[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 9.991964] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 36.681374] random: sshd: uninitialized urandom read (32 bytes read) [ 36.866622] random: crng init done Warning: Permanently added '10.128.1.1' (ECDSA) to the list of known hosts. 2019/09/19 08:00:12 parsed 1 programs 2019/09/19 08:00:14 executed programs: 0 [ 51.976050] audit: type=1400 audit(1568880014.475:5): avc: denied { sys_admin } for pid=2089 comm="syz-executor.3" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 51.998336] audit: type=1400 audit(1568880014.475:6): avc: denied { net_admin } for pid=2092 comm="syz-executor.1" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 52.354590] audit: type=1400 audit(1568880014.855:7): avc: denied { sys_chroot } for pid=2095 comm="syz-executor.5" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 52.380568] audit: type=1400 audit(1568880014.885:8): avc: denied { associate } for pid=2092 comm="syz-executor.1" name="syz1" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 53.995326] lowmemorykiller: Killing 'syz-executor.5' (2247) (tgid 2244), adj 1000, [ 53.995326] to free 1092kB on behalf of 'syz-executor.4' (2263) because [ 53.995326] cache 54800kB is below limit 65536kB for oom_score_adj 12 [ 53.995326] Free memory is -13296kB above reserved [ 53.996789] lowmemorykiller: Killing 'syz-executor.5' (2247) (tgid 2244), adj 1000, [ 53.996789] to free 1092kB on behalf of 'kswapd0' (33) because [ 53.996789] cache 54100kB is below limit 65536kB for oom_score_adj 12 [ 53.996789] Free memory is -12496kB above reserved [ 54.235433] oom_reaper: reaped process 2272 (syz-executor.0), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 54.251569] oom_reaper: reaped process 2247 (syz-executor.5), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB [ 54.255136] syz-executor.5: vmalloc: allocation failure, allocated 1082486784 of 4294975488 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 54.255144] CPU: 0 PID: 2247 Comm: syz-executor.5 Not tainted 4.9.141+ #1 [ 54.255158] ffff8801bb1a7958 ffffffff81b42e79 1ffff10037634f2d dffffc0000000000 [ 54.255167] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8801bb1a7aa0 [ 54.255176] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 54.255178] Call Trace: [ 54.255192] [] dump_stack+0xc1/0x128 [ 54.255202] [] warn_alloc.cold.31+0x7f/0x9c [ 54.255211] [] ? zone_watermark_ok_safe+0x250/0x250 [ 54.255220] [] ? retint_kernel+0x2d/0x2d [ 54.255227] [] __vmalloc_node_range+0x3f8/0x600 [ 54.255236] [] ? xt_alloc_table_info+0xc9/0x100 [ 54.255242] [] vmalloc+0x5b/0x70 [ 54.255248] [] ? xt_alloc_table_info+0xc9/0x100 [ 54.255254] [] xt_alloc_table_info+0xc9/0x100 [ 54.255263] [] do_replace.isra.7+0xfd/0x470 [ 54.255270] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 54.255278] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 54.255285] [] ? selinux_capable+0x36/0x40 [ 54.255293] [] ? ns_capable_common+0x12a/0x150 [ 54.255300] [] do_arpt_set_ctl+0xff/0x140 [ 54.255308] [] nf_setsockopt+0x6d/0xc0 [ 54.255316] [] ip_setsockopt+0x88/0xa0 [ 54.255323] [] tcp_setsockopt+0x88/0xe0 [ 54.255330] [] sock_common_setsockopt+0x9a/0xe0 [ 54.255337] [] SyS_setsockopt+0x166/0x260 [ 54.255343] [] ? SyS_recv+0x40/0x40 [ 54.255350] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 54.255357] [] ? SyS_clock_settime+0x220/0x220 [ 54.255364] [] ? do_syscall_64+0x48/0x550 [ 54.255369] [] ? SyS_recv+0x40/0x40 [ 54.255375] [] do_syscall_64+0x19f/0x550 [ 54.255382] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 54.255385] Mem-Info: [ 54.255402] active_anon:5253 inactive_anon:41 isolated_anon:0 [ 54.255402] active_file:91 inactive_file:153 isolated_file:0 [ 54.255402] unevictable:0 dirty:12 writeback:26 unstable:0 [ 54.255402] slab_reclaimable:4615 slab_unreclaimable:57346 [ 54.255402] mapped:121 shmem:48 pagetables:480 bounce:0 [ 54.255402] free:172 free_pcp:80 free_cma:0 [ 54.255414] Node 0 active_anon:21012kB inactive_anon:164kB active_file:364kB inactive_file:612kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:484kB dirty:48kB writeback:104kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 54.255430] DMA32 free:92kB min:4696kB low:7712kB high:10728kB active_anon:80kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:160kB pagetables:0kB bounce:0kB free_pcp:140kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 54.255454] Normal free:596kB min:5580kB low:9168kB high:12756kB active_anon:20932kB inactive_anon:164kB active_file:364kB inactive_file:612kB unevictable:0kB writepending:152kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18460kB slab_unreclaimable:229356kB kernel_stack:4160kB pagetables:1920kB bounce:0kB free_pcp:180kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 54.255486] 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: 33*4kB (H) 30*8kB (H) 