lowmemorykiller: Killing 'syz-executor516' (2063) (tgid 2063), adj 1000, to free 44kB on behalf of 'syz-executor516' (2071) because cache 34108kB is below limit 65536kB for oom_score_adj 12 Free memory is -13204kB above reserved ================================= [ INFO: inconsistent lock state ] 4.9.194+ #0 Not tainted --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. syz-executor516/2071 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<00000000b4aefc1b>] 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: 526923 hardirqs last enabled at (526923): [<000000009a59930a>] vprintk_emit+0x25c/0x6f0 kernel/printk/printk.c:1897 hardirqs last disabled at (526922): [<000000003255531c>] vprintk_emit+0x6d/0x6f0 kernel/printk/printk.c:1801 softirqs last enabled at (526070): [<000000001f81422f>] spin_unlock_bh include/linux/spinlock.h:352 [inline] softirqs last enabled at (526070): [<000000001f81422f>] wb_queue_work+0x1ed/0x450 fs/fs-writeback.c:203 softirqs last disabled at (526066): [<00000000e575a9fb>] spin_lock_bh include/linux/spinlock.h:307 [inline] softirqs last disabled at (526066): [<00000000e575a9fb>] 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); lock(&mm->mmap_sem); *** DEADLOCK *** 1 lock held by syz-executor516/2071: #0: (shrinker_rwsem){++++..}, at: [<000000007455f9b8>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 stack backtrace: CPU: 0 PID: 2071 Comm: syz-executor516 Not tainted 4.9.194+ #0 ffff8801c4c67070 ffffffff81b67001 00000000000000f0 ffff8801cf85c740 ffffffff83cb0b40 ffff8801cf85d038 ffffffff84252000 ffff8801c4c670e8 ffffffff81408710 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<000000007e6d3235>] __dump_stack lib/dump_stack.c:15 [inline] [<000000007e6d3235>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000ec31fc7d>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<00000000ec31fc7d>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<000000003f5b5692>] valid_state kernel/locking/lockdep.c:2400 [inline] [<000000003f5b5692>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<000000003f5b5692>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<0000000055102b9e>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<0000000055102b9e>] __lock_acquire+0x5be/0x4390 kernel/locking/lockdep.c:3302 [<00000000eed7ebc8>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<0000000065b61f9f>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<00000000b4aefc1b>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<000000007ac5a79e>] handle_lmk_event+0x169/0x920 drivers/staging/android/lowmemorykiller.c:116 [<00000000abd207d5>] lowmem_scan+0x6f3/0xb70 drivers/staging/android/lowmemorykiller.c:354 [<000000005ba03fc6>] do_shrink_slab mm/vmscan.c:399 [inline] [<000000005ba03fc6>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<0000000017b7f19e>] shrink_slab mm/vmscan.c:466 [inline] [<0000000017b7f19e>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<0000000005cb9239>] shrink_zones mm/vmscan.c:2751 [inline] [<0000000005cb9239>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<0000000005cb9239>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<00000000290c0f40>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<00000000290c0f40>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<00000000290c0f40>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<00000000290c0f40>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000aa531a86>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000aa531a86>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000aa531a86>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000aa531a86>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000aa531a86>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000037668abf>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000037668abf>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000037668abf>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000c578d932>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<0000000067a36df9>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<0000000067a36df9>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<00000000b52a2f4b>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000b52a2f4b>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000116c32e5>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000116c32e5>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000088a71cca>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114 [<00000000abc08f55>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000125ff382>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000125ff382>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000d7375135>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000a6eba4ba>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb syz-executor516: vmalloc: allocation failure, allocated 1180225536 of 3406176256 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 2063 Comm: syz-executor516 Not tainted 4.9.194+ #0 ffff8801cebafa10 ffffffff81b67001 1ffff10039d75f44 dffffc0000000000 ffffffff82aab480 0000000000000000 0000000000400000 ffff8801cebafb38 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<000000007e6d3235>] __dump_stack lib/dump_stack.c:15 [inline] [<000000007e6d3235>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000003e8af520>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000b03dc00f>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000b03dc00f>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<0000000037668abf>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000037668abf>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000037668abf>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000c578d932>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<0000000067a36df9>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<0000000067a36df9>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<00000000b52a2f4b>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000b52a2f4b>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000116c32e5>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000116c32e5>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000088a71cca>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114 [<00000000abc08f55>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000125ff382>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000125ff382>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000d7375135>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000a6eba4ba>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3601 inactive_anon:40 isolated_anon:0 active_file:12 inactive_file:23 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4260 slab_unreclaimable:56765 mapped:11 shmem:48 pagetables:364 bounce:0 free:25 free_pcp:0 free_cma:0 Node 0 active_anon:14404kB inactive_anon:160kB active_file:48kB inactive_file:92kB 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:8kB 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:92kB min:5580kB low:9168kB high:12756kB active_anon:14404kB inactive_anon:160kB active_file:48kB inactive_file:92kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17040kB slab_unreclaimable:227060kB kernel_stack:3424kB pagetables:1456kB 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 2063 (syz-executor516), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor516 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 2072 Comm: syz-executor516 Not tainted 4.9.194+ #0 ffff8801c4d0f738 ffffffff81b67001 ffff8801c4d0fa90 ffffffff833f1c30 00000000000003e8 ffff8801c4d0faa8 0000000000000000 ffff8801c4d0f7b8 ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 Call Trace: [<000000007e6d3235>] __dump_stack lib/dump_stack.c:15 [inline] [<000000007e6d3235>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000488e171b>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<0000000090a36d27>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000a747f2cd>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000a747f2cd>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<000000002db9b06e>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<000000002db9b06e>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<000000002db9b06e>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<00000000aa531a86>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000aa531a86>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000aa531a86>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000aa531a86>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000aa531a86>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000037668abf>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000037668abf>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000037668abf>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000c578d932>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<0000000067a36df9>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<0000000067a36df9>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<00000000b52a2f4b>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000b52a2f4b>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000116c32e5>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000116c32e5>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000088a71cca>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114 [<00000000abc08f55>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000125ff382>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000125ff382>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000d7375135>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000a6eba4ba>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3601 inactive_anon:40 isolated_anon:0 active_file:12 inactive_file:23 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4260 slab_unreclaimable:56765 mapped:11 shmem:48 pagetables:364 bounce:0 free:25 free_pcp:8 free_cma:0 Node 0 active_anon:14404kB inactive_anon:160kB active_file:48kB inactive_file:92kB 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:8kB 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:92kB min:5580kB low:9168kB high:12756kB active_anon:14404kB inactive_anon:160kB active_file:48kB inactive_file:92kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17040kB slab_unreclaimable:227060kB kernel_stack:3424kB pagetables:1456kB 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 313627 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5384 178 16 3 0 -1000 udevd [ 582] 0 582 5377 176 15 3 0 -1000 udevd [ 583] 0 583 5746 537 16 3 0 -1000 udevd [ 1749] 0 1749 2492 573 9 3 0 0 dhclient [ 1890] 0 1890 30582 110 24 3 0 0 rsyslogd [ 1944] 0 1944 4724 