_held_locks+0x130/0x130 [ 894.764708] ? warn_alloc+0x120/0x120 [ 894.768527] ? print_usage_bug+0xc0/0xc0 [ 894.772605] ? print_usage_bug+0xc0/0xc0 [ 894.776695] ? print_usage_bug+0xc0/0xc0 [ 894.780779] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 894.786414] ? should_fail+0x22d/0xd01 [ 894.790383] ? __wake_up_common_lock+0x1d0/0x330 [ 894.795157] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 894.800284] ? graph_lock+0x270/0x270 [ 894.804117] ? find_held_lock+0x36/0x1c0 [ 894.808218] ? lock_release+0xa00/0xa00 [ 894.812211] ? perf_trace_sched_process_exec+0x860/0x860 [ 894.817678] ? check_preemption_disabled+0x48/0x280 [ 894.822719] ? __might_sleep+0x95/0x190 [ 894.826713] __alloc_pages_nodemask+0xaed/0xec0 [ 894.831395] ? graph_lock+0x270/0x270 [ 894.835212] ? __alloc_pages_slowpath+0x2e00/0x2e00 [ 894.840250] ? find_held_lock+0x36/0x1c0 [ 894.844329] ? cache_grow_begin+0x65/0x8c0 [ 894.848577] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 894.853181] ? trace_hardirqs_on+0xbd/0x310 [ 894.857517] ? fallback_alloc+0x204/0x2e0 [ 894.861686] ? trace_hardirqs_off_caller+0x310/0x310 [ 894.866835] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 894.872388] cache_grow_begin+0xa5/0x8c0 [ 894.876461] ? do_raw_spin_unlock+0xa7/0x330 [ 894.880894] fallback_alloc+0x204/0x2e0 [ 894.884891] ____cache_alloc_node+0x1c7/0x1e0 [ 894.889403] kmem_cache_alloc+0x1f6/0x730 [ 894.893574] getname_flags+0xd0/0x590 [ 894.897389] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 894.902940] user_path_at_empty+0x2d/0x50 [ 894.907106] do_readlinkat+0x156/0x410 [ 894.911013] ? __do_compat_sys_newfstat+0x100/0x100 [ 894.916042] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 894.920651] ? trace_hardirqs_on+0xbd/0x310 [ 894.924983] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 894.930360] ? trace_hardirqs_off_caller+0x310/0x310 [ 894.935483] __x64_sys_readlink+0x78/0xb0 [ 894.939657] do_syscall_64+0x1b9/0x820 [ 894.943553] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 894.948927] ? syscall_return_slowpath+0x5e0/0x5e0 [ 894.953872] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 894.958732] ? trace_hardirqs_on_caller+0x310/0x310 [ 894.963762] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 894.969316] ? prepare_exit_to_usermode+0x291/0x3b0 [ 894.974350] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 894.979198] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 894.984373] RIP: 0033:0x7f1f9892b577 [ 894.988093] Code: Bad RIP value. [ 894.991455] RSP: 002b:00007ffde565e7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000059 [ 894.999167] RAX: ffffffffffffffda RBX: 0000000000733250 RCX: 00007f1f9892b577 [ 895.006443] RDX: 0000000000000400 RSI: 00007ffde565e7e0 RDI: 00007ffde565ecc0 [ 895.013722] RBP: 000000000074c130 R08: 000000000074c130 R09: 7665642f7379732f [ 895.020995] R10: 7269762f73656369 R11: 0000000000000246 R12: 00007ffde565ecc0 [ 895.028263] R13: 0000000000000400 R14: 0000000000733250 R15: 000000000000000b [ 895.069302] Mem-Info: [ 895.073005] active_anon:4143 inactive_anon:184 isolated_anon:0 [ 895.073005] active_file:38 inactive_file:104 isolated_file:0 [ 895.073005] unevictable:0 dirty:0 writeback:0 unstable:0 [ 895.073005] slab_reclaimable:14605 slab_unreclaimable:1515531 [ 895.073005] mapped:23 shmem:244 pagetables:453 bounce:0 [ 895.073005] free:24733 free_pcp:92 free_cma:0 [ 895.106129] Node 0 active_anon:16572kB inactive_anon:736kB active_file:464kB inactive_file:752kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1092kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 895.139069] 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 [ 895.200565] lowmem_reserve[]: 0 2816 6319 6319 [ 895.205203] Node 0 DMA32 free:43984kB min:30040kB low:37548kB high:45056kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2886736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 895.232561] lowmem_reserve[]: 0 0 3503 3503 [ 895.236908] Node 0 Normal free:37332kB min:37376kB low:46720kB high:56064kB active_anon:16572kB inactive_anon:736kB active_file:504kB inactive_file:820kB unevictable:0kB writepending:0kB present:4718592kB managed:3587560kB mlocked:0kB kernel_stack:7104kB pagetables:1812kB bounce:0kB free_pcp:860kB local_pcp:860kB free_cma:0kB [ 895.266189] lowmem_reserve[]: 0 0 0 0 [ 895.270132] 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 [ 895.283723] Node 0 DMA32: 6*4kB (UME) 23*8kB (UE) 52*16kB (UME) 30*32kB (UME) 16*64kB (UME) 2*128kB (M) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (ME) 6*4096kB (M) = 43984kB [ 895.300228] Node 0 Normal: 320*4kB (UME) 598*8kB (UME) 312*16kB (UME) 147*32kB (UME) 70*64kB (UM) 28*128kB (UME) 17*256kB (UME) 7*512kB (ME) 4*1024kB (M) 1*2048kB (U) 0*4096kB = 37904kB [ 895.323273] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 895.332217] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 895.340896] 507 total pagecache pages [ 895.344689] 0 pages in swap cache [ 895.348178] Swap cache stats: add 0, delete 0, find 0/0 [ 895.353539] Free swap = 0kB [ 895.356539] Total swap = 0kB [ 895.360516] 1965979 pages RAM [ 895.363617] 0 pages HighMem/MovableOnly [ 895.367624] 343428 pages reserved [ 895.371090] 0 pages cma reserved [ 895.374455] Unreclaimable slab info: [ 895.378195] Name Used Total [ 895.383730] pid_2 136KB 160KB [ 895.389151] bio-3 0KB 3KB [ 895.394532] TIPC 10KB 14KB [ 895.399949] SCTPv6 14KB 16KB [ 895.405301] DCCPv6 17KB 21KB [ 895.410709] DCCP 16KB 20KB [ 895.416084] bridge_fdb_cache 11KB 15KB [ 895.421488] fib6_nodes 77KB 80KB [ 895.426851] ip6_dst_cache 82KB 161KB [ 895.432295] RAWv6 68KB 71KB [ 895.439326] UDPv6 3KB 3KB [ 895.444697] TCPv6 23KB 23KB [ 895.450125] nf_conntrack 0KB 3KB [ 895.455510] sd_ext_cdb 0KB 3KB [ 895.460891] scsi_sense_cache 1056KB 1060KB [ 895.466243] virtio_scsi_cmd 16KB 16KB [ 895.471651] sgpool-128 8KB 8KB [ 895.477069] sgpool-64 4KB 6KB [ 895.482417] sgpool-32 2KB 7KB [ 895.487816] sgpool-16 1KB 3KB [ 895.493180] sgpool-8 0KB 3KB [ 895.498571] mqueue_inode_cache 10KB 14KB [ 895.504010] bio_post_read_ctx 14KB 15KB [ 895.509401] bio-2 14KB 15KB [ 895.514756] jfs_mp 7KB 7KB [ 895.520250] nfs_commit_data 3KB 7KB [ 895.525615] nfs_write_data 32KB 32KB [ 895.531036] ext4_system_zone 0KB 3KB [ 895.536407] bio_post_read_ctx 14KB 15KB [ 895.541851] bio-1 1KB 3KB [ 895.547265] pid_namespace 2KB 7KB [ 895.552661] rpc_buffers 17KB 19KB [ 895.570056] rpc_tasks 2KB 3KB [ 895.575440] UNIX 9KB 14KB [ 895.588029] tcp_bind_bucket 1KB 4KB [ 895.593413] ip_fib_trie 11KB 15KB [ 895.598826] ip_fib_alias 52KB 55KB [ 895.604200] ip_dst_cache 1KB 8KB [ 895.616713] RAW 40KB 43KB [ 895.630379] UDP 16KB 26KB [ 895.637911] TCP 5KB 5KB [ 895.644958] hugetlbfs_inode_cache 2KB 7KB [ 895.654050] fscache_cookie_jar 1KB 3KB [ 895.663476] eventpoll_pwq 35KB 51KB [ 895.669105] eventpoll_epi 68KB 94KB [ 895.676848] inotify_inode_mark 66KB 90KB [ 895.686739] request_queue 138KB 147KB [ 895.694717] blkdev_ioc 46KB 46KB [ 895.700702] bio-0 4061KB 4061KB [ 895.710834] biovec-max 4034KB 4034KB [ 895.724922] biovec-64 2173KB 2173KB [ 895.735902] biovec-16 765KB 765KB [ 895.741766] bio_integrity_payload 1KB 3KB [ 895.759604] khugepaged_mm_slot 0KB 3KB [ 895.765412] dmaengine-unmap-256 2KB 6KB [ 895.818687] dmaengine-unmap-128 1KB 3KB [ 895.824358] dmaengine-unmap-16 0KB 4KB [ 895.886823] dmaengine-unmap-2 0KB 3KB [ 895.901588] skbuff_fclone_cache 7KB 7KB [ 895.907494] skbuff_head_cache 573KB 1732KB [ 895.912957] configfs_dir_cache 0KB 4KB [ 895.920946] file_lock_cache 0KB 3KB [ 895.927819] file_lock_ctx 0KB 3KB [ 895.933225] fsnotify_mark_connector 39KB 55KB [ 895.939142] net_namespace 52KB 52KB [ 895.944495] shmem_inode_cache 5830KB 6050KB [ 895.949927] task_delay_info 107KB 496KB [ 895.955294] taskstats 150KB 163KB [ 895.960681] proc_dir_entry 578KB 581KB [ 895.966031] pde_opener 0KB 3KB [ 895.976867] seq_file 289KB 342KB [ 895.982336] sigqueue 33KB 208KB [ 895.993361] kernfs_node_cache 11484KB 11489KB [ 895.998819] mnt_cache 6060KB 6440KB [ 896.004195] filp 4017KB 6787KB [ 896.012861] names_cache 101821KB 101821KB [ 896.019291] iint_cache 87KB 91KB [ 896.025143] key_jar 3KB 7KB [ 896.032897] uts_namespace 2KB 7KB [ 896.048435] nsproxy 63KB 75KB [ 896.054744] vm_area_struct 7170KB 12231KB [ 896.061154] mm_struct 1100KB 3042KB [ 896.067545] fs_cache 87KB 436KB [ 896.073474] files_cache 323KB 903KB [ 896.079808] signal_cache 741KB 1983KB [ 896.086214] sighand_cache 497KB 513KB [ 896.092811] task_struct 3211KB 3242KB [ 896.098833] cred_jar 616KB 2268KB [ 896.106002] anon_vma_chain 4521KB 6870KB [ 896.118019] anon_vma 189KB 346KB [ 896.123570] pid 66KB 276KB [ 896.129152] Acpi-Operand 106KB 158KB [ 896.134677] Acpi-Namespace 19KB 23KB [ 896.140323] numa_policy 0KB 3KB [ 896.145819] trace_event_file 262KB 262KB [ 896.151508] ftrace_event_field 377KB 378KB [ 896.157133] pool_workqueue 87KB 88KB [ 896.162780] task_group 5KB 7KB [ 896.186158] debug_objects_cache 886KB 896KB [ 896.205515] page->ptl 1214KB 3257KB [ 896.225171] kmalloc-4M 5664768KB 5664768KB [ 896.231611] kmalloc-2M 2050KB 2050KB [ 896.237540] kmalloc-512k 2056KB 2056KB [ 896.243092] kmalloc-256k 516KB 516KB [ 896.248685] kmalloc-128k 520KB 520KB [ 896.254240] kmalloc-64k 594KB 594KB [ 896.259849] kmalloc-32k 1254KB 1254KB [ 896.265404] kmalloc-16k 379KB 379KB [ 896.270959] kmalloc-8k 1683KB 1683KB [ 896.276334] kmalloc-4k 18551KB 18589KB [ 896.281788] kmalloc-2k 7749KB 9976KB [ 896.300560] kmalloc-1k 6513KB 7032KB [ 896.306194] kmalloc-512 3377KB 6142KB [ 896.311744] kmalloc-256 2906KB 2940KB [ 896.322085] kmalloc-128 1445KB 1519KB [ 896.330537] kmalloc-96 3580KB 3648KB [ 896.341614] kmalloc-64 2181KB 2284KB [ 896.347302] kmalloc-32 2970KB 3173KB [ 896.353149] kmalloc-192 864KB 928KB [ 896.359864] kmem_cache 220KB 221KB [ 896.365413] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0 [ 896.365431] ,global_oom,task_memcg=/syz1,task=syz-executor1,pid=21739,uid=0 [ 896.381245] Out of memory: Kill process 21739 (syz-executor1) score 999 or sacrifice child [ 896.688599] udevd invoked oom-killer: gfp_mask=0x6040d0(GFP_KERNEL|__GFP_COMP|__GFP_RECLAIMABLE), order=0, oom_score_adj=-1000 [ 896.705260] CPU: 1 PID: 3728 Comm: udevd Not tainted 4.20.0-rc5-next-20181207+ #163 [ 896.713067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 896.722413] Call Trace: [ 896.725010] dump_stack+0x244/0x39d [ 896.728658] ? dump_stack_print_info.cold.1+0x20/0x20 [ 896.733864] dump_header+0x253/0x1239 [ 896.737687] ? pagefault_out_of_memory+0x19d/0x19d [ 896.742624] ? mark_held_locks+0x130/0x130 [ 896.746877] ? __lock_acquire+0x62f/0x4c20 [ 896.751116] ? __switch_to_asm+0x34/0x70 [ 896.755182] ? preempt_notifier_register+0x200/0x200 [ 896.760286] ? __switch_to_asm+0x34/0x70 [ 896.764345] ? __switch_to_asm+0x40/0x70 [ 896.768410] ? __switch_to_asm+0x34/0x70 [ 896.772474] ? graph_lock+0x270/0x270 [ 896.776275] ? graph_lock+0x270/0x270 [ 896.780080] ? print_usage_bug+0xc0/0xc0 [ 896.784166] ? print_usage_bug+0xc0/0xc0 [ 896.788240] ? find_held_lock+0x36/0x1c0 [ 896.792314] ? mark_held_locks+0xc7/0x130 [ 896.796462] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 896.801565] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 896.806673] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 896.811262] ? trace_hardirqs_on+0xbd/0x310 [ 896.815589] ? kasan_check_read+0x11/0x20 [ 896.819744] ? ___ratelimit+0x3b4/0x672 [ 896.823719] ? trace_hardirqs_off_caller+0x310/0x310 [ 896.828826] ? trace_hardirqs_on+0x310/0x310 [ 896.833236] ? lock_downgrade+0x900/0x900 [ 896.837395] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 896.842502] ? ___ratelimit+0x3b9/0x672 [ 896.846482] ? idr_get_free+0xf70/0xf70 [ 896.850463] ? kasan_check_read+0x11/0x20 [ 896.854627] oom_kill_process.cold.27+0x10/0x903 [ 896.859400] ? graph_lock+0x270/0x270 [ 896.863203] ? __rcu_read_unlock+0x205/0x210 [ 896.867618] ? trace_hardirqs_on+0x310/0x310 [ 896.872043] ? oom_evaluate_task+0x540/0x540 [ 896.876454] ? find_held_lock+0x36/0x1c0 [ 896.880527] ? out_of_memory+0xcc5/0x1480 [ 896.884682] ? lock_downgrade+0x900/0x900 [ 896.888835] ? check_preemption_disabled+0x48/0x280 [ 896.893857] ? __rcu_read_unlock+0x205/0x210 [ 896.898265] ? rcu_read_unlock_special+0x370/0x370 [ 896.903202] ? kasan_check_write+0x14/0x20 [ 896.907439] ? oom_evaluate_task+0x302/0x540 [ 896.911854] out_of_memory+0x8ba/0x1480 [ 896.915836] ? oom_killer_disable+0x3a0/0x3a0 [ 896.920340] ? __alloc_pages_slowpath+0xf84/0x2e00 [ 896.925273] ? __ww_mutex_check_waiters+0x160/0x160 [ 896.930307] __alloc_pages_slowpath+0x2354/0x2e00 [ 896.935184] ? warn_alloc+0x120/0x120 [ 896.938990] ? save_stack+0x43/0xd0 [ 896.942623] ? warn_alloc+0x120/0x120 [ 896.946434] ? warn_alloc+0x120/0x120 [ 896.950257] ? print_usage_bug+0xc0/0xc0 [ 896.954320] ? __lock_acquire+0x62f/0x4c20 [ 896.958564] ? print_usage_bug+0xc0/0xc0 [ 896.962636] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 896.968185] ? should_fail+0x22d/0xd01 [ 896.972078] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 896.977189] ? graph_lock+0x270/0x270 [ 896.981012] ? __lock_is_held+0xb5/0x140 [ 896.985080] ? graph_lock+0x270/0x270 [ 896.988883] ? lock_release+0xa00/0xa00 [ 896.992863] ? perf_trace_sched_process_exec+0x860/0x860 [ 896.998321] ? check_preemption_disabled+0x48/0x280 [ 897.003349] ? __might_sleep+0x95/0x190 [ 897.007335] __alloc_pages_nodemask+0xaed/0xec0 [ 897.012009] ? graph_lock+0x270/0x270 [ 897.015818] ? __alloc_pages_slowpath+0x2e00/0x2e00 [ 897.020851] ? mark_held_locks+0xc7/0x130 [ 897.025004] ? cache_grow_begin+0x65/0x8c0 [ 897.029240] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 897.033828] ? trace_hardirqs_on+0xbd/0x310 [ 897.038150] ? fallback_alloc+0x204/0x2e0 [ 897.042304] ? trace_hardirqs_off_caller+0x310/0x310 [ 897.047415] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 897.052961] cache_grow_begin+0xa5/0x8c0 [ 897.057028] ? do_raw_spin_unlock+0xa7/0x330 [ 897.061444] fallback_alloc+0x204/0x2e0 [ 897.065428] ____cache_alloc_node+0x1c7/0x1e0 [ 897.069929] kmem_cache_alloc+0x1f6/0x730 [ 897.074210] alloc_inode+0xb2/0x190 [ 897.077839] iget_locked+0x218/0x5b0 [ 897.081557] ? inode_insert5+0x540/0x540 [ 897.085622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 897.091237] ? kernfs_active+0x12f/0x1c0 [ 897.095307] ? kernfs_path_from_node+0x60/0x60 [ 897.099896] kernfs_get_inode+0x51/0x570 [ 897.103965] kernfs_iop_lookup+0x1a7/0x230 [ 897.108206] __lookup_slow+0x2b5/0x540 [ 897.112095] ? vfs_unlink+0x510/0x510 [ 897.115916] ? path_init+0x1ed0/0x1ed0 [ 897.119811] lookup_slow+0x57/0x80 [ 897.123365] walk_component+0x92b/0x2590 [ 897.127428] ? find_held_lock+0x36/0x1c0 [ 897.131494] ? kasan_check_write+0x14/0x20 [ 897.135740] ? pick_link+0xaf0/0xaf0 [ 897.139468] ? wait_for_completion+0x8a0/0x8a0 [ 897.144056] ? unlazy_walk+0x1b8/0x550 [ 897.147955] ? lock_downgrade+0x900/0x900 [ 897.152104] ? check_preemption_disabled+0x48/0x280 [ 897.157127] ? kasan_check_read+0x11/0x20 [ 897.161282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 897.166824] ? set_nlink+0xb7/0x1c0 [ 897.170455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 897.175999] ? generic_permission+0x121/0x520 [ 897.180500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 897.186042] ? security_inode_permission+0xd2/0x100 [ 897.191068] ? inode_permission+0xb2/0x560 [ 897.195311] link_path_walk.part.40+0xa61/0x1530 [ 897.200071] ? lookup_open+0x1b90/0x1b90 [ 897.204145] ? walk_component+0x2590/0x2590 [ 897.208489] ? save_stack+0xa9/0xd0 [ 897.212122] ? kasan_slab_alloc+0x12/0x20 [ 897.216268] ? kmem_cache_alloc+0x130/0x730 [ 897.220592] ? getname_flags+0xd0/0x590 [ 897.224574] ? user_path_at_empty+0x2d/0x50 [ 897.228905] path_lookupat.isra.43+0xf7/0xc00 [ 897.233405] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 897.238601] ? path_parentat.isra.41+0x160/0x160 [ 897.243359] ? usercopy_warn+0x110/0x110 [ 897.247425] ? kmem_cache_alloc+0x590/0x730 [ 897.251754] ? check_preemption_disabled+0x48/0x280 [ 897.256776] filename_lookup+0x26a/0x520 [ 897.260858] ? nd_jump_link+0x1d0/0x1d0 [ 897.264834] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 897.270384] ? digsig_verify+0x1530/0x1530 [ 897.274623] ? kmem_cache_alloc+0x33f/0x730 [ 897.278962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 897.284497] ? getname_flags+0x26e/0x590 [ 897.288564] user_path_at_empty+0x40/0x50 [ 897.292719] vfs_statx+0x129/0x210 [ 897.296265] ? vfs_statx_fd+0xc0/0xc0 [ 897.300067] ? mntput+0x74/0xa0 [ 897.303354] __do_sys_newstat+0x8f/0x110 [ 897.307416] ? cp_new_stat+0xa50/0xa50 [ 897.311309] ? do_syscall_64+0x9a/0x820 [ 897.315289] ? do_syscall_64+0x9a/0x820 [ 897.319269] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 897.323856] ? trace_hardirqs_on+0xbd/0x310 [ 897.328186] ? exit_to_usermode_loop+0x1f4/0x380 [ 897.332948] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 897.338318] ? trace_hardirqs_off_caller+0x310/0x310 [ 897.343429] __x64_sys_newstat+0x54/0x80 [ 897.347502] do_syscall_64+0x1b9/0x820 [ 897.351409] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 897.356780] ? syscall_return_slowpath+0x5e0/0x5e0 [ 897.361714] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 897.366559] ? trace_hardirqs_on_caller+0x310/0x310 [ 897.371587] ? prepare_exit_to_usermode+0x291/0x3b0 [ 897.376609] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 897.381469] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 897.386662] RIP: 0033:0x7f1f98929c65 [ 897.390381] Code: 00 00 00 e8 5d 01 00 00 48 83 c4 18 c3 90 90 90 90 90 90 90 90 83 ff 01 48 89 f0 77 18 48 89 c7 48 89 d6 b8 04 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 17 f3 c3 90 48 8b 05 a1 51 2b 00 64 c7 00 16 [ 897.409284] RSP: 002b:00007ffde565e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 897.416993] RAX: ffffffffffffffda RBX: 0000000000733250 RCX: 00007f1f98929c65 [ 897.424262] RDX: 00007ffde565e1a0 RSI: 00007ffde565e1a0 RDI: 00007ffde565e630 [ 897.431530] RBP: 00007ffde565ea90 R08: 000000000041f4f1 R09: 00007f1f989807d0 [ 897.438799] R10: 7269762f73656369 R11: 0000000000000246 R12: 0000000000000004 [ 897.446064] R13: 00007ffde565ea97 R14: 0000000000745690 R15: 0000000000733250 [ 897.467051] Mem-Info: [ 897.469616] active_anon:4142 inactive_anon:184 isolated_anon:0 [ 897.469616] active_file:181 inactive_file:190 isolated_file:0 [ 897.469616] unevictable:0 dirty:28 writeback:0 unstable:0 [ 897.469616] slab_reclaimable:14632 slab_unreclaimable:1515392 [ 897.469616] mapped:291 shmem:244 pagetables:438 bounce:0 [ 897.469616] free:24953 free_pcp:236 free_cma:0 [ 897.502952] Node 0 active_anon:16568kB inactive_anon:736kB active_file:724kB inactive_file:760kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:964kB dirty:112kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 897.533919] 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 [ 897.563897] lowmem_reserve[]: 0 2816 6319 6319 [ 897.593447] Node 0 DMA32 free:43744kB min:30040kB low:37548kB high:45056kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2886736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 897.622324] lowmem_reserve[]: 0 0 3503 3503 [ 897.632334] Node 0 Normal free:37636kB min:37376kB low:46720kB high:56064kB active_anon:16540kB inactive_anon:732kB active_file:1044kB inactive_file:584kB unevictable:0kB writepending:136kB present:4718592kB managed:3587560kB mlocked:0kB kernel_stack:6944kB pagetables:1700kB bounce:0kB free_pcp:1672kB local_pcp:412kB free_cma:0kB [ 897.664353] lowmem_reserve[]: 0 0 0 0 [ 897.672074] 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 [ 897.687181] Node 0 DMA32: 4*4kB (M) 32*8kB (UE) 55*16kB (UME) 30*32kB (UME) 16*64kB (UME) 2*128kB (M) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (ME) 6*4096kB (M) = 44096kB [ 897.703695] Node 0 Normal: 39*4kB (UME) 507*8kB (UM) 393*16kB (UME) 157*32kB (UME) 70*64kB (UME) 25*128kB (UME) 16*256kB (UM) 7*512kB (ME) 4*1024kB (M) 1*2048kB (U) 0*4096kB = 37028kB [ 897.720454] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 897.729458] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 897.738211] 938 total pagecache pages [ 897.742125] 0 pages in swap cache [ 897.745595] Swap cache stats: add 0, delete 0, find 0/0 [ 897.751113] Free swap = 0kB [ 897.754174] Total swap = 0kB [ 897.757372] 1965979 pages RAM [ 897.760487] 0 pages HighMem/MovableOnly [ 897.771152] 343428 pages reserved [ 897.774724] 0 pages cma reserved [ 897.778265] Unreclaimable slab info: [ 897.782689] Name Used Total [ 897.788519] pid_2 136KB 160KB [ 897.793924] bio-3 0KB 3KB [ 897.799522] TIPC 10KB 14KB [ 897.805134] SCTPv6 14KB 16KB [ 897.810730] DCCPv6 17KB 21KB [ 897.816108] DCCP 16KB 20KB [ 897.821769] bridge_fdb_cache 11KB 15KB [ 897.827199] fib6_nodes 77KB 80KB [ 897.832684] ip6_dst_cache 81KB 161KB [ 897.838248] RAWv6 68KB 71KB [ 897.843723] UDPv6 3KB 3KB [ 897.849254] TCPv6 23KB 23KB [ 897.854723] nf_conntrack 0KB 3KB [ 897.860311] sd_ext_cdb 0KB 3KB [ 897.865778] scsi_sense_cache 1056KB 1060KB [ 897.871321] virtio_scsi_cmd 16KB 16KB [ 897.876792] sgpool-128 8KB 8KB [ 897.882322] sgpool-64 4KB 6KB [ 897.893249] sgpool-32 2KB 7KB [ 897.903030] sgpool-16 1KB 3KB [ 897.909673] sgpool-8 0KB 3KB [ 897.915246] mqueue_inode_cache 10KB 14KB [ 897.921093] bio_post_read_ctx 14KB 15KB [ 897.926850] bio-2 14KB 15KB [ 897.932462] jfs_mp 7KB 7KB [ 897.938116] nfs_commit_data 3KB 7KB [ 897.943744] nfs_write_data 32KB 32KB [ 897.949427] ext4_system_zone 0KB 3KB [ 897.955004] bio_post_read_ctx 14KB 15KB [ 897.960613] bio-1 1KB 3KB [ 897.966242] pid_namespace 2KB 7KB [ 897.972814] rpc_buffers 17KB 19KB [ 897.978432] rpc_tasks 2KB 3KB [ 897.984077] UNIX 9KB 14KB [ 897.989737] tcp_bind_bucket 1KB 4KB [ 897.995358] ip_fib_trie 11KB 15KB [ 898.000960] ip_fib_alias 52KB 55KB [ 898.006557] ip_dst_cache 1KB 8KB [ 898.012136] RAW 40KB 43KB [ 898.018248] UDP 16KB 26KB [ 898.023824] TCP 5KB 5KB [ 898.029423] hugetlbfs_inode_cache 2KB 7KB [ 898.035355] fscache_cookie_jar 1KB 3KB [ 898.041042] eventpoll_pwq 35KB 51KB [ 898.046606] eventpoll_epi 68KB 94KB [ 898.052270] inotify_inode_mark 65KB 90KB [ 898.057968] request_queue 138KB 147KB [ 898.063532] blkdev_ioc 46KB 46KB [ 898.069173] bio-0 4451KB 4451KB [ 898.075328] biovec-max 4158KB 4158KB [ 898.080909] biovec-64 2567KB 2567KB [ 898.086442] biovec-16 851KB 851KB [ 898.092160] bio_integrity_payload 1KB 3KB [ 898.099106] khugepaged_mm_slot 0KB 3KB [ 898.105803] dmaengine-unmap-256 2KB 6KB [ 898.112198] dmaengine-unmap-128 1KB 3KB [ 898.120027] dmaengine-unmap-16 0KB 4KB [ 898.127132] dmaengine-unmap-2 0KB 3KB [ 898.134035] skbuff_fclone_cache 7KB 7KB [ 898.143340] skbuff_head_cache 556KB 1710KB [ 898.149700] configfs_dir_cache 0KB 4KB [ 898.156570] file_lock_cache 0KB 3KB [ 898.162813] file_lock_ctx 0KB 3KB [ 898.169386] fsnotify_mark_connector 38KB 55KB [ 898.176542] net_namespace 52KB 52KB [ 898.183300] shmem_inode_cache 5798KB 6042KB [ 898.189695] task_delay_info 106KB 496KB [ 898.196425] taskstats 150KB 163KB [ 898.202961] proc_dir_entry 578KB 581KB [ 898.209508] pde_opener 0KB 3KB [ 898.216007] seq_file 287KB 342KB [ 898.222564] sigqueue 33KB 208KB [ 898.228709] kernfs_node_cache 11484KB 11489KB [ 898.234320] mnt_cache 6060KB 6440KB [ 898.240222] filp 3990KB 6780KB [ 898.245865] names_cache 100355KB 100393KB [ 898.251551] iint_cache 87KB 91KB [ 898.257755] key_jar 3KB 7KB [ 898.263561] uts_namespace 2KB 7KB [ 898.269264] nsproxy 63KB 75KB [ 898.275046] vm_area_struct 7096KB 12197KB [ 898.280900] mm_struct 1059KB 2970KB [ 898.286485] fs_cache 86KB 436KB [ 898.292074] files_cache 319KB 892KB [ 