[ 28.822533] audit: type=1800 audit(1544238624.884:27): pid=5933 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 28.846139] audit: type=1800 audit(1544238624.884:28): pid=5933 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 29.548546] audit: type=1800 audit(1544238625.664:29): pid=5933 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 29.575739] audit: type=1800 audit(1544238625.664:30): pid=5933 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.118' (ECDSA) to the list of known hosts. 2018/12/08 03:15:40 parsed 1 programs 2018/12/08 03:15:42 executed programs: 0 syzkaller login: [ 346.356881] IPVS: ftp: loaded support on port[0] = 21 [ 346.633224] bridge0: port 1(bridge_slave_0) entered blocking state [ 346.640558] bridge0: port 1(bridge_slave_0) entered disabled state [ 346.648449] device bridge_slave_0 entered promiscuous mode [ 346.669063] bridge0: port 2(bridge_slave_1) entered blocking state [ 346.675530] bridge0: port 2(bridge_slave_1) entered disabled state [ 346.682475] device bridge_slave_1 entered promiscuous mode [ 346.701428] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 346.719984] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 346.773821] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 346.794905] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 346.878220] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 346.886001] team0: Port device team_slave_0 added [ 346.904587] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 346.911715] team0: Port device team_slave_1 added [ 346.930171] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 346.953182] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 346.973679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 346.994861] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 347.148645] bridge0: port 2(bridge_slave_1) entered blocking state [ 347.155196] bridge0: port 2(bridge_slave_1) entered forwarding state [ 347.162610] bridge0: port 1(bridge_slave_0) entered blocking state [ 347.169035] bridge0: port 1(bridge_slave_0) entered forwarding state [ 347.720959] 8021q: adding VLAN 0 to HW filter on device bond0 [ 347.776664] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 347.831175] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 347.837489] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 347.845119] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 347.893496] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/08 03:15:47 executed programs: 230 2018/12/08 03:15:52 executed programs: 604 2018/12/08 03:15:57 executed programs: 978 2018/12/08 03:16:02 executed programs: 1356 [ 366.745543] syz-executor0 (8458) used greatest stack depth: 11824 bytes left [ 366.788533] syz-executor0 (8459) used greatest stack depth: 9712 bytes left [ 367.616072] syz-executor0 (8473) used greatest stack depth: 7544 bytes left [ 368.889855] syz-executor0 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 368.901967] syz-executor0 cpuset=syz0 mems_allowed=0 [ 368.907276] CPU: 1 PID: 6099 Comm: syz-executor0 Not tainted 4.20.0-rc5+ #367 [ 368.914564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.923962] Call Trace: [ 368.926669] dump_stack+0x244/0x39d [ 368.930342] ? dump_stack_print_info.cold.1+0x20/0x20 [ 368.935613] ? mark_held_locks+0x130/0x130 [ 368.939897] ? mark_held_locks+0x130/0x130 [ 368.944189] dump_header+0x27b/0xf72 [ 368.947918] ? pagefault_out_of_memory+0x197/0x197 [ 368.952835] ? __lock_acquire+0x62f/0x4c20 [ 368.957077] ? print_usage_bug+0xc0/0xc0 [ 368.961124] ? zap_class+0x640/0x640 [ 368.964826] ? print_usage_bug+0xc0/0xc0 [ 368.968887] ? print_usage_bug+0xc0/0xc0 [ 368.972959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.978483] ? find_held_lock+0x36/0x1c0 [ 368.982533] ? mark_held_locks+0xc7/0x130 [ 368.986687] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 368.991775] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 368.996875] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 369.001450] ? trace_hardirqs_on+0xbd/0x310 [ 369.005786] ? kasan_check_read+0x11/0x20 [ 369.009918] ? ___ratelimit+0x3b4/0x672 [ 369.013893] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.018999] ? trace_hardirqs_on+0x310/0x310 [ 369.023421] ? lock_downgrade+0x900/0x900 [ 369.027594] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 369.032712] ? ___ratelimit+0x3b9/0x672 [ 369.036705] ? idr_get_free+0xf70/0xf70 [ 369.040695] ? kasan_check_read+0x11/0x20 [ 369.044858] ? do_raw_spin_unlock+0xa7/0x330 [ 369.049293] oom_kill_process.cold.27+0x10/0x903 [ 369.054066] ? zap_class+0x640/0x640 [ 369.057808] ? _raw_spin_unlock+0x2c/0x50 [ 369.061972] ? oom_badness+0xe6/0xaa0 [ 369.065842] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 369.070889] ? kasan_check_read+0x11/0x20 [ 369.075055] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.080348] ? oom_evaluate_task+0x540/0x540 [ 369.084781] ? find_held_lock+0x36/0x1c0 [ 369.088859] ? out_of_memory+0x974/0x1430 [ 369.093021] ? lock_downgrade+0x900/0x900 [ 369.097257] ? check_preemption_disabled+0x48/0x280 [ 369.102294] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 369.107240] ? kasan_check_read+0x11/0x20 [ 369.111390] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.116655] ? rcu_softirq_qs+0x20/0x20 [ 369.120620] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.126140] ? oom_evaluate_task+0x302/0x540 [ 369.130536] out_of_memory+0xa84/0x1430 [ 369.134502] ? oom_killer_disable+0x3a0/0x3a0 [ 369.139019] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 369.143937] ? __ww_mutex_check_waiters+0x160/0x160 [ 369.148941] __alloc_pages_slowpath+0x232c/0x2de0 [ 369.153782] ? warn_alloc+0x120/0x120 [ 369.157567] ? mark_held_locks+0x130/0x130 [ 369.161790] ? warn_alloc+0x120/0x120 [ 369.165573] ? __lock_acquire+0x62f/0x4c20 [ 369.169791] ? print_usage_bug+0xc0/0xc0 [ 369.173839] ? print_usage_bug+0xc0/0xc0 [ 369.177890] ? print_usage_bug+0xc0/0xc0 [ 369.181937] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.187507] ? should_fail+0x22d/0xd01 [ 369.191385] ? do_raw_spin_unlock+0xa7/0x330 [ 369.195780] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.200867] ? zap_class+0x640/0x640 [ 369.204586] ? find_held_lock+0x36/0x1c0 [ 369.208668] ? lock_release+0xa00/0xa00 [ 369.212654] ? perf_trace_sched_process_exec+0x860/0x860 [ 369.218100] ? check_preemption_disabled+0x48/0x280 [ 369.223104] ? __might_sleep+0x95/0x190 [ 369.227062] __alloc_pages_nodemask+0xad8/0xea0 [ 369.231713] ? zap_class+0x640/0x640 [ 369.235414] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 369.240425] ? find_held_lock+0x36/0x1c0 [ 369.244472] ? cache_grow_begin+0x65/0x8c0 [ 369.248723] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 369.253289] ? trace_hardirqs_on+0xbd/0x310 [ 369.257590] ? fallback_alloc+0x204/0x2e0 [ 369.261722] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.266812] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 369.272331] cache_grow_begin+0xa5/0x8c0 [ 369.276401] ? do_raw_spin_unlock+0xa7/0x330 [ 369.280798] fallback_alloc+0x204/0x2e0 [ 369.284763] ____cache_alloc_node+0x1c7/0x1e0 [ 369.289246] kmem_cache_alloc+0x1f8/0x730 [ 369.293414] ? cap_capable+0x1f9/0x260 [ 369.297310] getname_flags+0xd0/0x590 [ 369.301100] user_path_mountpoint_at+0x27/0x40 [ 369.305700] ksys_umount+0x1c5/0x12d0 [ 369.309494] ? __detach_mounts+0x430/0x430 [ 369.313727] ? lock_downgrade+0x900/0x900 [ 369.317863] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 369.322773] ? kasan_check_read+0x11/0x20 [ 369.326922] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 369.332199] ? rcu_softirq_qs+0x20/0x20 [ 369.336157] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.341262] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.346786] ? check_preemption_disabled+0x48/0x280 [ 369.351790] ? kasan_check_write+0x14/0x20 [ 369.356008] ? up_read+0x225/0x2c0 [ 369.359533] ? up_read_non_owner+0x100/0x100 [ 369.363979] ? do_syscall_64+0x9a/0x820 [ 369.367945] ? do_syscall_64+0x9a/0x820 [ 369.371933] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 369.376495] ? trace_hardirqs_on+0xbd/0x310 [ 369.380805] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.386154] ? trace_hardirqs_off_caller+0x310/0x310 [ 369.391243] __x64_sys_umount+0x54/0x80 [ 369.395206] do_syscall_64+0x1b9/0x820 [ 369.399097] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 369.404445] ? syscall_return_slowpath+0x5e0/0x5e0 [ 369.409357] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.414189] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.419195] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.424721] ? prepare_exit_to_usermode+0x291/0x3b0 [ 369.429738] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.434565] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 369.439737] RIP: 0033:0x459fb7 [ 369.442915] 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 [ 369.461804] RSP: 002b:00007ffc0955a348 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 369.469502] RAX: ffffffffffffffda RBX: 000000000005a02c RCX: 0000000000459fb7 [ 369.476781] RDX: 000000000000000c RSI: 0000000000000002 RDI: 00007ffc0955b480 [ 369.484035] RBP: 