[....] 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. [ 26.489330] kauditd_printk_skb: 7 callbacks suppressed [ 26.489342] audit: type=1800 audit(1541264790.569:29): pid=5519 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 [ 26.515809] audit: type=1800 audit(1541264790.569:30): pid=5519 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 '10.128.0.28' (ECDSA) to the list of known hosts. 2018/11/03 17:07:19 parsed 1 programs 2018/11/03 17:07:20 executed programs: 0 syzkaller login: [ 76.689726] IPVS: ftp: loaded support on port[0] = 21 [ 76.930811] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.937613] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.944885] device bridge_slave_0 entered promiscuous mode [ 76.963098] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.969718] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.976644] device bridge_slave_1 entered promiscuous mode [ 76.995354] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 77.013075] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 77.062503] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 77.084242] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 77.163312] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 77.170991] team0: Port device team_slave_0 added [ 77.189446] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 77.196537] team0: Port device team_slave_1 added [ 77.214357] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.234509] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.253788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.273945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.418146] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.424618] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.431766] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.438121] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.943562] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.997595] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 78.050093] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 78.056308] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 78.064923] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.110987] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.844678] oom_reaper: reaped process 5948 (syz-executor0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 83.943052] rsyslogd invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 83.954594] rsyslogd cpuset=/ mems_allowed=0 [ 83.959252] CPU: 0 PID: 5557 Comm: rsyslogd Not tainted 4.19.0+ #317 [ 83.965731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.975068] Call Trace: [ 83.977649] dump_stack+0x244/0x39d [ 83.981283] ? dump_stack_print_info.cold.1+0x20/0x20 [ 83.986488] ? mark_held_locks+0x130/0x130 [ 83.990727] ? mark_held_locks+0x130/0x130 [ 83.994950] dump_header+0x27b/0xf72 [ 83.998669] ? pagefault_out_of_memory+0x197/0x197 [ 84.003602] ? __lock_acquire+0x62f/0x4c20 [ 84.007827] ? print_usage_bug+0xc0/0xc0 [ 84.011877] ? zap_class+0x640/0x640 [ 84.015580] ? print_usage_bug+0xc0/0xc0 [ 84.019641] ? print_usage_bug+0xc0/0xc0 [ 84.023719] ? print_usage_bug+0xc0/0xc0 [ 84.027785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.033309] ? find_held_lock+0x36/0x1c0 [ 84.037361] ? mark_held_locks+0xc7/0x130 [ 84.041503] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 84.046590] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 84.051703] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 84.056275] ? trace_hardirqs_on+0xbd/0x310 [ 84.060582] ? kasan_check_read+0x11/0x20 [ 84.064718] ? ___ratelimit+0x3b4/0x672 [ 84.068676] ? trace_hardirqs_off_caller+0x310/0x310 [ 84.073763] ? trace_hardirqs_on+0x310/0x310 [ 84.078156] ? lock_downgrade+0x900/0x900 [ 84.082292] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 84.087403] ? ___ratelimit+0x3b9/0x672 [ 84.091365] ? idr_get_free+0xf70/0xf70 [ 84.095325] ? find_held_lock+0x36/0x1c0 [ 84.099381] oom_kill_process.cold.27+0x10/0x903 [ 84.104128] ? zap_class+0x640/0x640 [ 84.107831] ? check_preemption_disabled+0x48/0x280 [ 84.112836] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 84.117751] ? kasan_check_read+0x11/0x20 [ 84.121886] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 84.127149] ? oom_evaluate_task+0x540/0x540 [ 84.131545] ? find_held_lock+0x36/0x1c0 [ 84.135596] ? out_of_memory+0x974/0x1430 [ 84.139749] ? lock_downgrade+0x900/0x900 [ 84.143887] ? check_preemption_disabled+0x48/0x280 [ 84.148891] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 84.153807] ? kasan_check_read+0x11/0x20 [ 84.157940] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 84.163201] ? rcu_softirq_qs+0x20/0x20 [ 84.167165] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 84.172686] ? oom_evaluate_task+0x302/0x540 [ 84.177082] out_of_memory+0xa84/0x1430 [ 84.181058] ? oom_killer_disable+0x3a0/0x3a0 [ 84.185539] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 84.190458] ? __ww_mutex_check_waiters+0x160/0x160 [ 84.195464] __alloc_pages_slowpath+0x2354/0x2e10 [ 84.200307] ? warn_alloc+0x120/0x120 [ 84.204100] ? mark_held_locks+0x130/0x130 [ 84.208324] ? find_get_entry+0xaae/0x1120 [ 84.212550] ? filemap_map_pages+0x1a20/0x1a20 [ 84.217124] ? zap_class+0x640/0x640 [ 84.220831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.226356] ? check_preemption_disabled+0x48/0x280 [ 84.231358] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 84.236883] ? should_fail+0x22d/0xd01 [ 84.240758] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 84.245857] ? zap_class+0x640/0x640 [ 84.249599] ? __lock_is_held+0xb5/0x140 [ 84.253651] ? mark_held_locks+0x130/0x130 [ 84.257872] ? lock_release+0xa00/0xa00 [ 84.261947] ? perf_trace_sched_process_exec+0x860/0x860 [ 84.267385] ? xa_load+0x2ba/0x460 [ 84.270911] ? lock_downgrade+0x900/0x900 [ 84.275050] ? __might_sleep+0x95/0x190 [ 84.279017] __alloc_pages_nodemask+0xa80/0xde0 [ 84.283680] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 84.288681] ? __page_cache_alloc+0x191/0x5c0 [ 84.293157] ? xa_load+0x2e1/0x460 [ 84.296683] ? xa_clear_mark+0x40/0x40 [ 84.300556] ? zap_class+0x640/0x640 [ 84.304256] ? zap_class+0x640/0x640 [ 84.307951] ? zap_class+0x640/0x640 [ 84.311652] ? __do_page_cache_readahead+0x663/0x810 [ 84.316742] ? find_held_lock+0x36/0x1c0 [ 84.320792] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 84.326320] alloc_pages_current+0x173/0x350 [ 84.330715] __page_cache_alloc+0x38c/0x5c0 [ 84.335043] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 84.339960] ? kasan_check_read+0x11/0x20 [ 84.344091] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 84.349360] ? generic_perform_write+0x6a0/0x6a0 [ 84.354107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 84.359630] ? check_preemption_disabled+0x48/0x280 [ 84.364636] filemap_fault+0x1595/0x25f0 [ 84.368687] ? __lock_page_or_retry+0xa00/0xa00 [ 84.373343] ? mark_held_locks+0x130/0x130 [ 84.377566] ? filemap_map_pages+0xd6b/0x1a20 [ 84.382055] ? lock_downgrade+0x900/0x900 [ 84.386190] ? check_preemption_disabled+0x48/0x280 [ 84.391191] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 84.396108] ? kasan_check_read+0x11/0x20 [ 84.400241] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 84.405500] ? rcu_softirq_qs+0x20/0x20 [ 84.409470] ? filemap_map_pages+0xd92/0x1a20 [ 84.413958] ? find_get_entries_tag+0x1400/0x1400 [ 84.418790] ? __kernel_text_address+0xd/0x40 [ 84.423289] ? unwind_get_return_address+0x61/0xa0 [ 84.428247] ? lock_acquire+0x1ed/0x520 [ 84.432234] ? ext4_filemap_fault+0x7a/0xad [ 84.436561] ? lock_release+0xa00/0xa00 [ 84.440523] ? perf_trace_sched_process_exec+0x860/0x860 [ 84.445960] ? print_usage_bug+0xc0/0xc0 [ 84.450007] ? print_usage_bug+0xc0/0xc0 [ 84.454071] ? __x64_sys_read+0x73/0xb0 [ 84.458044] ? print_usage_bug+0xc0/0xc0 [ 84.462103] ? down_read+0x8d/0x120 [ 84.465714] ? ext4_filemap_fault+0x7a/0xad [ 