898.297795] signal_cache 734KB 1969KB [ 898.303353] sighand_cache 494KB 506KB [ 898.309189] task_struct 3198KB 3229KB [ 898.314782] cred_jar 609KB 2264KB [ 898.320465] anon_vma_chain 4458KB 6870KB [ 898.326139] anon_vma 189KB 346KB [ 898.331815] pid 65KB 276KB [ 898.337775] Acpi-Operand 106KB 158KB [ 898.343548] Acpi-Namespace 19KB 23KB [ 898.349299] numa_policy 0KB 3KB [ 898.355077] trace_event_file 262KB 262KB [ 898.362698] ftrace_event_field 377KB 378KB [ 898.369464] pool_workqueue 87KB 88KB [ 898.375826] task_group 5KB 7KB [ 898.384568] debug_objects_cache 886KB 896KB [ 898.391388] page->ptl 1206KB 3257KB [ 898.398112] kmalloc-4M 5664768KB 5664768KB [ 898.404389] kmalloc-2M 2050KB 2050KB [ 898.411035] kmalloc-512k 2056KB 2056KB [ 898.417694] kmalloc-256k 516KB 516KB [ 898.424328] kmalloc-128k 520KB 520KB [ 898.430922] kmalloc-64k 594KB 594KB [ 898.437621] kmalloc-32k 1254KB 1254KB [ 898.444240] kmalloc-16k 379KB 379KB [ 898.450915] kmalloc-8k 1683KB 1683KB [ 898.457567] kmalloc-4k 18432KB 18470KB [ 898.464198] kmalloc-2k 7749KB 9976KB [ 898.472391] kmalloc-1k 6527KB 7032KB [ 898.481212] kmalloc-512 3350KB 6138KB [ 898.489713] kmalloc-256 2906KB 2940KB [ 898.496136] kmalloc-128 1445KB 1519KB [ 898.505206] kmalloc-96 3588KB 3648KB [ 898.511880] kmalloc-64 2181KB 2284KB [ 898.521473] kmalloc-32 2970KB 3173KB [ 898.527190] kmalloc-192 864KB 928KB [ 898.532749] kmem_cache 220KB 221KB [ 898.538366] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0 [ 898.538554] ,global_oom,task_memcg=/syz0,task=syz-executor0,pid=21749,uid=0 [ 898.554480] Out of memory: Kill process 21749 (syz-executor0) score 999 or sacrifice child [ 898.607340] sshd invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 898.616827] CPU: 1 PID: 6086 Comm: sshd Not tainted 4.20.0-rc5-next-20181207+ #163 [ 898.624537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 898.633899] Call Trace: [ 898.636496] dump_stack+0x244/0x39d [ 898.640135] ? dump_stack_print_info.cold.1+0x20/0x20 [ 898.645356] dump_header+0x253/0x1239 [ 898.649184] ? mark_held_locks+0x130/0x130 [ 898.653429] ? print_usage_bug+0xc0/0xc0 [ 898.657511] ? pagefault_out_of_memory+0x19d/0x19d [ 898.662457] ? mark_held_locks+0x130/0x130 [ 898.666706] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 898.672008] ? __lock_acquire+0x62f/0x4c20 [ 898.676256] ? print_usage_bug+0xc0/0xc0 [ 898.680330] ? mem_cgroup_css_online+0x3d0/0x3d0 [ 898.685099] ? graph_lock+0x270/0x270 [ 898.688914] ? print_usage_bug+0xc0/0xc0 [ 898.692990] ? mark_held_locks+0xc7/0x130 [ 898.697169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 898.702724] ? find_held_lock+0x36/0x1c0 [ 898.706804] ? mark_held_locks+0xc7/0x130 [ 898.710967] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 898.716078] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 898.721203] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 898.725798] ? trace_hardirqs_on+0xbd/0x310 [ 898.730129] ? kasan_check_read+0x11/0x20 [ 898.734296] ? ___ratelimit+0x3b4/0x672 [ 898.738285] ? trace_hardirqs_off_caller+0x310/0x310 [ 898.743400] ? trace_hardirqs_on+0x310/0x310 [ 898.747819] ? lock_downgrade+0x900/0x900 [ 898.751979] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 898.757096] ? ___ratelimit+0x3b9/0x672 [ 898.761088] ? idr_get_free+0xf70/0xf70 [ 898.765075] ? kasan_check_read+0x11/0x20 [ 898.769235] ? do_raw_spin_unlock+0xa7/0x330 [ 898.773673] oom_kill_process.cold.27+0x10/0x903 [ 898.778445] ? graph_lock+0x270/0x270 [ 898.782266] ? _raw_spin_unlock+0x2c/0x50 [ 898.786419] ? oom_badness+0xe6/0xaa0 [ 898.790236] ? kasan_check_read+0x11/0x20 [ 898.794393] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 898.799689] ? oom_evaluate_task+0x540/0x540 [ 898.804111] ? find_held_lock+0x36/0x1c0 [ 898.808199] ? out_of_memory+0xcc5/0x1480 [ 898.812362] ? lock_downgrade+0x900/0x900 [ 898.816520] ? check_preemption_disabled+0x48/0x280 [ 898.821581] ? kasan_check_read+0x11/0x20 [ 898.825742] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 898.831029] ? rcu_read_unlock_special+0x370/0x370 [ 898.835971] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 898.841519] ? oom_evaluate_task+0x302/0x540 [ 898.845945] out_of_memory+0x8ba/0x1480 [ 898.849937] ? oom_killer_disable+0x3a0/0x3a0 [ 898.854463] ? __alloc_pages_slowpath+0xf84/0x2e00 [ 898.859437] ? __ww_mutex_check_waiters+0x160/0x160 [ 898.864478] __alloc_pages_slowpath+0x2354/0x2e00 [ 898.869355] ? warn_alloc+0x120/0x120 [ 898.869439] ? find_get_entry+0xaae/0x1120 [ 898.869463] ? filemap_map_pages+0x1a20/0x1a20 [ 898.869481] ? graph_lock+0x270/0x270 [ 898.869501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 898.891716] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 898.897265] ? should_fail+0x22d/0xd01 [ 898.901174] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 898.906286] ? graph_lock+0x270/0x270 [ 898.910116] ? __lock_is_held+0xb5/0x140 [ 898.914203] ? lock_release+0xa00/0xa00 [ 898.918195] ? perf_trace_sched_process_exec+0x860/0x860 [ 898.923661] ? xa_load+0x2ba/0x460 [ 898.923679] ? lock_downgrade+0x900/0x900 [ 898.923699] ? __might_sleep+0x95/0x190 [ 898.923720] __alloc_pages_nodemask+0xaed/0xec0 [ 898.923742] ? __alloc_pages_slowpath+0x2e00/0x2e00 [ 898.923762] ? __page_cache_alloc+0x191/0x5c0 [ 898.949551] ? xa_load+0x2e1/0x460 [ 898.953099] ? xa_clear_mark+0x40/0x40 [ 898.956999] ? up_read_non_owner+0x100/0x100 [ 898.961419] ? graph_lock+0x270/0x270 [ 898.965236] ? graph_lock+0x270/0x270 [ 898.969048] ? graph_lock+0x270/0x270 [ 898.972863] ? __do_page_cache_readahead+0x663/0x810 [ 898.977978] ? find_held_lock+0x36/0x1c0 [ 898.982057] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 898.987609] alloc_pages_current+0x173/0x350 [ 898.992049] __page_cache_alloc+0x38c/0x5c0 [ 898.996381] ? kasan_check_read+0x11/0x20 [ 899.000540] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 899.005830] ? generic_perform_write+0x6a0/0x6a0 [ 899.010600] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 899.016178] ? check_preemption_disabled+0x48/0x280 [ 899.021214] filemap_fault+0x1595/0x25f0 [ 899.025304] ? __lock_page_or_retry+0xa00/0xa00 [ 899.029983] ? mark_held_locks+0x130/0x130 [ 899.034225] ? find_held_lock+0x36/0x1c0 [ 899.038305] ? filemap_map_pages+0xd6b/0x1a20 [ 899.042812] ? lock_downgrade+0x900/0x900 [ 899.046983] ? check_preemption_disabled+0x48/0x280 [ 899.052022] ? kasan_check_read+0x11/0x20 [ 899.056194] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 899.061481] ? rcu_read_unlock_special+0x370/0x370 [ 899.066435] ? filemap_map_pages+0xd92/0x1a20 [ 899.070957] ? find_get_entries_tag+0x1400/0x1400 [ 899.076006] ? graph_lock+0x270/0x270 [ 899.079833] ? __lock_is_held+0xb5/0x140 [ 899.083910] ? lock_acquire+0x1ed/0x520 [ 899.087899] ? ext4_filemap_fault+0x7a/0xad [ 899.092269] ? lock_release+0xa00/0xa00 [ 899.096249] ? perf_trace_sched_process_exec+0x860/0x860 [ 899.101711] ? print_usage_bug+0xc0/0xc0 [ 899.105779] ? print_usage_bug+0xc0/0xc0 [ 899.109862] ? down_read+0x8d/0x120 [ 899.113498] ? ext4_filemap_fault+0x7a/0xad [ 899.117831] ? __down_interruptible+0x700/0x700 [ 899.122523] ext4_filemap_fault+0x82/0xad [ 899.126693] __do_fault+0x100/0x6b0 [ 899.130338] ? pmd_devmap_trans_unstable+0x220/0x220 [ 899.135455] ? mark_held_locks+0x130/0x130 [ 899.139701] ? mark_held_locks+0x130/0x130 [ 899.143943] ? do_raw_spin_unlock+0xa7/0x330 [ 899.148362] ? do_raw_spin_trylock+0x270/0x270 [ 899.152953] ? lock_downgrade+0x900/0x900 [ 899.157123] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 899.162688] __handle_mm_fault+0x3e76/0x5b70 [ 899.167116] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 899.171971] ? __sb_end_write+0xd9/0x110 [ 899.176043] ? touch_atime+0x103/0x320 [ 899.179941] ? file_remove_privs+0x540/0x540 [ 899.184357] ? file_remove_privs+0x540/0x540 [ 899.188780] ? perf_trace_sched_process_exec+0x860/0x860 [ 899.194255] ? graph_lock+0x270/0x270 [ 899.198067] ? graph_lock+0x270/0x270 [ 899.201889] ? find_held_lock+0x36/0x1c0 [ 899.205971] ? handle_mm_fault+0x42a/0xc70 [ 899.210220] ? lock_downgrade+0x900/0x900 [ 899.214392] ? check_preemption_disabled+0x48/0x280 [ 899.219428] ? kasan_check_read+0x11/0x20 [ 899.223591] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 899.228878] ? rcu_read_unlock_special+0x370/0x370 [ 899.233817] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 899.239366] ? check_preemption_disabled+0x48/0x280 [ 899.244401] handle_mm_fault+0x54f/0xc70 [ 899.248475] ? __handle_mm_fault+0x5b70/0x5b70 [ 899.253073] ? find_vma+0x34/0x190 [ 899.256630] __do_page_fault+0x5f6/0xd70 [ 899.260713] ? kernel_write+0x120/0x120 [ 899.264708] do_page_fault+0xf2/0x7e0 [ 899.268518] ? vmalloc_sync_all+0x30/0x30 [ 899.272679] ? error_entry+0x70/0xd0 [ 899.276403] ? trace_hardirqs_off_caller+0xbb/0x310 [ 899.281431] ? trace_hardirqs_on_caller+0xc0/0x310 [ 899.286368] ? syscall_return_slowpath+0x5e0/0x5e0 [ 899.291306] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 899.296165] ? trace_hardirqs_on_caller+0x310/0x310 [ 899.301196] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 899.306668] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 899.311696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 899.317247] ? prepare_exit_to_usermode+0x291/0x3b0 [ 899.322272] ? page_fault+0x8/0x30 [ 899.325828] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 899.330689] ? page_fault+0x8/0x30 [ 899.334242] page_fault+0x1e/0x30 [ 899.337705] RIP: 0033:0x564f4c894184 [ 899.341432] Code: Bad RIP value. [ 899.344801] RSP: 002b:00007ffc8d7d0e90 EFLAGS: 00010246 [ 899.350172] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000100000000 [ 899.357450] RDX: 0000564f4e7728d0 RSI: 0000000000000000 RDI: 0000564f4e784f70 [ 899.364728] RBP: 0000564f4cafbc88 R08: 2f32312f38313032 R09: 30353a3130203830 [ 899.372000] R10: 636578652035333a R11: 6f72702064657475 R12: 0000564f4e774b80 [ 899.379278] R13: 0000564f4caf9fb4 R14: 0000000000000028 R15: 0000564f4cafbca0 [ 899.390536] Mem-Info: [ 899.393000] active_anon:4044 inactive_anon:183 isolated_anon:0 [ 899.393000] active_file:59 inactive_file:98 isolated_file:25 [ 899.393000] unevictable:0 dirty:1 writeback:0 unstable:0 [ 899.393000] slab_reclaimable:14651 slab_unreclaimable:1515314 [ 899.393000] mapped:87 shmem:244 pagetables:410 bounce:0 [ 899.393000] free:24837 free_pcp:232 free_cma:0 [ 899.427146] Node 0 active_anon:16176kB inactive_anon:732kB active_file:64kB inactive_file:344kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:148kB dirty:4kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 899.460479] 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 [ 899.486755] lowmem_reserve[]: 0 2816 6319 6319 [ 899.491403] Node 0 DMA32 free:44016kB min:30040kB low:37548kB high:45056kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2886736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 899.549227] lowmem_reserve[]: 0 0 3503 3503 [ 899.554553] Node 0 Normal free:39332kB min:37376kB low:46720kB high:56064kB active_anon:16252kB inactive_anon:732kB active_file:64kB inactive_file:1404kB unevictable:0kB writepending:0kB present:4718592kB managed:3587560kB mlocked:0kB kernel_stack:6944kB pagetables:1684kB bounce:0kB free_pcp:272kB local_pcp:0kB free_cma:0kB [ 899.633225] lowmem_reserve[]: 0 0 0 0 [ 899.637176] 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 [ 899.651038] Node 0 DMA32: 5*4kB (ME) 20*8kB (UE) 55*16kB (UME) 30*32kB (UME) 16*64kB (UME) 2*128kB (M) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (ME) 6*4096kB (M) = 44004kB [ 899.668598] Node 0 Normal: 196*4kB (MEH) 736*8kB (UMH) 383*16kB (UMEH) 155*32kB (UME) 71*64kB (UME) 25*128kB (UME) 16*256kB (UM) 7*512kB (ME) 4*1024kB (M) 1*2048kB (U) 0*4096kB = 39328kB [ 899.687447] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 899.697027] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 899.705748] 672 total pagecache pages [ 899.716011] 0 pages in swap cache [ 899.720151] Swap cache stats: add 0, delete 0, find 0/0 [ 899.726054] Free swap = 0kB [ 899.729713] Total swap = 0kB [ 899.733003] 1965979 pages RAM [ 899.736362] 0 pages HighMem/MovableOnly [ 899.741387] 343428 pages reserved [ 899.744850] 0 pages cma reserved [ 899.752458] Unreclaimable slab info: [ 899.759760] Name Used Total [ 899.766476] pid_2 136KB 160KB [ 899.777166] bio-3 0KB 3KB [ 899.786603] TIPC 10KB 14KB [ 899.829384] SCTPv6 14KB 16KB [ 899.835706] DCCPv6 17KB 21KB [ 899.844087] DCCP 16KB 20KB [ 899.854742] bridge_fdb_cache 11KB 15KB [ 899.870894] fib6_nodes 77KB 80KB [ 899.882586] ip6_dst_cache 81KB 161KB [ 899.888076] RAWv6 68KB 71KB [ 899.893456] UDPv6 3KB 3KB [ 899.898891] TCPv6 23KB 23KB [ 899.904271] nf_conntrack 0KB 3KB [ 899.909722] sd_ext_cdb 0KB 3KB [ 899.915097] scsi_sense_cache 1056KB 1060KB [ 899.920506] virtio_scsi_cmd 16KB 16KB [ 899.925884] sgpool-128 8KB 8KB [ 899.936096] sgpool-64 4KB 6KB [ 899.945556] sgpool-32 2KB 7KB [ 899.972430] sgpool-16 1KB 3KB [ 899.985707] sgpool-8 0KB 3KB [ 899.994056] mqueue_inode_cache 10KB 14KB [ 900.014497] bio_post_read_ctx 14KB 15KB [ 900.023959] bio-2 14KB 15KB [ 900.030860] jfs_mp 7KB 7KB [ 900.036746] nfs_commit_data 3KB 7KB [ 900.043993] nfs_write_data 32KB 32KB [ 900.049774] ext4_system_zone 0KB 3KB [ 900.055437] bio_post_read_ctx 14KB 15KB [ 900.061129] bio-1 1KB 3KB [ 900.066796] pid_namespace 2KB 7KB [ 900.072477] rpc_buffers 17KB 19KB [ 900.078201] rpc_tasks 2KB 3KB [ 900.083860] UNIX 9KB 14KB [ 900.089677] tcp_bind_bucket 1KB 4KB [ 900.095329] ip_fib_trie 11KB 15KB [ 900.101018] ip_fib_alias 52KB 55KB [ 900.106674] ip_dst_cache 1KB 8KB [ 900.112398] RAW 40KB 43KB [ 900.118085] UDP 16KB 26KB [ 900.123749] TCP 5KB 5KB [ 900.130117] hugetlbfs_inode_cache 2KB 7KB [ 900.137858] fscache_cookie_jar 1KB 3KB [ 900.146001] eventpoll_pwq 34KB 51KB [ 900.153428] eventpoll_epi 63KB 94KB [ 900.159135] inotify_inode_mark 60KB 90KB [ 900.164871] request_queue 138KB 147KB [ 900.170543] blkdev_ioc 50KB 50KB [ 900.176186] bio-0 4871KB 4871KB [ 900.183205] biovec-max 4290KB 4290KB [ 900.196596] biovec-64 2756KB 2756KB [ 900.202509] biovec-16 948KB 948KB [ 900.208730] bio_integrity_payload 1KB 3KB [ 900.214769] khugepaged_mm_slot 0KB 3KB [ 900.220568] dmaengine-unmap-256 2KB 6KB [ 900.226409] dmaengine-unmap-128 1KB 3KB [ 900.232302] dmaengine-unmap-16 0KB 4KB [ 900.238100] dmaengine-unmap-2 0KB 3KB [ 900.243781] skbuff_fclone_cache 6KB 7KB [ 900.249715] skbuff_head_cache 556KB 1710KB [ 900.256923] configfs_dir_cache 0KB 4KB [ 900.263470] file_lock_cache 0KB 3KB [ 900.269473] file_lock_ctx 0KB 3KB [ 900.275170] fsnotify_mark_connector 35KB 55KB [ 900.281449] net_namespace 52KB 52KB [ 900.289579] shmem_inode_cache 5786KB 6042KB [ 900.295276] task_delay_info 101KB 484KB [ 900.301011] taskstats 145KB 163KB [ 900.306690] proc_dir_entry 578KB 581KB [ 900.312394] pde_opener 0KB 3KB [ 900.318120] seq_file 287KB 342KB [ 900.323827] sigqueue 32KB 208KB [ 900.329558] kernfs_node_cache 11484KB 11489KB [ 900.335248] mnt_cache 6041KB 6440KB [ 900.340960] filp 3973KB 6776KB [ 900.346646] names_cache 100028KB 100028KB [ 900.352406] iint_cache 90KB 91KB [ 900.358132] key_jar 3KB 7KB [ 900.363833] uts_namespace 2KB 7KB [ 900.378036] nsproxy 63KB 75KB [ 900.462080] vm_area_struct 7062KB 12193KB [ 900.487390] mm_struct 1051KB 2964KB [ 900.505330] fs_cache 84KB 436KB [ 900.514155] files_cache 307KB 862KB [ 900.524005] signal_cache 725KB 1969KB [ 900.529870] sighand_cache 506KB 506KB [ 900.536278] task_struct 3186KB 3229KB [ 900.541912] cred_jar 609KB 2264KB [ 900.548397] anon_vma_chain 4445KB 6870KB [ 900.553892] anon_vma 189KB 346KB [ 900.564445] pid 64KB 276KB [ 900.574465] Acpi-Operand 106KB 158KB [ 900.584425] Acpi-Namespace 19KB 23KB [ 900.605588] numa_policy 0KB 3KB [ 