lowmemorykiller: Killing 'syz-executor005' (2057) (tgid 2057), adj 1000, to free 44kB on behalf of 'syz-executor005' (2057) because cache 34036kB is below limit 65536kB for oom_score_adj 12 Free memory is -12376kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 2057, name: syz-executor005 2 locks held by syz-executor005/2057: #0: (shrinker_rwsem){++++..}, at: [<00000000ce579605>] shrink_slab.part.0+0xb2/0xa20 /mm/vmscan.c:472 #1: (rcu_read_lock){......}, at: [<000000003de11a53>] lowmem_scan+0x242/0xb50 /drivers/staging/android/lowmemorykiller.c:272 Preemption disabled at: [<00000000af92fa7f>] spin_lock /./include/linux/spinlock.h:302 [inline] [<00000000af92fa7f>] task_lock /./include/linux/sched.h:3217 [inline] [<00000000af92fa7f>] get_task_mm+0x20/0xc0 /kernel/fork.c:1010 CPU: 1 PID: 2057 Comm: syz-executor005 Not tainted 4.9.185+ #8 ffff8801cf337310 ffffffff81b5a081 0000000000000000 0000000000000001 ffff8801d1ef8000 ffffffff810d0ca0 ffff8801d1ef8000 ffff8801cf337348 ffffffff814002fc ffff8801d1ef8000 ffffffff82a39940 0000000000000387 Call Trace: [<0000000021d05f64>] __dump_stack /lib/dump_stack.c:15 [inline] [<0000000021d05f64>] dump_stack+0xc1/0x120 /lib/dump_stack.c:51 [<00000000c40da63c>] ___might_sleep.cold+0x1c1/0x1fa /kernel/sched/core.c:8004 [<00000000289a5b40>] __might_sleep+0x95/0x1a0 /kernel/sched/core.c:7961 [<00000000e8ce9a62>] mmput+0x28/0x370 /kernel/fork.c:903 [<00000000136e32aa>] handle_lmk_event+0xea/0x8a0 /drivers/staging/android/lowmemorykiller.c:111 [<00000000f08c3ca5>] lowmem_scan+0x695/0xb50 /drivers/staging/android/lowmemorykiller.c:345 [<00000000948d7857>] do_shrink_slab /mm/vmscan.c:399 [inline] [<00000000948d7857>] shrink_slab.part.0+0x3cf/0xa20 /mm/vmscan.c:502 [<00000000a226f9f0>] shrink_slab /mm/vmscan.c:466 [inline] [<00000000a226f9f0>] shrink_node+0x1ed/0x750 /mm/vmscan.c:2604 [<00000000aba43c57>] shrink_zones /mm/vmscan.c:2751 [inline] [<00000000aba43c57>] do_try_to_free_pages /mm/vmscan.c:2793 [inline] [<00000000aba43c57>] try_to_free_pages+0x397/0xbd0 /mm/vmscan.c:3004 [<00000000ec3cee2e>] __perform_reclaim /mm/page_alloc.c:3332 [inline] [<00000000ec3cee2e>] __alloc_pages_direct_reclaim /mm/page_alloc.c:3354 [inline] [<00000000ec3cee2e>] __alloc_pages_slowpath /mm/page_alloc.c:3704 [inline] [<00000000ec3cee2e>] __alloc_pages_nodemask+0x930/0x1a80 /mm/page_alloc.c:3861 [<00000000d6b2e0a2>] __alloc_pages /./include/linux/gfp.h:433 [inline] [<00000000d6b2e0a2>] __alloc_pages_node /./include/linux/gfp.h:446 [inline] [<00000000d6b2e0a2>] alloc_pages_node /./include/linux/gfp.h:460 [inline] [<00000000d6b2e0a2>] __vmalloc_area_node /mm/vmalloc.c:1648 [inline] [<00000000d6b2e0a2>] __vmalloc_node_range+0x25b/0x610 /mm/vmalloc.c:1706 [<000000002458d77a>] __vmalloc_node /mm/vmalloc.c:1749 [inline] [<000000002458d77a>] __vmalloc_node_flags /mm/vmalloc.c:1763 [inline] [<000000002458d77a>] vmalloc+0x5c/0x70 /mm/vmalloc.c:1778 [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 /net/netfilter/x_tables.c:997 [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 /net/ipv4/netfilter/arp_tables.c:979 [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 /net/ipv4/netfilter/arp_tables.c:1469 [<00000000a977cae5>] nf_sockopt /net/netfilter/nf_sockopt.c:105 [inline] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 /net/netfilter/nf_sockopt.c:114 [<000000003e71c7cb>] ip_setsockopt /net/ipv4/ip_sockglue.c:1247 [inline] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 /net/ipv4/ip_sockglue.c:1232 [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 /net/ipv4/udp.c:2114 [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 /net/ipv6/ipv6_sockglue.c:912 [<0000000023949d96>] tcp_setsockopt /net/ipv4/tcp.c:2757 [inline] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 /net/ipv4/tcp.c:2751 [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 /net/core/sock.c:2710 [<000000002fe0be0c>] SYSC_setsockopt /net/socket.c:1786 [inline] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 /net/socket.c:1765 [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 /arch/x86/entry/common.c:288 [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb ================================= [ INFO: inconsistent lock state ] 4.9.185+ #8 Tainted: G W --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. syz-executor005/2057 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<00000000069e047b>] 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: 604691 hardirqs last enabled at (604691): [<000000005f8d2c0e>] restore_regs_and_iret+0x0/0x1d hardirqs last disabled at (604690): [<0000000098984797>] apic_timer_interrupt+0x98/0xb0 /arch/x86/entry/entry_64.S:650 softirqs last enabled at (604450): [<00000000fbbab1ff>] spin_unlock_bh /./include/linux/spinlock.h:352 [inline] softirqs last enabled at (604450): [<00000000fbbab1ff>] wb_queue_work+0x1ed/0x450 /fs/fs-writeback.c:203 softirqs last disabled at (604446): [<00000000437bf690>] spin_lock_bh /./include/linux/spinlock.h:307 [inline] softirqs last disabled at (604446): [<00000000437bf690>] 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-executor005/2057: #0: (shrinker_rwsem){++++..}, at: [<00000000ce579605>] shrink_slab.part.0+0xb2/0xa20 /mm/vmscan.c:472 #1: (rcu_read_lock){......}, at: [<000000003de11a53>] lowmem_scan+0x242/0xb50 /drivers/staging/android/lowmemorykiller.c:272 #2: (lmk_event_lock){+.+.-.}, at: [<00000000d5b34b8f>] spin_lock /./include/linux/spinlock.h:302 [inline] #2: (lmk_event_lock){+.+.-.}, at: [<00000000d5b34b8f>] handle_lmk_event+0xfb/0x8a0 /drivers/staging/android/lowmemorykiller.c:114 stack backtrace: CPU: 1 PID: 2057 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 ffff8801cf337050 ffffffff81b5a081 00000000000000f0 ffff8801d1ef8000 ffffffff83caf760 ffff8801d1ef8948 ffffffff84250ec0 ffff8801cf3370c8 ffffffff81406d39 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<0000000021d05f64>] __dump_stack /lib/dump_stack.c:15 [inline] [<0000000021d05f64>] dump_stack+0xc1/0x120 /lib/dump_stack.c:51 [<0000000082983ccb>] print_usage_bug /kernel/locking/lockdep.c:2387 [inline] [<0000000082983ccb>] print_usage_bug.cold+0x452/0x5a2 /kernel/locking/lockdep.c:2354 [<000000005ff9342c>] valid_state /kernel/locking/lockdep.c:2400 [inline] [<000000005ff9342c>] mark_lock_irq /kernel/locking/lockdep.c:2602 [inline] [<000000005ff9342c>] mark_lock+0x6c7/0x12e0 /kernel/locking/lockdep.c:3065 [<000000005fc7e95c>] mark_irqflags /kernel/locking/lockdep.c:2958 [inline] [<000000005fc7e95c>] __lock_acquire+0x5c3/0x4350 /kernel/locking/lockdep.c:3302 [<00000000e194cd04>] lock_acquire+0x133/0x3d0 /kernel/locking/lockdep.c:3756 [<00000000ab0058bb>] down_read+0x44/0xb0 /kernel/locking/rwsem.c:22 [<00000000069e047b>] get_cmdline+0xa3/0x2d0 /mm/util.c:641 [<0000000050dbfae6>] handle_lmk_event+0x13c/0x8a0 /drivers/staging/android/lowmemorykiller.c:128 [<00000000f08c3ca5>] lowmem_scan+0x695/0xb50 /drivers/staging/android/lowmemorykiller.c:345 [<00000000948d7857>] do_shrink_slab /mm/vmscan.c:399 [inline] [<00000000948d7857>] shrink_slab.part.0+0x3cf/0xa20 /mm/vmscan.c:502 [<00000000a226f9f0>] shrink_slab /mm/vmscan.c:466 [inline] [<00000000a226f9f0>] shrink_node+0x1ed/0x750 /mm/vmscan.c:2604 [<00000000aba43c57>] shrink_zones /mm/vmscan.c:2751 [inline] [<00000000aba43c57>] do_try_to_free_pages /mm/vmscan.c:2793 [inline] [<00000000aba43c57>] try_to_free_pages+0x397/0xbd0 /mm/vmscan.c:3004 [<00000000ec3cee2e>] __perform_reclaim /mm/page_alloc.c:3332 [inline] [<00000000ec3cee2e>] __alloc_pages_direct_reclaim /mm/page_alloc.c:3354 [inline] [<00000000ec3cee2e>] __alloc_pages_slowpath /mm/page_alloc.c:3704 [inline] [<00000000ec3cee2e>] __alloc_pages_nodemask+0x930/0x1a80 /mm/page_alloc.c:3861 [<00000000d6b2e0a2>] __alloc_pages /./include/linux/gfp.h:433 [inline] [<00000000d6b2e0a2>] __alloc_pages_node /./include/linux/gfp.h:446 [inline] [<00000000d6b2e0a2>] alloc_pages_node /./include/linux/gfp.h:460 [inline] [<00000000d6b2e0a2>] __vmalloc_area_node /mm/vmalloc.c:1648 [inline] [<00000000d6b2e0a2>] __vmalloc_node_range+0x25b/0x610 /mm/vmalloc.c:1706 [<000000002458d77a>] __vmalloc_node /mm/vmalloc.c:1749 [inline] [<000000002458d77a>] __vmalloc_node_flags /mm/vmalloc.c:1763 [inline] [<000000002458d77a>] vmalloc+0x5c/0x70 /mm/vmalloc.c:1778 [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 /net/netfilter/x_tables.c:997 [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 /net/ipv4/netfilter/arp_tables.c:979 [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 /net/ipv4/netfilter/arp_tables.c:1469 [<00000000a977cae5>] nf_sockopt /net/netfilter/nf_sockopt.c:105 [inline] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 /net/netfilter/nf_sockopt.c:114 [<000000003e71c7cb>] ip_setsockopt /net/ipv4/ip_sockglue.c:1247 [inline] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 /net/ipv4/ip_sockglue.c:1232 [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 /net/ipv4/udp.c:2114 [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 /net/ipv6/ipv6_sockglue.c:912 [<0000000023949d96>] tcp_setsockopt /net/ipv4/tcp.c:2757 [inline] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 /net/ipv4/tcp.c:2751 [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 /net/core/sock.c:2710 [<000000002fe0be0c>] SYSC_setsockopt /net/socket.c:1786 [inline] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 /net/socket.c:1765 [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 /arch/x86/entry/common.c:288 [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb lowmemorykiller: Killing 'syz-executor005' (2057) (tgid 2057), adj 1000, to free 44kB on behalf of 'syz-executor005' (2066) because cache 588kB is below limit 6144kB for oom_score_adj 0 Free memory is -13280kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 2066, name: syz-executor005 INFO: lockdep is turned off. Preemption disabled at: [<00000000af92fa7f>] spin_lock /./include/linux/spinlock.h:302 [inline] [<00000000af92fa7f>] task_lock /./include/linux/sched.h:3217 [inline] [<00000000af92fa7f>] get_task_mm+0x20/0xc0 /kernel/fork.c:1010 CPU: 1 PID: 2066 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 ffff8801c53f7310 ffffffff81b5a081 0000000000000000 0000000000000001 ffff8801d1efaf80 ffffffff810d0ca0 ffff8801d1efaf80 ffff8801c53f7348 ffffffff814002fc ffff8801d1efaf80 ffffffff82a39940 0000000000000387 Call Trace: [<0000000021d05f64>] __dump_stack /lib/dump_stack.c:15 [inline] [<0000000021d05f64>] dump_stack+0xc1/0x120 /lib/dump_stack.c:51 [<00000000c40da63c>] ___might_sleep.cold+0x1c1/0x1fa /kernel/sched/core.c:8004 [<00000000289a5b40>] __might_sleep+0x95/0x1a0 /kernel/sched/core.c:7961 [<00000000e8ce9a62>] mmput+0x28/0x370 /kernel/fork.c:903 [<00000000136e32aa>] handle_lmk_event+0xea/0x8a0 /drivers/staging/android/lowmemorykiller.c:111 [<00000000f08c3ca5>] lowmem_scan+0x695/0xb50 /drivers/staging/android/lowmemorykiller.c:345 [<00000000948d7857>] do_shrink_slab /mm/vmscan.c:399 [inline] [<00000000948d7857>] shrink_slab.part.0+0x3cf/0xa20 /mm/vmscan.c:502 [<00000000a226f9f0>] shrink_slab /mm/vmscan.c:466 [inline] [<00000000a226f9f0>] shrink_node+0x1ed/0x750 /mm/vmscan.c:2604 [<00000000aba43c57>] shrink_zones /mm/vmscan.c:2751 [inline] [<00000000aba43c57>] do_try_to_free_pages /mm/vmscan.c:2793 [inline] [<00000000aba43c57>] try_to_free_pages+0x397/0xbd0 /mm/vmscan.c:3004 [<00000000ec3cee2e>] __perform_reclaim /mm/page_alloc.c:3332 [inline] [<00000000ec3cee2e>] __alloc_pages_direct_reclaim /mm/page_alloc.c:3354 [inline] [<00000000ec3cee2e>] __alloc_pages_slowpath /mm/page_alloc.c:3704 [inline] [<00000000ec3cee2e>] __alloc_pages_nodemask+0x930/0x1a80 /mm/page_alloc.c:3861 [<00000000d6b2e0a2>] __alloc_pages /./include/linux/gfp.h:433 [inline] [<00000000d6b2e0a2>] __alloc_pages_node /./include/linux/gfp.h:446 [inline] [<00000000d6b2e0a2>] alloc_pages_node /./include/linux/gfp.h:460 [inline] [<00000000d6b2e0a2>] __vmalloc_area_node /mm/vmalloc.c:1648 [inline] [<00000000d6b2e0a2>] __vmalloc_node_range+0x25b/0x610 /mm/vmalloc.c:1706 [<000000002458d77a>] __vmalloc_node /mm/vmalloc.c:1749 [inline] [<000000002458d77a>] __vmalloc_node_flags /mm/vmalloc.c:1763 [inline] [<000000002458d77a>] vmalloc+0x5c/0x70 /mm/vmalloc.c:1778 [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 /net/netfilter/x_tables.c:997 [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 /net/ipv4/netfilter/arp_tables.c:979 [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 /net/ipv4/netfilter/arp_tables.c:1469 [<00000000a977cae5>] nf_sockopt /net/netfilter/nf_sockopt.c:105 [inline] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 /net/netfilter/nf_sockopt.c:114 [<000000003e71c7cb>] ip_setsockopt /net/ipv4/ip_sockglue.c:1247 [inline] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 /net/ipv4/ip_sockglue.c:1232 [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 /net/ipv4/udp.c:2114 [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 /net/ipv6/ipv6_sockglue.c:912 [<0000000023949d96>] tcp_setsockopt /net/ipv4/tcp.c:2757 [inline] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 /net/ipv4/tcp.c:2751 [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 /net/core/sock.c:2710 [<000000002fe0be0c>] SYSC_setsockopt /net/socket.c:1786 [inline] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 /net/socket.c:1765 [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 /arch/x86/entry/common.c:288 [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb oom_reaper: reaped process 2057 (syz-executor005), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor005: vmalloc: allocation failure, allocated 1257193472 of 3032399872 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 2057 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 ffff8801cf337910 ffffffff81b5a081 1ffff10039e66f24 dffffc0000000000 ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801cf337a38 ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 Call Trace: [<0000000021d05f64>] __dump_stack /lib/dump_stack.c:15 [inline] [<0000000021d05f64>] dump_stack+0xc1/0x120 /lib/dump_stack.c:51 [<00000000ccc35bdd>] warn_alloc.cold+0x76/0x93 /mm/page_alloc.c:3069 [<00000000a7439f1e>] __vmalloc_area_node /mm/vmalloc.c:1665 [inline] [<00000000a7439f1e>] __vmalloc_node_range+0x3ff/0x610 /mm/vmalloc.c:1706 [<000000002458d77a>] __vmalloc_node /mm/vmalloc.c:1749 [inline] [<000000002458d77a>] __vmalloc_node_flags /mm/vmalloc.c:1763 [inline] [<000000002458d77a>] vmalloc+0x5c/0x70 /mm/vmalloc.c:1778 [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 /net/netfilter/x_tables.c:997 [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 /net/ipv4/netfilter/arp_tables.c:979 [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 /net/ipv4/netfilter/arp_tables.c:1469 [<00000000a977cae5>] nf_sockopt /net/netfilter/nf_sockopt.c:105 [inline] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 /net/netfilter/nf_sockopt.c:114 [<000000003e71c7cb>] ip_setsockopt /net/ipv4/ip_sockglue.c:1247 [inline] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 /net/ipv4/ip_sockglue.c:1232 [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 /net/ipv4/udp.c:2114 [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 /net/ipv6/ipv6_sockglue.c:912 [<0000000023949d96>] tcp_setsockopt /net/ipv4/tcp.c:2757 [inline] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 /net/ipv4/tcp.c:2751 [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 /net/core/sock.c:2710 [<000000002fe0be0c>] SYSC_setsockopt /net/socket.c:1786 [inline] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 /net/socket.c:1765 [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 /arch/x86/entry/common.c:288 [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3223 inactive_anon:40 isolated_anon:0 active_file:36 inactive_file:47 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4258 slab_unreclaimable:56764 mapped:43 shmem:48 pagetables:361 bounce:0 free:263 free_pcp:8 free_cma:0 Node 0 