lowmemorykiller: Killing 'syz-executor568' (2048) (tgid 2048), adj 1000,
   to free 48kB on behalf of 'syz-executor568' (2050) because
   cache 33924kB is below limit 65536kB for oom_score_adj 12
   Free memory is -13428kB above reserved
=================================
[ INFO: inconsistent lock state ]
4.9.189+ #3 Not tainted
---------------------------------
inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage.
syz-executor568/2050 [HC0[0]:SC0[0]:HE1:SE1] takes:
 (&mm->mmap_sem){+++++?}, at: [<000000003474d308>] get_cmdline+0xa3/0x2d0 mm/util.c:641
  mark_held_locks+0xb1/0x100 kernel/locking/lockdep.c:2660
  __lockdep_trace_alloc kernel/locking/lockdep.c:2882 [inline]
  lockdep_trace_alloc+0x18c/0x2b0 kernel/locking/lockdep.c:2897
  __alloc_pages_nodemask+0x143/0x1a80 mm/page_alloc.c:3803
  __alloc_pages include/linux/gfp.h:433 [inline]
  __alloc_pages_node include/linux/gfp.h:446 [inline]
  alloc_pages_node include/linux/gfp.h:460 [inline]
  pmd_alloc_one arch/x86/include/asm/pgalloc.h:88 [inline]
  __pmd_alloc+0x4a/0x330 mm/memory.c:3742
  pmd_alloc include/linux/mm.h:1625 [inline]
  alloc_new_pmd mm/mremap.c:64 [inline]
  move_page_tables+0xadb/0xd60 mm/mremap.c:212
  shift_arg_pages+0x1ae/0x470 fs/exec.c:642
  setup_arg_pages+0x60d/0x7c0 fs/exec.c:754
  load_elf_binary+0xa84/0x4a90 fs/binfmt_elf.c:860
  search_binary_handler fs/exec.c:1621 [inline]
  search_binary_handler+0x14f/0x700 fs/exec.c:1599
  exec_binprm fs/exec.c:1663 [inline]
  do_execveat_common.isra.0+0xf81/0x1db0 fs/exec.c:1785
  do_execve+0x3a/0x50 fs/exec.c:1829
  run_init_process+0x33/0x37 init/main.c:904
  try_to_run_init_process+0x18/0x48 init/main.c:913
  kernel_init+0xf2/0x163 init/main.c:984
  ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:375
irq event stamp: 612085
hardirqs last  enabled at (612085): [<0000000058335754>] vprintk_emit+0x25c/0x6f0 kernel/printk/printk.c:1897
hardirqs last disabled at (612084): [<00000000430a3876>] vprintk_emit+0x6d/0x6f0 kernel/printk/printk.c:1801
softirqs last  enabled at (611642): [<00000000f64662da>] __do_softirq+0x474/0x964 kernel/softirq.c:314
softirqs last disabled at (611635): [<00000000491426ae>] invoke_softirq kernel/softirq.c:368 [inline]
softirqs last disabled at (611635): [<00000000491426ae>] irq_exit+0x119/0x160 kernel/softirq.c:409

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(&mm->mmap_sem);
  <Interrupt>
    lock(&mm->mmap_sem);

 *** DEADLOCK ***

1 lock held by syz-executor568/2050:
 #0:  (shrinker_rwsem){++++..}, at: [<00000000a89b8a6e>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472

stack backtrace:
CPU: 0 PID: 2050 Comm: syz-executor568 Not tainted 4.9.189+ #3
 ffff8801cf286fe0 ffffffff81b65c01 00000000000000f0 ffff8801d06fc740
 ffffffff83caf950 ffff8801d06fd038 ffffffff84250fc0 ffff8801cf287058
 ffffffff81408330 0000000000000000 ffffffff00000001 0000000000000001
Call Trace:
 [<0000000034afe4f0>] __dump_stack lib/dump_stack.c:15 [inline]
 [<0000000034afe4f0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<000000009d5688c0>] print_usage_bug kernel/locking/lockdep.c:2387 [inline]
 [<000000009d5688c0>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354
 [<00000000477edf69>] valid_state kernel/locking/lockdep.c:2400 [inline]
 [<00000000477edf69>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline]
 [<00000000477edf69>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065
 [<000000009ed3c5a3>] mark_irqflags kernel/locking/lockdep.c:2958 [inline]
 [<000000009ed3c5a3>] __lock_acquire+0x5be/0x4390 kernel/locking/lockdep.c:3302
 [<00000000ff836f88>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756
 [<0000000038d58e43>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22
 [<000000003474d308>] get_cmdline+0xa3/0x2d0 mm/util.c:641
 [<00000000a0e1bd10>] handle_lmk_event+0x169/0x920 drivers/staging/android/lowmemorykiller.c:116
 [<00000000217166b4>] lowmem_scan+0x6f3/0xb70 drivers/staging/android/lowmemorykiller.c:354
 [<00000000b7bb8424>] do_shrink_slab mm/vmscan.c:399 [inline]
 [<00000000b7bb8424>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502
 [<00000000529e100b>] shrink_slab mm/vmscan.c:466 [inline]
 [<00000000529e100b>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604
 [<00000000ddbe7dec>] shrink_zones mm/vmscan.c:2751 [inline]
 [<00000000ddbe7dec>] do_try_to_free_pages mm/vmscan.c:2793 [inline]
 [<00000000ddbe7dec>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004
 [<00000000c5bea9b9>] __perform_reclaim mm/page_alloc.c:3332 [inline]
 [<00000000c5bea9b9>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline]
 [<00000000c5bea9b9>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline]
 [<00000000c5bea9b9>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861
 [<000000006d059ead>] __alloc_pages include/linux/gfp.h:433 [inline]
 [<000000006d059ead>] __alloc_pages_node include/linux/gfp.h:446 [inline]
 [<000000006d059ead>] alloc_pages_node include/linux/gfp.h:460 [inline]
 [<000000006d059ead>] __vmalloc_area_node mm/vmalloc.c:1648 [inline]
 [<000000006d059ead>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706
 [<0000000006c80ec1>] __vmalloc_node mm/vmalloc.c:1749 [inline]
 [<0000000006c80ec1>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline]
 [<0000000006c80ec1>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778
 [<00000000100c62f5>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997
 [<00000000d8fdc954>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979
