[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 28.321037] kauditd_printk_skb: 7 callbacks suppressed [ 28.321047] audit: type=1800 audit(1544558840.324:29): pid=5866 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 28.345324] audit: type=1800 audit(1544558840.324:30): pid=5866 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.90' (ECDSA) to the list of known hosts. 2018/12/11 20:12:56 parsed 1 programs syzkaller login: [ 365.982272] ld (6034) used greatest stack depth: 15296 bytes left 2018/12/11 20:12:58 executed programs: 0 [ 366.145286] IPVS: ftp: loaded support on port[0] = 21 [ 366.396552] bridge0: port 1(bridge_slave_0) entered blocking state [ 366.403968] bridge0: port 1(bridge_slave_0) entered disabled state [ 366.411150] device bridge_slave_0 entered promiscuous mode [ 366.430540] bridge0: port 2(bridge_slave_1) entered blocking state [ 366.437065] bridge0: port 2(bridge_slave_1) entered disabled state [ 366.444167] device bridge_slave_1 entered promiscuous mode [ 366.461652] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 366.480261] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 366.531662] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 366.552175] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 366.629113] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 366.636659] team0: Port device team_slave_0 added [ 366.653526] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 366.660649] team0: Port device team_slave_1 added [ 366.679058] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 366.697917] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 366.718110] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 366.736929] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 366.884168] bridge0: port 2(bridge_slave_1) entered blocking state [ 366.890590] bridge0: port 2(bridge_slave_1) entered forwarding state [ 366.897594] bridge0: port 1(bridge_slave_0) entered blocking state [ 366.903990] bridge0: port 1(bridge_slave_0) entered forwarding state [ 367.423871] 8021q: adding VLAN 0 to HW filter on device bond0 [ 367.476041] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 367.527536] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 367.533941] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 367.541115] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 367.594950] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/11 20:13:03 executed programs: 252 2018/12/11 20:13:08 executed programs: 628 2018/12/11 20:13:13 executed programs: 1000 2018/12/11 20:13:18 executed programs: 1370 [ 386.350967] syz-executor0 (8429) used greatest stack depth: 12032 bytes left [ 386.403704] syz-executor0 (8431) used greatest stack depth: 11824 bytes left [ 386.638047] syz-executor0 (8432) used greatest stack depth: 11064 bytes left [ 387.093088] syz-executor0 (8447) used greatest stack depth: 10264 bytes left [ 387.260055] syz-executor0 (8451) used greatest stack depth: 7544 bytes left [ 390.646429] syz-executor0 (8477) used greatest stack depth: 7480 bytes left 2018/12/11 20:13:23 executed programs: 1412 2018/12/11 20:13:30 executed programs: 1415 2018/12/11 20:13:38 executed programs: 1419 2018/12/11 20:13:45 executed programs: 1424 [ 418.003510] blkid (8498) used greatest stack depth: 6072 bytes left 2018/12/11 20:13:53 executed programs: 1427 [ 421.905015] syz-executor0 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 421.917132] syz-executor0 cpuset=syz0 mems_allowed=0 [ 421.923548] CPU: 1 PID: 6036 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #150 [ 421.930846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.940211] Call Trace: [ 421.942914] dump_stack+0x244/0x39d [ 421.946570] ? dump_stack_print_info.cold.1+0x20/0x20 [ 421.951847] ? mark_held_locks+0x130/0x130 [ 421.956189] ? mark_held_locks+0x130/0x130 [ 421.960484] dump_header+0x27b/0xf72 [ 421.964226] ? pagefault_out_of_memory+0x197/0x197 [ 421.969175] ? __lock_acquire+0x62f/0x4c20 [ 421.973432] ? print_usage_bug+0xc0/0xc0 [ 421.977512] ? zap_class+0x640/0x640 [ 421.981238] ? print_usage_bug+0xc0/0xc0 [ 421.985301] ? print_usage_bug+0xc0/0xc0 [ 421.989408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.994997] ? find_held_lock+0x36/0x1c0 [ 421.999057] ? mark_held_locks+0xc7/0x130 [ 422.003221] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 422.008334] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 422.013462] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 422.018089] ? trace_hardirqs_on+0xbd/0x310 [ 422.022458] ? kasan_check_read+0x11/0x20 [ 422.026613] ? ___ratelimit+0x3b4/0x672 [ 422.030600] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.035717] ? trace_hardirqs_on+0x310/0x310 [ 422.040138] ? lock_downgrade+0x900/0x900 [ 422.044285] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 422.049376] ? ___ratelimit+0x3b9/0x672 [ 422.053341] ? idr_get_free+0xf70/0xf70 [ 422.057299] ? kasan_check_read+0x11/0x20 [ 422.061439] ? do_raw_spin_unlock+0xa7/0x330 [ 422.065842] oom_kill_process.cold.27+0x10/0x903 [ 422.070586] ? zap_class+0x640/0x640 [ 422.074291] ? _raw_spin_unlock+0x2c/0x50 [ 422.078434] ? oom_badness+0xe6/0xaa0 [ 422.082228] ? oom_evaluate_task+0x540/0x540 [ 422.086628] ? find_held_lock+0x36/0x1c0 [ 422.090679] ? out_of_memory+0x974/0x1430 [ 422.094816] ? lock_downgrade+0x900/0x900 [ 422.099002] ? check_preemption_disabled+0x48/0x280 [ 422.104028] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.108988] ? kasan_check_read+0x11/0x20 [ 422.113122] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.118381] ? rcu_softirq_qs+0x20/0x20 [ 422.122349] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 422.127873] ? oom_evaluate_task+0x302/0x540 [ 422.132287] out_of_memory+0xa84/0x1430 [ 422.136287] ? oom_killer_disable+0x3a0/0x3a0 [ 422.140772] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 422.145734] ? __ww_mutex_check_waiters+0x160/0x160 [ 422.150743] __alloc_pages_slowpath+0x232c/0x2de0 [ 422.155714] ? warn_alloc+0x120/0x120 [ 422.159529] ? mark_held_locks+0x130/0x130 [ 422.163758] ? rcu_note_context_switch+0x12ad/0x2150 [ 422.168855] ? warn_alloc+0x120/0x120 [ 422.172646] ? __lock_acquire+0x62f/0x4c20 [ 422.176890] ? print_usage_bug+0xc0/0xc0 [ 422.180953] ? print_usage_bug+0xc0/0xc0 [ 422.185006] ? print_usage_bug+0xc0/0xc0 [ 422.189065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.194648] ? should_fail+0x22d/0xd01 [ 422.198530] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.203634] ? zap_class+0x640/0x640 [ 422.207347] ? find_held_lock+0x36/0x1c0 [ 422.211408] ? lock_release+0xa00/0xa00 [ 422.215416] ? perf_trace_sched_process_exec+0x860/0x860 [ 422.220867] ? check_preemption_disabled+0x48/0x280 [ 422.225922] ? __might_sleep+0x95/0x190 [ 422.229891] __alloc_pages_nodemask+0xad8/0xea0 [ 422.234560] ? zap_class+0x640/0x640 [ 422.238266] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 422.243282] ? find_held_lock+0x36/0x1c0 [ 422.247337] ? cache_grow_begin+0x65/0x8c0 [ 422.251661] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 422.256260] ? trace_hardirqs_on+0xbd/0x310 [ 422.260591] ? fallback_alloc+0x204/0x2e0 [ 422.264739] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.269842] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 422.275390] cache_grow_begin+0xa5/0x8c0 [ 422.279449] ? do_raw_spin_unlock+0xa7/0x330 [ 422.283871] fallback_alloc+0x204/0x2e0 [ 422.287849] ____cache_alloc_node+0x1c7/0x1e0 [ 422.292341] kmem_cache_alloc+0x1f8/0x730 [ 422.296533] ? cap_capable+0x1f9/0x260 [ 422.300485] getname_flags+0xd0/0x590 [ 422.304286] user_path_mountpoint_at+0x27/0x40 [ 422.308885] ksys_umount+0x1c5/0x12d0 [ 422.312696] ? __detach_mounts+0x430/0x430 [ 422.316923] ? lock_downgrade+0x900/0x900 [ 422.321061] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.326000] ? kasan_check_read+0x11/0x20 [ 422.330145] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.335414] ? rcu_softirq_qs+0x20/0x20 [ 422.339383] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.344490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.350035] ? check_preemption_disabled+0x48/0x280 [ 422.355047] ? kasan_check_write+0x14/0x20 [ 422.359288] ? up_read+0x225/0x2c0 [ 422.362834] ? up_read_non_owner+0x100/0x100 [ 422.367268] ? do_syscall_64+0x9a/0x820 [ 422.371241] ? do_syscall_64+0x9a/0x820 [ 422.375206] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 422.379779] ? trace_hardirqs_on+0xbd/0x310 [ 422.384094] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 422.389475] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.394581] __x64_sys_umount+0x54/0x80 [ 422.398546] do_syscall_64+0x1b9/0x820 [ 422.402420] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 422.407795] ? syscall_return_slowpath+0x5e0/0x5e0 [ 422.412726] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.417564] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.422572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.428103] ? prepare_exit_to_usermode+0x291/0x3b0 [ 422.433110] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.437949] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 422.443126] RIP: 0033:0x45a0c7 [ 422.446339] Code: Bad RIP value. [ 422.449689] RSP: 002b:00007ffe83bded28 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 422.457385] RAX: ffffffffffffffda RBX: 0000000000066ee3 RCX: 000000000045a0c7 [ 422.464640] RDX: 000000000000000c RSI: 0000000000000002 RDI: 00007ffe83bdfe60 [ 422.471913] RBP: 0000000000000691 R08: 0000000000000001 R09: 000000000231f940 [ 422.479172] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe83bdfe60 [ 422.486428] R13: 0000000000066ed6 R14: 0000000000000000 R15: 0000000000000000 [ 422.495378] Mem-Info: [ 422.498042] active_anon:3722 inactive_anon:192 isolated_anon:0 [ 422.498042] active_file:29 inactive_file:51 isolated_file:0 [ 422.498042] unevictable:0 dirty:0 writeback:0 unstable:0 [ 422.498042] slab_reclaimable:13196 slab_unreclaimable:1519680 [ 422.498042] mapped:13 shmem:244 pagetables:289 bounce:0 [ 422.498042] free:24393 free_pcp:340 free_cma:0 [ 422.531347] Node 0 active_anon:14888kB inactive_anon:768kB active_file:100kB inactive_file:256kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:44kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 422.560213] 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 [ 422.586754] lowmem_reserve[]: 0 2818 6321 6321 [ 422.605851] Node 0 DMA32 free:44064kB 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 [ 422.644387] lowmem_reserve[]: 0 0 3503 3503 [ 422.649520] Node 0 Normal free:38540kB min:37364kB low:46704kB high:56044kB active_anon:14888kB inactive_anon:768kB active_file:0kB inactive_file:208kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6016kB pagetables:1156kB bounce:0kB free_pcp:128kB local_pcp:0kB free_cma:0kB [ 422.678577] lowmem_reserve[]: 0 0 0 0 [ 422.683761] 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 [ 422.697603] Node 0 DMA32: 4*4kB (UM) 4*8kB (UME) 5*16kB (ME) 7*32kB (UME) 3*64kB (UM) 4*128kB (UME) 4*256kB (UME) 4*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 44064kB [ 422.714056] Node 0 Normal: 887*4kB (UMEH) 647*8kB (UMEH) 317*16kB (MEH) 119*32kB (UME) 69*64kB (UM) 37*128kB (UM) 24*256kB (M) 7*512kB (UM) 2*1024kB (M) 0*2048kB 0*4096kB = 38532kB [ 422.744234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 422.753505] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 422.762427] 344 total pagecache pages [ 422.767771] 0 pages in swap cache [ 422.772937] Swap cache stats: add 0, delete 0, find 0/0 [ 422.779466] Free swap = 0kB [ 422.783737] Total swap = 0kB [ 422.788279] 1965979 pages RAM [ 422.792967] 0 pages HighMem/MovableOnly [ 422.798951] 342853 pages reserved [ 422.803495] 0 pages cma reserved [ 422.808108] Unreclaimable slab info: [ 422.815104] Name Used Total [ 422.820968] pid_2 56KB 88KB [ 422.826707] TIPC 2KB 7KB [ 422.832398] SCTPv6 4KB 6KB [ 422.838027] DCCPv6 4KB 7KB [ 422.843679] DCCP 4KB 6KB [ 422.849254] bridge_fdb_cache 1KB 3KB [ 422.855260] fib6_nodes 13KB 16KB [ 422.862357] ip6_dst_cache 20KB 48KB [ 422.867762] RAWv6 19KB 19KB [ 422.874997] UDPv6 3KB 3KB [ 422.881228] TCPv6 8KB 11KB [ 422.887130] nf_conntrack 0KB 3KB [ 422.893787] sd_ext_cdb 0KB 3KB [ 422.899169] scsi_sense_cache 1056KB 1060KB [ 422.905533] virtio_scsi_cmd 16KB 16KB [ 422.911267] sgpool-128 8KB 8KB [ 422.917563] sgpool-64 4KB 6KB [ 422.924222] sgpool-32 2KB 7KB [ 422.929609] sgpool-16 1KB 3KB [ 422.935063] sgpool-8 0KB 3KB [ 422.940424] mqueue_inode_cache 2KB 7KB [ 422.945902] bio_post_read_ctx 14KB 15KB [ 422.951270] bio-2 14KB 15KB [ 422.956660] jfs_mp 7KB 7KB [ 422.962049] nfs_commit_data 3KB 7KB [ 422.967402] nfs_write_data 32KB 32KB [ 422.972799] ext4_system_zone 0KB 3KB [ 422.978166] bio-1 1KB 3KB [ 422.983552] pid_namespace 0KB 3KB [ 422.988972] rpc_buffers 17KB 19KB [ 422.994393] rpc_tasks 2KB 3KB [ 422.999766] UNIX 9KB 14KB [ 423.005230] tcp_bind_bucket 0KB 4KB [ 423.010933] ip_fib_trie 2KB 3KB [ 423.016509] ip_fib_alias 9KB 11KB [ 423.022153] ip_dst_cache 0KB 8KB [ 423.027665] RAW 11KB 14KB [ 423.033277] UDP 8KB 19KB [ 423.038870] TCP 5KB 5KB [ 423.049868] hugetlbfs_inode_cache 2KB 7KB [ 423.056550] fscache_cookie_jar 1KB 7KB [ 423.064756] eventpoll_pwq 25KB 39KB [ 423.070994] eventpoll_epi 46KB 66KB [ 423.081302] inotify_inode_mark 49KB 70KB [ 423.087643] request_queue 164KB 164KB [ 423.094607] blkdev_ioc 14KB 23KB [ 423.101292] bio-0 13106KB 13106KB [ 423.108103] biovec-max 2277KB 2277KB [ 423.113760] biovec-64 15348KB 15348KB [ 423.119297] biovec-16 3221KB 3221KB [ 423.124932] bio_integrity_payload 1KB 3KB [ 423.130874] khugepaged_mm_slot 23KB 34KB [ 423.136721] dmaengine-unmap-256 2KB 6KB [ 423.142511] dmaengine-unmap-128 1KB 3KB [ 423.148258] dmaengine-unmap-16 0KB 4KB [ 423.153991] dmaengine-unmap-2 0KB 3KB [ 423.159532] skbuff_fclone_cache 11KB 11KB [ 423.165414] skbuff_head_cache 394KB 971KB [ 423.170952] configfs_dir_cache 0KB 4KB [ 423.176800] file_lock_cache 0KB 3KB [ 423.182373] file_lock_ctx 0KB 3KB [ 423.187887] fsnotify_mark_connector 28KB 43KB [ 423.194037] net_namespace 8KB 8KB [ 423.199522] shmem_inode_cache 5690KB 5846KB [ 423.205057] task_delay_info 83KB 445KB [ 423.210572] proc_dir_entry 320KB 326KB [ 423.216233] pde_opener 0KB 3KB [ 423.229669] seq_file 262KB 795KB [ 423.242431] sigqueue 73KB 208KB [ 423.259520] kernfs_node_cache 8043KB 8048KB [ 423.264982] mnt_cache 29KB 32KB [ 423.270491] filp 3456KB 6513KB [ 423.276063] names_cache 101893KB 101902KB [ 423.281528] iint_cache 86KB 87KB [ 423.287080] inode_smack 6176KB 6299KB [ 423.292628] key_jar 3KB 7KB [ 423.298107] uts_namespace 0KB 3KB [ 423.303597] nsproxy 0KB 3KB [ 423.309045] vm_area_struct 5745KB 9818KB [ 423.314583] mm_struct 791KB 2255KB [ 423.320221] fs_cache 63KB 412KB [ 423.325832] files_cache 237KB 697KB [ 423.331366] signal_cache 593KB 1660KB [ 423.337004] sighand_cache 416KB 513KB [ 423.342547] task_struct 2623KB 2679KB [ 423.348114] cred_jar 473KB 1912KB [ 423.354650] anon_vma_chain 3592KB 6477KB [ 423.360264] anon_vma 125KB 392KB [ 423.365886] pid 53KB 336KB [ 423.371566] Acpi-Operand 106KB 162KB [ 423.377191] Acpi-Namespace 19KB 23KB [ 423.382736] numa_policy 0KB 3KB [ 423.388224] debug_objects_cache 813KB 900KB [ 423.394019] trace_event_file 260KB 262KB [ 423.399619] ftrace_event_field 376KB 378KB [ 423.405334] pool_workqueue 72KB 72KB [ 423.411055] task_group 0KB 3KB [ 423.416670] page->ptl 1127KB 2984KB [ 423.422281] kmalloc-4M 5697536KB 5697536KB [ 423.427832] kmalloc-2M 2050KB 2050KB [ 423.433357] kmalloc-512k 2056KB 2056KB [ 423.438935] kmalloc-256k 1290KB 1290KB [ 423.444524] kmalloc-128k 650KB 650KB [ 423.449999] kmalloc-64k 330KB 330KB [ 423.455684] kmalloc-32k 726KB 726KB [ 423.461175] kmalloc-16k 214KB 214KB [ 423.466665] kmalloc-8k 882KB 882KB [ 423.472255] kmalloc-4k 12835KB 12873KB [ 423.477764] kmalloc-2k 4494KB 4845KB [ 423.483896] kmalloc-1k 2553KB 3354KB [ 423.489361] kmalloc-512 2097KB 3371KB [ 423.494908] kmalloc-256 5265KB 5280KB [ 423.500451] kmalloc-128 740KB 842KB [ 423.506527] kmalloc-96 1827KB 2296KB [ 423.512046] kmalloc-64 2834KB 3056KB [ 423.517630] kmalloc-32 1830KB 2075KB [ 423.523324] kmalloc-192 2522KB 4300KB [ 423.528954] kmem_cache 171KB 176KB [ 423.541048] Out of memory: Kill process 6023 (syz-execprog) score 1 or sacrifice child [ 423.552167] Killed process 6035 (syz-executor0) total-vm:37444kB, anon-rss:68kB, file-rss:0kB, shmem-rss:0kB 2018/12/11 20:13:57 result: failed=false hanged=false err=executor 0: 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 [ 425.596229] IPVS: ftp: loaded support on port[0] = 21 [ 425.933781] device bridge_slave_1 left promiscuous mode [ 425.940345] bridge0: port 2(bridge_slave_1) entered disabled state [ 426.005166] device bridge_slave_0 left promiscuous mode [ 426.010641] bridge0: port 1(bridge_slave_0) entered disabled state [ 426.075703] team0 (unregistering): Port device team_slave_1 removed [ 426.085635] team0 (unregistering): Port device team_slave_0 removed [ 426.096918] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 426.165860] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 426.220599] bond0 (unregistering): Released all slaves [ 426.462971] bridge0: port 1(bridge_slave_0) entered blocking state [ 426.469439] bridge0: port 1(bridge_slave_0) entered disabled state [ 426.477008] device bridge_slave_0 entered promiscuous mode [ 426.505766] bridge0: port 2(bridge_slave_1) entered blocking state [ 426.512365] bridge0: port 2(bridge_slave_1) entered disabled state [ 426.519671] device bridge_slave_1 entered promiscuous mode [ 426.545927] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 426.573589] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 426.655305] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 426.685486] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 426.812066] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 426.819452] team0: Port device team_slave_0 added [ 426.845162] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 426.852575] team0: Port device team_slave_1 added [ 426.879804] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 426.908904] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 426.938599] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 426.946270] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 426.959066] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 426.985710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 427.240673] bridge0: port 2(bridge_slave_1) entered blocking state [ 427.247125] bridge0: port 2(bridge_slave_1) entered forwarding state [ 427.253820] bridge0: port 1(bridge_slave_0) entered blocking state [ 427.260234] bridge0: port 1(bridge_slave_0) entered forwarding state [ 427.944113] 8021q: adding VLAN 0 to HW filter on device bond0 [ 427.996296] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 