lowmemorykiller: Killing 'syz-executor066' (2057) (tgid 2057), adj 1000,
   to free 48kB on behalf of 'syz-executor066' (2066) because
   cache 34260kB is below limit 65536kB for oom_score_adj 12
   Free memory is -13348kB above reserved
=================================
[ INFO: inconsistent lock state ]
4.9.191+ #0 Not tainted
---------------------------------
inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage.
syz-executor066/2066 [HC0[0]:SC0[0]:HE1:SE1] takes:
 (&mm->mmap_sem){+++++?}, at: [<0000000060aa9fef>] 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: 299977
hardirqs last  enabled at (299977): [<00000000601f70ba>] restore_regs_and_iret+0x0/0x1d
hardirqs last disabled at (299976): [<000000002c9b0541>] call_function_single_interrupt+0xa0/0xb0 arch/x86/entry/entry_64.S:674
softirqs last  enabled at (299286): [<00000000dd76c04e>] spin_unlock_bh include/linux/spinlock.h:352 [inline]
softirqs last  enabled at (299286): [<00000000dd76c04e>] wb_queue_work+0x1ed/0x450 fs/fs-writeback.c:203
softirqs last disabled at (299282): [<000000008890fd29>] spin_lock_bh include/linux/spinlock.h:307 [inline]
softirqs last disabled at (299282): [<000000008890fd29>] wb_queue_work+0x90/0x450 fs/fs-writeback.c:195

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-executor066/2066:
 #0:  (shrinker_rwsem){++++..}, at: [<00000000e1b3c743>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472

stack backtrace:
CPU: 1 PID: 2066 Comm: syz-executor066 Not tainted 4.9.191+ #0
 ffff8801cc52eeb0 ffffffff81b67171 00000000000000f0 ffff8801cc5e17c0
 ffffffff83cb0630 ffff8801cc5e20b8 ffffffff84252000 ffff8801cc52ef28
 ffffffff814088a0 0000000000000000 ffffffff00000001 0000000000000001
Call Trace:
 [<00000000dd82ac8d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<00000000dd82ac8d>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<000000004ccc53a4>] print_usage_bug kernel/locking/lockdep.c:2387 [inline]
 [<000000004ccc53a4>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354
 [<00000000facbad62>] valid_state kernel/locking/lockdep.c:2400 [inline]
 [<00000000facbad62>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline]
 [<00000000facbad62>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065
 [<0000000077220b47>] mark_irqflags kernel/locking/lockdep.c:2958 [inline]
 [<0000000077220b47>] __lock_acquire+0x5be/0x4390 kernel/locking/lockdep.c:3302
 [<000000006539a78d>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756
 [<00000000bb93e24e>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22
 [<0000000060aa9fef>] get_cmdline+0xa3/0x2d0 mm/util.c:641
 [<00000000add3af13>] handle_lmk_event+0x169/0x920 drivers/staging/android/lowmemorykiller.c:116
 [<000000000ac30485>] lowmem_scan+0x6f3/0xb70 drivers/staging/android/lowmemorykiller.c:354
 [<00000000fdd2ac26>] do_shrink_slab mm/vmscan.c:399 [inline]
 [<00000000fdd2ac26>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502
 [<00000000b4b2699c>] shrink_slab mm/vmscan.c:466 [inline]
 [<00000000b4b2699c>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604
 [<000000000af3c7ca>] shrink_zones mm/vmscan.c:2751 [inline]
 [<000000000af3c7ca>] do_try_to_free_pages mm/vmscan.c:2793 [inline]
 [<000000000af3c7ca>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004
 [<000000002cb92d23>] __perform_reclaim mm/page_alloc.c:3332 [inline]
 [<000000002cb92d23>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline]
 [<000000002cb92d23>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline]
 [<000000002cb92d23>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861
 [<00000000a1caf7a3>] __alloc_pages include/linux/gfp.h:433 [inline]
 [<00000000a1caf7a3>] __alloc_pages_node include/linux/gfp.h:446 [inline]
 [<00000000a1caf7a3>] alloc_pages_node include/linux/gfp.h:460 [inline]
 [<00000000a1caf7a3>] __vmalloc_area_node mm/vmalloc.c:1648 [inline]
 [<00000000a1caf7a3>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706
 [<000000008e0c06b3>] __vmalloc_node mm/vmalloc.c:1755 [inline]
 [<000000008e0c06b3>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline]
 [<000000008e0c06b3>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784
 [<0000000080e5c137>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758
 [<0000000021219b0e>] translate_table+0x215/0x1650 net/ipv4/netfilter/ip_tables.c:705
 [<000000004bf01050>] do_replace net/ipv4/netfilter/ip_tables.c:1157 [inline]
 [<000000004bf01050>] do_ipt_set_ctl+0x2d4/0x470 net/ipv4/netfilter/ip_tables.c:1693
 [<00000000601881b5>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
 [<00000000601881b5>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114
 [<000000001ae6b587>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline]
 [<000000001ae6b587>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232
 [<00000000f2a3c500>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114
 [<000000001c26be63>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912