50 15 3 0 0 cron [ 1962] 0 1962 3734 44 11 3 0 0 mcstransd [ 1973] 0 1973 12926 1227 28 3 0 0 restorecond [ 1981] 0 1981 12489 152 30 3 0 -1000 sshd [ 2021] 0 2021 3648 39 13 3 0 0 getty [ 2049] 0 2049 3648 43 13 3 0 0 getty [ 2050] 0 2050 3648 42 13 3 0 0 getty [ 2051] 0 2051 3648 44 13 3 0 0 getty [ 2052] 0 2052 3648 44 13 3 0 0 getty [ 2053] 0 2053 3648 43 13 3 0 0 getty [ 2054] 0 2054 3648 43 13 3 0 0 getty [ 2058] 0 2058 17820 198 40 3 0 0 sshd [ 2060] 0 2060 4381 1 4 2 0 0 syz-executor516 [ 2061] 0 2061 4381 11 4 2 0 0 syz-executor516 [ 2062] 0 2062 4381 11 4 2 0 0 syz-executor516 [ 2063] 0 2063 4381 0 5 2 0 1000 syz-executor516 [ 2064] 0 2064 4381 11 4 2 0 0 syz-executor516 [ 2065] 0 2065 4381 11 4 2 0 0 syz-executor516 [ 2066] 0 2066 4381 11 4 2 0 0 syz-executor516 [ 2067] 0 2067 4381 11 4 2 0 0 syz-executor516 [ 2068] 0 2068 4381 11 5 2 0 1000 syz-executor516 [ 2069] 0 2069 4381 11 5 2 0 1000 syz-executor516 [ 2070] 0 2070 4381 11 5 2 0 1000 syz-executor516 [ 2071] 0 2071 4381 11 5 2 0 1000 syz-executor516 [ 2072] 0 2072 4381 11 5 2 0 1000 syz-executor516 Out of memory: Kill process 2068 (syz-executor516) score 999 or sacrifice child Killed process 2068 (syz-executor516) total-vm:17524kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 2068 (syz-executor516), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor516 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2068 Comm: syz-executor516 Not tainted 4.9.194+ #0 ffff8801ceb37738 ffffffff81b67001 ffff8801ceb37a90 ffffffff833f1c30 00000000000003e8 ffff8801ceb37aa8 0000000000000000 ffff8801ceb377b8 ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 Call Trace: [<000000007e6d3235>] __dump_stack lib/dump_stack.c:15 [inline] [<000000007e6d3235>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000488e171b>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<0000000090a36d27>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000a747f2cd>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000a747f2cd>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<000000002db9b06e>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<000000002db9b06e>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<000000002db9b06e>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<00000000aa531a86>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000aa531a86>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000aa531a86>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000aa531a86>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000aa531a86>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000037668abf>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000037668abf>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000037668abf>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000c578d932>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<0000000067a36df9>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<0000000067a36df9>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<00000000b52a2f4b>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000b52a2f4b>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000116c32e5>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000116c32e5>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000088a71cca>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114 [<00000000abc08f55>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000125ff382>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000125ff382>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000d7375135>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000a6eba4ba>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3601 inactive_anon:40 isolated_anon:0 active_file:12 inactive_file:23 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4260 slab_unreclaimable:56765 mapped:11 shmem:48 pagetables:364 bounce:0 free:25 free_pcp:0 free_cma:0 Node 0 active_anon:14404kB inactive_anon:160kB active_file:48kB inactive_file:92kB 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:8kB 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:92kB min:5580kB low:9168kB high:12756kB active_anon:14404kB inactive_anon:160kB active_file:48kB inactive_file:92kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17040kB slab_unreclaimable:227060kB kernel_stack:3424kB pagetables:1456kB 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 [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5384 178 16 3 0 -1000 udevd [ 582] 0 582 5377 176 15 3 0 -1000 udevd [ 583] 0 583 5746 537 16 3 0 -1000 udevd [ 1749] 0 1749 2492 573 9 3 0 0 dhclient [ 1890] 0 1890 30582 110 24 3 0 0 rsyslogd [ 1944] 0 1944 4724 50 15 3 0 0 cron [ 1962] 0 1962 3734 44 11 3 0 0 mcstransd [ 1973] 0 1973 12926 1227 28 3 0 0 restorecond [ 1981] 0 1981 12489 152 30 3 0 -1000 sshd [ 2021] 0 2021 3648 39 13 3 0 0 getty [ 2049] 0 2049 3648 43 13 3 0 0 getty [ 2050] 0 2050 3648 42 13 3 0 0 getty [ 2051] 0 2051 3648 44 13 3 0 0 getty [ 2052] 0 2052 3648 44 13 3 0 0 getty [ 2053] 0 2053 3648 43 13 3 0 0 getty [ 2054] 0 2054 3648 43 13 3 0 0 getty [ 2058] 0 2058 17820 198 40 3 0 0 sshd [ 2060] 0 2060 4381 1 4 2 0 0 syz-executor516 [ 2061] 0 2061 4381 11 4 2 0 0 syz-executor516 [ 2062] 0 2062 4381 11 4 2 0 0 syz-executor516 [ 2063] 0 2063 4381 0 5 2 0 1000 syz-executor516 [ 2064] 0 2064 4381 11 4 2 0 0 syz-executor516 [ 2065] 0 2065 4381 