428.050957] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 428.057183] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 428.064809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 428.113747] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/11 20:14:00 executed programs: 1430 2018/12/11 20:14:05 executed programs: 1798 2018/12/11 20:14:10 executed programs: 2175 2018/12/11 20:14:15 executed programs: 2546 2018/12/11 20:14:20 executed programs: 2841 2018/12/11 20:14:26 executed programs: 2846 2018/12/11 20:14:32 executed programs: 2848 2018/12/11 20:14:39 executed programs: 2850 2018/12/11 20:14:45 executed programs: 2853 2018/12/11 20:14:52 executed programs: 2856 [ 481.314163] syz-executor0 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 481.328260] syz-executor0 cpuset=syz0 mems_allowed=0 [ 481.336896] CPU: 0 PID: 8505 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #150 [ 481.344216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 481.353582] Call Trace: [ 481.356168] dump_stack+0x244/0x39d [ 481.359839] ? dump_stack_print_info.cold.1+0x20/0x20 [ 481.365032] ? mark_held_locks+0x130/0x130 [ 481.369254] ? mark_held_locks+0x130/0x130 [ 481.373481] dump_header+0x27b/0xf72 [ 481.377195] ? pagefault_out_of_memory+0x197/0x197 [ 481.382124] ? mark_held_locks+0x130/0x130 [ 481.386348] ? __lock_acquire+0x62f/0x4c20 [ 481.390658] ? percpu_ref_get_many+0x240/0x240 [ 481.395268] ? print_usage_bug+0xc0/0xc0 [ 481.399323] ? zap_class+0x640/0x640 [ 481.403025] ? print_usage_bug+0xc0/0xc0 [ 481.407088] ? print_usage_bug+0xc0/0xc0 [ 481.411148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 481.416693] ? find_held_lock+0x36/0x1c0 [ 481.420763] ? mark_held_locks+0xc7/0x130 [ 481.424910] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 481.430021] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 481.435126] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 481.439723] ? trace_hardirqs_on+0xbd/0x310 [ 481.444051] ? kasan_check_read+0x11/0x20 [ 481.448194] ? ___ratelimit+0x3b4/0x672 [ 481.452171] ? trace_hardirqs_off_caller+0x310/0x310 [ 481.457262] ? trace_hardirqs_on+0x310/0x310 [ 481.461660] ? lock_downgrade+0x900/0x900 [ 481.465799] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 481.470888] ? ___ratelimit+0x3b9/0x672 [ 481.474851] ? idr_get_free+0xf70/0xf70 [ 481.478811] ? kasan_check_read+0x11/0x20 [ 481.482960] ? do_raw_spin_unlock+0xa7/0x330 [ 481.487369] oom_kill_process.cold.27+0x10/0x903 [ 481.492109] ? zap_class+0x640/0x640 [ 481.495805] ? _raw_spin_unlock+0x2c/0x50 [ 481.500331] ? oom_badness+0xe6/0xaa0 [ 481.504125] ? oom_evaluate_task+0x540/0x540 [ 481.508540] ? find_held_lock+0x36/0x1c0 [ 481.512612] ? out_of_memory+0x974/0x1430 [ 481.516932] ? lock_downgrade+0x900/0x900 [ 481.521082] ? check_preemption_disabled+0x48/0x280 [ 481.526085] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 481.531016] ? kasan_check_read+0x11/0x20 [ 481.535166] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 481.540431] ? rcu_softirq_qs+0x20/0x20 [ 481.544411] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 481.549935] ? oom_evaluate_task+0x302/0x540 [ 481.554336] out_of_memory+0xa84/0x1430 [ 481.558320] ? oom_killer_disable+0x3a0/0x3a0 [ 481.562808] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 481.567749] ? __ww_mutex_check_waiters+0x160/0x160 [ 481.572767] __alloc_pages_slowpath+0x232c/0x2de0 [ 481.577608] ? warn_alloc+0x120/0x120 [ 481.581396] ? mark_held_locks+0x130/0x130 [ 481.585807] ? rcu_note_context_switch+0x12ad/0x2150 [ 481.590928] ? warn_alloc+0x120/0x120 [ 481.594731] ? __lock_acquire+0x62f/0x4c20 [ 481.598958] ? print_usage_bug+0xc0/0xc0 [ 481.603026] ? print_usage_bug+0xc0/0xc0 [ 481.607081] ? print_usage_bug+0xc0/0xc0 [ 481.611145] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 481.616675] ? should_fail+0x22d/0xd01 [ 481.620639] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 481.625786] ? zap_class+0x640/0x640 [ 481.629584] ? find_held_lock+0x36/0x1c0 [ 481.633648] ? lock_release+0xa00/0xa00 [ 481.637614] ? perf_trace_sched_process_exec+0x860/0x860 [ 481.643678] ? check_preemption_disabled+0x48/0x280 [ 481.648706] ? __might_sleep+0x95/0x190 [ 481.652695] __alloc_pages_nodemask+0xad8/0xea0 [ 481.657456] ? zap_class+0x640/0x640 [ 481.661167] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 481.666175] ? find_held_lock+0x36/0x1c0 [ 481.670841] ? cache_grow_begin+0x65/0x8c0 [ 481.675089] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 481.679689] ? trace_hardirqs_on+0xbd/0x310 [ 481.684020] ? fallback_alloc+0x204/0x2e0 [ 481.688164] ? trace_hardirqs_off_caller+0x310/0x310 [ 481.693259] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 481.698798] cache_grow_begin+0xa5/0x8c0 [ 481.702860] ? do_raw_spin_unlock+0xa7/0x330 [ 481.707277] fallback_alloc+0x204/0x2e0 [ 481.711243] ____cache_alloc_node+0x1c7/0x1e0 [ 481.715729] kmem_cache_alloc+0x1f8/0x730 [ 481.719866] ? cap_capable+0x1f9/0x260 [ 481.723768] getname_flags+0xd0/0x590 [ 481.727564] user_path_mountpoint_at+0x27/0x40 [ 481.732175] ksys_umount+0x1c5/0x12d0 [ 481.736003] ? __detach_mounts+0x430/0x430 [ 481.740233] ? lock_downgrade+0x900/0x900 [ 481.744373] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 481.749300] ? kasan_check_read+0x11/0x20 [ 481.753450] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 481.758734] ? rcu_softirq_qs+0x20/0x20 [ 481.763131] ? trace_hardirqs_off_caller+0x310/0x310 [ 481.768225] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 481.773769] ? check_preemption_disabled+0x48/0x280 [ 481.778797] ? kasan_check_write+0x14/0x20 [ 481.783034] ? up_read+0x225/0x2c0 [ 481.786561] ? up_read_non_owner+0x100/0x100 [ 481.791021] ? do_syscall_64+0x9a/0x820 [ 481.794985] ? do_syscall_64+0x9a/0x820 [ 481.798963] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 481.803593] ? trace_hardirqs_on+0xbd/0x310 [ 481.807922] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 481.813276] ? trace_hardirqs_off_caller+0x310/0x310 [ 481.818396] __x64_sys_umount+0x54/0x80 [ 481.822376] do_syscall_64+0x1b9/0x820 [ 481.826252] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 481.831604] ? syscall_return_slowpath+0x5e0/0x5e0 [ 481.836525] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 481.841357] ? trace_hardirqs_on_caller+0x310/0x310 [ 481.846376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 481.851944] ? prepare_exit_to_usermode+0x291/0x3b0 [ 481.856965] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 481.861802] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 481.866977] RIP: 0033:0x45a0c7 [ 481.870167] Code: 44 00 00 b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 9d 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 481.889071] RSP: 002b:00007fff9f9aedd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 481.896780] RAX: ffffffffffffffda RBX: 0000000000075794 RCX: 000000000045a0c7 [ 481.904040] RDX: 000000000000000c RSI: 0000000000000002 RDI: 00007fff9f9aff10 [ 481.911321] RBP: 0000000000000691 R08: 0000000000000001 R09: 0000000002a36940 [ 481.918577] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9f9aff10 [ 481.925837] R13: 0000000000075704 R14: 0000000000000000 R15: 0000000000000000 [ 481.937044] Mem-Info: [ 481.940440] active_anon:3731 inactive_anon:191 isolated_anon:0 [ 481.940440] active_file:94 inactive_file:151 isolated_file:32 [ 481.940440] unevictable:0 dirty:2 writeback:0 unstable:0 [ 481.940440] slab_reclaimable:12585 slab_unreclaimable:1519721 [ 481.940440] mapped:207 shmem:244 pagetables:289 bounce:0 [ 481.940440] free:24792 free_pcp:189 free_cma:0 [ 481.973586] Node 0 active_anon:14924kB inactive_anon:764kB active_file:408kB inactive_file:628kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:840kB dirty:8kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 482.001002] 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 [ 482.028072] lowmem_reserve[]: 0 2818 6321 6321 [ 482.032770] Node 0 DMA32 free:44064kB 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 [ 482.071835] lowmem_reserve[]: 0 0 3503 3503 [ 482.076574] Node 0 Normal free:39448kB min:37364kB low:46704kB high:56044kB active_anon:14924kB inactive_anon:764kB active_file:844kB inactive_file:756kB unevictable:0kB writepending:8kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6048kB pagetables:1156kB bounce:0kB free_pcp:48kB local_pcp:0kB free_cma:0kB [ 482.105524] lowmem_reserve[]: 0 0 0 0 [ 482.109419] 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 [ 482.124048] Node 0 DMA32: 6*4kB (UME) 5*8kB (UME) 6*16kB (UME) 6*32kB (ME) 3*64kB (UM) 4*128kB (UME) 8*256kB (UME) 4*512kB (UME) 6*1024kB (UME) 4*2048kB (UME) 6*4096kB (M) = 44064kB [ 482.141467] Node 0 Normal: 926*4kB (UMEH) 728*8kB (UMEH) 402*16kB (UMEH) 148*32kB (UMEH) 65*64kB (MEH) 35*128kB (ME) 24*256kB (UM) 5*512kB (UM) 1*1024kB (U) 0*2048kB 0*4096kB = 39064kB [ 482.158607] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 482.167775] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 482.176553] 603 total pagecache pages [ 482.180541] 0 pages in swap cache [ 482.186603] Swap cache stats: add 0, delete 0, find 0/0 [ 482.199855] Free swap = 0kB [ 482.206952] Total swap = 0kB [ 482.212531] 1965979 pages RAM [ 482.215658] 0 pages HighMem/MovableOnly [ 482.219633] 342853 pages reserved [ 482.224000] 0 pages cma reserved [ 482.227387] Unreclaimable slab info: [ 482.231104] Name Used Total [ 482.236708] pid_2 58KB 88KB [ 482.242206] TIPC 2KB 7KB [ 482.247800] SCTPv6 4KB 6KB [ 482.253221] DCCPv6 4KB 7KB [ 482.258597] DCCP 4KB 6KB [ 482.264103] bridge_fdb_cache 1KB 7KB [ 482.269477] fib6_nodes 13KB 28KB [ 482.274871] ip6_dst_cache 15KB 48KB [ 482.280225] RAWv6 19KB 32KB [ 482.285604] UDPv6 3KB 3KB [ 482.290957] TCPv6 8KB 11KB [ 482.296474] nf_conntrack 0KB 3KB [ 482.301867] sd_ext_cdb 0KB 3KB [ 482.307237] scsi_sense_cache 1056KB 1060KB [ 482.312632] virtio_scsi_cmd 16KB 16KB [ 482.317998] sgpool-128 8KB 8KB [ 482.323384] sgpool-64 4KB 6KB [ 482.328739] sgpool-32 2KB 7KB [ 482.334158] sgpool-16 1KB 3KB [ 482.339523] sgpool-8 0KB 3KB [ 482.344957] mqueue_inode_cache 2KB 7KB [ 482.350434] bio_post_read_ctx 14KB 15KB [ 482.355871] bio-2 14KB 15KB [ 482.362785] jfs_mp 7KB 7KB [ 482.368194] nfs_commit_data 3KB 7KB [ 482.373630] nfs_write_data 32KB 32KB [ 482.379032] ext4_system_zone 0KB 3KB [ 482.384481] bio-1 1KB 3KB [ 482.389867] pid_namespace 0KB 3KB [ 482.395385] rpc_buffers 17KB 19KB [ 482.400767] rpc_tasks 2KB 3KB [ 482.406203] UNIX 9KB 14KB [ 482.411583] tcp_bind_bucket 0KB 4KB [ 482.417007] ip_fib_trie 2KB 7KB [ 482.422434] ip_fib_alias 9KB 23KB [ 482.427807] ip_dst_cache 0KB 8KB [ 482.433274] RAW 11KB 21KB [ 482.438651] UDP 8KB 13KB [ 482.447848] TCP 5KB 5KB [ 482.453439] hugetlbfs_inode_cache 2KB 7KB [ 482.459166] fscache_cookie_jar 1KB 7KB [ 482.464838] eventpoll_pwq 24KB 43KB [ 482.470216] eventpoll_epi 46KB 74KB [ 482.475716] inotify_inode_mark 49KB 70KB [ 482.481180] request_queue 164KB 164KB [ 482.486857] blkdev_ioc 12KB 23KB [ 482.492410] bio-0 13350KB 13350KB [ 482.497806] biovec-max 1864KB 1864KB [ 482.503331] biovec-64 17309KB 17309KB [ 482.508703] biovec-16 3420KB 3420KB [ 482.514212] bio_integrity_payload 1KB 3KB [ 482.519933] khugepaged_mm_slot 26KB 34KB [ 482.525453] dmaengine-unmap-256 2KB 6KB [ 482.531005] dmaengine-unmap-128 1KB 3KB [ 482.536645] dmaengine-unmap-16 0KB 4KB [ 482.542163] dmaengine-unmap-2 0KB 3KB [ 482.547548] skbuff_fclone_cache 7KB 7KB [ 482.553251] skbuff_head_cache 398KB 933KB [ 482.558625] configfs_dir_cache 0KB 4KB [ 482.565766] file_lock_cache 0KB 3KB [ 482.571142] file_lock_ctx 0KB 3KB [ 482.576662] fsnotify_mark_connector 28KB 43KB [ 482.583222] net_namespace 8KB 8KB [ 482.588605] shmem_inode_cache 5684KB 5907KB [ 482.594228] task_delay_info 83KB 425KB [ 482.599668] proc_dir_entry 320KB 326KB [ 482.611591] pde_opener 0KB 3KB [ 482.617134] seq_file 258KB 748KB [ 482.622671] sigqueue 75KB 204KB [ 482.628042] kernfs_node_cache 8043KB 8044KB [ 482.633512] mnt_cache 29KB 36KB [ 482.638892] filp 3397KB 6288KB [ 482.644332] names_cache 102879KB 102879KB [ 482.649697] iint_cache 27KB 63KB [ 482.655088] inode_smack 6037KB 6275KB [ 482.660445] key_jar 3KB 7KB [ 482.666285] uts_namespace 0KB 3KB [ 482.671654] nsproxy 0KB 3KB [ 482.677620] vm_area_struct 5666KB 9300KB [ 482.684170] mm_struct 809KB 1813KB [ 482.689564] fs_cache 63KB 380KB [ 482.695076] files_cache 236KB 521KB [ 482.700456] signal_cache 598KB 1415KB [ 482.705880] sighand_cache 420KB 513KB [ 482.711689] task_struct 2635KB 2691KB [ 482.717869] cred_jar 473KB 1700KB [ 482.723878] anon_vma_chain 3535KB 6051KB [ 482.730419] anon_vma 131KB 392KB [ 482.735869] pid 53KB 320KB [ 482.741237] Acpi-Operand 106KB 162KB [ 482.747486] Acpi-Namespace 19KB 23KB [ 482.753219] numa_policy 0KB 3KB [ 482.759371] debug_objects_cache 970KB 970KB [ 482.765813] trace_event_file 260KB 262KB [ 482.772038] ftrace_event_field 376KB 378KB [ 482.777511] pool_workqueue 72KB 80KB [ 482.782932] task_group 0KB 3KB [ 482.788301] page->ptl 1140KB 2945KB [ 482.793742] kmalloc-4M 5697536KB 5697536KB [ 482.799126] kmalloc-2M 2050KB 2050KB [ 482.804579] kmalloc-512k 2056KB 2056KB [ 482.809946] kmalloc-256k 1290KB 1290KB [ 482.815389] kmalloc-128k 650KB 650KB [ 482.820768] kmalloc-64k 330KB 330KB [ 482.826315] kmalloc-32k 726KB 726KB [ 482.831686] kmalloc-16k 214KB 214KB [ 482.837128] kmalloc-8k 882KB 882KB [ 482.842895] kmalloc-4k 12431KB 12469KB [ 482.848818] kmalloc-2k 4502KB 4876KB [ 482.854903] kmalloc-1k 2559KB 3307KB [ 482.860279] kmalloc-512 2113KB 3195KB [ 482.865734] kmalloc-256 5007KB 5047KB [ 482.871338] kmalloc-128 769KB 846KB [ 482.876886] kmalloc-96 1909KB 2228KB [ 482.883122] kmalloc-64 2862KB 3060KB [ 482.894915] kmalloc-32 1864KB 2067KB [ 482.905823] kmalloc-192 2536KB 4252KB [ 482.913432] kmem_cache 171KB 176KB [ 482.918828] Out of memory: Kill process 6023 (syz-execprog) score 1 or sacrifice child [ 482.927817] Killed process 8504 (syz-executor0) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB 2018/12/11 20:14:56 result: failed=false hanged=false err=executor 0: 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 [ 485.018677] IPVS: ftp: loaded support on port[0] = 21 [ 485.332352] device bridge_slave_1 left promiscuous mode [ 485.338413] bridge0: port 2(bridge_slave_1) entered disabled state [ 485.403545] device bridge_slave_0 left promiscuous mode [ 485.409008] bridge0: port 1(bridge_slave_0) entered disabled state [ 485.490256] team0 (unregistering): Port device team_slave_1 removed [ 485.500597] team0 (unregistering): Port device team_slave_0 removed [ 485.510355] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 485.535538] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 485.600418] bond0 (unregistering): Released all slaves [ 485.919868] bridge0: port 1(bridge_slave_0) entered blocking state [ 485.926433] bridge0: port 1(bridge_slave_0) entered disabled state [ 485.934919] device bridge_slave_0 entered promiscuous mode [ 485.961416] bridge0: port 2(bridge_slave_1) entered blocking state [ 485.968031] bridge0: port 2(bridge_slave_1) entered disabled state [ 485.975758] device bridge_slave_1 entered promiscuous mode [ 486.003955] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 486.031461] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 486.113348] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 486.142582] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 486.266259] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 486.273801] team0: Port device team_slave_0 added [ 486.300331] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 486.308546] team0: Port device team_slave_1 added [ 486.334415] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 486.365323] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 486.395937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 486.425524] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 486.677649] bridge0: port 2(bridge_slave_1) entered blocking state [ 486.684081] bridge0: port 2(bridge_slave_1) entered forwarding state [ 486.690740] bridge0: port 1(bridge_slave_0) entered blocking state [ 486.697145] bridge0: port 1(bridge_slave_0) entered forwarding state [ 487.329147] 8021q: adding VLAN 0 to HW filter on device bond0 [ 487.383221] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 487.435472] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 487.441610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 487.449289] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 487.506839] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/11 20:14:59 executed programs: 2859 2018/12/11 20:15:04 executed programs: 3219 2018/12/11 20:15:09 executed programs: 3574 2018/12/11 20:15:14 executed programs: 3936 2018/12/11 20:15:19 executed programs: 4264 2018/12/11 20:15:26 executed programs: 4277 2018/12/11 20:15:32 executed programs: 4280 2018/12/11 20:15:37 executed programs: 4283 [ 532.928397] udevd invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=-1000 [ 532.940096] udevd cpuset=/ mems_allowed=0 [ 532.946999] CPU: 1 PID: 6003 Comm: udevd Not tainted 4.20.0-rc6+ #150 [ 532.953600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 532.962961] Call Trace: [ 532.965572] dump_stack+0x244/0x39d [ 532.969226] ? dump_stack_print_info.cold.1+0x20/0x20 [ 532.974442] ? mark_held_locks+0x130/0x130 [ 532.978691] ? mark_held_locks+0x130/0x130 [ 532.982992] dump_header+0x27b/0xf72 [ 532.986770] ? pagefault_out_of_memory+0x197/0x197 [ 532.991716] ? mark_held_locks+0x130/0x130 [ 532.995961] ? __lock_acquire+0x62f/0x4c20 [ 533.000385] ? percpu_ref_get_many+0x240/0x240 [ 533.004988] ? print_usage_bug+0xc0/0xc0 [ 533.009076] ? zap_class+0x640/0x640 [ 533.012812] ? print_usage_bug+0xc0/0xc0 [ 533.016879] ? print_usage_bug+0xc0/0xc0 [ 533.020975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 533.026526] ? find_held_lock+0x36/0x1c0 [ 533.030610] ? mark_held_locks+0xc7/0x130 [ 533.034772] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 533.039891] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 533.045019] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 533.049618] ? trace_hardirqs_on+0xbd/0x310 [ 533.053956] ? kasan_check_read+0x11/0x20 [ 533.058116] ? ___ratelimit+0x3b4/0x672 [ 533.062117] ? trace_hardirqs_off_caller+0x310/0x310 [ 533.067249] ? trace_hardirqs_on+0x310/0x310 [ 533.071705] ? lock_downgrade+0x900/0x900 [ 533.075880] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 533.081001] ? ___ratelimit+0x3b9/0x672 [ 533.084998] ? idr_get_free+0xf70/0xf70 [ 533.088985] ? kasan_check_read+0x11/0x20 [ 533.093156] ? do_raw_spin_unlock+0xa7/0x330 [ 533.097590] oom_kill_process.cold.27+0x10/0x903 [ 533.102358] ? zap_class+0x640/0x640 [ 533.106095] ? _raw_spin_unlock+0x2c/0x50 [ 533.110266] ? oom_badness+0xe6/0xaa0 [ 533.114094] ? oom_evaluate_task+0x540/0x540 [ 533.118535] ? find_held_lock+0x36/0x1c0 [ 533.122620] ? out_of_memory+0x974/0x1430 [ 533.126789] ? lock_downgrade+0x900/0x900 [ 533.130959] ? check_preemption_disabled+0x48/0x280 [ 533.136018] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 533.140980] ? kasan_check_read+0x11/0x20 [ 533.145232] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 533.150523] ? rcu_softirq_qs+0x20/0x20 [ 533.154513] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 533.160053] ? oom_evaluate_task+0x302/0x540 [ 533.164485] out_of_memory+0xa84/0x1430 [ 533.168508] ? oom_killer_disable+0x3a0/0x3a0 [ 533.173013] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 533.177941] ? __ww_mutex_check_waiters+0x160/0x160 [ 533.182956] __alloc_pages_slowpath+0x232c/0x2de0 [ 533.187930] ? warn_alloc+0x120/0x120 [ 533.191718] ? mark_held_locks+0x130/0x130 [ 533.195938] ? kasan_check_read+0x11/0x20 [ 533.200072] ? warn_alloc+0x120/0x120 [ 533.203860] ? print_usage_bug+0xc0/0xc0 [ 533.207917] ? print_usage_bug+0xc0/0xc0 [ 533.211978] ? print_usage_bug+0xc0/0xc0 [ 533.216056] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 533.221579] ? should_fail+0x22d/0xd01 [ 533.225453] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 533.230563] ? zap_class+0x640/0x640 [ 533.234295] ? find_held_lock+0x36/0x1c0 [ 533.238362] ? lock_release+0xa00/0xa00 [ 533.242332] ? perf_trace_sched_process_exec+0x860/0x860 [ 533.247793] ? check_preemption_disabled+0x48/0x280 [ 533.252835] ? __might_sleep+0x95/0x190 [ 533.256920] __alloc_pages_nodemask+0xad8/0xea0 [ 533.261602] ? zap_class+0x640/0x640 [ 533.265340] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 533.270387] ? find_held_lock+0x36/0x1c0 [ 533.274466] ? cache_grow_begin+0x65/0x8c0 [ 533.278720] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 533.283320] ? trace_hardirqs_on+0xbd/0x310 [ 533.287656] ? fallback_alloc+0x204/0x2e0 [ 533.291822] ? trace_hardirqs_off_caller+0x310/0x310 [ 533.296948] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 533.302504] cache_grow_begin+0xa5/0x8c0 [ 533.306581] ? do_raw_spin_unlock+0xa7/0x330 [ 533.311002] fallback_alloc+0x204/0x2e0 [ 533.314998] ____cache_alloc_node+0x1c7/0x1e0 [ 533.319511] kmem_cache_alloc+0x1f8/0x730 [ 533.323685] getname_flags+0xd0/0x590 [ 533.327484] ? lock_downgrade+0x900/0x900 [ 533.331632] user_path_at_empty+0x2d/0x50 [ 533.335799] vfs_statx+0x129/0x210 [ 533.339351] ? vfs_statx_fd+0xc0/0xc0 [ 533.343149] ? kasan_check_write+0x14/0x20 [ 533.347374] __do_sys_newstat+0x8f/0x110 [ 533.351437] ? cp_new_stat+0xa50/0xa50 [ 533.355320] ? do_syscall_64+0x9a/0x820 [ 533.359280] ? do_syscall_64+0x9a/0x820 [ 533.364020] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 533.368596] ? trace_hardirqs_on+0xbd/0x310 [ 533.372904] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 533.378255] ? trace_hardirqs_off_caller+0x310/0x310 [ 533.383364] __x64_sys_newstat+0x54/0x80 [ 533.387440] do_syscall_64+0x1b9/0x820 [ 533.391341] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 533.396730] ? syscall_return_slowpath+0x5e0/0x5e0 [ 533.401677] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 533.406537] ? trace_hardirqs_on_caller+0x310/0x310 [ 533.411568] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 533.417126] ? prepare_exit_to_usermode+0x291/0x3b0 [ 533.422165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 533.427024] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 533.432222] RIP: 0033:0x7f0ee380fc65 [ 533.435952] Code: Bad RIP value. [ 533.439322] RSP: 002b:00007ffe4943ba48 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 533.447037] RAX: ffffffffffffffda RBX: 0000000000000700 RCX: 00007f0ee380fc65 [ 533.454320] RDX: 00007ffe4943bab0 RSI: 00007ffe4943bab0 RDI: 00007ffe4943c340 [ 533.461603] RBP: 00000000000003e9 R08: 00000000016d74f0 R09: 00007f0ee38663d0 [ 533.468886] R10: 7269762f73656369 R11: 0000000000000246 R12: 00000000016d74f0 [ 533.476177] R13: 0000000000000001 R14: 0000000000000000 R15: 00000000016f1c99 [ 533.483547] Mem-Info: [ 533.485988] active_anon:3768 inactive_anon:190 isolated_anon:0 [ 533.485988] active_file:40 inactive_file:79 isolated_file:0 [ 533.485988] unevictable:0 dirty:4 writeback:0 unstable:0 [ 533.485988] slab_reclaimable:12690 slab_unreclaimable:1520467 [ 533.485988] mapped:56 shmem:244 pagetables:290 bounce:0 [ 533.485988] free:24608 free_pcp:174 free_cma:0 [ 533.519178] Node 0 active_anon:15072kB inactive_anon:760kB active_file:652kB inactive_file:596kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:968kB dirty:16kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 533.546740] 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 [ 533.572944] lowmem_reserve[]: 0 2818 6321 6321 [ 533.577727] Node 0 DMA32 free:44064kB 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 [ 533.604968] lowmem_reserve[]: 0 0 3503 3503 2018/12/11 20:15:45 executed programs: 4285 [ 533.609311] Node 0 Normal free:39132kB min:37364kB low:46704kB high:56044kB active_anon:15072kB inactive_anon:760kB active_file:56kB inactive_file:80kB unevictable:0kB writepending:36kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6048kB pagetables:1160kB bounce:0kB free_pcp:136kB local_pcp:0kB free_cma:0kB [ 533.638213] lowmem_reserve[]: 0 0 0 0 [ 533.642088] 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 [ 533.656017] Node 0 DMA32: 4*4kB (ME) 4*8kB (ME) 5*16kB (ME) 7*32kB (UME) 3*64kB (UM) 4*128kB (UME) 6*256kB (UME) 5*512kB (UME) 6*1024kB (UME) 4*2048kB (UME) 6*4096kB (M) = 44064kB [ 533.673019] Node 0 Normal: 347*4kB (UMEH) 290*8kB (MEH) 120*16kB (MEH) 33*32kB (MEH) 24*64kB (MEH) 8*128kB (ME) 8*256kB (UM) 11*512kB (UM) 4*1024kB (M) 4*2048kB (M) 2*4096kB (M) = 37404kB [ 533.690016] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 533.698930] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 533.707572] 463 total pagecache pages [ 533.711394] 0 pages in swap cache [ 533.714900] Swap cache stats: add 0, delete 0, find 0/0 [ 533.720266] Free swap = 0kB [ 533.723342] Total swap = 0kB [ 533.726359] 1965979 pages RAM [ 533.729468] 0 pages HighMem/MovableOnly [ 533.733495] 342853 pages reserved [ 533.736944] 0 pages cma reserved [ 533.740306] Unreclaimable slab info: [ 533.744104] Name Used Total [ 533.749651] pid_2 59KB 88KB [ 533.755122] TIPC 2KB 7KB [ 533.760500] SCTPv6 4KB 6KB [ 533.766163] DCCPv6 4KB 7KB [ 533.771541] DCCP 4KB 6KB [ 533.783884] bridge_fdb_cache 1KB 3KB [ 533.790245] fib6_nodes 13KB 24KB [ 533.795819] ip6_dst_cache 14KB 48KB [ 533.801279] RAWv6 19KB 19KB [ 533.806788] UDPv6 3KB 3KB [ 533.812383] TCPv6 8KB 11KB [ 533.817910] nf_conntrack 0KB 3KB [ 533.823501] sd_ext_cdb 0KB 3KB [ 533.829078] scsi_sense_cache 1056KB 1060KB [ 533.834708] virtio_scsi_cmd 16KB 16KB [ 533.840389] sgpool-128 8KB 8KB [ 533.846014] sgpool-64 4KB 6KB [ 533.851610] sgpool-32 2KB 7KB [ 533.858641] sgpool-16 1KB 3KB [ 533.865242] sgpool-8 0KB 3KB [ 533.871453] mqueue_inode_cache 2KB 7KB [ 533.877986] bio_post_read_ctx 14KB 15KB [ 533.884353] bio-2 14KB 15KB [ 533.890516] jfs_mp 7KB 7KB [ 533.896116] nfs_commit_data 3KB 7KB [ 533.901670] nfs_write_data 32KB 32KB [ 533.907247] ext4_system_zone 0KB 3KB [ 533.913354] bio-1 1KB 3KB [ 533.919008] pid_namespace 0KB 3KB [ 533.924587] rpc_buffers 17KB 19KB [ 533.930107] rpc_tasks 2KB 3KB [ 533.935836] UNIX 9KB 14KB [ 533.941305] tcp_bind_bucket 0KB 4KB [ 533.946901] ip_fib_trie 2KB 7KB [ 533.952485] ip_fib_alias 9KB 19KB [ 533.958070] ip_dst_cache 0KB 8KB [ 533.963726] RAW 11KB 14KB [ 533.969402] UDP 8KB 13KB [ 533.975078] TCP 5KB 5KB [ 533.980600] hugetlbfs_inode_cache 2KB 7KB [ 533.986680] fscache_cookie_jar 1KB 7KB [ 534.001459] eventpoll_pwq 25KB 43KB [ 534.007120] eventpoll_epi 47KB 74KB [ 534.013834] inotify_inode_mark 51KB 70KB [ 534.019620] request_queue 164KB 164KB [ 534.025208] blkdev_ioc 12KB 23KB [ 534.030746] bio-0 10376KB 10376KB [ 534.036296] biovec-max 2013KB 2013KB [ 534.042932] biovec-64 11678KB 11678KB [ 534.048521] biovec-16 2628KB 2628KB [ 534.054164] bio_integrity_payload 1KB 3KB [ 534.059997] khugepaged_mm_slot 25KB 34KB [ 534.065664] dmaengine-unmap-256 2KB 6KB [ 534.071396] dmaengine-unmap-128 1KB 3KB [ 534.077184] dmaengine-unmap-16 0KB 4KB [ 534.082847] dmaengine-unmap-2 0KB 3KB [ 534.088322] skbuff_fclone_cache 7KB 7KB [ 534.094016] skbuff_head_cache 437KB 997KB [ 534.099526] configfs_dir_cache 0KB 4KB [ 534.105124] file_lock_cache 0KB 3KB [ 534.110620] file_lock_ctx 0KB 3KB [ 534.116199] fsnotify_mark_connector 29KB 43KB [ 534.122335] net_namespace 8KB 8KB [ 534.127887] shmem_inode_cache 5778KB 5973KB [ 534.133481] task_delay_info 84KB 382KB [ 534.139051] proc_dir_entry 320KB 333KB [ 534.144628] pde_opener 0KB 3KB [ 534.150178] seq_file 272KB 712KB [ 534.155803] sigqueue 78KB 200KB [ 534.161395] kernfs_node_cache 8043KB 8056KB [ 534.167111] mnt_cache 29KB 40KB [ 534.173448] filp 3565KB 6210KB [ 534.179005] names_cache 108982KB 108982KB [ 534.184676] iint_cache 25KB 47KB [ 534.190207] inode_smack 6070KB 6275KB [ 534.195863] key_jar 3KB 7KB [ 534.201592] uts_namespace 0KB 3KB [ 534.207211] nsproxy 0KB 3KB [ 534.212842] vm_area_struct 5963KB 8983KB [ 534.218427] mm_struct 836KB 1612KB [ 534.224065] fs_cache 65KB 344KB [ 534.229710] files_cache 244KB 476KB [ 534.235334] signal_cache 608KB 1358KB [ 534.240965] sighand_cache 416KB 513KB [ 534.246566] task_struct 2679KB 2734KB [ 534.252224] cred_jar 484KB 1596KB [ 534.257752] anon_vma_chain 3727KB 5847KB [ 534.263346] anon_vma 118KB 392KB [ 534.268919] pid 54KB 316KB [ 534.274521] Acpi-Operand 106KB 162KB [ 534.280126] Acpi-Namespace 19KB 23KB [ 534.285769] numa_policy 0KB 3KB [ 534.291283] debug_objects_cache 898KB 916KB [ 534.296967] trace_event_file 260KB 262KB [ 534.303446] ftrace_event_field 376KB 378KB [ 534.308910] pool_workqueue 72KB 76KB [ 534.314486] task_group 0KB 3KB [ 534.320018] page->ptl 1199KB 2877KB [ 534.325674] kmalloc-4M 5697536KB 5697536KB [ 534.331255] kmalloc-2M 2050KB 2050KB [ 534.336829] kmalloc-512k 2056KB 2056KB [ 534.342473] kmalloc-256k 1290KB 1290KB [ 534.348007] kmalloc-128k 650KB 650KB [ 534.353607] kmalloc-64k 330KB 330KB [ 534.359205] kmalloc-32k 726KB 726KB [ 534.364748] kmalloc-16k 214KB 214KB [ 534.370283] kmalloc-8k 882KB 882KB [ 534.375951] kmalloc-4k 13379KB 13417KB [ 534.381527] kmalloc-2k 4502KB 4876KB [ 534.387226] kmalloc-1k 2589KB 3291KB [ 534.392993] kmalloc-512 2171KB 3172KB [ 534.398848] kmalloc-256 5002KB 5017KB [ 534.404522] kmalloc-128 787KB 850KB [ 534.410189] kmalloc-96 1982KB 2212KB [ 534.415699] kmalloc-64 2916KB 3060KB [ 534.421332] kmalloc-32 1908KB 2071KB [ 534.427115] kmalloc-192 2567KB 4196KB [ 534.434581] kmem_cache 171KB 176KB [ 534.443036] Out of memory: Kill process 6023 (syz-execprog) score 1 or sacrifice child [ 534.451863] Killed process 10941 (syz-executor0) total-vm:37444kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 534.463538] oom_reaper: reaped process 10941 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 2018/12/11 20:15:48 result: failed=false hanged=false err=executor 0: 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 [ 536.449887] IPVS: ftp: loaded support on port[0] = 21 [ 536.824394] device bridge_slave_1 left promiscuous mode [ 536.830471] bridge0: port 2(bridge_slave_1) entered disabled state [ 536.872642] device bridge_slave_0 left promiscuous mode [ 536.878135] bridge0: port 1(bridge_slave_0) entered disabled state [ 536.938741] team0 (unregistering): Port device team_slave_1 removed [ 536.948093] team0 (unregistering): Port device team_slave_0 removed [ 536.957901] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 537.014900] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 537.069719] bond0 (unregistering): Released all slaves [ 537.358079] bridge0: port 1(bridge_slave_0) entered blocking state [ 537.364595] bridge0: port 1(bridge_slave_0) entered disabled state [ 537.372388] device bridge_slave_0 entered promiscuous mode [ 537.398298] bridge0: port 2(bridge_slave_1) entered blocking state [ 537.405061] bridge0: port 2(bridge_slave_1) entered disabled state [ 537.415137] device bridge_slave_1 entered promiscuous mode [ 537.441044] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 537.466621] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 537.547241] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 537.576816] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 537.699517] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 537.706999] team0: Port device team_slave_0 added [ 537.734248] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 537.741620] team0: Port device team_slave_1 added [ 537.767291] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 537.795163] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 537.823173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 537.851207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 538.102704] bridge0: port 2(bridge_slave_1) entered blocking state [ 538.109101] bridge0: port 2(bridge_slave_1) entered forwarding state [ 538.115787] bridge0: port 1(bridge_slave_0) entered blocking state [ 538.122184] bridge0: port 1(bridge_slave_0) entered forwarding state [ 538.795423] 8021q: adding VLAN 0 to HW filter on device bond0 [ 538.848960] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 538.902921] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 538.909067] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 538.916625] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 538.966013] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/11 20:15:51 executed programs: 4287 2018/12/11 20:15:56 executed programs: 4674 2018/12/11 20:16:01 executed programs: 5046 2018/12/11 20:16:06 executed programs: 5414 2018/12/11 20:16:11 executed programs: 5698 2018/12/11 20:16:17 executed programs: 5704 2018/12/11 20:16:24 executed programs: 5708 [ 576.903391] syz-executor0 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 576.915775] syz-executor0 cpuset=syz0 mems_allowed=0 [ 576.920916] CPU: 1 PID: 13389 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #150 [ 576.928280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 576.937633] Call Trace: [ 576.940239] dump_stack+0x244/0x39d [ 576.943858] ? dump_stack_print_info.cold.1+0x20/0x20 [ 576.949037] dump_header+0x27b/0xf72 [ 576.952741] ? mark_held_locks+0x130/0x130 [ 576.957007] ? pagefault_out_of_memory+0x197/0x197 [ 576.961931] ? mark_held_locks+0x130/0x130 [ 576.966191] ? __lock_acquire+0x62f/0x4c20 [ 576.970410] ? zap_class+0x640/0x640 [ 576.974114] ? percpu_ref_get_many+0x240/0x240 [ 576.978682] ? print_usage_bug+0xc0/0xc0 [ 576.982729] ? print_usage_bug+0xc0/0xc0 [ 576.986831] ? zap_class+0x640/0x640 [ 576.990532] ? print_usage_bug+0xc0/0xc0 [ 576.994584] ? print_usage_bug+0xc0/0xc0 [ 576.998635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 577.004167] ? find_held_lock+0x36/0x1c0 [ 577.008230] ? mark_held_locks+0xc7/0x130 [ 577.012375] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 577.017579] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 577.022673] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 577.027243] ? trace_hardirqs_on+0xbd/0x310 [ 577.031559] ? kasan_check_read+0x11/0x20 [ 577.035692] ? ___ratelimit+0x3b4/0x672 [ 577.039655] ? trace_hardirqs_off_caller+0x310/0x310 [ 577.044751] ? trace_hardirqs_on+0x310/0x310 [ 577.049169] ? lock_downgrade+0x900/0x900 [ 577.053305] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 577.058394] ? ___ratelimit+0x3b9/0x672 [ 577.062377] ? idr_get_free+0xf70/0xf70 [ 577.066338] ? kasan_check_read+0x11/0x20 [ 577.070471] ? do_raw_spin_unlock+0xa7/0x330 [ 577.074871] oom_kill_process.cold.27+0x10/0x903 [ 577.079615] ? zap_class+0x640/0x640 [ 577.083323] ? _raw_spin_unlock+0x2c/0x50 [ 577.087557] ? oom_badness+0xe6/0xaa0 [ 577.091345] ? oom_evaluate_task+0x540/0x540 [ 577.095761] ? find_held_lock+0x36/0x1c0 [ 577.099815] ? out_of_memory+0x974/0x1430 [ 577.103948] ? lock_downgrade+0x900/0x900 [ 577.108094] ? check_preemption_disabled+0x48/0x280 [ 577.113122] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 577.118039] ? kasan_check_read+0x11/0x20 [ 577.122184] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 577.127452] ? rcu_softirq_qs+0x20/0x20 [ 577.131420] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 577.136942] ? oom_evaluate_task+0x302/0x540 [ 577.141339] out_of_memory+0xa84/0x1430 [ 577.145330] ? oom_killer_disable+0x3a0/0x3a0 [ 577.149811] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 577.154744] ? __ww_mutex_check_waiters+0x160/0x160 [ 577.159751] __alloc_pages_slowpath+0x232c/0x2de0 [ 577.164611] ? warn_alloc+0x120/0x120 [ 577.168422] ? warn_alloc+0x120/0x120 [ 577.172211] ? print_usage_bug+0xc0/0xc0 [ 577.176259] ? print_usage_bug+0xc0/0xc0 [ 577.180364] ? ext4_filemap_fault+0x8d/0xad [ 577.184687] ? print_usage_bug+0xc0/0xc0 [ 577.188736] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 577.194256] ? should_fail+0x22d/0xd01 [ 577.198129] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 577.203220] ? zap_class+0x640/0x640 [ 577.206925] ? find_held_lock+0x36/0x1c0 [ 577.210977] ? lock_downgrade+0x900/0x900 [ 577.215114] ? lock_release+0xa00/0xa00 [ 577.219075] ? perf_trace_sched_process_exec+0x860/0x860 [ 577.224510] ? check_preemption_disabled+0x48/0x280 [ 577.229516] ? __might_sleep+0x95/0x190 [ 577.233479] __alloc_pages_nodemask+0xad8/0xea0 [ 577.238137] ? zap_class+0x640/0x640 [ 577.241840] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 577.246846] ? find_held_lock+0x36/0x1c0 [ 577.250911] ? cache_grow_begin+0x65/0x8c0 [ 577.255140] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 577.259718] ? trace_hardirqs_on+0xbd/0x310 [ 577.264025] ? fallback_alloc+0x204/0x2e0 [ 577.268156] ? trace_hardirqs_off_caller+0x310/0x310 [ 577.273248] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 577.278769] cache_grow_begin+0xa5/0x8c0 [ 577.282816] ? do_raw_spin_unlock+0xa7/0x330 [ 577.287238] fallback_alloc+0x204/0x2e0 [ 577.291219] ____cache_alloc_node+0x1c7/0x1e0 [ 577.295702] kmem_cache_alloc+0x1f8/0x730 [ 577.299844] getname_flags+0xd0/0x590 [ 577.303655] getname+0x19/0x20 [ 577.306834] do_sys_open+0x383/0x700 [ 577.310533] ? filp_open+0x80/0x80 [ 577.314059] ? trace_hardirqs_off_caller+0x310/0x310 [ 577.319150] __x64_sys_open+0x7e/0xc0 [ 577.322945] do_syscall_64+0x1b9/0x820 [ 577.326831] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 577.332285] ? syscall_return_slowpath+0x5e0/0x5e0 [ 577.337199] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 577.342034] ? trace_hardirqs_on_caller+0x310/0x310 [ 577.347046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 577.352570] ? prepare_exit_to_usermode+0x291/0x3b0 [ 577.357584] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 577.362420] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 577.367592] RIP: 0033:0x455680 [ 577.370777] Code: 31 c0 e9 45 ff ff ff 0f 1f 00 80 3f 00 0f 84 f7 00 00 00 55 53 b9 02 