0000000000000683 R08: 0000000000000001 R09: 000000000133b940 [ 369.491291] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc0955b480 [ 369.498550] R13: 000000000005a024 R14: 0000000000000000 R15: 0000000000000000 [ 369.508029] Mem-Info: [ 369.510926] active_anon:4093 inactive_anon:197 isolated_anon:0 [ 369.510926] active_file:235 inactive_file:269 isolated_file:0 [ 369.510926] unevictable:0 dirty:4 writeback:0 unstable:0 [ 369.510926] slab_reclaimable:13538 slab_unreclaimable:1526990 [ 369.510926] mapped:409 shmem:244 pagetables:302 bounce:0 [ 369.510926] free:25078 free_pcp:316 free_cma:0 [ 369.544509] Node 0 active_anon:16440kB inactive_anon:788kB active_file:1332kB inactive_file:2012kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:2904kB dirty:72kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 369.572194] 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 [ 369.598471] lowmem_reserve[]: 0 2818 6321 6321 [ 369.603080] Node 0 DMA32 free:43924kB 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 [ 369.630351] lowmem_reserve[]: 0 0 3503 3503 [ 369.635710] Node 0 Normal free:40456kB min:37364kB low:46704kB high:56044kB active_anon:16440kB inactive_anon:788kB active_file:784kB inactive_file:944kB unevictable:0kB writepending:72kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6080kB pagetables:1220kB bounce:0kB free_pcp:1264kB local_pcp:200kB free_cma:0kB [ 369.664973] lowmem_reserve[]: 0 0 0 0 [ 369.668788] 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 [ 369.682500] Node 0 DMA32: 5*4kB (UME) 2*8kB (UE) 3*16kB (ME) 6*32kB (UME) 8*64kB (UME) 3*128kB (UM) 3*256kB (ME) 4*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 43924kB [ 369.698710] Node 0 Normal: 375*4kB (UMH) 976*8kB (UMEH) 434*16kB (UMH) 154*32kB (UMH) 86*64kB (MEH) 40*128kB (M) 20*256kB (ME) 7*512kB (ME) 0*1024kB 0*2048kB 0*4096kB = 40508kB [ 369.714708] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 369.723564] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 369.732204] 569 total pagecache pages [ 369.736050] 0 pages in swap cache [ 369.739491] Swap cache stats: add 0, delete 0, find 0/0 [ 369.744893] Free swap = 0kB [ 369.747914] Total swap = 0kB [ 369.750929] 1965979 pages RAM [ 369.754091] 0 pages HighMem/MovableOnly [ 369.758059] 342853 pages reserved [ 369.761489] 0 pages cma reserved [ 369.765639] Unreclaimable slab info: [ 369.769502] Name Used Total [ 369.775173] pid_2 84KB 92KB [ 369.780576] TIPC 2KB 7KB [ 369.786013] SCTPv6 4KB 6KB [ 369.791391] DCCPv6 4KB 7KB [ 369.796815] DCCP 4KB 6KB [ 369.802199] bridge_fdb_cache 1KB 3KB [ 369.807625] fib6_nodes 13KB 16KB [ 369.812995] ip6_dst_cache 15KB 56KB [ 369.818440] RAWv6 19KB 19KB [ 369.823811] UDPv6 3KB 3KB [ 369.829236] TCPv6 8KB 11KB [ 369.834638] nf_conntrack 2KB 7KB [ 369.840058] sd_ext_cdb 0KB 3KB [ 369.845473] scsi_sense_cache 1056KB 1060KB [ 369.850839] virtio_scsi_cmd 16KB 16KB [ 369.856266] sgpool-128 8KB 8KB [ 369.861641] sgpool-64 4KB 6KB [ 369.867053] sgpool-32 2KB 7KB [ 369.872415] sgpool-16 1KB 3KB [ 369.877831] sgpool-8 0KB 3KB [ 369.883270] mqueue_inode_cache 2KB 7KB [ 369.888815] bio_post_read_ctx 14KB 15KB [ 369.894793] bio-2 14KB 15KB [ 369.900163] jfs_mp 7KB 7KB [ 369.905678] nfs_commit_data 3KB 7KB [ 369.911040] nfs_write_data 32KB 32KB [ 369.916493] ext4_system_zone 0KB 3KB [ 369.921871] bio-1 1KB 3KB [ 369.927309] pid_namespace 0KB 3KB [ 369.932682] rpc_buffers 17KB 19KB [ 369.938097] rpc_tasks 2KB 3KB [ 369.943460] UNIX 38KB 90KB [ 369.948885] tcp_bind_bucket 0KB 4KB [ 369.954319] ip_fib_trie 2KB 3KB [ 369.959699] ip_fib_alias 9KB 11KB [ 369.965146] ip_dst_cache 1KB 8KB [ 369.970521] RAW 11KB 14KB [ 369.975951] UDP 8KB 19KB [ 369.981326] TCP 5KB 5KB [ 369.986766] hugetlbfs_inode_cache 2KB 7KB [ 369.993099] fscache_cookie_jar 1KB 7KB [ 369.998647] eventpoll_pwq 39KB 39KB [ 370.004071] eventpoll_epi 70KB 70KB [ 370.009441] inotify_inode_mark 74KB 74KB [ 370.014964] request_queue 164KB 164KB [ 370.020331] blkdev_ioc 11KB 19KB [ 370.026409] bio-0 491KB 491KB [ 370.031762] biovec-max 1476KB 1476KB [ 370.037244] biovec-64 346KB 346KB [ 370.042608] biovec-16 63KB 63KB [ 370.048044] bio_integrity_payload 1KB 3KB [ 370.053754] khugepaged_mm_slot 0KB 3KB [ 370.059294] dmaengine-unmap-256 2KB 6KB [ 370.064870] dmaengine-unmap-128 1KB 3KB [ 370.070393] dmaengine-unmap-16 0KB 4KB [ 370.075900] dmaengine-unmap-2 0KB 3KB [ 370.081268] skbuff_fclone_cache 4KB 48KB [ 370.086892] skbuff_head_cache 542KB 1203KB [ 370.092257] configfs_dir_cache 0KB 4KB [ 370.097784] file_lock_cache 12KB 31KB [ 370.103163] file_lock_ctx 0KB 3KB [ 370.108624] fsnotify_mark_connector 43KB 43KB [ 370.114543] net_namespace 8KB 8KB [ 370.119894] shmem_inode_cache 6023KB 6023KB [ 370.125333] task_delay_info 165KB 464KB [ 370.130721] proc_dir_entry 320KB 326KB [ 370.136180] pde_opener 0KB 7KB [ 370.141826] seq_file 344KB 913KB [ 370.147272] sigqueue 73KB 212KB [ 370.152637] kernfs_node_cache 8043KB 8048KB [ 370.158747] mnt_cache 29KB 32KB [ 370.164175] filp 4200KB 6971KB [ 370.169558] names_cache 126922KB 126922KB [ 370.174991] iint_cache 79KB 79KB [ 370.180367] key_jar 3KB 7KB [ 370.185791] uts_namespace 0KB 3KB [ 370.191165] nsproxy 0KB 3KB [ 370.196598] vm_area_struct 7011KB 10727KB [ 370.201973] mm_struct 1163KB 2782KB [ 370.207413] fs_cache 170KB 480KB [ 370.212786] files_cache 414KB 1023KB [ 370.218231] signal_cache 813KB 1969KB [ 370.223607] sighand_cache 467KB 575KB [ 370.229074] task_struct 3007KB 3062KB [ 370.234496] cred_jar 684KB 2076KB [ 370.239863] anon_vma_chain 4387KB 6867KB [ 370.245305] anon_vma 149KB 396KB [ 370.250670] pid 79KB 324KB [ 370.256134] Acpi-Operand 106KB 158KB [ 370.261514] Acpi-Namespace 19KB 23KB [ 370.266953] numa_policy 0KB 3KB [ 370.272326] debug_objects_cache 900KB 900KB [ 370.277935] trace_event_file 260KB 262KB [ 370.283299] ftrace_event_field 376KB 378KB [ 370.289455] pool_workqueue 72KB 72KB [ 370.294872] task_group 0KB 3KB [ 370.300239] page->ptl 1358KB 3091KB [ 370.305713] kmalloc-4M 5713920KB 5713920KB [ 370.311080] kmalloc-2M 2050KB 2050KB [ 370.316525] kmalloc-512k 2056KB 2056KB [ 370.321897] kmalloc-256k 1290KB 1290KB [ 370.327402] kmalloc-128k 650KB 650KB [ 370.332767] kmalloc-64k 330KB 330KB [ 370.338186] kmalloc-32k 726KB 924KB [ 370.343564] kmalloc-16k 214KB 297KB [ 370.348986] kmalloc-8k 915KB 957KB [ 370.354396] kmalloc-4k 15104KB 15142KB [ 370.359745] kmalloc-2k 4573KB 4896KB [ 370.365168] kmalloc-1k 2859KB 3504KB [ 370.370531] kmalloc-512 2473KB 3543KB [ 370.375983] kmalloc-256 1802KB 2115KB [ 370.381371] kmalloc-128 866KB 866KB [ 370.386804] kmalloc-96 2952KB 3680KB [ 370.392187] kmalloc-64 2584KB 2584KB [ 370.397605] kmalloc-32 1443KB 1697KB [ 370.403022] kmalloc-192 431KB 968KB [ 370.408464] kmem_cache 171KB 172KB [ 370.413845] Out of memory: Kill process 6086 (syz-execprog) score 1 or sacrifice child [ 370.423866] Killed process 6097 (syz-executor0) total-vm:37444kB, anon-rss:60kB, file-rss:4kB, shmem-rss:0kB 2018/12/08 03:16:08 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 2018/12/08 03:16:08 executed programs: 1415 [ 372.390650] IPVS: ftp: loaded support on port[0] = 21 [ 372.775305] device bridge_slave_1 left promiscuous mode [ 372.781505] bridge0: port 2(bridge_slave_1) entered disabled state [ 372.818053] device bridge_slave_0 left promiscuous mode [ 372.823506] bridge0: port 1(bridge_slave_0) entered disabled state [ 372.889948] team0 (unregistering): Port device team_slave_1 removed [ 372.899773] team0 (unregistering): Port device team_slave_0 removed [ 372.911340] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 372.948845] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 372.992129] bond0 (unregistering): Released all slaves [ 373.223421] bridge0: port 1(bridge_slave_0) entered blocking state [ 373.229993] bridge0: port 1(bridge_slave_0) entered disabled state [ 373.237229] device bridge_slave_0 entered promiscuous mode [ 373.257167] bridge0: port 2(bridge_slave_1) entered blocking state [ 373.263649] bridge0: port 2(bridge_slave_1) entered disabled state [ 373.271503] device bridge_slave_1 entered promiscuous mode [ 373.298208] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 373.325485] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 373.412637] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 373.444608] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 373.610576] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 373.618232] team0: Port device team_slave_0 added [ 373.646627] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 373.654235] team0: Port device team_slave_1 added [ 373.680527] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 373.709241] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 373.740283] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 373.769761] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 374.032133] bridge0: port 2(bridge_slave_1) entered blocking state [ 374.038561] bridge0: port 2(bridge_slave_1) entered forwarding state [ 374.045263] bridge0: port 1(bridge_slave_0) entered blocking state [ 374.051634] bridge0: port 1(bridge_slave_0) entered forwarding state [ 374.778994] 8021q: adding VLAN 0 to HW filter on