[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 10.772235] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 11.299063] random: crng init done Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.50' (ECDSA) to the list of known hosts. 2019/04/09 08:34:33 parsed 1 programs 2019/04/09 08:34:35 executed programs: 0 syzkaller login: [ 67.165726] audit: type=1400 audit(1554798877.861:5): avc: denied { associate } for pid=2097 comm="syz-executor.2" name="syz2" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 69.113740] lowmemorykiller: Killing 'syz-executor.3' (2991) (tgid 2986), adj 1000, [ 69.113740] to free 904kB on behalf of 'syz-executor.3' (3002) because [ 69.113740] cache 53340kB is below limit 65536kB for oom_score_adj 12 [ 69.113740] Free memory is -13268kB above reserved [ 69.122075] lowmemorykiller: Killing 'syz-executor.3' (2991) (tgid 2986), adj 1000, [ 69.122075] to free 904kB on behalf of 'kswapd0' (33) because [ 69.122075] cache 52340kB is below limit 65536kB for oom_score_adj 12 [ 69.122075] Free memory is -12288kB above reserved [ 70.278023] syz-executor.5 invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 [ 70.398503] lowmemorykiller: Killing 'syz-executor.3' (2991) (tgid 2986), adj 1000, [ 70.398503] to free 132kB on behalf of 'syz-executor.4' (3023) because [ 70.398503] cache 188kB is below limit 6144kB for oom_score_adj 0 [ 70.398503] Free memory is -13436kB above reserved [ 70.398515] lowmemorykiller: Killing 'syz-executor.3' (2991) (tgid 2986), adj 1000, [ 70.398515] to free 132kB on behalf of 'syz-executor.2' (2972) because [ 70.398515] cache 188kB is below limit 6144kB for oom_score_adj 0 [ 70.398515] Free memory is -13436kB above reserved [ 71.083741] CPU: 0 PID: 2100 Comm: syz-executor.5 Not tainted 4.9.168+ #39 [ 71.090797] ffff8801cd8af6f0 ffffffff81b4f5d1 ffff8801cd8afa48 ffffffff833ee230 [ 71.099091] 0000000000000000 ffff8801cd8afa60 0000000000000000 ffff8801cd8af770 [ 71.107158] ffffffff815011eb 0000000000000000 0000000000000000 ffffffff8280fe15 [ 71.115232] Call Trace: [ 71.117820] [<00000000cff0836e>] dump_stack+0xc1/0x120 [ 71.123223] [<00000000d7f74d0c>] dump_header.isra.0+0x142/0x74c [ 71.129483] [<00000000131acba3>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 71.136412] [<00000000990d4f2c>] ? ___ratelimit+0x55/0x413 [ 71.142122] [<000000006b92a657>] oom_kill_process.cold+0xd/0xa74 [ 71.148350] [<000000001e6f7e85>] ? check_preemption_disabled+0x3c/0x200 [ 71.155274] [<0000000016dea484>] ? out_of_memory+0x6bc/0xeb0 [ 71.161198] [<00000000661b349b>] out_of_memory+0x29b/0xeb0 [ 71.166902] [<000000002ff99591>] ? out_of_memory+0x405/0xeb0 [ 71.172787] [<00000000a3c7d22c>] ? oom_killer_disable+0x210/0x210 [ 71.179101] [<000000007772a636>] ? trace_hardirqs_on+0xd/0x10 [ 71.185068] [<0000000024ec04f2>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 71.191905] [<00000000e43af575>] __alloc_pages_nodemask+0x1730/0x1a80 [ 71.198573] [<0000000020e0f869>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 71.205237] [<00000000759f8345>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 71.212015] [<0000000018088c9b>] ? find_get_entry+0x2a9/0x510 [ 71.217985] [<00000000431f7217>] ? find_get_entry+0x2d0/0x510 [ 71.223958] [<00000000551e463c>] ? page_cache_prev_hole+0x80/0x80 [ 71.230277] [<00000000485bc5c8>] pagecache_get_page+0x248/0x740 [ 71.236417] [<0000000096776358>] filemap_fault+0xb1f/0x1360 [ 71.242215] [<0000000023549ba6>] ext4_filemap_fault+0x72/0xa0 [ 71.248210] [<000000001be2820f>] __do_fault+0x2a8/0x6c0 [ 71.253660] [<000000005164864c>] ? do_page_mkwrite+0x400/0x400 [ 71.259731] [<00000000a593ee1c>] ? generic_file_readonly_mmap+0x190/0x190 [ 71.267032] [<0000000037bc1586>] handle_mm_fault+0x11bc/0x2420 [ 71.273090] [<00000000099c1dfe>] ? debug_object_free+0x1c9/0x340 [ 71.279322] [<000000003ed61b53>] ? vm_insert_page+0x840/0x840 [ 71.285290] [<0000000009a90f6b>] ? vmacache_find+0x59/0x280 [ 71.291085] [<00000000cbfae921>] __do_page_fault+0x3f0/0xa60 [ 71.297221] [<000000001ae028d6>] ? bad_area_access_error+0x3d0/0x3d0 [ 71.303804] [<000000000e5dca9a>] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 71.310556] [<00000000bdebdc1c>] do_page_fault+0x28/0x30 [ 71.316098] [<00000000dfc56492>] page_fault+0x25/0x30 [ 71.408514] lowmemorykiller: Killing 'syz-executor.3' (2991) (tgid 2986), adj 1000, [ 71.408514] to free 132kB on behalf of 'syz-executor.5' (3011) because [ 71.408514] cache 188kB is below limit 6144kB for oom_score_adj 0 [ 71.408514] Free memory is -13436kB above reserved [ 71.408624] lowmemorykiller: Killing 'syz-executor.3' (2991) (tgid 2986), adj 1000, [ 71.408624] to free 132kB on behalf of 'getty' (2074) because [ 71.408624] cache 188kB is below limit 6144kB for oom_score_adj 0 [ 71.408624] Free memory is -13436kB above reserved [ 71.771632] Mem-Info: [ 71.771653] active_anon:5442 inactive_anon:41 isolated_anon:0 [ 71.771653] active_file:18 inactive_file:29 isolated_file:0 [ 71.771653] unevictable:0 dirty:12 writeback:0 unstable:0 [ 71.771653] slab_reclaimable:3961 slab_unreclaimable:58771 [ 71.771653] mapped:2 shmem:48 pagetables:453 bounce:0 [ 71.771653] free:6017 free_pcp:84 free_cma:0 [ 71.771667] Node 0 active_anon:21768kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:48kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2047 all_unreclaimable? yes [ 71.771693] DMA32 free:18600kB min:4696kB low:7712kB high:10728kB active_anon:32kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020112kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 71.771721] Normal free:5468kB min:5580kB low:9168kB high:12756kB active_anon:21736kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB writepending:48kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15844kB slab_unreclaimable:235056kB kernel_stack:4416kB pagetables:1812kB bounce:0kB free_pcp:216kB local_pcp:96kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 71.771818] DMA32: 6*4kB (UM) 2*8kB (UM) 4*16kB (UM) 0*32kB 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18600kB Normal: 297*4kB (MEH) 137*8kB (UMEH) 55*16kB (UMH) 40*32kB (MH) 14*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5468kB 95 total pagecache pages [ 71.771864] 0 pages in swap cache [ 71.771868] Swap cache stats: add 0, delete 0, find 0/0 [ 71.771870] Free swap = 0kB [ 71.771872] Total swap = 0kB [ 71.771874] 1965979 pages RAM [ 71.771877] 0 pages HighMem/MovableOnly [ 71.771879] 313622 pages reserved [ 71.771881] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 71.771901] [ 470] 0 470 5417 210 16 3 0 -1000 udevd [ 71.771912] [ 636] 0 636 5416 212 15 3 0 -1000 udevd [ 71.771949] [ 637] 0 637 5482 270 15 3 0 -1000 udevd [ 71.771961] [ 1771] 0 1771 2492 573 9 3 0 0 dhclient [ 71.771972] [ 1904] 0 1904 14231 108 23 3 0 0 rsyslogd [ 71.771982] [ 1957] 0 1957 4724 50 16 3 0 0 cron [ 71.771993] [ 1977] 0 1977 3734 44 11 3 0 0 mcstransd [ 71.772003] [ 1979] 0 1979 12926 1231 28 3 0 0 restorecond [ 71.772014] [ 2005] 0 2005 12489 153 29 3 0 -1000 sshd [ 71.772024] [ 2035] 0 2035 3648 40 13 3 0 0 getty [ 71.772035] [ 2072] 0 2072 3648 42 13 3 0 0 getty [ 71.772045] [ 2073] 0 2073 3648 44 13 3 0 0 getty [ 71.772055] [ 2074] 0 2074 3648 42 13 3 0 0 getty [ 71.772066] [ 2075] 0 2075 3648 42 13 3 0 0 getty [ 71.772078] [ 2076] 0 2076 3648 41 13 3 0 0 getty [ 71.772087] [ 2077] 0 2077 3648 43 13 3 0 0 getty [ 71.772098] [ 2078] 0 2078 17820 197 39 3 0 0 sshd [ 71.772108] [ 2080] 0 2080 33594 1773 28 5 0 0 syz-execprog [ 71.772119] [ 2093] 0 2093 9376 16 5 2 0 0 syz-executor.2 [ 71.772129] [ 2095] 0 2095 9376 17 5 2 0 0 syz-executor.3 [ 71.772140] [ 2096] 0 2096 9376 15 5 2 0 0 syz-executor.5 [ 71.772150] [ 2097] 0 2097 9376 16 6 3 0 0 syz-executor.2 [ 71.772160] [ 2098] 0 2098 9376 17 6 3 0 0 syz-executor.3 [ 71.772170] [ 2099] 0 2099 9376 15 5 2 0 0 syz-executor.4 [ 71.772181] [ 2100] 0 2100 9376 15 6 3 0 0 syz-executor.5 [ 71.772191] [ 2103] 0 2103 9376 15 5 2 0 0 syz-executor.1 [ 71.772202] [ 2104] 0 2104 9376 16 5 2 0 0 syz-executor.0 [ 71.772212] [ 2105] 0 2105 9376 15 6 3 0 0 syz-executor.4 [ 71.772223] [ 2106] 0 2106 9376 15 6 3 0 0 syz-executor.1 [ 71.772233] [ 2108] 0 2108 9376 16 6 3 0 0 syz-executor.0 [ 71.772246] [ 2957] 0 2952 9506 32 9 4 0 1000 syz-executor.2 [ 71.772256] [ 2960] 0 2960 9506 32 9 4 0 1000 syz-executor.2 [ 71.772267] [ 2991] 0 2986 9506 33 9 4 0 1000 syz-executor.3 [ 71.772279] [ 2993] 0 2989 9506 32 9 4 0 1000 syz-executor.0 [ 71.772290] [ 2992] 0 2992 9506 33 9 4 0 1000 syz-executor.3 [ 71.772301] [ 2995] 0 2995 9506 32 9 4 0 1000 syz-executor.0 [ 71.772313] [ 3003] 0 3001 9506 31 10 4 0 1000 syz-executor.5 [ 71.772324] [ 3006] 0 3006 9506 31 10 4 0 1000 syz-executor.5 [ 71.772336] [ 3015] 0 3014 9506 31 9 4 0 1000 syz-executor.1 [ 71.772348] [ 3017] 0 3017 9506 31 9 4 0 1000 syz-executor.1 [ 71.772359] [ 3020] 0 3018 9506 31 9 4 0 1000 syz-executor.4 [ 71.772370] [ 3021] 0 3021 9506 31 9 4 0 1000 syz-executor.4 [ 71.772385] Out of memory: Kill process 2986 (syz-executor.3) score 999 or sacrifice child [ 71.772808] Killed process 2992 (syz-executor.3) total-vm:38024kB, anon-rss:132kB, file-rss:0kB, shmem-rss:0kB [ 71.914305] oom_reaper: reaped process 2992 (syz-executor.3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 71.924025] syz-executor.3 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 71.924035] CPU: 1 PID: 2991 Comm: syz-executor.3 Not tainted 4.9.168+ #39 [ 71.924053] ffff8801b76ef6c0 ffffffff81b4f5d1 ffff8801b76efa18 ffffffff833ee230 [ 71.924064] 00000000000003e8 ffff8801b76efa30 0000000000000000 ffff8801b76ef740 [ 71.924075] ffffffff815011eb 0000000000000000 00000000000003e8 ffffffff8280fe15 [ 71.924077] Call Trace: [ 71.924091] [<00000000cff0836e>] dump_stack+0xc1/0x120 [ 71.924102] [<00000000d7f74d0c>] dump_header.isra.0+0x142/0x74c [ 71.924114] [<00000000131acba3>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 71.924122] [<00000000990d4f2c>] ? ___ratelimit+0x55/0x413 [ 71.924130] [<000000006b92a657>] oom_kill_process.cold+0xd/0xa74 [ 71.924140] [<000000001e6f7e85>] ? check_preemption_disabled+0x3c/0x200 [ 71.924150] [<0000000016dea484>] ? out_of_memory+0x6bc/0xeb0 [ 71.924158] [<00000000661b349b>] out_of_memory+0x29b/0xeb0 [ 71.924166] [<000000002ff99591>] ? out_of_memory+0x405/0xeb0 [ 71.924183] [<00000000a3c7d22c>] ? oom_killer_disable+0x210/0x210 [ 71.924192] [<000000007772a636>] ? trace_hardirqs_on+0xd/0x10 [ 71.924201] [<0000000024ec04f2>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 71.924210] [<00000000e43af575>] __alloc_pages_nodemask+0x1730/0x1a80 [ 71.924219] [<0000000020e0f869>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 71.924227] [<000000002228fef0>] ? retint_kernel+0x2d/0x2d [ 71.924237] [<000000004c920a40>] __vmalloc_node_range+0x25b/0x610 [ 71.924247] [<0000000022e94520>] ? xt_alloc_table_info+0xc8/0x100 [ 71.924254] [<0000000048069a05>] vmalloc+0x5c/0x70 [ 71.924262] [<0000000022e94520>] ? xt_alloc_table_info+0xc8/0x100 [ 71.924270] [<0000000022e94520>] xt_alloc_table_info+0xc8/0x100 [ 71.924280] [<000000000aaf9fb0>] do_ipt_set_ctl+0x22b/0x470 [ 71.924288] [<00000000a10534d7>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 71.924297] [<00000000af6cd1ac>] ? mutex_unlock+0x9/0x10 [ 71.924306] [<000000003064b149>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 71.924314] [<00000000d6bd7aba>] nf_setsockopt+0x6d/0xc0 [ 71.924324] [<0000000016f19f55>] ip_setsockopt+0x8a/0xa0 [ 71.924333] [<0000000038551d5c>] udp_setsockopt+0x4e/0x90 [ 71.924342] [<00000000bb580eec>] ipv6_setsockopt+0xa4/0x140 [ 71.924350] [<0000000095dad68a>] tcp_setsockopt+0x8a/0xe0 [ 71.924360] [<000000007476900b>] sock_common_setsockopt+0x9a/0xe0 [ 71.924368] [<00000000144ce533>] SyS_setsockopt+0x159/0x240 [ 71.924376] [<00000000d1d115c8>] ? SyS_recv+0x40/0x40 [ 71.924385] [<000000002f1b9845>] ? SyS_clock_gettime+0x118/0x1f0 [ 71.924393] [<00000000543e60d4>] ? do_syscall_64+0x4a/0x570 [ 71.924400] [<00000000d1d115c8>] ? SyS_recv+0x40/0x40 [ 71.924407] [<0000000012209b9a>] do_syscall_64+0x1ad/0x570 [ 71.924416] [<00000000d39fbed4>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 71.924419] Mem-Info: [ 71.924438] active_anon:5442 inactive_anon:41 isolated_anon:0 [ 71.924438] active_file:18 inactive_file:29 isolated_file:0 [ 71.924438] unevictable:0 dirty:12 writeback:0 unstable:0 [ 71.924438] slab_reclaimable:3961 slab_unreclaimable:58771 [ 71.924438] mapped:2 shmem:48 pagetables:453 bounce:0 [ 71.924438] free:6025 free_pcp:105 free_cma:0 [ 71.924453] Node 0 active_anon:21768kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:48kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 71.924472] DMA32 free:18600kB min:4696kB low:7712kB high:10728kB active_anon:32kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020112kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 71.924501] Normal free:5500kB min:5580kB low:9168kB high:12756kB active_anon:21736kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB writepending:48kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15844kB slab_unreclaimable:235056kB kernel_stack:4384kB pagetables:1812kB bounce:0kB free_pcp:300kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 71.924561] DMA32: 6*4kB (UM) 2*8kB (UM) 4*16kB (UM) 0*32kB 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18600kB Normal: 297*4kB (MEH) 137*8kB (UMEH) 55*16kB (UMH) 41*32kB (UMH) 14*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5500kB 95 total pagecache pages [ 71.924610] 0 pages in swap cache [ 71.924614] Swap cache stats: add 0, delete 0, find 0/0 [ 71.924616] Free swap = 0kB [ 71.924618] Total swap = 0kB [ 71.924620] 1965979 pages RAM [ 71.924622] 0 pages HighMem/MovableOnly [ 71.924624] 313622 pages reserved [ 71.924626] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 71.924643] [ 470] 0 470 5417 210 16 3 0 -1000 udevd [ 71.924654] [ 636] 0 636 5416 212 15 3 0 -1000 udevd [ 71.924666] [ 637] 0 637 5482 270 15 3 0 -1000 udevd [ 71.924676] [ 1771] 0 1771 2492 573 9 3 0 0 dhclient [ 71.924688] [ 1904] 0 1904 14231 108 23 3 0 0 rsyslogd [ 71.924698] [ 1957] 0 1957 4724 50 16 3 0 0 cron [ 71.924709] [ 1977] 0 1977 3734 44 11 3 0 0 mcstransd [ 71.924720] [ 1979] 0 1979 12926 1231 28 3 0 0 restorecond [ 71.924731] [ 2005] 0 2005 12489 153 29 3 0 -1000 sshd [ 71.924741] [ 2035] 0 2035 3648 40 13 3 0 0 getty [ 71.924752] [ 2072] 0 2072 3648 42 13 3 0 0 getty [ 71.924762] [ 2073] 0 2073 3648 44 13 3 0 0 getty [ 71.924773] [ 2074] 0 2074 3648 42 13 3 0 0 getty [ 71.924783] [ 2075] 0 2075 3648 42 13 3 0 0 getty [ 71.924794] [ 2076] 0 2076 3648 41 13 3 0 0 getty [ 71.924805] [ 2077] 0 2077 3648 43 13 3 0 0 getty [ 71.924815] [ 2078] 0 2078 17820 197 39 3 0 0 sshd [ 71.924825] [ 2080] 0 2080 33594 1773 28 5 0 0 syz-execprog [ 71.924836] [ 2093] 0 2093 9376 16 5 2 0 0 syz-executor.2 [ 71.924846] [ 2095] 0 2095 9376 17 5 2 0 0 syz-executor.3 [ 71.924857] [ 2096] 0 2096 9376 15 5 2 0 0 syz-executor.5 [ 71.924874] [ 2097] 0 2097 9376 16 6 3 0 0 syz-executor.2 [ 71.924884] [ 2098] 0 2098 9376 17 6 3 0 0 syz-executor.3 [ 71.924895] [ 2099] 0 2099 9376 15 5 2 0 0 syz-executor.4 [ 71.924906] [ 2100] 0 2100 9376 15 6 3 0 0 syz-executor.5 [ 71.924917] [ 2103] 0 2103 9376 15 5 2 0 0 syz-executor.1 [ 71.924927] [ 2104] 0 2104 9376 16 5 2 0 0 syz-executor.0 [ 71.924938] [ 2105] 0 2105 9376 15 6 3 0 0 syz-executor.4 [ 71.924949] [ 2106] 0 2106 9376 15 6 3 0 0 syz-executor.1 [ 71.924959] [ 2108] 0 2108 9376 16 6 3 0 0 syz-executor.0 [ 71.924971] [ 2957] 0 2952 9506 32 9 4 0 1000 syz-executor.2 [ 71.924982] [ 2960] 0 2960 9506 32 9 4 0 1000 syz-executor.2 [ 71.924993] [ 2991] 0 2986 9506 0 9 4 0 1000 syz-executor.3 [ 71.925005] [ 2993] 0 2989 9506 32 9 4 0 1000 syz-executor.0 [ 71.925017] [ 2995] 0 2995 9506 32 9 4 0 1000 syz-executor.0 [ 71.925029] [ 3003] 0 3001 9506 31 10 4 0 1000 syz-executor.5 [ 71.925040] [ 3006] 0 3006 9506 31 10 4 0 1000 syz-executor.5 [ 71.925052] [ 3015] 0 3014 9506 31 9 4 0 1000 syz-executor.1 [ 71.925063] [ 3017] 0 3017 9506 31 9 4 0 1000 syz-executor.1 [ 71.925076] [ 3020] 0 3018 9506 31 9 4 0 1000 syz-executor.4 [ 71.925087] [ 3021] 0 3021 9506 31 9 4 0 1000 syz-executor.4 [ 71.925100] Out of memory: Kill process 2952 (syz-executor.2) score 999 or sacrifice child [ 71.926193] Killed process 2960 (syz-executor.2) total-vm:38024kB, anon-rss:128kB, file-rss:0kB, shmem-rss:0kB [ 72.006840] oom_reaper: reaped process 2960 (syz-executor.2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 72.007199] syz-executor.2 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 72.007208] CPU: 0 PID: 2957 Comm: syz-executor.2 Not tainted 4.9.168+ #39 [ 72.007226] ffff8801d754f6c0 ffffffff81b4f5d1 ffff8801d754fa18 ffffffff833ee230 [ 72.007237] 00000000000003e8 ffff8801d754fa30 0000000000000000 ffff8801d754f740 [ 72.007248] ffffffff815011eb 0000000000000000 00000000000003e8 ffffffff8280fe15 [ 72.007250] Call Trace: [ 72.007264] [<00000000cff0836e>] dump_stack+0xc1/0x120 [ 72.007275] [<00000000d7f74d0c>] dump_header.isra.0+0x142/0x74c [ 72.007286] [<00000000131acba3>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 72.007295] [<00000000990d4f2c>] ? ___ratelimit+0x55/0x413 [ 72.007303] [<000000006b92a657>] oom_kill_process.cold+0xd/0xa74 [ 72.007313] [<000000001e6f7e85>] ? check_preemption_disabled+0x3c/0x200 [ 72.007323] [<0000000016dea484>] ? out_of_memory+0x6bc/0xeb0 [ 72.007331] [<00000000661b349b>] out_of_memory+0x29b/0xeb0 [ 72.007338] [<000000002ff99591>] ? out_of_memory+0x405/0xeb0 [ 72.007347] [<00000000a3c7d22c>] ? oom_killer_disable+0x210/0x210 [ 72.007355] [<000000007772a636>] ? trace_hardirqs_on+0xd/0x10 [ 72.007364] [<0000000024ec04f2>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 72.007373] [<00000000e43af575>] __alloc_pages_nodemask+0x1730/0x1a80 [ 72.007383] [<0000000020e0f869>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 72.007390] [<000000002228fef0>] ? retint_kernel+0x2d/0x2d [ 72.007400] [<000000004c920a40>] __vmalloc_node_range+0x25b/0x610 [ 72.007410] [<0000000022e94520>] ? xt_alloc_table_info+0xc8/0x100 [ 72.007418] [<0000000048069a05>] vmalloc+0x5c/0x70 [ 72.007425] [<0000000022e94520>] ? xt_alloc_table_info+0xc8/0x100 [ 72.007433] [<0000000022e94520>] xt_alloc_table_info+0xc8/0x100 [ 72.007443] [<000000000aaf9fb0>] do_ipt_set_ctl+0x22b/0x470 [ 72.007451] [<00000000a10534d7>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 72.007460] [<00000000af6cd1ac>] ? mutex_unlock+0x9/0x10 [ 72.007470] [<000000003064b149>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 72.007477] [<00000000d6bd7aba>] nf_setsockopt+0x6d/0xc0 [ 72.007487] [<0000000016f19f55>] ip_setsockopt+0x8a/0xa0 [ 72.007496] [<0000000038551d5c>] udp_setsockopt+0x4e/0x90 [ 72.007506] [<00000000bb580eec>] ipv6_setsockopt+0xa4/0x140 [ 72.007513] [<0000000095dad68a>] tcp_setsockopt+0x8a/0xe0 [ 72.007523] [<000000007476900b>] sock_common_setsockopt+0x9a/0xe0 [ 72.007531] [<00000000144ce533>] SyS_setsockopt+0x159/0x240 [ 72.007539] [<00000000d1d115c8>] ? SyS_recv+0x40/0x40 [ 72.007548] [<000000002f1b9845>] ? SyS_clock_gettime+0x118/0x1f0 [ 72.007556] [<00000000543e60d4>] ? do_syscall_64+0x4a/0x570 [ 72.007563] [<00000000d1d115c8>] ? SyS_recv+0x40/0x40 [ 72.007570] [<0000000012209b9a>] do_syscall_64+0x1ad/0x570 [ 72.007578] [<00000000d39fbed4>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 72.007582] Mem-Info: [ 72.007600] active_anon:5442 inactive_anon:41 isolated_anon:0 [ 72.007600] active_file:18 inactive_file:29 isolated_file:0 [ 72.007600] unevictable:0 dirty:12 writeback:0 unstable:0 [ 72.007600] slab_reclaimable:3961 slab_unreclaimable:58771 [ 72.007600] mapped:2 shmem:48 pagetables:453 bounce:0 [ 72.007600] free:6025 free_pcp:127 free_cma:0 [ 72.007614] Node 0 active_anon:21768kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:48kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 72.007633] DMA32 free:18600kB min:4696kB low:7712kB high:10728kB active_anon:32kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020112kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 72.007661] Normal free:5500kB min:5580kB low:9168kB high:12756kB active_anon:21736kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB writepending:48kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15844kB slab_unreclaimable:235056kB kernel_stack:4352kB pagetables:1812kB bounce:0kB free_pcp:388kB local_pcp:180kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 72.007728] DMA32: 6*4kB (UM) 2*8kB (UM) 4*16kB (UM) 0*32kB 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18600kB Normal: 297*4kB (MEH) 137*8kB (UMEH) 55*16kB (UMH) 42*32kB (UMH) 14*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5532kB 95 total pagecache pages [ 72.007777] 0 pages in swap cache [ 72.007781] Swap cache stats: add 0, delete 0, find 0/0 [ 72.007783] Free swap = 0kB [ 72.007785] Total swap = 0kB [ 72.007788] 1965979 pages RAM [ 72.007790] 0 pages HighMem/MovableOnly [ 72.007792] 313622 pages reserved [ 72.007795] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 72.007811] [ 470] 0 470 5417 210 16 3 0 -1000 udevd [ 72.007823] [ 636] 0 636 5416 212 15 3 0 -1000 udevd [ 72.007834] [ 637] 0 637 5482 270 15 3 0 -1000 udevd [ 72.007845] [ 1771] 0 1771 2492 573 9 3 0 0 dhclient [ 72.007856] [ 1904] 0 1904 14231 108 23 3 0 0 rsyslogd [ 72.007866] [ 1957] 0 1957 4724 50 16 3 0 0 cron [ 72.007877] [ 1977] 0 1977 3734 44 