active_anon:12892kB inactive_anon:160kB active_file:144kB inactive_file:188kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:172kB dirty:0kB writeback:0kB 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:1044kB min:5580kB low:9168kB high:12756kB active_anon:12892kB inactive_anon:160kB active_file:144kB inactive_file:188kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17032kB slab_unreclaimable:227056kB kernel_stack:3488kB pagetables:1444kB bounce:0kB free_pcp:32kB 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 syz-executor005 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 2065 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 ffff8801c53cf638 ffffffff81b5a081 ffff8801c53cf990 ffffffff833f11b0 00000000000003e8 ffff8801c53cf9a8 0000000000000000 ffff8801c53cf6b8 ffffffff8150548b 0000000000000000 00000000000003e8 ffffffff8281c265 Call Trace: [<0000000021d05f64>] __dump_stack /lib/dump_stack.c:15 [inline] [<0000000021d05f64>] dump_stack+0xc1/0x120 /lib/dump_stack.c:51 [<00000000e9932d06>] dump_header.isra.0+0x142/0x74c /mm/oom_kill.c:417 [<0000000072374483>] oom_kill_process.cold+0xd/0xa74 /mm/oom_kill.c:852 [<0000000044feb2ac>] out_of_memory /mm/oom_kill.c:1069 [inline] [<0000000044feb2ac>] out_of_memory+0x29b/0xea0 /mm/oom_kill.c:1009 [<000000003e36b144>] __alloc_pages_may_oom /mm/page_alloc.c:3136 [inline] [<000000003e36b144>] __alloc_pages_slowpath /mm/page_alloc.c:3750 [inline] [<000000003e36b144>] __alloc_pages_nodemask+0x1730/0x1a80 /mm/page_alloc.c:3861 [<00000000d6b2e0a2>] __alloc_pages /./include/linux/gfp.h:433 [inline] [<00000000d6b2e0a2>] __alloc_pages_node /./include/linux/gfp.h:446 [inline] [<00000000d6b2e0a2>] alloc_pages_node /./include/linux/gfp.h:460 [inline] [<00000000d6b2e0a2>] __vmalloc_area_node /mm/vmalloc.c:1648 [inline] [<00000000d6b2e0a2>] __vmalloc_node_range+0x25b/0x610 /mm/vmalloc.c:1706 [<000000002458d77a>] __vmalloc_node /mm/vmalloc.c:1749 [inline] [<000000002458d77a>] __vmalloc_node_flags /mm/vmalloc.c:1763 [inline] [<000000002458d77a>] vmalloc+0x5c/0x70 /mm/vmalloc.c:1778 [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 /net/netfilter/x_tables.c:997 [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 /net/ipv4/netfilter/arp_tables.c:979 [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 /net/ipv4/netfilter/arp_tables.c:1469 [<00000000a977cae5>] nf_sockopt /net/netfilter/nf_sockopt.c:105 [inline] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 /net/netfilter/nf_sockopt.c:114 [<000000003e71c7cb>] ip_setsockopt /net/ipv4/ip_sockglue.c:1247 [inline] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 /net/ipv4/ip_sockglue.c:1232 [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 /net/ipv4/udp.c:2114 [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 /net/ipv6/ipv6_sockglue.c:912 [<0000000023949d96>] tcp_setsockopt /net/ipv4/tcp.c:2757 [inline] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 /net/ipv4/tcp.c:2751 [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 /net/core/sock.c:2710 [<000000002fe0be0c>] SYSC_setsockopt /net/socket.c:1786 [inline] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 /net/socket.c:1765 [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 /arch/x86/entry/common.c:288 [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3223 inactive_anon:40 isolated_anon:0 active_file:36 inactive_file:47 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4258 slab_unreclaimable:56764 mapped:43 shmem:48 pagetables:361 bounce:0 free:263 free_pcp:0 free_cma:0 Node 0 active_anon:12892kB inactive_anon:160kB active_file:144kB inactive_file:188kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:172kB dirty:0kB writeback:0kB 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:1044kB min:5580kB low:9168kB high:12756kB active_anon:12892kB inactive_anon:160kB active_file:144kB inactive_file:188kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17032kB slab_unreclaimable:227056kB