device bond0 [ 374.833763] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 374.886459] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 374.892571] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 374.901497] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 374.949786] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/08 03:16:13 executed programs: 1583 2018/12/08 03:16:18 executed programs: 1979 2018/12/08 03:16:23 executed programs: 2391 2018/12/08 03:16:28 executed programs: 2799 [ 398.128172] syz-executor0 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 398.144136] syz-executor0 cpuset=syz0 mems_allowed=0 [ 398.149272] CPU: 0 PID: 8501 Comm: syz-executor0 Not tainted 4.20.0-rc5+ #367 [ 398.156573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 398.165914] Call Trace: [ 398.168488] dump_stack+0x244/0x39d [ 398.172106] ? dump_stack_print_info.cold.1+0x20/0x20 [ 398.177290] ? mark_held_locks+0x130/0x130 [ 398.181519] ? mark_held_locks+0x130/0x130 [ 398.185757] dump_header+0x27b/0xf72 [ 398.189469] ? pagefault_out_of_memory+0x197/0x197 [ 398.194410] ? mark_held_locks+0x130/0x130 [ 398.198637] ? __lock_acquire+0x62f/0x4c20 [ 398.202863] ? print_usage_bug+0xc0/0xc0 [ 398.206917] ? zap_class+0x640/0x640 [ 398.210621] ? print_usage_bug+0xc0/0xc0 [ 398.214671] ? print_usage_bug+0xc0/0xc0 [ 398.218727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.224263] ? find_held_lock+0x36/0x1c0 [ 398.228325] ? mark_held_locks+0xc7/0x130 [ 398.232469] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 398.237563] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 398.242660] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 398.247239] ? trace_hardirqs_on+0xbd/0x310 [ 398.251728] ? kasan_check_read+0x11/0x20 [ 398.255875] ? ___ratelimit+0x3b4/0x672 [ 398.259855] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.264946] ? trace_hardirqs_on+0x310/0x310 [ 398.269352] ? lock_downgrade+0x900/0x900 [ 398.273497] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 398.278592] ? ___ratelimit+0x3b9/0x672 [ 398.282561] ? idr_get_free+0xf70/0xf70 [ 398.286525] ? kasan_check_read+0x11/0x20 [ 398.290663] ? do_raw_spin_unlock+0xa7/0x330 [ 398.295067] oom_kill_process.cold.27+0x10/0x903 [ 398.299812] ? zap_class+0x640/0x640 [ 398.303554] ? _raw_spin_unlock+0x2c/0x50 [ 398.307690] ? oom_badness+0xe6/0xaa0 [ 398.311485] ? oom_evaluate_task+0x540/0x540 [ 398.315885] ? find_held_lock+0x36/0x1c0 [ 398.319938] ? out_of_memory+0x974/0x1430 [ 398.324074] ? lock_downgrade+0x900/0x900 [ 398.328214] ? check_preemption_disabled+0x48/0x280 [ 398.333261] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 398.338180] ? kasan_check_read+0x11/0x20 [ 398.342317] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.347583] ? rcu_softirq_qs+0x20/0x20 [ 398.351587] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 398.357114] ? oom_evaluate_task+0x302/0x540 [ 398.361512] out_of_memory+0xa84/0x1430 [ 398.365479] ? oom_killer_disable+0x3a0/0x3a0 [ 398.369968] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 398.374888] ? __ww_mutex_check_waiters+0x160/0x160 [ 398.379899] __alloc_pages_slowpath+0x232c/0x2de0 [ 398.384748] ? warn_alloc+0x120/0x120 [ 398.388539] ? mark_held_locks+0x130/0x130 [ 398.392770] ? warn_alloc+0x120/0x120 [ 398.396561] ? perf_trace_sched_process_exec+0x860/0x860 [ 398.402003] ? print_usage_bug+0xc0/0xc0 [ 398.406057] ? print_usage_bug+0xc0/0xc0 [ 398.410109] ? print_usage_bug+0xc0/0xc0 [ 398.414161] ? kasan_check_write+0x14/0x20 [ 398.418403] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.423935] ? should_fail+0x22d/0xd01 [ 398.427815] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.432909] ? zap_class+0x640/0x640 [ 398.436623] ? find_held_lock+0x36/0x1c0 [ 398.440681] ? lock_release+0xa00/0xa00 [ 398.444645] ? perf_trace_sched_process_exec+0x860/0x860 [ 398.450087] ? check_preemption_disabled+0x48/0x280 [ 398.455099] ? __might_sleep+0x95/0x190 [ 398.459102] __alloc_pages_nodemask+0xad8/0xea0 [ 398.463763] ? zap_class+0x640/0x640 [ 398.467473] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 398.472489] ? find_held_lock+0x36/0x1c0 [ 398.476543] ? cache_grow_begin+0x65/0x8c0 [ 398.480769] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 398.485345] ? trace_hardirqs_on+0xbd/0x310 [ 398.489657] ? fallback_alloc+0x204/0x2e0 [ 398.493797] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.498893] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 398.504434] cache_grow_begin+0xa5/0x8c0 [ 398.508487] ? do_raw_spin_unlock+0xa7/0x330 [ 398.512888] fallback_alloc+0x204/0x2e0 [ 398.516856] ____cache_alloc_node+0x1c7/0x1e0 [ 398.521347] kmem_cache_alloc+0x1f8/0x730 [ 398.525486] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 398.530058] ? trace_hardirqs_on+0xbd/0x310 [ 398.534374] getname_flags+0xd0/0x590 [ 398.538189] __x64_sys_unlink+0x35/0x50 [ 398.542188] do_syscall_64+0x1b9/0x820 [ 398.546066] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 398.551466] ? syscall_return_slowpath+0x5e0/0x5e0 [ 398.556401] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.561235] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.566249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.571779] ? prepare_exit_to_usermode+0x291/0x3b0 [ 398.576786] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.581623] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 398.586798] RIP: 0033:0x4572b7 [ 398.589982] Code: 00 66 90 b8 58 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 9d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 398.608872] RSP: 002b:00007fffcbbf3ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 398.616605] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004572b7 [ 398.623865] RDX: 00007fffcbbf3f00 RSI: 00007fffcbbf3f00 RDI: 00007fffcbbf3f90 [ 398.631124] RBP: 0000000000000685 R08: 0000000000000000 R09: 000000000000000d [ 398.638401] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fffcbbf5020 [ 398.645659] R13: 0000000000ee0940 R14: 0000000000000000 R15: 0000000000000000 [ 398.682538] Mem-Info: [ 398.685050] active_anon:4084 inactive_anon:199 isolated_anon:0 [ 398.685050] active_file:111 inactive_file:160 isolated_file:26 [ 398.685050] unevictable:0 dirty:0 writeback:0 unstable:0 [ 398.685050] slab_reclaimable:13036 slab_unreclaimable:1528039 [ 398.685050] mapped:183 shmem:244 pagetables:295 bounce:0 [ 398.685050] free:24206 free_pcp:328 free_cma:0 [ 398.718239] Node 0 active_anon:16336kB inactive_anon:796kB active_file:152kB inactive_file:376kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:136kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 398.745448] 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 [ 398.771718] lowmem_reserve[]: 0 2818 6321 6321 [ 398.776464] Node 0 DMA32 free:44060kB 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 [ 398.806311] lowmem_reserve[]: 0 0 3503 3503 [ 398.810673] Node 0 Normal free:37944kB min:37364kB low:46704kB high:56044kB active_anon:16336kB inactive_anon:796kB active_file:88kB inactive_file:572kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6048kB pagetables:1180kB bounce:0kB free_pcp:856kB local_pcp:356kB free_cma:0kB [ 398.844238] lowmem_reserve[]: 0 0 0 0 [ 398.849199] 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 [ 398.881444] Node 0 DMA32: 5*4kB (ME) 3*8kB (UE) 4*16kB (UME) 6*32kB (UME) 6*64kB (UME) 3*128kB (UM) 4*256kB (UME) 4*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 44076kB [ 398.898137] Node 0 Normal: 361*4kB (UMEH) 307*8kB (UMEH) 88*16kB (UMEH) 46*32kB (UMEH) 17*64kB (UMEH) 11*128kB (ME) 8*256kB (M) 9*512kB (UME) 8*1024kB (UM) 3*2048kB (M) 2*4096kB (M) = 38460kB [ 398.915722] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 398.925673] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 398.935670] 342 total pagecache pages [ 398.939686] 0 pages in swap cache [ 398.944274] Swap cache stats: add 0, delete 0, find 0/0 [ 398.952726] Free swap = 0kB [ 398.957126] Total swap = 0kB [ 398.960765] 1965979 pages RAM [ 398.971037] 0 pages HighMem/MovableOnly [ 398.975071] 342853 pages reserved [ 398.978684] 0 pages cma reserved [ 398.982220] Unreclaimable slab info: [ 398.987101] Name Used Total [ 398.992813] pid_2 88KB 96KB [ 398.998342] TIPC 2KB 7KB [ 399.003964] SCTPv6 4KB 6KB [ 399.009528] DCCPv6 4KB 7KB [ 399.015087] DCCP 4KB 6KB [ 399.020617] bridge_fdb_cache 1KB 7KB [ 399.026172] fib6_nodes 13KB 24KB [ 399.031720] ip6_dst_cache 14KB 56KB [ 399.037254] RAWv6 19KB 26KB [ 399.042818] UDPv6 3KB 3KB [ 399.048348] TCPv6 8KB 11KB [ 399.053849] nf_conntrack 0KB 3KB [ 399.059534] sd_ext_cdb 0KB 3KB [ 399.065021] scsi_sense_cache 1056KB 1060KB [ 399.070631] virtio_scsi_cmd 16KB 16KB [ 399.076319] sgpool-128 8KB 8KB [ 399.081889] sgpool-64 4KB 6KB [ 399.087505] sgpool-32 2KB 7KB [ 399.093057] sgpool-16 1KB 3KB [ 399.098714] sgpool-8 0KB 3KB [ 399.104251] mqueue_inode_cache 2KB 7KB [ 399.109950] bio_post_read_ctx 14KB 15KB [ 399.115543] bio-2 14KB 15KB [ 399.121069] jfs_mp 7KB 7KB [ 399.126701] nfs_commit_data 3KB 7KB [ 399.132244] nfs_write_data 32KB 32KB [ 399.137860] ext4_system_zone 0KB 3KB [ 399.145063] bio-1 1KB 3KB [ 399.151515] pid_namespace 0KB 