[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [ 9.702314] random: sshd: uninitialized urandom read (32 bytes read) [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 20.501876] random: sshd: uninitialized urandom read (32 bytes read) [ 20.776154] random: sshd: uninitialized urandom read (32 bytes read) [ 20.943552] random: crng init done Warning: Permanently added '10.128.0.202' (ECDSA) to the list of known hosts. 2019/09/07 00:42:52 parsed 1 programs 2019/09/07 00:42:53 executed programs: 0 [ 44.497748] audit: type=1400 audit(1567816975.008:5): avc: denied { associate } for pid=2077 comm="syz-executor.5" name="syz5" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 46.294213] lowmemorykiller: Killing 'syz-executor.1' (2936) (tgid 2931), adj 1000, [ 46.294213] to free 1104kB on behalf of 'kswapd0' (33) because [ 46.294213] cache 54088kB is below limit 65536kB for oom_score_adj 12 [ 46.294213] Free memory is -11064kB above reserved [ 46.327635] lowmemorykiller: Killing 'syz-executor.1' (2936) (tgid 2931), adj 1000, [ 46.327635] to free 1104kB on behalf of 'kworker/u4:4' (2096) because [ 46.327635] cache 51788kB is below limit 65536kB for oom_score_adj 12 [ 46.327635] Free memory is -13380kB above reserved [ 47.521203] oom_reaper: reaped process 2992 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 47.531176] lowmemorykiller: Killing 'syz-executor.1' (2936) (tgid 2931), adj 1000, [ 47.531176] to free 140kB on behalf of 'syz-executor.0' (2940) because [ 47.531176] cache 248kB is below limit 6144kB for oom_score_adj 0 [ 47.531176] Free memory is -13344kB above reserved [ 47.592451] syz-executor.4 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 47.608550] kswapd0: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 47.608559] CPU: 1 PID: 33 Comm: kswapd0 Not tainted 4.9.141+ #1 [ 47.608573] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb ffff8801d8410000 [ 47.608583] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 47.608593] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 47.608595] Call Trace: [ 47.608611] [ 47.608612] [] dump_stack+0xc1/0x128 [ 47.608622] [] warn_alloc.cold.31+0x7f/0x9c [ 47.608631] [] ? zone_watermark_ok_safe+0x250/0x250 [ 47.608639] [] ? trace_hardirqs_on+0xd/0x10 [ 47.608648] [] ? get_page_from_freelist+0x23e/0x1d80 [ 47.608656] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 47.608663] [] ? mark_held_locks+0xc7/0x130 [ 47.608671] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 47.608684] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 47.608693] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 47.608702] [] ? ip6_forward_finish+0x4a0/0x4a0 [ 47.608709] [] ? trace_hardirqs_on+0x10/0x10 [ 47.608719] [] new_slab+0x367/0x3d0 [ 47.608727] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 47.608736] [] ? __alloc_skb+0xe6/0x5b0 [ 47.608743] [] ? trace_hardirqs_on+0x10/0x10 [ 47.608751] [] ? check_preemption_disabled+0x3b/0x200 [ 47.608759] [] ? __alloc_skb+0xe6/0x5b0 [ 47.608767] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 47.608774] [] ? __alloc_skb+0xe6/0x5b0 [ 47.608781] [] kmem_cache_alloc+0x212/0x2b0 [ 47.608788] [] ? mark_held_locks+0xc7/0x130 [ 47.608795] [] __alloc_skb+0xe6/0x5b0 [ 47.608803] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 47.608810] [] ? ipv6_get_ifaddr+0x300/0x510 [ 47.608816] [] ? trace_hardirqs_on+0xd/0x10 [ 47.608823] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 47.608832] [] ndisc_alloc_skb+0x144/0x330 [ 47.608840] [] ndisc_send_rs+0x2ff/0x670 [ 47.608846] [] ? __ipv6_get_lladdr+0x250/0x250 [ 47.608853] [] addrconf_rs_timer+0x27e/0x5a0 [ 47.608859] [] ? ipv6_get_lladdr+0x440/0x440 [ 47.608868] [] call_timer_fn+0x163/0x6e0 [ 47.608874] [] ? call_timer_fn+0xda/0x6e0 [ 47.608880] [] ? ipv6_get_lladdr+0x440/0x440 [ 47.608887] [] ? process_timeout+0x20/0x20 [ 47.608893] [] ? mark_held_locks+0xc7/0x130 [ 47.608901] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 47.608907] [] ? ipv6_get_lladdr+0x440/0x440 [ 47.608914] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 47.608921] [] ? ipv6_get_lladdr+0x440/0x440 [ 47.608927] [] expire_timers+0x234/0x580 [ 47.608934] [] ? collect_expired_timers+0x1d5/0x2b0 [ 47.608941] [] run_timer_softirq+0x208/0x5e0 [ 47.608947] [] ? expire_timers+0x580/0x580 [ 47.608954] [] ? check_preemption_disabled+0x3b/0x200 [ 47.608964] [] __do_softirq+0x20e/0x964 [ 47.608971] [] ? check_preemption_disabled+0x3b/0x200 [ 47.608978] [] irq_exit+0x11c/0x150 [ 47.608985] [] smp_apic_timer_interrupt+0x81/0xb0 [ 47.608992] [] apic_timer_interrupt+0x9d/0xb0 [ 47.609001] [ 47.609002] [] ? lock_acquire+0x6d/0x3e0 [ 47.609009] [] ? check_preemption_disabled+0x3b/0x200 [ 47.609016] [] ? wake_oom_reaper+0xf0/0xf0 [ 47.609026] [] _raw_spin_lock+0x36/0x50 [ 47.609033] [] ? find_lock_task_mm+0xf1/0x270 [ 47.609040] [] find_lock_task_mm+0xf1/0x270 [ 47.609047] [] ? wake_oom_reaper+0xf0/0xf0 [ 47.609054] [] lowmem_scan+0x34f/0xaf0 [ 47.609061] [] ? lowmem_scan+0x24e/0xaf0 [ 47.609067] [] ? check_preemption_disabled+0x3b/0x200 [ 47.609076] [] shrink_slab.part.8+0x3c6/0xa00 [ 47.609083] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.609091] [] ? unregister_shrinker+0x230/0x230 [ 47.609098] [] ? preempt_schedule+0x25/0x30 [ 47.609106] [] shrink_node+0x1ed/0x740 [ 47.609114] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 47.609121] [] kswapd+0x7e9/0x13b0 [ 47.609130] [] ? try_to_free_pages+0xb80/0xb80 [ 47.609136] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.609143] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 47.609151] [] ? autoremove_wake_function.part.0+0x130/0x130 [ 47.609158] [] ? __switch_to_asm+0x40/0x70 [ 47.609168] [] ? __kthread_parkme+0x175/0x240 [ 47.609174] [] kthread+0x26d/0x300 [ 47.609181] [] ? try_to_free_pages+0xb80/0xb80 [ 47.609188] [] ? kthread_park+0xa0/0xa0 [ 47.609195] [] ? __switch_to_asm+0x34/0x70 [ 47.609202] [] ? kthread_park+0xa0/0xa0 [ 47.609209] [] ? kthread_park+0xa0/0xa0 [ 47.609216] [] ret_from_fork+0x5c/0x70 [ 47.609219] Mem-Info: [ 47.609236] active_anon:5070 inactive_anon:41 isolated_anon:0 [ 47.609236] active_file:32 inactive_file:30 isolated_file:0 [ 47.609236] unevictable:0 dirty:0 writeback:0 unstable:0 [ 47.609236] slab_reclaimable:3896 slab_unreclaimable:58451 [ 47.609236] mapped:17 shmem:48 pagetables:443 bounce:0 [ 47.609236] free:1871 free_pcp:93 free_cma:0 [ 47.609248] Node 0 active_anon:20280kB inactive_anon:164kB active_file:128kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 47.609265] DMA32 free:7460kB min:4696kB low:7712kB high:10728kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:20kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:236kB local_pcp:100kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 47.609290] Normal free:24kB min:5580kB low:9168kB high:12756kB active_anon:20332kB inactive_anon:164kB active_file:128kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15584kB slab_unreclaimable:233784kB kernel_stack:4288kB pagetables:1772kB bounce:0kB free_pcp:136kB local_pcp:60kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 47.609344] DMA32: 5*4kB (UM) 2*8kB (M) 2*16kB (UM) 3*32kB (M) 2*64kB (M) 2*128kB (M) 3*256kB (M) 2*512kB (UM) 3*1024kB (UM) 1*2048kB (M) 0*4096kB = 7460kB Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 110 total pagecache pages [ 47.609376] 0 pages in swap cache [ 47.609380] Swap cache stats: add 0, delete 0, find 0/0 [ 47.609381] Free swap = 0kB [ 47.609383] Total swap = 0kB [ 47.609385] 1965979 pages RAM [ 47.609387] 0 pages HighMem/MovableOnly [ 47.609389] 313617 pages reserved [ 47.609430] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 47.609436] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 47.609440] node 0: slabs: 566, objs: 6792, free: 0 [ 47.609459] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 47.635591] syz-executor.4: vmalloc: allocation failure, allocated 485789696 of 4294860800 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 47.635600] CPU: 1 PID: 2992 Comm: syz-executor.4 Not tainted 4.9.141+ #1 [ 47.635616] ffff880145d1f9c0 ffffffff81b42e79 1ffff10028ba3f3a dffffc0000000000 [ 47.635626] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff880145d1fb08 [ 47.635635] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 47.635637] Call Trace: [ 47.635654] [] dump_stack+0xc1/0x128 [ 47.635664] [] warn_alloc.cold.31+0x7f/0x9c [ 47.635674] [] ? zone_watermark_ok_safe+0x250/0x250 [ 47.635683] [] __vmalloc_node_range+0x3f8/0x600 [ 47.635691] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.635698] [] vmalloc+0x5b/0x70 [ 47.635705] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.635711] [] xt_alloc_table_info+0xc9/0x100 [ 47.635721] [] do_ip6t_set_ctl+0x235/0x470 [ 47.635729] [] ? compat_do_ip6t_set_ctl+0x140/0x140 [ 47.635739] [] ? mutex_unlock+0x9/0x10 [ 47.635748] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 47.635755] [] nf_setsockopt+0x6d/0xc0 [ 47.635771] [] ipv6_setsockopt+0xc8/0x130 [ 47.635779] [] tcp_setsockopt+0x88/0xe0 [ 47.635788] [] sock_common_setsockopt+0x9a/0xe0 [ 47.635795] [] SyS_setsockopt+0x166/0x260 [ 47.635802] [] ? SyS_recv+0x40/0x40 [ 47.635812] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 47.635819] [] ? SyS_clock_settime+0x220/0x220 [ 47.635826] [] ? do_syscall_64+0x48/0x550 [ 47.635833] [] ? SyS_recv+0x40/0x40 [ 47.635839] [] do_syscall_64+0x19f/0x550 [ 47.635847] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 47.635850] Mem-Info: [ 47.635866] active_anon:5070 inactive_anon:41 isolated_anon:0 [ 47.635866] active_file:32 inactive_file:30 isolated_file:0 [ 47.635866] unevictable:0 dirty:0 writeback:0 unstable:0 [ 47.635866] slab_reclaimable:3896 slab_unreclaimable:58451 [ 47.635866] mapped:17 shmem:48 pagetables:443 bounce:0 [ 47.635866] free:11 free_pcp:68 free_cma:0 [ 47.635884] Node 0 active_anon:20280kB inactive_anon:164kB active_file:128kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 47.635902] DMA32 free:20kB min:4696kB low:7712kB high:10728kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:20kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:136kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 