 [<000000009c1c728c>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469
 [<00000000cb0d94aa>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
 [<00000000cb0d94aa>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114
 [<00000000807c7037>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline]
 [<00000000807c7037>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232
 [<00000000b16e859a>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline]
 [<00000000b16e859a>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753
 [<00000000b8864641>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710
 [<00000000d2ff5252>] SYSC_setsockopt net/socket.c:1786 [inline]
 [<00000000d2ff5252>] SyS_setsockopt+0x159/0x240 net/socket.c:1765
 [<00000000511fca49>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<0000000031aebb0a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
syz-executor568: vmalloc: allocation failure, allocated 1103941632 of 4228063232 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM)
CPU: 0 PID: 2048 Comm: syz-executor568 Not tainted 4.9.189+ #3
 ffff8801cf367980 ffffffff81b65c01 1ffff10039e6cf32 dffffc0000000000
 ffffffff82aab240 0000000000000000 0000000000400000 ffff8801cf367aa8
 ffffffff81507d73 0000000041b58ab3 ffffffff82e3b338 ffffffff81431920
Call Trace:
 [<0000000034afe4f0>] __dump_stack lib/dump_stack.c:15 [inline]
 [<0000000034afe4f0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<00000000a3d84fe2>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069
 [<000000001bcc88a3>] __vmalloc_area_node mm/vmalloc.c:1665 [inline]
 [<000000001bcc88a3>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706
 [<0000000006c80ec1>] __vmalloc_node mm/vmalloc.c:1749 [inline]
 [<0000000006c80ec1>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline]
 [<0000000006c80ec1>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778
 [<00000000100c62f5>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997
 [<00000000d8fdc954>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979
 [<000000009c1c728c>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469
 [<00000000cb0d94aa>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
 [<00000000cb0d94aa>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114
 [<00000000807c7037>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline]
 [<00000000807c7037>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232
 [<00000000b16e859a>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline]
 [<00000000b16e859a>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753
 [<00000000b8864641>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710
 [<00000000d2ff5252>] SYSC_setsockopt net/socket.c:1786 [inline]
 [<00000000d2ff5252>] SyS_setsockopt+0x159/0x240 net/socket.c:1765
 [<00000000511fca49>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<0000000031aebb0a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Mem-Info:
active_anon:3243 inactive_anon:40 isolated_anon:0
 active_file:9 inactive_file:33 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:4248 slab_unreclaimable:56796
 mapped:11 shmem:48 pagetables:352 bounce:0
 free:16 free_pcp:0 free_cma:0
Node 0 active_anon:12972kB inactive_anon:160kB active_file:36kB inactive_file:132kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:44kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no
DMA32 free:64kB 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:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12972kB inactive_anon:160kB active_file:36kB inactive_file:132kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16992kB slab_unreclaimable:227184kB kernel_stack:3456kB pagetables:1408kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
313625 pages reserved
oom_reaper: reaped process 2048 (syz-executor568), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
syz-executor568 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000
CPU: 0 PID: 2054 Comm: syz-executor568 Not tainted 4.9.189+ #3
 ffff8801cf1e76a8 ffffffff81b65c01 ffff8801cf1e7a00 ffffffff833f14f0
 00000000000003e8 ffff8801cf1e7a18 0000000000000000 ffff8801cf1e7728
 ffffffff81506abb 0000000000000000 00000000000003e8 ffffffff828289d5
Call Trace:
 [<0000000034afe4f0>] __dump_stack lib/dump_stack.c:15 [inline]
 [<0000000034afe4f0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<000000005126ee7d>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417
 [<00000000cbdb0df1>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852
 [<0000000054eb966d>] out_of_memory mm/oom_kill.c:1069 [inline]
 [<0000000054eb966d>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009
 [<0000000033ac0015>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline]
 [<0000000033ac0015>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline]
 [<0000000033ac0015>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861
 [<000000006d059ead>] __alloc_pages include/linux/gfp.h:433 [inline]
 [<000000006d059ead>] __alloc_pages_node include/linux/gfp.h:446 [inline]
 [<000000006d059ead>] alloc_pages_node include/linux/gfp.h:460 [inline]
 [<000000006d059ead>] __vmalloc_area_node mm/vmalloc.c:1648 [inline]
 [<000000006d059ead>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706
 [<0000000006c80ec1>] __vmalloc_node mm/vmalloc.c:1749 [inline]
 [<0000000006c80ec1>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline]
 [<0000000006c80ec1>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778
 [<00000000100c62f5>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997