3KB [ 399.158261] rpc_buffers 17KB 19KB [ 399.163872] rpc_tasks 2KB 3KB [ 399.169449] UNIX 9KB 14KB [ 399.175730] tcp_bind_bucket 0KB 4KB [ 399.182193] ip_fib_trie 2KB 7KB [ 399.189990] ip_fib_alias 9KB 23KB [ 399.195416] ip_dst_cache 1KB 8KB [ 399.200773] RAW 11KB 21KB [ 399.206160] UDP 8KB 19KB [ 399.211515] TCP 5KB 5KB [ 399.216899] hugetlbfs_inode_cache 2KB 7KB [ 399.222600] fscache_cookie_jar 1KB 7KB [ 399.228067] eventpoll_pwq 30KB 39KB [ 399.233427] eventpoll_epi 57KB 70KB [ 399.238841] inotify_inode_mark 61KB 74KB [ 399.244332] request_queue 164KB 164KB [ 399.249688] blkdev_ioc 12KB 19KB [ 399.255128] bio-0 2283KB 2283KB [ 399.260489] biovec-max 1485KB 1485KB [ 399.265905] biovec-64 2118KB 2118KB [ 399.271419] biovec-16 483KB 483KB [ 399.277116] bio_integrity_payload 1KB 3KB [ 399.282937] khugepaged_mm_slot 0KB 3KB [ 399.288563] dmaengine-unmap-256 2KB 6KB [ 399.294149] dmaengine-unmap-128 1KB 3KB [ 399.299683] dmaengine-unmap-16 0KB 4KB [ 399.306365] dmaengine-unmap-2 0KB 3KB [ 399.312697] skbuff_fclone_cache 2KB 11KB [ 399.319409] skbuff_head_cache 516KB 1016KB [ 399.324957] configfs_dir_cache 0KB 4KB [ 399.331452] file_lock_cache 0KB 3KB [ 399.338894] file_lock_ctx 0KB 3KB [ 399.346024] fsnotify_mark_connector 36KB 43KB [ 399.353254] net_namespace 8KB 8KB [ 399.361289] shmem_inode_cache 5983KB 6015KB [ 399.379216] task_delay_info 112KB 449KB [ 399.390095] proc_dir_entry 320KB 330KB [ 399.396216] pde_opener 0KB 3KB [ 399.402597] seq_file 323KB 874KB [ 399.410309] sigqueue 42KB 204KB [ 399.416638] kernfs_node_cache 8043KB 8048KB [ 399.422158] mnt_cache 29KB 36KB [ 399.427712] filp 4097KB 6885KB [ 399.433198] names_cache 126101KB 126101KB [ 399.438761] iint_cache 24KB 63KB [ 399.444423] key_jar 3KB 7KB [ 399.449937] uts_namespace 0KB 3KB [ 399.455507] nsproxy 0KB 3KB [ 399.461024] vm_area_struct 6884KB 10132KB [ 399.466710] mm_struct 1085KB 2424KB [ 399.472323] fs_cache 102KB 444KB [ 399.477995] files_cache 335KB 753KB [ 399.483570] signal_cache 731KB 1703KB [ 399.489140] sighand_cache 457KB 575KB [ 399.497197] task_struct 2970KB 3025KB [ 399.503497] cred_jar 648KB 1972KB [ 399.510233] anon_vma_chain 4310KB 6646KB [ 399.517004] anon_vma 133KB 396KB [ 399.528535] pid 60KB 308KB [ 399.534671] Acpi-Operand 106KB 158KB [ 399.540065] Acpi-Namespace 19KB 23KB [ 399.545506] numa_policy 0KB 3KB [ 399.550886] debug_objects_cache 966KB 966KB [ 399.556481] trace_event_file 260KB 262KB [ 399.561837] ftrace_event_field 376KB 378KB [ 399.567344] pool_workqueue 72KB 76KB [ 399.572744] task_group 0KB 3KB [ 399.578205] page->ptl 1350KB 3067KB [ 399.583581] kmalloc-4M 5718016KB 5718016KB [ 399.589005] kmalloc-2M 2050KB 2050KB [ 399.594439] kmalloc-512k 2056KB 2056KB [ 399.599798] kmalloc-256k 1290KB 1290KB [ 399.605217] kmalloc-128k 650KB 650KB [ 399.610589] kmalloc-64k 330KB 330KB [ 399.615997] kmalloc-32k 726KB 825KB [ 399.621358] kmalloc-16k 214KB 264KB [ 399.627947] kmalloc-8k 915KB 940KB [ 399.633352] kmalloc-4k 15023KB 15062KB [ 399.638820] kmalloc-2k 4505KB 4806KB [ 399.649194] kmalloc-1k 2804KB 3488KB [ 399.656177] kmalloc-512 2408KB 3438KB [ 399.661570] kmalloc-256 1797KB 2096KB [ 399.667007] kmalloc-128 855KB 882KB [ 399.672407] kmalloc-96 3507KB 3676KB [ 399.677834] kmalloc-64 2549KB 2564KB [ 399.683278] kmalloc-32 1447KB 1697KB [ 399.688711] kmalloc-192 433KB 968KB [ 399.694153] kmem_cache 171KB 172KB [ 399.699532] Out of memory: Kill process 6086 (syz-execprog) score 1 or sacrifice child [ 399.707686] Killed process 8500 (syz-executor0) total-vm:37444kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 399.718001] oom_reaper: reaped process 8500 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB 2018/12/08 03:16:36 executed programs: 2831 2018/12/08 03:16:37 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 [ 401.677931] IPVS: ftp: loaded support on port[0] = 21 [ 402.089594] device bridge_slave_1 left promiscuous mode [ 402.095481] bridge0: port 2(bridge_slave_1) entered disabled state [ 402.134809] device bridge_slave_0 left promiscuous mode [ 402.140235] bridge0: port 1(bridge_slave_0) entered disabled state [ 402.202329] team0 (unregistering): Port device team_slave_1 removed [ 402.211730] team0 (unregistering): Port device team_slave_0 removed [ 402.222682] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 402.247380] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 402.305289] bond0 (unregistering): Released all slaves [ 402.402253] bridge0: port 1(bridge_slave_0) entered blocking state [ 402.409057] bridge0: port 1(bridge_slave_0) entered disabled state [ 402.416575] device bridge_slave_0 entered promiscuous mode [ 402.439370] bridge0: port 2(bridge_slave_1) entered blocking state [ 402.445899] bridge0: port 2(bridge_slave_1) entered disabled state [ 402.452745] device bridge_slave_1 entered promiscuous mode [ 402.470288] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 402.488088] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 402.571477] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 402.603519] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 402.632021] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 402.638963] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 402.667911] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 402.675179] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 402.762943] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 402.770485] team0: Port device team_slave_0 added [ 402.798862] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 402.806496] team0: Port device team_slave_1 added [ 402.833200] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 402.864650] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 402.892728] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 402.899945] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 402.912483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 402.936437] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 402.943539] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 402.956648] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 403.213525] bridge0: port 2(bridge_slave_1) entered blocking state [ 403.219974] bridge0: port 2(bridge_slave_1) entered forwarding state [ 403.226700] bridge0: port 1(bridge_slave_0) entered blocking state [ 403.233076] bridge0: port 1(bridge_slave_0) entered forwarding state [ 403.241952] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 403.564137] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 404.034609] 8021q: adding VLAN 0 to HW filter on device bond0 [ 404.091577] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 404.148187] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 404.154568] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 404.161532] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 404.214769] 8021q: adding VLAN 0 to HW filter on device team0 2018/12/08 03:16:41 executed programs: 2873 2018/12/08 03:16:46 executed programs: 3273 2018/12/08 03:16:51 executed programs: 3676 2018/12/08 03:16:56 executed programs: 4085 [ 426.556976] syz-executor0 invoked oom-killer: gfp_mask=0x6002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=(null), order=0, oom_score_adj=1000 [ 426.571741] syz-executor0 cpuset=syz0 mems_allowed=0 [ 426.578230] CPU: 1 PID: 13275 Comm: syz-executor0 Not tainted 4.20.0-rc5+ #367 [ 426.585607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 426.595108] Call Trace: [ 426.597709] dump_stack+0x244/0x39d [ 426.601352] ? dump_stack_print_info.cold.1+0x20/0x20 [ 426.606577] dump_header+0x27b/0xf72 [ 426.610309] ? mark_held_locks+0x130/0x130 [ 426.614568] ? pagefault_out_of_memory+0x197/0x197 [ 426.619515] ? __lock_acquire+0x62f/0x4c20 [ 426.623754] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 426.628351] ? trace_hardirqs_on+0xbd/0x310 [ 426.632704] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.637822] ? zap_class+0x640/0x640 [ 426.641594] ? print_usage_bug+0xc0/0xc0 [ 426.645680] ? _raw_spin_unlock_irq+0x60/0x80 [ 426.650189] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.655750] ? find_held_lock+0x36/0x1c0 [ 426.659836] ? mark_held_locks+0xc7/0x130 [ 426.663995] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 426.669105] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 426.674217] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 426.678843] ? trace_hardirqs_on+0xbd/0x310 [ 426.683174] ? kasan_check_read+0x11/0x20 [ 426.687348] ? ___ratelimit+0x3b4/0x672 [ 426.691325] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.696450] ? trace_hardirqs_on+0x310/0x310 [ 426.700860] ? lock_downgrade+0x900/0x900 [ 426.704991] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 426.710077] ? ___ratelimit+0x3b9/0x672 [ 426.714054] ? idr_get_free+0xf70/0xf70 [ 426.718037] oom_kill_process.cold.27+0x10/0x903 [ 426.722817] ? zap_class+0x640/0x640 [ 426.726513] ? note_gp_changes+0x470/0x470 [ 426.730731] ? oom_evaluate_task+0x540/0x540 [ 426.735156] ? find_held_lock+0x36/0x1c0 [ 426.739215] ? out_of_memory+0x974/0x1430 [ 426.743348] ? lock_downgrade+0x900/0x900 [ 426.747481] ? __rcu_read_unlock+0x2d6/0x2e0 [ 426.751871] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 