9*16kB (H) 3*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 612kB 330 total pagecache pages [ 54.255522] 0 pages in swap cache [ 54.255526] Swap cache stats: add 0, delete 0, find 0/0 [ 54.255528] Free swap = 0kB [ 54.255530] Total swap = 0kB [ 54.255532] 1965979 pages RAM [ 54.255534] 0 pages HighMem/MovableOnly [ 54.255536] 313617 pages reserved [ 54.264572] syz-executor.0: vmalloc: allocation failure, allocated 91435008 of 4294975488 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 54.264579] CPU: 1 PID: 2272 Comm: syz-executor.0 Not tainted 4.9.141+ #1 [ 54.264594] ffff8800a6537958 ffffffff81b42e79 1ffff10014ca6f2d dffffc0000000000 [ 54.264604] ffffffff82aa8ba0 0000000000000000 0000000000400000 ffff8800a6537aa0 [ 54.264614] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 54.264615] Call Trace: [ 54.264630] [] dump_stack+0xc1/0x128 [ 54.264640] [] warn_alloc.cold.31+0x7f/0x9c [ 54.264649] [] ? zone_watermark_ok_safe+0x250/0x250 [ 54.264658] [] ? check_preemption_disabled+0x3b/0x200 [ 54.264666] [] ? retint_kernel+0x2d/0x2d [ 54.264675] [] __vmalloc_node_range+0x3f8/0x600 [ 54.264684] [] ? xt_alloc_table_info+0xc9/0x100 [ 54.264690] [] vmalloc+0x5b/0x70 [ 54.264697] [] ? xt_alloc_table_info+0xc9/0x100 [ 54.264704] [] xt_alloc_table_info+0xc9/0x100 [ 54.264714] [] do_replace.isra.7+0xfd/0x470 [ 54.264723] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 54.264732] [] ? compat_do_replace.isra.6+0x4f0/0x4f0 [ 54.264740] [] ? selinux_capable+0x36/0x40 [ 54.264749] [] ? ns_capable_common+0x12a/0x150 [ 54.264757] [] do_arpt_set_ctl+0xff/0x140 [ 54.264764] [] nf_setsockopt+0x6d/0xc0 [ 54.264772] [] ip_setsockopt+0x88/0xa0 [ 54.264779] [] tcp_setsockopt+0x88/0xe0 [ 54.264788] [] sock_common_setsockopt+0x9a/0xe0 [ 54.264795] [] SyS_setsockopt+0x166/0x260 [ 54.264801] [] ? SyS_recv+0x40/0x40 [ 54.264811] [] ? SyS_clock_gettime+0x11e/0x1f0 [ 54.264818] [] ? SyS_clock_settime+0x220/0x220 [ 54.264825] [] ? do_syscall_64+0x48/0x550 [ 54.264831] [] ? SyS_recv+0x40/0x40 [ 54.264838] [] do_syscall_64+0x19f/0x550 [ 54.264845] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 54.264848] Mem-Info: [ 54.264865] active_anon:5253 inactive_anon:41 isolated_anon:0 [ 54.264865] active_file:62 inactive_file:66 isolated_file:0 [ 54.264865] unevictable:0 dirty:12 writeback:26 unstable:0 [ 54.264865] slab_reclaimable:4615 slab_unreclaimable:57346 [ 54.264865] mapped:46 shmem:48 pagetables:480 bounce:0 [ 54.264865] free:172 free_pcp:126 free_cma:0 [ 54.264878] Node 0 active_anon:21012kB inactive_anon:164kB active_file:248kB inactive_file:264kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:184kB dirty:48kB writeback:104kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:153 all_unreclaimable? no [ 54.264896] DMA32 free:92kB min:4696kB low:7712kB high:10728kB active_anon:80kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:160kB pagetables:0kB bounce:0kB free_pcp:20kB local_pcp:20kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 54.264920] Normal free:596kB min:5580kB low:9168kB high:12756kB active_anon:20932kB inactive_anon:164kB active_file:248kB inactive_file:264kB unevictable:0kB writepending:152kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18460kB slab_unreclaimable:229356kB kernel_stack:4160kB pagetables:1920kB bounce:0kB free_pcp:484kB local_pcp:32kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 54.264953] 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: 33*4kB (H) 30*8kB (H) 9*16kB (H) 3*32kB (H) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 612kB 205 total pagecache pages [ 54.264991] 0 pages in swap cache [ 54.264995] Swap cache stats: add 0, delete 0, find 0/0 [ 54.265003] Free swap = 0kB [ 54.265005] Total swap = 0kB [ 54.265007] 1965979 pages RAM [ 54.265009] 0 pages HighMem/MovableOnly [ 54.265011] 313617 pages reserved [ 55.214180] lowmemorykiller: Killing 'syz-executor.1' (2236) (tgid 2235), adj 1000, [ 55.214180] to free 132kB on behalf of 'kworker/u4:5' (2124) because [ 55.214180] cache 236kB is below limit 6144kB for oom_score_adj 0 [ 55.214180] Free memory is -36096kB above reserved [ 55.214191] lowmemorykiller: Killing 'syz-executor.1' (2236) (tgid 2235), adj 1000, [ 55.214191] to free 132kB on behalf of 'syz-executor.5' (2267) because [ 55.214191] cache 236kB is below limit 6144kB for oom_score_adj 0 [ 55.214191] Free memory is -36096kB above reserved [ 56.224162] init: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 56.224169] syz-execprog: [ 56.224169] CPU: 0 PID: 1 Comm: init Not tainted 4.9.141+ #1 [ 56.224174] page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) ffff8801db6075c8 ffffffff81b42e79 1ffff1003b6c0ebb ffff8801da5f8000 [ 56.224192] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db607710 [ 56.224200] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 56.224201] Call Trace: [ 56.224217] [ 