lowmemorykiller: Killing 'syz-executor594' (2069) (tgid 2069), adj 1000, to free 48kB on behalf of 'syz-executor594' (2077) because cache 33812kB is below limit 65536kB for oom_score_adj 12 Free memory is -13460kB above reserved ================================= [ INFO: inconsistent lock state ] 4.9.189+ #2 Not tainted --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. syz-executor594/2077 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<000000004098cf50>] 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: 483977 hardirqs last enabled at (483977): [<000000009650113e>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:162 [inline] hardirqs last enabled at (483977): [<000000009650113e>] _raw_spin_unlock_irqrestore+0x5a/0x70 kernel/locking/spinlock.c:191 hardirqs last disabled at (483976): [<00000000e4e82e53>] rcu_read_unlock_special+0x3a/0xb30 kernel/rcu/tree_plugin.h:393 softirqs last enabled at (483658): [<00000000a6d523d5>] __do_softirq+0x474/0x964 kernel/softirq.c:314 softirqs last disabled at (483641): [<00000000a6a2c035>] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (483641): [<00000000a6a2c035>] 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); lock(&mm->mmap_sem); *** DEADLOCK *** 1 lock held by syz-executor594/2077: #0: (shrinker_rwsem){++++..}, at: [<0000000062989abd>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 stack backtrace: CPU: 1 PID: 2077 Comm: syz-executor594 Not tainted 4.9.189+ #2 ffff8801c5126f20 ffffffff81b65c01 00000000000000f0 ffff8801d16697c0 ffffffff83caf950 ffff8801d166a0b8 ffffffff84250fc0 ffff8801c5126f98 ffffffff81408330 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<00000000ca5ed811>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000ca5ed811>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000005d7167ae>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<000000005d7167ae>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<00000000d65f76b4>] valid_state kernel/locking/lockdep.c:2400 [inline] [<00000000d65f76b4>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<00000000d65f76b4>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<000000002c64459b>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<000000002c64459b>] __lock_acquire+0x5be/0x4390 kernel/locking/lockdep.c:3302 [<00000000a4a91845>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<000000009cda98fe>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<000000004098cf50>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<00000000a2352b19>] handle_lmk_event+0x169/0x920 drivers/staging/android/lowmemorykiller.c:115 [<000000003befc2a5>] lowmem_scan+0x6f3/0xb70 drivers/staging/android/lowmemorykiller.c:353 [<000000005d98afbf>] do_shrink_slab mm/vmscan.c:399 [inline] [<000000005d98afbf>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000a6f1bc0e>] shrink_slab mm/vmscan.c:466 [inline] [<00000000a6f1bc0e>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<000000003d20561e>] shrink_zones mm/vmscan.c:2751 [inline] [<000000003d20561e>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<000000003d20561e>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<000000008a0013d3>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<000000008a0013d3>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<000000008a0013d3>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<000000008a0013d3>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<000000009d48102f>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000009d48102f>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000009d48102f>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000009d48102f>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<000000009d48102f>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000002363bce>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000002363bce>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000002363bce>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<0000000015f6080a>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758 [<000000005ef36fa6>] translate_table+0x215/0x16c0 