lowmemorykiller: Killing 'syz-executor126' (2052) (tgid 2052), adj 1000, to free 44kB on behalf of 'syz-executor126' (2052) because cache 34252kB is below limit 65536kB for oom_score_adj 12 Free memory is -12860kB above reserved ================================= [ INFO: inconsistent lock state ] 4.9.191+ #0 Not tainted --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. syz-executor126/2052 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<000000006f48fbfd>] 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: 592245 hardirqs last enabled at (592245): [<00000000382f56b2>] vprintk_emit+0x25c/0x6f0 kernel/printk/printk.c:1897 hardirqs last disabled at (592244): [<00000000cc7cce98>] vprintk_emit+0x6d/0x6f0 kernel/printk/printk.c:1801 softirqs last enabled at (592072): [<00000000fcd6ec3d>] __do_softirq+0x474/0x964 kernel/softirq.c:314 softirqs last disabled at (592065): [<00000000bb5b4390>] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (592065): [<00000000bb5b4390>] 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-executor126/2052: #0: (shrinker_rwsem){++++..}, at: [<00000000677ce4f9>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 stack backtrace: CPU: 0 PID: 2052 Comm: syz-executor126 Not tainted 4.9.191+ #0 ffff8801cedc7060 ffffffff81b67171 00000000000000f0 ffff8801cf5f8000 ffffffff83cb07e0 ffff8801cf5f88f8 ffffffff84252000 ffff8801cedc70d8 ffffffff814088a0 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<00000000ba624d81>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000ba624d81>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000b0bb4ad6>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<00000000b0bb4ad6>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<00000000a223cd1f>] valid_state kernel/locking/lockdep.c:2400 [inline] [<00000000a223cd1f>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<00000000a223cd1f>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<000000005386a3b0>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<000000005386a3b0>] __lock_acquire+0x5be/0x4390 kernel/locking/lockdep.c:3302 [<00000000d8f1d886>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<00000000f9397cf7>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<000000006f48fbfd>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<00000000a3a25f1e>] handle_lmk_event+0x169/0x920 drivers/staging/android/lowmemorykiller.c:116 [<00000000d79ae518>] lowmem_scan+0x6f3/0xb70 drivers/staging/android/lowmemorykiller.c:354 [<000000003429a2e7>] do_shrink_slab mm/vmscan.c:399 [inline] [<000000003429a2e7>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<000000006e75bbda>] shrink_slab mm/vmscan.c:466 [inline] [<000000006e75bbda>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<000000007a730c1f>] shrink_zones mm/vmscan.c:2751 [inline] [<000000007a730c1f>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<000000007a730c1f>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<0000000000a4f729>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<0000000000a4f729>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<0000000000a4f729>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<0000000000a4f729>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000da4c0bd2>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000da4c0bd2>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000da4c0bd2>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000da4c0bd2>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000da4c0bd2>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<000000008a4c0e4e>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<000000008a4c0e4e>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<000000008a4c0e4e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<000000003eda3af0>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000c11ca23d>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<00000000c11ca23d>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<00000000ac6097d6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ac6097d6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000b4c9c942>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000b4c9c942>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000000db37be5>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<000000000db37be5>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<0000000092222426>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000003970f8bc>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000003970f8bc>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000001914fea3>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<000000003ccaa0de>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb oom_reaper: reaped process 2052 (syz-executor126), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor126 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2059 Comm: syz-executor126 Not tainted 4.9.191+ #0 ffff8801ced07730 ffffffff81b67171 ffff8801ced07a88 ffffffff833f1c30 00000000000003e8 ffff8801ced07aa0 0000000000000000 ffff8801ced077b0 ffffffff81506fd4 0000000000000000 00000000000003e8 ffffffff8282a8c5 Call Trace: [<00000000ba624d81>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000ba624d81>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000000127c754>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<0000000065c5921f>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000a0ba94ee>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000a0ba94ee>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<0000000084a051c6>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<0000000084a051c6>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<0000000084a051c6>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<00000000da4c0bd2>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000da4c0bd2>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000da4c0bd2>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000da4c0bd2>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000da4c0bd2>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<000000008a4c0e4e>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<000000008a4c0e4e>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<000000008a4c0e4e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<000000003eda3af0>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000c11ca23d>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<00000000c11ca23d>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<00000000ac6097d6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ac6097d6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000b4c9c942>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000b4c9c942>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000000db37be5>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<000000000db37be5>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<0000000092222426>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000003970f8bc>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000003970f8bc>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000001914fea3>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<000000003ccaa0de>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3190 inactive_anon:40 isolated_anon:0 active_file:2 inactive_file:34 isolated_file:0 unevictable:0 dirty:9 writeback:0 unstable:0 slab_reclaimable:4252 slab_unreclaimable:56644 mapped:16 shmem:48 pagetables:359 bounce:0 free:6028 free_pcp:67 free_cma:0 Node 0 active_anon:12760kB inactive_anon:160kB active_file:8kB inactive_file:136kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:36kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18624kB 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:120kB local_pcp:120kB free_cma:0kB Normal free:5488kB min:5580kB low:9168kB high:12756kB active_anon:12760kB inactive_anon:160kB active_file:8kB inactive_file:136kB unevictable:0kB writepending:36kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17008kB slab_unreclaimable:226576kB kernel_stack:3424kB pagetables:1436kB bounce:0kB free_pcp:148kB 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) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18624kB 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 185 16 3 0 -1000 udevd [ 583] 0 583 5364 168 15 3 0 -1000 udevd [ 584] 0 584 5364 168 15 3 0 -1000 udevd [ 1758] 0 1758 2492 573 9 3 0 0 dhclient [ 1891] 0 1891 30582 108 24 3 0 0 rsyslogd [ 1944] 0 1944 4724 51 15 3 0 0 cron [ 1964] 0 1964 3735 45 12 3 0 0 mcstransd [ 1969] 0 1969 12926 1228 27 3 0 0 restorecond [ 1991] 0 1991 12489 152 28 3 0 -1000 sshd [ 2022] 0 2022 3648 40 13 3 0 0 getty [ 2041] 0 2041 3648 44 12 3 0 0 getty [ 2042] 0 2042 3648 43 13 3 0 0 getty [ 2043] 0 2043 3648 43 13 4 0 0 getty [ 2044] 0 2044 3648 42 12 3 0 0 getty [ 2045] 0 2045 3648 42 13 3 0 0 getty [ 2046] 0 2046 3648 42 13 3 0 0 getty [ 2047] 0 2047 17820 199 40 3 0 0 sshd [ 2049] 0 2049 4380 1 4 2 0 0 syz-executor126 [ 2050] 0 2050 4380 11 4 2 0 0 syz-executor126 [ 2051] 0 2051 4380 11 4 2 0 0 syz-executor126 [ 2052] 0 2052 4380 0 5 2 0 1000 syz-executor126 [ 2053] 0 2053 4380 11 4 2 0 0 syz-executor126 [ 2054] 0 2054 4380 11 4 2 0 0 syz-executor126 [ 2055] 0 2055 4380 11 4 2 0 0 syz-executor126 [ 2056] 0 2056 4380 11 4 2 0 0 syz-executor126 [ 2057] 0 2057 4380 11 5 2 0 1000 syz-executor126 [ 2058] 0 2058 4380 11 5 2 0 1000 syz-executor126 [ 2059] 0 2059 4380 11 5 2 0 1000 syz-executor126 [ 2060] 0 2060 4380 11 5 2 0 1000 syz-executor126 [ 2061] 0 2061 4380 11 5 2 0 1000 syz-executor126 Out of memory: Kill process 2057 (syz-executor126) score 999 or sacrifice child Killed process 2057 (syz-executor126) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 2057 (syz-executor126), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor126 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2059 Comm: syz-executor126 Not tainted 4.9.191+ #0 ffff8801ced07730 ffffffff81b67171 ffff8801ced07a88 ffffffff833f1c30 00000000000003e8 ffff8801ced07aa0 0000000000000000 ffff8801ced077b0 ffffffff81506fd4 0000000000000000 00000000000003e8 ffffffff8282a8c5 Call Trace: [<00000000ba624d81>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000ba624d81>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000000127c754>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<0000000065c5921f>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000a0ba94ee>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000a0ba94ee>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<0000000084a051c6>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<0000000084a051c6>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<0000000084a051c6>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<00000000da4c0bd2>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000da4c0bd2>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000da4c0bd2>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000da4c0bd2>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000da4c0bd2>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<000000008a4c0e4e>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<000000008a4c0e4e>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<000000008a4c0e4e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<000000003eda3af0>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000c11ca23d>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<00000000c11ca23d>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<00000000ac6097d6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ac6097d6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000b4c9c942>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000b4c9c942>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000000db37be5>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<000000000db37be5>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<0000000092222426>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000003970f8bc>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000003970f8bc>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000001914fea3>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<000000003ccaa0de>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3196 inactive_anon:40 isolated_anon:0 active_file:7 inactive_file:24 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4252 slab_unreclaimable:56667 mapped:7 shmem:48 pagetables:359 bounce:0 free:6033 free_pcp:74 free_cma:0 Node 0 active_anon:12784kB inactive_anon:160kB active_file:28kB inactive_file:96kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18624kB 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:120kB local_pcp:120kB free_cma:0kB Normal free:5508kB min:5580kB low:9168kB high:12756kB active_anon:12784kB inactive_anon:160kB active_file:28kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17008kB slab_unreclaimable:226668kB kernel_stack:3424kB pagetables:1436kB bounce:0kB free_pcp:176kB local_pcp:28kB 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) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18624kB 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 185 16 3 0 -1000 udevd [ 583] 0 583 5364 168 15 3 0 -1000 udevd [ 584] 0 584 5364 168 15 3 0 -1000 udevd [ 1758] 0 1758 2492 573 9 3 0 0 dhclient [ 1891] 0 1891 30582 108 24 3 0 0 rsyslogd [ 1944] 0 1944 4724 51 15 3 0 0 cron [ 1964] 0 1964 3735 45 12 3 0 0 mcstransd [ 1969] 0 1969 12926 1228 27 3 0 0 restorecond [ 1991] 0 1991 12489 152 28 3 0 -1000 sshd [ 2022] 0 2022 3648 40 13 3 0 0 getty [ 2041] 0 2041 3648 44 12 3 0 0 getty [ 2042] 0 2042 3648 43 13 3 0 0 getty [ 2043] 0 2043 3648 43 13 4 0 0 getty [ 2044] 0 2044 3648 42 12 3 0 0 getty [ 2045] 0 2045 3648 42 13 3 0 0 getty [ 2046] 0 2046 3648 42 13 3 0 0 getty [ 2047] 0 2047 17820 199 40 3 0 0 sshd [ 2049] 0 2049 4380 1 4 2 0 0 syz-executor126 [ 2050] 0 2050 4380 11 4 2 0 0 syz-executor126 [ 2051] 0 2051 4380 11 4 2 0 0 syz-executor126 [ 2052] 0 2052 4380 0 5 2 0 1000 syz-executor126 [ 2053] 0 2053 4380 11 4 2 0 0 syz-executor126 [ 2054] 0 2054 4380 11 4 2 0 0 syz-executor126 [ 2055] 0 2055 4380 11 4 2 0 0 syz-executor126 [ 2056] 0 2056 4380 11 4 2 0 0 syz-executor126 [ 2057] 0 2057 4380 0 5 2 0 1000 syz-executor126 [ 2058] 0 2058 4380 11 5 2 0 1000 syz-executor126 [ 2059] 0 2059 4380 11 5 2 0 1000 syz-executor126 [ 2060] 0 2060 4380 11 5 2 0 1000 syz-executor126 [ 2061] 0 2061 4380 11 5 2 0 1000 syz-executor126 Out of memory: Kill process 2058 (syz-executor126) score 999 or sacrifice child Killed process 2058 (syz-executor126) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB syz-executor126: vmalloc: allocation failure, allocated 1105027072 of 4294975488 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2058 Comm: syz-executor126 Not tainted 4.9.191+ #0 ffff8801ced1fa08 ffffffff81b67171 1ffff10039da3f43 dffffc0000000000 ffffffff82aab400 0000000000000000 0000000000400000 ffff8801ced1fb30 ffffffff8150828c 0000000041b58ab3 ffffffff82e3bbf0 ffffffff81431e90 Call Trace: [<00000000ba624d81>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000ba624d81>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000056209f5e>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000032fa61e5>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<0000000032fa61e5>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<000000008a4c0e4e>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<000000008a4c0e4e>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<000000008a4c0e4e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<000000003eda3af0>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000c11ca23d>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<00000000c11ca23d>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<00000000ac6097d6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ac6097d6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000b4c9c942>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000b4c9c942>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000000db37be5>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<000000000db37be5>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<0000000092222426>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000003970f8bc>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000003970f8bc>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000001914fea3>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<000000003ccaa0de>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3189 