 [<00000000c8fb463b>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline]
 [<00000000c8fb463b>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753
 [<000000008b97090e>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710
 [<000000000e9b457e>] SYSC_setsockopt net/socket.c:1786 [inline]
 [<000000000e9b457e>] SyS_setsockopt+0x159/0x240 net/socket.c:1765
 [<000000009f5bc2c0>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<00000000681f9e7d>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
oom_reaper: reaped process 2057 (syz-executor066), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
syz-executor066 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000
CPU: 0 PID: 2064 Comm: syz-executor066 Not tainted 4.9.191+ #0
 ffff8801ce407580 ffffffff81b67171 ffff8801ce4078d8 ffffffff833f1c30
 00000000000003e8 ffff8801ce4078f0 0000000000000000 ffff8801ce407600
 ffffffff81506fd4 0000000000000000 00000000000003e8 ffffffff8282a8c5
Call Trace:
 [<00000000dd82ac8d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<00000000dd82ac8d>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<0000000032fbfbd8>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417
 [<00000000ee950c11>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852
 [<00000000a0ca6c41>] out_of_memory mm/oom_kill.c:1069 [inline]
 [<00000000a0ca6c41>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009
 [<00000000326cb323>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline]
 [<00000000326cb323>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline]
 [<00000000326cb323>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861
 [<00000000a1caf7a3>] __alloc_pages include/linux/gfp.h:433 [inline]
 [<00000000a1caf7a3>] __alloc_pages_node include/linux/gfp.h:446 [inline]
 [<00000000a1caf7a3>] alloc_pages_node include/linux/gfp.h:460 [inline]
 [<00000000a1caf7a3>] __vmalloc_area_node mm/vmalloc.c:1648 [inline]
 [<00000000a1caf7a3>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706
 [<000000008e0c06b3>] __vmalloc_node mm/vmalloc.c:1755 [inline]
 [<000000008e0c06b3>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline]
 [<000000008e0c06b3>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784
 [<0000000080e5c137>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758
 [<0000000021219b0e>] translate_table+0x215/0x1650 net/ipv4/netfilter/ip_tables.c:705
 [<000000004bf01050>] do_replace net/ipv4/netfilter/ip_tables.c:1157 [inline]
 [<000000004bf01050>] do_ipt_set_ctl+0x2d4/0x470 net/ipv4/netfilter/ip_tables.c:1693
 [<00000000601881b5>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
 [<00000000601881b5>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114
 [<000000001ae6b587>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline]
 [<000000001ae6b587>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232
 [<00000000f2a3c500>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114
 [<000000001c26be63>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912
 [<00000000c8fb463b>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline]
 [<00000000c8fb463b>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753
 [<000000008b97090e>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710
 [<000000000e9b457e>] SYSC_setsockopt net/socket.c:1786 [inline]
 [<000000000e9b457e>] SyS_setsockopt+0x159/0x240 net/socket.c:1765
 [<000000009f5bc2c0>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<00000000681f9e7d>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Mem-Info:
active_anon:3239 inactive_anon:40 isolated_anon:0
 active_file:3 inactive_file:18 isolated_file:0
 unevictable:0 dirty:24 writeback:0 unstable:0
 slab_reclaimable:4256 slab_unreclaimable:56731
 mapped:23 shmem:48 pagetables:358 bounce:0
 free:2562 free_pcp:11 free_cma:0
Node 0 active_anon:12956kB inactive_anon:160kB active_file:12kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:96kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no
DMA32 free:10024kB 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:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:108kB local_pcp:0kB free_cma:0kB
Normal free:100kB min:5580kB low:9168kB high:12756kB active_anon:12956kB inactive_anon:160kB active_file:12kB inactive_file:72kB unevictable:0kB writepending:16kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17024kB slab_unreclaimable:226924kB kernel_stack:3424kB pagetables:1432kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
DMA32: 4*4kB (M) 2*8kB (UM) 2*16kB (M) 2*32kB (UM) 1*64kB (M) 4*128kB (UM) 4*256kB (UM) 2*512kB (UM) 3*1024kB (UM) 2*2048kB (UM) 0*4096kB = 9920kB
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
313627 pages reserved
[ pid ]   uid  tgid total_vm      rss nr_ptes nr_pmds swapents oom_score_adj name
[  470]     0   470     5384      182      16       3        0         -1000 udevd
[  584]     0   584     5383      182      15       3        0         -1000 udevd