84.470023] ? __down_interruptible+0x700/0x700 [ 84.474707] ext4_filemap_fault+0x82/0xad [ 84.478845] __do_fault+0x100/0x6b0 [ 84.482457] ? trace_hardirqs_on+0xbd/0x310 [ 84.486764] ? pmd_devmap_trans_unstable+0x220/0x220 [ 84.491858] ? mark_held_locks+0x130/0x130 [ 84.496077] ? mark_held_locks+0x130/0x130 [ 84.500316] ? do_syslog+0x147b/0x1690 [ 84.504191] ? do_syslog+0x309/0x1690 [ 84.507977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 84.513504] __handle_mm_fault+0x3ea6/0x5be0 [ 84.517901] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 84.522732] ? find_held_lock+0x36/0x1c0 [ 84.526789] ? zap_class+0x640/0x640 [ 84.530489] ? zap_class+0x640/0x640 [ 84.534188] ? find_held_lock+0x36/0x1c0 [ 84.538240] ? handle_mm_fault+0x42a/0xc70 [ 84.542464] ? lock_downgrade+0x900/0x900 [ 84.546602] ? check_preemption_disabled+0x48/0x280 [ 84.551609] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 84.556526] ? kasan_check_read+0x11/0x20 [ 84.560658] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 84.565919] ? rcu_softirq_qs+0x20/0x20 [ 84.569880] ? trace_hardirqs_off_caller+0x310/0x310 [ 84.574973] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 84.580501] ? check_preemption_disabled+0x48/0x280 [ 84.585509] handle_mm_fault+0x54f/0xc70 [ 84.589560] ? __handle_mm_fault+0x5be0/0x5be0 [ 84.594131] ? find_vma+0x34/0x190 [ 84.597659] __do_page_fault+0x5e8/0xe60 [ 84.601713] ? trace_hardirqs_off+0xb8/0x310 [ 84.606128] ? kernel_write+0x120/0x120 [ 84.610106] do_page_fault+0xf2/0x7e0 [ 84.613910] ? vmalloc_sync_all+0x30/0x30 [ 84.618052] ? error_entry+0x70/0xd0 [ 84.621755] ? trace_hardirqs_off_caller+0xbb/0x310 [ 84.626754] ? trace_hardirqs_on_caller+0xc0/0x310 [ 84.631672] ? syscall_return_slowpath+0x5e0/0x5e0 [ 84.636584] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.641417] ? trace_hardirqs_on_caller+0x310/0x310 [ 84.646419] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 84.651860] ? prepare_exit_to_usermode+0x291/0x3b0 [ 84.656862] ? page_fault+0x8/0x30 [ 84.660388] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.665218] ? page_fault+0x8/0x30 [ 84.668742] page_fault+0x1e/0x30 [ 84.672183] RIP: 0033:0x7f13265241fd [ 84.675893] Code: Bad RIP value. [ 84.679242] RSP: 002b:00007f1323ac3e30 EFLAGS: 00010293 [ 84.684590] RAX: 0000000000000071 RBX: 0000000001166170 RCX: 00007f13265241fd [ 84.691846] RDX: 0000000000000fff RSI: 00007f13252f85a0 RDI: 0000000000000004 [ 84.699106] RBP: 0000000000000000 R08: 0000000001151260 R09: 0000000000000000 [ 84.706363] R10: 6b205d3038343931 R11: 0000000000000293 R12: 000000000065e420 [ 84.713617] R13: 00007f1323ac49c0 R14: 00007f1326b69040 R15: 0000000000000003 [ 84.722974] Mem-Info: [ 84.725430] active_anon:3535 inactive_anon:131 isolated_anon:0 [ 84.725430] active_file:71 inactive_file:39 isolated_file:0 [ 84.725430] unevictable:0 dirty:59 writeback:0 unstable:0 [ 84.725430] slab_reclaimable:11349 slab_unreclaimable:89071 [ 84.725430] mapped:2 shmem:138 pagetables:301 bounce:0 [ 84.725430] free:15858 free_pcp:62 free_cma:0 [ 84.757924] Node 0 active_anon:14140kB inactive_anon:524kB active_file:188kB inactive_file:184kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:236kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 84.784797] 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 [ 84.810992] lowmem_reserve[]: 0 2818 6321 6321 [ 84.815623] Node 0 DMA32 free:28868kB min:30052kB low:37564kB high:45076kB active_anon:8kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 84.842875] lowmem_reserve[]: 0 0 3503 3503 [ 84.847199] Node 0 Normal free:18696kB min:37364kB low:46704kB high:56044kB active_anon:14132kB inactive_anon:524kB active_file:188kB inactive_file:184kB unevictable:0kB writepending:236kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:4736kB pagetables:1204kB bounce:0kB free_pcp:264kB local_pcp:0kB free_cma:0kB [ 84.876233] lowmem_reserve[]: 0 0 0 0 [ 84.880105] 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 [ 84.893794] Node 0 DMA32: 1*4kB (U) 2*8kB (UM) 1*16kB (M) 3*32kB (M) 3*64kB (M) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 4*4096kB (M) = 28868kB [ 84.908953] Node 0 Normal: 671*4kB (UME) 420*8kB (M) 211*16kB (UMEH) 100*32kB (UME) 47*64kB (UME) 12*128kB (UM) 3*256kB (UMH) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 18444kB [ 84.924752] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 84.933631] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 84.942239] 231 total pagecache pages [ 84.946029] 0 pages in swap cache [ 84.949556] Swap cache stats: add 0, delete 0, find 0/0 [ 84.954918] Free swap = 0kB [ 84.957915] Total swap = 0kB [ 84.960971] 1965979 pages RAM [ 84.964071] 0 pages HighMem/MovableOnly [ 84.968029] 342855 pages reserved [ 84.971510] 0 pages cma reserved [ 84.974917] Unreclaimable slab info: [ 84.978896] Name Used Total [ 84.984480] pid_2 33KB 36KB [ 84.989885] TIPC 2KB 7KB [ 84.995238] SCTPv6 4KB 6KB [ 85.000656] DCCPv6 4KB 7KB [ 85.006023] DCCP 4KB 6KB [ 85.011449] bridge_fdb_cache 3KB 7KB [ 85.016824] fib6_nodes 14KB 16KB [ 85.022245] ip6_dst_cache 63KB 63KB [ 85.027603] RAWv6 19KB 19KB [ 85.033027] UDPv6 14KB 14KB [ 85.038403] TCPv6 8KB 11KB [ 85.043782] nf_conntrack 3KB 7KB [ 85.049210] sd_ext_cdb 0KB 3KB [ 85.054581] scsi_sense_cache 1056KB 1060KB [ 85.059995] virtio_scsi_cmd 16KB 16KB [ 85.065351] sgpool-128 8KB 8KB [ 85.070756] sgpool-64 4KB 6KB [ 85.076160] sgpool-32 2KB 7KB [ 85.081563] sgpool-16 1KB 3KB [ 85.086911] sgpool-8 0KB 3KB [ 85.092313] mqueue_inode_cache 2KB 7KB [ 85.097774] bio_post_read_ctx 14KB 15KB [ 85.103186] bio-2 14KB 19KB [ 85.108580] jfs_mp 7KB 7KB [ 85.113964] nfs_commit_data 3KB 7KB [ 85.119381] nfs_write_data 32KB 32KB [ 85.124758] ext4_system_zone 0KB 3KB [ 85.130157] bio-1 1KB 3KB [ 85.135512] pid_namespace 0KB 3KB [ 85.140926] rpc_buffers 17KB 19KB [ 85.146287] rpc_tasks 2KB 3KB [ 85.151694] UNIX 435KB 438KB [ 85.157067] tcp_bind_bucket 0KB 4KB [ 85.162449] ip_fib_trie 2KB 3KB [ 85.167800] ip_fib_alias 9KB 11KB [ 85.173174] ip_dst_cache 3KB 8KB [ 85.178573] RAW 11KB 14KB [ 85.183942] UDP 34KB 39KB [ 85.189333] TCP 5KB 5KB [ 85.194682] hugetlbfs_inode_cache 2KB 7KB [ 85.200432] fscache_cookie_jar 1KB 7KB [ 85.205892] eventpoll_pwq 11KB 15KB [ 85.211270] eventpoll_epi 20KB 23KB [ 85.216618] inotify_inode_mark 6KB 11KB [ 85.222122] request_queue 164KB 164KB [ 85.227497] blkdev_ioc 25KB 30KB [ 85.232915] bio-0 450KB 450KB [ 85.238276] biovec-max 1278KB 1278KB [ 85.243653] biovec-64 261KB 267KB [ 85.249064] biovec-16 23KB 30KB [ 85.254431] bio_integrity_payload 1KB 3KB [ 85.260192] khugepaged_mm_slot 0KB 3KB [ 85.265646] uid_cache 1KB 4KB [ 85.271055] dmaengine-unmap-256 2KB 6KB [ 85.276600] dmaengine-unmap-128 1KB 3KB [ 85.282172] dmaengine-unmap-16 0KB 4KB [ 85.287610] dmaengine-unmap-2 0KB 3KB [ 85.293014] audit_buffer 0KB 3KB [ 85.298386] skbuff_fclone_cache 115KB 120KB [ 85.303936] skbuff_head_cache 1616KB 1616KB [ 85.309315] configfs_dir_cache 0KB 4KB [ 85.314765] file_lock_cache 163KB 166KB [ 85.320174] file_lock_ctx 1KB 3KB [ 85.325547] fsnotify_mark_connector 3KB 7KB [ 85.331457] net_namespace 8KB 8KB [ 85.336810] shmem_inode_cache 3736KB 3759KB [ 85.342213] task_delay_info 391KB 417KB [ 85.347574] taskstats 1KB 3KB [ 85.352978] proc_dir_entry 321KB 326KB [ 85.358344] pde_opener 19KB 27KB [ 85.363734] seq_file 203KB 763KB [ 85.369141] sigqueue 189KB 212KB [ 85.374502] kernfs_node_cache 7533KB 7536KB [ 85.379901] mnt_cache 30KB 32KB [ 85.385263] filp 7226KB 7848KB [ 85.390653] names_cache 92373KB 92412KB [ 85.396001] iint_cache 73KB 75KB [ 85.401374] key_jar 3KB 7KB [ 85.406727] uts_namespace 0KB 3KB [ 85.412137] nsproxy 0KB 3KB [ 85.417501] vm_area_struct 18238KB 18926KB [ 85.422901] mm_struct 4894KB 5252KB [ 85.428264] fs_cache 458KB 488KB [ 85.433641] files_cache 1759KB 1811KB [ 85.439057] signal_cache 2751KB 2954KB [ 85.444512] sighand_cache 321KB 492KB [ 85.449891] task_struct 