net/ipv6/netfilter/ip6_tables.c:733 [<000000008aba3a9f>] do_replace net/ipv6/netfilter/ip6_tables.c:1186 [inline] [<000000008aba3a9f>] do_ip6t_set_ctl+0x2d4/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000c9895ab8>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000c9895ab8>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000e1619653>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<00000000e1619653>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<000000002929940c>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<000000002929940c>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<0000000093511008>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000f714b864>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000f714b864>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000042e91b4e>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c709da1d>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb oom_reaper: reaped process 2069 (syz-executor594), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor594 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2078 Comm: syz-executor594 Not tainted 4.9.189+ #2 ffff8801c53475f0 ffffffff81b65c01 ffff8801c5347948 ffffffff833f14f0 00000000000003e8 ffff8801c5347960 0000000000000000 ffff8801c5347670 ffffffff81506abb 0000000000000000 00000000000003e8 ffffffff828289d5 Call Trace: [<00000000ca5ed811>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000ca5ed811>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000aeeea1c6>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000d91020f8>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<000000000194c5e6>] out_of_memory mm/oom_kill.c:1069 [inline] [<000000000194c5e6>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<000000000ac0ac73>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<000000000ac0ac73>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<000000000ac0ac73>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<000000009d48102f>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000009d48102f>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000009d48102f>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000009d48102f>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<000000009d48102f>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000002363bce>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000002363bce>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000002363bce>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<0000000015f6080a>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758 [<000000005ef36fa6>] translate_table+0x215/0x16c0 net/ipv6/netfilter/ip6_tables.c:733 [<000000008aba3a9f>] do_replace net/ipv6/netfilter/ip6_tables.c:1186 [inline] [<000000008aba3a9f>] do_ip6t_set_ctl+0x2d4/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000c9895ab8>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000c9895ab8>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000e1619653>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<00000000e1619653>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<000000002929940c>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<000000002929940c>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<0000000093511008>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000f714b864>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000f714b864>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000042e91b4e>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c709da1d>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3240 inactive_anon:40 isolated_anon:0 active_file:19 inactive_file:20 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4252 slab_unreclaimable:56860 mapped:14 shmem:48 pagetables:355 bounce:0 free:6018 free_pcp:67 free_cma:0 Node 0 active_anon:12960kB inactive_anon:160kB active_file:76kB inactive_file:80kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18612kB 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:5460kB min:5580kB low:9168kB high:12756kB active_anon:12960kB inactive_anon:160kB