kernel_stack:3488kB pagetables:1444kB 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 [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5384 174 16 3 0 -1000 udevd [ 590] 0 590 5380 172 15 3 0 -1000 udevd [ 591] 0 591 5383 172 15 3 0 -1000 udevd [ 1763] 0 1763 2492 574 9 3 0 0 dhclient [ 1896] 0 1896 14231 109 24 3 0 0 rsyslogd [ 1951] 0 1951 4724 50 16 3 0 0 cron [ 1969] 0 1969 3735 45 11 3 0 0 mcstransd [ 1979] 0 1979 12489 153 29 3 0 -1000 sshd [ 1988] 0 1988 12926 1228 27 3 0 0 restorecond [ 2027] 0 2027 3648 38 13 3 0 0 getty [ 2046] 0 2046 3648 44 13 3 0 0 getty [ 2047] 0 2047 3648 41 13 3 0 0 getty [ 2048] 0 2048 3648 42 13 3 0 0 getty [ 2049] 0 2049 3648 44 13 3 0 0 getty [ 2050] 0 2050 3648 43 13 3 0 0 getty [ 2051] 0 2051 3648 43 13 3 0 0 getty [ 2052] 0 2052 17820 210 39 3 0 0 sshd [ 2054] 0 2054 4380 1 4 2 0 0 syz-executor005 [ 2055] 0 2055 4380 11 4 2 0 0 syz-executor005 [ 2056] 0 2056 4380 11 4 2 0 0 syz-executor005 [ 2057] 0 2057 4380 0 5 2 0 1000 syz-executor005 [ 2058] 0 2058 4380 11 4 2 0 0 syz-executor005 [ 2059] 0 2059 4380 11 4 2 0 0 syz-executor005 [ 2060] 0 2060 4380 11 4 2 0 0 syz-executor005 [ 2061] 0 2061 4380 11 4 2 0 0 syz-executor005 [ 2062] 0 2062 4380 11 5 2 0 1000 syz-executor005 [ 2063] 0 2063 4380 11 5 2 0 1000 syz-executor005 [ 2064] 0 2064 4380 11 5 2 0 1000 syz-executor005 [ 2065] 0 2065 4380 11 5 2 0 1000 syz-executor005 [ 2066] 0 2066 4380 11 5 2 0 1000 syz-executor005 Out of memory: Kill process 2062 (syz-executor005) score 999 or sacrifice child Killed process 2062 (syz-executor005) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB syz-executor005: vmalloc: allocation failure, allocated 1121013760 of 3032399872 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 2062 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 ffff8801cf217910 ffffffff81b5a081 1ffff10039e42f24 dffffc0000000000 ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801cf217a38 ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 Call Trace: [<0000000021d05f64>] __dump_stack /lib/dump_stack.c:15 [inline] [<0000000021d05f64>] dump_stack+0xc1/0x120 /lib/dump_stack.c:51 [<00000000ccc35bdd>] warn_alloc.cold+0x76/0x93 /mm/page_alloc.c:3069 [<00000000a7439f1e>] __vmalloc_area_node /mm/vmalloc.c:1665 [inline] [<00000000a7439f1e>] __vmalloc_node_range+0x3ff/0x610 /mm/vmalloc.c:1706 [<000000002458d77a>] __vmalloc_node /mm/vmalloc.c:1749 [inline] [<000000002458d77a>] __vmalloc_node_flags /mm/vmalloc.c:1763 [inline] [<000000002458d77a>] vmalloc+0x5c/0x70 /mm/vmalloc.c:1778 [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 /net/netfilter/x_tables.c:997 [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 /net/ipv4/netfilter/arp_tables.c:979 [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 /net/ipv4/netfilter/arp_tables.c:1469 [<00000000a977cae5>] nf_sockopt /net/netfilter/nf_sockopt.c:105 [inline] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 /net/netfilter/nf_sockopt.c:114 [<000000003e71c7cb>] ip_setsockopt /net/ipv4/ip_sockglue.c:1247 [inline] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 /net/ipv4/ip_sockglue.c:1232 [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 /net/ipv4/udp.c:2114 [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 /net/ipv6/ipv6_sockglue.c:912 [<0000000023949d96>] tcp_setsockopt /net/ipv4/tcp.c:2757 [inline] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 /net/ipv4/tcp.c:2751 [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 /net/core/sock.c:2710 [<000000002fe0be0c>] SYSC_setsockopt /net/socket.c:1786 [inline] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 /net/socket.c:1765 [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 /arch/x86/entry/common.c:288 [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3223 inactive_anon:40 isolated_anon:0 active_file:0 inactive_file:13 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4258 slab_unreclaimable:56764 mapped:18 shmem:48 pagetables:361 bounce:0 free:257 