lowmemorykiller: Killing 'syz-executor633' (2081) (tgid 2081), adj 1000, to free 44kB on behalf of 'syz-executor633' (2090) because cache 34016kB is below limit 65536kB for oom_score_adj 12 Free memory is -13336kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 2090, name: syz-executor633 2 locks held by syz-executor633/2090: #0: (shrinker_rwsem){++++..}, at: [<000000009517590e>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 #1: (rcu_read_lock){......}, at: [<00000000a9ec9162>] lowmem_scan+0x242/0xb50 drivers/staging/android/lowmemorykiller.c:272 Preemption disabled at: [<0000000079c5e4f7>] spin_lock include/linux/spinlock.h:302 [inline] [<0000000079c5e4f7>] task_lock include/linux/sched.h:3217 [inline] [<0000000079c5e4f7>] get_task_mm+0x20/0xc0 kernel/fork.c:1010 CPU: 1 PID: 2090 Comm: syz-executor633 Not tainted 4.9.186+ #10 ffff8801c48a7408 ffffffff81b5a0b1 0000000000000000 0000000000000001 ffff8801cf45df00 ffffffff810d0cc0 ffff8801cf45df00 ffff8801c48a7440 ffffffff8140032c ffff8801cf45df00 ffffffff82a39940 0000000000000387 Call Trace: [<0000000020714e7f>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000020714e7f>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000517388f7>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<000000002f090882>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<00000000c3acdd5d>] mmput+0x28/0x370 kernel/fork.c:903 [<0000000083c11fa7>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<000000008cf6215b>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000c6526f18>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000c6526f18>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<0000000004eef072>] shrink_slab mm/vmscan.c:466 [inline] [<0000000004eef072>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000b38497cc>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000b38497cc>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000b38497cc>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<000000008c115c07>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<000000008c115c07>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<000000008c115c07>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<000000008c115c07>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<000000003beade3d>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000003beade3d>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000003beade3d>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000003beade3d>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<000000003beade3d>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<000000008759161e>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<000000008759161e>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<000000008759161e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000f747132c>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000af58573d>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<00000000af58573d>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000257806fe>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000257806fe>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000006d71d5c4>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<000000006d71d5c4>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<00000000cf15e697>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<00000000cf15e697>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<00000000d35112b2>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000077a918d0>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000077a918d0>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000081e028f0>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000a1b3a343>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb ================================= [ INFO: inconsistent lock state ] 4.9.186+ #10 Tainted: G W --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. syz-executor633/2090 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<00000000e5ca552d>] 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:1601 [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: 498851 hardirqs last enabled at (498851): [<00000000562e92ff>] dump_stack+0x100/0x120 lib/dump_stack.c:56 hardirqs last disabled at (498850): [<0000000096465388>] dump_stack+0x2c/0x120 lib/dump_stack.c:38 softirqs last enabled at (426756): [<00000000a455d358>] __do_softirq+0x474/0x964 kernel/softirq.c:314 softirqs last disabled at (426749): [<000000000819a2db>] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (426749): [<000000000819a2db>] 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 *** 3 locks held by syz-executor633/2090: #0: (shrinker_rwsem){++++..}, at: [<000000009517590e>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 #1: (rcu_read_lock){......}, at: [<00000000a9ec9162>] lowmem_scan+0x242/0xb50 drivers/staging/android/lowmemorykiller.c:272 #2: (lmk_event_lock){+.+.-.}, at: [<000000004e8c6fef>] spin_lock include/linux/spinlock.h:302 [inline] #2: (lmk_event_lock){+.+.-.