active_file:76kB inactive_file:80kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17008kB slab_unreclaimable:227440kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:148kB local_pcp:148kB free_cma:0kB DMA32: 3*4kB (UM) 3*8kB (M) 3*16kB (UM) 1*32kB (M) 1*64kB (M) 4*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18612kB 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 5384 182 15 3 0 -1000 udevd [ 585] 0 585 5383 182 14 3 0 -1000 udevd [ 586] 0 586 5383 182 14 3 0 -1000 udevd [ 1767] 0 1767 2492 572 8 3 0 0 dhclient [ 1908] 0 1908 30615 110 24 3 0 0 rsyslogd [ 1963] 0 1963 4724 51 15 3 0 0 cron [ 1981] 0 1981 3735 45 11 3 0 0 mcstransd [ 1983] 0 1983 12926 1228 27 4 0 0 restorecond [ 2009] 0 2009 12489 152 28 3 0 -1000 sshd [ 2039] 0 2039 3648 40 13 3 0 0 getty [ 2058] 0 2058 3648 42 13 3 0 0 getty [ 2059] 0 2059 3648 43 13 3 0 0 getty [ 2060] 0 2060 3648 44 13 3 0 0 getty [ 2061] 0 2061 3648 43 12 3 0 0 getty [ 2062] 0 2062 3648 42 13 3 0 0 getty [ 2063] 0 2063 3648 43 13 3 0 0 getty [ 2064] 0 2064 17820 196 40 3 0 0 sshd [ 2066] 0 2066 4380 1 4 2 0 0 syz-executor594 [ 2067] 0 2067 4380 12 4 2 0 0 syz-executor594 [ 2068] 0 2068 4380 12 4 2 0 0 syz-executor594 [ 2069] 0 2069 4380 0 5 2 0 1000 syz-executor594 [ 2070] 0 2070 4380 12 4 2 0 0 syz-executor594 [ 2071] 0 2071 4380 12 4 2 0 0 syz-executor594 [ 2072] 0 2072 4380 12 4 2 0 0 syz-executor594 [ 2073] 0 2073 4380 12 4 2 0 0 syz-executor594 [ 2074] 0 2074 4380 12 5 2 0 1000 syz-executor594 [ 2075] 0 2075 4380 12 5 2 0 1000 syz-executor594 [ 2076] 0 2076 4380 12 5 2 0 1000 syz-executor594 [ 2077] 0 2077 4380 12 5 2 0 1000 syz-executor594 [ 2078] 0 2078 4380 12 5 2 0 1000 syz-executor594 Out of memory: Kill process 2074 (syz-executor594) score 999 or sacrifice child Killed process 2074 (syz-executor594) total-vm:17520kB, anon-rss:48kB, file-rss:0kB, shmem-rss:0kB syz-executor594: vmalloc: allocation failure, allocated 1157779456 of 3758100480 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2069 Comm: syz-executor594 Not tainted 4.9.189+ #2 ffff8801ce6378c8 ffffffff81b65c01 1ffff10039cc6f1b dffffc0000000000 ffffffff82aab240 0000000000000000 0000000000400000 ffff8801ce6379f0 ffffffff81507d73 0000000041b58ab3 ffffffff82e3b338 ffffffff81431920 Call Trace: [<00000000ca5ed811>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000ca5ed811>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000075a7651>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<000000005df81305>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<000000005df81305>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<0000000002363bce>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000002363bce>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000002363bce>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<0000000015f6080a>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758 [<000000005ef36fa6>] translate_table+0x215/0x16c0 net/ipv6/netfilter/ip6_tables.c:733 [<000000008aba3a9f>] do_replace net/ipv6/netfilter/ip6_tables.c:1186 [inline] [<000000008aba3a9f>] do_ip6t_set_ctl+0x2d4/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000c9895ab8>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000c9895ab8>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000e1619653>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<00000000e1619653>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<000000002929940c>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<000000002929940c>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<0000000093511008>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000f714b864>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000f714b864>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000042e91b4e>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c709da1d>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3233 inactive_anon:40 isolated_anon:0 active_file:19 inactive_file:20 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4252 slab_unreclaimable:56860 mapped:14 shmem:48 pagetables:355 bounce:0 free:0 free_pcp:0 free_cma:0 