426.756787] ? kasan_check_read+0x11/0x20 [ 426.760933] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.766192] ? rcu_softirq_qs+0x20/0x20 [ 426.770159] ? kasan_check_write+0x14/0x20 [ 426.774377] ? oom_evaluate_task+0x302/0x540 [ 426.778774] out_of_memory+0xa84/0x1430 [ 426.782753] ? oom_killer_disable+0x3a0/0x3a0 [ 426.787254] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 426.792172] ? __ww_mutex_check_waiters+0x160/0x160 [ 426.797178] __alloc_pages_slowpath+0x232c/0x2de0 [ 426.802006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.807560] ? __switch_to_asm+0x34/0x70 [ 426.811612] ? warn_alloc+0x120/0x120 [ 426.815398] ? __schedule+0x8d7/0x21d0 [ 426.819277] ? __sched_text_start+0x8/0x8 [ 426.823420] ? mark_held_locks+0xc7/0x130 [ 426.827560] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 426.832125] ? retint_kernel+0x2d/0x2d [ 426.836001] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.841525] ? should_fail+0x22d/0xd01 [ 426.845399] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.850508] ? trace_hardirqs_on+0x310/0x310 [ 426.854900] ? zap_class+0x640/0x640 [ 426.858601] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 426.863378] ? __lock_is_held+0xb5/0x140 [ 426.867433] ? check_preemption_disabled+0x48/0x280 [ 426.872444] ? lock_release+0xa00/0xa00 [ 426.876402] ? perf_trace_sched_process_exec+0x860/0x860 [ 426.881846] ? __lock_is_held+0xb5/0x140 [ 426.885892] ? __might_sleep+0x95/0x190 [ 426.889850] __alloc_pages_nodemask+0xad8/0xea0 [ 426.894506] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 426.899506] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 426.904503] ? zap_class+0x640/0x640 [ 426.908241] ? __insert_vmap_area+0x550/0x550 [ 426.912731] ? __lock_is_held+0xb5/0x140 [ 426.916801] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 426.922325] alloc_pages_current+0x173/0x350 [ 426.926718] __vmalloc_node_range+0x498/0x750 [ 426.931227] ? newary+0x244/0xb40 [ 426.934671] __vmalloc_node_flags_caller+0x75/0x90 [ 426.939584] ? newary+0x244/0xb40 [ 426.943045] kvmalloc_node+0xd7/0xf0 [ 426.946748] newary+0x244/0xb40 [ 426.950014] ? semctl_stat+0x5f0/0x5f0 [ 426.953900] ? lock_acquire+0x1ed/0x520 [ 426.957857] ? ipcget+0x125/0x11b0 [ 426.961382] ? lock_release+0xa00/0xa00 [ 426.965352] ? perf_trace_sched_process_exec+0x860/0x860 [ 426.970796] ? down_write+0x8a/0x130 [ 426.974496] ? ipcget+0x125/0x11b0 [ 426.978020] ? down_read+0x120/0x120 [ 426.981718] ? zap_class+0x640/0x640 [ 426.985423] ipcget+0x15d/0x11b0 [ 426.988789] ? find_held_lock+0x36/0x1c0 [ 426.992843] ? ipc_obtain_object_check+0xc0/0xc0 [ 426.997585] ? lock_release+0xa00/0xa00 [ 427.001550] ? perf_trace_sched_process_exec+0x860/0x860 [ 427.007007] ? posix_ktime_get_ts+0x15/0x20 [ 427.011316] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.016423] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 427.021351] ? kasan_check_read+0x11/0x20 [ 427.025491] ? kasan_check_read+0x11/0x20 [ 427.029623] ? _copy_to_user+0xc8/0x110 [ 427.033584] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.039107] ? put_timespec64+0x10f/0x1b0 [ 427.043242] ? nsecs_to_jiffies+0x30/0x30 [ 427.047395] ksys_semget+0x1c0/0x280 [ 427.051134] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 427.055733] ? sem_exit_ns+0x40/0x40 [ 427.059449] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.064554] __x64_sys_semget+0x73/0xb0 [ 427.068516] do_syscall_64+0x1b9/0x820 [ 427.072386] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 427.077742] ? syscall_return_slowpath+0x5e0/0x5e0 [ 427.082659] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.087487] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.092489] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 427.097503] ? prepare_exit_to_usermode+0x291/0x3b0 [ 427.102536] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.107425] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 427.112625] RIP: 0033:0x457569 [ 427.115834] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 427.134742] RSP: 002b:00007fff40012d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000040 [ 427.142453] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 [ 427.149729] RDX: 0000000000000000 RSI: 0000000000004007 RDI: 0000000000000000 [ 427.156995] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 427.164270] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000016e8914 [ 427.171535] R13: 00000000004c3c0a R14: 00000000004d61e8 R15: 00000000ffffffff [ 427.184331] Mem-Info: [ 427.186871] active_anon:4125 inactive_anon:197 isolated_anon:0 [ 427.186871] active_file:220 inactive_file:200 isolated_file:0 [ 427.186871] unevictable:0 dirty:14 writeback:0 unstable:0 [ 427.186871] slab_reclaimable:13042 slab_unreclaimable:1527808 [ 427.186871] mapped:319 shmem:243 pagetables:317 bounce:0 [ 427.186871] free:24215 free_pcp:440 free_cma:0 [ 427.220307] Node 0 active_anon:16500kB inactive_anon:788kB active_file:1084kB inactive_file:684kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1576kB dirty:56kB writeback:0kB shmem:972kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 427.247711] 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 [ 427.274431] lowmem_reserve[]: 0 2818 6321 6321 [ 427.279056] Node 0 DMA32 free:43560kB min:30052kB low:37564kB high:45076kB active_anon:32kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:32kB pagetables:56kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 427.307464] lowmem_reserve[]: 0 0 3503 3503 [ 427.311812] Node 0 Normal free:38596kB min:37364kB low:46704kB high:56044kB active_anon:16468kB inactive_anon:788kB active_file:904kB inactive_file:556kB unevictable:0kB writepending:56kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6080kB pagetables:1212kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 427.340845] lowmem_reserve[]: 0 0 0 0 [ 427.344725] 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 [ 427.358517] Node 0 DMA32: 8*4kB (UME) 8*8kB (ME) 7*16kB (UME) 8*32kB (ME) 5*64kB (ME) 0*128kB 3*256kB (ME) 5*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 44048kB [ 427.374201] Node 0 Normal: 220*4kB (MEH) 464*8kB (UMEH) 122*16kB (UMEH) 70*32kB (UMEH) 33*64kB (UMEH) 20*128kB (ME) 15*256kB (UM) 8*512kB (UME) 10*1024kB (UM) 4*2048kB (UM) 0*4096kB = 39824kB [ 427.391547] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 427.400428] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 427.409022] 637 total pagecache pages [ 427.412811] 0 pages in swap cache [ 427.416278] Swap cache stats: add 0, delete 0, find 0/0 [ 427.421624] Free swap = 0kB [ 427.424649] Total swap = 0kB [ 427.427659] 1965979 pages RAM [ 427.430797] 0 pages HighMem/MovableOnly [ 427.435805] 342853 pages reserved [ 427.439273] 0 pages cma reserved [ 427.442683] Unreclaimable slab info: [ 427.446700] Name Used Total [ 427.452247] pid_2 89KB 96KB [ 427.457700] TIPC 2KB 7KB [ 427.463108] SCTPv6 4KB 6KB [ 427.468541] DCCPv6 4KB 7KB [ 427.473922] DCCP 4KB 6KB [ 427.479359] bridge_fdb_cache 1KB 7KB [ 427.484790] fib6_nodes 13KB 28KB [ 427.490178] ip6_dst_cache 15KB 63KB [ 427.495596] RAWv6 19KB 26KB [ 427.500970] UDPv6 3KB 3KB [ 427.506393] TCPv6 8KB 11KB 2018/12/08 03:17:02 executed programs: 4247 [ 427.511777] nf_conntrack 0KB 3KB [ 427.517220] sd_ext_cdb 0KB 3KB [ 427.522592] scsi_sense_cache 1056KB 1060KB [ 427.528120] virtio_scsi_cmd 16KB 16KB [ 427.533499] sgpool-128 8KB 8KB [ 427.538947] sgpool-64 4KB 6KB [ 427.544384] sgpool-32 2KB 7KB [ 427.549768] sgpool-16 1KB 3KB [ 427.555208] sgpool-8 0KB 3KB [ 427.560603] mqueue_inode_cache 2KB 7KB [ 427.566993] bio_post_read_ctx 14KB 15KB [ 427.572449] bio-2 14KB 15KB [ 427.577902] jfs_mp 7KB 7KB [ 427.583307] nfs_commit_data 3KB 7KB [ 427.588736] nfs_write_data 32KB 32KB [ 427.594173] ext4_system_zone 0KB 3KB [ 427.599562] bio-1 1KB 3KB [ 427.605010] pid_namespace 0KB 3KB [ 427.610384] rpc_buffers 17KB 19KB [ 427.615822] rpc_tasks 2KB 3KB [ 427.621189] UNIX 9KB 14KB [ 427.626636] tcp_bind_bucket 0KB 4KB [ 427.632000] ip_fib_trie 2KB 7KB [ 427.637396] ip_fib_alias 9KB 19KB [ 427.642784] ip_dst_cache 1KB 8KB [ 427.648157] RAW 11KB 14KB [ 427.653502] UDP 8KB 19KB [ 427.658881] TCP 5KB 5KB [ 427.664254] hugetlbfs_inode_cache 2KB 7KB [ 427.669970] fscache_cookie_jar 1KB 7KB [ 427.675439] eventpoll_pwq 37KB 39KB [ 427.680791] eventpoll_epi 70KB 74KB [ 427.686177] inotify_inode_mark 70KB 74KB [ 427.691612] request_queue 164KB 164KB [ 427.697463] blkdev_ioc 12KB 19KB [ 427.702816] bio-0 2025KB 2025KB [ 427.708222] biovec-max 1435KB 1435KB [ 427.713596] biovec-64 1464KB 1464KB [ 427.718996] biovec-16 382KB 382KB [ 427.724432] bio_integrity_payload 1KB 3KB [ 427.730155] khugepaged_mm_slot 0KB 3KB [ 427.735682] dmaengine-unmap-256 2KB 6KB [ 427.741227] dmaengine-unmap-128 1KB 3KB [ 427.746892] dmaengine-unmap-16 0KB 4KB [ 427.752371] dmaengine-unmap-2 0KB 3KB [ 427.757811] skbuff_fclone_cache 7KB 7KB [ 427.763354] skbuff_head_cache 518KB 1065KB [ 427.768802] configfs_dir_cache 0KB 4KB [ 427.774315] file_lock_cache 0KB 3KB [ 427.779691] file_lock_ctx 0KB 3KB [ 427.785144] fsnotify_mark_connector 40KB 43KB [ 427.791039] net_namespace 8KB 8KB [ 427.796474] shmem_inode_cache 5994KB 