56.224217] [] dump_stack+0xc1/0x128 [ 56.224226] [] warn_alloc.cold.31+0x7f/0x9c [ 56.224234] [] ? zone_watermark_ok_safe+0x250/0x250 [ 56.224240] [] ? trace_hardirqs_on+0xd/0x10 [ 56.224247] [] ? get_page_from_freelist+0x23e/0x1d80 [ 56.224254] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 56.224259] [] ? mark_held_locks+0xc7/0x130 [ 56.224266] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 56.224272] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 56.224278] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 56.224287] [] ? ip6_forward_finish+0x4a0/0x4a0 [ 56.224292] [] ? trace_hardirqs_on+0x10/0x10 [ 56.224300] [] new_slab+0x367/0x3d0 [ 56.224306] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 56.224314] [] ? __alloc_skb+0xe6/0x5b0 [ 56.224319] [] ? trace_hardirqs_on+0x10/0x10 [ 56.224327] [] ? check_preemption_disabled+0x3b/0x200 [ 56.224333] [] ? __alloc_skb+0xe6/0x5b0 [ 56.224340] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 56.224345] [] ? __alloc_skb+0xe6/0x5b0 [ 56.224351] [] kmem_cache_alloc+0x212/0x2b0 [ 56.224356] [] ? mark_held_locks+0xc7/0x130 [ 56.224362] [] __alloc_skb+0xe6/0x5b0 [ 56.224368] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 56.224374] [] ? ipv6_get_ifaddr+0x300/0x510 [ 56.224379] [] ? trace_hardirqs_on+0xd/0x10 [ 56.224384] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 56.224390] [] ndisc_alloc_skb+0x144/0x330 [ 56.224396] [] ndisc_send_rs+0x2ff/0x670 [ 56.224401] [] ? __ipv6_get_lladdr+0x250/0x250 [ 56.224407] [] addrconf_rs_timer+0x27e/0x5a0 [ 56.224412] [] ? ipv6_get_lladdr+0x440/0x440 [ 56.224418] [] call_timer_fn+0x163/0x6e0 [ 56.224423] [] ? call_timer_fn+0xda/0x6e0 [ 56.224428] [] ? ipv6_get_lladdr+0x440/0x440 [ 56.224433] [] ? process_timeout+0x20/0x20 [ 56.224438] [] ? mark_held_locks+0xc7/0x130 [ 56.224444] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 56.224449] [] ? ipv6_get_lladdr+0x440/0x440 [ 56.224455] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 56.224460] [] ? ipv6_get_lladdr+0x440/0x440 [ 56.224465] [] expire_timers+0x234/0x580 [ 56.224470] [] ? collect_expired_timers+0x1d5/0x2b0 [ 56.224475] [] run_timer_softirq+0x208/0x5e0 [ 56.224480] [] ? expire_timers+0x580/0x580 [ 56.224486] [] ? check_preemption_disabled+0x3b/0x200 [ 56.224493] [] __do_softirq+0x20e/0x964 [ 56.224499] [] ? check_preemption_disabled+0x3b/0x200 [ 56.224504] [] irq_exit+0x11c/0x150 [ 56.224510] [] smp_apic_timer_interrupt+0x81/0xb0 [ 56.224515] [] apic_timer_interrupt+0x9d/0xb0 [ 56.224523] [ 56.224523] [] ? lock_release+0x557/0xc20 [ 56.224529] [] ? find_lock_task_mm+0xf1/0x270 [ 56.224535] [] ? find_lock_task_mm+0xf1/0x270 [ 56.224541] [] find_lock_task_mm+0x15b/0x270 [ 56.224547] [] ? wake_oom_reaper+0xf0/0xf0 [ 56.224552] [] lowmem_scan+0x34f/0xaf0 [ 56.224557] [] ? lowmem_scan+0x24e/0xaf0 [ 56.224563] [] ? check_preemption_disabled+0x3b/0x200 [ 56.224569] [] shrink_slab.part.8+0x3c6/0xa00 [ 56.224576] [] ? unregister_shrinker+0x230/0x230 [ 56.224582] [] shrink_node+0x1ed/0x740 [ 56.224588] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 56.224595] [] ? __delayacct_freepages_start+0x41/0x80 [ 56.224601] [] try_to_free_pages+0x377/0xb80 [ 56.224607] [] ? shrink_node+0x740/0x740 [ 56.224614] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 56.224619] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 56.224626] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 56.224633] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 56.224638] [] ? find_get_entry+0x11a/0x570 [ 56.224649] [] ? find_get_entry+0x141/0x570 [ 56.224655] [] ? page_cache_prev_hole+0x80/0x80 [ 56.224660] [] ? __lock_acquire+0x654/0x4a10 [ 56.224665] [] ? pagecache_get_page+0x131/0x710 [ 56.224671] [] filemap_fault+0xaf1/0x1110 [ 56.224678] [] ext4_filemap_fault+0x71/0xa0 [ 56.224684] [] __do_fault+0x223/0x500 [ 56.224689] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 56.224696] [] ? generic_file_readonly_mmap+0x190/0x190 [ 56.224701] [] handle_mm_fault+0x1326/0x2350 [ 56.224707] [] ? vm_insert_page+0x6f0/0x6f0 [ 56.224715] [] ? kvm_clock_get_cycles+0x9/0x10 [ 56.224721] [] __do_page_fault+0x403/0xa60 [ 56.224727] [] ? bad_area_access_error+0x3a0/0x3a0 [ 56.224735] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.224741] [] do_page_fault+0x27/0x30 [ 56.224746] [] page_fault+0x25/0x30 [ 56.224752] CPU: 1 PID: 2069 Comm: syz-execprog Not tainted 4.9.141+ #1 [ 56.224753] Mem-Info: [ 56.224766] ffff8801db7075c8 [ 56.224766] active_anon:5243 inactive_anon:41 isolated_anon:0 [ 56.224766] active_file:16 inactive_file:30 isolated_file:0 [ 56.224766] unevictable:0 dirty:6 writeback:0 unstable:0 [ 56.224766] slab_reclaimable:4616 slab_unreclaimable:57371 [ 56.224766] mapped:7 shmem:48 pagetables:480 bounce:0 [ 56.224766] free:365 free_pcp:0 free_cma:0 [ 56.224776] ffffffff81b42e79Node 0 active_anon:20972kB inactive_anon:164kB