 [<00000000d8fdc954>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979
 [<000000009c1c728c>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469
 [<00000000cb0d94aa>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
 [<00000000cb0d94aa>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114
 [<00000000807c7037>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline]
 [<00000000807c7037>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232
 [<00000000b16e859a>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline]
 [<00000000b16e859a>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753
 [<00000000b8864641>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710
 [<00000000d2ff5252>] SYSC_setsockopt net/socket.c:1786 [inline]
 [<00000000d2ff5252>] SyS_setsockopt+0x159/0x240 net/socket.c:1765
 [<00000000511fca49>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<0000000031aebb0a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Mem-Info:
active_anon:3243 inactive_anon:40 isolated_anon:0
 active_file:13 inactive_file:21 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:4248 slab_unreclaimable:56797
 mapped:7 shmem:48 pagetables:352 bounce:0
 free:0 free_pcp:8 free_cma:0
Node 0 active_anon:12972kB inactive_anon:160kB active_file:52kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? no
DMA32 free:0kB 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:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12972kB inactive_anon:160kB active_file:52kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16992kB slab_unreclaimable:227188kB kernel_stack:3456kB pagetables:1408kB bounce:0kB free_pcp:32kB local_pcp:0kB free_cma:0kB
DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
313625 pages reserved
[ pid ]   uid  tgid total_vm      rss nr_ptes nr_pmds swapents oom_score_adj name
[  470]     0   470     5403      187      15       3        0         -1000 udevd
[  576]     0   576     5393      187      14       3        0         -1000 udevd
[  577]     0   577     5396      187      14       3        0         -1000 udevd
[ 1745]     0  1745     2492      573       7       3        0             0 dhclient
[ 1886]     0  1886    14231      110      23       3        0             0 rsyslogd
[ 1932]     0  1932     4724       50      15       3        0             0 cron
[ 1959]     0  1959    12926     1226      27       3        0             0 restorecond
[ 1974]     0  1974     3734       44      12       3        0             0 mcstransd
[ 1987]     0  1987    12489      152      28       3        0         -1000 sshd
[ 2017]     0  2017     3648       39      13       3        0             0 getty
[ 2024]     0  2024     3648       44      12       3        0             0 getty
[ 2025]     0  2025     3648       43      13       3        0             0 getty
[ 2026]     0  2026     3648       42      12       3        0             0 getty
[ 2027]     0  2027     3648       44      13       3        0             0 getty
[ 2028]     0  2028     3648       43      13       3        0             0 getty
[ 2029]     0  2029     3648       42      13       3        0             0 getty
[ 2042]     0  2042    17820      198      39       3        0             0 sshd
[ 2044]     0  2044     4380        1       4       2        0             0 syz-executor568
[ 2045]     0  2045     4380       12       4       2        0             0 syz-executor568
[ 2046]     0  2046     4380       12       4       2        0             0 syz-executor568
[ 2047]     0  2047     4380       12       4       2        0             0 syz-executor568
[ 2048]     0  2048     4380        0       5       2        0          1000 syz-executor568
[ 2049]     0  2049     4380       12       4       2        0             0 syz-executor568
[ 2050]     0  2050     4380       12       5       2        0          1000 syz-executor568
[ 2051]     0  2051     4380       12       4       2        0             0 syz-executor568
[ 2052]     0  2052     4380       12       4       2        0             0 syz-executor568
[ 2053]     0  2053     4380       12       5       2        0          1000 syz-executor568
[ 2054]     0  2054     4380       12       5       2        0          1000 syz-executor568
[ 2055]     0  2055     4380       12       5       2        0          1000 syz-executor568
[ 2056]     0  2056     4380       12       5       2        0          1000 syz-executor568
Out of memory: Kill process 2050 (syz-executor568) score 999 or sacrifice child
Killed process 2050 (syz-executor568) total-vm:17520kB, anon-rss:48kB, file-rss:0kB, shmem-rss:0kB
oom_reaper: reaped process 2050 (syz-executor568), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
syz-executor568: vmalloc: allocation failure, allocated 1246490624 of 4228063232 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM)
CPU: 0 PID: 2050 Comm: syz-executor568 Not tainted 4.9.189+ #3
 ffff8801cf287980 ffffffff81b65c01 1ffff10039e50f32 dffffc0000000000
 ffffffff82aab240 0000000000000000 0000000000400000 ffff8801cf287aa8
 ffffffff81507d73 0000000041b58ab3 ffffffff82e3b338 ffffffff81431920
Call Trace:
 [<0000000034afe4f0>] __dump_stack lib/dump_stack.c:15 [inline]
 [<0000000034afe4f0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<00000000a3d84fe2>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069
 [<000000001bcc88a3>] __vmalloc_area_node mm/vmalloc.c:1665 [inline]
 [<000000001bcc88a3>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706
 [<0000000006c80ec1>] __vmalloc_node mm/vmalloc.c:1749 [inline]
 [<0000000006c80ec1>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline]
 [<0000000006c80ec1>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778
 [<00000000100c62f5>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997
 [<00000000d8fdc954>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979
 [<000000009c1c728c>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469
 [<00000000cb0d94aa>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
 [<00000000cb0d94aa>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114
 [<00000000807c7037>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline]
 [<00000000807c7037>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232
 [<00000000b16e859a>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline]
 [<00000000b16e859a>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753
 [<00000000b8864641>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710
 [<00000000d2ff5252>] SYSC_setsockopt net/socket.c:1786 [inline]
 [<00000000d2ff5252>] SyS_setsockopt+0x159/0x240 net/socket.c:1765
 [<00000000511fca49>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<0000000031aebb0a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Mem-Info:
active_anon:3243 inactive_anon:40 isolated_anon:0
 active_file:13 inactive_file:21 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:4248 slab_unreclaimable:56797
 mapped:7 shmem:48 pagetables:352 bounce:0
 free:0 free_pcp:8 free_cma:0
Node 0 active_anon:12972kB inactive_anon:160kB active_file:52kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:2 all_unreclaimable? no
DMA32 free:0kB 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:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12972kB inactive_anon:160kB active_file:52kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16992kB slab_unreclaimable:227188kB kernel_stack:3456kB pagetables:1408kB bounce:0kB free_pcp:32kB local_pcp:32kB free_cma:0kB
DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
313625 pages reserved
ODEBUG: Out of memory. ODEBUG disabled
lowmemorykiller: Killing 'syz-executor568' (2053) (tgid 2053), adj 1000,
   to free 48kB on behalf of 'syz-executor568' (2059) because
   cache 2160kB is below limit 6144kB for oom_score_adj 0
   Free memory is -13380kB above reserved
oom_reaper: reaped process 2053 (syz-executor568), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
syz-executor568 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000
CPU: 1 PID: 2059 Comm: syz-executor568 Not tainted 4.9.189+ #3
 ffff8801cf2876a8 ffffffff81b65c01 ffff8801cf287a00 ffffffff833f14f0
 00000000000003e8 ffff8801cf287a18 0000000000000000 ffff8801cf287728
 ffffffff81506abb 0000000000000000 00000000000003e8 ffffffff828289d5
Call Trace:
 [<0000000034afe4f0>] __dump_stack lib/dump_stack.c:15 [inline]
 [<0000000034afe4f0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<000000005126ee7d>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417
 [<00000000cbdb0df1>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852
 [<0000000054eb966d>] out_of_memory mm/oom_kill.c:1069 [inline]
 [<0000000054eb966d>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009
 [<0000000033ac0015>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline]
 [<0000000033ac0015>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline]
 [<0000000033ac0015>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861
 [<000000006d059ead>] __alloc_pages include/linux/gfp.h:433 [inline]
 [<000000006d059ead>] __alloc_pages_node include/linux/gfp.h:446 [inline]
 [<000000006d059ead>] alloc_pages_node include/linux/gfp.h:460 [inline]
 [<000000006d059ead>] __vmalloc_area_node mm/vmalloc.c:1648 [inline]
 [<000000006d059ead>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706
 [<0000000006c80ec1>] __vmalloc_node mm/vmalloc.c:1749 [inline]
 [<0000000006c80ec1>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline]
 [<0000000006c80ec1>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778
 [<00000000100c62f5>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997
 [<00000000d8fdc954>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979
 [<000000009c1c728c>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469
 [<00000000cb0d94aa>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
 [<00000000cb0d94aa>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114
 [<00000000807c7037>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline]
 [<00000000807c7037>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232
 [<00000000b16e859a>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline]
 [<00000000b16e859a>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753
 [<00000000b8864641>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710
 [<00000000d2ff5252>] SYSC_setsockopt net/socket.c:1786 [inline]
 [<00000000d2ff5252>] SyS_setsockopt+0x159/0x240 net/socket.c:1765
 [<00000000511fca49>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<0000000031aebb0a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Mem-Info:
active_anon:3243 inactive_anon:40 isolated_anon:0
 active_file:5 inactive_file:24 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:4252 slab_unreclaimable:56809
 mapped:8 shmem:48 pagetables:352 bounce:0
 free:6033 free_pcp:68 free_cma:0
Node 0 active_anon:12972kB inactive_anon:160kB active_file:20kB inactive_file:96kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no
DMA32 free:18640kB 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:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB
Normal free:5492kB min:5580kB low:9168kB high:12756kB active_anon:12972kB inactive_anon:160kB active_file:20kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17008kB slab_unreclaimable:227236kB kernel_stack:3456kB pagetables:1408kB bounce:0kB free_pcp:152kB local_pcp:152kB free_cma:0kB
DMA32: 1*4kB (M) 4*8kB (UM) 2*16kB (UM) 1*32kB (M) 0*64kB 3*128kB (UM) 3*256kB (UM) 0*512kB 1*1024kB (M) 0*2048kB 4*4096kB (U) = 18660kB
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
313625 pages reserved
[ pid ]   uid  tgid total_vm      rss nr_ptes nr_pmds swapents oom_score_adj name
[  470]     0   470     5403      187      15       3        0         -1000 udevd
[  576]     0   576     5393      187      14       3        0         -1000 udevd
[  577]     0   577     5396      187      14       3        0         -1000 udevd
[ 1745]     0  1745     2492      573       7       3        0             0 dhclient
[ 1886]     0  1886    14231      110      23       3        0             0 rsyslogd
[ 1932]     0  1932     4724       50      15       3        0             0 cron
[ 1959]     0  1959    12926     1226      27       3        0             0 restorecond
[ 1974]     0  1974     3734       44      12       3        0             0 mcstransd
[ 1987]     0  1987    12489      152      28       3        0         -1000 sshd
[ 2017]     0  2017     3648       39      13       3        0             0 getty
[ 2024]     0  2024     3648       44      12       3        0             0 getty
[ 2025]     0  2025     3648       43      13       3        0             0 getty
[ 2026]     0  2026     3648       42      12       3        0             0 getty
[ 2027]     0  2027     3648       44      13       3        0             0 getty
[ 2028]     0  2028     3648       43      13       3        0             0 getty
[ 2029]     0  2029     3648       42      13       3        0             0 getty
[ 2042]     0  2042    17820      197      39       3        0             0 sshd
[ 2044]     0  2044     4380        1       4       2        0             0 syz-executor568
[ 2045]     0  2045     4380       12       4       2        0             0 syz-executor568
[ 2046]     0  2046     4380       12       4       2        0             0 syz-executor568
[ 2047]     0  2047     4380       12       4       2        0             0 syz-executor568
[ 2049]     0  2049     4380       12       4       2        0             0 syz-executor568
[ 2051]     0  2051     4380       12       4       2        0             0 syz-executor568
[ 2052]     0  2052     4380       12       4       2        0             0 syz-executor568
[ 2053]     0  2053     4380        0       5       2        0          1000 syz-executor568
[ 2054]     0  2054     4380       12       5       2        0          1000 syz-executor568
[ 2055]     0  2055     4380       12       5       2        0          1000 syz-executor568
[ 2056]     0  2056     4380       12       5       2        0          1000 syz-executor568
[ 2058]     0  2058     4380       12       5       2        0          1000 syz-executor568
[ 2059]     0  2059     4380       12       5       2        0          1000 syz-executor568
Out of memory: Kill process 2054 (syz-executor568) score 999 or sacrifice child
Killed process 2054 (syz-executor568) total-vm:17520kB, anon-rss:48kB, file-rss:0kB, shmem-rss:0kB
syz-executor568: vmalloc: allocation failure, allocated 1032175616 of 4228063232 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM)
CPU: 0 PID: 2054 Comm: syz-executor568 Not tainted 4.9.189+ #3
 ffff8801cf1e7980 ffffffff81b65c01 1ffff10039e3cf32 dffffc0000000000
 ffffffff82aab240 0000000000000000 0000000000400000 ffff8801cf1e7aa8
 ffffffff81507d73 0000000041b58ab3 ffffffff82e3b338 ffffffff81431920
Call Trace:
 [<0000000034afe4f0>] __dump_stack lib/dump_stack.c:15 [inline]
 [<0000000034afe4f0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<00000000a3d84fe2>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069
 [<000000001bcc88a3>] __vmalloc_area_node mm/vmalloc.c:1665 [inline]
 [<000000001bcc88a3>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706
 [<0000000006c80ec1>] __vmalloc_node mm/vmalloc.c:1749 [inline]
 [<0000000006c80ec1>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline]
 [<0000000006c80ec1>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778
 [<00000000100c62f5>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997
 [<00000000d8fdc954>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979
 [<000000009c1c728c>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469
 [<00000000cb0d94aa>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
 [<00000000cb0d94aa>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114
 [<00000000807c7037>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline]
 [<00000000807c7037>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232
 [<00000000b16e859a>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline]
 [<00000000b16e859a>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753
 [<00000000b8864641>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710
 [<00000000d2ff5252>] SYSC_setsockopt net/socket.c:1786 [inline]
 [<00000000d2ff5252>] SyS_setsockopt+0x159/0x240 net/socket.c:1765