900.611579] trace_event_file 262KB 262KB [ 900.650757] ftrace_event_field 377KB 378KB [ 900.656509] pool_workqueue 87KB 88KB [ 900.668182] task_group 5KB 7KB [ 900.706437] debug_objects_cache 886KB 896KB [ 900.733081] page->ptl 1206KB 3257KB [ 900.742315] kmalloc-4M 5664768KB 5664768KB [ 900.751150] kmalloc-2M 2050KB 2050KB [ 900.756679] kmalloc-512k 2056KB 2056KB [ 900.771623] kmalloc-256k 516KB 516KB [ 900.779259] kmalloc-128k 520KB 520KB [ 900.785607] kmalloc-64k 594KB 594KB [ 900.791765] kmalloc-32k 1254KB 1254KB [ 900.797291] kmalloc-16k 379KB 379KB [ 900.802794] kmalloc-8k 1683KB 1683KB [ 900.808437] kmalloc-4k 18398KB 18436KB [ 900.814003] kmalloc-2k 7739KB 9957KB [ 900.819508] kmalloc-1k 6540KB 7032KB [ 900.824951] kmalloc-512 3350KB 6138KB [ 900.830591] kmalloc-256 2902KB 2940KB [ 900.836214] kmalloc-128 1441KB 1519KB [ 900.844479] kmalloc-96 3618KB 3648KB [ 900.853724] kmalloc-64 2181KB 2284KB [ 900.859693] kmalloc-32 2970KB 3173KB [ 900.882527] kmalloc-192 858KB 928KB [ 900.888739] kmem_cache 220KB 221KB [ 900.894482] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0 [ 900.894501] ,global_oom,task_memcg=/,task=syz-execprog,pid=6088,uid=0 [ 900.914477] Out of memory: Kill process 6088 (syz-execprog) score 1 or sacrifice child [ 900.929827] Killed process 6104 (syz-executor0) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 900.940440] oom_reaper: reaped process 6104 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 900.955131] syz-executor3 invoked oom-killer: gfp_mask=0x7080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), order=3, oom_score_adj=1000 [ 900.971257] CPU: 0 PID: 21758 Comm: syz-executor3 Not tainted 4.20.0-rc5-next-20181207+ #163 [ 900.979846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 900.989199] Call Trace: [ 900.991810] dump_stack+0x244/0x39d [ 900.995446] ? dump_stack_print_info.cold.1+0x20/0x20 [ 901.000663] dump_header+0x253/0x1239 [ 901.004478] ? mark_held_locks+0x130/0x130 [ 901.008737] ? pagefault_out_of_memory+0x19d/0x19d [ 901.013667] ? mark_held_locks+0x130/0x130 [ 901.017890] ? mark_held_locks+0x130/0x130 [ 901.022109] ? __lock_acquire+0x62f/0x4c20 [ 901.026324] ? compaction_suitable+0x550/0x550 [ 901.030892] ? print_usage_bug+0xc0/0xc0 [ 901.034937] ? mem_cgroup_css_online+0x3d0/0x3d0 [ 901.039681] ? graph_lock+0x270/0x270 [ 901.043467] ? print_usage_bug+0xc0/0xc0 [ 901.047544] ? __lock_acquire+0x62f/0x4c20 [ 901.051767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 901.057287] ? find_held_lock+0x36/0x1c0 [ 901.061334] ? mark_held_locks+0xc7/0x130 [ 901.065479] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 901.070566] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 901.075665] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 901.080234] ? trace_hardirqs_on+0xbd/0x310 [ 901.084542] ? kasan_check_read+0x11/0x20 [ 901.088676] ? ___ratelimit+0x3b4/0x672 [ 901.092640] ? trace_hardirqs_off_caller+0x310/0x310 [ 901.097729] ? trace_hardirqs_on+0x310/0x310 [ 901.102137] ? lock_downgrade+0x900/0x900 [ 901.106274] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 901.111362] ? ___ratelimit+0x3b9/0x672 [ 901.115318] ? idr_get_free+0xf70/0xf70 [ 901.119295] ? kasan_check_read+0x11/0x20 [ 901.123450] ? do_raw_spin_unlock+0xa7/0x330 [ 901.127845] oom_kill_process.cold.27+0x10/0x903 [ 901.132583] ? graph_lock+0x270/0x270 [ 901.136364] ? _raw_spin_unlock+0x2c/0x50 [ 901.140510] ? oom_badness+0xe6/0xaa0 [ 901.144296] ? oom_evaluate_task+0x540/0x540 [ 901.148691] ? find_held_lock+0x36/0x1c0 [ 901.152745] ? out_of_memory+0xcc5/0x1480 [ 901.156875] ? lock_downgrade+0x900/0x900 [ 901.161006] ? check_preemption_disabled+0x48/0x280 [ 901.166006] ? kasan_check_read+0x11/0x20 [ 901.170135] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 901.175406] ? rcu_read_unlock_special+0x370/0x370 [ 901.180322] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 901.185321] ? oom_evaluate_task+0x302/0x540 [ 901.189721] out_of_memory+0x8ba/0x1480 [ 901.193688] ? oom_killer_disable+0x3a0/0x3a0 [ 901.198172] ? __alloc_pages_slowpath+0xf84/0x2e00 [ 901.203092] ? __ww_mutex_check_waiters+0x160/0x160 [ 901.208096] __alloc_pages_slowpath+0x2354/0x2e00 [ 901.212917] ? _raw_spin_unlock_irq+0x27/0x80 [ 901.217401] ? graph_lock+0x270/0x270 [ 901.221193] ? warn_alloc+0x120/0x120 [ 901.224977] ? mark_held_locks+0x130/0x130 [ 901.229211] ? find_held_lock+0x36/0x1c0 [ 901.233291] ? lock_downgrade+0x900/0x900 [ 901.237425] ? check_preemption_disabled+0x48/0x280 [ 901.242426] ? kasan_check_read+0x11/0x20 [ 901.246571] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 901.251834] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 901.257370] ? should_fail+0x22d/0xd01 [ 901.261253] ? rcu_read_unlock_special+0x370/0x370 [ 901.266179] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 901.271279] ? graph_lock+0x270/0x270 [ 901.275065] ? kernel_text_address+0x79/0xf0 [ 901.279459] ? unwind_get_return_address+0x61/0xa0 [ 901.284373] ? find_held_lock+0x36/0x1c0 [ 901.288444] ? lock_release+0xa00/0xa00 [ 901.292400] ? perf_trace_sched_process_exec+0x860/0x860 [ 901.297833] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 901.303201] ? __might_sleep+0x95/0x190 [ 901.307170] __alloc_pages_nodemask+0xaed/0xec0 [ 901.311847] ? __alloc_pages_slowpath+0x2e00/0x2e00 [ 901.316849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 901.322370] ? check_preemption_disabled+0x48/0x280 [ 901.327374] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 901.332894] ? rcu_pm_notify+0xc0/0xc0 [ 901.336763] ? copy_process+0x2027/0x87a0 [ 901.340896] ? rcu_read_lock_sched_held+0x14f/0x180 [ 901.345897] ? kmem_cache_alloc_node+0x34d/0x730 [ 901.350644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 901.356179] ? wp_page_copy+0x14df/0x2710 [ 901.360329] copy_process+0xa09/0x87a0 [ 901.364199] ? follow_pfn+0x2e0/0x2e0 [ 901.367985] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 901.373556] ? __cpuset_node_allowed+0x19b/0x660 [ 901.378300] ? cpuset_nodemask_valid_mems_allowed+0x90/0x90 [ 901.384002] ? reuse_swap_page+0x4bd/0x1520 [ 901.388323] ? unlock_page_memcg+0x2c/0x40 [ 901.392550] ? __cleanup_sighand+0x70/0x70 [ 901.396771] ? find_held_lock+0x36/0x1c0 [ 901.400833] ? __lock_acquire+0x62f/0x4c20 [ 901.405055] ? print_usage_bug+0xc0/0xc0 [ 901.409099] ? __alloc_pages_slowpath+0x24d7/0x2e00 [ 901.414100] ? mark_held_locks+0x130/0x130 [ 901.418315] ? print_usage_bug+0xc0/0xc0 [ 901.422381] ? wake_all_kswapds+0x150/0x300 [ 901.426689] ? __lock_acquire+0x62f/0x4c20 [ 901.430909] ? mem_cgroup_update_lru_size+0xd0/0xd0 [ 901.435915] ? print_usage_bug+0xc0/0xc0 [ 901.439960] ? mark_held_locks+0x130/0x130 [ 901.444177] ? print_usage_bug+0xc0/0xc0 [ 901.448223] ? do_raw_spin_trylock+0x270/0x270 [ 901.452792] ? graph_lock+0x270/0x270 [ 901.456609] ? flush_tlb_mm_range+0x43a/0x5d0 [ 901.461106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 901.466626] ? check_preemption_disabled+0x48/0x280 [ 901.471667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 901.477190] ? __lru_cache_add+0x2ff/0x4e0 [ 901.481407] ? __pagevec_lru_add+0x30/0x30 [ 901.485624] ? mark_held_locks+0x130/0x130 [ 901.489848] ? graph_lock+0x270/0x270 [ 901.493640] ? __lock_acquire+0x62f/0x4c20 [ 901.497868] ? lru_cache_add+0x417/0xa50 [ 901.501909] ? lru_cache_add_file+0x20/0x20 [ 901.506214] ? percpu_ref_put_many+0x11c/0x260 [ 901.510795] ? print_usage_bug+0xc0/0xc0 [ 901.514844] ? check_preemption_disabled+0x48/0x280 [ 901.519845] ? __this_cpu_preempt_check+0x1c/0x20 [ 901.524672] ? mem_cgroup_event_ratelimit.isra.54+0x51/0x110 [ 901.530459] ? mark_held_locks+0xc7/0x130 [ 901.534590] ? mem_cgroup_commit_charge+0x2c1/0xa50 [ 901.539591] ? mem_cgroup_commit_charge+0x2c1/0xa50 [ 901.544593] ? graph_lock+0x270/0x270 [ 901.548380] ? lru_cache_add+0xa50/0xa50 [ 901.552422] ? lock_downgrade+0x900/0x900 [ 