active_file:64kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:24kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:19 all_unreclaimable? yes [ 56.224788] 1ffff1003b6e0ebbDMA32 free:20kB min:4696kB low:7712kB high:10728kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:160kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB ffff8801ce8997c0lowmem_reserve[]: [ 56.224794] 0 ffffffff82a974e0 [ 56.224797] 3505 0000000000000000 3505 0000000002280020 ffff8801db707710Normal free:1440kB min:5580kB low:9168kB high:12756kB active_anon:20912kB inactive_anon:164kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:24kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:229456kB kernel_stack:4160kB pagetables:1920kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: [ 56.224818] ffffffff814fc7c8 [ 56.224819] 0 0000000041b58ab3 0 ffffffff82e37a10 0 ffffffff81427db0DMA32: Call Trace: [ 56.224831] [ 56.224837] 1*4kB [] dump_stack+0xc1/0x128 [ 56.224843] (M) [] warn_alloc.cold.31+0x7f/0x9c [ 56.224849] 2*8kB [] ? zone_watermark_ok_safe+0x250/0x250 [ 56.224855] (M) [] ? trace_hardirqs_on+0xd/0x10 [ 56.224862] 0*16kB [] ? get_page_from_freelist+0x23e/0x1d80 [ 56.224868] 0*32kB [] __alloc_pages_nodemask+0x628/0x1bd0 [ 56.224874] 0*64kB [] ? mark_held_locks+0xc7/0x130 [ 56.224880] 0*128kB [] ? __local_bh_enable_ip+0x6a/0xe0 [ 56.224887] 0*256kB [] ? trace_hardirqs_on_caller+0x266/0x590 [ 56.224894] 0*512kB [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 56.224900] 0*1024kB [] ? ip6_forward_finish+0x4a0/0x4a0 [ 56.224906] 0*2048kB [] ? trace_hardirqs_on+0x10/0x10 [ 56.224913] 0*4096kB [] new_slab+0x367/0x3d0 [ 56.224914] = 20kB [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 56.224926] Normal: [] ? __alloc_skb+0xe6/0x5b0 [ 56.224932] 196*4kB [] ? trace_hardirqs_on+0x10/0x10 [ 56.224938] (UMH) [] ? check_preemption_disabled+0x3b/0x200 [ 56.224945] 34*8kB [] ? __alloc_skb+0xe6/0x5b0 [ 56.224951] (MH) [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 56.224958] 12*16kB [] ? __alloc_skb+0xe6/0x5b0 [ 56.224964] (MH) [] kmem_cache_alloc+0x212/0x2b0 [ 56.224970] 4*32kB [] ? mark_held_locks+0xc7/0x130 [ 56.224976] (MH) [] __alloc_skb+0xe6/0x5b0 [ 56.224982] 1*64kB [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 56.224988] (H) [] ? ipv6_get_ifaddr+0x300/0x510 [ 56.224993] 0*128kB [] ? trace_hardirqs_on+0xd/0x10 [ 56.225004] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 56.225011] 0*256kB [] ndisc_alloc_skb+0x144/0x330 [ 56.225017] 0*512kB [] ndisc_send_rs+0x2ff/0x670 [ 56.225023] 0*1024kB [] ? __ipv6_get_lladdr+0x250/0x250 [ 56.225029] 0*2048kB [] addrconf_rs_timer+0x27e/0x5a0 [ 56.225035] 0*4096kB [] ? ipv6_get_lladdr+0x440/0x440 [ 56.225036] = 1440kB [] call_timer_fn+0x163/0x6e0 [ 56.225042] 94 total pagecache pages [ 56.225047] [] ? call_timer_fn+0xda/0x6e0 [ 56.225048] 0 pages in swap cache [ 56.225052] [] ? ipv6_get_lladdr+0x440/0x440 [ 56.225055] Swap cache stats: add 0, delete 0, find 0/0 [ 56.225059] [] ? process_timeout+0x20/0x20 [ 56.225060] Free swap = 0kB [ 56.225064] [] ? mark_held_locks+0xc7/0x130 [ 56.225065] Total swap = 0kB [ 56.225070] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 56.225071] 1965979 pages RAM [ 56.225075] [] ? ipv6_get_lladdr+0x440/0x440 [ 56.225076] 0 pages HighMem/MovableOnly [ 56.225081] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 56.225082] 313617 pages reserved [ 56.225086] [] ? ipv6_get_lladdr+0x440/0x440 [ 56.225091] [] expire_timers+0x234/0x580 [ 56.225095] [] ? collect_expired_timers+0x1d5/0x2b0 [ 56.225100] [] run_timer_softirq+0x208/0x5e0 [ 56.225104] [] ? expire_timers+0x580/0x580 [ 56.225109] [] ? check_preemption_disabled+0x3b/0x200 [ 56.225115] [] __do_softirq+0x20e/0x964 [ 56.225120] [] ? check_preemption_disabled+0x3b/0x200 [ 56.225124] [] irq_exit+0x11c/0x150 [ 56.225130] [] smp_apic_timer_interrupt+0x81/0xb0 [ 56.225134] [] apic_timer_interrupt+0x9d/0xb0 [ 56.225144] [ 56.225145] [] ? lock_acquire+0x173/0x3e0 [ 56.225150] [] ? find_lock_task_mm+0xf1/0x270 [ 56.225155] [] ? check_preemption_disabled+0x3b/0x200 [ 56.225160] [] ? wake_oom_reaper+0xf0/0xf0 [ 56.225167] [] _raw_spin_lock+0x36/0x50 [ 56.225172] [] ? find_lock_task_mm+0xf1/0x270 [ 56.225177] [] find_lock_task_mm+0xf1/0x270 [ 56.225182] [] ? wake_oom_reaper+0xf0/0xf0 [ 56.225186] [] lowmem_scan+0x34f/0xaf0 [ 56.225190] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 56.225194] [] ? lowmem_scan+0x24e/0xaf0 [ 56.225198] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 56.225203] [] ? check_preemption_disabled+0x3b/0x200 [ 56.225210] [] shrink_slab.part.8+0x3c6/0xa00 [ 56.225213] node 0: slabs: 581, objs: 6972, free: 0 [ 56.225218] [] ? unregister_shrinker+0x230/0x230 [ 56.225225] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 56.225232] [] shrink_node+0x1ed/0x740 [ 56.225233] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 