Free memory is -13112kB above reserved lowmemorykiller: Killing 'syz-executor983' (2067) (tgid 2067), adj 1000, to free 40kB on behalf of 'syz-executor983' (2074) because cache 33484kB is below limit 65536kB for oom_score_adj 12 Free memory is -13304kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 2074, name: syz-executor983 2 locks held by syz-executor983/2074: #0: (shrinker_rwsem){++++..}, at: [<00000000820669ed>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 #1: (rcu_read_lock){......}, at: [<000000005d288e07>] lowmem_scan+0x242/0xb50 drivers/staging/android/lowmemorykiller.c:272 Preemption disabled at: [<00000000283e376d>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000283e376d>] task_lock include/linux/sched.h:3217 [inline] [<00000000283e376d>] get_task_mm+0x20/0xc0 kernel/fork.c:1010 CPU: 0 PID: 2074 Comm: syz-executor983 Not tainted 4.9.180+ #3 ffff8801ceb5f398 ffffffff81b577f1 0000000000000000 0000000000000001 ffff8801ceb4c740 ffffffff810d0c30 ffff8801ceb4c740 ffff8801ceb5f3d0 ffffffff8140008c ffff8801ceb4c740 ffffffff82a39900 0000000000000387 Call Trace: [<00000000aa927df1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000aa927df1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000e97c3b82>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<00000000e4e49dc5>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<000000003b6a3696>] mmput+0x28/0x370 kernel/fork.c:903 [<00000000e659aa31>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<0000000068aa5595>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<000000008b256fa5>] do_shrink_slab mm/vmscan.c:399 [inline] [<000000008b256fa5>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<0000000093364b6d>] shrink_slab mm/vmscan.c:466 [inline] [<0000000093364b6d>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000ef83f4d5>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000ef83f4d5>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000ef83f4d5>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<0000000091154739>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<0000000091154739>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<0000000091154739>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<0000000091154739>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000b965991b>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000b965991b>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000b965991b>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000b965991b>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000b965991b>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000090601c2c>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000090601c2c>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000090601c2c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000a60c50a4>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000003c837fc7>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<000000003c837fc7>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<000000005dae185e>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005dae185e>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000afc3aa8b>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000afc3aa8b>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000063df2ee3>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2110 [<0000000030de26b6>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<0000000032ff3b6c>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000032ff3b6c>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000076589ade>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000040085d64>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000040085d64>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000003310b95>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c4d94177>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb ================================= [ INFO: inconsistent lock state ] 4.9.180+ #3 Tainted: G W --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. syz-executor983/2074 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<00000000d5fbf08a>] 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:1597 [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: 474581 hardirqs last enabled at (474581): [<000000002e85f3f2>] dump_stack+0x100/0x120 lib/dump_stack.c:56 hardirqs last disabled at (474580): [<00000000e937a408>] dump_stack+0x2c/0x120 lib/dump_stack.c:38 softirqs last enabled at (474318): [<00000000572180fa>] spin_unlock_bh include/linux/spinlock.h:352 [inline] softirqs last enabled at (474318): [<00000000572180fa>] wb_queue_work+0x1ed/0x450 fs/fs-writeback.c:203 softirqs last disabled at (474314): [<00000000f3082a93>] spin_lock_bh include/linux/spinlock.h:307 [inline] softirqs last disabled at (474314): [<00000000f3082a93>] wb_queue_work+0x90/0x450 fs/fs-writeback.c:195 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&mm->mmap_sem); lock(&mm->mmap_sem); *** DEADLOCK *** 3 locks held by syz-executor983/2074: #0: (shrinker_rwsem){++++..}, at: [<00000000820669ed>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 #1: (rcu_read_lock){......}, at: [<000000005d288e07>] lowmem_scan+0x242/0xb50 drivers/staging/android/lowmemorykiller.c:272 #2: (lmk_event_lock){+.+.-.}, at: [<000000009bab9843>] spin_lock include/linux/spinlock.h:302 [inline] #2: (lmk_event_lock){+.+.-.}, at: [<000000009bab9843>] handle_lmk_event+0xfb/0x8a0 drivers/staging/android/lowmemorykiller.c:114 stack backtrace: CPU: 0 PID: 2074 Comm: syz-executor983 Tainted: G W 4.9.180+ #3 ffff8801ceb5f0e0 ffffffff81b577f1 00000000000000f0 ffff8801ceb4c740 ffffffff83cad760 ffff8801ceb4d088 ffffffff8424eec0 ffff8801ceb5f158 ffffffff81406ac9 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<00000000aa927df1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000aa927df1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000dd13b4e7>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<00000000dd13b4e7>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<0000000021289b8d>] valid_state kernel/locking/lockdep.c:2400 [inline] [<0000000021289b8d>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<0000000021289b8d>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<000000003667f466>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<000000003667f466>] __lock_acquire+0x5c3/0x4350 kernel/locking/lockdep.c:3302 [<000000001a162ad4>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<000000009e8ca08e>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<00000000d5fbf08a>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<0000000064001d94>] handle_lmk_event+0x13c/0x8a0 drivers/staging/android/lowmemorykiller.c:128 [<0000000068aa5595>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<000000008b256fa5>] do_shrink_slab mm/vmscan.c:399 [inline] [<000000008b256fa5>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<0000000093364b6d>] shrink_slab mm/vmscan.c:466 [inline] [<0000000093364b6d>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000ef83f4d5>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000ef83f4d5>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000ef83f4d5>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<0000000091154739>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<0000000091154739>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<0000000091154739>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<0000000091154739>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000b965991b>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000b965991b>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000b965991b>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000b965991b>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000b965991b>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000090601c2c>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000090601c2c>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000090601c2c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000a60c50a4>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000003c837fc7>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<000000003c837fc7>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<000000005dae185e>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005dae185e>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000afc3aa8b>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000afc3aa8b>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000063df2ee3>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2110 [<0000000030de26b6>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<0000000032ff3b6c>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000032ff3b6c>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000076589ade>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000040085d64>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000040085d64>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000003310b95>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c4d94177>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb lowmemorykiller: Killing 'syz-executor983' (2067) (tgid 2067), adj 1000, to free 40kB on behalf of 'syz-executor983' (2075) because cache 28100kB is below limit 65536kB for oom_score_adj 12 Free memory is -13388kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 2075, name: syz-executor983 INFO: lockdep is turned off. Preemption disabled at: [<00000000283e376d>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000283e376d>] task_lock include/linux/sched.h:3217 [inline] [<00000000283e376d>] get_task_mm+0x20/0xc0 kernel/fork.c:1010 CPU: 0 PID: 2075 Comm: syz-executor983 Tainted: G W 4.9.180+ #3 ffff8801c482f398 ffffffff81b577f1 0000000000000000 0000000000000001 ffff8801d1e397c0 ffffffff810d0c30 ffff8801d1e397c0 ffff8801c482f3d0 ffffffff8140008c ffff8801d1e397c0 ffffffff82a39900 0000000000000387 Call Trace: [<00000000aa927df1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000aa927df1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000e97c3b82>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<00000000e4e49dc5>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<000000003b6a3696>] mmput+0x28/0x370 kernel/fork.c:903 [<00000000e659aa31>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<0000000068aa5595>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<000000008b256fa5>] do_shrink_slab mm/vmscan.c:399 [inline] [<000000008b256fa5>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<0000000093364b6d>] shrink_slab mm/vmscan.c:466 [inline] [<0000000093364b6d>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000ef83f4d5>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000ef83f4d5>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000ef83f4d5>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<0000000091154739>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<0000000091154739>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<0000000091154739>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<0000000091154739>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000b965991b>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000b965991b>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000b965991b>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000b965991b>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000b965991b>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000090601c2c>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000090601c2c>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000090601c2c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000a60c50a4>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000003c837fc7>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<000000003c837fc7>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<000000005dae185e>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005dae185e>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000afc3aa8b>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000afc3aa8b>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000063df2ee3>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2110 [<0000000030de26b6>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<0000000032ff3b6c>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000032ff3b6c>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000076589ade>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000040085d64>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000040085d64>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000003310b95>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c4d94177>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb lowmemorykiller: Killing 'syz-executor983' (2067) (tgid 2067), adj 1000, to free 40kB on behalf of 'syz-executor983' (2073) because cache 28100kB is below limit 65536kB for oom_score_adj 12 Free memory is -13388kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 2073, name: syz-executor983 INFO: lockdep is turned off. Preemption disabled at: [<00000000283e376d>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000283e376d>] task_lock include/linux/sched.h:3217 [inline] [<00000000283e376d>] get_task_mm+0x20/0xc0 kernel/fork.c:1010 CPU: 0 PID: 2073 Comm: syz-executor983 Tainted: G W 4.9.180+ #3 ffff8801cdc07398 ffffffff81b577f1 0000000000000000 0000000000000001 ffff8801ceb4af80 ffffffff810d0c30 ffff8801ceb4af80 ffff8801cdc073d0 ffffffff8140008c ffff8801ceb4af80 ffffffff82a39900 0000000000000387 Call Trace: [<00000000aa927df1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000aa927df1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000e97c3b82>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<00000000e4e49dc5>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<000000003b6a3696>] mmput+0x28/0x370 kernel/fork.c:903 [<00000000e659aa31>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<0000000068aa5595>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<000000008b256fa5>] do_shrink_slab mm/vmscan.c:399 [inline] [<000000008b256fa5>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<0000000093364b6d>] shrink_slab mm/vmscan.c:466 [inline] [<0000000093364b6d>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000ef83f4d5>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000ef83f4d5>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000ef83f4d5>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<0000000091154739>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<0000000091154739>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<0000000091154739>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<0000000091154739>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000b965991b>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000b965991b>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000b965991b>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000b965991b>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000b965991b>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000090601c2c>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000090601c2c>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000090601c2c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000a60c50a4>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000003c837fc7>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<000000003c837fc7>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<000000005dae185e>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005dae185e>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000afc3aa8b>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000afc3aa8b>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000063df2ee3>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2110 [<0000000030de26b6>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<0000000032ff3b6c>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000032ff3b6c>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000076589ade>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000040085d64>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000040085d64>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000003310b95>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c4d94177>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb oom_reaper: reaped process 2067 (syz-executor983), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor983: vmalloc: allocation failure, allocated 1246629888 of 4280614912 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 2067 Comm: syz-executor983 Tainted: G W 4.9.180+ #3 ffff8801ced9f998 ffffffff81b577f1 1ffff10039db3f35 dffffc0000000000 ffffffff82aaa7c0 0000000000000000 0000000000400000 ffff8801ced9fac0 ffffffff81506433 0000000041b58ab3 ffffffff82e39a10 ffffffff814300e0 Call Trace: [<00000000aa927df1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000aa927df1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000041b33d0e>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000719fa5df>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000719fa5df>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<0000000090601c2c>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000090601c2c>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000090601c2c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000a60c50a4>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000003c837fc7>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<000000003c837fc7>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<000000005dae185e>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005dae185e>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000afc3aa8b>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000afc3aa8b>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000063df2ee3>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2110 [<0000000030de26b6>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<0000000032ff3b6c>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000032ff3b6c>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000076589ade>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000040085d64>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000040085d64>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000003310b95>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c4d94177>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb syz-executor983 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 2075 Comm: syz-executor983 Tainted: G W 4.9.180+ #3 ffff8801c482f6c0 ffffffff81b577f1 ffff8801c482fa18 ffffffff833f0970 00000000000003e8 ffff8801c482fa30 0000000000000000 ffff8801c482f740 ffffffff8150517b 0000000000000000 00000000000003e8 ffffffff82818fe5 Call Trace: [<00000000aa927df1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000aa927df1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000003851cb3a>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000879ee659>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<0000000054291341>] out_of_memory mm/oom_kill.c:1069 [inline] [<0000000054291341>] out_of_memory+0x29b/0xeb0 mm/oom_kill.c:1009 [<00000000ee50c741>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000ee50c741>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000ee50c741>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<00000000b965991b>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000b965991b>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000b965991b>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000b965991b>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000b965991b>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000090601c2c>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000090601c2c>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000090601c2c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000a60c50a4>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000003c837fc7>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<000000003c837fc7>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<000000005dae185e>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005dae185e>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000afc3aa8b>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000afc3aa8b>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000063df2ee3>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2110 [<0000000030de26b6>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<0000000032ff3b6c>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000032ff3b6c>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000076589ade>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000040085d64>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000040085d64>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000003310b95>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c4d94177>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3230 inactive_anon:42 isolated_anon:0 active_file:2546 inactive_file:4409 isolated_file:64 unevictable:0 dirty:4659 writeback:0 unstable:0 slab_reclaimable:4248 slab_unreclaimable:56910 mapped:1867 shmem:48 pagetables:357 bounce:0 free:180 free_pcp:38 free_cma:0 Node 0 active_anon:12920kB inactive_anon:168kB active_file:10184kB inactive_file:17636kB unevictable:0kB isolated(anon):0kB isolated(file):256kB mapped:7468kB dirty:18636kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1537474 all_unreclaimable? no DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed: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:720kB min:5580kB low:9168kB high:12756kB active_anon:12920kB inactive_anon:168kB active_file:10184kB inactive_file:17636kB unevictable:0kB writepending:18636kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16992kB slab_unreclaimable:227640kB kernel_stack:3456kB pagetables:1428kB bounce:0kB free_pcp:152kB local_pcp:32kB free_cma:0kB DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5384 649 16 3 0 -1000 udevd [ 583] 0 583 5383 578 15 3 0 -1000 udevd [ 584] 0 584 5383 579 15 3 0 -1000 udevd [ 1757] 0 1757 2492 796 8 3 0 0 dhclient [ 1888] 0 1888 14264 705 24 3 0 0 rsyslogd [ 1943] 0 1943 4724 521 15 3 0 0 cron [ 1961] 0 1961 3734 44 11 3 0 0 mcstransd [ 1971] 0 1971 12489 869 29 3 0 -1000 sshd [ 1980] 0 1980 12926 1228 27 3 0 0 restorecond [ 2019] 0 2019 3648 436 12 3 0 0 getty [ 2053] 0 2053 3648 445 13 3 0 0 getty [ 2054] 0 2054 3648 448 12 3 0 0 getty [ 2055] 0 2055 3648 445 12 3 0 0 getty [ 2056] 0 2056 3648 425 12 3 0 0 getty [ 2057] 0 2057 3648 441 13 3 0 0 getty [ 2058] 0 2058 3648 449 13 3 0 0 getty [ 2062] 0 2062 17820 1361 41 3 0 0 sshd [ 2064] 0 2064 4380 1 4 2 0 0 syz-executor983 [ 2065] 0 2065 4380 10 4 2 0 0 syz-executor983 [ 2066] 0 2066 4380 10 4 2 0 0 syz-executor983 [ 2067] 0 2067 4380 0 5 2 0 1000 syz-executor983 [ 2068] 0 2068 4380 10 4 2 0 0 syz-executor983 [ 2069] 0 2069 4380 10 4 2 0 0 syz-executor983 [ 2070] 0 2070 4380 10 4 2 0 0 syz-executor983 [ 2071] 0 2071 4380 10 4 2 0 0 syz-executor983 [ 2072] 0 2072 4380 10 5 2 0 1000 syz-executor983 [ 2073] 0 2073 4380 10 5 2 0 1000 syz-executor983 [ 2074] 0 2074 4380 10 5 2 0 1000 syz-executor983 [ 2075] 0 2075 4380 10 5 2 0 1000 syz-executor983 [ 2076] 0 2076 4380 10 5 2 0 1000 syz-executor983 Out of memory: Kill process 2072 (syz-executor983) score 999 or sacrifice child Killed process 2072 (syz-executor983) total-vm:17520kB, anon-rss:40kB, file-rss:0kB, shmem-rss:0kB Mem-Info: active_anon:3230 inactive_anon:42 isolated_anon:0 active_file:2546 inactive_file:4409 isolated_file:64 unevictable:0 dirty:4659 writeback:0 unstable:0 slab_reclaimable:4248 slab_unreclaimable:56910 mapped:1867 shmem:48 pagetables:357 bounce:0 free:180 free_pcp:38 free_cma:0 Node 0 active_anon:12920kB inactive_anon:168kB active_file:10184kB inactive_file:17636kB unevictable:0kB isolated(anon):0kB isolated(file):256kB mapped:7468kB dirty:18636kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1537474 all_unreclaimable? no DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed: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:720kB min:5580kB low:9168kB high:12756kB active_anon:12920kB inactive_anon:168kB active_file:10184kB inactive_file:17636kB unevictable:0kB writepending:18636kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16992kB slab_unreclaimable:227640kB kernel_stack:3456kB pagetables:1428kB bounce:0kB free_pcp:152kB local_pcp:32kB free_cma:0kB DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved oom_reaper: reaped process 2072 (syz-executor983), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor983: vmalloc: allocation failure, allocated 1180024832 of 4280614912 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2072 Comm: syz-executor983 Tainted: G W 4.9.180+ #3 ffff8801cdc67998 ffffffff81b577f1 1ffff10039b8cf35 dffffc0000000000 ffffffff82aaa7c0 0000000000000000 0000000000400000 ffff8801cdc67ac0 ffffffff81506433 0000000041b58ab3 ffffffff82e39a10 ffffffff814300e0 Call Trace: [<00000000aa927df1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000aa927df1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000041b33d0e>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000719fa5df>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000719fa5df>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<0000000090601c2c>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000090601c2c>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000090601c2c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000a60c50a4>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000003c837fc7>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<000000003c837fc7>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<000000005dae185e>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005dae185e>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000afc3aa8b>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000afc3aa8b>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000063df2ee3>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2110 [<0000000030de26b6>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<0000000032ff3b6c>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000032ff3b6c>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000076589ade>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000040085d64>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000040085d64>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000003310b95>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c4d94177>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3230 inactive_anon:42 isolated_anon:0 active_file:2546 inactive_file:4452 isolated_file:0 unevictable:0 dirty:4659 writeback:0 unstable:0 slab_reclaimable:4248 slab_unreclaimable:56910 mapped:1867 shmem:48 pagetables:357 bounce:0 free:180 free_pcp:16 free_cma:0 Node 0 active_anon:12920kB inactive_anon:168kB active_file:10184kB inactive_file:17808kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:7468kB dirty:18636kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1554312 all_unreclaimable? no DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed: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:720kB min:5580kB low:9168kB high:12756kB active_anon:12920kB inactive_anon:168kB active_file:10184kB inactive_file:17808kB unevictable:0kB writepending:18636kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16992kB slab_unreclaimable:227640kB kernel_stack:3456kB pagetables:1428kB bounce:0kB free_pcp:64kB 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 ODEBUG: Out of memory. ODEBUG disabled lowmemorykiller: Killing 'syz-executor983' (2073) (tgid 2073), adj 1000, to free 40kB on behalf of 'syz-executor983' (2073) because cache 23508kB is below limit 65536kB for oom_score_adj 12 Free memory is -13268kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 2073, name: syz-executor983 INFO: lockdep is turned off. Preemption disabled at: [<00000000283e376d>] spin_lock include/linux/spinlock.h:302 [inline] [<00000000283e376d>] task_lock include/linux/sched.h:3217 [inline] [<00000000283e376d>] get_task_mm+0x20/0xc0 kernel/fork.c:1010 CPU: 1 PID: 2073 Comm: syz-executor983 Tainted: G W 4.9.180+ #3 ffff8801cdc07398 ffffffff81b577f1 0000000000000000 0000000000000001 ffff8801ceb4af80 ffffffff810d0c30 ffff8801ceb4af80 ffff8801cdc073d0 ffffffff8140008c ffff8801ceb4af80 ffffffff82a39900 0000000000000387 Call Trace: [<00000000aa927df1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000aa927df1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000e97c3b82>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<00000000e4e49dc5>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<000000003b6a3696>] mmput+0x28/0x370 kernel/fork.c:903 [<00000000e659aa31>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<0000000068aa5595>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<000000008b256fa5>] do_shrink_slab mm/vmscan.c:399 [inline] [<000000008b256fa5>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<0000000093364b6d>] shrink_slab mm/vmscan.c:466 [inline] [<0000000093364b6d>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000ef83f4d5>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000ef83f4d5>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000ef83f4d5>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<0000000091154739>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<0000000091154739>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<0000000091154739>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<0000000091154739>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<00000000b965991b>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000b965991b>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000b965991b>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000b965991b>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000b965991b>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000090601c2c>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000090601c2c>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000090601c2c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000a60c50a4>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000003c837fc7>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<000000003c837fc7>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<000000005dae185e>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005dae185e>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000afc3aa8b>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000afc3aa8b>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000063df2ee3>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2110 [<0000000030de26b6>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<0000000032ff3b6c>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000032ff3b6c>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000076589ade>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000040085d64>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000040085d64>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000003310b95>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c4d94177>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb lowmemorykiller: Killing 'syz-executor983' (2073) (tgid 2073), adj 1000, to free 40kB on behalf of 'syz-executor983' (2084) because cache 26008kB is below limit 65536kB for oom_score_adj 12 Free memory is -13244kB above reserved oom_reaper: reaped process 2073 (syz-executor983), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor983 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 2085 Comm: syz-executor983 Tainted: G W 4.9.180+ #3 ffff8801cdc676c0 ffffffff81b577f1 ffff8801cdc67a18 ffffffff833f0970 00000000000003e8 ffff8801cdc67a30 0000000000000000 ffff8801cdc67740 ffffffff8150517b 0000000000000000 00000000000003e8 ffffffff82818fe5 Call Trace: [<00000000aa927df1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000aa927df1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000003851cb3a>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000879ee659>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<0000000054291341>] out_of_memory mm/oom_kill.c:1069 [inline] [<0000000054291341>] out_of_memory+0x29b/0xeb0 mm/oom_kill.c:1009 [<00000000ee50c741>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000ee50c741>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000ee50c741>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<00000000b965991b>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000b965991b>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000b965991b>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000b965991b>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000b965991b>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000090601c2c>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000090601c2c>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000090601c2c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000a60c50a4>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000003c837fc7>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<000000003c837fc7>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<000000005dae185e>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005dae185e>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000afc3aa8b>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000afc3aa8b>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000063df2ee3>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2110 [<0000000030de26b6>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<0000000032ff3b6c>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000032ff3b6c>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000076589ade>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000040085d64>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000040085d64>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000003310b95>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c4d94177>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3024 inactive_anon:42 isolated_anon:0 active_file:11 inactive_file:37 isolated_file:0 unevictable:0 dirty:0 writeback:3 unstable:0 slab_reclaimable:4254 slab_unreclaimable:56919 mapped:37 shmem:48 pagetables:342 bounce:0 free:4077 free_pcp:24 free_cma:0 Node 0 active_anon:12096kB inactive_anon:168kB active_file:44kB inactive_file:148kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:148kB dirty:0kB writeback:12kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:14424kB 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:20kB local_pcp:0kB free_cma:0kB Normal free:1884kB min:5580kB low:9168kB high:12756kB active_anon:12096kB inactive_anon:168kB active_file:44kB inactive_file:148kB unevictable:0kB writepending:12kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17016kB slab_unreclaimable:227676kB kernel_stack:3456kB pagetables:1368kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 1*4kB (M) 1*8kB (M) 1*16kB (U) 0*32kB 1*64kB (M) 3*128kB (UM) 2*256kB (M) 0*512kB 1*1024kB (M) 0*2048kB 3*4096kB (U) = 14300kB 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 178 16 3 0 -1000 udevd [ 583] 0 583 5383 178 15 3 0 -1000 udevd [ 584] 0 584 5383 179 15 3 0 -1000 udevd [ 1757] 0 1757 2492 574 8 3 0 0 dhclient [ 1888] 0 1888 14264 109 24 3 0 0 rsyslogd [ 1943] 0 1943 4724 52 15 3 0 0 cron [ 1961] 0 1961 3734 44 11 3 0 0 mcstransd [ 1971] 0 1971 12489 153 29 3 0 -1000 sshd [ 1980] 0 1980 12926 1228 27 3 0 0 restorecond [ 2019] 0 2019 3648 39 12 3 0 0 getty [ 2062] 0 2062 17820 198 41 3 0 0 sshd [ 2064] 0 2064 4380 1 4 2 0 0 syz-executor983 [ 2065] 0 2065 4380 10 4 2 0 0 syz-executor983 [ 2066] 0 2066 4380 10 4 2 0 0 syz-executor983 [ 2068] 0 2068 4380 10 4 2 0 0 syz-executor983 [ 2069] 0 2069 4380 10 4 2 0 0 syz-executor983 [ 2070] 0 2070 4380 10 4 2 0 0 syz-executor983 [ 2071] 0 2071 4380 10 4 2 0 0 syz-executor983 [ 2073] 0 2073 4380 0 5 2 0 1000 syz-executor983 [ 2074] 0 2074 4380 10 5 2 0 1000 syz-executor983 [ 2075] 0 2075 4380 10 5 2 0 1000 syz-executor983 [ 2076] 0 2076 4380 10 5 2 0 1000 syz-executor983 [ 2078] 0 2078 2666 33 10 3 0 0 init [ 2079] 0 2079 2666 33 10 3 0 0 init [ 2080] 0 2080 2666 33 10 3 0 0 init [ 2081] 0 2081 2666 33 10 3 0 0 init [ 2082] 0 2082 2666 33 10 3 0 0 init [ 2083] 0 2083 2666 33 10 3 0 0 init [ 2084] 0 2084 4380 10 5 2 0 1000 syz-executor983 [ 2085] 0 2085 4380 10 5 2 0 1000 syz-executor983 Out of memory: Kill process 2074 (syz-executor983) score 999 or sacrifice child Killed process 2074 (syz-executor983) total-vm:17520kB, anon-rss:40kB, file-rss:0kB, shmem-rss:0kB syz-executor983: vmalloc: allocation failure, allocated 1071460352 of 4280614912 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2073 Comm: syz-executor983 Tainted: G W 4.9.180+ #3 ffff8801cdc07998 ffffffff81b577f1 1ffff10039b80f35 dffffc0000000000 ffffffff82aaa7c0 0000000000000000 0000000000400000 ffff8801cdc07ac0 ffffffff81506433 0000000041b58ab3 ffffffff82e39a10 ffffffff814300e0 Call Trace: [<00000000aa927df1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000aa927df1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000041b33d0e>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000719fa5df>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000719fa5df>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<0000000090601c2c>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000090601c2c>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000090601c2c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000a60c50a4>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000003c837fc7>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<000000003c837fc7>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<000000005dae185e>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005dae185e>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000afc3aa8b>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000afc3aa8b>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000063df2ee3>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2110 [<0000000030de26b6>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<0000000032ff3b6c>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000032ff3b6c>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000076589ade>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000040085d64>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000040085d64>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000003310b95>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c4d94177>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3024 inactive_anon:42 isolated_anon:0 active_file:11 inactive_file:37 isolated_file:0 unevictable:0 dirty:0 writeback:3 unstable:0 slab_reclaimable:4254 slab_unreclaimable:56919 mapped:37 shmem:48 pagetables:342 bounce:0 free:473 free_pcp:0 free_cma:0 Node 0 active_anon:12096kB inactive_anon:168kB active_file:44kB inactive_file:148kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:148kB dirty:0kB writeback:12kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:8kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed: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:1884kB min:5580kB low:9168kB high:12756kB active_anon:12096kB inactive_anon:168kB active_file:44kB inactive_file:148kB unevictable:0kB writepending:12kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17016kB slab_unreclaimable:227676kB kernel_stack:3456kB pagetables:1368kB 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 2074 (syz-executor983), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor983: vmalloc: allocation failure, allocated 1328066560 of 4280614912 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2074 Comm: syz-executor983 Tainted: G W 4.9.180+ #3 ffff8801ceb5f998 ffffffff81b577f1 1ffff10039d6bf35 dffffc0000000000 ffffffff82aaa7c0 0000000000000000 0000000000400000 ffff8801ceb5fac0 ffffffff81506433 0000000041b58ab3 ffffffff82e39a10 ffffffff814300e0 Call Trace: [<00000000aa927df1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000aa927df1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000041b33d0e>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000719fa5df>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000719fa5df>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<0000000090601c2c>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000090601c2c>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000090601c2c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000a60c50a4>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000003c837fc7>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<000000003c837fc7>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<000000005dae185e>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005dae185e>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000afc3aa8b>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000afc3aa8b>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000063df2ee3>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2110 [<0000000030de26b6>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<0000000032ff3b6c>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000032ff3b6c>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000076589ade>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000040085d64>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000040085d64>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000003310b95>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c4d94177>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3024 inactive_anon:42 isolated_anon:0 active_file:36 inactive_file:20 isolated_file:10 unevictable:0 dirty:0 writeback:3 unstable:0 slab_reclaimable:4254 slab_unreclaimable:56919 mapped:37 shmem:48 pagetables:342 bounce:0 free:551 free_pcp:180 free_cma:0 Node 0 active_anon:12096kB inactive_anon:168kB active_file:144kB inactive_file:80kB unevictable:0kB isolated(anon):0kB isolated(file):40kB mapped:148kB dirty:0kB writeback:12kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:8kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:720kB local_pcp:632kB free_cma:0kB Normal free:2196kB min:5580kB low:9168kB high:12756kB active_anon:12096kB inactive_anon:168kB active_file:36kB inactive_file:108kB unevictable:0kB writepending:12kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17016kB slab_unreclaimable:227676kB kernel_stack:3424kB pagetables:1368kB 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 lowmemorykiller: Killing 'syz-executor983' (2075) (tgid 2075), adj 1000, to free 40kB on behalf of 'syz-executor983' (2076) because cache 376kB is below limit 6144kB for oom_score_adj 0 Free memory is -13476kB above reserved lowmemorykiller: Killing 'syz-executor983' (2075) (tgid 2075), adj 1000, to free 40kB on behalf of 'syz-executor983' (2075) because cache 376kB is below limit 6144kB for oom_score_adj 0 Free memory is -13476kB above reserved oom_reaper: reaped process 2075 (syz-executor983), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor983: vmalloc: allocation failure, allocated 1639825408 of 4280614912 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2075 Comm: syz-executor983 Tainted: G W 4.9.180+ #3 ffff8801c482f998 ffffffff81b577f1 1ffff10038905f35 dffffc0000000000 ffffffff82aaa7c0 0000000000000000 0000000000400000 ffff8801c482fac0 ffffffff81506433 0000000041b58ab3 ffffffff82e39a10 ffffffff814300e0 Call Trace: [<00000000aa927df1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000aa927df1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000041b33d0e>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000719fa5df>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000719fa5df>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<0000000090601c2c>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000090601c2c>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000090601c2c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000a60c50a4>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000003c837fc7>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<000000003c837fc7>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<000000005dae185e>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005dae185e>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000afc3aa8b>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000afc3aa8b>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000063df2ee3>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2110 [<0000000030de26b6>] ipv6_setsockopt+0xa4/0x140 net/ipv6/ipv6_sockglue.c:912 [<0000000032ff3b6c>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000032ff3b6c>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<0000000076589ade>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<0000000040085d64>] SYSC_setsockopt net/socket.c:1786 [inline] [<0000000040085d64>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<0000000003310b95>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c4d94177>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3034 inactive_anon:42 isolated_anon:0 active_file:10 inactive_file:20 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4259 slab_unreclaimable:56753 mapped:15 shmem:48 pagetables:339 bounce:0 free:550 free_pcp:8 free_cma:0 Node 0 active_anon:12136kB inactive_anon:168kB active_file:40kB inactive_file:80kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:60kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:96 all_unreclaimable? no DMA32 free:80kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:36kB inactive_file:116kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:20kB slab_unreclaimable:32kB kernel_stack:64kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:2120kB min:5580kB low:9168kB high:12756kB active_anon:12120kB inactive_anon:168kB active_file:40kB inactive_file:64kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17016kB slab_unreclaimable:226980kB kernel_stack:3392kB pagetables:1352kB bounce:0kB free_pcp:32kB local_pcp:0kB free_cma:0kB DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 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-executor983 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2085 Comm: syz-executor983 Tainted: G W 4.9.180+ #3 ffff8801cdc676c0 ffffffff81b577f1 ffff8801cdc67a18 ffffffff833f0970 00000000000003e8 ffff8801cdc67a30 0000000000000000 ffff8801cdc67740 ffffffff8150517b 0000000000000000 00000000000003e8 ffffffff82818fe5 Call Trace: [<00000000aa927df1>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000aa927df1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000003851cb3a>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000879ee659>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<0000000054291341>] out_of_memory mm/oom_kill.c:1069 [inline] [<0000000054291341>] out_of_memory+0x29b/0xeb0 mm/oom_kill.c:1009 [<00000000ee50c741>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000ee50c741>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000ee50c741>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<00000000b965991b>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000b965991b>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000b965991b>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000b965991b>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<00000000b965991b>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<0000000090601c2c>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<0000000090601c2c>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<0000000090601c2c>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000a60c50a4>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<000000003c837fc7>] do_replace net/ipv4/netfilter/ip_tables.c:1146 [inline] [<000000003c837fc7>] do_ipt_set_ctl+0x231/0x470 net/ipv4/netfilter/ip_tables.c:1693 [<000000005dae185e>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005dae185e>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000afc3aa8b>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000afc3aa8b>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232