901.556552] ? check_preemption_disabled+0x48/0x280 [ 901.561558] ? find_held_lock+0x36/0x1c0 [ 901.565607] ? __handle_mm_fault+0x2d7f/0x5b70 [ 901.570175] ? lock_downgrade+0x900/0x900 [ 901.574317] ? kasan_check_read+0x11/0x20 [ 901.578449] ? do_raw_spin_unlock+0xa7/0x330 [ 901.582840] ? do_raw_spin_trylock+0x270/0x270 [ 901.587408] ? fault_dirty_shared_page.isra.87+0x320/0x320 [ 901.593021] ? _raw_spin_unlock+0x2c/0x50 [ 901.597152] ? __handle_mm_fault+0xa57/0x5b70 [ 901.601641] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 901.606477] ? graph_lock+0x270/0x270 [ 901.610261] ? graph_lock+0x270/0x270 [ 901.614042] ? graph_lock+0x270/0x270 [ 901.617822] ? find_held_lock+0x36/0x1c0 [ 901.621866] ? find_held_lock+0x36/0x1c0 [ 901.625912] _do_fork+0x1cb/0x11d0 [ 901.629438] ? fork_idle+0x1d0/0x1d0 [ 901.633140] ? kasan_check_read+0x11/0x20 [ 901.637275] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 901.642533] ? rcu_read_unlock_special+0x370/0x370 [ 901.647448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 901.652972] ? check_preemption_disabled+0x48/0x280 [ 901.657976] ? kasan_check_write+0x14/0x20 [ 901.662190] ? up_read+0x225/0x2c0 [ 901.665711] ? up_read_non_owner+0x100/0x100 [ 901.670106] ? do_syscall_64+0x9a/0x820 [ 901.674087] ? do_syscall_64+0x9a/0x820 [ 901.678047] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 901.682617] ? trace_hardirqs_on+0xbd/0x310 [ 901.686926] ? mprotect_fixup+0xc60/0xc60 [ 901.691063] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 901.696406] ? trace_hardirqs_off_caller+0x310/0x310 [ 901.701496] __x64_sys_clone+0xbf/0x150 [ 901.705459] do_syscall_64+0x1b9/0x820 [ 901.709327] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 901.714678] ? syscall_return_slowpath+0x5e0/0x5e0 [ 901.719590] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 901.724434] ? trace_hardirqs_on_caller+0x310/0x310 [ 901.729452] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 901.734453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 901.739972] ? prepare_exit_to_usermode+0x291/0x3b0 [ 901.744973] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 901.749800] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 901.754972] RIP: 0033:0x459f39 [ 901.758164] Code: Bad RIP value. [ 901.761511] RSP: 002b:00007ffca529d408 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 901.769201] RAX: ffffffffffffffda RBX: 00007fc1c457e700 RCX: 0000000000459f39 [ 901.776451] RDX: 00007fc1c457e9d0 RSI: 00007fc1c457ddb0 RDI: 00000000003d0f00 [ 901.783701] RBP: 00007ffca529d610 R08: 00007fc1c457e700 R09: 00007fc1c457e700 [ 901.790952] R10: 00007fc1c457e9d0 R11: 0000000000000202 R12: 0000000000000000 [ 901.798205] R13: 00007ffca529d4bf R14: 00007fc1c457e9c0 R15: 0000000000000000 [ 901.839486] Mem-Info: [ 901.846541] active_anon:4109 inactive_anon:183 isolated_anon:0 [ 901.846541] active_file:31 inactive_file:17 isolated_file:6 [ 901.846541] unevictable:0 dirty:0 writeback:0 unstable:0 [ 901.846541] slab_reclaimable:14682 slab_unreclaimable:1515224 [ 901.846541] mapped:10 shmem:244 pagetables:451 bounce:0 [ 901.846541] free:24357 free_pcp:14 free_cma:0 [ 901.879355] Node 0 active_anon:16436kB inactive_anon:732kB active_file:124kB inactive_file:268kB unevictable:0kB isolated(anon):0kB isolated(file):24kB mapped:240kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 901.906754] 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 [ 901.932986] lowmem_reserve[]: 0 2816 6319 6319 [ 901.937654] Node 0 DMA32 free:44004kB min:30040kB low:37548kB high:45056kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2886736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 901.977168] lowmem_reserve[]: 0 0 3503 3503 [ 901.983191] Node 0 Normal free:37136kB min:66048kB low:75392kB high:84736kB active_anon:16436kB inactive_anon:732kB active_file:180kB inactive_file:176kB unevictable:0kB writepending:0kB present:4718592kB managed:3587560kB mlocked:0kB kernel_stack:7136kB pagetables:1804kB bounce:0kB free_pcp:840kB local_pcp:8kB free_cma:0kB [ 902.016501] lowmem_reserve[]: 0 0 0 0 [ 902.020411] 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 [ 902.034093] Node 0 DMA32: 5*4kB (ME) 20*8kB (UE) 55*16kB (UME) 30*32kB (UME) 16*64kB (UME) 2*128kB (M) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 4*2048kB (ME) 6*4096kB (M) = 44004kB [ 902.050554] Node 0 Normal: 494*4kB (UMEH) 630*8kB (UMEH) 292*16kB (UMH) 148*32kB (UME) 71*64kB (UME) 25*128kB (UME) 16*256kB (UM) 7*512kB (ME) 4*1024kB (M) 1*2048kB (U) 0*4096kB = 37992kB [ 902.067868] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 902.076698] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 902.085297] 367 total pagecache pages [ 902.098070] 0 pages in swap cache [ 902.101539] Swap cache stats: add 0, delete 0, find 0/0 [ 902.111849] Free swap = 0kB [ 902.115733] Total swap = 0kB [ 902.119319] 1965979 pages RAM [ 902.126527] 0 pages HighMem/MovableOnly [ 902.133805] 343428 pages reserved [ 902.137413] 0 pages cma reserved [ 902.141869] Unreclaimable slab info: [ 902.145884] Name Used Total [ 902.151700] pid_2 136KB 160KB [ 902.160847] bio-3 0KB 3KB [ 902.168808] TIPC 10KB 14KB [ 902.174201] SCTPv6 14KB 16KB [ 902.179599] DCCPv6 17KB 21KB [ 902.184950] DCCP 16KB 20KB [ 902.190595] bridge_fdb_cache 11KB 15KB [ 902.196343] fib6_nodes 77KB 80KB [ 902.201896] ip6_dst_cache 86KB 161KB [ 902.211891] RAWv6 68KB 71KB [ 902.230807] UDPv6 3KB 3KB [ 902.236192] TCPv6 23KB 23KB [ 902.242604] nf_conntrack 0KB 3KB [ 902.258859] sd_ext_cdb 0KB 3KB [ 902.264367] scsi_sense_cache 1056KB 1060KB [ 902.271805] virtio_scsi_cmd 16KB 16KB [ 902.278311] sgpool-128 8KB 8KB [ 902.284559] sgpool-64 4KB 6KB [ 902.305972] sgpool-32 2KB 7KB [ 902.318208] sgpool-16 1KB 3KB [ 902.331075] sgpool-8 0KB 3KB [ 902.336601] mqueue_inode_cache 10KB 14KB [ 902.342254] bio_post_read_ctx 14KB 15KB [ 902.347896] bio-2 14KB 15KB [ 902.353355] jfs_mp 7KB 7KB [ 902.370728] nfs_commit_data 3KB 7KB [ 902.376802] nfs_write_data 32KB 32KB [ 902.386255] ext4_system_zone 0KB 3KB [ 902.397241] bio_post_read_ctx 14KB 15KB [ 902.405127] bio-1 1KB 3KB [ 902.412345] pid_namespace 2KB 7KB 2018/12/08 01:50:35 executed programs: 3560 [ 902.423496] rpc_buffers 17KB 19KB [ 902.429917] rpc_tasks 2KB 3KB [ 902.517660] UNIX 9KB 14KB [ 902.523078] tcp_bind_bucket 1KB 4KB [ 902.538704] ip_fib_trie 11KB 15KB [ 902.553043] ip_fib_alias 52KB 55KB [ 902.642830] ip_dst_cache 1KB 8KB [ 902.673060] RAW 40KB 43KB [ 902.716257] UDP 16KB 26KB [ 902.764200] TCP 5KB 5KB [ 902.779179] hugetlbfs_inode_cache 2KB 7KB [ 902.810021] fscache_cookie_jar 1KB 3KB [ 902.822825] eventpoll_pwq 33KB 51KB [ 902.877059] eventpoll_epi 73KB 94KB [ 902.893823] inotify_inode_mark 71KB 90KB [ 902.926631] request_queue 138KB 147KB [ 902.941005] blkdev_ioc 50KB 50KB [ 902.947178] bio-0 5118KB 5118KB [ 902.953138] biovec-max 4380KB 4380KB [ 902.963308] biovec-64 2882KB 2882KB [ 902.969220] biovec-16 997KB 997KB [ 902.974944] bio_integrity_payload 1KB 3KB [ 902.984449] khugepaged_mm_slot 0KB 3KB [ 902.990438] dmaengine-unmap-256 2KB 6KB [ 902.996155] dmaengine-unmap-128 1KB 3KB [ 903.002180] dmaengine-unmap-16 0KB 4KB [ 903.009258] dmaengine-unmap-2 0KB 3KB [ 903.010336] kasan: CONFIG_KASAN_INLINE enabled [ 903.014797] skbuff_fclone_cache 5KB 7KB [ 903.019593] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 903.019619] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 903.019646] CPU: 1 PID: 21755 Comm: syz-executor0 Not tainted 4.20.0-rc5-next-20181207+ #163 [ 903.019653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 903.019673] RIP: 0010:__list_del_entry_valid+0x84/0x100 [ 903.019686] Code: 0f 84 60 01 00 00 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 39 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 5f 49 8b 14 24 48 39 da 0f 85 4e 01 00 00 49 8d 7d [ 903.019693] RSP: 0018:ffff8881b5ea6ec0 