11168KB 11224KB [ 85.455240] cred_jar 2471KB 2596KB [ 85.460641] anon_vma_chain 8584KB 9359KB [ 85.466003] anon_vma 120KB 319KB [ 85.471402] pid 238KB 320KB [ 85.476776] Acpi-Operand 106KB 162KB [ 85.482166] Acpi-Namespace 19KB 23KB [ 85.487514] numa_policy 0KB 3KB [ 85.492888] debug_objects_cache 813KB 850KB [ 85.498409] trace_event_file 260KB 262KB [ 85.503815] ftrace_event_field 376KB 381KB [ 85.509408] pool_workqueue 56KB 56KB [ 85.514778] task_group 0KB 3KB [ 85.520194] page->ptl 3080KB 3407KB [ 85.525572] kmalloc-2M 2050KB 2050KB [ 85.530980] kmalloc-512k 2056KB 2056KB [ 85.536342] kmalloc-256k 1290KB 1290KB [ 85.541904] kmalloc-128k 650KB 650KB [ 85.547252] kmalloc-64k 330KB 330KB [ 85.552635] kmalloc-32k 16104KB 16104KB [ 85.557981] kmalloc-16k 1485KB 1485KB [ 85.563385] kmalloc-8k 915KB 915KB [ 85.568806] kmalloc-4k 7590KB 7628KB [ 85.574185] kmalloc-2k 7316KB 7318KB [ 85.579588] kmalloc-1k 3638KB 3638KB [ 85.584950] kmalloc-512 3538KB 3663KB [ 85.590357] kmalloc-256 1485KB 1492KB [ 85.595722] kmalloc-128 561KB 567KB [ 85.601108] kmalloc-96 1925KB 2440KB [ 85.606455] kmalloc-64 725KB 728KB [ 85.611833] kmalloc-32 987KB 1645KB [ 85.617281] kmalloc-192 440KB 924KB [ 85.622686] kmem_cache 171KB 176KB [ 85.628069] Out of memory: Kill process 5678 (syz-execprog) score 1 or sacrifice child [ 85.637166] Killed process 5689 (syz-executor0) total-vm:37444kB, anon-rss:64kB, file-rss:4kB, shmem-rss:0kB [ 85.662507] syz-execprog invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 85.674183] syz-execprog cpuset=/ mems_allowed=0 [ 85.680765] CPU: 1 PID: 5690 Comm: syz-execprog Not tainted 4.19.0+ #317 [ 85.687629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.696965] Call Trace: [ 85.699554] dump_stack+0x244/0x39d [ 85.703203] ? dump_stack_print_info.cold.1+0x20/0x20 [ 85.708397] ? mark_held_locks+0x130/0x130 [ 85.712621] ? mark_held_locks+0x130/0x130 [ 85.716846] dump_header+0x27b/0xf72 [ 85.720570] ? pagefault_out_of_memory+0x197/0x197 [ 85.725527] ? __lock_acquire+0x62f/0x4c20 [ 85.729766] ? percpu_ref_get_many+0x240/0x240 [ 85.734333] ? print_usage_bug+0xc0/0xc0 [ 85.738380] ? zap_class+0x640/0x640 [ 85.742094] ? print_usage_bug+0xc0/0xc0 [ 85.746154] ? print_usage_bug+0xc0/0xc0 [ 85.750204] ? zap_class+0x640/0x640 [ 85.753909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.759448] ? find_held_lock+0x36/0x1c0 [ 85.763525] ? mark_held_locks+0xc7/0x130 [ 85.767712] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 85.772804] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 85.777897] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 85.782481] ? trace_hardirqs_on+0xbd/0x310 [ 85.786820] ? kasan_check_read+0x11/0x20 [ 85.790973] ? ___ratelimit+0x3b4/0x672 [ 85.794950] ? trace_hardirqs_off_caller+0x310/0x310 [ 85.800059] ? trace_hardirqs_on+0x310/0x310 [ 85.804480] ? lock_downgrade+0x900/0x900 [ 85.808638] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 85.813731] ? ___ratelimit+0x3b9/0x672 [ 85.817692] ? idr_get_free+0xf70/0xf70 [ 85.821661] ? find_held_lock+0x36/0x1c0 [ 85.825743] oom_kill_process.cold.27+0x10/0x903 [ 85.830502] ? zap_class+0x640/0x640 [ 85.834204] ? check_preemption_disabled+0x48/0x280 [ 85.839228] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 85.844170] ? kasan_check_read+0x11/0x20 [ 85.848316] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 85.853582] ? oom_evaluate_task+0x540/0x540 [ 85.857989] ? find_held_lock+0x36/0x1c0 [ 85.862064] ? out_of_memory+0x974/0x1430 [ 85.866215] ? lock_downgrade+0x900/0x900 [ 85.870353] ? check_preemption_disabled+0x48/0x280 [ 85.875356] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 85.880285] ? kasan_check_read+0x11/0x20 [ 85.884447] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 85.889725] ? rcu_softirq_qs+0x20/0x20 [ 85.893691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.899227] ? oom_evaluate_task+0x302/0x540 [ 85.903647] out_of_memory+0xa84/0x1430 [ 85.907629] ? oom_killer_disable+0x3a0/0x3a0 [ 85.912112] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 85.917031] ? __ww_mutex_check_waiters+0x160/0x160 [ 85.922075] __alloc_pages_slowpath+0x2354/0x2e10 [ 85.926933] ? warn_alloc+0x120/0x120 [ 85.930725] ? mark_held_locks+0x130/0x130 [ 85.934951] ? find_get_entry+0xaae/0x1120 [ 85.939197] ? filemap_map_pages+0x1a20/0x1a20 [ 85.943798] ? zap_class+0x640/0x640 [ 85.947516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.953056] ? check_preemption_disabled+0x48/0x280 [ 85.958065] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.963607] ? should_fail+0x22d/0xd01 [ 85.967497] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 85.972593] ? zap_class+0x640/0x640 [ 85.976330] ? __lock_is_held+0xb5/0x140 [ 85.980400] ? mark_held_locks+0x130/0x130 [ 85.984635] ? lock_release+0xa00/0xa00 [ 85.988613] ? perf_trace_sched_process_exec+0x860/0x860 [ 85.994065] ? xa_load+0x2ba/0x460 [ 85.997591] ? lock_downgrade+0x900/0x900 [ 86.001744] ? __might_sleep+0x95/0x190 [ 86.005724] __alloc_pages_nodemask+0xa80/0xde0 [ 86.010384] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 86.015393] ? __page_cache_alloc+0x191/0x5c0 [ 86.019886] ? xa_load+0x2e1/0x460 [ 86.023445] ? xa_clear_mark+0x40/0x40 [ 86.027359] ? zap_class+0x640/0x640 [ 86.039344] ? zap_class+0x640/0x640 [ 86.043075] ? zap_class+0x640/0x640 [ 86.046791] ? __do_page_cache_readahead+0x663/0x810 [ 86.051883] ? find_held_lock+0x36/0x1c0 [ 86.055934] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 86.061486] alloc_pages_current+0x173/0x350 [ 86.065899] __page_cache_alloc+0x38c/0x5c0 [ 86.070208] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 86.075122] ? kasan_check_read+0x11/0x20 [ 86.079264] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 86.084542] ? generic_perform_write+0x6a0/0x6a0 [ 86.089286] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 86.094815] ? check_preemption_disabled+0x48/0x280 [ 86.099844] filemap_fault+0x1595/0x25f0 [ 86.103930] ? __lock_page_or_retry+0xa00/0xa00 [ 86.108620] ? mark_held_locks+0x130/0x130 [ 86.112850] ? filemap_map_pages+0xd6b/0x1a20 [ 86.117330] ? lock_downgrade+0x900/0x900 [ 86.121750] ? check_preemption_disabled+0x48/0x280 [ 86.126769] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 86.131717] ? kasan_check_read+0x11/0x20 [ 86.135854] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 86.141131] ? rcu_softirq_qs+0x20/0x20 [ 86.145119] ? filemap_map_pages+0xd92/0x1a20 [ 86.149614] ? find_get_entries_tag+0x1400/0x1400 [ 86.154444] ? ep_scan_ready_list+0xbc7/0x1050 [ 86.159030] ? trace_hardirqs_off_caller+0x310/0x310 [ 86.164161] ? lock_acquire+0x1ed/0x520 [ 86.168125] ? ext4_filemap_fault+0x7a/0xad [ 86.172435] ? lock_release+0xa00/0xa00 [ 86.176393] ? perf_trace_sched_process_exec+0x860/0x860 [ 86.181840] ? print_usage_bug+0xc0/0xc0 [ 86.185905] ? print_usage_bug+0xc0/0xc0 [ 86.189959] ? down_read+0x8d/0x120 [ 86.193567] ? ext4_filemap_fault+0x7a/0xad [ 86.197873] ? __down_interruptible+0x700/0x700 [ 86.202546] ext4_filemap_fault+0x82/0xad [ 86.206698] __do_fault+0x100/0x6b0 [ 86.210316] ? pmd_devmap_trans_unstable+0x220/0x220 [ 86.215407] ? mark_held_locks+0x130/0x130 [ 86.219641] ? mark_held_locks+0x130/0x130 [ 86.223887] ? kasan_check_read+0x11/0x20 [ 86.228059] ? ep_poll+0xffa/0x13d0 [ 86.231682] ? trace_hardirqs_off_caller+0x310/0x310 [ 86.236774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 86.242317] __handle_mm_fault+0x3ea6/0x5be0 [ 86.246729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.252259] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 86.257095] ? do_epoll_create+0x590/0x590 [ 86.261330] ? kasan_check_read+0x11/0x20 [ 86.265481] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 86.270746] ? rcu_softirq_qs+0x20/0x20 [ 86.274718] ? zap_class+0x640/0x640 [ 86.278418] ? zap_class+0x640/0x640 [ 86.282136] ? find_held_lock+0x36/0x1c0 [ 86.286209] ? handle_mm_fault+0x42a/0xc70 [ 86.290430] ? lock_downgrade+0x900/0x900 [ 86.294567] ? check_preemption_disabled+0x48/0x280 [ 86.299588] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 86.304529] ? kasan_check_read+0x11/0x20 [ 86.308663] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 86.313932] ? rcu_softirq_qs+0x20/0x20 [ 86.317913] ? trace_hardirqs_off_caller+0x310/0x310 [ 86.323022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 86.328583] ? check_preemption_disabled+0x48/0x280 [ 86.333616] handle_mm_fault+0x54f/0xc70 [ 86.337664] ? __handle_mm_fault+0x5be0/0x5be0 [ 86.342253] ? find_vma+0x34/0x190 [ 86.345800] __do_page_fault+0x5e8/0xe60 [ 86.349867] ? trace_hardirqs_off+0xb8/0x310 [ 86.354263] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 86.359804] do_page_fault+0xf2/0x7e0 [ 86.363624] ? vmalloc_sync_all+0x30/0x30 [ 86.367771] ? error_entry+0x70/0xd0 [ 86.371472] ? trace_hardirqs_off_caller+0xbb/0x310 [ 86.376474] ? trace_hardirqs_on_caller+0xc0/0x310 [ 86.381400] ? syscall_return_slowpath+0x5e0/0x5e0 [ 86.386327] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 86.391155] ? trace_hardirqs_on_caller+0x310/0x310 [ 86.396154] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 86.401610] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 86.406629] ? prepare_exit_to_usermode+0x291/0x3b0 [ 86.411632] ? page_fault+0x8/0x30 [ 86.415160] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 86.420005] ? page_fault+0x8/0x30 [ 86.423561] page_fault+0x1e/0x30 [ 86.427018] RIP: 0033:0x457e19 [ 86.430212] Code: Bad RIP value. [ 86.433558] RSP: 002b:000000c4200b3890 EFLAGS: 00010246 [ 86.438913] RAX: 0000000000000002 RBX: 00000000ffffffff RCX: 0000000000457e19 [ 86.446178] RDX: 0000000000000080 RSI: 000000c4200b38d0 RDI: 0000000000000004 [ 86.453448] RBP: 000000c4200b3ed0 R08: 0000000000000003 R09: 000000c420001500 [ 86.460710] R10: 00000000ffffffff R11: 0000000000000246 R12: 000000000042d030 [ 86.467976] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000 [ 86.481435] Mem-Info: [ 86.483901] active_anon:3510 inactive_anon:131 isolated_anon:0 [ 86.483901] active_file:77 inactive_file:38 isolated_file:0 [ 86.483901] unevictable:0 dirty:59 writeback:0 unstable:0 [ 86.483901] slab_reclaimable:11348 slab_unreclaimable:89058 [ 86.483901] mapped:2 shmem:138 pagetables:301 bounce:0 [ 86.483901] free:15855 free_pcp:62 free_cma:0 [ 86.516384] Node 0 active_anon:14004kB inactive_anon:524kB active_file:236kB inactive_file:184kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:236kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 86.543353] 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 [ 86.569673] lowmem_reserve[]: 0 2818 6321 6321 [ 86.574278] Node 0 DMA32 free:28876kB 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:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 86.603764] lowmem_reserve[]: 0 0 3503 3503 [ 86.608114] Node 0 Normal free:18436kB min:37364kB low:46704kB high:56044kB active_anon:14004kB inactive_anon:524kB active_file:156kB inactive_file:156kB unevictable:0kB writepending:236kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:4704kB pagetables:1160kB bounce:0kB free_pcp:496kB local_pcp:248kB free_cma:0kB [ 86.637330] lowmem_reserve[]: 0 0 0 0 [ 86.641248] 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 [ 86.654889] Node 0 DMA32: 3*4kB (UM) 2*8kB (UM) 1*16kB (M) 3*32kB (M) 3*64kB (M) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 4*4096kB (M) = 28876kB [ 86.670194] Node 0 Normal: 671*4kB (ME) 421*8kB (UM) 208*16kB (UMEH) 101*32kB (UME) 47*64kB (UME) 12*128kB (UM) 3*256kB (UMH) 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 18436kB [ 86.686027] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 86.694892] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 86.703497] 231 total pagecache pages [ 86.707308] 0 pages in swap cache [ 86.710815] Swap cache stats: add 0, delete 0, find 0/0 [ 86.716174] Free swap = 0kB [ 86.720230] Total swap = 0kB [ 86.723253] 1965979 pages RAM [ 86.726358] 0 pages HighMem/MovableOnly [ 86.730361] 342855 pages reserved [ 86.733797] 0 pages cma reserved [ 86.737157] Unreclaimable slab info: [ 86.743070] Name Used Total [ 86.749171] pid_2 33KB 36KB [ 86.754547] TIPC 2KB 7KB [ 86.762822] SCTPv6 4KB 6KB [ 86.768201] DCCPv6 4KB 7KB [ 86.773589] DCCP 4KB 6KB [ 86.779013] bridge_fdb_cache 3KB 7KB [ 86.784386] fib6_nodes 14KB 16KB [ 86.789856] ip6_dst_cache 63KB 63KB [ 86.795210] RAWv6 19KB 19KB [ 86.800615] UDPv6 14KB 14KB [ 86.805978] TCPv6 8KB 11KB [ 86.811360] nf_conntrack 3KB 7KB [ 86.816740] sd_ext_cdb 0KB 3KB [ 86.822148] scsi_sense_cache 1056KB 1060KB [ 86.827510] virtio_scsi_cmd 16KB 16KB [ 86.832904] sgpool-128 8KB 8KB [ 86.838254] sgpool-64 4KB 6KB [ 86.843660] sgpool-32 2KB 7KB [ 86.849107] sgpool-16 1KB 3KB [ 86.854471] sgpool-8 0KB 3KB [ 86.859857] mqueue_inode_cache 2KB 7KB [ 86.865312] bio_post_read_ctx 14KB 15KB [ 86.870756] bio-2 14KB 19KB [ 86.876124] jfs_mp 7KB 7KB [ 86.882511] nfs_commit_data 3KB 7KB [ 86.887887] nfs_write_data 32KB 32KB [ 86.896879] ext4_system_zone 0KB 3KB [ 86.905191] bio-1 1KB 3KB [ 86.910599] pid_namespace 0KB 3KB [ 86.915968] rpc_buffers 17KB 19KB [ 86.923365] rpc_tasks 2KB 3KB [ 86.928836] UNIX 435KB 438KB [ 86.934201] tcp_bind_bucket 0KB 4KB [ 86.939705] ip_fib_trie 2KB 3KB [ 86.945071] ip_fib_alias 9KB 11KB [ 86.950485] ip_dst_cache 3KB 8KB [ 86.955848] RAW 11KB 14KB [ 86.961258] UDP 34KB 39KB [ 86.966633] TCP 5KB 5KB [ 86.972015] hugetlbfs_inode_cache 2KB 7KB [ 86.977752] fscache_cookie_jar 1KB 7KB [ 86.983257] eventpoll_pwq 11KB 15KB [ 86.988697] eventpoll_epi 20KB 23KB [ 86.994070] inotify_inode_mark 6KB 11KB [ 86.999570] request_queue 164KB 164KB [ 87.004942] blkdev_ioc 25KB 30KB [ 87.010351] bio-0 450KB 450KB [ 87.015713] biovec-max 1278KB 1278KB [ 87.021131] biovec-64 261KB 267KB [ 87.026492] biovec-16 23KB 30KB [ 87.032835] bio_integrity_payload 1KB 3KB [ 87.038706] khugepaged_mm_slot 0KB 3KB [ 87.044175] uid_cache 1KB 4KB [ 87.049577] dmaengine-unmap-256 2KB 6KB [ 87.055108] dmaengine-unmap-128 1KB 3KB [ 87.064497] dmaengine-unmap-16 0KB 4KB [ 87.070017] dmaengine-unmap-2 0KB 3KB [ 87.075395] audit_buffer 0KB 3KB [ 87.080809] skbuff_fclone_cache 115KB 120KB [ 87.086348] skbuff_head_cache 1616KB 1616KB [ 87.091731] configfs_dir_cache 0KB 4KB [ 87.097168] file_lock_cache 163KB 166KB [ 87.102546] file_lock_ctx 1KB 3KB [ 87.107896] fsnotify_mark_connector 3KB 7KB [ 87.113825] net_namespace 8KB 8KB [ 87.119254] shmem_inode_cache 3736KB 3759KB [ 87.124623] task_delay_info 391KB 417KB [ 87.130006] taskstats 1KB 3KB [ 87.135357] proc_dir_entry 321KB 326KB [ 87.140733] pde_opener 19KB 27KB [ 87.146083] seq_file 203KB 763KB [ 87.151476] sigqueue 189KB 212KB [ 87.156833] kernfs_node_cache 7533KB 7536KB [ 87.163179] mnt_cache 30KB 32KB [ 87.168585] filp 7226KB 7848KB [ 87.173936] names_cache 92373KB 92412KB [ 87.180344] iint_cache 73KB 75KB [ 87.185719] key_jar 3KB 7KB [ 87.191736] uts_namespace 0KB 3KB [ 87.197093] nsproxy 0KB 3KB [ 87.202605] vm_area_struct 18238KB 18926KB [ 87.207959] mm_struct 4894KB 5252KB [ 87.216258] fs_cache 458KB 488KB [ 87.221682] files_cache 1759KB 1811KB [ 87.227051] signal_cache 2751KB 2954KB [ 87.232456] sighand_cache 321KB 492KB [ 87.237830] task_struct 11168KB 11224KB [ 87.243707] cred_jar 2471KB 2596KB [ 87.249128] anon_vma_chain 8584KB 9359KB [ 87.254488] anon_vma 120KB 319KB [ 87.263914] pid 238KB 320KB [ 87.272594] Acpi-Operand 106KB 162KB [ 87.277969] Acpi-Namespace 19KB 23KB [ 87.283830] numa_policy 0KB 3KB [ 87.291840] debug_objects_cache 813KB 850KB [ 87.297380] trace_event_file 260KB 262KB [ 87.302760] ftrace_event_field 376KB 381KB [ 87.308196] pool_workqueue 56KB 56KB [ 87.313708] task_group 0KB 3KB [ 87.319198] page->ptl 3080KB 3407KB [ 87.324605] kmalloc-2M 2050KB 2050KB [ 87.330018] kmalloc-512k 2056KB 2056KB [ 87.335403] kmalloc-256k 1290KB 1290KB [ 87.340822] kmalloc-128k 650KB 650KB [ 87.346190] kmalloc-64k 330KB 330KB [ 87.351608] kmalloc-32k 16104KB 16104KB [ 87.356980] kmalloc-16k 1485KB 1485KB [ 87.362400] kmalloc-8k 915KB 915KB [ 87.367787] kmalloc-4k 7590KB 7628KB [ 87.373197] kmalloc-2k 7316KB 7318KB [ 87.378620] kmalloc-1k 3638KB 3638KB [ 87.383990] kmalloc-512 3538KB 3663KB [ 87.389403] kmalloc-256 1485KB 1492KB [ 87.394765] kmalloc-128 561KB 567KB [ 87.400163] kmalloc-96 1925KB 2440KB [ 87.405512] kmalloc-64 725KB 728KB [ 87.410913] kmalloc-32 987KB 1645KB [ 87.416275] kmalloc-192 440KB 924KB [ 87.422613] kmem_cache 171KB 176KB [ 87.427994] Out of memory: Kill process 5678 (syz-execprog) score 1 or sacrifice child [ 87.436201] Killed process 5678 (syz-execprog) total-vm:39188kB, anon-rss:6788kB, file-rss:0kB, shmem-rss:0kB [ 87.450161] syz-execprog (5682) used greatest stack depth: 11144 bytes left [ 87.457033] oom_reaper: reaped process 5678 (syz-execprog), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 87.480842] syz-execprog (5680) used greatest stack depth: 10360 bytes left [ 87.546773] syz-executor0 invoked oom-killer: gfp_mask=0x6082c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=1000 [ 87.561439] syz-executor0 cpuset=syz0 mems_allowed=0 [ 87.566707] CPU: 0 PID: 5948 Comm: syz-executor0 Not tainted 4.19.0+ #317 [ 87.573621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.582964] Call Trace: [ 87.585567] dump_stack+0x244/0x39d [ 87.589200] ? dump_stack_print_info.cold.1+0x20/0x20 [ 87.594379] ? mark_held_locks+0x130/0x130 [ 87.598599] ? mark_held_locks+0x130/0x130 [ 87.602822] dump_header+0x27b/0xf72 [ 87.606523] ? pagefault_out_of_memory+0x197/0x197 [ 87.611442] ? __lock_acquire+0x62f/0x4c20 [ 87.615665] ? percpu_ref_get_many+0x240/0x240 [ 87.620235] ? print_usage_bug+0xc0/0xc0 [ 87.624283] ? zap_class+0x640/0x640 [ 87.627983] ? print_usage_bug+0xc0/0xc0 [ 87.632027] ? print_usage_bug+0xc0/0xc0 [ 87.636082] ? zap_class+0x640/0x640 [ 87.639824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.645350] ? find_held_lock+0x36/0x1c0 [ 87.649403] ? mark_held_locks+0xc7/0x130 [ 87.653539] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 87.658627] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 87.663714] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 87.668285] ? trace_hardirqs_on+0xbd/0x310 [ 87.672592] ? kasan_check_read+0x11/0x20 [ 87.676744] ? ___ratelimit+0x3b4/0x672 [ 87.680707] ? trace_hardirqs_off_caller+0x310/0x310 [ 87.685795] ? trace_hardirqs_on+0x310/0x310 [ 87.690192] ? lock_downgrade+0x900/0x900 [ 87.694330] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 87.699417] ? ___ratelimit+0x3b9/0x672 [ 87.703376] ? idr_get_free+0xf70/0xf70 [ 87.707338] ? find_held_lock+0x36/0x1c0 [ 87.711399] oom_kill_process.cold.27+0x10/0x903 [ 87.716148] ? zap_class+0x640/0x640 [ 87.719855] ? check_preemption_disabled+0x48/0x280 [ 87.724861] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 87.729792] ? kasan_check_read+0x11/0x20 [ 87.733924] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 87.739191] ? oom_evaluate_task+0x540/0x540 [ 87.743587] ? find_held_lock+0x36/0x1c0 [ 87.747638] ? out_of_memory+0x974/0x1430 [ 87.751775] ? lock_downgrade+0x900/0x900 [ 87.755910] ? check_preemption_disabled+0x48/0x280 [ 87.760914] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 87.765830] ? kasan_check_read+0x11/0x20 [ 87.769965] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 87.775228] ? rcu_softirq_qs+0x20/0x20 [ 87.779198] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 87.784722] ? oom_evaluate_task+0x302/0x540 [ 87.789124] out_of_memory+0xa84/0x1430 [ 87.793089] ? oom_killer_disable+0x3a0/0x3a0 [ 87.797598] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 87.802521] ? __ww_mutex_check_waiters+0x160/0x160 [ 87.807529] __alloc_pages_slowpath+0x2354/0x2e10 [ 87.812371] ? warn_alloc+0x120/0x120 [ 87.816161] ? mark_held_locks+0x130/0x130 [ 87.820391] ? __schedule+0x8d7/0x21d0 [ 87.824267] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 87.829793] ? __sched_text_start+0x8/0x8 [ 87.833934] ? mark_held_locks+0xc7/0x130 [ 87.838073] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.842825] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 87.847398] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 87.852922] ? should_fail+0x22d/0xd01 [ 87.856818] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 87.861913] ? zap_class+0x640/0x640 [ 87.865634] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.870384] ? __lock_is_held+0xb5/0x140 [ 87.874435] ? check_preemption_disabled+0x48/0x280 [ 87.879439] ? lock_release+0xa00/0xa00 [ 87.883398] ? perf_trace_sched_process_exec+0x860/0x860 [ 87.888838] ? __lock_is_held+0xb5/0x140 [ 87.892887] ? __might_sleep+0x95/0x190 [ 87.896865] __alloc_pages_nodemask+0xa80/0xde0 [ 87.901522] ? trace_hardirqs_on_caller+0xc0/0x310 [ 87.906438] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 87.911440] ? zap_class+0x640/0x640 [ 87.915138] ? retint_kernel+0x1b/0x2d [ 87.919014] ? trace_hardirqs_on+0x310/0x310 [ 87.923412] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 87.928157] ? __lock_is_held+0xb5/0x140 [ 87.932212] ? __sanitizer_cov_trace_pc+0x18/0x50 [ 87.937047] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 87.942576] alloc_pages_current+0x173/0x350 [ 87.946978] __vmalloc_node_range+0x498/0x750 [ 87.951465] ? vb2_vmalloc_alloc+0x123/0x380 [ 87.955858] vmalloc_user+0x75/0x170 [ 87.959559] ? vb2_vmalloc_alloc+0x123/0x380 [ 87.963953] vb2_vmalloc_alloc+0x123/0x380 [ 87.968191] ? vb2_vmalloc_attach_dmabuf+0x150/0x150 [ 87.973283] ? __vb2_queue_alloc+0xf7/0xf90 [ 87.977592] ? vb2_vmalloc_attach_dmabuf+0x150/0x150 [ 87.982682] __vb2_queue_alloc+0x5e1/0xf90 [ 87.986914] ? vicodec_try_decoder_cmd+0x120/0x120 [ 87.991830] vb2_core_create_bufs+0x401/0x8c0 [ 87.996325] ? __vb2_queue_alloc+0xf90/0xf90 [ 88.000721] ? unwind_get_return_address+0x61/0xa0 [ 88.005640] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 88.010745] ? v4l2_prio_open+0x140/0x140 [ 88.014881] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 88.020407] vb2_create_bufs+0x3c6/0x7f0 [ 88.024452] ? video_ioctl2+0x2c/0x33 [ 88.028239] ? vb2_request_queue+0x120/0x120 [ 88.032633] ? v4l2_prio_open+0x140/0x140 [ 88.036772] ? find_held_lock+0x36/0x1c0 [ 88.040823] v4l2_m2m_create_bufs+0x7c/0xe0 [ 88.045131] v4l2_m2m_ioctl_create_bufs+0x6b/0x80 [ 88.049960] v4l_create_bufs+0x152/0x230 [ 88.054006] __video_do_ioctl+0x8b1/0x1050 [ 88.058228] ? v4l_s_fmt+0x990/0x990 [ 88.061932] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 88.067459] video_usercopy+0x5c1/0x1760 [ 88.071504] ? v4l_s_fmt+0x990/0x990 [ 88.075206] ? v4l_enumstd+0x70/0x70 [ 88.078905] ? rcu_softirq_qs+0x20/0x20 [ 88.082871] ? find_held_lock+0x36/0x1c0 [ 88.086928] ? __fget+0x4aa/0x740 [ 88.090368] ? lock_downgrade+0x900/0x900 [ 88.094501] ? check_preemption_disabled+0x48/0x280 [ 88.099506] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 88.104422] ? kasan_check_read+0x11/0x20 [ 88.108563] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 88.113823] ? rcu_softirq_qs+0x20/0x20 [ 88.117787] ? __fget+0x4d1/0x740 [ 88.121229] ? ksys_dup3+0x680/0x680 [ 88.124928] ? __might_fault+0x12b/0x1e0 [ 88.128982] ? video_usercopy+0x1760/0x1760 [ 88.133285] video_ioctl2+0x2c/0x33 [ 88.136898] v4l2_ioctl+0x154/0x1b0 [ 88.140509] ? video_devdata+0xa0/0xa0 [ 88.144381] do_vfs_ioctl+0x1de/0x1790 [ 88.148254] ? ioctl_preallocate+0x300/0x300 [ 88.152656] ? __fget_light+0x2e9/0x430 [ 88.156614] ? fget_raw+0x20/0x20 [ 88.160059] ? _copy_to_user+0xc8/0x110 [ 88.164039] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 88.169572] ? put_timespec64+0x10f/0x1b0 [ 88.173709] ? nsecs_to_jiffies+0x30/0x30 [ 88.177841] ? do_syscall_64+0x9a/0x820 [ 88.181801] ? do_syscall_64+0x9a/0x820 [ 88.185766] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 88.190336] ? security_file_ioctl+0x94/0xc0 [ 88.194734] ksys_ioctl+0xa9/0xd0 [ 88.198175] __x64_sys_ioctl+0x73/0xb0 [ 88.202058] do_syscall_64+0x1b9/0x820 [ 88.205933] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 88.211285] ? syscall_return_slowpath+0x5e0/0x5e0 [ 88.216212] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 88.221048] ? trace_hardirqs_on_caller+0x310/0x310 [ 88.226057] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 88.231065] ? prepare_exit_to_usermode+0x291/0x3b0 [ 88.236072] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 88.240919] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.246091] RIP: 0033:0x457569 [ 88.249284] Code: Bad RIP value. [ 88.252632] RSP: 002b:00007fd32ced5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 88.260320] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 [ 88.267808] RDX: 0000000020000140 RSI: 00000000c100565c RDI: 0000000000000003 [ 88.275067] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 88.282321] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd32ced66d4 [ 88.289575] R13: 00000000004c181b R14: 00000000004d26f8 R15: 00000000ffffffff [ 88.297837] Mem-Info: [ 88.300353] active_anon:1753 inactive_anon:131 isolated_anon:0 [ 88.300353] active_file:45 inactive_file:33 isolated_file:0 [ 88.300353] unevictable:0 dirty:59 writeback:0 unstable:0 [ 88.300353] slab_reclaimable:11343 slab_unreclaimable:89002 [ 88.300353] mapped:2 shmem:138 pagetables:273 bounce:0 [ 88.300353] free:15706 free_pcp:62 free_cma:0 [ 88.332921] Node 0 active_anon:7012kB inactive_anon:524kB active_file:180kB inactive_file:132kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:236kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 88.359748] 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 [ 88.386001] lowmem_reserve[]: 0 2818 6321 6321 [ 88.390662] Node 0 DMA32 free:28876kB 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:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 88.417878] lowmem_reserve[]: 0 0 3503 3503 [ 88.422255] Node 0 Normal free:18240kB min:37364kB low:46704kB high:56044kB active_anon:7012kB inactive_anon:524kB active_file:104kB inactive_file:240kB unevictable:0kB writepending:236kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:4480kB pagetables:1092kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 88.451055] lowmem_reserve[]: 0 0 0 0 [ 88.454878] 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 [ 88.468612] Node 0 DMA32: 3*4kB (UM) 2*8kB (UM) 1*16kB (M) 3*32kB (M) 3*64kB (M) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 4*4096kB (M) = 28876kB [ 88.483950] Node 0 Normal: 688*4kB (ME) 448*8kB (M) 209*16kB (UMEH) 89*32kB (UME) 40*64kB (UME) 7*128kB (M) 3*256kB (UMH) 3*512kB (UH) 0*1024kB 0*2048kB 0*4096kB = 18288kB [ 88.499487] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 88.508326] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 88.516971] 231 total pagecache pages [ 88.520831] 0 pages in swap cache [ 88.524295] Swap cache stats: add 0, delete 0, find 0/0 [ 88.529681] Free swap = 0kB [ 88.532684] Total swap = 0kB [ 88.535700] 1965979 pages RAM [ 88.538839] 0 pages HighMem/MovableOnly [ 88.542814] 342855 pages reserved [ 88.546276] 0 pages cma reserved [ 88.549872] Unreclaimable slab info: [ 88.553992] Name Used Total [ 88.559621] pid_2 32KB 36KB [ 88.565010] TIPC 2KB 7KB [ 88.570422] SCTPv6 4KB 6KB [ 88.575788] DCCPv6 4KB 7KB [ 88.581170] DCCP 4KB 6KB [ 88.586531] bridge_fdb_cache 2KB 7KB [ 88.591942] fib6_nodes 14KB 16KB [ 88.597306] ip6_dst_cache 63KB 63KB [ 88.602727] RAWv6 19KB 19KB [ 88.608105] UDPv6 14KB 14KB [ 88.613500] TCPv6 8KB 11KB [ 88.618915] nf_conntrack 3KB 7KB [ 88.624293] sd_ext_cdb 0KB 3KB [ 88.629699] scsi_sense_cache 1056KB 1060KB [ 88.635066] virtio_scsi_cmd 16KB 16KB [ 88.640532] sgpool-128 8KB 8KB [ 88.645879] sgpool-64 4KB 6KB [ 88.651283] sgpool-32 2KB 7KB [ 88.656657] sgpool-16 1KB 3KB [ 88.662078] sgpool-8 0KB 3KB [ 88.667442] mqueue_inode_cache 2KB 7KB [ 88.672909] bio_post_read_ctx 14KB 15KB [ 88.678275] bio-2 14KB 19KB [ 88.683688] jfs_mp 7KB 7KB [ 88.689138] nfs_commit_data 3KB 7KB [ 88.694501] nfs_write_data 32KB 32KB [ 88.699923] ext4_system_zone 0KB 3KB [ 88.705307] bio-1 1KB 3KB [ 88.710698] pid_namespace 0KB 3KB [ 88.716059] rpc_buffers 17KB 19KB [ 88.721464] rpc_tasks 2KB 3KB [ 88.726829] UNIX 433KB 438KB [ 88.732236] tcp_bind_bucket 0KB 4KB [ 88.737602] ip_fib_trie 2KB 3KB [ 88.742999] ip_fib_alias 9KB 11KB [ 88.748348] ip_dst_cache 3KB 8KB [ 88.753754] RAW 11KB 14KB [ 88.759177] UDP 34KB 39KB [ 88.764548] TCP 5KB 5KB [ 88.769940] hugetlbfs_inode_cache 2KB 7KB [ 88.775636] fscache_cookie_jar 1KB 7KB [ 88.781141] eventpoll_pwq 10KB 15KB [ 88.786513] eventpoll_epi 19KB 23KB [ 88.791933] inotify_inode_mark 6KB 11KB [ 88.797387] request_queue 164KB 164KB [ 88.802775] blkdev_ioc 25KB 30KB [ 88.808125] bio-0 450KB 450KB [ 88.813553] biovec-max 1278KB 1278KB [ 88.818978] biovec-64 261KB 267KB [ 88.824347] biovec-16 22KB 30KB [ 88.829800] bio_integrity_payload 1KB 3KB [ 88.835507] khugepaged_mm_slot 0KB 3KB [ 88.841006] uid_cache 1KB 4KB [ 88.846413] dmaengine-unmap-256 2KB 6KB [ 88.851996] dmaengine-unmap-128 1KB 3KB [ 88.857535] dmaengine-unmap-16 0KB 4KB [ 88.863034] dmaengine-unmap-2 0KB 3KB [ 88.868408] audit_buffer 0KB 3KB [ 88.873819] skbuff_fclone_cache 115KB 120KB [ 88.879413] skbuff_head_cache 1615KB 1616KB [ 88.884776] configfs_dir_cache 0KB 4KB [ 88.890270] file_lock_cache 163KB 166KB [ 88.895634] file_lock_ctx 1KB 3KB [ 88.901038] fsnotify_mark_connector 3KB 7KB [ 88.906931] net_namespace 8KB 8KB [ 88.912332] shmem_inode_cache 3734KB 3759KB [ 88.917706] task_delay_info 366KB 417KB [ 88.923107] taskstats 3KB 3KB [ 88.928459] proc_dir_entry 320KB 326KB [ 88.933865] pde_opener 17KB 27KB [ 88.939314] seq_file 184KB 716KB [ 88.944677] sigqueue 187KB 212KB [ 88.950247] kernfs_node_cache 7533KB 7536KB [ 88.955614] mnt_cache 30KB 32KB [ 88.961069] filp 7185KB 7826KB [ 88.966450] names_cache 92365KB 92395KB [ 88.971882] iint_cache 73KB 75KB [ 88.977244] key_jar 3KB 7KB [ 88.982704] uts_namespace 0KB 3KB [ 88.988059] nsproxy 0KB 3KB [ 88.993501] vm_area_struct 18221KB 18918KB [ 88.998967] mm_struct 4845KB 5226KB [ 89.004331] fs_cache 425KB 488KB [ 89.009749] files_cache 1697KB 1811KB [ 89.015200] signal_cache 2708KB 2954KB [ 89.020618] sighand_cache 321KB 492KB [ 89.025983] task_struct 11143KB 11199KB [ 89.031392] cred_jar 2441KB 2596KB [ 89.036754] anon_vma_chain 8568KB 9335KB [ 89.042169] anon_vma 114KB 319KB [ 89.047536] pid 223KB 320KB [ 89.052958] Acpi-Operand 106KB 162KB [ 89.058323] Acpi-Namespace 19KB 23KB [ 89.063728] numa_policy 0KB 3KB [ 89.069162] debug_objects_cache 810KB 850KB [ 89.074697] trace_event_file 260KB 262KB [ 89.080125] ftrace_event_field 376KB 381KB [ 89.085593] pool_workqueue 56KB 56KB [ 89.090983] task_group 0KB 3KB [ 89.096333] page->ptl 3067KB 3403KB [ 89.101775] kmalloc-2M 2050KB 2050KB [ 89.107152] kmalloc-512k 2056KB 2056KB [ 89.112562] kmalloc-256k 1290KB 1290KB [ 89.117911] kmalloc-128k 650KB 650KB [ 89.123316] kmalloc-64k 330KB 330KB [ 89.128731] kmalloc-32k 16104KB 16104KB [ 89.134105] kmalloc-16k 1485KB 1485KB [ 89.139500] kmalloc-8k 915KB 915KB [ 89.144850] kmalloc-4k 7582KB 7611KB [ 89.150229] kmalloc-2k 7314KB 7318KB [ 89.155575] kmalloc-1k 3632KB 3638KB [ 89.160986] kmalloc-512 3531KB 3663KB [ 89.166360] kmalloc-256 1480KB 1492KB [ 89.171809] kmalloc-128 559KB 567KB [ 89.177165] kmalloc-96 1910KB 2440KB [ 89.182566] kmalloc-64 724KB 728KB [ 89.187927] kmalloc-32 985KB 1645KB [ 89.193396] kmalloc-192 439KB 924KB [ 89.198815] kmem_cache 171KB 176KB [ 89.204182] Out of memory: Kill process 5410 (dhclient) score 0 or sacrifice child [ 89.213205] Killed process 5410 (dhclient) total-vm:9972kB, anon-rss:2296kB, file-rss:4kB, shmem-rss:0kB [ 89.223652] syz-executor0: vmalloc: allocation failure, allocated 253038592 of 288608256 bytes, mode:0x6080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) [ 89.226605] oom_reaper: reaped process 5410 (dhclient), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 89.237422] syz-executor0 cpuset=syz0 mems_allowed=0 [ 89.252350] CPU: 0 PID: 5948 Comm: syz-executor0 Not tainted 4.19.0+ #317 [ 89.259286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.261540] init invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 89.268643] Call Trace: [ 89.268698] dump_stack+0x244/0x39d [ 89.281286] init cpuset=/ mems_allowed=0 [ 89.282196] ? dump_stack_print_info.cold.1+0x20/0x20 [ 89.295063] ? trace_hardirqs_on+0x310/0x310 [ 89.299496] warn_alloc.cold.116+0xb7/0x1bd [ 89.303823] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 89.308674] ? __lock_is_held+0xb5/0x140 [ 89.312766] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 89.318324] __vmalloc_node_range+0x522/0x750 [ 89.322842] ? vb2_vmalloc_alloc+0x123/0x380 [ 89.327259] vmalloc_user+0x75/0x170 [ 89.330985] ? vb2_vmalloc_alloc+0x123/0x380 [ 89.335403] vb2_vmalloc_alloc+0x123/0x380 [ 89.339650] ? vb2_vmalloc_attach_dmabuf+0x150/0x150 [ 89.344767] ? __vb2_queue_alloc+0xf7/0xf90 [ 89.349106] ? vb2_vmalloc_attach_dmabuf+0x150/0x150 [ 89.354219] __vb2_queue_alloc+0x5e1/0xf90 [ 89.358486] ? vicodec_try_decoder_cmd+0x120/0x120 [ 89.363425] vb2_core_create_bufs+0x401/0x8c0 [ 89.367936] ? __vb2_queue_alloc+0xf90/0xf90 [ 89.372358] ? unwind_get_return_address+0x61/0xa0 [ 89.377308] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 89.382421] ? v4l2_prio_open+0x140/0x140 [ 89.386584] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 89.392141] vb2_create_bufs+0x3c6/0x7f0 [ 89.396220] ? video_ioctl2+0x2c/0x33 [ 89.400037] ? vb2_request_queue+0x120/0x120 [ 89.404461] ? v4l2_prio_open+0x140/0x140 [ 89.408623] ? find_held_lock+0x36/0x1c0 [ 89.412698] v4l2_m2m_create_bufs+0x7c/0xe0 [ 89.417035] v4l2_m2m_ioctl_create_bufs+0x6b/0x80 [ 89.421898] v4l_create_bufs+0x152/0x230 [ 89.425972] __video_do_ioctl+0x8b1/0x1050 [ 89.430228] ? v4l_s_fmt+0x990/0x990 [ 89.433975] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 89.439531] video_usercopy+0x5c1/0x1760 [ 89.443604] ? v4l_s_fmt+0x990/0x990 [ 89.447336] ? v4l_enumstd+0x70/0x70 [ 89.451070] ? rcu_softirq_qs+0x20/0x20 [ 89.455082] ? find_held_lock+0x36/0x1c0 [ 89.459162] ? __fget+0x4aa/0x740 [ 89.462628] ? lock_downgrade+0x900/0x900 [ 89.466785] ? check_preemption_disabled+0x48/0x280 [ 89.471812] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 89.476751] ? kasan_check_read+0x11/0x20 [ 89.480910] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 89.486193] ? rcu_softirq_qs+0x20/0x20 [ 89.490189] ? __fget+0x4d1/0x740 [ 89.493658] ? ksys_dup3+0x680/0x680 [ 89.497381] ? __might_fault+0x12b/0x1e0 [ 89.501452] ? video_usercopy+0x1760/0x1760 [ 89.505779] video_ioctl2+0x2c/0x33 [ 89.509416] v4l2_ioctl+0x154/0x1b0 [ 89.513057] ? video_devdata+0xa0/0xa0 [ 89.516953] do_vfs_ioctl+0x1de/0x1790 [ 89.520859] ? ioctl_preallocate+0x300/0x300 [ 89.525277] ? __fget_light+0x2e9/0x430 [ 89.529260] ? fget_raw+0x20/0x20 [ 89.532720] ? _copy_to_user+0xc8/0x110 [ 89.536707] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 89.542259] ? put_timespec64+0x10f/0x1b0 [ 89.546414] ? nsecs_to_jiffies+0x30/0x30 [ 89.550572] ? do_syscall_64+0x9a/0x820 [ 89.554551] ? do_syscall_64+0x9a/0x820 [ 89.558535] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 89.563131] ? security_file_ioctl+0x94/0xc0 [ 89.567550] ksys_ioctl+0xa9/0xd0 [ 89.571018] __x64_sys_ioctl+0x73/0xb0 [ 89.574923] do_syscall_64+0x1b9/0x820 [ 89.578820] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 89.584191] ? syscall_return_slowpath+0x5e0/0x5e0 [ 89.589132] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 89.593985] ? trace_hardirqs_on_caller+0x310/0x310 [ 89.599011] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 89.604052] ? prepare_exit_to_usermode+0x291/0x3b0 [ 89.609093] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 89.613959] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.619154] RIP: 0033:0x457569 [ 89.622365] Code: Bad RIP value. [ 89.625729] RSP: 002b:00007fd32ced5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 89.633446] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 [ 89.640721] RDX: 0000000020000140 RSI: 00000000c100565c RDI: 0000000000000003 [ 89.647995] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 89.655264] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd32ced66d4 [ 89.662537] R13: 00000000004c181b R14: 00000000004d26f8 R15: 00000000ffffffff [ 89.669837] CPU: 1 PID: 1 Comm: init Not tainted 4.19.0+ #317 [ 89.670795] Mem-Info: [ 89.675727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.675737] Call Trace: [ 89.678164] active_anon:1203 inactive_anon:131 isolated_anon:0 [ 89.678164] active_file:64 inactive_file:39 isolated_file:0 [ 89.678164] unevictable:0 dirty:59 writeback:0 unstable:0 [ 89.678164] slab_reclaimable:11342 slab_unreclaimable:88999 [ 89.678164] mapped:2 shmem:138 pagetables:273 bounce:0 [ 89.678164] free:16007 free_pcp:339 free_cma:0 [ 89.687496] dump_stack+0x244/0x39d [ 89.687516] ? dump_stack_print_info.cold.1+0x20/0x20 [ 89.687538] ? mark_held_locks+0x130/0x130 [ 89.687556] ? mark_held_locks+0x130/0x130 [ 89.690189] Node 0 active_anon:4812kB inactive_anon:524kB active_file:256kB inactive_file:156kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:236kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 89.722626] dump_header+0x27b/0xf72 [ 89.722652] ? pagefault_out_of_memory+0x197/0x197 [ 89.722674] ? __lock_acquire+0x62f/0x4c20 [ 89.722698] ? percpu_ref_get_many+0x240/0x240 [ 89.726311] 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 [ 89.731499] ? print_usage_bug+0xc0/0xc0 [ 89.731520] ? zap_class+0x640/0x640 [ 89.731541] ? print_usage_bug+0xc0/0xc0 [ 89.735761] lowmem_reserve[]: 0 2818 6321 6321 [ 89.739990] ? print_usage_bug+0xc0/0xc0 [ 89.740007] ? zap_class+0x640/0x640 [ 89.740027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.740056] ? find_held_lock+0x36/0x1c0 [ 89.767063] Node 0 DMA32 free:28876kB 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:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 89.770638] ? mark_held_locks+0xc7/0x130 [ 89.770661] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 89.770680] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 89.775589] lowmem_reserve[]: 0 0 3503 3503 [ 89.779824] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 89.779843] ? trace_hardirqs_on+0xbd/0x310 [ 89.779860] ? kasan_check_read+0x11/0x20 [ 89.779877] ? ___ratelimit+0x3b4/0x672 [ 89.784441] Node 0 Normal free:19244kB min:37364kB low:46704kB high:56044kB active_anon:4812kB inactive_anon:524kB active_file:256kB inactive_file:156kB unevictable:0kB writepending:236kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:4480kB pagetables:1092kB bounce:0kB free_pcp:1356kB local_pcp:8kB free_cma:0kB [ 89.810568] ? trace_hardirqs_off_caller+0x310/0x310 [ 89.810584] ? trace_hardirqs_on+0x310/0x310 [ 89.810607] ? lock_downgrade+0x900/0x900 [ 89.810629] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 89.810644] ? ___ratelimit+0x3b9/0x672 [ 89.810661] ? idr_get_free+0xf70/0xf70 [ 89.814717] lowmem_reserve[]: 0 0 0 0 [ 89.818435] ? find_held_lock+0x36/0x1c0 [ 89.822515] 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 [ 89.827062] oom_kill_process.cold.27+0x10/0x903 [ 89.831135] Node 0 DMA32: 3*4kB (UM) 2*8kB (UM) 1*16kB (M) 3*32kB (M) 3*64kB (M) 5*128kB (UM) 3*256kB (M) 3*512kB (M) 3*1024kB (UM) 3*2048kB (UM) 4*4096kB (M) = 28876kB [ 89.834811] ? zap_class+0x640/0x640 [ 89.840385] Node 0 Normal: 652*4kB (UME) 472*8kB (UM) 238*16kB (MEH) 101*32kB (UME) 40*64kB (UME) 8*128kB (M) 3*256kB (UMH) 3*512kB (UH) 0*1024kB 0*2048kB 0*4096kB = 19312kB [ 89.844397] ? check_preemption_disabled+0x48/0x280 [ 89.871699] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 89.875781] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 89.880906] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 