inactive_anon:40 isolated_anon:0 active_file:7 inactive_file:24 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4252 slab_unreclaimable:56667 mapped:7 shmem:48 pagetables:359 bounce:0 free:5 free_pcp:0 free_cma:0 Node 0 active_anon:12756kB inactive_anon:160kB active_file:28kB inactive_file:96kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:16kB 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:4kB min:5580kB low:9168kB high:12756kB active_anon:12756kB inactive_anon:160kB active_file:28kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17008kB slab_unreclaimable:226668kB kernel_stack:3424kB pagetables:1436kB 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 2058 (syz-executor126), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor126: vmalloc: allocation failure, allocated 1140436992 of 4294975488 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 2057 Comm: syz-executor126 Not tainted 4.9.191+ #0 ffff8801ced27a08 ffffffff81b67171 1ffff10039da4f43 dffffc0000000000 ffffffff82aab400 0000000000000000 0000000000400000 ffff8801ced27b30 ffffffff8150828c 0000000041b58ab3 ffffffff82e3bbf0 ffffffff81431e90 Call Trace: [<00000000ba624d81>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000ba624d81>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000056209f5e>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000032fa61e5>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<0000000032fa61e5>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<000000008a4c0e4e>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<000000008a4c0e4e>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<000000008a4c0e4e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<000000003eda3af0>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000c11ca23d>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<00000000c11ca23d>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<00000000ac6097d6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ac6097d6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000b4c9c942>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000b4c9c942>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000000db37be5>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<000000000db37be5>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<0000000092222426>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000003970f8bc>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000003970f8bc>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000001914fea3>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<000000003ccaa0de>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3189 inactive_anon:40 isolated_anon:0 active_file:7 inactive_file:24 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4252 slab_unreclaimable:56667 mapped:7 shmem:48 pagetables:359 bounce:0 free:5 free_pcp:7 free_cma:0 Node 0 active_anon:12756kB inactive_anon:160kB active_file:28kB inactive_file:96kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:16kB 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:4kB min:5580kB low:9168kB high:12756kB active_anon:12756kB inactive_anon:160kB active_file:28kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17008kB slab_unreclaimable:226668kB kernel_stack:3424kB pagetables:1436kB bounce:0kB free_pcp:28kB 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-executor126: vmalloc: allocation failure, allocated 1201893376 of 4294975488 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2052 Comm: syz-executor126 Not tainted 4.9.191+ #0 ffff8801cedc7a08 ffffffff81b67171 1ffff10039db8f43 dffffc0000000000 ffffffff82aab400 0000000000000000 0000000000400000 ffff8801cedc7b30 ffffffff8150828c 0000000041b58ab3 ffffffff82e3bbf0 ffffffff81431e90 Call Trace: [<00000000ba624d81>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000ba624d81>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000056209f5e>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000032fa61e5>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<0000000032fa61e5>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<000000008a4c0e4e>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<000000008a4c0e4e>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<000000008a4c0e4e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<000000003eda3af0>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000c11ca23d>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<00000000c11ca23d>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<00000000ac6097d6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ac6097d6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000b4c9c942>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000b4c9c942>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000000db37be5>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<000000000db37be5>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<0000000092222426>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000003970f8bc>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000003970f8bc>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000001914fea3>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<000000003ccaa0de>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3189 