11 3 0 0 mcstransd [ 72.007888] [ 1979] 0 1979 12926 1231 28 3 0 0 restorecond [ 72.007899] [ 2005] 0 2005 12489 153 29 3 0 -1000 sshd [ 72.007909] [ 2035] 0 2035 3648 40 13 3 0 0 getty [ 72.007919] [ 2072] 0 2072 3648 42 13 3 0 0 getty [ 72.007930] [ 2073] 0 2073 3648 44 13 3 0 0 getty [ 72.007940] [ 2074] 0 2074 3648 42 13 3 0 0 getty [ 72.007950] [ 2075] 0 2075 3648 42 13 3 0 0 getty [ 72.007961] [ 2076] 0 2076 3648 41 13 3 0 0 getty [ 72.007971] [ 2077] 0 2077 3648 43 13 3 0 0 getty [ 72.007982] [ 2078] 0 2078 17820 197 39 3 0 0 sshd [ 72.007992] [ 2080] 0 2080 33594 1773 28 5 0 0 syz-execprog [ 72.008003] [ 2093] 0 2093 9376 16 5 2 0 0 syz-executor.2 [ 72.008013] [ 2095] 0 2095 9376 17 5 2 0 0 syz-executor.3 [ 72.008024] [ 2096] 0 2096 9376 15 5 2 0 0 syz-executor.5 [ 72.008034] [ 2097] 0 2097 9376 16 6 3 0 0 syz-executor.2 [ 72.008045] [ 2098] 0 2098 9376 17 6 3 0 0 syz-executor.3 [ 72.008055] [ 2099] 0 2099 9376 15 5 2 0 0 syz-executor.4 [ 72.008065] [ 2100] 0 2100 9376 15 6 3 0 0 syz-executor.5 [ 72.008076] [ 2103] 0 2103 9376 15 5 2 0 0 syz-executor.1 [ 72.008086] [ 2104] 0 2104 9376 16 5 2 0 0 syz-executor.0 [ 72.008097] [ 2105] 0 2105 9376 15 6 3 0 0 syz-executor.4 [ 72.008107] [ 2106] 0 2106 9376 15 6 3 0 0 syz-executor.1 [ 72.008118] [ 2108] 0 2108 9376 16 6 3 0 0 syz-executor.0 [ 72.008129] [ 2957] 0 2952 9506 0 9 4 0 1000 syz-executor.2 [ 72.008141] [ 2991] 0 2986 9506 0 9 4 0 1000 syz-executor.3 [ 72.008153] [ 2993] 0 2989 9506 32 9 4 0 1000 syz-executor.0 [ 72.008165] [ 2995] 0 2995 9506 32 9 4 0 1000 syz-executor.0 [ 72.008175] [ 3003] 0 3001 9506 31 10 4 0 1000 syz-executor.5 [ 72.008187] [ 3006] 0 3006 9506 31 10 4 0 1000 syz-executor.5 [ 72.008198] [ 3015] 0 3014 9506 31 9 4 0 1000 syz-executor.1 [ 72.008209] [ 3017] 0 3017 9506 31 9 4 0 1000 syz-executor.1 [ 72.008220] [ 3020] 0 3018 9506 31 9 4 0 1000 syz-executor.4 [ 72.008229] [ 3021] 0 3021 9506 31 9 4 0 1000 syz-executor.4 [ 72.008241] Out of memory: Kill process 2989 (syz-executor.0) score 999 or sacrifice child [ 72.008291] Killed process 2995 (syz-executor.0) total-vm:38024kB, anon-rss:128kB, file-rss:0kB, shmem-rss:0kB [ 72.103003] oom_reaper: reaped process 2995 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 72.108234] syz-executor.2 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 72.108246] CPU: 0 PID: 2957 Comm: syz-executor.2 Not tainted 4.9.168+ #39 [ 72.108265] ffff8801d754f6c0 ffffffff81b4f5d1 ffff8801d754fa18 ffffffff833ee230 [ 72.108275] 00000000000003e8 ffff8801d754fa30 0000000000000000 ffff8801d754f740 [ 72.108285] ffffffff815011eb 0000000000000000 00000000000003e8 ffffffff8280fe15 [ 72.108287] Call Trace: [ 72.108307] [<00000000cff0836e>] dump_stack+0xc1/0x120 [ 72.108329] [<00000000d7f74d0c>] dump_header.isra.0+0x142/0x74c [ 72.108344] [<00000000131acba3>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 72.108354] [<00000000990d4f2c>] ? ___ratelimit+0x55/0x413 [ 72.108362] [<000000006b92a657>] oom_kill_process.cold+0xd/0xa74 [ 72.108375] [<000000001e6f7e85>] ? check_preemption_disabled+0x3c/0x200 [ 72.108385] [<0000000016dea484>] ? out_of_memory+0x6bc/0xeb0 [ 72.108393] [<00000000661b349b>] out_of_memory+0x29b/0xeb0 [ 72.108400] [<000000002ff99591>] ? out_of_memory+0x405/0xeb0 [ 72.108409] [<00000000a3c7d22c>] ? oom_killer_disable+0x210/0x210 [ 72.108418] [<000000007772a636>] ? trace_hardirqs_on+0xd/0x10 [ 72.108427] [<0000000024ec04f2>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 72.108435] [<00000000e43af575>] __alloc_pages_nodemask+0x1730/0x1a80 [ 72.108444] [<0000000020e0f869>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 72.108452] [<000000002228fef0>] ? retint_kernel+0x2d/0x2d [ 72.108461] [<000000004c920a40>] __vmalloc_node_range+0x25b/0x610 [ 72.108471] [<0000000022e94520>] ? xt_alloc_table_info+0xc8/0x100 [ 72.108478] [<0000000048069a05>] vmalloc+0x5c/0x70 [ 72.108486] [<0000000022e94520>] ? xt_alloc_table_info+0xc8/0x100 [ 72.108493] [<0000000022e94520>] xt_alloc_table_info+0xc8/0x100 [ 72.108504] [<000000000aaf9fb0>] do_ipt_set_ctl+0x22b/0x470 [ 72.108511] [<00000000a10534d7>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 72.108519] [<00000000af6cd1ac>] ? mutex_unlock+0x9/0x10 [ 72.108530] [<000000003064b149>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 72.108537] [<00000000d6bd7aba>] nf_setsockopt+0x6d/0xc0 [ 72.108547] [<0000000016f19f55>] ip_setsockopt+0x8a/0xa0 [ 72.108556] [<0000000038551d5c>] udp_setsockopt+0x4e/0x90 [ 72.108566] [<00000000bb580eec>] ipv6_setsockopt+0xa4/0x140 [ 72.108574] [<0000000095dad68a>] tcp_setsockopt+0x8a/0xe0 [ 72.108585] [<000000007476900b>] sock_common_setsockopt+0x9a/0xe0 [ 72.108593] [<00000000144ce533>] SyS_setsockopt+0x159/0x240 [ 72.108601] [<00000000d1d115c8>] ? SyS_recv+0x40/0x40 [ 72.108610] [<000000002f1b9845>] ? SyS_clock_gettime+0x118/0x1f0 [ 72.108631] [<00000000543e60d4>] ? do_syscall_64+0x4a/0x570 [ 72.108638] [<00000000d1d115c8>] ? SyS_recv+0x40/0x40 [ 72.108645] [<0000000012209b9a>] do_syscall_64+0x1ad/0x570 [ 72.108653] [<00000000d39fbed4>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 72.108732] Mem-Info: [ 72.108752] active_anon:5417 inactive_anon:41 isolated_anon:0 [ 72.108752] active_file:18 inactive_file:29 isolated_file:0 [ 72.108752] unevictable:0 dirty:12 writeback:0 unstable:0 [ 72.108752] slab_reclaimable:3961 slab_unreclaimable:58771 [ 72.108752] mapped:2 shmem:48 pagetables:453 bounce:0 [ 72.108752] free:6025 free_pcp:149 free_cma:0 [ 72.108767] Node 0 active_anon:21668kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:48kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 72.108787] DMA32 free:18600kB min:4696kB low:7712kB high:10728kB active_anon:32kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020112kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 72.108813] Normal free:5500kB min:5580kB low:9168kB high:12756kB active_anon:21636kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB writepending:48kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15844kB slab_unreclaimable:235056kB kernel_stack:4320kB pagetables:1812kB bounce:0kB free_pcp:476kB local_pcp:268kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 72.108870] DMA32: 6*4kB (UM) 2*8kB (UM) 4*16kB (UM) 0*32kB 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18600kB Normal: 297*4kB (MEH) 137*8kB (UMEH) 55*16kB (UMH) 43*32kB (UMH) 14*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5564kB 95 total pagecache pages [ 72.108917] 0 pages in swap cache [ 72.108921] Swap cache stats: add 0, delete 0, find 0/0 [ 72.108923] Free swap = 0kB [ 72.108925] Total swap = 0kB [ 72.108928] 1965979 pages RAM [ 72.108930] 0 pages HighMem/MovableOnly [ 72.108932] 313622 pages reserved [ 72.108935] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 72.108955] [ 470] 0 470 5417 210 16 3 0 -1000 udevd [ 72.108966] [ 636] 0 636 5416 212 15 3 0 -1000 udevd [ 72.108977] [ 637] 0 637 5482 270 15 3 0 -1000 udevd [ 72.108987] [ 1771] 0 1771 2492 573 9 3 0 0 dhclient [ 72.108998] [ 1904] 0 1904 14231 108 23 3 0 0 rsyslogd [ 72.109009] [ 1957] 0 1957 4724 50 16 3 0 0 cron [ 72.109019] [ 1977] 0 1977 3734 44 11 3 0 0 mcstransd [ 72.109029] [ 1979] 0 1979 12926 1231 28 3 0 0 restorecond [ 72.109040] [ 2005] 0 2005 12489 153 29 3 0 -1000 sshd [ 72.109051] [ 2035] 0 2035 3648 40 13 3 0 0 getty [ 72.109062] [ 2072] 0 2072 3648 42 13 3 0 0 getty [ 72.109072] [ 2073] 0 2073 3648 44 13 3 0 0 getty [ 72.109083] [ 2074] 0 2074 3648 42 13 3 0 0 getty [ 72.109093] [ 2075] 0 2075 3648 42 13 3 0 0 getty [ 72.109104] [ 2076] 0 2076 3648 41 13 3 0 0 getty [ 72.109114] [ 2077] 0 2077 3648 43 13 3 0 0 getty [ 72.109124] [ 2078] 0 2078 17820 197 39 3 0 0 sshd [ 72.109135] [ 2080] 0 2080 33594 1773 28 5 0 0 syz-execprog [ 72.109146] [ 2093] 0 2093 9376 16 5 2 0 0 syz-executor.2 [ 72.109156] [ 2095] 0 2095 9376 17 5 2 0 0 syz-executor.3 [ 72.109167] [ 2096] 0 2096 9376 15 5 2 0 0 syz-executor.5 [ 72.109176] [ 2097] 0 2097 9376 16 6 3 0 0 syz-executor.2 [ 72.109187] [ 2098] 0 2098 9376 17 6 3 0 0 syz-executor.3 [ 72.109197] [ 2099] 0 2099 9376 15 5 2 0 0 syz-executor.4 [ 72.109208] [ 2100] 0 2100 9376 15 6 3 0 0 syz-executor.5 [ 72.109220] [ 2103] 0 2103 9376 15 5 2 0 0 syz-executor.1 [ 72.109230] [ 2104] 0 2104 9376 16 5 2 0 0 syz-executor.0 [ 72.109241] [ 2105] 0 2105 9376 15 6 3 0 0 syz-executor.4 [ 72.109251] [ 2106] 0 2106 9376 15 6 3 0 0 syz-executor.1 [ 72.109262] [ 2108] 0 2108 9376 16 6 3 0 0 syz-executor.0 [ 72.109274] [ 2957] 0 2952 9506 0 9 4 0 1000 syz-executor.2 [ 72.109287] [ 2991] 0 2986 9506 0 9 4 0 1000 syz-executor.3 [ 72.109300] [ 2993] 0 2989 9506 0 9 4 0 1000 syz-executor.0 [ 72.109317] [ 3003] 0 3001 9506 31 10 4 0 1000 syz-executor.5 [ 72.109328] [ 3006] 0 3006 9506 31 10 4 0 1000 syz-executor.5 [ 72.109339] [ 3015] 0 3014 9506 31 9 4 0 1000 syz-executor.1 [ 72.109351] [ 3017] 0 3017 9506 31 9 4 0 1000 syz-executor.1 [ 72.109363] [ 3020] 0 3018 9506 31 9 4 0 1000 syz-executor.4 [ 72.109374] [ 3021] 0 3021 9506 31 9 4 0 1000 syz-executor.4 [ 72.109388] Out of memory: Kill process 3001 (syz-executor.5) score 999 or sacrifice child [ 72.109465] Killed process 3006 (syz-executor.5) total-vm:38024kB, anon-rss:124kB, file-rss:0kB, shmem-rss:0kB [ 72.125122] oom_reaper: reaped process 3006 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 72.125724] syz-executor.2 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 72.125733] CPU: 1 PID: 2972 Comm: syz-executor.2 Not tainted 4.9.168+ #39 [ 72.125751] ffff8801bc40f6c0 ffffffff81b4f5d1 ffff8801bc40fa18 ffffffff833ee230 [ 72.125762] 00000000000003e8 ffff8801bc40fa30 0000000000000000 ffff8801bc40f740 [ 72.125773] ffffffff815011eb 0000000000000000 00000000000003e8 ffffffff8280fe15 [ 72.125775] Call Trace: [ 72.125789] [<00000000cff0836e>] dump_stack+0xc1/0x120 [ 72.125800] [<00000000d7f74d0c>] dump_header.isra.0+0x142/0x74c [ 72.125811] [<00000000131acba3>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 72.125819] [<00000000990d4f2c>] ? ___ratelimit+0x55/0x413 [ 72.125828] [<000000006b92a657>] oom_kill_process.cold+0xd/0xa74 [ 72.125838] [<000000001e6f7e85>] ? check_preemption_disabled+0x3c/0x200 [ 72.125847] [<0000000016dea484>] ? out_of_memory+0x6bc/0xeb0 [ 72.125856] [<00000000661b349b>] out_of_memory+0x29b/0xeb0 [ 72.125863] [<000000002ff99591>] ? out_of_memory+0x405/0xeb0 [ 72.125872] [<00000000a3c7d22c>] ? oom_killer_disable+0x210/0x210 [ 72.125880] [<000000007772a636>] ? trace_hardirqs_on+0xd/0x10 [ 72.125890] [<0000000024ec04f2>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 72.125899] [<00000000e43af575>] __alloc_pages_nodemask+0x1730/0x1a80 [ 72.125908] [<0000000020e0f869>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 