47.635927] Normal free:24kB min:5580kB low:9168kB high:12756kB active_anon:20332kB inactive_anon:164kB active_file:128kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15584kB slab_unreclaimable:233784kB kernel_stack:4288kB pagetables:1772kB bounce:0kB free_pcp:136kB local_pcp:60kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 47.635963] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 110 total pagecache pages [ 47.635994] 0 pages in swap cache [ 47.635998] Swap cache stats: add 0, delete 0, find 0/0 [ 47.636000] Free swap = 0kB [ 47.636002] Total swap = 0kB [ 47.636004] 1965979 pages RAM [ 47.636006] 0 pages HighMem/MovableOnly [ 47.636008] 313617 pages reserved [ 47.678312] syz-executor.4: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 47.678321] CPU: 1 PID: 2992 Comm: syz-executor.4 Not tainted 4.9.141+ #1 [ 47.678336] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb dffffc0000000000 [ 47.678346] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 47.678356] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 47.678358] Call Trace: [ 47.678375] [ 47.678376] [] dump_stack+0xc1/0x128 [ 47.678386] [] warn_alloc.cold.31+0x7f/0x9c [ 47.678395] [] ? zone_watermark_ok_safe+0x250/0x250 [ 47.678403] [] ? get_page_from_freelist+0x23e/0x1d80 [ 47.678412] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 47.678420] [] ? __lock_acquire+0x654/0x4a10 [ 47.678428] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 47.678435] [] ? trace_hardirqs_on+0x10/0x10 [ 47.678443] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 47.678451] [] ? _find_next_bit.part.0+0xe0/0x120 [ 47.678458] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 47.678466] [] new_slab+0x367/0x3d0 [ 47.678474] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 47.678483] [] ? __alloc_skb+0xe6/0x5b0 [ 47.678489] [] ? trace_hardirqs_on+0x10/0x10 [ 47.678498] [] ? __enqueue_entity+0x138/0x230 [ 47.678507] [] ? check_preemption_disabled+0x3b/0x200 [ 47.678514] [] ? __alloc_skb+0xe6/0x5b0 [ 47.678522] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 47.678529] [] ? __alloc_skb+0xe6/0x5b0 [ 47.678537] [] kmem_cache_alloc+0x212/0x2b0 [ 47.678543] [] ? mark_held_locks+0xc7/0x130 [ 47.678550] [] __alloc_skb+0xe6/0x5b0 [ 47.678558] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 47.678566] [] ? ipv6_get_ifaddr+0x300/0x510 [ 47.678572] [] ? trace_hardirqs_on+0xd/0x10 [ 47.678580] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 47.678589] [] ndisc_alloc_skb+0x144/0x330 [ 47.678597] [] ndisc_send_rs+0x2ff/0x670 [ 47.678603] [] ? __ipv6_get_lladdr+0x250/0x250 [ 47.678610] [] addrconf_rs_timer+0x27e/0x5a0 [ 47.678617] [] ? ipv6_get_lladdr+0x440/0x440 [ 47.678626] [] call_timer_fn+0x163/0x6e0 [ 47.678632] [] ? call_timer_fn+0xda/0x6e0 [ 47.678640] [] ? debug_object_deactivate+0x214/0x340 [ 47.678646] [] ? ipv6_get_lladdr+0x440/0x440 [ 47.678653] [] ? process_timeout+0x20/0x20 [ 47.678660] [] ? check_preemption_disabled+0x3b/0x200 [ 47.678668] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 47.678674] [] ? ipv6_get_lladdr+0x440/0x440 [ 47.678681] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 47.678688] [] ? ipv6_get_lladdr+0x440/0x440 [ 47.678695] [] expire_timers+0x234/0x580 [ 47.678701] [] ? collect_expired_timers+0x1d5/0x2b0 [ 47.678708] [] run_timer_softirq+0x208/0x5e0 [ 47.678715] [] ? expire_timers+0x580/0x580 [ 47.678722] [] ? check_preemption_disabled+0x3b/0x200 [ 47.678732] [] __do_softirq+0x20e/0x964 [ 47.678739] [] ? check_preemption_disabled+0x3b/0x200 [ 47.678746] [] irq_exit+0x11c/0x150 [ 47.678753] [] smp_apic_timer_interrupt+0x81/0xb0 [ 47.678766] [] apic_timer_interrupt+0x9d/0xb0 [ 47.678775] [ 47.678776] [] ? _raw_spin_unlock_irqrestore+0x5f/0x70 [ 47.678784] [] debug_check_no_obj_freed+0x2ce/0x890 [ 47.678792] [] ? debug_object_activate+0x4e0/0x4e0 [ 47.678798] [] ? _raw_spin_unlock+0x2c/0x50 [ 47.678805] [] __vunmap+0x130/0x400 [ 47.678810] [] vfree+0x50/0x110 [ 47.678815] [] __vmalloc_node_range+0x423/0x600 [ 47.678822] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.678829] [] vmalloc+0x5b/0x70 [ 47.678836] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.678843] [] xt_alloc_table_info+0xc9/0x100 [ 47.678851] [] do_ip6t_set_ctl+0x235/0x470 [ 47.678859] [] ? compat_do_ip6t_set_ctl+0x140/0x140 [ 47.678868] [] ? mutex_unlock+0x9/0x10 [ 47.678876] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 47.678883] [] nf_setsockopt+0x6d/0xc0 [ 47.678891] [] ipv6_setsockopt+0xc8/0x130 [ 47.678898] [] tcp_setsockopt+0x88/0xe0 [ 47.678905] [] sock_common_setsockopt+0x9a/0xe0 [ 47.678912] [] SyS_setsockopt+0x166/0x260 [ 47.678919] [] ? SyS_recv+0x40/0x40 [ 47.678926] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 47.678933] [] ? SyS_clock_settime+0x220/0x220 [ 47.678941] [] ? do_syscall_64+0x48/0x550 [ 47.678947] [] ? SyS_recv+0x40/0x40 [ 47.678953] [] do_syscall_64+0x19f/0x550 [ 47.678961] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 