11 4 2 0 0 syz-executor516 [ 2066] 0 2066 4381 11 4 2 0 0 syz-executor516 Call Trace: [<000000007e6d3235>] __dump_stack lib/dump_stack.c:15 [inline] [<000000007e6d3235>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000003e8af520>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000b03dc00f>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000b03dc00f>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<0000000037668abf>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000037668abf>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000037668abf>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000c578d932>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<0000000067a36df9>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<0000000067a36df9>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<00000000b52a2f4b>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000b52a2f4b>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000116c32e5>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000116c32e5>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000088a71cca>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114 [<00000000abc08f55>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000125ff382>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000125ff382>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000d7375135>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000a6eba4ba>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3601 inactive_anon:40 isolated_anon:0 active_file:12 inactive_file:23 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4260 slab_unreclaimable:56765 mapped:11 shmem:48 pagetables:364 bounce:0 free:25 free_pcp:0 free_cma:0 Node 0 active_anon:14404kB inactive_anon:160kB active_file:48kB inactive_file:92kB 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:8kB 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:92kB min:5580kB low:9168kB high:12756kB active_anon:14404kB inactive_anon:160kB active_file:48kB inactive_file:92kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17040kB slab_unreclaimable:227060kB kernel_stack:3424kB pagetables:1456kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB CPU: 1 PID: 2075 Comm: syz-executor516 Not tainted 4.9.194+ #0 ffff8801ceb37738 ffffffff81b67001 ffff8801ceb37a90 ffffffff833f1c30 00000000000003e8 ffff8801ceb37aa8 0000000000000000 ffff8801ceb377b8 ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 Call Trace: [<000000007e6d3235>] __dump_stack lib/dump_stack.c:15 [inline] [<000000007e6d3235>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000488e171b>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<0000000090a36d27>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000a747f2cd>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000a747f2cd>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<000000002db9b06e>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<000000002db9b06e>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<000000002db9b06e>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<00000000aa531a86>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000aa531a86>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000aa531a86>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000aa531a86>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000aa531a86>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000037668abf>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000037668abf>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000037668abf>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000c578d932>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<0000000067a36df9>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<0000000067a36df9>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<00000000b52a2f4b>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000b52a2f4b>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000116c32e5>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000116c32e5>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000088a71cca>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114 [<00000000abc08f55>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000125ff382>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000125ff382>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000d7375135>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000a6eba4ba>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3390 inactive_anon:40 isolated_anon:0 active_file:18 inactive_file:38 isolated_file:4 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4265 slab_unreclaimable:56460 mapped:41 shmem:48 pagetables:345 bounce:0 free:0 free_pcp:8 free_cma:0 Node 0 active_anon:13560kB inactive_anon:160kB active_file:72kB inactive_file:152kB unevictable:0kB isolated(anon):0kB isolated(file):16kB mapped:164kB dirty:0kB 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:0kB min:5580kB low:9168kB high:12756kB active_anon:13560kB inactive_anon:160kB active_file:72kB inactive_file:152kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17060kB slab_unreclaimable:225840kB kernel_stack:3456kB pagetables:1380kB 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 CPU: 1 PID: 2073 Comm: syz-executor516 Not tainted 4.9.194+ #0 ffff8801cebaf738 ffffffff81b67001 ffff8801cebafa90 