inactive_anon:40 isolated_anon:0 active_file:7 inactive_file:24 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4252 slab_unreclaimable:56667 mapped:7 shmem:48 pagetables:359 bounce:0 free:5 free_pcp:7 free_cma:0 Node 0 active_anon:12756kB inactive_anon:160kB active_file:28kB inactive_file:96kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:16kB 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:4kB min:5580kB low:9168kB high:12756kB active_anon:12756kB inactive_anon:160kB active_file:28kB inactive_file:96kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17008kB slab_unreclaimable:226668kB kernel_stack:3424kB pagetables:1436kB bounce:0kB free_pcp:28kB local_pcp:28kB 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 ODEBUG: Out of memory. ODEBUG disabled lowmemorykiller: Killing 'syz-executor126' (2059) (tgid 2059), adj 1000, to free 44kB on behalf of 'syz-executor126' (2063) because cache 2124kB is below limit 6144kB for oom_score_adj 0 Free memory is -13436kB above reserved oom_reaper: reaped process 2059 (syz-executor126), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor126 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 2063 Comm: syz-executor126 Not tainted 4.9.191+ #0 ffff8801ced27730 ffffffff81b67171 ffff8801ced27a88 ffffffff833f1c30 00000000000003e8 ffff8801ced27aa0 0000000000000000 ffff8801ced277b0 ffffffff81506fd4 0000000000000000 00000000000003e8 ffffffff8282a8c5 Call Trace: [<00000000ba624d81>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000ba624d81>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000000127c754>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<0000000065c5921f>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000a0ba94ee>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000a0ba94ee>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<0000000084a051c6>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<0000000084a051c6>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<0000000084a051c6>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<00000000da4c0bd2>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000da4c0bd2>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000da4c0bd2>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000da4c0bd2>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000da4c0bd2>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<000000008a4c0e4e>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<000000008a4c0e4e>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<000000008a4c0e4e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<000000003eda3af0>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000ac6097d6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ac6097d6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000b4c9c942>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000b4c9c942>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000000db37be5>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<000000000db37be5>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<0000000092222426>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000003970f8bc>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000003970f8bc>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000001914fea3>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<000000003ccaa0de>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3203 inactive_anon:40 isolated_anon:0 active_file:9 inactive_file:22 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4260 slab_unreclaimable:56690 mapped:19 shmem:48 pagetables:359 bounce:0 free:11 free_pcp:0 free_cma:0 Node 0 active_anon:12812kB inactive_anon:160kB active_file:36kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:76kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:68kB 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:12812kB inactive_anon:160kB active_file:36kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17040kB slab_unreclaimable:226760kB kernel_stack:3424kB pagetables:1436kB 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 [ 1964] 0 1964 3735 45 12 3 0 0 mcstransd lowmem_reserve[]: 0 0 0 107 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 185 16 3 0 -1000 udevd [ 583] 0 583 5364 168 15 3 0 -1000 udevd [ 584] 0 584 5364 168 15 3 0 -1000 udevd [ 1758] 0 1758 2492 573 9 3 0 0 dhclient [ 1891] 0 1891 30582 108 24 3 0 0 rsyslogd [ 1944] 0 1944 4724 51 15 3 0 0 cron [ 1964] 0 1964 3735 45 12 3 0 0 mcstransd [ 1969] 0 1969 12926 1228 27 3 0 0 restorecond [ 1991] 0 1991 12489 152 28 3 0 -1000 sshd [ 2022] 0 2022 3648 40 13 3 0 0 getty [ 2041] 0 2041 3648 44 12 3 0 0 getty [ 2042] 0 2042 3648 43 13 3 0 0 getty [ 2043] 0 2043 3648 43 13 4 0 0 getty [ 2044] 0 2044 3648 42 12 3 0 0 getty [ 2045] 0 