Node 0 active_anon:12932kB inactive_anon:160kB active_file:76kB inactive_file:80kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:20kB 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:12932kB inactive_anon:160kB active_file:76kB inactive_file:80kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17008kB slab_unreclaimable:227440kB kernel_stack:3456kB pagetables:1420kB 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 2074 (syz-executor594), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor594 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-executor594 Not tainted 4.9.189+ #2 ffff8801ce5a75f0 ffffffff81b65c01 ffff8801ce5a7948 ffffffff833f14f0 00000000000003e8 ffff8801ce5a7960 0000000000000000 ffff8801ce5a7670 ffffffff81506abb 0000000000000000 00000000000003e8 ffffffff828289d5 Call Trace: [<00000000ca5ed811>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000ca5ed811>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000aeeea1c6>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000d91020f8>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<000000000194c5e6>] out_of_memory mm/oom_kill.c:1069 [inline] [<000000000194c5e6>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<000000000ac0ac73>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<000000000ac0ac73>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<000000000ac0ac73>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<000000009d48102f>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000009d48102f>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000009d48102f>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000009d48102f>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<000000009d48102f>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000002363bce>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000002363bce>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000002363bce>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<0000000015f6080a>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758 [<000000005ef36fa6>] translate_table+0x215/0x16c0 net/ipv6/netfilter/ip6_tables.c:733 [<000000008aba3a9f>] do_replace net/ipv6/netfilter/ip6_tables.c:1186 [inline] [<000000008aba3a9f>] do_ip6t_set_ctl+0x2d4/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000c9895ab8>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000c9895ab8>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000e1619653>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<00000000e1619653>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<000000002929940c>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<000000002929940c>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<0000000093511008>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000f714b864>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000f714b864>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000042e91b4e>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c709da1d>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3233 inactive_anon:40 isolated_anon:0 active_file:19 inactive_file:20 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4252 slab_unreclaimable:56860 mapped:14 shmem:48 pagetables:355 bounce:0 free:0 free_pcp:0 free_cma:0 Node 0 active_anon:12932kB inactive_anon:160kB active_file:76kB inactive_file:80kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:56kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:20kB 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:12932kB inactive_anon:160kB active_file:76kB inactive_file:80kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17008kB slab_unreclaimable:227440kB kernel_stack:3456kB pagetables:1420kB 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 [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5384 182 15 3 0 -1000 udevd [ 585] 0 585 5383 182 14 3 0 -1000 udevd [ 586] 0 586 5383 182 14 3 0 -1000 udevd [ 1767] 0 1767 2492 572 8 3 0 0 dhclient [ 1908] 0 1908 30615 110 24 3 0 0 rsyslogd [ 1963] 0 1963 4724 51 15 3 0 0 cron [ 1981] 0 1981 3735 45 11 3 0 0 mcstransd [ 1983] 