ffffffff833f1c30 00000000000003e8 ffff8801cebafaa8 0000000000000000 ffff8801cebaf7b8 100 total pagecache pages 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 178 16 3 0 -1000 udevd [ 582] 0 582 5377 176 15 3 0 -1000 udevd [ 583] 0 583 5746 537 16 3 0 -1000 udevd [ 1749] 0 1749 2492 573 9 3 0 0 dhclient [ 1890] 0 1890 30582 110 24 3 0 0 rsyslogd [ 1944] 0 1944 4724 50 15 3 0 0 cron [ 1962] 0 1962 3734 44 11 3 0 0 mcstransd [ 1973] 0 1973 12926 1227 28 3 0 0 restorecond [ 1981] 0 1981 12489 152 30 3 0 -1000 sshd [ 2021] 0 2021 3648 39 13 3 0 0 getty [ 2058] 0 2058 17820 197 40 3 0 0 sshd [ 2060] 0 2060 4381 1 4 2 0 0 syz-executor516 [ 2061] 0 2061 4381 11 4 2 0 0 syz-executor516 [ 2062] 0 2062 4381 11 4 2 0 0 syz-executor516 [ 2064] 0 2064 4381 11 4 2 0 0 syz-executor516 [ 2065] 0 2065 4381 11 4 2 0 0 syz-executor516 [ 2066] 0 2066 4381 11 4 2 0 0 syz-executor516 [ 2067] 0 2067 4381 11 4 2 0 0 syz-executor516 [ 2070] 0 2070 4381 0 5 2 0 1000 syz-executor516 [ 2071] 0 2071 4381 0 5 2 0 1000 syz-executor516 [ 2072] 0 2072 4381 0 5 2 0 1000 syz-executor516 [ 2073] 0 2073 4381 11 5 2 0 1000 syz-executor516 [ 2074] 0 2074 4381 11 5 2 0 1000 syz-executor516 syz-executor516: [ 2075] 0 2075 4381 11 5 2 0 1000 syz-executor516 vmalloc: allocation failure, allocated 975319040 of 3406176256 bytes[ 60.405613] [ 2076] 0 2076 2666 34 10 3 0 0 init , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 2077] 0 2077 2666 34 10 3 0 0 init 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 178 16 3 0 -1000 udevd [ 582] 0 582 5377 176 15 3 0 -1000 udevd [ 583] 0 583 5746 537 16 3 0 -1000 udevd [ 1749] 0 1749 2492 573 9 3 0 0 dhclient [ 1890] 0 1890 30582 110 24 3 0 0 rsyslogd [ 1944] 0 1944 4724 50 15 3 0 0 cron [ 1962] 0 1962 3734 44 11 3 0 0 mcstransd [ 1973] 0 1973 12926 1227 28 3 0 0 restorecond [ 1981] 0 1981 12489 152 30 3 0 -1000 sshd [ 2021] 0 2021 3648 39 13 3 0 0 getty [ 2058] 0 2058 17820 255 40 3 0 0 sshd [ 2060] 0 2060 4381 1 4 2 0 0 syz-executor516 [ 2061] 0 2061 4381 11 4 2 0 0 syz-executor516 [ 2062] 0 2062 4381 11 4 2 0 0 syz-executor516 [ 2064] 0 2064 4381 11 4 2 0 0 syz-executor516 [ 2065] 0 2065 4381 11 4 2 0 0 syz-executor516 [ 2066] 0 2066 4381 11 4 2 0 0 syz-executor516 [ 2067] 0 2067 4381 11 4 2 0 0 syz-executor516 [ 2073] 0 2073 4381 0 5 2 0 1000 syz-executor516 [ 2074] 0 2074 4381 0 5 2 0 1000 syz-executor516 [ 2075] 0 2075 4381 11 5 2 0 1000 syz-executor516 [ 2076] 0 2076 2666 34 10 3 0 0 init [ 2077] 0 2077 2666 34 10 3 0 0 init [ 2078] 0 2078 2666 34 10 3 0 0 init [ 2079] 0 2079 2666 34 10 3 0 0 init [ 2080] 0 2080 2666 34 10 3 0 0 init [ 2081] 0 2081 2666 34 10 3 0 0 init [ 2083] 0 2083 4381 11 5 2 0 1000 syz-executor516 [ 2084] 0 2084 4381 11 5 2 0 1000 syz-executor516 [ 2085] 0 2085 4381 11 5 2 0 1000 syz-executor516 Out of memory: Kill process 2075 (syz-executor516) score 999 or sacrifice child Killed process 2075 (syz-executor516) total-vm:17524kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 2075 (syz-executor516), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor516 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 2083 Comm: syz-executor516 Not tainted 4.9.194+ #0 ffff8801b8fe7738 ffffffff81b67001 ffff8801b8fe7a90 ffffffff833f1c30 00000000000003e8 ffff8801b8fe7aa8 0000000000000000 ffff8801b8fe77b8 ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 Call Trace: [<000000007e6d3235>] __dump_stack lib/dump_stack.c:15 [inline] [<000000007e6d3235>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000488e171b>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<0000000090a36d27>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000a747f2cd>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000a747f2cd>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<000000002db9b06e>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<000000002db9b06e>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<000000002db9b06e>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<00000000aa531a86>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000aa531a86>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000aa531a86>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000aa531a86>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000aa531a86>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000037668abf>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000037668abf>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000037668abf>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<00000000c578d932>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<0000000067a36df9>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<0000000067a36df9>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<00000000b52a2f4b>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000b52a2f4b>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000116c32e5>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000116c32e5>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000088a71cca>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114 [<00000000abc08f55>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000125ff382>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000125ff382>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000d7375135>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000a6eba4ba>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3385 