 [<00000000511fca49>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<0000000031aebb0a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Mem-Info:
active_anon:3235 inactive_anon:40 isolated_anon:0
 active_file:5 inactive_file:24 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:4252 slab_unreclaimable:56809
 mapped:8 shmem:48 pagetables:352 bounce:0
 free:14 free_pcp:0 free_cma:0
Node 0 active_anon:12940kB inactive_anon:160kB active_file:20kB inactive_file:96kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:32kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no
DMA32 free:56kB 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:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12940kB inactive_anon:160kB active_file:20kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17008kB slab_unreclaimable:227236kB kernel_stack:3456kB pagetables:1408kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
313625 pages reserved
oom_reaper: reaped process 2054 (syz-executor568), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
syz-executor568 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000
CPU: 1 PID: 2059 Comm: syz-executor568 Not tainted 4.9.189+ #3
 ffff8801cf2876a8 ffffffff81b65c01 ffff8801cf287a00 ffffffff833f14f0
 00000000000003e8 ffff8801cf287a18 0000000000000000 ffff8801cf287728
 ffffffff81506abb 0000000000000000 00000000000003e8 ffffffff828289d5
Call Trace:
 [<0000000034afe4f0>] __dump_stack lib/dump_stack.c:15 [inline]
 [<0000000034afe4f0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<000000005126ee7d>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417
 [<00000000cbdb0df1>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852
syz-executor568: 
 [<0000000054eb966d>] out_of_memory mm/oom_kill.c:1069 [inline]
 [<0000000054eb966d>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009
, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM)
 [<0000000033ac0015>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline]
 [<0000000033ac0015>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline]
 [<0000000033ac0015>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861
 [<000000006d059ead>] __alloc_pages include/linux/gfp.h:433 [inline]
 [<000000006d059ead>] __alloc_pages_node include/linux/gfp.h:446 [inline]
 [<000000006d059ead>] alloc_pages_node include/linux/gfp.h:460 [inline]
 [<000000006d059ead>] __vmalloc_area_node mm/vmalloc.c:1648 [inline]
 [<000000006d059ead>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706
 [<0000000006c80ec1>] __vmalloc_node mm/vmalloc.c:1749 [inline]
 [<0000000006c80ec1>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline]
 [<0000000006c80ec1>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778
 [<00000000100c62f5>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997
 [<00000000d8fdc954>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979
 [<000000009c1c728c>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469
 [<00000000cb0d94aa>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
 [<00000000cb0d94aa>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114
 [<00000000807c7037>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline]
 [<00000000807c7037>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232
 [<00000000b16e859a>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline]
 [<00000000b16e859a>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753
 [<00000000b8864641>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710
 [<00000000d2ff5252>] SYSC_setsockopt net/socket.c:1786 [inline]
 [<00000000d2ff5252>] SyS_setsockopt+0x159/0x240 net/socket.c:1765
 [<00000000511fca49>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<0000000031aebb0a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Mem-Info:
CPU: 0 PID: 2053 Comm: syz-executor568 Not tainted 4.9.189+ #3
active_anon:3235 inactive_anon:40 isolated_anon:0
 active_file:5 inactive_file:24 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:4252 slab_unreclaimable:56809
 mapped:8 shmem:48 pagetables:352 bounce:0
 free:8 free_pcp:0 free_cma:0
 [<00000000511fca49>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<0000000031aebb0a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Mem-Info:
active_anon:3235 inactive_anon:40 isolated_anon:0
 active_file:5 inactive_file:24 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:4252 slab_unreclaimable:56809
 mapped:8 shmem:48 pagetables:352 bounce:0
 free:14 free_pcp:13 free_cma:0
 [<00000000511fca49>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
[ 1959]     0  1959    12926     1226      27       3        0             0 restorecond
 [<0000000033ac0015>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline]
 [<0000000033ac0015>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline]
 [<0000000033ac0015>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861
 [<000000006d059ead>] __alloc_pages include/linux/gfp.h:433 [inline]
 [<000000006d059ead>] __alloc_pages_node include/linux/gfp.h:446 [inline]
 [<000000006d059ead>] alloc_pages_node include/linux/gfp.h:460 [inline]
 [<000000006d059ead>] __vmalloc_area_node mm/vmalloc.c:1648 [inline]
 [<000000006d059ead>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706
 [<0000000006c80ec1>] __vmalloc_node mm/vmalloc.c:1749 [inline]
 [<0000000006c80ec1>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline]
 [<0000000006c80ec1>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778
 [<00000000100c62f5>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997