6027KB [ 427.801850] task_delay_info 116KB 429KB [ 427.807292] proc_dir_entry 321KB 337KB [ 427.812668] pde_opener 0KB 3KB [ 427.818127] seq_file 327KB 862KB [ 427.823500] sigqueue 42KB 185KB [ 427.829953] kernfs_node_cache 8043KB 8056KB [ 427.835465] mnt_cache 29KB 40KB [ 427.840851] filp 4126KB 6840KB [ 427.846334] names_cache 125902KB 125902KB [ 427.851701] iint_cache 30KB 55KB [ 427.857159] key_jar 3KB 7KB [ 427.862532] uts_namespace 0KB 3KB [ 427.867957] nsproxy 0KB 3KB [ 427.873342] vm_area_struct 6967KB 9977KB [ 427.878774] mm_struct 1122KB 2268KB [ 427.884162] fs_cache 124KB 440KB [ 427.889509] files_cache 368KB 671KB [ 427.894935] signal_cache 838KB 1638KB [ 427.900309] sighand_cache 462KB 575KB [ 427.905793] task_struct 2957KB 3000KB [ 427.911166] cred_jar 660KB 1876KB [ 427.916595] anon_vma_chain 4362KB 6536KB [ 427.921967] anon_vma 150KB 396KB [ 427.927446] pid 74KB 308KB [ 427.932827] Acpi-Operand 106KB 158KB [ 427.938274] Acpi-Namespace 19KB 23KB [ 427.943640] numa_policy 0KB 3KB [ 427.949042] debug_objects_cache 966KB 1060KB [ 427.955618] trace_event_file 260KB 262KB [ 427.960992] ftrace_event_field 376KB 378KB [ 427.966546] pool_workqueue 72KB 76KB [ 427.971919] task_group 0KB 3KB [ 427.977363] page->ptl 1353KB 3039KB [ 427.982762] kmalloc-4M 5718016KB 5718016KB [ 427.988268] kmalloc-2M 2050KB 2050KB [ 427.993764] kmalloc-512k 2056KB 2056KB [ 427.999342] kmalloc-256k 1290KB 1290KB [ 428.004956] kmalloc-128k 650KB 650KB [ 428.010327] kmalloc-64k 330KB 330KB [ 428.015925] kmalloc-32k 726KB 891KB [ 428.021302] kmalloc-16k 214KB 297KB [ 428.026767] kmalloc-8k 915KB 957KB [ 428.032319] kmalloc-4k 14981KB 15019KB [ 428.037878] kmalloc-2k 4545KB 4934KB [ 428.043252] kmalloc-1k 2800KB 3488KB [ 428.048815] kmalloc-512 2421KB 3352KB [ 428.054242] kmalloc-256 1800KB 2085KB [ 428.059638] kmalloc-128 859KB 882KB [ 428.065112] kmalloc-96 3072KB 3676KB [ 428.070490] kmalloc-64 2559KB 2564KB [ 428.075925] kmalloc-32 1441KB 1697KB [ 428.081468] kmalloc-192 435KB 968KB [ 428.087806] kmem_cache 171KB 172KB [ 428.093184] Out of memory: Kill process 13275 (syz-executor0) score 999 or sacrifice child [ 428.103562] Killed process 13275 (syz-executor0) total-vm:37440kB, anon-rss:88kB, file-rss:0kB, shmem-rss:0kB [ 428.115757] oom_reaper: reaped process 13275 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 430.672503] syz-executor0 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 430.685403] syz-executor0 cpuset=syz0 mems_allowed=0 [ 430.690581] CPU: 1 PID: 10881 Comm: syz-executor0 Not tainted 4.20.0-rc5+ #367 [ 430.697952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.707316] Call Trace: [ 430.709920] dump_stack+0x244/0x39d [ 430.713583] ? dump_stack_print_info.cold.1+0x20/0x20 [ 430.718808] ? mark_held_locks+0x130/0x130 [ 430.723054] ? mark_held_locks+0x130/0x130 [ 430.727296] dump_header+0x27b/0xf72 [ 430.731004] ? pagefault_out_of_memory+0x197/0x197 [ 430.735923] ? mark_held_locks+0x130/0x130 [ 430.740144] ? __lock_acquire+0x62f/0x4c20 [ 430.744364] ? print_usage_bug+0xc0/0xc0 [ 430.748440] ? zap_class+0x640/0x640 [ 430.752136] ? print_usage_bug+0xc0/0xc0 [ 430.756179] ? print_usage_bug+0xc0/0xc0 [ 430.760229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.765752] ? find_held_lock+0x36/0x1c0 [ 430.769806] ? mark_held_locks+0xc7/0x130 [ 430.773978] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 430.779066] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 430.784156] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 430.788725] ? trace_hardirqs_on+0xbd/0x310 [ 430.793032] ? kasan_check_read+0x11/0x20 [ 430.797167] ? ___ratelimit+0x3b4/0x672 [ 430.801129] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.806217] ? trace_hardirqs_on+0x310/0x310 [ 430.810611] ? lock_downgrade+0x900/0x900 [ 430.814750] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 430.819841] ? ___ratelimit+0x3b9/0x672 [ 430.823801] ? idr_get_free+0xf70/0xf70 [ 430.827774] ? kasan_check_read+0x11/0x20 [ 430.831936] ? do_raw_spin_unlock+0xa7/0x330 [ 430.836370] oom_kill_process.cold.27+0x10/0x903 [ 430.841148] ? zap_class+0x640/0x640 [ 430.844892] ? _raw_spin_unlock+0x2c/0x50 [ 430.849050] ? oom_badness+0xe6/0xaa0 [ 430.852871] ? oom_evaluate_task+0x540/0x540 [ 430.857321] ? find_held_lock+0x36/0x1c0 [ 430.861402] ? out_of_memory+0x974/0x1430 [ 430.865572] ? lock_downgrade+0x900/0x900 [ 430.869736] ? check_preemption_disabled+0x48/0x280 [ 430.874768] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 430.879714] ? kasan_check_read+0x11/0x20 [ 430.883873] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.889175] ? rcu_softirq_qs+0x20/0x20 [ 430.893179] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 430.898214] ? oom_evaluate_task+0x302/0x540 [ 430.902634] out_of_memory+0xa84/0x1430 [ 430.906611] ? oom_killer_disable+0x3a0/0x3a0 [ 430.911090] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 430.916005] ? __ww_mutex_check_waiters+0x160/0x160 [ 430.921012] __alloc_pages_slowpath+0x232c/0x2de0 [ 430.925853] ? warn_alloc+0x120/0x120 [ 430.929655] ? mark_held_locks+0x130/0x130 [ 430.933874] ? mark_held_locks+0x130/0x130 [ 430.938099] ? warn_alloc+0x120/0x120 [ 430.941886] ? print_usage_bug+0xc0/0xc0 [ 430.945935] ? print_usage_bug+0xc0/0xc0 [ 430.949980] ? print_usage_bug+0xc0/0xc0 [ 430.954091] ? unwind_dump+0x190/0x190 [ 430.957993] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.963534] ? should_fail+0x22d/0xd01 [ 430.967436] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.972548] ? zap_class+0x640/0x640 [ 430.976286] ? find_held_lock+0x36/0x1c0 [ 430.980366] ? lock_release+0xa00/0xa00 [ 430.984340] ? perf_trace_sched_process_exec+0x860/0x860 [ 430.989793] ? check_preemption_disabled+0x48/0x280 [ 430.994818] ? __might_sleep+0x95/0x190 [ 430.998800] __alloc_pages_nodemask+0xad8/0xea0 [ 431.003474] ? zap_class+0x640/0x640 [ 431.007194] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 431.012229] ? find_held_lock+0x36/0x1c0 [ 431.016322] ? cache_grow_begin+0x65/0x8c0 [ 431.020611] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 431.025197] ? trace_hardirqs_on+0xbd/0x310 [ 431.029523] ? fallback_alloc+0x204/0x2e0 [ 431.033677] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.038803] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 431.044352] cache_grow_begin+0xa5/0x8c0 [ 431.048442] ? do_raw_spin_unlock+0xa7/0x330 [ 431.052868] fallback_alloc+0x204/0x2e0 [ 431.056855] ____cache_alloc_node+0x1c7/0x1e0 [ 431.061377] kmem_cache_alloc+0x1f8/0x730 [ 431.065603] ? rcu_pm_notify+0xc0/0xc0 [ 431.069512] getname_flags+0xd0/0x590 [ 431.073320] user_path_at_empty+0x2d/0x50 [ 431.077490] vfs_statx+0x129/0x210 [ 431.081050] ? vfs_statx_fd+0xc0/0xc0 [ 431.084869] __do_sys_newlstat+0x8f/0x110 [ 431.089037] ? __do_sys_newstat+0x110/0x110 [ 431.093376] ? do_syscall_64+0x9a/0x820 [ 431.097384] ? do_syscall_64+0x9a/0x820 [ 431.101370] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 431.105963] ? trace_hardirqs_on+0xbd/0x310 [ 431.110298] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 431.115669] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.120780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.126325] ? getname_flags+0x26e/0x590 [ 431.130400] __x64_sys_newlstat+0x54/0x80 [ 431.134570] do_syscall_64+0x1b9/0x820 [ 431.138478] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 431.143850] ? syscall_return_slowpath+0x5e0/0x5e0 [ 431.148786] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.153635] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.158661] ? prepare_exit_to_usermode+0x291/0x3b0 [ 431.163684] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.168541] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 431.173728] RIP: 0033:0x456925 [ 431.176921] 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 [ 431.195822] RSP: 002b:00007fff40011e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 [ 431.203531] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000456925 [ 431.210799] RDX: 00007fff40011e50 RSI: 00007fff40011e50 RDI: 00007fff40011ee0 [ 431.218070] RBP: 0000000000000686 R08: 0000000000000000 R09: 0000000000000011 [ 431.225342] R10: 000000000000000a R11: 0000000000000246 R12: 00007fff40012f70 [ 431.232607] R13: 00000000016e9940 R14: 0000000000000000 R15: 0000000000000000 [ 431.242396] Mem-Info: [ 431.244886] active_anon:4146 inactive_anon:198 isolated_anon:0 [ 431.244886] active_file:140 inactive_file:135 isolated_file:25 [ 431.244886] unevictable:0 dirty:0 writeback:1 unstable:0 [ 431.244886] slab_reclaimable:13053 slab_unreclaimable:1527293 [ 431.244886] mapped:206 shmem:244 pagetables:322 bounce:0 [ 431.244886] free:24244 free_pcp:257 free_cma:0 [ 431.278191] Node 0 active_anon:16584kB inactive_anon:792kB active_file:560kB inactive_file:540kB unevictable:0kB isolated(anon):0kB isolated(file):100kB mapped:824kB dirty:0kB writeback:4kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 431.305650] 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 [ 431.332044] lowmem_reserve[]: 0 2818 6321 6321 [ 431.336788] Node 0 DMA32 free:44064kB min:30052kB low:37564kB high:45076kB active_anon:32kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:32kB