}, at: [<000000004e8c6fef>] handle_lmk_event+0xfb/0x8a0 drivers/staging/android/lowmemorykiller.c:114 stack backtrace: CPU: 1 PID: 2090 Comm: syz-executor633 Tainted: G W 4.9.186+ #10 ffff8801c48a7150 ffffffff81b5a0b1 00000000000000f0 ffff8801cf45df00 ffffffff83caf760 ffff8801cf45e848 ffffffff84250ec0 ffff8801c48a71c8 ffffffff81406d69 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<0000000020714e7f>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000020714e7f>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000dab8295d>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<00000000dab8295d>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<0000000009651204>] valid_state kernel/locking/lockdep.c:2400 [inline] [<0000000009651204>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<0000000009651204>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<000000002892d1cf>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<000000002892d1cf>] __lock_acquire+0x5c3/0x4350 kernel/locking/lockdep.c:3302 [<0000000053e4514d>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<00000000d1e9db23>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<00000000e5ca552d>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<00000000fe1ceb8a>] handle_lmk_event+0x13c/0x8a0 drivers/staging/android/lowmemorykiller.c:128 [<000000008cf6215b>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000c6526f18>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000c6526f18>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<0000000004eef072>] shrink_slab mm/vmscan.c:466 [inline] [<0000000004eef072>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000b38497cc>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000b38497cc>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000b38497cc>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<000000008c115c07>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<000000008c115c07>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<000000008c115c07>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<000000008c115c07>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<000000003beade3d>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000003beade3d>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000003beade3d>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000003beade3d>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<000000003beade3d>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<000000008759161e>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<000000008759161e>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<000000008759161e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000f747132c>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000af58573d>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<00000000af58573d>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000257806fe>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000257806fe>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000006d71d5c4>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<000000006d71d5c4>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<00000000cf15e697>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<00000000cf15e697>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<00000000d35112b2>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000077a918d0>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000077a918d0>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000081e028f0>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000a1b3a343>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb oom_reaper: reaped process 2081 (syz-executor633), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor633 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2088 Comm: syz-executor633 Tainted: G W 4.9.186+ #10 ffff8801ce7bf730 ffffffff81b5a0b1 ffff8801ce7bfa88 ffffffff833f11f0 00000000000003e8 ffff8801ce7bfaa0 0000000000000000 ffff8801ce7bf7b0 ffffffff815054bb 0000000000000000 00000000000003e8 ffffffff8281c2a5 Call Trace: [<0000000020714e7f>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000020714e7f>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000002c3dd349>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<0000000096631340>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<0000000054e3c2d3>] out_of_memory mm/oom_kill.c:1069 [inline] [<0000000054e3c2d3>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000417b8d3f>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000417b8d3f>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000417b8d3f>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<000000003beade3d>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000003beade3d>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000003beade3d>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000003beade3d>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<000000003beade3d>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<000000008759161e>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<000000008759161e>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<000000008759161e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000f747132c>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000af58573d>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<00000000af58573d>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000257806fe>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000257806fe>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000006d71d5c4>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<000000006d71d5c4>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<00000000cf15e697>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<00000000cf15e697>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<00000000d35112b2>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000077a918d0>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000077a918d0>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000081e028f0>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000a1b3a343>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3232 inactive_anon:40 isolated_anon:0 active_file:16 inactive_file:37 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4265 slab_unreclaimable:56781 mapped:16 shmem:48 pagetables:359 bounce:0 free:6041 free_pcp:39 free_cma:0 Node 0 active_anon:12928kB inactive_anon:160kB active_file:64kB inactive_file:148kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18716kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:5448kB min:5580kB low:9168kB high:12756kB active_anon:12928kB inactive_anon:160kB active_file:64kB inactive_file:148kB unevictable:0kB writepending:104kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17060kB slab_unreclaimable:227124kB kernel_stack:3456kB pagetables:1436kB bounce:0kB free_pcp:156kB local_pcp:156kB free_cma:0kB DMA32: 3*4kB (UM) 3*8kB (M) 2*16kB (M) 2*32kB (UM) 3*64kB (UM) 4*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18756kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5384 186 17 3 0 -1000 udevd [ 599] 0 599 5383 178 16 3 0 -1000 udevd [ 600] 0 600 5376 179 16 3 0 -1000 udevd [ 1775] 0 1775 2492 572 8 3 0 0 dhclient [ 1914] 0 1914 14264 109 23 3 0 0 rsyslogd [ 1962] 0 1962 4724 50 15 3 0 0 cron [ 1987] 0 1987 3734 44 12 3 0 0 mcstransd [ 1997] 0 1997 12489 153 27 4 0 -1000 sshd [ 2015] 0 2015 12926 1228 27 4 0 0 restorecond [ 2045] 0 2045 3648 41 13 3 0 0 getty [ 2070] 0 2070 3648 42 13 3 0 0 getty [ 2071] 0 2071 3648 43 13 3 0 0 getty [ 2072] 0 2072 3648 44 13 3 0 0 getty [ 2073] 0 2073 3648 43 13 3 0 0 getty [ 2074] 0 2074 3648 44 13 3 0 0 getty [ 2075] 0 2075 3648 42 13 3 0 0 getty [ 2076] 0 2076 17820 198 39 3 0 0 sshd [ 2078] 0 2078 4380 1 4 2 0 0 syz-executor633 [ 2079] 0 2079 4380 11 4 2 0 0 syz-executor633 [ 2080] 0 2080 4380 11 4 2 0 0 syz-executor633 [ 2081] 0 2081 4380 0 5 2 0 1000 syz-executor633 [ 2082] 0 2082 4380 11 4 2 0 0 syz-executor633 [ 2083] 0 2083 4380 11 4 2 0 0 syz-executor633 [ 2084] 0 2084 4380 11 4 2 0 0 syz-executor633 [ 2085] 0 2085 4380 11 4 2 0 0 syz-executor633 [ 2086] 0 2086 4380 11 5 2 0 1000 syz-executor633 [ 2087] 0 2087 4380 11 5 2 0 1000 syz-executor633 [ 2088] 0 2088 4380 11 5 2 0 1000 syz-executor633 [ 2089] 0 2089 4380 11 5 2 0 1000 syz-executor633 [ 2090] 0 2090 4380 11 5 2 0 1000 syz-executor633 Out of memory: Kill process 2086 (syz-executor633) score 999 or sacrifice child Killed process 2086 (syz-executor633) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 2086 (syz-executor633), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor633 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2088 Comm: syz-executor633 Tainted: G W 4.9.186+ #10 ffff8801ce7bf730 ffffffff81b5a0b1 ffff8801ce7bfa88 ffffffff833f11f0 00000000000003e8 ffff8801ce7bfaa0 0000000000000000 ffff8801ce7bf7b0 ffffffff815054bb 0000000000000000 00000000000003e8 ffffffff8281c2a5 Call Trace: [<0000000020714e7f>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000020714e7f>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000002c3dd349>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<0000000096631340>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<0000000054e3c2d3>] out_of_memory mm/oom_kill.c:1069 [inline] [<0000000054e3c2d3>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000417b8d3f>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000417b8d3f>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000417b8d3f>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<000000003beade3d>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000003beade3d>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000003beade3d>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000003beade3d>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<000000003beade3d>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<000000008759161e>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<000000008759161e>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<000000008759161e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000f747132c>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000af58573d>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<00000000af58573d>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000257806fe>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000257806fe>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000006d71d5c4>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<000000006d71d5c4>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<00000000cf15e697>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<00000000cf15e697>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<00000000d35112b2>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000077a918d0>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000077a918d0>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000081e028f0>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000a1b3a343>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3232 inactive_anon:40 isolated_anon:0 active_file:15 inactive_file:27 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4265 slab_unreclaimable:56781 mapped:16 shmem:48 pagetables:359 bounce:0 free:4960 free_pcp:21 free_cma:0 Node 0 active_anon:12928kB inactive_anon:160kB active_file:60kB inactive_file:108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:55 all_unreclaimable? no DMA32 free:18240kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB Normal free:1600kB min:5580kB low:9168kB high:12756kB active_anon:12928kB inactive_anon:160kB active_file:60kB inactive_file:108kB unevictable:0kB writepending:104kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17060kB slab_unreclaimable:227124kB kernel_stack:3456kB pagetables:1436kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 2*4kB (M) 4*8kB (UM) 3*16kB (UM) 2*32kB (UM) 1*64kB (M) 4*128kB (UM) 4*256kB (UM) 2*512kB (UM) 3*1024kB (UM) 2*2048kB (UM) 2*4096kB (M) = 18136kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5384 186 17 3 0 -1000 udevd [ 599] 0 599 5383 178 16 3 0 -1000 udevd [ 600] 0 600 5376 179 16 3 0 -1000 udevd [ 1775] 0 1775 2492 572 8 3 0 0 dhclient [ 1914] 0 1914 14264 109 23 3 0 0 rsyslogd [ 1962] 0 1962 4724 50 15 3 0 0 cron [ 1987] 0 1987 3734 44 12 3 0 0 mcstransd [ 1997] 0 1997 12489 153 27 4 0 -1000 sshd [ 2015] 0 2015 12926 1228 27 4 0 0 restorecond [ 2045] 0 2045 3648 41 13 3 0 0 getty [ 2070] 0 2070 3648 42 13 3 0 0 getty [ 2071] 0 2071 3648 43 13 3 0 0 getty [ 2072] 0 2072 3648 44 13 3 0 0 getty [ 2073] 0 2073 3648 43 13 3 0 0 getty [ 2074] 0 2074 3648 44 13 3 0 0 getty [ 2075] 0 2075 3648 42 13 3 0 0 getty [ 2076] 0 2076 17820 198 39 3 0 0 sshd [ 2078] 0 2078 4380 1 4 2 0 0 syz-executor633 [ 2079] 0 2079 4380 11 4 2 0 0 syz-executor633 [ 2080] 0 2080 4380 11 4 2 0 0 syz-executor633 [ 2081] 0 2081 4380 0 5 2 0 1000 syz-executor633 [ 2082] 0 2082 4380 11 4 2 0 0 syz-executor633 [ 2083] 0 2083 4380 11 4 2 0 0 syz-executor633 [ 2084] 0 2084 4380 11 4 2 0 0 syz-executor633 [ 2085] 0 2085 4380 11 4 2 0 0 syz-executor633 [ 2086] 0 2086 4380 0 5 2 0 1000 syz-executor633 [ 2087] 0 2087 4380 11 5 2 0 1000 syz-executor633 [ 2088] 0 2088 4380 11 5 2 0 1000 syz-executor633 [ 2089] 0 2089 4380 11 5 2 0 1000 syz-executor633 [ 2090] 0 2090 4380 11 5 2 0 1000 syz-executor633 Out of memory: Kill process 2087 (syz-executor633) score 999 or sacrifice child Killed process 2087 (syz-executor633) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB syz-executor633: vmalloc: allocation failure, allocated 1173893120 of 4026605568 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 2086 Comm: syz-executor633 Tainted: G W 4.9.186+ #10 ffff8801ce7ffa08 ffffffff81b5a0b1 1ffff10039cfff43 dffffc0000000000 ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801ce7ffb30 ffffffff81506773 0000000041b58ab3 ffffffff82e3a4c0 ffffffff81430350 Call Trace: [<0000000020714e7f>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000020714e7f>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000003af6660a>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<000000008df1991c>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<000000008df1991c>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<000000008759161e>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<000000008759161e>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<000000008759161e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000f747132c>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000af58573d>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<00000000af58573d>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000257806fe>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000257806fe>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000006d71d5c4>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<000000006d71d5c4>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<00000000cf15e697>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<00000000cf15e697>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<00000000d35112b2>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000077a918d0>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000077a918d0>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000081e028f0>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000a1b3a343>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3232 inactive_anon:40 isolated_anon:0 active_file:15 inactive_file:27 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4265 slab_unreclaimable:56781 mapped:16 shmem:48 pagetables:359 bounce:0 free:406 free_pcp:0 free_cma:0 Node 0 active_anon:12928kB inactive_anon:160kB active_file:60kB inactive_file:108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? no DMA32 free:24kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:1600kB min:5580kB low:9168kB high:12756kB active_anon:12928kB inactive_anon:160kB active_file:60kB inactive_file:108kB unevictable:0kB writepending:104kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17060kB slab_unreclaimable:227124kB kernel_stack:3456kB pagetables:1436kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved syz-executor633: vmalloc: allocation failure, allocated 1144262656 of 4026605568 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2081 Comm: syz-executor633 Tainted: G W 4.9.186+ #10 ffff8801cdc67a08 ffffffff81b5a0b1 1ffff10039b8cf43 dffffc0000000000 ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801cdc67b30 ffffffff81506773 0000000041b58ab3 ffffffff82e3a4c0 ffffffff81430350 Call Trace: [<0000000020714e7f>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000020714e7f>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000003af6660a>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<000000008df1991c>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<000000008df1991c>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<000000008759161e>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<000000008759161e>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<000000008759161e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000f747132c>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000af58573d>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<00000000af58573d>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000257806fe>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000257806fe>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000006d71d5c4>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<000000006d71d5c4>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<00000000cf15e697>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<00000000cf15e697>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<00000000d35112b2>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000077a918d0>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000077a918d0>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000081e028f0>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000a1b3a343>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3232 inactive_anon:40 isolated_anon:0 active_file:15 inactive_file:27 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4265 slab_unreclaimable:56781 mapped:16 shmem:48 pagetables:359 bounce:0 free:406 free_pcp:0 free_cma:0 Node 0 active_anon:12928kB inactive_anon:160kB active_file:60kB inactive_file:108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? no DMA32 free:24kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:1600kB min:5580kB low:9168kB high:12756kB active_anon:12928kB inactive_anon:160kB active_file:60kB inactive_file:108kB unevictable:0kB writepending:104kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17060kB slab_unreclaimable:227124kB kernel_stack:3456kB pagetables:1436kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved syz-executor633: vmalloc: allocation failure, allocated 1078222848 of 4026605568 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2087 Comm: syz-executor633 Tainted: G W 4.9.186+ #10 ffff8801ce7d7a08 ffffffff81b5a0b1 1ffff10039cfaf43 dffffc0000000000 ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801ce7d7b30 ffffffff81506773 0000000041b58ab3 ffffffff82e3a4c0 ffffffff81430350 Call Trace: [<0000000020714e7f>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000020714e7f>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000003af6660a>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<000000008df1991c>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<000000008df1991c>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<000000008759161e>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<000000008759161e>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<000000008759161e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000f747132c>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000af58573d>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<00000000af58573d>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000257806fe>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000257806fe>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000006d71d5c4>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<000000006d71d5c4>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<00000000cf15e697>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<00000000cf15e697>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<00000000d35112b2>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000077a918d0>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000077a918d0>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000081e028f0>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000a1b3a343>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3232 inactive_anon:40 isolated_anon:0 active_file:15 inactive_file:27 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4265 slab_unreclaimable:56781 mapped:16 shmem:48 pagetables:359 bounce:0 free:406 free_pcp:0 free_cma:0 Node 0 active_anon:12928kB inactive_anon:160kB active_file:60kB inactive_file:108kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:64kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? no DMA32 free:24kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:1600kB min:5580kB low:9168kB high:12756kB active_anon:12928kB inactive_anon:160kB active_file:60kB inactive_file:108kB unevictable:0kB writepending:104kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17060kB slab_unreclaimable:227124kB kernel_stack:3456kB pagetables:1436kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved oom_reaper: reaped process 2087 (syz-executor633), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB ODEBUG: Out of memory. ODEBUG disabled lowmemorykiller: Killing 'syz-executor633' (2088) (tgid 2088), adj 1000, to free 44kB on behalf of 'syz-executor633' (2088) because cache 2316kB is below limit 6144kB for oom_score_adj 0 Free memory is -13320kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 2088, name: syz-executor633 INFO: lockdep is turned off. Preemption disabled at: [<0000000079c5e4f7>] spin_lock include/linux/spinlock.h:302 [inline] [<0000000079c5e4f7>] task_lock include/linux/sched.h:3217 [inline] [<0000000079c5e4f7>] get_task_mm+0x20/0xc0 kernel/fork.c:1010 CPU: 0 PID: 2088 Comm: syz-executor633 Tainted: G W 4.9.186+ #10 ffff8801ce7bf408 ffffffff81b5a0b1 0000000000000000 0000000000000001 ffff8801ce6aaf80 ffffffff810d0cc0 ffff8801ce6aaf80 ffff8801ce7bf440 ffffffff8140032c ffff8801ce6aaf80 ffffffff82a39940 0000000000000387 Call Trace: [<0000000020714e7f>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000020714e7f>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000517388f7>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<000000002f090882>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<00000000c3acdd5d>] mmput+0x28/0x370 kernel/fork.c:903 [<0000000083c11fa7>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<000000008cf6215b>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<00000000c6526f18>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000c6526f18>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<0000000004eef072>] shrink_slab mm/vmscan.c:466 [inline] [<0000000004eef072>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000b38497cc>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000b38497cc>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000b38497cc>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<000000008c115c07>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<000000008c115c07>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<000000008c115c07>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<000000008c115c07>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<000000003beade3d>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000003beade3d>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000003beade3d>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000003beade3d>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<000000003beade3d>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<000000008759161e>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<000000008759161e>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<000000008759161e>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000f747132c>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<00000000af58573d>] do_replace net/ipv6/netfilter/ip6_tables.c:1175 [inline] [<00000000af58573d>] do_ip6t_set_ctl+0x231/0x480 net/ipv6/netfilter/ip6_tables.c:1712 [<00000000257806fe>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<00000000257806fe>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<000000006d71d5c4>] ipv6_setsockopt net/ipv6/ipv6_sockglue.c:922 [inline] [<000000006d71d5c4>] ipv6_setsockopt+0x10b/0x140 net/ipv6/ipv6_sockglue.c:906 [<00000000cf15e697>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<00000000cf15e697>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<00000000d35112b2>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000077a918d0>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000077a918d0>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000081e028f0>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000a1b3a343>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb lowmemorykiller: Killing 'syz-executor633' (2088) (tgid 2088), adj 1000, to free 44kB on behalf of 'syz-executor633' (2094) because cache 2316kB is below limit 6144kB for oom_score_adj 0 Free memory is -13396kB above reserved oom_reaper: reaped process 2088 (syz-executor633), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor633 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2093 Comm: syz-executor633 Tainted: G W 4.9.186+ #10 ffff8801bbda7730 ffffffff81b5a0b1 ffff8801bbda7a88 ffffffff833f11f0 00000000000003e8 ffff8801bbda7aa0 0000000000000000 ffff8801bbda77b0 ffffffff815054bb 0000000000000000 00000000000003e8 ffffffff8281c2a5 Call Trace: [<0000000020714e7f>] __dump_stack lib/dump_stack.c:15 [inline] [<0000000020714e7f>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000002c3dd349>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<0000000096631340>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<0000000054e3c2d3>] out_of_memory mm/oom_kill.c:1069 [inline] [<0000000054e3c2d3>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 Mem-Info: Node 0 active_anon:13000kB inactive_anon:160kB active_file:684kB inactive_file:736kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:1456kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 2083] 0 2083 4380 11 4 2 0 0 syz-executor633 [ 2084] 0 2084 4380 11 4 2 0 0 syz-executor633 [<000000002578