72.125916] [<000000002228fef0>] ? retint_kernel+0x2d/0x2d [ 72.125925] [<000000004c920a40>] __vmalloc_node_range+0x25b/0x610 [ 72.125934] [<0000000022e94520>] ? xt_alloc_table_info+0xc8/0x100 [ 72.125942] [<0000000048069a05>] vmalloc+0x5c/0x70 [ 72.125950] [<0000000022e94520>] ? xt_alloc_table_info+0xc8/0x100 [ 72.125958] [<0000000022e94520>] xt_alloc_table_info+0xc8/0x100 [ 72.125967] [<000000000aaf9fb0>] do_ipt_set_ctl+0x22b/0x470 [ 72.125976] [<00000000a10534d7>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 72.125985] [<00000000af6cd1ac>] ? mutex_unlock+0x9/0x10 [ 72.126002] [<000000003064b149>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 72.126010] [<00000000d6bd7aba>] nf_setsockopt+0x6d/0xc0 [ 72.126019] [<0000000016f19f55>] ip_setsockopt+0x8a/0xa0 [ 72.126028] [<0000000038551d5c>] udp_setsockopt+0x4e/0x90 [ 72.126037] [<00000000bb580eec>] ipv6_setsockopt+0xa4/0x140 [ 72.126045] [<0000000095dad68a>] tcp_setsockopt+0x8a/0xe0 [ 72.126055] [<000000007476900b>] sock_common_setsockopt+0x9a/0xe0 [ 72.126063] [<00000000144ce533>] SyS_setsockopt+0x159/0x240 [ 72.126071] [<00000000d1d115c8>] ? SyS_recv+0x40/0x40 [ 72.126083] [<000000002f1b9845>] ? SyS_clock_gettime+0x118/0x1f0 [ 72.126091] [<00000000511a9276>] ? fput+0xd4/0x150 [ 72.126099] [<00000000543e60d4>] ? do_syscall_64+0x4a/0x570 [ 72.126106] [<00000000d1d115c8>] ? SyS_recv+0x40/0x40 [ 72.126113] [<0000000012209b9a>] do_syscall_64+0x1ad/0x570 [ 72.126121] [<00000000d39fbed4>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 72.126125] Mem-Info: [ 72.126144] active_anon:5392 inactive_anon:41 isolated_anon:0 [ 72.126144] active_file:18 inactive_file:29 isolated_file:0 [ 72.126144] unevictable:0 dirty:12 writeback:0 unstable:0 [ 72.126144] slab_reclaimable:3961 slab_unreclaimable:58771 [ 72.126144] mapped:2 shmem:48 pagetables:453 bounce:0 [ 72.126144] free:6025 free_pcp:171 free_cma:0 [ 72.126158] Node 0 active_anon:21568kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:48kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 72.126184] DMA32 free:18600kB min:4696kB low:7712kB high:10728kB active_anon:32kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020112kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 72.126212] Normal free:5500kB min:5580kB low:9168kB high:12756kB active_anon:21536kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB writepending:48kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15844kB slab_unreclaimable:235056kB kernel_stack:4288kB pagetables:1812kB bounce:0kB free_pcp:564kB local_pcp:208kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 72.126272] DMA32: 6*4kB (UM) 2*8kB (UM) 4*16kB (UM) 0*32kB 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18600kB Normal: 297*4kB (MEH) 137*8kB (UMEH) 55*16kB (UMH) 44*32kB (UMH) 14*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5596kB 95 total pagecache pages [ 72.126321] 0 pages in swap cache [ 72.126326] Swap cache stats: add 0, delete 0, find 0/0 [ 72.126328] Free swap = 0kB [ 72.126330] Total swap = 0kB [ 72.126332] 1965979 pages RAM [ 72.126334] 0 pages HighMem/MovableOnly [ 72.126337] 313622 pages reserved [ 72.126339] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 72.126355] [ 470] 0 470 5417 210 16 3 0 -1000 udevd [ 72.126366] [ 636] 0 636 5416 212 15 3 0 -1000 udevd [ 72.126378] [ 637] 0 637 5482 270 15 3 0 -1000 udevd [ 72.126389] [ 1771] 0 1771 2492 573 9 3 0 0 dhclient [ 72.126400] [ 1904] 0 1904 14231 108 23 3 0 0 rsyslogd [ 72.126410] [ 1957] 0 1957 4724 50 16 3 0 0 cron [ 72.126421] [ 1977] 0 1977 3734 44 11 3 0 0 mcstransd [ 72.126432] [ 1979] 0 1979 12926 1231 28 3 0 0 restorecond [ 72.126443] [ 2005] 0 2005 12489 153 29 3 0 -1000 sshd [ 72.126453] [ 2035] 0 2035 3648 40 13 3 0 0 getty [ 72.126464] [ 2072] 0 2072 3648 42 13 3 0 0 getty [ 72.126474] [ 2073] 0 2073 3648 44 13 3 0 0 getty [ 72.126485] [ 2074] 0 2074 3648 42 13 3 0 0 getty [ 72.126495] [ 2075] 0 2075 3648 42 13 3 0 0 getty [ 72.126506] [ 2076] 0 2076 3648 41 13 3 0 0 getty [ 72.126516] [ 2077] 0 2077 3648 43 13 3 0 0 getty [ 72.126527] [ 2078] 0 2078 17820 197 39 3 0 0 sshd [ 72.126537] [ 2080] 0 2080 33594 1773 28 5 0 0 syz-execprog [ 72.126548] [ 2093] 0 2093 9376 16 5 2 0 0 syz-executor.2 [ 72.126559] [ 2095] 0 2095 9376 17 5 2 0 0 syz-executor.3 [ 72.126569] [ 2096] 0 2096 9376 15 5 2 0 0 syz-executor.5 [ 72.126580] [ 2097] 0 2097 9376 16 6 3 0 0 syz-executor.2 [ 72.126591] [ 2098] 0 2098 9376 17 6 3 0 0 syz-executor.3 [ 72.126601] [ 2099] 0 2099 9376 15 5 2 0 0 syz-executor.4 [ 72.126612] [ 2100] 0 2100 9376 15 6 3 0 0 syz-executor.5 [ 72.126622] [ 2103] 0 2103 9376 15 5 2 0 0 syz-executor.1 [ 72.126633] [ 2104] 0 2104 9376 16 5 2 0 0 syz-executor.0 [ 72.126643] [ 2105] 0 2105 9376 15 6 3 0 0 syz-executor.4 [ 72.126654] [ 2106] 0 2106 9376 15 6 3 0 0 syz-executor.1 [ 72.126664] [ 2108] 0 2108 9376 16 6 3 0 0 syz-executor.0 [ 72.126676] [ 2957] 0 2952 9506 0 9 4 0 1000 syz-executor.2 [ 72.126688] [ 2991] 0 2986 9506 0 9 4 0 1000 syz-executor.3 [ 72.126699] [ 2993] 0 2989 9506 0 9 4 0 1000 syz-executor.0 [ 72.126714] [ 3003] 0 3001 9506 0 10 4 0 1000 syz-executor.5 [ 72.126727] [ 3015] 0 3014 9506 31 9 4 0 1000 syz-executor.1 [ 72.126738] [ 3017] 0 3017 9506 31 9 4 0 1000 syz-executor.1 [ 72.126749] [ 3020] 0 3018 9506 31 9 4 0 1000 syz-executor.4 [ 72.126760] [ 3021] 0 3021 9506 31 9 4 0 1000 syz-executor.4 [ 72.126772] Out of memory: Kill process 3014 (syz-executor.1) score 999 or sacrifice child [ 72.126824] Killed process 3017 (syz-executor.1) total-vm:38024kB, anon-rss:124kB, file-rss:0kB, shmem-rss:0kB [ 72.284168] oom_reaper: reaped process 3017 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 72.287654] syz-executor.3 invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 [ 72.287755] CPU: 1 PID: 2098 Comm: syz-executor.3 Not tainted 4.9.168+ #39 [ 72.287975] ffff8801cda176f0 ffffffff81b4f5d1 ffff8801cda17a48 ffffffff833ee230 [ 72.288165] 0000000000000000 ffff8801cda17a60 0000000000000000 ffff8801cda17770 [ 72.288217] ffffffff815011eb 0000000000000000 0000000000000000 ffffffff8280fe15 [ 72.288219] Call Trace: [ 72.288233] [<00000000cff0836e>] dump_stack+0xc1/0x120 [ 72.288247] [<00000000d7f74d0c>] dump_header.isra.0+0x142/0x74c [ 72.288258] [<00000000131acba3>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 72.288266] [<00000000990d4f2c>] ? ___ratelimit+0x55/0x413 [ 72.288275] [<000000006b92a657>] oom_kill_process.cold+0xd/0xa74 [ 72.288285] [<000000001e6f7e85>] ? check_preemption_disabled+0x3c/0x200 [ 72.288295] [<0000000016dea484>] ? out_of_memory+0x6bc/0xeb0 [ 72.288303] [<00000000661b349b>] out_of_memory+0x29b/0xeb0 [ 72.288311] [<000000002ff99591>] ? out_of_memory+0x405/0xeb0 [ 72.288324] [<00000000a3c7d22c>] ? oom_killer_disable+0x210/0x210 [ 72.288332] [<000000007772a636>] ? trace_hardirqs_on+0xd/0x10 [ 72.288340] [<0000000024ec04f2>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 72.288347] [<00000000e43af575>] __alloc_pages_nodemask+0x1730/0x1a80 [ 72.288354] [<0000000020e0f869>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 72.288361] [<00000000759f8345>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 72.288368] [<0000000018088c9b>] ? find_get_entry+0x2a9/0x510 [ 72.288374] [<00000000431f7217>] ? find_get_entry+0x2d0/0x510 [ 72.288380] [<00000000551e463c>] ? page_cache_prev_hole+0x80/0x80 [ 72.288386] [<00000000485bc5c8>] pagecache_get_page+0x248/0x740 [ 72.288393] [<0000000096776358>] filemap_fault+0xb1f/0x1360 [ 72.288401] [<0000000023549ba6>] ext4_filemap_fault+0x72/0xa0 [ 72.288409] [<000000001be2820f>] __do_fault+0x2a8/0x6c0 [ 72.288416] [<000000005164864c>] ? do_page_mkwrite+0x400/0x400 [ 72.288425] [<00000000a593ee1c>] ? generic_file_readonly_mmap+0x190/0x190 [ 72.288433] [<0000000037bc1586>] handle_mm_fault+0x11bc/0x2420 [ 72.288441] [<00000000099c1dfe>] ? debug_object_free+0x1c9/0x340 [ 72.288449] [<000000003ed61b53>] ? vm_insert_page+0x840/0x840 [ 72.288459] [<0000000009a90f6b>] ? vmacache_find+0x59/0x280 [ 72.288469] [<00000000cbfae921>] __do_page_fault+0x3f0/0xa60 [ 72.288477] [<000000001ae028d6>] ? bad_area_access_error+0x3d0/0x3d0 [ 72.288487] [<000000000e5dca9a>] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.288495] [<00000000bdebdc1c>] do_page_fault+0x28/0x30 [ 72.288503] [<00000000dfc56492>] page_fault+0x25/0x30 [ 72.418540] lowmemorykiller: Killing 'syz-executor.4' (3020) (tgid 3018), adj 1000, [ 72.418540] to free 124kB on behalf of 'syz-executor.1' (3022) because [ 72.418540] cache 192kB is below limit 6144kB for oom_score_adj 0 [ 72.418540] Free memory is -13332kB above reserved [ 72.418552] lowmemorykiller: Killing 'syz-executor.4' (3020) (tgid 3018), adj 1000, [ 72.418552] to free 124kB on behalf of 'syz-executor.4' (2105) because [ 72.418552] cache 192kB is below limit 6144kB for oom_score_adj 0 [ 72.418552] Free memory is -13332kB above reserved [ 72.438411] Mem-Info: [ 72.438433] active_anon:5333 inactive_anon:41 isolated_anon:0 [ 72.438433] active_file:18 inactive_file:29 isolated_file:0 [ 72.438433] unevictable:0 dirty:12 writeback:0 unstable:0 [ 72.438433] slab_reclaimable:3961 slab_unreclaimable:58595 [ 72.438433] mapped:3 shmem:48 pagetables:453 bounce:0 [ 72.438433] free:6043 free_pcp:192 free_cma:0 [ 72.438447] Node 0 active_anon:21332kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:48kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 72.438467] DMA32 free:18600kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020112kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:136kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 72.438497] Normal free:5572kB min:5580kB low:9168kB high:12756kB active_anon:21316kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB writepending:48kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15844kB slab_unreclaimable:234352kB kernel_stack:4256kB pagetables:1812kB bounce:0kB free_pcp:632kB local_pcp:192kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 72.438557] DMA32: 6*4kB (UM) 2*8kB (UM) 4*16kB (UM) 0*32kB 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18600kB Normal: 297*4kB (MEH) 136*8kB (MEH) 54*16kB (MH) 42*32kB (UMH) 15*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5572kB 96 total pagecache pages [ 72.438607] 0 pages in swap cache [ 72.438611] Swap cache stats: add 0, delete 0, find 0/0 [ 72.438613] Free swap = 0kB [ 72.438615] Total swap = 0kB [ 72.438617] 1965979 pages RAM [ 72.438619] 0 pages HighMem/MovableOnly [ 72.438621] 313622 pages reserved [ 72.438624] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 72.438643] [ 470] 0 470 5417 210 16 3 0 -1000 udevd [ 72.438655] [ 636] 0 636 5416 212 15 3 0 -1000 