EFLAGS: 00010a06 [ 903.019704] RAX: dffffc0000000000 RBX: ffffffff87dd7df8 RCX: ffffffff8341d7fe [ 903.019718] RDX: 11699ffffec411b1 RSI: ffffffff8341d556 RDI: ffffffff87dd7e00 [ 903.026421] skbuff_head_cache 539KB 1706KB [ 903.032588] RBP: ffff8881b5ea6ed8 R08: ffff8881baf76300 R09: fffff5200198e400 [ 903.032597] R10: fffff5200198e400 R11: ffffc9000cc72003 R12: 8b4cfffff6208d8b [ 903.032606] R13: 48fffff618b58b48 R14: ffff8881b5ea72c0 R15: dffffc0000000000 [ 903.032618] FS: 000000000279f940(0000) GS:ffff8881dad00000(0000) knlGS:0000000000000000 [ 903.032627] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 903.032645] CR2: 000000000072c000 CR3: 00000001c031f000 CR4: 00000000001406e0 [ 903.032657] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 903.032665] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 903.032669] Call Trace: [ 903.032685] ? rb_erase_cached+0xc78/0x3720 [ 903.032697] ? rb_erase_cached+0xc80/0x3720 [ 903.032710] freeary+0xe72/0x1a40 [ 903.032727] ? rb_erase_cached+0xc78/0x3720 [ 903.039868] configfs_dir_cache 0KB 4KB [ 903.047521] ? newary+0xb40/0xb40 [ 903.047537] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 903.047553] ? trace_hardirqs_on+0xbd/0x310 [ 903.047566] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 903.047577] ? call_rcu+0xb/0x10 [ 903.047591] ? trace_hardirqs_off_caller+0x310/0x310 [ 903.047611] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 903.057289] file_lock_cache 0KB 3KB [ 903.062326] ? check_preemption_disabled+0x48/0x280 [ 903.062341] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 903.062359] ? ida_free+0x310/0x4d0 [ 903.062376] ? rcu_is_watching+0x30/0x30 [ 903.082576] file_lock_ctx 0KB 3KB [ 903.087136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 903.087154] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 903.087176] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 903.087189] ? __radix_tree_lookup+0x3b6/0x510 [ 903.087205] ? radix_tree_insert+0x870/0x870 [ 903.087228] ? lock_acquire+0x1ed/0x520 [ 903.087242] ? free_ipcs+0x8f/0x1c0 [ 903.087258] ? free_ipcs+0xd4/0x1c0 [ 903.094798] fsnotify_mark_connector 43KB 55KB [ 903.101788] ? kasan_check_write+0x14/0x20 [ 903.101802] ? do_raw_spin_lock+0x14f/0x350 [ 903.101815] ? rwlock_bug.part.2+0x90/0x90 [ 903.101828] ? rcu_softirq_qs+0x20/0x20 [ 903.101847] free_ipcs+0x9f/0x1c0 [ 903.101859] ? newary+0xb40/0xb40 [ 903.101873] sem_exit_ns+0x20/0x40 [ 903.101889] put_ipc_ns+0x66/0x180 [ 903.108119] net_namespace 52KB 52KB [ 903.114519] free_nsproxy+0xcf/0x220 [ 903.114534] switch_task_namespaces+0xb3/0xd0 [ 903.114548] exit_task_namespaces+0x17/0x20 [ 903.114563] do_exit+0x1a48/0x2620 [ 903.114583] ? mm_update_next_owner+0x990/0x990 [ 903.114609] ? __lock_acquire+0x62f/0x4c20 [ 903.114624] ? lru_cache_add_file+0x20/0x20 [ 903.114654] ? percpu_ref_put_many+0x11c/0x260 [ 903.122729] shmem_inode_cache 5754KB 6042KB [ 903.129198] ? mark_held_locks+0x130/0x130 [ 903.129216] ? check_preemption_disabled+0x48/0x280 [ 903.129233] ? __this_cpu_preempt_check+0x1c/0x20 [ 903.129248] ? mem_cgroup_event_ratelimit.isra.54+0x51/0x110 [ 903.129265] ? mark_held_locks+0xc7/0x130 [ 903.129284] ? mem_cgroup_commit_charge+0x2c1/0xa50 [ 903.143939] task_delay_info 112KB 484KB [ 903.150736] ? mem_cgroup_commit_charge+0x2c1/0xa50 [ 903.150755] ? graph_lock+0x270/0x270 [ 903.150769] ? lru_cache_add+0xa50/0xa50 [ 903.150786] ? check_preemption_disabled+0x48/0x280 [ 903.150802] ? graph_lock+0x270/0x270 [ 903.150818] ? find_held_lock+0x36/0x1c0 [ 903.150837] ? memset+0x31/0x40 [ 903.158518] taskstats 152KB 163KB [ 903.165368] ? find_held_lock+0x36/0x1c0 [ 903.165448] ? get_signal+0x95b/0x1980 [ 903.165467] ? _raw_spin_unlock_irq+0x27/0x80 [ 903.168262] proc_dir_entry 578KB 581KB [ 903.172354] ? _raw_spin_unlock_irq+0x27/0x80 [ 903.172375] do_group_exit+0x177/0x440 [ 903.172391] ? trace_hardirqs_off_caller+0x310/0x310 [ 903.172409] ? __ia32_sys_exit+0x50/0x50 [ 903.172426] get_signal+0x8b0/0x1980 [ 903.172444] ? ptrace_notify+0x130/0x130 [ 903.172461] ? graph_lock+0x270/0x270 [ 903.181575] pde_opener 0KB 3KB [ 903.184521] ? graph_lock+0x270/0x270 [ 903.184535] ? find_held_lock+0x36/0x1c0 [ 903.184616] do_signal+0x9c/0x21c0 [ 903.184653] ? fork_idle+0x1d0/0x1d0 [ 903.190470] seq_file 282KB 342KB [ 903.193553] ? kasan_check_read+0x11/0x20 [ 903.193568] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 903.193581] ? setup_sigcontext+0x7d0/0x7d0 [ 903.193598] ? rcu_read_unlock_special+0x370/0x370 [ 903.198723] sigqueue 39KB 208KB [ 903.202493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 903.202511] ? exit_to_usermode_loop+0x8c/0x380 [ 903.202526] ? exit_to_usermode_loop+0x8c/0x380 [ 903.202544] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 903.208241] kernfs_node_cache 11484KB 11489KB [ 903.211175] ? trace_hardirqs_on+0xbd/0x310 [ 903.211189] ? up_read+0x225/0x2c0 [ 903.211204] ? do_syscall_64+0x6be/0x820 [ 903.211221] ? do_syscall_64+0x9a/0x820 [ 903.216408] mnt_cache 5951KB 6436KB [ 903.221832] ? do_syscall_64+0x9a/0x820 [ 903.221849] exit_to_usermode_loop+0x2e5/0x380 [ 903.221865] ? __bpf_trace_sys_exit+0x30/0x30 [ 903.221885] do_syscall_64+0x6be/0x820 [ 903.221899] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 903.221911] ? syscall_return_slowpath+0x5e0/0x5e0 [ 903.221924] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 903.221943] ? trace_hardirqs_on_caller+0x310/0x310 [ 903.227867] filp 3938KB 6761KB [ 903.232302] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 903.232318] ? prepare_exit_to_usermode+0x291/0x3b0 [ 903.232336] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 903.232354] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 903.237870] names_cache 99560KB 99598KB [ 903.241052] RIP: 0033:0x459f39 [ 903.241068] Code: ff 48 85 f6 0f 84 27 8a fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c fe 89 fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 903.241076] RSP: 002b:00007ffd923f9ef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 903.241089] RAX: fffffffffffffff4 RBX: 00007f99b9efc700 RCX: 0000000000459f39 [ 903.241103] RDX: 00007f99b9efc9d0 RSI: 00007f99b9efbdb0 RDI: 00000000003d0f00 [ 903.245257] iint_cache 87KB 91KB [ 903.250497] RBP: 00007ffd923fa100 R08: 00007f99b9efc700 R09: 00007f99b9efc700 [ 903.250505] R10: 00007f99b9efc9d0 R11: 0000000000000202 R12: 0000000000000000 [ 903.250514] R13: 00007ffd923f9faf R14: 00007f99b9efc9c0 R15: 0000000000000001 [ 903.250528] Modules linked in: [ 903.250576] ---[ end trace 984887003f1a69a9 ]--- [ 903.250601] RIP: 0010:__list_del_entry_valid+0x84/0x100 [ 903.256670] key_jar 3KB 7KB [ 903.261249] Code: 0f 84 60 01 00 00 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 39 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 5f 49 8b 14 24 48 39 da 0f 85 4e 01 00 00 49 8d 7d [ 903.261258] RSP: 0018:ffff8881b5ea6ec0 EFLAGS: 00010a06 [ 903.261270] RAX: dffffc0000000000 RBX: ffffffff87dd7df8 RCX: ffffffff8341d7fe [ 903.261279] RDX: 11699ffffec411b1 RSI: ffffffff8341d556 RDI: ffffffff87dd7e00 [ 903.261294] RBP: ffff8881b5ea6ed8 R08: ffff8881baf76300 R09: fffff5200198e400 [ 903.268600] uts_namespace 2KB 7KB [ 903.271413] R10: fffff5200198e400 R11: ffffc9000cc72003 R12: 8b4cfffff6208d8b [ 903.271423] R13: 48fffff618b58b48 R14: ffff8881b5ea72c0 R15: dffffc0000000000 [ 903.271439] FS: 000000000279f940(0000) GS:ffff8881dad00000(0000) knlGS:0000000000000000 [ 903.275939] nsproxy 63KB 75KB [ 903.279821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 903.279830] CR2: 000000000072c000 CR3: 00000001c031f000 CR4: 00000000001406e0 [ 903.279843] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 903.279851] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 903.279859] Kernel panic - not syncing: Fatal exception [ 903.284578] Kernel Offset: disabled [ 903.852490] Rebooting in 86400 seconds..