pagetables:56kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 431.365070] lowmem_reserve[]: 0 0 3503 3503 [ 431.369490] Node 0 Normal free:37904kB min:37364kB low:46704kB high:56044kB active_anon:16552kB inactive_anon:792kB active_file:936kB inactive_file:980kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6080kB pagetables:1232kB bounce:0kB free_pcp:348kB local_pcp:0kB free_cma:0kB [ 431.398719] lowmem_reserve[]: 0 0 0 0 [ 431.402743] 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 [ 431.416669] Node 0 DMA32: 6*4kB (ME) 5*8kB (ME) 6*16kB (UME) 8*32kB (ME) 6*64kB (ME) 0*128kB 3*256kB (ME) 5*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 44064kB [ 431.432482] Node 0 Normal: 202*4kB (MEH) 255*8kB (UMEH) 99*16kB (UMEH) 65*32kB (UMEH) 28*64kB (UMEH) 18*128kB (UME) 16*256kB (UM) 9*512kB (UME) 10*1024kB (UM) 4*2048kB (UM) 0*4096kB = 37744kB [ 431.450034] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 431.459178] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 431.467933] 645 total pagecache pages [ 431.472006] 0 pages in swap cache [ 431.475700] Swap cache stats: add 0, delete 0, find 0/0 [ 431.481215] Free swap = 0kB [ 431.484362] Total swap = 0kB [ 431.487617] 1965979 pages RAM [ 431.490959] 0 pages HighMem/MovableOnly [ 431.495091] 342853 pages reserved [ 431.498663] 0 pages cma reserved [ 431.503062] Unreclaimable slab info: [ 431.508423] Name Used Total [ 431.515369] pid_2 77KB 96KB [ 431.521868] TIPC 2KB 7KB [ 431.527711] SCTPv6 4KB 6KB [ 431.533156] DCCPv6 4KB 7KB [ 431.538576] DCCP 4KB 6KB [ 431.543969] bridge_fdb_cache 1KB 7KB [ 431.549547] fib6_nodes 13KB 28KB [ 431.555243] ip6_dst_cache 22KB 63KB [ 431.561271] RAWv6 19KB 26KB [ 431.567602] UDPv6 3KB 3KB [ 431.573937] TCPv6 8KB 11KB [ 431.581776] nf_conntrack 0KB 3KB [ 431.587245] sd_ext_cdb 0KB 3KB [ 431.592613] scsi_sense_cache 1056KB 1060KB [ 431.598088] virtio_scsi_cmd 16KB 16KB [ 431.603559] sgpool-128 8KB 8KB [ 431.609059] sgpool-64 4KB 6KB [ 431.614574] sgpool-32 2KB 7KB [ 431.620065] sgpool-16 1KB 3KB [ 431.625567] sgpool-8 0KB 3KB [ 431.631017] mqueue_inode_cache 2KB 7KB [ 431.636615] bio_post_read_ctx 14KB 15KB [ 431.642105] bio-2 14KB 15KB [ 431.647563] jfs_mp 7KB 7KB [ 431.652932] nfs_commit_data 3KB 7KB [ 431.658323] nfs_write_data 32KB 32KB [ 431.663684] ext4_system_zone 0KB 3KB [ 431.669085] bio-1 1KB 3KB [ 431.674476] pid_namespace 0KB 3KB [ 431.679839] rpc_buffers 17KB 19KB [ 431.685239] rpc_tasks 2KB 3KB [ 431.690716] UNIX 9KB 14KB [ 431.696315] tcp_bind_bucket 0KB 4KB [ 431.701919] ip_fib_trie 2KB 7KB [ 431.707551] ip_fib_alias 9KB 19KB [ 431.713059] ip_dst_cache 1KB 8KB [ 431.718712] RAW 11KB 14KB [ 431.724279] UDP 8KB 19KB [ 431.729735] TCP 5KB 5KB [ 431.735382] hugetlbfs_inode_cache 2KB 7KB [ 431.741209] fscache_cookie_jar 1KB 7KB [ 431.746919] eventpoll_pwq 33KB 39KB [ 431.752458] eventpoll_epi 59KB 74KB [ 431.758040] inotify_inode_mark 61KB 74KB [ 431.763588] request_queue 164KB 164KB [ 431.769239] blkdev_ioc 13KB 19KB [ 431.774820] bio-0 3048KB 3048KB [ 431.780790] biovec-max 1699KB 1699KB [ 431.787491] biovec-64 1795KB 1795KB [ 431.793532] biovec-16 645KB 645KB [ 431.799330] bio_integrity_payload 1KB 3KB [ 431.805245] khugepaged_mm_slot 0KB 3KB [ 431.810876] dmaengine-unmap-256 2KB 6KB [ 431.816675] dmaengine-unmap-128 1KB 3KB [ 431.822361] dmaengine-unmap-16 0KB 4KB [ 431.827881] dmaengine-unmap-2 0KB 3KB [ 431.833359] skbuff_fclone_cache 4KB 7KB [ 431.839144] skbuff_head_cache 503KB 1057KB [ 431.844676] configfs_dir_cache 0KB 4KB [ 431.850350] file_lock_cache 0KB 3KB [ 431.855968] file_lock_ctx 0KB 3KB [ 431.861541] fsnotify_mark_connector 34KB 43KB [ 431.867675] net_namespace 8KB 8KB [ 431.873242] shmem_inode_cache 5962KB 6027KB [ 431.878670] task_delay_info 101KB 425KB [ 431.884159] proc_dir_entry 321KB 337KB [ 431.889599] pde_opener 0KB 3KB [ 431.895082] seq_file 324KB 862KB [ 431.900461] sigqueue 35KB 185KB [ 431.905966] kernfs_node_cache 8043KB 8056KB [ 431.911440] mnt_cache 29KB 40KB [ 431.916926] filp 4099KB 6836KB [ 431.922385] names_cache 124805KB 124805KB [ 431.927915] iint_cache 30KB 55KB [ 431.933357] key_jar 3KB 7KB [ 431.938884] uts_namespace 0KB 3KB [ 431.944391] nsproxy 0KB 3KB [ 431.949783] vm_area_struct 6891KB 9969KB [ 431.955323] mm_struct 1066KB 2190KB [ 431.960834] fs_cache 104KB 420KB [ 431.966479] files_cache 323KB 648KB [ 431.972041] signal_cache 792KB 1617KB [ 431.978887] sighand_cache 444KB 575KB [ 431.984307] task_struct 2932KB 2976KB [ 431.989737] cred_jar 628KB 1864KB [ 431.997209] anon_vma_chain 4293KB 6536KB [ 432.002656] anon_vma 141KB 396KB [ 432.008644] pid 65KB 308KB [ 432.014175] Acpi-Operand 106KB 158KB [ 432.019632] Acpi-Namespace 19KB 23KB [ 432.025140] numa_policy 0KB 3KB [ 432.030583] debug_objects_cache 965KB 1060KB [ 432.036244] trace_event_file 260KB 262KB [ 432.041686] ftrace_event_field 376KB 378KB [ 432.047305] pool_workqueue 72KB 76KB [ 432.052820] task_group 0KB 3KB [ 432.058300] page->ptl 1335KB 3039KB [ 432.063778] kmalloc-4M 5718016KB 5718016KB [ 432.069316] kmalloc-2M 2050KB 2050KB [ 432.074846] kmalloc-512k 2056KB 2056KB [ 432.080380] kmalloc-256k 1290KB 1290KB [ 432.085936] kmalloc-128k 650KB 650KB [ 432.091378] kmalloc-64k 330KB 330KB [ 432.096902] kmalloc-32k 726KB 825KB [ 432.102596] kmalloc-16k 214KB 264KB [ 432.108183] kmalloc-8k 915KB 940KB [ 432.113648] kmalloc-4k 14875KB 14896KB [ 432.119504] kmalloc-2k 4534KB 4908KB [ 432.125212] kmalloc-1k 2800KB 3488KB [ 432.130695] kmalloc-512 2393KB 3352KB [ 432.136384] kmalloc-256 1778KB 2085KB [ 432.141986] kmalloc-128 848KB 882KB [ 432.147644] kmalloc-96 3102KB 3676KB [ 432.153201] kmalloc-64 2547KB 2564KB [ 432.159381] kmalloc-32 1435KB 1697KB [ 432.166030] kmalloc-192 433KB 968KB [ 432.172776] kmem_cache 171KB 172KB [ 432.178427] Out of memory: Kill process 6086 (syz-execprog) score 1 or sacrifice child [ 432.186899] Killed process 10880 (syz-executor0) total-vm:37444kB, anon-rss:68kB, file-rss:0kB, shmem-rss:0kB [ 432.199570] udevd invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=-1000 [ 432.212889] udevd cpuset=/ mems_allowed=0 [ 432.217984] CPU: 1 PID: 3892 Comm: udevd Not tainted 4.20.0-rc5+ #367 [ 432.224586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.233949] Call Trace: [ 432.236557] dump_stack+0x244/0x39d [ 432.240239] ? dump_stack_print_info.cold.1+0x20/0x20 [ 432.245489] dump_header+0x27b/0xf72 [ 432.249246] ? mark_held_locks+0x130/0x130 [ 432.253506] ? pagefault_out_of_memory+0x197/0x197 [ 432.258465] ? mark_held_locks+0x130/0x130 [ 432.262714] ? __lock_acquire+0x62f/0x4c20 [ 432.266967] ? print_usage_bug+0xc0/0xc0 [ 432.271048] ? zap_class+0x640/0x640 [ 432.274782] ? print_usage_bug+0xc0/0xc0 [ 432.278853] ? print_usage_bug+0xc0/0xc0 [ 432.282927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.288479] ? find_held_lock+0x36/0x1c0 [ 432.292563] ? mark_held_locks+0xc7/0x130 [ 432.296724] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 432.301841] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 432.306953] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 432.311537] ? trace_hardirqs_on+0xbd/0x310 [ 432.315846] ? kasan_check_read+0x11/0x20 [ 432.319979] ? ___ratelimit+0x3b4/0x672 [ 432.323938] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.329023] ? trace_hardirqs_on+0x310/0x310 [ 432.333440] ? lock_downgrade+0x900/0x900 [ 432.337605] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 432.342722] ? ___ratelimit+0x3b9/0x672 [ 432.346742] ? idr_get_free+0xf70/0xf70 [ 432.350729] ? kasan_check_read+0x11/0x20 [ 432.354891] ? do_raw_spin_unlock+0xa7/0x330 [ 432.359321] oom_kill_process.cold.27+0x10/0x903 [ 432.364087] ? zap_class+0x640/0x640 [ 432.367812] ? _raw_spin_unlock+0x2c/0x50 [ 432.371968] ? oom_badness+0xe6/0xaa0 [ 432.375788] ? oom_evaluate_task+0x540/0x540 [ 432.380209] ? find_held_lock+0x36/0x1c0 [ 432.384298] ? out_of_memory+0x974/0x1430 [ 432.388460] ? lock_downgrade+0x900/0x900 [ 432.392623] ? check_preemption_disabled+0x48/0x280 [ 432.397656] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 432.402595] ? kasan_check_read+0x11/0x20 [ 432.406758] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.412042] ? rcu_softirq_qs+0x20/0x20 [ 432.416032] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 432.421060] ? oom_evaluate_task+0x302/0x540 [ 432.425481] out_of_memory+0xa84/0x1430 [ 432.429479] ? oom_killer_disable+0x3a0/0x3a0 [ 432.433988] ? __alloc_pages_slowpath+0xf5c/0x2de0 [ 432.438944] ? __ww_mutex_check_waiters+0x160/0x160 [ 432.443988] __alloc_pages_slowpath+0x232c/0x2de0 [ 432.448872] ? warn_alloc+0x120/0x120 [ 432.452757] ? alloc_set_pte+0x1447/0x1f40 [ 432.457000] ? warn_alloc+0x120/0x120 [ 432.460800] ? print_usage_bug+0xc0/0xc0 [ 432.464880] ? print_usage_bug+0xc0/0xc0 [ 432.469051] ? ext4_filemap_fault+0x8d/0xad [ 432.473387] ? print_usage_bug+0xc0/0xc0 [ 432.477478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.483031] ? should_fail+0x22d/0xd01 [ 432.486938] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.492055] ? zap_class+0x640/0x640 [ 432.495803] ? find_held_lock+0x36/0x1c0 [ 432.499891] ? lock_downgrade+0x900/0x900 [ 432.504056] ? lock_release+0xa00/0xa00 [ 