udevd [ 72.438666] [ 637] 0 637 5482 270 15 3 0 -1000 udevd [ 72.438677] [ 1771] 0 1771 2492 573 9 3 0 0 dhclient [ 72.438688] [ 1904] 0 1904 14231 108 23 3 0 0 rsyslogd [ 72.438699] [ 1957] 0 1957 4724 50 16 3 0 0 cron [ 72.438710] [ 1977] 0 1977 3734 44 11 3 0 0 mcstransd [ 72.438721] [ 1979] 0 1979 12926 1231 28 3 0 0 restorecond [ 72.438732] [ 2005] 0 2005 12489 153 29 3 0 -1000 sshd [ 72.438743] [ 2035] 0 2035 3648 40 13 3 0 0 getty [ 72.438754] [ 2072] 0 2072 3648 42 13 3 0 0 getty [ 72.438764] [ 2073] 0 2073 3648 44 13 3 0 0 getty [ 72.438775] [ 2074] 0 2074 3648 42 13 3 0 0 getty [ 72.438786] [ 2075] 0 2075 3648 42 13 3 0 0 getty [ 72.438796] [ 2076] 0 2076 3648 41 13 3 0 0 getty [ 72.438807] [ 2077] 0 2077 3648 43 13 3 0 0 getty [ 72.438818] [ 2078] 0 2078 17820 197 39 3 0 0 sshd [ 72.438829] [ 2080] 0 2080 33594 1773 28 5 0 0 syz-execprog [ 72.438840] [ 2093] 0 2093 9376 16 5 2 0 0 syz-executor.2 [ 72.438851] [ 2095] 0 2095 9376 17 5 2 0 0 syz-executor.3 [ 72.438861] [ 2096] 0 2096 9376 15 5 2 0 0 syz-executor.5 [ 72.438872] [ 2097] 0 2097 9376 16 6 3 0 0 syz-executor.2 [ 72.438883] [ 2098] 0 2098 9376 17 6 3 0 0 syz-executor.3 [ 72.438894] [ 2099] 0 2099 9376 15 5 2 0 0 syz-executor.4 [ 72.438905] [ 2100] 0 2100 9376 15 6 3 0 0 syz-executor.5 [ 72.438916] [ 2103] 0 2103 9376 15 5 2 0 0 syz-executor.1 [ 72.438926] [ 2104] 0 2104 9376 16 5 2 0 0 syz-executor.0 [ 72.438937] [ 2105] 0 2105 9376 15 6 3 0 0 syz-executor.4 [ 72.438948] [ 2106] 0 2106 9376 15 6 3 0 0 syz-executor.1 [ 72.438959] [ 2108] 0 2108 9376 16 6 3 0 0 syz-executor.0 [ 72.438971] [ 2957] 0 2952 9506 0 9 4 0 1000 syz-executor.2 [ 72.438984] [ 2991] 0 2986 9506 0 9 4 0 1000 syz-executor.3 [ 72.438997] [ 2993] 0 2989 9506 0 9 4 0 1000 syz-executor.0 [ 72.439012] [ 3003] 0 3001 9506 0 10 4 0 1000 syz-executor.5 [ 72.439026] [ 3015] 0 3014 9506 0 9 4 0 1000 syz-executor.1 [ 72.439040] [ 3020] 0 3018 9506 31 9 4 0 1000 syz-executor.4 [ 72.439052] [ 3021] 0 3021 9506 31 9 4 0 1000 syz-executor.4 [ 72.439067] Out of memory: Kill process 3018 (syz-executor.4) score 999 or sacrifice child [ 72.439114] Killed process 3021 (syz-executor.4) total-vm:38024kB, anon-rss:124kB, file-rss:0kB, shmem-rss:0kB [ 72.458603] oom_reaper: reaped process 3021 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 72.463822] syz-executor.5 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 72.463832] CPU: 0 PID: 3003 Comm: syz-executor.5 Not tainted 4.9.168+ #39 [ 72.463851] ffff8801b05a76c0 ffffffff81b4f5d1 ffff8801b05a7a18 ffffffff833ee230 [ 72.463862] 00000000000003e8 ffff8801b05a7a30 0000000000000000 ffff8801b05a7740 [ 72.463872] ffffffff815011eb 0000000000000000 00000000000003e8 ffffffff8280fe15 [ 72.463874] Call Trace: [ 72.463889] [<00000000cff0836e>] dump_stack+0xc1/0x120 [ 72.463900] [<00000000d7f74d0c>] dump_header.isra.0+0x142/0x74c [ 72.463912] [<00000000131acba3>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 72.463921] [<00000000990d4f2c>] ? ___ratelimit+0x55/0x413 [ 72.463929] [<000000006b92a657>] oom_kill_process.cold+0xd/0xa74 [ 72.463939] [<000000001e6f7e85>] ? check_preemption_disabled+0x3c/0x200 [ 72.463949] [<0000000016dea484>] ? out_of_memory+0x6bc/0xeb0 [ 72.463957] [<00000000661b349b>] out_of_memory+0x29b/0xeb0 [ 72.463965] [<000000002ff99591>] ? out_of_memory+0x405/0xeb0 [ 72.463973] [<00000000a3c7d22c>] ? oom_killer_disable+0x210/0x210 [ 72.463982] [<000000007772a636>] ? trace_hardirqs_on+0xd/0x10 [ 72.463991] [<0000000024ec04f2>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 72.463999] [<00000000e43af575>] __alloc_pages_nodemask+0x1730/0x1a80 [ 72.464009] [<0000000020e0f869>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 72.464017] [<000000002228fef0>] ? retint_kernel+0x2d/0x2d [ 72.464026] [<000000004c920a40>] __vmalloc_node_range+0x25b/0x610 [ 72.464036] [<0000000022e94520>] ? xt_alloc_table_info+0xc8/0x100 [ 72.464044] [<0000000048069a05>] vmalloc+0x5c/0x70 [ 72.464052] [<0000000022e94520>] ? xt_alloc_table_info+0xc8/0x100 [ 72.464059] [<0000000022e94520>] xt_alloc_table_info+0xc8/0x100 [ 72.464069] [<000000000aaf9fb0>] do_ipt_set_ctl+0x22b/0x470 [ 72.464078] [<00000000a10534d7>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 72.464086] [<00000000af6cd1ac>] ? mutex_unlock+0x9/0x10 [ 72.464096] [<000000003064b149>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 72.464104] [<00000000d6bd7aba>] nf_setsockopt+0x6d/0xc0 [ 72.464113] [<0000000016f19f55>] ip_setsockopt+0x8a/0xa0 [ 72.464123] [<0000000038551d5c>] udp_setsockopt+0x4e/0x90 [ 72.464132] [<00000000bb580eec>] ipv6_setsockopt+0xa4/0x140 [ 72.464140] [<0000000095dad68a>] tcp_setsockopt+0x8a/0xe0 [ 72.464149] [<000000007476900b>] sock_common_setsockopt+0x9a/0xe0 [ 72.464157] [<00000000144ce533>] SyS_setsockopt+0x159/0x240 [ 72.464165] [<00000000d1d115c8>] ? SyS_recv+0x40/0x40 [ 72.464173] [<000000002f1b9845>] ? SyS_clock_gettime+0x118/0x1f0 [ 72.464181] [<00000000543e60d4>] ? do_syscall_64+0x4a/0x570 [ 72.464189] [<00000000d1d115c8>] ? SyS_recv+0x40/0x40 [ 72.464196] [<0000000012209b9a>] do_syscall_64+0x1ad/0x570 [ 72.464204] [<00000000d39fbed4>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 72.464208] Mem-Info: [ 72.464226] active_anon:5333 inactive_anon:41 isolated_anon:0 [ 72.464226] active_file:18 inactive_file:29 isolated_file:0 [ 72.464226] unevictable:0 dirty:12 writeback:0 unstable:0 [ 72.464226] slab_reclaimable:3961 slab_unreclaimable:58595 [ 72.464226] mapped:3 shmem:48 pagetables:453 bounce:0 [ 72.464226] free:6043 free_pcp:214 free_cma:0 [ 72.464240] Node 0 active_anon:21332kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:48kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 72.464259] DMA32 free:18600kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020112kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:152kB local_pcp:136kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 72.464287] Normal free:5572kB min:5580kB low:9168kB high:12756kB active_anon:21316kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB writepending:48kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15844kB slab_unreclaimable:234352kB kernel_stack:4224kB pagetables:1812kB bounce:0kB free_pcp:704kB local_pcp:440kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 72.464346] DMA32: 6*4kB (UM) 2*8kB (UM) 4*16kB (UM) 0*32kB 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18600kB Normal: 297*4kB (MEH) 136*8kB (MEH) 54*16kB (MH) 43*32kB (UMH) 15*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5604kB 96 total pagecache pages [ 72.464392] 0 pages in swap cache [ 72.464397] Swap cache stats: add 0, delete 0, find 0/0 [ 72.464399] Free swap = 0kB [ 72.464401] Total swap = 0kB [ 72.464404] 1965979 pages RAM [ 72.464406] 0 pages HighMem/MovableOnly [ 72.464408] 313622 pages reserved [ 72.464411] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 72.464426] [ 470] 0 470 5417 210 16 3 0 -1000 udevd [ 72.464437] [ 636] 0 636 5416 212 15 3 0 -1000 udevd [ 72.464448] [ 637] 0 637 5482 270 15 3 0 -1000 udevd [ 72.464459] [ 1771] 0 1771 2492 573 9 3 0 0 dhclient [ 72.464469] [ 1904] 0 1904 14231 108 23 3 0 0 rsyslogd [ 72.464480] [ 1957] 0 1957 4724 50 16 3 0 0 cron [ 72.464490] [ 1977] 0 1977 3734 44 11 3 0 0 mcstransd [ 72.464501] [ 1979] 0 1979 12926 1231 28 3 0 0 restorecond [ 72.464512] [ 2005] 0 2005 12489 153 29 3 0 -1000 sshd [ 72.464522] [ 2035] 0 2035 3648 40 13 3 0 0 getty [ 72.464533] [ 2072] 0 2072 3648 42 13 3 0 0 getty [ 72.464543] [ 2073] 0 2073 3648 44 13 3 0 0 getty [ 72.464553] [ 2074] 0 2074 3648 42 13 3 0 0 getty [ 72.464564] [ 2075] 0 2075 3648 42 13 3 0 0 getty [ 72.464574] [ 2076] 0 2076 3648 41 13 3 0 0 getty [ 72.464585] [ 2077] 0 2077 3648 43 13 3 0 0 getty [ 72.464595] [ 2078] 0 2078 17820 197 39 3 0 0 sshd [ 72.464606] [ 2080] 0 2080 33594 1773 28 5 0 0 syz-execprog [ 72.464626] [ 2093] 0 2093 9376 16 5 2 0 0 syz-executor.2 [ 72.464637] [ 2095] 0 2095 9376 17 5 2 0 0 syz-executor.3 [ 72.464647] [ 2096] 0 2096 9376 15 5 2 0 0 syz-executor.5 [ 72.464658] [ 2097] 0 2097 9376 16 6 3 0 0 syz-executor.2 [ 72.464675] [ 2098] 0 2098 9376 17 6 3 0 0 syz-executor.3 [ 72.464686] [ 2099] 0 2099 9376 15 5 2 0 0 syz-executor.4 [ 72.464696] [ 2100] 0 2100 9376 15 6 3 0 0 syz-executor.5 [ 72.464707] [ 2103] 0 2103 9376 15 5 2 0 0 syz-executor.1 [ 72.464717] [ 2104] 0 2104 9376 16 5 2 0 0 syz-executor.0 [ 72.464728] [ 2105] 0 2105 9376 15 6 3 0 0 syz-executor.4 [ 72.464739] [ 2106] 0 2106 9376 15 6 3 0 0 syz-executor.1 [ 72.464749] [ 2108] 0 2108 9376 16 6 3 0 0 syz-executor.0 [ 72.464761] [ 2957] 0 2952 9506 0 9 4 0 1000 syz-executor.2 [ 72.464773] [ 2991] 0 2986 9506 0 9 4 0 1000 syz-executor.3 [ 72.464784] [ 2993] 0 2989 9506 0 9 4 0 1000 syz-executor.0 [ 72.464798] [ 3003] 0 3001 9506 0 10 4 0 1000 syz-executor.5 [ 72.464811] [ 3015] 0 3014 9506 0 9 4 0 1000 syz-executor.1 [ 72.464824] [ 3020] 0 3018 9506 0 9 4 0 1000 syz-executor.4 [ 72.464837] Out of memory: Kill process 2080 (syz-execprog) score 1 or sacrifice child [ 72.464900] Killed process 2095 (syz-executor.3) total-vm:37504kB, anon-rss:68kB, file-rss:0kB, shmem-rss:0kB [ 72.555108] syz-executor.0 invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 [ 72.555118] CPU: 1 PID: 2108 Comm: syz-executor.0 Not tainted 4.9.168+ #39 [ 72.555137] ffff8801cdc876f0 ffffffff81b4f5d1 ffff8801cdc87a48 ffffffff833ee230 [ 72.555148] 0000000000000000 ffff8801cdc87a60 0000000000000000 ffff8801cdc87770 [ 72.555159] ffffffff815011eb 0000000000000000 0000000000000000 ffffffff8280fe15 [ 72.555160] Call Trace: [ 72.555183] [<00000000cff0836e>] dump_stack+0xc1/0x120 [ 72.555194] [<00000000d7f74d0c>] dump_header.isra.0+0x142/0x74c [ 72.555205] [<00000000131acba3>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 72.555214] [<00000000990d4f2c>] ? ___ratelimit+0x55/0x413 [ 72.555222] [<000000006b92a657>] oom_kill_process.cold+0xd/0xa74 [ 72.555233] [<000000001e6f7e85>] ? check_preemption_disabled+0x3c/0x200 [ 72.555242] [<0000000016dea484>] ? out_of_memory+0x6bc/0xeb0 [ 72.555251] [<00000000661b349b>] out_of_memory+0x29b/0xeb0 [ 72.555258] [<000000002ff99591>] ? out_of_memory+0x405/0xeb0 [ 72.555267] [<00000000a3c7d22c>] ? oom_killer_disable+0x210/0x210 [ 72.555276] [<000000007772a636>] ? trace_hardirqs_on+0xd/0x10 [ 72.555284] [<0000000024ec04f2>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 72.555293] [<00000000e43af575>] __alloc_pages_nodemask+0x1730/0x1a80 [ 72.555303] [<0000000020e0f869>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 72.555312] [<00000000759f8345>] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 72.555320] [<0000000018088c9b>] ? find_get_entry+0x2a9/0x510 [ 72.555328] [<00000000431f7217>] ? find_get_entry+0x2d0/0x510 [ 72.555335] [<00000000551e463c>] ? page_cache_prev_hole+0x80/0x80 [ 72.555344] [<00000000485bc5c8>] pagecache_get_page+0x248/0x740 [ 72.555352] [<0000000096776358>] filemap_fault+0xb1f/0x1360 [ 72.555362] [<0000000023549ba6>] ext4_filemap_fault+0x72/0xa0 [ 72.555370] [<000000001be2820f>] __do_fault+0x2a8/0x6c0 [ 72.555377] [<000000005164864c>] ? do_page_mkwrite+0x400/0x400 [ 72.555387] [<00000000a593ee1c>] ? generic_file_readonly_mmap+0x190/0x190 [ 72.555395] [<0000000037bc1586>] handle_mm_fault+0x11bc/0x2420 [ 72.555403] [<00000000099c1dfe>] ? debug_object_free+0x1c9/0x340 [ 72.555411] [<000000003ed61b53>] ? vm_insert_page+0x840/0x840 [ 72.555421] [<0000000009a90f6b>] ? vmacache_find+0x59/0x280 [ 72.555430] [<00000000cbfae921>] __do_page_fault+0x3f0/0xa60 [ 72.555439] [<000000001ae028d6>] ? bad_area_access_error+0x3d0/0x3d0 [ 72.555449] [<000000000e5dca9a>] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.555456] [<00000000bdebdc1c>] do_page_fault+0x28/0x30 [ 72.555464] [<00000000dfc56492>] page_fault+0x25/0x30 [ 72.555468] Mem-Info: [ 72.555487] active_anon:5333 inactive_anon:41 isolated_anon:0 [ 72.555487] active_file:18 inactive_file:29 isolated_file:0 [ 72.555487] unevictable:0 dirty:12 writeback:0 unstable:0 [ 72.555487] slab_reclaimable:3961 slab_unreclaimable:58595 [ 72.555487] mapped:3 shmem:48 pagetables:453 bounce:0 [ 72.555487] free:6043 free_pcp:233 free_cma:0 [ 72.555502] Node 0 active_anon:21332kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:48kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 72.555521] DMA32 free:18600kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020112kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:152kB local_pcp:16kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 72.555550] Normal free:5572kB min:5580kB low:9168kB high:12756kB active_anon:21316kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB writepending:48kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15844kB slab_unreclaimable:234352kB kernel_stack:4192kB pagetables:1812kB bounce:0kB free_pcp:780kB local_pcp:264kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 72.555611] DMA32: 6*4kB (UM) 2*8kB (UM) 4*16kB (UM) 0*32kB 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18600kB Normal: 297*4kB (MEH) 136*8kB (MEH) 54*16kB (MH) 44*32kB (UMH) 15*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5636kB 96 total pagecache pages [ 72.555659] 0 pages in swap cache [ 72.555663] Swap cache stats: add 0, delete 0, find 0/0 [ 72.555666] Free swap = 0kB [ 72.555668] Total swap = 0kB [ 72.555670] 1965979 pages RAM [ 72.555672] 0 pages HighMem/MovableOnly [ 72.555674] 313622 pages reserved [ 72.555676] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 72.555692] [ 470] 0 470 5417 210 16 3 0 -1000 udevd [ 72.555703] [ 636] 0 636 5416 212 15 3 0 -1000 udevd [ 72.555714] [ 637] 0 637 5482 270 15 3 0 -1000 udevd [ 72.555725] [ 1771] 0 1771 2492 573 9 3 0 0 dhclient [ 72.555736] [ 1904] 0 1904 14231 108 23 3 0 0 rsyslogd [ 72.555746] [ 1957] 0 1957 4724 50 16 3 0 0 cron [ 72.555757] [ 1977] 0 1977 3734 44 11 3 0 0 mcstransd [ 72.555768] [ 1979] 0 1979 12926 1231 28 3 0 0 restorecond [ 72.555779] [ 2005] 0 2005 12489 153 29 3 0 -1000 sshd [ 72.555789] [ 2035] 0 2035 3648 40 13 3 0 0 getty [ 72.555800] [ 2072] 0 2072 3648 42 13 3 0 0 getty [ 72.555810] [ 2073] 0 2073 3648 44 13 3 0 0 getty [ 72.555821] [ 2074] 0 2074 3648 42 13 3 0 0 getty [ 72.555831] [ 2075] 0 2075 3648 42 13 3 0 0 getty [ 72.555842] [ 2076] 0 2076 3648 41 13 3 0 0 getty [ 72.555852] [ 2077] 0 2077 3648 43 13 3 0 0 getty [ 72.555863] [ 2078] 0 2078 17820 197 39 3 0 0 sshd [ 72.555874] [ 2080] 0 2080 33594 1773 28 5 0 0 syz-execprog [ 72.555884] [ 2093] 0 2093 9376 16 5 2 0 0 syz-executor.2 [ 72.555896] [ 2096] 0 2096 9376 15 5 2 0 0 syz-executor.5 [ 72.555907] [ 2097] 0 2097 9376 16 6 3 0 0 syz-executor.2 [ 72.555917] [ 2098] 0 2098 9376 17 6 3 0 0 syz-executor.3 [ 72.555928] [ 2099] 0 2099 9376 15 5 2 0 0 syz-executor.4 [ 72.555939] [ 2100] 0 2100 9376 15 6 3 0 0 syz-executor.5 [ 72.555949] [ 2103] 0 2103 9376 15 5 2 0 0 syz-executor.1 [ 72.555960] [ 2104] 0 2104 9376 16 5 2 0 0 syz-executor.0 [ 72.555971] [ 2105] 0 2105 9376 15 6 3 0 0 syz-executor.4 [ 72.555981] [ 2106] 0 2106 9376 15 6 3 0 0 syz-executor.1 [ 72.555992] [ 2108] 0 2108 9376 16 6 3 0 0 syz-executor.0 [ 72.556004] [ 2957] 0 2952 9506 0 9 4 0 1000 syz-executor.2 [ 72.556016] [ 2991] 0 2986 9506 0 9 4 0 1000 syz-executor.3 [ 72.556027] [ 2993] 0 2989 9506 0 9 4 0 1000 syz-executor.0 [ 72.556042] [ 3003] 0 3001 9506 0 10 4 0 1000 syz-executor.5 [ 72.556055] [ 3015] 0 3014 9506 0 9 4 0 1000 syz-executor.1 [ 72.556068] [ 3020] 0 3018 9506 0 9 4 0 1000 syz-executor.4 [ 72.556081] Out of memory: Kill process 2080 (syz-execprog) score 1 or sacrifice child [ 72.556143] Killed process 2093 (syz-executor.2) total-vm:37504kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 72.653814] syz-execprog invoked oom-killer: gfp_mask=0x24280ca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), nodemask=0, order=0, oom_score_adj=0 [ 72.653825] CPU: 0 PID: 2085 Comm: syz-execprog Not tainted 4.9.168+ #39 [ 72.653843] ffff8801cdc0f460 ffffffff81b4f5d1 ffff8801cdc0f7b8 ffffffff833ee230 [ 72.653854] 0000000000000000 ffff8801cdc0f7d0 0000000000000000 ffff8801cdc0f4e0 [ 72.653864] ffffffff815011eb 0000000000000000 0000000000000000 ffffffff8280fe15 [ 72.653866] Call Trace: [ 72.653881] [<00000000cff0836e>] dump_stack+0xc1/0x120 [ 72.653892] [<00000000d7f74d0c>] dump_header.isra.0+0x142/0x74c [ 72.653903] [<00000000131acba3>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 72.653911] [<00000000990d4f2c>] ? ___ratelimit+0x55/0x413 [ 72.653920] [<000000006b92a657>] oom_kill_process.cold+0xd/0xa74 [ 72.653930] [<000000001e6f7e85>] ? check_preemption_disabled+0x3c/0x200 [ 72.653939] [<0000000016dea484>] ? out_of_memory+0x6bc/0xeb0 [ 72.653948] [<00000000661b349b>] out_of_memory+0x29b/0xeb0 [ 72.653955] [<000000002ff99591>] ? out_of_memory+0x405/0xeb0 [ 72.653964] [<00000000a3c7d22c>] ? oom_killer_disable+0x210/0x210 [ 72.653972] [<000000007772a636>] ? trace_hardirqs_on+0xd/0x10 [ 72.653981] [<0000000024ec04f2>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 72.653990] [<00000000e43af575>] __alloc_pages_nodemask+0x1730/0x1a80 [ 72.653999] [<0000000020e0f869>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 72.654008] [<0000000088d1af6b>] ? update_stack_state.constprop.0+0x7c/0x170 [ 72.654019] [<000000000ac4423c>] ? anon_vma_prepare+0x64/0x3d0 [ 72.654027] [<000000001c78a914>] handle_mm_fault+0x12e1/0x2420 [ 72.654037] [<000000000c0ec098>] ? __sigqueue_free.part.0+0x55/0x60 [ 72.654046] [<00000000f5ae9fdc>] ? __dequeue_signal+0x3af/0x5f0 [ 72.654054] [<00000000a6d3cd3d>] ? dequeue_signal+0x1be/0x550 [ 72.654061] [<00000000d33c56c7>] ? get_signal+0x50f/0x1aa0 [ 72.654070] [<0000000013e62bb1>] ? do_signal+0x9c/0x1920 [ 72.654077] [<000000003ed61b53>] ? vm_insert_page+0x840/0x840 [ 72.654087] [<0000000009a90f6b>] ? vmacache_find+0x59/0x280 [ 72.654095] [<00000000c0827906>] ? vmacache_update+0xfe/0x130 [ 72.654104] [<00000000cbfae921>] __do_page_fault+0x3f0/0xa60 [ 72.654112] [<000000001ae028d6>] ? bad_area_access_error+0x3d0/0x3d0 [ 72.654122] [<000000000e5dca9a>] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.654130] [<00000000bdebdc1c>] do_page_fault+0x28/0x30 [ 72.654138] [<00000000dfc56492>] page_fault+0x25/0x30 [ 72.654147] [<0000000068662e04>] ? __clear_user+0x43/0x70 [ 72.654156] [<000000001a0a87fe>] copy_fpstate_to_sigframe+0x447/0x710 [ 72.654164] [<00000000db8a146a>] ? __fpu__restore_sig+0x1310/0x1310 [ 72.654172] [<000000003978d835>] ? _raw_spin_unlock_irq+0x39/0x60 [ 72.654179] [<000000004ff8b261>] ? get_signal+0x147d/0x1aa0 [ 72.654188] [<000000002a2cc627>] ? do_futex+0x161/0x1a70 [ 72.654196] [<00000000822c9ed4>] ? pipe_read+0x5fd/0x820 [ 72.654204] [<00000000594aaa77>] ? fpu__alloc_mathframe+0x113/0x190 [ 72.654212] [<000000007f1ac59f>] do_signal+0xf80/0x1920 [ 72.654221] [<00000000b22524ab>] ? setup_sigcontext+0x7d0/0x7d0 [ 72.654230] [<000000000b7fca89>] ? selinux_file_permission+0x85/0x470 [ 72.654239] [<00000000900eb155>] ? SyS_futex+0x25f/0x360 [ 72.654248] [<000000001d67f9f8>] ? do_futex+0x1a70/0x1a70 [ 72.654256] [<0000000069a3ad8f>] ? exit_to_usermode_loop+0xcc/0x160 [ 72.654265] [<000000005d35759e>] exit_to_usermode_loop+0x11c/0x160 [ 72.654272] [<0000000065f45240>] do_syscall_64+0x3f7/0x570 [ 72.654281] [<00000000d39fbed4>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 72.654284] Mem-Info: [ 72.654303] active_anon:5308 inactive_anon:41 isolated_anon:0 [ 72.654303] active_file:18 inactive_file:29 isolated_file:0 [ 72.654303] unevictable:0 dirty:12 writeback:0 unstable:0 [ 72.654303] slab_reclaimable:3961 slab_unreclaimable:58595 [ 72.654303] mapped:3 shmem:48 pagetables:453 bounce:0 [ 72.654303] free:6043 free_pcp:253 free_cma:0 [ 72.654318] Node 0 active_anon:21232kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:48kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 72.654337] DMA32 free:18600kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020112kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:152kB local_pcp:136kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 72.654366] Normal free:5572kB min:5580kB low:9168kB high:12756kB active_anon:21216kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB writepending:48kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15844kB slab_unreclaimable:234352kB kernel_stack:4160kB pagetables:1812kB bounce:0kB free_pcp:860kB local_pcp:516kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 72.654441] DMA32: 6*4kB (UM) 2*8kB (UM) 4*16kB (UM) 0*32kB 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18600kB Normal: 297*4kB (MEH) 136*8kB (MEH) 54*16kB (MH) 45*32kB (UMH) 15*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5668kB 96 total pagecache pages [ 72.654490] 0 pages in swap cache [ 72.654495] Swap cache stats: add 0, delete 0, find 0/0 [ 72.654497] Free swap = 0kB [ 72.654499] Total swap = 0kB [ 72.654502] 1965979 pages RAM [ 72.654504] 0 pages HighMem/MovableOnly [ 72.654506] 313622 pages reserved [ 72.654509] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 72.654525] [ 470] 0 470 5417 210 16 3 0 -1000 udevd [ 72.654536] [ 636] 0 636 5416 212 15 3 0 -1000 udevd [ 72.654548] [ 637] 0 637 5482 270 15 3 0 -1000 udevd [ 72.654558] [ 1771] 0 1771 2492 573 9 3 0 0 dhclient [ 72.654569] [ 1904] 0 1904 14231 108 23 3 0 0 rsyslogd [ 72.654579] [ 1957] 0 1957 4724 50 16 3 0 0 cron [ 72.654590] [ 1977] 0 1977 3734 44 11 3 0 0 mcstransd [ 72.654601] [ 1979] 0 1979 12926 1231 