[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 31.771124] kauditd_printk_skb: 9 callbacks suppressed [ 31.771134] audit: type=1800 audit(1544552787.605:33): pid=5946 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 31.799129] audit: type=1800 audit(1544552787.615:34): pid=5946 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 34.910731] audit: type=1400 audit(1544552790.745:35): avc: denied { map } for pid=6125 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 34.955935] sshd (6123) used greatest stack depth: 15744 bytes left Warning: Permanently added '10.128.0.119' (ECDSA) to the list of known hosts. [ 531.316440] audit: type=1400 audit(1544553287.155:36): avc: denied { map } for pid=6139 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2018/12/11 18:34:47 parsed 1 programs [ 531.943472] audit: type=1400 audit(1544553287.785:37): avc: denied { map } for pid=6139 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=3679 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2018/12/11 18:34:50 executed programs: 0 [ 534.259593] IPVS: ftp: loaded support on port[0] = 21 [ 534.259599] IPVS: ftp: loaded support on port[0] = 21 [ 534.277185] IPVS: ftp: loaded support on port[0] = 21 [ 534.278831] IPVS: ftp: loaded support on port[0] = 21 [ 534.283773] IPVS: ftp: loaded support on port[0] = 21 [ 534.296216] IPVS: ftp: loaded support on port[0] = 21 [ 535.463498] bridge0: port 1(bridge_slave_0) entered blocking state [ 535.469966] bridge0: port 1(bridge_slave_0) entered disabled state [ 535.488068] device bridge_slave_0 entered promiscuous mode [ 535.504987] bridge0: port 1(bridge_slave_0) entered blocking state [ 535.511619] bridge0: port 1(bridge_slave_0) entered disabled state [ 535.520341] device bridge_slave_0 entered promiscuous mode [ 535.529465] bridge0: port 1(bridge_slave_0) entered blocking state [ 535.540366] bridge0: port 1(bridge_slave_0) entered disabled state [ 535.548544] device bridge_slave_0 entered promiscuous mode [ 535.555984] bridge0: port 1(bridge_slave_0) entered blocking state [ 535.566152] bridge0: port 1(bridge_slave_0) entered disabled state [ 535.573921] device bridge_slave_0 entered promiscuous mode [ 535.589474] bridge0: port 2(bridge_slave_1) entered blocking state [ 535.597206] bridge0: port 2(bridge_slave_1) entered disabled state [ 535.611618] device bridge_slave_1 entered promiscuous mode [ 535.620071] bridge0: port 1(bridge_slave_0) entered blocking state [ 535.627491] bridge0: port 1(bridge_slave_0) entered disabled state [ 535.635031] device bridge_slave_0 entered promiscuous mode [ 535.643843] bridge0: port 2(bridge_slave_1) entered blocking state [ 535.650294] bridge0: port 2(bridge_slave_1) entered disabled state [ 535.658230] device bridge_slave_1 entered promiscuous mode [ 535.667211] bridge0: port 2(bridge_slave_1) entered blocking state [ 535.674096] bridge0: port 2(bridge_slave_1) entered disabled state [ 535.683006] device bridge_slave_1 entered promiscuous mode [ 535.689817] bridge0: port 2(bridge_slave_1) entered blocking state [ 535.697550] bridge0: port 2(bridge_slave_1) entered disabled state [ 535.705380] device bridge_slave_1 entered promiscuous mode [ 535.713804] bridge0: port 1(bridge_slave_0) entered blocking state [ 535.720155] bridge0: port 1(bridge_slave_0) entered disabled state [ 535.727789] device bridge_slave_0 entered promiscuous mode [ 535.735761] bridge0: port 2(bridge_slave_1) entered blocking state [ 535.746100] bridge0: port 2(bridge_slave_1) entered disabled state [ 535.754069] device bridge_slave_1 entered promiscuous mode [ 535.760414] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 535.769589] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 535.778751] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 535.792137] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 535.801345] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 535.821123] bridge0: port 2(bridge_slave_1) entered blocking state [ 535.837465] bridge0: port 2(bridge_slave_1) entered disabled state [ 535.848203] device bridge_slave_1 entered promiscuous mode [ 535.857932] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 535.867383] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 535.880925] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 535.892648] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 535.903465] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 535.917558] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 536.011368] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 536.069794] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 536.114784] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 536.128743] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 536.142461] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 536.151285] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 536.191434] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 536.207849] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 536.218671] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 536.229744] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 536.255609] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 536.269582] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 536.277862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 536.290985] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 536.301399] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 536.314459] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 536.323989] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 536.332557] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 536.342461] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 536.360549] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 536.373289] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 536.382355] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 536.393680] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 536.403461] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 536.410633] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 536.429005] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 536.438252] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 536.447935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 536.459675] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 536.468101] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 536.476656] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 536.509831] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 536.518845] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 536.539112] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 536.557083] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 536.649203] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 536.667845] team0: Port device team_slave_0 added [ 536.674086] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 536.681348] team0: Port device team_slave_0 added [ 536.699956] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 536.712937] team0: Port device team_slave_0 added [ 536.718486] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 536.726731] team0: Port device team_slave_0 added [ 536.732477] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 536.739772] team0: Port device team_slave_0 added [ 536.750110] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 536.762417] team0: Port device team_slave_1 added [ 536.769700] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 536.783075] team0: Port device team_slave_1 added [ 536.803121] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 536.810439] team0: Port device team_slave_1 added [ 536.820733] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 536.831203] team0: Port device team_slave_1 added [ 536.847497] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 536.872365] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 536.879582] team0: Port device team_slave_1 added [ 536.901564] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 536.912708] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 536.927381] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 536.939196] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 536.947900] team0: Port device team_slave_0 added [ 536.955840] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 536.965954] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 536.978985] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 536.987611] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 537.006513] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 537.016970] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 537.031852] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 537.047176] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 537.061009] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 537.070875] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 537.078683] team0: Port device team_slave_1 added [ 537.092766] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 537.100305] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 537.109328] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 537.117858] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 537.125792] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 537.134038] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 537.140984] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 537.149981] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 537.162246] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 537.171455] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 537.182478] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 537.194706] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 537.208845] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 537.227916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 537.237003] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 537.245709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 537.254158] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 537.262017] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 537.269720] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 537.277436] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 537.287374] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 537.303169] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 537.315983] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 537.337049] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 537.351477] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 537.366155] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 537.374282] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 537.382622] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 537.390067] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 537.398101] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 537.405900] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 537.413587] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 537.425623] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 537.435856] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 537.449985] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 537.467126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 537.482718] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 537.490644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 537.504390] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 537.525614] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 537.538170] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 537.968264] bridge0: port 2(bridge_slave_1) entered blocking state [ 537.974875] bridge0: port 2(bridge_slave_1) entered forwarding state [ 537.982027] bridge0: port 1(bridge_slave_0) entered blocking state [ 537.988390] bridge0: port 1(bridge_slave_0) entered forwarding state [ 537.999328] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 538.076313] bridge0: port 2(bridge_slave_1) entered blocking state [ 538.082737] bridge0: port 2(bridge_slave_1) entered forwarding state [ 538.089400] bridge0: port 1(bridge_slave_0) entered blocking state [ 538.095807] bridge0: port 1(bridge_slave_0) entered forwarding state [ 538.110745] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 538.141918] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 538.150414] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 538.184540] bridge0: port 2(bridge_slave_1) entered blocking state [ 538.190912] bridge0: port 2(bridge_slave_1) entered forwarding state [ 538.197573] bridge0: port 1(bridge_slave_0) entered blocking state [ 538.203936] bridge0: port 1(bridge_slave_0) entered forwarding state [ 538.213321] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 538.221948] bridge0: port 2(bridge_slave_1) entered blocking state [ 538.228293] bridge0: port 2(bridge_slave_1) entered forwarding state [ 538.234986] bridge0: port 1(bridge_slave_0) entered blocking state [ 538.241362] bridge0: port 1(bridge_slave_0) entered forwarding state [ 538.253134] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 538.263908] bridge0: port 2(bridge_slave_1) entered blocking state [ 538.270266] bridge0: port 2(bridge_slave_1) entered forwarding state [ 538.276898] bridge0: port 1(bridge_slave_0) entered blocking state [ 538.283293] bridge0: port 1(bridge_slave_0) entered forwarding state [ 538.291199] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 538.377720] bridge0: port 2(bridge_slave_1) entered blocking state [ 538.384249] bridge0: port 2(bridge_slave_1) entered forwarding state [ 538.390913] bridge0: port 1(bridge_slave_0) entered blocking state [ 538.397307] bridge0: port 1(bridge_slave_0) entered forwarding state [ 538.412572] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 539.212050] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 539.223728] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 539.244544] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 539.251726] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 540.765591] 8021q: adding VLAN 0 to HW filter on device bond0 [ 540.835785] 8021q: adding VLAN 0 to HW filter on device bond0 [ 540.847242] 8021q: adding VLAN 0 to HW filter on device bond0 [ 540.914873] 8021q: adding VLAN 0 to HW filter on device bond0 [ 540.935648] 8021q: adding VLAN 0 to HW filter on device bond0 [ 540.978968] 8021q: adding VLAN 0 to HW filter on device bond0 [ 541.037367] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 541.092970] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 541.108340] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 541.185072] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 541.214059] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 541.232546] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 541.257033] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 541.264006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 541.271009] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 541.340164] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 541.349802] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 541.362924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 541.419286] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 541.425528] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 541.433923] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 541.491738] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 541.503885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 541.512901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 541.523847] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 541.533316] 8021q: adding VLAN 0 to HW filter on device team0 [ 541.544260] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 541.552897] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 541.559864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 541.579799] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 541.588265] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 541.681489] 8021q: adding VLAN 0 to HW filter on device team0 [ 541.713798] 8021q: adding VLAN 0 to HW filter on device team0 [ 541.772352] 8021q: adding VLAN 0 to HW filter on device team0 [ 541.831730] 8021q: adding VLAN 0 to HW filter on device team0 [ 541.848615] 8021q: adding VLAN 0 to HW filter on device team0 [ 542.882075] audit: type=1400 audit(1544553298.715:38): avc: denied { associate } for pid=6163 comm="syz-executor2" name="syz2" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 2018/12/11 18:34:58 executed programs: 6 2018/12/11 18:35:03 executed programs: 344 2018/12/11 18:35:08 executed programs: 709 2018/12/11 18:35:13 executed programs: 1063 [ 562.294386] syz-executor4 (9917) used greatest stack depth: 13616 bytes left [ 562.314184] syz-executor2 (9920) used greatest stack depth: 11824 bytes left [ 562.333635] syz-executor0 (9923) used greatest stack depth: 11064 bytes left [ 562.356064] syz-executor5 (9921) used greatest stack depth: 10824 bytes left [ 562.620115] syz-executor2 (9926) used greatest stack depth: 10520 bytes left [ 562.689570] syz-executor0 (9933) used greatest stack depth: 10504 bytes left 2018/12/11 18:35:18 executed programs: 1376 [ 564.183192] syz-executor4 (10013) used greatest stack depth: 10264 bytes left [ 564.323172] syz-executor5 (10010) used greatest stack depth: 7544 bytes left [ 564.458041] syz-executor3 (10027) used greatest stack depth: 7480 bytes left [ 568.209575] syz-executor1 invoked oom-killer: gfp_mask=0x6002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 568.230008] syz-executor1 cpuset=syz1 mems_allowed=0 [ 568.245931] CPU: 0 PID: 10066 Comm: syz-executor1 Not tainted 4.20.0-rc6+ #151 [ 568.253311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 568.262708] Call Trace: [ 568.265341] dump_stack+0x244/0x39d [ 568.268959] ? dump_stack_print_info.cold.1+0x20/0x20 [ 568.274161] dump_header+0x27b/0xf72 [ 568.277898] ? mark_held_locks+0x130/0x130 [ 568.282120] ? pagefault_out_of_memory+0x197/0x197 [ 568.287049] ? __lock_acquire+0x62f/0x4c20 [ 568.291275] ? zap_class+0x640/0x640 [ 568.294974] ? print_usage_bug+0xc0/0xc0 [ 568.299030] ? print_usage_bug+0xc0/0xc0 [ 568.303111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 568.308637] ? find_held_lock+0x36/0x1c0 [ 568.312685] ? mark_held_locks+0xc7/0x130 [ 568.316837] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 568.321925] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 568.327011] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 568.331592] ? trace_hardirqs_on+0xbd/0x310 [ 568.335933] ? kasan_check_read+0x11/0x20 [ 568.340166] ? ___ratelimit+0x3b4/0x672 [ 568.344130] ? trace_hardirqs_off_caller+0x310/0x310 [ 568.349343] ? trace_hardirqs_on+0x310/0x310 [ 568.353739] ? lock_downgrade+0x900/0x900 [ 568.357877] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 568.362970] ? ___ratelimit+0x3b9/0x672 [ 568.366950] ? idr_get_free+0xf70/0xf70 [ 568.370909] ? kasan_check_read+0x11/0x20 [ 568.375039] ? do_raw_spin_unlock+0xa7/0x330 [ 568.379476] oom_kill_process.cold.27+0x10/0x903 [ 568.384217] ? zap_class+0x640/0x640 [ 568.387928] ? _raw_spin_unlock+0x2c/0x50 [ 568.392060] ? oom_badness+0xe6/0xaa0 [ 568.395848] ? oom_evaluate_task+0x540/0x540 [ 568.400241] ? find_held_lock+0x36/0x1c0 [ 568.404290] ? out_of_memory+0x974/0x1430 [ 568.408427] ? lock_downgrade+0x900/0x900 [ 568.412626] ? check_preemption_disabled+0x48/0x280 [ 568.417770] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 568.422694] ? kasan_check_read+0x11/0x20 [ 568.426828] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 568.432090] ? rcu_softirq_qs+0x20/0x20 [ 568.436051] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 568.441052] ? oom_evaluate_task+0x302/0x540 [ 568.445451] out_of_memory+0xa84/0x1430 [ 568.449416] ? oom_killer_disable+0x3a0/0x3a0 [ 568.453897] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 568.458837] ? __ww_mutex_check_waiters+0x160/0x160 [ 568.463847] __alloc_pages_slowpath+0x232c/0x2de0 [ 568.468696] ? warn_alloc+0x120/0x120 [ 568.472486] ? mark_held_locks+0x130/0x130 [ 568.476710] ? warn_alloc+0x120/0x120 [ 568.480499] ? find_held_lock+0x36/0x1c0 [ 568.484559] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 568.490133] ? should_fail+0x22d/0xd01 [ 568.494014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 568.499102] ? zap_class+0x640/0x640 [ 568.502805] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 568.507722] ? kasan_check_read+0x11/0x20 [ 568.511857] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 568.517477] ? should_fail+0x22d/0xd01 [ 568.521364] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 568.526455] ? zap_class+0x640/0x640 [ 568.530156] ? zap_class+0x640/0x640 [ 568.533865] ? __lock_is_held+0xb5/0x140 [ 568.537919] ? check_preemption_disabled+0x48/0x280 [ 568.542944] ? lock_release+0xa00/0xa00 [ 568.546965] ? perf_trace_sched_process_exec+0x860/0x860 [ 568.552406] ? __lock_is_held+0xb5/0x140 [ 568.556465] ? __might_sleep+0x95/0x190 [ 568.560426] __alloc_pages_nodemask+0xad8/0xea0 [ 568.565080] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 568.570083] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 568.575081] ? zap_class+0x640/0x640 [ 568.578839] ? __insert_vmap_area+0x550/0x550 [ 568.583338] ? __lock_is_held+0xb5/0x140 [ 568.587391] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 568.592915] alloc_pages_current+0x173/0x350 [ 568.597311] __vmalloc_node_range+0x498/0x750 [ 568.601865] ? newary+0x244/0xb40 [ 568.605315] __vmalloc_node_flags_caller+0x75/0x90 [ 568.610231] ? newary+0x244/0xb40 [ 568.613691] kvmalloc_node+0xd7/0xf0 [ 568.617390] newary+0x244/0xb40 [ 568.620655] ? semctl_stat+0x5f0/0x5f0 [ 568.624534] ? lock_acquire+0x1ed/0x520 [ 568.628496] ? ipcget+0x125/0x11b0 [ 568.632030] ? lock_release+0xa00/0xa00 [ 568.635989] ? perf_trace_sched_process_exec+0x860/0x860 [ 568.641421] ? ipcget+0x85d/0x11b0 [ 568.644954] ? down_write+0x8a/0x130 [ 568.648651] ? ipcget+0x125/0x11b0 [ 568.652194] ? down_read+0x120/0x120 [ 568.655898] ipcget+0x15d/0x11b0 [ 568.659262] ? find_held_lock+0x36/0x1c0 [ 568.663317] ? ipc_obtain_object_check+0xc0/0xc0 [ 568.668058] ? lock_release+0xa00/0xa00 [ 568.672018] ? perf_trace_sched_process_exec+0x860/0x860 [ 568.677486] ? posix_ktime_get_ts+0x15/0x20 [ 568.681812] ? trace_hardirqs_off_caller+0x310/0x310 [ 568.686916] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 568.691843] ? kasan_check_read+0x11/0x20 [ 568.695984] ? kasan_check_read+0x11/0x20 [ 568.700118] ? _copy_to_user+0xc8/0x110 [ 568.704081] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 568.709639] ? put_timespec64+0x10f/0x1b0 [ 568.713866] ? nsecs_to_jiffies+0x30/0x30 [ 568.718000] ksys_semget+0x1c0/0x280 [ 568.721697] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 568.726263] ? sem_exit_ns+0x40/0x40 [ 568.729985] ? trace_hardirqs_off_caller+0x310/0x310 [ 568.735095] __x64_sys_semget+0x73/0xb0 [ 568.739071] do_syscall_64+0x1b9/0x820 [ 568.742945] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 568.748298] ? syscall_return_slowpath+0x5e0/0x5e0 [ 568.753214] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 568.758044] ? trace_hardirqs_on_caller+0x310/0x310 [ 568.763045] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 568.768063] ? prepare_exit_to_usermode+0x291/0x3b0 [ 568.773069] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 568.777916] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 568.783102] RIP: 0033:0x457679 [ 568.786283] 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 [ 568.805169] RSP: 002b:00007fff621d9c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000040 [ 568.812860] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457679 [ 568.820215] RDX: 000000000000003f RSI: 0000000000004000 RDI: 0000000000000000 [ 568.827486] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 568.834747] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000029f0914 [ 568.842003] R13: 00000000004c3e0b R14: 00000000004d6bf8 R15: 00000000ffffffff [ 568.857705] Mem-Info: [ 568.860293] active_anon:6359 inactive_anon:192 isolated_anon:0 [ 568.860293] active_file:141 inactive_file:229 isolated_file:0 [ 568.860293] unevictable:0 dirty:9 writeback:0 unstable:0 [ 568.860293] slab_reclaimable:14792 slab_unreclaimable:1498946 [ 568.860293] mapped:232 shmem:245 pagetables:470 bounce:0 [ 568.860293] free:24752 free_pcp:89 free_cma:0 [ 568.935428] Node 0 active_anon:25436kB inactive_anon:768kB active_file:768kB inactive_file:1320kB unevictable:0kB isolated(anon):0kB isolated(file):104kB mapped:1728kB dirty:36kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 568.963507] 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 [ 569.002226] lowmem_reserve[]: 0 2818 6321 6321 [ 569.009550] Node 0 DMA32 free:43908kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 569.048547] lowmem_reserve[]: 0 0 3503 3503 [ 569.053074] Node 0 Normal free:39384kB min:37364kB low:46704kB high:56044kB active_anon:25444kB inactive_anon:768kB active_file:796kB inactive_file:724kB unevictable:0kB writepending:4kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:1884kB bounce:0kB free_pcp:384kB local_pcp:0kB free_cma:0kB [ 569.082099] lowmem_reserve[]: 0 0 0 0 [ 569.092147] 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 [ 569.106045] Node 0 DMA32: 7*4kB (UME) 3*8kB (ME) 5*16kB (ME) 12*32kB (UME) 6*64kB (UME) 2*128kB (M) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 43908kB [ 569.123303] Node 0 Normal: 414*4kB (UMEH) 605*8kB (UMEH) 401*16kB (UMEH) 143*32kB (UME) 104*64kB (UME) 52*128kB (UME) 23*256kB (UM) 5*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 39248kB [ 569.139854] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 569.148844] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 569.164392] 693 total pagecache pages [ 569.168901] 0 pages in swap cache [ 569.172545] Swap cache stats: add 0, delete 0, find 0/0 [ 569.178033] Free swap = 0kB [ 569.181161] Total swap = 0kB [ 569.184327] 1965979 pages RAM [ 569.187549] 0 pages HighMem/MovableOnly 2018/12/11 18:35:24 executed programs: 1431 [ 569.191954] 342853 pages reserved [ 569.195537] 0 pages cma reserved [ 569.199100] Unreclaimable slab info: [ 569.203469] Name Used Total [ 569.209190] pid_2 81KB 156KB [ 569.221936] TIPC 10KB 14KB [ 569.228163] SCTPv6 14KB 18KB [ 569.233681] DCCPv6 17KB 21KB [ 569.239170] DCCP 16KB 20KB [ 569.244711] bridge_fdb_cache 11KB 15KB [ 569.250195] fib6_nodes 77KB 84KB [ 569.256598] ip6_dst_cache 77KB 266KB [ 569.262116] RAWv6 68KB 71KB [ 569.267611] UDPv6 3KB 3KB [ 569.273134] TCPv6 23KB 29KB [ 569.278628] nf_conntrack 0KB 3KB [ 569.285489] sd_ext_cdb 0KB 3KB [ 569.291870] scsi_sense_cache 1056KB 1060KB [ 569.297360] virtio_scsi_cmd 16KB 16KB [ 569.302935] sgpool-128 8KB 8KB [ 569.315080] sgpool-64 4KB 6KB [ 569.320604] sgpool-32 2KB 7KB [ 569.326137] sgpool-16 1KB 3KB [ 569.331624] sgpool-8 0KB 3KB [ 569.337214] mqueue_inode_cache 10KB 14KB [ 569.345297] bio_post_read_ctx 14KB 15KB [ 569.360820] bio-2 14KB 15KB [ 569.372173] jfs_mp 7KB 7KB [ 569.377697] nfs_commit_data 3KB 7KB [ 569.384138] nfs_write_data 32KB 32KB [ 569.389655] ext4_system_zone 0KB 3KB [ 569.395180] bio-1 1KB 3KB [ 569.400675] pid_namespace 2KB 7KB [ 569.406208] rpc_buffers 17KB 19KB [ 569.411703] rpc_tasks 2KB 3KB [ 569.417224] UNIX 21KB 68KB [ 569.422747] tcp_bind_bucket 1KB 4KB [ 569.428239] ip_fib_trie 11KB 15KB [ 569.433783] ip_fib_alias 52KB 55KB [ 569.439264] ip_dst_cache 1KB 8KB [ 569.444768] RAW 40KB 50KB [ 569.450260] UDP 16KB 32KB [ 569.455824] TCP 5KB 5KB [ 569.461315] hugetlbfs_inode_cache 2KB 7KB [ 569.467173] fscache_cookie_jar 1KB 7KB [ 569.472814] eventpoll_pwq 42KB 43KB [ 569.478315] eventpoll_epi 81KB 82KB [ 569.483830] inotify_inode_mark 74KB 78KB [ 569.489403] request_queue 164KB 164KB [ 569.501895] blkdev_ioc 19KB 19KB [ 569.507366] bio-0 1766KB 1766KB [ 569.532130] biovec-max 1963KB 1963KB [ 569.537522] biovec-64 1267KB 1267KB [ 569.544953] biovec-16 450KB 450KB [ 569.550807] bio_integrity_payload 1KB 3KB [ 569.557107] khugepaged_mm_slot 0KB 3KB [ 569.564493] dmaengine-unmap-256 2KB 6KB [ 569.577732] dmaengine-unmap-128 1KB 3KB [ 569.583442] dmaengine-unmap-16 0KB 4KB [ 569.589025] dmaengine-unmap-2 0KB 3KB [ 569.594539] skbuff_fclone_cache 3KB 30KB [ 569.600385] skbuff_head_cache 600KB 1788KB [ 569.605894] configfs_dir_cache 0KB 4KB [ 569.611468] file_lock_cache 3KB 15KB [ 569.618069] file_lock_ctx 0KB 3KB [ 569.623640] fsnotify_mark_connector 47KB 51KB [ 569.629640] net_namespace 51KB 51KB [ 569.635156] shmem_inode_cache 5809KB 5815KB [ 569.640760] task_delay_info 153KB 460KB [ 569.647271] proc_dir_entry 578KB 581KB [ 569.653010] pde_opener 0KB 3KB [ 569.658867] seq_file 329KB 448KB [ 569.665311] sigqueue 62KB 189KB [ 569.671750] kernfs_node_cache 11463KB 11469KB [ 569.677901] mnt_cache 80KB 96KB [ 569.684218] filp 4539KB 6607KB [ 569.690507] names_cache 123560KB 123560KB [ 569.711557] iint_cache 87KB 87KB [ 569.717546] hashtab_node 118KB 119KB [ 569.736522] ebitmap_node 1451KB 1555KB [ 569.743680] avtab_node 1012KB 1013KB [ 569.750089] avc_node 43KB 47KB [ 569.756238] selinux_file_security 334KB 561KB [ 569.765118] selinux_inode_security 3684KB 3684KB [ 569.781172] key_jar 3KB 7KB [ 569.788424] uts_namespace 2KB 7KB [ 569.795510] nsproxy 1KB 3KB [ 569.802170] vm_area_struct 7816KB 12510KB [ 569.807636] mm_struct 1254KB 3152KB [ 569.818011] fs_cache 159KB 452KB [ 569.824328] files_cache 438KB 1128KB [ 569.830582] signal_cache 878KB 2091KB [ 569.836807] sighand_cache 522KB 534KB [ 569.843055] task_struct 3359KB 3415KB [ 569.849158] cred_jar 746KB 2216KB [ 569.856285] anon_vma_chain 4919KB 6244KB [ 569.861663] anon_vma 243KB 373KB [ 569.867075] pid 79KB 292KB [ 569.872542] Acpi-Operand 106KB 162KB [ 569.877916] Acpi-Namespace 19KB 23KB [ 569.883322] numa_policy 0KB 3KB [ 569.883374] debug_objects_cache 1020KB 1021KB [ 569.883382] trace_event_file 260KB 262KB [ 569.883390] ftrace_event_field 376KB 381KB [ 569.883397] pool_workqueue 87KB 88KB [ 569.883414] task_group 5KB 7KB [ 569.883422] page->ptl 1345KB 2846KB [ 569.883448] kmalloc-4M 5574656KB 5574656KB [ 569.883455] kmalloc-2M 2050KB 2050KB [ 569.883465] kmalloc-512k 2056KB 2056KB [ 569.906113] kmalloc-256k 1290KB 1290KB [ 569.947732] kmalloc-128k 650KB 650KB [ 569.966604] kmalloc-64k 330KB 330KB [ 569.986301] kmalloc-32k 1221KB 1320KB [ 570.001557] kmalloc-16k 396KB 445KB [ 570.007313] kmalloc-8k 1798KB 1798KB [ 570.022454] kmalloc-4k 17051KB 17089KB [ 570.041265] kmalloc-2k 6377KB 7477KB [ 570.052483] kmalloc-1k 4498KB 4701KB [ 570.070004] kmalloc-512 3356KB 5430KB [ 570.076119] kmalloc-256 2883KB 3240KB [ 570.082287] kmalloc-128 978KB 996KB [ 570.095564] kmalloc-96 2119KB 2532KB [ 570.104900] kmalloc-64 3594KB 3808KB [ 570.111196] kmalloc-32 2945KB 3035KB [ 570.117626] kmalloc-192 655KB 972KB [ 570.123270] kmem_cache 221KB 225KB [ 570.128797] Out of memory: Kill process 10066 (syz-executor1) score 999 or sacrifice child [ 570.138815] Killed process 10066 (syz-executor1) total-vm:37440kB, anon-rss:88kB, file-rss:0kB, shmem-rss:0kB [ 570.152149] oom_reaper: reaped process 10066 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 570.167673] blkid invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=-1000 [ 570.180799] blkid cpuset=/ mems_allowed=0 [ 570.196837] CPU: 0 PID: 10065 Comm: blkid Not tainted 4.20.0-rc6+ #151 [ 570.203521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 570.212874] Call Trace: [ 570.215472] dump_stack+0x244/0x39d [ 570.219117] ? dump_stack_print_info.cold.1+0x20/0x20 [ 570.224314] dump_header+0x27b/0xf72 [ 570.228023] ? mark_held_locks+0x130/0x130 [ 570.232246] ? pagefault_out_of_memory+0x197/0x197 [ 570.237166] ? __lock_acquire+0x62f/0x4c20 [ 570.241466] ? percpu_ref_get_many+0x240/0x240 [ 570.246073] ? zap_class+0x640/0x640 [ 570.249781] ? print_usage_bug+0xc0/0xc0 [ 570.253834] ? print_usage_bug+0xc0/0xc0 [ 570.257912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 570.263441] ? find_held_lock+0x36/0x1c0 [ 570.267497] ? mark_held_locks+0xc7/0x130 [ 570.271632] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 570.276743] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 570.281847] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 570.286425] ? trace_hardirqs_on+0xbd/0x310 [ 570.290739] ? kasan_check_read+0x11/0x20 [ 570.294890] ? ___ratelimit+0x3b4/0x672 [ 570.298876] ? trace_hardirqs_off_caller+0x310/0x310 [ 570.303970] ? trace_hardirqs_on+0x310/0x310 [ 570.308380] ? lock_downgrade+0x900/0x900 [ 570.312517] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 570.317608] ? ___ratelimit+0x3b9/0x672 [ 570.321585] ? idr_get_free+0xf70/0xf70 [ 570.325551] ? kasan_check_read+0x11/0x20 [ 570.329686] ? do_raw_spin_unlock+0xa7/0x330 [ 570.334094] oom_kill_process.cold.27+0x10/0x903 [ 570.338835] ? zap_class+0x640/0x640 [ 570.342549] ? _raw_spin_unlock+0x2c/0x50 [ 570.346684] ? oom_badness+0xe6/0xaa0 [ 570.350487] ? oom_evaluate_task+0x540/0x540 [ 570.354886] ? find_held_lock+0x36/0x1c0 [ 570.358939] ? out_of_memory+0x974/0x1430 [ 570.363075] ? lock_downgrade+0x900/0x900 [ 570.367211] ? check_preemption_disabled+0x48/0x280 [ 570.372214] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 570.377132] ? kasan_check_read+0x11/0x20 [ 570.381268] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 570.386545] ? rcu_softirq_qs+0x20/0x20 [ 570.390506] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 570.395510] ? oom_evaluate_task+0x302/0x540 [ 570.399911] out_of_memory+0xa84/0x1430 [ 570.403876] ? oom_killer_disable+0x3a0/0x3a0 [ 570.408384] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 570.413312] ? __ww_mutex_check_waiters+0x160/0x160 [ 570.418334] __alloc_pages_slowpath+0x232c/0x2de0 [ 570.423195] ? warn_alloc+0x120/0x120 [ 570.426993] ? lock_page_memcg+0x350/0x350 [ 570.431230] ? warn_alloc+0x120/0x120 [ 570.435020] ? print_usage_bug+0xc0/0xc0 [ 570.439068] ? print_usage_bug+0xc0/0xc0 [ 570.443118] ? print_usage_bug+0xc0/0xc0 [ 570.447179] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 570.452718] ? should_fail+0x22d/0xd01 [ 570.456592] ? mem_cgroup_commit_charge+0x2c1/0xa50 [ 570.461600] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 570.466696] ? zap_class+0x640/0x640 [ 570.470422] ? find_held_lock+0x36/0x1c0 [ 570.474483] ? lock_downgrade+0x900/0x900 [ 570.478619] ? lock_release+0xa00/0xa00 [ 570.482593] ? perf_trace_sched_process_exec+0x860/0x860 [ 570.488045] ? check_preemption_disabled+0x48/0x280 [ 570.493058] ? __might_sleep+0x95/0x190 [ 570.497027] __alloc_pages_nodemask+0xad8/0xea0 [ 570.501683] ? zap_class+0x640/0x640 [ 570.505387] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 570.510395] ? find_held_lock+0x36/0x1c0 [ 570.514448] ? cache_grow_begin+0x65/0x8c0 [ 570.518669] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 570.523239] ? trace_hardirqs_on+0xbd/0x310 [ 570.527553] ? fallback_alloc+0x204/0x2e0 [ 570.531690] ? trace_hardirqs_off_caller+0x310/0x310 [ 570.536892] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 570.542441] cache_grow_begin+0xa5/0x8c0 [ 570.546489] ? do_raw_spin_unlock+0xa7/0x330 [ 570.550902] fallback_alloc+0x204/0x2e0 [ 570.554882] ____cache_alloc_node+0x1c7/0x1e0 [ 570.559372] kmem_cache_alloc+0x1f8/0x730 [ 570.563587] getname_flags+0xd0/0x590 [ 570.567385] getname+0x19/0x20 [ 570.570586] do_sys_open+0x383/0x700 [ 570.574295] ? filp_open+0x80/0x80 [ 570.577841] ? trace_hardirqs_off_caller+0x310/0x310 [ 570.582942] __x64_sys_open+0x7e/0xc0 [ 570.586747] do_syscall_64+0x1b9/0x820 [ 570.590632] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 570.595982] ? syscall_return_slowpath+0x5e0/0x5e0 [ 570.600895] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 570.605726] ? trace_hardirqs_on_caller+0x310/0x310 [ 570.610819] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 570.615824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 570.621354] ? prepare_exit_to_usermode+0x291/0x3b0 [ 570.626381] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 570.631216] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 570.636396] RIP: 0033:0x7f58a7cd7120 [ 570.640106] Code: Bad RIP value. [ 570.643457] RSP: 002b:00007ffccc9a8348 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 570.651148] RAX: ffffffffffffffda RBX: 00007ffccc9a9390 RCX: 00007f58a7cd7120 [ 570.658438] RDX: 00007ffccc9a8362 RSI: 0000000000000000 RDI: 00007ffccc9a8350 [ 570.665691] RBP: 0000000000000702 R08: 0000000000000000 R09: 0000000000000001 [ 570.672952] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffccc9aa408 [ 570.680204] R13: 0000000000000000 R14: 00007f58a81b8820 R15: 00007f58a7fae2a2 [ 570.719074] Mem-Info: [ 570.721617] active_anon:6363 inactive_anon:192 isolated_anon:0 [ 570.721617] active_file:194 inactive_file:277 isolated_file:32 [ 570.721617] unevictable:0 dirty:10 writeback:0 unstable:0 [ 570.721617] slab_reclaimable:14760 slab_unreclaimable:1498860 [ 570.721617] mapped:324 shmem:245 pagetables:469 bounce:0 [ 570.721617] free:24590 free_pcp:178 free_cma:0 [ 570.756815] Node 0 active_anon:25452kB inactive_anon:768kB active_file:1104kB inactive_file:1620kB unevictable:0kB isolated(anon):0kB isolated(file):256kB mapped:2296kB dirty:40kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 570.786518] 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 [ 570.812960] lowmem_reserve[]: 0 2818 6321 6321 [ 570.817573] Node 0 DMA32 free:43908kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 570.851738] syz-executor3 (10068) used greatest stack depth: 3352 bytes left [ 570.868721] lowmem_reserve[]: 0 0 3503 3503 [ 570.894046] Node 0 Normal free:37952kB min:37364kB low:46704kB high:56044kB active_anon:25452kB inactive_anon:768kB active_file:488kB inactive_file:752kB unevictable:0kB writepending:20kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:1876kB bounce:0kB free_pcp:724kB local_pcp:564kB free_cma:0kB [ 570.938414] lowmem_reserve[]: 0 0 0 0 [ 570.942356] 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 [ 570.956225] Node 0 DMA32: 6*4kB (UME) 4*8kB (UME) 5*16kB (ME) 12*32kB (UME) 6*64kB (UME) 2*128kB (M) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 43912kB [ 570.972572] Node 0 Normal: 584*4kB (UMEH) 538*8kB (UMEH) 399*16kB (UMEH) 145*32kB (UME) 101*64kB (UME) 54*128kB (UME) 23*256kB (UM) 4*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 38976kB [ 570.989029] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 570.998834] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 571.027129] 326 total pagecache pages [ 571.030982] 0 pages in swap cache [ 571.036785] Swap cache stats: add 0, delete 0, find 0/0 [ 571.045485] Free swap = 0kB [ 571.050067] Total swap = 0kB [ 571.091842] 1965979 pages RAM [ 571.095096] 0 pages HighMem/MovableOnly [ 571.099082] 342853 pages reserved [ 571.103743] 0 pages cma reserved [ 571.107686] Unreclaimable slab info: [ 571.111715] Name Used Total [ 571.117616] pid_2 81KB 156KB [ 571.124046] TIPC 10KB 14KB [ 571.129446] SCTPv6 14KB 18KB [ 571.134892] DCCPv6 17KB 21KB [ 571.140267] DCCP 16KB 20KB [ 571.145767] bridge_fdb_cache 11KB 15KB [ 571.151157] fib6_nodes 77KB 84KB [ 571.156579] ip6_dst_cache 77KB 266KB [ 571.162020] RAWv6 68KB 71KB [ 571.167484] UDPv6 3KB 3KB [ 571.173000] TCPv6 23KB 29KB [ 571.178383] nf_conntrack 0KB 3KB [ 571.183870] sd_ext_cdb 0KB 3KB [ 571.189247] scsi_sense_cache 1056KB 1060KB [ 571.198469] virtio_scsi_cmd 16KB 16KB [ 571.207054] sgpool-128 8KB 8KB [ 571.212491] sgpool-64 4KB 6KB [ 571.218488] sgpool-32 2KB 7KB [ 571.231731] sgpool-16 1KB 3KB [ 571.237275] sgpool-8 0KB 3KB [ 571.249132] mqueue_inode_cache 10KB 14KB [ 571.268398] bio_post_read_ctx 14KB 15KB [ 571.273883] bio-2 14KB 15KB [ 571.279258] jfs_mp 7KB 7KB [ 571.290712] nfs_commit_data 3KB 7KB [ 571.304345] nfs_write_data 32KB 32KB [ 571.312248] ext4_system_zone 0KB 3KB [ 571.317848] bio-1 1KB 3KB [ 571.325943] pid_namespace 2KB 7KB [ 571.331445] rpc_buffers 17KB 19KB [ 571.336925] rpc_tasks 2KB 3KB [ 571.342372] UNIX 18KB 54KB [ 571.347743] tcp_bind_bucket 1KB 4KB [ 571.353130] ip_fib_trie 11KB 15KB [ 571.359619] ip_fib_alias 52KB 55KB [ 571.365001] ip_dst_cache 1KB 8KB [ 571.370360] RAW 40KB 50KB [ 571.376658] UDP 16KB 32KB [ 571.382160] TCP 5KB 5KB [ 571.387621] hugetlbfs_inode_cache 2KB 7KB [ 571.393464] fscache_cookie_jar 1KB 7KB [ 571.399013] eventpoll_pwq 42KB 43KB [ 571.404614] eventpoll_epi 80KB 82KB [ 571.410176] inotify_inode_mark 73KB 78KB [ 571.415821] request_queue 164KB 164KB [ 571.421457] blkdev_ioc 23KB 23KB [ 571.427117] bio-0 2058KB 2058KB [ 571.432712] biovec-max 2037KB 2037KB [ 571.438174] biovec-64 1315KB 1315KB [ 571.446370] biovec-16 517KB 517KB [ 571.455233] bio_integrity_payload 1KB 3KB [ 571.461061] khugepaged_mm_slot 0KB 3KB [ 571.471198] dmaengine-unmap-256 2KB 6KB [ 571.477949] dmaengine-unmap-128 1KB 3KB [ 571.483810] dmaengine-unmap-16 0KB 4KB [ 571.490198] dmaengine-unmap-2 0KB 3KB [ 571.501769] skbuff_fclone_cache 3KB 18KB [ 571.507676] skbuff_head_cache 600KB 1788KB [ 571.514023] configfs_dir_cache 0KB 4KB [ 571.519628] file_lock_cache 1KB 7KB [ 571.527783] file_lock_ctx 0KB 3KB [ 571.533787] fsnotify_mark_connector 47KB 51KB [ 571.539768] net_namespace 51KB 51KB [ 571.545345] shmem_inode_cache 5777KB 5815KB [ 571.550797] task_delay_info 132KB 453KB [ 571.556356] proc_dir_entry 578KB 581KB [ 571.561894] pde_opener 0KB 3KB [ 571.568237] seq_file 313KB 448KB [ 571.582046] sigqueue 49KB 189KB [ 571.588331] kernfs_node_cache 11463KB 11469KB [ 571.594641] mnt_cache 80KB 96KB [ 571.600957] filp 4505KB 6607KB [ 571.612072] names_cache 122332KB 122332KB [ 571.617623] iint_cache 84KB 87KB [ 571.623939] hashtab_node 118KB 119KB [ 571.630287] ebitmap_node 1440KB 1555KB [ 571.637845] avtab_node 1012KB 1013KB [ 571.651996] avc_node 43KB 47KB [ 571.657644] selinux_file_security 330KB 561KB [ 571.664249] selinux_inode_security 3684KB 3684KB [ 571.670991] key_jar 3KB 7KB [ 571.677356] uts_namespace 2KB 7KB [ 571.682951] nsproxy 1KB 3KB [ 571.688404] vm_area_struct 7753KB 12475KB [ 571.695568] mm_struct 1213KB 3113KB [ 571.701101] fs_cache 129KB 444KB [ 571.706580] files_cache 387KB 1065KB [ 571.714142] signal_cache 842KB 2026KB [ 571.719741] sighand_cache 511KB 527KB [ 571.725182] task_struct 3347KB 3390KB [ 571.730559] cred_jar 720KB 2208KB [ 571.736047] anon_vma_chain 4877KB 6240KB [ 571.741489] anon_vma 216KB 373KB [ 571.746927] pid 77KB 288KB [ 571.756530] Acpi-Operand 106KB 162KB [ 571.761960] Acpi-Namespace 19KB 23KB [ 571.767350] numa_policy 0KB 3KB [ 571.775296] debug_objects_cache 1019KB 1021KB [ 571.780892] trace_event_file 260KB 262KB [ 571.786534] ftrace_event_field 376KB 381KB [ 571.792045] pool_workqueue 87KB 88KB [ 571.797417] task_group 5KB 7KB [ 571.802886] page->ptl 1337KB 2846KB [ 571.808303] kmalloc-4M 5574656KB 5574656KB [ 571.820486] kmalloc-2M 2050KB 2050KB [ 571.829981] kmalloc-512k 2056KB 2056KB [ 571.851574] kmalloc-256k 1290KB 1290KB [ 571.857106] kmalloc-128k 650KB 650KB [ 571.862631] kmalloc-64k 330KB 330KB [ 571.868017] kmalloc-32k 1221KB 1254KB [ 571.873534] kmalloc-16k 396KB 412KB [ 571.878908] kmalloc-8k 1798KB 1798KB [ 571.884331] kmalloc-4k 16872KB 16910KB [ 571.889708] kmalloc-2k 6353KB 7439KB [ 571.898329] kmalloc-1k 4498KB 4701KB [ 571.904695] kmalloc-512 3356KB 5430KB [ 571.910076] kmalloc-256 2883KB 3240KB [ 571.915491] kmalloc-128 955KB 996KB [ 571.920867] kmalloc-96 2134KB 2532KB [ 571.932386] kmalloc-64 3587KB 3804KB [ 571.937772] kmalloc-32 2939KB 3035KB [ 571.943258] kmalloc-192 655KB 972KB [ 571.948640] kmem_cache 221KB 225KB [ 571.954290] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 571.964390] Killed process 6158 (syz-executor1) total-vm:37444kB, anon-rss:68kB, file-rss:4kB, shmem-rss:0kB [ 571.975441] oom_reaper: reaped process 6158 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 572.022760] syz-executor3 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 572.034759] syz-executor3 cpuset=syz3 mems_allowed=0 [ 572.039924] CPU: 0 PID: 6159 Comm: syz-executor3 Not tainted 4.20.0-rc6+ #151 [ 572.047318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 572.056665] Call Trace: [ 572.059272] dump_stack+0x244/0x39d [ 572.062990] ? dump_stack_print_info.cold.1+0x20/0x20 [ 572.068187] dump_header+0x27b/0xf72 [ 572.071910] ? mark_held_locks+0x130/0x130 [ 572.076270] ? pagefault_out_of_memory+0x197/0x197 [ 572.081195] ? mark_held_locks+0x130/0x130 [ 572.085497] ? __lock_acquire+0x62f/0x4c20 [ 572.089757] ? print_usage_bug+0xc0/0xc0 [ 572.093827] ? zap_class+0x640/0x640 [ 572.097537] ? print_usage_bug+0xc0/0xc0 [ 572.101591] ? print_usage_bug+0xc0/0xc0 [ 572.105683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 572.111244] ? find_held_lock+0x36/0x1c0 [ 572.115326] ? mark_held_locks+0xc7/0x130 [ 572.119495] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 572.124613] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 572.129733] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 572.134388] ? trace_hardirqs_on+0xbd/0x310 [ 572.138727] ? kasan_check_read+0x11/0x20 [ 572.142889] ? ___ratelimit+0x3b4/0x672 [ 572.147007] ? trace_hardirqs_off_caller+0x310/0x310 [ 572.152121] ? trace_hardirqs_on+0x310/0x310 [ 572.156543] ? lock_downgrade+0x900/0x900 [ 572.160712] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 572.165834] ? ___ratelimit+0x3b9/0x672 [ 572.169852] ? idr_get_free+0xf70/0xf70 [ 572.173843] ? kasan_check_read+0x11/0x20 [ 572.178005] ? do_raw_spin_unlock+0xa7/0x330 [ 572.182436] oom_kill_process.cold.27+0x10/0x903 [ 572.187253] ? zap_class+0x640/0x640 [ 572.190964] ? _raw_spin_unlock+0x2c/0x50 [ 572.195119] ? oom_badness+0xe6/0xaa0 [ 572.198993] ? oom_evaluate_task+0x540/0x540 [ 572.203420] ? find_held_lock+0x36/0x1c0 [ 572.207510] ? out_of_memory+0x974/0x1430 [ 572.211674] ? lock_downgrade+0x900/0x900 [ 572.215829] ? check_preemption_disabled+0x48/0x280 [ 572.220843] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 572.225778] ? kasan_check_read+0x11/0x20 [ 572.229937] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 572.235243] ? rcu_softirq_qs+0x20/0x20 [ 572.239260] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 572.244302] ? oom_evaluate_task+0x302/0x540 [ 572.248720] out_of_memory+0xa84/0x1430 [ 572.252712] ? oom_killer_disable+0x3a0/0x3a0 [ 572.257744] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 572.262691] ? __ww_mutex_check_waiters+0x160/0x160 [ 572.267734] __alloc_pages_slowpath+0x232c/0x2de0 [ 572.272618] ? warn_alloc+0x120/0x120 [ 572.276433] ? warn_alloc+0x120/0x120 [ 572.280240] ? print_usage_bug+0xc0/0xc0 [ 572.284305] ? __lock_is_held+0xb5/0x140 [ 572.288481] ? print_usage_bug+0xc0/0xc0 [ 572.292561] ? print_usage_bug+0xc0/0xc0 [ 572.296634] ? print_usage_bug+0xc0/0xc0 [ 572.300770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 572.306317] ? should_fail+0x22d/0xd01 [ 572.310253] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 572.315364] ? zap_class+0x640/0x640 [ 572.319112] ? find_held_lock+0x36/0x1c0 [ 572.323231] ? lock_release+0xa00/0xa00 [ 572.327239] ? perf_trace_sched_process_exec+0x860/0x860 [ 572.332706] ? check_preemption_disabled+0x48/0x280 [ 572.337763] ? __might_sleep+0x95/0x190 [ 572.341769] __alloc_pages_nodemask+0xad8/0xea0 [ 572.346458] ? zap_class+0x640/0x640 [ 572.350200] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 572.355280] ? find_held_lock+0x36/0x1c0 [ 572.359363] ? cache_grow_begin+0x65/0x8c0 [ 572.363653] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 572.368249] ? trace_hardirqs_on+0xbd/0x310 [ 572.372576] ? fallback_alloc+0x204/0x2e0 [ 572.376741] ? trace_hardirqs_off_caller+0x310/0x310 [ 572.381863] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 572.387423] cache_grow_begin+0xa5/0x8c0 [ 572.391496] ? do_raw_spin_unlock+0xa7/0x330 [ 572.395902] fallback_alloc+0x204/0x2e0 [ 572.399876] ____cache_alloc_node+0x1c7/0x1e0 [ 572.404380] kmem_cache_alloc+0x1f8/0x730 [ 572.408548] ? shrink_dcache_sb+0x350/0x350 [ 572.412997] getname_flags+0xd0/0x590 [ 572.416823] getname+0x19/0x20 [ 572.420031] do_sys_open+0x383/0x700 [ 572.423753] ? filp_open+0x80/0x80 [ 572.427357] ? __ia32_sys_mknod+0xb0/0xb0 [ 572.431508] ? trace_hardirqs_off_caller+0x310/0x310 [ 572.436629] __x64_sys_open+0x7e/0xc0 [ 572.440501] do_syscall_64+0x1b9/0x820 [ 572.444426] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 572.449816] ? syscall_return_slowpath+0x5e0/0x5e0 [ 572.454754] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 572.459593] ? trace_hardirqs_on_caller+0x310/0x310 [ 572.464647] ? prepare_exit_to_usermode+0x291/0x3b0 [ 572.469686] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 572.474557] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 572.479932] RIP: 0033:0x411290 [ 572.483180] Code: Bad RIP value. [ 572.486557] RSP: 002b:00007fff9b9d35a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 572.495242] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000411290 [ 572.502613] RDX: 00007fff9b9d361a RSI: 0000000000000002 RDI: 00007fff9b9d3610 [ 572.510066] RBP: 00000000000001eb R08: 0000000000000000 R09: 000000000000000a [ 572.517342] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000005 [ 572.524615] R13: 000000000008b0b8 R14: 00000000000000ee R15: 0000000000000003 [ 572.539589] Mem-Info: [ 572.542226] active_anon:6352 inactive_anon:191 isolated_anon:0 [ 572.542226] active_file:28 inactive_file:59 isolated_file:0 [ 572.542226] unevictable:0 dirty:0 writeback:0 unstable:0 [ 572.542226] slab_reclaimable:14756 slab_unreclaimable:1498282 [ 572.542226] mapped:5 shmem:245 pagetables:454 bounce:0 [ 572.542226] free:24657 free_pcp:0 free_cma:0 [ 572.577967] Node 0 active_anon:25408kB inactive_anon:764kB active_file:200kB inactive_file:200kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:120kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 572.630073] 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 [ 572.696757] lowmem_reserve[]: 0 2818 6321 6321 [ 572.701398] Node 0 DMA32 free:43912kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 572.728761] lowmem_reserve[]: 0 0 3503 3503 [ 572.733326] Node 0 Normal free:86292kB min:37364kB low:46704kB high:56044kB active_anon:25408kB inactive_anon:764kB active_file:124kB inactive_file:156kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:1816kB bounce:0kB free_pcp:1212kB local_pcp:612kB free_cma:0kB [ 572.768545] lowmem_reserve[]: 0 0 0 0 [ 572.773869] 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 [ 572.819325] Node 0 DMA32: 6*4kB (UME) 4*8kB (UME) 5*16kB (ME) 12*32kB (UME) 6*64kB (UME) 2*128kB (M) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 43912kB [ 572.902945] Node 0 Normal: 3*4kB (UH) 98*8kB (UMH) 384*16kB (MH) 125*32kB (UM) 96*64kB (ME) 51*128kB (UME) 24*256kB (UM) 3*512kB (M) 1*1024kB (U) 1*2048kB (U) 50*4096kB (U) = 239164kB [ 572.949909] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 572.971138] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 573.013789] 2312 total pagecache pages [ 573.017741] 0 pages in swap cache [ 573.047071] Swap cache stats: add 0, delete 0, find 0/0 [ 573.061699] Free swap = 0kB [ 573.090726] Total swap = 0kB [ 573.107938] 1965979 pages RAM [ 573.111116] 0 pages HighMem/MovableOnly [ 573.145673] 342853 pages reserved [ 573.149181] 0 pages cma reserved [ 573.179246] Unreclaimable slab info: [ 573.201830] Name Used Total [ 573.207444] pid_2 81KB 156KB [ 573.232437] TIPC 10KB 14KB [ 573.237857] SCTPv6 14KB 18KB [ 573.261023] DCCPv6 17KB 21KB [ 573.266588] DCCP 16KB 20KB [ 573.272327] bridge_fdb_cache 11KB 15KB [ 573.277716] fib6_nodes 77KB 84KB [ 573.284482] ip6_dst_cache 86KB 266KB [ 573.289869] RAWv6 68KB 71KB [ 573.295651] UDPv6 3KB 3KB [ 573.301034] TCPv6 23KB 29KB [ 573.307741] nf_conntrack 0KB 3KB [ 573.313467] sd_ext_cdb 0KB 3KB [ 573.318982] scsi_sense_cache 1056KB 1060KB [ 573.324697] virtio_scsi_cmd 16KB 16KB [ 573.330084] sgpool-128 8KB 8KB [ 573.335981] sgpool-64 4KB 6KB [ 573.341451] sgpool-32 2KB 7KB [ 573.347330] sgpool-16 1KB 3KB [ 573.353066] sgpool-8 0KB 3KB [ 573.358495] mqueue_inode_cache 10KB 14KB [ 573.364338] bio_post_read_ctx 14KB 15KB [ 573.369786] bio-2 14KB 15KB [ 573.375528] jfs_mp 7KB 7KB [ 573.380924] nfs_commit_data 3KB 7KB [ 573.386680] nfs_write_data 32KB 32KB [ 573.393937] ext4_system_zone 0KB 3KB [ 573.399341] bio-1 1KB 3KB [ 573.404807] pid_namespace 2KB 7KB [ 573.410182] rpc_buffers 17KB 19KB [ 573.416243] rpc_tasks 2KB 3KB [ 573.421606] UNIX 18KB 54KB [ 573.427051] tcp_bind_bucket 1KB 4KB [ 573.434047] ip_fib_trie 11KB 15KB [ 573.439435] ip_fib_alias 52KB 55KB [ 573.444929] ip_dst_cache 1KB 8KB [ 573.450576] RAW 40KB 50KB [ 573.456054] UDP 16KB 32KB 2018/12/11 18:35:29 result: failed=false hanged=false err=executor 1: failed to write control pipe: write |1: broken pipe net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 573.461435] TCP 5KB 5KB [ 573.461471] hugetlbfs_inode_cache 2KB 7KB [ 573.461484] fscache_cookie_jar 1KB 7KB [ 573.473031] eventpoll_pwq 43KB 43KB [ 573.473042] eventpoll_epi 82KB 82KB [ 573.473051] inotify_inode_mark 76KB 78KB [ 573.473063] request_queue 164KB 164KB [ 573.473073] blkdev_ioc 23KB 23KB [ 573.473083] bio-0 2261KB 2261KB [ 573.473093] biovec-max 2062KB 2062KB [ 573.473105] biovec-64 1401KB 1401KB [ 573.473132] biovec-16 551KB 551KB [ 573.473143] bio_integrity_payload 1KB 3KB [ 573.489435] khugepaged_mm_slot 0KB 3KB [ 573.489453] dmaengine-unmap-256 2KB 6KB [ 573.489463] dmaengine-unmap-128 1KB 3KB [ 573.489472] dmaengine-unmap-16 0KB 4KB [ 573.489483] dmaengine-unmap-2 0KB 3KB [ 573.489495] skbuff_fclone_cache 3KB 18KB [ 573.489504] skbuff_head_cache 600KB 1788KB [ 573.489514] configfs_dir_cache 0KB 4KB [ 573.489524] file_lock_cache 1KB 7KB [ 573.489534] file_lock_ctx 0KB 3KB [ 573.489544] fsnotify_mark_connector 46KB 51KB [ 573.489554] net_namespace 51KB 51KB [ 573.489567] shmem_inode_cache 5775KB 5815KB [ 573.500428] task_delay_info 131KB 453KB [ 573.500441] proc_dir_entry 578KB 581KB [ 573.500451] pde_opener 0KB 3KB [ 573.500460] seq_file 313KB 448KB [ 573.500470] sigqueue 46KB 189KB [ 573.500480] kernfs_node_cache 11463KB 11469KB [ 573.500490] mnt_cache 80KB 96KB [ 573.500500] filp 4481KB 6603KB [ 573.500512] names_cache 122319KB 122319KB [ 573.512904] iint_cache 84KB 87KB [ 573.523752] hashtab_node 118KB 119KB [ 573.536098] ebitmap_node 1440KB 1555KB [ 573.551856] avtab_node 1012KB 1013KB [ 573.561120] avc_node 43KB 47KB [ 573.574473] IPVS: ftp: loaded support on port[0] = 21 [ 573.591835] selinux_file_security 330KB 561KB [ 573.599786] selinux_inode_security 3692KB 3692KB [ 573.610720] key_jar 3KB 7KB [ 573.621566] uts_namespace 7KB 7KB [ 573.632491] nsproxy 3KB 3KB [ 573.632502] vm_area_struct 7732KB 12475KB [ 573.632511] mm_struct 1210KB 3100KB [ 573.632522] fs_cache 123KB 444KB [ 573.643274] files_cache 385KB 1061KB [ 573.643283] signal_cache 842KB 2026KB [ 573.643291] sighand_cache 499KB 527KB [ 573.643302] task_struct 3347KB 3390KB [ 573.654054] cred_jar 719KB 2208KB [ 573.654063] anon_vma_chain 4864KB 6240KB [ 573.654075] anon_vma 229KB 373KB [ 573.664845] pid 77KB 288KB [ 573.664857] Acpi-Operand 106KB 162KB [ 573.676414] Acpi-Namespace 19KB 23KB [ 573.686227] numa_policy 0KB 3KB [ 573.697749] debug_objects_cache 1036KB 1036KB [ 573.708555] trace_event_file 260KB 262KB [ 573.719322] ftrace_event_field 376KB 381KB [ 573.730083] pool_workqueue 92KB 92KB [ 573.740866] task_group 5KB 7KB [ 573.751720] page->ptl 1326KB 2846KB [ 573.762561] kmalloc-4M 4694016KB 4706304KB [ 573.773341] kmalloc-2M 2050KB 2050KB [ 573.773353] kmalloc-512k 2056KB 2056KB [ 573.773361] kmalloc-256k 1290KB 1290KB [ 573.773368] kmalloc-128k 650KB 650KB [ 573.773376] kmalloc-64k 330KB 330KB [ 573.773388] kmalloc-32k 1254KB 1254KB [ 573.784171] kmalloc-16k 412KB 412KB [ 573.795113] kmalloc-8k 1839KB 1839KB [ 573.795123] kmalloc-4k 16957KB 16957KB [ 573.795136] kmalloc-2k 6430KB 7439KB [ 573.806772] kmalloc-1k 4539KB 4701KB [ 573.816784] kmalloc-512 3356KB 5430KB [ 573.827521] kmalloc-256 2916KB 3240KB [ 573.838261] kmalloc-128 955KB 996KB [ 573.849037] kmalloc-96 2171KB 2532KB [ 573.859884] kmalloc-64 3587KB 3804KB [ 573.870646] kmalloc-32 2939KB 3035KB [ 573.881437] kmalloc-192 674KB 972KB [ 573.924858] kmem_cache 221KB 225KB [ 573.932787] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 573.940932] Killed process 10092 (syz-executor1) total-vm:37444kB, anon-rss:64kB, file-rss:788kB, shmem-rss:0kB [ 574.612829] device bridge_slave_1 left promiscuous mode [ 574.618660] bridge0: port 2(bridge_slave_1) entered disabled state [ 574.675307] device bridge_slave_0 left promiscuous mode [ 574.680922] bridge0: port 1(bridge_slave_0) entered disabled state [ 574.751181] team0 (unregistering): Port device team_slave_1 removed [ 574.762653] team0 (unregistering): Port device team_slave_0 removed [ 574.774905] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 574.817459] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 574.871170] bond0 (unregistering): Released all slaves 2018/12/11 18:35:32 result: failed=false hanged=false err=executor 1: EOF 2018/12/11 18:35:32 executed programs: 1462 [ 576.480907] IPVS: ftp: loaded support on port[0] = 21 [ 577.016573] bridge0: port 1(bridge_slave_0) entered blocking state [ 577.023407] bridge0: port 1(bridge_slave_0) entered disabled state [ 577.030276] device bridge_slave_0 entered promiscuous mode [ 577.049109] bridge0: port 2(bridge_slave_1) entered blocking state [ 577.056533] bridge0: port 2(bridge_slave_1) entered disabled state [ 577.063744] device bridge_slave_1 entered promiscuous mode [ 577.081630] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 577.100786] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 577.152306] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 577.174321] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 577.250534] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 577.258091] team0: Port device team_slave_0 added [ 577.276013] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 577.283671] team0: Port device team_slave_1 added [ 577.300460] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 577.319590] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 577.338919] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 577.359158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 577.509722] bridge0: port 2(bridge_slave_1) entered blocking state [ 577.516304] bridge0: port 2(bridge_slave_1) entered forwarding state [ 577.522981] bridge0: port 1(bridge_slave_0) entered blocking state [ 577.529329] bridge0: port 1(bridge_slave_0) entered forwarding state [ 578.057942] 8021q: adding VLAN 0 to HW filter on device bond0 [ 578.111649] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 578.165945] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 578.172924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 578.179881] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 578.232982] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/11 18:35:37 executed programs: 1668 [ 582.075411] kthreadd invoked oom-killer: gfp_mask=0x7080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=0 [ 582.090133] kthreadd cpuset=/ mems_allowed=0 [ 582.133315] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.20.0-rc6+ #151 [ 582.139935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 582.149291] Call Trace: [ 582.151891] dump_stack+0x244/0x39d [ 582.155533] ? dump_stack_print_info.cold.1+0x20/0x20 [ 582.160741] dump_header+0x27b/0xf72 [ 582.164512] ? mark_held_locks+0x130/0x130 [ 582.169047] ? pagefault_out_of_memory+0x197/0x197 [ 582.173976] ? __lock_acquire+0x62f/0x4c20 [ 582.178229] ? zap_class+0x640/0x640 [ 582.181930] ? percpu_ref_get_many+0x240/0x240 [ 582.186499] ? print_usage_bug+0xc0/0xc0 [ 582.190647] ? print_usage_bug+0xc0/0xc0 [ 582.194696] ? zap_class+0x640/0x640 [ 582.198401] ? print_usage_bug+0xc0/0xc0 [ 582.202450] ? print_usage_bug+0xc0/0xc0 [ 582.206501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 582.212042] ? find_held_lock+0x36/0x1c0 [ 582.216095] ? mark_held_locks+0xc7/0x130 [ 582.220244] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 582.225353] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 582.230444] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 582.235011] ? trace_hardirqs_on+0xbd/0x310 [ 582.239317] ? kasan_check_read+0x11/0x20 [ 582.243450] ? ___ratelimit+0x3b4/0x672 [ 582.247427] ? trace_hardirqs_off_caller+0x310/0x310 [ 582.252565] ? trace_hardirqs_on+0x310/0x310 [ 582.257001] ? lock_downgrade+0x900/0x900 [ 582.261233] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 582.266349] ? ___ratelimit+0x3b9/0x672 [ 582.270318] ? idr_get_free+0xf70/0xf70 [ 582.274281] ? kasan_check_read+0x11/0x20 [ 582.278428] ? do_raw_spin_unlock+0xa7/0x330 [ 582.282840] oom_kill_process.cold.27+0x10/0x903 [ 582.287582] ? zap_class+0x640/0x640 [ 582.291282] ? _raw_spin_unlock+0x2c/0x50 [ 582.295432] ? oom_badness+0xe6/0xaa0 [ 582.299232] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 582.304159] ? kasan_check_read+0x11/0x20 [ 582.308295] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 582.313564] ? oom_evaluate_task+0x540/0x540 [ 582.317960] ? find_held_lock+0x36/0x1c0 [ 582.322011] ? out_of_memory+0x974/0x1430 [ 582.326142] ? lock_downgrade+0x900/0x900 [ 582.330278] ? check_preemption_disabled+0x48/0x280 [ 582.335293] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 582.340232] ? kasan_check_read+0x11/0x20 [ 582.344395] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 582.349681] ? rcu_softirq_qs+0x20/0x20 [ 582.353676] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 