56.225240] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 56.225247] [] ? __delayacct_freepages_start+0x41/0x80 [ 56.225253] [] try_to_free_pages+0x377/0xb80 [ 56.225260] [] ? shrink_node+0x740/0x740 [ 56.225268] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 56.225274] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 56.225280] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 56.225286] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 56.225292] [] ? find_get_entry+0x11a/0x570 [ 56.225298] [] ? find_get_entry+0x141/0x570 [ 56.225303] [] ? page_cache_prev_hole+0x80/0x80 [ 56.225311] [] ? futex_wait_queue_me+0x24b/0x5c0 [ 56.225318] [] ? pagecache_get_page+0x131/0x710 [ 56.225325] [] filemap_fault+0xaf1/0x1110 [ 56.225331] [] ext4_filemap_fault+0x71/0xa0 [ 56.225337] [] __do_fault+0x223/0x500 [ 56.225342] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 56.225349] [] ? generic_file_readonly_mmap+0x190/0x190 [ 56.225356] [] handle_mm_fault+0x1326/0x2350 [ 56.225362] [] ? vm_insert_page+0x6f0/0x6f0 [ 56.225369] [] ? kvm_clock_read+0x23/0x40 [ 56.225376] [] ? kvm_clock_get_cycles+0x9/0x10 [ 56.225383] [] __do_page_fault+0x403/0xa60 [ 56.225389] [] ? bad_area_access_error+0x3a0/0x3a0 [ 56.225396] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.225402] [] do_page_fault+0x27/0x30 [ 56.225407] [] page_fault+0x25/0x30 [ 56.225409] Mem-Info: [ 56.225421] active_anon:5243 inactive_anon:41 isolated_anon:0 [ 56.225421] active_file:16 inactive_file:30 isolated_file:0 [ 56.225421] unevictable:0 dirty:6 writeback:0 unstable:0 [ 56.225421] slab_reclaimable:4616 slab_unreclaimable:57371 [ 56.225421] mapped:7 shmem:48 pagetables:480 bounce:0 [ 56.225421] free:365 free_pcp:0 free_cma:0 [ 56.225430] Node 0 active_anon:20972kB inactive_anon:164kB active_file:64kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:24kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:19 all_unreclaimable? yes [ 56.225444] DMA32 free:20kB min:4696kB low:7712kB high:10728kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:160kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 56.225474] Normal free:1440kB min:5580kB low:9168kB high:12756kB active_anon:20912kB inactive_anon:164kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:24kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:229456kB kernel_stack:4160kB pagetables:1920kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 56.225511] DMA32: 1*4kB (M) 2*8kB (M) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB [ 56.225512] lowmemorykiller: Killing 'syz-executor.1' (2236) (tgid 2235), adj 1000, [ 56.225512] to free 132kB on behalf of 'syz-executor.0' (2098) because [ 56.225512] cache 184kB is below limit 6144kB for oom_score_adj 0 [ 56.225512] Free memory is -36044kB above reserved [ 56.225517] 0*2048kB 0*4096kB = 20kB Normal: 196*4kB (UMH) 34*8kB (MH) 12*16kB (MH) 4*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1440kB 94 total pagecache pages [ 56.225555] 0 pages in swap cache [ 56.225559] Swap cache stats: add 0, delete 0, find 0/0 [ 56.225561] Free swap = 0kB [ 56.225562] Total swap = 0kB [ 56.225565] 1965979 pages RAM [ 56.225566] 0 pages HighMem/MovableOnly [ 56.225568] 313617 pages reserved [ 56.225574] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 56.225579] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 56.225584] node 0: slabs: 581, objs: 6972, free: 0 [ 56.225588] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 56.303990] syz-executor.3: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 56.303998] CPU: 1 PID: 2256 Comm: syz-executor.3 Not tainted 4.9.141+ #1 [ 56.304012] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb ffff8801c7892f80 [ 56.304018] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 56.304025] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 56.304026] Call Trace: [ 56.304040] [ 56.304041] [] dump_stack+0xc1/0x128 [ 56.304048] [] warn_alloc.cold.31+0x7f/0x9c [ 56.304055] [] ? zone_watermark_ok_safe+0x250/0x250 [ 56.304061] [] ? get_page_from_freelist+0x23e/0x1d80 ** 111 printk messages dropped ** [ 56.304665] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 ** 174 printk messages dropped ** [ 56.384314] [] apic_timer_interrupt+0x9d/0xb0 [ 56.384320] [ 56.384320] [] ? lock_release+0x557/0xc20 [ 56.384328] [] ? list_lru_count_one+0x39/0x80 [ 56.384333] [] ? list_lru_count_one+0x60/0x80 [ 56.384337] [] _raw_spin_unlock+0x1a/0x50 [ 56.384342] [] list_lru_count_one+0x60/0x80 ** 1 printk messages dropped ** [ 56.384354] [] shrink_slab.part.8+0x1cf/0xa00 [ 56.384359] [] ? unregister_shrinker+0x230/0x230 [ 56.384364] [] ? _raw_spin_unlock_irqrestore+0x5a/0x70 [ 56.384369] [] shrink_node+0x1ed/0x740 [ 56.384374] [] ? shrink_node_memcg.isra.19+0x12e0/0x12e0 [ 56.384381] [] ? __delayacct_freepages_start+0x41/0x80 [ 56.384386] [] try_to_free_pages+0x377/0xb80 [ 