28 3 0 0 restorecond [ 72.654612] [ 2005] 0 2005 12489 153 29 3 0 -1000 sshd [ 72.654635] [ 2035] 0 2035 3648 40 13 3 0 0 getty [ 72.654646] [ 2072] 0 2072 3648 42 13 3 0 0 getty [ 72.654656] [ 2073] 0 2073 3648 44 13 3 0 0 getty [ 72.654667] [ 2074] 0 2074 3648 42 13 3 0 0 getty [ 72.654683] [ 2075] 0 2075 3648 42 13 3 0 0 getty [ 72.654694] [ 2076] 0 2076 3648 41 13 3 0 0 getty [ 72.654705] [ 2077] 0 2077 3648 43 13 3 0 0 getty [ 72.654715] [ 2078] 0 2078 17820 197 39 3 0 0 sshd [ 72.654726] [ 2080] 0 2080 33594 1773 28 5 0 0 syz-execprog [ 72.654738] [ 2096] 0 2096 9376 15 5 2 0 0 syz-executor.5 [ 72.654749] [ 2097] 0 2097 9376 16 6 3 0 0 syz-executor.2 [ 72.654759] [ 2098] 0 2098 9376 17 6 3 0 0 syz-executor.3 [ 72.654770] [ 2099] 0 2099 9376 15 5 2 0 0 syz-executor.4 [ 72.654780] [ 2100] 0 2100 9376 15 6 3 0 0 syz-executor.5 [ 72.654791] [ 2103] 0 2103 9376 15 5 2 0 0 syz-executor.1 [ 72.654801] [ 2104] 0 2104 9376 16 5 2 0 0 syz-executor.0 [ 72.654812] [ 2105] 0 2105 9376 15 6 3 0 0 syz-executor.4 [ 72.654822] [ 2106] 0 2106 9376 15 6 3 0 0 syz-executor.1 [ 72.654833] [ 2108] 0 2108 9376 16 6 3 0 0 syz-executor.0 [ 72.654844] [ 2957] 0 2952 9506 0 9 4 0 1000 syz-executor.2 [ 72.654857] [ 2991] 0 2986 9506 0 9 4 0 1000 syz-executor.3 [ 72.654868] [ 2993] 0 2989 9506 0 9 4 0 1000 syz-executor.0 [ 72.654883] [ 3003] 0 3001 9506 0 10 4 0 1000 syz-executor.5 [ 72.654896] [ 3015] 0 3014 9506 0 9 4 0 1000 syz-executor.1 [ 72.654909] [ 3020] 0 3018 9506 0 9 4 0 1000 syz-executor.4 [ 72.654921] Out of memory: Kill process 2080 (syz-execprog) score 1 or sacrifice child [ 72.655307] Killed process 2104 (syz-executor.0) total-vm:37504kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB [ 72.765253] syz-execprog invoked oom-killer: gfp_mask=0x24280ca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO), nodemask=0, order=0, oom_score_adj=0 [ 72.765263] CPU: 0 PID: 2085 Comm: syz-execprog Not tainted 4.9.168+ #39 [ 72.765281] ffff8801cdc0f460 ffffffff81b4f5d1 ffff8801cdc0f7b8 ffffffff833ee230 [ 72.765292] 0000000000000000 ffff8801cdc0f7d0 0000000000000000 ffff8801cdc0f4e0 [ 72.765303] ffffffff815011eb 0000000000000000 0000000000000000 ffffffff8280fe15 [ 72.765304] Call Trace: [ 72.765320] [<00000000cff0836e>] dump_stack+0xc1/0x120 [ 72.765330] [<00000000d7f74d0c>] dump_header.isra.0+0x142/0x74c [ 72.765342] [<00000000131acba3>] ? _raw_spin_unlock_irqrestore+0x45/0x70 [ 72.765350] [<00000000990d4f2c>] ? ___ratelimit+0x55/0x413 [ 72.765359] [<000000006b92a657>] oom_kill_process.cold+0xd/0xa74 [ 72.765368] [<000000001e6f7e85>] ? check_preemption_disabled+0x3c/0x200 [ 72.765376] [<0000000016dea484>] ? out_of_memory+0x6bc/0xeb0 [ 72.765384] [<00000000661b349b>] out_of_memory+0x29b/0xeb0 [ 72.765392] [<000000002ff99591>] ? out_of_memory+0x405/0xeb0 [ 72.765400] [<00000000a3c7d22c>] ? oom_killer_disable+0x210/0x210 [ 72.765408] [<000000007772a636>] ? trace_hardirqs_on+0xd/0x10 [ 72.765417] [<0000000024ec04f2>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 72.765426] [<00000000e43af575>] __alloc_pages_nodemask+0x1730/0x1a80 [ 72.765435] [<0000000020e0f869>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 72.765444] [<0000000088d1af6b>] ? update_stack_state.constprop.0+0x7c/0x170 [ 72.765455] [<000000000ac4423c>] ? anon_vma_prepare+0x64/0x3d0 [ 72.765463] [<000000001c78a914>] handle_mm_fault+0x12e1/0x2420 [ 72.765473] [<000000000c0ec098>] ? __sigqueue_free.part.0+0x55/0x60 [ 72.765481] [<00000000f5ae9fdc>] ? __dequeue_signal+0x3af/0x5f0 [ 72.765489] [<00000000a6d3cd3d>] ? dequeue_signal+0x1be/0x550 [ 72.765497] [<00000000d33c56c7>] ? get_signal+0x50f/0x1aa0 [ 72.765506] [<0000000013e62bb1>] ? do_signal+0x9c/0x1920 [ 72.765513] [<000000003ed61b53>] ? vm_insert_page+0x840/0x840 [ 72.765523] [<0000000009a90f6b>] ? vmacache_find+0x59/0x280 [ 72.765531] [<00000000c0827906>] ? vmacache_update+0xfe/0x130 [ 72.765539] [<00000000cbfae921>] __do_page_fault+0x3f0/0xa60 [ 72.765548] [<000000001ae028d6>] ? bad_area_access_error+0x3d0/0x3d0 [ 72.765558] [<000000000e5dca9a>] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.765565] [<00000000bdebdc1c>] do_page_fault+0x28/0x30 [ 72.765573] [<00000000dfc56492>] page_fault+0x25/0x30 [ 72.765581] [<0000000068662e04>] ? __clear_user+0x43/0x70 [ 72.765591] [<000000001a0a87fe>] copy_fpstate_to_sigframe+0x447/0x710 [ 72.765599] [<00000000db8a146a>] ? __fpu__restore_sig+0x1310/0x1310 [ 72.765608] [<000000003978d835>] ? _raw_spin_unlock_irq+0x39/0x60 [ 72.765627] [<000000004ff8b261>] ? get_signal+0x147d/0x1aa0 [ 72.765637] [<000000002a2cc627>] ? do_futex+0x161/0x1a70 [ 72.765645] [<00000000822c9ed4>] ? pipe_read+0x5fd/0x820 [ 72.765653] [<00000000594aaa77>] ? fpu__alloc_mathframe+0x113/0x190 [ 72.765661] [<000000007f1ac59f>] do_signal+0xf80/0x1920 [ 72.765676] [<00000000b22524ab>] ? setup_sigcontext+0x7d0/0x7d0 [ 72.765686] [<000000000b7fca89>] ? selinux_file_permission+0x85/0x470 [ 72.765694] [<00000000900eb155>] ? SyS_futex+0x25f/0x360 [ 72.765703] [<000000001d67f9f8>] ? do_futex+0x1a70/0x1a70 [ 72.765711] [<0000000069a3ad8f>] ? exit_to_usermode_loop+0xcc/0x160 [ 72.765721] [<000000005d35759e>] exit_to_usermode_loop+0x11c/0x160 [ 72.765728] [<0000000065f45240>] do_syscall_64+0x3f7/0x570 [ 72.765735] [<00000000d39fbed4>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 72.765739] Mem-Info: [ 72.765759] active_anon:5308 inactive_anon:41 isolated_anon:0 [ 72.765759] active_file:18 inactive_file:29 isolated_file:0 [ 72.765759] unevictable:0 dirty:12 writeback:0 unstable:0 [ 72.765759] slab_reclaimable:3961 slab_unreclaimable:58595 [ 72.765759] mapped:3 shmem:48 pagetables:453 bounce:0 [ 72.765759] free:6043 free_pcp:273 free_cma:0 [ 72.765773] Node 0 active_anon:21232kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:48kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 72.765792] DMA32 free:18600kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020112kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:152kB local_pcp:136kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 72.765820] Normal free:5572kB min:5580kB low:9168kB high:12756kB active_anon:21216kB inactive_anon:164kB active_file:72kB inactive_file:116kB unevictable:0kB writepending:48kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15844kB slab_unreclaimable:234352kB kernel_stack:4128kB pagetables:1812kB bounce:0kB free_pcp:940kB local_pcp:596kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 72.765880] DMA32: 6*4kB (UM) 2*8kB (UM) 4*16kB (UM) 0*32kB 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18600kB Normal: 297*4kB (MEH) 136*8kB (MEH) 54*16kB (MH) 46*32kB (UMH) 15*64kB (UMH) 1*128kB (H) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5700kB 96 total pagecache pages [ 72.765928] 0 pages in swap cache [ 72.765933] Swap cache stats: add 0, delete 0, find 0/0 [ 72.765935] Free swap = 0kB [ 72.765937] Total swap = 0kB [ 72.765940] 1965979 pages RAM [ 72.765942] 0 pages HighMem/MovableOnly [ 72.765944] 313622 pages reserved [ 72.765947] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 72.765962] [ 470] 0 470 5417 210 16 3 0 -1000 udevd [ 72.765974] [ 636] 0 636 5416 212 15 3 0 -1000 udevd [ 72.765985] [ 637] 0 637 5482 270 15 3 0 -1000 udevd [ 72.765996] [ 1771] 0 1771 2492 573 9 3 0 0 dhclient [ 72.766006] [ 1904] 0 1904 14231 108 23 3 0 0 rsyslogd [ 72.766017] [ 1957] 0 1957 4724 50 16 3 0 0 cron [ 72.766027] [ 1977] 0 1977 3734 44 11 3 0 0 mcstransd [ 72.766038] [ 1979] 0 1979 12926 1231 28 3 0 0 restorecond [ 72.766049] [ 2005] 0 2005 12489 153 29 3 0 -1000 sshd [ 72.766059] [ 2035] 0 2035 3648 40 13 3 0 0 getty [ 72.766069] [ 2072] 0 2072 3648 42 13 3 0 0 getty [ 72.766080] [ 2073] 0 2073 3648 44 13 3 0 0 getty [ 72.766090] [ 2074] 0 2074 3648 42 13 3 0 0 getty [ 72.766100] [ 2075] 0 2075 3648 42 13 3 0 0 getty [ 72.766111] [ 2076] 0 2076 3648 41 13 3 0 0 getty [ 72.766121] [ 2077] 0 2077 3648 43 13 3 0 0 getty [ 72.766132] [ 2078] 0 2078 17820 197 39 3 0 0 sshd [ 72.766142] [ 2080] 0 2080 33594 1773 28 5 0 0 syz-execprog [ 72.766154] [ 2096] 0 2096 9376 15 5 2 0 0 syz-executor.5 [ 72.766165] [ 2097] 0 2097 9376 16 6 3 0 0 syz-executor.2 [ 72.766174] [ 2098] 0 2098 9376 17 6 3 0 0 syz-executor.3 [ 72.766185] [ 2099] 0 2099 9376 15 5 2 0 0 syz-executor.4 [ 72.766196] [ 2100] 0 2100 9376 15 6 3 0 0 syz-executor.5 [ 72.766206] [ 2103] 0 2103 9376 15 5 2 0 0 syz-executor.1 [ 72.766218] [ 2105] 0 2105 9376 15 6 3 0 0 syz-executor.4 [ 72.766228] [ 2106] 0 2106 9376 15 6 3 0 0 syz-executor.1 [ 72.766239] [ 2108] 0 2108 9376 16 6 3 0 0 syz-executor.0 [ 72.766250] [ 2957] 0 2952 9506 0 9 4 0 1000 syz-executor.2 [ 72.766263] [ 2991] 0 2986 9506 0 9 4 0 1000 syz-executor.3 [ 72.766274] [ 2993] 0 2989 9506 0 9 4 0 1000 syz-executor.0 [ 72.766288] [ 3003] 0 3001 9506 0 10 4 0 1000 syz-executor.5 [ 72.766301] [ 3015] 0 3014 9506 0 9 4 0 1000 syz-executor.1 [ 72.766314] [ 3020] 0 3018 9506 0 9 4 0 1000 syz-executor.4 [ 72.766327] Out of memory: Kill process 2080 (syz-execprog) score 1 or sacrifice child [ 72.766388] Killed process 2096 (syz-executor.5) total-vm:37504kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 72.883634] Out of memory: Kill process 2080 (syz-execprog) score 1 or sacrifice child [ 72.883705] Killed process 2103 (syz-executor.1) total-vm:37504kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 72.953480] Out of memory: Kill process 2080 (syz-execprog) score 1 or sacrifice child [ 72.953530] Killed process 2099 (syz-executor.4) total-vm:37504kB, anon-rss:60kB, file-rss:0kB, shmem-rss:0kB [ 73.033507] Out of memory: Kill process 2080 (syz-execprog) score 1 or sacrifice child [ 73.033593] Killed process 2080 (syz-execprog) total-vm:134376kB, anon-rss:7092kB, file-rss:0kB, shmem-rss:0kB [ 73.147922] oom_reaper: reaped process 2080 (syz-execprog), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 73.152095] Out of memory: Kill process 1979 (restorecond) score 0 or sacrifice child [ 73.152135] Killed process 1979 (restorecond) total-vm:51704kB, anon-rss:4924kB, file-rss:0kB, shmem-rss:0kB [ 73.206269] Out of memory: Kill process 1771 (dhclient) score 0 or sacrifice child [ 73.206303] Killed process 1771 (dhclient) total-vm:9968kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 73.250888] Out of memory: Kill process 2078 (sshd) score 0 or sacrifice child [ 73.250930] Killed process 2078 (sshd) total-vm:71280kB, anon-rss:784kB, file-rss:0kB, shmem-rss:4kB [ 73.309106] Out of memory: Kill process 1904 (rsyslogd) score 0 or sacrifice child [ 73.309164] Killed process 1904 (rsyslogd) total-vm:56924kB, anon-rss:432kB, file-rss:0kB, shmem-rss:0kB [ 73.399176] oom_reaper: reaped process 1904 