582.359220] ? oom_evaluate_task+0x302/0x540 [ 582.363647] out_of_memory+0xa84/0x1430 [ 582.367618] ? oom_killer_disable+0x3a0/0x3a0 [ 582.372109] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 582.377028] ? __ww_mutex_check_waiters+0x160/0x160 [ 582.382044] __alloc_pages_slowpath+0x232c/0x2de0 [ 582.386897] ? warn_alloc+0x120/0x120 [ 582.390702] ? ret_from_fork+0x3a/0x50 [ 582.394609] ? __lock_acquire+0x62f/0x4c20 [ 582.398840] ? lock_downgrade+0x900/0x900 [ 582.402980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 582.408504] ? should_fail+0x22d/0xd01 [ 582.412387] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 582.417478] ? zap_class+0x640/0x640 [ 582.421188] ? find_held_lock+0x36/0x1c0 [ 582.425246] ? lock_release+0xa00/0xa00 [ 582.429208] ? perf_trace_sched_process_exec+0x860/0x860 [ 582.434644] ? ret_from_fork+0x3a/0x50 [ 582.438519] ? __might_sleep+0x95/0x190 [ 582.442481] __alloc_pages_nodemask+0xad8/0xea0 [ 582.447142] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 582.452160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 582.457700] ? check_preemption_disabled+0x48/0x280 [ 582.462764] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 582.468289] ? rcu_pm_notify+0xc0/0xc0 [ 582.472193] ? copy_process+0x2026/0x87a0 [ 582.476351] ? rcu_read_lock_sched_held+0x14f/0x180 [ 582.481360] ? kmem_cache_alloc_node+0x349/0x730 [ 582.486145] ? uprobe_copy_process+0x3ac/0x660 [ 582.490718] copy_process+0xa09/0x87a0 [ 582.494593] ? print_usage_bug+0xc0/0xc0 [ 582.498652] ? zap_class+0x640/0x640 [ 582.502361] ? __lock_acquire+0x62f/0x4c20 [ 582.506591] ? zap_class+0x640/0x640 [ 582.510316] ? kthread_stop+0x900/0x900 [ 582.514278] ? __cleanup_sighand+0x70/0x70 [ 582.518497] ? __update_load_avg_blocked_se+0x690/0x690 [ 582.523855] ? __update_load_avg_se+0xae0/0xae0 [ 582.528518] ? __lock_is_held+0xb5/0x140 [ 582.532603] ? update_load_avg+0x387/0x2470 [ 582.536915] ? attach_entity_load_avg+0x860/0x860 [ 582.541748] ? update_load_avg+0x387/0x2470 [ 582.546056] ? zap_class+0x640/0x640 [ 582.549756] ? attach_entity_load_avg+0x860/0x860 [ 582.554585] ? cpuacct_charge+0x265/0x440 [ 582.558719] ? zap_class+0x640/0x640 [ 582.562422] ? find_held_lock+0x36/0x1c0 [ 582.566471] ? zap_class+0x640/0x640 [ 582.570168] ? zap_class+0x640/0x640 [ 582.573868] ? zap_class+0x640/0x640 [ 582.577570] ? find_held_lock+0x36/0x1c0 [ 582.581619] ? cpuacct_charge+0x265/0x440 [ 582.585756] ? find_held_lock+0x36/0x1c0 [ 582.589808] ? print_usage_bug+0xc0/0xc0 [ 582.593854] ? lock_downgrade+0x900/0x900 [ 582.597991] ? check_preemption_disabled+0x48/0x280 [ 582.603039] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 582.607956] ? kasan_check_read+0x11/0x20 [ 582.612089] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 582.617369] ? zap_class+0x640/0x640 [ 582.621085] ? __lock_acquire+0x62f/0x4c20 [ 582.625307] ? __lock_is_held+0xb5/0x140 [ 582.629364] ? mark_held_locks+0x130/0x130 [ 582.633584] ? set_next_entity+0x493/0xc70 [ 582.637805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 582.643330] ? update_load_avg+0x2470/0x2470 [ 582.647741] ? pick_next_task_fair+0xa05/0x1b30 [ 582.652396] ? rcu_note_context_switch+0x12ad/0x2150 [ 582.657492] ? zap_class+0x640/0x640 [ 582.661192] ? run_rebalance_domains+0x500/0x500 [ 582.665934] ? zap_class+0x640/0x640 [ 582.669636] ? find_held_lock+0x36/0x1c0 [ 582.673700] ? print_usage_bug+0xc0/0xc0 [ 582.677746] ? find_held_lock+0x36/0x1c0 [ 582.681811] ? finish_task_switch+0x1f4/0x910 [ 582.686296] ? _raw_spin_unlock_irq+0x27/0x80 [ 582.690774] ? _raw_spin_unlock_irq+0x27/0x80 [ 582.695259] ? __lock_acquire+0x62f/0x4c20 [ 582.699491] ? finish_task_switch+0x1f4/0x910 [ 582.703985] ? trace_hardirqs_off_caller+0x310/0x310 [ 582.709142] ? compat_start_thread+0x80/0x80 [ 582.713560] ? mark_held_locks+0x130/0x130 [ 582.717781] ? finish_task_switch+0x2f4/0x910 [ 582.722264] ? __switch_to_asm+0x40/0x70 [ 582.726317] ? preempt_notifier_register+0x200/0x200 [ 582.731417] ? __switch_to_asm+0x34/0x70 [ 582.735481] ? __switch_to_asm+0x34/0x70 [ 582.739530] ? __switch_to_asm+0x40/0x70 [ 582.743577] ? __switch_to_asm+0x34/0x70 [ 582.747621] ? __switch_to_asm+0x40/0x70 [ 582.751669] ? __switch_to_asm+0x34/0x70 [ 582.755728] ? __switch_to_asm+0x40/0x70 [ 582.759774] ? __switch_to_asm+0x34/0x70 [ 582.763826] ? __switch_to_asm+0x34/0x70 [ 582.767879] ? __switch_to_asm+0x40/0x70 [ 582.771923] ? __switch_to_asm+0x34/0x70 [ 582.775974] ? __switch_to_asm+0x40/0x70 [ 582.780032] ? __switch_to_asm+0x34/0x70 [ 582.784075] ? __switch_to_asm+0x40/0x70 [ 582.788151] ? __schedule+0x8d7/0x21d0 [ 582.792036] ? pid_task+0x200/0x200 [ 582.795654] _do_fork+0x1cb/0x11d0 [ 582.799181] ? zap_class+0x640/0x640 [ 582.802885] ? kthread_stop+0x900/0x900 [ 582.806878] ? fork_idle+0x1d0/0x1d0 [ 582.810579] ? print_usage_bug+0xc0/0xc0 [ 582.814627] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 582.819716] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 582.824286] ? trace_hardirqs_on+0xbd/0x310 [ 582.828598] ? find_held_lock+0x36/0x1c0 [ 582.832653] ? kthreadd+0x605/0x910 [ 582.836268] ? lock_downgrade+0x900/0x900 [ 582.840405] ? kasan_check_read+0x11/0x20 [ 582.844537] ? do_raw_spin_unlock+0xa7/0x330 [ 582.848931] ? do_raw_spin_trylock+0x270/0x270 [ 582.853499] ? trace_hardirqs_off_caller+0x310/0x310 [ 582.858592] ? kthread_stop+0x900/0x900 [ 582.862559] kernel_thread+0x34/0x40 [ 582.866265] kthreadd+0x672/0x910 [ 582.869710] ? kthread_create_on_cpu+0x1f0/0x1f0 [ 582.874458] ? _raw_spin_unlock_irq+0x27/0x80 [ 582.878942] ? _raw_spin_unlock_irq+0x27/0x80 [ 582.883437] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 582.888018] ? trace_hardirqs_on+0xbd/0x310 [ 582.892346] ? kasan_check_read+0x11/0x20 [ 582.896530] ? calculate_sigpending+0x87/0xa0 [ 582.901011] ? trace_hardirqs_off_caller+0x310/0x310 [ 582.906105] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 582.912759] ? __switch_to_asm+0x40/0x70 [ 582.916814] ? __switch_to_asm+0x34/0x70 [ 582.920894] ? _raw_spin_unlock_irq+0x60/0x80 [ 582.925381] ? kthread_create_on_cpu+0x1f0/0x1f0 [ 582.930140] ret_from_fork+0x3a/0x50 [ 582.936864] Mem-Info: [ 582.940315] active_anon:6491 inactive_anon:188 isolated_anon:0 [ 582.940315] active_file:322 inactive_file:309 isolated_file:17 [ 582.940315] unevictable:0 dirty:5 writeback:0 unstable:0 [ 582.940315] slab_reclaimable:14759 slab_unreclaimable:1492599 [ 582.940315] mapped:349 shmem:245 pagetables:511 bounce:0 [ 582.940315] free:24543 free_pcp:235 free_cma:0 [ 582.982367] Node 0 active_anon:26016kB inactive_anon:752kB active_file:1252kB inactive_file:1168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1204kB dirty:72kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 583.015168] 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 [ 583.049843] lowmem_reserve[]: 0 2818 6321 6321 [ 583.054662] Node 0 DMA32 free:43848kB min:30052kB low:37564kB high:45076kB active_anon:52kB inactive_anon:0kB active_file:0kB inactive_file:16kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:64kB pagetables:24kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 583.194877] lowmem_reserve[]: 0 0 3503 3503 [ 583.202165] Node 0 Normal free:39344kB min:37364kB low:46704kB high:56044kB active_anon:25964kB inactive_anon:752kB active_file:720kB inactive_file:180kB unevictable:0kB writepending:72kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:2036kB bounce:0kB free_pcp:184kB local_pcp:4kB free_cma:0kB [ 583.238409] lowmem_reserve[]: 0 0 0 0 [ 583.244705] 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 [ 583.273789] Node 0 DMA32: 8*4kB (UME) 7*8kB (UM) 12*16kB (UME) 6*32kB (UME) 8*64kB (UE) 3*128kB (UM) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 44120kB [ 583.292211] Node 0 Normal: 435*4kB (UMEH) 570*8kB (MEH) 388*16kB (UMEH) 154*32kB (MEH) 85*64kB (UMEH) 51*128kB (UME) 24*256kB (UM) 3*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 37084kB [ 583.417209] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 583.426683] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 583.435344] 304 total pagecache pages [ 583.439129] 0 pages in swap cache [ 583.442601] Swap cache stats: add 0, delete 0, find 0/0 [ 583.447947] Free swap = 0kB [ 583.450943] Total swap = 0kB [ 583.454020] 1965979 pages RAM [ 583.457105] 0 pages HighMem/MovableOnly [ 583.461056] 342853 pages reserved [ 583.464524] 0 pages cma reserved [ 583.467887] Unreclaimable slab info: [ 583.471580] Name Used Total [ 583.477166] pid_2 87KB 156KB [ 583.482565] TIPC 12KB 14KB [ 583.487916] SCTPv6 18KB 18KB [ 583.493293] DCCPv6 17KB 21KB [ 583.498656] DCCP 16KB 20KB [ 583.511112] bridge_fdb_cache 14KB 15KB [ 583.516602] fib6_nodes 91KB 92KB [ 583.576413] ip6_dst_cache 141KB 266KB [ 583.594975] RAWv6 87KB 91KB [ 583.600370] UDPv6 3KB 3KB [ 583.609255] TCPv6 23KB 23KB [ 583.615539] nf_conntrack 0KB 3KB [ 583.621009] sd_ext_cdb 0KB 3KB [ 583.626472] scsi_sense_cache 1056KB 1060KB [ 583.631967] virtio_scsi_cmd 16KB 16KB [ 583.637405] sgpool-128 8KB 8KB [ 583.642894] sgpool-64 4KB 6KB [ 583.648443] sgpool-32 2KB 7KB [ 583.653982] sgpool-16 1KB 3KB [ 583.659662] sgpool-8 0KB 3KB [ 583.665172] mqueue_inode_cache 12KB 14KB [ 583.670737] bio_post_read_ctx 14KB 15KB [ 583.676285] bio-2 14KB 15KB [ 583.681732] jfs_mp 7KB 7KB [ 583.687261] nfs_commit_data 3KB 7KB [ 583.698257] nfs_write_data 32KB 32KB [ 583.704737] ext4_system_zone 0KB 3KB [ 583.716397] bio-1 1KB 3KB [ 583.733224] pid_namespace 2KB 7KB [ 583.740014] rpc_buffers 17KB 19KB [ 583.749470] rpc_tasks 2KB 3KB [ 583.755833] UNIX 27KB 39KB [ 583.761215] tcp_bind_bucket 1KB 4KB [ 583.767762] ip_fib_trie 13KB 15KB [ 583.779414] ip_fib_alias 60KB 63KB [ 583.788533] ip_dst_cache 1KB 8KB [ 583.794375] RAW 51KB 57KB [ 583.800676] UDP 19KB 32KB [ 583.806230] TCP 5KB 5KB [ 583.818733] hugetlbfs_inode_cache 2KB 7KB [ 583.828835] fscache_cookie_jar 1KB 7KB [ 583.883805] eventpoll_pwq 43KB 43KB [ 583.889297] eventpoll_epi 82KB 82KB [ 583.910948] inotify_inode_mark 75KB 78KB [ 583.916541] request_queue 164KB 164KB [ 583.925131] blkdev_ioc 27KB 27KB [ 583.930511] bio-0 2733KB 2733KB [ 583.936074] biovec-max 2392KB 2392KB [ 583.941446] biovec-64 1669KB 1669KB [ 583.946957] biovec-16 622KB 622KB [ 583.952469] bio_integrity_payload 1KB 3KB [ 583.958184] khugepaged_mm_slot 0KB 3KB [ 583.963720] dmaengine-unmap-256 2KB 6KB [ 583.969265] dmaengine-unmap-128 1KB 3KB [ 583.976730] dmaengine-unmap-16 0KB 4KB [ 583.983309] dmaengine-unmap-2 0KB 3KB [ 583.988679] skbuff_fclone_cache 5KB 18KB [ 583.994347] skbuff_head_cache 1258KB 1788KB [ 583.999713] configfs_dir_cache 0KB 4KB [ 584.008362] file_lock_cache 0KB 7KB [ 584.018831] file_lock_ctx 0KB 3KB [ 584.053439] fsnotify_mark_connector 46KB 51KB [ 584.078903] net_namespace 69KB 69KB [ 584.111571] shmem_inode_cache 5543KB 5715KB [ 584.123703] task_delay_info 160KB 453KB [ 584.129170] proc_dir_entry 673KB 675KB [ 584.137405] pde_opener 0KB 3KB [ 584.143104] seq_file 278KB 409KB [ 584.148549] sigqueue 66KB 189KB [ 584.154361] kernfs_node_cache 11464KB 11466KB [ 584.159800] mnt_cache 105KB 108KB [ 584.165261] filp 4278KB 6573KB [ 584.170711] names_cache 102565KB 102565KB [ 584.176899] iint_cache 87KB 87KB [ 584.184533] hashtab_node 118KB 119KB [ 584.190758] ebitmap_node 1322KB 1555KB [ 584.196978] avtab_node 1012KB 1013KB [ 584.206053] avc_node 43KB 47KB [ 584.212310] selinux_file_security 296KB 561KB [ 584.218968] selinux_inode_security 3594KB 3692KB [ 584.228216] key_jar 3KB 7KB [ 584.233768] uts_namespace 4KB 7KB [ 584.239236] nsproxy 2KB 3KB [ 584.277784] vm_area_struct 8533KB 12409KB [ 584.288776] mm_struct 1698KB 3100KB [ 584.295203] fs_cache 161KB 440KB [ 584.300744] files_cache 562KB 1061KB [ 584.306517] signal_cache 1049KB 2026KB [ 584.314357] sighand_cache 534KB 534KB [ 584.319871] task_struct 4430KB 4455KB [ 584.325315] cred_jar 899KB 2208KB [ 584.330666] anon_vma_chain 4536KB 6237KB [ 584.337128] anon_vma 229KB 373KB [ 584.342567] pid 77KB 288KB [ 584.347925] Acpi-Operand 106KB 162KB [ 584.353297] Acpi-Namespace 19KB 23KB [ 584.358645] numa_policy 0KB 3KB [ 584.364014] debug_objects_cache 1062KB 1063KB [ 584.369538] trace_event_file 260KB 262KB [ 584.374908] ftrace_event_field 376KB 381KB [ 584.380342] pool_workqueue 92KB 96KB [ 584.385736] task_group 5KB 7KB [ 584.391176] page->ptl 1476KB 2846KB [ 584.396676] kmalloc-4M 5554176KB 5554176KB [ 584.403397] kmalloc-2M 2050KB 2050KB [ 584.409706] kmalloc-512k 2056KB 2056KB [ 584.416280] kmalloc-256k 1290KB 1290KB [ 584.450255] kmalloc-128k 650KB 650KB [ 584.460397] kmalloc-64k 330KB 330KB [ 584.486407] kmalloc-32k 16467KB 16467KB [ 584.498834] kmalloc-16k 1666KB 1666KB [ 584.514920] kmalloc-8k 2021KB 2021KB [ 584.521028] kmalloc-4k 16366KB 16405KB [ 584.529301] kmalloc-2k 8262KB 8262KB [ 584.537972] kmalloc-1k 5103KB 5103KB [ 584.544269] kmalloc-512 4149KB 5430KB [ 584.549679] kmalloc-256 3212KB 3240KB [ 584.555100] kmalloc-128 989KB 996KB [ 584.560466] kmalloc-96 2580KB 2580KB [ 584.565873] kmalloc-64 3279KB 3804KB [ 584.571244] kmalloc-32 2857KB 3035KB [ 584.576641] kmalloc-192 743KB 972KB [ 584.582030] kmem_cache 221KB 225KB [ 584.587381] Out of memory: Kill process 10724 (syz-executor5) score 999 or sacrifice child [ 584.617444] kthreadd invoked oom-killer: gfp_mask=0x7080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=0 [ 584.629561] kthreadd cpuset=/ mems_allowed=0 [ 584.634040] CPU: 1 PID: 2 Comm: kthreadd Not tainted 4.20.0-rc6+ #151 [ 584.640618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 584.649975] Call Trace: [ 584.652578] dump_stack+0x244/0x39d [ 584.656222] ? dump_stack_print_info.cold.1+0x20/0x20 [ 584.661427] dump_header+0x27b/0xf72 [ 584.665162] ? mark_held_locks+0x130/0x130 [ 584.669444] ? pagefault_out_of_memory+0x197/0x197 [ 584.674389] ? mark_held_locks+0x130/0x130 [ 584.678636] ? __lock_acquire+0x62f/0x4c20 [ 584.682890] ? print_usage_bug+0xc0/0xc0 [ 584.686968] ? zap_class+0x640/0x640 [ 584.690690] ? print_usage_bug+0xc0/0xc0 [ 584.694757] ? print_usage_bug+0xc0/0xc0 [ 584.698833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 584.704381] ? find_held_lock+0x36/0x1c0 [ 584.708467] ? mark_held_locks+0xc7/0x130 [ 584.712628] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 584.717742] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 584.722858] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 584.727442] ? trace_hardirqs_on+0xbd/0x310 [ 584.731751] ? kasan_check_read+0x11/0x20 [ 584.735887] ? ___ratelimit+0x3b4/0x672 [ 584.739888] ? trace_hardirqs_off_caller+0x310/0x310 [ 584.744981] ? trace_hardirqs_on+0x310/0x310 [ 584.749378] ? lock_downgrade+0x900/0x900 [ 584.753520] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 584.758653] ? ___ratelimit+0x3b9/0x672 [ 584.762611] ? idr_get_free+0xf70/0xf70 [ 584.766571] ? kasan_check_read+0x11/0x20 [ 584.770703] ? do_raw_spin_unlock+0xa7/0x330 [ 584.775098] oom_kill_process.cold.27+0x10/0x903 [ 584.779837] ? zap_class+0x640/0x640 [ 584.783533] ? _raw_spin_unlock+0x2c/0x50 [ 584.787665] ? oom_badness+0xe6/0xaa0 [ 584.791459] ? oom_evaluate_task+0x540/0x540 [ 584.795857] ? find_held_lock+0x36/0x1c0 [ 584.799906] ? out_of_memory+0x974/0x1430 [ 584.804040] ? lock_downgrade+0x900/0x900 [ 584.808172] ? check_preemption_disabled+0x48/0x280 [ 584.813186] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 584.818100] ? kasan_check_read+0x11/0x20 [ 584.822231] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 584.827491] ? rcu_softirq_qs+0x20/0x20 [ 584.831453] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 584.836453] ? oom_evaluate_task+0x302/0x540 [ 584.840848] out_of_memory+0xa84/0x1430 [ 584.844809] ? oom_killer_disable+0x3a0/0x3a0 [ 584.849298] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 584.854213] ? __ww_mutex_check_waiters+0x160/0x160 [ 584.859220] __alloc_pages_slowpath+0x232c/0x2de0 [ 584.864058] ? warn_alloc+0x120/0x120 [ 584.867850] ? ret_from_fork+0x3a/0x50 [ 584.871824] ? __lock_acquire+0x62f/0x4c20 [ 584.876043] ? lock_downgrade+0x900/0x900 [ 584.880191] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 584.885715] ? should_fail+0x22d/0xd01 [ 584.889593] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 584.894680] ? zap_class+0x640/0x640 [ 584.898396] ? find_held_lock+0x36/0x1c0 [ 584.902456] ? lock_release+0xa00/0xa00 [ 584.906414] ? perf_trace_sched_process_exec+0x860/0x860 [ 584.911854] ? ret_from_fork+0x3a/0x50 [ 584.915736] ? __might_sleep+0x95/0x190 [ 584.919704] __alloc_pages_nodemask+0xad8/0xea0 [ 584.924360] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 584.929359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 584.934880] ? check_preemption_disabled+0x48/0x280 [ 584.939885] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 584.945409] ? rcu_pm_notify+0xc0/0xc0 [ 584.949286] ? copy_process+0x2026/0x87a0 [ 584.953417] ? rcu_read_lock_sched_held+0x14f/0x180 [ 584.958422] ? kmem_cache_alloc_node+0x349/0x730 [ 584.963161] ? uprobe_copy_process+0x3ac/0x660 [ 584.967738] copy_process+0xa09/0x87a0 [ 584.971613] ? print_usage_bug+0xc0/0xc0 [ 584.975677] ? zap_class+0x640/0x640 [ 584.979384] ? __lock_acquire+0x62f/0x4c20 [ 584.983605] ? zap_class+0x640/0x640 [ 584.987306] ? kthread_stop+0x900/0x900 [ 584.991278] ? __cleanup_sighand+0x70/0x70 [ 584.995498] ? __update_load_avg_blocked_se+0x690/0x690 [ 585.000858] ? __update_load_avg_se+0xae0/0xae0 [ 585.005512] ? __lock_is_held+0xb5/0x140 [ 585.009567] ? update_load_avg+0x387/0x2470 [ 585.013876] ? attach_entity_load_avg+0x860/0x860 [ 585.018717] ? update_load_avg+0x387/0x2470 [ 585.023023] ? zap_class+0x640/0x640 [ 585.026722] ? attach_entity_load_avg+0x860/0x860 [ 585.031554] ? cpuacct_charge+0x265/0x440 [ 585.035688] ? zap_class+0x640/0x640 [ 585.039388] ? find_held_lock+0x36/0x1c0 [ 585.043437] ? zap_class+0x640/0x640 [ 585.047384] ? zap_class+0x640/0x640 [ 585.051085] ? zap_class+0x640/0x640 [ 585.054785] ? find_held_lock+0x36/0x1c0 [ 585.058835] ? cpuacct_charge+0x265/0x440 [ 585.062973] ? find_held_lock+0x36/0x1c0 [ 585.067022] ? print_usage_bug+0xc0/0xc0 [ 585.071069] ? lock_downgrade+0x900/0x900 [ 585.075324] ? check_preemption_disabled+0x48/0x280 [ 585.080326] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 585.085263] ? kasan_check_read+0x11/0x20 [ 585.089400] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 585.094662] ? zap_class+0x640/0x640 [ 585.098389] ? __lock_acquire+0x62f/0x4c20 [ 585.102616] ? __lock_is_held+0xb5/0x140 [ 585.106680] ? mark_held_locks+0x130/0x130 [ 585.110900] ? set_next_entity+0x493/0xc70 [ 585.115143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 585.120672] ? update_load_avg+0x2470/0x2470 [ 585.125072] ? pick_next_task_fair+0xa05/0x1b30 [ 585.129728] ? rcu_note_context_switch+0x12ad/0x2150 [ 585.134836] ? zap_class+0x640/0x640 [ 585.138537] ? run_rebalance_domains+0x500/0x500 [ 585.143278] ? zap_class+0x640/0x640 [ 585.146976] ? find_held_lock+0x36/0x1c0 [ 585.151022] ? print_usage_bug+0xc0/0xc0 [ 585.155071] ? find_held_lock+0x36/0x1c0 [ 585.159122] ? finish_task_switch+0x1f4/0x910 [ 585.163622] ? _raw_spin_unlock_irq+0x27/0x80 [ 585.168103] ? _raw_spin_unlock_irq+0x27/0x80 [ 585.172584] ? __lock_acquire+0x62f/0x4c20 [ 585.176805] ? finish_task_switch+0x1f4/0x910 [ 585.181286] ? trace_hardirqs_off_caller+0x310/0x310 [ 585.186370] ? compat_start_thread+0x80/0x80 [ 585.190768] ? mark_held_locks+0x130/0x130 [ 585.194986] ? finish_task_switch+0x2f4/0x910 [ 585.199464] ? __switch_to_asm+0x40/0x70 [ 585.203511] ? preempt_notifier_register+0x200/0x200 [ 585.208598] ? __switch_to_asm+0x34/0x70 [ 585.212645] ? __switch_to_asm+0x34/0x70 [ 585.216689] ? __switch_to_asm+0x40/0x70 [ 585.221013] ? __switch_to_asm+0x34/0x70 [ 585.225076] ? __switch_to_asm+0x40/0x70 [ 585.229132] ? __switch_to_asm+0x34/0x70 [ 585.233183] ? __switch_to_asm+0x40/0x70 [ 585.237241] ? __switch_to_asm+0x34/0x70 [ 585.241288] ? __switch_to_asm+0x34/0x70 [ 585.245331] ? __switch_to_asm+0x40/0x70 [ 585.249371] ? __switch_to_asm+0x34/0x70 [ 585.253427] ? __switch_to_asm+0x40/0x70 [ 585.257472] ? __switch_to_asm+0x34/0x70 [ 585.261515] ? __switch_to_asm+0x40/0x70 [ 585.265570] ? __schedule+0x8d7/0x21d0 [ 585.269441] ? pid_task+0x200/0x200 [ 585.273062] _do_fork+0x1cb/0x11d0 [ 585.276603] ? zap_class+0x640/0x640 [ 585.280301] ? kthread_stop+0x900/0x900 [ 585.284260] ? fork_idle+0x1d0/0x1d0 [ 585.287955] ? print_usage_bug+0xc0/0xc0 [ 585.291999] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 585.297091] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 585.301666] ? trace_hardirqs_on+0xbd/0x310 [ 585.305976] ? find_held_lock+0x36/0x1c0 [ 585.310026] ? kthreadd+0x605/0x910 [ 585.313657] ? lock_downgrade+0x900/0x900 [ 585.317795] ? kasan_check_read+0x11/0x20 [ 585.321928] ? do_raw_spin_unlock+0xa7/0x330 [ 585.326320] ? do_raw_spin_trylock+0x270/0x270 [ 585.330913] ? trace_hardirqs_off_caller+0x310/0x310 [ 585.336003] ? kthread_stop+0x900/0x900 [ 585.339963] kernel_thread+0x34/0x40 [ 585.343666] kthreadd+0x672/0x910 [ 585.347110] ? kthread_create_on_cpu+0x1f0/0x1f0 [ 585.351857] ? _raw_spin_unlock_irq+0x27/0x80 [ 585.356337] ? _raw_spin_unlock_irq+0x27/0x80 [ 585.360817] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 585.365385] ? trace_hardirqs_on+0xbd/0x310 [ 585.369693] ? kasan_check_read+0x11/0x20 [ 585.373827] ? calculate_sigpending+0x87/0xa0 [ 585.378305] ? trace_hardirqs_off_caller+0x310/0x310 [ 585.383402] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 585.390066] ? __switch_to_asm+0x40/0x70 [ 585.394113] ? __switch_to_asm+0x34/0x70 [ 585.398167] ? _raw_spin_unlock_irq+0x60/0x80 [ 585.402647] ? kthread_create_on_cpu+0x1f0/0x1f0 [ 585.407385] ret_from_fork+0x3a/0x50 [ 585.413697] Mem-Info: [ 585.416157] active_anon:6486 inactive_anon:188 isolated_anon:0 [ 585.416157] active_file:37 inactive_file:42 isolated_file:8 [ 585.416157] unevictable:0 dirty:0 writeback:0 unstable:0 [ 585.416157] slab_reclaimable:14763 slab_unreclaimable:1492695 [ 585.416157] mapped:105 shmem:245 pagetables:503 bounce:0 [ 585.416157] free:24433 free_pcp:72 free_cma:0 [ 585.448923] Node 0 active_anon:25944kB inactive_anon:752kB active_file:64kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 585.475825] 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 [ 585.501979] lowmem_reserve[]: 0 2818 6321 6321 [ 585.506570] Node 0 DMA32 free:43868kB min:30052kB low:37564kB high:45076kB active_anon:52kB inactive_anon:0kB active_file:32kB inactive_file:16kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:64kB pagetables:24kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 585.537347] lowmem_reserve[]: 0 0 3503 3503 [ 585.543549] Node 0 Normal free:38688kB min:37364kB low:46704kB high:56044kB active_anon:25892kB inactive_anon:752kB active_file:68kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7008kB pagetables:1988kB bounce:0kB free_pcp:276kB local_pcp:256kB free_cma:0kB [ 585.572531] lowmem_reserve[]: 0 0 0 0 [ 585.576345] 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 [ 585.590741] Node 0 DMA32: 9*4kB (UME) 7*8kB (M) 10*16kB (ME) 4*32kB (ME) 8*64kB (UE) 3*128kB (UM) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 44028kB [ 585.607800] Node 0 Normal: 433*4kB (MEH) 580*8kB (UMEH) 390*16kB (UMEH) 153*32kB (UMEH) 83*64kB (MEH) 48*128kB (ME) 22*256kB (UM) 3*512kB (M) 1*1024kB (M) 0*2048kB 0*4096kB = 37156kB [ 585.624338] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 585.633221] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 585.641858] 367 total pagecache pages [ 585.645683] 0 pages in swap cache [ 585.649140] Swap cache stats: add 0, delete 0, find 0/0 [ 585.654536] Free swap = 0kB [ 585.657551] Total swap = 0kB [ 585.660575] 1965979 pages RAM [ 585.664524] 0 pages HighMem/MovableOnly [ 585.668503] 342853 pages reserved [ 585.689242] 0 pages cma reserved [ 585.692755] Unreclaimable slab info: [ 585.696473] Name Used Total [ 585.702066] pid_2 85KB 156KB [ 585.708267] TIPC 12KB 14KB [ 585.713686] SCTPv6 18KB 18KB [ 585.719060] DCCPv6 17KB 21KB [ 585.727568] DCCP 16KB 20KB [ 585.733968] bridge_fdb_cache 13KB 15KB [ 585.757186] fib6_nodes 91KB 92KB [ 585.765136] ip6_dst_cache 141KB 266KB [ 585.779746] RAWv6 87KB 91KB [ 585.789721] UDPv6 3KB 3KB [ 585.796450] TCPv6 23KB 23KB [ 585.805935] nf_conntrack 0KB 3KB [ 585.834455] sd_ext_cdb 0KB 3KB [ 585.846474] scsi_sense_cache 1056KB 1060KB [ 585.857830] virtio_scsi_cmd 16KB 16KB [ 585.868261] sgpool-128 8KB 8KB [ 585.874096] sgpool-64 4KB 6KB [ 585.883523] sgpool-32 2KB 7KB [ 585.889769] sgpool-16 1KB 3KB [ 585.896128] sgpool-8 0KB 3KB [ 585.901672] mqueue_inode_cache 12KB 14KB [ 585.909571] bio_post_read_ctx 14KB 15KB [ 585.915218] bio-2 14KB 15KB [ 585.920774] jfs_mp 7KB 7KB [ 585.931415] nfs_commit_data 3KB 7KB [ 585.962880] nfs_write_data 32KB 32KB [ 585.982209] ext4_system_zone 0KB 3KB [ 585.988354] bio-1 1KB 3KB [ 585.993746] pid_namespace 2KB 7KB [ 585.999104] rpc_buffers 17KB 19KB [ 586.004476] rpc_tasks 2KB 3KB [ 586.009821] UNIX 25KB 39KB [ 586.015204] tcp_bind_bucket 1KB 4KB [ 586.020554] ip_fib_trie 13KB 15KB [ 586.025921] ip_fib_alias 60KB 63KB [ 586.031269] ip_dst_cache 1KB 8KB [ 586.036651] RAW 51KB 57KB [ 586.042027] UDP 19KB 32KB [ 586.047377] TCP 5KB 5KB [ 586.052771] hugetlbfs_inode_cache 2KB 7KB [ 586.058475] fscache_cookie_jar 1KB 7KB [ 586.064296] eventpoll_pwq 41KB 43KB [ 586.069658] eventpoll_epi 72KB 82KB [ 586.075032] inotify_inode_mark 66KB 78KB [ 586.080464] request_queue 164KB 164KB [ 586.085912] blkdev_ioc 30KB 30KB [ 586.091270] bio-0 2921KB 2921KB [ 586.096640] biovec-max 2392KB 2392KB [ 586.102378] biovec-64 1685KB 1685KB [ 586.107855] biovec-16 663KB 663KB [ 586.113320] bio_integrity_payload 1KB 3KB [ 586.119227] khugepaged_mm_slot 0KB 3KB [ 586.124800] dmaengine-unmap-256 2KB 6KB [ 586.130507] dmaengine-unmap-128 1KB 3KB [ 586.136171] dmaengine-unmap-16 0KB 4KB [ 586.141710] dmaengine-unmap-2 0KB 3KB [ 586.147188] skbuff_fclone_cache 5KB 18KB [ 586.152861] skbuff_head_cache 1258KB 1788KB [ 586.158427] configfs_dir_cache 0KB 4KB [ 586.164122] file_lock_cache 0KB 3KB [ 586.169582] file_lock_ctx 0KB 3KB [ 586.175112] fsnotify_mark_connector 37KB 51KB [ 586.181074] net_namespace 69KB 69KB [ 586.186581] shmem_inode_cache 5531KB 5715KB [ 586.192072] task_delay_info 156KB 453KB [ 586.197522] proc_dir_entry 673KB 675KB [ 586.203352] pde_opener 0KB 3KB [ 586.208786] seq_file 275KB 409KB [ 586.214323] sigqueue 61KB 189KB [ 586.219854] kernfs_node_cache 11464KB 11466KB [ 586.226648] mnt_cache 105KB 108KB [ 586.232780] filp 4278KB 6573KB [ 586.239125] names_cache 102603KB 102603KB [ 586.244698] iint_cache 87KB 87KB [ 586.250267] hashtab_node 118KB 119KB [ 586.256304] ebitmap_node 1322KB 1555KB [ 586.262565] avtab_node 1012KB 1013KB [ 586.268686] avc_node 43KB 47KB [ 586.274183] selinux_file_security 296KB 561KB [ 586.280610] selinux_inode_security 3594KB 3692KB [ 586.287004] key_jar 3KB 7KB [ 586.296954] uts_namespace 3KB 7KB [ 586.302498] nsproxy 2KB 3KB [ 586.308151] vm_area_struct 8530KB 12409KB [ 586.313649] mm_struct 1690KB 3094KB [ 586.319018] fs_cache 155KB 440KB [ 586.324433] files_cache 552KB 1061KB [ 586.329914] signal_cache 1042KB 2019KB [ 586.335412] sighand_cache 531KB 534KB [ 586.340837] task_struct 4417KB 4455KB [ 586.346332] cred_jar 893KB 2208KB [ 586.351779] anon_vma_chain 4536KB 6237KB [ 586.357288] anon_vma 229KB 373KB [ 586.362779] pid 74KB 288KB [ 586.368219] Acpi-Operand 106KB 162KB [ 586.373677] Acpi-Namespace 19KB 23KB [ 586.379103] numa_policy 0KB 3KB [ 586.384613] debug_objects_cache 1062KB 1063KB [ 586.390212] trace_event_file 260KB 262KB [ 586.395666] ftrace_event_field 376KB 381KB [ 586.401192] pool_workqueue 92KB 96KB [ 586.406693] task_group 5KB 7KB [ 586.412183] page->ptl 1476KB 2846KB [ 586.417632] kmalloc-4M 5554176KB 5554176KB [ 586.423217] kmalloc-2M 2050KB 2050KB [ 586.428700] kmalloc-512k 2056KB 2056KB [ 586.434216] kmalloc-256k 1290KB 1290KB [ 586.439645] kmalloc-128k 650KB 650KB [ 586.445242] kmalloc-64k 330KB 330KB [ 586.450785] kmalloc-32k 16467KB 16467KB [ 586.456272] kmalloc-16k 1666KB 1666KB [ 586.461744] kmalloc-8k 2021KB 2021KB [ 586.467206] kmalloc-4k 16358KB 16396KB [ 586.473582] kmalloc-2k 8257KB 8262KB [ 586.479085] kmalloc-1k 5103KB 5103KB [ 586.484736] kmalloc-512 4149KB 5430KB [ 586.490414] kmalloc-256 3212KB 3240KB [ 586.496893] kmalloc-128 989KB 996KB [ 586.505051] kmalloc-96 2584KB 2584KB [ 586.510611] kmalloc-64 3279KB 3804KB [ 586.516202] kmalloc-32 2857KB 3035KB [ 586.521683] kmalloc-192 740KB 972KB [ 586.527076] kmem_cache 221KB 225KB [ 586.532460] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 586.540554] Killed process 6155 (syz-executor5) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 586.562811] blkid invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=-1000 [ 586.574407] blkid cpuset=/ mems_allowed=0 [ 586.578577] CPU: 0 PID: 10723 Comm: blkid Not tainted 4.20.0-rc6+ #151 [ 586.585241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 586.594589] Call Trace: [ 586.597167] dump_stack+0x244/0x39d [ 586.600781] ? dump_stack_print_info.cold.1+0x20/0x20 [ 586.605959] ? mark_held_locks+0x130/0x130 [ 586.610188] ? mark_held_locks+0x130/0x130 [ 586.614422] dump_header+0x27b/0xf72 [ 586.618127] ? pagefault_out_of_memory+0x197/0x197 [ 586.623046] ? mark_held_locks+0x130/0x130 [ 586.627263] ? __lock_acquire+0x62f/0x4c20 [ 586.631484] ? percpu_ref_get_many+0x240/0x240 [ 586.636055] ? print_usage_bug+0xc0/0xc0 [ 586.640208] ? zap_class+0x640/0x640 [ 586.643907] ? print_usage_bug+0xc0/0xc0 [ 586.647949] ? print_usage_bug+0xc0/0xc0 [ 586.651998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 586.657535] ? find_held_lock+0x36/0x1c0 [ 586.661587] ? mark_held_locks+0xc7/0x130 [ 586.665723] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 586.670812] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 586.675902] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 586.680471] ? trace_hardirqs_on+0xbd/0x310 [ 586.684776] ? kasan_check_read+0x11/0x20 [ 586.688916] ? ___ratelimit+0x3b4/0x672 [ 586.692881] ? trace_hardirqs_off_caller+0x310/0x310 [ 586.697967] ? trace_hardirqs_on+0x310/0x310 [ 586.702359] ? lock_downgrade+0x900/0x900 [ 586.706519] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 586.711605] ? ___ratelimit+0x3b9/0x672 [ 586.715565] ? idr_get_free+0xf70/0xf70 [ 586.719543] ? kasan_check_read+0x11/0x20 [ 586.723687] ? do_raw_spin_unlock+0xa7/0x330 [ 586.728086] oom_kill_process.cold.27+0x10/0x903 [ 586.732827] ? zap_class+0x640/0x640 [ 586.736525] ? _raw_spin_unlock+0x2c/0x50 [ 586.740657] ? oom_badness+0xe6/0xaa0 [ 586.744446] ? oom_evaluate_task+0x540/0x540 [ 586.748927] ? find_held_lock+0x36/0x1c0 [ 586.752977] ? out_of_memory+0x974/0x1430 [ 586.757196] ? lock_downgrade+0x900/0x900 [ 586.761328] ? check_preemption_disabled+0x48/0x280 [ 586.766329] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 586.771240] ? kasan_check_read+0x11/0x20 [ 586.775378] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 586.780747] ? rcu_softirq_qs+0x20/0x20 [ 586.784709] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 586.789709] ? oom_evaluate_task+0x302/0x540 [ 586.794104] out_of_memory+0xa84/0x1430 [ 586.798066] ? oom_killer_disable+0x3a0/0x3a0 [ 586.802557] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 586.807475] ? __ww_mutex_check_waiters+0x160/0x160 [ 586.812478] __alloc_pages_slowpath+0x232c/0x2de0 [ 586.817318] ? warn_alloc+0x120/0x120 [ 586.821109] ? mark_held_locks+0x130/0x130 [ 586.825332] ? __lock_acquire+0x62f/0x4c20 [ 586.829552] ? warn_alloc+0x120/0x120 [ 586.833380] ? print_usage_bug+0xc0/0xc0 [ 586.837426] ? print_usage_bug+0xc0/0xc0 [ 586.841472] ? find_held_lock+0x36/0x1c0 [ 586.845518] ? print_usage_bug+0xc0/0xc0 [ 586.849565] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 586.855093] ? should_fail+0x22d/0xd01 [ 586.858980] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 586.864087] ? zap_class+0x640/0x640 [ 586.867794] ? find_held_lock+0x36/0x1c0 [ 586.871849] ? lock_release+0xa00/0xa00 [ 586.875807] ? perf_trace_sched_process_exec+0x860/0x860 [ 586.881258] ? check_preemption_disabled+0x48/0x280 [ 586.886291] ? __might_sleep+0x95/0x190 [ 586.890255] __alloc_pages_nodemask+0xad8/0xea0 [ 586.894908] ? zap_class+0x640/0x640 [ 586.898609] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 586.903613] ? find_held_lock+0x36/0x1c0 [ 586.907663] ? cache_grow_begin+0x65/0x8c0 [ 586.911902] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 586.916481] ? trace_hardirqs_on+0xbd/0x310 [ 586.920801] ? fallback_alloc+0x204/0x2e0 [ 586.924936] ? trace_hardirqs_off_caller+0x310/0x310 [ 586.930030] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 586.935554] cache_grow_begin+0xa5/0x8c0 [ 586.939601] ? do_raw_spin_unlock+0xa7/0x330 [ 586.943995] fallback_alloc+0x204/0x2e0 [ 586.947961] ____cache_alloc_node+0x1c7/0x1e0 [ 586.952450] kmem_cache_alloc+0x1f8/0x730 [ 586.956581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 586.962106] getname_flags+0xd0/0x590 [ 586.965892] ? kasan_check_write+0x14/0x20 [ 586.970111] user_path_at_empty+0x2d/0x50 [ 586.974247] do_faccessat+0x254/0x800 [ 586.978036] ? __ia32_sys_fallocate+0xf0/0xf0 [ 586.982516] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 586.987866] ? trace_hardirqs_off_caller+0x310/0x310 [ 586.992955] __x64_sys_access+0x59/0x80 [ 586.996916] do_syscall_64+0x1b9/0x820 [ 587.000786] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 587.006145] ? syscall_return_slowpath+0x5e0/0x5e0 [ 587.011060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 587.015889] ? trace_hardirqs_on_caller+0x310/0x310 [ 587.020889] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 587.025890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 587.031412] ? prepare_exit_to_usermode+0x291/0x3b0 [ 587.036415] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 587.041245] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 587.046779] RIP: 0033:0x7f2a7d2df267 [ 587.050486] Code: Bad RIP value. [ 587.053838] RSP: 002b:00007ffc2d8772c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 587.061530] RAX: ffffffffffffffda RBX: 00007f2a7d0a4c22 RCX: 00007f2a7d2df267 [ 587.068786] RDX: 000000000000001d RSI: 0000000000000000 RDI: 00007f2a7d2e32e6 [ 587.076043] RBP: 00007f2a7d4e2000 R08: 00007f2a7d4e7870 R09: 0000000000000000 [ 587.083298] R10: 000000006ffffeff R11: 0000000000000246 R12: 00007f2a7d4e74c8 [ 587.090553] R13: 00007f2a7d4e2718 R14: 00000000000033ef R15: 00007f2a7d4e7870 [ 587.098967] Mem-Info: [ 587.101473] active_anon:6488 inactive_anon:188 isolated_anon:0 [ 587.101473] active_file:20 inactive_file:13 isolated_file:0 [ 587.101473] unevictable:0 dirty:0 writeback:0 unstable:0 [ 587.101473] slab_reclaimable:14736 slab_unreclaimable:1492712 [ 587.101473] mapped:19 shmem:245 pagetables:499 bounce:0 [ 587.101473] free:24621 free_pcp:31 free_cma:0 [ 587.138468] Node 0 active_anon:25952kB inactive_anon:752kB active_file:116kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:140kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 587.197473] 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 [ 587.223763] lowmem_reserve[]: 0 2818 6321 6321 [ 587.228356] Node 0 DMA32 free:44032kB min:30052kB low:37564kB high:45076kB active_anon:52kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:64kB pagetables:24kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 587.256006] lowmem_reserve[]: 0 0 3503 3503 [ 587.260323] Node 0 Normal free:37232kB min:37364kB low:46704kB high:56044kB active_anon:25900kB inactive_anon:752kB active_file:352kB inactive_file:24kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:1972kB bounce:0kB free_pcp:1308kB local_pcp:468kB free_cma:0kB [ 587.289860] lowmem_reserve[]: 0 0 0 0 [ 587.293680] 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 [ 587.307643] Node 0 DMA32: 8*4kB (UME) 6*8kB (M) 11*16kB (ME) 4*32kB (ME) 8*64kB (UE) 3*128kB (UM) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 44032kB [ 587.324415] Node 0 Normal: 672*4kB (UMEH) 594*8kB (UMEH) 396*16kB (UMEH) 155*32kB (UMEH) 84*64kB (UMEH) 49*128kB (UME) 21*256kB (M) 3*512kB (UM) 1*1024kB (U) 0*2048kB 0*4096kB = 38320kB [ 587.350931] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 587.361448] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 587.377209] 309 total pagecache pages [ 587.381888] 0 pages in swap cache [ 587.386410] Swap cache stats: add 0, delete 0, find 0/0 [ 587.392330] Free swap = 0kB [ 587.396324] Total swap = 0kB [ 587.400121] 1965979 pages RAM [ 587.403260] 0 pages HighMem/MovableOnly [ 587.408122] 342853 pages reserved [ 587.414418] 0 pages cma reserved [ 587.423538] Unreclaimable slab info: [ 587.427269] Name Used Total [ 587.433867] pid_2 85KB 156KB [ 587.439282] TIPC 12KB 14KB [ 587.455581] SCTPv6 18KB 18KB [ 587.464171] DCCPv6 17KB 21KB [ 587.471761] DCCP 16KB 20KB [ 587.477231] bridge_fdb_cache 13KB 15KB [ 587.486854] fib6_nodes 91KB 92KB [ 587.492270] ip6_dst_cache 141KB 266KB [ 587.497640] RAWv6 87KB 91KB [ 587.503039] UDPv6 3KB 3KB [ 587.508409] TCPv6 23KB 23KB [ 587.513820] nf_conntrack 0KB 3KB [ 587.519209] sd_ext_cdb 0KB 3KB [ 587.524588] scsi_sense_cache 1056KB 1060KB [ 587.530036] virtio_scsi_cmd 16KB 16KB [ 587.535584] sgpool-128 8KB 8KB [ 587.540959] sgpool-64 4KB 6KB [ 587.546826] sgpool-32 2KB 7KB [ 587.554874] sgpool-16 1KB 3KB [ 587.565021] sgpool-8 0KB 3KB [ 587.571351] mqueue_inode_cache 12KB 14KB [ 587.589753] bio_post_read_ctx 14KB 15KB [ 587.601031] bio-2 14KB 15KB [ 587.615288] jfs_mp 7KB 7KB [ 587.631215] nfs_commit_data 3KB 7KB [ 587.636646] nfs_write_data 32KB 32KB [ 587.642068] ext4_system_zone 0KB 3KB [ 587.647449] bio-1 1KB 3KB [ 587.652851] pid_namespace 2KB 7KB [ 587.658335] rpc_buffers 17KB 19KB [ 587.663737] rpc_tasks 2KB 3KB [ 587.669094] UNIX 25KB 39KB [ 587.674935] tcp_bind_bucket 1KB 4KB [ 587.680419] ip_fib_trie 13KB 15KB [ 587.685788] ip_fib_alias 60KB 63KB [ 587.691174] ip_dst_cache 1KB 8KB [ 587.696587] RAW 51KB 57KB [ 587.701985] UDP 19KB 32KB [ 587.707334] TCP 5KB 5KB [ 587.712703] hugetlbfs_inode_cache 2KB 7KB [ 587.718398] fscache_cookie_jar 1KB 7KB [ 587.723885] eventpoll_pwq 41KB 43KB [ 587.729239] eventpoll_epi 72KB 82KB [ 587.734637] inotify_inode_mark 66KB 78KB [ 587.740083] request_queue 164KB 164KB [ 587.745786] blkdev_ioc 30KB 30KB [ 587.751159] bio-0 3015KB 3015KB [ 587.756568] biovec-max 2392KB 2392KB [ 587.761977] biovec-64 1685KB 1685KB [ 587.767354] biovec-16 697KB 697KB [ 587.772761] bio_integrity_payload 1KB 3KB [ 587.778651] khugepaged_mm_slot 0KB 3KB [ 587.784148] dmaengine-unmap-256 2KB 6KB [ 587.789692] dmaengine-unmap-128 1KB 3KB [ 587.795265] dmaengine-unmap-16 0KB 4KB [ 587.800719] dmaengine-unmap-2 0KB 3KB [ 587.806844] skbuff_fclone_cache 5KB 18KB [ 587.812415] skbuff_head_cache 1258KB 1788KB [ 587.817787] configfs_dir_cache 0KB 4KB [ 587.823261] file_lock_cache 0KB 3KB [ 587.828615] file_lock_ctx 0KB 3KB [ 587.834010] fsnotify_mark_connector 37KB 51KB [ 587.839882] net_namespace 69KB 69KB [ 587.845254] shmem_inode_cache 5531KB 5715KB [ 587.850598] task_delay_info 156KB 453KB [ 587.855973] proc_dir_entry 673KB 675KB [ 587.861319] pde_opener 0KB 3KB [ 587.867713] seq_file 275KB 409KB [ 587.873241] sigqueue 61KB 189KB [ 587.878605] kernfs_node_cache 11464KB 11466KB [ 587.884011] mnt_cache 105KB 108KB [ 587.889383] filp 4278KB 6573KB [ 587.894796] names_cache 102603KB 102603KB [ 587.900257] iint_cache 87KB 87KB [ 587.905665] hashtab_node 118KB 119KB [ 587.911024] ebitmap_node 1322KB 1555KB [ 587.916412] avtab_node 1012KB 1013KB [ 587.921762] avc_node 43KB 47KB [ 587.927139] selinux_file_security 296KB 561KB [ 587.933333] selinux_inode_security 3594KB 3692KB [ 587.939122] key_jar 3KB 7KB [ 587.944502] uts_namespace 3KB 7KB [ 587.949850] nsproxy 2KB 3KB [ 587.955218] vm_area_struct 8530KB 12409KB [ 587.960564] mm_struct 1690KB 3094KB [ 587.965943] fs_cache 155KB 440KB [ 587.971288] files_cache 552KB 1061KB [ 587.976659] signal_cache 1042KB 2019KB [ 587.982033] sighand_cache 531KB 534KB [ 587.987376] task_struct 4417KB 4455KB [ 587.992828] cred_jar 893KB 2208KB [ 587.998197] anon_vma_chain 4536KB 6237KB [ 588.003604] anon_vma 229KB 373KB [ 588.008977] pid 74KB 288KB [ 588.014389] Acpi-Operand 106KB 162KB [ 588.019758] Acpi-Namespace 19KB 23KB [ 588.025199] numa_policy 0KB 3KB [ 588.030569] debug_objects_cache 1062KB 1063KB [ 588.036149] trace_event_file 260KB 262KB [ 588.041524] ftrace_event_field 376KB 381KB [ 588.047020] pool_workqueue 92KB 96KB [ 588.052424] task_group 5KB 7KB [ 588.057791] page->ptl 1476KB 2846KB [ 588.064277] kmalloc-4M 5554176KB 5554176KB [ 588.069652] kmalloc-2M 2050KB 2050KB [ 588.075063] kmalloc-512k 2056KB 2056KB [ 588.080435] kmalloc-256k 1290KB 1290KB [ 588.085830] kmalloc-128k 650KB 650KB [ 588.091198] kmalloc-64k 330KB 330KB [ 588.096583] kmalloc-32k 16467KB 16467KB [ 588.101958] kmalloc-16k 1666KB 1666KB [ 588.107306] kmalloc-8k 2021KB 2021KB [ 588.112702] kmalloc-4k 16358KB 16396KB [ 588.118058] kmalloc-2k 8257KB 8262KB [ 588.123430] kmalloc-1k 5103KB 5103KB [ 588.128779] kmalloc-512 4149KB 5430KB [ 588.134162] kmalloc-256 3212KB 3240KB [ 588.139510] kmalloc-128 989KB 996KB [ 588.144882] kmalloc-96 2584KB 2584KB [ 588.150233] kmalloc-64 3279KB 3804KB [ 588.155598] kmalloc-32 2857KB 3035KB [ 588.160941] kmalloc-192 740KB 972KB [ 588.166306] kmem_cache 221KB 225KB [ 588.171652] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 588.180081] Killed process 10113 (syz-executor1) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 588.237883] syz-executor2 invoked oom-killer: gfp_mask=0x7080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=0 [ 588.250712] syz-executor2 cpuset=syz2 mems_allowed=0 [ 588.258293] CPU: 0 PID: 6163 Comm: syz-executor2 Not tainted 4.20.0-rc6+ #151 [ 588.265577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 588.274917] Call Trace: [ 588.277492] dump_stack+0x244/0x39d [ 588.281106] ? dump_stack_print_info.cold.1+0x20/0x20 [ 588.286315] ? mark_held_locks+0x130/0x130 [ 588.290551] ? mark_held_locks+0x130/0x130 [ 588.294787] dump_header+0x27b/0xf72 [ 588.298495] ? pagefault_out_of_memory+0x197/0x197 [ 588.303445] ? mark_held_locks+0x130/0x130 [ 588.307665] ? __lock_acquire+0x62f/0x4c20 [ 588.311908] ? print_usage_bug+0xc0/0xc0 [ 588.315970] ? zap_class+0x640/0x640 [ 588.319671] ? print_usage_bug+0xc0/0xc0 [ 588.323716] ? print_usage_bug+0xc0/0xc0 [ 588.327766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 588.333320] ? find_held_lock+0x36/0x1c0 [ 588.337372] ? mark_held_locks+0xc7/0x130 [ 588.341507] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 588.346593] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 588.351681] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 588.356249] ? trace_hardirqs_on+0xbd/0x310 [ 588.360665] ? kasan_check_read+0x11/0x20 [ 588.364799] ? ___ratelimit+0x3b4/0x672 [ 588.368758] ? trace_hardirqs_off_caller+0x310/0x310 [ 588.373931] ? trace_hardirqs_on+0x310/0x310 [ 588.378323] ? lock_downgrade+0x900/0x900 [ 588.382459] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 588.387546] ? ___ratelimit+0x3b9/0x672 [ 588.391507] ? idr_get_free+0xf70/0xf70 [ 588.395467] ? kasan_check_read+0x11/0x20 [ 588.399613] ? do_raw_spin_unlock+0xa7/0x330 [ 588.404013] oom_kill_process.cold.27+0x10/0x903 [ 588.408755] ? zap_class+0x640/0x640 [ 588.412468] ? _raw_spin_unlock+0x2c/0x50 [ 588.416612] ? oom_badness+0xe6/0xaa0 [ 588.420410] ? oom_evaluate_task+0x540/0x540 [ 588.424806] ? find_held_lock+0x36/0x1c0 [ 588.428854] ? out_of_memory+0x974/0x1430 [ 588.432991] ? lock_downgrade+0x900/0x900 [ 588.437123] ? check_preemption_disabled+0x48/0x280 [ 588.442155] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 588.447068] ? kasan_check_read+0x11/0x20 [ 588.451201] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 588.456459] ? rcu_softirq_qs+0x20/0x20 [ 588.460435] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 588.465439] ? oom_evaluate_task+0x302/0x540 [ 588.469833] out_of_memory+0xa84/0x1430 [ 588.473796] ? oom_killer_disable+0x3a0/0x3a0 [ 588.478289] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 588.483210] ? __ww_mutex_check_waiters+0x160/0x160 [ 588.488217] __alloc_pages_slowpath+0x232c/0x2de0 [ 588.493061] ? warn_alloc+0x120/0x120 [ 588.496848] ? mark_held_locks+0x130/0x130 [ 588.501078] ? find_held_lock+0x36/0x1c0 [ 588.505135] ? lock_downgrade+0x900/0x900 [ 588.509295] ? check_preemption_disabled+0x48/0x280 [ 588.514299] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 588.519211] ? kasan_check_read+0x11/0x20 [ 588.523350] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 588.528616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 588.534159] ? should_fail+0x22d/0xd01 [ 588.538033] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 588.543124] ? zap_class+0x640/0x640 [ 588.546830] ? kernel_text_address+0x79/0xf0 [ 588.551278] ? unwind_get_return_address+0x61/0xa0 [ 588.556211] ? find_held_lock+0x36/0x1c0 [ 588.560269] ? lock_release+0xa00/0xa00 [ 588.564233] ? perf_trace_sched_process_exec+0x860/0x860 [ 588.569667] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 588.575020] ? __might_sleep+0x95/0x190 [ 588.578987] __alloc_pages_nodemask+0xad8/0xea0 [ 588.583642] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 588.588908] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 588.593920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 588.599445] ? check_preemption_disabled+0x48/0x280 [ 588.604452] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 588.609977] ? rcu_pm_notify+0xc0/0xc0 [ 588.613853] ? copy_process+0x2026/0x87a0 [ 588.618009] ? rcu_read_lock_sched_held+0x14f/0x180 [ 588.623010] ? kmem_cache_alloc_node+0x349/0x730 [ 588.627754] copy_process+0xa09/0x87a0 [ 588.631627] ? zap_class+0x640/0x640 [ 588.635334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 588.640856] ? reuse_swap_page+0x4bd/0x1520 [ 588.645173] ? swp_swapcount+0x530/0x530 [ 588.649235] ? __cleanup_sighand+0x70/0x70 [ 588.653450] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 588.658381] ? print_usage_bug+0xc0/0xc0 [ 588.662431] ? __lock_acquire+0x62f/0x4c20 [ 588.666670] ? zap_class+0x640/0x640 [ 588.670371] ? mark_held_locks+0x130/0x130 [ 588.674593] ? lock_acquire+0x1ed/0x520 [ 588.678552] ? find_held_lock+0x36/0x1c0 [ 588.682650] ? do_wp_page+0x127c/0x2920 [ 588.686633] ? lock_downgrade+0x900/0x900 [ 588.690765] ? wake_up_page_bit+0x6f0/0x6f0 [ 588.695085] ? print_usage_bug+0xc0/0xc0 [ 588.699139] ? kasan_check_read+0x11/0x20 [ 588.703269] ? do_raw_spin_unlock+0xa7/0x330 [ 588.707661] ? do_raw_spin_trylock+0x270/0x270 [ 588.712262] ? pgd_free+0x380/0x380 [ 588.715892] ? _raw_spin_unlock+0x2c/0x50 [ 588.720029] ? do_wp_page+0x528/0x2920 [ 588.723903] ? __lock_acquire+0x62f/0x4c20 [ 588.728128] ? finish_mkwrite_fault+0x650/0x650 [ 588.732788] ? __lock_acquire+0x62f/0x4c20 [ 588.737010] ? mark_held_locks+0x130/0x130 [ 588.741233] ? lock_downgrade+0x900/0x900 [ 588.745372] ? lock_downgrade+0x900/0x900 [ 588.749506] ? __lock_acquire+0x62f/0x4c20 [ 588.753730] ? mark_held_locks+0x130/0x130 [ 588.757971] ? rcu_softirq_qs+0x20/0x20 [ 588.761956] ? mark_held_locks+0x130/0x130 [ 588.766270] ? zap_class+0x640/0x640 [ 588.769972] ? mark_held_locks+0x130/0x130 [ 588.774193] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 588.779716] ? check_preemption_disabled+0x48/0x280 [ 588.784721] ? __lock_is_held+0xb5/0x140 [ 588.788782] ? print_usage_bug+0xc0/0xc0 [ 588.792829] ? print_usage_bug+0xc0/0xc0 [ 588.796883] ? print_usage_bug+0xc0/0xc0 [ 588.800951] ? print_usage_bug+0xc0/0xc0 [ 588.805082] ? __inode_attach_wb+0x13f0/0x13f0 [ 588.809652] ? find_held_lock+0x36/0x1c0 [ 588.813704] ? __lock_acquire+0x62f/0x4c20 [ 588.817923] ? __lock_acquire+0x62f/0x4c20 [ 588.822149] ? mark_held_locks+0x130/0x130 [ 588.826371] ? kasan_check_read+0x11/0x20 [ 588.830500] ? do_raw_spin_lock+0x14f/0x350 [ 588.834810] ? rwlock_bug.part.2+0x90/0x90 [ 588.839028] ? touch_atime+0x1d8/0x320 [ 588.842903] ? lock_downgrade+0x900/0x900 [ 588.847062] ? __handle_mm_fault+0xa57/0x5be0 [ 588.851561] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 588.856394] ? zap_class+0x640/0x640 [ 588.860089] ? touch_atime+0x103/0x320 [ 588.863979] ? zap_class+0x640/0x640 [ 588.867679] ? atime_needs_update+0x710/0x710 [ 588.872160] ? zap_class+0x640/0x640 [ 588.875869] ? find_held_lock+0x36/0x1c0 [ 588.879940] _do_fork+0x1cb/0x11d0 [ 588.883466] ? fork_idle+0x1d0/0x1d0 [ 588.887164] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 588.892076] ? kasan_check_read+0x11/0x20 [ 588.896213] ? kasan_check_read+0x11/0x20 [ 588.900346] ? _copy_to_user+0xc8/0x110 [ 588.904307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 588.909848] ? put_timespec64+0x10f/0x1b0 [ 588.913980] ? nsecs_to_jiffies+0x30/0x30 [ 588.918117] ? do_syscall_64+0x9a/0x820 [ 588.922076] ? do_syscall_64+0x9a/0x820 [ 588.926034] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 588.930599] ? trace_hardirqs_on+0xbd/0x310 [ 588.934905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 588.940425] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 588.945792] ? trace_hardirqs_off_caller+0x310/0x310 [ 588.950881] __x64_sys_clone+0xbf/0x150 [ 588.954861] do_syscall_64+0x1b9/0x820 [ 588.958739] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 588.964090] ? syscall_return_slowpath+0x5e0/0x5e0 [ 588.969007] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 588.973843] ? trace_hardirqs_on_caller+0x310/0x310 [ 588.978867] ? prepare_exit_to_usermode+0x291/0x3b0 [ 588.983872] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 588.988727] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 588.993899] RIP: 0033:0x455c2a [ 588.997084] Code: Bad RIP value. [ 589.000436] RSP: 002b:00007fff2bef5180 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 589.008151] RAX: ffffffffffffffda RBX: 00007fff2bef5180 RCX: 0000000000455c2a [ 589.016279] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 589.023533] RBP: 00007fff2bef51c0 R08: 0000000000000001 R09: 0000000001217940 [ 589.030784] R10: 0000000001217c10 R11: 0000000000000246 R12: 0000000000000001 [ 589.038136] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 [ 589.051271] Mem-Info: [ 589.054886] active_anon:6445 inactive_anon:188 isolated_anon:0 [ 589.054886] active_file:75 inactive_file:33 isolated_file:0 [ 589.054886] unevictable:0 dirty:0 writeback:0 unstable:0 [ 589.054886] slab_reclaimable:14736 slab_unreclaimable:1492747 [ 589.054886] mapped:58 shmem:245 pagetables:489 bounce:0 [ 589.054886] free:24631 free_pcp:134 free_cma:0 [ 589.097172] Node 0 active_anon:25780kB inactive_anon:752kB active_file:300kB inactive_file:288kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:232kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 589.125627] 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 [ 589.274249] lowmem_reserve[]: 0 2818 6321 6321 [ 589.294279] Node 0 DMA32 free:44032kB min:30052kB low:37564kB high:45076kB active_anon:52kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:64kB pagetables:24kB bounce:0kB free_pcp:80kB local_pcp:28kB free_cma:0kB 2018/12/11 18:35:45 executed programs: 1678 [ 589.340764] lowmem_reserve[]: 0 0 3503 3503 [ 589.349775] Node 0 Normal free:235208kB min:37364kB low:46704kB high:56044kB active_anon:25540kB inactive_anon:752kB active_file:3252kB inactive_file:4540kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6944kB pagetables:1932kB bounce:0kB free_pcp:2216kB local_pcp:968kB free_cma:0kB [ 589.383653] lowmem_reserve[]: 0 0 0 0 [ 589.421947] 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 [ 589.502765] Node 0 DMA32: 8*4kB (UME) 9*8kB (UM) 14*16kB (UME) 9*32kB (UME) 11*64kB (UE) 3*128kB (UM) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 44456kB [ 589.552712] Node 0 Normal: 47*4kB (UMEH) 108*8kB (UMH) 274*16kB (UMEH) 163*32kB (UMEH) 81*64kB (MEH) 47*128kB (ME) 22*256kB (UM) 2*512kB (M) 0*1024kB 0*2048kB 83*4096kB (U) = 368476kB [ 589.569825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 589.601390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 589.633745] 2583 total pagecache pages [ 589.637710] 0 pages in swap cache [ 589.641160] Swap cache stats: add 0, delete 0, find 0/0 [ 589.653148] Free swap = 0kB [ 589.656185] Total swap = 0kB [ 589.659203] 1965979 pages RAM [ 589.664100] 0 pages HighMem/MovableOnly [ 589.668091] 342853 pages reserved [ 589.671556] 0 pages cma reserved [ 589.675275] Unreclaimable slab info: [ 589.678995] Name Used Total [ 589.684918] pid_2 85KB 156KB [ 589.690328] TIPC 12KB 14KB [ 589.696120] SCTPv6 18KB 18KB [ 589.701500] DCCPv6 17KB 21KB [ 589.707296] DCCP 16KB 20KB [ 589.712996] bridge_fdb_cache 13KB 15KB [ 589.718368] fib6_nodes 91KB 92KB [ 589.724079] ip6_dst_cache 141KB 266KB [ 589.729455] RAWv6 87KB 91KB [ 589.735149] UDPv6 3KB 3KB [ 589.740522] TCPv6 23KB 23KB [ 589.746232] nf_conntrack 0KB 3KB [ 589.751625] sd_ext_cdb 0KB 3KB [ 589.757323] scsi_sense_cache 1056KB 1060KB [ 589.762988] virtio_scsi_cmd 16KB 16KB [ 589.768376] sgpool-128 8KB 8KB [ 589.774075] sgpool-64 4KB 6KB [ 589.779443] sgpool-32 2KB 7KB [ 589.785169] sgpool-16 1KB 3KB [ 589.790536] sgpool-8 0KB 3KB [ 589.796254] mqueue_inode_cache 12KB 14KB [ 589.801997] bio_post_read_ctx 14KB 15KB [ 589.807398] bio-2 14KB 15KB [ 589.813118] jfs_mp 7KB 7KB [ 589.818591] nfs_commit_data 3KB 7KB [ 589.824632] nfs_write_data 32KB 32KB [ 589.830019] ext4_system_zone 0KB 3KB [ 589.835743] bio-1 1KB 3KB [ 589.841145] pid_namespace 2KB 7KB [ 589.846850] rpc_buffers 17KB 19KB [ 589.852477] rpc_tasks 2KB 3KB [ 589.857842] UNIX 25KB 39KB [ 589.863498] tcp_bind_bucket 1KB 4KB [ 589.868875] ip_fib_trie 13KB 15KB [ 589.874558] ip_fib_alias 60KB 63KB [ 589.879931] ip_dst_cache 1KB 8KB 2018/12/11 18:35:45 result: failed=false hanged=false err=executor 5: exit status -1 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 589.909295] RAW 51KB 57KB [ 589.917773] UDP 19KB 32KB [ 589.953855] TCP 5KB 5KB [ 589.959259] hugetlbfs_inode_cache 2KB 7KB [ 589.965044] fscache_cookie_jar 1KB 7KB [ 589.965055] eventpoll_pwq 41KB 43KB [ 589.965065] eventpoll_epi 69KB 82KB [ 589.965074] inotify_inode_mark 66KB 78KB [ 589.965086] request_queue 164KB 164KB [ 589.965097] blkdev_ioc 30KB 30KB [ 589.965107] bio-0 3153KB 3153KB [ 589.965116] biovec-max 2400KB 2400KB [ 589.965126] biovec-64 1771KB 1771KB [ 589.965136] biovec-16 716KB 716KB [ 589.965145] bio_integrity_payload 1KB 3KB [ 589.965154] khugepaged_mm_slot 0KB 3KB [ 589.965172] dmaengine-unmap-256 2KB 6KB [ 589.976102] dmaengine-unmap-128 1KB 3KB [ 589.986825] dmaengine-unmap-16 0KB 4KB [ 589.986835] dmaengine-unmap-2 0KB 3KB [ 589.986848] skbuff_fclone_cache 15KB 18KB [ 589.986857] skbuff_head_cache 1266KB 1788KB [ 589.986866] configfs_dir_cache 0KB 4KB [ 589.986876] file_lock_cache 0KB 3KB [ 589.986885] file_lock_ctx 0KB 3KB [ 589.986895] fsnotify_mark_connector 36KB 51KB [ 589.986904] net_namespace 69KB 69KB [ 589.986914] shmem_inode_cache 5531KB 5715KB [ 589.986924] task_delay_info 156KB 453KB [ 589.986934] proc_dir_entry 672KB 675KB [ 589.986947] pde_opener 0KB 3KB [ 589.997774] seq_file 262KB 409KB [ 590.008480] sigqueue 61KB 189KB [ 590.019250] kernfs_node_cache 11463KB 11466KB [ 590.030434] mnt_cache 105KB 108KB [ 590.041645] filp 4261KB 6570KB [ 590.052487] names_cache 103296KB 103296KB [ 590.063398] iint_cache 69KB 87KB [ 590.075009] hashtab_node 118KB 119KB [ 590.085499] ebitmap_node 1322KB 1555KB [ 590.096362] avtab_node 1012KB 1013KB [ 590.096377] avc_node 43KB 47KB [ 590.107283] selinux_file_security 294KB 561KB [ 590.117946] selinux_inode_security 3542KB 3692KB [ 590.128766] key_jar 3KB 7KB [ 590.139468] uts_namespace 3KB 7KB [ 590.193894] nsproxy 2KB 3KB [ 590.199305] vm_area_struct 8509KB 12409KB [ 590.205314] mm_struct 1680KB 3081KB [ 590.210679] fs_cache 155KB 440KB [ 590.216098] files_cache 552KB 1061KB [ 590.216107] signal_cache 1042KB 2019KB [ 590.216116] sighand_cache 518KB 527KB [ 590.216126] task_struct 4417KB 4442KB [ 590.216136] cred_jar 886KB 2208KB [ 590.216147] anon_vma_chain 4510KB 6237KB [ 590.226887] anon_vma 229KB 373KB [ 590.237614] pid 70KB 288KB [ 590.248374] Acpi-Operand 106KB 162KB [ 590.259191] Acpi-Namespace 19KB 23KB [ 590.269909] numa_policy 0KB 3KB [ 590.275318] debug_objects_cache 1175KB 1176KB [ 590.275327] trace_event_file 260KB 262KB [ 590.275336] ftrace_event_field 376KB 381KB [ 590.275345] pool_workqueue 92KB 96KB [ 590.275354] task_group 5KB 7KB [ 590.275364] page->ptl 1476KB 2846KB [ 590.275394] kmalloc-4M 4395008KB 4407296KB [ 590.275403] kmalloc-2M 2050KB 2050KB [ 590.275413] kmalloc-512k 2056KB 2056KB [ 590.275423] kmalloc-256k 1290KB 1290KB [ 590.275432] kmalloc-128k 650KB 650KB [ 590.275443] kmalloc-64k 330KB 330KB [ 590.286346] kmalloc-32k 16467KB 16467KB [ 590.297194] kmalloc-16k 1666KB 1666KB [ 590.307884] kmalloc-8k 2021KB 2021KB [ 590.318628] kmalloc-4k 16417KB 16434KB [ 590.329371] kmalloc-2k 8281KB 8281KB [ 590.340895] kmalloc-1k 5173KB 5173KB [ 590.350919] kmalloc-512 4149KB 5430KB [ 590.361668] kmalloc-256 3220KB 3240KB [ 590.372460] kmalloc-128 989KB 996KB [ 590.372469] kmalloc-96 2608KB 2608KB [ 590.372481] kmalloc-64 3279KB 3804KB [ 590.383211] kmalloc-32 2857KB 3035KB 2018/12/11 18:35:46 result: failed=false hanged=false err=executor 1: exit status -1 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 590.383222] kmalloc-192 755KB 972KB [ 590.383232] kmem_cache 221KB 225KB [ 590.383248] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 590.394028] Killed process 6160 (syz-executor2) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 590.433680] oom_reaper: reaped process 6160 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 590.544214] IPVS: ftp: loaded support on port[0] = 21 2018/12/11 18:35:46 result: failed=false hanged=false err=executor 2: exit status -1 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 591.025703] IPVS: ftp: loaded support on port[0] = 21 [ 591.040333] IPVS: ftp: loaded support on port[0] = 21 [ 591.262241] device bridge_slave_1 left promiscuous mode [ 591.267762] bridge0: port 2(bridge_slave_1) entered disabled state [ 591.312766] device bridge_slave_0 left promiscuous mode [ 591.318258] bridge0: port 1(bridge_slave_0) entered disabled state [ 591.383333] team0 (unregistering): Port device team_slave_1 removed [ 591.395070] team0 (unregistering): Port device team_slave_0 removed [ 591.406011] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 591.435725] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 591.520202] bond0 (unregistering): Released all slaves [ 592.173701] bridge0: port 1(bridge_slave_0) entered blocking state [ 592.180154] bridge0: port 1(bridge_slave_0) entered disabled state [ 592.197549] device bridge_slave_0 entered promiscuous mode [ 592.270741] bridge0: port 1(bridge_slave_0) entered blocking state [ 592.279874] bridge0: port 1(bridge_slave_0) entered disabled state [ 592.287682] device bridge_slave_0 entered promiscuous mode [ 592.296330] bridge0: port 2(bridge_slave_1) entered blocking state [ 592.306760] bridge0: port 2(bridge_slave_1) entered disabled state [ 592.314824] device bridge_slave_1 entered promiscuous mode [ 592.355671] bridge0: port 2(bridge_slave_1) entered blocking state [ 592.362773] bridge0: port 2(bridge_slave_1) entered disabled state [ 592.376057] device bridge_slave_1 entered promiscuous mode [ 592.384701] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 592.412132] bridge0: port 1(bridge_slave_0) entered blocking state [ 592.418579] bridge0: port 1(bridge_slave_0) entered disabled state [ 592.432882] device bridge_slave_0 entered promiscuous mode [ 592.441537] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 592.453035] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 592.478386] bridge0: port 2(bridge_slave_1) entered blocking state [ 592.484992] bridge0: port 2(bridge_slave_1) entered disabled state [ 592.499647] device bridge_slave_1 entered promiscuous mode [ 592.515703] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 592.560211] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 592.627680] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 592.647170] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 592.658161] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 592.683314] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 592.745834] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 592.837719] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 592.847652] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 592.859802] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 592.876243] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 592.892605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 592.918264] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 592.936952] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 592.952000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 592.982158] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 592.989037] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 593.020799] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 593.040825] team0: Port device team_slave_0 added [ 593.054095] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 593.062609] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 593.118438] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 593.125901] team0: Port device team_slave_1 added [ 593.131175] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 593.140745] team0: Port device team_slave_0 added [ 593.163597] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 593.177838] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 593.186535] team0: Port device team_slave_1 added [ 593.227861] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 