[28922] 0 28922 18047 8701 23 2 0 1000 syz-executor.0 [28930] 0 28929 18146 4 25 2 0 1000 syz-executor.1 Out of memory: Kill process 11425 (syz-executor.1) score 1005 or sacrifice child Killed process 11425 (syz-executor.1) total-vm:72452kB, anon-rss:148kB, file-rss:34688kB, shmem-rss:0kB oom_reaper: reaped process 11425 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB INFO: rcu_preempt detected stalls on CPUs/tasks: Tasks blocked on level-0 rcu_node (CPUs 0-1): P28930 (detected by 1, t=10502 jiffies, g=28150, c=28149, q=2800) syz-executor.1 R running task 25592 28930 2129 0x20120004 ffff8801db707c60 ffffffff813fa6fd ffffffff813fa504 ffff8801c5ccc740 ffffffff830cd6c0 0000000000000096 ffff8801c5cccb20 dffffc0000000000 ffff8801db707c98 ffffffff81404e39 0000000000006df5 0000000000000af0 Call Trace: [] sched_show_task.cold.35+0x279/0x31f kernel/sched/core.c:5317 [] rcu_print_detail_task_stall_rnp+0xc2/0xfe kernel/rcu/tree_plugin.h:530 [] rcu_print_detail_task_stall kernel/rcu/tree_plugin.h:543 [inline] [] print_other_cpu_stall kernel/rcu/tree.c:1408 [inline] [] check_cpu_stall kernel/rcu/tree.c:1520 [inline] [] __rcu_pending kernel/rcu/tree.c:3487 [inline] [] rcu_pending kernel/rcu/tree.c:3551 [inline] [] rcu_check_callbacks.cold.69+0x757/0xd27 kernel/rcu/tree.c:2880 [] update_process_times+0x30/0x70 kernel/time/timer.c:1629 [] tick_sched_handle.isra.5+0x4a/0xf0 kernel/time/tick-sched.c:151 [] tick_sched_timer+0x76/0x130 kernel/time/tick-sched.c:1190 [] __run_hrtimer kernel/time/hrtimer.c:1255 [inline] [] __hrtimer_run_queues+0x357/0xe30 kernel/time/hrtimer.c:1319 [] hrtimer_interrupt+0x1b1/0x430 kernel/time/hrtimer.c:1353 [] local_apic_timer_interrupt+0x74/0xa0 arch/x86/kernel/apic/apic.c:937 [] smp_apic_timer_interrupt+0x7c/0xb0 arch/x86/kernel/apic/apic.c:961 [] apic_timer_interrupt+0x9d/0xb0 arch/x86/entry/entry_64.S:648 [] vprintk_emit+0x448/0x790 kernel/printk/printk.c:1908 [] vprintk+0x28/0x30 kernel/printk/printk.c:1918 [] vprintk_default+0x1d/0x30 kernel/printk/printk.c:1919 [] vprintk_func kernel/printk/internal.h:36 [inline] [] printk+0xaf/0xd7 kernel/printk/printk.c:1980 [] lowmem_scan.cold.1+0x1f9/0x35b drivers/staging/android/lowmemorykiller.c:177 [] do_shrink_slab mm/vmscan.c:398 [inline] [] shrink_slab.part.8+0x3c6/0xa00 mm/vmscan.c:501 [] shrink_slab mm/vmscan.c:465 [inline] [] shrink_node+0x1ed/0x740 mm/vmscan.c:2602 [] shrink_zones mm/vmscan.c:2749 [inline] [] do_try_to_free_pages mm/vmscan.c:2791 [inline] [] try_to_free_pages+0x377/0xb80 mm/vmscan.c:3002 [] __perform_reclaim mm/page_alloc.c:3324 [inline] [] __alloc_pages_direct_reclaim mm/page_alloc.c:3345 [inline] [] __alloc_pages_slowpath mm/page_alloc.c:3697 [inline] [] __alloc_pages_nodemask+0x981/0x1bd0 mm/page_alloc.c:3862 [] __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] [] __vmalloc_area_node mm/vmalloc.c:1644 [inline] [] __vmalloc_node_range+0x25b/0x600 mm/vmalloc.c:1702 [] __vmalloc_node mm/vmalloc.c:1745 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1759 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1774 [] xt_alloc_table_info+0xc9/0x100 net/netfilter/x_tables.c:997 [] compat_do_replace.isra.6+0x112/0x4f0 net/ipv4/netfilter/arp_tables.c:1276 [] compat_do_arpt_set_ctl+0x102/0x140 net/ipv4/netfilter/arp_tables.c:1314 [] compat_nf_sockopt net/netfilter/nf_sockopt.c:143 [inline] [] compat_nf_setsockopt+0x8b/0x130 net/netfilter/nf_sockopt.c:155 [] compat_ip_setsockopt+0x97/0xd0 net/ipv4/ip_sockglue.c:1275 [] inet_csk_compat_setsockopt+0x97/0x120 net/ipv4/inet_connection_sock.c:917 [] compat_tcp_setsockopt+0x3d/0x70 net/ipv4/tcp.c:2769 [] compat_sock_common_setsockopt+0xb4/0x150 net/core/sock.c:2717 [] C_SYSC_setsockopt net/compat.c:399 [inline] [] compat_SyS_setsockopt+0x169/0x550 net/compat.c:382 [] do_syscall_32_irqs_on arch/x86/entry/common.c:328 [inline] [] do_fast_syscall_32+0x2f1/0xa10 arch/x86/entry/common.c:390 [] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137 syz-executor.1 R running task 25592 28930 2129 0xa0120004 ffff8801db707c60 ffffffff813fa6fd ffffffff813fa504 ffff8801c5ccc740 ffffffff830cd6c0 0000000000000096 ffff8801c5cccb20 dffffc0000000000 ffff8801db707c98 ffffffff81404e39 ffffffff830cda40 0000000000000af0 Call Trace: [] sched_show_task.cold.35+0x279/0x31f kernel/sched/core.c:5317 [] rcu_print_detail_task_stall_rnp+0xc2/0xfe kernel/rcu/tree_plugin.h:530 [] rcu_print_detail_task_stall kernel/rcu/tree_plugin.h:545 [inline] [] print_other_cpu_stall kernel/rcu/tree.c:1408 [inline] [] check_cpu_stall kernel/rcu/tree.c:1520 [inline] [] __rcu_pending kernel/rcu/tree.c:3487 [inline] [] rcu_pending kernel/rcu/tree.c:3551 [inline] [] rcu_check_callbacks.cold.69+0x7af/0xd27 kernel/rcu/tree.c:2880 [] update_process_times+0x30/0x70 kernel/time/timer.c:1629 [] tick_sched_handle.isra.5+0x4a/0xf0 kernel/time/tick-sched.c:151 [] tick_sched_timer+0x76/0x130 kernel/time/tick-sched.c:1190 [] __run_hrtimer kernel/time/hrtimer.c:1255 [inline] [] __hrtimer_run_queues+0x357/0xe30 kernel/time/hrtimer.c:1319 [] hrtimer_interrupt+0x1b1/0x430 kernel/time/hrtimer.c:1353 [] local_apic_timer_interrupt+0x74/0xa0 arch/x86/kernel/apic/apic.c:937 [] smp_apic_timer_interrupt+0x7c/0xb0 arch/x86/kernel/apic/apic.c:961 [] apic_timer_interrupt+0x9d/0xb0 arch/x86/entry/entry_64.S:648 [] vprintk_emit+0x448/0x790 kernel/printk/printk.c:1908 [] vprintk+0x28/0x30 kernel/printk/printk.c:1918 [] vprintk_default+0x1d/0x30 kernel/printk/printk.c:1919 [] vprintk_func kernel/printk/internal.h:36 [inline] [] printk+0xaf/0xd7 kernel/printk/printk.c:1980 [] lowmem_scan.cold.1+0x1f9/0x35b drivers/staging/android/lowmemorykiller.c:177 [] do_shrink_slab mm/vmscan.c:398 [inline] [] shrink_slab.part.8+0x3c6/0xa00 mm/vmscan.c:501 [] shrink_slab mm/vmscan.c:465 [inline] [] shrink_node+0x1ed/0x740 mm/vmscan.c:2602 [] shrink_zones mm/vmscan.c:2749 [inline] [] do_try_to_free_pages mm/vmscan.c:2791 [inline] [] try_to_free_pages+0x377/0xb80 mm/vmscan.c:3002 [] __perform_reclaim mm/page_alloc.c:3324 [inline] [] __alloc_pages_direct_reclaim mm/page_alloc.c:3345 [inline] [] __alloc_pages_slowpath mm/page_alloc.c:3697 [inline] [] __alloc_pages_nodemask+0x981/0x1bd0 mm/page_alloc.c:3862 [] __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] [] __vmalloc_area_node mm/vmalloc.c:1644 [inline] [] __vmalloc_node_range+0x25b/0x600 mm/vmalloc.c:1702 [] __vmalloc_node mm/vmalloc.c:1745 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1759 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1774 [] xt_alloc_table_info+0xc9/0x100 net/netfilter/x_tables.c:997 [] compat_do_replace.isra.6+0x112/0x4f0 net/ipv4/netfilter/arp_tables.c:1276 [] compat_do_arpt_set_ctl+0x102/0x140 net/ipv4/netfilter/arp_tables.c:1314 [] compat_nf_sockopt net/netfilter/nf_sockopt.c:143 [inline] [] compat_nf_setsockopt+0x8b/0x130 net/netfilter/nf_sockopt.c:155 [] compat_ip_setsockopt+0x97/0xd0 net/ipv4/ip_sockglue.c:1275 [] inet_csk_compat_setsockopt+0x97/0x120 net/ipv4/inet_connection_sock.c:917 [] compat_tcp_setsockopt+0x3d/0x70 net/ipv4/tcp.c:2769 [] compat_sock_common_setsockopt+0xb4/0x150 net/core/sock.c:2717 [] C_SYSC_setsockopt net/compat.c:399 [inline] [] compat_SyS_setsockopt+0x169/0x550 net/compat.c:382 [] do_syscall_32_irqs_on arch/x86/entry/common.c:328 [inline] [] do_fast_syscall_32+0x2f1/0xa10 arch/x86/entry/common.c:390 [] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137 syz-executor.1 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 28936 Comm: syz-executor.1 Not tainted 4.9.141+ #23 ffff8801a1ca7590 ffffffff81b42e79 ffff8801a1ca7950 ffffffff833e92b0 00000000000003e8 ffff8801a1ca7968 0000000000000000 ffff8801a1ca7610 ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] dump_header.isra.4+0x142/0x747 mm/oom_kill.c:417 [] oom_kill_process.cold.10+0xd/0xa6e mm/oom_kill.c:852 [] out_of_memory+0x292/0xe90 mm/oom_kill.c:1061 [] __alloc_pages_may_oom mm/page_alloc.c:3135 [inline] [] __alloc_pages_slowpath mm/page_alloc.c:3751 [inline] [] __alloc_pages_nodemask+0x18ee/0x1bd0 mm/page_alloc.c:3862 [] __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] [] __vmalloc_area_node mm/vmalloc.c:1644 [inline] [] __vmalloc_node_range+0x25b/0x600 mm/vmalloc.c:1702 [] __vmalloc_node mm/vmalloc.c:1745 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1759 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1774 [] xt_alloc_table_info+0xc9/0x100 net/netfilter/x_tables.c:997 [] compat_do_replace.isra.6+0x112/0x4f0 net/ipv4/netfilter/arp_tables.c:1276 [] compat_do_arpt_set_ctl+0x102/0x140 net/ipv4/netfilter/arp_tables.c:1314 [] compat_nf_sockopt net/netfilter/nf_sockopt.c:143 [inline] [] compat_nf_setsockopt+0x8b/0x130 net/netfilter/nf_sockopt.c:155 [] compat_ip_setsockopt+0x97/0xd0 net/ipv4/ip_sockglue.c:1275 [] inet_csk_compat_setsockopt+0x97/0x120 net/ipv4/inet_connection_sock.c:917 [] compat_tcp_setsockopt+0x3d/0x70 net/ipv4/tcp.c:2769 [] compat_sock_common_setsockopt+0xb4/0x150 net/core/sock.c:2717 [] C_SYSC_setsockopt net/compat.c:399 [inline] [] compat_SyS_setsockopt+0x169/0x550 net/compat.c:382 [] do_syscall_32_irqs_on arch/x86/entry/common.c:328 [inline] [] do_fast_syscall_32+0x2f1/0xa10 arch/x86/entry/common.c:390 [] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137 Mem-Info: active_anon:45432 inactive_anon:78 isolated_anon:0 active_file:35 inactive_file:48 isolated_file:7 unevictable:1 dirty:0 writeback:0 unstable:0 slab_reclaimable:9185 slab_unreclaimable:66048 mapped:52258 shmem:79 pagetables:2357 bounce:0 free:6025 free_pcp:0 free_cma:0 Node 0 active_anon:181728kB inactive_anon:312kB active_file:140kB inactive_file:192kB unevictable:4kB isolated(anon):0kB isolated(file):28kB mapped:209032kB dirty:0kB writeback:0kB shmem:316kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18520kB min:4696kB low:7712kB high:10728kB active_anon:84kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:4kB slab_unreclaimable:3320kB kernel_stack:96kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:5580kB min:5580kB low:9168kB high:12756kB active_anon:181644kB inactive_anon:308kB active_file:140kB inactive_file:192kB unevictable:4kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:36736kB slab_unreclaimable:260872kB kernel_stack:6240kB pagetables:9428kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 14*4kB (MEH) 18*8kB (ME) 15*16kB (MEH) 10*32kB (ME) 10*64kB (ME) 7*128kB (ME) 7*256kB (MEH) 4*512kB (ME) 4*1024kB (ME) 4*2048kB (ME) 0*4096kB = 18424kB 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 313617 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5387 190 17 3 0 -1000 udevd [ 1775] 0 1775 2492 573 9 3 0 0 dhclient [ 1916] 0 1916 14263 155 24 3 0 0 rsyslogd [ 1967] 0 1967 4724 51 15 3 0 0 cron [ 1985] 0 1985 3734 44 10 3 0 0 mcstransd [ 1991] 0 1991 12926 1230 26 3 0 0 restorecond [ 2017] 0 2017 12489 152 27 3 0 -1000 sshd [ 2047] 0 2047 3648 40 12 3 0 0 getty [ 2075] 0 2075 17820 196 37 3 0 0 sshd [ 2077] 0 2077 73396 40649 106 5 0 0 syz-fuzzer [ 2123] 0 2123 18014 14 22 2 0 0 syz-executor.0 [ 2124] 0 2124 18014 13 22 2 0 0 syz-executor.5 [ 2125] 0 2125 18014 14 22 2 0 0 syz-executor.1 [ 2126] 0 2126 18014 14 22 2 0 0 syz-executor.4 [ 2127] 0 2127 18014 14 22 2 0 0 syz-executor.2 [ 2128] 0 2128 18014 15 22 2 0 0 syz-executor.3 [ 2129] 0 2129 18014 8625 23 2 0 0 syz-executor.1 [ 2130] 0 2130 18014 8731 23 2 0 0 syz-executor.5 [ 2131] 0 2131 18014 8641 23 2 0 0 syz-executor.0 [ 2132] 0 2132 18014 8730 23 2 0 0 syz-executor.4 [ 2133] 0 2133 18014 8609 23 2 0 0 syz-executor.2 [ 2134] 0 2134 18014 8731 23 2 0 0 syz-executor.3 [ 2295] 0 2295 5518 312 16 3 0 -1000 udevd [ 2297] 0 2297 5518 313 16 3 0 -1000 udevd [ 2491] 0 2491 18047 8707 24 2 0 1000 syz-executor.0 [ 2664] 0 2664 18047 8690 24 2 0 1000 syz-executor.4 [ 2666] 0 2666 18047 8699 24 2 0 1000 syz-executor.4 [ 2788] 0 2788 18047 8697 23 2 0 1000 syz-executor.0 [ 2810] 0 2810 18047 8706 24 2 0 1000 syz-executor.0 [ 3000] 0 3000 18047 8700 23 2 0 1000 syz-executor.3 [ 3188] 0 3188 18047 8700 23 2 0 1000 syz-executor.3 [ 3483] 0 3483 18080 8743 25 2 0 4 syz-executor.2 [ 4043] 0 4043 18047 8708 23 2 0 1000 syz-executor.3 [ 4605] 0 4605 18047 8707 23 2 0 1000 syz-executor.2 [ 4683] 0 4683 18047 8700 23 2 0 1000 syz-executor.3 [ 5602] 0 5602 18047 8699 23 2 0 1000 syz-executor.4 [ 5677] 0 5677 18080 8708 23 2 0 1000 syz-executor.4 [ 5689] 0 5689 18047 8707 23 2 0 1000 syz-executor.4 [ 5791] 0 5791 18047 8708 23 2 0 1000 syz-executor.5 [ 5792] 0 5792 18047 8708 23 2 0 1000 syz-executor.5 [ 6096] 0 6096 18047 8708 23 2 0 1000 syz-executor.5 [ 6178] 0 6178 18047 8708 23 2 0 1000 syz-executor.5 [ 6186] 0 6186 18047 8708 23 2 0 1000 syz-executor.5 [ 6198] 0 6198 18047 8708 23 2 0 1000 syz-executor.5 [ 6199] 0 6199 18047 8700 23 2 0 1000 syz-executor.3 [ 6224] 0 6224 18047 8700 23 2 0 1000 syz-executor.3 [ 6353] 0 6353 18047 8699 23 2 0 1000 syz-executor.1 [ 6665] 0 6665 18047 8707 23 2 0 1000 syz-executor.4 [ 7064] 0 7064 18047 8699 23 2 0 1000 syz-executor.0 [ 7502] 0 7502 18047 8707 23 2 0 1000 syz-executor.1 [ 7574] 0 7574 18047 8707 23 2 0 1000 syz-executor.1 [ 7647] 0 7647 18047 8699 23 2 0 1000 syz-executor.1 [ 7824] 0 7824 18047 8699 23 2 0 1000 syz-executor.4 [ 8044] 0 8044 18080 8708 23 2 0 1000 syz-executor.4 [ 8057] 0 8057 18047 8707 23 2 0 1000 syz-executor.4 [11354] 0 11354 18080 8708 23 2 0 1000 syz-executor.1 [11356] 0 11356 18047 8707 23 2 0 1000 syz-executor.1 [11359] 0 11359 18080 8708 23 2 0 1000 syz-executor.1 [11413] 0 11413 18080 8708 23 2 0 1000 syz-executor.1 [11463] 0 11463 18047 8707 23 2 0 1000 syz-executor.1 [12498] 0 12498 18047 8699 23 2 0 1000 syz-executor.1 [12804] 0 12804 18047 8708 24 2 0 1000 syz-executor.1 [12830] 0 12830 18047 8708 24 2 0 1000 syz-executor.1 [12920] 0 12920 18047 8700 23 2 0 1000 syz-executor.5 [12977] 0 12977 18047 8700 23 2 0 1000 syz-executor.5 [13017] 0 13017 18047 8700 23 2 0 1000 syz-executor.5 [14872] 0 14872 18047 8702 24 2 0 1000 syz-executor.0 [15753] 0 15753 18047 8701 23 2 0 1000 syz-executor.2 [16069] 0 16069 18047 8701 23 2 0 1000 syz-executor.2 [17072] 0 17072 18047 8709 23 2 0 1000 syz-executor.2 [17631] 0 17631 18047 8701 23 2 0 1000 syz-executor.2 [24927] 0 24927 18047 8709 23 2 0 1000 syz-executor.0 [25250] 0 25250 18047 8708 24 2 0 1000 syz-executor.4 [25254] 0 25254 18077 8708 23 2 0 1000 syz-executor.4 [25273] 0 25273 18047 8708 24 2 0 1000 syz-executor.4 [25891] 0 25891 18047 8700 23 2 0 1000 syz-executor.5 [27978] 0 27978 18047 8709 23 2 0 1000 syz-executor.2 [28319] 0 28319 5378 184 16 3 0 -1000 udevd [28922] 0 28922 18047 8701 23 2 0 1000 syz-executor.0 [28930] 0 28929 18146 4 25 2 0 1000 syz-executor.1 Out of memory: Kill process 12804 (syz-executor.1) score 1005 or sacrifice child Killed process 12804 (syz-executor.1) total-vm:72188kB, anon-rss:144kB, file-rss:34688kB, shmem-rss:0kB syz-executor.1 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 28936 Comm: syz-executor.1 Not tainted 4.9.141+ #23 ffff8801a1ca7590 ffffffff81b42e79 ffff8801a1ca7950 ffffffff833e92b0 00000000000003e8 ffff8801a1ca7968 0000000000000000 ffff8801a1ca7610 ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] dump_header.isra.4+0x142/0x747 mm/oom_kill.c:417 [] oom_kill_process.cold.10+0xd/0xa6e mm/oom_kill.c:852 [] out_of_memory+0x292/0xe90 mm/oom_kill.c:1061 [] __alloc_pages_may_oom mm/page_alloc.c:3135 [inline] [] __alloc_pages_slowpath mm/page_alloc.c:3751 [inline] [] __alloc_pages_nodemask+0x18ee/0x1bd0 mm/page_alloc.c:3862 [] __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] [] __vmalloc_area_node mm/vmalloc.c:1644 [inline] [] __vmalloc_node_range+0x25b/0x600 mm/vmalloc.c:1702 [] __vmalloc_node mm/vmalloc.c:1745 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1759 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1774 [] xt_alloc_table_info+0xc9/0x100 net/netfilter/x_tables.c:997 [] compat_do_replace.isra.6+0x112/0x4f0 net/ipv4/netfilter/arp_tables.c:1276 [] compat_do_arpt_set_ctl+0x102/0x140 net/ipv4/netfilter/arp_tables.c:1314 [] compat_nf_sockopt net/netfilter/nf_sockopt.c:143 [inline] [] compat_nf_setsockopt+0x8b/0x130 net/netfilter/nf_sockopt.c:155 [] compat_ip_setsockopt+0x97/0xd0 net/ipv4/ip_sockglue.c:1275 [] inet_csk_compat_setsockopt+0x97/0x120 net/ipv4/inet_connection_sock.c:917 [] compat_tcp_setsockopt+0x3d/0x70 net/ipv4/tcp.c:2769 [] compat_sock_common_setsockopt+0xb4/0x150 net/core/sock.c:2717 [] C_SYSC_setsockopt net/compat.c:399 [inline] [] compat_SyS_setsockopt+0x169/0x550 net/compat.c:382 [] do_syscall_32_irqs_on arch/x86/entry/common.c:328 [inline] [] do_fast_syscall_32+0x2f1/0xa10 arch/x86/entry/common.c:390 [] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137 Mem-Info: active_anon:45407 inactive_anon:78 isolated_anon:0 active_file:35 inactive_file:48 isolated_file:7 unevictable:1 dirty:0 writeback:0 unstable:0 slab_reclaimable:9185 slab_unreclaimable:66048 mapped:52258 shmem:79 pagetables:2357 bounce:0 free:6022 free_pcp:0 free_cma:0 Node 0 active_anon:181628kB inactive_anon:312kB active_file:140kB inactive_file:192kB unevictable:4kB isolated(anon):0kB isolated(file):28kB mapped:209032kB dirty:0kB writeback:0kB shmem:316kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18520kB min:4696kB low:7712kB high:10728kB active_anon:84kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:4kB slab_unreclaimable:3320kB kernel_stack:96kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:5568kB min:5580kB low:9168kB high:12756kB active_anon:181544kB inactive_anon:308kB active_file:140kB inactive_file:192kB unevictable:4kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:36736kB slab_unreclaimable:260872kB kernel_stack:6208kB pagetables:9428kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 14*4kB (MEH) 18*8kB (ME) 15*16kB (MEH) 10*32kB (ME) 10*64kB (ME) 7*128kB (ME) 7*256kB (MEH) 4*512kB (ME) 4*1024kB (ME) 4*2048kB (ME) 0*4096kB = 18424kB 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 313617 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5387 190 17 3 0 -1000 udevd [ 1775] 0 1775 2492 573 9 3 0 0 dhclient [ 1916] 0 1916 14263 155 24 3 0 0 rsyslogd [ 1967] 0 1967 4724 51 15 3 0 0 cron [ 1985] 0 1985 3734 44 10 3 0 0 mcstransd [ 1991] 0 1991 12926 1230 26 3 0 0 restorecond [ 2017] 0 2017 12489 152 27 3 0 -1000 sshd [ 2047] 0 2047 3648 40 12 3 0 0 getty [ 2075] 0 2075 17820 196 37 3 0 0 sshd [ 2077] 0 2077 73396 40649 106 5 0 0 syz-fuzzer [ 2123] 0 2123 18014 14 22 2 0 0 syz-executor.0 [ 2124] 0 2124 18014 13 22 2 0 0 syz-executor.5 [ 2125] 0 2125 18014 14 22 2 0 0 syz-executor.1 [ 2126] 0 2126 18014 14 22 2 0 0 syz-executor.4 [ 2127] 0 2127 18014 14 22 2 0 0 syz-executor.2 [ 2128] 0 2128 18014 15 22 2 0 0 syz-executor.3 [ 2129] 0 2129 18014 8625 23 2 0 0 syz-executor.1 [ 2130] 0 2130 18014 8731 23 2 0 0 syz-executor.5 [ 2131] 0 2131 18014 8641 23 2 0 0 syz-executor.0 [ 2132] 0 2132 18014 8730 23 2 0 0 syz-executor.4 [ 2133] 0 2133 18014 8609 23 2 0 0 syz-executor.2 [ 2134] 0 2134 18014 8731 23 2 0 0 syz-executor.3 [ 2295] 0 2295 5518 312 16 3 0 -1000 udevd [ 2297] 0 2297 5518 313 16 3 0 -1000 udevd [ 2491] 0 2491 18047 8707 24 2 0 1000 syz-executor.0 [ 2664] 0 2664 18047 8690 24 2 0 1000 syz-executor.4 [ 2666] 0 2666 18047 8699 24 2 0 1000 syz-executor.4 [ 2788] 0 2788 18047 8697 23 2 0 1000 syz-executor.0 [ 2810] 0 2810 18047 8706 24 2 0 1000 syz-executor.0 [ 3000] 0 3000 18047 8700 23 2 0 1000 syz-executor.3 [ 3188] 0 3188 18047 8700 23 2 0 1000 syz-executor.3 [ 3483] 0 3483 18080 8743 25 2 0 4 syz-executor.2 [ 4043] 0 4043 18047 8708 23 2 0 1000 syz-executor.3 [ 4605] 0 4605 18047 8707 23 2 0 1000 syz-executor.2 [ 4683] 0 4683 18047 8700 23 2 0 1000 syz-executor.3 [ 5602] 0 5602 18047 8699 23 2 0 1000 syz-executor.4 [ 5677] 0 5677 18080 8708 23 2 0 1000 syz-executor.4 [ 5689] 0 5689 18047 8707 23 2 0 1000 syz-executor.4 [ 5791] 0 5791 18047 8708 23 2 0 1000 syz-executor.5 [ 5792] 0 5792 18047 8708 23 2 0 1000 syz-executor.5 [ 6096] 0 6096 18047 8708 23 2 0 1000 syz-executor.5 [ 6178] 0 6178 18047 8708 23 2 0 1000 syz-executor.5 [ 6186] 0 6186 18047 8708 23 2 0 1000 syz-executor.5 [ 6198] 0 6198 18047 8708 23 2 0 1000 syz-executor.5 [ 6199] 0 6199 18047 8700 23 2 0 1000 syz-executor.3 [ 6224] 0 6224 18047 8700 23 2 0 1000 syz-executor.3 [ 6353] 0 6353 18047 8699 23 2 0 1000 syz-executor.1 [ 6665] 0 6665 18047 8707 23 2 0 1000 syz-executor.4 [ 7064] 0 7064 18047 8699 23 2 0 1000 syz-executor.0 [ 7502] 0 7502 18047 8707 23 2 0 1000 syz-executor.1 [ 7574] 0 7574 18047 8707 23 2 0 1000 syz-executor.1 [ 7647] 0 7647 18047 8699 23 2 0 1000 syz-executor.1 [ 7824] 0 7824 18047 8699 23 2 0 1000 syz-executor.4 [ 8044] 0 8044 18080 8708 23 2 0 1000 syz-executor.4 [ 8057] 0 8057 18047 8707 23 2 0 1000 syz-executor.4 [11354] 0 11354 18080 8708 23 2 0 1000 syz-executor.1 [11356] 0 11356 18047 8707 23 2 0 1000 syz-executor.1 [11359] 0 11359 18080 8708 23 2 0 1000 syz-executor.1 [11413] 0 11413 18080 8708 23 2 0 1000 syz-executor.1 [11463] 0 11463 18047 8707 23 2 0 1000 syz-executor.1 [12498] 0 12498 18047 8699 23 2 0 1000 syz-executor.1 [12830] 0 12830 18047 8708 24 2 0 1000 syz-executor.1 [12920] 0 12920 18047 8700 23 2 0 1000 syz-executor.5 [12977] 0 12977 18047 8700 23 2 0 1000 syz-executor.5 [13017] 0 13017 18047 8700 23 2 0 1000 syz-executor.5 [14872] 0 14872 18047 8702 24 2 0 1000 syz-executor.0 [15753] 0 15753 18047 8701 23 2 0 1000 syz-executor.2 [16069] 0 16069 18047 8701 23 2 0 1000 syz-executor.2 [17072] 0 17072 18047 8709 23 2 0 1000 syz-executor.2 [17631] 0 17631 18047 8701 23 2 0 1000 syz-executor.2 [24927] 0 24927 18047 8709 23 2 0 1000 syz-executor.0 [25250] 0 25250 18047 8708 24 2 0 1000 syz-executor.4 [25254] 0 25254 18077 8708 23 2 0 1000 syz-executor.4 [25273] 0 25273 18047 8708 24 2 0 1000 syz-executor.4 [25891] 0 25891 18047 8700 23 2 0 1000 syz-executor.5 [27978] 0 27978 18047 8709 23 2 0 1000 syz-executor.2 [28319] 0 28319 5378 184 16 3 0 -1000 udevd [28922] 0 28922 18047 8701 23 2 0 1000 syz-executor.0 [28930] 0 28929 18146 4 25 2 0 1000 syz-executor.1 Out of memory: Kill process 12830 (syz-executor.1) score 1005 or sacrifice child Killed process 12830 (syz-executor.1) total-vm:72188kB, anon-rss:144kB, file-rss:34688kB, shmem-rss:0kB oom_reaper: reaped process 12830 (syz-executor.1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor.1 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 28936 Comm: syz-executor.1 Not tainted 4.9.141+ #23 ffff8801a1ca7590 ffffffff81b42e79 ffff8801a1ca7950 ffffffff833e92b0 00000000000003e8 ffff8801a1ca7968 0000000000000000 ffff8801a1ca7610 ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] dump_header.isra.4+0x142/0x747 mm/oom_kill.c:417 [] oom_kill_process.cold.10+0xd/0xa6e mm/oom_kill.c:852 [] out_of_memory+0x292/0xe90 mm/oom_kill.c:1061 [] __alloc_pages_may_oom mm/page_alloc.c:3135 [inline] [] __alloc_pages_slowpath mm/page_alloc.c:3751 [inline] [] __alloc_pages_nodemask+0x18ee/0x1bd0 mm/page_alloc.c:3862 [] __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] [] __vmalloc_area_node mm/vmalloc.c:1644 [inline] [] __vmalloc_node_range+0x25b/0x600 mm/vmalloc.c:1702 [] __vmalloc_node mm/vmalloc.c:1745 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1759 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1774 [] xt_alloc_table_info+0xc9/0x100 net/netfilter/x_tables.c:997 [] compat_do_replace.isra.6+0x112/0x4f0 net/ipv4/netfilter/arp_tables.c:1276 [] compat_do_arpt_set_ctl+0x102/0x140 net/ipv4/netfilter/arp_tables.c:1314 [] compat_nf_sockopt net/netfilter/nf_sockopt.c:143 [inline] [] compat_nf_setsockopt+0x8b/0x130 net/netfilter/nf_sockopt.c:155 [] compat_ip_setsockopt+0x97/0xd0 net/ipv4/ip_sockglue.c:1275 [] inet_csk_compat_setsockopt+0x97/0x120 net/ipv4/inet_connection_sock.c:917 [] compat_tcp_setsockopt+0x3d/0x70 net/ipv4/tcp.c:2769 [] compat_sock_common_setsockopt+0xb4/0x150 net/core/sock.c:2717 [] C_SYSC_setsockopt net/compat.c:399 [inline] [] compat_SyS_setsockopt+0x169/0x550 net/compat.c:382 [] do_syscall_32_irqs_on arch/x86/entry/common.c:328 [inline] [] do_fast_syscall_32+0x2f1/0xa10 arch/x86/entry/common.c:390 [] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137 Mem-Info: active_anon:45382 inactive_anon:78 isolated_anon:0 active_file:35 inactive_file:48 isolated_file:7 unevictable:1 dirty:0 writeback:0 unstable:0 slab_reclaimable:9185 slab_unreclaimable:66048 mapped:52258 shmem:79 pagetables:2357 bounce:0 free:6017 free_pcp:0 free_cma:0 Node 0 active_anon:181528kB inactive_anon:312kB active_file:140kB inactive_file:192kB unevictable:4kB isolated(anon):0kB isolated(file):28kB mapped:209032kB dirty:0kB writeback:0kB shmem:316kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18520kB min:4696kB low:7712kB high:10728kB active_anon:84kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:4kB slab_unreclaimable:3320kB kernel_stack:96kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:5548kB min:5580kB low:9168kB high:12756kB active_anon:181444kB inactive_anon:308kB active_file:140kB inactive_file:192kB unevictable:4kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:36736kB slab_unreclaimable:260872kB kernel_stack:6176kB pagetables:9428kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 14*4kB (MEH) 18*8kB (ME) 15*16kB (MEH) 10*32kB (ME) 10*64kB (ME) 7*128kB (ME) 7*256kB (MEH) 4*512kB (ME) 4*1024kB (ME) 4*2048kB (ME) 0*4096kB = 18424kB 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 313617 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5387 190 17 3 0 -1000 udevd [ 1775] 0 1775 2492 573 9 3 0 0 dhclient [ 1916] 0 1916 14263 155 24 3 0 0 rsyslogd [ 1967] 0 1967 4724 51 15 3 0 0 cron [ 1985] 0 1985 3734 44 10 3 0 0 mcstransd [ 1991] 0 1991 12926 1230 26 3 0 0 restorecond [ 2017] 0 2017 12489 152 27 3 0 -1000 sshd [ 2047] 0 2047 3648 40 12 3 0 0 getty [ 2075] 0 2075 17820 196 37 3 0 0 sshd [ 2077] 0 2077 73396 40649 106 5 0 0 syz-fuzzer [ 2123] 0 2123 18014 14 22 2 0 0 syz-executor.0 [ 2124] 0 2124 18014 13 22 2 0 0 syz-executor.5 [ 2125] 0 2125 18014 14 22 2 0 0 syz-executor.1 [ 2126] 0 2126 18014 14 22 2 0 0 syz-executor.4 [ 2127] 0 2127 18014 14 22 2 0 0 syz-executor.2 [ 2128] 0 2128 18014 15 22 2 0 0 syz-executor.3 [ 2129] 0 2129 18014 8625 23 2 0 0 syz-executor.1 [ 2130] 0 2130 18014 8731 23 2 0 0 syz-executor.5 [ 2131] 0 2131 18014 8641 23 2 0 0 syz-executor.0 [ 2132] 0 2132 18014 8730 23 2 0 0 syz-executor.4 [ 2133] 0 2133 18014 8609 23 2 0 0 syz-executor.2 [ 2134] 0 2134 18014 8731 23 2 0 0 syz-executor.3 [ 2295] 0 2295 5518 312 16 3 0 -1000 udevd [ 2297] 0 2297 5518 313 16 3 0 -1000 udevd [ 2491] 0 2491 18047 8707 24 2 0 1000 syz-executor.0 [ 2664] 0 2664 18047 8690 24 2 0 1000 syz-executor.4 [ 2666] 0 2666 18047 8699 24 2 0 1000 syz-executor.4 [ 2788] 0 2788 18047 8697 23 2 0 1000 syz-executor.0 [ 2810] 0 2810 18047 8706 24 2 0 1000 syz-executor.0 [ 3000] 0 3000 18047 8700 23 2 0 1000 syz-executor.3 [ 3188] 0 3188 18047 8700 23 2 0 1000 syz-executor.3 [ 3483] 0 3483 18080 8743 25 2 0 4 syz-executor.2 [ 4043] 0 4043 18047 8708 23 2 0 1000 syz-executor.3 [ 4605] 0 4605 18047 8707 23 2 0 1000 syz-executor.2 [ 4683] 0 4683 18047 8700 23 2 0 1000 syz-executor.3 [ 5602] 0 5602 18047 8699 23 2 0 1000 syz-executor.4 [ 5677] 0 5677 18080 8708 23 2 0 1000 syz-executor.4 [ 5689] 0 5689 18047 8707 23 2 0 1000 syz-executor.4 [ 5791] 0 5791 18047 8708 23 2 0 1000 syz-executor.5 [ 5792] 0 5792 18047 8708 23 2 0 1000 syz-executor.5 [ 6096] 0 6096 18047 8708 23 2 0 1000 syz-executor.5 [ 6178] 0 6178 18047 8708 23 2 0 1000 syz-executor.5 [ 6186] 0 6186 18047 8708 23 2 0 1000 syz-executor.5 [ 6198] 0 6198 18047 8708 23 2 0 1000 syz-executor.5 [ 6199] 0 6199 18047 8700 23 2 0 1000 syz-executor.3 [ 6224] 0 6224 18047 8700 23 2 0 1000 syz-executor.3 [ 6353] 0 6353 18047 8699 23 2 0 1000 syz-executor.1 [ 6665] 0 6665 18047 8707 23 2 0 1000 syz-executor.4 [ 7064] 0 7064 18047 8699 23 2 0 1000 syz-executor.0 [ 7502] 0 7502 18047 8707 23 2 0 1000 syz-executor.1 [ 7574] 0 7574 18047 8707 23 2 0 1000 syz-executor.1 [ 7647] 0 7647 18047 8699 23 2 0 1000 syz-executor.1 [ 7824] 0 7824 18047 8699 23 2 0 1000 syz-executor.4 [ 8044] 0 8044 18080 8708 23 2 0 1000 syz-executor.4 [ 8057] 0 8057 18047 8707 23 2 0 1000 syz-executor.4 [11354] 0 11354 18080 8708 23 2 0 1000 syz-executor.1 [11356] 0 11356 18047 8707 23 2 0 1000 syz-executor.1 [11359] 0 11359 18080 8708 23 2 0 1000 syz-executor.1 [11413] 0 11413 18080 8708 23 2 0 1000 syz-executor.1 [11463] 0 11463 18047 8707 23 2 0 1000 syz-executor.1 [12498] 0 12498 18047 8699 23 2 0 1000 syz-executor.1 [12920] 0 12920 18047 8700 23 2 0 1000 syz-executor.5 [12977] 0 12977 18047 8700 23 2 0 1000 syz-executor.5 [13017] 0 13017 18047 8700 23 2 0 1000 syz-executor.5 [14872] 0 14872 18047 8702 24 2 0 1000 syz-executor.0 [15753] 0 15753 18047 8701 23 2 0 1000 syz-executor.2 [16069] 0 16069 18047 8701 23 2 0 1000 syz-executor.2 [17072] 0 17072 18047 8709 23 2 0 1000 syz-executor.2 [17631] 0 17631 18047 8701 23 2 0 1000 syz-executor.2 [24927] 0 24927 18047 8709 23 2 0 1000 syz-executor.0 [25250] 0 25250 18047 8708 24 2 0 1000 syz-executor.4 [25254] 0 25254 18077 8708 23 2 0 1000 syz-executor.4 [25273] 0 25273 18047 8708 24 2 0 1000 syz-executor.4 [25891] 0 25891 18047 8700 23 2 0 1000 syz-executor.5 [27978] 0 27978 18047 8709 23 2 0 1000 syz-executor.2 [28319] 0 28319 5378 184 16 3 0 -1000 udevd [28922] 0 28922 18047 8701 23 2 0 1000 syz-executor.0 [28930] 0 28929 18146 4 25 2 0 1000 syz-executor.1 Out of memory: Kill process 17072 (syz-executor.2) score 1005 or sacrifice child Killed process 17072 (syz-executor.2) total-vm:72188kB, anon-rss:148kB, file-rss:34688kB, shmem-rss:0kB oom_reaper: reaped process 17072 (syz-executor.2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor.1 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 28936 Comm: syz-executor.1 Not tainted 4.9.141+ #23 ffff8801a1ca7590 ffffffff81b42e79 ffff8801a1ca7950 ffffffff833e92b0 00000000000003e8 ffff8801a1ca7968 0000000000000000 ffff8801a1ca7610 ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] dump_header.isra.4+0x142/0x747 mm/oom_kill.c:417 [] oom_kill_process.cold.10+0xd/0xa6e mm/oom_kill.c:852 [] out_of_memory+0x292/0xe90 mm/oom_kill.c:1061 [] __alloc_pages_may_oom mm/page_alloc.c:3135 [inline] [] __alloc_pages_slowpath mm/page_alloc.c:3751 [inline] [] __alloc_pages_nodemask+0x18ee/0x1bd0 mm/page_alloc.c:3862 [] __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] [] __vmalloc_area_node mm/vmalloc.c:1644 [inline] [] __vmalloc_node_range+0x25b/0x600 mm/vmalloc.c:1702 [] __vmalloc_node mm/vmalloc.c:1745 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1759 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1774 [] xt_alloc_table_info+0xc9/0x100 net/netfilter/x_tables.c:997 [] compat_do_replace.isra.6+0x112/0x4f0 net/ipv4/netfilter/arp_tables.c:1276 [] compat_do_arpt_set_ctl+0x102/0x140 net/ipv4/netfilter/arp_tables.c:1314 [] compat_nf_sockopt net/netfilter/nf_sockopt.c:143 [inline] [] compat_nf_setsockopt+0x8b/0x130 net/netfilter/nf_sockopt.c:155 [] compat_ip_setsockopt+0x97/0xd0 net/ipv4/ip_sockglue.c:1275 [] inet_csk_compat_setsockopt+0x97/0x120 net/ipv4/inet_connection_sock.c:917 [] compat_tcp_setsockopt+0x3d/0x70 net/ipv4/tcp.c:2769 [] compat_sock_common_setsockopt+0xb4/0x150 net/core/sock.c:2717 [] C_SYSC_setsockopt net/compat.c:399 [inline] [] compat_SyS_setsockopt+0x169/0x550 net/compat.c:382 [] do_syscall_32_irqs_on arch/x86/entry/common.c:328 [inline] [] do_fast_syscall_32+0x2f1/0xa10 arch/x86/entry/common.c:390 [] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137 Mem-Info: active_anon:45332 inactive_anon:78 isolated_anon:0 active_file:35 inactive_file:48 isolated_file:7 unevictable:1 dirty:0 writeback:0 unstable:0 slab_reclaimable:9185 slab_unreclaimable:66048 mapped:52258 shmem:79 pagetables:2357 bounce:0 free:6025 free_pcp:0 free_cma:0 Node 0 active_anon:181328kB inactive_anon:312kB active_file:140kB inactive_file:192kB unevictable:4kB isolated(anon):0kB isolated(file):28kB mapped:209032kB dirty:0kB writeback:0kB shmem:316kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18520kB min:4696kB low:7712kB high:10728kB active_anon:84kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:4kB slab_unreclaimable:3320kB kernel_stack:96kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:5580kB min:5580kB low:9168kB high:12756kB active_anon:181244kB inactive_anon:308kB active_file:140kB inactive_file:192kB unevictable:4kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:36736kB slab_unreclaimable:260872kB kernel_stack:6144kB pagetables:9428kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 14*4kB (MEH) 18*8kB (ME) 15*16kB (MEH) 10*32kB (ME) 10*64kB (ME) 7*128kB (ME) 7*256kB (MEH) 4*512kB (ME) 4*1024kB (ME) 4*2048kB (ME) 0*4096kB = 18424kB 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 313617 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5387 190 17 3 0 -1000 udevd [ 1775] 0 1775 2492 573 9 3 0 0 dhclient [ 1916] 0 1916 14263 155 24 3 0 0 rsyslogd [ 1967] 0 1967 4724 51 15 3 0 0 cron [ 1985] 0 1985 3734 44 10 3 0 0 mcstransd [ 1991] 0 1991 12926 1230 26 3 0 0 restorecond [ 2017] 0 2017 12489 152 27 3 0 -1000 sshd [ 2047] 0 2047 3648 40 12 3 0 0 getty [ 2075] 0 2075 17820 196 37 3 0 0 sshd [ 2077] 0 2077 73396 40649 106 5 0 0 syz-fuzzer [ 2123] 0 2123 18014 14 22 2 0 0 syz-executor.0 [ 2124] 0 2124 18014 13 22 2 0 0 syz-executor.5 [ 2125] 0 2125 18014 14 22 2 0 0 syz-executor.1 [ 2126] 0 2126 18014 14 22 2 0 0 syz-executor.4 [ 2127] 0 2127 18014 14 22 2 0 0 syz-executor.2 [ 2128] 0 2128 18014 15 22 2 0 0 syz-executor.3 [ 2129] 0 2129 18014 8625 23 2 0 0 syz-executor.1 [ 2130] 0 2130 18014 8731 23 2 0 0 syz-executor.5 [ 2131] 0 2131 18014 8641 23 2 0 0 syz-executor.0 [ 2132] 0 2132 18014 8730 23 2 0 0 syz-executor.4 [ 2133] 0 2133 18014 8609 23 2 0 0 syz-executor.2 [ 2134] 0 2134 18014 8731 23 2 0 0 syz-executor.3 [ 2295] 0 2295 5518 312 16 3 0 -1000 udevd [ 2297] 0 2297 5518 313 16 3 0 -1000 udevd [ 2491] 0 2491 18047 8707 24 2 0 1000 syz-executor.0 [ 2664] 0 2664 18047 8690 24 2 0 1000 syz-executor.4 [ 2666] 0 2666 18047 8699 24 2 0 1000 syz-executor.4 [ 2788] 0 2788 18047 8697 23 2 0 1000 syz-executor.0 [ 2810] 0 2810 18047 8706 24 2 0 1000 syz-executor.0 [ 3000] 0 3000 18047 8700 23 2 0 1000 syz-executor.3 [ 3188] 0 3188 18047 8700 23 2 0 1000 syz-executor.3 [ 3483] 0 3483 18080 8743 25 2 0 4 syz-executor.2 [ 4043] 0 4043 18047 8708 23 2 0 1000 syz-executor.3 [ 4605] 0 4605 18047 8707 23 2 0 1000 syz-executor.2 [ 4683] 0 4683 18047 8700 23 2 0 1000 syz-executor.3 [ 5602] 0 5602 18047 8699 23 2 0 1000 syz-executor.4 [ 5677] 0 5677 18080 8708 23 2 0 1000 syz-executor.4 [ 5689] 0 5689 18047 8707 23 2 0 1000 syz-executor.4 [ 5791] 0 5791 18047 8708 23 2 0 1000 syz-executor.5 [ 5792] 0 5792 18047 8708 23 2 0 1000 syz-executor.5 [ 6096] 0 6096 18047 8708 23 2 0 1000 syz-executor.5 [ 6178] 0 6178 18047 8708 23 2 0 1000 syz-executor.5 [ 6186] 0 6186 18047 8708 23 2 0 1000 syz-executor.5 [ 6198] 0 6198 18047 8708 23 2 0 1000 syz-executor.5 [ 6199] 0 6199 18047 8700 23 2 0 1000 syz-executor.3 [ 6224] 0 6224 18047 8700 23 2 0 1000 syz-executor.3 [ 6353] 0 6353 18047 8699 23 2 0 1000 syz-executor.1 [ 6665] 0 6665 18047 8707 23 2 0 1000 syz-executor.4 [ 7064] 0 7064 18047 8699 23 2 0 1000 syz-executor.0 [ 7502] 0 7502 18047 8707 23 2 0 1000 syz-executor.1 [ 7574] 0 7574 18047 8707 23 2 0 1000 syz-executor.1 [ 7647] 0 7647 18047 8699 23 2 0 1000 syz-executor.1 [ 7824] 0 7824 18047 8699 23 2 0 1000 syz-executor.4 [ 8044] 0 8044 18080 8708 23 2 0 1000 syz-executor.4 [ 8057] 0 8057 18047 8707 23 2 0 1000 syz-executor.4 [11354] 0 11354 18080 8708 23 2 0 1000 syz-executor.1 [11356] 0 11356 18047 8707 23 2 0 1000 syz-executor.1 [11359] 0 11359 18080 8708 23 2 0 1000 syz-executor.1 [11413] 0 11413 18080 8708 23 2 0 1000 syz-executor.1 [11463] 0 11463 18047 8707 23 2 0 1000 syz-executor.1 [12498] 0 12498 18047 8699 23 2 0 1000 syz-executor.1 [12920] 0 12920 18047 8700 23 2 0 1000 syz-executor.5 [12977] 0 12977 18047 8700 23 2 0 1000 syz-executor.5 [13017] 0 13017 18047 8700 23 2 0 1000 syz-executor.5 [14872] 0 14872 18047 8702 24 2 0 1000 syz-executor.0 [15753] 0 15753 18047 8701 23 2 0 1000 syz-executor.2 [16069] 0 16069 18047 8701 23 2 0 1000 syz-executor.2 [17631] 0 17631 18047 8701 23 2 0 1000 syz-executor.2 [24927] 0 24927 18047 8709 23 2 0 1000 syz-executor.0 [25250] 0 25250 18047 8708 24 2 0 1000 syz-executor.4 [25254] 0 25254 18077 8708 23 2 0 1000 syz-executor.4 [25273] 0 25273 18047 8708 24 2 0 1000 syz-executor.4 [25891] 0 25891 18047 8700 23 2 0 1000 syz-executor.5 [27978] 0 27978 18047 8709 23 2 0 1000 syz-executor.2 [28319] 0 28319 5378 184 16 3 0 -1000 udevd [28922] 0 28922 18047 8701 23 2 0 1000 syz-executor.0 [28930] 0 28929 18146 4 25 2 0 1000 syz-executor.1 Out of memory: Kill process 24927 (syz-executor.0) score 1005 or sacrifice child Killed process 24927 (syz-executor.0) total-vm:72188kB, anon-rss:148kB, file-rss:34688kB, shmem-rss:0kB syz-executor.1 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 28936 Comm: syz-executor.1 Not tainted 4.9.141+ #23 ffff8801a1ca7590 ffffffff81b42e79 ffff8801a1ca7950 ffffffff833e92b0 00000000000003e8 ffff8801a1ca7968 0000000000000000 ffff8801a1ca7610 ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] dump_header.isra.4+0x142/0x747 mm/oom_kill.c:417 [] oom_kill_process.cold.10+0xd/0xa6e mm/oom_kill.c:852 [] out_of_memory+0x292/0xe90 mm/oom_kill.c:1061 [] __alloc_pages_may_oom mm/page_alloc.c:3135 [inline] [] __alloc_pages_slowpath mm/page_alloc.c:3751 [inline] [] __alloc_pages_nodemask+0x18ee/0x1bd0 mm/page_alloc.c:3862 [] __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] [] __vmalloc_area_node mm/vmalloc.c:1644 [inline] [] __vmalloc_node_range+0x25b/0x600 mm/vmalloc.c:1702 [] __vmalloc_node mm/vmalloc.c:1745 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1759 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1774 [] xt_alloc_table_info+0xc9/0x100 net/netfilter/x_tables.c:997 [] compat_do_replace.isra.6+0x112/0x4f0 net/ipv4/netfilter/arp_tables.c:1276 [] compat_do_arpt_set_ctl+0x102/0x140 net/ipv4/netfilter/arp_tables.c:1314 [] compat_nf_sockopt net/netfilter/nf_sockopt.c:143 [inline] [] compat_nf_setsockopt+0x8b/0x130 net/netfilter/nf_sockopt.c:155 [] compat_ip_setsockopt+0x97/0xd0 net/ipv4/ip_sockglue.c:1275 [] inet_csk_compat_setsockopt+0x97/0x120 net/ipv4/inet_connection_sock.c:917 [] compat_tcp_setsockopt+0x3d/0x70 net/ipv4/tcp.c:2769 [] compat_sock_common_setsockopt+0xb4/0x150 net/core/sock.c:2717 [] C_SYSC_setsockopt net/compat.c:399 [inline] [] compat_SyS_setsockopt+0x169/0x550 net/compat.c:382 [] do_syscall_32_irqs_on arch/x86/entry/common.c:328 [inline] [] do_fast_syscall_32+0x2f1/0xa10 arch/x86/entry/common.c:390 [] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137 Mem-Info: active_anon:45307 inactive_anon:78 isolated_anon:0 active_file:35 inactive_file:48 isolated_file:7 unevictable:1 dirty:0 writeback:0 unstable:0 slab_reclaimable:9185 slab_unreclaimable:66048 mapped:52258 shmem:79 pagetables:2320 bounce:0 free:6024 free_pcp:0 free_cma:0 Node 0 active_anon:181228kB inactive_anon:312kB active_file:140kB inactive_file:192kB unevictable:4kB isolated(anon):0kB isolated(file):28kB mapped:209032kB dirty:0kB writeback:0kB shmem:316kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18520kB min:4696kB low:7712kB high:10728kB active_anon:84kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:4kB slab_unreclaimable:3320kB kernel_stack:96kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:5576kB min:5580kB low:9168kB high:12756kB active_anon:181144kB inactive_anon:308kB active_file:140kB inactive_file:192kB unevictable:4kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:36736kB slab_unreclaimable:260872kB kernel_stack:6112kB pagetables:9280kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 14*4kB (MEH) 18*8kB (ME) 15*16kB (MEH) 10*32kB (ME) 10*64kB (ME) 7*128kB (ME) 7*256kB (MEH) 4*512kB (ME) 4*1024kB (ME) 4*2048kB (ME) 0*4096kB = 18424kB 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 313617 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5387 190 17 3 0 -1000 udevd [ 1775] 0 1775 2492 573 9 3 0 0 dhclient [ 1916] 0 1916 14263 155 24 3 0 0 rsyslogd [ 1967] 0 1967 4724 51 15 3 0 0 cron [ 1985] 0 1985 3734 44 10 3 0 0 mcstransd [ 1991] 0 1991 12926 1230 26 3 0 0 restorecond [ 2017] 0 2017 12489 152 27 3 0 -1000 sshd [ 2047] 0 2047 3648 40 12 3 0 0 getty [ 2075] 0 2075 17820 196 37 3 0 0 sshd [ 2077] 0 2077 73396 40649 106 5 0 0 syz-fuzzer [ 2123] 0 2123 18014 14 22 2 0 0 syz-executor.0 [ 2124] 0 2124 18014 13 22 2 0 0 syz-executor.5 [ 2125] 0 2125 18014 14 22 2 0 0 syz-executor.1 [ 2126] 0 2126 18014 14 22 2 0 0 syz-executor.4 [ 2127] 0 2127 18014 14 22 2 0 0 syz-executor.2 [ 2128] 0 2128 18014 15 22 2 0 0 syz-executor.3 [ 2129] 0 2129 18014 8625 23 2 0 0 syz-executor.1 [ 2130] 0 2130 18014 8731 23 2 0 0 syz-executor.5 [ 2131] 0 2131 18014 8641 23 2 0 0 syz-executor.0 [ 2132] 0 2132 18014 8730 23 2 0 0 syz-executor.4 [ 2133] 0 2133 18014 8609 23 2 0 0 syz-executor.2 [ 2134] 0 2134 18014 8731 23 2 0 0 syz-executor.3 [ 2295] 0 2295 5518 312 16 3 0 -1000 udevd [ 2297] 0 2297 5518 313 16 3 0 -1000 udevd [ 2491] 0 2491 18047 8707 24 2 0 1000 syz-executor.0 [ 2664] 0 2664 18047 8690 24 2 0 1000 syz-executor.4 [ 2666] 0 2666 18047 8699 24 2 0 1000 syz-executor.4 [ 2788] 0 2788 18047 8697 23 2 0 1000 syz-executor.0 [ 2810] 0 2810 18047 8706 24 2 0 1000 syz-executor.0 [ 3000] 0 3000 18047 8700 23 2 0 1000 syz-executor.3 [ 3188] 0 3188 18047 8700 23 2 0 1000 syz-executor.3 [ 3483] 0 3483 18080 8743 25 2 0 4 syz-executor.2 [ 4043] 0 4043 18047 8708 23 2 0 1000 syz-executor.3 [ 4605] 0 4605 18047 8707 23 2 0 1000 syz-executor.2 [ 4683] 0 4683 18047 8700 23 2 0 1000 syz-executor.3 [ 5602] 0 5602 18047 8699 23 2 0 1000 syz-executor.4 [ 5677] 0 5677 18080 8708 23 2 0 1000 syz-executor.4 [ 5689] 0 5689 18047 8707 23 2 0 1000 syz-executor.4 [ 5791] 0 5791 18047 8708 23 2 0 1000 syz-executor.5 [ 5792] 0 5792 18047 8708 23 2 0 1000 syz-executor.5 [ 6096] 0 6096 18047 8708 23 2 0 1000 syz-executor.5 [ 6178] 0 6178 18047 8708 23 2 0 1000 syz-executor.5 [ 6186] 0 6186 18047 8708 23 2 0 1000 syz-executor.5 [ 6198] 0 6198 18047 8708 23 2 0 1000 syz-executor.5 [ 6199] 0 6199 18047 8700 23 2 0 1000 syz-executor.3 [ 6224] 0 6224 18047 8700 23 2 0 1000 syz-executor.3 [ 6353] 0 6353 18047 8699 23 2 0 1000 syz-executor.1 [ 6665] 0 6665 18047 8707 23 2 0 1000 syz-executor.4 [ 7064] 0 7064 18047 8699 23 2 0 1000 syz-executor.0 [ 7502] 0 7502 18047 8707 23 2 0 1000 syz-executor.1 [ 7574] 0 7574 18047 8707 23 2 0 1000 syz-executor.1 [ 7647] 0 7647 18047 8699 23 2 0 1000 syz-executor.1 [ 7824] 0 7824 18047 8699 23 2 0 1000 syz-executor.4 [ 8044] 0 8044 18080 8708 23 2 0 1000 syz-executor.4 [ 8057] 0 8057 18047 8707 23 2 0 1000 syz-executor.4 [11354] 0 11354 18080 8708 23 2 0 1000 syz-executor.1 [11356] 0 11356 18047 8707 23 2 0 1000 syz-executor.1 [11359] 0 11359 18080 8708 23 2 0 1000 syz-executor.1 [11413] 0 11413 18080 8708 23 2 0 1000 syz-executor.1 [11463] 0 11463 18047 8707 23 2 0 1000 syz-executor.1 [12498] 0 12498 18047 8699 23 2 0 1000 syz-executor.1 [12920] 0 12920 18047 8700 23 2 0 1000 syz-executor.5 [12977] 0 12977 18047 8700 23 2 0 1000 syz-executor.5 [13017] 0 13017 18047 8700 23 2 0 1000 syz-executor.5 [14872] 0 14872 18047 8702 24 2 0 1000 syz-executor.0 [15753] 0 15753 18047 8701 23 2 0 1000 syz-executor.2 [16069] 0 16069 18047 8701 23 2 0 1000 syz-executor.2 [17631] 0 17631 18047 8701 23 2 0 1000 syz-executor.2 [25250] 0 25250 18047 8708 24 2 0 1000 syz-executor.4 [25254] 0 25254 18077 8708 23 2 0 1000 syz-executor.4 [25273] 0 25273 18047 8708 24 2 0 1000 syz-executor.4 [25891] 0 25891 18047 8700 23 2 0 1000 syz-executor.5 [27978] 0 27978 18047 8709 23 2 0 1000 syz-executor.2 [28319] 0 28319 5378 184 16 3 0 -1000 udevd [28922] 0 28922 18047 8701 23 2 0 1000 syz-executor.0 [28930] 0 28929 18146 4 25 2 0 1000 syz-executor.1 Out of memory: Kill process 25250 (syz-executor.4) score 1005 or sacrifice child Killed process 25250 (syz-executor.4) total-vm:72188kB, anon-rss:144kB, file-rss:34688kB, shmem-rss:0kB INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P28930 } 10936 jiffies s: 13395 root: 0x0/T blocking rcu_node structures: syz-executor.1 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 28936 Comm: syz-executor.1 Not tainted 4.9.141+ #23 ffff8801a1ca7590 ffffffff81b42e79 ffff8801a1ca7950 ffffffff833e92b0 00000000000003e8 ffff8801a1ca7968 0000000000000000 ffff8801a1ca7610 ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] dump_header.isra.4+0x142/0x747 mm/oom_kill.c:417 [] oom_kill_process.cold.10+0xd/0xa6e mm/oom_kill.c:852 [] out_of_memory+0x292/0xe90 mm/oom_kill.c:1061 [] __alloc_pages_may_oom mm/page_alloc.c:3135 [inline] [] __alloc_pages_slowpath mm/page_alloc.c:3751 [inline] [] __alloc_pages_nodemask+0x18ee/0x1bd0 mm/page_alloc.c:3862 [] __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] [] __vmalloc_area_node mm/vmalloc.c:1644 [inline] [] __vmalloc_node_range+0x25b/0x600 mm/vmalloc.c:1702 [] __vmalloc_node mm/vmalloc.c:1745 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1759 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1774 [] xt_alloc_table_info+0xc9/0x100 net/netfilter/x_tables.c:997 [] compat_do_replace.isra.6+0x112/0x4f0 net/ipv4/netfilter/arp_tables.c:1276 [] compat_do_arpt_set_ctl+0x102/0x140 net/ipv4/netfilter/arp_tables.c:1314 [] compat_nf_sockopt net/netfilter/nf_sockopt.c:143 [inline] [] compat_nf_setsockopt+0x8b/0x130 net/netfilter/nf_sockopt.c:155 [] compat_ip_setsockopt+0x97/0xd0 net/ipv4/ip_sockglue.c:1275 [] inet_csk_compat_setsockopt+0x97/0x120 net/ipv4/inet_connection_sock.c:917 [] compat_tcp_setsockopt+0x3d/0x70 net/ipv4/tcp.c:2769 [] compat_sock_common_setsockopt+0xb4/0x150 net/core/sock.c:2717 [] C_SYSC_setsockopt net/compat.c:399 [inline] [] compat_SyS_setsockopt+0x169/0x550 net/compat.c:382 [] do_syscall_32_irqs_on arch/x86/entry/common.c:328 [inline] [] do_fast_syscall_32+0x2f1/0xa10 arch/x86/entry/common.c:390 [] entry_SYSENTER_compat+0x90/0xa2 arch/x86/entry/entry_64_compat.S:137 Mem-Info: active_anon:45307 inactive_anon:78 isolated_anon:0 active_file:35 inactive_file:48 isolated_file:7 unevictable:1 dirty:0 writeback:0 unstable:0 slab_reclaimable:9185 slab_unreclaimable:66048 mapped:52258 shmem:79 pagetables:2320 bounce:0 free:6025 free_pcp:0 free_cma:0 Node 0 active_anon:181228kB inactive_anon:312kB active_file:140kB inactive_file:192kB unevictable:4kB isolated(anon):0kB isolated(file):28kB mapped:209032kB dirty:0kB writeback:0kB shmem:316kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18520kB min:4696kB low:7712kB high:10728kB active_anon:84kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:4kB slab_unreclaimable:3320kB kernel_stack:96kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:5580kB min:5580kB low:9168kB high:12756kB active_anon:181144kB inactive_anon:308kB active_file:140kB inactive_file:192kB unevictable:4kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:36736kB slab_unreclaimable:260872kB kernel_stack:6080kB pagetables:9280kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 14*4kB (MEH) 18*8kB (ME) 15*16kB (MEH) 10*32kB (ME) 10*64kB (ME) 7*128kB (ME) 7*256kB (MEH) 4*512kB (ME) 4*1024kB (ME) 4*2048kB (ME) 0*4096kB = 18424kB 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 313617 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5387 190 17 3 0 -1000 udevd [ 1775] 0 1775 2492 573 9 3 0 0 dhclient [ 1916] 0 1916 14263 155 24 3 0 0 rsyslogd [ 1967] 0 1967 4724 51 15 3 0 0 cron [ 1985] 0 1985 3734 44 10 3 0 0 mcstransd [ 1991] 0 1991 12926 1230 26 3 0 0 restorecond [ 2017] 0 2017 12489 152 27 3 0 -1000 sshd [ 2047] 0 2047 3648 40 12 3 0 0 getty [ 2075] 0 2075 17820 196 37 3 0 0 sshd [ 2077] 0 2077 73396 40649 106 5 0 0 syz-fuzzer [ 2123] 0 2123 18014 14 22 2 0 0 syz-executor.0 [ 2124] 0 2124 18014 13 22 2 0 0 syz-executor.5 [ 2125] 0 2125 18014 14 22 2 0 0 syz-executor.1 [ 2126] 0 2126 18014 14 22 2 0 0 syz-executor.4 [ 2127] 0 2127 18014 14 22 2 0 0 syz-executor.2 [ 2128] 0 2128 18014 15 22 2 0 0 syz-executor.3 [ 2129] 0 2129 18014 8625 23 2 0 0 syz-executor.1 [ 2130] 0 2130 18014 8731 23 2 0 0 syz-executor.5 [ 2131] 0 2131 18014 8641 23 2 0 0 syz-executor.0 [ 2132] 0 2132 18014 8730 23 2 0 0 syz-executor.4 [ 2133] 0 2133 18014 8609 23 2 0 0 syz-executor.2 [ 2134] 0 2134 18014 8731 23 2 0 0 syz-executor.3 [ 2295] 0 2295 5518 312 16 3 0 -1000 udevd [ 2297] 0 2297 5518 313 16 3 0 -1000 udevd [ 2491] 0 2491 18047 8707 24 2 0 1000 syz-executor.0 [ 2664] 0 2664 18047 8690 24 2 0 1000 syz-executor.4 [ 2666] 0 2666 18047 8699 24 2 0 1000 syz-executor.4 [ 2788] 0 2788 18047 8697 23 2 0 1000 syz-executor.0 [ 2810] 0 2810 18047 8706 24 2 0 1000 syz-executor.0 [ 3000] 0 3000 18047 8700 23 2 0 1000 syz-executor.3 [ 3188] 0 3188 18047 8700 23 2 0 1000 syz-executor.3 [ 3483] 0 3483 18080 8743 25 2 0 4 syz-executor.2 [ 4043] 0 4043 18047 8708 23 2 0 1000 syz-executor.3 [ 4605] 0 4605 18047 8707 23 2 0 1000 syz-executor.2 [ 4683] 0 4683 18047 8700 23 2 0 1000 syz-executor.3 [ 5602] 0 5602 18047 8699 23 2 0 1000 syz-executor.4 [ 5677] 0 5677 18080 8708 23 2 0 1000 syz-executor.4 [ 5689] 0 5689 18047 8707 23 2 0 1000 syz-executor.4 [ 5791] 0 5791 18047 8708 23 2 0 1000 syz-executor.5 [ 5792] 0 5792 18047 8708 23 2 0 1000 syz-executor.5 [ 6096] 0 6096 18047 8708 23 2 0 1000 syz-executor.5 [ 6178] 0 6178 18047 8708 23 2 0 1000 syz-executor.5 [ 6186] 0 6186 18047 8708 23 2 0 1000 syz-executor.5 [ 6198] 0 6198 18047 8708 23 2 0 1000 syz-executor.5 [ 6199] 0 6199 18047 8700 23 2 0 1000 syz-executor.3 [ 6224] 0 6224 18047 8700 23 2 0 1000 syz-executor.3 [ 6353] 0 6353 18047 8699 23 2 0 1000 syz-executor.1 [ 6665] 0 6665 18047 8707 23 2 0 1000 syz-executor.4 [ 7064] 0 7064 18047 8699 23 2 0 1000 syz-executor.0 [ 7502] 0 7502 18047 8707 23 2 0 1000 syz-executor.1 [ 7574] 0 7574 18047 8707 23 2 0 1000 syz-executor.1 [ 7647] 0 7647 18047 8699 23 2 0 1000 syz-executor.1 [ 7824] 0 7824 18047 8699 23 2 0 1000 syz-executor.4 [ 8044] 0 8044 18080 8708 23 2 0 1000 syz-executor.4 [ 8057] 0 8057 18047 8707 23 2 0 1000 syz-executor.4 [11354] 0 11354 18080 8708 23 2 0 1000 syz-executor.1 [11356] 0 11356 18047 8707 23 2 0 1000 syz-executor.1 [11359] 0 11359 18080 8708 23 2 0 1000 syz-executor.1 [11413] 0 11413 18080 8708 23 2 0 1000 syz-executor.1 [11463] 0 11463 18047 8707 23 2 0 1000 syz-executor.1 [12498] 0 12498 18047 8699 23 2 0 1000 syz-executor.1 [12920] 0 12920 18047 8700 23 2 0 1000 syz-executor.5 [12977] 0 12977 18047 8700 23 2 0 1000 syz-executor.5 [13017] 0 13017 18047 8700 23 2 0 1000 syz-executor.5 [14872] 0 14872 18047 8702 24 2 0 1000 syz-executor.0 [15753] 0 15753 18047 8701 23 2 0 1000 syz-executor.2 [16069] 0 16069 18047 8701 23 2 0 1000 syz-executor.2 [17631] 0 17631 18047 8701 23 2 0 1000 syz-executor.2 [25254] 0 25254 18077 8708 23 2 0 1000 syz-executor.4 [25273] 0 25273 18047 8708 24 2 0 1000 syz-executor.4 [25891] 0 25891 18047 8700 23 2 0 1000 syz-executor.5 [27978] 0 27978 18047 8709 23 2 0 1000 syz-executor.2 [28319] 0 28319 5378 184 16 3 0 -1000 udevd [28922] 0 28922 18047 8701 23 2 0 1000 syz-executor.0 [28930] 0 28929 18146 4 25 2 0 1000 syz-executor.1 Out of memory: Kill process 25273 (syz-executor.4) score 1005 or sacrifice child Killed process 25273 (syz-executor.4) total-vm:72188kB, anon-rss:144kB, file-rss:34688kB, shmem-rss:0kB syz-executor.1 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 28936 Comm: syz-executor.1 Not tainted 4.9.141+ #23 ffff8801a1ca7590 ffffffff81b42e79 ffff8801a1ca7950 ffffffff833e92b0 00000000000003e8 ffff8801a1ca7968 0000000000000000 ffff8801a1ca7610 ffffffff814fb526 0000000000000000 00000000000003e8 ffffffff82816fa5 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] dump_header.isra.4+0x142/0x747 mm/oom_kill.c:417 [] oom_kill_process.cold.10+0xd/0xa6e mm/oom_kill.c:852 [] out_of_memory+0x292/0xe90 mm/oom_kill.c:1061 [] __alloc_pages_may_oom mm/page_alloc.c:3135 [inline] [] __alloc_pages_slowpath mm/page_alloc.c:3751 [inline] [] __alloc_pages_nodemask+0x18ee/0x1bd0 mm/page_alloc.c:3862 [] __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] [] __vmalloc_area_node mm/vmalloc.c:1644 [inline] [] __vmalloc_node_range+0x25b/0x600 mm/vmalloc.c:1702 [] __vmalloc_node mm/vmalloc.c:1745 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1759 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1774 [] xt_alloc_table_info+0xc9/0x100 net/netfilter/x_tables.c:997 [] compat_do_replace.isra.6+0x112/0x4f0 net/ipv4/netfilter/arp_tables.c:1276 [] compat_do_arpt_set_ctl+0x102/0x140 net/ipv4/netfilter/arp_tables.c:1314 [] compat_nf_sockopt net/netfilter/nf_sockopt.c:143 [inline] [] compat_nf_setsockopt+0x8b/0x130 net/netfilter/nf_sockopt.c:155 [] compat_ip_setsockopt+0x97/0xd0 net/ipv4/ip_sockglue.c:1275 [ 2077] 0 2077 73396 40649 106 5 0 0 syz-fuzzer [ 2123] 0 2123 18014 14 22 2 0 0 syz-executor.0 [ 2124] 0 2124 18014 13 22 2 0 0 syz-executor.5 [ 2125] 0 2125 18014 14 22 2 0 0 syz-executor.1 [ 2126] 0 2126 18014 14 22 2 0 0 syz-executor.4 [ 2127] 0 2127 18014 14 22 2 0 0 syz-executor.2 [ 2128] 0 2128 18014 15 22 2 0 0 syz-executor.3 [ 2129] 0 2129 18014 8625 23 2 0 0 syz-executor.1 [ 2130] 0 2130 18014 8731 23 2 0 0 syz-executor.5 [ 2131] 0 2131 18014 8641 23 2 0 0 syz-executor.0 [ 2132] 0 2132 18014 8730 23 2 0 0 syz-executor.4 [ 2133] 0 2133 18014 8609 23 2 0 0 syz-executor.2 [ 2134] 0 2134 18014 8731 23 2 0 0 syz-executor.3 [ 2295] 0 2295 5518 312 16 3 0 -1000 udevd [ 2297] 0 2297 5518 313 16 3 0 -1000 udevd [ 2491] 0 2491 18047 8707 24 2 0 1000 syz-executor.0 [ 2664] 0 2664 18047 8690 24 2 0 1000 syz-executor.4 [ 2666] 0 2666 18047 8699 24 2 0 1000 syz-executor.4 [ 2788] 0 2788 18047 8697 23 2 0 1000 syz-executor.0 [ 2810] 0 2810 18047 8706 24 2 0 1000 syz-executor.0 [ 3000] 0 3000 18047 8700 23 2 0 1000 syz-executor.3 [ 3188] 0 3188 18047 8700 23 2 0 1000 syz-executor.3 [ 3483] 0 3483 18080 8743 25 2 0 4 syz-executor.2 [ 4043] 0 4043 18047 8708 23 2 0 1000 syz-executor.3 DMA32 free:18520kB min:4696kB low:7712kB high:10728kB active_anon:84kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020132kB mlocked:0kB slab_reclaimable:4kB slab_unreclaimable:3320kB kernel_stack:96kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5387 190 17 3 0 -1000 udevd [ 1775] 0 1775 2492 573 9 3 0 0 dhclient [ 1916] 0 1916 14263 155 24 3 0 0 rsyslogd [ 1967] 0 1967 4724 51 15 3 0 0 cron [ 1985] 0 1985 3734 44 10 3 0 0 mcstransd [ 1991] 0 1991 12926 1230 26 3 0 0 restorecond [ 2017] 0 2017 12489 152 27 3 0 -1000 sshd [ 2047] 0 2047 3648 40 12 3 0 0 getty [ 2075] 0 2075 17820 196 37 3 0 0 sshd [ 2077] 0 2077 73396 40649 106 5 0 0 syz-fuzzer [ 2123] 0 2123 18014 14 22 2 0 0 syz-executor.0 [ 2124] 0 2124 18014 13 22 2 0 0 syz-executor.5 [ 2125] 0 2125 18014 14 22 2 0 0 syz-executor.1 [ 2126] 0 2126 18014 14 22 2 0 0 syz-executor.4 [ 2127] 0 2127 18014 14 22 2 0 0 syz-executor.2 [ 2128] 0 2128 18014 15 22 2 0 0 syz-executor.3 [ 2129] 0 2129 18014 8625 23 2 0 0 syz-executor.1 [ 2130] 0 2130 18014 8731 23 2 0 0 syz-executor.5 [ 2131] 0 2131 18014 8641 23 2 0 0 syz-executor.0 [ 2132] 0 2132 18014 8730 23 2 0 0 syz-executor.4 [ 2133] 0 2133 18014 8609 23 2 0 0 syz-executor.2 [ 2134] 0 2134 18014 8731 23 2 0 0 syz-executor.3 [ 2295] 0 2295 5518 312 16 3 0 -1000 udevd [ 2297] 0 2297 5518 313 16 3 0 -1000 udevd [ 2491] 0 2491 18047 8707 24 2 0 1000 syz-executor.0 [ 2664] 0 2664 18047 8690 24 2 0 1000 syz-executor.4 [ 2666] 0 2666 18047 8699 24 2 0 1000 syz-executor.4 [ 2788] 0 2788 18047 8697 23 2 0 1000 syz-executor.0 [ 2810] 0 2810 18047 8706 24 2 0 1000 syz-executor.0 [ 3000] 0 3000 18047 8700 23 2 0 1000 syz-executor.3 [ 3188] 0 3188 18047 8700 23 2 0 1000 syz-executor.3 [ 3483] 0 3483 18080 8743 25 2 0 4 syz-executor.2 [ 4043] 0 4043 18047 8708 23 2 0 1000 syz-executor.3 [ 4605] 0 4605 18047 8707 23 2 0 1000 syz-executor.2 [ 4683] 0 4683 18047 8700 23 2 0 1000 syz-executor.3 [ 5602] 0 5602 18047 8699 23 2 0 1000 syz-executor.4 [ 5677] 0 5677 18080 8708 23 2 0 1000 syz-executor.4 [ 5689] 0 5689 18047 8707 23 2 0 1000 syz-executor.4 [ 5791] 0 5791 18047 8708 23 2 0 1000 syz-executor.5 [ 5792] 0 5792 18047 8708 23 2 0 1000 syz-executor.5 [ 6096] 0 6096 18047 8708 23 2 0 1000 syz-executor.5 [ 6178] 0 6178 18047 8708 23 2 0 1000 syz-executor.5 [ 6186] 0 6186 18047 8708 23 2 0 1000 syz-executor.5 [ 6198] 0 6198 18047 8708 23 2 0 1000 syz-executor.5 [ 6199] 0 6199 18047 8700 23 2 0 1000 syz-executor.3 [ 6224] 0 6224 18047 8700 23 2 0 1000 syz-executor.3 [ 6353] 0 6353 18047 8699 23 2 0 1000 syz-executor.1 [ 6665] 0 6665 18047 8707 23 2 0 1000 syz-executor.4 [ 7064] 0 7064 18047 8699 23 2 0 1000 syz-executor.0 [ 7502] 0 7502 18047 8707 23 2 0 1000 syz-executor.1 [ 7574] 0 7574 18047 8707 23 2 0 1000 syz-executor.1 [ 7647] 0 7647 18047 8699 23 2 0 1000 syz-executor.1 [ 7824] 0 7824 18047 8699 23 2 0 1000 syz-executor.4 [ 8044] 0 8044 18080 8708 23 2 0 1000 syz-executor.4 [ 8057] 0 8057 18047 8707 23 2 0 1000 syz-executor.4 [11354] 0 11354 18080 8708 23 2 0 1000 syz-executor.1 [11356] 0 11356 18047 8707 23 2 0 1000 syz-executor.1 [11359] 0 11359 18080 8708 23 2 0 1000 syz-executor.1 [11413] 0 11413 18080 8708 23 2 0 1000 syz-executor.1 [11463] 0 11463 18047 8707 23 2 0 1000 syz-executor.1 [12498] 0 12498 18047 8699 23 2 0 1000 syz-executor.1 [12920] 0 12920 18047 8700 23 2 0 1000 syz-executor.5 [12977] 0 12977 18047 8700 23 2 0 1000 syz-executor.5 [13017] 0 13017 18047 8700 23 2 0 1000 syz-executor.5 [14872] 0 14872 18047 8702 24 2 0 1000 syz-executor.0 [15753] 0 15753 18047 8701 23 2 0 1000 syz-executor.2 [16069] 0 16069 18047 8701 23 2 0 1000 syz-executor.2 [17631] 0 17631 18047 8701 23 2 0 1000 syz-executor.2 [25254] 0 25254 18077 8708 23 2 0 1000 syz-executor.4 [25891] 0 25891 18047 8700 23 2 0 1000 syz-executor.5