47.678964] Mem-Info: [ 47.678981] active_anon:5070 inactive_anon:41 isolated_anon:0 [ 47.678981] active_file:32 inactive_file:30 isolated_file:0 [ 47.678981] unevictable:0 dirty:0 writeback:0 unstable:0 [ 47.678981] slab_reclaimable:3896 slab_unreclaimable:58451 [ 47.678981] mapped:17 shmem:48 pagetables:443 bounce:0 [ 47.678981] free:11 free_pcp:68 free_cma:0 [ 47.678993] Node 0 active_anon:20280kB inactive_anon:164kB active_file:128kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 47.679010] DMA32 free:20kB min:4696kB low:7712kB high:10728kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:20kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:136kB local_pcp:0kB free_cma:0kB ** 110 printk messages dropped ** [ 47.769013] lowmem_reserve[]: 0 0 0 [ 47.769042] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 110 total pagecache pages [ 47.769072] 0 pages in swap cache [ 47.769076] Swap cache stats: add 0, delete 0, find 0/0 [ 47.769078] Free swap = 0kB [ 47.769080] Total swap = 0kB [ 47.769082] 1965979 pages RAM [ 47.769084] 0 pages HighMem/MovableOnly [ 47.769085] 313617 pages reserved [ 47.769092] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 47.769098] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 47.769103] node 0: slabs: 566, objs: 6792, free: 0 [ 47.769108] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 47.769133] syz-executor.4: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 47.769139] CPU: 1 PID: 2992 Comm: syz-executor.4 Not tainted 4.9.141+ #1 [ 47.769149] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb dffffc0000000000 [ 47.769159] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 47.769168] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 47.769170] Call Trace: [ 47.769179] [ 47.769180] [] dump_stack+0xc1/0x128 [ 47.769187] [] warn_alloc.cold.31+0x7f/0x9c [ 47.769195] [] ? zone_watermark_ok_safe+0x250/0x250 [ 47.769203] [] ? get_page_from_freelist+0x23e/0x1d80 [ 47.769211] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 47.769221] [] ? kvm_sched_clock_read+0x9/0x20 [ 47.769228] [] ? sched_clock+0x9/0x10 [ 47.769236] [] ? down_trylock+0x50/0x70 [ 47.769244] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 47.769253] [] ? vprintk_emit+0x272/0x790 [ 47.769261] [] ? trace_hardirqs_on+0x10/0x10 [ 47.769268] [] new_slab+0x367/0x3d0 [ 47.769276] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 47.769283] [] ? __alloc_skb+0xe6/0x5b0 [ 47.769290] [] ? trace_hardirqs_on+0x10/0x10 [ 47.769297] [] ? debug_object_activate+0x32d/0x4e0 [ 47.769305] [] ? check_preemption_disabled+0x3b/0x200 [ 47.769312] [] ? __alloc_skb+0xe6/0x5b0 [ 47.769320] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 47.769327] [] ? __alloc_skb+0xe6/0x5b0 [ 47.769335] [] kmem_cache_alloc+0x212/0x2b0 [ 47.769341] [] ? mark_held_locks+0xc7/0x130 [ 47.769348] [] __alloc_skb+0xe6/0x5b0 [ 47.769356] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 47.769363] [] ? ipv6_get_ifaddr+0x300/0x510 [ 47.769369] [] ? trace_hardirqs_on+0xd/0x10 [ 47.769376] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 47.769384] [] ndisc_alloc_skb+0x144/0x330 [ 47.769391] [] ndisc_send_rs+0x2ff/0x670 [ 47.769398] [] ? __ipv6_get_lladdr+0x250/0x250 [ 47.769404] [] addrconf_rs_timer+0x27e/0x5a0 [ 47.769411] [] ? ipv6_get_lladdr+0x440/0x440 [ 47.769418] [] call_timer_fn+0x163/0x6e0 [ 47.769424] [] ? call_timer_fn+0xda/0x6e0 [ 47.769431] [] ? debug_object_deactivate+0x214/0x340 [ 47.769437] [] ? ipv6_get_lladdr+0x440/0x440 [ 47.769444] [] ? process_timeout+0x20/0x20 [ 47.769451] [] ? check_preemption_disabled+0x3b/0x200 [ 47.769458] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 47.769464] [] ? ipv6_get_lladdr+0x440/0x440 [ 47.769471] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 47.769478] [] ? ipv6_get_lladdr+0x440/0x440 [ 47.769484] [] expire_timers+0x234/0x580 [ 47.769491] [] ? collect_expired_timers+0x1d5/0x2b0 [ 47.769498] [] run_timer_softirq+0x208/0x5e0 [ 47.769504] [] ? expire_timers+0x580/0x580 [ 47.769512] [] ? tick_program_event+0x103/0x180 [ 47.769519] [] ? check_preemption_disabled+0x3b/0x200 [ 47.769526] [] __do_softirq+0x20e/0x964 [ 47.769534] [] ? check_preemption_disabled+0x3b/0x200 [ 47.769540] [] irq_exit+0x11c/0x150 [ 47.769547] [] smp_apic_timer_interrupt+0x81/0xb0 [ 47.769555] [] apic_timer_interrupt+0x9d/0xb0 [ 47.769564] [ 47.769565] [] ? _raw_spin_unlock_irqrestore+0x5f/0x70 [ 47.769572] [] debug_check_no_obj_freed+0x2ce/0x890 [ 47.769580] [] ? debug_object_activate+0x4e0/0x4e0 [ 47.769586] [] ? _raw_spin_unlock+0x2c/0x50 [ 47.769593] [] __vunmap+0x130/0x400 [ 47.769599] [] vfree+0x50/0x110 [ 47.769606] [] __vmalloc_node_range+0x423/0x600 [ 47.769612] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.769619] [] vmalloc+0x5b/0x70 [ 47.769626] [] ? xt_alloc_table_info+0xc9/0x100 [ 47.769633] [] xt_alloc_table_info+0xc9/0x100 [ 47.769648] [] do_ip6t_set_ctl+0x235/0x470 [ 47.769656] [] ? compat_do_ip6t_set_ctl+0x140/0x140 [ 47.769663] [] ? mutex_unlock+0x9/0x10 [ 47.769671] [] ? nf_sockopt_find.constprop.0+0x1b1/0x230 [ 47.769678] [] nf_setsockopt+0x6d/0xc0 [ 47.769685] [] ipv6_setsockopt+0xc8/0x130 [ 47.769692] [] tcp_setsockopt+0x88/0xe0 [ 47.769699] [] sock_common_setsockopt+0x9a/0xe0 [ 47.769706] [] SyS_setsockopt+0x166/0x260 [ 47.769712] [] ? SyS_recv+0x40/0x40 [ 47.769720] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 47.769727] [] ? SyS_clock_settime+0x220/0x220 [ 47.769733] [] ? do_syscall_64+0x48/0x550 [ 47.769740] [] ? SyS_recv+0x40/0x40 [ 47.769746] [] do_syscall_64+0x19f/0x550 [ 47.769754] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 47.769756] Mem-Info: [ 47.769771] active_anon:5070 inactive_anon:41 isolated_anon:0 [ 47.769771] active_file:32 inactive_file:30 isolated_file:0 [ 47.769771] unevictable:0 dirty:0 writeback:0 unstable:0 [ 47.769771] slab_reclaimable:3896 slab_unreclaimable:58451 [ 47.769771] mapped:17 shmem:48 pagetables:443 bounce:0 [ 47.769771] free:11 free_pcp:68 free_cma:0 [ 47.769783] Node 0 active_anon:20280kB inactive_anon:164kB active_file:128kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 47.769799] DMA32 free:20kB min:4696kB low:7712kB high:10728kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:20kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:136kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 47.769823] Normal free:24kB min:5580kB low:9168kB high:12756kB active_anon:20332kB inactive_anon:164kB active_file:128kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15584kB slab_unreclaimable:233784kB kernel_stack:4288kB pagetables:1772kB bounce:0kB free_pcp:136kB local_pcp:60kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 47.769855] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB ** 107 printk messages dropped ** [ 47.770680] lowmem_reserve[]: 0 0 0 [ 47.770706] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB ** 415 printk messages dropped ** [ 47.929800] [ 47.929800] [] ? lock_release+0x557/0xc20 [ 47.929805] [] ? find_lock_task_mm+0xf1/0x270 [ 47.929810] [] ? find_lock_task_mm+0xf1/0x270 [ 47.929815] [] find_lock_task_mm+0x15b/0x270 [ 47.929820] [] ? wake_oom_reaper+0xf0/0xf0 [ 47.929824] [] lowmem_scan+0x34f/0xaf0 [ 47.929828] [] ? lowmem_scan+0x24e/0xaf0 [ 47.929833] [] ? check_preemption_disabled+0x3b/0x200 [ 47.929838] [] shrink_slab.part.8+0x3c6/0xa00 [ 47.929843] [] ? unregister_shrinker+0x230/0x230 [ 47.929848] [] shrink_node+0x1ed/0x740 [ 47.929854] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 47.929859] [] ? __delayacct_freepages_start+0x41/0x80 [ 47.929864] [] try_to_free_pages+0x377/0xb80 [ 47.929869] [] ? shrink_node+0x740/0x740 [ 47.929875] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 47.929879] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 47.929885] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 47.929890] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 47.929895] [] ? find_get_entry+0x11a/0x570 [ 47.929900] [] ? find_get_entry+0x141/0x570 [ 47.929904] [] ? page_cache_prev_hole+0x80/0x80 [ 47.929909] [] ? autoremove_wake_function+0x40/0x40 [ 47.929914] [] ? pagecache_get_page+0x131/0x710 [ 47.929919] [] filemap_fault+0xaf1/0x1110 [ 47.929924] [] ext4_filemap_fault+0x71/0xa0 [ 47.929928] [] __do_fault+0x223/0x500 [ 47.929933] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 47.929938] [] ? generic_file_readonly_mmap+0x190/0x190 [ 47.929942] [] handle_mm_fault+0x1326/0x2350 [ 47.929947] [] ? vm_insert_page+0x6f0/0x6f0 [ 47.929952] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 47.929957] [] __do_page_fault+0x403/0xa60 [ 47.929961] [] ? bad_area_access_error+0x3a0/0x3a0 [ 47.929967] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.929971] [] do_page_fault+0x27/0x30 [ 47.929976] [] page_fault+0x25/0x30 [ 47.929978] Mem-Info: [ 47.929987] active_anon:5070 inactive_anon:41 isolated_anon:0 [ 47.929987] active_file:32 inactive_file:30 isolated_file:0 [ 47.929987] unevictable:0 dirty:0 writeback:0 unstable:0 [ 47.929987] slab_reclaimable:3896 slab_unreclaimable:58451 [ 47.929987] mapped:17 shmem:48 pagetables:443 bounce:0 [ 47.929987] free:11 free_pcp:68 free_cma:0 [ 47.929996] Node 0 active_anon:20280kB inactive_anon:164kB active_file:128kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:68kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 47.930007] DMA32 free:20kB min:4696kB low:7712kB high:10728kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:20kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:136kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 47.930023] Normal free:24kB min:5580kB low:9168kB high:12756kB active_anon:20332kB inactive_anon:164kB active_file:128kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15584kB slab_unreclaimable:233784kB kernel_stack:4288kB pagetables:1772kB bounce:0kB free_pcp:136kB local_pcp:60kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 47.930045] DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 110 total pagecache pages [ 47.930065] 0 pages in swap cache [ 47.930067] Swap cache stats: add 0, delete 0, find 0/0 [ 47.930069] Free swap = 0kB [ 47.930070] Total swap = 0kB [ 47.930071] 1965979 pages RAM [ 47.930072] 0 pages HighMem/MovableOnly [ 47.930074] 313617 pages reserved [ 47.930077] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 47.930081] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 47.930084] node 0: slabs: 566, objs: 6792, free: 0 [ 47.930086] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 48.008297] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 48.008303] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 48.008309] node 0: slabs: 566, objs: 6792, free: 0 [ 48.008314] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 48.543107] lowmemorykiller: Killing 'syz-executor.1' (2936) (tgid 2931), adj 1000, [ 48.543107] to free 140kB on behalf of 'syz-executor.1' (2948) because [ 48.543107] cache 188kB is below limit 6144kB for oom_score_adj 0 [ 48.543107] Free memory is -37480kB above reserved [ 49.548354] lowmemorykiller: Killing 'syz-executor.1' (2936) (tgid 2931), adj 1000, [ 49.548354] to free 140kB on behalf of 'syz-executor.1' (2948) because [ 49.548354] cache 124kB is below limit 6144kB for oom_score_adj 0 [ 49.548354] Free memory is -37504kB above reserved [ 49.548444] lowmemorykiller: Killing 'syz-executor.1' (2936) (tgid 2931), adj 1000, [ 49.548444] to free 140kB on behalf of 'syz-executor.4' (2087) because [ 49.548444] cache 124kB is below limit 6144kB for oom_score_adj 0 [ 49.548444] Free memory is -37504kB above reserved [ 50.558371] lowmemorykiller: Killing 'syz-executor.1' (2936) (tgid 2931), adj 1000, [ 50.558371] to free 140kB on behalf of 'getty' (2052) because [ 50.558371] cache 124kB is below limit 6144kB for oom_score_adj 0 [ 50.558371] Free memory is -37504kB above reserved [ 51.568355] lowmemorykiller: Killing 'syz-executor.1' (2936) (tgid 2931), adj 1000, [ 51.568355] to free 140kB on behalf of 'getty' (2051) because [ 51.568355] cache 124kB is below limit 6144kB for oom_score_adj 0 [ 51.568355] Free memory is -37504kB above reserved [ 52.578353] lowmemorykiller: Killing 'syz-executor.1' (2936) (tgid 2931), adj 1000, [ 52.578353] to free 140kB on behalf of 'syz-executor.5' (2946) because [ 52.578353] cache 124kB is below limit 6144kB for oom_score_adj 0 [ 52.578353] Free memory is -37504kB above reserved [ 52.578364] lowmemorykiller: Killing 'syz-executor.1' (2936) (tgid 2931), adj 1000, [ 52.578364] to free 140kB on behalf of 'syz-executor.2' (2080) because [ 52.578364] cache 124kB is below limit 6144kB for oom_score_adj 0 [ 52.578364] Free memory is -37504kB above reserved [ 53.588305] lowmemorykiller: Killing 'syz-executor.1' (2936) (tgid 2931), adj 1000, [ 53.588305] to free 140kB on behalf of 'syz-executor.0' (2940) because [ 53.588305] cache 124kB is below limit 6144kB for oom_score_adj 0 [ 53.588305] Free memory is -37504kB above reserved [ 53.588321] lowmemorykiller: Killing 'syz-executor.1' (2936) (tgid 2931), adj 1000, [ 53.588321] to free 140kB on behalf of 'syz-executor.3' (2085) because [ 53.588321] cache 124kB is below limit 6144kB for oom_score_adj 0 [ 53.588321] Free memory is -37504kB above reserved [ 54.598359] lowmemorykiller: Killing 'syz-executor.1' (2936) (tgid 2931), adj 1000, [ 54.598359] to free 140kB on behalf of 'syz-executor.0' (2082) because [ 54.598359] cache 124kB is below limit 6144kB for oom_score_adj 0 [ 54.598359] Free memory is -37504kB above reserved [ 54.598370] lowmemorykiller: Killing 'syz-executor.1' (2936) (tgid 2931), adj 1000, [ 54.598370] to free 140kB on behalf of 'syz-executor.5' (2937) because [ 54.598370] cache 124kB is below limit 6144kB for oom_score_adj 0 [ 54.598370] Free memory is -37504kB above reserved ** 6 printk messages dropped ** [ 55.038320] Call Trace: [ 55.038336] [ 55.038336] [] dump_stack+0xc1/0x128 [ 55.038343] [] warn_alloc.cold.31+0x7f/0x9c [ 55.038350] [] ? zone_watermark_ok_safe+0x250/0x250 [ 55.038356] [] ? get_page_from_freelist+0x23e/0x1d80 [ 55.038362] [] __alloc_pages_nodemask+0x628/0x1bd0 ** 460 printk messages dropped ** [ 67.848535] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cec1f908 [ 67.848545] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 67.848546] Call Trace: [ 67.848557] [] dump_stack+0xc1/0x128 [ 67.848565] [] warn_alloc.cold.31+0x7f/0x9c [ 67.848573] [] ? zone_watermark_ok_safe+0x250/0x250 [ 67.848581] [] ? shrink_node+0x740/0x740 [ 67.848590] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 67.848597] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 67.848605] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 67.848613] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 67.848620] [] ? find_get_entry+0x11a/0x570 [ 67.848627] [] ? find_get_entry+0x141/0x570 [ 67.848634] [] ? page_cache_prev_hole+0x80/0x80 [ 67.848642] [] ? autoremove_wake_function+0x40/0x40 [ 67.848649] [] ? pagecache_get_page+0x131/0x710 [ 67.848657] [] filemap_fault+0xaf1/0x1110 [ 67.848665] [] ext4_filemap_fault+0x71/0xa0 [ 67.848671] [] __do_fault+0x223/0x500 [ 67.848678] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 67.848685] [] ? handle_mm_fault+0x1d4f/0x2350 [ 67.848693] [] handle_mm_fault+0x1326/0x2350 [ 67.848700] [] ? vm_insert_page+0x6f0/0x6f0 [ 67.848707] [] ? hrtimer_nanosleep+0x38c/0x550 [ 67.848714] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 67.848722] [] __do_page_fault+0x403/0xa60 [ 67.848730] [] ? bad_area_access_error+0x3a0/0x3a0 [ 67.848738] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 67.848745] [] do_page_fault+0x27/0x30 [ 67.848752] [] page_fault+0x25/0x30 [ 67.848755] Mem-Info: [ 67.848771] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 67.848771] active_file:49 inactive_file:58 isolated_file:0 [ 67.848771] unevictable:0 dirty:0 writeback:0 unstable:0 [ 67.848771] slab_reclaimable:3910 slab_unreclaimable:58285 [ 67.848771] mapped:76 shmem:48 pagetables:443 bounce:0 [ 67.848771] free:6004 free_pcp:90 free_cma:0 [ 67.848784] Node 0 active_anon:20320kB inactive_anon:164kB active_file:196kB inactive_file:232kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:304kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 67.848802] DMA32 free:18608kB min:4696kB low:7712kB high:10728kB active_anon:52kB inactive_anon:0kB active_file:108kB inactive_file:120kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:348kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 67.848828] Normal free:5408kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:164kB active_file:88kB inactive_file:112kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15608kB slab_unreclaimable:232792kB kernel_stack:4256kB pagetables:1772kB bounce:0kB free_pcp:240kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 67.848889] DMA32: 4*4kB (UE) 10*8kB (UME) 11*16kB (UME) 13*32kB (UME) 8*64kB (UME) 2*128kB (UM) 3*256kB (ME) 2*512kB (E) 3*1024kB (ME) 2*2048kB (U) 2*4096kB (U) = 18608kB Normal: 316*4kB (UM) 138*8kB (MEH) 76*16kB (ME) 41*32kB (UMH) 4*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5408kB 159 total pagecache pages [ 67.848933] 0 pages in swap cache [ 67.848937] Swap cache stats: add 0, delete 0, find 0/0 [ 67.848939] Free swap = 0kB [ 67.848941] Total swap = 0kB [ 67.848943] 1965979 pages RAM [ 67.848945] 0 pages HighMem/MovableOnly [ 67.848948] 313617 pages reserved [ 67.888436] getty: page allocation stalls for 10060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 67.888445] CPU: 0 PID: 2054 Comm: getty Not tainted 4.9.141+ #1 [ 67.888462] ffff8801cf3d77c0 ffffffff81b42e79 1ffff10039e7aefa ffff8801d192af80 [ 67.888472] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cf3d7908 [ 67.888482] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 67.888484] Call Trace: [ 67.888499] [] dump_stack+0xc1/0x128 [ 67.888509] [] warn_alloc.cold.31+0x7f/0x9c [ 67.888518] [] ? zone_watermark_ok_safe+0x250/0x250 [ 67.888527] [] ? shrink_node+0x740/0x740 [ 67.888536] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 67.888544] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 67.888552] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 67.888561] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 67.888572] [] ? find_get_entry+0x11a/0x570 [ 67.888580] [] ? find_get_entry+0x141/0x570 [ 67.888587] [] ? page_cache_prev_hole+0x80/0x80 [ 67.888599] [] ? autoremove_wake_function+0x40/0x40 [ 67.888606] [] ? pagecache_get_page+0x131/0x710 [ 67.888624] [] filemap_fault+0xaf1/0x1110 [ 67.888633] [] ext4_filemap_fault+0x71/0xa0 [ 67.888640] [] __do_fault+0x223/0x500 [ 67.888646] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 67.888655] [] ? generic_file_readonly_mmap+0x190/0x190 [ 67.888662] [] handle_mm_fault+0x1326/0x2350 [ 67.888669] [] ? vm_insert_page+0x6f0/0x6f0 [ 67.888678] [] ? hrtimer_nanosleep+0x38c/0x550 [ 67.888685] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 67.888694] [] __do_page_fault+0x403/0xa60 [ 67.888702] [] ? bad_area_access_error+0x3a0/0x3a0 [ 67.888715] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 67.888725] [] do_page_fault+0x27/0x30 [ 67.888733] [] page_fault+0x25/0x30 [ 67.888736] Mem-Info: [ 67.888753] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 67.888753] active_file:49 inactive_file:58 isolated_file:0 [ 67.888753] unevictable:0 dirty:0 writeback:0 unstable:0 [ 67.888753] slab_reclaimable:3910 slab_unreclaimable:58285 [ 67.888753] mapped:76 shmem:48 pagetables:443 bounce:0 [ 67.888753] free:6004 free_pcp:90 free_cma:0 [ 67.888766] Node 0 active_anon:20320kB inactive_anon:164kB active_file:196kB inactive_file:232kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:304kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 67.888788] DMA32 free:18608kB min:4696kB low:7712kB high:10728kB active_anon:52kB inactive_anon:0kB active_file:108kB inactive_file:120kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:348kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 67.888815] Normal free:5408kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:164kB active_file:88kB inactive_file:112kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15608kB slab_unreclaimable:232792kB kernel_stack:4256kB pagetables:1772kB bounce:0kB free_pcp:240kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 67.888877] DMA32: 4*4kB (UE) 10*8kB (UME) 11*16kB (UME) 13*32kB (UME) 8*64kB (UME) 2*128kB (UM) 3*256kB (ME) 2*512kB (E) 3*1024kB (ME) 2*2048kB (U) 2*4096kB (U) = 18608kB Normal: 316*4kB (UM) 138*8kB (MEH) 76*16kB (ME) 41*32kB (UMH) 4*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5408kB 159 total pagecache pages [ 67.888921] 0 pages in swap cache [ 67.888925] Swap cache stats: add 0, delete 0, find 0/0 [ 67.888927] Free swap = 0kB [ 67.888929] Total swap = 0kB [ 67.888932] 1965979 pages RAM [ 67.888934] 0 pages HighMem/MovableOnly [ 67.888936] 313617 pages reserved [ 67.890925] syz-executor.5: page allocation stalls for 10040ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 67.890932] CPU: 1 PID: 2077 Comm: syz-executor.5 Not tainted 4.9.141+ #1 [ 67.890944] ffff8801ce1077c0 ffffffff81b42e79 1ffff10039c20efa ffff8801cf692f80 ** 137 printk messages dropped ** [ 67.946538] DMA32: 4*4kB (UE) 10*8kB (UME) 11*16kB (UME) 13*32kB (UME) 8*64kB (UME) 2*128kB (UM) 3*256kB (ME) 2*512kB (E) 3*1024kB (ME) 2*2048kB (U) 2*4096kB (U) = 18608kB ** 291 printk messages dropped ** [ 77.861610] [] __do_fault+0x223/0x500 [ 77.861616] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 77.861624] [] ? generic_file_readonly_mmap+0x190/0x190 [ 77.861632] [] handle_mm_fault+0x1326/0x2350 ** 3 printk messages dropped ** [ 77.861663] [] __do_page_fault+0x403/0xa60 [ 77.861671] [] ? bad_area_access_error+0x3a0/0x3a0 [ 77.861680] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.861687] [] do_page_fault+0x27/0x30 [ 77.861695] [] page_fault+0x25/0x30 [ 77.861698] Mem-Info: [ 77.861716] active_anon:5080 inactive_anon:41 isolated_anon:0 [ 77.861716] active_file:49 inactive_file:58 isolated_file:0 [ 77.861716] unevictable:0 dirty:0 writeback:0 unstable:0 [ 77.861716] slab_reclaimable:3910 slab_unreclaimable:58292 [ 77.861716] mapped:76 shmem:48 pagetables:443 bounce:0 [ 77.861716] free:6000 free_pcp:87 free_cma:0 [ 77.861729] Node 0 active_anon:20320kB inactive_anon:164kB active_file:196kB inactive_file:232kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:304kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 77.861747] DMA32 free:18608kB min:4696kB low:7712kB high:10728kB active_anon:52kB inactive_anon:0kB active_file:108kB inactive_file:120kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:348kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 77.861773] Normal free:5392kB min:5580kB low:9168kB high:12756kB active_anon:20268kB inactive_anon:164kB active_file:88kB inactive_file:112kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15608kB slab_unreclaimable:232820kB kernel_stack:4256kB pagetables:1772kB bounce:0kB free_pcp:228kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 77.861830] DMA32: 4*4kB (UE) 10*8kB (UME) 11*16kB (UME) 13*32kB (UME) 8*64kB (UME) 2*128kB (UM) 3*256kB (ME) 2*512kB (E) 3*1024kB (ME) 2*2048kB (U) 2*4096kB (U) = 18608kB Normal: 316*4kB (UM) 138*8kB (MEH) 77*16kB (MEH) 40*32kB (UM) 4*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5392kB 159 total pagecache pages [ 77.861875] 0 pages in swap cache [ 77.861919] Swap cache stats: add 0, delete 0, find 0/0 [ 77.861924] Free swap = 0kB [ 77.861925] Total swap = 0kB [ 77.861927] 1965979 pages RAM [ 77.861929] 0 pages HighMem/MovableOnly [ 77.861930] 313617 pages reserved [ 77.888429] getty: page allocation stalls for 20060ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 77.888437] CPU: 1 PID: 2054 Comm: getty Not tainted 4.9.141+ #1 [ 77.888453] ffff8801cf3d77c0 ffffffff81b42e79 1ffff10039e7aefa ffff8801d192af80 [ 77.888463] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801cf3d7908 [ 77.888473] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 77.888475] Call Trace: [ 77.888491] [] dump_stack+0xc1/0x128 [ 77.888503] [] warn_alloc.cold.31+0x7f/0x9c [ 77.888513] [] ? zone_watermark_ok_safe+0x250/0x250 [ 77.888521] [] ? shrink_node+0x740/0x740 [ 77.888530] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 77.888538] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 77.888553] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 77.888561] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 77.888568] [] ? find_get_entry+0x11a/0x570 [ 77.888576] [] ? find_get_entry+0x141/0x570 [ 77.888583] [] ? page_cache_prev_hole+0x80/0x80 [ 77.888591] [] ? autoremove_wake_function+0x40/0x40 [ 77.888599] [] ? pagecache_get_page+0x131/0x710 [ 77.888606] [] filemap_fault+0xaf1/0x1110 [ 77.888616] [] ext4_filemap_fault+0x71/0xa0 [ 77.888623] [] __do_fault+0x223/0x500 [ 77.888630] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 77.888638] [] ? generic_file_readonly_mmap+0x190/0x190 [ 77.888646] [] handle_mm_fault+0x1326/0x2350 [ 77.888653] [] ? vm_insert_page+0x6f0/0x6f0 [ 77.888661] [] ? hrtimer_nanosleep+0x38c/0x550 [ 77.888668] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 77.888677] [] __do_page_fault+0x403/0xa60 [ 77.888685] [