593.253690] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 593.266093] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 593.285332] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 593.299423] team0: Port device team_slave_0 added [ 593.313268] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 593.324500] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 593.332905] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 593.348542] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 593.356575] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 593.372067] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 593.382552] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 593.389714] team0: Port device team_slave_1 added [ 593.395539] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 593.403679] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 593.411530] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 593.427637] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 593.437134] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 593.446180] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 593.456118] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 593.486226] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 593.516832] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 593.530582] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 593.542208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 593.589465] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 593.597439] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 593.608476] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 593.904397] bridge0: port 2(bridge_slave_1) entered blocking state [ 593.910881] bridge0: port 2(bridge_slave_1) entered forwarding state [ 593.917599] bridge0: port 1(bridge_slave_0) entered blocking state [ 593.924004] bridge0: port 1(bridge_slave_0) entered forwarding state [ 593.931576] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 593.977093] bridge0: port 2(bridge_slave_1) entered blocking state [ 593.983522] bridge0: port 2(bridge_slave_1) entered forwarding state [ 593.990128] bridge0: port 1(bridge_slave_0) entered blocking state [ 593.996526] bridge0: port 1(bridge_slave_0) entered forwarding state [ 594.003626] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 594.012958] bridge0: port 2(bridge_slave_1) entered blocking state [ 594.019307] bridge0: port 2(bridge_slave_1) entered forwarding state [ 594.025935] bridge0: port 1(bridge_slave_0) entered blocking state [ 594.032297] bridge0: port 1(bridge_slave_0) entered forwarding state [ 594.041433] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 594.323323] device bridge_slave_1 left promiscuous mode [ 594.328837] bridge0: port 2(bridge_slave_1) entered disabled state [ 594.402807] device bridge_slave_0 left promiscuous mode [ 594.408268] bridge0: port 1(bridge_slave_0) entered disabled state [ 594.472983] device bridge_slave_1 left promiscuous mode [ 594.478437] bridge0: port 2(bridge_slave_1) entered disabled state [ 594.512527] device bridge_slave_0 left promiscuous mode [ 594.517970] bridge0: port 1(bridge_slave_0) entered disabled state [ 594.612283] team0 (unregistering): Port device team_slave_1 removed [ 594.623154] team0 (unregistering): Port device team_slave_0 removed [ 594.633462] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 594.665718] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 594.751115] bond0 (unregistering): Released all slaves [ 594.816482] team0 (unregistering): Port device team_slave_1 removed [ 594.827962] team0 (unregistering): Port device team_slave_0 removed [ 594.837496] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 594.865735] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 594.940058] bond0 (unregistering): Released all slaves [ 595.036425] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 595.050458] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 595.058529] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 596.370643] 8021q: adding VLAN 0 to HW filter on device bond0 [ 596.462467] 8021q: adding VLAN 0 to HW filter on device bond0 [ 596.546285] 8021q: adding VLAN 0 to HW filter on device bond0 [ 596.574542] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 596.651110] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 596.687390] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 596.798270] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 596.804611] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 596.814337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 596.876096] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 596.882388] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 596.890493] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 596.901584] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 596.914268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 596.921320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 596.995666] 8021q: adding VLAN 0 to HW filter on device team0 [ 597.069425] 8021q: adding VLAN 0 to HW filter on device team0 [ 597.103216] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/11 18:35:53 executed programs: 1702 2018/12/11 18:35:58 executed programs: 2056 [ 607.223723] udevd invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=-1000 [ 607.237621] udevd cpuset=/ mems_allowed=0 [ 607.256472] CPU: 1 PID: 3715 Comm: udevd Not tainted 4.20.0-rc6+ #151 [ 607.263084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 607.272455] Call Trace: [ 607.275058] dump_stack+0x244/0x39d [ 607.278704] ? dump_stack_print_info.cold.1+0x20/0x20 [ 607.283911] ? mark_held_locks+0x130/0x130 [ 607.288282] ? mark_held_locks+0x130/0x130 [ 607.292529] dump_header+0x27b/0xf72 [ 607.296269] ? pagefault_out_of_memory+0x197/0x197 [ 607.301213] ? mark_held_locks+0x130/0x130 [ 607.305458] ? __lock_acquire+0x62f/0x4c20 [ 607.309706] ? print_usage_bug+0xc0/0xc0 [ 607.313784] ? zap_class+0x640/0x640 [ 607.317506] ? print_usage_bug+0xc0/0xc0 [ 607.321574] ? print_usage_bug+0xc0/0xc0 [ 607.325653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 607.331200] ? find_held_lock+0x36/0x1c0 [ 607.335282] ? mark_held_locks+0xc7/0x130 [ 607.339437] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 607.344543] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 607.349651] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 607.354247] ? trace_hardirqs_on+0xbd/0x310 [ 607.358577] ? kasan_check_read+0x11/0x20 [ 607.362737] ? ___ratelimit+0x3b4/0x672 [ 607.366736] ? trace_hardirqs_off_caller+0x310/0x310 [ 607.371849] ? trace_hardirqs_on+0x310/0x310 [ 607.376265] ? lock_downgrade+0x900/0x900 [ 607.380424] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 607.385541] ? ___ratelimit+0x3b9/0x672 [ 607.389528] ? idr_get_free+0xf70/0xf70 [ 607.393515] ? kasan_check_read+0x11/0x20 [ 607.397669] ? do_raw_spin_unlock+0xa7/0x330 [ 607.402111] oom_kill_process.cold.27+0x10/0x903 [ 607.406876] ? zap_class+0x640/0x640 [ 607.410596] ? _raw_spin_unlock+0x2c/0x50 [ 607.414748] ? oom_badness+0xe6/0xaa0 [ 607.418564] ? oom_evaluate_task+0x540/0x540 [ 607.422976] ? find_held_lock+0x36/0x1c0 [ 607.427028] ? out_of_memory+0x974/0x1430 [ 607.431178] ? lock_downgrade+0x900/0x900 [ 607.435323] ? check_preemption_disabled+0x48/0x280 [ 607.440357] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 607.445270] ? kasan_check_read+0x11/0x20 [ 607.449403] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 607.454662] ? rcu_softirq_qs+0x20/0x20 [ 607.458621] ? kasan_check_write+0x14/0x20 [ 607.462840] ? oom_evaluate_task+0x302/0x540 [ 607.467233] out_of_memory+0xa84/0x1430 [ 607.471194] ? oom_killer_disable+0x3a0/0x3a0 [ 607.475673] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 607.480592] ? __ww_mutex_check_waiters+0x160/0x160 [ 607.485602] __alloc_pages_slowpath+0x232c/0x2de0 [ 607.490448] ? warn_alloc+0x120/0x120 [ 607.494236] ? mark_held_locks+0x130/0x130 [ 607.498465] ? warn_alloc+0x120/0x120 [ 607.502254] ? print_usage_bug+0xc0/0xc0 [ 607.506302] ? find_get_entries_tag+0x1400/0x1400 [ 607.511138] ? print_usage_bug+0xc0/0xc0 [ 607.515183] ? alloc_set_pte+0x1447/0x1f40 [ 607.519404] ? print_usage_bug+0xc0/0xc0 [ 607.523455] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 607.528977] ? should_fail+0x22d/0xd01 [ 607.532892] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 607.537998] ? zap_class+0x640/0x640 [ 607.541709] ? find_held_lock+0x36/0x1c0 [ 607.545764] ? find_held_lock+0x36/0x1c0 [ 607.549808] ? lock_release+0xa00/0xa00 [ 607.553766] ? perf_trace_sched_process_exec+0x860/0x860 [ 607.559200] ? check_preemption_disabled+0x48/0x280 [ 607.564204] ? __might_sleep+0x95/0x190 [ 607.568169] __alloc_pages_nodemask+0xad8/0xea0 [ 607.572824] ? zap_class+0x640/0x640 [ 607.576533] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 607.581564] ? find_held_lock+0x36/0x1c0 [ 607.585630] ? cache_grow_begin+0x65/0x8c0 [ 607.589851] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 607.594417] ? trace_hardirqs_on+0xbd/0x310 [ 607.598725] ? fallback_alloc+0x204/0x2e0 [ 607.602871] ? trace_hardirqs_off_caller+0x310/0x310 [ 607.607963] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 607.613487] cache_grow_begin+0xa5/0x8c0 [ 607.617533] ? do_raw_spin_unlock+0xa7/0x330 [ 607.621932] fallback_alloc+0x204/0x2e0 [ 607.625892] ____cache_alloc_node+0x1c7/0x1e0 [ 607.630375] kmem_cache_alloc+0x1f8/0x730 [ 607.634508] ? kasan_check_read+0x11/0x20 [ 607.638660] getname_flags+0xd0/0x590 [ 607.642449] user_path_at_empty+0x2d/0x50 [ 607.646586] do_readlinkat+0x156/0x410 [ 607.650462] ? __do_compat_sys_newfstat+0x100/0x100 [ 607.655466] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 607.660053] ? trace_hardirqs_on+0xbd/0x310 [ 607.664368] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 607.669716] ? trace_hardirqs_off_caller+0x310/0x310 [ 607.674806] __x64_sys_readlink+0x78/0xb0 [ 607.678942] do_syscall_64+0x1b9/0x820 [ 607.682829] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 607.688180] ? syscall_return_slowpath+0x5e0/0x5e0 [ 607.693093] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 607.697920] ? trace_hardirqs_on_caller+0x310/0x310 [ 607.702923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 607.708442] ? prepare_exit_to_usermode+0x291/0x3b0 [ 607.713445] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 607.718283] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 607.723481] RIP: 0033:0x7f2d82532577 [ 607.727190] Code: Bad RIP value. [ 607.730541] RSP: 002b:00007ffe861b2a78 EFLAGS: 00000206 ORIG_RAX: 0000000000000059 [ 607.738235] RAX: ffffffffffffffda RBX: 000000000074d030 RCX: 00007f2d82532577 [ 607.745489] RDX: 00000000000003fc RSI: 00007ffe861b2ea4 RDI: 00007ffe861b2aa0 [ 607.752741] RBP: 00000000000003fc R08: 000000000074d0f0 R09: 00007f2d825871d0 [ 607.759995] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 607.767252] R13: 0000000000000000 R14: 0000000000780130 R15: 000000000074d030 [ 607.780620] Mem-Info: [ 607.783156] active_anon:5783 inactive_anon:190 isolated_anon:0 [ 607.783156] active_file:32 inactive_file:23 isolated_file:31 [ 607.783156] unevictable:0 dirty:2 writeback:0 unstable:0 [ 607.783156] slab_reclaimable:13582 slab_unreclaimable:1494018 [ 607.783156] mapped:2 shmem:245 pagetables:481 bounce:0 [ 607.783156] free:24425 free_pcp:336 free_cma:0 [ 607.816092] Node 0 active_anon:23132kB inactive_anon:760kB active_file:528kB inactive_file:1020kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1008kB dirty:8kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 607.843962] 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 [ 607.870508] lowmem_reserve[]: 0 2818 6321 6321 [ 607.875148] Node 0 DMA32 free:43864kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 607.904129] lowmem_reserve[]: 0 0 3503 3503 [ 607.909367] Node 0 Normal free:38056kB min:37364kB low:46704kB high:56044kB active_anon:23132kB inactive_anon:760kB active_file:632kB inactive_file:876kB unevictable:0kB writepending:8kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:1924kB bounce:0kB free_pcp:68kB local_pcp:0kB free_cma:0kB [ 607.938998] lowmem_reserve[]: 0 0 0 0 [ 607.943850] 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 [ 607.964528] Node 0 DMA32: 4*4kB (ME) 25*8kB (UM) 38*16kB (UME) 27*32kB (UME) 19*64kB (UME) 8*128kB (UM) 6*256kB (UME) 3*512kB (ME) 4*1024kB (ME) 4*2048kB (UME) 6*4096kB (M) = 43864kB [ 607.981945] Node 0 Normal: 578*4kB (MEH) 867*8kB (MEH) 402*16kB (UMEH) 181*32kB (UMEH) 79*64kB (UMEH) 49*128kB (UMEH) 18*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 37408kB [ 607.998899] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 608.008785] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 608.018777] 640 total pagecache pages [ 608.022654] 0 pages in swap cache [ 608.026117] Swap cache stats: add 0, delete 0, find 0/0 [ 608.034070] Free swap = 0kB [ 608.037970] Total swap = 0kB [ 608.041108] 1965979 pages RAM [ 608.044290] 0 pages HighMem/MovableOnly [ 608.048261] 342853 pages reserved [ 608.051743] 0 pages cma reserved [ 608.055295] Unreclaimable slab info: [ 608.059010] Name Used Total [ 608.064587] pid_2 111KB 156KB [ 608.069984] TIPC 10KB 21KB [ 608.075388] SCTPv6 14KB 24KB [ 608.080740] DCCPv6 17KB 29KB [ 608.086222] DCCP 16KB 27KB [ 608.091607] bridge_fdb_cache 11KB 19KB [ 608.097064] fib6_nodes 90KB 120KB [ 608.102472] ip6_dst_cache 145KB 255KB [ 608.107842] RAWv6 79KB 91KB [ 608.113253] UDPv6 3KB 3KB [ 608.118634] TCPv6 23KB 29KB [ 608.124085] nf_conntrack 0KB 3KB [ 608.129480] sd_ext_cdb 0KB 3KB [ 608.134908] scsi_sense_cache 1056KB 1060KB [ 608.140280] virtio_scsi_cmd 16KB 16KB [ 608.145722] sgpool-128 8KB 8KB [ 608.151092] sgpool-64 4KB 6KB [ 608.156508] sgpool-32 2KB 7KB [ 608.162788] sgpool-16 1KB 3KB [ 608.168165] sgpool-8 0KB 3KB [ 608.173582] mqueue_inode_cache 10KB 21KB [ 608.179046] bio_post_read_ctx 14KB 15KB [ 608.184486] bio-2 14KB 15KB [ 608.189855] jfs_mp 7KB 7KB [ 608.195284] nfs_commit_data 3KB 7KB [ 608.200653] nfs_write_data 32KB 32KB [ 608.206089] ext4_system_zone 0KB 3KB [ 608.211466] bio-1 1KB 3KB [ 608.216875] pid_namespace 2KB 11KB [ 608.222299] rpc_buffers 17KB 19KB [ 608.227669] rpc_tasks 2KB 3KB [ 608.233094] UNIX 14KB 36KB [ 608.238553] tcp_bind_bucket 1KB 4KB [ 608.243966] ip_fib_trie 13KB 19KB [ 608.249352] ip_fib_alias 59KB 79KB [ 608.254858] ip_dst_cache 1KB 8KB [ 608.260226] RAW 44KB 71KB [ 608.265669] UDP 16KB 39KB [ 608.271043] TCP 5KB 5KB [ 608.276458] hugetlbfs_inode_cache 2KB 7KB [ 608.282209] fscache_cookie_jar 1KB 7KB [ 608.287674] eventpoll_pwq 41KB 43KB [ 608.293983] eventpoll_epi 82KB 82KB [ 608.299357] inotify_inode_mark 82KB 82KB [ 608.304853] request_queue 164KB 164KB [ 608.310222] blkdev_ioc 23KB 30KB [ 608.315641] bio-0 543KB 543KB [ 608.321016] biovec-max 1575KB 1575KB [ 608.326426] biovec-64 283KB 283KB [ 608.331832] biovec-16 101KB 112KB [ 608.337201] bio_integrity_payload 1KB 3KB [ 608.342967] khugepaged_mm_slot 0KB 3KB [ 608.348438] dmaengine-unmap-256 2KB 6KB [ 608.354028] dmaengine-unmap-128 1KB 3KB [ 608.359569] dmaengine-unmap-16 0KB 4KB [ 608.365067] dmaengine-unmap-2 0KB 3KB [ 608.370440] skbuff_fclone_cache 3KB 15KB [ 608.376020] skbuff_head_cache 660KB 1837KB [ 608.381376] configfs_dir_cache 0KB 4KB [ 608.386842] file_lock_cache 0KB 3KB [ 608.392243] file_lock_ctx 0KB 3KB [ 608.397605] fsnotify_mark_connector 43KB 51KB [ 608.403533] net_namespace 51KB 69KB [ 608.408911] shmem_inode_cache 5777KB 5777KB [ 608.414393] task_delay_info 207KB 453KB [ 608.419769] proc_dir_entry 645KB 701KB [ 608.426610] pde_opener 0KB 3KB [ 608.432033] seq_file 319KB 362KB [ 608.437405] sigqueue 79KB 189KB [ 608.442813] kernfs_node_cache 11534KB 11670KB [ 608.448179] mnt_cache 97KB 128KB [ 608.453688] filp 4531KB 6532KB [ 608.459056] names_cache 128758KB 128758KB [ 608.464462] iint_cache 33KB 67KB [ 608.469841] hashtab_node 118KB 119KB [ 608.475263] ebitmap_node 1536KB 1555KB [ 608.480632] avtab_node 1012KB 1013KB [ 608.486053] avc_node 43KB 47KB [ 608.491424] selinux_file_security 337KB 561KB [ 608.497176] selinux_inode_security 3497KB 3652KB [ 608.503017] key_jar 3KB 7KB [ 608.508397] uts_namespace 2KB 11KB [ 608.520539] nsproxy 1KB 7KB [ 608.526714] vm_area_struct 7924KB 12293KB [ 608.532153] mm_struct 1277KB 2561KB [ 608.537521] fs_cache 221KB 440KB [ 608.542928] files_cache 561KB 948KB [ 608.548304] signal_cache 909KB 1811KB [ 608.554609] sighand_cache 518KB 527KB [ 608.559969] task_struct 3434KB 3465KB [ 608.565395] cred_jar 772KB 2072KB [ 608.570770] anon_vma_chain 4976KB 6225KB [ 608.576258] anon_vma 243KB 373KB [ 608.581619] pid 80KB 288KB [ 608.587067] Acpi-Operand 106KB 162KB [ 608.592449] Acpi-Namespace 19KB 23KB [ 608.597795] numa_policy 0KB 3KB [ 608.603187] debug_objects_cache 816KB 1106KB [ 608.608727] trace_event_file 260KB 262KB [ 608.614121] ftrace_event_field 376KB 381KB [ 608.619574] pool_workqueue 88KB 104KB [ 608.624989] task_group 5KB 7KB [ 608.630352] page->ptl 1383KB 2846KB [ 608.635773] kmalloc-4M 5545984KB 5545984KB [ 608.641138] kmalloc-2M 2050KB 2050KB [ 608.649616] kmalloc-512k 2056KB 2056KB [ 608.656746] kmalloc-256k 1290KB 1290KB [ 608.663015] kmalloc-128k 650KB 650KB [ 608.668891] kmalloc-64k 330KB 330KB [ 608.675278] kmalloc-32k 1485KB 1782KB [ 608.681455] kmalloc-16k 462KB 610KB [ 608.688584] kmalloc-8k 1864KB 1938KB [ 608.696157] kmalloc-4k 17314KB 17352KB [ 608.702469] kmalloc-2k 6551KB 7720KB [ 608.707856] kmalloc-1k 4547KB 5890KB [ 608.713288] kmalloc-512 3451KB 5535KB [ 608.718657] kmalloc-256 2887KB 3618KB [ 608.724069] kmalloc-128 1068KB 1090KB [ 608.729438] kmalloc-96 1856KB 2368KB [ 608.734856] kmalloc-64 3729KB 3756KB [ 608.740229] kmalloc-32 3087KB 3106KB [ 608.745642] kmalloc-192 782KB 972KB [ 608.751017] kmem_cache 221KB 225KB [ 608.756451] Out of memory: Kill process 12486 (syz-executor4) score 999 or sacrifice child [ 608.767634] udevd invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=-1000 [ 608.779151] udevd cpuset=/ mems_allowed=0 [ 608.783379] CPU: 1 PID: 3715 Comm: udevd Not tainted 4.20.0-rc6+ #151 [ 608.789959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 608.799319] Call Trace: [ 608.801924] dump_stack+0x244/0x39d [ 608.805564] ? dump_stack_print_info.cold.1+0x20/0x20 [ 608.810770] ? mark_held_locks+0x130/0x130 [ 608.815008] ? mark_held_locks+0x130/0x130 [ 608.819258] dump_header+0x27b/0xf72 [ 608.822982] ? pagefault_out_of_memory+0x197/0x197 [ 608.827902] ? __lock_acquire+0x62f/0x4c20 [ 608.832126] ? print_usage_bug+0xc0/0xc0 [ 608.836174] ? zap_class+0x640/0x640 [ 608.839880] ? print_usage_bug+0xc0/0xc0 [ 608.843927] ? print_usage_bug+0xc0/0xc0 [ 608.847980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 608.853503] ? find_held_lock+0x36/0x1c0 [ 608.857550] ? mark_held_locks+0xc7/0x130 [ 608.861682] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 608.866766] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 608.871855] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 608.876422] ? trace_hardirqs_on+0xbd/0x310 [ 608.880730] ? kasan_check_read+0x11/0x20 [ 608.884864] ? ___ratelimit+0x3b4/0x672 [ 608.888998] ? trace_hardirqs_off_caller+0x310/0x310 [ 608.894088] ? trace_hardirqs_on+0x310/0x310 [ 608.898499] ? lock_downgrade+0x900/0x900 [ 608.902635] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 608.907725] ? ___ratelimit+0x3b9/0x672 [ 608.911685] ? idr_get_free+0xf70/0xf70 [ 608.915646] ? kasan_check_read+0x11/0x20 [ 608.919780] ? do_raw_spin_unlock+0xa7/0x330 [ 608.924178] oom_kill_process.cold.27+0x10/0x903 [ 608.928922] ? zap_class+0x640/0x640 [ 608.932637] ? _raw_spin_unlock+0x2c/0x50 [ 608.937176] ? oom_badness+0xe6/0xaa0 [ 608.940977] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 608.945893] ? kasan_check_read+0x11/0x20 [ 608.950027] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 608.955288] ? oom_evaluate_task+0x540/0x540 [ 608.959681] ? find_held_lock+0x36/0x1c0 [ 608.963731] ? out_of_memory+0x974/0x1430 [ 608.967868] ? lock_downgrade+0x900/0x900 [ 608.972003] ? check_preemption_disabled+0x48/0x280 [ 608.977005] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 608.981922] ? kasan_check_read+0x11/0x20 [ 608.986055] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 608.991315] ? rcu_softirq_qs+0x20/0x20 [ 608.995280] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 609.000820] ? oom_evaluate_task+0x302/0x540 [ 609.005218] out_of_memory+0xa84/0x1430 [ 609.009183] ? oom_killer_disable+0x3a0/0x3a0 [ 609.013692] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 609.018610] ? __ww_mutex_check_waiters+0x160/0x160 [ 609.023617] __alloc_pages_slowpath+0x232c/0x2de0 [ 609.028461] ? warn_alloc+0x120/0x120 [ 609.032248] ? mark_held_locks+0x130/0x130 [ 609.036476] ? warn_alloc+0x120/0x120 [ 609.040261] ? print_usage_bug+0xc0/0xc0 [ 609.044557] ? find_get_entries_tag+0x1400/0x1400 [ 609.049385] ? print_usage_bug+0xc0/0xc0 [ 609.053437] ? alloc_set_pte+0x1447/0x1f40 [ 609.057662] ? print_usage_bug+0xc0/0xc0 [ 609.061710] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 609.067250] ? should_fail+0x22d/0xd01 [ 609.071122] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 609.076210] ? zap_class+0x640/0x640 [ 609.079916] ? find_held_lock+0x36/0x1c0 [ 609.083974] ? find_held_lock+0x36/0x1c0 [ 609.088019] ? lock_release+0xa00/0xa00 [ 609.091978] ? perf_trace_sched_process_exec+0x860/0x860 [ 609.097414] ? check_preemption_disabled+0x48/0x280 [ 609.102421] ? __might_sleep+0x95/0x190 [ 609.106381] __alloc_pages_nodemask+0xad8/0xea0 [ 609.111035] ? zap_class+0x640/0x640 [ 609.114736] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 609.119743] ? find_held_lock+0x36/0x1c0 [ 609.123791] ? cache_grow_begin+0x65/0x8c0 [ 609.128013] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 609.132583] ? trace_hardirqs_on+0xbd/0x310 [ 609.136978] ? fallback_alloc+0x204/0x2e0 [ 609.141110] ? trace_hardirqs_off_caller+0x310/0x310 [ 609.146206] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 609.151733] cache_grow_begin+0xa5/0x8c0 [ 609.155798] ? do_raw_spin_unlock+0xa7/0x330 [ 609.160205] fallback_alloc+0x204/0x2e0 [ 609.164169] ____cache_alloc_node+0x1c7/0x1e0 [ 609.168660] kmem_cache_alloc+0x1f8/0x730 [ 609.172814] ? kasan_check_read+0x11/0x20 [ 609.176957] getname_flags+0xd0/0x590 [ 609.180745] user_path_at_empty+0x2d/0x50 [ 609.184879] do_readlinkat+0x156/0x410 [ 609.188755] ? __do_compat_sys_newfstat+0x100/0x100 [ 609.193758] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 609.198328] ? trace_hardirqs_on+0xbd/0x310 [ 609.202636] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 609.207989] ? trace_hardirqs_off_caller+0x310/0x310 [ 609.213447] __x64_sys_readlink+0x78/0xb0 [ 609.217583] do_syscall_64+0x1b9/0x820 [ 609.221457] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 609.226807] ? syscall_return_slowpath+0x5e0/0x5e0 [ 609.231719] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 609.236549] ? trace_hardirqs_on_caller+0x310/0x310 [ 609.241557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 609.247079] ? prepare_exit_to_usermode+0x291/0x3b0 [ 609.252087] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 609.256946] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 609.262124] RIP: 0033:0x7f2d82532577 [ 609.265842] Code: Bad RIP value. [ 609.269195] RSP: 002b:00007ffe861b2a78 EFLAGS: 00000206 ORIG_RAX: 0000000000000059 [ 609.276899] RAX: ffffffffffffffda RBX: 000000000074d030 RCX: 00007f2d82532577 [ 609.284172] RDX: 00000000000003fc RSI: 00007ffe861b2ea4 RDI: 00007ffe861b2aa0 [ 609.291425] RBP: 00000000000003fc R08: 000000000074d0f0 R09: 00007f2d825871d0 [ 609.298695] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 609.305952] R13: 0000000000000000 R14: 0000000000780130 R15: 000000000074d030 [ 609.315364] Mem-Info: [ 609.317799] active_anon:5792 inactive_anon:190 isolated_anon:0 [ 609.317799] active_file:11 inactive_file:0 isolated_file:0 [ 609.317799] unevictable:0 dirty:0 writeback:5 unstable:0 [ 609.317799] slab_reclaimable:13579 slab_unreclaimable:1494048 [ 609.317799] mapped:0 shmem:245 pagetables:475 bounce:0 [ 609.317799] free:24598 free_pcp:0 free_cma:0 [ 609.350205] Node 0 active_anon:23168kB inactive_anon:760kB active_file:444kB inactive_file:404kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:464kB dirty:0kB writeback:20kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 609.377419] 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 [ 609.403622] lowmem_reserve[]: 0 2818 6321 6321 [ 609.408230] Node 0 DMA32 free:43864kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 609.435496] lowmem_reserve[]: 0 0 3503 3503 [ 609.439851] Node 0 Normal free:37556kB min:37364kB low:46704kB high:56044kB active_anon:23168kB inactive_anon:760kB active_file:312kB inactive_file:116kB unevictable:0kB writepending:20kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:1900kB bounce:0kB free_pcp:712kB local_pcp:0kB free_cma:0kB [ 609.469812] lowmem_reserve[]: 0 0 0 0 [ 609.473729] 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 [ 609.487487] Node 0 DMA32: 4*4kB (ME) 25*8kB (UM) 38*16kB (UME) 27*32kB (UME) 19*64kB (UME) 8*128kB (UM) 6*256kB (UME) 3*512kB (ME) 4*1024kB (ME) 4*2048kB (UME) 6*4096kB (M) = 43864kB [ 609.504098] Node 0 Normal: 603*4kB (MEH) 888*8kB (UMEH) 408*16kB (UMEH) 181*32kB (UMEH) 82*64kB (UMEH) 49*128kB (UMEH) 18*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 37964kB [ 609.520212] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 609.529107] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 609.539714] 494 total pagecache pages [ 609.544719] 0 pages in swap cache [ 609.548778] Swap cache stats: add 0, delete 0, find 0/0 [ 609.555260] Free swap = 0kB [ 609.559386] Total swap = 0kB [ 609.562651] 1965979 pages RAM [ 609.566699] 0 pages HighMem/MovableOnly [ 609.572711] 342853 pages reserved [ 609.576177] 0 pages cma reserved [ 609.579634] Unreclaimable slab info: [ 609.584720] Name Used Total [ 609.590382] pid_2 111KB 156KB [ 609.618251] TIPC 10KB 21KB [ 609.640167] SCTPv6 14KB 24KB [ 609.653801] DCCPv6 17KB 29KB [ 609.660969] DCCP 16KB 27KB [ 609.671330] bridge_fdb_cache 11KB 19KB [ 609.677535] fib6_nodes 90KB 120KB [ 609.683815] ip6_dst_cache 145KB 255KB [ 609.690151] RAWv6 79KB 91KB [ 609.697313] UDPv6 3KB 3KB [ 609.703283] TCPv6 23KB 29KB [ 609.709261] nf_conntrack 0KB 3KB [ 609.722755] sd_ext_cdb 0KB 3KB [ 609.729220] scsi_sense_cache 1056KB 1060KB [ 609.735468] virtio_scsi_cmd 16KB 16KB [ 609.740851] sgpool-128 8KB 8KB [ 609.746255] sgpool-64 4KB 6KB [ 609.751710] sgpool-32 2KB 7KB [ 609.757116] sgpool-16 1KB 3KB [ 609.762570] sgpool-8 0KB 3KB [ 609.767946] mqueue_inode_cache 10KB 21KB [ 609.773435] bio_post_read_ctx 14KB 15KB [ 609.778833] bio-2 14KB 15KB [ 609.784230] jfs_mp 7KB 7KB [ 609.789613] nfs_commit_data 3KB 7KB [ 609.795014] nfs_write_data 32KB 32KB [ 609.800403] ext4_system_zone 0KB 3KB [ 609.805816] bio-1 1KB 3KB [ 609.811186] pid_namespace 2KB 11KB [ 609.816595] rpc_buffers 17KB 19KB [ 609.821995] rpc_tasks 2KB 3KB [ 609.827366] UNIX 14KB 36KB [ 609.832772] tcp_bind_bucket 1KB 4KB [ 609.838151] ip_fib_trie 13KB 19KB [ 609.843583] ip_fib_alias 59KB 79KB [ 609.848954] ip_dst_cache 1KB 8KB [ 609.855287] RAW 44KB 71KB [ 609.860687] UDP 16KB 39KB [ 609.866461] TCP 5KB 5KB [ 609.871935] hugetlbfs_inode_cache 2KB 7KB [ 609.877652] fscache_cookie_jar 1KB 7KB [ 609.883151] eventpoll_pwq 41KB 43KB [ 609.888522] eventpoll_epi 82KB 82KB [ 609.898461] inotify_inode_mark 82KB 82KB [ 609.904024] request_queue 164KB 164KB [ 609.909394] blkdev_ioc 23KB 30KB [ 609.914800] bio-0 720KB 720KB [ 609.920169] biovec-max 1575KB 1575KB [ 609.932757] biovec-64 283KB 283KB [ 609.941289] biovec-16 142KB 142KB [ 609.946800] bio_integrity_payload 1KB 3KB [ 609.952559] khugepaged_mm_slot 0KB 3KB [ 609.958020] dmaengine-unmap-256 2KB 6KB [ 609.964575] dmaengine-unmap-128 1KB 3KB [ 609.970184] dmaengine-unmap-16 0KB 4KB [ 609.975768] dmaengine-unmap-2 0KB 3KB [ 609.981143] skbuff_fclone_cache 3KB 15KB [ 609.987645] skbuff_head_cache 660KB 1837KB [ 609.993069] configfs_dir_cache 0KB 4KB [ 609.998531] file_lock_cache 0KB 3KB [ 610.003940] file_lock_ctx 0KB 3KB [ 610.009312] fsnotify_mark_connector 43KB 51KB [ 610.015248] net_namespace 51KB 69KB [ 610.020615] shmem_inode_cache 5777KB 5777KB [ 610.026021] task_delay_info 207KB 453KB [ 610.031390] proc_dir_entry 645KB 701KB [ 610.036793] pde_opener 0KB 3KB [ 610.042201] seq_file 319KB 362KB [ 610.047571] sigqueue 79KB 189KB [ 610.052976] kernfs_node_cache 11534KB 11670KB [ 610.058345] mnt_cache 97KB 128KB [ 610.063779] filp 4531KB 6532KB [ 610.069149] names_cache 128758KB 128758KB [ 610.074553] iint_cache 33KB 67KB [ 610.079924] hashtab_node 118KB 119KB [ 610.085531] ebitmap_node 1536KB 1555KB [ 610.090906] avtab_node 1012KB 1013KB [ 610.096330] avc_node 43KB 47KB [ 610.101697] selinux_file_security 337KB 561KB [ 610.107454] selinux_inode_security 3497KB 3652KB [ 610.114179] key_jar 3KB 7KB [ 610.119555] uts_namespace 2KB 11KB [ 610.124960] nsproxy 1KB 7KB [ 610.130336] vm_area_struct 7924KB 12293KB [ 610.135760] mm_struct 1277KB 2561KB [ 610.141136] fs_cache 221KB 440KB [ 610.146542] files_cache 561KB 948KB [ 610.151942] signal_cache 909KB 1811KB [ 610.157315] sighand_cache 518KB 527KB [ 610.162713] task_struct 3434KB 3465KB [ 610.168088] cred_jar 772KB 2072KB [ 610.173505] anon_vma_chain 4976KB 6225KB [ 610.178880] anon_vma 243KB 373KB [ 610.184295] pid 80KB 288KB [ 610.189755] Acpi-Operand 106KB 162KB [ 610.195173] Acpi-Namespace 19KB 23KB [ 610.200893] numa_policy 0KB 3KB [ 610.206336] debug_objects_cache 816KB 1106KB [ 610.211916] trace_event_file 260KB 262KB [ 610.217272] ftrace_event_field 376KB 381KB [ 610.222757] pool_workqueue 88KB 104KB [ 610.228111] task_group 5KB 7KB [ 610.233487] page->ptl 1383KB 2846KB [ 610.238847] kmalloc-4M 5545984KB 5545984KB [ 610.244697] kmalloc-2M 2050KB 2050KB [ 610.250045] kmalloc-512k 2056KB 2056KB [ 610.255435] kmalloc-256k 1290KB 1290KB [ 610.260804] kmalloc-128k 650KB 650KB [ 610.266220] kmalloc-64k 330KB 330KB [ 610.271589] kmalloc-32k 1485KB 1782KB [ 610.277000] kmalloc-16k 462KB 610KB [ 610.282405] kmalloc-8k 1864KB 1938KB [ 610.287782] kmalloc-4k 17314KB 17352KB [ 610.293191] kmalloc-2k 6551KB 7720KB [ 610.298571] kmalloc-1k 4547KB 5890KB [ 610.303982] kmalloc-512 3451KB 5535KB [ 610.309356] kmalloc-256 2887KB 3618KB [ 610.314778] kmalloc-128 1068KB 1090KB [ 610.320145] kmalloc-96 1871KB 2368KB [ 610.325560] kmalloc-64 3729KB 3756KB [ 610.330928] kmalloc-32 3087KB 3106KB [ 610.336507] kmalloc-192 782KB 972KB [ 610.341914] kmem_cache 221KB 225KB [ 610.347280] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 610.355454] Killed process 10745 (syz-executor1) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 610.371673] udevd invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=-1000 [ 610.384280] udevd cpuset=/ mems_allowed=0 [ 610.388460] CPU: 1 PID: 3715 Comm: udevd Not tainted 4.20.0-rc6+ #151 [ 610.395039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 610.404399] Call Trace: [ 610.407001] dump_stack+0x244/0x39d [ 610.410648] ? dump_stack_print_info.cold.1+0x20/0x20 [ 610.415856] ? mark_held_locks+0x130/0x130 [ 610.420108] ? mark_held_locks+0x130/0x130 [ 610.424358] dump_header+0x27b/0xf72 [ 610.428081] ? pagefault_out_of_memory+0x197/0x197 [ 610.433002] ? __lock_acquire+0x62f/0x4c20 [ 610.437222] ? print_usage_bug+0xc0/0xc0 [ 610.441269] ? zap_class+0x640/0x640 [ 610.444971] ? print_usage_bug+0xc0/0xc0 [ 610.449048] ? print_usage_bug+0xc0/0xc0 [ 610.453145] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 610.458947] ? find_held_lock+0x36/0x1c0 [ 610.463008] ? mark_held_locks+0xc7/0x130 [ 610.467146] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 610.472238] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 610.477325] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 610.481919] ? trace_hardirqs_on+0xbd/0x310 [ 610.486246] ? kasan_check_read+0x11/0x20 [ 610.490376] ? ___ratelimit+0x3b4/0x672 [ 610.494336] ? trace_hardirqs_off_caller+0x310/0x310 [ 610.499426] ? trace_hardirqs_on+0x310/0x310 [ 610.503818] ? lock_downgrade+0x900/0x900 [ 610.507954] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 610.513044] ? ___ratelimit+0x3b9/0x672 [ 610.517011] ? idr_get_free+0xf70/0xf70 [ 610.520973] ? kasan_check_read+0x11/0x20 [ 610.525120] ? do_raw_spin_unlock+0xa7/0x330 [ 610.529518] oom_kill_process.cold.27+0x10/0x903 [ 610.534347] ? zap_class+0x640/0x640 [ 610.538069] ? _raw_spin_unlock+0x2c/0x50 [ 610.542203] ? oom_badness+0xe6/0xaa0 [ 610.545988] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 610.550918] ? kasan_check_read+0x11/0x20 [ 610.555487] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 610.560767] ? oom_evaluate_task+0x540/0x540 [ 610.565163] ? find_held_lock+0x36/0x1c0 [ 610.569211] ? out_of_memory+0x974/0x1430 [ 610.573347] ? lock_downgrade+0x900/0x900 [ 610.577483] ? check_preemption_disabled+0x48/0x280 [ 610.582484] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 610.587398] ? kasan_check_read+0x11/0x20 [ 610.591528] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 610.596787] ? rcu_softirq_qs+0x20/0x20 [ 610.600750] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 610.606291] ? oom_evaluate_task+0x302/0x540 [ 610.610864] out_of_memory+0xa84/0x1430 [ 610.614860] ? oom_killer_disable+0x3a0/0x3a0 [ 610.619348] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 610.624271] ? __ww_mutex_check_waiters+0x160/0x160 [ 610.629281] __alloc_pages_slowpath+0x232c/0x2de0 [ 610.634129] ? warn_alloc+0x120/0x120 [ 610.637917] ? mark_held_locks+0x130/0x130 [ 610.642146] ? warn_alloc+0x120/0x120 [ 610.645932] ? print_usage_bug+0xc0/0xc0 [ 610.649981] ? find_get_entries_tag+0x1400/0x1400 [ 610.654807] ? print_usage_bug+0xc0/0xc0 [ 610.658857] ? alloc_set_pte+0x1447/0x1f40 [ 610.663080] ? print_usage_bug+0xc0/0xc0 [ 610.667133] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 610.672654] ? should_fail+0x22d/0xd01 [ 610.676530] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 610.681616] ? zap_class+0x640/0x640 [ 610.685344] ? find_held_lock+0x36/0x1c0 [ 610.689397] ? find_held_lock+0x36/0x1c0 [ 610.693442] ? lock_release+0xa00/0xa00 [ 610.697401] ? perf_trace_sched_process_exec+0x860/0x860 [ 610.702838] ? check_preemption_disabled+0x48/0x280 [ 610.707843] ? __might_sleep+0x95/0x190 [ 610.711827] __alloc_pages_nodemask+0xad8/0xea0 [ 610.716488] ? zap_class+0x640/0x640 [ 610.720216] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 610.725223] ? find_held_lock+0x36/0x1c0 [ 610.729286] ? cache_grow_begin+0x65/0x8c0 [ 610.733525] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 610.738092] ? trace_hardirqs_on+0xbd/0x310 [ 610.742398] ? fallback_alloc+0x204/0x2e0 [ 610.746538] ? trace_hardirqs_off_caller+0x310/0x310 [ 610.751630] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 610.757154] cache_grow_begin+0xa5/0x8c0 [ 610.761203] ? do_raw_spin_unlock+0xa7/0x330 [ 610.765607] fallback_alloc+0x204/0x2e0 [ 610.769572] ____cache_alloc_node+0x1c7/0x1e0 [ 610.774058] kmem_cache_alloc+0x1f8/0x730 [ 610.778191] ? kasan_check_read+0x11/0x20 [ 610.782336] getname_flags+0xd0/0x590 [ 610.786126] user_path_at_empty+0x2d/0x50 [ 610.790260] do_readlinkat+0x156/0x410 [ 610.794137] ? __do_compat_sys_newfstat+0x100/0x100 [ 610.799145] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 610.803729] ? trace_hardirqs_on+0xbd/0x310 [ 610.808051] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 610.813400] ? trace_hardirqs_off_caller+0x310/0x310 [ 610.818491] __x64_sys_readlink+0x78/0xb0 [ 610.822628] do_syscall_64+0x1b9/0x820 [ 610.826498] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 610.831846] ? syscall_return_slowpath+0x5e0/0x5e0 [ 610.836758] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 610.841588] ? trace_hardirqs_on_caller+0x310/0x310 [ 610.846589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 610.852113] ? prepare_exit_to_usermode+0x291/0x3b0 [ 610.857117] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 610.861946] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 610.867136] RIP: 0033:0x7f2d82532577 [ 610.870847] Code: Bad RIP value. [ 610.874194] RSP: 002b:00007ffe861b2a78 EFLAGS: 00000206 ORIG_RAX: 0000000000000059 [ 610.881886] RAX: ffffffffffffffda RBX: 000000000074d030 RCX: 00007f2d82532577 [ 610.889140] RDX: 00000000000003fc RSI: 00007ffe861b2ea4 RDI: 00007ffe861b2aa0 [ 610.896394] RBP: 00000000000003fc R08: 000000000074d0f0 R09: 00007f2d825871d0 [ 610.903650] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000003 [ 610.910906] R13: 0000000000000000 R14: 0000000000780130 R15: 000000000074d030 [ 610.919935] Mem-Info: [ 610.927036] active_anon:5766 inactive_anon:190 isolated_anon:0 [ 610.927036] active_file:18 inactive_file:30 isolated_file:0 [ 610.927036] unevictable:0 dirty:0 writeback:0 unstable:0 [ 610.927036] slab_reclaimable:13560 slab_unreclaimable:1494038 [ 610.927036] mapped:17 shmem:245 pagetables:467 bounce:0 [ 610.927036] free:24695 free_pcp:55 free_cma:0 [ 610.976438] Node 0 active_anon:23068kB inactive_anon:760kB active_file:144kB inactive_file:228kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:216kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 611.030984] 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 [ 611.059166] lowmem_reserve[]: 0 2818 6321 6321 [ 611.081872] Node 0 DMA32 free:43864kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 611.123815] lowmem_reserve[]: 0 0 3503 3503 [ 611.129378] Node 0 Normal free:135012kB min:37364kB low:46704kB high:56044kB active_anon:23068kB inactive_anon:760kB active_file:648kB inactive_file:1688kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7008kB pagetables:1872kB bounce:0kB free_pcp:996kB local_pcp:540kB free_cma:0kB [ 611.180885] lowmem_reserve[]: 0 0 0 0 [ 611.191912] 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 [ 611.258958] Node 0 DMA32: 4*4kB (ME) 25*8kB (UM) 38*16kB (UME) 27*32kB (UME) 19*64kB (UME) 8*128kB (UM) 6*256kB (UME) 3*512kB (ME) 4*1024kB (ME) 4*2048kB (UME) 49*4096kB (UM) = 219992kB [ 611.277263] Node 0 Normal: 145*4kB (UEH) 889*8kB (UMEH) 450*16kB (UMEH) 204*32kB (UMEH) 125*64kB (UMEH) 66*128kB (UMEH) 24*256kB (UM) 6*512kB (U) 1*1024kB (U) 0*2048kB 42*4096kB (U) = 220140kB [ 611.294742] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 611.303664] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 611.312351] 1568 total pagecache pages [ 611.316251] 0 pages in swap cache [ 611.320701] Swap cache stats: add 0, delete 0, find 0/0 [ 611.327538] Free swap = 0kB [ 611.330566] Total swap = 0kB [ 611.333701] 1965979 pages RAM [ 611.336814] 0 pages HighMem/MovableOnly [ 611.340827] 342853 pages reserved [ 611.344415] 0 pages cma reserved [ 611.347781] Unreclaimable slab info: [ 611.347788] Name Used Total 2018/12/11 18:36:07 executed programs: 2281 [ 611.347812] pid_2 105KB 156KB [ 611.347859] TIPC 10KB 21KB [ 611.347875] SCTPv6 14KB 24KB [ 611.347889] DCCPv6 17KB 29KB [ 611.347900] DCCP 16KB 27KB [ 611.347922] bridge_fdb_cache 11KB 19KB [ 611.362907] fib6_nodes 86KB 120KB [ 611.373743] ip6_dst_cache 145KB 255KB [ 611.416091] RAWv6 71KB 91KB [ 611.421586] UDPv6 3KB 3KB [ 611.446185] TCPv6 23KB 29KB [ 611.460803] nf_conntrack 0KB 3KB 2018/12/11 18:36:07 result: failed=false hanged=false err=executor 1: failed to write control pipe: write |1: broken pipe net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 611.476558] sd_ext_cdb 0KB 3KB [ 611.486678] scsi_sense_cache 1056KB 1060KB [ 611.497493] virtio_scsi_cmd 16KB 16KB [ 611.515280] sgpool-128 8KB 8KB [ 611.525369] sgpool-64 4KB 6KB [ 611.542039] sgpool-32 2KB 7KB [ 611.550313] sgpool-16 1KB 3KB [ 611.550381] IPVS: ftp: loaded support on port[0] = 21 [ 611.565184] sgpool-8 0KB 3KB [ 611.584477] mqueue_inode_cache 21KB 21KB [ 611.610688] bio_post_read_ctx 14KB 15KB [ 611.616593] bio-2 14KB 15KB [ 611.622621] jfs_mp 7KB 7KB [ 611.628006] nfs_commit_data 3KB 7KB [ 611.634705] nfs_write_data 32KB 32KB [ 611.640099] ext4_system_zone 0KB 3KB [ 611.647281] bio-1 1KB 3KB [ 611.652771] pid_namespace 7KB 11KB [ 611.658314] rpc_buffers 17KB 19KB [ 611.658325] rpc_tasks 2KB 3KB [ 611.669104] UNIX 14KB 36KB [ 611.674537] tcp_bind_bucket 1KB 4KB [ 611.674551] ip_fib_trie 12KB 19KB [ 611.674561] ip_fib_alias 57KB 79KB [ 611.674570] ip_dst_cache 1KB 8KB [ 611.674581] RAW 58KB 71KB [ 611.674589] UDP 35KB 39KB [ 611.674600] TCP 5KB 5KB [ 611.674610] hugetlbfs_inode_cache 2KB 7KB [ 611.674619] fscache_cookie_jar 1KB 7KB [ 611.674630] eventpoll_pwq 37KB 43KB [ 611.674640] eventpoll_epi 73KB 82KB [ 611.674649] inotify_inode_mark 73KB 82KB [ 611.674661] request_queue 164KB 164KB [ 611.674672] blkdev_ioc 17KB 30KB [ 611.685572] bio-0 896KB 896KB [ 611.696114] biovec-max 1584KB 1584KB [ 611.696125] biovec-64 385KB 385KB [ 611.696136] biovec-16 180KB 180KB [ 611.706859] bio_integrity_payload 1KB 3KB [ 611.718726] khugepaged_mm_slot 0KB 3KB [ 611.728829] dmaengine-unmap-256 2KB 6KB [ 611.739703] dmaengine-unmap-128 1KB 3KB [ 611.750453] dmaengine-unmap-16 0KB 4KB [ 611.761195] dmaengine-unmap-2 0KB 3KB [ 611.771986] skbuff_fclone_cache 11KB 15KB [ 611.771995] skbuff_head_cache 660KB 1837KB [ 611.772005] configfs_dir_cache 0KB 4KB [ 611.772019] file_lock_cache 0KB 3KB [ 611.783264] file_lock_ctx 0KB 3KB [ 611.794364] fsnotify_mark_connector 41KB 51KB [ 611.805113] net_namespace 69KB 69KB [ 611.805125] shmem_inode_cache 5769KB 5777KB [ 611.816022] task_delay_info 198KB 453KB [ 611.826857] proc_dir_entry 638KB 693KB [ 611.838022] pde_opener 0KB 3KB [ 611.865944] seq_file 313KB 362KB [ 611.871321] sigqueue 77KB 189KB [ 611.876750] kernfs_node_cache 11515KB 11662KB [ 611.876764] mnt_cache 99KB 116KB [ 611.876772] filp 4501KB 6532KB [ 611.876779] names_cache 127844KB 127844KB [ 611.876787] iint_cache 27KB 67KB [ 611.876794] hashtab_node 118KB 119KB [ 611.876801] ebitmap_node 1533KB 1555KB [ 611.876809] avtab_node 1012KB 1013KB [ 611.876819] avc_node 43KB 47KB [ 611.876827] selinux_file_security 337KB 561KB [ 611.876835] selinux_inode_security 3509KB 3652KB [ 611.876842] key_jar 3KB 7KB [ 611.887856] uts_namespace 10KB 11KB [ 611.898612] nsproxy 7KB 7KB [ 611.909383] vm_area_struct 7706KB 12266KB [ 611.920126] mm_struct 1261KB 2548KB [ 611.931214] fs_cache 209KB 440KB [ 611.942436] files_cache 540KB 933KB [ 611.942446] signal_cache 895KB 1804KB [ 611.942455] sighand_cache 501KB 527KB [ 611.942466] task_struct 3384KB 3440KB [ 611.953197] cred_jar 760KB 2064KB [ 611.953209] anon_vma_chain 4835KB 6225KB [ 611.963950] anon_vma 237KB 373KB [ 611.963963] pid 74KB 288KB [ 611.974696] Acpi-Operand 106KB 162KB [ 611.974713] Acpi-Namespace 19KB 23KB [ 611.974725] numa_policy 0KB 3KB [ 611.985537] debug_objects_cache 814KB 1106KB [ 611.997055] trace_event_file 260KB 262KB [ 612.006913] ftrace_event_field 376KB 381KB [ 612.006921] pool_workqueue 103KB 104KB [ 612.006930] task_group 5KB 7KB [ 612.006947] page->ptl 1365KB 2846KB [ 612.006979] kmalloc-4M 5279744KB 5279744KB [ 612.006990] kmalloc-2M 2050KB 2050KB [ 612.017778] kmalloc-512k 2056KB 2056KB [ 612.028543] kmalloc-256k 1290KB 1290KB [ 612.039429] kmalloc-128k 650KB 650KB [ 612.050318] kmalloc-64k 330KB 330KB [ 612.061078] kmalloc-32k 1353KB 1650KB [ 612.071905] kmalloc-16k 478KB 561KB [ 612.082613] kmalloc-8k 1864KB 1905KB [ 612.082626] kmalloc-4k 17153KB 17153KB [ 612.093367] kmalloc-2k 6530KB 7701KB [ 612.093379] kmalloc-1k 4574KB 5890KB [ 612.104100] kmalloc-512 3451KB 5535KB [ 612.114824] kmalloc-256 2884KB 3618KB [ 612.114833] kmalloc-128 1059KB 1090KB [ 612.114840] kmalloc-96 1923KB 2368KB [ 612.114847] kmalloc-64 3729KB 3756KB [ 612.114855] kmalloc-32 3081KB 3106KB [ 612.114862] kmalloc-192 770KB 972KB [ 612.114870] kmem_cache 221KB 225KB [ 612.114880] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 612.114955] Killed process 12504 (syz-executor1) total-vm:37444kB, anon-rss:64kB, file-rss:832kB, shmem-rss:0kB 2018/12/11 18:36:08 result: failed=false hanged=false err=executor 1: EOF [ 612.380627] IPVS: ftp: loaded support on port[0] = 21 [ 612.442335] device bridge_slave_1 left promiscuous mode [ 612.447883] bridge0: port 2(bridge_slave_1) entered disabled state [ 612.544581] device bridge_slave_0 left promiscuous mode [ 612.561455] bridge0: port 1(bridge_slave_0) entered disabled state [ 612.655206] team0 (unregistering): Port device team_slave_1 removed [ 612.666265] team0 (unregistering): Port device team_slave_0 removed [ 612.677841] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 612.745933] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 612.830606] bond0 (unregistering): Released all slaves [ 613.515394] bridge0: port 1(bridge_slave_0) entered blocking state [ 613.521949] bridge0: port 1(bridge_slave_0) entered disabled state [ 613.529283] device bridge_slave_0 entered promiscuous mode [ 613.558431] bridge0: port 2(bridge_slave_1) entered blocking state [ 613.565147] bridge0: port 2(bridge_slave_1) entered disabled state [ 613.572771] device bridge_slave_1 entered promiscuous mode [ 613.599290] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 613.625610] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 613.706692] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 613.739031] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 613.865714] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 613.873241] team0: Port device team_slave_0 added [ 613.899491] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 613.907326] team0: Port device team_slave_1 added [ 613.933888] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 613.940753] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 613.950543] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 613.970904] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 613.978901] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 613.989528] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 614.013803] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 614.020877] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 614.029580] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 614.044841] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 614.052425] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 614.060251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 614.250323] bridge0: port 2(bridge_slave_1) entered blocking state [ 614.256707] bridge0: port 2(bridge_slave_1) entered forwarding state [ 614.263396] bridge0: port 1(bridge_slave_0) entered blocking state [ 614.269819] bridge0: port 1(bridge_slave_0) entered forwarding state [ 614.277979] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 614.852956] 8021q: adding VLAN 0 to HW filter on device bond0 [ 614.908076] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 614.961502] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 614.967754] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 614.975056] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 614.982880] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 615.032848] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/11 18:36:12 executed programs: 2364 [ 617.585342] syz-executor0 invoked oom-killer: gfp_mask=0x6002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 617.602014] syz-executor0 cpuset=syz0 mems_allowed=0 [ 617.612064] CPU: 1 PID: 12928 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #151 [ 617.619448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 617.628820] Call Trace: [ 617.631421] dump_stack+0x244/0x39d [ 617.635163] ? dump_stack_print_info.cold.1+0x20/0x20 [ 617.640368] dump_header+0x27b/0xf72 [ 617.644101] ? mark_held_locks+0x130/0x130 [ 617.648348] ? pagefault_out_of_memory+0x197/0x197 [ 617.653289] ? mark_held_locks+0x130/0x130 [ 617.657536] ? __lock_acquire+0x62f/0x4c20 [ 617.661787] ? print_usage_bug+0xc0/0xc0 [ 617.665861] ? zap_class+0x640/0x640 [ 617.669584] ? print_usage_bug+0xc0/0xc0 [ 617.673652] ? print_usage_bug+0xc0/0xc0 [ 617.677732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 617.683282] ? find_held_lock+0x36/0x1c0 [ 617.687353] ? mark_held_locks+0xc7/0x130 [ 617.691510] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 617.696617] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 617.701726] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 617.706315] ? trace_hardirqs_on+0xbd/0x310 [ 617.710627] ? kasan_check_read+0x11/0x20 [ 617.714762] ? ___ratelimit+0x3b4/0x672 [ 617.718724] ? trace_hardirqs_off_caller+0x310/0x310 [ 617.723815] ? trace_hardirqs_on+0x310/0x310 [ 617.728221] ? lock_downgrade+0x900/0x900 [ 617.732370] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 617.737462] ? ___ratelimit+0x3b9/0x672 [ 617.741433] ? idr_get_free+0xf70/0xf70 [ 617.745396] ? kasan_check_read+0x11/0x20 [ 617.749532] ? do_raw_spin_unlock+0xa7/0x330 [ 617.753936] oom_kill_process.cold.27+0x10/0x903 [ 617.758685] ? zap_class+0x640/0x640 [ 617.762388] ? _raw_spin_unlock+0x2c/0x50 [ 617.766522] ? oom_badness+0xe6/0xaa0 [ 617.770312] ? oom_evaluate_task+0x540/0x540 [ 617.774711] ? find_held_lock+0x36/0x1c0 [ 617.778767] ? out_of_memory+0x974/0x1430 [ 617.782905] ? lock_downgrade+0x900/0x900 [ 617.787043] ? check_preemption_disabled+0x48/0x280 [ 617.792048] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 617.796966] ? kasan_check_read+0x11/0x20 [ 617.801103] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 617.806380] ? rcu_softirq_qs+0x20/0x20 [ 617.810358] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 617.815360] ? oom_evaluate_task+0x302/0x540 [ 617.819780] out_of_memory+0xa84/0x1430 [ 617.823751] ? oom_killer_disable+0x3a0/0x3a0 [ 617.828239] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 617.833157] ? __ww_mutex_check_waiters+0x160/0x160 [ 617.838170] __alloc_pages_slowpath+0x232c/0x2de0 [ 617.843013] ? warn_alloc+0x120/0x120 [ 617.846805] ? mark_held_locks+0x130/0x130 [ 617.851038] ? warn_alloc+0x120/0x120 [ 617.854848] ? find_held_lock+0x36/0x1c0 [ 617.858906] ? print_usage_bug+0xc0/0xc0 [ 617.862954] ? should_fail+0x22d/0xd01 [ 617.866837] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 617.871950] ? zap_class+0x640/0x640 [ 617.875651] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 617.880572] ? kasan_check_read+0x11/0x20 [ 617.884714] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 617.890245] ? should_fail+0x22d/0xd01 [ 617.894134] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 617.899231] ? zap_class+0x640/0x640 [ 617.902938] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 617.907518] ? retint_kernel+0x2d/0x2d [ 617.911398] ? trace_hardirqs_on_caller+0xc0/0x310 [ 617.916316] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 617.921066] ? __lock_is_held+0xb5/0x140 [ 617.925124] ? check_preemption_disabled+0x48/0x280 [ 617.930130] ? lock_release+0xa00/0xa00 [ 617.934097] ? perf_trace_sched_process_exec+0x860/0x860 [ 617.939534] ? __lock_is_held+0xb5/0x140 [ 617.943591] ? __might_sleep+0x95/0x190 [ 617.947560] __alloc_pages_nodemask+0xad8/0xea0 [ 617.952223] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 617.957234] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 617.962239] ? zap_class+0x640/0x640 [ 617.965956] ? __insert_vmap_area+0x550/0x550 [ 617.970444] ? __lock_is_held+0xb5/0x140 [ 617.974511] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 617.980045] alloc_pages_current+0x173/0x350 [ 617.984458] __vmalloc_node_range+0x498/0x750 [ 617.988950] ? newary+0x244/0xb40 [ 617.992390] __vmalloc_node_flags_caller+0x75/0x90 [ 617.997311] ? newary+0x244/0xb40 [ 618.000757] kvmalloc_node+0xd7/0xf0 [ 618.004471] newary+0x244/0xb40 [ 618.007741] ? semctl_stat+0x5f0/0x5f0 [ 618.011630] ? lock_acquire+0x1ed/0x520 [ 618.015592] ? ipcget+0x125/0x11b0 [ 618.019122] ? lock_release+0xa00/0xa00 [ 618.023081] ? perf_trace_sched_process_exec+0x860/0x860 [ 618.028520] ? ipcget+0x85d/0x11b0 [ 618.032059] ? down_write+0x8a/0x130 [ 618.035758] ? ipcget+0x125/0x11b0 [ 618.039298] ? down_read+0x120/0x120 [ 618.043005] ipcget+0x15d/0x11b0 [ 618.046365] ? find_held_lock+0x36/0x1c0 [ 618.050423] ? ipc_obtain_object_check+0xc0/0xc0 [ 618.055176] ? lock_release+0xa00/0xa00 [ 618.059141] ? perf_trace_sched_process_exec+0x860/0x860 [ 618.064579] ? posix_ktime_get_ts+0x15/0x20 [ 618.068888] ? trace_hardirqs_off_caller+0x310/0x310 [ 618.073981] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 618.078899] ? kasan_check_read+0x11/0x20 [ 618.083043] ? kasan_check_read+0x11/0x20 [ 618.087185] ? _copy_to_user+0xc8/0x110 [ 618.091169] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 618.096783] ? put_timespec64+0x10f/0x1b0 [ 618.100922] ? nsecs_to_jiffies+0x30/0x30 [ 618.105065] ksys_semget+0x1c0/0x280 [ 618.108766] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 618.113338] ? sem_exit_ns+0x40/0x40 [ 618.117043] ? trace_hardirqs_off_caller+0x310/0x310 [ 618.122138] __x64_sys_semget+0x73/0xb0 [ 618.126120] do_syscall_64+0x1b9/0x820 [ 618.129996] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 618.135349] ? syscall_return_slowpath+0x5e0/0x5e0 [ 618.140265] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 618.145098] ? trace_hardirqs_on_caller+0x310/0x310 [ 618.150101] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 618.155106] ? prepare_exit_to_usermode+0x291/0x3b0 [ 618.160113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 618.164948] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 618.170126] RIP: 0033:0x457679 [ 618.173309] 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 [ 618.192200] RSP: 002b:00007ffc2020f7f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000040 [ 618.199897] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457679 [ 618.207154] RDX: 000000000000003f RSI: 0000000000004000 RDI: 0000000000000000 [ 618.214413] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 618.221680] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000eb6914 [ 618.228938] R13: 00000000004c3e0b R14: 00000000004d6bf8 R15: 00000000ffffffff [ 618.279795] Mem-Info: [ 618.284552] active_anon:5770 inactive_anon:193 isolated_anon:0 [ 618.284552] active_file:63 inactive_file:90 isolated_file:1 [ 618.284552] unevictable:0 dirty:15 writeback:0 unstable:0 [ 618.284552] slab_reclaimable:13710 slab_unreclaimable:1487498 [ 618.284552] mapped:32 shmem:245 pagetables:477 bounce:0 [ 618.284552] free:24561 free_pcp:68 free_cma:0 [ 618.324033] Node 0 active_anon:23080kB inactive_anon:772kB active_file:252kB inactive_file:356kB unevictable:0kB isolated(anon):0kB isolated(file):4kB mapped:128kB dirty:60kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 618.360339] 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 [ 618.410336] lowmem_reserve[]: 0 2818 6321 6321 [ 618.416757] Node 0 DMA32 free:43664kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 618.444129] lowmem_reserve[]: 0 0 3503 3503 [ 618.448486] Node 0 Normal free:37504kB min:37364kB low:46704kB high:56044kB active_anon:23032kB inactive_anon:772kB active_file:92kB inactive_file:592kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:1880kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 618.477303] lowmem_reserve[]: 0 0 0 0 [ 618.481114] 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 [ 618.494781] Node 0 DMA32: 4*4kB (ME) 2*8kB (M) 17*16kB (UME) 29*32kB (UME) 21*64kB (UME) 9*128kB (UM) 6*256kB (UME) 3*512kB (ME) 4*1024kB (ME) 4*2048kB (UME) 6*4096kB (M) = 43664kB [ 618.511098] Node 0 Normal: 700*4kB (UMEH) 857*8kB (UMEH) 329*16kB (UMEH) 163*32kB (UMEH) 87*64kB (UMEH) 46*128kB (UMEH) 19*256kB (UM) 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 37480kB [ 618.546811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 618.585170] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 618.620632] 374 total pagecache pages [ 618.625229] 0 pages in swap cache [ 618.628702] Swap cache stats: add 0, delete 0, find 0/0 [ 618.634158] Free swap = 0kB [ 618.637178] Total swap = 0kB [ 618.640184] 1965979 pages RAM [ 618.643337] 0 pages HighMem/MovableOnly [ 618.647322] 342853 pages reserved [ 618.650762] 0 pages cma reserved [ 618.654213] Unreclaimable slab info: [ 618.657911] Name Used Total [ 618.663937] pid_2 93KB 156KB [ 618.669310] TIPC 14KB 21KB [ 618.674689] SCTPv6 20KB 24KB [ 618.680039] DCCPv6 17KB 21KB [ 618.685415] DCCP 16KB 20KB [ 618.690770] bridge_fdb_cache 18KB 23KB [ 618.696152] fib6_nodes 97KB 120KB [ 618.701510] ip6_dst_cache 131KB 251KB [ 618.706881] RAWv6 89KB 91KB [ 618.712251] UDPv6 3KB 3KB [ 618.717598] TCPv6 26KB 29KB [ 618.722973] nf_conntrack 0KB 3KB [ 618.728335] sd_ext_cdb 0KB 3KB [ 618.735232] scsi_sense_cache 1056KB 1060KB [ 618.740590] virtio_scsi_cmd 16KB 16KB [ 618.745984] sgpool-128 8KB 8KB [ 618.757268] sgpool-64 4KB 6KB [ 618.762641] sgpool-32 2KB 7KB [ 618.767986] sgpool-16 1KB 3KB [ 618.773355] sgpool-8 0KB 3KB [ 618.778712] mqueue_inode_cache 14KB 21KB [ 618.784189] bio_post_read_ctx 14KB 15KB [ 618.789555] bio-2 14KB 15KB [ 618.795413] jfs_mp 7KB 7KB [ 618.800768] nfs_commit_data 3KB 7KB [ 618.806152] nfs_write_data 32KB 32KB [ 618.811519] ext4_system_zone 0KB 3KB [ 618.817015] bio-1 1KB 3KB [ 618.822400] pid_namespace 5KB 11KB [ 618.827767] rpc_buffers 17KB 19KB [ 618.833141] rpc_tasks 2KB 3KB [ 618.838490] UNIX 27KB 36KB [ 618.843879] tcp_bind_bucket 2KB 4KB [ 618.849228] ip_fib_trie 17KB 19KB [ 618.856002] ip_fib_alias 65KB 79KB [ 618.861382] ip_dst_cache 1KB 8KB [ 618.870720] RAW 54KB 57KB [ 618.876630] UDP 27KB 39KB [ 618.883144] TCP 5KB 5KB [ 618.888508] hugetlbfs_inode_cache 2KB 7KB [ 618.894253] fscache_cookie_jar 1KB 7KB [ 618.899705] eventpoll_pwq 41KB 43KB [ 618.905083] eventpoll_epi 69KB 82KB [ 618.910430] inotify_inode_mark 78KB 82KB [ 618.915890] request_queue 164KB 164KB [ 618.921238] blkdev_ioc 30KB 30KB [ 618.927086] bio-0 1391KB 1391KB [ 618.932483] biovec-max 1930KB 1930KB [ 618.937839] biovec-64 543KB 543KB [ 618.943228] biovec-16 255KB 255KB [ 618.948578] bio_integrity_payload 1KB 3KB [ 618.954296] khugepaged_mm_slot 0KB 3KB [ 618.959733] dmaengine-unmap-256 2KB 6KB [ 618.965295] dmaengine-unmap-128 1KB 3KB [ 618.970815] dmaengine-unmap-16 0KB 4KB [ 618.976798] dmaengine-unmap-2 0KB 3KB [ 618.982497] skbuff_fclone_cache 11KB 15KB [ 618.988031] skbuff_head_cache 1302KB 1837KB [ 618.993449] configfs_dir_cache 0KB 4KB [ 618.998893] file_lock_cache 0KB 3KB [ 619.004302] file_lock_ctx 0KB 3KB [ 619.009664] fsnotify_mark_connector 38KB 51KB [ 619.015567] net_namespace 69KB 69KB [ 619.020911] shmem_inode_cache 5593KB 5765KB [ 619.026284] task_delay_info 179KB 445KB [ 619.031630] proc_dir_entry 679KB 693KB [ 619.037003] pde_opener 0KB 3KB [ 619.042376] seq_file 298KB 354KB [ 619.048051] sigqueue 66KB 189KB [ 619.054141] kernfs_node_cache 11606KB 11631KB [ 619.059493] mnt_cache 107KB 116KB [ 619.064906] filp 4450KB 6532KB [ 619.070288] names_cache 107996KB 108001KB [ 619.075716] iint_cache 31KB 67KB [ 619.081062] hashtab_node 118KB 119KB [ 619.086433] ebitmap_node 1375KB 1555KB [ 619.091835] avtab_node 1012KB 1013KB [ 619.097209] avc_node 43KB 47KB [ 619.102785] selinux_file_security 309KB 561KB [ 619.108490] selinux_inode_security 3389KB 3652KB [ 619.114317] key_jar 3KB 7KB [ 619.119681] uts_namespace 5KB 11KB [ 619.125084] nsproxy 4KB 7KB [ 619.130431] vm_area_struct 8757KB 12251KB [ 619.136024] mm_struct 1729KB 2548KB [ 619.141373] fs_cache 185KB 432KB [ 619.146750] files_cache 540KB 933KB [ 619.152127] signal_cache 1068KB 1804KB [ 619.157471] sighand_cache 527KB 527KB [ 619.162868] task_struct 4516KB 4541KB [ 619.168224] cred_jar 910KB 2064KB [ 619.173591] anon_vma_chain 4665KB 6225KB [ 619.178935] anon_vma 237KB 373KB [ 619.184825] pid 71KB 288KB [ 619.190169] Acpi-Operand 106KB 162KB [ 619.195569] Acpi-Namespace 19KB 23KB [ 619.200926] numa_policy 0KB 3KB [ 619.206307] debug_objects_cache 972KB 1106KB [ 619.212213] trace_event_file 260KB 262KB [ 619.217569] ftrace_event_field 376KB 381KB [ 619.223153] pool_workqueue 93KB 104KB [ 619.228511] task_group 5KB 7KB [ 619.233901] page->ptl 1525KB 2846KB [ 619.239269] kmalloc-4M 5525504KB 5525504KB [ 619.244673] kmalloc-2M 2050KB 2050KB [ 619.250021] kmalloc-512k 2056KB 2056KB [ 619.255396] kmalloc-256k 1290KB 1290KB [ 619.260739] kmalloc-128k 650KB 650KB [ 619.266113] kmalloc-64k 330KB 330KB [ 619.271456] kmalloc-32k 16467KB 16467KB [ 619.276826] kmalloc-16k 1666KB 1666KB [ 619.282196] kmalloc-8k 2021KB 2021KB [ 619.287541] kmalloc-4k 17008KB 17046KB [ 619.292972] kmalloc-2k 8293KB 8293KB [ 619.298322] kmalloc-1k 5019KB 5890KB [ 619.303720] kmalloc-512 4295KB 5535KB [ 619.309076] kmalloc-256 3179KB 3618KB [ 619.314926] kmalloc-128 1059KB 1090KB [ 619.320271] kmalloc-96 1968KB 2360KB [ 619.325661] kmalloc-64 3347KB 3756KB [ 619.331019] kmalloc-32 2920KB 3106KB [ 619.336402] kmalloc-192 770KB 972KB [ 619.341765] kmem_cache 221KB 225KB [ 619.347187] Out of memory: Kill process 12918 (syz-executor1) score 999 or sacrifice child [ 619.355679] Killed process 12918 (syz-executor1) total-vm:37440kB, anon-rss:84kB, file-rss:0kB, shmem-rss:0kB [ 619.366466] oom_reaper: reaped process 12918 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 619.377587] syz-executor5 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 619.389918] syz-executor5 cpuset=syz5 mems_allowed=0 [ 619.395235] CPU: 0 PID: 10758 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #151 [ 619.402613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 619.411961] Call Trace: [ 619.414542] dump_stack+0x244/0x39d [ 619.418156] ? dump_stack_print_info.cold.1+0x20/0x20 [ 619.423340] ? mark_held_locks+0x130/0x130 [ 619.427559] ? mark_held_locks+0x130/0x130 [ 619.431785] dump_header+0x27b/0xf72 [ 619.435499] ? pagefault_out_of_memory+0x197/0x197 [ 619.440435] ? mark_held_locks+0x130/0x130 [ 