00 00 00 be 00 08 09 00 89 c8 48 81 ec 98 00 00 00 0f 05 <48> 3d 00 f0 ff ff 48 89 c3 0f 87 e9 00 00 00 85 db 0f 88 2f 01 00 [ 577.389661] RSP: 002b:00007fff0d47a070 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 [ 577.397362] RAX: ffffffffffffffda RBX: 000000000008cc5b RCX: 0000000000455680 [ 577.404635] RDX: 000000000000000c RSI: 0000000000090800 RDI: 00007fff0d47b250 [ 577.411889] RBP: 000000000000068c R08: 0000000000000001 R09: 00000000017f3940 [ 577.419167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff0d47b250 [ 577.426457] R13: 000000000008ca2c R14: 0000000000000000 R15: 0000000000000000 [ 577.435344] Mem-Info: [ 577.437913] active_anon:3768 inactive_anon:192 isolated_anon:0 [ 577.437913] active_file:14 inactive_file:107 isolated_file:0 [ 577.437913] unevictable:0 dirty:0 writeback:0 unstable:0 [ 577.437913] slab_reclaimable:12734 slab_unreclaimable:1523464 [ 577.437913] mapped:55 shmem:244 pagetables:290 bounce:0 [ 577.437913] free:24672 free_pcp:120 free_cma:0 [ 577.472100] Node 0 active_anon:15072kB inactive_anon:768kB active_file:112kB inactive_file:620kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:204kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 577.500084] 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 [ 577.526578] lowmem_reserve[]: 0 2818 6321 6321 [ 577.531404] Node 0 DMA32 free:44048kB 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 [ 577.559064] lowmem_reserve[]: 0 0 3503 3503 [ 577.563561] Node 0 Normal free:38644kB min:37364kB low:46704kB high:56044kB active_anon:15072kB inactive_anon:768kB active_file:144kB inactive_file:456kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6048kB pagetables:1160kB bounce:0kB free_pcp:428kB local_pcp:0kB free_cma:0kB [ 577.593371] lowmem_reserve[]: 0 0 0 0 [ 577.597326] 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 [ 577.611282] Node 0 DMA32: 4*4kB (ME) 4*8kB (ME) 6*16kB (UME) 8*32kB (UME) 2*64kB (M) 4*128kB (UME) 4*256kB (UME) 6*512kB (UME) 6*1024kB (UME) 4*2048kB (UME) 6*4096kB (M) = 44048kB [ 577.627929] Node 0 Normal: 596*4kB (UMEH) 319*8kB (UMEH) 136*16kB (UMEH) 50*32kB (UMEH) 67*64kB (UMEH) 54*128kB (UME) 10*256kB (UM) 8*512kB (UM) 2*1024kB (M) 5*2048kB (M) 0*4096kB = 38856kB [ 577.645414] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 577.654610] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 577.663901] 459 total pagecache pages [ 577.667891] 0 pages in swap cache [ 577.671438] Swap cache stats: add 0, delete 0, find 0/0 [ 577.677021] Free swap = 0kB [ 577.680244] Total swap = 0kB [ 577.683407] 1965979 pages RAM [ 577.686671] 0 pages HighMem/MovableOnly [ 577.690781] 342853 pages reserved [ 577.694422] 0 pages cma reserved [ 577.697978] Unreclaimable slab info: [ 577.701930] Name Used Total [ 577.707666] pid_2 67KB 92KB [ 577.713270] TIPC 2KB 7KB [ 577.718791] SCTPv6 4KB 6KB [ 577.725394] DCCPv6 4KB 7KB [ 577.730976] DCCP 4KB 6KB [ 577.736657] bridge_fdb_cache 1KB 7KB [ 577.742253] fib6_nodes 13KB 32KB [ 577.747922] ip6_dst_cache 16KB 52KB [ 577.753452] RAWv6 19KB 32KB [ 577.758983] UDPv6 3KB 3KB [ 577.764632] TCPv6 8KB 11KB [ 577.770255] nf_conntrack 0KB 3KB [ 577.775872] sd_ext_cdb 0KB 3KB [ 577.781388] scsi_sense_cache 1056KB 1060KB [ 577.786964] virtio_scsi_cmd 16KB 16KB [ 577.792592] sgpool-128 8KB 8KB [ 577.797961] sgpool-64 4KB 6KB [ 577.803614] sgpool-32 2KB 7KB [ 577.809128] sgpool-16 1KB 3KB [ 577.814770] sgpool-8 0KB 3KB [ 577.820321] mqueue_inode_cache 2KB 7KB [ 577.826022] bio_post_read_ctx 14KB 15KB [ 577.831504] bio-2 14KB 15KB [ 577.837220] jfs_mp 7KB 7KB [ 577.842836] nfs_commit_data 3KB 7KB [ 577.848341] nfs_write_data 32KB 32KB [ 577.854889] ext4_system_zone 0KB 3KB [ 577.860416] bio-1 1KB 3KB [ 577.865994] pid_namespace 0KB 3KB [ 577.871502] rpc_buffers 17KB 19KB [ 577.877069] rpc_tasks 2KB 3KB [ 577.882654] UNIX 9KB 14KB [ 577.888207] tcp_bind_bucket 0KB 4KB [ 577.893878] ip_fib_trie 2KB 7KB [ 577.899418] ip_fib_alias 9KB 19KB [ 577.904971] ip_dst_cache 0KB 8KB [ 577.910522] RAW 11KB 21KB [ 577.916070] UDP 8KB 13KB [ 577.921588] TCP 5KB 5KB [ 577.927172] hugetlbfs_inode_cache 2KB 7KB [ 577.933085] fscache_cookie_jar 1KB 7KB [ 577.938728] eventpoll_pwq 27KB 43KB [ 577.944165] eventpoll_epi 51KB 74KB [ 577.949654] inotify_inode_mark 54KB 70KB [ 577.955317] request_queue 164KB 164KB [ 577.960830] blkdev_ioc 11KB 23KB [ 577.966497] bio-0 7380KB 7380KB [ 577.972085] biovec-max 1955KB 1955KB [ 577.977613] biovec-64 7623KB 7623KB [ 577.983713] biovec-16 1811KB 1811KB [ 577.989217] bio_integrity_payload 1KB 3KB [ 577.995144] khugepaged_mm_slot 26KB 34KB [ 578.000777] dmaengine-unmap-256 2KB 6KB [ 578.006471] dmaengine-unmap-128 1KB 3KB [ 578.012184] dmaengine-unmap-16 0KB 4KB [ 578.017801] dmaengine-unmap-2 0KB 3KB [ 578.023396] skbuff_fclone_cache 5KB 7KB [ 578.029093] skbuff_head_cache 466KB 990KB [ 578.034679] configfs_dir_cache 0KB 4KB [ 578.040371] file_lock_cache 0KB 3KB [ 578.045986] file_lock_ctx 0KB 3KB [ 578.051555] fsnotify_mark_connector 31KB 43KB [ 578.057739] net_namespace 8KB 8KB [ 578.063488] shmem_inode_cache 5839KB 5957KB [ 578.069067] task_delay_info 89KB 359KB [ 578.074650] proc_dir_entry 320KB 333KB [ 578.080389] pde_opener 0KB 3KB [ 578.086050] seq_file 292KB 696KB [ 578.091653] sigqueue 84KB 200KB [ 578.097419] kernfs_node_cache 8043KB 8048KB [ 578.103103] mnt_cache 29KB 36KB [ 578.108722] filp 3796KB 6172KB [ 578.115305] names_cache 114133KB 114172KB [ 578.121046] iint_cache 27KB 47KB [ 578.126823] inode_smack 6113KB 6275KB [ 578.132530] key_jar 3KB 7KB [ 578.138176] uts_namespace 0KB 3KB [ 578.143913] nsproxy 0KB 3KB [ 578.149622] vm_area_struct 6315KB 8875KB [ 578.155224] mm_struct 911KB 1547KB [ 578.160745] fs_cache 70KB 332KB [ 578.166345] files_cache 260KB 461KB [ 578.172040] signal_cache 648KB 1315KB [ 578.177678] sighand_cache 418KB 513KB [ 578.183297] task_struct 2790KB 2846KB [ 578.188763] cred_jar 545KB 1548KB [ 578.194528] anon_vma_chain 3945KB 5803KB [ 578.200106] anon_vma 123KB 392KB [ 578.205610] pid 56KB 296KB [ 578.211172] Acpi-Operand 106KB 162KB [ 578.216672] Acpi-Namespace 19KB 23KB [ 578.222299] numa_policy 0KB 3KB [ 578.227859] debug_objects_cache 825KB 912KB [ 578.233688] trace_event_file 260KB 262KB [ 578.239299] ftrace_event_field 376KB 378KB [ 578.245507] pool_workqueue 72KB 80KB [ 578.251039] task_group 0KB 3KB [ 578.256848] page->ptl 1253KB 2850KB [ 578.262438] kmalloc-4M 5705728KB 5705728KB [ 578.268090] kmalloc-2M 2050KB 2050KB [ 578.273740] kmalloc-512k 2056KB 2056KB [ 578.279331] kmalloc-256k 1290KB 1290KB [ 578.285096] kmalloc-128k 650KB 650KB [ 578.290607] kmalloc-64k 330KB 330KB [ 578.296125] kmalloc-32k 726KB 726KB [ 578.301682] kmalloc-16k 214KB 214KB [ 578.307355] kmalloc-8k 882KB 882KB [ 578.313042] kmalloc-4k 13940KB 13978KB [ 578.318561] kmalloc-2k 4475KB 4915KB [ 578.324183] kmalloc-1k 2676KB 3291KB [ 578.329997] kmalloc-512 2294KB 3116KB [ 578.335673] kmalloc-256 5006KB 5010KB [ 578.341225] kmalloc-128 792KB 854KB [ 578.346840] kmalloc-96 1995KB 2216KB [ 578.352375] kmalloc-64 2972KB 3072KB [ 578.358088] kmalloc-32 1951KB 2086KB [ 578.363680] kmalloc-192 2611KB 4180KB [ 578.369221] kmem_cache 171KB 176KB [ 578.375313] Out of memory: Kill process 6023 (syz-execprog) score 1 or sacrifice child [ 578.383619] Killed process 13388 (syz-executor0) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 578.394104] oom_reaper: reaped process 13388 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 2018/12/11 20:16:30 executed programs: 5709 2018/12/11 20:16:32 result: failed=false hanged=false err=executor 0: 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 [ 580.374088] IPVS: ftp: loaded support on port[0] = 21 [ 580.702233] device bridge_slave_1 left promiscuous mode [ 580.708407] bridge0: port 2(bridge_slave_1) entered disabled state [ 580.742521] device bridge_slave_0 left promiscuous mode [ 580.748028] bridge0: port 1(bridge_slave_0) entered disabled state [ 580.822214] team0 (unregistering): Port device team_slave_1 removed [ 580.831693] team0 (unregistering): Port device team_slave_0 removed [ 580.841725] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 580.895813] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 580.959360] bond0 (unregistering): Released all slaves [ 581.299419] bridge0: port 1(bridge_slave_0) entered blocking state [ 581.306542] bridge0: port 1(bridge_slave_0) entered disabled state [ 581.315804] device bridge_slave_0 entered promiscuous mode [ 581.342465] bridge0: port 2(bridge_slave_1) entered blocking state [ 581.348924] bridge0: port 2(bridge_slave_1) entered disabled state [ 581.356690] device bridge_slave_1 entered promiscuous mode [ 581.382604] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 581.409944] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 581.493147] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 581.522434] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 581.646314] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 581.653780] team0: Port device team_slave_0 added [ 581.679675] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 581.688509] team0: Port device team_slave_1 added [ 581.714194] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 581.745195] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 581.773452] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 581.805047] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 582.055383] bridge0: port 2(bridge_slave_1) entered blocking state [ 582.061810] bridge0: port 2(bridge_slave_1) entered forwarding state [ 582.068458] bridge0: port 1(bridge_slave_0) entered blocking state [ 582.074869] bridge0: port 1(bridge_slave_0) entered forwarding state [ 582.083633] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 582.706101] 8021q: adding VLAN 0 to HW filter on device bond0 [ 582.760141] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 582.813056] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 582.819198] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 582.827545] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 582.876896] 8021q: adding VLAN 0 to HW filter on device team0 [ 583.051990] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready 2018/12/11 20:16:35 executed programs: 5749 2018/12/11 20:16:40 executed programs: 6109 2018/12/11 20:16:45 executed programs: 6476 2018/12/11 20:16:50 executed programs: 6845 2018/12/11 20:16:55 executed programs: 7123 2018/12/11 20:17:02 executed programs: 7128 2018/12/11 20:17:09 executed programs: 7130 2018/12/11 20:17:15 executed programs: 7133 [ 627.734562] syz-execprog invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 627.746898] syz-execprog cpuset=/ mems_allowed=0 [ 627.752406] CPU: 0 PID: 6027 Comm: syz-execprog Not tainted 4.20.0-rc6+ #150 [ 627.759631] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 627.768970] Call Trace: [ 627.771549] dump_stack+0x244/0x39d [ 627.775173] ? dump_stack_print_info.cold.1+0x20/0x20 [ 627.780354] ? mark_held_locks+0x130/0x130 [ 627.784574] ? mark_held_locks+0x130/0x130 [ 627.788801] dump_header+0x27b/0xf72 [ 627.792510] ? pagefault_out_of_memory+0x197/0x197 [ 627.797431] ? __lock_acquire+0x62f/0x4c20 [ 627.801650] ? retint_kernel+0x2d/0x2d [ 627.805529] ? trace_hardirqs_on_caller+0xc0/0x310 [ 627.810453] ? zap_class+0x640/0x640 [ 627.814170] ? print_usage_bug+0xc0/0xc0 [ 627.818227] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 627.822976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 627.828504] ? find_held_lock+0x36/0x1c0 [ 627.832557] ? mark_held_locks+0xc7/0x130 [ 627.836693] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 627.841781] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 627.847135] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 627.851720] ? trace_hardirqs_on+0xbd/0x310 [ 627.856032] ? kasan_check_read+0x11/0x20 [ 627.860170] ? ___ratelimit+0x3b4/0x672 [ 627.864135] ? trace_hardirqs_off_caller+0x310/0x310 [ 627.869225] ? trace_hardirqs_on+0x310/0x310 [ 627.873629] ? lock_downgrade+0x900/0x900 [ 627.877768] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 627.882856] ? ___ratelimit+0x3b9/0x672 [ 627.886824] ? idr_get_free+0xf70/0xf70 [ 627.890801] ? kasan_check_read+0x11/0x20 [ 627.894946] ? do_raw_spin_unlock+0xa7/0x330 [ 627.899345] oom_kill_process.cold.27+0x10/0x903 [ 627.904186] ? zap_class+0x640/0x640 [ 627.907972] ? _raw_spin_unlock+0x2c/0x50 [ 627.912106] ? oom_badness+0xe6/0xaa0 [ 627.915987] ? oom_evaluate_task+0x540/0x540 [ 627.920561] ? find_held_lock+0x36/0x1c0 [ 627.924623] ? out_of_memory+0x974/0x1430 [ 627.928762] ? lock_downgrade+0x900/0x900 [ 627.932902] ? check_preemption_disabled+0x48/0x280 [ 627.937908] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 627.942825] ? kasan_check_read+0x11/0x20 [ 627.946957] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 627.952222] ? rcu_softirq_qs+0x20/0x20 [ 627.956196] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 627.961722] ? oom_evaluate_task+0x302/0x540 [ 627.966125] out_of_memory+0xa84/0x1430 [ 627.970097] ? oom_killer_disable+0x3a0/0x3a0 [ 627.974581] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 627.979510] ? __ww_mutex_check_waiters+0x160/0x160 [ 627.984535] __alloc_pages_slowpath+0x232c/0x2de0 [ 627.989384] ? warn_alloc+0x120/0x120 [ 627.993176] ? mark_held_locks+0x130/0x130 [ 627.997460] ? find_get_entry+0xaae/0x1120 [ 628.001691] ? filemap_map_pages+0x1a20/0x1a20 [ 628.006267] ? zap_class+0x640/0x640 [ 628.009975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 628.015520] ? check_preemption_disabled+0x48/0x280 [ 628.020523] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 628.026050] ? should_fail+0x22d/0xd01 [ 628.029929] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 628.035045] ? zap_class+0x640/0x640 [ 628.038772] ? __lock_is_held+0xb5/0x140 [ 628.042827] ? mark_held_locks+0x130/0x130 [ 628.047057] ? lock_release+0xa00/0xa00 [ 628.051018] ? perf_trace_sched_process_exec+0x860/0x860 [ 628.056457] ? xa_load+0x2ba/0x460 [ 628.059989] ? lock_downgrade+0x900/0x900 [ 628.064129] ? __might_sleep+0x95/0x190 [ 628.068096] __alloc_pages_nodemask+0xad8/0xea0 [ 628.072759] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 628.077763] ? __page_cache_alloc+0x191/0x5c0 [ 628.082256] ? xa_load+0x2e1/0x460 [ 628.085788] ? xa_clear_mark+0x40/0x40 [ 628.089663] ? up_read_non_owner+0x100/0x100 [ 628.094061] ? zap_class+0x640/0x640 [ 628.097771] ? zap_class+0x640/0x640 [ 628.101472] ? zap_class+0x640/0x640 [ 628.105175] ? __do_page_cache_readahead+0x663/0x810 [ 628.110279] ? find_held_lock+0x36/0x1c0 [ 628.114333] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 628.119920] alloc_pages_current+0x173/0x350 [ 628.124320] __page_cache_alloc+0x38c/0x5c0 [ 628.128630] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 628.133554] ? kasan_check_read+0x11/0x20 [ 628.137697] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 628.142966] ? generic_perform_write+0x6a0/0x6a0 [ 628.147719] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 628.153258] ? check_preemption_disabled+0x48/0x280 [ 628.158266] filemap_fault+0x1595/0x25f0 [ 628.162323] ? __lock_page_or_retry+0xa00/0xa00 [ 628.166979] ? mark_held_locks+0x130/0x130 [ 628.171205] ? filemap_map_pages+0xd6b/0x1a20 [ 628.175693] ? lock_downgrade+0x900/0x900 [ 628.179828] ? check_preemption_disabled+0x48/0x280 [ 628.184839] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 628.189757] ? kasan_check_read+0x11/0x20 [ 628.193893] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 628.199155] ? rcu_softirq_qs+0x20/0x20 [ 628.203125] ? filemap_map_pages+0xd92/0x1a20 [ 628.207620] ? find_get_entries_tag+0x1400/0x1400 [ 628.212473] ? lock_acquire+0x1ed/0x520 [ 628.216435] ? ext4_filemap_fault+0x7a/0xad [ 628.220752] ? lock_release+0xa00/0xa00 [ 628.224716] ? perf_trace_sched_process_exec+0x860/0x860 [ 628.230166] ? print_usage_bug+0xc0/0xc0 [ 628.234217] ? print_usage_bug+0xc0/0xc0 [ 628.238273] ? down_read+0x8d/0x120 [ 628.241888] ? ext4_filemap_fault+0x7a/0xad [ 628.246198] ? __down_interruptible+0x700/0x700 [ 628.250862] ext4_filemap_fault+0x82/0xad [ 628.255075] __do_fault+0x100/0x6b0 [ 628.258694] ? pmd_devmap_trans_unstable+0x220/0x220 [ 628.263788] ? mark_held_locks+0x130/0x130 [ 628.268014] ? mark_held_locks+0x130/0x130 [ 628.272239] ? do_raw_spin_trylock+0x270/0x270 [ 628.276816] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 628.282343] __handle_mm_fault+0x3ea6/0x5be0 [ 628.286756] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 628.291601] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 628.296349] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 628.300918] ? retint_kernel+0x2d/0x2d [ 628.304796] ? trace_hardirqs_on_caller+0xc0/0x310 [ 628.309720] ? zap_class+0x640/0x640 [ 628.313432] ? zap_class+0x640/0x640 [ 628.317176] ? __x64_sys_futex+0x53e/0x6a0 [ 628.321412] ? find_held_lock+0x36/0x1c0 [ 628.325478] ? handle_mm_fault+0x42a/0xc70 [ 628.329965] ? lock_downgrade+0x900/0x900 [ 628.334105] ? check_preemption_disabled+0x48/0x280 [ 628.339113] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 628.344030] ? kasan_check_read+0x11/0x20 [ 628.348164] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 628.353427] ? rcu_softirq_qs+0x20/0x20 [ 628.357390] ? trace_hardirqs_off_caller+0x310/0x310 [ 628.362485] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 628.368009] ? check_preemption_disabled+0x48/0x280 [ 628.373028] handle_mm_fault+0x54f/0xc70 [ 628.377079] ? __handle_mm_fault+0x5be0/0x5be0 [ 628.381743] ? find_vma+0x34/0x190 [ 628.385315] __do_page_fault+0x5e8/0xe60 [ 628.389367] ? trace_hardirqs_off+0xb8/0x310 [ 628.393777] do_page_fault+0xf2/0x7e0 [ 628.397573] ? vmalloc_sync_all+0x30/0x30 [ 628.401708] ? error_entry+0x70/0xd0 [ 628.405412] ? trace_hardirqs_off_caller+0xbb/0x310 [ 628.410416] ? trace_hardirqs_on_caller+0xc0/0x310 [ 628.415335] ? syscall_return_slowpath+0x5e0/0x5e0 [ 628.420253] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 628.425088] ? trace_hardirqs_on_caller+0x310/0x310 [ 628.430094] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 628.435556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 628.441090] ? prepare_exit_to_usermode+0x291/0x3b0 [ 628.446094] ? page_fault+0x8/0x30 [ 628.449626] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 628.454457] ? page_fault+0x8/0x30 [ 628.457997] page_fault+0x1e/0x30 [ 628.461435] RIP: 0033:0x448a5a [ 628.464626] Code: Bad RIP value. [ 628.467987] RSP: 002b:000000c420021760 EFLAGS: 00010202 [ 628.473340] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 628.480595] RDX: 00000000006b2120 RSI: 00000000011f9b80 RDI: 0000000000000000 [ 628.488041] RBP: 000000c4200217d0 R08: 0000000000000001 R09: 00007ffdf0c94080 [ 628.495296] R10: 000000000000f228 R11: 0000000000000273 R12: 0000000000000001 [ 628.502550] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c4200c9b50 [ 628.510907] Mem-Info: [ 628.513511] active_anon:3799 inactive_anon:192 isolated_anon:0 [ 628.513511] active_file:238 inactive_file:191 isolated_file:0 [ 628.513511] unevictable:0 dirty:11 writeback:0 unstable:0 [ 628.513511] slab_reclaimable:12831 slab_unreclaimable:1521984 [ 628.513511] mapped:243 shmem:244 pagetables:290 bounce:0 [ 628.513511] free:24684 free_pcp:97 free_cma:0 [ 628.547474] Node 0 active_anon:15196kB inactive_anon:768kB active_file:840kB inactive_file:716kB unevictable:0kB isolated(anon):0kB isolated(file):44kB mapped:1020kB dirty:44kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 628.576567] 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 [ 628.603851] lowmem_reserve[]: 0 2818 6321 6321 [ 628.609485] Node 0 DMA32 free:44068kB 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 [ 628.638684] lowmem_reserve[]: 0 0 3503 3503 [ 628.644995] Node 0 Normal free:37988kB min:37364kB low:46704kB high:56044kB active_anon:15196kB inactive_anon:768kB active_file:828kB inactive_file:1252kB unevictable:0kB writepending:44kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6048kB pagetables:1160kB bounce:0kB free_pcp:1048kB local_pcp:376kB free_cma:0kB [ 628.675866] lowmem_reserve[]: 0 0 0 0 [ 628.680565] 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 [ 628.694925] Node 0 DMA32: 5*4kB (UME) 4*8kB (ME) 5*16kB (ME) 7*32kB (UME) 3*64kB (UM) 4*128kB (UME) 4*256kB (UME) 4*512kB (UME) 5*1024kB (UME) 5*2048kB (UME) 6*4096kB (M) = 44068kB [ 628.712379] Node 0 Normal: 87*4kB (UEH) 236*8kB (UMEH) 139*16kB (MEH) 52*32kB (MEH) 94*64kB (UMEH) 56*128kB (UME) 11*256kB (UM) 14*512kB (UM) 4*1024kB (UM) 2*2048kB (M) 0*4096kB = 37484kB [ 628.730712] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 628.740449] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 628.750223] 950 total pagecache pages [ 628.759890] 0 pages in swap cache [ 628.767150] Swap cache stats: add 0, delete 0, find 0/0 [ 628.773149] Free swap = 0kB [ 628.776737] Total swap = 0kB [ 628.780548] 1965979 pages RAM [ 628.783938] 0 pages HighMem/MovableOnly [ 628.788165] 342853 pages reserved [ 628.791855] 0 pages cma reserved [ 628.796554] Unreclaimable slab info: [ 628.808325] Name Used Total [ 628.838171] pid_2 60KB 92KB [ 628.844212] TIPC 2KB 7KB [ 628.850819] SCTPv6 4KB 6KB [ 628.863411] DCCPv6 4KB 7KB [ 628.868815] DCCP 4KB 6KB [ 628.874243] bridge_fdb_cache 1KB 3KB [ 628.879593] fib6_nodes 13KB 32KB [ 628.885018] ip6_dst_cache 14KB 60KB [ 628.890379] RAWv6 19KB 19KB [ 628.896682] UDPv6 3KB 3KB [ 628.902112] TCPv6 8KB 11KB [ 628.907484] nf_conntrack 0KB 3KB [ 628.913057] sd_ext_cdb 0KB 3KB [ 628.918535] scsi_sense_cache 1056KB 1060KB [ 628.923974] virtio_scsi_cmd 16KB 16KB [ 628.929475] sgpool-128 8KB 8KB [ 628.935026] sgpool-64 4KB 6KB [ 628.940431] sgpool-32 2KB 7KB [ 628.951178] sgpool-16 1KB 3KB [ 628.969631] sgpool-8 0KB 3KB [ 628.986335] mqueue_inode_cache 2KB 7KB [ 628.997165] bio_post_read_ctx 14KB 15KB [ 629.009026] bio-2 14KB 15KB [ 629.016995] jfs_mp 7KB 7KB [ 629.028004] nfs_commit_data 3KB 7KB [ 629.035376] nfs_write_data 32KB 32KB [ 629.045969] ext4_system_zone 0KB 3KB [ 629.052286] bio-1 1KB 3KB [ 629.058704] pid_namespace 0KB 3KB [ 629.065325] rpc_buffers 17KB 19KB [ 629.071480] rpc_tasks 2KB 3KB [ 629.078947] UNIX 18KB 18KB [ 629.085565] tcp_bind_bucket 0KB 4KB [ 629.092236] ip_fib_trie 2KB 7KB [ 629.098747] ip_fib_alias 9KB 19KB [ 629.104184] ip_dst_cache 0KB 8KB [ 629.109553] RAW 11KB 14KB [ 629.114975] UDP 8KB 13KB [ 629.120344] TCP 5KB 5KB [ 629.129046] hugetlbfs_inode_cache 2KB 7KB [ 629.134997] fscache_cookie_jar 1KB 7KB [ 629.140668] eventpoll_pwq 25KB 43KB [ 629.146238] eventpoll_epi 47KB 78KB [ 629.152703] inotify_inode_mark 50KB 78KB [ 629.158273] request_queue 164KB 164KB [ 629.165190] blkdev_ioc 12KB 23KB [ 629.170647] bio-0 11332KB 11332KB [ 629.176228] biovec-max 1930KB 1930KB [ 629.181664] biovec-64 13064KB 13064KB [ 629.187251] biovec-16 2838KB 2838KB [ 629.192899] bio_integrity_payload 1KB 3KB [ 629.198768] khugepaged_mm_slot 24KB 34KB [ 629.204512] dmaengine-unmap-256 2KB 6KB [ 629.210146] dmaengine-unmap-128 1KB 3KB [ 629.225610] dmaengine-unmap-16 0KB 4KB [ 629.236931] dmaengine-unmap-2 0KB 3KB [ 629.253989] skbuff_fclone_cache 5KB 7KB [ 629.261367] skbuff_head_cache 430KB 1020KB [ 629.268379] configfs_dir_cache 0KB 4KB [ 629.276361] file_lock_cache 1KB 3KB [ 629.287971] file_lock_ctx 0KB 3KB [ 629.296581] fsnotify_mark_connector 29KB 47KB [ 629.304213] net_namespace 8KB 8KB [ 629.313601] shmem_inode_cache 5772KB 5969KB [ 629.320161] task_delay_info 85KB 335KB [ 629.326364] proc_dir_entry 320KB 341KB [ 629.333203] pde_opener 0KB 3KB [ 629.339652] seq_file 269KB 677KB [ 629.346136] sigqueue 84KB 200KB [ 629.356796] kernfs_node_cache 8043KB 8056KB [ 629.362473] mnt_cache 29KB 36KB [ 629.370438] filp 3531KB 6078KB [ 629.378326] names_cache 106675KB 106675KB [ 629.384314] iint_cache 34KB 47KB [ 629.389857] inode_smack 6065KB 6275KB [ 629.395460] key_jar 3KB 7KB [ 629.400940] uts_namespace 0KB 3KB [ 629.406712] nsproxy 0KB 3KB [ 629.413143] vm_area_struct 5931KB 8766KB [ 629.418650] mm_struct 859KB 1488KB [ 629.424239] fs_cache 69KB 292KB [ 629.429698] files_cache 265KB 438KB [ 629.435216] signal_cache 615KB 1229KB [ 629.440673] sighand_cache 416KB 513KB [ 629.446239] task_struct 2673KB 2728KB [ 629.451708] cred_jar 498KB 1476KB [ 629.457247] anon_vma_chain 3659KB 5733KB [ 629.462832] anon_vma 114KB 392KB [ 629.468290] pid 54KB 288KB [ 629.475344] Acpi-Operand 106KB 162KB [ 629.488218] Acpi-Namespace 19KB 23KB [ 629.497033] numa_policy 0KB 3KB [ 629.508142] debug_objects_cache 852KB 908KB [ 629.516472] trace_event_file 260KB 262KB [ 629.524050] ftrace_event_field 376KB 378KB [ 629.530623] pool_workqueue 72KB 76KB [ 629.536348] task_group 0KB 3KB [ 629.541723] page->ptl 1170KB 2818KB [ 629.548044] kmalloc-4M 5705728KB 5705728KB [ 629.553566] kmalloc-2M 2050KB 2050KB [ 629.558933] kmalloc-512k 2056KB 2056KB [ 629.564336] kmalloc-256k 1290KB 1290KB [ 629.569790] kmalloc-128k 650KB 650KB [ 629.575191] kmalloc-64k 330KB 330KB [ 629.580555] kmalloc-32k 726KB 726KB [ 629.585971] kmalloc-16k 214KB 214KB [ 629.591335] kmalloc-8k 882KB 882KB [ 629.596737] kmalloc-4k 13119KB 13158KB [ 629.602137] kmalloc-2k 4479KB 4864KB [ 629.607501] kmalloc-1k 2575KB 3268KB [ 629.613554] kmalloc-512 2162KB 3138KB [ 629.619057] kmalloc-256 5070KB 5081KB [ 629.624598] kmalloc-128 761KB 854KB [ 629.630090] kmalloc-96 2157KB 2224KB [ 629.635635] kmalloc-64 2881KB 3072KB [ 629.641253] kmalloc-32 1881KB 2086KB [ 629.648772] kmalloc-192 2577KB 4160KB [ 629.655947] kmem_cache 171KB 176KB [ 629.662327] Out of memory: Kill process 6023 (syz-execprog) score 1 or sacrifice child [ 629.673005] Killed process 15811 (syz-executor0) total-vm:37444kB, anon-rss:64kB, file-rss:168kB, shmem-rss:0kB 2018/12/11 20:17:22 executed programs: 7136 2018/12/11 20:17:23 result: failed=false hanged=false err=executor 0: 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 [ 631.669413] IPVS: ftp: loaded support on port[0] = 21 [ 631.892232] device bridge_slave_1 left promiscuous mode [ 631.897969] bridge0: port 2(bridge_slave_1) entered disabled state [ 631.932614] device bridge_slave_0 left promiscuous mode [ 631.938071] bridge0: port 1(bridge_slave_0) entered disabled state [ 631.988299] team0 (unregistering): Port device team_slave_1 removed [ 631.997708] team0 (unregistering): Port device team_slave_0 removed [ 632.007645] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 632.074903] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 632.133135] bond0 (unregistering): Released all slaves [ 632.417388] bridge0: port 1(bridge_slave_0) entered blocking state [ 632.423944] bridge0: port 1(bridge_slave_0) entered disabled state [ 632.431267] device bridge_slave_0 entered promiscuous mode [ 632.458904] bridge0: port 2(bridge_slave_1) entered blocking state [ 632.465653] bridge0: port 2(bridge_slave_1) entered disabled state [ 632.473394] device bridge_slave_1 entered promiscuous mode [ 632.498176] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 632.523709] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 632.603907] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 632.633997] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 632.753583] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 632.761021] team0: Port device team_slave_0 added [ 632.786208] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 632.793669] team0: Port device team_slave_1 added [ 632.818786] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 632.850010] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 632.878987] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 632.908536] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 633.155303] bridge0: port 2(bridge_slave_1) entered blocking state [ 633.161694] bridge0: port 2(bridge_slave_1) entered forwarding state [ 633.168414] bridge0: port 1(bridge_slave_0) entered blocking state [ 633.174796] bridge0: port 1(bridge_slave_0) entered forwarding state [ 633.858597] 8021q: adding VLAN 0 to HW filter on device bond0 [ 633.913561] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 633.966899] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 633.973211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 633.980163] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 634.032825] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/11 20:17:27 executed programs: 7208 2018/12/11 20:17:32 executed programs: 7597 2018/12/11 20:17:37 executed programs: 7981 2018/12/11 20:17:42 executed programs: 8356 2018/12/11 20:17:50 executed programs: 8554 2018/12/11 20:17:57 executed programs: 8558 [ 671.977377] syz-executor0 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 671.993229] syz-executor0 cpuset=syz0 mems_allowed=0 [ 672.006701] CPU: 1 PID: 18253 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #150 [ 672.014179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 672.023539] Call Trace: [ 672.026152] dump_stack+0x244/0x39d [ 672.029799] ? dump_stack_print_info.cold.1+0x20/0x20 [ 672.035005] ? mark_held_locks+0x130/0x130 [ 672.039254] ? mark_held_locks+0x130/0x130 [ 672.043501] dump_header+0x27b/0xf72 [ 672.047244] ? pagefault_out_of_memory+0x197/0x197 [ 672.052187] ? mark_held_locks+0x130/0x130 [ 672.056433] ? __lock_acquire+0x62f/0x4c20 [ 672.060681] ? percpu_ref_get_many+0x240/0x240 [ 672.065262] ? print_usage_bug+0xc0/0xc0 [ 672.069312] ? zap_class+0x640/0x640 [ 672.073013] ? print_usage_bug+0xc0/0xc0 [ 672.077058] ? print_usage_bug+0xc0/0xc0 [ 672.081133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 672.086671] ? find_held_lock+0x36/0x1c0 [ 672.090722] ? mark_held_locks+0xc7/0x130 [ 672.094871] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 672.099992] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 672.105098] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 672.109686] ? trace_hardirqs_on+0xbd/0x310 [ 672.113995] ? kasan_check_read+0x11/0x20 [ 672.118133] ? ___ratelimit+0x3b4/0x672 [ 672.122114] ? trace_hardirqs_off_caller+0x310/0x310 [ 672.127227] ? trace_hardirqs_on+0x310/0x310 [ 672.131644] ? lock_downgrade+0x900/0x900 [ 672.135809] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 672.140927] ? ___ratelimit+0x3b9/0x672 [ 672.144920] ? idr_get_free+0xf70/0xf70 [ 672.148903] ? kasan_check_read+0x11/0x20 [ 672.153057] ? do_raw_spin_unlock+0xa7/0x330 [ 672.157481] oom_kill_process.cold.27+0x10/0x903 [ 672.162247] ? zap_class+0x640/0x640 [ 672.166001] ? _raw_spin_unlock+0x2c/0x50 [ 672.170170] ? oom_badness+0xe6/0xaa0 [ 672.173983] ? oom_evaluate_task+0x540/0x540 [ 672.178403] ? find_held_lock+0x36/0x1c0 [ 672.182469] ? out_of_memory+0x974/0x1430 [ 672.186607] ? lock_downgrade+0x900/0x900 [ 672.190739] ? check_preemption_disabled+0x48/0x280 [ 672.195743] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 672.200699] ? kasan_check_read+0x11/0x20 [ 672.204832] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 672.210101] ? rcu_softirq_qs+0x20/0x20 [ 672.214067] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 672.219586] ? oom_evaluate_task+0x302/0x540 [ 672.223978] out_of_memory+0xa84/0x1430 [ 672.227943] ? oom_killer_disable+0x3a0/0x3a0 [ 672.232422] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 672.237340] ? __ww_mutex_check_waiters+0x160/0x160 [ 672.242346] __alloc_pages_slowpath+0x232c/0x2de0 [ 672.247204] ? warn_alloc+0x120/0x120 [ 672.250988] ? mark_held_locks+0x130/0x130 [ 672.255210] ? mark_held_locks+0x130/0x130 [ 672.259450] ? warn_alloc+0x120/0x120 [ 672.263239] ? print_usage_bug+0xc0/0xc0 [ 672.267284] ? print_usage_bug+0xc0/0xc0 [ 672.271331] ? print_usage_bug+0xc0/0xc0 [ 672.275383] ? unwind_dump+0x190/0x190 [ 672.279259] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 672.284781] ? should_fail+0x22d/0xd01 [ 672.288653] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 672.293758] ? zap_class+0x640/0x640 [ 672.297501] ? find_held_lock+0x36/0x1c0 [ 672.301673] ? lock_release+0xa00/0xa00 [ 672.305659] ? perf_trace_sched_process_exec+0x860/0x860 [ 672.311128] ? check_preemption_disabled+0x48/0x280 [ 672.316163] ? __might_sleep+0x95/0x190 [ 672.320152] __alloc_pages_nodemask+0xad8/0xea0 [ 672.324830] ? zap_class+0x640/0x640 [ 672.328554] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 672.333566] ? find_held_lock+0x36/0x1c0 [ 672.337633] ? cache_grow_begin+0x65/0x8c0 [ 672.341888] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 672.346457] ? trace_hardirqs_on+0xbd/0x310 [ 672.350939] ? fallback_alloc+0x204/0x2e0 [ 672.355090] ? trace_hardirqs_off_caller+0x310/0x310 [ 672.360193] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 672.365718] cache_grow_begin+0xa5/0x8c0 [ 672.369767] ? do_raw_spin_unlock+0xa7/0x330 [ 672.374165] fallback_alloc+0x204/0x2e0 [ 672.378127] ____cache_alloc_node+0x1c7/0x1e0 [ 672.382619] kmem_cache_alloc+0x1f8/0x730 [ 672.386757] getname_flags+0xd0/0x590 [ 672.390542] ? lock_downgrade+0x900/0x900 [ 672.394684] user_path_at_empty+0x2d/0x50 [ 672.398816] vfs_statx+0x129/0x210 [ 672.402340] ? vfs_statx_fd+0xc0/0xc0 [ 672.406133] ? kasan_check_write+0x14/0x20 [ 672.410371] __do_sys_newlstat+0x8f/0x110 [ 672.414511] ? __do_sys_newstat+0x110/0x110 [ 672.418820] ? do_syscall_64+0x9a/0x820 [ 672.422778] ? do_syscall_64+0x9a/0x820 [ 672.426737] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 672.431305] ? trace_hardirqs_on+0xbd/0x310 [ 672.435615] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 672.440964] ? trace_hardirqs_off_caller+0x310/0x310 [ 672.446084] __x64_sys_newlstat+0x54/0x80 [ 672.450241] do_syscall_64+0x1b9/0x820 [ 672.454130] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 672.459491] ? syscall_return_slowpath+0x5e0/0x5e0 [ 672.464414] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 672.469248] ? trace_hardirqs_on_caller+0x310/0x310 [ 672.474254] ? prepare_exit_to_usermode+0x291/0x3b0 [ 672.479263] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 672.484107] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 672.489371] RIP: 0033:0x456a35 [ 672.492556] Code: d4 ff ff ff 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 c7 c2 d4 ff ff ff f7 d8 64 89 [ 672.511628] RSP: 002b:00007ffda846df18 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 [ 672.519333] RAX: ffffffffffffffda RBX: 00000000000a40bc RCX: 0000000000456a35 [ 672.526588] RDX: 00007ffda846df30 RSI: 00007ffda846df30 RDI: 00007ffda846dfc0 [ 672.533849] RBP: 000000000000068e R08: 0000000000000000 R09: 000000000000000d [ 672.541122] R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffda846f050 [ 672.548378] R13: 0000000000e84940 R14: 0000000000000000 R15: 0000000000000000 [ 672.558999] Mem-Info: [ 672.561599] active_anon:3835 inactive_anon:190 isolated_anon:0 [ 672.561599] active_file:104 inactive_file:147 isolated_file:27 [ 672.561599] unevictable:0 dirty:0 writeback:1 unstable:0 [ 672.561599] slab_reclaimable:12881 slab_unreclaimable:1521674 [ 672.561599] mapped:213 shmem:244 pagetables:289 bounce:0 [ 672.561599] free:24584 free_pcp:240 free_cma:0 [ 672.596129] Node 0 active_anon:15352kB inactive_anon:760kB active_file:252kB inactive_file:628kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:668kB dirty:28kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 672.624610] 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 [ 672.651116] lowmem_reserve[]: 0 2818 6321 6321 [ 672.656028] Node 0 DMA32 free:44060kB min:30052kB low:37564kB high:45076kB active_anon:24kB 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 [ 672.683658] lowmem_reserve[]: 0 0 3503 3503 [ 672.688012] Node 0 Normal free:38668kB min:37364kB low:46704kB high:56044kB active_anon:15328kB inactive_anon:760kB active_file:488kB inactive_file:556kB unevictable:0kB writepending:28kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6016kB pagetables:1164kB bounce:0kB free_pcp:300kB local_pcp:204kB free_cma:0kB [ 672.719304] lowmem_reserve[]: 0 0 0 0 [ 672.724085] 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 [ 672.738007] Node 0 DMA32: 5*4kB (UME) 5*8kB (ME) 8*16kB (UME) 9*32kB (UME) 1*64kB (U) 4*128kB (UME) 4*256kB (UME) 4*512kB (UME) 5*1024kB (UME) 5*2048kB (UME) 6*4096kB (M) = 44060kB [ 672.754479] Node 0 Normal: 198*4kB (UMEH) 276*8kB (UMEH) 117*16kB (UMEH) 47*32kB (UMEH) 25*64kB (UMEH) 44*128kB (UME) 12*256kB (UM) 13*512kB (UM) 6*1024kB (UM) 4*2048kB (M) 0*4096kB = 37672kB [ 672.772654] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 672.781802] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 672.790390] 659 total pagecache pages [ 672.813797] 0 pages in swap cache [ 672.817285] Swap cache stats: add 0, delete 0, find 0/0 [ 672.822702] Free swap = 0kB [ 672.825723] Total swap = 0kB [ 672.828751] 1965979 pages RAM [ 672.831937] 0 pages HighMem/MovableOnly [ 672.835912] 342853 pages reserved [ 672.839361] 0 pages cma reserved [ 672.842812] Unreclaimable slab info: [ 672.846532] Name Used Total [ 672.852131] pid_2 68KB 92KB [ 672.857536] TIPC 2KB 7KB [ 672.865266] SCTPv6 4KB 6KB [ 672.870666] DCCPv6 4KB 7KB [ 672.878727] DCCP 4KB 6KB [ 672.887722] bridge_fdb_cache 1KB 7KB [ 672.901299] fib6_nodes 13KB 32KB [ 672.906737] ip6_dst_cache 19KB 56KB [ 672.919377] RAWv6 19KB 32KB [ 672.924856] UDPv6 3KB 3KB [ 672.930229] TCPv6 8KB 11KB [ 672.935713] nf_conntrack 0KB 3KB [ 672.941111] sd_ext_cdb 0KB 3KB [ 672.946837] scsi_sense_cache 1056KB 1060KB [ 672.952253] virtio_scsi_cmd 16KB 16KB [ 672.957624] sgpool-128 8KB 8KB [ 672.963076] sgpool-64 4KB 6KB [ 672.968444] sgpool-32 2KB 7KB [ 672.973859] sgpool-16 1KB 3KB [ 672.979243] sgpool-8 0KB 3KB [ 672.984658] mqueue_inode_cache 2KB 7KB [ 672.990114] bio_post_read_ctx 14KB 15KB [ 672.995562] bio-2 14KB 15KB [ 673.000931] jfs_mp 7KB 7KB [ 673.006382] nfs_commit_data 3KB 7KB [ 673.011801] nfs_write_data 32KB 32KB [ 673.017191] ext4_system_zone 0KB 3KB [ 673.022620] bio-1 1KB 3KB [ 673.028023] pid_namespace 0KB 3KB [ 673.033477] rpc_buffers 17KB 19KB [ 673.038848] rpc_tasks 2KB 3KB [ 673.044283] UNIX 9KB 14KB [ 673.049653] tcp_bind_bucket 0KB 4KB [ 673.055115] ip_fib_trie 2KB 7KB [ 673.060479] ip_fib_alias 9KB 19KB [ 673.065877] ip_dst_cache 0KB 8KB [ 673.071221] RAW 11KB 21KB [ 673.076602] UDP 8KB 13KB [ 673.082006] TCP 5KB 5KB [ 673.087384] hugetlbfs_inode_cache 2KB 7KB [ 673.093145] fscache_cookie_jar 1KB 7KB [ 673.098597] eventpoll_pwq 26KB 43KB [ 673.104017] eventpoll_epi 48KB 78KB [ 673.109391] inotify_inode_mark 52KB 78KB [ 673.114895] request_queue 164KB 164KB [ 673.120263] blkdev_ioc 15KB 23KB [ 673.125709] bio-0 7488KB 7488KB [ 673.131074] biovec-max 1815KB 1815KB [ 673.136521] biovec-64 7961KB 7961KB [ 673.141954] biovec-16 1826KB 1826KB [ 673.147329] bio_integrity_payload 1KB 3KB [ 673.153125] khugepaged_mm_slot 29KB 34KB [ 673.158590] dmaengine-unmap-256 2KB 6KB [ 673.164186] dmaengine-unmap-128 1KB 3KB [ 673.169731] dmaengine-unmap-16 0KB 4KB [ 673.175337] dmaengine-unmap-2 0KB 3KB [ 673.180706] skbuff_fclone_cache 3KB 7KB [ 673.186311] skbuff_head_cache 437KB 1027KB [ 673.191682] configfs_dir_cache 0KB 4KB [ 673.197192] file_lock_cache 0KB 3KB [ 673.202610] file_lock_ctx 0KB 3KB [ 673.207978] fsnotify_mark_connector 30KB 47KB [ 673.213928] net_namespace 8KB 8KB [ 673.219295] shmem_inode_cache 5816KB 5957KB [ 673.224724] task_delay_info 85KB 320KB [ 673.230094] proc_dir_entry 320KB 341KB [ 673.235543] pde_opener 0KB 3KB [ 673.240911] seq_file 286KB 665KB [ 673.246785] sigqueue 86KB 200KB [ 673.252535] kernfs_node_cache 8043KB 8044KB [ 673.257908] mnt_cache 29KB 40KB [ 673.264745] filp 3643KB 6003KB [ 673.270150] names_cache 113764KB 113764KB [ 673.277039] iint_cache 23KB 47KB [ 673.283278] inode_smack 6134KB 6275KB [ 673.288879] key_jar 3KB 7KB [ 673.294629] uts_namespace 0KB 3KB [ 673.300184] nsproxy 0KB 3KB [ 673.305730] vm_area_struct 6115KB 8654KB [ 673.311211] mm_struct 898KB 1495KB [ 673.316803] fs_cache 67KB 260KB [ 673.322440] files_cache 250KB 442KB [ 673.327996] signal_cache 631KB 1171KB [ 673.333689] sighand_cache 416KB 513KB [ 673.340885] task_struct 2722KB 2778KB [ 673.349291] cred_jar 512KB 1440KB [ 673.355323] anon_vma_chain 3816KB 5701KB [ 673.361637] anon_vma 127KB 392KB [ 673.368233] pid 54KB 268KB [ 673.374103] Acpi-Operand 106KB 162KB [ 673.380227] Acpi-Namespace 19KB 23KB [ 673.389300] numa_policy 0KB 3KB [ 673.394969] debug_objects_cache 933KB 935KB [ 673.400765] trace_event_file 260KB 262KB [ 673.406502] ftrace_event_field 376KB 378KB [ 673.412140] pool_workqueue 72KB 80KB [ 673.418489] task_group 0KB 3KB [ 673.424927] page->ptl 1234KB 2806KB [ 673.431145] kmalloc-4M 5701632KB 5701632KB [ 673.436929] kmalloc-2M 2050KB 2050KB [ 673.442509] kmalloc-512k 2056KB 2056KB [ 673.448017] kmalloc-256k 1290KB 1290KB [ 673.453582] kmalloc-128k 650KB 650KB [ 673.459043] kmalloc-64k 330KB 330KB [ 673.465864] kmalloc-32k 726KB 726KB [ 673.471260] kmalloc-16k 214KB 214KB [ 673.477166] kmalloc-8k 882KB 882KB [ 673.489243] kmalloc-4k 13685KB 13714KB [ 673.494688] kmalloc-2k 4477KB 4864KB [ 673.500056] kmalloc-1k 2623KB 3268KB [ 673.505498] kmalloc-512 2223KB 3142KB [ 673.510846] kmalloc-256 5035KB 5092KB [ 673.516239] kmalloc-128 800KB 854KB [ 673.521587] kmalloc-96 1833KB 2400KB [ 673.526967] kmalloc-64 2977KB 3076KB [ 673.532400] kmalloc-32 1962KB 2094KB [ 673.537748] kmalloc-192 2592KB 4144KB [ 673.543128] kmem_cache 171KB 176KB [ 673.548488] Out of memory: Kill process 6023 (syz-execprog) score 1 or sacrifice child [ 673.557009] Killed process 18252 (syz-executor0) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB 2018/12/11 20:18:05 executed programs: 8562 2018/12/11 20:18:07 result: failed=false hanged=false err=executor 0: 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 [ 675.545790] IPVS: ftp: loaded support on port[0] = 21 [ 675.812265] device bridge_slave_1 left promiscuous mode [ 675.817748] bridge0: port 2(bridge_slave_1) entered disabled state [ 675.852549] device bridge_slave_0 left promiscuous mode [ 675.858027] bridge0: port 1(bridge_slave_0) entered disabled state [ 675.909425] team0 (unregistering): Port device team_slave_1 removed [ 675.918926] team0 (unregistering): Port device team_slave_0 removed [ 675.928125] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 675.965259] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 676.039012] bond0 (unregistering): Released all slaves [ 676.380019] bridge0: port 1(bridge_slave_0) entered blocking state [ 676.386914] bridge0: port 1(bridge_slave_0) entered disabled state [ 676.394670] device bridge_slave_0 entered promiscuous mode [ 676.420792] bridge0: port 2(bridge_slave_1) entered blocking state [ 676.427710] bridge0: port 2(bridge_slave_1) entered disabled state [ 676.435462] device bridge_slave_1 entered promiscuous mode [ 676.461428] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 676.489057] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 676.571152] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 676.603859] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 676.728049] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 676.735901] team0: Port device team_slave_0 added [ 676.761207] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 676.769574] team0: Port device team_slave_1 added [ 676.795157] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 676.825357] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 676.854214] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 676.884477] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 677.132749] bridge0: port 2(bridge_slave_1) entered blocking state [ 677.139140] bridge0: port 2(bridge_slave_1) entered forwarding state [ 677.145844] bridge0: port 1(bridge_slave_0) entered blocking state [ 677.152224] bridge0: port 1(bridge_slave_0) entered forwarding state [ 677.780840] 8021q: adding VLAN 0 to HW filter on device bond0 [ 677.835199] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 677.889397] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 677.896072] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 677.903561] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 677.953223] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/11 20:18:10 executed programs: 8579 2018/12/11 20:18:15 executed programs: 8974 2018/12/11 20:18:20 executed programs: 9345 2018/12/11 20:18:25 executed programs: 9740 [ 698.123833] blkid (23058) used greatest stack depth: 1816 bytes left 2018/12/11 20:18:31 executed programs: 9984 [ 702.070477] syz-executor0 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=1000 [ 702.082933] syz-executor0 cpuset=syz0 mems_allowed=0 [ 702.088121] CPU: 1 PID: 23063 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #150 [ 702.095489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 702.104847] Call Trace: [ 702.107425] dump_stack+0x244/0x39d [ 702.111040] ? dump_stack_print_info.cold.1+0x20/0x20 [ 702.116234] dump_header+0x27b/0xf72 [ 702.119939] ? mark_held_locks+0x130/0x130 [ 702.124159] ? pagefault_out_of_memory+0x197/0x197 [ 702.129083] ? mark_held_locks+0x130/0x130 [ 702.133307] ? __lock_acquire+0x62f/0x4c20 [ 702.137532] ? print_usage_bug+0xc0/0xc0 [ 702.141581] ? zap_class+0x640/0x640 [ 702.145290] ? print_usage_bug+0xc0/0xc0 [ 702.149348] ? print_usage_bug+0xc0/0xc0 [ 702.153405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 702.159131] ? find_held_lock+0x36/0x1c0 [ 702.163199] ? mark_held_locks+0xc7/0x130 [ 702.167344] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 702.172441] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 702.177534] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 702.182108] ? trace_hardirqs_on+0xbd/0x310 [ 702.186429] ? kasan_check_read+0x11/0x20 [ 702.190571] ? ___ratelimit+0x3b4/0x672 [ 702.194536] ? trace_hardirqs_off_caller+0x310/0x310 [ 702.199637] ? trace_hardirqs_on+0x310/0x310 [ 702.204041] ? lock_downgrade+0x900/0x900 [ 702.208184] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 702.213288] ? ___ratelimit+0x3b9/0x672 [ 702.217258] ? idr_get_free+0xf70/0xf70 [ 702.221309] ? kasan_check_read+0x11/0x20 [ 702.225456] ? do_raw_spin_unlock+0xa7/0x330 [ 702.229891] oom_kill_process.cold.27+0x10/0x903 [ 702.234650] ? zap_class+0x640/0x640 [ 702.238356] ? _raw_spin_unlock+0x2c/0x50 [ 702.242501] ? oom_badness+0xe6/0xaa0 [ 702.246313] ? oom_evaluate_task+0x540/0x540 [ 702.250721] ? find_held_lock+0x36/0x1c0 [ 702.254776] ? out_of_memory+0x974/0x1430 [ 702.258918] ? lock_downgrade+0x900/0x900 [ 702.263061] ? check_preemption_disabled+0x48/0x280 [ 702.268072] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 702.272998] ? kasan_check_read+0x11/0x20 [ 702.277138] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 702.282424] ? rcu_softirq_qs+0x20/0x20 [ 702.286397] ? kasan_check_write+0x14/0x20 [ 702.290633] ? oom_evaluate_task+0x302/0x540 [ 702.295045] out_of_memory+0xa84/0x1430 [ 702.299019] ? oom_killer_disable+0x3a0/0x3a0 [ 702.303517] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 702.308453] ? __ww_mutex_check_waiters+0x160/0x160 [ 702.313469] __alloc_pages_slowpath+0x232c/0x2de0 [ 702.318353] ? warn_alloc+0x120/0x120 [ 702.322162] ? warn_alloc+0x120/0x120 [ 702.325956] ? print_usage_bug+0xc0/0xc0 [ 702.330009] ? __lock_acquire+0x62f/0x4c20 [ 702.334238] ? save_stack+0x43/0xd0 [ 702.337857] ? print_usage_bug+0xc0/0xc0 [ 702.341948] ? print_usage_bug+0xc0/0xc0 [ 702.346008] ? print_usage_bug+0xc0/0xc0 [ 702.350061] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.355607] ? should_fail+0x22d/0xd01 [ 702.359501] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 702.364597] ? zap_class+0x640/0x640 [ 702.368318] ? find_held_lock+0x36/0x1c0 [ 702.372402] ? lock_release+0xa00/0xa00 [ 702.376374] ? perf_trace_sched_process_exec+0x860/0x860 [ 702.381818] ? check_preemption_disabled+0x48/0x280 [ 702.386843] ? __might_sleep+0x95/0x190 [ 702.390813] __alloc_pages_nodemask+0xad8/0xea0 [ 702.395475] ? zap_class+0x640/0x640 [ 702.399191] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 702.404206] ? find_held_lock+0x36/0x1c0 [ 702.408262] ? cache_grow_begin+0x65/0x8c0 [ 702.412497] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 702.417072] ? trace_hardirqs_on+0xbd/0x310 [ 702.421386] ? fallback_alloc+0x204/0x2e0 [ 702.425528] ? trace_hardirqs_off_caller+0x310/0x310 [ 702.430634] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 702.436161] cache_grow_begin+0xa5/0x8c0 [ 702.440218] ? do_raw_spin_unlock+0xa7/0x330 [ 702.444636] fallback_alloc+0x204/0x2e0 [ 702.448633] ____cache_alloc_node+0x1c7/0x1e0 [ 702.453129] kmem_cache_alloc+0x1f8/0x730 [ 702.457278] getname_flags+0xd0/0x590 [ 702.461094] getname+0x19/0x20 [ 702.464279] do_sys_open+0x383/0x700 [ 702.467986] ? filp_open+0x80/0x80 [ 702.471516] ? trace_hardirqs_on+0x310/0x310 [ 702.475916] ? trace_hardirqs_off_caller+0x310/0x310 [ 702.481011] __x64_sys_open+0x7e/0xc0 [ 702.484809] do_syscall_64+0x1b9/0x820 [ 702.488691] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 702.494064] ? syscall_return_slowpath+0x5e0/0x5e0 [ 702.498990] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 702.503826] ? trace_hardirqs_on_caller+0x310/0x310 [ 702.508837] ? prepare_exit_to_usermode+0x291/0x3b0 [ 702.513864] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 702.518714] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 702.523915] RIP: 0033:0x411290 [ 702.527101] Code: 01 f0 ff ff 0f 83 e0 17 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 1d 4d 63 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 b4 17 00 00 c3 48 83 ec 08 e8 8a fa ff ff [ 702.545992] RSP: 002b:00007fffc646b9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 702.553715] RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 0000000000411290 [ 702.560976] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 00007fffc646ba50 [ 702.568236] RBP: 000000000072bf00 R08: 00007fffc646b9b0 R09: 000000000072bf00 [ 702.575502] R10: 00007fffc646bfb0 R11: 0000000000000246 R12: 00000000022c4914 [ 702.582768] R13: 00000000004c58b8 R14: 00000000004d9f10 R15: 00000000ffffffff [ 702.604324] Mem-Info: [ 702.606952] active_anon:3894 inactive_anon:190 isolated_anon:0 [ 702.606952] active_file:16 inactive_file:53 isolated_file:0 [ 702.606952] unevictable:0 dirty:0 writeback:0 unstable:0 [ 702.606952] slab_reclaimable:12912 slab_unreclaimable:1522415 [ 702.606952] mapped:34 shmem:244 pagetables:305 bounce:0 [ 702.606952] free:24965 free_pcp:62 free_cma:0 [ 702.639738] Node 0 active_anon:15576kB inactive_anon:760kB active_file:864kB inactive_file:1164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1236kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 702.668184] 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 [ 702.695332] lowmem_reserve[]: 0 2818 6321 6321 [ 702.701085] Node 0 DMA32 free:44016kB 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 [ 702.729726] lowmem_reserve[]: 0 0 3503 3503 [ 702.734393] Node 0 Normal free:40372kB min:37364kB low:46704kB high:56044kB active_anon:15576kB inactive_anon:760kB active_file:532kB inactive_file:556kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6176kB pagetables:1220kB bounce:0kB free_pcp:492kB local_pcp:0kB free_cma:0kB [ 702.763423] lowmem_reserve[]: 0 0 0 0 [ 702.767351] 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 [ 702.781090] Node 0 DMA32: 8*4kB (UME) 4*8kB (ME) 5*16kB (ME) 7*32kB (UME) 2*64kB (M) 4*128kB (UME) 4*256kB (UME) 4*512kB (UME) 5*1024kB (UME) 5*2048kB (UME) 6*4096kB (M) = 44016kB [ 702.797430] Node 0 Normal: 376*4kB (MEH) 543*8kB (UMEH) 127*16kB (UMEH) 52*32kB (UMEH) 27*64kB (UMEH) 18*128kB (UME) 14*256kB (UM) 13*512kB (UM) 6*1024kB (UM) 5*2048kB (M) 0*4096kB = 40200kB [ 702.814736] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 702.823656] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 702.832312] 502 total pagecache pages [ 702.836122] 0 pages in swap cache [ 702.839568] Swap cache stats: add 0, delete 0, find 0/0 [ 702.845003] Free swap = 0kB [ 702.848031] Total swap = 0kB [ 702.851061] 1965979 pages RAM [ 702.854288] 0 pages HighMem/MovableOnly [ 702.858361] 342853 pages reserved [ 702.862437] 0 pages cma reserved [ 702.865818] Unreclaimable slab info: [ 702.869530] Name Used Total [ 702.875158] pid_2 79KB 92KB [ 702.880565] TIPC 2KB 7KB [ 702.886001] SCTPv6 4KB 6KB [ 702.891377] DCCPv6 4KB 7KB [ 702.896884] DCCP 4KB 6KB [ 702.902344] bridge_fdb_cache 1KB 7KB [ 702.907713] fib6_nodes 13KB 32KB [ 702.913124] ip6_dst_cache 15KB 60KB [ 702.918508] RAWv6 19KB 19KB [ 702.923965] UDPv6 3KB 3KB [ 702.929336] TCPv6 8KB 11KB [ 702.934778] nf_conntrack 0KB 3KB [ 702.940161] sd_ext_cdb 0KB 3KB [ 702.945583] scsi_sense_cache 1056KB 1060KB [ 702.951037] virtio_scsi_cmd 16KB 16KB [ 702.956487] sgpool-128 8KB 8KB [ 702.961895] sgpool-64 4KB 6KB [ 702.967246] sgpool-32 2KB 7KB [ 702.972695] sgpool-16 1KB 3KB [ 702.978074] sgpool-8 0KB 3KB [ 702.983548] mqueue_inode_cache 2KB 7KB [ 702.989017] bio_post_read_ctx 14KB 15KB [ 702.994492] bio-2 14KB 15KB [ 702.999869] jfs_mp 7KB 7KB [ 703.005345] nfs_commit_data 3KB 7KB [ 703.010724] nfs_write_data 32KB 32KB [ 703.016189] ext4_system_zone 0KB 3KB [ 703.021585] bio-1 1KB 3KB [ 703.027022] pid_namespace 0KB 3KB [ 703.032597] rpc_buffers 17KB 19KB [ 703.037986] rpc_tasks 2KB 3KB [ 703.043460] UNIX 9KB 14KB [ 703.048838] tcp_bind_bucket 0KB 4KB [ 703.054281] ip_fib_trie 2KB 7KB [ 703.059671] ip_fib_alias 9KB 19KB [ 703.065121] ip_dst_cache 0KB 8KB [ 703.070492] RAW 11KB 14KB [ 703.075906] UDP 8KB 13KB [ 703.081272] TCP 5KB 5KB [ 703.086700] hugetlbfs_inode_cache 2KB 7KB [ 703.092469] fscache_cookie_jar 1KB 7KB [ 703.097998] eventpoll_pwq 33KB 43KB [ 703.104888] eventpoll_epi 63KB 78KB [ 703.110256] inotify_inode_mark 66KB 78KB [ 703.115768] request_queue 164KB 164KB [ 703.121139] blkdev_ioc 15KB 23KB [ 703.126577] bio-0 1938KB 1938KB [ 703.131985] biovec-max 1617KB 1617KB [ 703.137337] biovec-64 1165KB 1165KB [ 703.142766] biovec-16 423KB 423KB [ 703.148136] bio_integrity_payload 1KB 3KB [ 703.153909] khugepaged_mm_slot 30KB 34KB [ 703.159377] dmaengine-unmap-256 2KB 6KB [ 703.164972] dmaengine-unmap-128 1KB 3KB [ 703.170518] dmaengine-unmap-16 0KB 4KB [ 703.176021] dmaengine-unmap-2 0KB 3KB [ 703.181404] skbuff_fclone_cache 4KB 7KB [ 703.186995] skbuff_head_cache 502KB 1065KB [ 703.192406] configfs_dir_cache 0KB 4KB [ 703.197858] file_lock_cache 0KB 3KB [ 703.203290] file_lock_ctx 0KB 3KB [ 703.208669] fsnotify_mark_connector 38KB 47KB [ 703.214627] net_namespace 8KB 8KB [ 703.220008] shmem_inode_cache 5910KB 5961KB [ 703.225425] task_delay_info 107KB 316KB [ 703.230801] proc_dir_entry 321KB 348KB [ 703.236217] pde_opener 0KB 3KB [ 703.241590] seq_file 319KB 661KB [ 703.247005] sigqueue 96KB 200KB [ 703.252424] kernfs_node_cache 8043KB 8052KB [ 703.257789] mnt_cache 29KB 36KB [ 703.263240] filp 3963KB 5970KB [ 703.268609] names_cache 123122KB 123122KB [ 703.274036] iint_cache 19KB 47KB [ 703.279413] inode_smack 6182KB 6275KB [ 703.284829] key_jar 3KB 7KB [ 703.290193] uts_namespace 0KB 3KB [ 703.295626] nsproxy 0KB 3KB [ 703.301022] vm_area_struct 6614KB 8612KB [ 703.306465] mm_struct 1028KB 1534KB [ 703.311871] fs_cache 95KB 260KB [ 703.317237] files_cache 298KB 450KB [ 703.322693] signal_cache 770KB 1157KB [ 703.328072] sighand_cache 441KB 513KB [ 703.333528] task_struct 2877KB 2932KB [ 703.338896] cred_jar 635KB 1432KB [ 703.344317] anon_vma_chain 4135KB 5693KB [ 703.349688] anon_vma 142KB 392KB [ 703.355115] pid 64KB 268KB [ 703.360483] Acpi-Operand 106KB 162KB [ 703.365920] Acpi-Namespace 19KB 23KB [ 703.371281] numa_policy 0KB 3KB [ 703.376714] debug_objects_cache 1005KB 1005KB [ 703.382301] trace_event_file 260KB 262KB [ 703.387654] ftrace_event_field 376KB 378KB [ 703.393146] pool_workqueue 72KB 76KB [ 703.398515] task_group 0KB 3KB [ 703.403963] page->ptl 1341KB 2802KB [ 703.409347] kmalloc-4M 5697536KB 5697536KB [ 703.414765] kmalloc-2M 2050KB 2050KB [ 703.420148] kmalloc-512k 2056KB 2056KB [ 703.425577] kmalloc-256k 1290KB 1290KB [ 703.430954] kmalloc-128k 650KB 650KB [ 703.436373] kmalloc-64k 330KB 330KB [ 703.441797] kmalloc-32k 726KB 825KB [ 703.447162] kmalloc-16k 214KB 264KB [ 703.452615] kmalloc-8k 882KB 907KB [ 703.458025] kmalloc-4k 14628KB 14666KB [ 703.463450] kmalloc-2k 4534KB 4947KB [ 703.468821] kmalloc-1k 2742KB 3268KB [ 703.474295] kmalloc-512 2353KB 3142KB [ 703.479658] kmalloc-256 4976KB 5088KB [ 703.485074] kmalloc-128 837KB 854KB [ 703.490446] kmalloc-96 1758KB 2332KB [ 703.495864] kmalloc-64 3065KB 3080KB [ 703.501236] kmalloc-32 2043KB 2094KB [ 703.506653] kmalloc-192 2691KB 4144KB [ 703.512063] kmem_cache 171KB 176KB [ 703.517418] Out of memory: Kill process 23063 (syz-executor0) score 999 or sacrifice child [ 703.526754] Killed process 23063 (syz-executor0) total-vm:37440kB, anon-rss:88kB, file-rss:0kB, shmem-rss:0kB [ 703.537354] oom_reaper: reaped process 23063 (syz-executor0), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 707.345302] syz-executor0 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=1000 [ 707.359479] syz-executor0 cpuset=syz0 mems_allowed=0 [ 707.365648] CPU: 0 PID: 23064 Comm: syz-executor0 Not tainted 4.20.0-rc6+ #150 [ 707.373026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 707.382417] Call Trace: [ 707.385000] dump_stack+0x244/0x39d [ 707.388620] ? dump_stack_print_info.cold.1+0x20/0x20 [ 707.393802] dump_header+0x27b/0xf72 [ 707.397508] ? mark_held_locks+0x130/0x130 [ 707.401729] ? pagefault_out_of_memory+0x197/0x197 [ 707.406694] ? mark_held_locks+0x130/0x130 [ 707.410929] ? __lock_acquire+0x62f/0x4c20 [ 707.415156] ? print_usage_bug+0xc0/0xc0 [ 707.419208] ? zap_class+0x640/0x640 [ 707.422917] ? print_usage_bug+0xc0/0xc0 [ 707.426976] ? print_usage_bug+0xc0/0xc0 [ 707.431059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 707.436593] ? find_held_lock+0x36/0x1c0 [ 707.440645] ? mark_held_locks+0xc7/0x130 [ 707.444784] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 707.449889] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 707.454977] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 707.459546] ? trace_hardirqs_on+0xbd/0x310 [ 707.463853] ? kasan_check_read+0x11/0x20 [ 707.467985] ? ___ratelimit+0x3b4/0x672 [ 707.471945] ? trace_hardirqs_off_caller+0x310/0x310 [ 707.477034] ? trace_hardirqs_on+0x310/0x310 [ 707.481430] ? lock_downgrade+0x900/0x900 [ 707.486206] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 707.491309] ? ___ratelimit+0x3b9/0x672 [ 707.495271] ? idr_get_free+0xf70/0xf70 [ 707.499245] ? kasan_check_read+0x11/0x20 [ 707.503388] ? do_raw_spin_unlock+0xa7/0x330 [ 707.507799] oom_kill_process.cold.27+0x10/0x903 [ 707.512629] ? zap_class+0x640/0x640 [ 707.516357] ? _raw_spin_unlock+0x2c/0x50 [ 707.520489] ? oom_badness+0xe6/0xaa0 [ 707.524280] ? oom_evaluate_task+0x540/0x540 [ 707.528684] ? find_held_lock+0x36/0x1c0 [ 707.532741] ? out_of_memory+0x974/0x1430 [ 707.536886] ? lock_downgrade+0x900/0x900 [ 707.541019] ? check_preemption_disabled+0x48/0x280 [ 707.546023] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 707.550940] ? kasan_check_read+0x11/0x20 [ 707.555076] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 707.560340] ? rcu_softirq_qs+0x20/0x20 [ 707.564310] ? kasan_check_write+0x14/0x20 [ 707.568529] ? oom_evaluate_task+0x302/0x540 [ 707.572929] out_of_memory+0xa84/0x1430 [ 707.576893] ? oom_killer_disable+0x3a0/0x3a0 [ 707.581514] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 707.586441] ? __ww_mutex_check_waiters+0x160/0x160 [ 707.591802] __alloc_pages_slowpath+0x232c/0x2de0 [ 707.603518] ? warn_alloc+0x120/0x120 [ 707.607327] ? warn_alloc+0x120/0x120 [ 707.611122] ? print_usage_bug+0xc0/0xc0 [ 707.615173] ? __lock_acquire+0x62f/0x4c20 [ 707.619448] ? save_stack+0x43/0xd0 [ 707.623152] ? print_usage_bug+0xc0/0xc0 [ 707.627200] ? print_usage_bug+0xc0/0xc0 [ 707.631277] ? print_usage_bug+0xc0/0xc0 [ 707.635341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.640866] ? should_fail+0x22d/0xd01 [ 707.644767] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 707.649861] ? zap_class+0x640/0x640 [ 707.653584] ? find_held_lock+0x36/0x1c0 [ 707.658189] ? lock_release+0xa00/0xa00 [ 707.662173] ? perf_trace_sched_process_exec+0x860/0x860 [ 707.667634] ? check_preemption_disabled+0x48/0x280 [ 707.672644] ? __might_sleep+0x95/0x190 [ 707.676607] __alloc_pages_nodemask+0xad8/0xea0 [ 707.681271] ? zap_class+0x640/0x640 [ 707.684980] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 707.689988] ? find_held_lock+0x36/0x1c0 [ 707.694047] ? cache_grow_begin+0x65/0x8c0 [ 707.698309] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 707.702879] ? trace_hardirqs_on+0xbd/0x310 [ 707.707187] ? fallback_alloc+0x204/0x2e0 [ 707.711323] ? trace_hardirqs_off_caller+0x310/0x310 [ 707.716428] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 707.721960] cache_grow_begin+0xa5/0x8c0 [ 707.726006] ? do_raw_spin_unlock+0xa7/0x330 [ 707.730427] fallback_alloc+0x204/0x2e0 [ 707.734419] ____cache_alloc_node+0x1c7/0x1e0 [ 707.738918] kmem_cache_alloc+0x1f8/0x730 [ 707.743064] getname_flags+0xd0/0x590 [ 707.746867] getname+0x19/0x20 [ 707.750053] do_sys_open+0x383/0x700 [ 707.753758] ? filp_open+0x80/0x80 [ 707.757297] ? trace_hardirqs_on+0x310/0x310 [ 707.761694] ? trace_hardirqs_off_caller+0x310/0x310 [ 707.766787] __x64_sys_open+0x7e/0xc0 [ 707.770577] do_syscall_64+0x1b9/0x820 [ 707.774457] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 707.780027] ? syscall_return_slowpath+0x5e0/0x5e0 [ 707.784944] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.789781] ? trace_hardirqs_on_caller+0x310/0x310 [ 707.794789] ? prepare_exit_to_usermode+0x291/0x3b0 [ 707.799799] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.804633] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 707.809808] RIP: 0033:0x411290 [ 707.812991] Code: 01 f0 ff ff 0f 83 e0 17 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 1d 4d 63 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 b4 17 00 00 c3 48 83 ec 08 e8 8a fa ff ff [ 707.831879] RSP: 002b:00007fffc646b9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 707.839574] RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 0000000000411290 [ 707.846828] RDX: 0000000000000000 RSI: 0000000000010000 RDI: 00007fffc646ba50 [ 707.854086] RBP: 000000000072bf00 R08: 00007fffc646b9b0 R09: 000000000072bf00 [ 707.861344] R10: 00007fffc646bfb0 R11: 0000000000000246 R12: 00000000022c4914 [ 707.868599] R13: 00000000004c58b8 R14: 00000000004d9f10 R15: 00000000ffffffff [ 707.880245] Mem-Info: [ 707.882771] active_anon:3881 inactive_anon:190 isolated_anon:0 [ 707.882771] active_file:98 inactive_file:88 isolated_file:32 [ 707.882771] unevictable:0 dirty:7 writeback:0 unstable:0 [ 707.882771] slab_reclaimable:12898 slab_unreclaimable:1522216 [ 707.882771] mapped:189 shmem:244 pagetables:298 bounce:0 [ 707.882771] free:24298 free_pcp:287 free_cma:0 [ 707.915791] Node 0 active_anon:15524kB inactive_anon:760kB active_file:288kB inactive_file:232kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:456kB dirty:28kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 707.943224] 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 [ 707.969677] lowmem_reserve[]: 0 2818 6321 6321 [ 707.974361] Node 0 DMA32 free:44016kB 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 [ 708.003190] lowmem_reserve[]: 0 0 3503 3503 [ 708.008564] Node 0 Normal free:40036kB min:37364kB low:46704kB high:56044kB active_anon:15524kB inactive_anon:760kB active_file:96kB inactive_file:164kB unevictable:0kB writepending:28kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6144kB pagetables:1192kB bounce:0kB free_pcp:432kB local_pcp:124kB free_cma:0kB [ 708.037918] lowmem_reserve[]: 0 0 0 0 [ 708.041925] 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 [ 708.055806] Node 0 DMA32: 8*4kB (UME) 4*8kB (ME) 5*16kB (ME) 7*32kB (UME) 2*64kB (M) 4*128kB (UME) 4*256kB (UME) 4*512kB (UME) 5*1024kB (UME) 5*2048kB (UME) 6*4096kB (M) = 44016kB [ 708.072280] Node 0 Normal: 516*4kB (MEH) 392*8kB (UMEH) 149*16kB (UMEH) 50*32kB (UMEH) 27*64kB (UMEH) 18*128kB (UME) 14*256kB (UM) 13*512kB (UM) 6*1024kB (UM) 5*2048kB (M) 0*4096kB = 39840kB [ 708.089653] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 708.098784] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 708.107549] 360 total pagecache pages [ 708.111601] 0 pages in swap cache [ 708.115192] Swap cache stats: add 0, delete 0, find 0/0 [ 708.120648] Free swap = 0kB [ 708.124040] Total swap = 0kB [ 708.127340] 1965979 pages RAM [ 708.130518] 0 pages HighMem/MovableOnly [ 708.135578] 342853 pages reserved [ 708.139360] 0 pages cma reserved [ 708.143086] Unreclaimable slab info: [ 708.147017] Name Used Total [ 708.152802] pid_2 73KB 92KB [ 708.158391] TIPC 2KB 7KB [ 708.164167] SCTPv6 4KB 6KB [ 708.169689] DCCPv6 4KB 7KB [ 708.175312] DCCP 4KB 6KB [ 708.180861] bridge_fdb_cache 1KB 7KB [ 708.186537] fib6_nodes 13KB 32KB [ 708.192207] ip6_dst_cache 31KB 56KB [ 708.197884] RAWv6 19KB 19KB [ 708.203503] UDPv6 3KB 3KB [ 708.209044] TCPv6 8KB 11KB [ 708.214576] nf_conntrack 0KB 3KB [ 708.220284] sd_ext_cdb 0KB 3KB [ 708.226026] scsi_sense_cache 1056KB 1060KB [ 708.231641] virtio_scsi_cmd 16KB 16KB [ 708.237245] sgpool-128 8KB 8KB [ 708.242920] sgpool-64 4KB 6KB [ 708.248645] sgpool-32 2KB 7KB [ 708.254414] sgpool-16 1KB 3KB [ 708.260078] sgpool-8 0KB 3KB [ 708.266650] mqueue_inode_cache 2KB 7KB [ 708.272374] bio_post_read_ctx 14KB 15KB [ 708.277992] bio-2 14KB 15KB [ 708.283618] jfs_mp 7KB 7KB [ 708.289210] nfs_commit_data 3KB 7KB [ 708.294850] nfs_write_data 32KB 32KB [ 708.300424] ext4_system_zone 0KB 3KB [ 708.306223] bio-1 1KB 3KB [ 708.311917] pid_namespace 0KB 3KB [ 708.318177] rpc_buffers 17KB 19KB [ 708.324775] rpc_tasks 2KB 3KB [ 708.331071] UNIX 9KB 14KB [ 708.337635] tcp_bind_bucket 0KB 4KB [ 708.343911] ip_fib_trie 2KB 7KB [ 708.349563] ip_fib_alias 9KB 19KB [ 708.355807] ip_dst_cache 0KB 8KB [ 708.362322] RAW 11KB 14KB [ 708.368743] UDP 8KB 13KB [ 708.375446] TCP 5KB 5KB [ 708.382055] hugetlbfs_inode_cache 2KB 7KB [ 708.388879] fscache_cookie_jar 1KB 7KB [ 708.396078] eventpoll_pwq 28KB 43KB [ 708.402490] eventpoll_epi 53KB 78KB [ 708.408203] inotify_inode_mark 61KB 78KB [ 708.414060] request_queue 164KB 164KB [ 708.419897] blkdev_ioc 15KB 23KB [ 708.425646] bio-0 3116KB 3116KB [ 708.431270] biovec-max 1996KB 1996KB [ 708.436960] biovec-64 1842KB 1842KB [ 708.442838] biovec-16 727KB 727KB [ 708.448477] bio_integrity_payload 1KB 3KB [ 708.454746] khugepaged_mm_slot 29KB 34KB [ 708.460684] dmaengine-unmap-256 2KB 6KB [ 708.466595] dmaengine-unmap-128 1KB 3KB [ 708.472602] dmaengine-unmap-16 0KB 4KB [ 708.478390] dmaengine-unmap-2 0KB 3KB [ 708.484377] skbuff_fclone_cache 2KB 7KB [ 708.490150] skbuff_head_cache 499KB 1061KB [ 708.495838] configfs_dir_cache 0KB 4KB [ 708.501881] file_lock_cache 0KB 3KB [ 708.507525] file_lock_ctx 0KB 3KB [ 708.513196] fsnotify_mark_connector 34KB 47KB [ 708.519379] net_namespace 8KB 8KB [ 708.525579] shmem_inode_cache 5895KB 5961KB [ 708.531355] task_delay_info 96KB 316KB [ 708.537109] proc_dir_entry 321KB 348KB [ 708.542829] pde_opener 0KB 3KB [ 708.548471] seq_file 313KB 653KB [ 708.554137] sigqueue 92KB 200KB [ 708.559848] kernfs_node_cache 8043KB 8052KB [ 708.565553] mnt_cache 29KB 36KB [ 708.571204] filp 3922KB 5962KB [ 708.577107] names_cache 121320KB 121358KB [ 708.582978] iint_cache 19KB 47KB [ 708.589008] inode_smack 6176KB 6275KB [ 708.594713] key_jar 3KB 7KB [ 708.600382] uts_namespace 0KB 3KB [ 708.606266] nsproxy 0KB 3KB [ 708.612120] vm_area_struct 6511KB 8612KB [ 708.617871] mm_struct 996KB 1534KB [ 708.623850] fs_cache 78KB 252KB [ 708.629706] files_cache 276KB 442KB [ 708.635433] signal_cache 753KB 1150KB [ 708.641135] sighand_cache 423KB 513KB [ 708.646849] task_struct 2827KB 2883KB [ 708.654305] cred_jar 611KB 1416KB [ 708.660665] anon_vma_chain 4064KB 5693KB [ 708.667462] anon_vma 136KB 392KB [ 708.674774] pid 58KB 256KB [ 708.688736] Acpi-Operand 106KB 162KB [ 708.696932] Acpi-Namespace 19KB 23KB [ 708.702892] numa_policy 0KB 3KB [ 708.709076] debug_objects_cache 1001KB 1005KB [ 708.715713] trace_event_file 260KB 262KB [ 708.721536] ftrace_event_field 376KB 378KB [ 708.727129] pool_workqueue 72KB 76KB [ 708.732645] task_group 0KB 3KB [ 708.738112] page->ptl 1319KB 2802KB [ 708.743631] kmalloc-4M 5697536KB 5697536KB [ 708.749146] kmalloc-2M 2050KB 2050KB [ 708.754720] kmalloc-512k 2056KB 2056KB [ 708.760174] kmalloc-256k 1290KB 1290KB [ 708.765707] kmalloc-128k 650KB 650KB [ 708.771245] kmalloc-64k 330KB 330KB [ 708.776799] kmalloc-32k 726KB 825KB [ 708.782877] kmalloc-16k 214KB 264KB [ 708.788394] kmalloc-8k 882KB 907KB [ 708.793964] kmalloc-4k 14467KB 14505KB [ 708.799492] kmalloc-2k 4522KB 4927KB [ 708.806006] kmalloc-1k 2742KB 3268KB [ 708.811627] kmalloc-512 2346KB 3142KB [ 708.817331] kmalloc-256 4981KB 5088KB [ 708.823384] kmalloc-128 830KB 854KB [ 708.829429] kmalloc-96 1766KB 2332KB [ 708.835355] kmalloc-64 3059KB 3080KB [ 708.840988] kmalloc-32 2029KB 2094KB [ 708.846615] kmalloc-192 2667KB 4140KB [ 708.852212] kmem_cache 171KB 176KB [ 708.857746] Out of memory: Kill process 23064 (syz-executor0) score 999 or sacrifice child [ 708.866462] Killed process 23064 (syz-executor0) total-vm:37440kB, anon-rss:88kB, file-rss:0kB, shmem-rss:0kB [ 708.877336] oom_reaper: reaped process 23064 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 709.337655] udevd invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=-1000 [ 709.349599] udevd cpuset=/ mems_allowed=0 [ 709.354851] CPU: 0 PID: 23065 Comm: udevd Not tainted 4.20.0-rc6+ #150 [ 709.361526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 709.370878] Call Trace: [ 709.373458] dump_stack+0x244/0x39d [ 709.377088] ? dump_stack_print_info.cold.1+0x20/0x20 [ 709.382277] dump_header+0x27b/0xf72 [ 709.385983] ? mark_held_locks+0x130/0x130 [ 709.390202] ? pagefault_out_of_memory+0x197/0x197 [ 709.395120] ? __lock_acquire+0x62f/0x4c20 [ 709.399431] ? zap_class+0x640/0x640 [ 709.403140] ? percpu_ref_get_many+0x240/0x240 [ 709.407716] ? print_usage_bug+0xc0/0xc0 [ 709.411767] ? print_usage_bug+0xc0/0xc0 [ 709.415863] ? zap_class+0x640/0x640 [ 709.419592] ? print_usage_bug+0xc0/0xc0 [ 709.423654] ? print_usage_bug+0xc0/0xc0 [ 709.427706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.433229] ? find_held_lock+0x36/0x1c0 [ 709.437281] ? mark_held_locks+0xc7/0x130 [ 709.441432] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 709.446520] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 709.451610] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 709.456179] ? trace_hardirqs_on+0xbd/0x310 [ 709.460509] ? kasan_check_read+0x11/0x20 [ 709.464654] ? ___ratelimit+0x3b4/0x672 [ 709.468615] ? trace_hardirqs_off_caller+0x310/0x310 [ 709.473709] ? trace_hardirqs_on+0x310/0x310 [ 709.478101] ? lock_downgrade+0x900/0x900 [ 709.482239] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 709.487324] ? ___ratelimit+0x3b9/0x672 [ 709.491281] ? idr_get_free+0xf70/0xf70 [ 709.495249] ? kasan_check_read+0x11/0x20 [ 709.499378] ? do_raw_spin_unlock+0xa7/0x330 [ 709.503775] oom_kill_process.cold.27+0x10/0x903 [ 709.508514] ? zap_class+0x640/0x640 [ 709.512213] ? _raw_spin_unlock+0x2c/0x50 [ 709.516343] ? oom_badness+0xe6/0xaa0 [ 709.520125] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 709.525052] ? kasan_check_read+0x11/0x20 [ 709.529182] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 709.534445] ? oom_evaluate_task+0x540/0x540 [ 709.538841] ? find_held_lock+0x36/0x1c0 [ 709.542892] ? out_of_memory+0x974/0x1430 [ 709.547034] ? lock_downgrade+0x900/0x900 [ 709.551169] ? check_preemption_disabled+0x48/0x280 [ 709.556180] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 709.561094] ? kasan_check_read+0x11/0x20 [ 709.565227] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 709.570489] ? rcu_softirq_qs+0x20/0x20 [ 709.574454] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 709.579978] ? oom_evaluate_task+0x302/0x540 [ 709.584377] out_of_memory+0xa84/0x1430 [ 709.588351] ? oom_killer_disable+0x3a0/0x3a0 [ 709.592830] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 709.597744] ? __ww_mutex_check_waiters+0x160/0x160 [ 709.602751] __alloc_pages_slowpath+0x232c/0x2de0 [ 709.607591] ? warn_alloc+0x120/0x120 [ 709.611393] ? warn_alloc+0x120/0x120 [ 709.615187] ? print_usage_bug+0xc0/0xc0 [ 709.619236] ? print_usage_bug+0xc0/0xc0 [ 709.623300] ? print_usage_bug+0xc0/0xc0 [ 709.627352] ? do_swap_page+0x3690/0x3690 [ 709.631486] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 709.637025] ? should_fail+0x22d/0xd01 [ 709.640909] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 709.646001] ? zap_class+0x640/0x640 [ 709.649707] ? find_held_lock+0x36/0x1c0 [ 709.654441] ? lock_release+0xa00/0xa00 [ 709.658407] ? perf_trace_sched_process_exec+0x860/0x860 [ 709.663846] ? check_preemption_disabled+0x48/0x280 [ 709.668854] ? __might_sleep+0x95/0x190 [ 709.672822] __alloc_pages_nodemask+0xad8/0xea0 [ 709.677485] ? zap_class+0x640/0x640 [ 709.681185] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 709.686192] ? find_held_lock+0x36/0x1c0 [ 709.690248] ? cache_grow_begin+0x65/0x8c0 [ 709.694472] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 709.699039] ? trace_hardirqs_on+0xbd/0x310 [ 709.703344] ? fallback_alloc+0x204/0x2e0 [ 709.707482] ? trace_hardirqs_off_caller+0x310/0x310 [ 709.712836] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 709.718383] cache_grow_begin+0xa5/0x8c0 [ 709.722441] ? do_raw_spin_unlock+0xa7/0x330 [ 709.726839] fallback_alloc+0x204/0x2e0 [ 709.730965] ____cache_alloc_node+0x1c7/0x1e0 [ 709.735458] kmem_cache_alloc+0x1f8/0x730 [ 709.739606] ? do_syscall_64+0x9a/0x820 [ 709.743583] ? do_syscall_64+0x9a/0x820 [ 709.747555] getname_flags+0xd0/0x590 [ 709.751341] ? trace_hardirqs_off_caller+0x310/0x310 [ 709.756433] getname+0x19/0x20 [ 709.759608] __x64_sys_execve+0x73/0xc0 [ 709.763569] do_syscall_64+0x1b9/0x820 [ 709.767454] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 709.772808] ? syscall_return_slowpath+0x5e0/0x5e0 [ 709.777721] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.782547] ? trace_hardirqs_on_caller+0x310/0x310 [ 709.787547] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 709.792547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 709.798067] ? prepare_exit_to_usermode+0x291/0x3b0 [ 709.803069] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.807904] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 709.813080] RIP: 0033:0x7f0ee37ec207 [ 709.816787] Code: Bad RIP value. [ 709.820133] RSP: 002b:00007ffe49439e38 EFLAGS: 00000202 ORIG_RAX: 000000000000003b [ 709.827825] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f0ee37ec207 [ 709.835080] RDX: 00000000016e6fd0 RSI: 00007ffe49439f30 RDI: 00007ffe4943af40 [ 709.842336] RBP: 0000000000625500 R08: 0000000000001773 R09: 0000000000001773 [ 709.849592] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000016e6fd0 [ 709.857200] R13: 0000000000000007 R14: 00000000016d7250 R15: 0000000000000005 [ 709.866436] Mem-Info: [ 709.869054] active_anon:3879 inactive_anon:190 isolated_anon:0 [ 709.869054] active_file:65 inactive_file:86 isolated_file:0 [ 709.869054] unevictable:0 dirty:0 writeback:0 unstable:0 [ 709.869054] slab_reclaimable:12899 slab_unreclaimable:1522058 [ 709.869054] mapped:49 shmem:244 pagetables:306 bounce:0 [ 709.869054] free:24733 free_pcp:74 free_cma:0 [ 709.902033] Node 0 active_anon:15516kB inactive_anon:760kB active_file:144kB inactive_file:176kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:60kB dirty:0kB writeback:24kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 