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 73.428974] lowmemorykiller: Killing 'cron' (1957) (tgid 1957), adj 0, [ 73.428974] to free 200kB on behalf of 'kworker/u4:3' (2110) because [ 73.428974] cache 244kB is below limit 6144kB for oom_score_adj 0 [ 73.428974] Free memory is -13336kB above reserved [ 73.430204] lowmemorykiller: Killing 'cron' (1957) (tgid 1957), adj 0, [ 73.430204] to free 200kB on behalf of 'syz-executor.0' (2108) because [ 73.430204] cache 244kB is below limit 6144kB for oom_score_adj 0 [ 73.430204] Free memory is -13336kB above reserved [ 73.769699] Out of memory: Kill process 2073 (getty) score 0 or sacrifice child [ 73.769720] Killed process 2073 (getty) total-vm:14592kB, anon-rss:172kB, file-rss:4kB, shmem-rss:0kB [ 73.838698] Out of memory: Kill process 1977 (mcstransd) score 0 or sacrifice child [ 73.838746] Killed process 1977 (mcstransd) total-vm:14936kB, anon-rss:176kB, file-rss:0kB, shmem-rss:0kB [ 74.058241] Out of memory: Kill process 2072 (getty) score 0 or sacrifice child [ 74.058263] Killed process 2072 (getty) total-vm:14592kB, anon-rss:164kB, file-rss:4kB, shmem-rss:0kB [ 74.141953] oom_reaper: reaped process 2072 (getty), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 74.154877] Out of memory: Kill process 2075 (getty) score 0 or sacrifice child [ 74.154897] Killed process 2075 (getty) total-vm:14592kB, anon-rss:164kB, file-rss:4kB, shmem-rss:0kB [ 74.244479] Out of memory: Kill process 2077 (getty) score 0 or sacrifice child [ 74.244500] Killed process 2077 (getty) total-vm:14592kB, anon-rss:168kB, file-rss:0kB, shmem-rss:0kB [ 74.268740] oom_reaper: reaped process 2077 (getty), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 74.376271] oom_reaper: reaped process 2106 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 74.377217] Out of memory: Kill process 2074 (getty) score 0 or sacrifice child [ 74.377236] Killed process 2074 (getty) total-vm:14592kB, anon-rss:164kB, file-rss:0kB, shmem-rss:0kB [ 74.379323] oom_reaper: reaped process 2074 (getty), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 74.380871] Out of memory: Kill process 2035 (getty) score 0 or sacrifice child [ 74.380906] Killed process 2035 (getty) total-vm:14592kB, anon-rss:156kB, file-rss:4kB, shmem-rss:0kB [ 74.381329] oom_reaper: reaped process 2035 (getty), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 74.382837] Out of memory: Kill process 2076 (getty) score 0 or sacrifice child [ 74.382850] Killed process 2076 (getty) total-vm:14592kB, anon-rss:160kB, file-rss:0kB, shmem-rss:0kB [ 74.383184] oom_reaper: reaped process 2076 (getty), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 74.385270] oom_reaper: reaped process 2097 (syz-executor.2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 74.387078] oom_reaper: reaped process 2108 (syz-executor.0), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 74.397457] syz-executor.0 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 [ 74.397467] CPU: 0 PID: 2993 Comm: syz-executor.0 Not tainted 4.9.168+ #39 [ 74.397483] ffff8801b60d7768 ffffffff81b4f5d1 ffff8801b60d7a18 ffffffff833ee230 [ 74.397494] 00000000000003e8 ffff8801b60d7a30 0000000000000000 ffff8801b60d77e8 [ 74.397505] ffffffff815011eb 0000000000000000 00000000000003e8 ffff8801d75ba068 [ 74.397507] Call Trace: [ 74.397521] [<00000000cff0836e>] dump_stack+0xc1/0x120 [ 74.397532] [<00000000d7f74d0c>] dump_header.isra.0+0x142/0x74c [ 74.397541] [<0000000016dea484>] ? out_of_memory+0x6bc/0xeb0 [ 74.397550] [<000000004b2fe17a>] out_of_memory.cold+0xd/0x5d [ 74.397558] [<000000002ff99591>] ? out_of_memory+0x405/0xeb0 [ 74.397566] [<00000000a3c7d22c>] ? oom_killer_disable+0x210/0x210 [ 74.397575] [<000000007772a636>] ? trace_hardirqs_on+0xd/0x10 [ 74.397584] [<0000000024ec04f2>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 74.397593] [<00000000e43af575>] __alloc_pages_nodemask+0x1730/0x1a80 [ 74.397602] [<00000000187fe471>] ? __schedule+0x6d6/0x1f10 [ 74.397612] [<0000000020e0f869>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 74.397621] [<000000004c920a40>] __vmalloc_node_range+0x25b/0x610 [ 74.397629] [<0000000022e94520>] ? xt_alloc_table_info+0xc8/0x100 [ 74.397637] [<0000000048069a05>] vmalloc+0x5c/0x70 [ 74.397645] [<0000000022e94520>] ? xt_alloc_table_info+0xc8/0x100 [ 74.397653] [<0000000022e94520>] xt_alloc_table_info+0xc8/0x100 [ 74.397662] [<000000000aaf9fb0>] do_ipt_set_ctl+0x22b/0x470 [ 74.397678] [<00000000a10534d7>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 74.397687] [<00000000af6cd1ac>] ? mutex_unlock+0x9/0x10 [ 74.397696] [<000000003064b149>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 74.397704] [<00000000d6bd7aba>] nf_setsockopt+0x6d/0xc0 [ 74.397713] [<0000000016f19f55>] ip_setsockopt+0x8a/0xa0 [ 74.397722] [<0000000038551d5c>] udp_setsockopt+0x4e/0x90 [ 74.397731] [<00000000bb580eec>] ipv6_setsockopt+0xa4/0x140 [ 74.397738] [<0000000095dad68a>] tcp_setsockopt+0x8a/0xe0 [ 74.397748] [<000000007476900b>] sock_common_setsockopt+0x9a/0xe0 [ 74.397756] [<00000000144ce533>] SyS_setsockopt+0x159/0x240 [ 74.397764] [<00000000d1d115c8>] ? SyS_recv+0x40/0x40 [ 74.397774] [<000000002f1b9845>] ? SyS_clock_gettime+0x118/0x1f0 [ 74.397781] [<00000000543e60d4>] ? do_syscall_64+0x4a/0x570 [ 74.397789] [<00000000d1d115c8>] ? SyS_recv+0x40/0x40 [ 74.397796] [<0000000012209b9a>] do_syscall_64+0x1ad/0x570 [ 74.397805] [<00000000d39fbed4>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 74.397808] Mem-Info: [ 74.397827] active_anon:797 inactive_anon:41 isolated_anon:0 [ 74.397827] active_file:30 inactive_file:31 isolated_file:0 [ 74.397827] unevictable:0 dirty:12 writeback:0 unstable:0 [ 74.397827] slab_reclaimable:3961 slab_unreclaimable:58600 [ 74.397827] mapped:2 shmem:48 pagetables:168 bounce:0 [ 74.397827] free:6046 free_pcp:379 free_cma:0 [ 74.397842] Node 0 active_anon:3188kB inactive_anon:164kB active_file:120kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:48kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes [ 74.397861] DMA32 free:18628kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020112kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:28kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 [ 74.397890] Normal free:5556kB min:5580kB low:9168kB high:12756kB active_anon:3188kB inactive_anon:164kB active_file:120kB inactive_file:124kB unevictable:0kB writepending:48kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15844kB slab_unreclaimable:234372kB kernel_stack:3360kB pagetables:672kB bounce:0kB free_pcp:1396kB local_pcp:676kB free_cma:0kB lowmem_reserve[]: 0 0 0 [ 74.397951] DMA32: 3*4kB (M) 1*8kB (U) 5*16kB (UM) 1*32kB (M) 3*64kB (M) 3*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18628kB Normal: 455*4kB (MEH) 213*8kB (MEH) 30*16kB (UMH) 17*32kB (UMH) 7*64kB (H) 1*128kB (H) 0*256kB 1*512kB (H) 0*1024kB 0*2048kB 0*4096kB = 5636kB 109 total pagecache pages [ 74.397998] 0 pages in swap cache [ 74.398002] Swap cache stats: add 0, delete 0, find 0/0 [ 74.398004] Free swap = 0kB [ 74.398007] Total swap = 0kB [ 74.398009] 1965979 pages RAM [ 74.398011] 0 pages HighMem/MovableOnly [ 74.398014] 313622 pages reserved [ 74.398016] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 74.398032] [ 470] 0 470 5417 210 16 3 0 -1000 udevd [ 74.398044] [ 636] 0 636 5416 212 15 3 0 -1000 udevd [ 74.398055] [ 637] 0 637 5482 270 15 3 0 -1000 udevd [ 74.398070] [ 2005] 0 2005 12489 153 29 3 0 -1000 sshd [ 74.398084] [ 2074] 0 2074 3648 0 13 3 0 0 getty [ 74.398112] [ 2957] 0 2952 9506 0 9 4 0 1000 syz-executor.2 [ 74.398124] [ 2991] 0 2986 9506 0 9 4 0 1000 syz-executor.3 [ 74.398136] [ 2993] 0 2989 9506 0 9 4 0 1000 syz-executor.0 [ 74.398150] [ 3003] 0 3001 9506 0 10 4 0 1000 syz-executor.5 [ 74.398163] [ 3015] 0 3014 9506 0 9 4 0 1000 syz-executor.1 [ 74.398175] [ 3020] 0 3018 9506 0 9 4 0 1000 syz-executor.4 [ 74.398189] Kernel panic - not syncing: Out of memory and no killable processes... [ 74.398189] [ 74.398196] CPU: 0 PID: 2993 Comm: syz-executor.0 Not tainted 4.9.168+ #39 [ 74.398208] ffff8801b60d7708 ffffffff81b4f5d1 0000000000000000 ffffffff82a96f00 [ 74.398219] 00000000ffffffff 0000000000000000 ffffffff83031180 ffff8801b60d77e8 [ 74.398230] ffffffff813f945a 0000000041b58ab3 ffffffff82e2ec5a ffffffff813f9281 [ 74.398232] Call Trace: [ 74.398240] [<00000000cff0836e>] dump_stack+0xc1/0x120 [ 74.398249] [<000000006396f5f0>] panic+0x1d9/0x3bd [ 74.398257] [<00000000ecea5674>] ? add_taint.cold+0x16/0x16 [ 74.398265] [<00000000b5648b1f>] ? dump_header.isra.0+0x711/0x74c [ 74.398274] [<00000000c9c52f7f>] ? dump_header.isra.0+0x73d/0x74c [ 74.398282] [<00000000c9c52f7f>] ? dump_header.isra.0+0x73d/0x74c [ 74.398290] [<000000009d95fdd1>] out_of_memory.cold+0x1e/0x5d [ 74.398298] [<000000002ff99591>] ? out_of_memory+0x405/0xeb0 [ 74.398306] [<00000000a3c7d22c>] ? oom_killer_disable+0x210/0x210 [ 74.398313] [<000000007772a636>] ? trace_hardirqs_on+0xd/0x10 [ 74.398328] [<0000000024ec04f2>] ? __alloc_pages_nodemask+0x10d0/0x1a80 [ 74.398335] [<00000000e43af575>] __alloc_pages_nodemask+0x1730/0x1a80 [ 74.398342] [<00000000187fe471>] ? __schedule+0x6d6/0x1f10 [ 74.398350] [<0000000020e0f869>] ? gfp_pfmemalloc_allowed+0x110/0x110 [ 74.398357] [<000000004c920a40>] __vmalloc_node_range+0x25b/0x610 [ 74.398363] [<0000000022e94520>] ? xt_alloc_table_info+0xc8/0x100 [ 74.398370] [<0000000048069a05>] vmalloc+0x5c/0x70 [ 74.398376] [<0000000022e94520>] ? xt_alloc_table_info+0xc8/0x100 [ 74.398383] [<0000000022e94520>] xt_alloc_table_info+0xc8/0x100 [ 74.398390] [<000000000aaf9fb0>] do_ipt_set_ctl+0x22b/0x470 [ 74.398397] [<00000000a10534d7>] ? compat_do_ipt_set_ctl+0x150/0x150 [ 74.398405] [<00000000af6cd1ac>] ? mutex_unlock+0x9/0x10 [ 74.398412] [<000000003064b149>] ? nf_sockopt_find.constprop.0+0x1b7/0x230 [ 74.398419] [<00000000d6bd7aba>] nf_setsockopt+0x6d/0xc0 [ 74.398427] [<0000000016f19f55>] ip_setsockopt+0x8a/0xa0 [ 74.398435] [<0000000038551d5c>] udp_setsockopt+0x4e/0x90 [ 74.398443] [<00000000bb580eec>] ipv6_setsockopt+0xa4/0x140 [ 74.398450] [<0000000095dad68a>] tcp_setsockopt+0x8a/0xe0 [ 74.398458] [<000000007476900b>] sock_common_setsockopt+0x9a/0xe0 [ 74.398466] [<00000000144ce533>] SyS_setsockopt+0x159/0x240 [ 74.398474] [<00000000d1d115c8>] ? SyS_recv+0x40/0x40 [ 74.398482] [<000000002f1b9845>] ? SyS_clock_gettime+0x118/0x1f0 [ 74.398489] [<00000000543e60d4>] ? do_syscall_64+0x4a/0x570 [ 74.398496] [<00000000d1d115c8>] ? SyS_recv+0x40/0x40 [ 74.398503] [<0000000012209b9a>] do_syscall_64+0x1ad/0x570 [ 74.398511] [<00000000d39fbed4>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 74.398926] Kernel Offset: disabled [ 83.944458] Rebooting in 86400 seconds..