 [<00000000d8fdc954>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979
 [<000000009c1c728c>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469
 [<00000000cb0d94aa>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
 [<00000000cb0d94aa>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114
 [<00000000807c7037>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline]
 [<00000000807c7037>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232
 [<00000000b16e859a>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline]
 [<00000000b16e859a>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753
 [<00000000b8864641>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710
 [<00000000d2ff5252>] SYSC_setsockopt net/socket.c:1786 [inline]
 [<00000000d2ff5252>] SyS_setsockopt+0x159/0x240 net/socket.c:1765
 [<00000000511fca49>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<0000000031aebb0a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Mem-Info:
active_anon:3035 inactive_anon:40 isolated_anon:0
 active_file:26 inactive_file:53 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:4266 slab_unreclaimable:56636
 mapped:26 shmem:48 pagetables:336 bounce:0
 free:4759 free_pcp:226 free_cma:0
Node 0 active_anon:12140kB inactive_anon:160kB active_file:104kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:104kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no
DMA32 free:16408kB min:4696kB low:7712kB high:10728kB active_anon:300kB inactive_anon:0kB active_file:12kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:24kB slab_unreclaimable:172kB kernel_stack:256kB pagetables:284kB bounce:0kB free_pcp:644kB local_pcp:8kB free_cma:0kB
Normal free:2728kB min:5580kB low:9168kB high:12756kB active_anon:11840kB inactive_anon:160kB active_file:92kB inactive_file:164kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17040kB slab_unreclaimable:226372kB kernel_stack:3200kB pagetables:1060kB bounce:0kB free_pcp:152kB local_pcp:120kB free_cma:0kB
DMA32: 14*4kB (UM) 9*8kB (UM) 10*16kB (UM) 10*32kB (UM) 132*64kB (UM) 8*128kB (UM) 0*256kB 1*512kB (M) 0*1024kB 1*2048kB (U) 1*4096kB (U) = 16736kB
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965979 pages RAM
0 pages HighMem/MovableOnly
313625 pages reserved
[ pid ]   uid  tgid total_vm      rss nr_ptes nr_pmds swapents oom_score_adj name
[  470]     0   470     5403      187      15       3        0         -1000 udevd
[  576]     0   576     5393      187      14       3        0         -1000 udevd
[  577]     0   577     5396      187      14       3        0         -1000 udevd
[ 1745]     0  1745     2492      573       7       3        0             0 dhclient
[ 1886]     0  1886    14231      110      23       3        0             0 rsyslogd
[ 1932]     0  1932     4724       50      15       3        0             0 cron
[ 1959]     0  1959    12926     1226      27       3        0             0 restorecond
[ 1974]     0  1974     3734       44      12       3        0             0 mcstransd
[ 1987]     0  1987    12489      152      28       3        0         -1000 sshd
[ 2017]     0  2017     3648       39      13       3        0             0 getty
[ 2042]     0  2042    17820      198      39       3        0             0 sshd
[ 2044]     0  2044     4380        1       4       2        0             0 syz-executor568
[ 2045]     0  2045     4380       12       4       2        0             0 syz-executor568
[ 2046]     0  2046     4380       12       4       2        0             0 syz-executor568
[ 2047]     0  2047     4380       12       4       2        0             0 syz-executor568
[ 2049]     0  2049     4380       12       4       2        0             0 syz-executor568
[ 2051]     0  2051     4380       12       4       2        0             0 syz-executor568
[ 2052]     0  2052     4380       12       4       2        0             0 syz-executor568
[ 2058]     0  2058     4380        0       5       2        0          1000 syz-executor568
[ 2059]     0  2059     4380        0       5       2        0          1000 syz-executor568
[ 2060]     0  2060     4380       12       5       2        0          1000 syz-executor568
[ 2061]     0  2061     4380       12       5       2        0          1000 syz-executor568
[ 2062]     0  2062     4380       12       5       2        0          1000 syz-executor568
[  470]     0   470     5403      187      15       3        0         -1000 udevd
[  576]     0   576     5393      187      14       3        0         -1000 udevd
[  577]     0   577     5396      187      14       3        0         -1000 udevd
[ 1745]     0  1745     2492      573       7       3        0             0 dhclient
 ffff880107ea7980 ffffffff81b65c01 1ffff10020fd4f32 dffffc0000000000
 ffffffff82aab240 0000000000000000 0000000000400000 ffff880107ea7aa8
 ffffffff81507d73 0000000041b58ab3 ffffffff82e3b338 ffffffff81431920
Call Trace:
 [<0000000034afe4f0>] __dump_stack lib/dump_stack.c:15 [inline]
 [<0000000034afe4f0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<00000000a3d84fe2>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069
 [<000000001bcc88a3>] __vmalloc_area_node mm/vmalloc.c:1665 [inline]
 [<000000001bcc88a3>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706
 [<0000000006c80ec1>] __vmalloc_node mm/vmalloc.c:1749 [inline]
 [<0000000006c80ec1>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline]
 [<0000000006c80ec1>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778