[  585]     0   585     5383      182      15       3        0         -1000 udevd
[ 1751]     0  1751     2492      572       9       3        0             0 dhclient
[ 1890]     0  1890    14264      108      23       3        0             0 rsyslogd
[ 1945]     0  1945     3734       44      11       3        0             0 mcstransd
[ 1947]     0  1947     4724       50      15       3        0             0 cron
[ 1965]     0  1965    12926     1227      28       3        0             0 restorecond
[ 1991]     0  1991    12489      152      28       3        0         -1000 sshd
[ 2021]     0  2021     3648       39      13       3        0             0 getty
[ 2046]     0  2046     3648       42      12       3        0             0 getty
[ 2047]     0  2047     3648       44      13       3        0             0 getty
[ 2048]     0  2048     3648       41      13       3        0             0 getty
[ 2049]     0  2049     3648       43      13       3        0             0 getty
[ 2050]     0  2050     3648       44      13       3        0             0 getty
[ 2051]     0  2051     3648       43      13       3        0             0 getty
[ 2052]     0  2052    17820      198      39       3        0             0 sshd
[ 2054]     0  2054     4380        1       4       2        0             0 syz-executor066
[ 2055]     0  2055     4380       12       4       2        0             0 syz-executor066
[ 2056]     0  2056     4380       12       4       2        0             0 syz-executor066
[ 2057]     0  2057     4380        0       5       2        0          1000 syz-executor066
[ 2058]     0  2058     4380       12       4       2        0             0 syz-executor066
[ 2059]     0  2059     4380       12       4       2        0             0 syz-executor066
[ 2060]     0  2060     4380       12       4       2        0             0 syz-executor066
[ 2061]     0  2061     4380       12       4       2        0             0 syz-executor066
[ 2062]     0  2062     4380       12       5       2        0          1000 syz-executor066
[ 2063]     0  2063     4380       12       5       2        0          1000 syz-executor066
[ 2064]     0  2064     4380       12       5       2        0          1000 syz-executor066
[ 2065]     0  2065     4380       12       5       2        0          1000 syz-executor066
[ 2066]     0  2066     4380       12       5       2        0          1000 syz-executor066
Out of memory: Kill process 2062 (syz-executor066) score 999 or sacrifice child
Killed process 2062 (syz-executor066) total-vm:17520kB, anon-rss:48kB, file-rss:0kB, shmem-rss:0kB
syz-executor066: vmalloc: allocation failure, allocated 1312251904 of 4258459648 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM)
CPU: 1 PID: 2057 Comm: syz-executor066 Not tainted 4.9.191+ #0
 ffff8801ce56f858 ffffffff81b67171 1ffff10039cadf0d dffffc0000000000
 ffffffff82aab400 0000000000000000 0000000000400000 ffff8801ce56f980
 ffffffff8150828c 0000000041b58ab3 ffffffff82e3bbf0 ffffffff81431e90
Call Trace:
 [<00000000dd82ac8d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<00000000dd82ac8d>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<00000000f782775e>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069
 [<000000008b0b29e4>] __vmalloc_area_node mm/vmalloc.c:1665 [inline]
 [<000000008b0b29e4>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706
 [<000000008e0c06b3>] __vmalloc_node mm/vmalloc.c:1755 [inline]
 [<000000008e0c06b3>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline]
 [<000000008e0c06b3>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784
 [<0000000080e5c137>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758
 [<0000000021219b0e>] translate_table+0x215/0x1650 net/ipv4/netfilter/ip_tables.c:705
 [<000000004bf01050>] do_replace net/ipv4/netfilter/ip_tables.c:1157 [inline]
 [<000000004bf01050>] do_ipt_set_ctl+0x2d4/0x470 net/ipv4/netfilter/ip_tables.c:1693
 [<00000000601881b5>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
 [<00000000601881b5>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114
 [<000000001ae6b587>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline]
 [<000000001ae6b587>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232
 [<00000000f2a3c500>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114
 [<000000001c26be63>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912
 [<00000000c8fb463b>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline]
 [<00000000c8fb463b>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753
 [<000000008b97090e>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710
 [<000000000e9b457e>] SYSC_setsockopt net/socket.c:1786 [inline]
 [<000000000e9b457e>] SyS_setsockopt+0x159/0x240 net/socket.c:1765
 [<000000009f5bc2c0>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<00000000681f9e7d>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Mem-Info:
active_anon:3239 inactive_anon:40 isolated_anon:0