709.929386] 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 [ 709.956019] lowmem_reserve[]: 0 2818 6321 6321 [ 709.960932] Node 0 DMA32 free:44016kB 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 [ 709.988616] lowmem_reserve[]: 0 0 3503 3503 [ 709.994445] Node 0 Normal free:38392kB min:37364kB low:46704kB high:56044kB active_anon:15516kB inactive_anon:760kB active_file:244kB inactive_file:800kB unevictable:0kB writepending:24kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6144kB pagetables:1224kB bounce:0kB free_pcp:548kB local_pcp:0kB free_cma:0kB [ 710.023671] lowmem_reserve[]: 0 0 0 0 [ 710.027751] 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 [ 710.041907] Node 0 DMA32: 8*4kB (UME) 4*8kB (ME) 5*16kB (ME) 7*32kB (UME) 2*64kB (M) 4*128kB (UME) 4*256kB (UME) 4*512kB (UME) 5*1024kB (UME) 5*2048kB (UME) 6*4096kB (M) = 44016kB [ 710.058521] Node 0 Normal: 464*4kB (UMEH) 316*8kB (UMEH) 137*16kB (UMEH) 50*32kB (UMEH) 27*64kB (UMEH) 18*128kB (UME) 14*256kB (UM) 13*512kB (UM) 6*1024kB (UM) 5*2048kB (M) 0*4096kB = 38832kB [ 710.076204] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 710.085359] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 710.094406] 484 total pagecache pages [ 710.098524] 0 pages in swap cache [ 710.102034] Swap cache stats: add 0, delete 0, find 0/0 [ 710.107667] Free swap = 0kB [ 710.110845] Total swap = 0kB [ 710.114110] 1965979 pages RAM [ 710.117410] 0 pages HighMem/MovableOnly [ 710.121600] 342853 pages reserved [ 710.127527] 0 pages cma reserved [ 710.131665] Unreclaimable slab info: [ 710.136458] Name Used Total [ 710.142375] pid_2 73KB 92KB [ 710.147901] TIPC 2KB 7KB [ 710.153455] SCTPv6 4KB 6KB [ 710.158944] DCCPv6 4KB 7KB [ 710.164555] DCCP 4KB 6KB [ 710.170904] bridge_fdb_cache 1KB 7KB [ 710.178413] fib6_nodes 13KB 32KB [ 710.184968] ip6_dst_cache 31KB 56KB [ 710.191399] RAWv6 19KB 19KB [ 710.197970] UDPv6 3KB 3KB [ 710.205233] TCPv6 8KB 11KB [ 710.213170] nf_conntrack 0KB 3KB [ 710.227251] sd_ext_cdb 0KB 3KB [ 710.232813] scsi_sense_cache 1056KB 1060KB [ 710.238374] virtio_scsi_cmd 16KB 16KB [ 710.244161] sgpool-128 8KB 8KB [ 710.250697] sgpool-64 4KB 6KB [ 710.258276] sgpool-32 2KB 7KB [ 710.270762] sgpool-16 1KB 3KB [ 710.277747] sgpool-8 0KB 3KB [ 710.287245] mqueue_inode_cache 2KB 7KB [ 710.293876] bio_post_read_ctx 14KB 15KB [ 710.299709] bio-2 14KB 15KB [ 710.305289] jfs_mp 7KB 7KB [ 710.310909] nfs_commit_data 3KB 7KB [ 710.316573] nfs_write_data 32KB 32KB [ 710.322325] ext4_system_zone 0KB 3KB [ 710.327804] bio-1 1KB 3KB [ 710.333373] pid_namespace 0KB 3KB [ 710.338880] rpc_buffers 17KB 19KB [ 710.344421] rpc_tasks 2KB 3KB [ 710.349914] UNIX 9KB 14KB [ 710.355509] tcp_bind_bucket 0KB 4KB [ 710.361168] ip_fib_trie 2KB 7KB [ 710.366881] ip_fib_alias 9KB 19KB [ 710.372433] ip_dst_cache 0KB 8KB [ 710.378040] RAW 11KB 14KB [ 710.384234] UDP 8KB 13KB [ 710.389772] TCP 5KB 5KB [ 710.395401] hugetlbfs_inode_cache 2KB 7KB [ 710.401197] fscache_cookie_jar 1KB 7KB [ 710.406804] eventpoll_pwq 28KB 43KB [ 710.413023] eventpoll_epi 53KB 78KB [ 710.418569] inotify_inode_mark 61KB 78KB [ 710.424266] request_queue 164KB 164KB [ 710.429857] blkdev_ioc 15KB 23KB [ 710.435399] bio-0 3453KB 3453KB [ 710.440974] biovec-max 2054KB 2054KB [ 710.446515] biovec-64 1897KB 1897KB [ 710.452138] biovec-16 825KB 825KB [ 710.457653] bio_integrity_payload 1KB 3KB [ 710.463571] khugepaged_mm_slot 29KB 34KB [ 710.469254] dmaengine-unmap-256 2KB 6KB [ 710.475043] dmaengine-unmap-128 1KB 3KB [ 710.480799] dmaengine-unmap-16 0KB 4KB [ 710.486419] dmaengine-unmap-2 0KB 3KB [ 710.491977] skbuff_fclone_cache 2KB 7KB [ 710.497700] skbuff_head_cache 499KB 1061KB [ 710.503259] configfs_dir_cache 0KB 4KB [ 710.508861] file_lock_cache 0KB 3KB [ 710.515289] file_lock_ctx 0KB 3KB [ 710.520886] fsnotify_mark_connector 34KB 47KB [ 710.527125] net_namespace 8KB 8KB [ 710.532750] shmem_inode_cache 5895KB 5961KB [ 710.538303] task_delay_info 96KB 316KB [ 710.543830] proc_dir_entry 321KB 348KB [ 710.549446] pde_opener 0KB 3KB [ 710.555239] seq_file 313KB 653KB [ 710.560762] sigqueue 92KB 200KB [ 710.566288] kernfs_node_cache 8043KB 8052KB [ 710.572740] mnt_cache 29KB 36KB [ 710.578841] filp 3922KB 5962KB [ 710.584611] names_cache 121380KB 121380KB [ 710.590241] iint_cache 19KB 47KB [ 710.596889] inode_smack 6176KB 6275KB [ 710.603508] key_jar 3KB 7KB [ 710.609894] uts_namespace 0KB 3KB [ 710.625970] nsproxy 0KB 3KB [ 710.631564] vm_area_struct 6511KB 8612KB [ 710.640472] mm_struct 996KB 1534KB [ 710.648462] fs_cache 78KB 252KB [ 710.654843] files_cache 276KB 442KB [ 710.661241] signal_cache 753KB 1150KB [ 710.667687] sighand_cache 423KB 513KB [ 710.673963] task_struct 2827KB 2883KB [ 710.680370] cred_jar 611KB 1416KB [ 710.686862] anon_vma_chain 4064KB 5693KB [ 710.693240] anon_vma 136KB 392KB [ 710.698846] pid 58KB 256KB [ 710.704467] Acpi-Operand 106KB 162KB [ 710.710144] Acpi-Namespace 19KB 23KB [ 710.715777] numa_policy 0KB 3KB [ 710.721451] debug_objects_cache 1001KB 1005KB [ 710.727355] trace_event_file 260KB 262KB [ 710.732961] ftrace_event_field 376KB 378KB [ 710.738608] pool_workqueue 72KB 76KB [ 710.744299] task_group 0KB 3KB [ 710.749895] page->ptl 1319KB 2802KB [ 710.760720] kmalloc-4M 5697536KB 5697536KB [ 710.772979] kmalloc-2M 2050KB 2050KB [ 710.778890] kmalloc-512k 2056KB 2056KB [ 710.785086] kmalloc-256k 1290KB 1290KB [ 710.791348] kmalloc-128k 650KB 650KB [ 710.796771] kmalloc-64k 330KB 330KB [ 710.808329] kmalloc-32k 726KB 825KB [ 710.814983] kmalloc-16k 214KB 264KB [ 710.821325] kmalloc-8k 882KB 907KB [ 710.827190] kmalloc-4k 14467KB 14505KB [ 710.832916] kmalloc-2k 4522KB 4927KB [ 710.838509] kmalloc-1k 2742KB 3268KB [ 710.844206] kmalloc-512 2346KB 3142KB [ 710.849872] kmalloc-256 4981KB 5088KB [ 710.855660] kmalloc-128 830KB 854KB [ 710.861290] kmalloc-96 1766KB 2332KB [ 710.867188] kmalloc-64 3059KB 3080KB [ 710.872877] kmalloc-32 2029KB 2094KB [ 710.878710] kmalloc-192 2667KB 4140KB [ 710.884345] kmem_cache 171KB 176KB [ 710.889883] Out of memory: Kill process 6023 (syz-execprog) score 1 or sacrifice child [ 710.898242] Killed process 20664 (syz-executor0) total-vm:37444kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 710.922657] init invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 710.934680] init cpuset=/ mems_allowed=0 [ 710.939251] CPU: 0 PID: 1 Comm: init Not tainted 4.20.0-rc6+ #150 [ 710.945586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 710.954922] Call Trace: [ 710.957512] dump_stack+0x244/0x39d [ 710.961157] ? dump_stack_print_info.cold.1+0x20/0x20 [ 710.966335] ? mark_held_locks+0x130/0x130 [ 710.970555] ? mark_held_locks+0x130/0x130 [ 710.974776] dump_header+0x27b/0xf72 [ 710.978479] ? pagefault_out_of_memory+0x197/0x197 [ 710.983395] ? __lock_acquire+0x62f/0x4c20 [ 710.987625] ? percpu_ref_get_many+0x240/0x240 [ 710.992197] ? print_usage_bug+0xc0/0xc0 [ 710.996244] ? zap_class+0x640/0x640 [ 710.999963] ? print_usage_bug+0xc0/0xc0 [ 711.004009] ? print_usage_bug+0xc0/0xc0 [ 711.008062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.013597] ? find_held_lock+0x36/0x1c0 [ 711.017650] ? mark_held_locks+0xc7/0x130 [ 711.021788] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 711.026894] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 711.031983] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 711.036551] ? trace_hardirqs_on+0xbd/0x310 [ 711.040854] ? kasan_check_read+0x11/0x20 [ 711.044985] ? ___ratelimit+0x3b4/0x672 [ 711.048946] ? trace_hardirqs_off_caller+0x310/0x310 [ 711.054041] ? trace_hardirqs_on+0x310/0x310 [ 711.058435] ? lock_downgrade+0x900/0x900 [ 711.062573] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 711.067660] ? ___ratelimit+0x3b9/0x672 [ 711.071620] ? idr_get_free+0xf70/0xf70 [ 711.075581] ? kasan_check_read+0x11/0x20 [ 711.079715] ? do_raw_spin_unlock+0xa7/0x330 [ 711.084130] oom_kill_process.cold.27+0x10/0x903 [ 711.088883] ? zap_class+0x640/0x640 [ 711.092582] ? _raw_spin_unlock+0x2c/0x50 [ 711.096712] ? oom_badness+0xe6/0xaa0 [ 711.100496] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 711.105408] ? kasan_check_read+0x11/0x20 [ 711.109541] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 711.114810] ? oom_evaluate_task+0x540/0x540 [ 711.119206] ? find_held_lock+0x36/0x1c0 [ 711.123274] ? out_of_memory+0x974/0x1430 [ 711.127422] ? lock_downgrade+0x900/0x900 [ 711.131572] ? check_preemption_disabled+0x48/0x280 [ 711.136583] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 711.141493] ? kasan_check_read+0x11/0x20 [ 711.145640] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 711.150900] ? rcu_softirq_qs+0x20/0x20 [ 711.154863] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.160383] ? oom_evaluate_task+0x302/0x540 [ 711.164777] out_of_memory+0xa84/0x1430 [ 711.168752] ? oom_killer_disable+0x3a0/0x3a0 [ 711.173239] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 711.178157] ? __ww_mutex_check_waiters+0x160/0x160 [ 711.183169] __alloc_pages_slowpath+0x232c/0x2de0 [ 711.188016] ? warn_alloc+0x120/0x120 [ 711.191818] ? mark_held_locks+0x130/0x130 [ 711.196044] ? kasan_check_read+0x11/0x20 [ 711.200179] ? warn_alloc+0x120/0x120 [ 711.203977] ? print_usage_bug+0xc0/0xc0 [ 711.208029] ? print_usage_bug+0xc0/0xc0 [ 711.212091] ? print_usage_bug+0xc0/0xc0 [ 711.216147] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.221670] ? should_fail+0x22d/0xd01 [ 711.225561] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 711.230651] ? zap_class+0x640/0x640 [ 711.234365] ? find_held_lock+0x36/0x1c0 [ 711.238422] ? lock_release+0xa00/0xa00 [ 711.242381] ? perf_trace_sched_process_exec+0x860/0x860 [ 711.247815] ? check_preemption_disabled+0x48/0x280 [ 711.252819] ? __might_sleep+0x95/0x190 [ 711.256780] __alloc_pages_nodemask+0xad8/0xea0 [ 711.261444] ? zap_class+0x640/0x640 [ 711.265146] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 711.270154] ? find_held_lock+0x36/0x1c0 [ 711.274203] ? cache_grow_begin+0x65/0x8c0 [ 711.278449] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 711.283022] ? trace_hardirqs_on+0xbd/0x310 [ 711.287327] ? fallback_alloc+0x204/0x2e0 [ 711.291461] ? trace_hardirqs_off_caller+0x310/0x310 [ 711.296551] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 711.302077] cache_grow_begin+0xa5/0x8c0 [ 711.306121] ? do_raw_spin_unlock+0xa7/0x330 [ 711.310517] fallback_alloc+0x204/0x2e0 [ 711.314481] ____cache_alloc_node+0x1c7/0x1e0 [ 711.318974] kmem_cache_alloc+0x1f8/0x730 [ 711.323118] getname_flags+0xd0/0x590 [ 711.326900] ? lock_downgrade+0x900/0x900 [ 711.331035] user_path_at_empty+0x2d/0x50 [ 711.335166] vfs_statx+0x129/0x210 [ 711.338690] ? vfs_statx_fd+0xc0/0xc0 [ 711.342478] ? kasan_check_write+0x14/0x20 [ 711.346699] __do_sys_newstat+0x8f/0x110 [ 711.350754] ? cp_new_stat+0xa50/0xa50 [ 711.354628] ? do_syscall_64+0x9a/0x820 [ 711.358585] ? do_syscall_64+0x9a/0x820 [ 711.362546] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 711.367113] ? trace_hardirqs_on+0xbd/0x310 [ 711.371422] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 711.376774] ? trace_hardirqs_off_caller+0x310/0x310 [ 711.381871] __x64_sys_newstat+0x54/0x80 [ 711.385938] do_syscall_64+0x1b9/0x820 [ 711.389807] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 711.395170] ? syscall_return_slowpath+0x5e0/0x5e0 [ 711.400147] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.404974] ? trace_hardirqs_on_caller+0x310/0x310 [ 711.409982] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 711.414996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 711.420519] ? prepare_exit_to_usermode+0x291/0x3b0 [ 711.425522] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.430353] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 711.435527] RIP: 0033:0x7ff2b72c4c65 [ 711.439249] Code: Bad RIP value. [ 711.442613] RSP: 002b:00007ffc8b457368 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 711.450325] RAX: ffffffffffffffda RBX: 00007ffc8b4575a0 RCX: 00007ff2b72c4c65 [ 711.457601] RDX: 00007ffc8b4575a0 RSI: 00007ffc8b4575a0 RDI: 0000000000407545 [ 711.464871] RBP: 0000000000000000 R08: 00000000018a2240 R09: 0000000000000001 [ 711.472137] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 711.479390] R13: 00007ffc8b457aa0 R14: 0000000000000000 R15: 0000000000000000 [ 711.488975] Mem-Info: [ 711.491443] active_anon:3854 inactive_anon:190 isolated_anon:0 [ 711.491443] active_file:11 inactive_file:66 isolated_file:0 [ 711.491443] unevictable:0 dirty:0 writeback:6 unstable:0 [ 711.491443] slab_reclaimable:12899 slab_unreclaimable:1522121 [ 711.491443] mapped:10 shmem:244 pagetables:306 bounce:0 [ 711.491443] free:24803 free_pcp:72 free_cma:0 [ 711.525325] Node 0 active_anon:15416kB inactive_anon:760kB active_file:44kB inactive_file:188kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:40kB dirty:0kB writeback:24kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 711.553400] 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 [ 711.586626] lowmem_reserve[]: 0 2818 6321 6321 [ 711.591264] Node 0 DMA32 free:44016kB 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 [ 711.634679] lowmem_reserve[]: 0 0 3503 3503 [ 711.639054] Node 0 Normal free:37756kB min:37364kB low:46704kB high:56044kB active_anon:15380kB inactive_anon:760kB active_file:224kB inactive_file:72kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6112kB pagetables:1180kB bounce:0kB free_pcp:1816kB local_pcp:1424kB free_cma:0kB [ 711.673862] lowmem_reserve[]: 0 0 0 0 [ 711.678944] 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 [ 711.694374] Node 0 DMA32: 8*4kB (UME) 4*8kB (ME) 5*16kB (ME) 7*32kB (UME) 2*64kB (M) 4*128kB (UME) 4*256kB (UME) 4*512kB (UME) 5*1024kB (UME) 5*2048kB (UME) 8*4096kB (UM) = 52208kB [ 711.713949] Node 0 Normal: 263*4kB (UMEH) 360*8kB (UMEH) 153*16kB (UMEH) 46*32kB (UMEH) 31*64kB (UMEH) 19*128kB (UME) 14*256kB (UM) 13*512kB (UM) 6*1024kB (UM) 5*2048kB (M) 31*4096kB (U) = 165868kB [ 711.732884] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 711.745478] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 711.774373] 910 total pagecache pages [ 711.801214] 0 pages in swap cache [ 711.805183] Swap cache stats: add 0, delete 0, find 0/0 [ 711.821323] Free swap = 0kB [ 711.844893] Total swap = 0kB [ 711.848855] 1965979 pages RAM [ 711.854090] 0 pages HighMem/MovableOnly [ 711.858796] 342853 pages reserved [ 711.864004] 0 pages cma reserved [ 711.867380] Unreclaimable slab info: [ 711.903650] Name Used Total [ 711.909279] pid_2 73KB 92KB [ 711.932644] TIPC 2KB 7KB [ 711.938076] SCTPv6 4KB 6KB [ 711.948851] DCCPv6 4KB 7KB 2018/12/11 20:18:43 executed programs: 9986 [ 711.955615] DCCP 4KB 6KB [ 711.962225] bridge_fdb_cache 1KB 7KB [ 711.970626] fib6_nodes 13KB 32KB [ 711.978070] ip6_dst_cache 31KB 56KB [ 711.984988] RAWv6 19KB 19KB [ 711.994292] UDPv6 3KB 3KB [ 712.000624] TCPv6 8KB 11KB [ 712.006937] nf_conntrack 0KB 3KB [ 712.013641] sd_ext_cdb 0KB 3KB [ 712.019837] scsi_sense_cache 1056KB 1060KB [ 712.030983] virtio_scsi_cmd 16KB 16KB [ 712.038248] sgpool-128 8KB 8KB [ 712.044824] sgpool-64 4KB 6KB [ 712.051446] sgpool-32 2KB 7KB [ 712.058838] sgpool-16 1KB 3KB [ 712.065434] sgpool-8 0KB 3KB [ 712.072108] mqueue_inode_cache 2KB 7KB [ 712.078494] bio_post_read_ctx 14KB 15KB [ 712.084792] bio-2 14KB 15KB [ 712.094014] jfs_mp 7KB 7KB [ 712.099412] nfs_commit_data 3KB 7KB [ 712.105189] nfs_write_data 32KB 32KB [ 712.110590] ext4_system_zone 0KB 3KB [ 712.117814] bio-1 1KB 3KB [ 712.124501] pid_namespace 0KB 3KB [ 712.134066] rpc_buffers 17KB 19KB [ 712.140014] rpc_tasks 2KB 3KB [ 712.145994] UNIX 9KB 14KB [ 712.151377] tcp_bind_bucket 0KB 4KB [ 712.172115] ip_fib_trie 2KB 7KB [ 712.178987] ip_fib_alias 9KB 19KB [ 712.214237] ip_dst_cache 0KB 8KB [ 712.219656] RAW 11KB 14KB [ 712.225110] UDP 8KB 13KB [ 712.230489] TCP 5KB 5KB [ 712.253183] hugetlbfs_inode_cache 2KB 7KB [ 712.258945] fscache_cookie_jar 1KB 7KB [ 712.280496] eventpoll_pwq 28KB 43KB [ 712.286186] eventpoll_epi 53KB 78KB [ 712.291560] inotify_inode_mark 61KB 78KB [ 712.313238] request_queue 164KB 164KB [ 712.318645] blkdev_ioc 15KB 23KB [ 712.337977] bio-0 3637KB 3637KB [ 712.343558] biovec-max 2070KB 2070KB [ 712.348940] biovec-64 1968KB 1968KB [ 712.370888] biovec-16 862KB 862KB [ 712.376405] bio_integrity_payload 1KB 3KB [ 712.398796] khugepaged_mm_slot 29KB 34KB [ 712.404348] dmaengine-unmap-256 2KB 6KB [ 712.409894] dmaengine-unmap-128 1KB 3KB [ 712.448292] dmaengine-unmap-16 0KB 4KB [ 712.481935] dmaengine-unmap-2 0KB 3KB [ 712.487358] skbuff_fclone_cache 2KB 7KB [ 712.493411] skbuff_head_cache 499KB 1061KB [ 712.498790] configfs_dir_cache 0KB 4KB [ 712.532637] file_lock_cache 0KB 3KB [ 712.538047] file_lock_ctx 0KB 3KB [ 712.558831] fsnotify_mark_connector 34KB 47KB [ 712.565196] net_namespace 8KB 8KB [ 712.570582] shmem_inode_cache 5895KB 5961KB [ 712.594357] task_delay_info 96KB 316KB [ 712.599758] proc_dir_entry 321KB 348KB [ 712.605530] pde_opener 0KB 3KB [ 712.610928] seq_file 313KB 653KB [ 712.631240] sigqueue 92KB 200KB [ 712.637042] kernfs_node_cache 8043KB 8052KB [ 712.659380] mnt_cache 29KB 36KB [ 712.665201] filp 3905KB 5958KB [ 712.670582] names_cache 120959KB 120959KB [ 712.691620] iint_cache 27KB 47KB [ 712.697431] inode_smack 6176KB 6275KB [ 712.718346] key_jar 3KB 7KB [ 712.724321] uts_namespace 0KB 3KB [ 712.729696] nsproxy 0KB 3KB [ 712.749325] vm_area_struct 6490KB 8608KB [ 712.755211] mm_struct 996KB 1534KB [ 712.760589] fs_cache 78KB 252KB [ 712.782209] files_cache 276KB 442KB [ 712.787609] signal_cache 753KB 1150KB [ 712.808565] sighand_cache 423KB 513KB [ 712.814353] task_struct 2827KB 2883KB [ 712.819728] cred_jar 611KB 1416KB [ 712.839895] anon_vma_chain 4051KB 5693KB [ 712.845678] anon_vma 136KB 392KB [ 712.851142] pid 58KB 256KB [ 712.871926] Acpi-Operand 106KB 162KB [ 712.877334] Acpi-Namespace 19KB 23KB [ 712.911958] numa_policy 0KB 3KB [ 712.917367] debug_objects_cache 1001KB 1005KB [ 712.952199] trace_event_file 260KB 262KB [ 712.957604] ftrace_event_field 376KB 378KB [ 712.988215] pool_workqueue 72KB 76KB [ 713.002168] task_group 0KB 3KB [ 713.007570] page->ptl 1314KB 2802KB [ 713.029540] kmalloc-4M 2195456KB 2207744KB [ 713.035349] kmalloc-2M 2050KB 2050KB [ 713.040743] kmalloc-512k 2056KB 2056KB [ 713.063179] kmalloc-256k 1290KB 1290KB [ 713.068584] kmalloc-128k 650KB 650KB [ 713.074359] kmalloc-64k 330KB 330KB [ 713.079735] kmalloc-32k 726KB 825KB [ 713.100544] kmalloc-16k 214KB 264KB [ 713.106352] kmalloc-8k 882KB 907KB [ 713.111735] kmalloc-4k 14399KB 14437KB [ 713.133191] kmalloc-2k 4522KB 4927KB [ 713.138566] kmalloc-1k 2796KB 3268KB [ 713.158346] kmalloc-512 2346KB 3142KB [ 713.164133] kmalloc-256 4981KB 5088KB [ 713.169509] kmalloc-128 830KB 854KB [ 713.190694] kmalloc-96 1766KB 2332KB [ 713.196486] kmalloc-64 3059KB 3080KB [ 713.218260] kmalloc-32 2021KB 2094KB [ 713.224042] kmalloc-192 2667KB 4140KB [ 713.229453] kmem_cache 171KB 176KB [