 [<00000000100c62f5>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997
 [<00000000d8fdc954>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979
DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:300kB inactive_anon:0kB active_file:12kB inactive_file:48kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:24kB slab_unreclaimable:172kB kernel_stack:256kB pagetables:284kB bounce:0kB free_pcp:636kB local_pcp:0kB free_cma:0kB
Mem-Info:
active_anon:3035 inactive_anon:40 isolated_anon:0
 active_file:26 inactive_file:53 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:4266 slab_unreclaimable:56636
 mapped:26 shmem:48 pagetables:336 bounce:0
 free:649 free_pcp:147 free_cma:0
Node 0 active_anon:12140kB inactive_anon:160kB active_file:104kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:104kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no
 [<000000009c1c728c>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469
[ 2046]     0  2046     4380       12       4       2        0             0 syz-executor568
[ 2047]     0  2047     4380       12       4       2        0             0 syz-executor568
[ 2049]     0  2049     4380       12       4       2        0             0 syz-executor568
[ 2051]     0  2051     4380       12       4       2        0             0 syz-executor568
[ 2052]     0  2052     4380       12       4       2        0             0 syz-executor568
[ 2063]     0  2063     2666       34      10       3        0             0 init
[ 2064]     0  2064     2666       34      10       3        0             0 init
[ 2065]     0  2065     2666       34      10       3        0             0 init
[ 2066]     0  2066     2666       34      10       3        0             0 init
[ 2067]     0  2067     2666       34      10       3        0             0 init
[ 2068]     0  2068     2666       34      10       3        0             0 init
[ 2069]     0  2069     4380        0       5       2        0          1000 syz-executor568
[ 2071]     0  2071     4380        0       5       2        0          1000 syz-executor568
[ 2072]     0  2072     4380       12       5       2        0          1000 syz-executor568
[ 2073]     0  2073     4380       12       5       2        0          1000 syz-executor568
[ 2074]     0  2074     4380       12       5       2        0          1000 syz-executor568
[ 2075]     0  2075     4380       12       5       2        0          1000 syz-executor568
Out of memory: Kill process 2072 (syz-executor568) score 999 or sacrifice child
Killed process 2072 (syz-executor568) total-vm:17520kB, anon-rss:48kB, file-rss:0kB, shmem-rss:0kB
oom_reaper: reaped process 2072 (syz-executor568), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
syz-executor568 invoked oom-killer: gfp_mask=0x24082c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), nodemask=0, order=0, oom_score_adj=1000
CPU: 0 PID: 2076 Comm: syz-executor568 Not tainted 4.9.189+ #3
 ffff88011e237610 ffffffff81b65c01 ffff88011e237968 ffffffff833f14f0
 00000000000003e8 ffff88011e237980 0000000000000000 ffff88011e237690
 ffffffff81506abb 0000000000000000 00000000000003e8 ffffffff828289d5
Call Trace:
 [<0000000034afe4f0>] __dump_stack lib/dump_stack.c:15 [inline]
 [<0000000034afe4f0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<000000005126ee7d>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417
 [<00000000cbdb0df1>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852
 [<0000000054eb966d>] out_of_memory mm/oom_kill.c:1069 [inline]
 [<0000000054eb966d>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009
 [<0000000033ac0015>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline]
 [<0000000033ac0015>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline]
 [<0000000033ac0015>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861
 [<000000006d059ead>] __alloc_pages include/linux/gfp.h:433 [inline]
 [<000000006d059ead>] __alloc_pages_node include/linux/gfp.h:446 [inline]
 [<000000006d059ead>] alloc_pages_node include/linux/gfp.h:460 [inline]
 [<000000006d059ead>] __vmalloc_area_node mm/vmalloc.c:1648 [inline]
 [<000000006d059ead>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706
 [<00000000982945d5>] __vmalloc_node mm/vmalloc.c:1749 [inline]
 [<00000000982945d5>] __vmalloc_area_node mm/vmalloc.c:1630 [inline]
 [<00000000982945d5>] __vmalloc_node_range+0x4aa/0x610 mm/vmalloc.c:1706
 [<0000000006c80ec1>] __vmalloc_node mm/vmalloc.c:1749 [inline]
 [<0000000006c80ec1>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline]
 [<0000000006c80ec1>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778
 [<00000000100c62f5>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997
 [<00000000d8fdc954>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979
 [<000000009c1c728c>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469
 [<00000000cb0d94aa>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
 [<00000000cb0d94aa>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114
 [<00000000807c7037>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline]
 [<00000000807c7037>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232
 [<00000000b16e859a>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline]
 [<00000000b16e859a>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753
 [<00000000b8864641>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710
 [<00000000d2ff5252>] SYSC_setsockopt net/socket.c:1786 [inline]
 [<00000000d2ff5252>] SyS_setsockopt+0x159/0x240 net/socket.c:1765