89.886058] ? kasan_check_read+0x11/0x20 [ 89.890389] 231 total pagecache pages [ 89.894931] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 89.899276] 0 pages in swap cache [ 89.903375] ? oom_evaluate_task+0x540/0x540 [ 89.907334] Swap cache stats: add 0, delete 0, find 0/0 [ 89.936314] ? find_held_lock+0x36/0x1c0 [ 89.936337] ? out_of_memory+0x974/0x1430 [ 89.936353] ? lock_downgrade+0x900/0x900 [ 89.936371] ? check_preemption_disabled+0x48/0x280 [ 89.936389] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 89.941534] Free swap = 0kB [ 89.945892] ? kasan_check_read+0x11/0x20 [ 89.950059] Total swap = 0kB [ 89.955120] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 89.959121] 1965979 pages RAM [ 89.963057] ? rcu_softirq_qs+0x20/0x20 [ 89.966838] 0 pages HighMem/MovableOnly [ 89.970894] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 89.970908] ? oom_evaluate_task+0x302/0x540 [ 89.970932] out_of_memory+0xa84/0x1430 [ 89.984475] 342855 pages reserved [ 89.989198] ? oom_killer_disable+0x3a0/0x3a0 [ 89.989215] ? __alloc_pages_slowpath+0xf28/0x2e10 [ 89.989237] ? __ww_mutex_check_waiters+0x160/0x160 [ 90.004430] 0 pages cma reserved [ 90.008115] __alloc_pages_slowpath+0x2354/0x2e10 [ 90.166268] ? warn_alloc+0x120/0x120 [ 90.170081] ? mark_held_locks+0x130/0x130 [ 90.174332] ? find_get_entry+0xaae/0x1120 [ 90.178576] ? filemap_map_pages+0x1a20/0x1a20 [ 90.183173] ? zap_class+0x640/0x640 [ 90.186898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.192444] ? check_preemption_disabled+0x48/0x280 [ 90.197467] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 90.203007] ? should_fail+0x22d/0xd01 [ 90.206899] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 90.212010] ? zap_class+0x640/0x640 [ 90.215757] ? __lock_is_held+0xb5/0x140 [ 90.219830] ? mark_held_locks+0x130/0x130 [ 90.224075] ? lock_release+0xa00/0xa00 [ 90.228063] ? perf_trace_sched_process_exec+0x860/0x860 [ 90.233535] ? xa_load+0x2ba/0x460 [ 90.237086] ? lock_downgrade+0x900/0x900 [ 90.241247] ? __might_sleep+0x95/0x190 [ 90.245233] __alloc_pages_nodemask+0xa80/0xde0 [ 90.249916] ? __alloc_pages_slowpath+0x2e10/0x2e10 [ 90.255404] ? __page_cache_alloc+0x191/0x5c0 [ 90.259901] ? xa_load+0x2e1/0x460 [ 90.263446] ? xa_clear_mark+0x40/0x40 [ 90.267338] ? zap_class+0x640/0x640 [ 90.271066] ? zap_class+0x640/0x640 [ 90.274781] ? zap_class+0x640/0x640 [ 90.278497] ? __do_page_cache_readahead+0x663/0x810 [ 90.283617] ? find_held_lock+0x36/0x1c0 [ 90.287690] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 90.293238] alloc_pages_current+0x173/0x350 [ 90.297655] __page_cache_alloc+0x38c/0x5c0 [ 90.301975] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 90.306907] ? kasan_check_read+0x11/0x20 [ 90.311070] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 90.316356] ? generic_perform_write+0x6a0/0x6a0 [ 90.321117] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 90.326659] ? check_preemption_disabled+0x48/0x280 [ 90.331685] filemap_fault+0x1595/0x25f0 [ 90.335763] ? __lock_page_or_retry+0xa00/0xa00 [ 90.340439] ? mark_held_locks+0x130/0x130 [ 90.344690] ? filemap_map_pages+0xd6b/0x1a20 [ 90.349196] ? lock_downgrade+0x900/0x900 [ 90.353351] ? check_preemption_disabled+0x48/0x280 [ 90.358373] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 90.363304] ? kasan_check_read+0x11/0x20 [ 90.367454] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 90.372730] ? rcu_softirq_qs+0x20/0x20 [ 90.376722] ? filemap_map_pages+0xd92/0x1a20 [ 90.381227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.386772] ? find_get_entries_tag+0x1400/0x1400 [ 90.391631] ? __lock_acquire+0x62f/0x4c20 [ 90.395879] ? lock_acquire+0x1ed/0x520 [ 90.399854] ? ext4_filemap_fault+0x7a/0xad [ 90.404185] ? lock_release+0xa00/0xa00 [ 90.408163] ? perf_trace_sched_process_exec+0x860/0x860 [ 90.413620] ? print_usage_bug+0xc0/0xc0 [ 90.417688] ? print_usage_bug+0xc0/0xc0 [ 90.421763] ? down_read+0x8d/0x120 [ 90.425390] ? ext4_filemap_fault+0x7a/0xad [ 90.429713] ? __down_interruptible+0x700/0x700 [ 90.434396] ext4_filemap_fault+0x82/0xad [ 90.438551] __do_fault+0x100/0x6b0 [ 90.442187] ? pmd_devmap_trans_unstable+0x220/0x220 [ 90.447295] ? mark_held_locks+0x130/0x130 [ 90.451542] ? mark_held_locks+0x130/0x130 [ 90.455778] ? find_held_lock+0x36/0x1c0 [ 90.459848] ? find_held_lock+0x36/0x1c0 [ 90.463915] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 90.469461] __handle_mm_fault+0x3ea6/0x5be0 [ 90.473872] ? poll_select_copy_remaining+0x18c/0x6a0 [ 90.479078] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 90.483932] ? __might_fault+0x12b/0x1e0 [ 90.488002] ? lock_downgrade+0x900/0x900 [ 90.492170] ? zap_class+0x640/0x640 [ 90.495883] ? zap_class+0x640/0x640 [ 90.499612] ? find_held_lock+0x36/0x1c0 [ 90.503685] ? handle_mm_fault+0x42a/0xc70 [ 90.507923] ? lock_downgrade+0x900/0x900 [ 90.512087] ? check_preemption_disabled+0x48/0x280 [ 90.517110] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 90.522051] ? kasan_check_read+0x11/0x20 [ 90.526201] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 90.531480] ? rcu_softirq_qs+0x20/0x20 [ 90.535457] ? trace_hardirqs_off_caller+0x310/0x310 [ 90.540568] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 90.546114] ? check_preemption_disabled+0x48/0x280 [ 90.551145] handle_mm_fault+0x54f/0xc70 [ 90.555215] ? __handle_mm_fault+0x5be0/0x5be0 [ 90.559808] ? find_vma+0x34/0x190 [ 90.563355] __do_page_fault+0x5e8/0xe60 [ 90.567421] ? trace_hardirqs_off+0xb8/0x310 [ 90.571843] do_page_fault+0xf2/0x7e0 [ 90.575680] ? vmalloc_sync_all+0x30/0x30 [ 90.579830] ? error_entry+0x70/0xd0 [ 90.583548] ? trace_hardirqs_off_caller+0xbb/0x310 [ 90.588573] ? trace_hardirqs_on_caller+0xc0/0x310 [ 90.593513] ? syscall_return_slowpath+0x5e0/0x5e0 [ 90.598442] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 90.603290] ? trace_hardirqs_on_caller+0x310/0x310 [ 90.608306] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 90.613759] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 90.618781] ? prepare_exit_to_usermode+0x291/0x3b0 [ 90.623802] ? page_fault+0x8/0x30 [ 90.628215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 90.633073] ? page_fault+0x8/0x30 [ 90.636621] page_fault+0x1e/0x30 [ 90.640084] RIP: 0033:0x7f733c9a9dd3 [ 90.643810] Code: Bad RIP value. [ 90.647172] RSP: 002b:00007ffc6b8bcce8 EFLAGS: 00010246 [ 90.652536] RAX: 0000000000000000 RBX: 00007ffc6b8bce90 RCX: 00007f733c9a9dd3 [ 90.659803] RDX: 0000000000000000 RSI: 00007ffc6b8bd040 RDI: 000000000000000b [ 90.667076] RBP: 00007ffc6b8bd040 R08: 00007ffc6b8bd0c0 R09: 0000000000000001 [ 90.674345] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 90.681616] R13: 00007ffc6b8bd420 R14: 0000000000000000 R15: 0000000000000000 [ 90.698386] Mem-Info: [ 90.700902] active_anon:1179 inactive_anon:131 isolated_anon:0 [ 90.700902] active_file:46 inactive_file:39 isolated_file:0 [ 90.700902] unevictable:0 dirty:59 writeback:0 unstable:0 [ 90.700902] slab_reclaimable:11342 slab_unreclaimable:88994 [ 90.700902] mapped:2 shmem:138 pagetables:264 bounce:0 [ 90.700902] free:19074 free_pcp:655 free_cma:0 [ 90.736361] Node 0 active_anon:4716kB inactive_anon:524kB active_file:184kB inactive_file:156kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:236kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 90.771735] 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 [ 90.798850] lowmem_reserve[]: 0 2818 6321 6321 [ 90.803470] Node 0 DMA32 free:137732kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:400kB inactive_file:500kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:2212kB local_pcp:604kB free_cma:0kB [ 90.835180] lowmem_reserve[]: 0 0 3503 3503 [ 90.839589] Node 0 Normal free:95804kB min:37364kB low:46704kB high:56044kB active_anon:4716kB inactive_anon:524kB active_file:184kB inactive_file:1056kB unevictable:0kB writepending:88kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:4448k