56.384391] [] ? shrink_node+0x740/0x740 [ 56.384397] [] __alloc_pages_nodemask+0x981/0x1bd0 [ 56.384401] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 56.384407] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 56.384413] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 56.384418] [] ? find_get_entry+0x11a/0x570 [ 56.384422] [] ? find_get_entry+0x141/0x570 [ 56.384427] [] ? page_cache_prev_hole+0x80/0x80 [ 56.384431] [] ? pagecache_get_page+0x131/0x710 [ 56.384436] [] filemap_fault+0xaf1/0x1110 [ 56.384442] [] ext4_filemap_fault+0x71/0xa0 [ 56.384448] [] __do_fault+0x223/0x500 [ 56.384452] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 56.384458] [] ? generic_file_readonly_mmap+0x190/0x190 [ 56.384463] [] handle_mm_fault+0x1326/0x2350 [ 56.384467] [] ? vm_insert_page+0x6f0/0x6f0 [ 56.384472] [] ? hrtimer_nanosleep+0x38c/0x550 [ 56.384478] [] __do_page_fault+0x403/0xa60 [ 56.384483] [] ? bad_area_access_error+0x3a0/0x3a0 [ 56.384489] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.384493] [] do_page_fault+0x27/0x30 [ 56.384498] [] page_fault+0x25/0x30 [ 56.384500] Mem-Info: [ 56.384512] active_anon:5243 inactive_anon:41 isolated_anon:0 [ 56.384512] active_file:16 inactive_file:30 isolated_file:0 [ 56.384512] unevictable:0 dirty:6 writeback:0 unstable:0 [ 56.384512] slab_reclaimable:4616 slab_unreclaimable:57371 [ 56.384512] mapped:7 shmem:48 pagetables:480 bounce:0 [ 56.384512] free:365 free_pcp:0 free_cma:0 [ 56.384521] Node 0 active_anon:20972kB inactive_anon:164kB active_file:64kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:24kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:19 all_unreclaimable? yes [ 56.384533] DMA32 free:20kB min:4696kB low:7712kB high:10728kB active_anon:60kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:160kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 56.384550] Normal free:1440kB min:5580kB low:9168kB high:12756kB active_anon:20912kB inactive_anon:164kB active_file:64kB inactive_file:120kB unevictable:0kB writepending:24kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18464kB slab_unreclaimable:229456kB kernel_stack:4160kB pagetables:1920kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 56.384576] DMA32: 1*4kB (M) 2*8kB (M) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 20kB Normal: 196*4kB (UMH) 34*8kB (MH) 12*16kB (MH) 4*32kB (MH) 1*64kB (H) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1440kB 94 total pagecache pages [ 56.384602] 0 pages in swap cache [ 56.384605] Swap cache stats: add 0, delete 0, find 0/0 [ 56.384606] Free swap = 0kB [ 56.384607] Total swap = 0kB [ 56.384609] 1965979 pages RAM [ 56.384610] 0 pages HighMem/MovableOnly [ 56.384611] 313617 pages reserved [ 56.384617] SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) [ 56.384620] cache: skbuff_head_cache, object size: 224, buffer size: 320, default order: 0, min order: 0 [ 56.384624] node 0: slabs: 581, objs: 6972, free: 0 [ 56.384629] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 56.463999] syz-executor.0: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) [ 56.464006] CPU: 1 PID: 2272 Comm: syz-executor.0 Not tainted 4.9.141+ #1 [ 56.464021] ffff8801db7075c8 ffffffff81b42e79 1ffff1003b6e0ebb dffffc0000000000 [ 56.464031] ffffffff82a974e0 0000000000000000 0000000002280020 ffff8801db707710 [ 56.464039] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 56.464040] Call Trace: [ 56.464057] [ 56.464057] [] dump_stack+0xc1/0x128 [ 56.464066] [] warn_alloc.cold.31+0x7f/0x9c [ 56.464075] [] ? zone_watermark_ok_safe+0x250/0x250 [ 56.464082] [] ? get_page_from_freelist+0x23e/0x1d80 [ 56.464091] [] __alloc_pages_nodemask+0x628/0x1bd0 [ 56.464100] [] ? __lock_acquire+0x654/0x4a10 [ 56.464108] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 56.464115] [] ? trace_hardirqs_on+0x10/0x10 [ 56.464122] [] ? trace_hardirqs_on_caller+0x266/0x590 [ 56.464131] [] ? _find_next_bit.part.0+0xe0/0x120 [ 56.464139] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 56.464147] [] new_slab+0x367/0x3d0 [ 56.464156] [] ___slab_alloc.constprop.33+0x2ed/0x470 [ 56.464165] [] ? __alloc_skb+0xe6/0x5b0 [ 56.464170] [] ? trace_hardirqs_on+0x10/0x10 [ 56.464178] [] ? __enqueue_entity+0x138/0x230 [ 56.464187] [] ? check_preemption_disabled+0x3b/0x200 [ 56.464194] [] ? __alloc_skb+0xe6/0x5b0 [ 56.464202] [] __slab_alloc.isra.25.constprop.32+0x50/0xa0 [ 56.464210] [] ? __alloc_skb+0xe6/0x5b0 [ 56.464217] [] kmem_cache_alloc+0x212/0x2b0 [ 56.464224] [] ? mark_held_locks+0xc7/0x130 [ 56.464231] [] __alloc_skb+0xe6/0x5b0 [ 56.464239] [] ? __kmalloc_reserve.isra.5+0xc0/0xc0 [ 56.464247] [] ? ipv6_get_ifaddr+0x300/0x510 [ 56.464253] [] ? trace_hardirqs_on+0xd/0x10 [ 56.464262] [] ? __local_bh_enable_ip+0x6a/0xe0 [ 56.464270] [] ndisc_alloc_skb+0x144/0x330 [ 56.464278] [] ndisc_send_rs+0x2ff/0x670 [ 56.464285] [] ? __ipv6_get_lladdr+0x250/0x250 [ 