 active_file:3 inactive_file:18 isolated_file:0
 unevictable:0 dirty:24 writeback:0 unstable:0
 slab_reclaimable:4256 slab_unreclaimable:56731
 mapped:23 shmem:48 pagetables:358 bounce:0
 free:21 free_pcp:0 free_cma:0
Node 0 active_anon:12956kB inactive_anon:160kB active_file:12kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:96kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 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:3020092kB 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:100kB min:5580kB low:9168kB high:12756kB active_anon:12956kB inactive_anon:160kB active_file:12kB inactive_file:72kB unevictable:0kB writepending:16kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17024kB slab_unreclaimable:226924kB kernel_stack:3424kB pagetables:1432kB 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
313627 pages reserved
syz-executor066: vmalloc: allocation failure, allocated 1307303936 of 4258459648 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM)
CPU: 0 PID: 2062 Comm: syz-executor066 Not tainted 4.9.191+ #0
 ffff8801ce527858 ffffffff81b67171 1ffff10039ca4f0d dffffc0000000000
 ffffffff82aab400 0000000000000000 0000000000400000 ffff8801ce527980
 ffffffff8150828c 0000000041b58ab3 ffffffff82e3bbf0 ffffffff81431e90
Call Trace:
 [<00000000dd82ac8d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<00000000dd82ac8d>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<00000000f782775e>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069
 [<000000008b0b29e4>] __vmalloc_area_node mm/vmalloc.c:1665 [inline]
 [<000000008b0b29e4>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706
 [<000000008e0c06b3>] __vmalloc_node mm/vmalloc.c:1755 [inline]
 [<000000008e0c06b3>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline]
 [<000000008e0c06b3>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784
 [<0000000080e5c137>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758
 [<0000000021219b0e>] translate_table+0x215/0x1650 net/ipv4/netfilter/ip_tables.c:705
 [<000000004bf01050>] do_replace net/ipv4/netfilter/ip_tables.c:1157 [inline]
 [<000000004bf01050>] do_ipt_set_ctl+0x2d4/0x470 net/ipv4/netfilter/ip_tables.c:1693
 [<00000000601881b5>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
 [<00000000601881b5>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114
 [<000000001ae6b587>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline]
 [<000000001ae6b587>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232
 [<00000000f2a3c500>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114
 [<000000001c26be63>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912
 [<00000000c8fb463b>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline]
 [<00000000c8fb463b>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753
 [<000000008b97090e>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710
 [<000000000e9b457e>] SYSC_setsockopt net/socket.c:1786 [inline]
 [<000000000e9b457e>] SyS_setsockopt+0x159/0x240 net/socket.c:1765
 [<000000009f5bc2c0>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<00000000681f9e7d>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Mem-Info:
active_anon:3239 inactive_anon:40 isolated_anon:0
 active_file:3 inactive_file:18 isolated_file:0
 unevictable:0 dirty:24 writeback:0 unstable:0
 slab_reclaimable:4256 slab_unreclaimable:56731
 mapped:23 shmem:48 pagetables:358 bounce:0
 free:21 free_pcp:0 free_cma:0
Node 0 active_anon:12956kB inactive_anon:160kB active_file:12kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:92kB dirty:96kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 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:3020092kB 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:100kB min:5580kB low:9168kB high:12756kB active_anon:12956kB inactive_anon:160kB active_file:12kB inactive_file:72kB unevictable:0kB writepending:16kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17024kB slab_unreclaimable:226924kB kernel_stack:3424kB pagetables:1432kB 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
313627 pages reserved
oom_reaper: reaped process 2062 (syz-executor066), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
syz-executor066 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000
CPU: 0 PID: 2065 Comm: syz-executor066 Not tainted 4.9.191+ #0
 ffff8801cc5ef580 ffffffff81b67171 ffff8801cc5ef8d8 ffffffff833f1c30
 00000000000003e8 ffff8801cc5ef8f0 0000000000000000 ffff8801cc5ef600
 ffffffff81506fd4 0000000000000000 00000000000003e8 ffffffff8282a8c5
Call Trace:
 [<00000000dd82ac8d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<00000000dd82ac8d>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<0000000032fbfbd8>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417
 [<00000000ee950c11>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852
 [<00000000a0ca6c41>] out_of_memory mm/oom_kill.c:1069 [inline]