inactive_anon:40 isolated_anon:0 active_file:94 inactive_file:124 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4266 slab_unreclaimable:56459 mapped:222 shmem:48 pagetables:346 bounce:0 free:45 free_pcp:30 free_cma:0 Node 0 active_anon:13540kB inactive_anon:160kB active_file:376kB inactive_file:496kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:888kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:164kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:228kB inactive_file:496kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB Normal free:16kB min:5580kB low:9168kB high:12756kB active_anon:13440kB inactive_anon:160kB active_file:48kB inactive_file:12kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17064kB slab_unreclaimable:225836kB kernel_stack:3424kB pagetables:1384kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 7*4kB (M) 2*8kB (UM) 4*16kB (UM) 1*32kB (U) 1*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 204kB 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 178 16 3 0 -1000 udevd [ 582] 0 582 5377 176 15 3 0 -1000 udevd syz-executor516: [ 583] 0 583 5746 537 16 3 0 -1000 udevd vmalloc: allocation failure, allocated 2451218432 of 3406176256 bytes[ 60.973916] [ 1749] 0 1749 2492 573 9 3 0 0 dhclient , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 1890] 0 1890 30582 110 24 3 0 0 rsyslogd CPU: 0 PID: 2075 Comm: syz-executor516 Not tainted 4.9.194+ #0 [ 1944] 0 1944 4724 50 15 3 0 0 cron ffff8801ceb37a10 [ 1962] 0 1962 3734 44 11 3 0 0 mcstransd ffffffff81b67001[ 60.973950] [ 1973] 0 1973 12926 1227 28 3 0 0 restorecond 1ffff10039d66f44[ 60.973957] [ 1981] 0 1981 12489 152 30 3 0 -1000 sshd dffffc0000000000[ 60.973964] [ 2021] 0 2021 3648 39 13 3 0 0 getty ffffffff82aab480 [ 2058] 0 2058 17820 240 40 3 0 0 sshd 0000000000000000[ 60.973984] [ 2060] 0 2060 4381 1 4 2 0 0 syz-executor516 0000000000400000[ 60.973991] [ 2061] 0 2061 4381 11 4 2 0 0 syz-executor516 ffff8801ceb37b38[ 60.973998] [ 2062] 0 2062 4381 11 4 2 0 0 syz-executor516 ffffffff815080fc [ 2064] 0 2064 4381 11 4 2 0 0 syz-executor516 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 [ 2065] 0 2065 4381 11 4 2 0 0 syz-executor516 Call Trace: [ 2066] 0 2066 4381 11 4 2 0 0 syz-executor516 [<000000007e6d3235>] __dump_stack lib/dump_stack.c:15 [inline] [<000000007e6d3235>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [ 2067] 0 2067 4381 11 4 2 0 0 syz-executor516 [<000000003e8af520>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [ 2073] 0 2073 4381 0 5 2 0 1000 syz-executor516 [ 2074] 0 2074 4381 0 5 2 0 1000 syz-executor516 [ 2075] 0 2075 4381 0 5 2 0 1000 syz-executor516 [<00000000b03dc00f>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000b03dc00f>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [ 2076] 0 2076 2666 34 10 3 0 0 init [ 2077] 0 2077 2666 34 10 3 0 0 init [<0000000037668abf>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<0000000037668abf>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<0000000037668abf>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [ 2078] 0 2078 2666 34 10 3 0 0 init [ 2079] 0 2079 2666 34 10 3 0 0 init [<00000000c578d932>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [ 2080] 0 2080 2666 34 10 3 0 0 init [<0000000067a36df9>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<0000000067a36df9>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [ 2081] 0 2081 2666 34 10 3 0 0 init [ 2083] 0 2083 4381 11 5 2 0 1000 syz-executor516 [ 2084] 0 2084 4381 11 5 2 0 1000 syz-executor516 [ 2085] 0 2085 4381 11 5 2 0 1000 syz-executor516 [<00000000b52a2f4b>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000b52a2f4b>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 Out of memory: Kill process 2083 (syz-executor516) score 999 or sacrifice child [<00000000116c32e5>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000116c32e5>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 Killed process 2083 (syz-executor516) total-vm:17524kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB [<0000000088a71cca>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2114 [<00000000abc08f55>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000125ff382>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000125ff382>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000d7375135>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000a6eba4ba>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3385 inactive_anon:40 isolated_anon:0 active_file:94 inactive_file:124 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4266 slab_unreclaimable:56459 mapped:222 shmem:48 pagetables:346 bounce:0 free:14 free_pcp:0 free_cma:0 Node 0 active_anon:13440kB inactive_anon:160kB active_file:376kB inactive_file:496kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:888kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no oom_reaper: reaped process 2083 (syz-executor516), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB DMA32 free:40kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:228kB inactive_file:496kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:24kB local_pcp:0kB free_cma:0kB syz-executor516: lowmem_reserve[]: vmalloc: allocation failure, allocated 336433152 of 3406176256 bytes 0, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) 3505 ffff8801b8fe7a10