0 1983 12926 1228 27 4 0 0 restorecond [ 2009] 0 2009 12489 152 28 3 0 -1000 sshd [ 2039] 0 2039 3648 40 13 3 0 0 getty [ 2058] 0 2058 3648 42 13 3 0 0 getty [ 2059] 0 2059 3648 43 13 3 0 0 getty [ 2060] 0 2060 3648 44 13 3 0 0 getty [ 2061] 0 2061 3648 43 12 3 0 0 getty [ 2062] 0 2062 3648 42 13 3 0 0 getty [ 2063] 0 2063 3648 43 13 3 0 0 getty [ 2064] 0 2064 17820 196 40 3 0 0 sshd [ 2066] 0 2066 4380 1 4 2 0 0 syz-executor594 [ 2067] 0 2067 4380 12 4 2 0 0 syz-executor594 [ 2068] 0 2068 4380 12 4 2 0 0 syz-executor594 [ 2069] 0 2069 4380 0 5 2 0 1000 syz-executor594 [ 2070] 0 2070 4380 12 4 2 0 0 syz-executor594 [ 2071] 0 2071 4380 12 4 2 0 0 syz-executor594 [ 2072] 0 2072 4380 12 4 2 0 0 syz-executor594 [ 2073] 0 2073 4380 12 4 2 0 0 syz-executor594 [ 2074] 0 2074 4380 0 5 2 0 1000 syz-executor594 [ 2075] 0 2075 4380 12 5 2 0 1000 syz-executor594 [ 2076] 0 2076 4380 12 5 2 0 1000 syz-executor594 [ 2077] 0 2077 4380 12 5 2 0 1000 syz-executor594 [ 2078] 0 2078 4380 12 5 2 0 1000 syz-executor594 Out of memory: Kill process 2075 (syz-executor594) score 999 or sacrifice child Killed process 2075 (syz-executor594) total-vm:17520kB, anon-rss:48kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 2075 (syz-executor594), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor594: vmalloc: allocation failure, allocated 1155166208 of 3758100480 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 2074 Comm: syz-executor594 Not tainted 4.9.189+ #2 ffff8801ce5a78c8 ffffffff81b65c01 1ffff10039cb4f1b dffffc0000000000 ffffffff82aab240 0000000000000000 0000000000400000 ffff8801ce5a79f0 ffffffff81507d73 0000000041b58ab3 ffffffff82e3b338 ffffffff81431920 Call Trace: [<00000000ca5ed811>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000ca5ed811>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000075a7651>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<000000005df81305>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<000000005df81305>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<0000000002363bce>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000002363bce>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000002363bce>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<0000000015f6080a>] xt_alloc_entry_offsets+0x44/0x50 net/netfilter/x_tables.c:758 [<000000005ef36fa6>] translate_table+0x215/0x16c0 net/ipv6/netfilter/ip6_tables.c:733 [<000000008aba3a9f>] do_replace net/ipv6/netfilter/ip6_tables.c:1186 [inline] [<000000008aba3a9f>] do_ip6t_set_ctl+0x2d4/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000c9895ab8>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000c9895ab8>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [ 2060] 0 2060 3648 44 13 3 0 0 getty [ 2061] 0 2061 3648 43 12 3 0 0 getty [ 2062] 0 2062 3648 42 13 3 0 0 getty [ 2063] 0 2063 3648 43 13 3 0 0 getty [ 2064] 0 2064 17820 196 40 3 0 0 sshd [ 2066] 0 2066 4380 1 4 2 0 0 syz-executor594 [ 2067] 0 2067 4380 12 4 2 0 0 syz-executor594 [ 2068] 0 2068 4380 12 4 2 0 0 syz-executor594 [ 2070] 0 2070 4380 12 4 2 0 0 syz-executor594 [ 2071] 0 2071 4380 12 4 2 0 0 syz-executor594 [ 2072] 0 2072 4380 12 4 2 0 0 syz-executor594 [ 2073] 0 2073 4380 12 4 2 0 0 syz-executor594 [ 2076] 0 2076 4380 0 5 2 0 1000 syz-executor594 [ 2077] 0 2077 4380 12 5 2 0 1000 syz-executor594 [ 2078] 0 2078 4380 12 5 2 0 1000 syz-executor594 [ 2080] 0 2080 4380 12 5 2 0 1000 syz-executor594 [ 2081] 0 2081 4380 12 5 2 0 1000 syz-executor594 [ 2082] 0 2082 4380 12 5 2 0 1000 syz-executor594 Out of memory: Kill process 2077 (syz-executor594) score 999 or sacrifice child Killed process 2077 (syz-executor594) total-vm:17520kB, anon-rss:48kB, file-rss:0kB, shmem-rss:0kB syz-executor594: vmalloc: allocation failure, allocated 1007820800 of 3758100480 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2077 Comm: syz-executor594 Not tainted 4.9.189+ #2 ffff8801c51278c8 ffffffff81b65c01 1ffff10038a24f1b dffffc0000000000 ffffffff82aab240 0000000000000000 0000000000400000 ffff8801c51279f0 [<000000008aba3a9f>] do_replace net/ipv6/netfilter/ip6_tables.c:1186 [inline] [<000000008aba3a9f>] do_ip6t_set_ctl+0x2d4/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [ 585] 0 585 5383 182 14 3 0 -1000 udevd [ 586] 0 586 5383 182 14 3 0 -1000 udevd [ 1767] 0 1767 2492 572 8 3 0 0 dhclient [ 1908] 0 1908 30615 110 24 3 0 0 rsyslogd [ 1963] 0 1963 4724 51 15 3 0 0 cron [ 1981] 0 1981 3735 45 11 3 0 0 mcstransd [ 1983] 0 1983 12926 1228 27 4 0 0 restorecond [ 2009] 0 2009 12489 152 28 3 0 -1000 sshd [ 2039] 0 2039 3648 40 13 3 0 0 getty [ 2058] 0 2058 3648 42 13 3 0 0 getty [ 2059] 0 2059 3648 43 13 3 0 0 getty [ 2060] 0 2060 3648 44 13 3 0 0 getty [ 2061] 0 2061 3648 43 12 3 0 0 getty [ 2062] 0 2062 3648 42 13 3 0 0 getty [ 2063] 0 2063 3648 43 13 3 0 0 getty [ 2064] 0 2064 17820 197 40 3 0 0 sshd [ 2066] 0 2066 4380 1 4 2 0 0 syz-executor594 [ 2067] 0 2067 4380 12 4 2 0 0 syz-executor594 [ 2068] 0 2068 4380 12 4 2 0 0 syz-executor594 [ 2070] 0 2070 4380 12 4 2 0 0 syz-executor594 [ 2071] 0 2071 4380 12 4 2 0 0 syz-executor594 [ 2072] 0 2072 4380 12 4 2 0 0 syz-executor594 [ 2073] 0 2073 4380 12 4 2 0 0 syz-executor594 [ 2080] 0 2080 4380 0 5 2 0 1000 syz-executor594 [ 2081] 0 2081 4380 12 5 2 0 1000 syz-executor594 [ 2082] 0 2082 4380 12 5 2 0 1000 syz-executor594 [ 2083] 0 2083 4380 12 5 2 0 1000 syz-executor594 [ 2084] 0 2084 4380 12 5 2 0 1000 syz-executor594 [ 2085] 0 2085 4380 12 5 2 0 1000 syz-executor594 Out of memory: Kill process 2081 (syz-executor594) score 999 or sacrifice child Killed process 2081 (syz-executor594) total-vm:17520kB, anon-rss:48kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 2081 (syz-executor594), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor594 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2085 Comm: syz-executor594 Not tainted 4.9.189+ #2 ffff88017db0f5f0 ffffffff81b65c01 ffff88017db0f948 ffffffff833f14f0 00000000000003e8 ffff88017db0f960 0000000000000000 ffff88017db0f670 ffffffff81506abb 0000000000000000 00000000000003e8 ffffffff828289d5 [ 1963] 0 1963 4724 51 15 3 0 0 cron [ 1981] 0 1981 3735 45 11 3 0 0 mcstransd [ 1983] 0 1983 12926 1228 27 4 0 0 restorecond [ 2009] 0 2009 12489 152 28 3 0 -1000 sshd [ 2039] 0 2039 3648 40 13 3 0 0 getty [ 2058] 0 2058 3648 42 13 3 0 0 getty [ 2059] 0 2059 3648 43 13 3 0 0 getty [ 2060] 0 2060 3648 44 13 3 0 0 getty [ 2061] 0 2061 3648 43 12 3 0 0 getty [ 2062] 0 2062 3648 42 13 3 0 0 getty [ 2063] 0 2063 3648 43 13 3 0 0 getty [ 2064] 0 2064 17820 197 40 3 0 0 sshd [ 2066] 0 2066 4380 1 4 2 0 0 syz-executor594 [ 2067] 0 2067 4380 12 4 2 0 0 syz-executor594 [ 2068] 0 2068 4380 12 4 2 0 0 syz-executor594 [<000000005ef36fa6>] translate_table+0x215/0x16c0 net/ipv6/netfilter/ip6_tables.c:733 lowmem_reserve[]: 0 0 0 DMA32: 20*4kB (M) 21*8kB (M) 15*16kB (M) 13*32kB (M) 195*64kB (UM) 33*128kB (U) 4*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 18632kB 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 5384 182 15 3 0 -1000 udevd [ 585] 0 585 5383 182 14 3 0 -1000 udevd [ 586] 0 586 5383 182 14 3 0 -1000 udevd [ 1767] 0 1767 2492 572 8 3 0 0 dhclient [ 1908] 0 1908 30615 110 24 3 0 0 rsyslogd [ 1963] 0 1963 4724 51 15 3 0 0 cron [ 1981] 0 1981 3735 45 11 3 0 0 mcstransd [ 1983] 0 1983 12926 1228 27 4 0 0 restorecond [ 2009] 0 2009 12489 152 28 3 0 -1000 sshd [ 2039] 0 2039 3648 40 13 3 0 0 getty [ 2058] 0 2058 3648 42 13 3 0 0 getty [ 2059] 0 2059 3648 43 13 3 0 0 getty [ 2060] 0 2060 3648 44 13 3 0 0 getty [ 2061] 0 2061 3648 43 12 3 0 0 getty [ 2062] 0 2062 3648 42 13 3 0 0 getty [ 2063] 0 2063 3648 43 13 3 0 0 getty [ 2064] 0 2064 17820 197 40 3 0 0 sshd [ 2066] 0 2066 4380 1 4 2 0 0 syz-executor594 [ 2067] 0 2067 4380 12 4 2 0 0 syz-executor594 [ 2068] 0 2068 4380 12 4 2 0 0 syz-executor594 [ 2070] 0 2070 4380 12 4 2 0 0 syz-executor594 [ 2071] 0 2071 4380 12 4 2 0 0 syz-executor594 [ 2072] 0 2072 4380 12 4 2 0 0 syz-executor594 [ 2073] 0 2073 4380 12 4 2 0 0 syz-executor594 [ 2084] 0 2084 4380 0 5 2 0 1000 syz-executor594 [ 2085] 0 2085 4380 0 5 2 0 1000 syz-executor594 [ 2086] 0 2086 4380 12 5 2 0 1000 syz-executor594 [ 2087] 0 2087 4380 12 5 2 0 1000 syz-executor594 [ 2088] 0 2088 4380 12 5 2 0 1000 syz-executor594