 [<00000000a0ca6c41>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009
 [<00000000326cb323>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline]
 [<00000000326cb323>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline]
 [<00000000326cb323>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861
 [<00000000a1caf7a3>] __alloc_pages include/linux/gfp.h:433 [inline]
 [<00000000a1caf7a3>] __alloc_pages_node include/linux/gfp.h:446 [inline]
 [<00000000a1caf7a3>] alloc_pages_node include/linux/gfp.h:460 [inline]
 [<00000000a1caf7a3>] __vmalloc_area_node mm/vmalloc.c:1648 [inline]
 [<00000000a1caf7a3>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706
[ 2058]     0  2058     4380       12       4       2        0             0 syz-executor066
 [<00000000326cb323>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline]
 [<00000000326cb323>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline]
 [<00000000326cb323>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861
Mem-Info:
active_anon:3239 inactive_anon:40 isolated_anon:0
 active_file:6 inactive_file:56 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:4265 slab_unreclaimable:56587
 mapped:37 shmem:48 pagetables:358 bounce:0
 free:6038 free_pcp:128 free_cma:0
Node 0 active_anon:12956kB inactive_anon:160kB active_file:24kB inactive_file:224kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:148kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no
DMA32 free:18600kB min:4696kB low:7712kB high:10728kB active_anon:28kB inactive_anon:0kB active_file:0kB inactive_file:120kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:48kB kernel_stack:32kB pagetables:20kB bounce:0kB free_pcp:244kB local_pcp:120kB free_cma:0kB
Normal free:5552kB min:5580kB low:9168kB high:12756kB active_anon:12928kB inactive_anon:160kB active_file:24kB inactive_file:104kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17044kB slab_unreclaimable:226300kB kernel_stack:3392kB pagetables:1412kB bounce:0kB free_pcp:268kB local_pcp:120kB free_cma:0kB
DMA32: 0*4kB 1*8kB (U) 0*16kB 1*32kB (U) 214*64kB (U) 38*128kB (U) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18600kB
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
313627 pages reserved
[ pid ]   uid  tgid total_vm      rss nr_ptes nr_pmds swapents oom_score_adj name
[  470]     0   470     5384      182      16       3        0         -1000 udevd
[  584]     0   584     5383      182      15       3        0         -1000 udevd
[  585]     0   585     5383      182      15       3        0         -1000 udevd
[ 1751]     0  1751     2492      572       9       3        0             0 dhclient
[ 1890]     0  1890    14264      108      23       3        0             0 rsyslogd
[ 1945]     0  1945     3734       44      11       3        0             0 mcstransd
[ 1947]     0  1947     4724       50      15       3        0             0 cron
[ 1965]     0  1965    12926     1227      28       3        0             0 restorecond
[ 1991]     0  1991    12489      152      28       3        0         -1000 sshd
[ 2021]     0  2021     3648       39      13       3        0             0 getty
[ 2046]     0  2046     3648       42      12       3        0             0 getty
[ 2047]     0  2047     3648       44      13       3        0             0 getty
[ 2048]     0  2048     3648       41      13       3        0             0 getty
[ 2049]     0  2049     3648       43      13       3        0             0 getty
[ 2050]     0  2050     3648       44      13       3        0             0 getty
[ 2051]     0  2051     3648       43      13       3        0             0 getty
[ 2052]     0  2052    17820      199      39       3        0             0 sshd
 [<00000000681f9e7d>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
 [<000000000e9b457e>] SYSC_setsockopt net/socket.c:1786 [inline]
 [<000000000e9b457e>] SyS_setsockopt+0x159/0x240 net/socket.c:1765
 [<000000009f5bc2c0>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<00000000681f9e7d>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Mem-Info:
active_anon:3225 inactive_anon:40 isolated_anon:0
 active_file:6 inactive_file:52 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:4265 slab_unreclaimable:56587
 mapped:33 shmem:48 pagetables:358 bounce:0
 free:4799 free_pcp:60 free_cma:0
 [<000000008e0c06b3>] __vmalloc_node mm/vmalloc.c:1755 [inline]
 [<000000008e0c06b3>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline]
 [<000000008e0c06b3>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784
 [<0000000080e5c137>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758
 [<0000000021219b0e>] translate_table+0x215/0x1650 net/ipv4/netfilter/ip_tables.c:705
0 pages HighMem/MovableOnly
313627 pages reserved
oom_reaper: reaped process 2070 (syz-executor066), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
syz-executor066 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000
CPU: 1 PID: 2074 Comm: syz-executor0