2045 3648 42 13 3 0 0 getty [ 2046] 0 2046 3648 42 13 3 0 0 getty [ 2047] 0 2047 17820 199 40 3 0 0 sshd [ 2049] 0 2049 4380 1 4 2 0 0 syz-executor126 [ 2050] 0 2050 4380 11 4 2 0 0 syz-executor126 [ 2051] 0 2051 4380 11 4 2 0 0 syz-executor126 [ 2053] 0 2053 4380 11 4 2 0 0 syz-executor126 [ 2054] 0 2054 4380 11 4 2 0 0 syz-executor126 [ 2055] 0 2055 4380 11 4 2 0 0 syz-executor126 [ 2056] 0 2056 4380 11 4 2 0 0 syz-executor126 [ 2062] 0 2062 4380 0 5 2 0 1000 syz-executor126 [ 2063] 0 2063 4380 11 5 2 0 1000 syz-executor126 [ 2064] 0 2064 4380 11 5 2 0 1000 syz-executor126 [ 2065] 0 2065 4380 11 5 2 0 1000 syz-executor126 [ 2066] 0 2066 4380 11 5 2 0 1000 syz-executor126 Out of memory: Kill process 2063 (syz-executor126) score 999 or sacrifice child Killed process 2063 (syz-executor126) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB syz-executor126: vmalloc: allocation failure, allocated 1201516544 of 4294975488 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 2063 Comm: syz-executor126 Not tainted 4.9.191+ #0 ffff8801ced27a08 ffffffff81b67171 1ffff10039da4f43 dffffc0000000000 Free swap = 0kB lowmem_reserve[]: 0 0 0 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 2064 (syz-executor126), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB lowmemorykiller: Killing 'syz-executor126' (2065) (tgid 2065), adj 1000, to free 44kB on behalf of 'syz-executor126' (2067) because cache 2048kB is below limit 6144kB for oom_score_adj 0 Free memory is -13420kB above reserved syz-executor126: vmalloc: allocation failure, allocated 3109302272 of 4294975488 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 2065 Comm: syz-executor126 Not tainted 4.9.191+ #0 ffff8801cd507a08 ffffffff81b67171 1ffff10039aa0f43 dffffc0000000000 ffffffff82aab400 0000000000000000 0000000000400000 ffff8801cd507b30 ffffffff8150828c 0000000041b58ab3 ffffffff82e3bbf0 ffffffff81431e90 Call Trace: [<00000000ba624d81>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000ba624d81>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000056209f5e>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<0000000032fa61e5>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<0000000032fa61e5>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<000000008a4c0e4e>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<000000008a4c0e4e>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<000000008a4c0e4e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<000000003eda3af0>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000c11ca23d>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<00000000c11ca23d>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<00000000ac6097d6>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000ac6097d6>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000b4c9c942>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000b4c9c942>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000000db37be5>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<000000000db37be5>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<0000000092222426>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000003970f8bc>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000003970f8bc>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<000000001914fea3>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<000000003ccaa0de>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3187 inactive_anon:40 isolated_anon:0 active_file:26 inactive_file:27 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4271 slab_unreclaimable:56718 mapped:13 shmem:48 pagetables:351 bounce:0 free:0 free_pcp:0 free_cma:0 Node 0 active_anon:12748kB inactive_anon:160kB active_file:104kB inactive_file:108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:52kB 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:48kB inactive_anon:0kB active_file:84kB inactive_file:8kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:36kB kernel_stack:64kB pagetables:24kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12700kB inactive_anon:160kB active_file:32kB inactive_file:92kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17048kB slab_unreclaimable:226836kB kernel_stack:3328kB pagetables:1380kB 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 2065 (syz-executor126), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor126 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 2068 Comm: syz-executor126 Not tainted 4.9.191+ #0 ffff8801c38bf730 ffffffff81b67171 ffff8801c38bfa88 ffffffff833f1c30 00000000000003e8 ffff8801c38bfaa0 0000000000000000 ffff8801c38bf7b0 ffffffff81506fd4 0000000000000000 00000000000003e8 ffffffff8282a8c5 Call Trace: [<00000000ba624d81>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000ba624d81>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000000127c754>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<0000000065c5921f>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000a0ba94ee>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000a0ba94ee>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:48kB inactive_anon:0kB active_file:84kB inactive_file:8kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:36kB slab_unreclaimable:36kB kernel_stack:64kB pagetables:24kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB