lowmemorykiller: Killing 'syz-executor620' (2057) (tgid 2057), adj 1000, to free 48kB on behalf of 'syz-executor620' (2066) because cache 34240kB is below limit 65536kB for oom_score_adj 12 Free memory is -13112kB above reserved ================================= [ INFO: inconsistent lock state ] 4.9.194+ #0 Not tainted --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. syz-executor620/2066 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<0000000047221078>] 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: 258131 hardirqs last enabled at (258131): [<000000009135c57f>] vprintk_emit+0x25c/0x6f0 kernel/printk/printk.c:1897 hardirqs last disabled at (258130): [<000000007ea5007b>] vprintk_emit+0x6d/0x6f0 kernel/printk/printk.c:1801 softirqs last enabled at (257554): [<00000000e3884fec>] __do_softirq+0x474/0x964 kernel/softirq.c:314 softirqs last disabled at (257033): [<0000000053ae730f>] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (257033): [<0000000053ae730f>] 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-executor620/2066: #0: (shrinker_rwsem){++++..}, at: [<000000007eade036>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 stack backtrace: CPU: 0 PID: 2066 Comm: syz-executor620 Not tainted 4.9.194+ #0 ffff8801c4546fe0 ffffffff81b67001 00000000000000f0 ffff8801d0b3df00 ffffffff83cb0630 ffff8801d0b3e7f8 ffffffff84252000 ffff8801c4547058 ffffffff81408710 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<00000000c2a7efe1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000c2a7efe1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000004e945102>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<000000004e945102>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<00000000644ae385>] valid_state kernel/locking/lockdep.c:2400 [inline] [<00000000644ae385>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<00000000644ae385>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<0000000021ee83c9>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<0000000021ee83c9>] __lock_acquire+0x5be/0x4390 kernel/locking/lockdep.c:3302 [<0000000039a85a73>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<0000000022efa3b5>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<0000000047221078>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<00000000fc44d84b>] handle_lmk_event+0x169/0x920 drivers/staging/android/lowmemorykiller.c:116 [<00000000868a9fc3>] lowmem_scan+0x6f3/0xb70 drivers/staging/android/lowmemorykiller.c:354 [<0000000050074e64>] do_shrink_slab mm/vmscan.c:399 [inline] [<0000000050074e64>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<00000000d3bfe2ad>] shrink_slab mm/vmscan.c:466 [inline] [<00000000d3bfe2ad>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000b0994267>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000b0994267>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000b0994267>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<000000002eb8d623>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<000000002eb8d623>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<000000002eb8d623>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<000000002eb8d623>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<000000007c2a26d0>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000007c2a26d0>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000007c2a26d0>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000007c2a26d0>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<000000007c2a26d0>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<000000008a3c787b>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<000000008a3c787b>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<000000008a3c787b>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000024b2dc1f>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000004ba7c463>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<0000000095382c35>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000f08404a9>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000f08404a9>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000001a338b47>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<000000001a338b47>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000b7c587a1>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000b7c587a1>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000002e7905aa>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000b211f5a8>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000b211f5a8>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000a0e017d7>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<000000009170a0f3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb oom_reaper: reaped process 2057 (syz-executor620), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor620 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2063 Comm: syz-executor620 Not tainted 4.9.194+ #0 ffff8801d0b0f6a8 ffffffff81b67001 ffff8801d0b0fa00 ffffffff833f1c30 00000000000003e8 ffff8801d0b0fa18 0000000000000000 ffff8801d0b0f728 ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 Call Trace: [<00000000c2a7efe1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000c2a7efe1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000009105cdb0>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000d67edfa2>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<000000009db5683f>] out_of_memory mm/oom_kill.c:1069 [inline] [<000000009db5683f>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000d62bed1f>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000d62bed1f>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000d62bed1f>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<000000007c2a26d0>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000007c2a26d0>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000007c2a26d0>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000007c2a26d0>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<000000007c2a26d0>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<000000008a3c787b>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<000000008a3c787b>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<000000008a3c787b>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000024b2dc1f>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000004ba7c463>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<0000000095382c35>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000f08404a9>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000f08404a9>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000001a338b47>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<000000001a338b47>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000b7c587a1>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000b7c587a1>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000002e7905aa>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000b211f5a8>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000b211f5a8>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000a0e017d7>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<000000009170a0f3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3222 inactive_anon:41 isolated_anon:0 active_file:15 inactive_file:21 isolated_file:0 unevictable:0 dirty:0 writeback:9 unstable:0 slab_reclaimable:4271 slab_unreclaimable:56855 mapped:9 shmem:48 pagetables:355 bounce:0 free:6024 free_pcp:68 free_cma:0 Node 0 active_anon:12888kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:36kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:19 all_unreclaimable? no DMA32 free:18600kB 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:5496kB min:5580kB low:9168kB high:12756kB active_anon:12888kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:36kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17084kB slab_unreclaimable:227420kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:152kB local_pcp:152kB free_cma:0kB DMA32: 5*4kB (UM) 1*8kB (M) 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) = 18620kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5384 178 16 3 0 -1000 udevd [ 589] 0 589 5383 175 15 3 0 -1000 udevd [ 590] 0 590 5383 176 15 3 0 -1000 udevd [ 1757] 0 1757 2492 572 7 3 0 0 dhclient [ 1896] 0 1896 14231 110 23 3 0 0 rsyslogd [ 1951] 0 1951 4724 50 15 3 0 0 cron [ 1963] 0 1963 3734 44 12 3 0 0 mcstransd [ 1979] 0 1979 12489 152 29 3 0 -1000 sshd [ 1997] 0 1997 12926 1226 27 3 0 0 restorecond [ 2027] 0 2027 3648 38 13 3 0 0 getty [ 2046] 0 2046 3648 44 13 3 0 0 getty [ 2047] 0 2047 3648 42 13 3 0 0 getty [ 2048] 0 2048 3648 43 13 3 0 0 getty [ 2049] 0 2049 3648 42 12 3 0 0 getty [ 2050] 0 2050 3648 44 13 3 0 0 getty [ 2051] 0 2051 3648 43 12 3 0 0 getty [ 2052] 0 2052 17820 198 38 3 0 0 sshd [ 2054] 0 2054 4380 1 4 2 0 0 syz-executor620 [ 2055] 0 2055 4380 12 4 2 0 0 syz-executor620 [ 2056] 0 2056 4380 12 4 2 0 0 syz-executor620 [ 2057] 0 2057 4380 0 5 2 0 1000 syz-executor620 [ 2058] 0 2058 4380 12 4 2 0 0 syz-executor620 [ 2059] 0 2059 4380 12 4 2 0 0 syz-executor620 [ 2060] 0 2060 4380 12 4 2 0 0 syz-executor620 [ 2061] 0 2061 4380 12 4 2 0 0 syz-executor620 [ 2062] 0 2062 4380 12 5 2 0 1000 syz-executor620 [ 2063] 0 2063 4380 12 5 2 0 1000 syz-executor620 [ 2064] 0 2064 4380 12 5 2 0 1000 syz-executor620 [ 2065] 0 2065 4380 12 5 2 0 1000 syz-executor620 [ 2066] 0 2066 4380 12 5 2 0 1000 syz-executor620 Out of memory: Kill process 2062 (syz-executor620) score 999 or sacrifice child Killed process 2062 (syz-executor620) total-vm:17520kB, anon-rss:48kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 2062 (syz-executor620), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor620 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2063 Comm: syz-executor620 Not tainted 4.9.194+ #0 ffff8801d0b0f6a8 ffffffff81b67001 ffff8801d0b0fa00 ffffffff833f1c30 00000000000003e8 ffff8801d0b0fa18 0000000000000000 ffff8801d0b0f728 ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 Call Trace: [<00000000c2a7efe1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000c2a7efe1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000009105cdb0>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000d67edfa2>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<000000009db5683f>] out_of_memory mm/oom_kill.c:1069 [inline] [<000000009db5683f>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000d62bed1f>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000d62bed1f>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000d62bed1f>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<000000007c2a26d0>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000007c2a26d0>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000007c2a26d0>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000007c2a26d0>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<000000007c2a26d0>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<000000008a3c787b>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<000000008a3c787b>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<000000008a3c787b>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000024b2dc1f>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000004ba7c463>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<0000000095382c35>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000f08404a9>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000f08404a9>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000001a338b47>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<000000001a338b47>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000b7c587a1>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000b7c587a1>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000002e7905aa>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000b211f5a8>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000b211f5a8>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000a0e017d7>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<000000009170a0f3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3214 inactive_anon:41 isolated_anon:0 active_file:15 inactive_file:21 isolated_file:0 unevictable:0 dirty:0 writeback:9 unstable:0 slab_reclaimable:4271 slab_unreclaimable:56855 mapped:9 shmem:48 pagetables:355 bounce:0 free:4292 free_pcp:14 free_cma:0 Node 0 active_anon:12856kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:36kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:17108kB 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:0kB free_cma:0kB Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12856kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:36kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17084kB slab_unreclaimable:227420kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 5*4kB (UM) 1*8kB (M) 3*16kB (UM) 1*32kB (M) 2*64kB (UM) 3*128kB (M) 4*256kB (UM) 2*512kB (UM) 2*1024kB (M) 2*2048kB (UM) 2*4096kB (M) = 17004kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5384 178 16 3 0 -1000 udevd [ 589] 0 589 5383 175 15 3 0 -1000 udevd [ 590] 0 590 5383 176 15 3 0 -1000 udevd [ 1757] 0 1757 2492 572 7 3 0 0 dhclient [ 1896] 0 1896 14231 110 23 3 0 0 rsyslogd [ 1951] 0 1951 4724 50 15 3 0 0 cron [ 1963] 0 1963 3734 44 12 3 0 0 mcstransd [ 1979] 0 1979 12489 152 29 3 0 -1000 sshd [ 1997] 0 1997 12926 1226 27 3 0 0 restorecond [ 2027] 0 2027 3648 38 13 3 0 0 getty [ 2046] 0 2046 3648 44 13 3 0 0 getty [ 2047] 0 2047 3648 42 13 3 0 0 getty [ 2048] 0 2048 3648 43 13 3 0 0 getty [ 2049] 0 2049 3648 42 12 3 0 0 getty [ 2050] 0 2050 3648 44 13 3 0 0 getty [ 2051] 0 2051 3648 43 12 3 0 0 getty [ 2052] 0 2052 17820 198 38 3 0 0 sshd [ 2054] 0 2054 4380 1 4 2 0 0 syz-executor620 [ 2055] 0 2055 4380 12 4 2 0 0 syz-executor620 [ 2056] 0 2056 4380 12 4 2 0 0 syz-executor620 [ 2057] 0 2057 4380 0 5 2 0 1000 syz-executor620 [ 2058] 0 2058 4380 12 4 2 0 0 syz-executor620 [ 2059] 0 2059 4380 12 4 2 0 0 syz-executor620 [ 2060] 0 2060 4380 12 4 2 0 0 syz-executor620 [ 2061] 0 2061 4380 12 4 2 0 0 syz-executor620 [ 2062] 0 2062 4380 0 5 2 0 1000 syz-executor620 [ 2063] 0 2063 4380 12 5 2 0 1000 syz-executor620 [ 2064] 0 2064 4380 12 5 2 0 1000 syz-executor620 [ 2065] 0 2065 4380 12 5 2 0 1000 syz-executor620 [ 2066] 0 2066 4380 12 5 2 0 1000 syz-executor620 Out of memory: Kill process 2063 (syz-executor620) score 999 or sacrifice child Killed process 2063 (syz-executor620) total-vm:17520kB, anon-rss:48kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 2063 (syz-executor620), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor620: vmalloc: allocation failure, allocated 1327271936 of 4231929856 bytes syz-executor620: , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) ffffffff82aab480 0000000000000000 0000000000400000 ffff8801d0b0faa8 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<00000000c2a7efe1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000c2a7efe1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000c3d25e26>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000575da95d>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000575da95d>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<000000008a3c787b>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<000000008a3c787b>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<000000008a3c787b>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000024b2dc1f>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000004ba7c463>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<0000000095382c35>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000f08404a9>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000f08404a9>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000001a338b47>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<000000001a338b47>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000b7c587a1>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000b7c587a1>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000002e7905aa>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000b211f5a8>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000b211f5a8>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000a0e017d7>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<000000009170a0f3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: CPU: 1 PID: 2062 Comm: syz-executor620 Not tainted 4.9.194+ #0 active_anon:3214 inactive_anon:41 isolated_anon:0 active_file:15 inactive_file:21 isolated_file:0 unevictable:0 dirty:0 writeback:9 unstable:0 slab_reclaimable:4271 slab_unreclaimable:56855 mapped:9 shmem:48 pagetables:355 bounce:0 free:0 free_pcp:7 free_cma:0 ffff8801c62cf980 Node 0 active_anon:12856kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:36kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no ffffffff81b67001DMA32 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 dffffc0000000000 0 3505 ffffffff82aab480 3505 0000000000000000 0000000000400000Normal free:0kB min:5580kB low:9168kB high:12756kB active_anon:12856kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:36kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17084kB slab_unreclaimable:227420kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:28kB local_pcp:28kB free_cma:0kB 0 ffffffff815080fc 0 0000000041b58ab3 0 ffffffff82e3bc80 ffffffff81431d00DMA32: 0*4kB Call Trace: 0*8kB [<00000000c2a7efe1>] __dump_stack lib/dump_stack.c:15 [inline] 0*8kB [<00000000c2a7efe1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 0*16kB [<00000000c3d25e26>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 0*64kB [<00000000575da95d>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] 0*64kB [<00000000575da95d>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 0*256kB [<000000008a3c787b>] __vmalloc_node mm/vmalloc.c:1755 [inline] 0*256kB [<000000008a3c787b>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] 0*256kB [<000000008a3c787b>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 0*1024kB [<0000000024b2dc1f>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 0*2048kB [<000000004ba7c463>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 = 0kB 0*8kB [<0000000095382c35>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 0*16kB [<00000000f08404a9>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] 0*16kB [<00000000f08404a9>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 0*32kB [<000000001a338b47>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] 0*32kB [<000000001a338b47>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 0*64kB [<00000000b7c587a1>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] 0*64kB [<00000000b7c587a1>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 0*128kB [<000000002e7905aa>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 0*256kB [<00000000b211f5a8>] SYSC_setsockopt net/socket.c:1786 [inline] 0*256kB [<00000000b211f5a8>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 = 0kB 99 total pagecache pages [<000000009170a0f3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb 0 pages in swap cache Mem-Info: Swap cache stats: add 0, delete 0, find 0/0 active_anon:3214 inactive_anon:41 isolated_anon:0 active_file:15 inactive_file:21 isolated_file:0 unevictable:0 dirty:0 writeback:9 unstable:0 slab_reclaimable:4271 slab_unreclaimable:56855 mapped:9 shmem:48 pagetables:355 bounce:0 free:0 free_pcp:7 free_cma:0 Free swap = 0kB Node 0 active_anon:12856kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:36kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no Total swap = 0kB 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 lowmem_reserve[]: 0 pages HighMem/MovableOnly 0313627 pages reserved 3505 3505 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-executor620 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2057 Comm: syz-executor620 Not tainted 4.9.194+ #0 ffff8801ce8976a8 ffffffff81b67001 ffff8801ce897a00 ffffffff833f1c30 00000000000003e8 ffff8801ce897a18 0000000000000000 ffff8801ce897728 ffffffff81506e44 0000000000000000 00000000000003e8 ffffffff8282ac45 Call Trace: [<00000000c2a7efe1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000c2a7efe1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000009105cdb0>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000d67edfa2>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<000000009db5683f>] out_of_memory mm/oom_kill.c:1069 [inline] [<000000009db5683f>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000d62bed1f>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000d62bed1f>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000d62bed1f>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<000000007c2a26d0>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000007c2a26d0>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000007c2a26d0>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000007c2a26d0>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<000000007c2a26d0>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<000000008a3c787b>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<000000008a3c787b>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<000000008a3c787b>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000024b2dc1f>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000004ba7c463>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<0000000095382c35>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000f08404a9>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000f08404a9>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000001a338b47>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<000000001a338b47>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000b7c587a1>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000b7c587a1>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000002e7905aa>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000b211f5a8>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000b211f5a8>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000a0e017d7>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<000000009170a0f3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3214 inactive_anon:41 isolated_anon:0 active_file:15 inactive_file:21 isolated_file:0 unevictable:0 dirty:0 writeback:9 unstable:0 slab_reclaimable:4271 slab_unreclaimable:56855 mapped:9 shmem:48 pagetables:355 bounce:0 free:13 free_pcp:0 free_cma:0 Node 0 active_anon:12856kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:36kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:7 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:36kB min:5580kB low:9168kB high:12756kB active_anon:12856kB inactive_anon:164kB active_file:60kB inactive_file:84kB unevictable:0kB writepending:36kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17084kB slab_unreclaimable:227420kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5384 178 16 3 0 -1000 udevd [ 589] 0 589 5383 175 15 3 0 -1000 udevd [ 590] 0 590 5383 176 15 3 0 -1000 udevd [ 1757] 0 1757 2492 572 7 3 0 0 dhclient [ 1896] 0 1896 14231 110 23 3 0 0 rsyslogd [ 1951] 0 1951 4724 50 15 3 0 0 cron [ 1963] 0 1963 3734 44 12 3 0 0 mcstransd [ 1979] 0 1979 12489 152 29 3 0 -1000 sshd [ 1997] 0 1997 12926 1226 27 3 0 0 restorecond [ 2027] 0 2027 3648 38 13 3 0 0 getty [ 2046] 0 2046 3648 44 13 3 0 0 getty [ 2047] 0 2047 3648 42 13 3 0 0 getty [ 2048] 0 2048 3648 43 13 3 0 0 getty [ 2049] 0 2049 3648 42 12 3 0 0 getty [ 2050] 0 2050 3648 44 13 3 0 0 getty [ 2051] 0 2051 3648 43 12 3 0 0 getty [ 2052] 0 2052 17820 198 38 3 0 0 sshd [ 2054] 0 2054 4380 1 4 2 0 0 syz-executor620 [ 2055] 0 2055 4380 12 4 2 0 0 syz-executor620 [ 2056] 0 2056 4380 12 4 2 0 0 syz-executor620 [ 2057] 0 2057 4380 0 5 2 0 1000 syz-executor620 [ 2058] 0 2058 4380 12 4 2 0 0 syz-executor620 [ 2059] 0 2059 4380 12 4 2 0 0 syz-executor620 [ 2060] 0 2060 4380 12 4 2 0 0 syz-executor620 [ 2061] 0 2061 4380 12 4 2 0 0 syz-executor620 [ 2062] 0 2062 4380 0 5 2 0 1000 syz-executor620 [ 2063] 0 2063 4380 0 5 2 0 1000 syz-executor620 [<00000000c2a7efe1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000c2a7efe1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 oom_reaper: reaped process 2065 (syz-executor620), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB Normal free:5460kB min:5580kB low:9168kB high:12756kB active_anon:12900kB inactive_anon:164kB active_file:32kB inactive_file:84kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17104kB slab_unreclaimable:226960kB kernel_stack:3456kB pagetables:1420kB bounce:0kB free_pcp:152kB local_pcp:152kB free_cma:0kB DMA32: 1*4kB (M) 0*8kB 0*16kB 1*32kB (U) 0*64kB 3*128kB (UM) 3*256kB (UM) 0*512kB 1*1024kB (M) 0*2048kB 4*4096kB (U) = 18596kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5384 178 16 3 0 -1000 udevd [ 589] 0 589 5383 175 15 3 0 -1000 udevd [ 590] 0 590 5383 176 15 3 0 -1000 udevd [ 1757] 0 1757 2492 572 7 3 0 0 dhclient [ 1896] 0 1896 14231 110 23 3 0 0 rsyslogd [ 1951] 0 1951 4724 50 15 3 0 0 cron [ 1963] 0 1963 3734 44 12 3 0 0 mcstransd [ 1979] 0 1979 12489 152 29 3 0 -1000 sshd [ 1997] 0 1997 12926 1226 27 3 0 0 restorecond [ 2027] 0 2027 3648 38 13 3 0 0 getty [ 2046] 0 2046 3648 44 13 3 0 0 getty [ 2047] 0 2047 3648 42 13 3 0 0 getty [ 2048] 0 2048 3648 43 13 3 0 0 getty [ 2049] 0 2049 3648 42 12 3 0 0 getty [ 2050] 0 2050 3648 44 13 3 0 0 getty [ 2051] 0 2051 3648 43 12 3 0 0 getty [ 2052] 0 2052 17820 197 38 3 0 0 sshd [ 2054] 0 2054 4380 1 4 2 0 0 syz-executor620 [ 2055] 0 2055 4380 12 4 2 0 0 syz-executor620 [ 2056] 0 2056 4380 12 4 2 0 0 syz-executor620 [ 2058] 0 2058 4380 12 4 2 0 0 syz-executor620 [ 2059] 0 2059 4380 12 4 2 0 0 syz-executor620 [ 2060] 0 2060 4380 12 4 2 0 0 syz-executor620 CPU: 0 PID: 2066 Comm: syz-executor620 Not tainted 4.9.194+ #0 ffff8801c4547980 ffffffff81b67001 1ffff100388a8f32 dffffc0000000000 ffffffff82aab480 0000000000000000 0000000000400000 ffff8801c4547aa8 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<00000000c2a7efe1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000c2a7efe1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000c3d25e26>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000575da95d>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000575da95d>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<000000008a3c787b>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<000000008a3c787b>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<000000008a3c787b>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000024b2dc1f>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000004ba7c463>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<0000000095382c35>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000f08404a9>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000f08404a9>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000001a338b47>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<000000001a338b47>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000b7c587a1>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000b7c587a1>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000002e7905aa>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000b211f5a8>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000b211f5a8>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 lowmem_reserve[]: 0 3505 3505 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved oom_reaper: reaped process 2067 (syz-executor620), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB Normal: 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-executor620: vmalloc: allocation failure, allocated 1582354432 of 4231929856 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 2068 Comm: syz-executor620 Not tainted 4.9.194+ #0 ffff8801ce647980 ffffffff81b67001 1ffff10039cc8f32 dffffc0000000000 ffffffff82aab480 0000000000000000 0000000000400000 ffff8801ce647aa8 ffffffff815080fc 0000000041b58ab3 ffffffff82e3bc80 ffffffff81431d00 Call Trace: [<00000000c2a7efe1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000c2a7efe1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000c3d25e26>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000575da95d>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000575da95d>] __vmalloc_node_range+0x404/0x610 mm/vmalloc.c:1706 [<000000008a3c787b>] __vmalloc_node mm/vmalloc.c:1755 [inline] [<000000008a3c787b>] __vmalloc_node_flags mm/vmalloc.c:1769 [inline] [<000000008a3c787b>] vmalloc+0x5c/0x70 mm/vmalloc.c:1784 [<0000000024b2dc1f>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000004ba7c463>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<0000000095382c35>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<00000000f08404a9>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000f08404a9>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000001a338b47>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<000000001a338b47>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<00000000b7c587a1>] tcp_setsockopt net/ipv4/tcp.c:2759 [inline] [<00000000b7c587a1>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2753 [<000000002e7905aa>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<00000000b211f5a8>] SYSC_setsockopt net/socket.c:1786 [inline] [<00000000b211f5a8>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 Free swap = 0kB 0 pages HighMem/MovableOnly 313627 pages reserved oom_reaper: reaped process 2068 (syz-executor620), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB lowmemorykiller: Killing 'syz-executor620' (2069) (tgid 2069), adj 1000, to free 48kB on behalf of 'syz-executor620' (2072) because cache 1512kB is below limit 6144kB for oom_score_adj 0 Free memory is -13324kB above reserved Node 0 active_anon:12900kB inactive_anon:164kB active_file:28kB inactive_file:212kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:152kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18612kB min:4696kB low:7712kB high:10728kB active_anon:128kB inactive_anon:0kB active_file:0kB inactive_file:124kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:16kB slab_unreclaimable:108kB kernel_stack:128kB pagetables:80kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB Normal free:5464kB min:5580kB low:9168kB high:12756kB active_anon:12772kB inactive_anon:164kB active_file:28kB inactive_file:88kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17104kB slab_unreclaimable:226100kB kernel_stack:3328kB pagetables:1340kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB DMA32: 19*4kB (UM) 21*8kB (M) 18*16kB (M) 21*32kB (UM) 22*64kB (UM) 5*128kB (M) 4*256kB (UM) 0*512kB 2*1024kB (UM) 0*2048kB 3*4096kB (U) = 18612kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313627 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5384 178 16 3 0 -1000 udevd [ 589] 0 589 5383 175 15 3 0 -1000 udevd [ 590] 0 590 5383 176 15 3 0 -1000 udevd [ 1757] 0 1757 2492 572 7 3 0 0 dhclient [ 1896] 0 1896 14231 110 23 3 0 0 rsyslogd [ 1951] 0 1951 4724 50 15 3 0 0 cron [ 1963] 0 1963 3734 44 12 3 0 0 mcstransd [ 1979] 0 1979 12489 152 29 3 0 -1000 sshd [ 1997] 0 1997 12926 1226 27 3 0 0 restorecond [ 2027] 0 2027 3648 38 13 3 0 0 getty [ 2046] 0 2046 3648 44 13 3 0 0 getty [ 2047] 0 2047 3648 42 13 3 0 0 getty [ 2048] 0 2048 3648 43 13 3 0 0 getty