56.464292] [] addrconf_rs_timer+0x27e/0x5a0 [ 56.464298] [] ? ipv6_get_lladdr+0x440/0x440 [ 56.464306] [] call_timer_fn+0x163/0x6e0 ** 10 printk messages dropped ** [ 56.464381] [] ? collect_expired_timers+0x1d5/0x2b0 ** 226 printk messages dropped ** [ 56.625263] [] ? process_timeout+0x20/0x20 ** 110 printk messages dropped ** [ 72.660181] ffff8801ce4977c0 ffffffff81b42e79 1ffff10039c92efa ffff8801d0b5c740 ** 95 printk messages dropped ** [ 72.798706] udevd: page allocation stalls for 10050ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 72.798714] CPU: 1 PID: 636 Comm: udevd Not tainted 4.9.141+ #1 [ 72.798728] ffff8801ccb077c0 ffffffff81b42e79 1ffff10039960efa ffff8801cde72f80 [ 72.798739] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801ccb07908 [ 72.798748] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 ** 2 printk messages dropped ** [ 72.798773] [] warn_alloc.cold.31+0x7f/0x9c [ 72.798782] [] ? zone_watermark_ok_safe+0x250/0x250 [ 72.798790] [] ? shrink_node+0x740/0x740 [ 72.798799] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 72.798807] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 72.798816] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 72.798824] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 72.798831] [] ? find_get_entry+0x11a/0x570 [ 72.798838] [] ? find_get_entry+0x141/0x570 [ 72.798845] [] ? page_cache_prev_hole+0x80/0x80 [ 72.798852] [] ? pagecache_get_page+0x131/0x710 [ 72.798860] [] filemap_fault+0xaf1/0x1110 [ 72.798868] [] ext4_filemap_fault+0x71/0xa0 [ 72.798875] [] __do_fault+0x223/0x500 [ 72.798888] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 72.798896] [] ? generic_file_readonly_mmap+0x190/0x190 [ 72.798903] [] handle_mm_fault+0x1326/0x2350 [ 72.798911] [] ? vm_insert_page+0x6f0/0x6f0 [ 72.798918] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 72.798927] [] __do_page_fault+0x403/0xa60 [ 72.798935] [] ? bad_area_access_error+0x3a0/0x3a0 [ 72.798944] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.798951] [] do_page_fault+0x27/0x30 [ 72.798958] [] page_fault+0x25/0x30 [ 72.798962] Mem-Info: [ 72.798978] active_anon:5213 inactive_anon:41 isolated_anon:0 [ 72.798978] active_file:22 inactive_file:30 isolated_file:0 [ 72.798978] unevictable:0 dirty:0 writeback:0 unstable:0 [ 72.798978] slab_reclaimable:4620 slab_unreclaimable:56893 [ 72.798978] mapped:23 shmem:48 pagetables:467 bounce:0 [ 72.798978] free:5972 free_pcp:149 free_cma:0 [ 72.798991] Node 0 active_anon:20852kB inactive_anon:164kB active_file:88kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 72.799008] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:80kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:4kB slab_unreclaimable:152kB kernel_stack:128kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 72.799034] Normal free:5220kB min:5580kB low:9168kB high:12756kB active_anon:20772kB inactive_anon:164kB active_file:88kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18476kB slab_unreclaimable:227420kB kernel_stack:4096kB pagetables:1868kB bounce:0kB free_pcp:476kB local_pcp:240kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 72.799089] DMA32: 3*4kB (UME) 2*8kB (UE) 3*16kB (UE) 7*32kB (UME) 7*64kB (UME) 4*128kB (UME) 6*256kB (ME) 5*512kB (UME) 3*1024kB (ME) 5*2048kB (U) 0*4096kB = 18668kB Normal: 189*4kB (UMH) 116*8kB (UMH) 79*16kB (MH) 43*32kB (MH) 10*64kB (MH) 2*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5220kB 103 total pagecache pages [ 72.799134] 0 pages in swap cache [ 72.799138] Swap cache stats: add 0, delete 0, find 0/0 [ 72.799140] Free swap = 0kB [ 72.799142] Total swap = 0kB [ 72.799145] 1965979 pages RAM [ 72.799147] 0 pages HighMem/MovableOnly [ 72.799149] 313617 pages reserved [ 72.836098] rsyslogd: page allocation stalls for 10070ms, order:0, mode:0x24201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD) [ 72.836107] CPU: 1 PID: 1906 Comm: rsyslogd Not tainted 4.9.141+ #1 [ 72.836122] ffff8801d3b7f7c0 ffffffff81b42e79 1ffff1003a76fefa ffff8801d385af80 [ 72.836132] ffffffff82a97480 0000000000000001 0000000000400000 ffff8801d3b7f908 [ 72.836142] ffffffff814fc7c8 0000000041b58ab3 ffffffff82e37a10 ffffffff81427db0 [ 72.836144] Call Trace: [ 72.836158] [] dump_stack+0xc1/0x128 [ 72.836167] [] warn_alloc.cold.31+0x7f/0x9c [ 72.836177] [] ? zone_watermark_ok_safe+0x250/0x250 [ 72.836185] [] ? shrink_node+0x740/0x740 [ 72.836194] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 72.836202] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 72.836211] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 72.836220] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 72.836227] [] ? find_get_entry+0x11a/0x570 [ 72.836234] [] ? find_get_entry+0x141/0x570 [ 72.836241] [] ? page_cache_prev_hole+0x80/0x80 [ 72.836250] [] ? autoremove_wake_function+0x40/0x40 [ 72.836257] [] ? pagecache_get_page+0x131/0x710 [ 