619.444654] ? __lock_acquire+0x62f/0x4c20 [ 619.448876] ? percpu_ref_get_many+0x240/0x240 [ 619.453446] ? print_usage_bug+0xc0/0xc0 [ 619.457499] ? zap_class+0x640/0x640 [ 619.461202] ? print_usage_bug+0xc0/0xc0 [ 619.465244] ? print_usage_bug+0xc0/0xc0 [ 619.469290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 619.474854] ? find_held_lock+0x36/0x1c0 [ 619.478906] ? mark_held_locks+0xc7/0x130 [ 619.483037] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 619.488120] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 619.493206] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 619.497776] ? trace_hardirqs_on+0xbd/0x310 [ 619.502202] ? kasan_check_read+0x11/0x20 [ 619.506337] ? ___ratelimit+0x3b4/0x672 [ 619.510294] ? trace_hardirqs_off_caller+0x310/0x310 [ 619.515381] ? trace_hardirqs_on+0x310/0x310 [ 619.519771] ? lock_downgrade+0x900/0x900 [ 619.523906] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 619.528995] ? ___ratelimit+0x3b9/0x672 [ 619.532951] ? idr_get_free+0xf70/0xf70 [ 619.536926] ? kasan_check_read+0x11/0x20 [ 619.541071] ? do_raw_spin_unlock+0xa7/0x330 [ 619.545472] oom_kill_process.cold.27+0x10/0x903 [ 619.550227] ? zap_class+0x640/0x640 [ 619.553927] ? _raw_spin_unlock+0x2c/0x50 [ 619.558057] ? oom_badness+0xe6/0xaa0 [ 619.561846] ? oom_evaluate_task+0x540/0x540 [ 619.566255] ? find_held_lock+0x36/0x1c0 [ 619.570306] ? out_of_memory+0x974/0x1430 [ 619.574442] ? lock_downgrade+0x900/0x900 [ 619.578579] ? check_preemption_disabled+0x48/0x280 [ 619.583588] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 619.588497] ? kasan_check_read+0x11/0x20 [ 619.592630] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 619.597888] ? rcu_softirq_qs+0x20/0x20 [ 619.601848] ? kasan_check_write+0x14/0x20 [ 619.606062] ? oom_evaluate_task+0x302/0x540 [ 619.610456] out_of_memory+0xa84/0x1430 [ 619.614416] ? oom_killer_disable+0x3a0/0x3a0 [ 619.618893] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 619.623808] ? __ww_mutex_check_waiters+0x160/0x160 [ 619.628833] __alloc_pages_slowpath+0x232c/0x2de0 [ 619.633672] ? warn_alloc+0x120/0x120 [ 619.637455] ? mark_held_locks+0x130/0x130 [ 619.641675] ? warn_alloc+0x120/0x120 [ 619.645460] ? print_usage_bug+0xc0/0xc0 [ 619.649508] ? print_usage_bug+0xc0/0xc0 [ 619.653555] ? print_usage_bug+0xc0/0xc0 [ 619.657602] ? call_rcu+0xb/0x10 [ 619.660950] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 619.666471] ? should_fail+0x22d/0xd01 [ 619.670349] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 619.675440] ? zap_class+0x640/0x640 [ 619.679147] ? find_held_lock+0x36/0x1c0 [ 619.683198] ? lock_release+0xa00/0xa00 [ 619.687155] ? perf_trace_sched_process_exec+0x860/0x860 [ 619.692593] ? check_preemption_disabled+0x48/0x280 [ 619.697598] ? __might_sleep+0x95/0x190 [ 619.701565] __alloc_pages_nodemask+0xad8/0xea0 [ 619.706310] ? zap_class+0x640/0x640 [ 619.710021] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 619.715029] ? find_held_lock+0x36/0x1c0 [ 619.719078] ? cache_grow_begin+0x65/0x8c0 [ 619.723300] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 619.727874] ? trace_hardirqs_on+0xbd/0x310 [ 619.732195] ? fallback_alloc+0x204/0x2e0 [ 619.736332] ? trace_hardirqs_off_caller+0x310/0x310 [ 619.741423] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 619.746946] cache_grow_begin+0xa5/0x8c0 [ 619.750988] ? do_raw_spin_unlock+0xa7/0x330 [ 619.755382] fallback_alloc+0x204/0x2e0 [ 619.759343] ____cache_alloc_node+0x1c7/0x1e0 [ 619.763824] kmem_cache_alloc+0x1f8/0x730 [ 619.767953] ? putname+0xf7/0x130 [ 619.771390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 619.776914] getname_flags+0xd0/0x590 [ 619.780706] do_mkdirat+0xc5/0x310 [ 619.784236] ? __ia32_sys_mknod+0xb0/0xb0 [ 619.788370] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 619.793717] ? trace_hardirqs_off_caller+0x310/0x310 [ 619.798822] __x64_sys_mkdir+0x5c/0x80 [ 619.802696] do_syscall_64+0x1b9/0x820 [ 619.806571] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 619.811919] ? syscall_return_slowpath+0x5e0/0x5e0 [ 619.816832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 619.821744] ? trace_hardirqs_on_caller+0x310/0x310 [ 619.826746] ? prepare_exit_to_usermode+0x291/0x3b0 [ 619.831746] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 619.836578] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 619.841753] RIP: 0033:0x456a97 [ 619.844949] Code: Bad RIP value. [ 619.848299] RSP: 002b:00007fff60c96588 EFLAGS: 00000206 ORIG_RAX: 0000000000000053 [ 619.855989] RAX: ffffffffffffffda RBX: 0000000000096c32 RCX: 0000000000456a97 [ 619.863243] RDX: 00007fff60c965d5 RSI: 00000000000001ff RDI: 00007fff60c965d0 [ 619.870498] RBP: 0000000000000174 R08: 0000000000000000 R09: 0000000000000005 [ 619.877750] R10: 0000000000000064 R11: 0000000000000206 R12: 0000000000000005 [ 619.885001] R13: 0000000000096a1b R14: 0000000000000077 R15: 0000000000000005 [ 619.904623] Mem-Info: [ 619.907091] active_anon:5734 inactive_anon:193 isolated_anon:0 [ 619.907091] active_file:16 inactive_file:43 isolated_file:3 [ 619.907091] unevictable:0 dirty:0 writeback:0 unstable:0 [ 619.907091] slab_reclaimable:13695 slab_unreclaimable:1487481 [ 619.907091] mapped:28 shmem:245 pagetables:463 bounce:0 [ 619.907091] free:24224 free_pcp:66 free_cma:0 [ 619.943628] Node 0 active_anon:22936kB inactive_anon:772kB active_file:36kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):12kB mapped:12kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 619.970725] 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 [ 619.996889] lowmem_reserve[]: 0 2818 6321 6321 [ 620.001465] Node 0 DMA32 free:43664kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 620.029323] lowmem_reserve[]: 0 0 3503 3503 [ 620.033720] Node 0 Normal free:36904kB min:37364kB low:46704kB high:56044kB active_anon:22936kB inactive_anon:772kB active_file:60kB inactive_file:180kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7008kB pagetables:1824kB bounce:0kB free_pcp:676kB local_pcp:128kB free_cma:0kB [ 620.064169] lowmem_reserve[]: 0 0 0 0 [ 620.067990] 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 [ 620.081758] Node 0 DMA32: 4*4kB (ME) 2*8kB (M) 17*16kB (UME) 29*32kB (UME) 21*64kB (UME) 9*128kB (UM) 6*256kB (UME) 3*512kB (ME) 4*1024kB (ME) 4*2048kB (UME) 6*4096kB (M) = 43664kB [ 620.098290] Node 0 Normal: 903*4kB (UMEH) 864*8kB (MEH) 326*16kB (MEH) 162*32kB (UMEH) 89*64kB (UMEH) 45*128kB (UMEH) 19*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 37244kB [ 620.114231] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 620.123112] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 620.131671] 275 total pagecache pages [ 620.135481] 0 pages in swap cache [ 620.138917] Swap cache stats: add 0, delete 0, find 0/0 [ 620.144494] Free swap = 0kB [ 620.147515] Total swap = 0kB [ 620.150535] 1965979 pages RAM [ 620.155349] 0 pages HighMem/MovableOnly [ 620.159334] 342853 pages reserved [ 620.162824] 0 pages cma reserved [ 620.166189] Unreclaimable slab info: [ 620.169898] Name Used Total [ 620.178870] pid_2 87KB 156KB [ 620.189578] TIPC 12KB 21KB [ 620.195708] SCTPv6 18KB 24KB [ 620.201087] DCCPv6 17KB 21KB [ 620.207794] DCCP 16KB 20KB [ 620.216819] bridge_fdb_cache 15KB 23KB [ 620.227250] fib6_nodes 91KB 120KB [ 620.238404] ip6_dst_cache 131KB 251KB [ 620.248526] RAWv6 87KB 91KB [ 620.257636] UDPv6 3KB 3KB [ 620.263184] TCPv6 23KB 29KB [ 620.268561] nf_conntrack 0KB 3KB [ 620.279018] sd_ext_cdb 0KB 3KB [ 620.286728] scsi_sense_cache 1056KB 1060KB [ 620.300875] virtio_scsi_cmd 16KB 16KB [ 620.306356] sgpool-128 8KB 8KB [ 620.314057] sgpool-64 4KB 6KB [ 620.320805] sgpool-32 2KB 7KB [ 620.331475] sgpool-16 1KB 3KB [ 620.337218] sgpool-8 0KB 3KB [ 620.347248] mqueue_inode_cache 12KB 21KB [ 620.352830] bio_post_read_ctx 14KB 15KB [ 620.358223] bio-2 14KB 15KB [ 620.370442] jfs_mp 7KB 7KB [ 620.377716] nfs_commit_data 3KB 7KB [ 620.391351] nfs_write_data 32KB 32KB [ 620.396783] ext4_system_zone 0KB 3KB [ 620.411453] bio-1 1KB 3KB [ 620.423232] pid_namespace 3KB 11KB [ 620.428633] rpc_buffers 17KB 19KB [ 620.434040] rpc_tasks 2KB 3KB [ 620.439402] UNIX 25KB 36KB [ 620.445258] tcp_bind_bucket 1KB 4KB [ 620.450608] ip_fib_trie 15KB 19KB [ 620.455982] ip_fib_alias 63KB 79KB [ 620.461325] ip_dst_cache 1KB 8KB [ 620.466691] RAW 53KB 57KB [ 620.472068] UDP 19KB 39KB [ 620.477413] TCP 5KB 5KB [ 620.482781] hugetlbfs_inode_cache 2KB 7KB [ 620.488473] fscache_cookie_jar 1KB 7KB [ 620.494083] eventpoll_pwq 36KB 43KB [ 620.499431] eventpoll_epi 62KB 82KB [ 620.504827] inotify_inode_mark 69KB 82KB [ 620.510269] request_queue 164KB 164KB [ 620.515641] blkdev_ioc 27KB 30KB [ 620.520986] bio-0 1398KB 1398KB [ 620.526385] biovec-max 1930KB 1930KB [ 620.531925] biovec-64 543KB 543KB [ 620.537295] biovec-16 255KB 255KB [ 620.549312] bio_integrity_payload 1KB 3KB [ 620.577370] khugepaged_mm_slot 0KB 3KB [ 620.590447] dmaengine-unmap-256 2KB 6KB [ 620.599671] dmaengine-unmap-128 1KB 3KB [ 620.610156] dmaengine-unmap-16 0KB 4KB [ 620.635630] dmaengine-unmap-2 0KB 3KB [ 620.641055] skbuff_fclone_cache 8KB 15KB [ 620.661420] skbuff_head_cache 1302KB 1837KB [ 620.671254] configfs_dir_cache 0KB 4KB [ 620.679611] file_lock_cache 0KB 3KB [ 620.694357] file_lock_ctx 0KB 3KB [ 620.699742] fsnotify_mark_connector 35KB 51KB [ 620.725533] net_namespace 69KB 69KB [ 620.730932] shmem_inode_cache 5581KB 5765KB [ 620.737741] task_delay_info 170KB 441KB [ 620.748461] proc_dir_entry 675KB 693KB [ 620.760362] pde_opener 0KB 3KB [ 620.769232] seq_file 291KB 354KB [ 620.775967] sigqueue 61KB 189KB [ 620.781341] kernfs_node_cache 11595KB 11623KB [ 620.799495] mnt_cache 106KB 116KB [ 620.809201] filp 4436KB 6532KB [ 620.818084] names_cache 108001KB 108001KB [ 620.836622] iint_cache 27KB 67KB [ 620.849484] hashtab_node 118KB 119KB [ 620.859516] ebitmap_node 1375KB 1555KB [ 620.868295] avtab_node 1012KB 1013KB [ 620.879533] avc_node 43KB 47KB [ 620.889430] selinux_file_security 309KB 561KB [ 620.899234] selinux_inode_security 3389KB 3652KB [ 620.906880] key_jar 3KB 7KB [ 620.917239] uts_namespace 4KB 11KB [ 620.930516] nsproxy 2KB 7KB [ 620.938978] vm_area_struct 8751KB 12251KB [ 620.950848] mm_struct 1712KB 2541KB [ 620.960881] fs_cache 173KB 432KB [ 620.975663] files_cache 520KB 926KB [ 620.981036] signal_cache 1053KB 1796KB [ 620.995540] sighand_cache 504KB 527KB [ 621.000911] task_struct 4492KB 4541KB [ 621.006324] cred_jar 898KB 2064KB [ 621.011680] anon_vma_chain 4660KB 6225KB [ 621.020611] anon_vma 227KB 373KB [ 621.049881] pid 65KB 284KB [ 621.068927] Acpi-Operand 106KB 162KB [ 621.078617] Acpi-Namespace 19KB 23KB [ 621.086247] numa_policy 0KB 3KB [ 621.091625] debug_objects_cache 970KB 1106KB [ 621.111388] trace_event_file 260KB 262KB [ 621.140011] ftrace_event_field 376KB 381KB [ 621.148022] pool_workqueue 92KB 104KB [ 621.174091] task_group 5KB 7KB [ 621.179481] page->ptl 1521KB 2846KB [ 621.188659] kmalloc-4M 5525504KB 5525504KB [ 621.195206] kmalloc-2M 2050KB 2050KB [ 621.200607] kmalloc-512k 2056KB 2056KB [ 621.220436] kmalloc-256k 1290KB 1290KB [ 621.230686] kmalloc-128k 650KB 650KB [ 621.238477] kmalloc-64k 330KB 330KB [ 621.256597] kmalloc-32k 16467KB 16467KB [ 621.269880] kmalloc-16k 1666KB 1666KB [ 621.279867] kmalloc-8k 2021KB 2021KB [ 621.296400] kmalloc-4k 16991KB 17029KB [ 621.309581] kmalloc-2k 8291KB 8293KB [ 621.319311] kmalloc-1k 5019KB 5890KB [ 621.331214] kmalloc-512 4295KB 5535KB [ 621.338065] kmalloc-256 3174KB 3618KB [ 621.349073] kmalloc-128 1059KB 1090KB [ 621.364765] kmalloc-96 1968KB 2360KB [ 621.370137] kmalloc-64 3347KB 3756KB [ 621.376345] kmalloc-32 2920KB 3106KB [ 621.381719] kmalloc-192 766KB 972KB [ 621.389631] kmem_cache 221KB 225KB [ 621.399742] Out of memory: Kill process 12928 (syz-executor0) score 999 or sacrifice child [ 621.417551] Killed process 12928 (syz-executor0) total-vm:37440kB, anon-rss:80kB, file-rss:0kB, shmem-rss:0kB [ 621.427944] oom_reaper: reaped process 12928 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 621.458876] syz-executor1 invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 621.476130] syz-executor1 cpuset=syz1 mems_allowed=0 [ 621.481661] CPU: 1 PID: 12536 Comm: syz-executor1 Not tainted 4.20.0-rc6+ #151 [ 621.489012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 621.498367] Call Trace: [ 621.500964] dump_stack+0x244/0x39d [ 621.504607] ? dump_stack_print_info.cold.1+0x20/0x20 [ 621.509802] ? mark_held_locks+0x130/0x130 [ 621.514044] ? mark_held_locks+0x130/0x130 [ 621.518297] dump_header+0x27b/0xf72 [ 621.522031] ? pagefault_out_of_memory+0x197/0x197 [ 621.526971] ? __lock_acquire+0x62f/0x4c20 [ 621.531206] ? percpu_ref_get_many+0x240/0x240 [ 621.535786] ? print_usage_bug+0xc0/0xc0 [ 621.539862] ? zap_class+0x640/0x640 [ 621.543587] ? print_usage_bug+0xc0/0xc0 [ 621.547652] ? print_usage_bug+0xc0/0xc0 [ 621.551722] ? zap_class+0x640/0x640 [ 621.555450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 621.560983] ? find_held_lock+0x36/0x1c0 [ 621.565048] ? mark_held_locks+0xc7/0x130 [ 621.569202] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 621.574306] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 621.579414] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 621.584005] ? trace_hardirqs_on+0xbd/0x310 [ 621.588323] ? kasan_check_read+0x11/0x20 [ 621.592464] ? ___ratelimit+0x3b4/0x672 [ 621.596448] ? trace_hardirqs_off_caller+0x310/0x310 [ 621.601557] ? trace_hardirqs_on+0x310/0x310 [ 621.605971] ? lock_downgrade+0x900/0x900 [ 621.610127] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 621.615244] ? ___ratelimit+0x3b9/0x672 [ 621.619213] ? idr_get_free+0xf70/0xf70 [ 621.623189] ? find_held_lock+0x36/0x1c0 [ 621.627267] oom_kill_process.cold.27+0x10/0x903 [ 621.632029] ? zap_class+0x640/0x640 [ 621.635747] ? check_preemption_disabled+0x48/0x280 [ 621.640769] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 621.645876] ? kasan_check_read+0x11/0x20 [ 621.650021] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 621.655298] ? oom_evaluate_task+0x540/0x540 [ 621.659713] ? find_held_lock+0x36/0x1c0 [ 621.663786] ? out_of_memory+0x974/0x1430 [ 621.667943] ? lock_downgrade+0x900/0x900 [ 621.672097] ? check_preemption_disabled+0x48/0x280 [ 621.677122] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 621.682065] ? kasan_check_read+0x11/0x20 [ 621.686215] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 621.691543] ? rcu_softirq_qs+0x20/0x20 [ 621.695524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 621.701062] ? oom_evaluate_task+0x302/0x540 [ 621.705482] out_of_memory+0xa84/0x1430 [ 621.709475] ? oom_killer_disable+0x3a0/0x3a0 [ 621.713976] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 621.718913] ? __ww_mutex_check_waiters+0x160/0x160 [ 621.723948] __alloc_pages_slowpath+0x232c/0x2de0 [ 621.728825] ? warn_alloc+0x120/0x120 [ 621.732632] ? mark_held_locks+0x130/0x130 [ 621.736874] ? find_get_entry+0xaae/0x1120 [ 621.741128] ? filemap_map_pages+0x1a20/0x1a20 [ 621.745733] ? zap_class+0x640/0x640 [ 621.749448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 621.754989] ? check_preemption_disabled+0x48/0x280 [ 621.760015] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 621.765563] ? should_fail+0x22d/0xd01 [ 621.769462] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 621.774574] ? zap_class+0x640/0x640 [ 621.778299] ? __lock_is_held+0xb5/0x140 [ 621.782365] ? mark_held_locks+0x130/0x130 [ 621.786609] ? lock_release+0xa00/0xa00 [ 621.790594] ? perf_trace_sched_process_exec+0x860/0x860 [ 621.796052] ? xa_load+0x2ba/0x460 [ 621.799597] ? lock_downgrade+0x900/0x900 [ 621.803846] ? __might_sleep+0x95/0x190 [ 621.807835] __alloc_pages_nodemask+0xad8/0xea0 [ 621.812523] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 621.817543] ? __page_cache_alloc+0x191/0x5c0 [ 621.822044] ? xa_load+0x2e1/0x460 [ 621.825594] ? xa_clear_mark+0x40/0x40 [ 621.829487] ? up_read_non_owner+0x100/0x100 [ 621.833908] ? zap_class+0x640/0x640 [ 621.837632] ? zap_class+0x640/0x640 [ 621.841345] ? zap_class+0x640/0x640 [ 621.845066] ? __do_page_cache_readahead+0x663/0x810 [ 621.850166] ? find_held_lock+0x36/0x1c0 [ 621.854231] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 621.859770] alloc_pages_current+0x173/0x350 [ 621.864186] __page_cache_alloc+0x38c/0x5c0 [ 621.868511] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 621.873448] ? kasan_check_read+0x11/0x20 [ 621.877607] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 621.882892] ? generic_perform_write+0x6a0/0x6a0 [ 621.887659] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 621.893205] ? check_preemption_disabled+0x48/0x280 [ 621.898222] filemap_fault+0x1595/0x25f0 [ 621.902291] ? __lock_page_or_retry+0xa00/0xa00 [ 621.906964] ? mark_held_locks+0x130/0x130 [ 621.911211] ? filemap_map_pages+0xd6b/0x1a20 [ 621.915713] ? lock_downgrade+0x900/0x900 [ 621.919862] ? check_preemption_disabled+0x48/0x280 [ 621.924911] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 621.929835] ? kasan_check_read+0x11/0x20 [ 621.933979] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 621.939249] ? rcu_softirq_qs+0x20/0x20 [ 621.943235] ? filemap_map_pages+0xd92/0x1a20 [ 621.947750] ? find_get_entries_tag+0x1400/0x1400 [ 621.952623] ? lock_acquire+0x1ed/0x520 [ 621.956670] ? ext4_filemap_fault+0x7a/0xad [ 621.961009] ? lock_release+0xa00/0xa00 [ 621.964991] ? perf_trace_sched_process_exec+0x860/0x860 [ 621.970436] ? print_usage_bug+0xc0/0xc0 [ 621.974496] ? print_usage_bug+0xc0/0xc0 [ 621.978571] ? down_read+0x8d/0x120 [ 621.982200] ? ext4_filemap_fault+0x7a/0xad [ 621.986530] ? __down_interruptible+0x700/0x700 [ 621.991212] ext4_filemap_fault+0x82/0xad [ 621.995366] __do_fault+0x100/0x6b0 [ 621.998995] ? pmd_devmap_trans_unstable+0x220/0x220 [ 622.004100] ? mark_held_locks+0x130/0x130 [ 622.008350] ? mark_held_locks+0x130/0x130 [ 622.012593] ? do_raw_spin_trylock+0x270/0x270 [ 622.017286] ? lock_downgrade+0x900/0x900 [ 622.021443] ? check_preemption_disabled+0x48/0x280 [ 622.026477] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 622.032028] __handle_mm_fault+0x3ea6/0x5be0 [ 622.036455] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 622.041309] ? mntput_no_expire+0x1e6/0xc00 [ 622.045639] ? mnt_get_count+0x150/0x150 [ 622.049720] ? zap_class+0x640/0x640 [ 622.053437] ? zap_class+0x640/0x640 [ 622.057161] ? find_held_lock+0x36/0x1c0 [ 622.061226] ? handle_mm_fault+0x42a/0xc70 [ 622.065462] ? lock_downgrade+0x900/0x900 [ 622.069623] ? check_preemption_disabled+0x48/0x280 [ 622.074650] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 622.079583] ? kasan_check_read+0x11/0x20 [ 622.083739] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 622.089013] ? rcu_softirq_qs+0x20/0x20 [ 622.092991] ? trace_hardirqs_off_caller+0x310/0x310 [ 622.098104] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 622.103658] ? check_preemption_disabled+0x48/0x280 [ 622.108695] handle_mm_fault+0x54f/0xc70 [ 622.112775] ? __handle_mm_fault+0x5be0/0x5be0 [ 622.117366] ? find_vma+0x34/0x190 [ 622.120906] __do_page_fault+0x5e8/0xe60 [ 622.124960] ? trace_hardirqs_off+0xb8/0x310 [ 622.129387] do_page_fault+0xf2/0x7e0 [ 622.133196] ? vmalloc_sync_all+0x30/0x30 [ 622.137360] ? error_entry+0x70/0xd0 [ 622.141078] ? trace_hardirqs_off_caller+0xbb/0x310 [ 622.146119] ? trace_hardirqs_on_caller+0xc0/0x310 [ 622.151044] ? syscall_return_slowpath+0x5e0/0x5e0 [ 622.155971] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 622.160823] ? trace_hardirqs_on_caller+0x310/0x310 [ 622.165843] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 622.171310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 622.176855] ? prepare_exit_to_usermode+0x291/0x3b0 [ 622.181887] ? page_fault+0x8/0x30 [ 622.185435] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 622.190284] ? page_fault+0x8/0x30 [ 622.193833] page_fault+0x1e/0x30 [ 622.197296] RIP: 0033:0x412a50 [ 622.200501] Code: Bad RIP value. [ 622.203863] RSP: 002b:00007fff9c1bbe98 EFLAGS: 00010202 [ 622.209238] RAX: ffffffffffffffea RBX: 000000000009691f RCX: 000000000045a0c7 [ 622.216598] RDX: 000000000000000c RSI: 0000000000000002 RDI: 00007fff9c1bcfd0 [ 622.223878] RBP: 0000000000000108 R08: 0000000000000001 R09: 00000000014b9940 [ 622.231151] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9c1bcfd0 [ 622.238425] R13: 000000000009691b R14: 0000000000000000 R15: 0000000000000001 [ 622.250688] Mem-Info: [ 622.253238] active_anon:5734 inactive_anon:193 isolated_anon:0 [ 622.253238] active_file:6 inactive_file:15 isolated_file:0 [ 622.253238] unevictable:0 dirty:0 writeback:0 unstable:0 [ 622.253238] slab_reclaimable:13695 slab_unreclaimable:1487449 [ 622.253238] mapped:21 shmem:245 pagetables:449 bounce:0 [ 622.253238] free:24052 free_pcp:81 free_cma:0 [ 622.288572] Node 0 active_anon:22888kB inactive_anon:772kB active_file:64kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 622.316349] 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 [ 622.352363] lowmem_reserve[]: 0 2818 6321 6321 [ 622.356982] Node 0 DMA32 free:43664kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 622.386701] lowmem_reserve[]: 0 0 3503 3503 [ 622.391043] Node 0 Normal free:36936kB min:37364kB low:46704kB high:56044kB active_anon:22888kB inactive_anon:772kB active_file:64kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:1796kB bounce:0kB free_pcp:324kB local_pcp:276kB free_cma:0kB [ 622.423217] lowmem_reserve[]: 0 0 0 0 [ 622.427046] 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 [ 622.440761] Node 0 DMA32: 4*4kB (ME) 2*8kB (M) 17*16kB (UME) 29*32kB (UME) 21*64kB (UME) 9*128kB (UM) 6*256kB (UME) 3*512kB (ME) 4*1024kB (ME) 4*2048kB (UME) 6*4096kB (M) = 43664kB [ 622.457124] Node 0 Normal: 958*4kB (UMEH) 852*8kB (UMEH) 327*16kB (UMEH) 162*32kB (UMEH) 88*64kB (UMEH) 44*128kB (UMEH) 18*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36936kB [ 622.473396] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 622.482287] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 622.490860] 273 total pagecache pages [ 622.494711] 0 pages in swap cache [ 622.498169] Swap cache stats: add 0, delete 0, find 0/0 [ 622.503571] Free swap = 0kB [ 622.506582] Total swap = 0kB [ 622.509597] 1965979 pages RAM [ 622.512742] 0 pages HighMem/MovableOnly [ 622.516695] 342853 pages reserved [ 622.520178] 0 pages cma reserved [ 622.523714] Unreclaimable slab info: [ 622.527895] Name Used Total [ 622.555932] pid_2 81KB 156KB [ 622.561553] TIPC 12KB 21KB [ 622.603443] SCTPv6 18KB 24KB [ 622.630485] DCCPv6 17KB 21KB [ 622.650288] DCCP 16KB 20KB [ 622.656014] bridge_fdb_cache 15KB 23KB [ 622.661397] fib6_nodes 91KB 120KB [ 622.666880] ip6_dst_cache 128KB 251KB [ 622.672431] RAWv6 87KB 91KB [ 622.677805] UDPv6 3KB 3KB [ 622.683297] TCPv6 23KB 29KB [ 622.688682] nf_conntrack 0KB 3KB [ 622.694180] sd_ext_cdb 0KB 3KB [ 622.699547] scsi_sense_cache 1056KB 1060KB [ 622.704942] virtio_scsi_cmd 16KB 16KB [ 622.710307] sgpool-128 8KB 8KB [ 622.715727] sgpool-64 4KB 6KB [ 622.721096] sgpool-32 2KB 7KB [ 622.726516] sgpool-16 1KB 3KB [ 622.731994] sgpool-8 0KB 3KB [ 622.737368] mqueue_inode_cache 12KB 21KB [ 622.742886] bio_post_read_ctx 14KB 15KB [ 622.748282] bio-2 14KB 15KB [ 622.753734] jfs_mp 7KB 7KB [ 622.759121] nfs_commit_data 3KB 7KB [ 622.774213] nfs_write_data 32KB 32KB [ 622.779728] ext4_system_zone 0KB 3KB [ 622.785211] bio-1 1KB 3KB [ 622.790589] pid_namespace 3KB 11KB [ 622.804121] rpc_buffers 17KB 19KB [ 622.819645] rpc_tasks 2KB 3KB [ 622.825095] UNIX 25KB 36KB [ 622.839226] tcp_bind_bucket 1KB 4KB [ 622.844665] ip_fib_trie 15KB 19KB [ 622.850036] ip_fib_alias 63KB 79KB [ 622.855502] ip_dst_cache 1KB 8KB [ 622.860871] RAW 53KB 57KB [ 622.867213] UDP 19KB 39KB [ 622.873415] TCP 5KB 5KB [ 622.879468] hugetlbfs_inode_cache 2KB 7KB [ 622.885228] fscache_cookie_jar 1KB 7KB [ 622.891493] eventpoll_pwq 33KB 43KB [ 622.900055] eventpoll_epi 57KB 82KB [ 622.909766] inotify_inode_mark 64KB 82KB [ 622.915389] request_queue 164KB 164KB [ 622.920765] blkdev_ioc 26KB 30KB [ 622.926301] bio-0 1447KB 1447KB [ 622.931758] biovec-max 1930KB 1930KB [ 622.937170] biovec-64 543KB 543KB [ 622.942570] biovec-16 262KB 262KB [ 622.947934] bio_integrity_payload 1KB 3KB [ 622.953689] khugepaged_mm_slot 0KB 3KB [ 622.959268] dmaengine-unmap-256 2KB 6KB [ 622.964963] dmaengine-unmap-128 1KB 3KB [ 622.970608] dmaengine-unmap-16 0KB 4KB [ 622.976222] dmaengine-unmap-2 0KB 3KB [ 622.981686] skbuff_fclone_cache 8KB 15KB [ 622.987359] skbuff_head_cache 1302KB 1837KB [ 622.998570] configfs_dir_cache 0KB 4KB [ 623.018167] file_lock_cache 0KB 3KB [ 623.027001] file_lock_ctx 0KB 3KB [ 623.042438] fsnotify_mark_connector 32KB 51KB [ 623.048351] net_namespace 69KB 69KB [ 623.062119] shmem_inode_cache 5549KB 5765KB [ 623.067607] task_delay_info 149KB 441KB [ 623.074142] proc_dir_entry 675KB 693KB [ 623.080304] pde_opener 0KB 3KB [ 623.088462] seq_file 276KB 354KB [ 623.093970] sigqueue 59KB 189KB [ 623.099386] kernfs_node_cache 11569KB 11619KB [ 623.104768] mnt_cache 106KB 116KB [ 623.110116] filp 4402KB 6525KB [ 623.115626] names_cache 108001KB 108001KB [ 623.120982] iint_cache 27KB 67KB [ 623.126359] hashtab_node 118KB 119KB [ 623.131705] ebitmap_node 1364KB 1555KB [ 623.137103] avtab_node 1012KB 1013KB [ 623.142496] avc_node 43KB 47KB [ 623.147844] selinux_file_security 305KB 561KB [ 623.153589] selinux_inode_security 3374KB 3652KB [ 623.159380] key_jar 3KB 7KB [ 623.164760] uts_namespace 4KB 11KB [ 623.170107] nsproxy 2KB 7KB [ 623.175500] vm_area_struct 8737KB 12251KB [ 623.180864] mm_struct 1704KB 2541KB [ 623.186917] fs_cache 147KB 428KB [ 623.193341] files_cache 514KB 926KB [ 623.198788] signal_cache 1037KB 1796KB [ 623.210637] sighand_cache 492KB 527KB [ 623.228679] task_struct 4479KB 4523KB [ 623.234288] cred_jar 892KB 2064KB [ 623.239657] anon_vma_chain 4646KB 6225KB [ 623.249547] anon_vma 202KB 373KB [ 623.256043] pid 62KB 280KB [ 623.265960] Acpi-Operand 106KB 162KB [ 623.276436] Acpi-Namespace 19KB 23KB [ 623.284546] numa_policy 0KB 3KB [ 623.290037] debug_objects_cache 970KB 1106KB [ 623.295717] trace_event_file 260KB 262KB [ 623.301153] ftrace_event_field 376KB 381KB [ 623.306745] pool_workqueue 92KB 104KB [ 623.312153] task_group 5KB 7KB [ 623.317533] page->ptl 1511KB 2846KB [ 623.323058] kmalloc-4M 5525504KB 5525504KB [ 623.328554] kmalloc-2M 2050KB 2050KB [ 623.334122] kmalloc-512k 2056KB 2056KB [ 623.339490] kmalloc-256k 1290KB 1290KB [ 623.345202] kmalloc-128k 650KB 650KB [ 623.351154] kmalloc-64k 330KB 330KB [ 623.356575] kmalloc-32k 16467KB 16467KB [ 623.361979] kmalloc-16k 1666KB 1666KB [ 623.367349] kmalloc-8k 2021KB 2021KB [ 623.373891] kmalloc-4k 16983KB 17012KB [ 623.379373] kmalloc-2k 8291KB 8293KB [ 623.385827] kmalloc-1k 5019KB 5890KB [ 623.392267] kmalloc-512 4286KB 5535KB [ 623.398676] kmalloc-256 3170KB 3618KB [ 623.408165] kmalloc-128 1036KB 1090KB [ 623.424729] kmalloc-96 1976KB 2360KB [ 623.430192] kmalloc-64 3332KB 3756KB [ 623.435712] kmalloc-32 2913KB 3106KB [ 623.441315] kmalloc-192 756KB 972KB [ 623.446868] kmem_cache 221KB 225KB [ 623.452467] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 623.461755] Killed process 10757 (syz-executor2) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 623.473460] oom_reaper: reaped process 10757 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 623.486714] syz-executor0 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 623.498876] syz-executor0 cpuset=syz0 mems_allowed=0 [ 623.504922] CPU: 0 PID: 6166 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #151 [ 623.512205] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 623.521565] Call Trace: [ 623.524172] dump_stack+0x244/0x39d [ 623.527814] ? dump_stack_print_info.cold.1+0x20/0x20 [ 623.533023] ? mark_held_locks+0x130/0x130 [ 623.537269] ? mark_held_locks+0x130/0x130 [ 623.541513] dump_header+0x27b/0xf72 [ 623.545279] ? pagefault_out_of_memory+0x197/0x197 [ 623.550210] ? mark_held_locks+0x130/0x130 [ 623.554430] ? __lock_acquire+0x62f/0x4c20 [ 623.558647] ? percpu_ref_get_many+0x240/0x240 [ 623.563216] ? print_usage_bug+0xc0/0xc0 [ 623.567267] ? zap_class+0x640/0x640 [ 623.571032] ? print_usage_bug+0xc0/0xc0 [ 623.575082] ? print_usage_bug+0xc0/0xc0 [ 623.579131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 623.584655] ? find_held_lock+0x36/0x1c0 [ 623.588704] ? mark_held_locks+0xc7/0x130 [ 623.592859] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 623.597947] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 623.603034] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 623.607602] ? trace_hardirqs_on+0xbd/0x310 [ 623.611907] ? kasan_check_read+0x11/0x20 [ 623.616037] ? ___ratelimit+0x3b4/0x672 [ 623.619998] ? trace_hardirqs_off_caller+0x310/0x310 [ 623.625085] ? trace_hardirqs_on+0x310/0x310 [ 623.629479] ? lock_downgrade+0x900/0x900 [ 623.633614] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 623.638740] ? ___ratelimit+0x3b9/0x672 [ 623.642703] ? idr_get_free+0xf70/0xf70 [ 623.646659] ? kasan_check_read+0x11/0x20 [ 623.650789] ? do_raw_spin_unlock+0xa7/0x330 [ 623.655189] oom_kill_process.cold.27+0x10/0x903 [ 623.659940] ? zap_class+0x640/0x640 [ 623.663642] ? _raw_spin_unlock+0x2c/0x50 [ 623.667775] ? oom_badness+0xe6/0xaa0 [ 623.671560] ? oom_evaluate_task+0x540/0x540 [ 623.675953] ? find_held_lock+0x36/0x1c0 [ 623.680008] ? out_of_memory+0x974/0x1430 [ 623.684142] ? lock_downgrade+0x900/0x900 [ 623.688275] ? check_preemption_disabled+0x48/0x280 [ 623.693293] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 623.698205] ? kasan_check_read+0x11/0x20 [ 623.702337] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 623.707598] ? rcu_softirq_qs+0x20/0x20 [ 623.711562] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 623.717108] ? oom_evaluate_task+0x302/0x540 [ 623.721502] out_of_memory+0xa84/0x1430 [ 623.725462] ? oom_killer_disable+0x3a0/0x3a0 [ 623.729939] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 623.734856] ? __ww_mutex_check_waiters+0x160/0x160 [ 623.739860] __alloc_pages_slowpath+0x232c/0x2de0 [ 623.744703] ? warn_alloc+0x120/0x120 [ 623.748484] ? mark_held_locks+0x130/0x130 [ 623.752709] ? warn_alloc+0x120/0x120 [ 623.756493] ? print_usage_bug+0xc0/0xc0 [ 623.760543] ? check_preemption_disabled+0x48/0x280 [ 623.765543] ? print_usage_bug+0xc0/0xc0 [ 623.769587] ? kasan_check_read+0x11/0x20 [ 623.773719] ? print_usage_bug+0xc0/0xc0 [ 623.777766] ? rcu_softirq_qs+0x20/0x20 [ 623.781722] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 623.787249] ? should_fail+0x22d/0xd01 [ 623.791120] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 623.796206] ? zap_class+0x640/0x640 [ 623.799913] ? find_held_lock+0x36/0x1c0 [ 623.803965] ? lock_release+0xa00/0xa00 [ 623.807928] ? perf_trace_sched_process_exec+0x860/0x860 [ 623.813363] ? check_preemption_disabled+0x48/0x280 [ 623.818365] ? __might_sleep+0x95/0x190 [ 623.822324] __alloc_pages_nodemask+0xad8/0xea0 [ 623.826980] ? zap_class+0x640/0x640 [ 623.830696] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 623.835703] ? find_held_lock+0x36/0x1c0 [ 623.839853] ? cache_grow_begin+0x65/0x8c0 [ 623.844071] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 623.848651] ? trace_hardirqs_on+0xbd/0x310 [ 623.852955] ? fallback_alloc+0x204/0x2e0 [ 623.857095] ? trace_hardirqs_off_caller+0x310/0x310 [ 623.862196] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 623.867717] cache_grow_begin+0xa5/0x8c0 [ 623.871763] ? do_raw_spin_unlock+0xa7/0x330 [ 623.876163] fallback_alloc+0x204/0x2e0 [ 623.880123] ____cache_alloc_node+0x1c7/0x1e0 [ 623.884621] kmem_cache_alloc+0x1f8/0x730 [ 623.888763] getname_flags+0xd0/0x590 [ 623.892547] user_path_mountpoint_at+0x27/0x40 [ 623.897114] ksys_umount+0x1c5/0x12d0 [ 623.900901] ? __detach_mounts+0x430/0x430 [ 623.905122] ? lock_downgrade+0x900/0x900 [ 623.909256] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 623.914179] ? kasan_check_read+0x11/0x20 [ 623.918312] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 623.923572] ? rcu_softirq_qs+0x20/0x20 [ 623.927547] ? trace_hardirqs_off_caller+0x310/0x310 [ 623.932639] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 623.938160] ? check_preemption_disabled+0x48/0x280 [ 623.943164] ? kasan_check_write+0x14/0x20 [ 623.947382] ? up_read+0x225/0x2c0 [ 623.950905] ? up_read_non_owner+0x100/0x100 [ 623.955300] ? do_syscall_64+0x9a/0x820 [ 623.959256] ? do_syscall_64+0x9a/0x820 [ 623.963229] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 623.967794] ? trace_hardirqs_on+0xbd/0x310 [ 623.972104] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 623.977463] ? trace_hardirqs_off_caller+0x310/0x310 [ 623.982557] __x64_sys_umount+0x54/0x80 [ 623.986528] do_syscall_64+0x1b9/0x820 [ 623.990398] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 623.995749] ? syscall_return_slowpath+0x5e0/0x5e0 [ 624.000674] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 624.005505] ? trace_hardirqs_on_caller+0x310/0x310 [ 624.010509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 624.016030] ? prepare_exit_to_usermode+0x291/0x3b0 [ 624.021036] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 624.025869] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 624.031054] RIP: 0033:0x45a0c7 [ 624.034247] Code: Bad RIP value. [ 624.037592] RSP: 002b:00007ffc2020e928 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 624.045281] RAX: ffffffffffffffda RBX: 0000000000096a2d RCX: 000000000045a0c7 [ 624.052548] RDX: 000000000000000c RSI: 0000000000000002 RDI: 00007ffc2020fa60 [ 624.059803] RBP: 000000000000028c R08: 0000000000000001 R09: 0000000000eb6940 [ 624.067073] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc2020fa60 [ 624.074334] R13: 0000000000096a20 R14: 0000000000000000 R15: 0000000000000000 [ 624.084069] Mem-Info: [ 624.087575] active_anon:5710 inactive_anon:193 isolated_anon:0 [ 624.087575] active_file:14 inactive_file:47 isolated_file:0 [ 624.087575] unevictable:0 dirty:0 writeback:0 unstable:0 [ 624.087575] slab_reclaimable:13614 slab_unreclaimable:1487304 [ 624.087575] mapped:27 shmem:245 pagetables:444 bounce:0 [ 624.087575] free:24264 free_pcp:122 free_cma:0 [ 624.120672] Node 0 active_anon:22840kB inactive_anon:772kB active_file:16kB inactive_file:228kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 624.170242] 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 [ 624.197005] lowmem_reserve[]: 0 2818 6321 6321 [ 624.201924] Node 0 DMA32 free:43664kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 624.230358] lowmem_reserve[]: 0 0 3503 3503 [ 624.235036] Node 0 Normal free:37652kB min:37364kB low:46704kB high:56044kB active_anon:22840kB inactive_anon:772kB active_file:128kB inactive_file:524kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6944kB pagetables:1776kB bounce:0kB free_pcp:344kB local_pcp:152kB free_cma:0kB [ 624.264274] lowmem_reserve[]: 0 0 0 0 [ 624.268194] 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 [ 624.289274] Node 0 DMA32: 4*4kB (ME) 2*8kB (M) 17*16kB (UME) 29*32kB (UME) 21*64kB (UME) 9*128kB (UM) 6*256kB (UME) 3*512kB (ME) 4*1024kB (ME) 4*2048kB (UME) 6*4096kB (M) = 43664kB [ 624.306032] Node 0 Normal: 917*4kB (UMEH) 908*8kB (UMEH) 334*16kB (UMEH) 164*32kB (UMEH) 89*64kB (UMEH) 44*128kB (UMEH) 18*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 37460kB [ 624.323390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 624.334240] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 624.343869] 340 total pagecache pages [ 624.348459] 0 pages in swap cache [ 624.353144] Swap cache stats: add 0, delete 0, find 0/0 [ 624.360305] Free swap = 0kB [ 624.365206] Total swap = 0kB [ 624.369460] 1965979 pages RAM [ 624.374710] 0 pages HighMem/MovableOnly [ 624.383558] 342853 pages reserved [ 624.390067] 0 pages cma reserved [ 624.424307] Unreclaimable slab info: [ 624.443745] Name Used Total [ 624.479522] pid_2 81KB 156KB [ 624.485618] TIPC 12KB 21KB [ 624.501397] SCTPv6 18KB 24KB [ 624.509019] DCCPv6 17KB 21KB [ 624.527234] DCCP 16KB 20KB [ 624.533396] bridge_fdb_cache 15KB 23KB [ 624.539700] fib6_nodes 91KB 120KB [ 624.545253] ip6_dst_cache 136KB 251KB [ 624.551247] RAWv6 87KB 91KB [ 624.581690] UDPv6 3KB 3KB [ 624.587300] TCPv6 23KB 29KB [ 624.592998] nf_conntrack 0KB 3KB [ 624.599734] sd_ext_cdb 0KB 3KB [ 624.605294] scsi_sense_cache 1056KB 1060KB [ 624.610667] virtio_scsi_cmd 16KB 16KB [ 624.616248] sgpool-128 8KB 8KB [ 624.622610] sgpool-64 4KB 6KB [ 624.628075] sgpool-32 2KB 7KB [ 624.633736] sgpool-16 1KB 3KB [ 624.648497] sgpool-8 0KB 3KB [ 624.655179] mqueue_inode_cache 12KB 21KB [ 624.660645] bio_post_read_ctx 14KB 15KB [ 624.660686] bio-2 14KB 15KB [ 624.671578] jfs_mp 7KB 7KB [ 624.677151] nfs_commit_data 3KB 7KB 2018/12/11 18:36:20 executed programs: 2388 [ 624.689145] nfs_write_data 32KB 32KB [ 624.708449] ext4_system_zone 0KB 3KB [ 624.720492] bio-1 1KB 3KB [ 624.727071] pid_namespace 3KB 11KB [ 624.733787] rpc_buffers 17KB 19KB [ 624.759993] rpc_tasks 2KB 3KB [ 624.765680] UNIX 25KB 36KB 2018/12/11 18:36:20 result: failed=false hanged=false err=executor 2: failed to write control pipe: write |1: broken pipe net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 624.831894] tcp_bind_bucket 1KB 4KB [ 624.837293] ip_fib_trie 15KB 19KB [ 624.860248] ip_fib_alias 63KB 79KB [ 624.879048] ip_dst_cache 1KB 8KB [ 624.901756] RAW 64KB 64KB [ 624.904636] IPVS: ftp: loaded support on port[0] = 21 [ 624.912480] UDP 39KB 39KB [ 624.921273] TCP 5KB 5KB [ 624.926848] hugetlbfs_inode_cache 2KB 7KB [ 624.933435] fscache_cookie_jar 1KB 7KB [ 624.938897] eventpoll_pwq 33KB 43KB [ 624.949569] eventpoll_epi 57KB 82KB [ 624.955064] inotify_inode_mark 64KB 82KB [ 624.960544] request_queue 164KB 164KB [ 624.965970] blkdev_ioc 26KB 30KB [ 624.971326] bio-0 1620KB 1620KB [ 624.976788] biovec-max 1947KB 1947KB [ 624.976799] biovec-64 661KB 661KB [ 624.987556] biovec-16 292KB 292KB [ 624.992959] bio_integrity_payload 1KB 3KB [ 624.998666] khugepaged_mm_slot 0KB 3KB [ 625.004167] dmaengine-unmap-256 2KB 6KB [ 625.004177] dmaengine-unmap-128 1KB 3KB [ 625.004186] dmaengine-unmap-16 0KB 4KB [ 625.004197] dmaengine-unmap-2 0KB 3KB [ 625.015285] skbuff_fclone_cache 15KB 15KB [ 625.015294] skbuff_head_cache 1344KB 1837KB [ 625.015305] configfs_dir_cache 0KB 4KB [ 625.026118] file_lock_cache 0KB 3KB [ 625.026128] file_lock_ctx 0KB 3KB [ 625.026144] fsnotify_mark_connector 32KB 51KB [ 625.037047] net_namespace 77KB 77KB [ 625.049173] shmem_inode_cache 5549KB 5765KB [ 625.059718] task_delay_info 149KB 441KB [ 625.070505] proc_dir_entry 720KB 720KB [ 625.081275] pde_opener 0KB 3KB [ 625.086716] seq_file 276KB 354KB [ 625.092138] sigqueue 59KB 189KB [ 625.097504] kernfs_node_cache 11556KB 11611KB [ 625.102927] mnt_cache 120KB 120KB [ 625.102937] filp 4385KB 6517KB [ 625.102947] names_cache 107899KB 107899KB [ 625.102958] iint_cache 27KB 67KB [ 625.102968] hashtab_node 118KB 119KB [ 625.102978] ebitmap_node 1364KB 1555KB [ 625.102988] avtab_node 1012KB 1013KB [ 625.103001] avc_node 43KB 47KB [ 625.103011] selinux_file_security 305KB 561KB [ 625.103022] selinux_inode_security 3374KB 3652KB [ 625.113791] key_jar 3KB 7KB [ 625.113803] uts_namespace 11KB 11KB [ 625.124534] nsproxy 3KB 7KB [ 625.124544] vm_area_struct 8674KB 12239KB [ 625.124552] mm_struct 1704KB 2541KB [ 625.124560] fs_cache 147KB 428KB [ 625.124572] files_cache 514KB 926KB [ 625.135301] signal_cache 1037KB 1796KB [ 625.135311] sighand_cache 520KB 527KB [ 625.135320] task_struct 4504KB 4523KB [ 625.135329] cred_jar 892KB 2064KB [ 625.135339] anon_vma_chain 4614KB 6221KB [ 625.135348] anon_vma 216KB 373KB [ 625.135358] pid 62KB 280KB [ 625.135367] Acpi-Operand 106KB 162KB [ 625.135385] Acpi-Namespace 19KB 23KB [ 625.146114] numa_policy 0KB 3KB [ 625.157657] debug_objects_cache 970KB 1106KB [ 625.168418] trace_event_file 260KB 262KB [ 625.180002] ftrace_event_field 376KB 381KB [ 625.189973] pool_workqueue 104KB 104KB [ 625.200724] task_group 5KB 7KB [ 625.211996] page->ptl 1511KB 2846KB [ 625.212024] kmalloc-4M 5148672KB 5148672KB [ 625.222740] kmalloc-2M 2050KB 2050KB [ 625.222752] kmalloc-512k 2056KB 2056KB [ 625.222765] kmalloc-256k 1290KB 1290KB [ 625.233503] kmalloc-128k 650KB 650KB [ 625.255533] kmalloc-64k 330KB 330KB [ 625.266357] kmalloc-32k 16500KB 16500KB [ 625.266367] kmalloc-16k 1683KB 1683KB [ 625.266414] kmalloc-8k 2062KB 2062KB [ 625.299257] kmalloc-4k 17123KB 17123KB [ 625.321856] kmalloc-2k 8434KB 8434KB [ 625.331340] kmalloc-1k 5154KB 5890KB [ 625.342147] kmalloc-512 4354KB 5535KB [ 625.342157] kmalloc-256 3213KB 3618KB [ 625.342166] kmalloc-128 1036KB 1090KB [ 625.342213] kmalloc-96 2021KB 2360KB [ 625.369339] kmalloc-64 3332KB 3756KB [ 625.374927] kmalloc-32 2913KB 3106KB [ 625.380330] kmalloc-192 771KB 972KB [ 625.385753] kmem_cache 221KB 225KB [ 625.385767] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 625.399289] Killed process 12955 (syz-executor2) total-vm:37444kB, anon-rss:60kB, file-rss:788kB, shmem-rss:0kB 2018/12/11 18:36:21 result: failed=false hanged=false err=executor 2: EOF [ 625.654528] IPVS: ftp: loaded support on port[0] = 21 [ 625.842147] device bridge_slave_1 left promiscuous mode [ 625.848177] bridge0: port 2(bridge_slave_1) entered disabled state [ 625.892851] device bridge_slave_0 left promiscuous mode [ 625.898352] bridge0: port 1(bridge_slave_0) entered disabled state [ 625.953224] team0 (unregistering): Port device team_slave_1 removed [ 625.963923] team0 (unregistering): Port device team_slave_0 removed [ 625.974548] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 626.015372] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 626.070743] bond0 (unregistering): Released all slaves [ 626.396732] bridge0: port 1(bridge_slave_0) entered blocking state [ 626.403852] bridge0: port 1(bridge_slave_0) entered disabled state [ 626.411215] device bridge_slave_0 entered promiscuous mode [ 626.438163] bridge0: port 2(bridge_slave_1) entered blocking state [ 626.444664] bridge0: port 2(bridge_slave_1) entered disabled state [ 626.452472] device bridge_slave_1 entered promiscuous mode [ 626.479035] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 626.508262] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 626.589367] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 626.619489] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 626.750139] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 626.757652] team0: Port device team_slave_0 added [ 626.784126] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 626.791529] team0: Port device team_slave_1 added [ 626.819014] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 626.848236] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 626.878363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 626.909740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 627.165743] bridge0: port 2(bridge_slave_1) entered blocking state [ 627.172209] bridge0: port 2(bridge_slave_1) entered forwarding state [ 627.178872] bridge0: port 1(bridge_slave_0) entered blocking state [ 627.185284] bridge0: port 1(bridge_slave_0) entered forwarding state [ 627.192938] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 627.838702] 8021q: adding VLAN 0 to HW filter on device bond0 [ 627.894433] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 627.952743] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 627.958942] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 627.966919] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 628.020107] 8021q: adding VLAN 0 to HW filter on device team0 [ 628.152540] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready 2018/12/11 18:36:25 executed programs: 2494 [ 631.315991] syz-executor1 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 631.362022] syz-executor1 cpuset=syz1 mems_allowed=0 [ 631.367255] CPU: 0 PID: 12536 Comm: syz-executor1 Not tainted 4.20.0-rc6+ #151 [ 631.374630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 631.383987] Call Trace: [ 631.386586] dump_stack+0x244/0x39d [ 631.390227] ? dump_stack_print_info.cold.1+0x20/0x20 [ 631.395432] ? mark_held_locks+0x130/0x130 [ 631.399672] ? mark_held_locks+0x130/0x130 [ 631.403920] dump_header+0x27b/0xf72 [ 631.407654] ? pagefault_out_of_memory+0x197/0x197 [ 631.412605] ? __lock_acquire+0x62f/0x4c20 [ 631.416856] ? percpu_ref_get_many+0x240/0x240 [ 631.421447] ? print_usage_bug+0xc0/0xc0 [ 631.425516] ? zap_class+0x640/0x640 [ 631.429236] ? print_usage_bug+0xc0/0xc0 [ 631.433300] ? print_usage_bug+0xc0/0xc0 [ 631.437378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 631.442924] ? find_held_lock+0x36/0x1c0 [ 631.447004] ? mark_held_locks+0xc7/0x130 [ 631.451156] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 631.456268] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 631.461381] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 631.465973] ? trace_hardirqs_on+0xbd/0x310 [ 631.470300] ? kasan_check_read+0x11/0x20 [ 631.474455] ? ___ratelimit+0x3b4/0x672 [ 631.478438] ? trace_hardirqs_off_caller+0x310/0x310 [ 631.483549] ? trace_hardirqs_on+0x310/0x310 [ 631.487961] ? lock_downgrade+0x900/0x900 [ 631.492124] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 631.497230] ? ___ratelimit+0x3b9/0x672 [ 631.501211] ? idr_get_free+0xf70/0xf70 [ 631.505191] ? kasan_check_read+0x11/0x20 [ 631.509351] ? do_raw_spin_unlock+0xa7/0x330 [ 631.513775] oom_kill_process.cold.27+0x10/0x903 [ 631.518538] ? zap_class+0x640/0x640 [ 631.522259] ? _raw_spin_unlock+0x2c/0x50 [ 631.526409] ? oom_badness+0xe6/0xaa0 [ 631.530215] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 631.535151] ? kasan_check_read+0x11/0x20 [ 631.539304] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 631.544603] ? oom_evaluate_task+0x540/0x540 [ 631.549023] ? find_held_lock+0x36/0x1c0 [ 631.553101] ? out_of_memory+0x974/0x1430 [ 631.557258] ? lock_downgrade+0x900/0x900 [ 631.561416] ? check_preemption_disabled+0x48/0x280 [ 631.566443] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 631.571381] ? kasan_check_read+0x11/0x20 [ 631.575536] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 631.580819] ? rcu_softirq_qs+0x20/0x20 [ 631.584804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 631.590352] ? oom_evaluate_task+0x302/0x540 [ 631.594776] out_of_memory+0xa84/0x1430 [ 631.598766] ? oom_killer_disable+0x3a0/0x3a0 [ 631.603273] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 631.608487] ? __ww_mutex_check_waiters+0x160/0x160 [ 631.613521] __alloc_pages_slowpath+0x232c/0x2de0 [ 631.618397] ? warn_alloc+0x120/0x120 [ 631.622203] ? mark_held_locks+0x130/0x130 [ 631.626455] ? warn_alloc+0x120/0x120 [ 631.630262] ? print_usage_bug+0xc0/0xc0 [ 631.634350] ? print_usage_bug+0xc0/0xc0 [ 631.638422] ? print_usage_bug+0xc0/0xc0 [ 631.642496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 631.648044] ? should_fail+0x22d/0xd01 [ 631.651935] ? do_raw_spin_unlock+0xa7/0x330 [ 631.656374] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 631.661493] ? zap_class+0x640/0x640 [ 631.665234] ? find_held_lock+0x36/0x1c0 [ 631.669330] ? lock_release+0xa00/0xa00 [ 631.673312] ? perf_trace_sched_process_exec+0x860/0x860 [ 631.678776] ? check_preemption_disabled+0x48/0x280 [ 631.683810] ? __might_sleep+0x95/0x190 [ 631.687797] __alloc_pages_nodemask+0xad8/0xea0 [ 631.692477] ? zap_class+0x640/0x640 [ 631.696205] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 631.701240] ? find_held_lock+0x36/0x1c0 [ 631.705315] ? cache_grow_begin+0x65/0x8c0 [ 631.709565] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 631.714162] ? trace_hardirqs_on+0xbd/0x310 [ 631.718526] ? fallback_alloc+0x204/0x2e0 [ 631.722682] ? trace_hardirqs_off_caller+0x310/0x310 [ 631.727794] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 631.733349] cache_grow_begin+0xa5/0x8c0 [ 631.737417] ? do_raw_spin_unlock+0xa7/0x330 [ 631.741840] fallback_alloc+0x204/0x2e0 [ 631.745827] ____cache_alloc_node+0x1c7/0x1e0 [ 631.750344] kmem_cache_alloc+0x1f8/0x730 [ 631.754513] getname_flags+0xd0/0x590 [ 631.758334] user_path_mountpoint_at+0x27/0x40 [ 631.762930] ksys_umount+0x1c5/0x12d0 [ 631.766745] ? __detach_mounts+0x430/0x430 [ 631.771071] ? lock_downgrade+0x900/0x900 [ 631.775227] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 631.780166] ? kasan_check_read+0x11/0x20 [ 631.784328] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 631.789618] ? rcu_softirq_qs+0x20/0x20 [ 631.793601] ? trace_hardirqs_off_caller+0x310/0x310 [ 631.798715] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 631.804265] ? check_preemption_disabled+0x48/0x280 [ 631.809296] ? kasan_check_write+0x14/0x20 [ 631.813544] ? up_read+0x225/0x2c0 [ 631.817097] ? up_read_non_owner+0x100/0x100 [ 631.821523] ? do_syscall_64+0x9a/0x820 [ 631.825505] ? do_syscall_64+0x9a/0x820 [ 631.829494] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 631.834083] ? trace_hardirqs_on+0xbd/0x310 [ 631.838412] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 631.843787] ? trace_hardirqs_off_caller+0x310/0x310 [ 631.848908] __x64_sys_umount+0x54/0x80 [ 631.852890] do_syscall_64+0x1b9/0x820 [ 631.856791] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 631.862167] ? syscall_return_slowpath+0x5e0/0x5e0 [ 631.867099] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 631.871951] ? trace_hardirqs_on_caller+0x310/0x310 [ 631.876984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 631.882536] ? prepare_exit_to_usermode+0x291/0x3b0 [ 631.887568] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 631.892529] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 631.897726] RIP: 0033:0x45a0c7 [ 631.900942] Code: Bad RIP value. [ 631.904312] RSP: 002b:00007fff9c1bbe98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 631.912027] RAX: ffffffffffffffda RBX: 000000000009a0f2 RCX: 000000000045a0c7 [ 631.919314] RDX: 000000000000000c RSI: 0000000000000002 RDI: 00007fff9c1bcfd0 [ 631.926593] RBP: 000000000000011c R08: 0000000000000001 R09: 00000000014b9940 [ 631.933870] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9c1bcfd0 [ 631.941229] R13: 0000000000099bc2 R14: 0000000000000000 R15: 0000000000000001 [ 631.949414] Mem-Info: [ 631.951926] active_anon:5733 inactive_anon:192 isolated_anon:0 [ 631.951926] active_file:25 inactive_file:37 isolated_file:0 [ 631.951926] unevictable:0 dirty:0 writeback:0 unstable:0 [ 631.951926] slab_reclaimable:13392 slab_unreclaimable:1481636 [ 631.951926] mapped:11 shmem:245 pagetables:456 bounce:0 [ 631.951926] free:24334 free_pcp:32 free_cma:0 [ 631.985323] Node 0 active_anon:22932kB inactive_anon:768kB active_file:112kB inactive_file:184kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 632.016508] 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 [ 632.045202] lowmem_reserve[]: 0 2818 6321 6321 [ 632.049890] Node 0 DMA32 free:43660kB min:30052kB low:37564kB high:45076kB active_anon:4kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:92kB local_pcp:0kB free_cma:0kB [ 632.083019] lowmem_reserve[]: 0 0 3503 3503 [ 632.087394] Node 0 Normal free:37584kB min:37364kB low:46704kB high:56044kB active_anon:22928kB inactive_anon:768kB active_file:108kB inactive_file:176kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7008kB pagetables:1824kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 632.141884] lowmem_reserve[]: 0 0 0 0 [ 632.145737] 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 [ 632.161632] Node 0 DMA32: 10*4kB (UME) 6*8kB (ME) 5*16kB (ME) 5*32kB (UME) 5*64kB (UME) 4*128kB (UM) 4*256kB (UME) 4*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (UM) = 44168kB [ 632.178449] Node 0 Normal: 1162*4kB (UME) 871*8kB (UME) 335*16kB (UME) 148*32kB (UME) 90*64kB (UME) 39*128kB (ME) 18*256kB (M) 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 38096kB [ 632.197173] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 632.206223] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 632.215929] 355 total pagecache pages [ 632.219746] 0 pages in swap cache [ 632.223302] Swap cache stats: add 0, delete 0, find 0/0 [ 632.228670] Free swap = 0kB [ 632.231695] Total swap = 0kB [ 632.234814] 1965979 pages RAM [ 632.237919] 0 pages HighMem/MovableOnly [ 632.241984] 342853 pages reserved [ 632.245442] 0 pages cma reserved [ 632.248804] Unreclaimable slab info: [ 632.256717] Name Used Total [ 632.262352] pid_2 103KB 156KB [ 632.271542] TIPC 17KB 28KB [ 632.340199] SCTPv6 22KB 30KB [ 632.387766] DCCPv6 17KB 29KB [ 632.429093] DCCP 16KB 27KB [ 632.467439] bridge_fdb_cache 18KB 23KB [ 632.506192] fib6_nodes 113KB 120KB [ 632.511611] ip6_dst_cache 195KB 251KB [ 632.575134] RAWv6 107KB 110KB [ 632.580552] UDPv6 3KB 3KB [ 632.601898] TCPv6 23KB 29KB [ 632.607319] nf_conntrack 0KB 3KB [ 632.656885] sd_ext_cdb 0KB 3KB [ 632.690543] scsi_sense_cache 1056KB 1060KB [ 632.729497] virtio_scsi_cmd 16KB 16KB [ 632.766631] sgpool-128 8KB 8KB [ 632.796828] sgpool-64 4KB 6KB [ 632.826638] sgpool-32 2KB 7KB [ 632.870138] sgpool-16 1KB 3KB [ 632.904541] sgpool-8 0KB 3KB [ 632.909964] mqueue_inode_cache 17KB 28KB [ 632.941904] bio_post_read_ctx 14KB 15KB [ 632.947345] bio-2 14KB 15KB [ 632.989923] jfs_mp 7KB 7KB [ 633.022777] nfs_commit_data 3KB 7KB [ 633.028308] nfs_write_data 32KB 32KB [ 633.081916] ext4_system_zone 0KB 3KB [ 633.087346] bio-1 1KB 3KB [ 633.122832] pid_namespace 3KB 11KB [ 633.128248] rpc_buffers 17KB 19KB [ 633.151982] rpc_tasks 2KB 3KB [ 633.157396] UNIX 36KB 36KB [ 633.191897] tcp_bind_bucket 2KB 4KB [ 633.197382] ip_fib_trie 16KB 19KB [ 633.221918] ip_fib_alias 70KB 79KB [ 633.227336] ip_dst_cache 1KB 8KB [ 633.261941] RAW 64KB 71KB [ 633.267362] UDP 24KB 45KB [ 633.296442] TCP 5KB 5KB [ 633.319532] hugetlbfs_inode_cache 2KB 7KB [ 633.391928] fscache_cookie_jar 1KB 7KB [ 633.397441] eventpoll_pwq 39KB 43KB [ 633.451931] eventpoll_epi 69KB 82KB [ 633.457343] inotify_inode_mark 55KB 82KB [ 633.529818] request_queue 164KB 164KB [ 633.553796] blkdev_ioc 34KB 34KB [ 633.566471] bio-0 1792KB 1792KB [ 633.572124] biovec-max 1914KB 1980KB [ 633.577698] biovec-64 700KB 700KB [ 633.583416] biovec-16 311KB 311KB [ 633.588799] bio_integrity_payload 1KB 3KB [ 633.594719] khugepaged_mm_slot 0KB 3KB [ 633.600192] dmaengine-unmap-256 2KB 6KB [ 633.605793] dmaengine-unmap-128 1KB 3KB [ 633.611333] dmaengine-unmap-16 0KB 4KB [ 633.616843] dmaengine-unmap-2 0KB 3KB [ 633.622252] skbuff_fclone_cache 10KB 15KB [ 633.627889] skbuff_head_cache 2021KB 2021KB [ 633.634500] configfs_dir_cache 0KB 4KB [ 633.641067] file_lock_cache 0KB 3KB [ 633.650278] file_lock_ctx 0KB 3KB [ 633.656002] fsnotify_mark_connector 33KB 51KB [ 633.669801] net_namespace 86KB 86KB [ 633.731957] shmem_inode_cache 5274KB 5535KB [ 633.737372] task_delay_info 196KB 441KB [ 633.742981] proc_dir_entry 771KB 772KB [ 633.748355] pde_opener 0KB 3KB [ 633.753814] seq_file 226KB 350KB [ 633.759183] sigqueue 79KB 189KB [ 633.771962] kernfs_node_cache 11595KB 11647KB [ 633.777354] mnt_cache 130KB 132KB [ 633.794036] filp 4318KB 6502KB [ 633.799423] names_cache 89989KB 89989KB [ 633.831890] iint_cache 35KB 67KB [ 633.837295] hashtab_node 118KB 119KB [ 633.939725] ebitmap_node 1235KB 1555KB [ 633.971908] avtab_node 1012KB 1013KB [ 633.977340] avc_node 43KB 47KB [ 634.015794] selinux_file_security 275KB 561KB [ 634.021550] selinux_inode_security 3224KB 3652KB [ 634.099539] key_jar 3KB 7KB [ 634.138687] uts_namespace 5KB 11KB [ 634.180417] nsproxy 4KB 7KB [ 634.220699] vm_area_struct 9732KB 12224KB [ 634.258182] mm_struct 2289KB 2541KB [ 634.292821] fs_cache 192KB 428KB [ 634.298241] files_cache 717KB 926KB [ 634.331389] signal_cache 1313KB 1796KB [ 634.371892] sighand_cache 520KB 527KB [ 634.377306] task_struct 5630KB 5630KB [ 634.410432] cred_jar 1147KB 2064KB [ 634.456828] anon_vma_chain 4463KB 6217KB [ 634.491987] anon_vma 229KB 373KB [ 634.497398] pid 62KB 280KB [ 634.524672] Acpi-Operand 106KB 162KB [ 634.534077] Acpi-Namespace 19KB 23KB [ 634.550630] numa_policy 0KB 3KB [ 634.557744] debug_objects_cache 984KB 1106KB [ 634.565537] trace_event_file 260KB 262KB [ 634.574862] ftrace_event_field 376KB 381KB [ 634.583806] pool_workqueue 99KB 108KB [ 634.589988] task_group 5KB 7KB [ 634.605329] page->ptl 1676KB 2846KB [ 634.613215] kmalloc-4M 5500928KB 5500928KB [ 634.621295] kmalloc-2M 2050KB 2050KB [ 634.633593] kmalloc-512k 2056KB 2056KB [ 634.639126] kmalloc-256k 1290KB 1290KB [ 634.646670] kmalloc-128k 650KB 650KB [ 634.684765] kmalloc-64k 330KB 330KB [ 634.692913] kmalloc-32k 31713KB 31713KB [ 634.720022] kmalloc-16k 2937KB 2937KB [ 634.732849] kmalloc-8k 2244KB 2244KB [ 634.738306] kmalloc-4k 16881KB 16919KB [ 634.743771] kmalloc-2k 10263KB 10263KB [ 634.749157] kmalloc-1k 5721KB 5890KB [ 634.754715] kmalloc-512 5265KB 5535KB [ 634.760199] kmalloc-256 3500KB 3618KB [ 634.765895] kmalloc-128 1047KB 1090KB [ 634.771263] kmalloc-96 2238KB 2360KB [ 634.776721] kmalloc-64 3009KB 3744KB [ 634.782228] kmalloc-32 2811KB 3106KB [ 634.787722] kmalloc-192 837KB 972KB [ 634.793366] kmem_cache 221KB 225KB [ 634.798844] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 634.807404] Killed process 12970 (syz-executor2) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 634.818231] oom_reaper: reaped process 12970 (syz-executor2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 635.162099] blkid (13389) used greatest stack depth: 1816 bytes left 2018/12/11 18:36:31 executed programs: 2510 2018/12/11 18:36:31 result: failed=false hanged=false err=executor 2: exit status -1 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 635.431646] IPVS: ftp: loaded support on port[0] = 21 [ 635.712639] device bridge_slave_1 left promiscuous mode [ 635.718311] bridge0: port 2(bridge_slave_1) entered disabled state [ 635.763837] device bridge_slave_0 left promiscuous mode [ 635.769380] bridge0: port 1(bridge_slave_0) entered disabled state [ 635.930415] team0 (unregistering): Port device team_slave_1 removed [ 635.949223] team0 (unregistering): Port device team_slave_0 removed [ 635.973768] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 636.023776] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 636.146760] bond0 (unregistering): Released all slaves [ 636.489691] blkid (13424) used greatest stack depth: 1720 bytes left [ 637.693358] syz-execprog invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 637.706335] syz-execprog cpuset=/ mems_allowed=0 [ 637.712320] CPU: 0 PID: 6140 Comm: syz-execprog Not tainted 4.20.0-rc6+ #151 [ 637.719522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 637.728886] Call Trace: [ 637.731487] dump_stack+0x244/0x39d [ 637.735128] ? dump_stack_print_info.cold.1+0x20/0x20 [ 637.740329] ? mark_held_locks+0x130/0x130 [ 637.744567] ? mark_held_locks+0x130/0x130 [ 637.748818] dump_header+0x27b/0xf72 [ 637.752558] ? pagefault_out_of_memory+0x197/0x197 [ 637.757499] ? mark_held_locks+0x130/0x130 [ 637.761740] ? __lock_acquire+0x62f/0x4c20 [ 637.766000] ? percpu_ref_get_many+0x240/0x240 [ 637.770601] ? print_usage_bug+0xc0/0xc0 [ 637.774674] ? zap_class+0x640/0x640 [ 637.778394] ? print_usage_bug+0xc0/0xc0 [ 637.782459] ? print_usage_bug+0xc0/0xc0 [ 637.786523] ? zap_class+0x640/0x640 [ 637.790245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.795788] ? find_held_lock+0x36/0x1c0 [ 637.799868] ? mark_held_locks+0xc7/0x130 [ 637.804022] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 637.809128] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 637.814240] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 637.818836] ? trace_hardirqs_on+0xbd/0x310 [ 637.823161] ? kasan_check_read+0x11/0x20 [ 637.827310] ? ___ratelimit+0x3b4/0x672 [ 637.831288] ? trace_hardirqs_off_caller+0x310/0x310 [ 637.836395] ? trace_hardirqs_on+0x310/0x310 [ 637.840838] ? lock_downgrade+0x900/0x900 [ 637.844997] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 637.850112] ? ___ratelimit+0x3b9/0x672 [ 637.854097] ? idr_get_free+0xf70/0xf70 [ 637.858072] ? kasan_check_read+0x11/0x20 [ 637.862225] ? do_raw_spin_unlock+0xa7/0x330 [ 637.866649] oom_kill_process.cold.27+0x10/0x903 [ 637.871408] ? zap_class+0x640/0x640 [ 637.875126] ? _raw_spin_unlock+0x2c/0x50 [ 637.879281] ? oom_badness+0xe6/0xaa0 [ 637.883107] ? oom_evaluate_task+0x540/0x540 [ 637.887523] ? find_held_lock+0x36/0x1c0 [ 637.891598] ? out_of_memory+0x974/0x1430 [ 637.895752] ? lock_downgrade+0x900/0x900 [ 637.899905] ? check_preemption_disabled+0x48/0x280 [ 637.904928] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 637.909859] ? kasan_check_read+0x11/0x20 [ 637.914008] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 637.919288] ? rcu_softirq_qs+0x20/0x20 [ 637.923273] ? kasan_check_write+0x14/0x20 [ 637.927513] ? oom_evaluate_task+0x302/0x540 [ 637.931929] out_of_memory+0xa84/0x1430 [ 637.935918] ? oom_killer_disable+0x3a0/0x3a0 [ 637.940419] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 637.945357] ? __ww_mutex_check_waiters+0x160/0x160 [ 637.950390] __alloc_pages_slowpath+0x232c/0x2de0 [ 637.955264] ? warn_alloc+0x120/0x120 [ 637.959066] ? mark_held_locks+0x130/0x130 [ 637.963320] ? find_get_entry+0xaae/0x1120 [ 637.967570] ? filemap_map_pages+0x1a20/0x1a20 [ 637.972165] ? zap_class+0x640/0x640 [ 637.975894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 637.981439] ? check_preemption_disabled+0x48/0x280 [ 637.986563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 637.992109] ? should_fail+0x22d/0xd01 [ 637.996014] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 638.001123] ? zap_class+0x640/0x640 [ 638.004870] ? __lock_is_held+0xb5/0x140 [ 638.008946] ? mark_held_locks+0x130/0x130 [ 638.013190] ? lock_release+0xa00/0xa00 [ 638.017170] ? perf_trace_sched_process_exec+0x860/0x860 [ 638.022621] ? xa_load+0x2ba/0x460 [ 638.026151] ? lock_downgrade+0x900/0x900 [ 638.030310] ? __might_sleep+0x95/0x190 [ 638.034291] __alloc_pages_nodemask+0xad8/0xea0 [ 638.038963] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 638.043967] ? __page_cache_alloc+0x191/0x5c0 [ 638.048449] ? xa_load+0x2e1/0x460 [ 638.051982] ? xa_clear_mark+0x40/0x40 [ 638.055870] ? zap_class+0x640/0x640 [ 638.059576] ? zap_class+0x640/0x640 [ 638.063275] ? zap_class+0x640/0x640 [ 638.066976] ? __do_page_cache_readahead+0x663/0x810 [ 638.072077] ? find_held_lock+0x36/0x1c0 [ 638.076127] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 638.081654] alloc_pages_current+0x173/0x350 [ 638.086053] __page_cache_alloc+0x38c/0x5c0 [ 638.090415] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 638.095335] ? kasan_check_read+0x11/0x20 [ 638.099472] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 638.104838] ? generic_perform_write+0x6a0/0x6a0 [ 638.109583] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 638.115110] ? check_preemption_disabled+0x48/0x280 [ 638.120117] filemap_fault+0x1595/0x25f0 [ 638.124282] ? __lock_page_or_retry+0xa00/0xa00 [ 638.128942] ? mark_held_locks+0x130/0x130 [ 638.133167] ? filemap_map_pages+0xd6b/0x1a20 [ 638.137650] ? lock_downgrade+0x900/0x900 [ 638.141799] ? check_preemption_disabled+0x48/0x280 [ 638.146816] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 638.151733] ? kasan_check_read+0x11/0x20 [ 638.155877] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 638.161141] ? rcu_softirq_qs+0x20/0x20 [ 638.165123] ? filemap_map_pages+0xd92/0x1a20 [ 638.169627] ? __lock_acquire+0x62f/0x4c20 [ 638.173858] ? find_get_entries_tag+0x1400/0x1400 [ 638.178699] ? lock_acquire+0x1ed/0x520 [ 638.182658] ? ext4_filemap_fault+0x7a/0xad [ 638.186968] ? lock_release+0xa00/0xa00 [ 638.190927] ? perf_trace_sched_process_exec+0x860/0x860 [ 638.196364] ? print_usage_bug+0xc0/0xc0 [ 638.200411] ? print_usage_bug+0xc0/0xc0 [ 638.204466] ? down_read+0x8d/0x120 [ 638.208077] ? ext4_filemap_fault+0x7a/0xad [ 638.212383] ? __down_interruptible+0x700/0x700 [ 638.217041] ext4_filemap_fault+0x82/0xad [ 638.221176] __do_fault+0x100/0x6b0 [ 638.224798] ? pmd_devmap_trans_unstable+0x220/0x220 [ 638.229891] ? mark_held_locks+0x130/0x130 [ 638.234114] ? mark_held_locks+0x130/0x130 [ 638.238348] ? __might_fault+0x12b/0x1e0 [ 638.242393] ? lock_downgrade+0x900/0x900 [ 638.246528] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 638.252057] __handle_mm_fault+0x3ea6/0x5be0 [ 638.256457] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 638.261286] ? kasan_check_read+0x11/0x20 [ 638.265422] ? _copy_to_user+0xc8/0x110 [ 638.269386] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 638.274916] ? zap_class+0x640/0x640 [ 638.278614] ? zap_class+0x640/0x640 [ 638.282316] ? find_held_lock+0x36/0x1c0 [ 638.286366] ? handle_mm_fault+0x42a/0xc70 [ 638.290586] ? lock_downgrade+0x900/0x900 [ 638.294717] ? check_preemption_disabled+0x48/0x280 [ 638.299738] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 638.304654] ? kasan_check_read+0x11/0x20 [ 638.308796] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 638.314070] ? rcu_softirq_qs+0x20/0x20 [ 638.318034] ? trace_hardirqs_off_caller+0x310/0x310 [ 638.323130] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 638.328656] ? check_preemption_disabled+0x48/0x280 [ 638.333663] handle_mm_fault+0x54f/0xc70 [ 638.337715] ? __handle_mm_fault+0x5be0/0x5be0 [ 638.342311] ? find_vma+0x34/0x190 [ 638.345845] __do_page_fault+0x5e8/0xe60 [ 638.349890] ? trace_hardirqs_off+0xb8/0x310 [ 638.354302] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 638.359829] do_page_fault+0xf2/0x7e0 [ 638.363634] ? vmalloc_sync_all+0x30/0x30 [ 638.367778] ? error_entry+0x70/0xd0 [ 638.371478] ? trace_hardirqs_off_caller+0xbb/0x310 [ 638.376482] ? trace_hardirqs_on_caller+0xc0/0x310 [ 638.381396] ? syscall_return_slowpath+0x5e0/0x5e0 [ 638.386319] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 638.391150] ? trace_hardirqs_on_caller+0x310/0x310 [ 638.396154] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 638.401593] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 638.406615] ? prepare_exit_to_usermode+0x291/0x3b0 [ 638.411620] ? page_fault+0x8/0x30 [ 638.415158] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 638.420007] ? page_fault+0x8/0x30 [ 638.423544] page_fault+0x1e/0x30 [ 638.426984] RIP: 0033:0x458bc1 [ 638.430171] Code: Bad RIP value. [ 638.433516] RSP: 002b:000000c420037f18 EFLAGS: 00010246 [ 638.438865] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000458bc1 [ 638.446221] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 638.453482] RBP: 000000c420037f28 R08: 000000c420037f18 R09: 0000000000000000 [ 638.460738] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000042e370 [ 638.468000] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 638.477428] Mem-Info: [ 638.479885] active_anon:5820 inactive_anon:191 isolated_anon:0 [ 638.479885] active_file:66 inactive_file:83 isolated_file:11 [ 638.479885] unevictable:0 dirty:0 writeback:0 unstable:0 [ 638.479885] slab_reclaimable:13261 slab_unreclaimable:1478412 [ 638.479885] mapped:101 shmem:245 pagetables:493 bounce:0 [ 638.479885] free:24671 free_pcp:77 free_cma:0 [ 638.515945] Node 0 active_anon:23280kB inactive_anon:764kB active_file:364kB inactive_file:292kB unevictable:0kB isolated(anon):0kB isolated(file):44kB mapped:504kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 638.549740] 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 [ 638.579121] lowmem_reserve[]: 0 2818 6321 6321 [ 638.586524] Node 0 DMA32 free:44004kB min:30052kB low:37564kB high:45076kB active_anon:56kB inactive_anon:0kB active_file:4kB inactive_file:20kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:16kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 638.616074] lowmem_reserve[]: 0 0 3503 3503 [ 638.623380] Node 0 Normal free:37480kB min:37364kB low:46704kB high:56044kB active_anon:23316kB inactive_anon:764kB active_file:540kB inactive_file:1156kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7136kB pagetables:1972kB bounce:0kB free_pcp:1664kB local_pcp:368kB free_cma:0kB [ 638.657003] lowmem_reserve[]: 0 0 0 0 [ 638.660847] 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 [ 638.674524] Node 0 DMA32: 13*4kB (M) 12*8kB (ME) 9*16kB (M) 14*32kB (UME) 6*64kB (ME) 3*128kB (M) 4*256kB (ME) 1*512kB (E) 4*1024kB (ME) 4*2048kB (UME) 7*4096kB (UM) = 44004kB [ 638.690446] Node 0 Normal: 448*4kB (UME) 955*8kB (UMEH) 343*16kB (UME) 156*32kB (ME) 87*64kB (ME) 40*128kB (UME) 19*256kB (UM) 1*512kB (U) 1*1024kB (U) 0*2048kB 0*4096kB = 37000kB [ 638.706706] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 638.715622] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 638.724245] 582 total pagecache pages [ 638.728055] 0 pages in swap cache [ 638.731509] Swap cache stats: add 0, delete 0, find 0/0 [ 638.736912] Free swap = 0kB [ 638.739929] Total swap = 0kB [ 638.743026] 1965979 pages RAM [ 638.746139] 0 pages HighMem/MovableOnly [ 638.750110] 342853 pages reserved [ 638.764301] 0 pages cma reserved [ 638.767819] Unreclaimable slab info: [ 638.771634] Name Used Total [ 638.797830] pid_2 103KB 156KB [ 638.809164] TIPC 17KB 28KB [ 638.821459] SCTPv6 26KB 30KB [ 638.827218] DCCPv6 17KB 29KB [ 638.832754] DCCP 20KB 27KB [ 638.838600] bridge_fdb_cache 15KB 23KB [ 638.844949] fib6_nodes 101KB 120KB [ 638.851277] ip6_dst_cache 188KB 251KB [ 638.857379] RAWv6 117KB 117KB [ 638.863652] UDPv6 3KB 3KB [ 638.869632] TCPv6 23KB 29KB [ 638.879156] nf_conntrack 0KB 3KB [ 638.888711] sd_ext_cdb 0KB 3KB [ 638.895970] scsi_sense_cache 1056KB 1060KB [ 638.905103] virtio_scsi_cmd 16KB 16KB [ 638.911334] sgpool-128 8KB 8KB [ 638.917418] sgpool-64 4KB 6KB [ 638.923665] sgpool-32 2KB 7KB [ 638.929577] sgpool-16 1KB 3KB [ 638.935486] sgpool-8 0KB 3KB [ 638.941004] mqueue_inode_cache 14KB 28KB [ 638.947522] bio_post_read_ctx 14KB 15KB [ 638.953519] bio-2 14KB 15KB [ 638.959880] jfs_mp 7KB 7KB [ 638.965540] nfs_commit_data 3KB 7KB [ 638.971693] nfs_write_data 32KB 32KB [ 638.977709] ext4_system_zone 0KB 3KB [ 638.984257] bio-1 1KB 3KB [ 638.995267] pid_namespace 3KB 11KB [ 639.001561] rpc_buffers 17KB 19KB [ 639.013517] rpc_tasks 2KB 3KB [ 639.043983] UNIX 36KB 36KB [ 639.053022] tcp_bind_bucket 1KB 4KB [ 639.058592] ip_fib_trie 14KB 19KB [ 639.064114] ip_fib_alias 66KB 79KB [ 639.069569] ip_dst_cache 1KB 8KB [ 639.075133] RAW 69KB 71KB [ 639.080594] UDP 34KB 45KB [ 639.086127] TCP 5KB 5KB [ 639.091579] hugetlbfs_inode_cache 2KB 7KB [ 639.097422] fscache_cookie_jar 1KB 7KB [ 639.103032] eventpoll_pwq 37KB 43KB [ 639.108473] eventpoll_epi 64KB 82KB [ 639.114016] inotify_inode_mark 51KB 82KB [ 639.119558] request_queue 164KB 164KB [ 639.125064] blkdev_ioc 34KB 34KB [ 639.130510] bio-0 2400KB 2400KB [ 639.136869] biovec-max 2450KB 2450KB [ 639.144603] biovec-64 1386KB 1386KB [ 639.150055] biovec-16 382KB 382KB [ 639.156419] bio_integrity_payload 1KB 3KB [ 639.162484] khugepaged_mm_slot 0KB 3KB [ 639.167966] dmaengine-unmap-256 2KB 6KB [ 639.173642] dmaengine-unmap-128 1KB 3KB [ 639.179175] dmaengine-unmap-16 0KB 4KB [ 639.184767] dmaengine-unmap-2 0KB 3KB [ 639.190141] skbuff_fclone_cache 8KB 15KB [ 639.195738] skbuff_head_cache 2081KB 2085KB [ 639.201129] configfs_dir_cache 0KB 4KB [ 639.206663] file_lock_cache 0KB 3KB [ 639.212569] file_lock_ctx 0KB 3KB [ 639.217933] fsnotify_mark_connector 31KB 51KB [ 639.223850] net_namespace 94KB 94KB [ 639.229214] shmem_inode_cache 5268KB 5535KB [ 639.234626] task_delay_info 196KB 441KB [ 639.240002] proc_dir_entry 811KB 813KB [ 639.245421] pde_opener 0KB 3KB [ 639.250794] seq_file 223KB 350KB [ 639.256580] sigqueue 80KB 189KB [ 639.264933] kernfs_node_cache 11120KB 11210KB [ 639.270317] mnt_cache 125KB 132KB [ 639.275744] filp 4301KB 6498KB [ 639.281123] names_cache 86466KB 86504KB [ 639.291069] iint_cache 35KB 67KB [ 639.297586] hashtab_node 118KB 119KB [ 639.304737] ebitmap_node 1188KB 1555KB [ 639.311859] avtab_node 1012KB 1013KB [ 639.319068] avc_node 43KB 47KB [ 639.325980] selinux_file_security 267KB 561KB [ 639.333072] selinux_inode_security 3216KB 3652KB [ 639.339161] key_jar 3KB 7KB [ 639.346681] uts_namespace 4KB 11KB [ 639.352264] nsproxy 3KB 7KB [ 639.357801] vm_area_struct 9656KB 12212KB [ 639.363536] mm_struct 2289KB 2541KB [ 639.369083] fs_cache 192KB 428KB [ 639.374661] files_cache 717KB 926KB [ 639.380189] signal_cache 1313KB 1796KB [ 639.386858] sighand_cache 520KB 527KB [ 639.392479] task_struct 5618KB 5643KB [ 639.397856] cred_jar 1147KB 2064KB [ 639.419143] anon_vma_chain 4404KB 6217KB [ 639.425834] anon_vma 229KB 373KB [ 639.431300] pid 59KB 280KB [ 639.436729] Acpi-Operand 106KB 162KB [ 639.442173] Acpi-Namespace 19KB 23KB [ 639.447547] numa_policy 0KB 3KB [ 639.453110] debug_objects_cache 973KB 1106KB [ 639.458657] trace_event_file 260KB 262KB [ 639.464088] ftrace_event_field 376KB 381KB [ 639.469545] pool_workqueue 102KB 108KB [ 639.475149] task_group 5KB 7KB [ 639.480528] page->ptl 1676KB 2846KB [ 639.486336] kmalloc-4M 5492736KB 5492736KB [ 639.491717] kmalloc-2M 2050KB 2050KB [ 639.497228] kmalloc-512k 2056KB 2056KB [ 639.502732] kmalloc-256k 1290KB 1290KB [ 639.508197] kmalloc-128k 650KB 650KB [ 639.513745] kmalloc-64k 330KB 330KB [ 639.519118] kmalloc-32k 31746KB 31779KB [ 639.524649] kmalloc-16k 2953KB 2953KB [ 639.530124] kmalloc-8k 2227KB 2260KB [ 639.537050] kmalloc-4k 16715KB 16753KB [ 639.552641] kmalloc-2k 10412KB 10423KB [ 639.558051] kmalloc-1k 5748KB 5890KB [ 639.563594] kmalloc-512 5333KB 5535KB [ 639.568971] kmalloc-256 3508KB 3618KB [ 639.574370] kmalloc-128 1043KB 1090KB [ 639.579733] kmalloc-96 2336KB 2360KB [ 639.585142] kmalloc-64 2964KB 3744KB [ 639.590512] kmalloc-32 2781KB 3106KB [ 639.595940] kmalloc-192 851KB 972KB [ 639.601310] kmem_cache 221KB 225KB [ 639.606710] Out of memory: Kill process 13431 (syz-executor5) score 999 or sacrifice child [ 639.615942] Killed process 13431 (syz-executor5) total-vm:37440kB, anon-rss:84kB, file-rss:0kB, shmem-rss:0kB [ 639.626370] oom_reaper: reaped process 13431 (syz-executor5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 639.644679] syz-execprog invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 639.656513] syz-execprog cpuset=/ mems_allowed=0 [ 639.661285] CPU: 0 PID: 6140 Comm: syz-execprog Not tainted 4.20.0-rc6+ #151 [ 639.668464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 639.677800] Call Trace: [ 639.680376] dump_stack+0x244/0x39d [ 639.683988] ? dump_stack_print_info.cold.1+0x20/0x20 [ 639.689160] ? mark_held_locks+0x130/0x130 [ 639.693382] ? mark_held_locks+0x130/0x130 [ 639.697600] dump_header+0x27b/0xf72 [ 639.701304] ? pagefault_out_of_memory+0x197/0x197 [ 639.706221] ? __lock_acquire+0x62f/0x4c20 [ 639.710444] ? print_usage_bug+0xc0/0xc0 [ 639.714491] ? zap_class+0x640/0x640 [ 639.718199] ? print_usage_bug+0xc0/0xc0 [ 639.722245] ? print_usage_bug+0xc0/0xc0 [ 639.726292] ? print_usage_bug+0xc0/0xc0 [ 639.730359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.735897] ? find_held_lock+0x36/0x1c0 [ 639.739950] ? mark_held_locks+0xc7/0x130 [ 639.744084] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 639.749186] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 639.754275] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 639.758844] ? trace_hardirqs_on+0xbd/0x310 [ 639.763152] ? kasan_check_read+0x11/0x20 [ 639.767289] ? ___ratelimit+0x3b4/0x672 [ 639.771249] ? trace_hardirqs_off_caller+0x310/0x310 [ 639.776335] ? trace_hardirqs_on+0x310/0x310 [ 639.780731] ? lock_downgrade+0x900/0x900 [ 639.784868] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 639.789955] ? ___ratelimit+0x3b9/0x672 [ 639.793917] ? idr_get_free+0xf70/0xf70 [ 639.797905] ? find_held_lock+0x36/0x1c0 [ 639.801959] oom_kill_process.cold.27+0x10/0x903 [ 639.806700] ? zap_class+0x640/0x640 [ 639.810401] ? check_preemption_disabled+0x48/0x280 [ 639.815408] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 639.820327] ? kasan_check_read+0x11/0x20 [ 639.824462] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 639.829736] ? oom_evaluate_task+0x540/0x540 [ 639.834131] ? find_held_lock+0x36/0x1c0 [ 639.838180] ? out_of_memory+0x974/0x1430 [ 639.842315] ? lock_downgrade+0x900/0x900 [ 639.846466] ? check_preemption_disabled+0x48/0x280 [ 639.851471] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 639.856385] ? kasan_check_read+0x11/0x20 [ 639.860529] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 639.865789] ? rcu_softirq_qs+0x20/0x20 [ 639.869767] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 639.875288] ? oom_evaluate_task+0x302/0x540 [ 639.879701] out_of_memory+0xa84/0x1430 [ 639.883674] ? oom_killer_disable+0x3a0/0x3a0 [ 639.888159] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 639.893078] ? __ww_mutex_check_waiters+0x160/0x160 [ 639.898083] __alloc_pages_slowpath+0x232c/0x2de0 [ 639.902934] ? warn_alloc+0x120/0x120 [ 639.906725] ? mark_held_locks+0x130/0x130 [ 639.910952] ? find_get_entry+0xaae/0x1120 [ 639.915177] ? filemap_map_pages+0x1a20/0x1a20 [ 639.919749] ? zap_class+0x640/0x640 [ 639.923453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 639.928977] ? check_preemption_disabled+0x48/0x280 [ 639.933983] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 639.939519] ? should_fail+0x22d/0xd01 [ 639.943393] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 639.948485] ? zap_class+0x640/0x640 [ 639.952223] ? __lock_is_held+0xb5/0x140 [ 639.956274] ? mark_held_locks+0x130/0x130 [ 639.960494] ? lock_release+0xa00/0xa00 [ 639.964461] ? perf_trace_sched_process_exec+0x860/0x860 [ 639.969898] ? xa_load+0x2ba/0x460 [ 639.973430] ? lock_downgrade+0x900/0x900 [ 639.977571] ? __might_sleep+0x95/0x190 [ 639.981534] __alloc_pages_nodemask+0xad8/0xea0 [ 639.986194] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 639.991210] ? __page_cache_alloc+0x191/0x5c0 [ 639.995705] ? xa_load+0x2e1/0x460 [ 639.999230] ? xa_clear_mark+0x40/0x40 [ 640.003103] ? zap_class+0x640/0x640 [ 640.006807] ? zap_class+0x640/0x640 [ 640.010502] ? zap_class+0x640/0x640 [ 640.014199] ? __do_page_cache_readahead+0x663/0x810 [ 640.019289] ? find_held_lock+0x36/0x1c0 [ 640.023335] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 640.028861] alloc_pages_current+0x173/0x350 [ 640.033273] __page_cache_alloc+0x38c/0x5c0 [ 640.037594] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 640.042513] ? kasan_check_read+0x11/0x20 [ 640.046660] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 640.051924] ? generic_perform_write+0x6a0/0x6a0 [ 640.056668] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 640.062191] ? check_preemption_disabled+0x48/0x280 [ 640.067198] filemap_fault+0x1595/0x25f0 [ 640.071266] ? __lock_page_or_retry+0xa00/0xa00 [ 640.075925] ? mark_held_locks+0x130/0x130 [ 640.080151] ? filemap_map_pages+0xd6b/0x1a20 [ 640.084639] ? lock_downgrade+0x900/0x900 [ 640.088774] ? check_preemption_disabled+0x48/0x280 [ 640.093777] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 640.098693] ? kasan_check_read+0x11/0x20 [ 640.102843] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 640.108283] ? rcu_softirq_qs+0x20/0x20 [ 640.112247] ? filemap_map_pages+0xd92/0x1a20 [ 640.116728] ? __lock_acquire+0x62f/0x4c20 [ 640.120951] ? find_get_entries_tag+0x1400/0x1400 [ 640.125788] ? lock_acquire+0x1ed/0x520 [ 640.129743] ? ext4_filemap_fault+0x7a/0xad [ 640.134053] ? lock_release+0xa00/0xa00 [ 640.138008] ? perf_trace_sched_process_exec+0x860/0x860 [ 640.143445] ? print_usage_bug+0xc0/0xc0 [ 640.147489] ? print_usage_bug+0xc0/0xc0 [ 640.151554] ? down_read+0x8d/0x120 [ 640.155162] ? ext4_filemap_fault+0x7a/0xad [ 640.159469] ? __down_interruptible+0x700/0x700 [ 640.164144] ext4_filemap_fault+0x82/0xad [ 640.168279] __do_fault+0x100/0x6b0 [ 640.171901] ? pmd_devmap_trans_unstable+0x220/0x220 [ 640.176989] ? mark_held_locks+0x130/0x130 [ 640.181210] ? mark_held_locks+0x130/0x130 [ 640.185428] ? __might_fault+0x12b/0x1e0 [ 640.189472] ? lock_downgrade+0x900/0x900 [ 640.193605] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 640.199133] __handle_mm_fault+0x3ea6/0x5be0 [ 640.203533] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 640.208380] ? kasan_check_read+0x11/0x20 [ 640.212525] ? _copy_to_user+0xc8/0x110 [ 640.216486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 640.222012] ? zap_class+0x640/0x640 [ 640.225708] ? zap_class+0x640/0x640 [ 640.229411] ? find_held_lock+0x36/0x1c0 [ 640.233899] ? handle_mm_fault+0x42a/0xc70 [ 640.238136] ? lock_downgrade+0x900/0x900 [ 640.242271] ? check_preemption_disabled+0x48/0x280 [ 640.247272] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 640.252185] ? kasan_check_read+0x11/0x20 [ 640.256314] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 640.261575] ? rcu_softirq_qs+0x20/0x20 [ 640.265536] ? trace_hardirqs_off_caller+0x310/0x310 [ 640.270630] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 640.276301] ? check_preemption_disabled+0x48/0x280 [ 640.281306] handle_mm_fault+0x54f/0xc70 [ 640.285367] ? __handle_mm_fault+0x5be0/0x5be0 [ 640.289940] ? find_vma+0x34/0x190 [ 640.293470] __do_page_fault+0x5e8/0xe60 [ 640.297515] ? trace_hardirqs_off+0xb8/0x310 [ 640.301924] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 640.307474] do_page_fault+0xf2/0x7e0 [ 640.311262] ? vmalloc_sync_all+0x30/0x30 [ 640.315395] ? error_entry+0x70/0xd0 [ 640.319099] ? trace_hardirqs_off_caller+0xbb/0x310 [ 640.324097] ? trace_hardirqs_on_caller+0xc0/0x310 [ 640.329013] ? syscall_return_slowpath+0x5e0/0x5e0 [ 640.333937] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 640.338765] ? trace_hardirqs_on_caller+0x310/0x310 [ 640.343763] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 640.349208] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 640.354210] ? prepare_exit_to_usermode+0x291/0x3b0 [ 640.359208] ? page_fault+0x8/0x30 [ 640.362737] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 640.367562] ? page_fault+0x8/0x30 [ 640.371085] page_fault+0x1e/0x30 [ 640.374519] RIP: 0033:0x458bc1 [ 640.377710] Code: Bad RIP value. [ 640.381057] RSP: 002b:000000c420037f18 EFLAGS: 00010246 [ 640.386403] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000458bc1 [ 640.393655] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 640.400907] RBP: 000000c420037f28 R08: 000000c420037f18 R09: 0000000000000000 [ 640.408248] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000042e370 [ 640.415500] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 640.453698] Mem-Info: [ 640.456186] active_anon:5814 inactive_anon:191 isolated_anon:0 [ 640.456186] active_file:10 inactive_file:24 isolated_file:0 [ 640.456186] unevictable:0 dirty:1 writeback:0 unstable:0 [ 640.456186] slab_reclaimable:13235 slab_unreclaimable:1478401 [ 640.456186] mapped:0 shmem:245 pagetables:487 bounce:0 [ 640.456186] free:24115 free_pcp:1 free_cma:0 [ 640.536988] Node 0 active_anon:23256kB inactive_anon:764kB active_file:12kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:4kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 640.605599] 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 [ 640.638702] lowmem_reserve[]: 0 2818 6321 6321 [ 640.645599] Node 0 DMA32 free:44020kB min:30052kB low:37564kB high:45076kB active_anon:56kB inactive_anon:0kB active_file:4kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:16kB bounce:0kB free_pcp:12kB local_pcp:12kB free_cma:0kB [ 640.676328] lowmem_reserve[]: 0 0 3503 3503 [ 640.682969] Node 0 Normal free:37376kB min:37364kB low:46704kB high:56044kB active_anon:23152kB inactive_anon:764kB active_file:80kB inactive_file:496kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:1904kB bounce:0kB free_pcp:900kB local_pcp:144kB free_cma:0kB [ 640.714394] lowmem_reserve[]: 0 0 0 0 [ 640.732697] 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 [ 640.747939] Node 0 DMA32: 12*4kB (UM) 10*8kB (ME) 6*16kB (M) 11*32kB (UME) 3*64kB (ME) 2*128kB (M) 4*256kB (ME) 2*512kB (ME) 4*1024kB (ME) 4*2048kB (UME) 7*4096kB (UM) = 44032kB [ 640.788194] Node 0 Normal: 1082*4kB (UME) 973*8kB (UMEH) 329*16kB (UME) 156*32kB (UME) 89*64kB (UME) 39*128kB (UME) 18*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 37664kB [ 640.812706] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 640.823303] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 640.837604] 552 total pagecache pages [ 640.842500] 0 pages in swap cache [ 640.846055] Swap cache stats: add 0, delete 0, find 0/0 [ 640.851505] Free swap = 0kB [ 640.855546] Total swap = 0kB [ 640.859277] 1965979 pages RAM [ 640.863658] 0 pages HighMem/MovableOnly [ 640.871311] 342853 pages reserved [ 640.874821] 0 pages cma reserved [ 640.878193] Unreclaimable slab info: [ 640.881957] Name Used Total [ 640.887514] pid_2 97KB 156KB [ 640.892955] TIPC 17KB 28KB [ 640.898478] SCTPv6 24KB 30KB [ 640.905015] DCCPv6 17KB 21KB [ 640.910749] DCCP 18KB 20KB [ 640.916378] bridge_fdb_cache 15KB 23KB [ 640.922035] fib6_nodes 99KB 120KB [ 640.927398] ip6_dst_cache 181KB 251KB [ 640.932788] RAWv6 117KB 117KB [ 640.938138] UDPv6 3KB 3KB [ 640.943507] TCPv6 23KB 29KB [ 640.948859] nf_conntrack 0KB 3KB [ 640.954265] sd_ext_cdb 0KB 3KB [ 640.959612] scsi_sense_cache 1056KB 1060KB [ 640.965114] virtio_scsi_cmd 16KB 16KB [ 640.970489] sgpool-128 8KB 8KB [ 640.976360] sgpool-64 4KB 6KB [ 640.988223] sgpool-32 2KB 7KB [ 640.994694] sgpool-16 1KB 3KB [ 641.001157] sgpool-8 0KB 3KB [ 641.008845] mqueue_inode_cache 14KB 28KB [ 641.015056] bio_post_read_ctx 14KB 15KB [ 641.021369] bio-2 14KB 15KB [ 641.027976] jfs_mp 7KB 7KB [ 641.034499] nfs_commit_data 3KB 7KB [ 641.041434] nfs_write_data 32KB 32KB [ 641.050406] ext4_system_zone 0KB 3KB [ 641.057486] bio-1 1KB 3KB [ 641.064047] pid_namespace 3KB 11KB [ 641.069703] rpc_buffers 17KB 19KB [ 641.075204] rpc_tasks 2KB 3KB [ 641.080686] UNIX 36KB 36KB [ 641.086219] tcp_bind_bucket 1KB 4KB [ 641.091703] ip_fib_trie 14KB 19KB [ 641.097238] ip_fib_alias 66KB 79KB [ 641.102800] ip_dst_cache 1KB 8KB [ 641.108276] RAW 69KB 71KB [ 641.113690] UDP 26KB 45KB [ 641.119062] TCP 5KB 5KB [ 641.125868] hugetlbfs_inode_cache 2KB 7KB [ 641.131589] fscache_cookie_jar 1KB 7KB [ 641.137104] eventpoll_pwq 32KB 43KB [ 641.142519] eventpoll_epi 55KB 82KB [ 641.147890] inotify_inode_mark 42KB 82KB [ 641.153398] request_queue 164KB 164KB [ 641.158768] blkdev_ioc 33KB 34KB [ 641.164547] bio-0 2493KB 2493KB [ 641.169906] biovec-max 2450KB 2450KB [ 641.175396] biovec-64 1386KB 1386KB [ 641.180753] biovec-16 408KB 408KB [ 641.186146] bio_integrity_payload 1KB 3KB [ 641.191883] khugepaged_mm_slot 0KB 3KB [ 641.197344] dmaengine-unmap-256 2KB 6KB [ 641.202922] dmaengine-unmap-128 1KB 3KB [ 641.208743] dmaengine-unmap-16 0KB 4KB [ 641.214237] dmaengine-unmap-2 0KB 3KB [ 641.219609] skbuff_fclone_cache 8KB 11KB [ 641.225188] skbuff_head_cache 2078KB 2085KB [ 641.230557] configfs_dir_cache 0KB 4KB [ 641.236047] file_lock_cache 0KB 3KB [ 641.241409] file_lock_ctx 0KB 3KB [ 641.261844] fsnotify_mark_connector 26KB 51KB [ 641.267764] net_namespace 94KB 94KB [ 641.276002] shmem_inode_cache 5230KB 5531KB [ 641.281375] task_delay_info 186KB 441KB [ 641.305427] proc_dir_entry 811KB 813KB [ 641.311839] pde_opener 0KB 3KB [ 641.325905] seq_file 204KB 338KB [ 641.331477] sigqueue 77KB 189KB [ 641.337096] kernfs_node_cache 11091KB 11194KB [ 641.342572] mnt_cache 119KB 132KB [ 641.347943] filp 4260KB 6483KB [ 641.353353] names_cache 86496KB 86496KB [ 641.358756] iint_cache 32KB 67KB [ 641.364174] hashtab_node 118KB 119KB [ 641.369554] ebitmap_node 1174KB 1555KB [ 641.374952] avtab_node 1012KB 1013KB [ 641.380322] avc_node 43KB 47KB [ 641.385713] selinux_file_security 263KB 561KB [ 641.391424] selinux_inode_security 3198KB 3652KB [ 641.398185] key_jar 3KB 7KB [ 641.403588] uts_namespace 4KB 11KB [ 641.408957] nsproxy 3KB 7KB [ 641.414350] vm_area_struct 9650KB 12212KB [ 641.419716] mm_struct 2273KB 2541KB [ 641.429364] fs_cache 180KB 428KB [ 641.477203] files_cache 696KB 926KB [ 641.490290] signal_cache 1299KB 1796KB [ 641.505484] sighand_cache 497KB 527KB [ 641.510882] task_struct 5593KB 5630KB [ 641.535240] cred_jar 1135KB 2064KB [ 641.540758] anon_vma_chain 4398KB 6217KB [ 641.546171] anon_vma 200KB 373KB [ 641.551546] pid 56KB 268KB [ 641.559102] Acpi-Operand 106KB 162KB [ 641.564519] Acpi-Namespace 19KB 23KB [ 641.569888] numa_policy 0KB 3KB [ 641.575288] debug_objects_cache 971KB 1106KB [ 641.580827] trace_event_file 260KB 262KB [ 641.586422] ftrace_event_field 376KB 381KB [ 641.594004] pool_workqueue 100KB 108KB [ 641.599801] task_group 5KB 7KB [ 641.606078] page->ptl 1672KB 2846KB [ 641.612188] kmalloc-4M 5492736KB 5492736KB [ 641.618364] kmalloc-2M 2050KB 2050KB [ 641.623770] kmalloc-512k 2056KB 2056KB [ 641.629133] kmalloc-256k 1290KB 1290KB [ 641.635433] kmalloc-128k 650KB 650KB [ 641.641680] kmalloc-64k 330KB 330KB [ 641.648159] kmalloc-32k 31746KB 31746KB [ 641.656733] kmalloc-16k 2953KB 2953KB [ 641.663109] kmalloc-8k 2202KB 2244KB [ 641.668488] kmalloc-4k 16706KB 16745KB [ 641.674095] kmalloc-2k 10408KB 10423KB [ 641.679465] kmalloc-1k 5748KB 5890KB [ 641.684890] kmalloc-512 5326KB 5535KB [ 641.690268] kmalloc-256 3500KB 3618KB [ 641.695672] kmalloc-128 1038KB 1090KB [ 641.701037] kmalloc-96 2336KB 2360KB [ 641.706422] kmalloc-64 2949KB 3744KB [ 641.711880] kmalloc-32 2774KB 3106KB [ 641.717223] kmalloc-192 851KB 972KB [ 641.722608] kmem_cache 221KB 225KB [ 641.728057] Out of memory: Kill process 13430 (syz-executor0) score 999 or sacrifice child [ 641.782988] udevd invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=-1000 [ 641.795573] udevd cpuset=/ mems_allowed=0 [ 641.799946] CPU: 0 PID: 11546 Comm: udevd Not tainted 4.20.0-rc6+ #151 [ 641.806646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 641.815998] Call Trace: [ 641.818592] dump_stack+0x244/0x39d [ 641.822208] ? dump_stack_print_info.cold.1+0x20/0x20 [ 641.827382] ? mark_held_locks+0x130/0x130 [ 641.831605] ? mark_held_locks+0x130/0x130 [ 641.835937] dump_header+0x27b/0xf72 [ 641.839652] ? pagefault_out_of_memory+0x197/0x197 [ 641.844583] ? mark_held_locks+0x130/0x130 [ 641.848801] ? __lock_acquire+0x62f/0x4c20 [ 641.853053] ? print_usage_bug+0xc0/0xc0 [ 641.857129] ? zap_class+0x640/0x640 [ 641.860839] ? print_usage_bug+0xc0/0xc0 [ 641.864885] ? print_usage_bug+0xc0/0xc0 [ 641.868949] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 641.874499] ? find_held_lock+0x36/0x1c0 [ 641.878571] ? mark_held_locks+0xc7/0x130 [ 641.882713] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 641.887797] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 641.892900] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 641.897499] ? trace_hardirqs_on+0xbd/0x310 [ 641.901826] ? kasan_check_read+0x11/0x20 [ 641.905972] ? ___ratelimit+0x3b4/0x672 [ 641.909933] ? trace_hardirqs_off_caller+0x310/0x310 [ 641.915034] ? trace_hardirqs_on+0x310/0x310 [ 641.919448] ? lock_downgrade+0x900/0x900 [ 641.923617] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 641.928821] ? ___ratelimit+0x3b9/0x672 [ 641.932815] ? idr_get_free+0xf70/0xf70 [ 641.936793] ? kasan_check_read+0x11/0x20 [ 641.940949] ? do_raw_spin_unlock+0xa7/0x330 [ 641.945373] oom_kill_process.cold.27+0x10/0x903 [ 641.950123] ? zap_class+0x640/0x640 [ 641.953830] ? _raw_spin_unlock+0x2c/0x50 [ 641.957978] ? oom_badness+0xe6/0xaa0 [ 641.961787] ? oom_evaluate_task+0x540/0x540 [ 641.966206] ? find_held_lock+0x36/0x1c0 [ 641.970272] ? out_of_memory+0x974/0x1430 [ 641.974416] ? lock_downgrade+0x900/0x900 [ 641.978572] ? check_preemption_disabled+0x48/0x280 [ 641.983598] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 641.988532] ? kasan_check_read+0x11/0x20 [ 641.992684] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 641.997965] ? rcu_softirq_qs+0x20/0x20 [ 642.001948] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 642.006971] ? oom_evaluate_task+0x302/0x540 [ 642.011381] out_of_memory+0xa84/0x1430 [ 642.015365] ? oom_killer_disable+0x3a0/0x3a0 [ 642.019865] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 642.024804] ? __ww_mutex_check_waiters+0x160/0x160 [ 642.029825] __alloc_pages_slowpath+0x232c/0x2de0 [ 642.034696] ? warn_alloc+0x120/0x120 [ 642.038506] ? mark_held_locks+0x130/0x130 [ 642.042980] ? warn_alloc+0x120/0x120 [ 642.046780] ? print_usage_bug+0xc0/0xc0 [ 642.050826] ? find_get_entries_tag+0x1400/0x1400 [ 642.055667] ? print_usage_bug+0xc0/0xc0 [ 642.059730] ? alloc_set_pte+0x1447/0x1f40 [ 642.063981] ? print_usage_bug+0xc0/0xc0 [ 642.068040] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 642.073576] ? should_fail+0x22d/0xd01 [ 642.077480] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 642.082589] ? zap_class+0x640/0x640 [ 642.086325] ? find_held_lock+0x36/0x1c0 [ 642.090386] ? find_held_lock+0x36/0x1c0 [ 642.094448] ? lock_release+0xa00/0xa00 [ 642.098429] ? perf_trace_sched_process_exec+0x860/0x860 [ 642.103896] ? check_preemption_disabled+0x48/0x280 [ 642.108910] ? __might_sleep+0x95/0x190 [ 642.112885] __alloc_pages_nodemask+0xad8/0xea0 [ 642.117559] ? zap_class+0x640/0x640 [ 642.121273] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 642.126299] ? find_held_lock+0x36/0x1c0 [ 642.130356] ? cache_grow_begin+0x65/0x8c0 [ 642.134587] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 642.139178] ? trace_hardirqs_on+0xbd/0x310 [ 642.143509] ? fallback_alloc+0x204/0x2e0 [ 642.147655] ? trace_hardirqs_off_caller+0x310/0x310 [ 642.153129] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 642.158674] cache_grow_begin+0xa5/0x8c0 [ 642.162748] ? do_raw_spin_unlock+0xa7/0x330 [ 642.167156] fallback_alloc+0x204/0x2e0 [ 642.171120] ____cache_alloc_node+0x1c7/0x1e0 [ 642.175613] kmem_cache_alloc+0x1f8/0x730 [ 642.179771] ? kasan_check_read+0x11/0x20 [ 642.183932] getname_flags+0xd0/0x590 [ 642.187738] user_path_at_empty+0x2d/0x50 [ 642.191883] do_readlinkat+0x156/0x410 [ 642.195786] ? __do_compat_sys_newfstat+0x100/0x100 [ 642.200801] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 642.205384] ? trace_hardirqs_on+0xbd/0x310 [ 642.209703] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 642.215066] ? trace_hardirqs_off_caller+0x310/0x310 [ 642.220180] __x64_sys_readlink+0x78/0xb0 [ 642.224343] do_syscall_64+0x1b9/0x820 [ 642.228226] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 642.233589] ? syscall_return_slowpath+0x5e0/0x5e0 [ 642.238525] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 642.243379] ? trace_hardirqs_on_caller+0x310/0x310 [ 642.248394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 642.253925] ? prepare_exit_to_usermode+0x291/0x3b0 [ 642.258965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 642.263847] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 642.269127] RIP: 0033:0x7f2d82532577 [ 642.272848] Code: Bad RIP value. [ 642.276209] RSP: 002b:00007ffe861ad178 EFLAGS: 00000246 ORIG_RAX: 0000000000000059 [ 642.283918] RAX: ffffffffffffffda RBX: 000000000074d030 RCX: 00007f2d82532577 [ 642.291187] RDX: 0000000000000400 RSI: 00007ffe861ad180 RDI: 00007ffe861ad660 [ 642.298457] RBP: 00007ffe861adea0 R08: 00007ffe861adea0 R09: 00007f2d82586dc0 [ 642.305732] R10: 7665642f7379732f R11: 0000000000000246 R12: 00007ffe861ad660 [ 642.313089] R13: 0000000000000400 R14: 000000000074d030 R15: 0000000000785a00 [ 642.326923] Mem-Info: [ 642.330431] active_anon:5761 inactive_anon:191 isolated_anon:0 [ 642.330431] active_file:38 inactive_file:49 isolated_file:0 [ 642.330431] unevictable:0 dirty:0 writeback:0 unstable:0 [ 642.330431] slab_reclaimable:12953 slab_unreclaimable:1478131 [ 642.330431] mapped:44 shmem:245 pagetables:464 bounce:0 [ 642.330431] free:24674 free_pcp:85 free_cma:0 [ 642.380435] Node 0 active_anon:23044kB inactive_anon:764kB active_file:160kB inactive_file:132kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:76kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 642.419274] 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 [ 642.454670] lowmem_reserve[]: 0 2818 6321 6321 [ 642.459343] Node 0 DMA32 free:44032kB min:30052kB low:37564kB high:45076kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:12kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 642.486787] lowmem_reserve[]: 0 0 3503 3503 [ 642.491127] Node 0 Normal free:38348kB min:37364kB low:46704kB high:56044kB active_anon:22996kB inactive_anon:764kB active_file:200kB inactive_file:564kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7008kB pagetables:1844kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 642.526846] lowmem_reserve[]: 0 0 0 0 [ 642.531093] 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 [ 642.544868] Node 0 DMA32: 12*4kB (UM) 10*8kB (ME) 6*16kB (M) 11*32kB (UME) 3*64kB (ME) 2*128kB (M) 4*256kB (ME) 2*512kB (ME) 4*1024kB (ME) 4*2048kB (UME) 7*4096kB (UM) = 44032kB [ 642.560968] Node 0 Normal: 1248*4kB (UME) 982*8kB (UMEH) 331*16kB (UME) 157*32kB (UME) 89*64kB (UME) 39*128kB (UME) 18*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 38464kB [ 642.584528] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 642.593741] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 642.605218] 351 total pagecache pages [ 642.609020] 0 pages in swap cache [ 642.612558] Swap cache stats: add 0, delete 0, find 0/0 [ 642.617904] Free swap = 0kB [ 642.620901] Total swap = 0kB [ 642.623945] 1965979 pages RAM [ 642.627042] 0 pages HighMem/MovableOnly [ 642.630995] 342853 pages reserved [ 642.634461] 0 pages cma reserved [ 642.637808] Unreclaimable slab info: [ 642.641547] Name Used Total [ 642.647153] pid_2 91KB 156KB [ 642.652685] TIPC 17KB 28KB [ 642.658059] SCTPv6 24KB 30KB [ 642.672440] DCCPv6 17KB 21KB [ 642.678886] DCCP 16KB 20KB [ 642.687220] bridge_fdb_cache 15KB 23KB [ 642.695511] fib6_nodes 98KB 120KB [ 642.707007] ip6_dst_cache 181KB 251KB [ 642.714316] RAWv6 117KB 117KB [ 642.720883] UDPv6 3KB 3KB [ 642.727230] TCPv6 23KB 29KB [ 642.736783] nf_conntrack 0KB 3KB [ 642.743106] sd_ext_cdb 0KB 3KB [ 642.749391] scsi_sense_cache 1056KB 1060KB [ 642.755321] virtio_scsi_cmd 16KB 16KB [ 642.761362] sgpool-128 8KB 8KB [ 642.767681] sgpool-64 4KB 6KB [ 642.774066] sgpool-32 2KB 7KB [ 642.780454] sgpool-16 1KB 3KB [ 642.786739] sgpool-8 0KB 3KB [ 642.793229] mqueue_inode_cache 14KB 28KB [ 642.799738] bio_post_read_ctx 14KB 15KB [ 642.806396] bio-2 14KB 15KB [ 642.812578] jfs_mp 7KB 7KB [ 642.818983] nfs_commit_data 3KB 7KB [ 642.824754] nfs_write_data 32KB 32KB [ 642.830146] ext4_system_zone 0KB 3KB [ 642.835563] bio-1 1KB 3KB [ 642.840923] pid_namespace 3KB 11KB [ 642.846317] rpc_buffers 17KB 19KB [ 642.851690] rpc_tasks 2KB 3KB [ 642.857101] UNIX 36KB 36KB [ 642.862509] tcp_bind_bucket 1KB 4KB [ 642.867867] ip_fib_trie 14KB 19KB [ 642.873268] ip_fib_alias 65KB 79KB [ 642.878625] ip_dst_cache 1KB 8KB [ 642.884002] RAW 69KB 71KB [ 642.889365] UDP 24KB 45KB [ 642.894786] TCP 5KB 5KB [ 642.900132] hugetlbfs_inode_cache 2KB 7KB [ 642.905882] fscache_cookie_jar 1KB 7KB [ 642.911316] eventpoll_pwq 27KB 43KB [ 642.916706] eventpoll_epi 46KB 82KB [ 642.922117] inotify_inode_mark 37KB 82KB [ 642.927560] request_queue 164KB 164KB [ 642.934023] blkdev_ioc 32KB 34KB [ 642.939374] bio-0 2617KB 2617KB [ 642.944780] biovec-max 2450KB 2450KB [ 642.950135] biovec-64 1386KB 1386KB [ 642.955614] biovec-16 435KB 435KB [ 642.960963] bio_integrity_payload 1KB 3KB [ 642.966686] khugepaged_mm_slot 0KB 3KB [ 642.972180] dmaengine-unmap-256 2KB 6KB [ 642.977712] dmaengine-unmap-128 1KB 3KB [ 642.983259] dmaengine-unmap-16 0KB 4KB [ 642.988690] dmaengine-unmap-2 0KB 3KB [ 642.994080] skbuff_fclone_cache 8KB 11KB [ 642.999607] skbuff_head_cache 2078KB 2085KB [ 643.004978] configfs_dir_cache 0KB 4KB [ 643.010412] file_lock_cache 0KB 3KB [ 643.015782] file_lock_ctx 0KB 3KB [ 643.021131] fsnotify_mark_connector 23KB 51KB [ 643.027041] net_namespace 94KB 94KB [ 643.032434] shmem_inode_cache 5217KB 5527KB [ 643.037803] task_delay_info 180KB 441KB [ 643.043295] proc_dir_entry 810KB 813KB [ 643.048661] pde_opener 0KB 3KB [ 643.054068] seq_file 198KB 338KB [ 643.059535] sigqueue 76KB 189KB [ 643.065138] kernfs_node_cache 11085KB 11194KB [ 643.070616] mnt_cache 118KB 132KB [ 643.076040] filp 4246KB 6483KB [ 643.081405] names_cache 86500KB 86500KB [ 643.086791] iint_cache 31KB 67KB [ 643.092185] hashtab_node 118KB 119KB [ 643.097549] ebitmap_node 1170KB 1555KB [ 643.102921] avtab_node 1012KB 1013KB [ 643.108282] avc_node 43KB 47KB [ 643.113692] selinux_file_security 262KB 561KB [ 643.119398] selinux_inode_security 3198KB 3652KB [ 643.125226] key_jar 3KB 7KB [ 643.130600] uts_namespace 4KB 11KB [ 643.136031] nsproxy 2KB 7KB [ 643.141393] vm_area_struct 9647KB 12212KB [ 643.146770] mm_struct 2257KB 2535KB [ 643.152137] fs_cache 178KB 428KB [ 643.157486] files_cache 675KB 926KB [ 643.162874] signal_cache 1285KB 1796KB [ 643.168305] sighand_cache 481KB 527KB [ 643.173702] task_struct 5568KB 5624KB [ 643.179057] cred_jar 1123KB 2060KB [ 643.184433] anon_vma_chain 4393KB 6217KB [ 643.189777] anon_vma 194KB 373KB [ 643.195158] pid 52KB 264KB [ 643.200516] Acpi-Operand 106KB 162KB [ 643.205894] Acpi-Namespace 19KB 23KB [ 643.211652] numa_policy 0KB 3KB [ 643.217031] debug_objects_cache 969KB 1106KB [ 643.222579] trace_event_file 260KB 262KB [ 643.227924] ftrace_event_field 376KB 381KB [ 643.233417] pool_workqueue 99KB 108KB [ 643.238772] task_group 5KB 7KB [ 643.244187] page->ptl 1668KB 2846KB [ 643.249558] kmalloc-4M 5492736KB 5492736KB [ 643.254934] kmalloc-2M 2050KB 2050KB [ 643.260499] kmalloc-512k 2056KB 2056KB [ 643.265892] kmalloc-256k 1290KB 1290KB [ 643.271244] kmalloc-128k 650KB 650KB [ 643.276641] kmalloc-64k 330KB 330KB [ 643.282033] kmalloc-32k 31746KB 31746KB [ 643.287384] kmalloc-16k 2953KB 2953KB [ 643.292760] kmalloc-8k 2186KB 2244KB [ 643.298104] kmalloc-4k 16698KB 16736KB [ 643.303479] kmalloc-2k 10406KB 10423KB [ 643.308824] kmalloc-1k 5740KB 5890KB [ 643.314216] kmalloc-512 5326KB 5535KB [ 643.319572] kmalloc-256 3499KB 3618KB [ 643.324946] kmalloc-128 1034KB 1090KB [ 643.330291] kmalloc-96 2336KB 2360KB [ 643.335685] kmalloc-64 2946KB 3744KB [ 643.341046] kmalloc-32 2771KB 3106KB [ 643.346429] kmalloc-192 848KB 972KB [ 643.351779] kmem_cache 221KB 225KB [ 643.357193] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 643.365354] Killed process 13416 (syz-executor2) total-vm:37444kB, anon-rss:68kB, file-rss:0kB, shmem-rss:0kB 2018/12/11 18:36:40 executed programs: 2531 [ 645.763953] syz-executor1 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 645.788555] syz-executor1 cpuset=syz1 mems_allowed=0 [ 645.800537] CPU: 1 PID: 12536 Comm: syz-executor1 Not tainted 4.20.0-rc6+ #151 [ 645.807910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 645.817269] Call Trace: [ 645.819853] dump_stack+0x244/0x39d [ 645.823472] ? dump_stack_print_info.cold.1+0x20/0x20 [ 645.828659] ? mark_held_locks+0x130/0x130 [ 645.832894] ? mark_held_locks+0x130/0x130 [ 645.837121] dump_header+0x27b/0xf72 [ 645.840932] ? pagefault_out_of_memory+0x197/0x197 [ 645.845854] ? mark_held_locks+0x130/0x130 [ 645.850076] ? __lock_acquire+0x62f/0x4c20 [ 645.854386] ? percpu_ref_get_many+0x240/0x240 [ 645.859067] ? print_usage_bug+0xc0/0xc0 [ 645.863120] ? zap_class+0x640/0x640 [ 645.866822] ? print_usage_bug+0xc0/0xc0 [ 645.870870] ? print_usage_bug+0xc0/0xc0 [ 645.874928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 645.880455] ? find_held_lock+0x36/0x1c0 [ 645.884599] ? mark_held_locks+0xc7/0x130 [ 645.888737] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 645.893827] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 645.898925] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 645.903501] ? trace_hardirqs_on+0xbd/0x310 [ 645.907811] ? kasan_check_read+0x11/0x20 [ 645.911948] ? ___ratelimit+0x3b4/0x672 [ 645.915912] ? trace_hardirqs_off_caller+0x310/0x310 [ 645.921008] ? trace_hardirqs_on+0x310/0x310 [ 645.925407] ? lock_downgrade+0x900/0x900 [ 645.929545] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 645.934641] ? ___ratelimit+0x3b9/0x672 [ 645.938606] ? idr_get_free+0xf70/0xf70 [ 645.942568] ? kasan_check_read+0x11/0x20 [ 645.946712] ? do_raw_spin_unlock+0xa7/0x330 [ 645.951119] oom_kill_process.cold.27+0x10/0x903 [ 645.955875] ? zap_class+0x640/0x640 [ 645.959577] ? _raw_spin_unlock+0x2c/0x50 [ 645.963715] ? oom_badness+0xe6/0xaa0 [ 645.967512] ? oom_evaluate_task+0x540/0x540 [ 645.971917] ? find_held_lock+0x36/0x1c0 [ 645.975970] ? out_of_memory+0x974/0x1430 [ 645.980109] ? lock_downgrade+0x900/0x900 [ 645.984251] ? check_preemption_disabled+0x48/0x280 [ 645.989346] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 645.994264] ? kasan_check_read+0x11/0x20 [ 645.998403] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 646.003670] ? rcu_softirq_qs+0x20/0x20 [ 646.007634] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 646.012635] ? oom_evaluate_task+0x302/0x540 [ 646.017031] out_of_memory+0xa84/0x1430 [ 646.020998] ? oom_killer_disable+0x3a0/0x3a0 [ 646.025481] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 646.030400] ? __ww_mutex_check_waiters+0x160/0x160 [ 646.035413] __alloc_pages_slowpath+0x232c/0x2de0 [ 646.040261] ? warn_alloc+0x120/0x120 [ 646.044054] ? mark_held_locks+0x130/0x130 [ 646.048278] ? mark_held_locks+0x130/0x130 [ 646.052506] ? warn_alloc+0x120/0x120 [ 646.056297] ? print_usage_bug+0xc0/0xc0 [ 646.060350] ? print_usage_bug+0xc0/0xc0 [ 646.064400] ? print_usage_bug+0xc0/0xc0 [ 646.068452] ? unwind_dump+0x190/0x190 [ 646.072333] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 646.077856] ? should_fail+0x22d/0xd01 [ 646.081825] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 646.086923] ? zap_class+0x640/0x640 [ 646.090638] ? find_held_lock+0x36/0x1c0 [ 646.094699] ? lock_release+0xa00/0xa00 [ 646.098664] ? perf_trace_sched_process_exec+0x860/0x860 [ 646.104100] ? check_preemption_disabled+0x48/0x280 [ 646.109109] ? __might_sleep+0x95/0x190 [ 646.113082] __alloc_pages_nodemask+0xad8/0xea0 [ 646.117750] ? zap_class+0x640/0x640 [ 646.121541] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 646.126551] ? find_held_lock+0x36/0x1c0 [ 646.130606] ? cache_grow_begin+0x65/0x8c0 [ 646.134831] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 646.139406] ? trace_hardirqs_on+0xbd/0x310 [ 646.143717] ? fallback_alloc+0x204/0x2e0 [ 646.147854] ? trace_hardirqs_off_caller+0x310/0x310 [ 646.152949] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 646.158481] cache_grow_begin+0xa5/0x8c0 [ 646.162531] ? do_raw_spin_unlock+0xa7/0x330 [ 646.166931] fallback_alloc+0x204/0x2e0 [ 646.170917] ____cache_alloc_node+0x1c7/0x1e0 [ 646.175405] kmem_cache_alloc+0x1f8/0x730 [ 646.179539] ? rcu_pm_notify+0xc0/0xc0 [ 646.183423] getname_flags+0xd0/0x590 [ 646.187214] user_path_at_empty+0x2d/0x50 [ 646.191353] vfs_statx+0x129/0x210 [ 646.194882] ? vfs_statx_fd+0xc0/0xc0 [ 646.198681] __do_sys_newlstat+0x8f/0x110 [ 646.202816] ? __do_sys_newstat+0x110/0x110 [ 646.207134] ? do_syscall_64+0x9a/0x820 [ 646.211584] ? do_syscall_64+0x9a/0x820 [ 646.215549] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 646.220137] ? trace_hardirqs_on+0xbd/0x310 [ 646.224451] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 646.229802] ? trace_hardirqs_off_caller+0x310/0x310 [ 646.234900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 646.240426] ? getname_flags+0x26e/0x590 [ 646.244478] __x64_sys_newlstat+0x54/0x80 [ 646.248617] do_syscall_64+0x1b9/0x820 [ 646.252493] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 646.257845] ? syscall_return_slowpath+0x5e0/0x5e0 [ 646.262766] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 646.267603] ? trace_hardirqs_on_caller+0x310/0x310 [ 646.272616] ? prepare_exit_to_usermode+0x291/0x3b0 [ 646.277624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 646.282475] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 646.287656] RIP: 0033:0x456a35 [ 646.290850] Code: Bad RIP value. [ 646.294202] RSP: 002b:00007fff9c1bbe98 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 [ 646.301915] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000456a35 [ 646.309177] RDX: 00007fff9c1bbeb0 RSI: 00007fff9c1bbeb0 RDI: 00007fff9c1bbf40 [ 646.316434] RBP: 0000000000000122 R08: 0000000000000000 R09: 000000000000000f [ 646.323708] R10: 000000000000000a R11: 0000000000000246 R12: 00007fff9c1bcfd0 [ 646.330967] R13: 00000000014ba940 R14: 0000000000000000 R15: 0000000000000001 [ 646.362374] Mem-Info: [ 646.364860] active_anon:5708 inactive_anon:190 isolated_anon:0 [ 646.364860] active_file:31 inactive_file:38 isolated_file:0 [ 646.364860] unevictable:0 dirty:0 writeback:5 unstable:0 [ 646.364860] slab_reclaimable:12743 slab_unreclaimable:1477245 [ 646.364860] mapped:49 shmem:245 pagetables:456 bounce:0 [ 646.364860] free:24428 free_pcp:155 free_cma:0 [ 646.449162] Node 0 active_anon:22832kB inactive_anon:760kB active_file:124kB inactive_file:444kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196kB dirty:0kB writeback:20kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 646.556781] 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 [ 646.627898] lowmem_reserve[]: 0 2818 6321 6321 [ 646.632745] Node 0 DMA32 free:44064kB min:30052kB low:37564kB high:45076kB active_anon:16kB inactive_anon:0kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 646.669681] lowmem_reserve[]: 0 0 3503 3503 [ 646.674197] Node 0 Normal free:37736kB min:37364kB low:46704kB high:56044kB active_anon:22828kB inactive_anon:760kB active_file:216kB inactive_file:0kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6944kB pagetables:1832kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 646.704962] lowmem_reserve[]: 0 0 0 0 [ 646.711834] 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 [ 646.731142] Node 0 DMA32: 8*4kB (UM) 6*8kB (UME) 5*16kB (UM) 6*32kB (ME) 5*64kB (ME) 3*128kB (M) 4*256kB (ME) 2*512kB (ME) 4*1024kB (ME) 4*2048kB (UME) 7*4096kB (UM) = 44064kB [ 646.769227] Node 0 Normal: 1483*4kB (UME) 915*8kB (UMEH) 332*16kB (ME) 139*32kB (UME) 84*64kB (UME) 39*128kB (UME) 17*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 37732kB [ 646.805009] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 646.815431] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 646.824902] 383 total pagecache pages [ 646.828711] 0 pages in swap cache [ 646.832194] Swap cache stats: add 0, delete 0, find 0/0 [ 646.837694] Free swap = 0kB [ 646.840707] Total swap = 0kB [ 646.844174] 1965979 pages RAM [ 646.847278] 0 pages HighMem/MovableOnly [ 646.851238] 342853 pages reserved [ 646.854727] 0 pages cma reserved [ 646.858096] Unreclaimable slab info: [ 646.861852] Name Used Total [ 646.867404] pid_2 91KB 156KB [ 646.873876] TIPC 17KB 28KB [ 646.879253] SCTPv6 24KB 30KB [ 646.884690] DCCPv6 14KB 21KB [ 646.890056] DCCP 13KB 20KB [ 646.895503] bridge_fdb_cache 14KB 23KB [ 646.900870] fib6_nodes 98KB 120KB [ 646.906273] ip6_dst_cache 181KB 251KB [ 646.912036] RAWv6 117KB 117KB [ 646.917586] UDPv6 3KB 3KB [ 646.944567] TCPv6 20KB 23KB [ 646.949973] nf_conntrack 0KB 3KB [ 647.025556] sd_ext_cdb 0KB 3KB [ 647.030982] scsi_sense_cache 1056KB 1060KB [ 647.110577] virtio_scsi_cmd 16KB 16KB [ 647.116072] sgpool-128 8KB 8KB [ 647.121438] sgpool-64 4KB 6KB [ 647.168084] sgpool-32 2KB 7KB [ 647.200989] sgpool-16 1KB 3KB [ 647.240578] sgpool-8 0KB 3KB [ 647.278730] mqueue_inode_cache 14KB 28KB [ 647.299220] bio_post_read_ctx 14KB 15KB [ 647.341671] bio-2 14KB 15KB [ 647.373429] jfs_mp 7KB 7KB [ 647.378847] nfs_commit_data 3KB 7KB [ 647.452895] nfs_write_data 32KB 32KB [ 647.458329] ext4_system_zone 0KB 3KB [ 647.521296] bio-1 1KB 3KB [ 647.567049] pid_namespace 3KB 11KB [ 647.589177] rpc_buffers 17KB 19KB [ 647.613606] rpc_tasks 2KB 3KB [ 647.619344] UNIX 36KB 36KB [ 647.624962] tcp_bind_bucket 1KB 4KB [ 647.630577] ip_fib_trie 14KB 19KB [ 647.649383] ip_fib_alias 65KB 79KB [ 647.654820] ip_dst_cache 1KB 8KB [ 647.660256] RAW 69KB 71KB [ 647.683490] UDP 24KB 45KB [ 647.688887] TCP 5KB 5KB [ 647.694366] hugetlbfs_inode_cache 2KB 7KB [ 647.700098] fscache_cookie_jar 1KB 7KB [ 647.705654] eventpoll_pwq 23KB 43KB [ 647.711025] eventpoll_epi 42KB 82KB [ 647.716407] inotify_inode_mark 36KB 82KB [ 647.721915] request_queue 164KB 164KB [ 647.727272] blkdev_ioc 38KB 38KB [ 647.732666] bio-0 3285KB 3285KB [ 647.738028] biovec-max 2574KB 2574KB [ 647.743412] biovec-64 1756KB 1756KB [ 647.748761] biovec-16 603KB 603KB [ 647.754166] bio_integrity_payload 1KB 3KB [ 647.759889] khugepaged_mm_slot 0KB 3KB [ 647.765372] dmaengine-unmap-256 2KB 6KB [ 647.770898] dmaengine-unmap-128 1KB 3KB [ 647.776458] dmaengine-unmap-16 0KB 4KB [ 647.781919] dmaengine-unmap-2 0KB 3KB [ 647.787272] skbuff_fclone_cache 11KB 11KB [ 647.792817] skbuff_head_cache 2088KB 2088KB [ 647.798188] configfs_dir_cache 0KB 4KB [ 647.805016] file_lock_cache 0KB 3KB [ 647.810498] file_lock_ctx 0KB 3KB [ 647.816147] fsnotify_mark_connector 22KB 51KB [ 647.822085] net_namespace 94KB 94KB [ 647.827432] shmem_inode_cache 5172KB 5508KB [ 647.832825] task_delay_info 176KB 437KB [ 647.838172] proc_dir_entry 810KB 813KB [ 647.843545] pde_opener 0KB 3KB [ 647.848889] seq_file 182KB 334KB [ 647.854358] sigqueue 74KB 189KB [ 647.859704] kernfs_node_cache 10899KB 11095KB [ 647.865082] mnt_cache 117KB 132KB [ 647.870426] filp 4154KB 6461KB [ 647.875804] names_cache 84541KB 84541KB [ 647.881147] iint_cache 31KB 67KB [ 647.886540] hashtab_node 118KB 119KB [ 647.891908] ebitmap_node 1167KB 1555KB [ 647.897261] avtab_node 1012KB 1013KB [ 647.902667] avc_node 43KB 47KB [ 647.908017] selinux_file_security 262KB 561KB [ 647.913736] selinux_inode_security 3198KB 3652KB [ 647.919517] key_jar 3KB 7KB [ 647.925998] uts_namespace 4KB 11KB [ 647.931565] nsproxy 2KB 7KB [ 647.937113] vm_area_struct 9452KB 12197KB [ 647.942520] mm_struct 2232KB 2535KB [ 647.947876] fs_cache 177KB 428KB [ 647.953258] files_cache 666KB 918KB [ 647.958665] signal_cache 1267KB 1796KB [ 647.964048] sighand_cache 474KB 520KB [ 647.969394] task_struct 5537KB 5593KB [ 647.974816] cred_jar 1109KB 2060KB [ 647.980177] anon_vma_chain 4281KB 6217KB [ 647.985556] anon_vma 197KB 373KB [ 647.990906] pid 48KB 260KB [ 647.996292] Acpi-Operand 106KB 162KB [ 648.001640] Acpi-Namespace 19KB 23KB [ 648.007017] numa_policy 0KB 3KB [ 648.012453] debug_objects_cache 968KB 1106KB [ 648.018000] trace_event_file 260KB 262KB [ 648.023383] ftrace_event_field 376KB 381KB [ 648.028822] pool_workqueue 99KB 108KB [ 648.034210] task_group 5KB 7KB [ 648.039583] page->ptl 1655KB 2846KB [ 648.045025] kmalloc-4M 5492736KB 5492736KB [ 648.050386] kmalloc-2M 2050KB 2050KB [ 648.055770] kmalloc-512k 2056KB 2056KB [ 648.061140] kmalloc-256k 1290KB 1290KB [ 648.066621] kmalloc-128k 650KB 650KB [ 648.072152] kmalloc-64k 330KB 330KB [ 648.077653] kmalloc-32k 31746KB 31746KB [ 648.083260] kmalloc-16k 2953KB 2953KB [ 648.088828] kmalloc-8k 2186KB 2227KB [ 648.094312] kmalloc-4k 16502KB 16541KB [ 648.099672] kmalloc-2k 10427KB 10429KB [ 648.105085] kmalloc-1k 5754KB 5890KB [ 648.110435] kmalloc-512 5317KB 5535KB [ 648.115811] kmalloc-256 3499KB 3618KB [ 648.121258] kmalloc-128 1040KB 1090KB [ 648.126641] kmalloc-96 2372KB 2372KB [ 648.132032] kmalloc-64 2946KB 3744KB [ 648.137377] kmalloc-32 2763KB 3106KB [ 648.142755] kmalloc-192 848KB 972KB [ 648.148102] kmem_cache 221KB 225KB [ 648.153476] Out of memory: Kill process 13435 (syz-executor4) score 999 or sacrifice child [ 648.162550] Killed process 13435 (syz-executor4) total-vm:37440kB, anon-rss:84kB, file-rss:0kB, shmem-rss:0kB [ 648.173669] oom_reaper: reaped process 13435 (syz-executor4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 648.411676] udevd invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 648.488501] udevd cpuset=/ mems_allowed=0 [ 648.513141] CPU: 0 PID: 11539 Comm: udevd Not tainted 4.20.0-rc6+ #151 [ 648.519852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 648.529214] Call Trace: [ 648.531814] dump_stack+0x244/0x39d [ 648.535449] ? dump_stack_print_info.cold.1+0x20/0x20 [ 648.540767] ? mark_held_locks+0x130/0x130 [ 648.545474] ? mark_held_locks+0x130/0x130 [ 648.549699] dump_header+0x27b/0xf72 [ 648.553418] ? pagefault_out_of_memory+0x197/0x197 [ 648.558347] ? __lock_acquire+0x62f/0x4c20 [ 648.562732] ? percpu_ref_get_many+0x240/0x240 [ 648.567306] ? print_usage_bug+0xc0/0xc0 [ 648.571353] ? print_usage_bug+0xc0/0xc0 [ 648.575418] ? zap_class+0x640/0x640 [ 648.579119] ? print_usage_bug+0xc0/0xc0 [ 648.583427] ? print_usage_bug+0xc0/0xc0 [ 648.587474] ? zap_class+0x640/0x640 [ 648.591175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.596704] ? find_held_lock+0x36/0x1c0 [ 648.600776] ? mark_held_locks+0xc7/0x130 [ 648.604916] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 648.610011] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 648.615110] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 648.619680] ? trace_hardirqs_on+0xbd/0x310 [ 648.623998] ? kasan_check_read+0x11/0x20 [ 648.628131] ? ___ratelimit+0x3b4/0x672 [ 648.632094] ? trace_hardirqs_off_caller+0x310/0x310 [ 648.637185] ? trace_hardirqs_on+0x310/0x310 [ 648.641582] ? lock_downgrade+0x900/0x900 [ 648.645723] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 648.650811] ? ___ratelimit+0x3b9/0x672 [ 648.654773] ? idr_get_free+0xf70/0xf70 [ 648.658733] ? find_held_lock+0x36/0x1c0 [ 648.662784] oom_kill_process.cold.27+0x10/0x903 [ 648.667528] ? zap_class+0x640/0x640 [ 648.671230] ? check_preemption_disabled+0x48/0x280 [ 648.676249] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 648.681203] ? kasan_check_read+0x11/0x20 [ 648.685344] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 648.690609] ? oom_evaluate_task+0x540/0x540 [ 648.695112] ? find_held_lock+0x36/0x1c0 [ 648.699166] ? out_of_memory+0x974/0x1430 [ 648.703305] ? lock_downgrade+0x900/0x900 [ 648.707559] ? check_preemption_disabled+0x48/0x280 [ 648.712565] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 648.717480] ? kasan_check_read+0x11/0x20 [ 648.721614] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 648.726878] ? rcu_softirq_qs+0x20/0x20 [ 648.730863] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 648.736387] ? oom_evaluate_task+0x302/0x540 [ 648.740791] out_of_memory+0xa84/0x1430 [ 648.744760] ? unreserve_highatomic_pageblock+0x3a0/0x5d0 [ 648.750288] ? oom_killer_disable+0x3a0/0x3a0 [ 648.754771] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 648.759689] ? __ww_mutex_check_waiters+0x160/0x160 [ 648.764697] ? find_next_bit+0x104/0x130 [ 648.768748] __alloc_pages_slowpath+0x232c/0x2de0 [ 648.773592] ? warn_alloc+0x120/0x120 [ 648.777407] ? mark_held_locks+0x130/0x130 [ 648.781629] ? find_get_entry+0xaae/0x1120 [ 648.785856] ? filemap_map_pages+0x1a20/0x1a20 [ 648.790450] ? zap_class+0x640/0x640 [ 648.794157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 648.799684] ? check_preemption_disabled+0x48/0x280 [ 648.804689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 648.810217] ? should_fail+0x22d/0xd01 [ 648.814096] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 648.819191] ? zap_class+0x640/0x640 [ 648.822901] ? __lock_is_held+0xb5/0x140 [ 648.826959] ? mark_held_locks+0x130/0x130 [ 648.831185] ? lock_release+0xa00/0xa00 [ 648.835163] ? perf_trace_sched_process_exec+0x860/0x860 [ 648.840623] ? xa_load+0x2ba/0x460 [ 648.844155] ? lock_downgrade+0x900/0x900 [ 648.848295] ? __might_sleep+0x95/0x190 [ 648.852268] __alloc_pages_nodemask+0xad8/0xea0 [ 648.856940] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 648.861943] ? __page_cache_alloc+0x191/0x5c0 [ 648.866433] ? xa_load+0x2e1/0x460 [ 648.869965] ? xa_clear_mark+0x40/0x40 [ 648.873839] ? zap_class+0x640/0x640 [ 648.877543] ? zap_class+0x640/0x640 [ 648.881239] ? zap_class+0x640/0x640 [ 648.884942] ? __do_page_cache_readahead+0x663/0x810 [ 648.890036] ? find_held_lock+0x36/0x1c0 [ 648.894094] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 648.899621] alloc_pages_current+0x173/0x350 [ 648.904034] __page_cache_alloc+0x38c/0x5c0 [ 648.908350] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 648.913266] ? kasan_check_read+0x11/0x20 [ 648.917397] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 648.922672] ? generic_perform_write+0x6a0/0x6a0 [ 648.927414] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 648.932942] ? check_preemption_disabled+0x48/0x280 [ 648.937949] filemap_fault+0x1595/0x25f0 [ 648.942004] ? __lock_page_or_retry+0xa00/0xa00 [ 648.946660] ? mark_held_locks+0x130/0x130 [ 648.950890] ? filemap_map_pages+0xd6b/0x1a20 [ 648.955379] ? lock_downgrade+0x900/0x900 [ 648.959517] ? check_preemption_disabled+0x48/0x280 [ 648.964524] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 648.969439] ? kasan_check_read+0x11/0x20 [ 648.973571] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 648.978849] ? rcu_softirq_qs+0x20/0x20 [ 648.982824] ? filemap_map_pages+0xd92/0x1a20 [ 648.987313] ? find_get_entries_tag+0x1400/0x1400 [ 648.992157] ? lock_acquire+0x1ed/0x520 [ 648.996130] ? alloc_set_pte+0x1447/0x1f40 [ 649.000362] ? lock_acquire+0x1ed/0x520 [ 649.004324] ? ext4_filemap_fault+0x7a/0xad [ 649.008650] ? lock_release+0xa00/0xa00 [ 649.012622] ? perf_trace_sched_process_exec+0x860/0x860 [ 649.018244] ? print_usage_bug+0xc0/0xc0 [ 649.022293] ? print_usage_bug+0xc0/0xc0 [ 649.026350] ? down_read+0x8d/0x120 [ 649.029963] ? ext4_filemap_fault+0x7a/0xad [ 649.034286] ? __down_interruptible+0x700/0x700 [ 649.038950] ext4_filemap_fault+0x82/0xad [ 649.043484] __do_fault+0x100/0x6b0 [ 649.047098] ? unlock_page+0x2c2/0x4c0 [ 649.050972] ? pmd_devmap_trans_unstable+0x220/0x220 [ 649.056066] ? mark_held_locks+0x130/0x130 [ 649.060288] ? mark_held_locks+0x130/0x130 [ 649.064509] ? do_raw_spin_trylock+0x270/0x270 [ 649.069081] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 649.074605] __handle_mm_fault+0x3ea6/0x5be0 [ 649.079002] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 649.083834] ? trace_hardirqs_off+0xb8/0x310 [ 649.088228] ? kasan_check_read+0x11/0x20 [ 649.092359] ? do_raw_spin_unlock+0xa7/0x330 [ 649.096751] ? trace_hardirqs_on+0x310/0x310 [ 649.101148] ? zap_class+0x640/0x640 [ 649.104872] ? zap_class+0x640/0x640 [ 649.108583] ? find_held_lock+0x36/0x1c0 [ 649.112631] ? handle_mm_fault+0x42a/0xc70 [ 649.116849] ? lock_downgrade+0x900/0x900 [ 649.120980] ? check_preemption_disabled+0x48/0x280 [ 649.125986] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 649.130914] ? kasan_check_read+0x11/0x20 [ 649.135053] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 649.140330] ? rcu_softirq_qs+0x20/0x20 [ 649.144298] ? trace_hardirqs_off_caller+0x310/0x310 [ 649.149407] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 649.154940] ? check_preemption_disabled+0x48/0x280 [ 649.159949] handle_mm_fault+0x54f/0xc70 [ 649.164000] ? __handle_mm_fault+0x5be0/0x5be0 [ 649.168568] ? find_vma+0x34/0x190 [ 649.172099] __do_page_fault+0x5e8/0xe60 [ 649.176152] ? trace_hardirqs_off+0xb8/0x310 [ 649.180552] do_page_fault+0xf2/0x7e0 [ 649.184338] ? vmalloc_sync_all+0x30/0x30 [ 649.188487] ? error_entry+0x70/0xd0 [ 649.192189] ? trace_hardirqs_off_caller+0xbb/0x310 [ 649.197190] ? trace_hardirqs_on_caller+0xc0/0x310 [ 649.202367] ? syscall_return_slowpath+0x5e0/0x5e0 [ 649.207590] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 649.212424] ? trace_hardirqs_on_caller+0x310/0x310 [ 649.217423] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 649.222864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 649.228412] ? prepare_exit_to_usermode+0x291/0x3b0 [ 649.233431] ? page_fault+0x8/0x30 [ 649.236960] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 649.241797] ? page_fault+0x8/0x30 [ 649.245330] page_fault+0x1e/0x30 [ 649.248763] RIP: 0033:0x7f2d82584ff3 [ 649.252470] Code: Bad RIP value. [ 649.255813] RSP: 002b:00007ffe861ade48 EFLAGS: 00010297 [ 649.261162] RAX: 00007ffe861adead RBX: 00000000000003f3 RCX: 0000000000000008 [ 649.268413] RDX: 000000000000000d RSI: 000000000079dcab RDI: 00007ffe861adea0 [ 649.275689] RBP: 000000000000000d R08: 000000000079dcab R09: 0000000000000000 [ 649.282945] R10: 00007f2d82575060 R11: 00007f2d825b6c10 R12: 000000000079dcab [ 649.290201] R13: 00007ffe861ade88 R14: 000000000074d030 R15: 0000000000785a00 [ 649.300426] Mem-Info: [ 649.303037] active_anon:5699 inactive_anon:190 isolated_anon:0 [ 649.303037] active_file:14 inactive_file:75 isolated_file:0 [ 649.303037] unevictable:0 dirty:0 writeback:0 unstable:0 [ 649.303037] slab_reclaimable:12618 slab_unreclaimable:1477195 [ 649.303037] mapped:14 shmem:245 pagetables:451 bounce:0 [ 649.303037] free:24305 free_pcp:325 free_cma:0 [ 649.335971] Node 0 active_anon:22796kB inactive_anon:760kB active_file:56kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 649.364959] 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 [ 649.401705] lowmem_reserve[]: 0 2818 6321 6321 [ 649.406528] Node 0 DMA32 free:44064kB min:30052kB low:37564kB high:45076kB active_anon:16kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 649.434149] lowmem_reserve[]: 0 0 3503 3503 [ 649.438849] Node 0 Normal free:37488kB min:37364kB low:46704kB high:56044kB active_anon:22784kB inactive_anon:760kB active_file:112kB inactive_file:404kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:1808kB bounce:0kB free_pcp:360kB local_pcp:32kB free_cma:0kB [ 649.468023] lowmem_reserve[]: 0 0 0 0 [ 649.471997] 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 [ 649.486016] Node 0 DMA32: 8*4kB (UM) 6*8kB (UME) 5*16kB (UM) 6*32kB (ME) 5*64kB (ME) 3*128kB (M) 4*256kB (ME) 2*512kB (ME) 4*1024kB (ME) 4*2048kB (UME) 7*4096kB (UM) = 44064kB [ 649.502130] Node 0 Normal: 1353*4kB (UME) 954*8kB (UME) 343*16kB (UME) 144*32kB (UME) 79*64kB (ME) 39*128kB (UME) 17*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 37540kB [ 649.519871] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 649.529074] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 649.537994] 535 total pagecache pages [ 649.542055] 0 pages in swap cache [ 649.545589] Swap cache stats: add 0, delete 0, find 0/0 [ 649.550953] Free swap = 0kB [ 649.554012] Total swap = 0kB [ 649.557028] 1965979 pages RAM [ 649.560138] 0 pages HighMem/MovableOnly [ 649.564151] 342853 pages reserved [ 649.567597] 0 pages cma reserved [ 649.570970] Unreclaimable slab info: [ 649.574721] Name Used Total [ 649.580274] pid_2 90KB 156KB [ 649.585725] TIPC 17KB 28KB [ 649.591267] SCTPv6 24KB 30KB [ 649.596865] DCCPv6 14KB 21KB [ 649.602489] DCCP 13KB 20KB [ 649.608195] bridge_fdb_cache 14KB 23KB [ 649.614292] fib6_nodes 98KB 120KB [ 649.620010] ip6_dst_cache 181KB 251KB [ 649.625562] RAWv6 117KB 117KB [ 649.631143] UDPv6 3KB 3KB [ 649.638254] TCPv6 20KB 23KB [ 649.672377] nf_conntrack 0KB 3KB [ 649.683788] sd_ext_cdb 0KB 3KB [ 649.689454] scsi_sense_cache 1056KB 1060KB [ 649.705743] virtio_scsi_cmd 16KB 16KB [ 649.711242] sgpool-128 8KB 8KB [ 649.736594] sgpool-64 4KB 6KB [ 649.756296] sgpool-32 2KB 7KB [ 649.764855] sgpool-16 1KB 3KB [ 649.770357] sgpool-8 0KB 3KB [ 649.775873] mqueue_inode_cache 14KB 28KB [ 649.781446] bio_post_read_ctx 14KB 15KB [ 649.787053] bio-2 14KB 15KB [ 649.794165] jfs_mp 7KB 7KB [ 649.820917] nfs_commit_data 3KB 7KB [ 649.829648] nfs_write_data 32KB 32KB [ 649.836550] ext4_system_zone 0KB 3KB [ 649.843249] bio-1 1KB 3KB [ 649.848928] pid_namespace 3KB 11KB [ 649.854624] rpc_buffers 17KB 19KB [ 649.860281] rpc_tasks 2KB 3KB [ 649.866077] UNIX 36KB 36KB [ 649.874964] tcp_bind_bucket 1KB 4KB [ 649.883775] ip_fib_trie 14KB 19KB [ 649.889161] ip_fib_alias 65KB 79KB [ 649.894557] ip_dst_cache 1KB 8KB [ 649.899938] RAW 69KB 71KB [ 649.905314] UDP 24KB 45KB [ 649.910681] TCP 5KB 5KB [ 649.916056] hugetlbfs_inode_cache 2KB 7KB [ 649.921764] fscache_cookie_jar 1KB 7KB [ 649.927263] eventpoll_pwq 21KB 43KB [ 649.932666] eventpoll_epi 40KB 82KB [ 649.938036] inotify_inode_mark 35KB 82KB [ 649.943641] request_queue 164KB 164KB [ 649.949126] blkdev_ioc 36KB 38KB [ 649.954659] bio-0 3401KB 3401KB [ 649.960125] biovec-max 2574KB 2574KB [ 649.965778] biovec-64 1897KB 1897KB [ 649.971257] biovec-16 622KB 622KB [ 649.976756] bio_integrity_payload 1KB 3KB [ 649.982681] khugepaged_mm_slot 0KB 3KB [ 649.988239] dmaengine-unmap-256 2KB 6KB [ 649.994067] dmaengine-unmap-128 1KB 3KB [ 649.999612] dmaengine-unmap-16 0KB 4KB [ 650.019411] dmaengine-unmap-2 0KB 3KB [ 650.025852] skbuff_fclone_cache 10KB 11KB [ 650.031541] skbuff_head_cache 2088KB 2088KB [ 650.037148] configfs_dir_cache 0KB 4KB [ 650.042770] file_lock_cache 0KB 3KB [ 650.048299] file_lock_ctx 0KB 3KB [ 650.053857] fsnotify_mark_connector 21KB 51KB [ 650.059885] net_namespace 94KB 94KB [ 650.065442] shmem_inode_cache 5133KB 5485KB [ 650.070954] task_delay_info 175KB 437KB [ 650.076514] proc_dir_entry 810KB 813KB [ 650.082044] pde_opener 0KB 3KB [ 650.087567] seq_file 165KB 334KB [ 650.092978] sigqueue 73KB 189KB [ 650.098398] kernfs_node_cache 10870KB 11060KB [ 650.103872] mnt_cache 117KB 132KB [ 650.109309] filp 4120KB 6453KB [ 650.114778] names_cache 84677KB 84677KB [ 650.120221] iint_cache 35KB 67KB [ 650.125688] hashtab_node 118KB 119KB [ 650.131139] ebitmap_node 1165KB 1555KB [ 650.136685] avtab_node 1012KB 1013KB [ 650.142349] avc_node 43KB 47KB [ 650.147923] selinux_file_security 258KB 561KB [ 650.154854] selinux_inode_security 3198KB 3652KB [ 650.160747] key_jar 3KB 7KB [ 650.166163] uts_namespace 4KB 11KB [ 650.171904] nsproxy 2KB 7KB [ 650.177747] vm_area_struct 9446KB 12197KB [ 650.183372] mm_struct 2224KB 2535KB [ 650.188741] fs_cache 175KB 428KB [ 650.194150] files_cache 655KB 915KB [ 650.199675] signal_cache 1259KB 1796KB [ 650.205266] sighand_cache 471KB 520KB [ 650.210654] task_struct 5513KB 5556KB [ 650.232270] cred_jar 1103KB 2060KB [ 650.251094] anon_vma_chain 4276KB 6217KB [ 650.275243] anon_vma 189KB 373KB [ 650.281054] pid 47KB 256KB [ 650.286632] Acpi-Operand 106KB 162KB [ 650.292355] Acpi-Namespace 19KB 23KB [ 650.297806] numa_policy 0KB 3KB [ 650.303276] debug_objects_cache 968KB 1106KB [ 650.308823] trace_event_file 260KB 262KB [ 650.314263] ftrace_event_field 376KB 381KB [ 650.319697] pool_workqueue 99KB 108KB [ 650.325073] task_group 5KB 7KB [ 650.330423] page->ptl 1643KB 2846KB [ 650.336079] kmalloc-4M 5492736KB 5492736KB [ 650.341580] kmalloc-2M 2050KB 2050KB [ 650.347137] kmalloc-512k 2056KB 2056KB [ 650.352548] kmalloc-256k 1290KB 1290KB [ 650.357911] kmalloc-128k 650KB 650KB [ 650.363313] kmalloc-64k 330KB 330KB [ 650.368760] kmalloc-32k 31746KB 31746KB [ 650.374319] kmalloc-16k 2953KB 2953KB [ 650.379909] kmalloc-8k 2186KB 2211KB [ 650.385485] kmalloc-4k 16507KB 16528KB [ 650.391229] kmalloc-2k 10423KB 10429KB [ 650.409577] kmalloc-1k 5675KB 5890KB [ 650.415134] kmalloc-512 5288KB 5535KB [ 650.421347] kmalloc-256 3508KB 3618KB [ 650.426973] kmalloc-128 1036KB 1090KB [ 650.432484] kmalloc-96 2380KB 2380KB [ 650.437854] kmalloc-64 2946KB 3744KB [ 650.443263] kmalloc-32 2762KB 3106KB [ 650.448869] kmalloc-192 846KB 972KB [ 650.454571] kmem_cache 221KB 225KB [ 650.460166] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 650.468423] Killed process 6162 (syz-executor4) total-vm:37444kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB 2018/12/11 18:36:46 executed programs: 2535 2018/12/11 18:36:46 result: failed=false hanged=false err=executor 2: EOF [ 651.331576] IPVS: ftp: loaded support on port[0] = 21 2018/12/11 18:36:47 result: failed=false hanged=false err=executor 4: exit status -1 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 651.942968] device bridge_slave_1 left promiscuous mode [ 651.948511] bridge0: port 2(bridge_slave_1) entered disabled state [ 652.002553] device bridge_slave_0 left promiscuous mode [ 652.007998] bridge0: port 1(bridge_slave_0) entered disabled state [ 652.090257] team0 (unregistering): Port device team_slave_1 removed [ 652.099886] team0 (unregistering): Port device team_slave_0 removed [ 652.110579] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 652.185294] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 652.240041] bond0 (unregistering): Released all slaves [ 652.413380] bridge0: port 1(bridge_slave_0) entered blocking state [ 652.419838] bridge0: port 1(bridge_slave_0) entered disabled state [ 652.427552] device bridge_slave_0 entered promiscuous mode [ 652.454900] bridge0: port 2(bridge_slave_1) entered blocking state [ 652.461336] bridge0: port 2(bridge_slave_1) entered disabled state [ 652.469034] device bridge_slave_1 entered promiscuous mode [ 652.496140] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 652.522233] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 652.602361] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 652.630623] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 652.752046] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 652.759468] team0: Port device team_slave_0 added [ 652.786188] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 652.794087] team0: Port device team_slave_1 added [ 652.820631] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 652.849018] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 652.878979] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 652.907522] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 653.151369] bridge0: port 2(bridge_slave_1) entered blocking state [ 653.157803] bridge0: port 2(bridge_slave_1) entered forwarding state [ 653.164499] bridge0: port 1(bridge_slave_0) entered blocking state [ 653.170859] bridge0: port 1(bridge_slave_0) entered forwarding state [ 653.841736] 8021q: adding VLAN 0 to HW filter on device bond0 [ 653.895246] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 653.946821] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 653.953347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 653.960269] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 654.013076] 8021q: adding VLAN 0 to HW filter on device team0 [ 654.452196] IPVS: ftp: loaded support on port[0] = 21 [ 654.810038] bridge0: port 1(bridge_slave_0) entered blocking state [ 654.816875] bridge0: port 1(bridge_slave_0) entered disabled state [ 654.824023] device bridge_slave_0 entered promiscuous mode [ 654.844480] bridge0: port 2(bridge_slave_1) entered blocking state [ 654.850879] bridge0: port 2(bridge_slave_1) entered disabled state [ 654.857988] device bridge_slave_1 entered promiscuous mode [ 654.875790] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 654.894642] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 654.946116] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 654.966133] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 655.042862] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 655.050438] team0: Port device team_slave_0 added [ 655.068469] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 655.075753] team0: Port device team_slave_1 added [ 655.093293] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 655.114174] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 655.134783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 655.155540] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 655.303452] bridge0: port 2(bridge_slave_1) entered blocking state [ 655.309810] bridge0: port 2(bridge_slave_1) entered forwarding state [ 655.316475] bridge0: port 1(bridge_slave_0) entered blocking state [ 655.323136] bridge0: port 1(bridge_slave_0) entered forwarding state [ 655.846201] 8021q: adding VLAN 0 to HW filter on device bond0 [ 655.900305] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 655.953895] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 655.960032] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 655.969076] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 656.017783] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/11 18:36:52 executed programs: 2567 2018/12/11 18:36:57 executed programs: 2898 2018/12/11 18:37:06 executed programs: 2950 [ 675.736084] syz-executor3 invoked oom-killer: gfp_mask=0x6002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 675.758244] syz-executor3 cpuset=syz3 mems_allowed=0 [ 675.763614] CPU: 1 PID: 14655 Comm: syz-executor3 Not tainted 4.20.0-rc6+ #151 [ 675.770976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 675.780329] Call Trace: [ 675.782934] dump_stack+0x244/0x39d [ 675.786574] ? dump_stack_print_info.cold.1+0x20/0x20 [ 675.791780] dump_header+0x27b/0xf72 [ 675.795512] ? mark_held_locks+0x130/0x130 [ 675.799760] ? pagefault_out_of_memory+0x197/0x197 [ 675.804709] ? mark_held_locks+0x130/0x130 [ 675.808947] ? __lock_acquire+0x62f/0x4c20 [ 675.813183] ? zap_class+0x640/0x640 [ 675.816904] ? percpu_ref_get_many+0x240/0x240 [ 675.821494] ? print_usage_bug+0xc0/0xc0 [ 675.825560] ? print_usage_bug+0xc0/0xc0 [ 675.829633] ? zap_class+0x640/0x640 [ 675.833357] ? print_usage_bug+0xc0/0xc0 [ 675.837421] ? print_usage_bug+0xc0/0xc0 [ 675.841496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 675.847043] ? find_held_lock+0x36/0x1c0 [ 675.851115] ? mark_held_locks+0xc7/0x130 [ 675.855271] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 675.860383] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 675.865492] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 675.870080] ? trace_hardirqs_on+0xbd/0x310 [ 675.874414] ? kasan_check_read+0x11/0x20 [ 675.878568] ? ___ratelimit+0x3b4/0x672 [ 675.882554] ? trace_hardirqs_off_caller+0x310/0x310 [ 675.887663] ? trace_hardirqs_on+0x310/0x310 [ 675.892087] ? lock_downgrade+0x900/0x900 [ 675.896248] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 675.901357] ? ___ratelimit+0x3b9/0x672 [ 675.905350] ? idr_get_free+0xf70/0xf70 [ 675.909337] ? kasan_check_read+0x11/0x20 [ 675.913491] ? do_raw_spin_unlock+0xa7/0x330 [ 675.917913] oom_kill_process.cold.27+0x10/0x903 [ 675.922716] ? zap_class+0x640/0x640 [ 675.926436] ? _raw_spin_unlock+0x2c/0x50 [ 675.930597] ? oom_badness+0xe6/0xaa0 [ 675.934408] ? oom_evaluate_task+0x540/0x540 [ 675.938828] ? find_held_lock+0x36/0x1c0 [ 675.942906] ? out_of_memory+0x974/0x1430 [ 675.947065] ? lock_downgrade+0x900/0x900 [ 675.951223] ? check_preemption_disabled+0x48/0x280 [ 675.956254] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 675.961188] ? kasan_check_read+0x11/0x20 [ 675.965339] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 675.970623] ? rcu_softirq_qs+0x20/0x20 [ 675.974616] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 675.979649] ? oom_evaluate_task+0x302/0x540 [ 675.984076] out_of_memory+0xa84/0x1430 [ 675.988066] ? oom_killer_disable+0x3a0/0x3a0 [ 675.992569] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 675.997516] ? __ww_mutex_check_waiters+0x160/0x160 [ 676.002551] __alloc_pages_slowpath+0x232c/0x2de0 [ 676.007415] ? warn_alloc+0x120/0x120 [ 676.011268] ? mark_held_locks+0x130/0x130 [ 676.015523] ? warn_alloc+0x120/0x120 [ 676.019350] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 676.024894] ? should_fail+0x22d/0xd01 [ 676.028795] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 676.033906] ? zap_class+0x640/0x640 [ 676.037622] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 676.042559] ? kasan_check_read+0x11/0x20 [ 676.046718] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 676.052262] ? should_fail+0x22d/0xd01 [ 676.056166] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 676.061279] ? zap_class+0x640/0x640 [ 676.065007] ? zap_class+0x640/0x640 [ 676.068741] ? __lock_is_held+0xb5/0x140 [ 676.072819] ? check_preemption_disabled+0x48/0x280 [ 676.077845] ? lock_release+0xa00/0xa00 [ 676.081824] ? perf_trace_sched_process_exec+0x860/0x860 [ 676.087286] ? __lock_is_held+0xb5/0x140 [ 676.091363] ? __might_sleep+0x95/0x190 [ 676.095447] __alloc_pages_nodemask+0xad8/0xea0 [ 676.100124] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 676.105156] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 676.110178] ? zap_class+0x640/0x640 [ 676.113908] ? __insert_vmap_area+0x550/0x550 [ 676.118588] ? __lock_is_held+0xb5/0x140 [ 676.122681] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 676.128230] alloc_pages_current+0x173/0x350 [ 676.132654] __vmalloc_node_range+0x498/0x750 [ 676.137175] ? newary+0x244/0xb40 [ 676.140637] __vmalloc_node_flags_caller+0x75/0x90 [ 676.145581] ? newary+0x244/0xb40 [ 676.149045] kvmalloc_node+0xd7/0xf0 [ 676.152780] newary+0x244/0xb40 [ 676.156073] ? semctl_stat+0x5f0/0x5f0 [ 676.159974] ? lock_acquire+0x1ed/0x520 [ 676.163963] ? ipcget+0x125/0x11b0 [ 676.167514] ? lock_release+0xa00/0xa00 [ 676.171490] ? perf_trace_sched_process_exec+0x860/0x860 [ 676.176945] ? ipcget+0x85d/0x11b0 [ 676.180507] ? down_write+0x8a/0x130 [ 676.184222] ? ipcget+0x125/0x11b0 [ 676.187773] ? down_read+0x120/0x120 [ 676.191503] ipcget+0x15d/0x11b0 [ 676.194875] ? find_held_lock+0x36/0x1c0 [ 676.198956] ? ipc_obtain_object_check+0xc0/0xc0 [ 676.203724] ? lock_release+0xa00/0xa00 [ 676.208178] ? perf_trace_sched_process_exec+0x860/0x860 [ 676.213637] ? posix_ktime_get_ts+0x15/0x20 [ 676.217975] ? trace_hardirqs_off_caller+0x310/0x310 [ 676.223087] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 676.228019] ? kasan_check_read+0x11/0x20 [ 676.232190] ? kasan_check_read+0x11/0x20 [ 676.236345] ? _copy_to_user+0xc8/0x110 [ 676.240329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 676.245875] ? put_timespec64+0x10f/0x1b0 [ 676.250026] ? nsecs_to_jiffies+0x30/0x30 [ 676.254187] ksys_semget+0x1c0/0x280 [ 676.257911] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 676.262498] ? sem_exit_ns+0x40/0x40 [ 676.266217] ? trace_hardirqs_off_caller+0x310/0x310 [ 676.271329] __x64_sys_semget+0x73/0xb0 [ 676.275311] do_syscall_64+0x1b9/0x820 [ 676.279203] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 676.284575] ? syscall_return_slowpath+0x5e0/0x5e0 [ 676.289510] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 676.294364] ? trace_hardirqs_on_caller+0x310/0x310 [ 676.299387] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 676.304422] ? prepare_exit_to_usermode+0x291/0x3b0 [ 676.309455] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 676.314310] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 676.319491] RIP: 0033:0x457679 [ 676.322704] Code: Bad RIP value. [ 676.326070] RSP: 002b:00007fff9b9d3388 EFLAGS: 00000246 ORIG_RAX: 0000000000000040 [ 676.333781] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457679 [ 676.341053] RDX: 000000000000003f RSI: 0000000000004000 RDI: 0000000000000000 [ 676.348330] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 676.355605] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000166d914 [ 676.362887] R13: 00000000004c3e0b R14: 00000000004d6bf8 R15: 00000000ffffffff [ 676.387280] Mem-Info: [ 676.389745] active_anon:5783 inactive_anon:194 isolated_anon:0 [ 676.389745] active_file:12 inactive_file:11 isolated_file:0 [ 676.389745] unevictable:0 dirty:0 writeback:0 unstable:0 [ 676.389745] slab_reclaimable:12668 slab_unreclaimable:1481381 [ 676.389745] mapped:9 shmem:245 pagetables:488 bounce:0 [ 676.389745] free:24155 free_pcp:0 free_cma:0 [ 676.458246] Node 0 active_anon:23132kB inactive_anon:776kB active_file:48kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 676.541904] 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 [ 676.783598] lowmem_reserve[]: 0 2818 6321 6321 [ 676.788250] Node 0 DMA32 free:43804kB min:30052kB low:37564kB high:45076kB active_anon:56kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 676.878125] lowmem_reserve[]: 0 0 3503 3503 [ 676.921262] Node 0 Normal free:37328kB min:37364kB low:46704kB high:56044kB active_anon:23076kB inactive_anon:776kB active_file:44kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7168kB pagetables:1952kB bounce:0kB free_pcp:16kB local_pcp:0kB free_cma:0kB [ 677.250708] lowmem_reserve[]: 0 0 0 0 [ 677.301882] 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 [ 677.441834] Node 0 DMA32: 9*4kB (UME) 9*8kB (UME) 17*16kB (UME) 11*32kB (ME) 7*64kB (UME) 3*128kB (UM) 3*256kB (ME) 3*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (UM) = 43804kB [ 677.596185] Node 0 Normal: 1201*4kB (UME) 1067*8kB (UME) 363*16kB (UME) 137*32kB (UME) 84*64kB (UME) 37*128kB (UME) 14*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 37228kB [ 677.671657] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 677.680587] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 677.775811] 287 total pagecache pages [ 677.779664] 0 pages in swap cache [ 677.872055] Swap cache stats: add 0, delete 0, find 0/0 [ 677.907406] Free swap = 0kB [ 677.910452] Total swap = 0kB [ 678.000287] 1965979 pages RAM [ 678.039634] 0 pages HighMem/MovableOnly [ 678.086148] 342853 pages reserved [ 678.089636] 0 pages cma reserved [ 678.125839] Unreclaimable slab info: [ 678.129591] Name Used Total [ 678.237564] pid_2 76KB 156KB [ 678.308892] TIPC 10KB 28KB [ 678.377684] SCTPv6 14KB 24KB [ 678.445579] DCCPv6 17KB 21KB [ 678.450983] DCCP 16KB 20KB [ 678.576918] bridge_fdb_cache 11KB 27KB [ 678.668849] fib6_nodes 78KB 120KB [ 678.746981] ip6_dst_cache 150KB 247KB [ 678.808161] RAWv6 68KB 91KB [ 678.880759] UDPv6 3KB 3KB [ 678.966076] TCPv6 23KB 23KB [ 678.971489] nf_conntrack 0KB 3KB [ 679.106101] sd_ext_cdb 0KB 3KB [ 679.111519] scsi_sense_cache 1056KB 1060KB [ 679.257685] virtio_scsi_cmd 16KB 16KB [ 679.330461] sgpool-128 8KB 8KB [ 679.405095] sgpool-64 4KB 6KB [ 679.410500] sgpool-32 2KB 7KB [ 679.549289] sgpool-16 1KB 3KB [ 679.627184] sgpool-8 0KB 3KB [ 679.723217] mqueue_inode_cache 10KB 28KB [ 679.728718] bio_post_read_ctx 14KB 15KB [ 679.807939] bio-2 14KB 15KB [ 679.845848] jfs_mp 7KB 7KB [ 679.851258] nfs_commit_data 3KB 7KB [ 679.991138] nfs_write_data 32KB 32KB [ 680.075724] ext4_system_zone 0KB 3KB [ 680.081149] bio-1 1KB 3KB [ 680.208781] pid_namespace 2KB 11KB [ 680.282994] rpc_buffers 17KB 19KB [ 680.288403] rpc_tasks 2KB 3KB [ 680.428445] UNIX 14KB 25KB [ 680.494509] tcp_bind_bucket 1KB 4KB [ 680.499919] ip_fib_trie 11KB 19KB [ 680.632596] ip_fib_alias 52KB 83KB [ 680.638004] ip_dst_cache 1KB 8KB [ 680.681893] RAW 40KB 64KB [ 680.687307] UDP 16KB 39KB [ 680.780098] TCP 5KB 5KB [ 680.846014] hugetlbfs_inode_cache 2KB 7KB [ 680.851763] fscache_cookie_jar 1KB 7KB [ 680.912133] eventpoll_pwq 31KB 43KB [ 680.917545] eventpoll_epi 57KB 82KB [ 681.061918] inotify_inode_mark 64KB 82KB [ 681.067419] request_queue 164KB 164KB [ 681.212383] blkdev_ioc 27KB 38KB [ 681.217878] bio-0 4567KB 4567KB [ 681.359771] biovec-max 2260KB 2260KB [ 681.429568] biovec-64 5599KB 5599KB [ 681.501352] biovec-16 1230KB 1230KB [ 681.537078] bio_integrity_payload 1KB 3KB [ 681.545423] khugepaged_mm_slot 0KB 3KB [ 681.550904] dmaengine-unmap-256 2KB 6KB [ 681.556493] dmaengine-unmap-128 1KB 3KB [ 681.562102] dmaengine-unmap-16 0KB 4KB [ 681.567537] dmaengine-unmap-2 0KB 3KB [ 681.572981] skbuff_fclone_cache 3KB 11KB [ 681.578504] skbuff_head_cache 938KB 1908KB [ 681.583875] configfs_dir_cache 0KB 4KB [ 681.589307] file_lock_cache 0KB 3KB [ 681.594677] file_lock_ctx 0KB 3KB [ 681.600053] fsnotify_mark_connector 33KB 51KB [ 681.605969] net_namespace 51KB 51KB [ 681.611327] shmem_inode_cache 5540KB 5546KB [ 681.617492] task_delay_info 133KB 425KB [ 681.622913] proc_dir_entry 584KB 663KB [ 681.628271] pde_opener 0KB 3KB [ 681.633661] seq_file 252KB 334KB [ 681.639008] sigqueue 46KB 181KB [ 681.644377] kernfs_node_cache 11463KB 11466KB [ 681.649736] mnt_cache 80KB 104KB [ 681.730993] filp 4361KB 6446KB [ 681.745594] names_cache 112463KB 112501KB [ 681.751001] iint_cache 30KB 63KB [ 681.811943] hashtab_node 118KB 119KB [ 681.817347] ebitmap_node 1340KB 1555KB [ 681.916306] avtab_node 1012KB 1013KB [ 681.921716] avc_node 43KB 47KB [ 682.055594] selinux_file_security 301KB 561KB [ 682.061347] selinux_inode_security 3332KB 3652KB [ 682.205883] key_jar 3KB 7KB [ 682.211300] uts_namespace 2KB 11KB [ 682.345276] nsproxy 1KB 7KB [ 682.350689] vm_area_struct 8189KB 12088KB [ 682.453103] mm_struct 1547KB 2580KB [ 682.458524] fs_cache 116KB 400KB [ 682.573004] files_cache 501KB 836KB [ 682.578413] signal_cache 984KB 1689KB [ 682.590052] sighand_cache 474KB 506KB [ 682.595604] task_struct 3941KB 3984KB [ 682.600969] cred_jar 866KB 1988KB [ 682.606349] anon_vma_chain 4675KB 6217KB [ 682.611698] anon_vma 198KB 373KB [ 682.617093] pid 60KB 252KB [ 682.622503] Acpi-Operand 106KB 162KB [ 682.627875] Acpi-Namespace 19KB 23KB [ 682.633296] numa_policy 0KB 3KB [ 682.638661] debug_objects_cache 838KB 1106KB [ 682.644270] trace_event_file 260KB 262KB [ 682.649634] ftrace_event_field 376KB 381KB [ 682.655259] pool_workqueue 87KB 104KB [ 682.660626] task_group 5KB 7KB [ 682.666033] page->ptl 1411KB 2846KB [ 682.671420] kmalloc-4M 5500928KB 5500928KB [ 682.676826] kmalloc-2M 2050KB 2050KB [ 682.683101] kmalloc-512k 2056KB 2056KB [ 682.688469] kmalloc-256k 1290KB 1290KB [ 682.701537] kmalloc-128k 650KB 650KB [ 682.710814] kmalloc-64k 330KB 330KB [ 682.870532] kmalloc-32k 10461KB 10692KB [ 682.920614] kmalloc-16k 1056KB 1171KB [ 682.997551] kmalloc-8k 1798KB 1823KB [ 683.073039] kmalloc-4k 15686KB 15699KB [ 683.078453] kmalloc-2k 7235KB 8727KB [ 683.225502] kmalloc-1k 4379KB 5819KB [ 683.230920] kmalloc-512 3661KB 5482KB [ 683.351983] kmalloc-256 2909KB 3641KB [ 683.357396] kmalloc-128 962KB 1090KB [ 683.461537] kmalloc-96 1716KB 2380KB [ 683.531136] kmalloc-64 3333KB 3740KB [ 683.623429] kmalloc-32 2915KB 3106KB [ 683.628935] kmalloc-192 680KB 972KB [ 683.757762] kmem_cache 221KB 225KB [ 683.827474] Out of memory: Kill process 14654 (syz-executor2) score 999 or sacrifice child [ 683.945673] Killed process 14654 (syz-executor2) total-vm:37440kB, anon-rss:88kB, file-rss:0kB, shmem-rss:0kB [ 683.984064] syz-executor0 invoked oom-killer: gfp_mask=0x6002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 683.999385] syz-executor0 cpuset=syz0 mems_allowed=0 [ 684.081856] CPU: 1 PID: 14657 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #151 [ 684.089260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 684.099069] Call Trace: [ 684.101700] dump_stack+0x244/0x39d [ 684.105353] ? dump_stack_print_info.cold.1+0x20/0x20 [ 684.110564] dump_header+0x27b/0xf72 [ 684.114304] ? mark_held_locks+0x130/0x130 [ 684.118546] ? pagefault_out_of_memory+0x197/0x197 [ 684.123488] ? mark_held_locks+0x130/0x130 [ 684.127731] ? __lock_acquire+0x62f/0x4c20 [ 684.131975] ? zap_class+0x640/0x640 [ 684.135716] ? percpu_ref_get_many+0x240/0x240 [ 684.140322] ? print_usage_bug+0xc0/0xc0 [ 684.144399] ? print_usage_bug+0xc0/0xc0 [ 684.148527] ? zap_class+0x640/0x640 [ 684.152278] ? print_usage_bug+0xc0/0xc0 [ 684.156350] ? print_usage_bug+0xc0/0xc0 [ 684.160427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 684.165977] ? find_held_lock+0x36/0x1c0 [ 684.170063] ? mark_held_locks+0xc7/0x130 [ 684.174222] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 684.179334] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 684.184445] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 684.189038] ? trace_hardirqs_on+0xbd/0x310 [ 684.193365] ? kasan_check_read+0x11/0x20 [ 684.197521] ? ___ratelimit+0x3b4/0x672 [ 684.201509] ? trace_hardirqs_off_caller+0x310/0x310 [ 684.206730] ? trace_hardirqs_on+0x310/0x310 [ 684.211151] ? lock_downgrade+0x900/0x900 [ 684.215316] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 684.220430] ? ___ratelimit+0x3b9/0x672 [ 684.224412] ? idr_get_free+0xf70/0xf70 [ 684.228392] ? kasan_check_read+0x11/0x20 [ 684.232547] ? do_raw_spin_unlock+0xa7/0x330 [ 684.236968] oom_kill_process.cold.27+0x10/0x903 [ 684.241740] ? zap_class+0x640/0x640 [ 684.245485] ? _raw_spin_unlock+0x2c/0x50 [ 684.249640] ? oom_badness+0xe6/0xaa0 [ 684.253451] ? oom_evaluate_task+0x540/0x540 [ 684.257873] ? find_held_lock+0x36/0x1c0 [ 684.261951] ? out_of_memory+0x974/0x1430 [ 684.266105] ? lock_downgrade+0x900/0x900 [ 684.270262] ? check_preemption_disabled+0x48/0x280 [ 684.275308] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 684.280270] ? kasan_check_read+0x11/0x20 [ 684.284425] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 684.289707] ? rcu_softirq_qs+0x20/0x20 [ 684.293694] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 684.298749] ? oom_evaluate_task+0x302/0x540 [ 684.303213] out_of_memory+0xa84/0x1430 [ 684.307211] ? oom_killer_disable+0x3a0/0x3a0 [ 684.311718] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 684.316663] ? __ww_mutex_check_waiters+0x160/0x160 [ 684.321700] __alloc_pages_slowpath+0x232c/0x2de0 [ 684.326563] ? warn_alloc+0x120/0x120 [ 684.330468] ? mark_held_locks+0x130/0x130 [ 684.334764] ? warn_alloc+0x120/0x120 [ 684.338598] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 684.344164] ? should_fail+0x22d/0xd01 [ 684.348066] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 684.353184] ? zap_class+0x640/0x640 [ 684.356913] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 684.361875] ? kasan_check_read+0x11/0x20 [ 684.366076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 684.371649] ? should_fail+0x22d/0xd01 [ 684.375566] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 684.380689] ? zap_class+0x640/0x640 [ 684.384420] ? zap_class+0x640/0x640 [ 684.388169] ? __lock_is_held+0xb5/0x140 [ 684.392251] ? check_preemption_disabled+0x48/0x280 [ 684.397282] ? lock_release+0xa00/0xa00 [ 684.401262] ? perf_trace_sched_process_exec+0x860/0x860 [ 684.406720] ? __lock_is_held+0xb5/0x140 [ 684.410858] ? __might_sleep+0x95/0x190 [ 684.414915] __alloc_pages_nodemask+0xad8/0xea0 [ 684.419635] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 684.424691] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 684.429722] ? zap_class+0x640/0x640 [ 684.433510] ? __insert_vmap_area+0x550/0x550 [ 684.438079] ? __lock_is_held+0xb5/0x140 [ 684.442180] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 684.447733] alloc_pages_current+0x173/0x350 [ 684.452158] __vmalloc_node_range+0x498/0x750 [ 684.456678] ? newary+0x244/0xb40 [ 684.460139] __vmalloc_node_flags_caller+0x75/0x90 [ 684.465075] ? newary+0x244/0xb40 [ 684.468541] kvmalloc_node+0xd7/0xf0 [ 684.472267] newary+0x244/0xb40 [ 684.475557] ? semctl_stat+0x5f0/0x5f0 [ 684.479537] ? lock_acquire+0x1ed/0x520 [ 684.483516] ? ipcget+0x125/0x11b0 [ 684.487079] ? lock_release+0xa00/0xa00 [ 684.491059] ? perf_trace_sched_process_exec+0x860/0x860 [ 684.496515] ? ipcget+0x85d/0x11b0 [ 684.500090] ? down_write+0x8a/0x130 [ 684.503809] ? ipcget+0x125/0x11b0 [ 684.507362] ? down_read+0x120/0x120 [ 684.511093] ipcget+0x15d/0x11b0 [ 684.514468] ? find_held_lock+0x36/0x1c0 [ 684.518729] ? ipc_obtain_object_check+0xc0/0xc0 [ 684.523507] ? lock_release+0xa00/0xa00 [ 684.527484] ? perf_trace_sched_process_exec+0x860/0x860 [ 684.532936] ? posix_ktime_get_ts+0x15/0x20 [ 684.537273] ? trace_hardirqs_off_caller+0x310/0x310 [ 684.542379] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 684.547315] ? kasan_check_read+0x11/0x20 [ 684.551483] ? kasan_check_read+0x11/0x20 [ 684.555636] ? _copy_to_user+0xc8/0x110 [ 684.559625] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 684.565168] ? put_timespec64+0x10f/0x1b0 [ 684.569323] ? nsecs_to_jiffies+0x30/0x30 [ 684.573488] ksys_semget+0x1c0/0x280 [ 684.577216] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 684.581806] ? sem_exit_ns+0x40/0x40 [ 684.585528] ? trace_hardirqs_off_caller+0x310/0x310 [ 684.590643] __x64_sys_semget+0x73/0xb0 [ 684.594641] do_syscall_64+0x1b9/0x820 [ 684.598534] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 684.603909] ? syscall_return_slowpath+0x5e0/0x5e0 [ 684.608846] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 684.613698] ? trace_hardirqs_on_caller+0x310/0x310 [ 684.618736] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 684.623771] ? prepare_exit_to_usermode+0x291/0x3b0 [ 684.628797] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 684.633657] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 684.638849] RIP: 0033:0x457679 [ 684.642055] Code: Bad RIP value. [ 684.645419] RSP: 002b:00007ffc2020f7f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000040 [ 684.653134] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457679 [ 684.660407] RDX: 000000000000003f RSI: 0000000000004000 RDI: 0000000000000000 [ 684.667677] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 684.674952] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000eb6914 [ 684.682230] R13: 00000000004c3e0b R14: 00000000004d6bf8 R15: 00000000ffffffff [ 684.701509] Mem-Info: [ 684.705367] active_anon:5774 inactive_anon:194 isolated_anon:0 [ 684.705367] active_file:7 inactive_file:8 isolated_file:5 [ 684.705367] unevictable:0 dirty:0 writeback:0 unstable:0 [ 684.705367] slab_reclaimable:12657 slab_unreclaimable:1481053 [ 684.705367] mapped:2 shmem:245 pagetables:482 bounce:0 [ 684.705367] free:24195 free_pcp:84 free_cma:0 [ 684.737958] Node 0 active_anon:23096kB inactive_anon:776kB active_file:28kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:8kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 684.764842] 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 [ 684.791013] lowmem_reserve[]: 0 2818 6321 6321 [ 684.795616] Node 0 DMA32 free:43812kB min:30052kB low:37564kB high:45076kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 684.824602] lowmem_reserve[]: 0 0 3503 3503 [ 684.828929] Node 0 Normal free:37552kB min:37364kB low:46704kB high:56044kB active_anon:23048kB inactive_anon:776kB active_file:80kB inactive_file:80kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7136kB pagetables:1928kB bounce:0kB free_pcp:152kB local_pcp:0kB free_cma:0kB [ 684.857707] lowmem_reserve[]: 0 0 0 0 [ 684.861522] 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 [ 684.875131] Node 0 DMA32: 9*4kB (UME) 8*8kB (UME) 16*16kB (UME) 10*32kB (ME) 6*64kB (UME) 4*128kB (UM) 3*256kB (ME) 3*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (UM) = 43812kB [ 684.891639] Node 0 Normal: 1275*4kB (UME) 1028*8kB (UME) 358*16kB (UME) 138*32kB (UME) 85*64kB (UME) 38*128kB (UME) 14*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 37356kB [ 684.907410] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 684.916275] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 684.924887] 351 total pagecache pages [ 684.928680] 0 pages in swap cache [ 684.932149] Swap cache stats: add 0, delete 0, find 0/0 [ 684.937506] Free swap = 0kB [ 684.940523] Total swap = 0kB [ 684.943829] 1965979 pages RAM [ 684.946930] 0 pages HighMem/MovableOnly [ 684.950891] 342853 pages reserved [ 684.955296] 0 pages cma reserved [ 684.958664] Unreclaimable slab info: [ 684.962418] Name Used Total [ 684.967963] pid_2 73KB 156KB [ 684.973357] TIPC 10KB 28KB [ 684.978710] SCTPv6 14KB 24KB [ 684.984094] DCCPv6 17KB 21KB [ 684.989452] DCCP 16KB 20KB [ 684.994947] bridge_fdb_cache 11KB 27KB [ 685.000296] fib6_nodes 78KB 120KB [ 685.005671] ip6_dst_cache 150KB 247KB [ 685.011021] RAWv6 68KB 91KB [ 685.016391] UDPv6 3KB 3KB [ 685.021741] TCPv6 23KB 23KB [ 685.027134] nf_conntrack 0KB 3KB [ 685.032529] sd_ext_cdb 0KB 3KB [ 685.037880] scsi_sense_cache 1056KB 1060KB [ 685.043253] virtio_scsi_cmd 16KB 16KB [ 685.049021] sgpool-128 8KB 8KB [ 685.054395] sgpool-64 4KB 6KB [ 685.059830] sgpool-32 2KB 7KB [ 685.065230] sgpool-16 1KB 3KB [ 685.070589] sgpool-8 0KB 3KB [ 685.076009] mqueue_inode_cache 10KB 28KB [ 685.081466] bio_post_read_ctx 14KB 15KB [ 685.087845] bio-2 14KB 15KB [ 685.093283] jfs_mp 7KB 7KB [ 685.098674] nfs_commit_data 3KB 7KB [ 685.104081] nfs_write_data 32KB 32KB [ 685.109447] ext4_system_zone 0KB 3KB [ 685.114987] bio-1 1KB 3KB [ 685.120339] pid_namespace 2KB 11KB [ 685.125748] rpc_buffers 17KB 19KB [ 685.131114] rpc_tasks 2KB 3KB [ 685.136509] UNIX 14KB 25KB [ 685.141890] tcp_bind_bucket 1KB 4KB [ 685.147260] ip_fib_trie 11KB 19KB [ 685.152639] ip_fib_alias 52KB 83KB [ 685.157996] ip_dst_cache 1KB 8KB [ 685.163424] RAW 40KB 64KB [ 685.168809] UDP 16KB 39KB [ 685.174213] TCP 5KB 5KB [ 685.179590] hugetlbfs_inode_cache 2KB 7KB [ 685.185317] fscache_cookie_jar 1KB 7KB [ 685.190759] eventpoll_pwq 31KB 43KB [ 685.196149] eventpoll_epi 57KB 82KB [ 685.201521] inotify_inode_mark 64KB 82KB [ 685.207009] request_queue 164KB 164KB [ 685.213338] blkdev_ioc 24KB 38KB [ 685.219185] bio-0 4578KB 4578KB [ 685.224629] biovec-max 2260KB 2260KB [ 685.230002] biovec-64 5638KB 5638KB [ 685.235426] biovec-16 1233KB 1233KB [ 685.240794] bio_integrity_payload 1KB 3KB [ 685.246553] khugepaged_mm_slot 0KB 3KB [ 685.252052] dmaengine-unmap-256 2KB 6KB [ 685.257595] dmaengine-unmap-128 1KB 3KB [ 685.263185] dmaengine-unmap-16 0KB 4KB [ 685.268640] dmaengine-unmap-2 0KB 3KB [ 685.283542] skbuff_fclone_cache 3KB 11KB [ 685.289187] skbuff_head_cache 938KB 1908KB [ 685.294711] configfs_dir_cache 0KB 4KB [ 685.300163] file_lock_cache 0KB 3KB [ 685.305632] file_lock_ctx 0KB 3KB [ 685.310998] fsnotify_mark_connector 33KB 51KB [ 685.316933] net_namespace 51KB 51KB [ 685.322340] shmem_inode_cache 5540KB 5546KB [ 685.327701] task_delay_info 132KB 421KB [ 685.333105] proc_dir_entry 581KB 663KB [ 685.338464] pde_opener 0KB 3KB [ 685.344364] seq_file 252KB 334KB [ 685.349716] sigqueue 46KB 181KB [ 685.355141] kernfs_node_cache 11463KB 11466KB [ 685.360508] mnt_cache 80KB 104KB [ 685.365927] filp 4326KB 6442KB [ 685.371292] names_cache 112459KB 112489KB [ 685.376726] iint_cache 30KB 63KB [ 685.382125] hashtab_node 118KB 119KB [ 685.387494] ebitmap_node 1336KB 1555KB [ 685.392915] avtab_node 1012KB 1013KB [ 685.398282] avc_node 43KB 47KB [ 685.403809] selinux_file_security 299KB 561KB [ 685.409525] selinux_inode_security 3331KB 3652KB [ 685.415391] key_jar 3KB 7KB [ 685.420759] uts_namespace 2KB 11KB [ 685.426206] nsproxy 1KB 7KB [ 685.431571] vm_area_struct 8177KB 12088KB [ 685.436980] mm_struct 1506KB 2548KB [ 685.442382] fs_cache 114KB 400KB [ 685.447753] files_cache 459KB 821KB [ 685.453606] signal_cache 954KB 1689KB [ 685.458981] sighand_cache 474KB 506KB [ 685.464397] task_struct 3941KB 3972KB [ 685.469855] cred_jar 836KB 1984KB [ 685.475744] anon_vma_chain 4664KB 6217KB [ 685.481097] anon_vma 191KB 373KB [ 685.486499] pid 60KB 252KB [ 685.491914] Acpi-Operand 106KB 162KB [ 685.497283] Acpi-Namespace 19KB 23KB [ 685.502697] numa_policy 0KB 3KB [ 685.508064] debug_objects_cache 833KB 1106KB [ 685.513643] trace_event_file 260KB 262KB [ 685.519014] ftrace_event_field 376KB 381KB [ 685.526669] pool_workqueue 87KB 104KB [ 685.532174] task_group 5KB 7KB [ 685.537539] page->ptl 1402KB 2846KB [ 685.543050] kmalloc-4M 5500928KB 5500928KB [ 685.548418] kmalloc-2M 2050KB 2050KB [ 685.553850] kmalloc-512k 2056KB 2056KB [ 685.559218] kmalloc-256k 1290KB 1290KB [ 685.564600] kmalloc-128k 650KB 650KB [ 685.569947] kmalloc-64k 330KB 330KB [ 685.575344] kmalloc-32k 10461KB 10626KB [ 685.580788] kmalloc-16k 1039KB 1138KB [ 685.586193] kmalloc-8k 1798KB 1806KB [ 685.591563] kmalloc-4k 15678KB 15691KB [ 685.596977] kmalloc-2k 7182KB 8619KB [ 685.603303] kmalloc-1k 4379KB 5819KB [ 685.608678] kmalloc-512 3634KB 5478KB [ 685.614103] kmalloc-256 2891KB 3641KB [ 685.619467] kmalloc-128 942KB 1090KB [ 685.624888] kmalloc-96 1731KB 2380KB [ 685.630251] kmalloc-64 3332KB 3740KB [ 685.635661] kmalloc-32 2907KB 3106KB [ 685.641028] kmalloc-192 673KB 972KB [ 685.661834] kmem_cache 221KB 225KB [ 685.667222] Out of memory: Kill process 14653 (syz-executor5) score 999 or sacrifice child [ 685.785763] Killed process 14653 (syz-executor5) total-vm:37440kB, anon-rss:84kB, file-rss:0kB, shmem-rss:0kB [ 685.891008] syz-executor5 invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 685.907388] syz-executor5 cpuset=syz5 mems_allowed=0 [ 685.917208] CPU: 1 PID: 10758 Comm: syz-executor5 Not tainted 4.20.0-rc6+ #151 [ 685.924582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 685.934110] Call Trace: [ 685.936715] dump_stack+0x244/0x39d [ 685.940356] ? dump_stack_print_info.cold.1+0x20/0x20 [ 685.945559] ? mark_held_locks+0x130/0x130 [ 685.949799] ? mark_held_locks+0x130/0x130 [ 685.954050] dump_header+0x27b/0xf72 [ 685.957792] ? pagefault_out_of_memory+0x197/0x197 [ 685.962734] ? mark_held_locks+0x130/0x130 [ 685.966979] ? __lock_acquire+0x62f/0x4c20 [ 685.971318] ? percpu_ref_get_many+0x240/0x240 [ 685.975940] ? print_usage_bug+0xc0/0xc0 [ 685.979996] ? zap_class+0x640/0x640 [ 685.983712] ? print_usage_bug+0xc0/0xc0 [ 685.987760] ? print_usage_bug+0xc0/0xc0 [ 685.991817] ? zap_class+0x640/0x640 [ 685.995530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.001067] ? find_held_lock+0x36/0x1c0 [ 686.005128] ? mark_held_locks+0xc7/0x130 [ 686.009265] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 686.014355] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 686.019464] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 686.024035] ? trace_hardirqs_on+0xbd/0x310 [ 686.028343] ? kasan_check_read+0x11/0x20 [ 686.032495] ? ___ratelimit+0x3b4/0x672 [ 686.036462] ? trace_hardirqs_off_caller+0x310/0x310 [ 686.041551] ? trace_hardirqs_on+0x310/0x310 [ 686.045946] ? lock_downgrade+0x900/0x900 [ 686.050086] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 686.055183] ? ___ratelimit+0x3b9/0x672 [ 686.059143] ? idr_get_free+0xf70/0xf70 [ 686.063102] ? kasan_check_read+0x11/0x20 [ 686.067237] ? do_raw_spin_unlock+0xa7/0x330 [ 686.071637] oom_kill_process.cold.27+0x10/0x903 [ 686.076381] ? zap_class+0x640/0x640 [ 686.080084] ? _raw_spin_unlock+0x2c/0x50 [ 686.084217] ? oom_badness+0xe6/0xaa0 [ 686.088004] ? oom_evaluate_task+0x540/0x540 [ 686.092402] ? find_held_lock+0x36/0x1c0 [ 686.096453] ? out_of_memory+0x974/0x1430 [ 686.100586] ? lock_downgrade+0x900/0x900 [ 686.104723] ? check_preemption_disabled+0x48/0x280 [ 686.109743] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 686.114660] ? kasan_check_read+0x11/0x20 [ 686.118795] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 686.124058] ? rcu_softirq_qs+0x20/0x20 [ 686.128023] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 686.133312] ? oom_evaluate_task+0x302/0x540 [ 686.137718] out_of_memory+0xa84/0x1430 [ 686.141684] ? oom_killer_disable+0x3a0/0x3a0 [ 686.146165] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 686.151085] ? __ww_mutex_check_waiters+0x160/0x160 [ 686.156097] __alloc_pages_slowpath+0x232c/0x2de0 [ 686.160942] ? warn_alloc+0x120/0x120 [ 686.164747] ? mark_held_locks+0x130/0x130 [ 686.168975] ? find_get_entry+0xaae/0x1120 [ 686.173201] ? filemap_map_pages+0x1a20/0x1a20 [ 686.177771] ? zap_class+0x640/0x640 [ 686.181472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.186998] ? check_preemption_disabled+0x48/0x280 [ 686.192004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 686.197529] ? should_fail+0x22d/0xd01 [ 686.201406] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 686.206498] ? zap_class+0x640/0x640 [ 686.210217] ? __lock_is_held+0xb5/0x140 [ 686.214274] ? mark_held_locks+0x130/0x130 [ 686.218515] ? lock_release+0xa00/0xa00 [ 686.222478] ? perf_trace_sched_process_exec+0x860/0x860 [ 686.227913] ? xa_load+0x2ba/0x460 [ 686.231451] ? lock_downgrade+0x900/0x900 [ 686.235586] ? __might_sleep+0x95/0x190 [ 686.239549] __alloc_pages_nodemask+0xad8/0xea0 [ 686.244208] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 686.249227] ? __page_cache_alloc+0x191/0x5c0 [ 686.253731] ? xa_load+0x2e1/0x460 [ 686.257260] ? xa_clear_mark+0x40/0x40 [ 686.261132] ? up_read_non_owner+0x100/0x100 [ 686.265526] ? zap_class+0x640/0x640 [ 686.269231] ? zap_class+0x640/0x640 [ 686.272928] ? zap_class+0x640/0x640 [ 686.276629] ? __do_page_cache_readahead+0x663/0x810 [ 686.281717] ? find_held_lock+0x36/0x1c0 [ 686.285767] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 686.291293] alloc_pages_current+0x173/0x350 [ 686.302727] __page_cache_alloc+0x38c/0x5c0 [ 686.307037] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 686.311951] ? kasan_check_read+0x11/0x20 [ 686.316084] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 686.321366] ? generic_perform_write+0x6a0/0x6a0 [ 686.326114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 686.331637] ? check_preemption_disabled+0x48/0x280 [ 686.336665] filemap_fault+0x1595/0x25f0 [ 686.340721] ? __lock_page_or_retry+0xa00/0xa00 [ 686.345382] ? mark_held_locks+0x130/0x130 [ 686.349611] ? filemap_map_pages+0xd6b/0x1a20 [ 686.354093] ? lock_downgrade+0x900/0x900 [ 686.358229] ? check_preemption_disabled+0x48/0x280 [ 686.363249] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 686.368169] ? kasan_check_read+0x11/0x20 [ 686.372302] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 686.377563] ? rcu_softirq_qs+0x20/0x20 [ 686.381534] ? filemap_map_pages+0xd92/0x1a20 [ 686.386019] ? find_get_entries_tag+0x1400/0x1400 [ 686.390850] ? alloc_set_pte+0x1447/0x1f40 [ 686.395087] ? lock_acquire+0x1ed/0x520 [ 686.399048] ? ext4_filemap_fault+0x7a/0xad [ 686.403357] ? lock_release+0xa00/0xa00 [ 686.407331] ? perf_trace_sched_process_exec+0x860/0x860 [ 686.412775] ? print_usage_bug+0xc0/0xc0 [ 686.416857] ? down_read+0x8d/0x120 [ 686.420472] ? ext4_filemap_fault+0x7a/0xad [ 686.424779] ? __down_interruptible+0x700/0x700 [ 686.429435] ? find_held_lock+0x36/0x1c0 [ 686.433502] ext4_filemap_fault+0x82/0xad [ 686.437653] __do_fault+0x100/0x6b0 [ 686.441273] ? lock_downgrade+0x900/0x900 [ 686.445408] ? pmd_devmap_trans_unstable+0x220/0x220 [ 686.450501] ? kasan_check_read+0x11/0x20 [ 686.454644] ? do_raw_spin_unlock+0xa7/0x330 [ 686.459046] ? do_raw_spin_trylock+0x270/0x270 [ 686.463639] __handle_mm_fault+0x3ea6/0x5be0 [ 686.468039] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 686.472868] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 686.477954] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 686.483061] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 686.487631] ? kasan_check_read+0x11/0x20 [ 686.491768] ? __free_object+0x173/0x340 [ 686.495840] ? zap_class+0x640/0x640 [ 686.499535] ? zap_class+0x640/0x640 [ 686.503235] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 686.508324] ? find_held_lock+0x36/0x1c0 [ 686.512392] ? handle_mm_fault+0x42a/0xc70 [ 686.516614] ? lock_downgrade+0x900/0x900 [ 686.520748] ? check_preemption_disabled+0x48/0x280 [ 686.525770] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 686.530689] ? kasan_check_read+0x11/0x20 [ 686.534829] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 686.540093] ? rcu_softirq_qs+0x20/0x20 [ 686.544071] ? trace_hardirqs_off_caller+0x310/0x310 [ 686.549165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 686.554690] ? check_preemption_disabled+0x48/0x280 [ 686.559708] handle_mm_fault+0x54f/0xc70 [ 686.563770] ? __handle_mm_fault+0x5be0/0x5be0 [ 686.568450] ? find_vma+0x34/0x190 [ 686.571981] __do_page_fault+0x5e8/0xe60 [ 686.576045] ? trace_hardirqs_off+0xb8/0x310 [ 686.580462] do_page_fault+0xf2/0x7e0 [ 686.584246] ? vmalloc_sync_all+0x30/0x30 [ 686.588400] ? error_entry+0x70/0xd0 [ 686.592121] ? trace_hardirqs_off_caller+0xbb/0x310 [ 686.597134] ? trace_hardirqs_on_caller+0xc0/0x310 [ 686.602069] ? syscall_return_slowpath+0x5e0/0x5e0 [ 686.606986] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 686.611829] ? trace_hardirqs_on_caller+0x310/0x310 [ 686.616832] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 686.622272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 686.627801] ? prepare_exit_to_usermode+0x291/0x3b0 [ 686.632812] ? page_fault+0x8/0x30 [ 686.636342] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 686.641168] ? page_fault+0x8/0x30 [ 686.644695] page_fault+0x1e/0x30 [ 686.648129] RIP: 0033:0x401de0 [ 686.651320] Code: Bad RIP value. [ 686.654671] RSP: 002b:00007fff60c96588 EFLAGS: 00010206 [ 686.660021] RAX: 0000000000000000 RBX: 00000000000a4eb6 RCX: 0000000000483170 [ 686.667279] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff60c96570 [ 686.674533] RBP: 00000000000001d4 R08: 0000000000000001 R09: 0000000002297940 [ 686.681816] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 686.689089] R13: 00000000000a4e5e R14: 00000000000000d6 R15: 0000000000000005 [ 686.699559] Mem-Info: [ 686.708022] active_anon:5761 inactive_anon:194 isolated_anon:0 [ 686.708022] active_file:10 inactive_file:11 isolated_file:0 [ 686.708022] unevictable:0 dirty:0 writeback:0 unstable:0 [ 686.708022] slab_reclaimable:12644 slab_unreclaimable:1481060 [ 686.708022] mapped:2 shmem:245 pagetables:475 bounce:0 [ 686.708022] free:24155 free_pcp:78 free_cma:0 [ 686.750954] Node 0 active_anon:23044kB inactive_anon:776kB active_file:40kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 686.781918] 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 [ 686.831527] lowmem_reserve[]: 0 2818 6321 6321 [ 686.851168] Node 0 DMA32 free:43812kB min:30052kB low:37564kB high:45076kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 686.911258] lowmem_reserve[]: 0 0 3503 3503 [ 686.940242] Node 0 Normal free:36900kB min:37364kB low:46704kB high:56044kB active_anon:22996kB inactive_anon:776kB active_file:40kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7104kB pagetables:1900kB bounce:0kB free_pcp:312kB local_pcp:312kB free_cma:0kB [ 686.990824] lowmem_reserve[]: 0 0 0 0 [ 687.023207] 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 [ 687.051706] Node 0 DMA32: 9*4kB (UME) 8*8kB (UME) 16*16kB (UME) 10*32kB (ME) 6*64kB (UME) 4*128kB (UM) 3*256kB (ME) 3*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (UM) = 43812kB [ 687.106195] Node 0 Normal: 1411*4kB (ME) 1028*8kB (UME) 350*16kB (UME) 127*32kB (UME) 77*64kB (ME) 38*128kB (UME) 14*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36908kB [ 687.131157] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 687.143971] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 687.176501] 266 total pagecache pages [ 687.180345] 0 pages in swap cache [ 687.220783] Swap cache stats: add 0, delete 0, find 0/0 [ 687.228894] Free swap = 0kB [ 687.257715] Total swap = 0kB [ 687.260792] 1965979 pages RAM [ 687.316472] 0 pages HighMem/MovableOnly [ 687.320489] 342853 pages reserved [ 687.362009] 0 pages cma reserved [ 687.365422] Unreclaimable slab info: [ 687.369140] Name Used Total [ 687.419811] pid_2 72KB 156KB [ 687.460203] TIPC 10KB 28KB [ 687.501082] SCTPv6 14KB 24KB [ 687.538223] DCCPv6 17KB 21KB [ 687.606342] DCCP 16KB 20KB [ 687.611769] bridge_fdb_cache 11KB 27KB [ 687.651625] fib6_nodes 78KB 120KB [ 687.689904] ip6_dst_cache 150KB 247KB [ 687.728310] RAWv6 68KB 91KB [ 687.742713] UDPv6 3KB 3KB [ 687.748118] TCPv6 23KB 23KB [ 687.768766] nf_conntrack 0KB 3KB [ 687.825613] sd_ext_cdb 0KB 3KB [ 687.831029] scsi_sense_cache 1056KB 1060KB [ 687.901271] virtio_scsi_cmd 16KB 16KB [ 687.931593] sgpool-128 8KB 8KB [ 687.961100] sgpool-64 4KB 6KB [ 688.012220] sgpool-32 2KB 7KB [ 688.017725] sgpool-16 1KB 3KB [ 688.060774] sgpool-8 0KB 3KB [ 688.107214] mqueue_inode_cache 10KB 28KB [ 688.118457] bio_post_read_ctx 14KB 15KB [ 688.148040] bio-2 14KB 15KB [ 688.210402] jfs_mp 7KB 7KB [ 688.251907] nfs_commit_data 3KB 7KB [ 688.257322] nfs_write_data 32KB 32KB [ 688.294163] ext4_system_zone 0KB 3KB [ 688.299580] bio-1 1KB 3KB [ 688.338105] pid_namespace 2KB 11KB [ 688.385016] rpc_buffers 17KB 19KB [ 688.390423] rpc_tasks 2KB 3KB [ 688.444875] UNIX 14KB 25KB [ 688.450288] tcp_bind_bucket 1KB 4KB [ 688.458470] ip_fib_trie 11KB 19KB [ 688.510634] ip_fib_alias 52KB 83KB [ 688.551633] ip_dst_cache 1KB 8KB [ 688.581930] RAW 40KB 64KB [ 688.587345] UDP 16KB 39KB [ 688.609458] TCP 5KB 5KB [ 688.648772] hugetlbfs_inode_cache 2KB 7KB [ 688.674319] fscache_cookie_jar 1KB 7KB [ 688.679820] eventpoll_pwq 31KB 43KB [ 688.741152] eventpoll_epi 57KB 82KB [ 688.746717] inotify_inode_mark 64KB 82KB [ 688.790484] request_queue 164KB 164KB [ 688.801279] blkdev_ioc 20KB 38KB [ 688.810034] bio-0 4590KB 4590KB [ 688.861898] biovec-max 2260KB 2260KB [ 688.867340] biovec-64 5648KB 5654KB [ 688.921037] biovec-16 1233KB 1233KB [ 688.969219] bio_integrity_payload 1KB 3KB [ 688.980930] khugepaged_mm_slot 0KB 3KB [ 689.020402] dmaengine-unmap-256 2KB 6KB [ 689.058711] dmaengine-unmap-128 1KB 3KB [ 689.100276] dmaengine-unmap-16 0KB 4KB [ 689.129500] dmaengine-unmap-2 0KB 3KB [ 689.138805] skbuff_fclone_cache 3KB 11KB [ 689.232550] skbuff_head_cache 938KB 1908KB [ 689.237969] configfs_dir_cache 0KB 4KB [ 689.271914] file_lock_cache 0KB 3KB [ 689.277429] file_lock_ctx 0KB 3KB [ 689.285491] fsnotify_mark_connector 33KB 51KB [ 689.291397] net_namespace 51KB 51KB [ 689.298168] shmem_inode_cache 5540KB 5546KB [ 689.309034] task_delay_info 132KB 421KB [ 689.333772] proc_dir_entry 581KB 663KB [ 689.339162] pde_opener 0KB 3KB [ 689.388466] seq_file 252KB 334KB [ 689.420050] sigqueue 45KB 181KB [ 689.449804] kernfs_node_cache 11463KB 11466KB [ 689.498049] mnt_cache 80KB 104KB [ 689.528389] filp 4320KB 6442KB [ 689.541021] names_cache 112459KB 112489KB [ 689.556572] iint_cache 29KB 63KB [ 689.584747] hashtab_node 118KB 119KB [ 689.590150] ebitmap_node 1336KB 1555KB [ 689.626430] avtab_node 1012KB 1013KB [ 689.671883] avc_node 43KB 47KB [ 689.677293] selinux_file_security 298KB 561KB [ 689.703678] selinux_inode_security 3330KB 3652KB [ 689.709513] key_jar 3KB 7KB [ 689.738285] uts_namespace 2KB 11KB [ 689.764736] nsproxy 1KB 7KB [ 689.770146] vm_area_struct 8176KB 12088KB [ 689.806141] mm_struct 1498KB 2548KB [ 689.811550] fs_cache 114KB 400KB [ 689.821993] files_cache 459KB 821KB [ 689.827397] signal_cache 953KB 1689KB [ 689.869230] sighand_cache 474KB 506KB [ 689.910761] task_struct 3941KB 3972KB [ 689.961970] cred_jar 834KB 1984KB [ 689.967380] anon_vma_chain 4664KB 6217KB [ 690.050228] anon_vma 188KB 373KB [ 690.058102] pid 60KB 252KB [ 690.077714] Acpi-Operand 106KB 162KB [ 690.089544] Acpi-Namespace 19KB 23KB [ 690.117454] numa_policy 0KB 3KB [ 690.161924] debug_objects_cache 833KB 1106KB [ 690.167515] trace_event_file 260KB 262KB [ 690.242956] ftrace_event_field 376KB 381KB [ 690.248800] pool_workqueue 87KB 104KB [ 690.257025] task_group 5KB 7KB [ 690.264319] page->ptl 1402KB 2846KB [ 690.269729] kmalloc-4M 5500928KB 5500928KB [ 690.279268] kmalloc-2M 2050KB 2050KB [ 690.295321] kmalloc-512k 2056KB 2056KB [ 690.300705] kmalloc-256k 1290KB 1290KB [ 690.337745] kmalloc-128k 650KB 650KB [ 690.387368] kmalloc-64k 330KB 330KB [ 690.410931] kmalloc-32k 10461KB 10626KB [ 690.440912] kmalloc-16k 1039KB 1138KB [ 690.480198] kmalloc-8k 1798KB 1806KB [ 690.520417] kmalloc-4k 15678KB 15691KB [ 690.529465] kmalloc-2k 7178KB 8612KB [ 690.591760] kmalloc-1k 4379KB 5819KB [ 690.621388] kmalloc-512 3634KB 5478KB [ 690.658433] kmalloc-256 2891KB 3641KB [ 690.701911] kmalloc-128 941KB 1090KB [ 690.707334] kmalloc-96 1731KB 2380KB [ 690.745706] kmalloc-64 3331KB 3740KB [ 690.751201] kmalloc-32 2907KB 3106KB [ 690.768594] kmalloc-192 673KB 972KB [ 690.817644] kmem_cache 221KB 225KB [ 690.873179] Out of memory: Kill process 14655 (syz-executor3) score 999 or sacrifice child [ 690.881669] Killed process 14655 (syz-executor3) total-vm:37440kB, anon-rss:84kB, file-rss:0kB, shmem-rss:0kB [ 690.972308] oom_reaper: reaped process 14655 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 691.039278] syz-executor4 invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 691.079643] syz-executor4 cpuset=syz4 mems_allowed=0 [ 691.098052] CPU: 0 PID: 13728 Comm: syz-executor4 Not tainted 4.20.0-rc6+ #151 [ 691.105465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 691.114831] Call Trace: [ 691.117440] dump_stack+0x244/0x39d [ 691.121086] ? dump_stack_print_info.cold.1+0x20/0x20 [ 691.126286] ? mark_held_locks+0x130/0x130 [ 691.130967] ? mark_held_locks+0x130/0x130 [ 691.135217] dump_header+0x27b/0xf72 [ 691.138952] ? pagefault_out_of_memory+0x197/0x197 [ 691.143896] ? mark_held_locks+0x130/0x130 [ 691.148140] ? __lock_acquire+0x62f/0x4c20 [ 691.152397] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 691.157114] ? retint_kernel+0x2d/0x2d [ 691.161012] ? trace_hardirqs_on_caller+0xc0/0x310 [ 691.165956] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 691.171417] ? zap_class+0x640/0x640 [ 691.175151] ? print_usage_bug+0xc0/0xc0 [ 691.179223] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 691.183989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.189542] ? find_held_lock+0x36/0x1c0 [ 691.193624] ? mark_held_locks+0xc7/0x130 [ 691.197780] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 691.202897] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 691.208343] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 691.212942] ? trace_hardirqs_on+0xbd/0x310 [ 691.217270] ? kasan_check_read+0x11/0x20 [ 691.221438] ? ___ratelimit+0x3b4/0x672 [ 691.225427] ? trace_hardirqs_off_caller+0x310/0x310 [ 691.230537] ? trace_hardirqs_on+0x310/0x310 [ 691.234956] ? lock_downgrade+0x900/0x900 [ 691.239116] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 691.244228] ? ___ratelimit+0x3b9/0x672 [ 691.248208] ? idr_get_free+0xf70/0xf70 [ 691.252198] oom_kill_process.cold.27+0x10/0x903 [ 691.256964] ? zap_class+0x640/0x640 [ 691.260726] ? note_gp_changes+0x470/0x470 [ 691.264977] ? oom_evaluate_task+0x540/0x540 [ 691.269410] ? find_held_lock+0x36/0x1c0 [ 691.273496] ? out_of_memory+0x974/0x1430 [ 691.277654] ? lock_downgrade+0x900/0x900 [ 691.281809] ? __rcu_read_unlock+0x2d6/0x2e0 [ 691.286228] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 691.291162] ? kasan_check_read+0x11/0x20 [ 691.295314] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 691.300600] ? rcu_softirq_qs+0x20/0x20 [ 691.304583] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 691.309603] ? oom_evaluate_task+0x302/0x540 [ 691.314024] out_of_memory+0xa84/0x1430 [ 691.318013] ? oom_killer_disable+0x3a0/0x3a0 [ 691.322521] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 691.327474] ? __ww_mutex_check_waiters+0x160/0x160 [ 691.332508] __alloc_pages_slowpath+0x232c/0x2de0 [ 691.337385] ? warn_alloc+0x120/0x120 [ 691.341296] ? mark_held_locks+0x130/0x130 [ 691.345540] ? find_get_entry+0xaae/0x1120 [ 691.349833] ? filemap_map_pages+0x1a20/0x1a20 [ 691.354439] ? zap_class+0x640/0x640 [ 691.358165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.363732] ? check_preemption_disabled+0x48/0x280 [ 691.368759] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 691.374303] ? should_fail+0x22d/0xd01 [ 691.378203] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 691.383313] ? zap_class+0x640/0x640 [ 691.387054] ? __lock_is_held+0xb5/0x140 [ 691.391137] ? mark_held_locks+0x130/0x130 [ 691.395380] ? lock_release+0xa00/0xa00 [ 691.399363] ? perf_trace_sched_process_exec+0x860/0x860 [ 691.404822] ? xa_load+0x2ba/0x460 [ 691.408374] ? lock_downgrade+0x900/0x900 [ 691.412538] ? __might_sleep+0x95/0x190 [ 691.416524] __alloc_pages_nodemask+0xad8/0xea0 [ 691.421209] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 691.426230] ? __page_cache_alloc+0x191/0x5c0 [ 691.430732] ? xa_load+0x2e1/0x460 [ 691.434279] ? xa_clear_mark+0x40/0x40 [ 691.438170] ? up_read_non_owner+0x100/0x100 [ 691.442589] ? zap_class+0x640/0x640 [ 691.446321] ? zap_class+0x640/0x640 [ 691.450042] ? zap_class+0x640/0x640 [ 691.453766] ? __do_page_cache_readahead+0x663/0x810 [ 691.458879] ? find_held_lock+0x36/0x1c0 [ 691.462957] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 691.468505] alloc_pages_current+0x173/0x350 [ 691.472930] __page_cache_alloc+0x38c/0x5c0 [ 691.477255] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 691.482188] ? kasan_check_read+0x11/0x20 [ 691.486341] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 691.491628] ? generic_perform_write+0x6a0/0x6a0 [ 691.496414] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 691.501960] ? check_preemption_disabled+0x48/0x280 [ 691.506990] filemap_fault+0x1595/0x25f0 [ 691.511070] ? __lock_page_or_retry+0xa00/0xa00 [ 691.515747] ? mark_held_locks+0x130/0x130 [ 691.520001] ? filemap_map_pages+0xd6b/0x1a20 [ 691.524506] ? lock_downgrade+0x900/0x900 [ 691.528667] ? check_preemption_disabled+0x48/0x280 [ 691.533695] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 691.538634] ? kasan_check_read+0x11/0x20 [ 691.542794] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 691.548078] ? rcu_softirq_qs+0x20/0x20 [ 691.552073] ? filemap_map_pages+0xd92/0x1a20 [ 691.556591] ? find_get_entries_tag+0x1400/0x1400 [ 691.561462] ? alloc_set_pte+0x1447/0x1f40 [ 691.565722] ? lock_acquire+0x1ed/0x520 [ 691.569703] ? ext4_filemap_fault+0x7a/0xad [ 691.574036] ? lock_release+0xa00/0xa00 [ 691.578013] ? perf_trace_sched_process_exec+0x860/0x860 [ 691.583470] ? print_usage_bug+0xc0/0xc0 [ 691.587553] ? down_read+0x8d/0x120 [ 691.591185] ? ext4_filemap_fault+0x7a/0xad [ 691.595511] ? __down_interruptible+0x700/0x700 [ 691.600188] ? find_held_lock+0x36/0x1c0 [ 691.604259] ext4_filemap_fault+0x82/0xad [ 691.608424] __do_fault+0x100/0x6b0 [ 691.612061] ? lock_downgrade+0x900/0x900 [ 691.616214] ? pmd_devmap_trans_unstable+0x220/0x220 [ 691.621319] ? kasan_check_read+0x11/0x20 [ 691.625462] ? do_raw_spin_unlock+0xa7/0x330 [ 691.629875] ? do_raw_spin_trylock+0x270/0x270 [ 691.634567] __handle_mm_fault+0x3ea6/0x5be0 [ 691.638979] ? trace_hardirqs_on+0xbd/0x310 [ 691.643312] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 691.648169] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 691.653300] ? wake_up_new_task+0x6f7/0xcf0 [ 691.657628] ? kasan_check_read+0x11/0x20 [ 691.661795] ? zap_class+0x640/0x640 [ 691.665516] ? zap_class+0x640/0x640 [ 691.669247] ? put_pid.part.3+0x1c5/0x240 [ 691.673421] ? find_held_lock+0x36/0x1c0 [ 691.677497] ? handle_mm_fault+0x42a/0xc70 [ 691.681738] ? lock_downgrade+0x900/0x900 [ 691.685891] ? check_preemption_disabled+0x48/0x280 [ 691.690914] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 691.695850] ? kasan_check_read+0x11/0x20 [ 691.700003] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 691.705292] ? rcu_softirq_qs+0x20/0x20 [ 691.709272] ? trace_hardirqs_off_caller+0x310/0x310 [ 691.714400] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 691.719950] ? check_preemption_disabled+0x48/0x280 [ 691.724981] handle_mm_fault+0x54f/0xc70 [ 691.729052] ? __handle_mm_fault+0x5be0/0x5be0 [ 691.733649] ? find_vma+0x34/0x190 [ 691.737204] __do_page_fault+0x5e8/0xe60 [ 691.741272] ? trace_hardirqs_off+0xb8/0x310 [ 691.745699] do_page_fault+0xf2/0x7e0 [ 691.749507] ? vmalloc_sync_all+0x30/0x30 [ 691.753666] ? error_entry+0x70/0xd0 [ 691.757393] ? trace_hardirqs_off_caller+0xbb/0x310 [ 691.762419] ? trace_hardirqs_on_caller+0xc0/0x310 [ 691.767357] ? syscall_return_slowpath+0x5e0/0x5e0 [ 691.772305] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 691.777155] ? trace_hardirqs_on_caller+0x310/0x310 [ 691.782272] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 691.787861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 691.793409] ? prepare_exit_to_usermode+0x291/0x3b0 [ 691.798430] ? page_fault+0x8/0x30 [ 691.801981] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 691.806832] ? page_fault+0x8/0x30 [ 691.810387] page_fault+0x1e/0x30 [ 691.813848] RIP: 0033:0x45a4d0 [ 691.817053] Code: Bad RIP value. [ 691.820415] RSP: 002b:00007ffe3f590a28 EFLAGS: 00010246 [ 691.825779] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000455c2a [ 691.833050] RDX: 0000000000000000 RSI: 00007ffe3f590a30 RDI: 0000000000000001 [ 691.840321] RBP: 0000000000000140 R08: 0000000000000001 R09: 0000000002207940 [ 691.847591] R10: 0000000002207c10 R11: 0000000000000246 R12: 0000000000000000 [ 691.854866] R13: 0000000000000001 R14: 0000000000000042 R15: 0000000000000004 [ 691.879510] Mem-Info: [ 691.904788] active_anon:5749 inactive_anon:194 isolated_anon:0 [ 691.904788] active_file:9 inactive_file:12 isolated_file:0 [ 691.904788] unevictable:0 dirty:0 writeback:0 unstable:0 [ 691.904788] slab_reclaimable:12644 slab_unreclaimable:1480989 [ 691.904788] mapped:2 shmem:245 pagetables:468 bounce:0 [ 691.904788] free:23851 free_pcp:61 free_cma:0 [ 691.956814] Node 0 active_anon:22996kB inactive_anon:776kB active_file:36kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 692.001039] 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 [ 692.048638] lowmem_reserve[]: 0 2818 6321 6321 [ 692.074170] Node 0 DMA32 free:43812kB min:30052kB low:37564kB high:45076kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 692.119576] lowmem_reserve[]: 0 0 3503 3503 [ 692.123987] Node 0 Normal free:35788kB min:37364kB low:46704kB high:56044kB active_anon:22948kB inactive_anon:776kB active_file:36kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7072kB pagetables:1872kB bounce:0kB free_pcp:244kB local_pcp:184kB free_cma:0kB [ 692.235881] lowmem_reserve[]: 0 0 0 0 [ 692.239742] 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 [ 692.261342] Node 0 DMA32: 9*4kB (UME) 8*8kB (UME) 16*16kB (UME) 10*32kB (ME) 6*64kB (UME) 4*128kB (UM) 3*256kB (ME) 3*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (UM) = 43812kB [ 692.361648] Node 0 Normal: 1446*4kB (UME) 1047*8kB (UME) 351*16kB (UME) 130*32kB (UME) 79*64kB (UME) 31*128kB (UME) 12*256kB (M) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36032kB [ 692.411547] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 692.490924] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 692.517247] 266 total pagecache pages [ 692.521119] 0 pages in swap cache [ 692.531394] Swap cache stats: add 0, delete 0, find 0/0 [ 692.568406] Free swap = 0kB [ 692.571458] Total swap = 0kB [ 692.630673] 1965979 pages RAM [ 692.665225] 0 pages HighMem/MovableOnly [ 692.669243] 342853 pages reserved [ 692.703637] 0 pages cma reserved [ 692.707046] Unreclaimable slab info: [ 692.710760] Name Used Total [ 692.801949] pid_2 70KB 156KB [ 692.807411] TIPC 10KB 28KB [ 692.829785] SCTPv6 14KB 24KB [ 692.839976] DCCPv6 17KB 21KB [ 692.897724] DCCP 16KB 20KB [ 692.924709] bridge_fdb_cache 11KB 27KB [ 692.930121] fib6_nodes 77KB 120KB [ 692.986077] ip6_dst_cache 150KB 247KB [ 692.991498] RAWv6 68KB 91KB [ 693.072837] UDPv6 3KB 3KB [ 693.078253] TCPv6 23KB 23KB [ 693.148164] nf_conntrack 0KB 3KB [ 693.165577] sd_ext_cdb 0KB 3KB [ 693.170997] scsi_sense_cache 1056KB 1060KB [ 693.264427] virtio_scsi_cmd 16KB 16KB [ 693.269846] sgpool-128 8KB 8KB [ 693.311963] sgpool-64 4KB 6KB [ 693.317380] sgpool-32 2KB 7KB [ 693.399607] sgpool-16 1KB 3KB [ 693.441341] sgpool-8 0KB 3KB [ 693.520758] mqueue_inode_cache 10KB 28KB [ 693.529918] bio_post_read_ctx 14KB 15KB [ 693.571497] bio-2 14KB 15KB [ 693.635179] jfs_mp 7KB 7KB [ 693.640609] nfs_commit_data 3KB 7KB [ 693.665769] nfs_write_data 32KB 32KB [ 693.671364] ext4_system_zone 0KB 3KB [ 693.699326] bio-1 1KB 3KB [ 693.729928] pid_namespace 2KB 11KB [ 693.777758] rpc_buffers 17KB 19KB [ 693.791895] rpc_tasks 2KB 3KB [ 693.797304] UNIX 14KB 25KB [ 693.869557] tcp_bind_bucket 1KB 4KB [ 693.906787] ip_fib_trie 11KB 19KB [ 693.918925] ip_fib_alias 52KB 83KB [ 693.975457] ip_dst_cache 1KB 8KB [ 693.980873] RAW 40KB 64KB [ 694.001351] UDP 16KB 39KB [ 694.011514] TCP 5KB 5KB [ 694.049718] hugetlbfs_inode_cache 2KB 7KB [ 694.080069] fscache_cookie_jar 1KB 7KB [ 694.139699] eventpoll_pwq 31KB 43KB [ 694.208245] eventpoll_epi 57KB 82KB [ 694.222079] inotify_inode_mark 59KB 82KB [ 694.227569] request_queue 164KB 164KB [ 694.268672] blkdev_ioc 20KB 38KB [ 694.309406] bio-0 4590KB 4590KB [ 694.316904] biovec-max 2260KB 2260KB [ 694.355832] biovec-64 5647KB 5654KB [ 694.361266] biovec-16 1233KB 1233KB [ 694.413346] bio_integrity_payload 1KB 3KB [ 694.419109] khugepaged_mm_slot 0KB 3KB [ 694.469546] dmaengine-unmap-256 2KB 6KB [ 694.555239] dmaengine-unmap-128 1KB 3KB [ 694.560825] dmaengine-unmap-16 0KB 4KB [ 694.626089] dmaengine-unmap-2 0KB 3KB [ 694.631627] skbuff_fclone_cache 3KB 11KB [ 694.702248] skbuff_head_cache 938KB 1908KB [ 694.707668] configfs_dir_cache 0KB 4KB [ 694.780864] file_lock_cache 0KB 3KB [ 694.811436] file_lock_ctx 0KB 3KB [ 694.840087] fsnotify_mark_connector 33KB 51KB [ 694.870979] net_namespace 51KB 51KB [ 694.911349] shmem_inode_cache 5540KB 5546KB [ 694.917965] task_delay_info 126KB 421KB [ 694.986442] proc_dir_entry 580KB 663KB [ 695.066915] pde_opener 0KB 3KB [ 695.080813] seq_file 252KB 334KB [ 695.155288] sigqueue 45KB 181KB [ 695.160789] kernfs_node_cache 11463KB 11466KB [ 695.224848] mnt_cache 80KB 104KB [ 695.230264] filp 4282KB 6431KB [ 695.258305] names_cache 112459KB 112480KB [ 695.330759] iint_cache 26KB 63KB [ 695.367267] hashtab_node 118KB 119KB [ 695.416113] ebitmap_node 1332KB 1555KB [ 695.421523] avtab_node 1012KB 1013KB [ 695.503710] avc_node 43KB 47KB [ 695.509125] selinux_file_security 297KB 561KB [ 695.532817] selinux_inode_security 3330KB 3652KB [ 695.538654] key_jar 3KB 7KB [ 695.590284] uts_namespace 2KB 11KB [ 695.640780] nsproxy 1KB 7KB [ 695.650161] vm_area_struct 8164KB 12088KB [ 695.670234] mm_struct 1456KB 2522KB [ 695.720838] fs_cache 112KB 400KB [ 695.747915] files_cache 437KB 810KB [ 695.821727] signal_cache 917KB 1689KB [ 695.831644] sighand_cache 474KB 506KB [ 695.909428] task_struct 3929KB 3960KB [ 695.989223] cred_jar 803KB 1984KB [ 696.054638] anon_vma_chain 4653KB 6217KB [ 696.060053] anon_vma 181KB 373KB [ 696.068104] pid 60KB 252KB [ 696.155024] Acpi-Operand 106KB 162KB [ 696.160452] Acpi-Namespace 19KB 23KB [ 696.200395] numa_policy 0KB 3KB [ 696.240115] debug_objects_cache 833KB 1106KB [ 696.287905] trace_event_file 260KB 262KB [ 696.302685] ftrace_event_field 376KB 381KB [ 696.308165] pool_workqueue 87KB 104KB [ 696.335382] task_group 5KB 7KB [ 696.340778] page->ptl 1393KB 2846KB [ 696.373431] kmalloc-4M 5500928KB 5500928KB [ 696.378838] kmalloc-2M 2050KB 2050KB [ 696.409181] kmalloc-512k 2056KB 2056KB [ 696.448110] kmalloc-256k 1290KB 1290KB [ 696.497881] kmalloc-128k 650KB 650KB [ 696.538524] kmalloc-64k 330KB 330KB [ 696.546183] kmalloc-32k 10428KB 10560KB [ 696.551575] kmalloc-16k 1006KB 1105KB [ 696.561143] kmalloc-8k 1798KB 1798KB [ 696.636108] kmalloc-4k 15669KB 15682KB [ 696.641519] kmalloc-2k 7129KB 8555KB [ 696.664938] kmalloc-1k 4379KB 5819KB [ 696.670344] kmalloc-512 3634KB 5478KB [ 696.678662] kmalloc-256 2887KB 3641KB [ 696.761009] kmalloc-128 918KB 1090KB [ 696.771051] kmalloc-96 1731KB 2380KB [ 696.832141] kmalloc-64 3331KB 3740KB [ 696.837558] kmalloc-32 2900KB 3106KB [ 696.861787] kmalloc-192 669KB 972KB [ 696.870765] kmem_cache 221KB 225KB [ 696.960876] Out of memory: Kill process 14656 (syz-executor1) score 999 or sacrifice child [ 696.989675] Killed process 14656 (syz-executor1) total-vm:37440kB, anon-rss:84kB, file-rss:0kB, shmem-rss:0kB [ 697.085378] syz-executor2 invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 697.120334] syz-executor2 cpuset=syz2 mems_allowed=0 [ 697.130142] CPU: 0 PID: 13451 Comm: syz-executor2 Not tainted 4.20.0-rc6+ #151 [ 697.137521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 697.146876] Call Trace: [ 697.149476] dump_stack+0x244/0x39d [ 697.153122] ? dump_stack_print_info.cold.1+0x20/0x20 [ 697.158322] ? mark_held_locks+0x130/0x130 [ 697.162562] ? mark_held_locks+0x130/0x130 [ 697.166806] dump_header+0x27b/0xf72 [ 697.170540] ? pagefault_out_of_memory+0x197/0x197 [ 697.175487] ? mark_held_locks+0x130/0x130 [ 697.179728] ? __lock_acquire+0x62f/0x4c20 [ 697.183978] ? percpu_ref_get_many+0x240/0x240 [ 697.188561] ? print_usage_bug+0xc0/0xc0 [ 697.192622] ? zap_class+0x640/0x640 [ 697.196348] ? print_usage_bug+0xc0/0xc0 [ 697.200474] ? print_usage_bug+0xc0/0xc0 [ 697.204906] ? zap_class+0x640/0x640 [ 697.208642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 697.214188] ? find_held_lock+0x36/0x1c0 [ 697.218274] ? mark_held_locks+0xc7/0x130 [ 697.222463] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 697.227569] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 697.232682] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 697.237274] ? trace_hardirqs_on+0xbd/0x310 [ 697.241605] ? kasan_check_read+0x11/0x20 [ 697.245759] ? ___ratelimit+0x3b4/0x672 [ 697.249743] ? trace_hardirqs_off_caller+0x310/0x310 [ 697.254853] ? trace_hardirqs_on+0x310/0x310 [ 697.259260] ? lock_downgrade+0x900/0x900 [ 697.263413] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 697.268526] ? ___ratelimit+0x3b9/0x672 [ 697.272509] ? idr_get_free+0xf70/0xf70 [ 697.276487] ? kasan_check_read+0x11/0x20 [ 697.280638] ? do_raw_spin_unlock+0xa7/0x330 [ 697.285070] oom_kill_process.cold.27+0x10/0x903 [ 697.289928] ? zap_class+0x640/0x640 [ 697.293650] ? _raw_spin_unlock+0x2c/0x50 [ 697.297794] ? oom_badness+0xe6/0xaa0 [ 697.301582] ? oom_evaluate_task+0x540/0x540 [ 697.305990] ? find_held_lock+0x36/0x1c0 [ 697.310068] ? out_of_memory+0x974/0x1430 [ 697.314224] ? lock_downgrade+0x900/0x900 [ 697.318378] ? check_preemption_disabled+0x48/0x280 [ 697.323402] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 697.328342] ? kasan_check_read+0x11/0x20 [ 697.332500] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 697.337780] ? rcu_softirq_qs+0x20/0x20 [ 697.341765] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 697.346786] ? oom_evaluate_task+0x302/0x540 [ 697.351200] out_of_memory+0xa84/0x1430 [ 697.355185] ? oom_killer_disable+0x3a0/0x3a0 [ 697.359679] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 697.364610] ? __ww_mutex_check_waiters+0x160/0x160 [ 697.369645] __alloc_pages_slowpath+0x232c/0x2de0 [ 697.374520] ? warn_alloc+0x120/0x120 [ 697.378332] ? mark_held_locks+0x130/0x130 [ 697.382580] ? find_get_entry+0xaae/0x1120 [ 697.386831] ? filemap_map_pages+0x1a20/0x1a20 [ 697.391440] ? check_preemption_disabled+0x48/0x280 [ 697.396464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.402010] ? should_fail+0x22d/0xd01 [ 697.405906] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 697.411025] ? zap_class+0x640/0x640 [ 697.414753] ? __put_page+0x190/0x190 [ 697.418577] ? __lock_is_held+0xb5/0x140 [ 697.422661] ? mark_held_locks+0x130/0x130 [ 697.426903] ? lock_release+0xa00/0xa00 [ 697.430888] ? perf_trace_sched_process_exec+0x860/0x860 [ 697.436352] ? xa_load+0x2ba/0x460 [ 697.439912] ? __might_sleep+0x95/0x190 [ 697.443898] __alloc_pages_nodemask+0xad8/0xea0 [ 697.448593] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 697.453615] ? __page_cache_alloc+0x191/0x5c0 [ 697.458116] ? xa_load+0x2e1/0x460 [ 697.461661] ? xa_clear_mark+0x40/0x40 [ 697.465552] ? trace_hardirqs_on+0xbd/0x310 [ 697.469881] ? zap_class+0x640/0x640 [ 697.473614] ? zap_class+0x640/0x640 [ 697.477334] ? zap_class+0x640/0x640 [ 697.481055] ? __do_page_cache_readahead+0x663/0x810 [ 697.486179] ? find_held_lock+0x36/0x1c0 [ 697.490252] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 697.495803] alloc_pages_current+0x173/0x350 [ 697.500225] __page_cache_alloc+0x38c/0x5c0 [ 697.504550] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 697.509485] ? kasan_check_read+0x11/0x20 [ 697.513637] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 697.518927] ? generic_perform_write+0x6a0/0x6a0 [ 697.523691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.529236] ? check_preemption_disabled+0x48/0x280 [ 697.534268] filemap_fault+0x1595/0x25f0 [ 697.538349] ? __lock_page_or_retry+0xa00/0xa00 [ 697.543030] ? mark_held_locks+0x130/0x130 [ 697.547380] ? filemap_map_pages+0xd6b/0x1a20 [ 697.551885] ? lock_downgrade+0x900/0x900 [ 697.556048] ? check_preemption_disabled+0x48/0x280 [ 697.561077] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 697.566026] ? kasan_check_read+0x11/0x20 [ 697.570186] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 697.575475] ? rcu_softirq_qs+0x20/0x20 [ 697.579480] ? filemap_map_pages+0xd92/0x1a20 [ 697.583998] ? __lock_acquire+0x62f/0x4c20 [ 697.588249] ? find_get_entries_tag+0x1400/0x1400 [ 697.593123] ? lock_acquire+0x1ed/0x520 [ 697.597099] ? ext4_filemap_fault+0x7a/0xad [ 697.601411] ? lock_release+0xa00/0xa00 [ 697.605381] ? perf_trace_sched_process_exec+0x860/0x860 [ 697.610842] ? print_usage_bug+0xc0/0xc0 [ 697.614918] ? print_usage_bug+0xc0/0xc0 [ 697.618999] ? down_read+0x8d/0x120 [ 697.622627] ? ext4_filemap_fault+0x7a/0xad [ 697.626954] ? __down_interruptible+0x700/0x700 [ 697.631643] ext4_filemap_fault+0x82/0xad [ 697.635805] __do_fault+0x100/0x6b0 [ 697.639445] ? pmd_devmap_trans_unstable+0x220/0x220 [ 697.644561] ? mark_held_locks+0x130/0x130 [ 697.648802] ? mark_held_locks+0x130/0x130 [ 697.653045] ? mntput_no_expire+0x1ba/0xc00 [ 697.657372] ? lock_downgrade+0x900/0x900 [ 697.661524] ? check_preemption_disabled+0x48/0x280 [ 697.666550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.672101] __handle_mm_fault+0x3ea6/0x5be0 [ 697.676511] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 697.681478] ? mntput_no_expire+0x1e6/0xc00 [ 697.685804] ? mnt_get_count+0x150/0x150 [ 697.689894] ? zap_class+0x640/0x640 [ 697.693611] ? zap_class+0x640/0x640 [ 697.697340] ? find_held_lock+0x36/0x1c0 [ 697.701419] ? handle_mm_fault+0x42a/0xc70 [ 697.705661] ? lock_downgrade+0x900/0x900 [ 697.709817] ? check_preemption_disabled+0x48/0x280 [ 697.714845] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 697.719780] ? kasan_check_read+0x11/0x20 [ 697.723935] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 697.729211] ? rcu_softirq_qs+0x20/0x20 [ 697.733518] ? trace_hardirqs_off_caller+0x310/0x310 [ 697.738606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 697.744143] ? check_preemption_disabled+0x48/0x280 [ 697.749182] handle_mm_fault+0x54f/0xc70 [ 697.753257] ? __handle_mm_fault+0x5be0/0x5be0 [ 697.757857] ? find_vma+0x34/0x190 [ 697.761415] __do_page_fault+0x5e8/0xe60 [ 697.765481] ? trace_hardirqs_off+0xb8/0x310 [ 697.769914] do_page_fault+0xf2/0x7e0 [ 697.773714] ? vmalloc_sync_all+0x30/0x30 [ 697.777866] ? error_entry+0x70/0xd0 [ 697.781588] ? trace_hardirqs_off_caller+0xbb/0x310 [ 697.786604] ? trace_hardirqs_on_caller+0xc0/0x310 [ 697.791539] ? syscall_return_slowpath+0x5e0/0x5e0 [ 697.796477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 697.801330] ? trace_hardirqs_on_caller+0x310/0x310 [ 697.806353] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 697.811816] ? prepare_exit_to_usermode+0x291/0x3b0 [ 697.816843] ? page_fault+0x8/0x30 [ 697.820397] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 697.825254] ? page_fault+0x8/0x30 [ 697.828802] page_fault+0x1e/0x30 [ 697.832262] RIP: 0033:0x45a0c7 [ 697.835467] Code: Bad RIP value. [ 697.838838] RSP: 002b:00007ffce8a00cf8 EFLAGS: 00010246 [ 697.844202] RAX: ffffffffffffffea RBX: 0000000000000064 RCX: 000000000045a0c7 [ 697.851457] RDX: 000000000000000c RSI: 0000000000000002 RDI: 00007ffce8a01e30 [ 697.858718] RBP: 0000000000000144 R08: 0000000000000001 R09: 0000000001a1d940 [ 697.865990] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffce8a01e30 [ 697.873266] R13: 00000000000a4e5e R14: 0000000000000000 R15: 0000000000000002 [ 697.883031] Mem-Info: [ 697.885495] active_anon:5749 inactive_anon:194 isolated_anon:0 [ 697.885495] active_file:5 inactive_file:16 isolated_file:0 [ 697.885495] unevictable:0 dirty:0 writeback:0 unstable:0 [ 697.885495] slab_reclaimable:12634 slab_unreclaimable:1480960 [ 697.885495] mapped:2 shmem:245 pagetables:468 bounce:0 [ 697.885495] free:23751 free_pcp:83 free_cma:0 [ 697.959145] Node 0 active_anon:22948kB inactive_anon:776kB active_file:40kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 698.006311] 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 [ 698.081399] lowmem_reserve[]: 0 2818 6321 6321 [ 698.097418] Node 0 DMA32 free:43812kB min:30052kB low:37564kB high:45076kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 698.128508] lowmem_reserve[]: 0 0 3503 3503 [ 698.133090] Node 0 Normal free:35316kB min:37364kB low:46704kB high:56044kB active_anon:22900kB inactive_anon:776kB active_file:40kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7040kB pagetables:1844kB bounce:0kB free_pcp:332kB local_pcp:328kB free_cma:0kB [ 698.183018] lowmem_reserve[]: 0 0 0 0 [ 698.186872] 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 [ 698.253645] Node 0 DMA32: 9*4kB (UME) 8*8kB (UME) 16*16kB (UME) 10*32kB (ME) 6*64kB (UME) 4*128kB (UM) 3*256kB (ME) 3*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (UM) = 43812kB [ 698.322154] Node 0 Normal: 1407*4kB (UME) 1021*8kB (UME) 349*16kB (UME) 128*32kB (UME) 77*64kB (UME) 30*128kB (ME) 12*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 35316kB [ 698.340566] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 698.392383] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 698.400997] 266 total pagecache pages [ 698.421769] 0 pages in swap cache [ 698.471540] Swap cache stats: add 0, delete 0, find 0/0 [ 698.498030] Free swap = 0kB [ 698.501089] Total swap = 0kB [ 698.507296] 1965979 pages RAM [ 698.510419] 0 pages HighMem/MovableOnly [ 698.571738] 342853 pages reserved [ 698.607098] 0 pages cma reserved [ 698.610501] Unreclaimable slab info: [ 698.618605] Name Used Total [ 698.627247] pid_2 69KB 156KB [ 698.659755] TIPC 10KB 28KB [ 698.710516] SCTPv6 14KB 24KB [ 698.733864] DCCPv6 17KB 21KB [ 698.739279] DCCP 16KB 20KB [ 698.759111] bridge_fdb_cache 11KB 27KB [ 698.790136] fib6_nodes 77KB 120KB [ 698.798880] ip6_dst_cache 146KB 247KB [ 698.848925] RAWv6 68KB 91KB [ 698.861248] UDPv6 3KB 3KB [ 698.868743] TCPv6 23KB 23KB [ 698.875133] nf_conntrack 0KB 3KB [ 698.880536] sd_ext_cdb 0KB 3KB [ 698.944769] scsi_sense_cache 1056KB 1060KB [ 698.950191] virtio_scsi_cmd 16KB 16KB [ 698.993841] sgpool-128 8KB 8KB [ 698.999249] sgpool-64 4KB 6KB [ 699.057410] sgpool-32 2KB 7KB [ 699.077451] sgpool-16 1KB 3KB [ 699.082909] sgpool-8 0KB 3KB [ 699.088278] mqueue_inode_cache 10KB 28KB [ 699.115221] bio_post_read_ctx 14KB 15KB [ 699.120651] bio-2 14KB 15KB [ 699.154033] jfs_mp 7KB 7KB [ 699.159458] nfs_commit_data 3KB 7KB [ 699.184082] nfs_write_data 32KB 32KB [ 699.189509] ext4_system_zone 0KB 3KB [ 699.282156] bio-1 1KB 3KB [ 699.287575] pid_namespace 2KB 11KB [ 699.329682] rpc_buffers 17KB 19KB [ 699.337737] rpc_tasks 2KB 3KB [ 699.378188] UNIX 14KB 25KB [ 699.411615] tcp_bind_bucket 1KB 4KB [ 699.451173] ip_fib_trie 11KB 19KB [ 699.461004] ip_fib_alias 52KB 83KB [ 699.512982] ip_dst_cache 1KB 8KB [ 699.518393] RAW 40KB 64KB [ 699.530902] UDP 16KB 39KB [ 699.539098] TCP 5KB 5KB [ 699.571631] hugetlbfs_inode_cache 2KB 7KB [ 699.600059] fscache_cookie_jar 1KB 7KB [ 699.629029] eventpoll_pwq 31KB 43KB [ 699.661517] eventpoll_epi 57KB 82KB [ 699.701891] inotify_inode_mark 58KB 82KB [ 699.707384] request_queue 164KB 164KB [ 699.746886] blkdev_ioc 19KB 38KB [ 699.797583] bio-0 4586KB 4590KB [ 699.830501] biovec-max 2260KB 2260KB [ 699.839605] biovec-64 5641KB 5654KB [ 699.847833] biovec-16 1232KB 1233KB [ 699.897762] bio_integrity_payload 1KB 3KB [ 699.919635] khugepaged_mm_slot 0KB 3KB [ 699.946774] dmaengine-unmap-256 2KB 6KB [ 699.961769] dmaengine-unmap-128 1KB 3KB [ 700.020358] dmaengine-unmap-16 0KB 4KB [ 700.029462] dmaengine-unmap-2 0KB 3KB [ 700.060616] skbuff_fclone_cache 3KB 11KB [ 700.097289] skbuff_head_cache 923KB 1897KB [ 700.111647] configfs_dir_cache 0KB 4KB [ 700.121781] file_lock_cache 0KB 3KB [ 700.127233] file_lock_ctx 0KB 3KB [ 700.151604] fsnotify_mark_connector 33KB 51KB [ 700.206024] net_namespace 51KB 51KB [ 700.211426] shmem_inode_cache 5540KB 5546KB [ 700.270118] task_delay_info 125KB 421KB [ 700.299109] proc_dir_entry 579KB 663KB [ 700.350900] pde_opener 0KB 3KB [ 700.356699] seq_file 252KB 334KB [ 700.388820] sigqueue 45KB 181KB [ 700.427817] kernfs_node_cache 11463KB 11466KB [ 700.449420] mnt_cache 80KB 104KB [ 700.486636] filp 4246KB 6423KB [ 700.500920] names_cache 112455KB 112472KB [ 700.528714] iint_cache 26KB 63KB [ 700.550636] hashtab_node 118KB 119KB [ 700.593568] ebitmap_node 1331KB 1555KB [ 700.598997] avtab_node 1012KB 1013KB [ 700.618312] avc_node 43KB 47KB [ 700.637364] selinux_file_security 296KB 561KB [ 700.669442] selinux_inode_security 3330KB 3652KB [ 700.700427] key_jar 3KB 7KB [ 700.710666] uts_namespace 2KB 11KB [ 700.725787] nsproxy 1KB 7KB [ 700.731182] vm_area_struct 8150KB 12088KB [ 700.781177] mm_struct 1413KB 2476KB [ 700.818435] fs_cache 112KB 400KB [ 700.823985] files_cache 427KB 798KB [ 700.829346] signal_cache 905KB 1674KB [ 700.836205] sighand_cache 474KB 506KB [ 700.841590] task_struct 3929KB 3947KB [ 700.888174] cred_jar 772KB 1980KB [ 700.928712] anon_vma_chain 4640KB 6217KB [ 700.938237] anon_vma 178KB 373KB [ 701.000268] pid 60KB 252KB [ 701.036298] Acpi-Operand 106KB 162KB [ 701.041712] Acpi-Namespace 19KB 23KB [ 701.057245] numa_policy 0KB 3KB [ 701.068362] debug_objects_cache 833KB 1106KB [ 701.088180] trace_event_file 260KB 262KB [ 701.098057] ftrace_event_field 376KB 381KB [ 701.135869] pool_workqueue 87KB 104KB [ 701.160748] task_group 5KB 7KB [ 701.197091] page->ptl 1383KB 2846KB [ 701.209272] kmalloc-4M 5500928KB 5500928KB [ 701.241669] kmalloc-2M 2050KB 2050KB [ 701.263184] kmalloc-512k 2056KB 2056KB [ 701.269194] kmalloc-256k 1290KB 1290KB [ 701.295452] kmalloc-128k 650KB 650KB [ 701.300883] kmalloc-64k 330KB 330KB [ 701.327208] kmalloc-32k 10428KB 10494KB [ 701.337070] kmalloc-16k 973KB 1072KB [ 701.370544] kmalloc-8k 1798KB 1798KB [ 701.401111] kmalloc-4k 15661KB 15674KB [ 701.439823] kmalloc-2k 7082KB 8478KB [ 701.480585] kmalloc-1k 4351KB 5811KB [ 701.490627] kmalloc-512 3600KB 5478KB [ 701.530874] kmalloc-256 2882KB 3641KB [ 701.562189] kmalloc-128 911KB 1090KB [ 701.567604] kmalloc-96 1725KB 2380KB [ 701.611619] kmalloc-64 3328KB 3740KB [ 701.639500] kmalloc-32 2899KB 3106KB [ 701.648743] kmalloc-192 667KB 972KB [ 701.709305] kmem_cache 221KB 225KB [ 701.729028] Out of memory: Kill process 14657 (syz-executor0) score 999 or sacrifice child [ 701.741100] Killed process 14657 (syz-executor0) total-vm:37440kB, anon-rss:80kB, file-rss:0kB, shmem-rss:0kB [ 701.807492] init invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 701.826919] init cpuset=/ mems_allowed=0 [ 701.831024] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc6+ #151 [ 701.837261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 701.846616] Call Trace: [ 701.849222] dump_stack+0x244/0x39d [ 701.852868] ? dump_stack_print_info.cold.1+0x20/0x20 [ 701.858061] ? mark_held_locks+0x130/0x130 [ 701.862299] ? mark_held_locks+0x130/0x130 [ 701.866554] dump_header+0x27b/0xf72 [ 701.870376] ? pagefault_out_of_memory+0x197/0x197 [ 701.875318] ? mark_held_locks+0x130/0x130 [ 701.879586] ? __lock_acquire+0x62f/0x4c20 [ 701.883835] ? percpu_ref_get_many+0x240/0x240 [ 701.888425] ? print_usage_bug+0xc0/0xc0 [ 701.892498] ? zap_class+0x640/0x640 [ 701.896222] ? print_usage_bug+0xc0/0xc0 [ 701.900290] ? print_usage_bug+0xc0/0xc0 [ 701.904363] ? zap_class+0x640/0x640 [ 701.908093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 701.913644] ? find_held_lock+0x36/0x1c0 [ 701.917723] ? mark_held_locks+0xc7/0x130 [ 701.921880] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 701.926990] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 701.932099] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 701.936688] ? trace_hardirqs_on+0xbd/0x310 [ 701.941016] ? kasan_check_read+0x11/0x20 [ 701.945169] ? ___ratelimit+0x3b4/0x672 [ 701.949150] ? trace_hardirqs_off_caller+0x310/0x310 [ 701.954270] ? trace_hardirqs_on+0x310/0x310 [ 701.958690] ? lock_downgrade+0x900/0x900 [ 701.962849] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 701.967962] ? ___ratelimit+0x3b9/0x672 [ 701.971948] ? idr_get_free+0xf70/0xf70 [ 701.975933] ? kasan_check_read+0x11/0x20 [ 701.980086] ? do_raw_spin_unlock+0xa7/0x330 [ 701.984513] oom_kill_process.cold.27+0x10/0x903 [ 701.989286] ? zap_class+0x640/0x640 [ 701.993007] ? _raw_spin_unlock+0x2c/0x50 [ 701.997159] ? oom_badness+0xe6/0xaa0 [ 702.000973] ? oom_evaluate_task+0x540/0x540 [ 702.005391] ? find_held_lock+0x36/0x1c0 [ 702.009466] ? out_of_memory+0x974/0x1430 [ 702.013624] ? lock_downgrade+0x900/0x900 [ 702.017779] ? check_preemption_disabled+0x48/0x280 [ 702.022817] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 702.027756] ? kasan_check_read+0x11/0x20 [ 702.031913] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 702.037231] ? rcu_softirq_qs+0x20/0x20 [ 702.041216] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 702.046237] ? oom_evaluate_task+0x302/0x540 [ 702.050656] out_of_memory+0xa84/0x1430 [ 702.054647] ? oom_killer_disable+0x3a0/0x3a0 [ 702.059150] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 702.064092] ? __ww_mutex_check_waiters+0x160/0x160 [ 702.069129] __alloc_pages_slowpath+0x232c/0x2de0 [ 702.074010] ? warn_alloc+0x120/0x120 [ 702.077820] ? mark_held_locks+0x130/0x130 [ 702.082069] ? find_get_entry+0xaae/0x1120 [ 702.086317] ? filemap_map_pages+0x1a20/0x1a20 [ 702.090910] ? zap_class+0x640/0x640 [ 702.094641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.100189] ? check_preemption_disabled+0x48/0x280 [ 702.105215] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.110777] ? should_fail+0x22d/0xd01 [ 702.114687] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 702.119805] ? zap_class+0x640/0x640 [ 702.123559] ? __lock_is_held+0xb5/0x140 [ 702.127633] ? mark_held_locks+0x130/0x130 [ 702.131878] ? lock_release+0xa00/0xa00 [ 702.135861] ? perf_trace_sched_process_exec+0x860/0x860 [ 702.141320] ? xa_load+0x2ba/0x460 [ 702.144873] ? lock_downgrade+0x900/0x900 [ 702.149031] ? __might_sleep+0x95/0x190 [ 702.153023] __alloc_pages_nodemask+0xad8/0xea0 [ 702.157705] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 702.162737] ? __page_cache_alloc+0x191/0x5c0 [ 702.167244] ? xa_load+0x2e1/0x460 [ 702.170795] ? xa_clear_mark+0x40/0x40 [ 702.174692] ? zap_class+0x640/0x640 [ 702.178423] ? zap_class+0x640/0x640 [ 702.182146] ? zap_class+0x640/0x640 [ 702.185871] ? __do_page_cache_readahead+0x663/0x810 [ 702.190986] ? find_held_lock+0x36/0x1c0 [ 702.195064] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 702.200621] alloc_pages_current+0x173/0x350 [ 702.205045] __page_cache_alloc+0x38c/0x5c0 [ 702.209372] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 702.214307] ? kasan_check_read+0x11/0x20 [ 702.218468] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 702.223757] ? generic_perform_write+0x6a0/0x6a0 [ 702.228537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.234087] ? check_preemption_disabled+0x48/0x280 [ 702.239125] filemap_fault+0x1595/0x25f0 [ 702.243213] ? __lock_page_or_retry+0xa00/0xa00 [ 702.247894] ? mark_held_locks+0x130/0x130 [ 702.252158] ? filemap_map_pages+0xd6b/0x1a20 [ 702.256666] ? lock_downgrade+0x900/0x900 [ 702.260825] ? check_preemption_disabled+0x48/0x280 [ 702.265855] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 702.270804] ? kasan_check_read+0x11/0x20 [ 702.274964] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 702.280249] ? rcu_softirq_qs+0x20/0x20 [ 702.284245] ? filemap_map_pages+0xd92/0x1a20 [ 702.288753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.294314] ? find_get_entries_tag+0x1400/0x1400 [ 702.299175] ? __lock_acquire+0x62f/0x4c20 [ 702.303431] ? lock_acquire+0x1ed/0x520 [ 702.307393] ? ext4_filemap_fault+0x7a/0xad [ 702.311892] ? lock_release+0xa00/0xa00 [ 702.315871] ? perf_trace_sched_process_exec+0x860/0x860 [ 702.321328] ? print_usage_bug+0xc0/0xc0 [ 702.325398] ? print_usage_bug+0xc0/0xc0 [ 702.329477] ? down_read+0x8d/0x120 [ 702.333114] ? ext4_filemap_fault+0x7a/0xad [ 702.337445] ? __down_interruptible+0x700/0x700 [ 702.342130] ext4_filemap_fault+0x82/0xad [ 702.346287] __do_fault+0x100/0x6b0 [ 702.349930] ? pmd_devmap_trans_unstable+0x220/0x220 [ 702.355050] ? mark_held_locks+0x130/0x130 [ 702.359292] ? mark_held_locks+0x130/0x130 [ 702.363539] ? find_held_lock+0x36/0x1c0 [ 702.367613] ? find_held_lock+0x36/0x1c0 [ 702.371688] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.377239] __handle_mm_fault+0x3ea6/0x5be0 [ 702.381656] ? poll_select_copy_remaining+0x18c/0x6a0 [ 702.386868] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 702.391723] ? __might_fault+0x12b/0x1e0 [ 702.395789] ? lock_downgrade+0x900/0x900 [ 702.399930] ? zap_class+0x640/0x640 [ 702.403637] ? zap_class+0x640/0x640 [ 702.407366] ? find_held_lock+0x36/0x1c0 [ 702.411444] ? handle_mm_fault+0x42a/0xc70 [ 702.415692] ? lock_downgrade+0x900/0x900 [ 702.419945] ? check_preemption_disabled+0x48/0x280 [ 702.424973] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 702.429909] ? kasan_check_read+0x11/0x20 [ 702.434065] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 702.439347] ? rcu_softirq_qs+0x20/0x20 [ 702.443330] ? trace_hardirqs_off_caller+0x310/0x310 [ 702.448443] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.453993] ? check_preemption_disabled+0x48/0x280 [ 702.459029] handle_mm_fault+0x54f/0xc70 [ 702.463102] ? __handle_mm_fault+0x5be0/0x5be0 [ 702.467698] ? find_vma+0x34/0x190 [ 702.471251] __do_page_fault+0x5e8/0xe60 [ 702.475321] ? trace_hardirqs_off+0xb8/0x310 [ 702.479756] do_page_fault+0xf2/0x7e0 [ 702.483572] ? vmalloc_sync_all+0x30/0x30 [ 702.487730] ? error_entry+0x70/0xd0 [ 702.491458] ? trace_hardirqs_off_caller+0xbb/0x310 [ 702.496502] ? trace_hardirqs_on_caller+0xc0/0x310 [ 702.501439] ? syscall_return_slowpath+0x5e0/0x5e0 [ 702.506375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 702.511225] ? trace_hardirqs_on_caller+0x310/0x310 [ 702.516250] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 702.521709] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 702.526736] ? prepare_exit_to_usermode+0x291/0x3b0 [ 702.531771] ? page_fault+0x8/0x30 [ 702.535319] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 702.540174] ? page_fault+0x8/0x30 [ 702.543720] page_fault+0x1e/0x30 [ 702.547178] RIP: 0033:0x7f4664c59dd3 [ 702.550907] Code: Bad RIP value. [ 702.554273] RSP: 002b:00007ffc58339118 EFLAGS: 00010246 [ 702.559640] RAX: 0000000000000000 RBX: 00007ffc583392c0 RCX: 00007f4664c59dd3 [ 702.566944] RDX: 0000000000000000 RSI: 00007ffc58339470 RDI: 000000000000000b [ 702.574235] RBP: 00007ffc58339470 R08: 00007ffc583394f0 R09: 0000000000000001 [ 702.581505] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 702.588781] R13: 00007ffc58339850 R14: 0000000000000000 R15: 0000000000000000 [ 702.620662] Mem-Info: [ 702.630668] active_anon:5725 inactive_anon:194 isolated_anon:0 [ 702.630668] active_file:13 inactive_file:8 isolated_file:0 [ 702.630668] unevictable:0 dirty:0 writeback:0 unstable:0 [ 702.630668] slab_reclaimable:12633 slab_unreclaimable:1480790 [ 702.630668] mapped:2 shmem:245 pagetables:454 bounce:0 [ 702.630668] free:23470 free_pcp:125 free_cma:0 [ 702.666082] Node 0 active_anon:22900kB inactive_anon:776kB active_file:52kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 702.701661] 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 [ 702.758401] lowmem_reserve[]: 0 2818 6321 6321 [ 702.782224] Node 0 DMA32 free:43812kB min:30052kB low:37564kB high:45076kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 702.829142] lowmem_reserve[]: 0 0 3503 3503 [ 702.860183] Node 0 Normal free:34160kB min:37364kB low:46704kB high:56044kB active_anon:22852kB inactive_anon:776kB active_file:52kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:7008kB pagetables:1816kB bounce:0kB free_pcp:500kB local_pcp:160kB free_cma:0kB [ 702.911362] lowmem_reserve[]: 0 0 0 0 [ 702.954582] 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 [ 702.988306] Node 0 DMA32: 9*4kB (UME) 8*8kB (UME) 16*16kB (UME) 10*32kB (ME) 6*64kB (UME) 4*128kB (UM) 3*256kB (ME) 3*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (UM) = 43812kB [ 703.028955] Node 0 Normal: 1404*4kB (UME) 1009*8kB (UME) 338*16kB (UME) 124*32kB (UME) 75*64kB (UME) 30*128kB (UME) 10*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 34264kB [ 703.072165] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 703.081038] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 703.121454] 266 total pagecache pages [ 703.158448] 0 pages in swap cache [ 703.169617] Swap cache stats: add 0, delete 0, find 0/0 [ 703.188443] Free swap = 0kB [ 703.191487] Total swap = 0kB [ 703.200179] 1965979 pages RAM [ 703.253866] 0 pages HighMem/MovableOnly [ 703.257883] 342853 pages reserved [ 703.261338] 0 pages cma reserved [ 703.269655] Unreclaimable slab info: [ 703.275946] Name Used Total [ 703.281513] pid_2 68KB 156KB [ 703.329486] TIPC 10KB 28KB [ 703.351428] SCTPv6 14KB 24KB [ 703.359946] DCCPv6 17KB 21KB [ 703.367984] DCCP 16KB 20KB [ 703.390682] bridge_fdb_cache 11KB 27KB [ 703.401480] fib6_nodes 77KB 120KB [ 703.460720] ip6_dst_cache 145KB 247KB [ 703.479044] RAWv6 68KB 91KB [ 703.488572] UDPv6 3KB 3KB [ 703.516996] TCPv6 23KB 23KB [ 703.557772] nf_conntrack 0KB 3KB [ 703.588061] sd_ext_cdb 0KB 3KB [ 703.596518] scsi_sense_cache 1056KB 1060KB [ 703.610692] virtio_scsi_cmd 16KB 16KB [ 703.619617] sgpool-128 8KB 8KB [ 703.649328] sgpool-64 4KB 6KB [ 703.673157] sgpool-32 2KB 7KB [ 703.678558] sgpool-16 1KB 3KB [ 703.701627] sgpool-8 0KB 3KB [ 703.727524] mqueue_inode_cache 10KB 28KB [ 703.753614] bio_post_read_ctx 14KB 15KB [ 703.759043] bio-2 14KB 15KB [ 703.767020] jfs_mp 7KB 7KB [ 703.781312] nfs_commit_data 3KB 7KB [ 703.810324] nfs_write_data 32KB 32KB [ 703.833404] ext4_system_zone 0KB 3KB [ 703.838809] bio-1 1KB 3KB [ 703.880491] pid_namespace 2KB 11KB [ 703.887541] rpc_buffers 17KB 19KB [ 703.921446] rpc_tasks 2KB 3KB [ 703.991543] UNIX 14KB 25KB [ 704.019451] tcp_bind_bucket 1KB 4KB [ 704.049513] ip_fib_trie 11KB 19KB [ 704.080689] ip_fib_alias 52KB 83KB [ 704.087065] ip_dst_cache 1KB 8KB [ 704.096538] RAW 40KB 64KB [ 704.150174] UDP 16KB 39KB [ 704.185587] TCP 5KB 5KB [ 704.190993] hugetlbfs_inode_cache 2KB 7KB [ 704.199969] fscache_cookie_jar 1KB 7KB [ 704.209012] eventpoll_pwq 31KB 43KB [ 704.235969] eventpoll_epi 57KB 82KB [ 704.241379] inotify_inode_mark 58KB 82KB [ 704.295267] request_queue 164KB 164KB [ 704.300676] blkdev_ioc 19KB 38KB [ 704.309499] bio-0 4586KB 4590KB [ 704.377071] biovec-max 2260KB 2260KB [ 704.397192] biovec-64 5641KB 5654KB [ 704.411385] biovec-16 1231KB 1233KB [ 704.439340] bio_integrity_payload 1KB 3KB [ 704.459548] khugepaged_mm_slot 0KB 3KB [ 704.507704] dmaengine-unmap-256 2KB 6KB [ 704.531271] dmaengine-unmap-128 1KB 3KB [ 704.546014] dmaengine-unmap-16 0KB 4KB [ 704.551494] dmaengine-unmap-2 0KB 3KB [ 704.579959] skbuff_fclone_cache 3KB 11KB [ 704.621948] skbuff_head_cache 913KB 1897KB [ 704.627353] configfs_dir_cache 0KB 4KB [ 704.656390] file_lock_cache 0KB 3KB [ 704.666064] file_lock_ctx 0KB 3KB [ 704.671449] fsnotify_mark_connector 33KB 51KB [ 704.680350] net_namespace 51KB 51KB [ 704.740817] shmem_inode_cache 5540KB 5546KB [ 704.761358] task_delay_info 124KB 421KB [ 704.769461] proc_dir_entry 578KB 663KB [ 704.828793] pde_opener 0KB 3KB [ 704.844756] seq_file 252KB 334KB [ 704.850139] sigqueue 45KB 181KB [ 704.879742] kernfs_node_cache 11463KB 11466KB [ 704.885206] mnt_cache 80KB 104KB [ 704.890578] filp 4226KB 6423KB [ 704.920044] names_cache 112455KB 112463KB [ 704.951512] iint_cache 26KB 63KB [ 704.991232] hashtab_node 118KB 119KB [ 705.001036] ebitmap_node 1330KB 1555KB [ 705.007365] avtab_node 1012KB 1013KB [ 705.081619] avc_node 43KB 47KB [ 705.127967] selinux_file_security 295KB 561KB [ 705.156004] selinux_inode_security 3329KB 3652KB [ 705.228409] key_jar 3KB 7KB [ 705.277777] uts_namespace 2KB 11KB [ 705.291180] nsproxy 1KB 7KB [ 705.331146] vm_area_struct 8136KB 12088KB [ 705.393065] mm_struct 1399KB 2476KB [ 705.398469] fs_cache 111KB 400KB [ 705.417922] files_cache 421KB 791KB [ 705.425999] signal_cache 899KB 1667KB [ 705.431387] sighand_cache 474KB 506KB [ 705.499844] task_struct 3929KB 3935KB [ 705.521203] cred_jar 764KB 1980KB [ 705.531210] anon_vma_chain 4628KB 6217KB [ 705.537841] anon_vma 177KB 373KB [ 705.589126] pid 60KB 252KB [ 705.620091] Acpi-Operand 106KB 162KB [ 705.629859] Acpi-Namespace 19KB 23KB [ 705.701154] numa_policy 0KB 3KB [ 705.715126] debug_objects_cache 833KB 1106KB [ 705.720694] trace_event_file 260KB 262KB [ 705.726101] ftrace_event_field 376KB 381KB [ 705.731556] pool_workqueue 87KB 104KB [ 705.757393] task_group 5KB 7KB [ 705.797070] page->ptl 1373KB 2846KB [ 705.807177] kmalloc-4M 5500928KB 5500928KB [ 705.820658] kmalloc-2M 2050KB 2050KB [ 705.881089] kmalloc-512k 2056KB 2056KB [ 705.906474] kmalloc-256k 1290KB 1290KB [ 705.919015] kmalloc-128k 650KB 650KB [ 705.980728] kmalloc-64k 330KB 330KB [ 705.989291] kmalloc-32k 10428KB 10428KB [ 706.050652] kmalloc-16k 973KB 1039KB [ 706.090579] kmalloc-8k 1798KB 1798KB [ 706.099332] kmalloc-4k 15657KB 15665KB [ 706.107615] kmalloc-2k 7065KB 8466KB [ 706.160628] kmalloc-1k 4327KB 5811KB [ 706.190786] kmalloc-512 3583KB 5478KB [ 706.198893] kmalloc-256 2878KB 3641KB [ 706.264574] kmalloc-128 907KB 1090KB [ 706.269975] kmalloc-96 1723KB 2380KB [ 706.279903] kmalloc-64 3328KB 3740KB [ 706.339777] kmalloc-32 2898KB 3106KB [ 706.371099] kmalloc-192 666KB 972KB [ 706.400471] kmem_cache 221KB 225KB [ 706.410380] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 706.450739] Killed process 13443 (syz-executor2) total-vm:37444kB, anon-rss:68kB, file-rss:0kB, shmem-rss:0kB [ 706.500295] syz-execprog invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 706.514814] syz-execprog cpuset=/ mems_allowed=0 [ 706.519615] CPU: 1 PID: 6140 Comm: syz-execprog Not tainted 4.20.0-rc6+ #151 [ 706.526792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 706.536146] Call Trace: [ 706.538761] dump_stack+0x244/0x39d [ 706.542406] ? dump_stack_print_info.cold.1+0x20/0x20 [ 706.547594] ? mark_held_locks+0x130/0x130 [ 706.551825] ? mark_held_locks+0x130/0x130 [ 706.556097] dump_header+0x27b/0xf72 [ 706.559854] ? pagefault_out_of_memory+0x197/0x197 [ 706.564892] ? mark_held_locks+0x130/0x130 [ 706.569217] ? __lock_acquire+0x62f/0x4c20 [ 706.573448] ? percpu_ref_get_many+0x240/0x240 [ 706.578043] ? print_usage_bug+0xc0/0xc0 [ 706.582117] ? zap_class+0x640/0x640 [ 706.585840] ? print_usage_bug+0xc0/0xc0 [ 706.589900] ? print_usage_bug+0xc0/0xc0 [ 706.593963] ? zap_class+0x640/0x640 [ 706.597686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.603238] ? find_held_lock+0x36/0x1c0 [ 706.607300] ? mark_held_locks+0xc7/0x130 [ 706.611442] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 706.616544] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 706.621643] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 706.626212] ? trace_hardirqs_on+0xbd/0x310 [ 706.630519] ? kasan_check_read+0x11/0x20 [ 706.634660] ? ___ratelimit+0x3b4/0x672 [ 706.638638] ? trace_hardirqs_off_caller+0x310/0x310 [ 706.643753] ? trace_hardirqs_on+0x310/0x310 [ 706.648174] ? lock_downgrade+0x900/0x900 [ 706.652323] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 706.657434] ? ___ratelimit+0x3b9/0x672 [ 706.661449] ? idr_get_free+0xf70/0xf70 [ 706.665417] ? kasan_check_read+0x11/0x20 [ 706.669559] ? do_raw_spin_unlock+0xa7/0x330 [ 706.673969] oom_kill_process.cold.27+0x10/0x903 [ 706.678733] ? zap_class+0x640/0x640 [ 706.682455] ? _raw_spin_unlock+0x2c/0x50 [ 706.686596] ? oom_badness+0xe6/0xaa0 [ 706.690384] ? oom_evaluate_task+0x540/0x540 [ 706.694791] ? find_held_lock+0x36/0x1c0 [ 706.698958] ? out_of_memory+0x974/0x1430 [ 706.703198] ? lock_downgrade+0x900/0x900 [ 706.707397] ? check_preemption_disabled+0x48/0x280 [ 706.712420] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 706.717353] ? kasan_check_read+0x11/0x20 [ 706.721542] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 706.726835] ? rcu_softirq_qs+0x20/0x20 [ 706.730807] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 706.735832] ? oom_evaluate_task+0x302/0x540 [ 706.740252] out_of_memory+0xa84/0x1430 [ 706.744244] ? oom_killer_disable+0x3a0/0x3a0 [ 706.748750] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 706.753682] ? __ww_mutex_check_waiters+0x160/0x160 [ 706.758716] __alloc_pages_slowpath+0x232c/0x2de0 [ 706.763593] ? warn_alloc+0x120/0x120 [ 706.767392] ? mark_held_locks+0x130/0x130 [ 706.771648] ? find_get_entry+0xaae/0x1120 [ 706.775900] ? filemap_map_pages+0x1a20/0x1a20 [ 706.780501] ? zap_class+0x640/0x640 [ 706.784234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.789772] ? check_preemption_disabled+0x48/0x280 [ 706.794785] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.800327] ? should_fail+0x22d/0xd01 [ 706.804231] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 706.809341] ? zap_class+0x640/0x640 [ 706.813078] ? __lock_is_held+0xb5/0x140 [ 706.817158] ? mark_held_locks+0x130/0x130 [ 706.821392] ? lock_release+0xa00/0xa00 [ 706.825365] ? perf_trace_sched_process_exec+0x860/0x860 [ 706.830811] ? xa_load+0x2ba/0x460 [ 706.834353] ? lock_downgrade+0x900/0x900 [ 706.838515] ? __might_sleep+0x95/0x190 [ 706.842503] __alloc_pages_nodemask+0xad8/0xea0 [ 706.847174] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 706.852192] ? __page_cache_alloc+0x191/0x5c0 [ 706.856690] ? xa_load+0x2e1/0x460 [ 706.860237] ? xa_clear_mark+0x40/0x40 [ 706.864219] ? zap_class+0x640/0x640 [ 706.867931] ? zap_class+0x640/0x640 [ 706.871627] ? zap_class+0x640/0x640 [ 706.875337] ? __do_page_cache_readahead+0x663/0x810 [ 706.880451] ? find_held_lock+0x36/0x1c0 [ 706.884520] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 706.890058] alloc_pages_current+0x173/0x350 [ 706.894472] __page_cache_alloc+0x38c/0x5c0 [ 706.898798] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 706.903732] ? kasan_check_read+0x11/0x20 [ 706.907885] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 706.913176] ? generic_perform_write+0x6a0/0x6a0 [ 706.917946] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.923490] ? check_preemption_disabled+0x48/0x280 [ 706.928510] filemap_fault+0x1595/0x25f0 [ 706.932586] ? __lock_page_or_retry+0xa00/0xa00 [ 706.937264] ? mark_held_locks+0x130/0x130 [ 706.941526] ? filemap_map_pages+0xd6b/0x1a20 [ 706.946020] ? lock_downgrade+0x900/0x900 [ 706.950166] ? check_preemption_disabled+0x48/0x280 [ 706.955186] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 706.960119] ? kasan_check_read+0x11/0x20 [ 706.964287] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 706.969558] ? rcu_softirq_qs+0x20/0x20 [ 706.973546] ? filemap_map_pages+0xd92/0x1a20 [ 706.978051] ? __lock_acquire+0x62f/0x4c20 [ 706.982306] ? find_get_entries_tag+0x1400/0x1400 [ 706.987169] ? lock_acquire+0x1ed/0x520 [ 706.991144] ? ext4_filemap_fault+0x7a/0xad [ 706.995467] ? lock_release+0xa00/0xa00 [ 706.999443] ? perf_trace_sched_process_exec+0x860/0x860 [ 707.004909] ? print_usage_bug+0xc0/0xc0 [ 707.008966] ? print_usage_bug+0xc0/0xc0 [ 707.013039] ? down_read+0x8d/0x120 [ 707.016673] ? ext4_filemap_fault+0x7a/0xad [ 707.020994] ? __down_interruptible+0x700/0x700 [ 707.025666] ext4_filemap_fault+0x82/0xad [ 707.029812] __do_fault+0x100/0x6b0 [ 707.033526] ? pmd_devmap_trans_unstable+0x220/0x220 [ 707.038950] ? mark_held_locks+0x130/0x130 [ 707.043195] ? mark_held_locks+0x130/0x130 [ 707.047453] ? __might_fault+0x12b/0x1e0 [ 707.051519] ? lock_downgrade+0x900/0x900 [ 707.055673] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.061245] __handle_mm_fault+0x3ea6/0x5be0 [ 707.065668] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 707.070510] ? kasan_check_read+0x11/0x20 [ 707.074740] ? _copy_to_user+0xc8/0x110 [ 707.078725] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.084284] ? zap_class+0x640/0x640 [ 707.087998] ? zap_class+0x640/0x640 [ 707.091721] ? find_held_lock+0x36/0x1c0 [ 707.095793] ? handle_mm_fault+0x42a/0xc70 [ 707.100042] ? lock_downgrade+0x900/0x900 [ 707.104206] ? check_preemption_disabled+0x48/0x280 [ 707.109222] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 707.114164] ? kasan_check_read+0x11/0x20 [ 707.118316] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 707.123607] ? rcu_softirq_qs+0x20/0x20 [ 707.127578] ? trace_hardirqs_off_caller+0x310/0x310 [ 707.132679] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.138227] ? check_preemption_disabled+0x48/0x280 [ 707.143257] handle_mm_fault+0x54f/0xc70 [ 707.147326] ? __handle_mm_fault+0x5be0/0x5be0 [ 707.151915] ? find_vma+0x34/0x190 [ 707.155463] __do_page_fault+0x5e8/0xe60 [ 707.159530] ? trace_hardirqs_off+0xb8/0x310 [ 707.163957] do_page_fault+0xf2/0x7e0 [ 707.167753] ? vmalloc_sync_all+0x30/0x30 [ 707.171898] ? error_entry+0x70/0xd0 [ 707.175621] ? trace_hardirqs_off_caller+0xbb/0x310 [ 707.180636] ? trace_hardirqs_on_caller+0xc0/0x310 [ 707.185565] ? syscall_return_slowpath+0x5e0/0x5e0 [ 707.190493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.195334] ? trace_hardirqs_on_caller+0x310/0x310 [ 707.200355] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 707.206338] ? prepare_exit_to_usermode+0x291/0x3b0 [ 707.211342] ? page_fault+0x8/0x30 [ 707.214886] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.219745] ? page_fault+0x8/0x30 [ 707.223293] page_fault+0x1e/0x30 [ 707.226741] RIP: 0033:0x4356de [ 707.229929] Code: Bad RIP value. [ 707.233285] RSP: 002b:000000c420037f38 EFLAGS: 00010293 [ 707.238648] RAX: 0000000000002710 RBX: 0000000000000001 RCX: 000000000000029f [ 707.245925] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 707.253201] RBP: 000000c420037fb0 R08: 000000c420037f18 R09: 0000000000000000 [ 707.261008] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000042e370 [ 707.268266] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 707.278628] Mem-Info: [ 707.281087] active_anon:5713 inactive_anon:194 isolated_anon:0 [ 707.281087] active_file:14 inactive_file:7 isolated_file:0 [ 707.281087] unevictable:0 dirty:0 writeback:0 unstable:0 [ 707.281087] slab_reclaimable:12633 slab_unreclaimable:1480754 [ 707.281087] mapped:2 shmem:245 pagetables:449 bounce:0 [ 707.281087] free:23530 free_pcp:152 free_cma:0 [ 707.321529] Node 0 active_anon:22852kB inactive_anon:776kB active_file:56kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 707.368039] 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 [ 707.420000] lowmem_reserve[]: 0 2818 6321 6321 [ 707.449141] Node 0 DMA32 free:43812kB min:30052kB low:37564kB high:45076kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 707.479007] lowmem_reserve[]: 0 0 3503 3503 [ 707.487914] Node 0 Normal free:34400kB min:37364kB low:46704kB high:56044kB active_anon:22804kB inactive_anon:776kB active_file:56kB inactive_file:28kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6976kB pagetables:1796kB bounce:0kB free_pcp:608kB local_pcp:344kB free_cma:0kB [ 707.530920] lowmem_reserve[]: 0 0 0 0 [ 707.537558] 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 [ 707.574927] Node 0 DMA32: 9*4kB (UME) 8*8kB (UME) 16*16kB (UME) 10*32kB (ME) 6*64kB (UME) 4*128kB (UM) 3*256kB (ME) 3*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (UM) = 43812kB [ 707.617960] Node 0 Normal: 1404*4kB (UME) 1018*8kB (UME) 338*16kB (UME) 127*32kB (UME) 75*64kB (UME) 30*128kB (UME) 10*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 34432kB [ 707.636693] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 707.700670] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 707.770285] 266 total pagecache pages [ 707.781212] 0 pages in swap cache [ 707.789225] Swap cache stats: add 0, delete 0, find 0/0 [ 707.820796] Free swap = 0kB [ 707.861570] Total swap = 0kB [ 707.899664] 1965979 pages RAM [ 707.910248] 0 pages HighMem/MovableOnly [ 707.917584] 342853 pages reserved [ 707.921061] 0 pages cma reserved [ 707.950965] Unreclaimable slab info: [ 708.011531] Name Used Total [ 708.030806] pid_2 68KB 156KB [ 708.036300] TIPC 10KB 28KB [ 708.041678] SCTPv6 14KB 24KB [ 708.062383] DCCPv6 17KB 21KB [ 708.067776] DCCP 16KB 20KB [ 708.098639] bridge_fdb_cache 11KB 27KB [ 708.126109] fib6_nodes 77KB 120KB [ 708.131512] ip6_dst_cache 144KB 247KB [ 708.161431] RAWv6 68KB 91KB [ 708.188128] UDPv6 3KB 3KB [ 708.193579] TCPv6 23KB 23KB [ 708.198955] nf_conntrack 0KB 3KB [ 708.211373] sd_ext_cdb 0KB 3KB [ 708.265475] scsi_sense_cache 1056KB 1060KB [ 708.270878] virtio_scsi_cmd 16KB 16KB [ 708.306944] sgpool-128 8KB 8KB [ 708.341312] sgpool-64 4KB 6KB [ 708.368561] sgpool-32 2KB 7KB [ 708.401192] sgpool-16 1KB 3KB [ 708.406653] sgpool-8 0KB 3KB [ 708.420284] mqueue_inode_cache 10KB 28KB [ 708.478031] bio_post_read_ctx 14KB 15KB [ 708.490334] bio-2 14KB 15KB [ 708.495870] jfs_mp 7KB 7KB [ 708.501262] nfs_commit_data 3KB 7KB [ 708.520100] nfs_write_data 32KB 32KB [ 708.567421] ext4_system_zone 0KB 3KB [ 708.591599] bio-1 1KB 3KB [ 708.624610] pid_namespace 2KB 11KB [ 708.630032] rpc_buffers 17KB 19KB [ 708.695675] rpc_tasks 2KB 3KB [ 708.701088] UNIX 14KB 25KB [ 708.730480] tcp_bind_bucket 1KB 4KB [ 708.765723] ip_fib_trie 11KB 19KB [ 708.771131] ip_fib_alias 52KB 83KB [ 708.827705] ip_dst_cache 1KB 8KB [ 708.836176] RAW 40KB 64KB [ 708.841558] UDP 16KB 39KB [ 708.901871] TCP 5KB 5KB [ 708.907280] hugetlbfs_inode_cache 2KB 7KB [ 708.920813] fscache_cookie_jar 1KB 7KB [ 708.928891] eventpoll_pwq 31KB 43KB [ 708.976862] eventpoll_epi 57KB 82KB [ 709.014652] inotify_inode_mark 57KB 82KB [ 709.020235] request_queue 164KB 164KB [ 709.049971] blkdev_ioc 19KB 38KB [ 709.077497] bio-0 4586KB 4590KB [ 709.082937] biovec-max 2260KB 2260KB [ 709.088311] biovec-64 5641KB 5654KB [ 709.118462] biovec-16 1231KB 1233KB [ 709.146043] bio_integrity_payload 1KB 3KB [ 709.165782] khugepaged_mm_slot 0KB 3KB [ 709.171270] dmaengine-unmap-256 2KB 6KB [ 709.209449] dmaengine-unmap-128 1KB 3KB [ 709.238626] dmaengine-unmap-16 0KB 4KB [ 709.261520] dmaengine-unmap-2 0KB 3KB [ 709.307077] skbuff_fclone_cache 3KB 11KB [ 709.363548] skbuff_head_cache 909KB 1893KB [ 709.368961] configfs_dir_cache 0KB 4KB [ 709.380915] file_lock_cache 0KB 3KB [ 709.420184] file_lock_ctx 0KB 3KB [ 709.451133] fsnotify_mark_connector 33KB 51KB [ 709.461656] net_namespace 51KB 51KB [ 709.470122] shmem_inode_cache 5540KB 5546KB [ 709.501509] task_delay_info 124KB 421KB [ 709.531067] proc_dir_entry 578KB 663KB [ 709.540114] pde_opener 0KB 3KB [ 709.599379] seq_file 252KB 334KB [ 709.629828] sigqueue 46KB 181KB [ 709.641719] kernfs_node_cache 11463KB 11466KB [ 709.653789] mnt_cache 80KB 104KB [ 709.659179] filp 4218KB 6423KB [ 709.698588] names_cache 112455KB 112455KB [ 709.735369] iint_cache 26KB 63KB [ 709.740774] hashtab_node 118KB 119KB [ 709.748796] ebitmap_node 1330KB 1555KB [ 709.779741] avtab_node 1012KB 1013KB [ 709.836999] avc_node 43KB 47KB [ 709.843898] selinux_file_security 294KB 561KB [ 709.849628] selinux_inode_security 3329KB 3652KB [ 709.921297] key_jar 3KB 7KB [ 709.948120] uts_namespace 2KB 11KB [ 709.969295] nsproxy 1KB 7KB [ 710.016971] vm_area_struct 8128KB 12084KB [ 710.046605] mm_struct 1391KB 2470KB [ 710.082490] fs_cache 111KB 400KB [ 710.087897] files_cache 420KB 791KB [ 710.100571] signal_cache 895KB 1667KB [ 710.106014] sighand_cache 474KB 506KB [ 710.111382] task_struct 3929KB 3929KB [ 710.183829] cred_jar 760KB 1980KB [ 710.189246] anon_vma_chain 4628KB 6217KB [ 710.201011] anon_vma 176KB 373KB [ 710.208932] pid 60KB 252KB [ 710.216981] Acpi-Operand 106KB 162KB [ 710.301300] Acpi-Namespace 19KB 23KB [ 710.326671] numa_policy 0KB 3KB [ 710.361013] debug_objects_cache 833KB 1106KB [ 710.394972] trace_event_file 260KB 262KB [ 710.400373] ftrace_event_field 376KB 381KB [ 710.445275] pool_workqueue 87KB 104KB [ 710.450676] task_group 5KB 7KB [ 710.481270] page->ptl 1371KB 2846KB [ 710.486742] kmalloc-4M 5500928KB 5500928KB [ 710.518773] kmalloc-2M 2050KB 2050KB [ 710.541742] kmalloc-512k 2056KB 2056KB [ 710.579198] kmalloc-256k 1290KB 1290KB [ 710.605051] kmalloc-128k 650KB 650KB [ 710.610456] kmalloc-64k 330KB 330KB [ 710.638905] kmalloc-32k 10428KB 10428KB [ 710.686005] kmalloc-16k 973KB 1006KB [ 710.691406] kmalloc-8k 1798KB 1798KB [ 710.709040] kmalloc-4k 15657KB 15657KB [ 710.764125] kmalloc-2k 7057KB 8446KB [ 710.769535] kmalloc-1k 4324KB 5811KB [ 710.807591] kmalloc-512 3577KB 5478KB [ 710.821102] kmalloc-256 2874KB 3641KB [ 710.879720] kmalloc-128 905KB 1090KB [ 710.907236] kmalloc-96 1721KB 2380KB [ 710.915266] kmalloc-64 3328KB 3740KB [ 710.920659] kmalloc-32 2897KB 3106KB [ 710.949573] kmalloc-192 665KB 972KB [ 710.988775] kmem_cache 221KB 225KB [ 711.040714] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 711.051539] Killed process 13713 (syz-executor4) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 711.107826] rsyslogd invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 711.173759] rsyslogd cpuset=/ mems_allowed=0 [ 711.178233] CPU: 0 PID: 5984 Comm: rsyslogd Not tainted 4.20.0-rc6+ #151 [ 711.185061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 711.194397] Call Trace: [ 711.197049] dump_stack+0x244/0x39d [ 711.200666] ? dump_stack_print_info.cold.1+0x20/0x20 [ 711.206128] ? mark_held_locks+0x130/0x130 [ 711.210349] ? mark_held_locks+0x130/0x130 [ 711.214574] dump_header+0x27b/0xf72 [ 711.218279] ? pagefault_out_of_memory+0x197/0x197 [ 711.223249] ? mark_held_locks+0x130/0x130 [ 711.227469] ? __lock_acquire+0x62f/0x4c20 [ 711.231687] ? percpu_ref_get_many+0x240/0x240 [ 711.236252] ? print_usage_bug+0xc0/0xc0 [ 711.240302] ? zap_class+0x640/0x640 [ 711.244005] ? print_usage_bug+0xc0/0xc0 [ 711.248051] ? print_usage_bug+0xc0/0xc0 [ 711.252099] ? zap_class+0x640/0x640 [ 711.255806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.261330] ? find_held_lock+0x36/0x1c0 [ 711.265379] ? mark_held_locks+0xc7/0x130 [ 711.269514] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 711.274598] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 711.279694] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 711.284260] ? trace_hardirqs_on+0xbd/0x310 [ 711.288565] ? kasan_check_read+0x11/0x20 [ 711.292734] ? ___ratelimit+0x3b4/0x672 [ 711.296693] ? trace_hardirqs_off_caller+0x310/0x310 [ 711.301800] ? trace_hardirqs_on+0x310/0x310 [ 711.306204] ? lock_downgrade+0x900/0x900 [ 711.310335] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 711.315421] ? ___ratelimit+0x3b9/0x672 [ 711.319382] ? idr_get_free+0xf70/0xf70 [ 711.323342] ? kasan_check_read+0x11/0x20 [ 711.327474] ? do_raw_spin_unlock+0xa7/0x330 [ 711.331876] oom_kill_process.cold.27+0x10/0x903 [ 711.336615] ? zap_class+0x640/0x640 [ 711.340312] ? _raw_spin_unlock+0x2c/0x50 [ 711.344446] ? oom_badness+0xe6/0xaa0 [ 711.348251] ? oom_evaluate_task+0x540/0x540 [ 711.352653] ? find_held_lock+0x36/0x1c0 [ 711.356702] ? out_of_memory+0x974/0x1430 [ 711.360834] ? lock_downgrade+0x900/0x900 [ 711.364969] ? check_preemption_disabled+0x48/0x280 [ 711.369971] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 711.374884] ? kasan_check_read+0x11/0x20 [ 711.379015] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 711.384279] ? rcu_softirq_qs+0x20/0x20 [ 711.388245] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 711.393259] ? oom_evaluate_task+0x302/0x540 [ 711.397664] out_of_memory+0xa84/0x1430 [ 711.401625] ? oom_killer_disable+0x3a0/0x3a0 [ 711.406106] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 711.411031] ? __ww_mutex_check_waiters+0x160/0x160 [ 711.416042] __alloc_pages_slowpath+0x232c/0x2de0 [ 711.420883] ? warn_alloc+0x120/0x120 [ 711.424684] ? mark_held_locks+0x130/0x130 [ 711.428908] ? find_get_entry+0xaae/0x1120 [ 711.433134] ? filemap_map_pages+0x1a20/0x1a20 [ 711.437699] ? zap_class+0x640/0x640 [ 711.441399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.447108] ? check_preemption_disabled+0x48/0x280 [ 711.452108] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.457630] ? should_fail+0x22d/0xd01 [ 711.461503] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 711.466596] ? zap_class+0x640/0x640 [ 711.470311] ? __lock_is_held+0xb5/0x140 [ 711.474381] ? mark_held_locks+0x130/0x130 [ 711.478602] ? lock_release+0xa00/0xa00 [ 711.482561] ? perf_trace_sched_process_exec+0x860/0x860 [ 711.487998] ? xa_load+0x2ba/0x460 [ 711.491530] ? lock_downgrade+0x900/0x900 [ 711.495666] ? __might_sleep+0x95/0x190 [ 711.499625] __alloc_pages_nodemask+0xad8/0xea0 [ 711.504284] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 711.509302] ? __page_cache_alloc+0x191/0x5c0 [ 711.513783] ? xa_load+0x2e1/0x460 [ 711.517310] ? xa_clear_mark+0x40/0x40 [ 711.521180] ? up_read_non_owner+0x100/0x100 [ 711.525574] ? zap_class+0x640/0x640 [ 711.529275] ? zap_class+0x640/0x640 [ 711.532981] ? zap_class+0x640/0x640 [ 711.536678] ? __do_page_cache_readahead+0x663/0x810 [ 711.541773] ? find_held_lock+0x36/0x1c0 [ 711.545830] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 711.551357] alloc_pages_current+0x173/0x350 [ 711.555764] __page_cache_alloc+0x38c/0x5c0 [ 711.560071] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 711.564985] ? kasan_check_read+0x11/0x20 [ 711.569122] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 711.574384] ? generic_perform_write+0x6a0/0x6a0 [ 711.579126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.584650] ? check_preemption_disabled+0x48/0x280 [ 711.589653] filemap_fault+0x1595/0x25f0 [ 711.593731] ? __lock_page_or_retry+0xa00/0xa00 [ 711.598393] ? mark_held_locks+0x130/0x130 [ 711.602619] ? filemap_map_pages+0xd6b/0x1a20 [ 711.607100] ? lock_downgrade+0x900/0x900 [ 711.611235] ? check_preemption_disabled+0x48/0x280 [ 711.616236] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 711.621173] ? kasan_check_read+0x11/0x20 [ 711.625308] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 711.630570] ? rcu_softirq_qs+0x20/0x20 [ 711.634535] ? filemap_map_pages+0xd92/0x1a20 [ 711.639024] ? find_get_entries_tag+0x1400/0x1400 [ 711.643862] ? lock_acquire+0x1ed/0x520 [ 711.647822] ? ext4_filemap_fault+0x7a/0xad [ 711.652130] ? lock_release+0xa00/0xa00 [ 711.656104] ? perf_trace_sched_process_exec+0x860/0x860 [ 711.661565] ? print_usage_bug+0xc0/0xc0 [ 711.665631] ? print_usage_bug+0xc0/0xc0 [ 711.669675] ? __x64_sys_read+0x73/0xb0 [ 711.673652] ? print_usage_bug+0xc0/0xc0 [ 711.677720] ? down_read+0x8d/0x120 [ 711.681333] ? ext4_filemap_fault+0x7a/0xad [ 711.685644] ? __down_interruptible+0x700/0x700 [ 711.690407] ext4_filemap_fault+0x82/0xad [ 711.694545] __do_fault+0x100/0x6b0 [ 711.698160] ? pmd_devmap_trans_unstable+0x220/0x220 [ 711.703253] ? mark_held_locks+0x130/0x130 [ 711.707474] ? mark_held_locks+0x130/0x130 [ 711.711691] ? do_raw_spin_trylock+0x270/0x270 [ 711.716266] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.721805] __handle_mm_fault+0x3ea6/0x5be0 [ 711.726213] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 711.731058] ? find_held_lock+0x36/0x1c0 [ 711.735117] ? zap_class+0x640/0x640 [ 711.738823] ? zap_class+0x640/0x640 [ 711.742529] ? find_held_lock+0x36/0x1c0 [ 711.746585] ? handle_mm_fault+0x42a/0xc70 [ 711.750811] ? lock_downgrade+0x900/0x900 [ 711.754944] ? check_preemption_disabled+0x48/0x280 [ 711.759962] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 711.764877] ? kasan_check_read+0x11/0x20 [ 711.769015] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 711.774277] ? rcu_softirq_qs+0x20/0x20 [ 711.778240] ? trace_hardirqs_off_caller+0x310/0x310 [ 711.783333] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.788856] ? check_preemption_disabled+0x48/0x280 [ 711.793861] handle_mm_fault+0x54f/0xc70 [ 711.797910] ? __handle_mm_fault+0x5be0/0x5be0 [ 711.802495] ? find_vma+0x34/0x190 [ 711.806023] __do_page_fault+0x5e8/0xe60 [ 711.810069] ? trace_hardirqs_off+0xb8/0x310 [ 711.814478] do_page_fault+0xf2/0x7e0 [ 711.818262] ? vmalloc_sync_all+0x30/0x30 [ 711.822397] ? error_entry+0x70/0xd0 [ 711.826097] ? trace_hardirqs_off_caller+0xbb/0x310 [ 711.831096] ? trace_hardirqs_on_caller+0xc0/0x310 [ 711.836014] ? syscall_return_slowpath+0x5e0/0x5e0 [ 711.840927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.845757] ? trace_hardirqs_on_caller+0x310/0x310 [ 711.850769] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 711.856204] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.861734] ? prepare_exit_to_usermode+0x291/0x3b0 [ 711.866744] ? page_fault+0x8/0x30 [ 711.870292] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.875128] ? page_fault+0x8/0x30 [ 711.878681] page_fault+0x1e/0x30 [ 711.882120] RIP: 0033:0x7f9d7d6e39d0 [ 711.885827] Code: Bad RIP value. [ 711.889177] RSP: 002b:00007f9d7b3afd68 EFLAGS: 00010202 [ 711.894536] RAX: 0000000000000000 RBX: 00007f9d7b3afd88 RCX: 0000000000000004 [ 711.901797] RDX: 0000000000000000 RSI: 00007f9d7c9e250c RDI: 0000000000000210 [ 711.909057] RBP: 0000000000000004 R08: 000000000000003e R09: 00007f9d7d7a4100 [ 711.916319] R10: 6b205d3739373733 R11: 0000000000000000 R12: 0000000000000000 [ 711.923573] R13: 00007f9d7cbe55a3 R14: 000000000000003c R15: 00007f9d7cbe463b [ 711.935159] Mem-Info: [ 711.937625] active_anon:5701 inactive_anon:194 isolated_anon:0 [ 711.937625] active_file:10 inactive_file:11 isolated_file:0 [ 711.937625] unevictable:0 dirty:0 writeback:0 unstable:0 [ 711.937625] slab_reclaimable:12632 slab_unreclaimable:1480740 [ 711.937625] mapped:2 shmem:245 pagetables:444 bounce:0 [ 711.937625] free:23546 free_pcp:173 free_cma:0 [ 711.975175] Node 0 active_anon:22804kB inactive_anon:776kB active_file:40kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 712.007081] 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 [ 712.037855] lowmem_reserve[]: 0 2818 6321 6321 [ 712.042724] Node 0 DMA32 free:43812kB min:30052kB low:37564kB high:45076kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 712.087647] lowmem_reserve[]: 0 0 3503 3503 [ 712.108105] Node 0 Normal free:34464kB min:37364kB low:46704kB high:56044kB active_anon:22756kB inactive_anon:776kB active_file:40kB inactive_file:44kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6944kB pagetables:1776kB bounce:0kB free_pcp:692kB local_pcp:344kB free_cma:0kB [ 712.140020] lowmem_reserve[]: 0 0 0 0 [ 712.157949] 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 [ 712.183675] Node 0 DMA32: 9*4kB (UME) 8*8kB (UME) 16*16kB (UME) 10*32kB (ME) 6*64kB (UME) 4*128kB (UM) 3*256kB (ME) 3*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (UM) = 43812kB [ 712.243175] Node 0 Normal: 1404*4kB (UME) 1018*8kB (UME) 338*16kB (UME) 128*32kB (UME) 75*64kB (UME) 30*128kB (UME) 10*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 34464kB [ 712.275489] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 712.337997] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 712.368087] 266 total pagecache pages [ 712.379695] 0 pages in swap cache [ 712.411274] Swap cache stats: add 0, delete 0, find 0/0 [ 712.438617] Free swap = 0kB [ 712.441687] Total swap = 0kB [ 712.449497] 1965979 pages RAM [ 712.456681] 0 pages HighMem/MovableOnly [ 712.460668] 342853 pages reserved [ 712.512695] 0 pages cma reserved [ 712.516104] Unreclaimable slab info: [ 712.519818] Name Used Total [ 712.549585] pid_2 68KB 156KB [ 712.560469] TIPC 10KB 28KB [ 712.644726] SCTPv6 14KB 24KB [ 712.650139] DCCPv6 17KB 21KB [ 712.715528] DCCP 16KB 20KB [ 712.720954] bridge_fdb_cache 11KB 27KB [ 712.759878] fib6_nodes 77KB 120KB [ 712.770025] ip6_dst_cache 157KB 247KB [ 712.842365] RAWv6 68KB 91KB [ 712.847787] UDPv6 3KB 3KB [ 712.867432] TCPv6 23KB 23KB [ 712.877834] nf_conntrack 0KB 3KB [ 712.917754] sd_ext_cdb 0KB 3KB [ 712.950495] scsi_sense_cache 1056KB 1060KB [ 713.008129] virtio_scsi_cmd 16KB 16KB [ 713.065823] sgpool-128 8KB 8KB [ 713.071235] sgpool-64 4KB 6KB [ 713.088736] sgpool-32 2KB 7KB [ 713.139510] sgpool-16 1KB 3KB [ 713.167128] sgpool-8 0KB 3KB [ 713.200939] mqueue_inode_cache 10KB 28KB [ 713.207007] bio_post_read_ctx 14KB 15KB [ 713.245772] bio-2 14KB 15KB [ 713.251179] jfs_mp 7KB 7KB [ 713.278488] nfs_commit_data 3KB 7KB [ 713.288793] nfs_write_data 32KB 32KB [ 713.330677] ext4_system_zone 0KB 3KB [ 713.365944] bio-1 1KB 3KB [ 713.371468] pid_namespace 2KB 11KB [ 713.397385] rpc_buffers 17KB 19KB [ 713.421614] rpc_tasks 2KB 3KB [ 713.486715] UNIX 14KB 25KB [ 713.506764] tcp_bind_bucket 1KB 4KB [ 713.548075] ip_fib_trie 11KB 19KB [ 713.568689] ip_fib_alias 52KB 83KB [ 713.577487] ip_dst_cache 1KB 8KB [ 713.585682] RAW 40KB 64KB [ 713.591069] UDP 16KB 39KB [ 713.620714] TCP 5KB 5KB [ 713.649905] hugetlbfs_inode_cache 2KB 7KB [ 713.670395] fscache_cookie_jar 1KB 7KB [ 713.728318] eventpoll_pwq 31KB 43KB [ 713.737529] eventpoll_epi 57KB 82KB [ 713.761666] inotify_inode_mark 57KB 82KB [ 713.818023] request_queue 164KB 164KB [ 713.832986] blkdev_ioc 19KB 38KB [ 713.838468] bio-0 4586KB 4590KB [ 713.847200] biovec-max 2260KB 2260KB [ 713.880475] biovec-64 5641KB 5654KB [ 713.907543] biovec-16 1231KB 1233KB [ 713.927790] bio_integrity_payload 1KB 3KB [ 713.936631] khugepaged_mm_slot 0KB 3KB [ 713.942170] dmaengine-unmap-256 2KB 6KB [ 713.947717] dmaengine-unmap-128 1KB 3KB [ 714.011643] dmaengine-unmap-16 0KB 4KB [ 714.028536] dmaengine-unmap-2 0KB 3KB [ 714.038917] skbuff_fclone_cache 3KB 11KB [ 714.050060] skbuff_head_cache 926KB 1893KB [ 714.118578] configfs_dir_cache 0KB 4KB [ 714.131576] file_lock_cache 0KB 3KB [ 714.139805] file_lock_ctx 0KB 3KB [ 714.147856] fsnotify_mark_connector 33KB 51KB [ 714.171580] net_namespace 51KB 51KB [ 714.219548] shmem_inode_cache 5540KB 5546KB [ 714.255491] task_delay_info 124KB 421KB [ 714.260914] proc_dir_entry 578KB 663KB [ 714.285437] pde_opener 0KB 3KB [ 714.290845] seq_file 252KB 334KB [ 714.299063] sigqueue 46KB 181KB [ 714.339101] kernfs_node_cache 11463KB 11466KB [ 714.401850] mnt_cache 80KB 104KB [ 714.407259] filp 4215KB 6423KB [ 714.428490] names_cache 112455KB 112455KB [ 714.434007] iint_cache 26KB 63KB [ 714.439372] hashtab_node 118KB 119KB [ 714.489838] ebitmap_node 1329KB 1555KB [ 714.506436] avtab_node 1012KB 1013KB [ 714.512007] avc_node 43KB 47KB [ 714.517373] selinux_file_security 294KB 561KB [ 714.523113] selinux_inode_security 3329KB 3652KB [ 714.528900] key_jar 3KB 7KB [ 714.534278] uts_namespace 2KB 11KB [ 714.539625] nsproxy 1KB 7KB [ 714.545004] vm_area_struct 8125KB 12084KB [ 714.550365] mm_struct 1387KB 2470KB [ 714.555738] fs_cache 111KB 400KB [ 714.561090] files_cache 419KB 791KB [ 714.566468] signal_cache 894KB 1667KB [ 714.571861] sighand_cache 474KB 506KB [ 714.577218] task_struct 3929KB 3929KB [ 714.582690] cred_jar 758KB 1980KB [ 714.588036] anon_vma_chain 4628KB 6217KB [ 714.593407] anon_vma 176KB 373KB [ 714.598767] pid 60KB 252KB [ 714.604159] Acpi-Operand 106KB 162KB [ 714.609520] Acpi-Namespace 19KB 23KB [ 714.617788] numa_policy 0KB 3KB [ 714.624172] debug_objects_cache 833KB 1106KB [ 714.629768] trace_event_file 260KB 262KB [ 714.717996] ftrace_event_field 376KB 381KB [ 714.731407] pool_workqueue 87KB 104KB [ 714.739581] task_group 5KB 7KB [ 714.810708] page->ptl 1371KB 2846KB [ 714.873870] kmalloc-4M 5500928KB 5500928KB [ 714.879394] kmalloc-2M 2050KB 2050KB [ 714.900840] kmalloc-512k 2056KB 2056KB [ 714.911114] kmalloc-256k 1290KB 1290KB [ 714.939136] kmalloc-128k 650KB 650KB [ 714.969100] kmalloc-64k 330KB 330KB [ 714.997870] kmalloc-32k 10428KB 10428KB [ 715.021689] kmalloc-16k 973KB 973KB [ 715.090198] kmalloc-8k 1798KB 1798KB [ 715.112335] kmalloc-4k 15657KB 15657KB [ 715.117763] kmalloc-2k 7052KB 8434KB [ 715.160856] kmalloc-1k 4351KB 5811KB [ 715.178401] kmalloc-512 3611KB 5478KB [ 715.191006] kmalloc-256 2874KB 3641KB [ 715.250967] kmalloc-128 905KB 1090KB [ 715.272019] kmalloc-96 1729KB 2380KB [ 715.277403] kmalloc-64 3336KB 3740KB [ 715.312377] kmalloc-32 2897KB 3106KB [ 715.317772] kmalloc-192 665KB 972KB [ 715.376246] kmem_cache 221KB 225KB [ 715.381659] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 715.396722] Killed process 12531 (syz-executor1) total-vm:37444kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 715.409490] udevd invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 715.480626] udevd cpuset=/ mems_allowed=0 [ 715.491078] CPU: 0 PID: 7775 Comm: udevd Not tainted 4.20.0-rc6+ #151 [ 715.497684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 715.507042] Call Trace: [ 715.509641] dump_stack+0x244/0x39d [ 715.513281] ? dump_stack_print_info.cold.1+0x20/0x20 [ 715.518485] ? mark_held_locks+0x130/0x130 [ 715.522726] ? mark_held_locks+0x130/0x130 [ 715.526972] dump_header+0x27b/0xf72 [ 715.530727] ? pagefault_out_of_memory+0x197/0x197 [ 715.535677] ? mark_held_locks+0x130/0x130 [ 715.539925] ? __lock_acquire+0x62f/0x4c20 [ 715.544168] ? percpu_ref_get_many+0x240/0x240 [ 715.548762] ? print_usage_bug+0xc0/0xc0 [ 715.552822] ? zap_class+0x640/0x640 [ 715.556527] ? print_usage_bug+0xc0/0xc0 [ 715.560576] ? print_usage_bug+0xc0/0xc0 [ 715.564642] ? zap_class+0x640/0x640 [ 715.568370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.573921] ? find_held_lock+0x36/0x1c0 [ 715.577998] ? mark_held_locks+0xc7/0x130 [ 715.582153] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 715.587258] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 715.592367] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 715.596963] ? trace_hardirqs_on+0xbd/0x310 [ 715.601282] ? kasan_check_read+0x11/0x20 [ 715.605441] ? ___ratelimit+0x3b4/0x672 [ 715.609590] ? trace_hardirqs_off_caller+0x310/0x310 [ 715.614695] ? trace_hardirqs_on+0x310/0x310 [ 715.619109] ? lock_downgrade+0x900/0x900 [ 715.623267] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 715.628379] ? ___ratelimit+0x3b9/0x672 [ 715.632380] ? idr_get_free+0xf70/0xf70 [ 715.636369] ? kasan_check_read+0x11/0x20 [ 715.640521] ? do_raw_spin_unlock+0xa7/0x330 [ 715.644948] oom_kill_process.cold.27+0x10/0x903 [ 715.649707] ? zap_class+0x640/0x640 [ 715.653425] ? _raw_spin_unlock+0x2c/0x50 [ 715.657583] ? oom_badness+0xe6/0xaa0 [ 715.661394] ? oom_evaluate_task+0x540/0x540 [ 715.665820] ? find_held_lock+0x36/0x1c0 [ 715.669901] ? out_of_memory+0x974/0x1430 [ 715.674061] ? lock_downgrade+0x900/0x900 [ 715.678221] ? check_preemption_disabled+0x48/0x280 [ 715.683249] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 715.688179] ? kasan_check_read+0x11/0x20 [ 715.692336] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 715.697619] ? rcu_softirq_qs+0x20/0x20 [ 715.701608] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 715.706660] ? oom_evaluate_task+0x302/0x540 [ 715.711087] out_of_memory+0xa84/0x1430 [ 715.715070] ? oom_killer_disable+0x3a0/0x3a0 [ 715.719555] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 715.724486] ? __ww_mutex_check_waiters+0x160/0x160 [ 715.729518] __alloc_pages_slowpath+0x232c/0x2de0 [ 715.734407] ? warn_alloc+0x120/0x120 [ 715.738215] ? mark_held_locks+0x130/0x130 [ 715.742461] ? find_get_entry+0xaae/0x1120 [ 715.746718] ? filemap_map_pages+0x1a20/0x1a20 [ 715.751312] ? zap_class+0x640/0x640 [ 715.755041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 715.760584] ? check_preemption_disabled+0x48/0x280 [ 715.765608] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.771148] ? should_fail+0x22d/0xd01 [ 715.775047] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 715.780160] ? zap_class+0x640/0x640 [ 715.783902] ? __lock_is_held+0xb5/0x140 [ 715.787966] ? mark_held_locks+0x130/0x130 [ 715.792200] ? lock_release+0xa00/0xa00 [ 715.796177] ? perf_trace_sched_process_exec+0x860/0x860 [ 715.801634] ? xa_load+0x2ba/0x460 [ 715.805188] ? lock_downgrade+0x900/0x900 [ 715.809345] ? __might_sleep+0x95/0x190 [ 715.813332] __alloc_pages_nodemask+0xad8/0xea0 [ 715.818013] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 715.823127] ? __page_cache_alloc+0x191/0x5c0 [ 715.827625] ? xa_load+0x2e1/0x460 [ 715.831175] ? xa_clear_mark+0x40/0x40 [ 715.835072] ? zap_class+0x640/0x640 [ 715.838798] ? zap_class+0x640/0x640 [ 715.842517] ? zap_class+0x640/0x640 [ 715.846237] ? __do_page_cache_readahead+0x663/0x810 [ 715.851354] ? find_held_lock+0x36/0x1c0 [ 715.855438] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 715.860988] alloc_pages_current+0x173/0x350 [ 715.865417] __page_cache_alloc+0x38c/0x5c0 [ 715.869734] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 715.874665] ? kasan_check_read+0x11/0x20 [ 715.878818] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 715.884108] ? generic_perform_write+0x6a0/0x6a0 [ 715.888870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.894427] ? check_preemption_disabled+0x48/0x280 [ 715.899466] filemap_fault+0x1595/0x25f0 [ 715.903546] ? __lock_page_or_retry+0xa00/0xa00 [ 715.908226] ? mark_held_locks+0x130/0x130 [ 715.912481] ? filemap_map_pages+0xd6b/0x1a20 [ 715.916990] ? lock_downgrade+0x900/0x900 [ 715.921149] ? check_preemption_disabled+0x48/0x280 [ 715.926269] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 715.931196] ? kasan_check_read+0x11/0x20 [ 715.935338] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 715.940610] ? rcu_softirq_qs+0x20/0x20 [ 715.944597] ? filemap_map_pages+0xd92/0x1a20 [ 715.949115] ? find_get_entries_tag+0x1400/0x1400 [ 715.954052] ? ep_scan_ready_list+0xbc7/0x1050 [ 715.958647] ? trace_hardirqs_off_caller+0x310/0x310 [ 715.963765] ? zap_class+0x640/0x640 [ 715.967587] ? lock_acquire+0x1ed/0x520 [ 715.971563] ? ext4_filemap_fault+0x7a/0xad [ 715.975899] ? lock_release+0xa00/0xa00 [ 715.979877] ? perf_trace_sched_process_exec+0x860/0x860 [ 715.985341] ? print_usage_bug+0xc0/0xc0 [ 715.989414] ? print_usage_bug+0xc0/0xc0 [ 715.993496] ? down_read+0x8d/0x120 [ 715.997130] ? ext4_filemap_fault+0x7a/0xad [ 716.001466] ? __down_interruptible+0x700/0x700 [ 716.006143] ext4_filemap_fault+0x82/0xad [ 716.010282] __do_fault+0x100/0x6b0 [ 716.013915] ? pmd_devmap_trans_unstable+0x220/0x220 [ 716.019030] ? mark_held_locks+0x130/0x130 [ 716.023273] ? mark_held_locks+0x130/0x130 [ 716.027518] ? kasan_check_read+0x11/0x20 [ 716.031675] ? ep_poll+0xffa/0x13d0 [ 716.035308] ? trace_hardirqs_off_caller+0x310/0x310 [ 716.040434] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.045985] __handle_mm_fault+0x3ea6/0x5be0 [ 716.050407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 716.055965] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 716.060822] ? do_epoll_create+0x590/0x590 [ 716.065081] ? zap_class+0x640/0x640 [ 716.068801] ? zap_class+0x640/0x640 [ 716.072602] ? security_socket_sendmsg+0x94/0xc0 [ 716.077383] ? find_held_lock+0x36/0x1c0 [ 716.081476] ? handle_mm_fault+0x42a/0xc70 [ 716.085732] ? lock_downgrade+0x900/0x900 [ 716.089889] ? check_preemption_disabled+0x48/0x280 [ 716.095187] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 716.100124] ? kasan_check_read+0x11/0x20 [ 716.104328] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 716.109610] ? rcu_softirq_qs+0x20/0x20 [ 716.113594] ? trace_hardirqs_off_caller+0x310/0x310 [ 716.118703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.124247] ? check_preemption_disabled+0x48/0x280 [ 716.129279] handle_mm_fault+0x54f/0xc70 [ 716.133352] ? __handle_mm_fault+0x5be0/0x5be0 [ 716.137952] ? find_vma+0x34/0x190 [ 716.141508] __do_page_fault+0x5e8/0xe60 [ 716.145574] ? trace_hardirqs_off+0xb8/0x310 [ 716.149996] do_page_fault+0xf2/0x7e0 [ 716.153803] ? vmalloc_sync_all+0x30/0x30 [ 716.157959] ? error_entry+0x70/0xd0 [ 716.161681] ? trace_hardirqs_off_caller+0xbb/0x310 [ 716.166701] ? trace_hardirqs_on_caller+0xc0/0x310 [ 716.171641] ? syscall_return_slowpath+0x5e0/0x5e0 [ 716.176583] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.181429] ? trace_hardirqs_on_caller+0x310/0x310 [ 716.186437] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 716.191891] ? prepare_exit_to_usermode+0x291/0x3b0 [ 716.196914] ? page_fault+0x8/0x30 [ 716.200466] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.205315] ? page_fault+0x8/0x30 [ 716.208861] page_fault+0x1e/0x30 [ 716.212406] RIP: 0033:0x7f2d8253d943 [ 716.216136] Code: Bad RIP value. [ 716.219504] RSP: 002b:00007ffe861b30f8 EFLAGS: 00010246 [ 716.224869] RAX: 0000000000000001 RBX: 000000000079ce80 RCX: 00007f2d8253d943 [ 716.232141] RDX: 0000000000000004 RSI: 00007ffe861b3150 RDI: 0000000000000004 [ 716.239502] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 716.246777] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 716.254048] R13: 0000000000757da0 R14: 000000000074d030 R15: 000000000000000b [ 716.267094] Mem-Info: [ 716.269567] active_anon:5701 inactive_anon:194 isolated_anon:0 [ 716.269567] active_file:27 inactive_file:0 isolated_file:0 [ 716.269567] unevictable:0 dirty:0 writeback:0 unstable:0 [ 716.269567] slab_reclaimable:12632 slab_unreclaimable:1480718 [ 716.269567] mapped:2 shmem:245 pagetables:444 bounce:0 [ 716.269567] free:23741 free_pcp:21 free_cma:0 [ 716.304371] Node 0 active_anon:22756kB inactive_anon:776kB active_file:52kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 716.408698] 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 [ 716.440318] lowmem_reserve[]: 0 2818 6321 6321 [ 716.444970] Node 0 DMA32 free:43812kB min:30052kB low:37564kB high:45076kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 716.515522] lowmem_reserve[]: 0 0 3503 3503 [ 716.519897] Node 0 Normal free:35276kB min:37364kB low:46704kB high:56044kB active_anon:22708kB inactive_anon:776kB active_file:52kB inactive_file:32kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6912kB pagetables:1756kB bounce:0kB free_pcp:84kB local_pcp:84kB free_cma:0kB [ 716.558930] lowmem_reserve[]: 0 0 0 0 [ 716.566039] 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 [ 716.640307] Node 0 DMA32: 9*4kB (UME) 8*8kB (UME) 16*16kB (UME) 10*32kB (ME) 6*64kB (UME) 4*128kB (UM) 3*256kB (ME) 3*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (UM) = 43812kB [ 716.669879] Node 0 Normal: 1491*4kB (UME) 1040*8kB (UME) 345*16kB (UME) 132*32kB (UME) 76*64kB (UME) 30*128kB (UME) 10*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 35292kB [ 716.729970] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 716.798030] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 716.810112] 266 total pagecache pages [ 716.873759] 0 pages in swap cache [ 716.877251] Swap cache stats: add 0, delete 0, find 0/0 [ 716.894192] Free swap = 0kB [ 716.897231] Total swap = 0kB [ 716.900241] 1965979 pages RAM [ 716.960848] 0 pages HighMem/MovableOnly [ 716.977189] 342853 pages reserved [ 716.980670] 0 pages cma reserved [ 716.986674] Unreclaimable slab info: [ 716.990399] Name Used Total [ 717.065475] pid_2 68KB 156KB [ 717.070921] TIPC 10KB 28KB [ 717.088543] SCTPv6 14KB 24KB [ 717.093975] DCCPv6 17KB 21KB [ 717.099342] DCCP 16KB 20KB [ 717.129446] bridge_fdb_cache 11KB 27KB [ 717.153484] fib6_nodes 77KB 120KB [ 717.158883] ip6_dst_cache 157KB 247KB [ 717.193123] RAWv6 68KB 91KB [ 717.198508] UDPv6 3KB 3KB [ 717.261071] TCPv6 23KB 23KB [ 717.288712] nf_conntrack 0KB 3KB [ 717.340059] sd_ext_cdb 0KB 3KB [ 717.367730] scsi_sense_cache 1056KB 1060KB [ 717.381645] virtio_scsi_cmd 16KB 16KB [ 717.409183] sgpool-128 8KB 8KB [ 717.450252] sgpool-64 4KB 6KB [ 717.475747] sgpool-32 2KB 7KB [ 717.481152] sgpool-16 1KB 3KB [ 717.509172] sgpool-8 0KB 3KB [ 717.546430] mqueue_inode_cache 10KB 28KB [ 717.580379] bio_post_read_ctx 14KB 15KB [ 717.629760] bio-2 14KB 15KB [ 717.673627] jfs_mp 7KB 7KB [ 717.679048] nfs_commit_data 3KB 7KB [ 717.718740] nfs_write_data 32KB 32KB [ 717.770054] ext4_system_zone 0KB 3KB [ 717.810635] bio-1 1KB 3KB [ 717.818722] pid_namespace 2KB 11KB [ 717.827403] rpc_buffers 17KB 19KB [ 717.911076] rpc_tasks 2KB 3KB [ 717.935084] UNIX 14KB 25KB [ 717.940495] tcp_bind_bucket 1KB 4KB [ 717.948872] ip_fib_trie 11KB 19KB [ 718.033847] ip_fib_alias 52KB 83KB [ 718.039260] ip_dst_cache 1KB 8KB [ 718.070954] RAW 40KB 64KB [ 718.076420] UDP 16KB 39KB [ 718.097776] TCP 5KB 5KB [ 718.127403] hugetlbfs_inode_cache 2KB 7KB [ 718.156959] fscache_cookie_jar 1KB 7KB [ 718.181578] eventpoll_pwq 31KB 43KB [ 718.187006] eventpoll_epi 57KB 82KB [ 718.219416] inotify_inode_mark 57KB 82KB [ 718.244127] request_queue 164KB 164KB [ 718.249609] blkdev_ioc 19KB 38KB [ 718.259010] bio-0 4586KB 4590KB [ 718.285796] biovec-max 2260KB 2260KB [ 718.291181] biovec-64 5641KB 5654KB [ 718.320101] biovec-16 1231KB 1233KB [ 718.348805] bio_integrity_payload 1KB 3KB [ 718.388850] khugepaged_mm_slot 0KB 3KB [ 718.439362] dmaengine-unmap-256 2KB 6KB [ 718.503137] dmaengine-unmap-128 1KB 3KB [ 718.508723] dmaengine-unmap-16 0KB 4KB [ 718.556061] dmaengine-unmap-2 0KB 3KB [ 718.561468] skbuff_fclone_cache 3KB 11KB [ 718.589980] skbuff_head_cache 926KB 1893KB [ 718.595409] configfs_dir_cache 0KB 4KB [ 718.600863] file_lock_cache 0KB 3KB [ 718.631363] file_lock_ctx 0KB 3KB [ 718.638232] fsnotify_mark_connector 33KB 51KB [ 718.703644] net_namespace 51KB 51KB [ 718.709052] shmem_inode_cache 5540KB 5546KB [ 718.722127] task_delay_info 124KB 421KB [ 718.727520] proc_dir_entry 578KB 663KB [ 718.797585] pde_opener 0KB 3KB [ 718.808698] seq_file 252KB 334KB [ 718.814122] sigqueue 46KB 181KB [ 718.819488] kernfs_node_cache 11463KB 11466KB [ 718.865524] mnt_cache 80KB 104KB [ 718.870926] filp 4211KB 6423KB [ 718.903264] names_cache 112455KB 112455KB [ 718.908748] iint_cache 26KB 63KB [ 718.921657] hashtab_node 118KB 119KB [ 718.929667] ebitmap_node 1329KB 1555KB [ 718.950365] avtab_node 1012KB 1013KB [ 718.979497] avc_node 43KB 47KB [ 719.001427] selinux_file_security 294KB 561KB [ 719.037683] selinux_inode_security 3329KB 3652KB [ 719.050657] key_jar 3KB 7KB [ 719.081457] uts_namespace 2KB 11KB [ 719.117165] nsproxy 1KB 7KB [ 719.146921] vm_area_struct 8124KB 12084KB [ 719.202703] mm_struct 1386KB 2463KB [ 719.208106] fs_cache 111KB 400KB [ 719.223865] files_cache 418KB 791KB [ 719.229256] signal_cache 894KB 1667KB [ 719.268904] sighand_cache 474KB 506KB [ 719.311342] task_struct 3929KB 3929KB [ 719.319827] cred_jar 757KB 1980KB [ 719.411114] anon_vma_chain 4628KB 6217KB [ 719.436984] anon_vma 176KB 373KB [ 719.444508] pid 60KB 252KB [ 719.449885] Acpi-Operand 106KB 162KB [ 719.533566] Acpi-Namespace 19KB 23KB [ 719.538982] numa_policy 0KB 3KB [ 719.559806] debug_objects_cache 833KB 1106KB [ 719.566673] trace_event_file 260KB 262KB [ 719.601230] ftrace_event_field 376KB 381KB [ 719.681314] pool_workqueue 87KB 104KB [ 719.719565] task_group 5KB 7KB [ 719.771503] page->ptl 1370KB 2846KB [ 719.805372] kmalloc-4M 5500928KB 5500928KB [ 719.810777] kmalloc-2M 2050KB 2050KB [ 719.818695] kmalloc-512k 2056KB 2056KB [ 719.890484] kmalloc-256k 1290KB 1290KB [ 719.956073] kmalloc-128k 650KB 650KB [ 719.961484] kmalloc-64k 330KB 330KB [ 720.000689] kmalloc-32k 10428KB 10428KB [ 720.050335] kmalloc-16k 973KB 973KB [ 720.103366] kmalloc-8k 1798KB 1798KB [ 720.108769] kmalloc-4k 15657KB 15657KB [ 720.141181] kmalloc-2k 7050KB 8427KB [ 720.149182] kmalloc-1k 4351KB 5811KB [ 720.192720] kmalloc-512 3611KB 5478KB [ 720.198123] kmalloc-256 2873KB 3641KB [ 720.278607] kmalloc-128 904KB 1090KB [ 720.286607] kmalloc-96 1736KB 2380KB [ 720.363738] kmalloc-64 3336KB 3740KB [ 720.369138] kmalloc-32 2897KB 3106KB [ 720.381260] kmalloc-192 665KB 972KB [ 720.386719] kmem_cache 221KB 225KB [ 720.408324] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 720.425223] Killed process 10751 (syz-executor5) total-vm:37444kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 720.476500] syz-executor3 invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 720.559943] syz-executor3 cpuset=syz3 mems_allowed=0 [ 720.588546] CPU: 1 PID: 6159 Comm: syz-executor3 Not tainted 4.20.0-rc6+ #151 [ 720.595858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 720.605205] Call Trace: [ 720.607790] dump_stack+0x244/0x39d [ 720.611400] ? dump_stack_print_info.cold.1+0x20/0x20 [ 720.616577] ? mark_held_locks+0x130/0x130 [ 720.620801] ? mark_held_locks+0x130/0x130 [ 720.625029] dump_header+0x27b/0xf72 [ 720.628731] ? pagefault_out_of_memory+0x197/0x197 [ 720.633700] ? mark_held_locks+0x130/0x130 [ 720.637921] ? __lock_acquire+0x62f/0x4c20 [ 720.642194] ? percpu_ref_get_many+0x240/0x240 [ 720.646772] ? print_usage_bug+0xc0/0xc0 [ 720.650819] ? zap_class+0x640/0x640 [ 720.654517] ? print_usage_bug+0xc0/0xc0 [ 720.658562] ? print_usage_bug+0xc0/0xc0 [ 720.662605] ? zap_class+0x640/0x640 [ 720.666309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.671834] ? find_held_lock+0x36/0x1c0 [ 720.675883] ? mark_held_locks+0xc7/0x130 [ 720.680019] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 720.685106] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 720.690191] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 720.694764] ? trace_hardirqs_on+0xbd/0x310 [ 720.699074] ? kasan_check_read+0x11/0x20 [ 720.703207] ? ___ratelimit+0x3b4/0x672 [ 720.707166] ? trace_hardirqs_off_caller+0x310/0x310 [ 720.712254] ? trace_hardirqs_on+0x310/0x310 [ 720.716647] ? lock_downgrade+0x900/0x900 [ 720.720787] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 720.725912] ? ___ratelimit+0x3b9/0x672 [ 720.729921] ? idr_get_free+0xf70/0xf70 [ 720.733881] ? kasan_check_read+0x11/0x20 [ 720.738015] ? do_raw_spin_unlock+0xa7/0x330 [ 720.742414] oom_kill_process.cold.27+0x10/0x903 [ 720.747155] ? zap_class+0x640/0x640 [ 720.750850] ? _raw_spin_unlock+0x2c/0x50 [ 720.754997] ? oom_badness+0xe6/0xaa0 [ 720.758788] ? oom_evaluate_task+0x540/0x540 [ 720.763184] ? find_held_lock+0x36/0x1c0 [ 720.767234] ? out_of_memory+0x974/0x1430 [ 720.771369] ? lock_downgrade+0x900/0x900 [ 720.775501] ? check_preemption_disabled+0x48/0x280 [ 720.780501] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 720.785413] ? kasan_check_read+0x11/0x20 [ 720.789544] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 720.794805] ? rcu_softirq_qs+0x20/0x20 [ 720.798769] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 720.803774] ? oom_evaluate_task+0x302/0x540 [ 720.808167] out_of_memory+0xa84/0x1430 [ 720.812127] ? oom_killer_disable+0x3a0/0x3a0 [ 720.816605] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 720.821521] ? __ww_mutex_check_waiters+0x160/0x160 [ 720.826535] __alloc_pages_slowpath+0x232c/0x2de0 [ 720.831375] ? warn_alloc+0x120/0x120 [ 720.835166] ? mark_held_locks+0x130/0x130 [ 720.839388] ? find_get_entry+0xaae/0x1120 [ 720.843613] ? filemap_map_pages+0x1a20/0x1a20 [ 720.848189] ? zap_class+0x640/0x640 [ 720.851892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 720.857414] ? check_preemption_disabled+0x48/0x280 [ 720.862414] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 720.867937] ? should_fail+0x22d/0xd01 [ 720.871820] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 720.876911] ? zap_class+0x640/0x640 [ 720.880618] ? __lock_is_held+0xb5/0x140 [ 720.884665] ? mark_held_locks+0x130/0x130 [ 720.888885] ? lock_release+0xa00/0xa00 [ 720.892844] ? perf_trace_sched_process_exec+0x860/0x860 [ 720.898279] ? xa_load+0x2ba/0x460 [ 720.901813] ? lock_downgrade+0x900/0x900 [ 720.905949] ? __might_sleep+0x95/0x190 [ 720.909908] __alloc_pages_nodemask+0xad8/0xea0 [ 720.914568] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 720.919568] ? __page_cache_alloc+0x191/0x5c0 [ 720.924047] ? xa_load+0x2e1/0x460 [ 720.927574] ? xa_clear_mark+0x40/0x40 [ 720.931440] ? up_read_non_owner+0x100/0x100 [ 720.935835] ? zap_class+0x640/0x640 [ 720.939534] ? zap_class+0x640/0x640 [ 720.943247] ? zap_class+0x640/0x640 [ 720.946949] ? __do_page_cache_readahead+0x663/0x810 [ 720.952043] ? find_held_lock+0x36/0x1c0 [ 720.956170] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 720.961713] alloc_pages_current+0x173/0x350 [ 720.966115] __page_cache_alloc+0x38c/0x5c0 [ 720.970433] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 720.975348] ? kasan_check_read+0x11/0x20 [ 720.979490] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 720.984755] ? generic_perform_write+0x6a0/0x6a0 [ 720.989497] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 720.995016] ? check_preemption_disabled+0x48/0x280 [ 721.000020] filemap_fault+0x1595/0x25f0 [ 721.004075] ? __lock_page_or_retry+0xa00/0xa00 [ 721.008728] ? mark_held_locks+0x130/0x130 [ 721.012955] ? filemap_map_pages+0xd6b/0x1a20 [ 721.017439] ? lock_downgrade+0x900/0x900 [ 721.021570] ? check_preemption_disabled+0x48/0x280 [ 721.026586] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 721.031498] ? kasan_check_read+0x11/0x20 [ 721.036007] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 721.041265] ? rcu_softirq_qs+0x20/0x20 [ 721.045231] ? filemap_map_pages+0xd92/0x1a20 [ 721.049718] ? find_get_entries_tag+0x1400/0x1400 [ 721.054572] ? lock_acquire+0x1ed/0x520 [ 721.058531] ? ext4_filemap_fault+0x7a/0xad [ 721.062838] ? lock_release+0xa00/0xa00 [ 721.066795] ? perf_trace_sched_process_exec+0x860/0x860 [ 721.072229] ? mark_held_locks+0x130/0x130 [ 721.076447] ? print_usage_bug+0xc0/0xc0 [ 721.080508] ? down_read+0x8d/0x120 [ 721.084124] ? ext4_filemap_fault+0x7a/0xad [ 721.088429] ? __down_interruptible+0x700/0x700 [ 721.093084] ? find_held_lock+0x36/0x1c0 [ 721.097132] ext4_filemap_fault+0x82/0xad [ 721.101263] __do_fault+0x100/0x6b0 [ 721.104875] ? lock_downgrade+0x900/0x900 [ 721.109008] ? pmd_devmap_trans_unstable+0x220/0x220 [ 721.114100] ? kasan_check_read+0x11/0x20 [ 721.118246] ? do_raw_spin_unlock+0xa7/0x330 [ 721.122659] ? do_raw_spin_trylock+0x270/0x270 [ 721.127230] ? hrtimer_forward+0x2a0/0x2a0 [ 721.131444] ? hrtimer_start_range_ns+0x6c4/0xe00 [ 721.136275] __handle_mm_fault+0x3ea6/0x5be0 [ 721.140669] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 721.145496] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 721.150596] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 721.155686] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 721.160252] ? kasan_check_read+0x11/0x20 [ 721.164384] ? __free_object+0x173/0x340 [ 721.168433] ? zap_class+0x640/0x640 [ 721.172132] ? zap_class+0x640/0x640 [ 721.175830] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 721.180918] ? find_held_lock+0x36/0x1c0 [ 721.184972] ? handle_mm_fault+0x42a/0xc70 [ 721.189191] ? lock_downgrade+0x900/0x900 [ 721.193325] ? check_preemption_disabled+0x48/0x280 [ 721.198324] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 721.203239] ? kasan_check_read+0x11/0x20 [ 721.207570] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 721.212831] ? rcu_softirq_qs+0x20/0x20 [ 721.216789] ? trace_hardirqs_off_caller+0x310/0x310 [ 721.221878] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 721.227403] ? check_preemption_disabled+0x48/0x280 [ 721.232408] handle_mm_fault+0x54f/0xc70 [ 721.236460] ? __handle_mm_fault+0x5be0/0x5be0 [ 721.241041] ? find_vma+0x34/0x190 [ 721.244575] __do_page_fault+0x5e8/0xe60 [ 721.248619] ? trace_hardirqs_off+0xb8/0x310 [ 721.253037] do_page_fault+0xf2/0x7e0 [ 721.256827] ? vmalloc_sync_all+0x30/0x30 [ 721.260965] ? error_entry+0x70/0xd0 [ 721.264666] ? trace_hardirqs_off_caller+0xbb/0x310 [ 721.269667] ? trace_hardirqs_on_caller+0xc0/0x310 [ 721.274580] ? syscall_return_slowpath+0x5e0/0x5e0 [ 721.279493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 721.284321] ? trace_hardirqs_on_caller+0x310/0x310 [ 721.289318] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 721.294754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 721.300276] ? prepare_exit_to_usermode+0x291/0x3b0 [ 721.305273] ? page_fault+0x8/0x30 [ 721.308800] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 721.313628] ? page_fault+0x8/0x30 [ 721.317150] page_fault+0x1e/0x30 [ 721.320583] RIP: 0033:0x45a4d0 [ 721.323769] Code: Bad RIP value. [ 721.327116] RSP: 002b:00007fff9b9d3578 EFLAGS: 00010246 [ 721.332462] RAX: 0000000000000000 RBX: 00000000000a4edb RCX: 0000000000483170 [ 721.339715] RDX: 0000000000000000 RSI: 00007fff9b9d3580 RDI: 0000000000000001 [ 721.346968] RBP: 00000000000002ef R08: 0000000000000001 R09: 000000000166d940 [ 721.354219] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 721.361472] R13: 00000000000a4e70 R14: 00000000000001f1 R15: 0000000000000003 [ 721.397864] Mem-Info: [ 721.400346] active_anon:5677 inactive_anon:194 isolated_anon:0 [ 721.400346] active_file:16 inactive_file:5 isolated_file:0 [ 721.400346] unevictable:0 dirty:0 writeback:0 unstable:0 [ 721.400346] slab_reclaimable:12632 slab_unreclaimable:1480714 [ 721.400346] mapped:2 shmem:245 pagetables:434 bounce:0 [ 721.400346] free:23761 free_pcp:43 free_cma:0 [ 721.458634] Node 0 active_anon:22708kB inactive_anon:776kB active_file:64kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 721.490813] 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 [ 721.526934] lowmem_reserve[]: 0 2818 6321 6321 [ 721.531554] Node 0 DMA32 free:43812kB min:30052kB low:37564kB high:45076kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 721.572952] lowmem_reserve[]: 0 0 3503 3503 [ 721.577311] Node 0 Normal free:35324kB min:37364kB low:46704kB high:56044kB active_anon:22660kB inactive_anon:776kB active_file:36kB inactive_file:48kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:1736kB bounce:0kB free_pcp:172kB local_pcp:4kB free_cma:0kB [ 721.619565] lowmem_reserve[]: 0 0 0 0 [ 721.629942] 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 [ 721.687962] Node 0 DMA32: 9*4kB (UME) 8*8kB (UME) 16*16kB (UME) 10*32kB (ME) 6*64kB (UME) 4*128kB (UM) 3*256kB (ME) 3*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (UM) = 43812kB [ 721.747877] Node 0 Normal: 1491*4kB (UME) 1040*8kB (UME) 345*16kB (UME) 133*32kB (UME) 76*64kB (UME) 30*128kB (UME) 10*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 35324kB [ 721.785423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 721.810186] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 721.859221] 266 total pagecache pages [ 721.892195] 0 pages in swap cache [ 721.895681] Swap cache stats: add 0, delete 0, find 0/0 [ 721.901042] Free swap = 0kB [ 721.911470] Total swap = 0kB [ 721.917693] 1965979 pages RAM [ 721.920803] 0 pages HighMem/MovableOnly [ 721.979331] 342853 pages reserved [ 722.010065] 0 pages cma reserved [ 722.029980] Unreclaimable slab info: [ 722.037817] Name Used Total [ 722.091472] pid_2 68KB 156KB [ 722.126586] TIPC 10KB 28KB [ 722.158600] SCTPv6 14KB 24KB [ 722.234822] DCCPv6 17KB 21KB [ 722.240236] DCCP 16KB 20KB [ 722.257855] bridge_fdb_cache 11KB 27KB [ 722.290763] fib6_nodes 77KB 120KB [ 722.329580] ip6_dst_cache 174KB 247KB [ 722.336597] RAWv6 68KB 91KB [ 722.359299] UDPv6 3KB 3KB [ 722.389561] TCPv6 23KB 23KB [ 722.456758] nf_conntrack 0KB 3KB [ 722.504857] sd_ext_cdb 0KB 3KB [ 722.510261] scsi_sense_cache 1056KB 1060KB [ 722.518330] virtio_scsi_cmd 16KB 16KB [ 722.526353] sgpool-128 8KB 8KB [ 722.539854] sgpool-64 4KB 6KB [ 722.551687] sgpool-32 2KB 7KB [ 722.578116] sgpool-16 1KB 3KB [ 722.621899] sgpool-8 0KB 3KB [ 722.627301] mqueue_inode_cache 10KB 28KB [ 722.686571] bio_post_read_ctx 14KB 15KB [ 722.693800] bio-2 14KB 15KB [ 722.699197] jfs_mp 7KB 7KB [ 722.706376] nfs_commit_data 3KB 7KB [ 722.711750] nfs_write_data 32KB 32KB [ 722.731358] ext4_system_zone 0KB 3KB [ 722.736808] bio-1 1KB 3KB [ 722.757347] pid_namespace 2KB 11KB [ 722.789574] rpc_buffers 17KB 19KB [ 722.819068] rpc_tasks 2KB 3KB [ 722.828158] UNIX 14KB 25KB [ 722.877180] tcp_bind_bucket 1KB 4KB [ 722.917066] ip_fib_trie 11KB 19KB [ 722.925689] ip_fib_alias 52KB 83KB [ 722.931080] ip_dst_cache 1KB 8KB [ 723.000536] RAW 40KB 64KB [ 723.019489] UDP 16KB 39KB [ 723.054342] TCP 5KB 5KB [ 723.059760] hugetlbfs_inode_cache 2KB 7KB [ 723.069431] fscache_cookie_jar 1KB 7KB [ 723.133389] eventpoll_pwq 31KB 43KB [ 723.138802] eventpoll_epi 57KB 82KB [ 723.167877] inotify_inode_mark 57KB 82KB [ 723.229244] request_queue 164KB 164KB [ 723.253191] blkdev_ioc 19KB 38KB [ 723.258602] bio-0 4586KB 4590KB [ 723.321649] biovec-max 2260KB 2260KB [ 723.343982] biovec-64 5641KB 5654KB [ 723.349379] biovec-16 1231KB 1233KB [ 723.387341] bio_integrity_payload 1KB 3KB [ 723.398623] khugepaged_mm_slot 0KB 3KB [ 723.406784] dmaengine-unmap-256 2KB 6KB [ 723.447067] dmaengine-unmap-128 1KB 3KB [ 723.477741] dmaengine-unmap-16 0KB 4KB [ 723.490585] dmaengine-unmap-2 0KB 3KB [ 723.507286] skbuff_fclone_cache 3KB 11KB [ 723.512897] skbuff_head_cache 985KB 1893KB [ 723.518262] configfs_dir_cache 0KB 4KB [ 723.559904] file_lock_cache 0KB 3KB [ 723.589651] file_lock_ctx 0KB 3KB [ 723.601268] fsnotify_mark_connector 33KB 51KB [ 723.611446] net_namespace 51KB 51KB [ 723.659851] shmem_inode_cache 5540KB 5546KB [ 723.680548] task_delay_info 124KB 421KB [ 723.725872] proc_dir_entry 578KB 663KB [ 723.731276] pde_opener 0KB 3KB [ 723.756573] seq_file 252KB 334KB [ 723.770094] sigqueue 45KB 181KB [ 723.829276] kernfs_node_cache 11463KB 11466KB [ 723.840857] mnt_cache 80KB 104KB [ 723.859356] filp 4210KB 6423KB [ 723.888397] names_cache 112455KB 112455KB [ 723.928854] iint_cache 26KB 63KB [ 723.938706] hashtab_node 118KB 119KB [ 724.002105] ebitmap_node 1329KB 1555KB [ 724.007518] avtab_node 1012KB 1013KB [ 724.020670] avc_node 43KB 47KB [ 724.029428] selinux_file_security 294KB 561KB [ 724.075138] selinux_inode_security 3329KB 3652KB [ 724.080971] key_jar 3KB 7KB [ 724.117797] uts_namespace 2KB 11KB [ 724.127089] nsproxy 1KB 7KB [ 724.169701] vm_area_struct 8123KB 12081KB [ 724.200225] mm_struct 1384KB 2463KB [ 724.229152] fs_cache 111KB 400KB [ 724.271631] files_cache 418KB 791KB [ 724.279445] signal_cache 894KB 1667KB [ 724.338680] sighand_cache 474KB 506KB [ 724.350831] task_struct 3929KB 3929KB [ 724.359061] cred_jar 756KB 1980KB [ 724.368079] anon_vma_chain 4627KB 6217KB [ 724.433026] anon_vma 176KB 373KB [ 724.438433] pid 60KB 252KB [ 724.460886] Acpi-Operand 106KB 162KB [ 724.481148] Acpi-Namespace 19KB 23KB [ 724.510119] numa_policy 0KB 3KB [ 724.540502] debug_objects_cache 833KB 1106KB [ 724.576527] trace_event_file 260KB 262KB [ 724.609374] ftrace_event_field 376KB 381KB [ 724.649921] pool_workqueue 87KB 104KB [ 724.678800] task_group 5KB 7KB [ 724.686880] page->ptl 1370KB 2846KB [ 724.731219] kmalloc-4M 5500928KB 5500928KB [ 724.745120] kmalloc-2M 2050KB 2050KB [ 724.750510] kmalloc-512k 2056KB 2056KB [ 724.758598] kmalloc-256k 1290KB 1290KB [ 724.817434] kmalloc-128k 650KB 650KB [ 724.831830] kmalloc-64k 330KB 330KB [ 724.837216] kmalloc-32k 10428KB 10428KB [ 724.891089] kmalloc-16k 973KB 973KB [ 724.926868] kmalloc-8k 1798KB 1798KB [ 724.932365] kmalloc-4k 15657KB 15657KB [ 724.937731] kmalloc-2k 7048KB 8427KB [ 725.012836] kmalloc-1k 4365KB 5811KB [ 725.018244] kmalloc-512 3712KB 5478KB [ 725.025196] kmalloc-256 2873KB 3641KB [ 725.030577] kmalloc-128 904KB 1090KB [ 725.093529] kmalloc-96 1736KB 2380KB [ 725.098934] kmalloc-64 3340KB 3740KB [ 725.114967] kmalloc-32 2896KB 3106KB [ 725.120353] kmalloc-192 665KB 972KB [ 725.131050] kmem_cache 221KB 225KB [ 725.167349] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 725.191754] Killed process 6156 (syz-executor3) total-vm:37444kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 725.221697] oom_reaper: reaped process 6156 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 725.280645] udevd invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=-1000 [ 725.302943] udevd cpuset=/ mems_allowed=0 [ 725.307117] CPU: 0 PID: 7775 Comm: udevd Not tainted 4.20.0-rc6+ #151 [ 725.313685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 725.323038] Call Trace: [ 725.325638] dump_stack+0x244/0x39d [ 725.329275] ? dump_stack_print_info.cold.1+0x20/0x20 [ 725.334475] ? mark_held_locks+0x130/0x130 [ 725.338719] ? mark_held_locks+0x130/0x130 [ 725.342962] dump_header+0x27b/0xf72 [ 725.346692] ? pagefault_out_of_memory+0x197/0x197 [ 725.351642] ? mark_held_locks+0x130/0x130 [ 725.355888] ? __lock_acquire+0x62f/0x4c20 [ 725.360137] ? percpu_ref_get_many+0x240/0x240 [ 725.364728] ? print_usage_bug+0xc0/0xc0 [ 725.368800] ? zap_class+0x640/0x640 [ 725.372524] ? print_usage_bug+0xc0/0xc0 [ 725.376592] ? print_usage_bug+0xc0/0xc0 [ 725.380670] ? zap_class+0x640/0x640 [ 725.384400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.389937] ? find_held_lock+0x36/0x1c0 [ 725.394006] ? mark_held_locks+0xc7/0x130 [ 725.398158] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 725.403263] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 725.408378] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 725.412967] ? trace_hardirqs_on+0xbd/0x310 [ 725.417295] ? kasan_check_read+0x11/0x20 [ 725.421445] ? ___ratelimit+0x3b4/0x672 [ 725.425425] ? trace_hardirqs_off_caller+0x310/0x310 [ 725.430535] ? trace_hardirqs_on+0x310/0x310 [ 725.434947] ? lock_downgrade+0x900/0x900 [ 725.439103] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 725.444209] ? ___ratelimit+0x3b9/0x672 [ 725.448187] ? idr_get_free+0xf70/0xf70 [ 725.452164] ? kasan_check_read+0x11/0x20 [ 725.456318] ? do_raw_spin_unlock+0xa7/0x330 [ 725.460739] oom_kill_process.cold.27+0x10/0x903 [ 725.465493] ? zap_class+0x640/0x640 [ 725.469191] ? _raw_spin_unlock+0x2c/0x50 [ 725.473331] ? oom_badness+0xe6/0xaa0 [ 725.477142] ? oom_evaluate_task+0x540/0x540 [ 725.481556] ? find_held_lock+0x36/0x1c0 [ 725.485636] ? out_of_memory+0x974/0x1430 [ 725.489789] ? lock_downgrade+0x900/0x900 [ 725.493942] ? check_preemption_disabled+0x48/0x280 [ 725.498967] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 725.503899] ? kasan_check_read+0x11/0x20 [ 725.508051] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 725.513332] ? rcu_softirq_qs+0x20/0x20 [ 725.517313] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 725.522329] ? oom_evaluate_task+0x302/0x540 [ 725.526749] out_of_memory+0xa84/0x1430 [ 725.530738] ? oom_killer_disable+0x3a0/0x3a0 [ 725.535242] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 725.540186] ? __ww_mutex_check_waiters+0x160/0x160 [ 725.545222] __alloc_pages_slowpath+0x232c/0x2de0 [ 725.550250] ? warn_alloc+0x120/0x120 [ 725.554058] ? mark_held_locks+0x130/0x130 [ 725.558302] ? find_get_entry+0xaae/0x1120 [ 725.562549] ? filemap_map_pages+0x1a20/0x1a20 [ 725.567143] ? zap_class+0x640/0x640 [ 725.570874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.576416] ? check_preemption_disabled+0x48/0x280 [ 725.581435] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.586977] ? should_fail+0x22d/0xd01 [ 725.590879] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 725.595990] ? zap_class+0x640/0x640 [ 725.599735] ? __lock_is_held+0xb5/0x140 [ 725.603814] ? mark_held_locks+0x130/0x130 [ 725.608054] ? lock_release+0xa00/0xa00 [ 725.612035] ? perf_trace_sched_process_exec+0x860/0x860 [ 725.617490] ? xa_load+0x2ba/0x460 [ 725.621035] ? lock_downgrade+0x900/0x900 [ 725.625195] ? __might_sleep+0x95/0x190 [ 725.629168] __alloc_pages_nodemask+0xad8/0xea0 [ 725.633842] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 725.638875] ? __page_cache_alloc+0x191/0x5c0 [ 725.643378] ? xa_load+0x2e1/0x460 [ 725.646923] ? xa_clear_mark+0x40/0x40 [ 725.650815] ? zap_class+0x640/0x640 [ 725.654540] ? zap_class+0x640/0x640 [ 725.658264] ? zap_class+0x640/0x640 [ 725.661986] ? __do_page_cache_readahead+0x663/0x810 [ 725.667101] ? find_held_lock+0x36/0x1c0 [ 725.671171] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 725.676730] alloc_pages_current+0x173/0x350 [ 725.681150] __page_cache_alloc+0x38c/0x5c0 [ 725.685478] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 725.690415] ? kasan_check_read+0x11/0x20 [ 725.694566] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 725.699866] ? generic_perform_write+0x6a0/0x6a0 [ 725.704633] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.710169] ? check_preemption_disabled+0x48/0x280 [ 725.715190] filemap_fault+0x1595/0x25f0 [ 725.719271] ? __lock_page_or_retry+0xa00/0xa00 [ 725.723947] ? mark_held_locks+0x130/0x130 [ 725.728193] ? filemap_map_pages+0xd6b/0x1a20 [ 725.732707] ? lock_downgrade+0x900/0x900 [ 725.736866] ? check_preemption_disabled+0x48/0x280 [ 725.741894] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 725.746831] ? kasan_check_read+0x11/0x20 [ 725.750990] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 725.756278] ? rcu_softirq_qs+0x20/0x20 [ 725.760277] ? filemap_map_pages+0xd92/0x1a20 [ 725.764816] ? find_get_entries_tag+0x1400/0x1400 [ 725.769689] ? ep_scan_ready_list+0xbc7/0x1050 [ 725.774278] ? trace_hardirqs_off_caller+0x310/0x310 [ 725.779655] ? zap_class+0x640/0x640 [ 725.783390] ? lock_acquire+0x1ed/0x520 [ 725.787377] ? ext4_filemap_fault+0x7a/0xad [ 725.791703] ? lock_release+0xa00/0xa00 [ 725.795680] ? perf_trace_sched_process_exec+0x860/0x860 [ 725.801225] ? print_usage_bug+0xc0/0xc0 [ 725.805304] ? print_usage_bug+0xc0/0xc0 [ 725.809378] ? down_read+0x8d/0x120 [ 725.813010] ? ext4_filemap_fault+0x7a/0xad [ 725.817338] ? __down_interruptible+0x700/0x700 [ 725.822021] ext4_filemap_fault+0x82/0xad [ 725.826176] __do_fault+0x100/0x6b0 [ 725.829812] ? pmd_devmap_trans_unstable+0x220/0x220 [ 725.834929] ? mark_held_locks+0x130/0x130 [ 725.839168] ? mark_held_locks+0x130/0x130 [ 725.843405] ? kasan_check_read+0x11/0x20 [ 725.847558] ? ep_poll+0xffa/0x13d0 [ 725.851196] ? trace_hardirqs_off_caller+0x310/0x310 [ 725.856314] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.861873] __handle_mm_fault+0x3ea6/0x5be0 [ 725.866286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 725.871841] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 725.876694] ? do_epoll_create+0x590/0x590 [ 725.880948] ? zap_class+0x640/0x640 [ 725.884665] ? zap_class+0x640/0x640 [ 725.888384] ? security_socket_sendmsg+0x94/0xc0 [ 725.893153] ? find_held_lock+0x36/0x1c0 [ 725.897230] ? handle_mm_fault+0x42a/0xc70 [ 725.901485] ? lock_downgrade+0x900/0x900 [ 725.905643] ? check_preemption_disabled+0x48/0x280 [ 725.910667] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 725.915605] ? kasan_check_read+0x11/0x20 [ 725.919758] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 725.925043] ? rcu_softirq_qs+0x20/0x20 [ 725.929122] ? trace_hardirqs_off_caller+0x310/0x310 [ 725.934233] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 725.939780] ? check_preemption_disabled+0x48/0x280 [ 725.944809] handle_mm_fault+0x54f/0xc70 [ 725.948874] ? __handle_mm_fault+0x5be0/0x5be0 [ 725.953461] ? find_vma+0x34/0x190 [ 725.957013] __do_page_fault+0x5e8/0xe60 [ 725.961079] ? trace_hardirqs_off+0xb8/0x310 [ 725.965507] do_page_fault+0xf2/0x7e0 [ 725.969312] ? vmalloc_sync_all+0x30/0x30 [ 725.973465] ? error_entry+0x70/0xd0 [ 725.977183] ? trace_hardirqs_off_caller+0xbb/0x310 [ 725.982212] ? trace_hardirqs_on_caller+0xc0/0x310 [ 725.987149] ? syscall_return_slowpath+0x5e0/0x5e0 [ 725.992086] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 725.996941] ? trace_hardirqs_on_caller+0x310/0x310 [ 726.001963] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 726.007421] ? prepare_exit_to_usermode+0x291/0x3b0 [ 726.013054] ? page_fault+0x8/0x30 [ 726.016608] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 726.021458] ? page_fault+0x8/0x30 [ 726.025005] page_fault+0x1e/0x30 [ 726.028468] RIP: 0033:0x7f2d8253d943 [ 726.032204] Code: Bad RIP value. [ 726.035572] RSP: 002b:00007ffe861b30f8 EFLAGS: 00010246 [ 726.040937] RAX: 0000000000000001 RBX: 000000000079ce80 RCX: 00007f2d8253d943 [ 726.048209] RDX: 0000000000000004 RSI: 00007ffe861b3150 RDI: 0000000000000004 [ 726.055482] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 726.062754] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001 [ 726.070029] R13: 0000000000757da0 R14: 000000000074d030 R15: 000000000000000b [ 726.096111] Mem-Info: [ 726.098591] active_anon:5644 inactive_anon:194 isolated_anon:0 [ 726.098591] active_file:16 inactive_file:6 isolated_file:0 [ 726.098591] unevictable:0 dirty:0 writeback:0 unstable:0 [ 726.098591] slab_reclaimable:12632 slab_unreclaimable:1480627 [ 726.098591] mapped:2 shmem:245 pagetables:423 bounce:0 [ 726.098591] free:23855 free_pcp:127 free_cma:0 [ 726.143463] Node 0 active_anon:22492kB inactive_anon:776kB active_file:40kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:980kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 726.272867] 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 [ 726.391713] lowmem_reserve[]: 0 2818 6321 6321 [ 726.405767] Node 0 DMA32 free:121636kB min:30052kB low:37564kB high:45076kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:1044kB local_pcp:0kB free_cma:0kB [ 726.520930] lowmem_reserve[]: 0 0 3503 3503 [ 726.551688] Node 0 Normal free:407476kB min:37364kB low:46704kB high:56044kB active_anon:22188kB inactive_anon:776kB active_file:268kB inactive_file:4768kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6848kB pagetables:1644kB bounce:0kB free_pcp:2092kB local_pcp:1448kB free_cma:0kB [ 726.618591] lowmem_reserve[]: 0 0 0 0 [ 726.623007] 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 [ 726.682593] Node 0 DMA32: 9*4kB (UME) 8*8kB (UME) 16*16kB (UME) 10*32kB (ME) 6*64kB (UME) 4*128kB (UM) 3*256kB (ME) 3*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 129*4096kB (UM) = 543524kB 2018/12/11 18:38:02 executed programs: 2955 [ 726.761886] Node 0 Normal: 1636*4kB (UME) 2103*8kB (UME) 1076*16kB (UME) 393*32kB (UME) 138*64kB (UME) 63*128kB (UME) 26*256kB (UM) 7*512kB (U) 0*1024kB 0*2048kB 129*4096kB (U) = 608680kB [ 726.878552] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 726.916317] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 726.925617] 2828 total pagecache pages [ 726.929531] 0 pages in swap cache [ 726.946388] Swap cache stats: add 0, delete 0, find 0/0 [ 726.962627] Free swap = 0kB [ 726.965684] Total swap = 0kB [ 726.969240] 1965979 pages RAM [ 726.972761] 0 pages HighMem/MovableOnly [ 726.976739] 342853 pages reserved [ 726.980184] 0 pages cma reserved [ 727.010026] Unreclaimable slab info: [ 727.032164] Name Used Total [ 727.043857] pid_2 68KB 156KB [ 727.069725] TIPC 10KB 28KB [ 727.075573] SCTPv6 14KB 24KB [ 727.080959] DCCPv6 17KB 21KB [ 727.103498] DCCP 16KB 20KB [ 727.109008] bridge_fdb_cache 11KB 27KB [ 727.130979] fib6_nodes 77KB 120KB [ 727.136919] ip6_dst_cache 174KB 247KB [ 727.142735] RAWv6 68KB 91KB [ 727.148493] UDPv6 3KB 3KB [ 727.168202] TCPv6 23KB 23KB [ 727.174189] nf_conntrack 0KB 3KB [ 727.179667] sd_ext_cdb 0KB 3KB [ 727.185702] scsi_sense_cache 1056KB 1060KB [ 727.191188] virtio_scsi_cmd 16KB 16KB [ 727.198096] sgpool-128 8KB 8KB [ 727.206526] sgpool-64 4KB 6KB [ 727.213120] sgpool-32 2KB 7KB 2018/12/11 18:38:03 result: failed=false hanged=false err=executor 1: exit status -1 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 727.223381] sgpool-16 1KB 3KB [ 727.229099] sgpool-8 0KB 3KB [ 727.234952] mqueue_inode_cache 10KB 28KB [ 727.240804] bio_post_read_ctx 14KB 15KB [ 727.256435] bio-2 14KB 15KB [ 727.262222] jfs_mp 7KB 7KB [ 727.267617] nfs_commit_data 3KB 7KB [ 727.273519] nfs_write_data 32KB 32KB [ 727.278909] ext4_system_zone 0KB 3KB [ 727.292536] bio-1 1KB 3KB [ 727.297927] pid_namespace 2KB 11KB [ 727.319171] rpc_buffers 17KB 19KB [ 727.383100] rpc_tasks 2KB 3KB [ 727.388557] UNIX 14KB 25KB [ 727.397045] kasan: CONFIG_KASAN_INLINE enabled [ 727.407458] tcp_bind_bucket 1KB 4KB [ 727.407608] ip_fib_trie 11KB 19KB [ 727.407619] ip_fib_alias 52KB 83KB [ 727.407630] ip_dst_cache 1KB 8KB [ 727.407641] RAW 40KB 64KB [ 727.407651] UDP 16KB 39KB [ 727.407664] TCP 5KB 5KB [ 727.407676] hugetlbfs_inode_cache 2KB 7KB [ 727.407686] fscache_cookie_jar 1KB 7KB [ 727.407696] eventpoll_pwq 32KB 43KB [ 727.407707] eventpoll_epi 60KB 82KB [ 727.407716] inotify_inode_mark 60KB 82KB [ 727.407729] request_queue 164KB 164KB [ 727.407741] blkdev_ioc 27KB 38KB [ 727.407751] bio-0 4706KB 4706KB [ 727.407762] biovec-max 2260KB 2260KB [ 727.407773] biovec-64 5725KB 5725KB [ 727.407783] biovec-16 1245KB 1245KB [ 727.407794] bio_integrity_payload 1KB 3KB [ 727.407805] khugepaged_mm_slot 0KB 3KB [ 727.407822] dmaengine-unmap-256 2KB 6KB [ 727.407832] dmaengine-unmap-128 1KB 3KB [ 727.407843] dmaengine-unmap-16 0KB 4KB [ 727.407853] dmaengine-unmap-2 0KB 3KB [ 727.407865] skbuff_fclone_cache 15KB 15KB [ 727.407875] skbuff_head_cache 994KB 1893KB [ 727.407886] configfs_dir_cache 0KB 4KB [ 727.407896] file_lock_cache 0KB 3KB [ 727.407906] file_lock_ctx 0KB 3KB [ 727.407917] fsnotify_mark_connector 40KB 51KB [ 727.407927] net_namespace 51KB 51KB [ 727.407938] shmem_inode_cache 5550KB 5550KB [ 727.407948] task_delay_info 126KB 421KB [ 727.407960] proc_dir_entry 578KB 663KB [ 727.407970] pde_opener 0KB 3KB [ 727.407981] seq_file 261KB 334KB [ 727.407991] sigqueue 47KB 181KB [ 727.408001] kernfs_node_cache 11463KB 11466KB [ 727.408012] mnt_cache 80KB 104KB [ 727.408022] filp 4213KB 6423KB [ 727.408033] names_cache 112183KB 112183KB [ 727.408044] iint_cache 30KB 63KB [ 727.408054] hashtab_node 118KB 119KB [ 727.408065] ebitmap_node 1340KB 1555KB [ 727.408076] avtab_node 1012KB 1013KB [ 727.408090] avc_node 43KB 47KB [ 727.408101] selinux_file_security 297KB 561KB [ 727.408112] selinux_inode_security 3346KB 3652KB [ 727.408122] key_jar 3KB 7KB [ 727.408133] uts_namespace 2KB 11KB [ 727.408143] nsproxy 1KB 7KB [ 727.408153] vm_area_struct 7967KB 12069KB [ 727.408164] mm_struct 1395KB 2457KB [ 727.408174] fs_cache 114KB 400KB [ 727.408184] files_cache 430KB 791KB [ 727.408195] signal_cache 908KB 1667KB [ 727.408205] sighand_cache 501KB 506KB [ 727.408221] task_struct 3873KB 3922KB [ 727.408231] cred_jar 757KB 1980KB [ 727.408241] anon_vma_chain 4625KB 6217KB [ 727.408249] anon_vma 168KB 373KB [ 727.408258] pid 62KB 252KB [ 727.408266] Acpi-Operand 106KB 162KB [ 727.408279] Acpi-Namespace 19KB 23KB [ 727.408290] numa_policy 0KB 3KB [ 727.408300] debug_objects_cache 920KB 1106KB [ 727.408310] trace_event_file 260KB 262KB [ 727.408319] ftrace_event_field 376KB 381KB [ 727.408329] pool_workqueue 87KB 104KB [ 727.408338] task_group 5KB 7KB [ 727.408348] page->ptl 1365KB 2846KB [ 727.408380] kmalloc-4M 3203072KB 3215360KB [ 727.408389] kmalloc-2M 2050KB 2050KB [ 727.408400] kmalloc-512k 2056KB 2056KB [ 727.408409] kmalloc-256k 1290KB 1290KB [ 727.408418] kmalloc-128k 650KB 650KB [ 727.408428] kmalloc-64k 330KB 330KB [ 727.408438] kmalloc-32k 9306KB 9603KB [ 727.408457] kmalloc-16k 940KB 940KB [ 727.408467] kmalloc-8k 1798KB 1798KB [ 727.408477] kmalloc-4k 15733KB 15733KB [ 727.408487] kmalloc-2k 7048KB 8427KB [ 727.408498] kmalloc-1k 4486KB 5811KB [ 727.408508] kmalloc-512 3729KB 5478KB [ 727.408518] kmalloc-256 2895KB 3641KB [ 727.408529] kmalloc-128 918KB 1090KB [ 727.408539] kmalloc-96 1766KB 2380KB [ 727.408549] kmalloc-64 3363KB 3740KB [ 727.408559] kmalloc-32 2903KB 3106KB [ 727.408570] kmalloc-192 673KB 972KB [ 727.408580] kmem_cache 221KB 225KB [ 727.408593] Out of memory: Kill process 6139 (syz-execprog) score 1 or sacrifice child [ 727.408663] Killed process 6164 (syz-executor0) total-vm:37444kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 727.409123] oom_reaper: reaped process 6164 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 727.936109] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 727.943502] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 727.949725] CPU: 0 PID: 6159 Comm: syz-executor3 Not tainted 4.20.0-rc6+ #151 [ 727.956977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 727.966322] RIP: 0010:put_pid.part.3+0xb6/0x240 [ 727.970976] Code: d2 0f 85 89 01 00 00 44 8b 63 04 49 8d 44 24 03 48 c1 e0 04 48 8d 7c 03 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 66 01 00 00 49 83 c4 03 be 04 00 00 00 48 89 df [ 727.989859] RSP: 0018:ffff8881ae116e78 EFLAGS: 00010202 [ 727.995206] RAX: dffffc0000000000 RBX: ffffffff816149a0 RCX: ffffffff833e420e [ 728.002457] RDX: 00000001933eab7c RSI: ffffffff8152bf8e RDI: 0000000c99f55be0 [ 728.009707] RBP: ffff8881ae116f08 R08: ffff8881cdbf2300 R09: fffff52001507600 [ 728.016957] R10: fffff52001507600 R11: ffffc9000a83b003 R12: 00000000d1894120 [ 728.024207] R13: 1ffff11035c22dd0 R14: ffff8881ae116ee0 R15: dffffc0000000000 [ 728.031462] FS: 000000000166d940(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 [ 728.039672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 728.045533] CR2: 000000000075c458 CR3: 00000001d2bd1000 CR4: 00000000001406f0 [ 728.052787] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 728.060037] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 728.067300] Call Trace: [ 728.069881] ? __lock_acquire+0x62f/0x4c20 [ 728.074101] ? pid_task+0x200/0x200 [ 728.077708] ? rcu_softirq_qs+0x20/0x20 [ 728.081684] ? print_usage_bug+0xc0/0xc0 [ 728.085747] ? print_usage_bug+0xc0/0xc0 [ 728.089803] put_pid+0x1f/0x30 [ 728.093003] freeary+0x10c8/0x1a40 [ 728.096536] ? mark_held_locks+0x130/0x130 [ 728.100757] ? newary+0xb40/0xb40 [ 728.104193] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 728.108757] ? trace_hardirqs_on+0xbd/0x310 [ 728.113059] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 728.118320] ? debug_object_deactivate+0x450/0x450 [ 728.123238] ? call_rcu+0xb/0x10 [ 728.126601] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 728.132127] ? check_preemption_disabled+0x48/0x280 [ 728.137130] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 728.142223] ? ida_free+0x310/0x4d0 [ 728.145834] ? rcu_is_watching+0x30/0x30 [ 728.149881] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.155407] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 728.160490] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 728.166011] ? __radix_tree_lookup+0x3a7/0x500 [ 728.170584] ? lock_acquire+0x1ed/0x520 [ 728.174546] ? free_ipcs+0x8f/0x1c0 [ 728.178157] ? free_ipcs+0xd4/0x1c0 [ 728.181770] ? kasan_check_read+0x11/0x20 [ 728.185907] ? do_raw_spin_lock+0x14f/0x350 [ 728.190216] ? rwlock_bug.part.2+0x90/0x90 [ 728.194438] ? rcu_softirq_qs+0x20/0x20 [ 728.198405] free_ipcs+0x9f/0x1c0 [ 728.201848] ? newary+0xb40/0xb40 [ 728.205284] sem_exit_ns+0x20/0x40 [ 728.208807] put_ipc_ns+0x66/0x180 [ 728.212332] free_nsproxy+0xcf/0x220 [ 728.216025] switch_task_namespaces+0xb3/0xd0 [ 728.220500] exit_task_namespaces+0x17/0x20 [ 728.224806] do_exit+0x1ad1/0x26d0 [ 728.228329] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 728.233240] ? rcu_rnp_online_cpus+0x71/0xe0 [ 728.237650] ? mm_update_next_owner+0x990/0x990 [ 728.242320] ? print_usage_bug+0xc0/0xc0 [ 728.246369] ? filemap_map_pages+0xd92/0x1a20 [ 728.250851] ? zap_class+0x640/0x640 [ 728.254549] ? __lock_acquire+0x62f/0x4c20 [ 728.258768] ? find_held_lock+0x36/0x1c0 [ 728.262816] ? mark_held_locks+0x130/0x130 [ 728.267050] ? lock_downgrade+0x900/0x900 [ 728.271197] ? lock_release+0xa00/0xa00 [ 728.275152] ? perf_trace_sched_process_exec+0x860/0x860 [ 728.280582] ? mark_held_locks+0x130/0x130 [ 728.284807] ? up_read+0x77/0x2c0 [ 728.288259] ? down_read+0x8d/0x120 [ 728.291873] ? up_read_non_owner+0x100/0x100 [ 728.296264] ? __down_interruptible+0x700/0x700 [ 728.300919] ? zap_class+0x640/0x640 [ 728.304618] ? __do_fault+0x33a/0x6b0 [ 728.308458] ? lock_downgrade+0x900/0x900 [ 728.312599] ? pmd_devmap_trans_unstable+0x220/0x220 [ 728.317692] ? memset+0x31/0x40 [ 728.320962] ? find_held_lock+0x36/0x1c0 [ 728.325059] ? get_signal+0x95b/0x1980 [ 728.328934] ? _raw_spin_unlock_irq+0x27/0x80 [ 728.333411] ? _raw_spin_unlock_irq+0x27/0x80 [ 728.337892] do_group_exit+0x177/0x440 [ 728.341781] ? trace_hardirqs_off_caller+0x310/0x310 [ 728.346873] ? __ia32_sys_exit+0x50/0x50 [ 728.350922] get_signal+0x8b0/0x1980 [ 728.354619] ? ptrace_notify+0x130/0x130 [ 728.358666] ? find_held_lock+0x36/0x1c0 [ 728.362715] ? handle_mm_fault+0x42a/0xc70 [ 728.366929] ? lock_downgrade+0x900/0x900 [ 728.371058] ? check_preemption_disabled+0x48/0x280 [ 728.376059] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 728.380972] ? kasan_check_read+0x11/0x20 [ 728.385101] do_signal+0x9c/0x21c0 [ 728.388622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 728.394147] ? check_preemption_disabled+0x48/0x280 [ 728.399162] ? setup_sigcontext+0x7d0/0x7d0 [ 728.403472] ? __handle_mm_fault+0x5be0/0x5be0 [ 728.408037] ? exit_to_usermode_loop+0x8c/0x380 [ 728.412704] ? exit_to_usermode_loop+0x8c/0x380 [ 728.417371] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 728.421961] ? trace_hardirqs_on+0xbd/0x310 [ 728.426270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 728.431799] ? prepare_exit_to_usermode+0x342/0x3b0 [ 728.436813] exit_to_usermode_loop+0x2e5/0x380 [ 728.441380] ? __bpf_trace_sys_exit+0x30/0x30 [ 728.445857] ? trace_hardirqs_off_caller+0xbb/0x310 [ 728.450852] ? syscall_return_slowpath+0x5e0/0x5e0 [ 728.455774] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.460604] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.465434] prepare_exit_to_usermode+0x342/0x3b0 [ 728.470274] ? trace_event_raw_event_sys_enter+0x700/0x700 [ 728.475890] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 728.480717] ? page_fault+0x8/0x30 [ 728.484239] retint_user+0x8/0x18 [ 728.487672] RIP: 0033:0x45a4d0 [ 728.490853] Code: 10 44 00 00 00 e8 c0 cc ff ff 0f b6 44 24 18 eb c2 e8 44 ad ff ff e9 6f ff ff ff cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc <64> 48 8b 0c 25 f8 ff ff ff 48 3b 61 10 76 68 48 83 ec 28 48 89 6c [ 728.509738] RSP: 002b:00007fff9b9d3578 EFLAGS: 00010246 [ 728.515082] RAX: 0000000000000000 RBX: 00000000000a4edb RCX: 0000000000483170 [ 728.522334] RDX: 0000000000000000 RSI: 00007fff9b9d3580 RDI: 0000000000000001 [ 728.529592] RBP: 00000000000002ef R08: 0000000000000001 R09: 000000000166d940 [ 728.536846] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 728.544102] R13: 00000000000a4e70 R14: 00000000000001f1 R15: 0000000000000003 [ 728.551367] Modules linked in: [ 728.554617] ---[ end trace 9933854824df8420 ]--- [ 728.559379] RIP: 0010:put_pid.part.3+0xb6/0x240 [ 728.564069] Code: d2 0f 85 89 01 00 00 44 8b 63 04 49 8d 44 24 03 48 c1 e0 04 48 8d 7c 03 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 66 01 00 00 49 83 c4 03 be 04 00 00 00 48 89 df [ 728.582987] RSP: 0018:ffff8881ae116e78 EFLAGS: 00010202 [ 728.588335] RAX: dffffc0000000000 RBX: ffffffff816149a0 RCX: ffffffff833e420e [ 728.595626] RDX: 00000001933eab7c RSI: ffffffff8152bf8e RDI: 0000000c99f55be0 [ 728.602901] RBP: ffff8881ae116f08 R08: ffff8881cdbf2300 R09: fffff52001507600 [ 728.610154] R10: fffff52001507600 R11: ffffc9000a83b003 R12: 00000000d1894120 [ 728.617431] R13: 1ffff11035c22dd0 R14: ffff8881ae116ee0 R15: dffffc0000000000 [ 728.624710] FS: 000000000166d940(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 [ 728.632944] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 728.638813] CR2: 000000000075c458 CR3: 00000001d2bd1000 CR4: 00000000001406f0 [ 728.646094] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 728.653378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 728.660628] Kernel panic - not syncing: Fatal exception [ 728.667176] Kernel Offset: disabled [ 728.670797] Rebooting in 86400 seconds..