432.508041] ? perf_trace_sched_process_exec+0x860/0x860 [ 432.513511] ? check_preemption_disabled+0x48/0x280 [ 432.518553] ? __might_sleep+0x95/0x190 [ 432.522556] __alloc_pages_nodemask+0xad8/0xea0 [ 432.527235] ? zap_class+0x640/0x640 [ 432.530973] ? __alloc_pages_slowpath+0x2de0/0x2de0 [ 432.536016] ? find_held_lock+0x36/0x1c0 [ 432.540101] ? cache_grow_begin+0x65/0x8c0 [ 432.544347] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 432.548945] ? trace_hardirqs_on+0xbd/0x310 [ 432.553284] ? fallback_alloc+0x204/0x2e0 [ 432.557455] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.562572] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 432.568138] cache_grow_begin+0xa5/0x8c0 [ 432.572219] ? do_raw_spin_unlock+0xa7/0x330 [ 432.576667] fallback_alloc+0x204/0x2e0 [ 432.580660] ____cache_alloc_node+0x1c7/0x1e0 [ 432.585169] kmem_cache_alloc+0x1f8/0x730 [ 432.589340] getname_flags+0xd0/0x590 [ 432.593158] getname+0x19/0x20 [ 432.596430] do_sys_open+0x383/0x700 [ 432.600161] ? filp_open+0x80/0x80 [ 432.603714] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.608835] __x64_sys_open+0x7e/0xc0 [ 432.612650] do_syscall_64+0x1b9/0x820 [ 432.616550] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 432.621926] ? syscall_return_slowpath+0x5e0/0x5e0 [ 432.626864] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.631734] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.636766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.642315] ? prepare_exit_to_usermode+0x291/0x3b0 [ 432.647347] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.652195] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 432.657368] RIP: 0033:0x7fb8cd2a5120 [ 432.661082] Code: Bad RIP value. [ 432.664439] RSP: 002b:00007ffd0bd4b258 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 432.672130] RAX: ffffffffffffffda RBX: 0000000001255b00 RCX: 00007fb8cd2a5120 [ 432.679381] RDX: 00000000000001b6 RSI: 0000000000080000 RDI: 00007ffd0bd4b320 [ 432.686630] RBP: 00007ffd0bd4b2d0 R08: 0000000000000008 R09: 0000000000000001 [ 432.693896] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 [ 432.701155] R13: 000000000041f57a R14: 0000000001255250 R15: 000000000000000b [ 432.714170] Mem-Info: [ 432.716627] active_anon:4124 inactive_anon:198 isolated_anon:0 [ 432.716627] active_file:34 inactive_file:119 isolated_file:0 [ 432.716627] unevictable:0 dirty:2 writeback:0 unstable:0 [ 432.716627] slab_reclaimable:13030 slab_unreclaimable:1527270 [ 432.716627] mapped:52 shmem:244 pagetables:312 bounce:0 [ 432.716627] free:24496 free_pcp:265 free_cma:0 [ 432.749711] Node 0 active_anon:16496kB inactive_anon:792kB active_file:328kB inactive_file:200kB unevictable:0kB isolated(anon):0kB isolated(file):124kB mapped:308kB dirty:8kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 432.776972] 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 [ 432.803354] lowmem_reserve[]: 0 2818 6321 6321 [ 432.807989] Node 0 DMA32 free:44064kB min:30052kB low:37564kB high:45076kB active_anon:32kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888780kB mlocked:0kB kernel_stack:32kB pagetables:56kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 432.838321] lowmem_reserve[]: 0 0 3503 3503 [ 432.842782] Node 0 Normal free:39020kB min:37364kB low:46704kB high:56044kB active_anon:16464kB inactive_anon:792kB active_file:188kB inactive_file:272kB unevictable:0kB writepending:8kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6016kB pagetables:1192kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 432.873772] lowmem_reserve[]: 0 0 0 0 [ 432.877878] 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 [ 432.891814] Node 0 DMA32: 6*4kB (ME) 5*8kB (ME) 6*16kB (UME) 8*32kB (ME) 6*64kB (ME) 0*128kB 3*256kB (ME) 5*512kB (UME) 5*1024kB (UME) 3*2048kB (ME) 7*4096kB (M) = 44064kB [ 432.907729] Node 0 Normal: 322*4kB (UMEH) 287*8kB (MEH) 107*16kB (MEH) 63*32kB (UMEH) 31*64kB (UMEH) 17*128kB (UME) 15*256kB (UM) 10*512kB (UME) 10*1024kB (UM) 4*2048kB (UM) 0*4096kB = 38864kB [ 432.925342] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 432.934390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 432.943131] 393 total pagecache pages [ 432.947272] 0 pages in swap cache [ 432.950937] Swap cache stats: add 0, delete 0, find 0/0 [ 432.957624] Free swap = 0kB [ 432.960923] Total swap = 0kB [ 432.964312] 1965979 pages RAM [ 432.967511] 0 pages HighMem/MovableOnly [ 432.971599] 342853 pages reserved [ 432.975328] 0 pages cma reserved [ 432.978868] Unreclaimable slab info: [ 432.982815] Name Used Total [ 432.988898] pid_2 75KB 96KB [ 432.994573] TIPC 2KB 7KB [ 433.000107] SCTPv6 4KB 6KB [ 433.005817] DCCPv6 4KB 7KB [ 433.011333] DCCP 4KB 6KB [ 433.016981] bridge_fdb_cache 1KB 7KB [ 433.022537] fib6_nodes 13KB 28KB [ 433.028308] ip6_dst_cache 22KB 63KB 2018/12/08 03:17:08 executed programs: 4249 [ 433.033981] RAWv6 19KB 26KB [ 433.040084] UDPv6 3KB 3KB [ 433.047021] TCPv6 8KB 11KB [ 433.053659] nf_conntrack 0KB 3KB [ 433.059422] sd_ext_cdb 0KB 3KB [ 433.065133] scsi_sense_cache 1056KB 1060KB [ 433.070840] virtio_scsi_cmd 16KB 16KB [ 433.087673] sgpool-128 8KB 8KB [ 433.093354] sgpool-64 4KB 6KB [ 433.099029] sgpool-32 2KB 7KB [ 433.105804] sgpool-16 1KB 3KB [ 433.112518] sgpool-8 0KB 3KB [ 433.119330] mqueue_inode_cache 2KB 7KB [ 433.125747] bio_post_read_ctx 14KB 15KB [ 433.132577] bio-2 14KB 15KB [ 433.138191] jfs_mp 7KB 7KB [ 433.143899] nfs_commit_data 3KB 7KB [ 433.149320] nfs_write_data 32KB 32KB [ 433.154912] ext4_system_zone 0KB 3KB [ 433.160296] bio-1 1KB 3KB [ 433.165805] pid_namespace 0KB 3KB [ 433.171455] rpc_buffers 17KB 19KB [ 433.177164] rpc_tasks 2KB 3KB [ 433.183302] UNIX 9KB 14KB [ 433.189364] tcp_bind_bucket 0KB 4KB [ 433.195129] ip_fib_trie 2KB 7KB [ 433.200772] ip_fib_alias 9KB 19KB [ 433.207236] ip_dst_cache 1KB 8KB [ 433.213374] RAW 11KB 14KB [ 433.219478] UDP 8KB 19KB [ 433.226228] TCP 5KB 5KB [ 433.231999] hugetlbfs_inode_cache 2KB 7KB [ 433.238348] fscache_cookie_jar 1KB 7KB [ 433.244548] eventpoll_pwq 32KB 39KB [ 433.250135] eventpoll_epi 57KB 74KB [ 433.256007] inotify_inode_mark 60KB 74KB [ 433.261903] request_queue 164KB 164KB [ 433.267531] blkdev_ioc 13KB 19KB [ 433.272986] bio-0 3273KB 3273KB [ 433.278521] biovec-max 1699KB 1699KB [ 433.285129] biovec-64 1811KB 1811KB [ 433.290987] biovec-16 697KB 697KB [ 433.296666] bio_integrity_payload 1KB 3KB [ 433.302713] khugepaged_mm_slot 0KB 3KB [ 433.308841] dmaengine-unmap-256 2KB 6KB [ 433.314533] dmaengine-unmap-128 1KB 3KB [ 433.320226] dmaengine-unmap-16 0KB 4KB [ 433.325925] dmaengine-unmap-2 0KB 3KB [ 433.332111] skbuff_fclone_cache 7KB 7KB [ 433.351078] skbuff_head_cache 503KB 1057KB [ 433.356775] configfs_dir_cache 0KB 4KB [ 433.362550] file_lock_cache 0KB 3KB [ 433.367979] file_lock_ctx 0KB 3KB [ 433.373490] fsnotify_mark_connector 34KB 43KB [ 433.380788] net_namespace 8KB 8KB [ 433.386305] shmem_inode_cache 5956KB 6027KB [ 433.391686] task_delay_info 96KB 417KB [ 433.397098] proc_dir_entry 320KB 337KB [ 433.402474] pde_opener 0KB 3KB [ 433.407882] seq_file 317KB 854KB [ 433.413250] sigqueue 34KB 185KB [ 433.418707] kernfs_node_cache 8043KB 8056KB [ 433.424503] mnt_cache 29KB 40KB [ 433.429976] filp 4092KB 6832KB [ 433.435703] names_cache 124202KB 124240KB [ 433.441329] iint_cache 27KB 55KB [ 433.447990] key_jar 3KB 7KB [ 433.454148] uts_namespace 0KB 3KB [ 433.460231] nsproxy 0KB 3KB [ 433.470377] vm_area_struct 6863KB 9969KB [ 433.476475] mm_struct 1025KB 2164KB [ 433.481952] fs_cache 97KB 412KB [ 433.487494] files_cache 305KB 641KB [ 433.492864] signal_cache 756KB 1588KB [ 433.498274] sighand_cache 444KB 575KB [ 433.503896] task_struct 2920KB 2976KB [ 433.524590] cred_jar 622KB 1856KB [ 433.529982] anon_vma_chain 4290KB 6536KB [ 433.544135] anon_vma 136KB 396KB [ 433.549531] pid 62KB 308KB [ 433.604617] Acpi-Operand 106KB 158KB [ 433.610027] Acpi-Namespace 19KB 23KB [ 433.624096] numa_policy 0KB 3KB [ 433.629492] debug_objects_cache 964KB 1060KB [ 433.653283] trace_event_file 260KB 262KB [ 433.658784] ftrace_event_field 376KB 378KB [ 433.677599] pool_workqueue 72KB 76KB [ 433.683008] task_group 0KB 3KB [ 433.707506] page->ptl 1335KB 3039KB [ 433.712958] kmalloc-4M 5038080KB 5050368KB [ 433.718427] kmalloc-2M 2050KB 2050KB [ 433.723827] kmalloc-512k 2056KB 2056KB [ 433.753542] kmalloc-256k 1290KB 1290KB [ 433.759047] kmalloc-128k 650KB 650KB [ 433.764469] kmalloc-64k 330KB 330KB [ 433.769838] kmalloc-32k 726KB 759KB [ 433.791449] kmalloc-16k 214KB 231KB [ 433.796943] kmalloc-8k 915KB 924KB [ 433.802357] kmalloc-4k 14866KB 14896KB [ 433.825950] kmalloc-2k 4481KB 4832KB [ 433.831472] kmalloc-1k 2800KB 3488KB [ 433.837365] kmalloc-512 2393KB 3352KB [ 433.844267] kmalloc-256 1775KB 2085KB [ 433.850188] kmalloc-128 843KB 882KB [ 433.862362] kmalloc-96 3110KB 3676KB [ 433.868423] kmalloc-64 2547KB 2564KB [ 433.874709] kmalloc-32 1435KB 1697KB [ 433.880106] kmalloc-192 433KB 968KB [ 433.888356] kmem_cache 171KB 172KB [ 433.895270] Out of memory: Kill process 6086 (syz-execprog) score 1 or sacrifice child [ 433.907689] Killed process 6086 (syz-execprog) total-vm:40280kB, anon-rss:8396kB, file-rss:0kB, shmem-rss:0kB [ 433.917942] syz-execprog (6086) used greatest stack depth: 5520 bytes left