72.836265] [] filemap_fault+0xaf1/0x1110 [ 72.836273] [] ext4_filemap_fault+0x71/0xa0 [ 72.836280] [] __do_fault+0x223/0x500 [ 72.836287] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 72.836296] [] ? generic_file_readonly_mmap+0x190/0x190 [ 72.836303] [] handle_mm_fault+0x1326/0x2350 [ 72.836310] [] ? vm_insert_page+0x6f0/0x6f0 [ 72.836317] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 72.836327] [] __do_page_fault+0x403/0xa60 [ 72.836334] [] ? bad_area_access_error+0x3a0/0x3a0 [ 72.836344] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.836351] [] do_page_fault+0x27/0x30 [ 72.836360] [] page_fault+0x25/0x30 [ 72.836363] Mem-Info: [ 72.836379] active_anon:5213 inactive_anon:41 isolated_anon:0 [ 72.836379] active_file:22 inactive_file:30 isolated_file:0 [ 72.836379] unevictable:0 dirty:0 writeback:0 unstable:0 [ 72.836379] slab_reclaimable:4620 slab_unreclaimable:56893 [ 72.836379] mapped:23 shmem:48 pagetables:467 bounce:0 [ 72.836379] free:5972 free_pcp:149 free_cma:0 [ 72.836392] Node 0 active_anon:20852kB inactive_anon:164kB active_file:88kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 72.836411] DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:80kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:4kB slab_unreclaimable:152kB kernel_stack:128kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 72.836438] Normal free:5220kB min:5580kB low:9168kB high:12756kB active_anon:20772kB inactive_anon:164kB active_file:88kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18476kB slab_unreclaimable:227420kB kernel_stack:4096kB pagetables:1868kB bounce:0kB free_pcp:476kB local_pcp:240kB free_cma:0kB ** 436 printk messages dropped ** [ 82.812471] [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 82.812479] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 82.812487] [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 82.812495] [] ? check_preemption_disabled+0x3b/0x200 [ 82.812502] [] ? find_get_entry+0x11a/0x570 [ 82.812513] [] ? find_get_entry+0x141/0x570 [ 82.812520] [] ? page_cache_prev_hole+0x80/0x80 [ 82.812528] [] ? autoremove_wake_function+0x40/0x40 [ 82.812534] [] ? pagecache_get_page+0x131/0x710 [ 82.812541] [] filemap_fault+0xaf1/0x1110 [ 82.812549] [] ext4_filemap_fault+0x71/0xa0 [ 82.812555] [] __do_fault+0x223/0x500 [ 82.812562] [] ? do_page_mkwrite+0x3e0/0x3e0 [ 82.812568] [] ? handle_mm_fault+0x1d4f/0x2350 [ 82.812575] [] handle_mm_fault+0x1326/0x2350 [ 82.812582] [] ? vm_insert_page+0x6f0/0x6f0 [ 82.812588] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 82.812596] [] __do_page_fault+0x403/0xa60 [ 82.812603] [] ? bad_area_access_error+0x3a0/0x3a0 [ 82.812612] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 82.812617] [] do_page_fault+0x27/0x30 [ 82.812625] [] page_fault+0x25/0x30 [ 82.812628] Mem-Info: [ 82.812633] CPU: 1 PID: 635 Comm: udevd Not tainted 4.9.141+ #1 [ 82.812643] active_anon:5213 inactive_anon:41 isolated_anon:0 [ 82.812643] active_file:22 inactive_file:30 isolated_file:0 [ 82.812643] unevictable:0 dirty:0 writeback:0 unstable:0 [ 82.812643] slab_reclaimable:4620 slab_unreclaimable:56894 [ 82.812643] mapped:23 shmem:48 pagetables:467 bounce:0 [ 82.812643] free:5972 free_pcp:147 free_cma:0 [ 82.812653] ffff8801ccaf77c0 [ 82.812654] Node 0 active_anon:20852kB inactive_anon:164kB active_file:88kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 82.812667] ffffffff81b42e79DMA32 free:18668kB min:4696kB low:7712kB high:10728kB active_anon:80kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:4kB slab_unreclaimable:152kB kernel_stack:128kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB 1ffff1003995eefalowmem_reserve[]: [ 82.812674] ffff8801cde717c0 0 3505 ffffffff82a97480 [ 82.812680] 3505 0000000000000001 0000000000400000Normal free:5220kB min:5580kB low:9168kB high:12756kB active_anon:20772kB inactive_anon:164kB active_file:88kB inactive_file:120kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:18476kB slab_unreclaimable:227424kB kernel_stack:4096kB pagetables:1868kB bounce:0kB free_pcp:468kB local_pcp:232kB free_cma:0kB ffff8801ccaf7908lowmem_reserve[]: [ 82.812701] 0 ffffffff814fc7c8 [ 82.812704] 0 0000000041b58ab3 0 ffffffff82e37a10 ffffffff81427db0DMA32: Call Trace: [ 82.812720] 3*4kB [] dump_stack+0xc1/0x128 [ 82.812726] (UME) [] warn_alloc.cold.31+0x7f/0x9c [ 82.812733] 2*8kB [] ? zone_watermark_ok_safe+0x250/0x250 [ 82.812739] (UE) [] ? shrink_node+0x740/0x740 [ 82.812747] 3*16kB [] __alloc_pages_nodemask+0x1566/0x1bd0 [ 82.812753] (UE) [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 82.812761] 7*32kB [] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 82.812768] [] ? radix_tree_lookup_slot+0x85/0xc0 [ 82.812774] (UME) [] ? find_get_entry+0x11a/0x570 [ 82.812780] 7*64kB [] ? find_get_entry+0x141/0x570 [ 82.812786] (UME) [] ? page_cache_prev_hole+0x80/0x80 [ 82.812793] 4*128kB [