free_pcp:0 free_cma:0 Node 0 active_anon:12892kB inactive_anon:160kB active_file:0kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:72kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:29 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:1020kB min:5580kB low:9168kB high:12756kB active_anon:12892kB inactive_anon:160kB active_file:0kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17032kB slab_unreclaimable:227056kB kernel_stack:3488kB pagetables:1444kB 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 2062 (syz-executor005), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB ODEBUG: Out of memory. ODEBUG disabled lowmemorykiller: Killing 'syz-executor005' (2063) (tgid 2063), adj 1000, to free 44kB on behalf of 'kswapd0' (33) because cache 3300kB is below limit 6144kB for oom_score_adj 0 Free memory is -8984kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 33, name: kswapd0 INFO: lockdep is turned off. Preemption disabled at:[ 37.650689] [<00000000af92fa7f>] spin_lock /./include/linux/spinlock.h:302 [inline] Preemption disabled at:[ 37.650689] [<00000000af92fa7f>] task_lock /./include/linux/sched.h:3217 [inline] Preemption disabled at:[ 37.650689] [<00000000af92fa7f>] get_task_mm+0x20/0xc0 /kernel/fork.c:1010 CPU: 0 PID: 33 Comm: kswapd0 Tainted: G W 4.9.185+ #8 ffff8801d84077c0 ffffffff81b5a081 0000000000000000 0000000000000001 ffff8801d8df8000 ffffffff810d0ca0 ffff8801d8df8000 ffff8801d84077f8 ffffffff814002fc ffff8801d8df8000 ffffffff82a39940 0000000000000387 Call Trace: [<0000000021d05f64>] __dump_stack /lib/dump_stack.c:15 [inline] [<0000000021d05f64>] dump_stack+0xc1/0x120 /lib/dump_stack.c:51 [<00000000c40da63c>] ___might_sleep.cold+0x1c1/0x1fa /kernel/sched/core.c:8004 [<00000000289a5b40>] __might_sleep+0x95/0x1a0 /kernel/sched/core.c:7961 [<00000000e8ce9a62>] mmput+0x28/0x370 /kernel/fork.c:903 [<00000000136e32aa>] handle_lmk_event+0xea/0x8a0 /drivers/staging/android/lowmemorykiller.c:111 [<00000000f08c3ca5>] lowmem_scan+0x695/0xb50 /drivers/staging/android/lowmemorykiller.c:345 [<00000000948d7857>] do_shrink_slab /mm/vmscan.c:399 [inline] [<00000000948d7857>] shrink_slab.part.0+0x3cf/0xa20 /mm/vmscan.c:502 [<00000000a226f9f0>] shrink_slab /mm/vmscan.c:466 [inline] [<00000000a226f9f0>] shrink_node+0x1ed/0x750 /mm/vmscan.c:2604 [<0000000018f73dbb>] kswapd_shrink_node /mm/vmscan.c:3209 [inline] [<0000000018f73dbb>] balance_pgdat /mm/vmscan.c:3329 [inline] [<0000000018f73dbb>] kswapd+0x7f8/0x13b0 /mm/vmscan.c:3523 [<00000000e72ece4b>] kthread+0x278/0x310 /kernel/kthread.c:211 [<00000000fac4354d>] ret_from_fork+0x5c/0x70 /arch/x86/entry/entry_64.S:375 syz-executor005: vmalloc: allocation failure, allocated 1419943936 of 3032399872 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 2063 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 ffff8801cf21f910 ffffffff81b5a081 1ffff10039e43f24 dffffc0000000000 ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801cf21fa38 ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 Call Trace: [<0000000021d05f64>] __dump_stack /lib/dump_stack.c:15 [inline] [<0000000021d05f64>] dump_stack+0xc1/0x120 /lib/dump_stack.c:51 [<00000000ccc35bdd>] warn_alloc.cold+0x76/0x93 /mm/page_alloc.c:3069 [<00000000a7439f1e>] __vmalloc_area_node /mm/vmalloc.c:1665 [inline] [<00000000a7439f1e>] __vmalloc_node_range+0x3ff/0x610 /mm/vmalloc.c:1706 [<000000002458d77a>] __vmalloc_node /mm/vmalloc.c:1749 [inline] [<000000002458d77a>] __vmalloc_node_flags /mm/vmalloc.c:1763 [inline] [<000000002458d77a>] vmalloc+0x5c/0x70 /mm/vmalloc.c:1778 [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 /net/netfilter/x_tables.c:997 [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 /net/ipv4/netfilter/arp_tables.c:979 [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 /net/ipv4/netfilter/arp_tables.c:1469 [<00000000a977cae5>] nf_sockopt /net/netfilter/nf_sockopt.c:105 [inline] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 /net/netfilter/nf_sockopt.c:114 [<000000003e71c7cb>] ip_setsockopt /net/ipv4/ip_sockglue.c:1247 [inline] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 /net/ipv4/ip_sockglue.c:1232 [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 /net/ipv4/udp.c:2114 [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 /net/ipv6/ipv6_sockglue.c:912 [<0000000023949d96>] tcp_setsockopt /net/ipv4/tcp.c:2757 [inline] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 /net/ipv4/tcp.c:2751 [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 /net/core/sock.c:2710 [<000000002fe0be0c>] SYSC_setsockopt /net/socket.c:1786 [inline] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 /net/socket.c:1765 [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 /arch/x86/entry/common.c:288 [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3232 inactive_anon:40 isolated_anon:0 active_file:2 inactive_file:25 isolated_file:0 unevictable:0 dirty:0 writeback:37 unstable:0 slab_reclaimable:4258 slab_unreclaimable:56365 mapped:22 shmem:48 pagetables:351 bounce:0 free:494 free_pcp:0 free_cma:0 Node 0 active_anon:12928kB inactive_anon:160kB active_file:8kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:88kB dirty:0kB writeback:148kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:7 all_unreclaimable? yes DMA32 free:36kB min:4696kB low:7712kB high:10728kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:44kB 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 lowmem_reserve[]: 0 3505 3505 Normal free:1940kB min:5580kB low:9168kB high:12756kB active_anon:12928kB inactive_anon:160kB active_file:8kB inactive_file:36kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17032kB slab_unreclaimable:225460kB kernel_stack:3488kB pagetables:1404kB bounce:0kB free_pcp:20kB local_pcp:0kB free_cma:0kB oom_reaper: reaped process 2063 (syz-executor005), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor005 invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 CPU: 0 PID: 2059 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 ffff8801cf3176f0 ffffffff81b5a081 ffff8801cf317a48 ffffffff833f11b0 0000000000000000 ffff8801cf317a60 0000000000000000 ffff8801cf317770 ffffffff8150548b 0000000000000000 0000000000000000 ffffffff8281c265 Call Trace: [<0000000021d05f64>] __dump_stack /lib/dump_stack.c:15 [inline] [<0000000021d05f64>] dump_stack+0xc1/0x120 /lib/dump_stack.c:51 [<00000000e9932d06>] dump_header.isra.0+0x142/0x74c /mm/oom_kill.c:417 [<0000000072374483>] oom_kill_process.cold+0xd/0xa74 /mm/oom_kill.c:852 [<0000000044feb2ac>] out_of_memory /mm/oom_kill.c:1069 [inline] [<0000000044feb2ac>] out_of_memory+0x29b/0xea0 /mm/oom_kill.c:1009 [<000000003e36b144>] __alloc_pages_may_oom /mm/page_alloc.c:3136 [inline] [<000000003e36b144>] __alloc_pages_slowpath /mm/page_alloc.c:3750 [inline] [<000000003e36b144>] __alloc_pages_nodemask+0x1730/0x1a80 /mm/page_alloc.c:3861 [<00000000580c80cf>] __alloc_pages /./include/linux/gfp.h:433 [inline] [<00000000580c80cf>] __alloc_pages_node /./include/linux/gfp.h:446 [inline] [<00000000580c80cf>] alloc_pages_node /./include/linux/gfp.h:460 [inline] [<00000000580c80cf>] __page_cache_alloc /./include/linux/pagemap.h:208 [inline] [<00000000580c80cf>] pagecache_get_page+0x248/0x740 /mm/filemap.c:1367 [<00000000e7b609e5>] filemap_fault+0xb1f/0x1360 /mm/filemap.c:2331 [<000000002a9af32f>] ext4_filemap_fault+0x72/0xa0 /fs/ext4/inode.c:5854 [<0000000083a96384>] __do_fault+0x2a8/0x6c0 /mm/memory.c:2855 [<000000005493be6a>] do_read_fault /mm/memory.c:3202 [inline] [<000000005493be6a>] do_fault /mm/memory.c:3338 [inline] [<000000005493be6a>] handle_pte_fault /mm/memory.c:3547 [inline] [<000000005493be6a>] __handle_mm_fault /mm/memory.c:3634 [inline] [<000000005493be6a>] handle_mm_fault+0x11bc/0x2420 /mm/memory.c:3671 [<00000000384cb741>] __do_page_fault+0x3f0/0xa60 /arch/x86/mm/fault.c:1404 [<00000000391a5e43>] do_page_fault+0x28/0x30 /arch/x86/mm/fault.c:1467 [<0000000087d73260>] page_fault+0x25/0x30 /arch/x86/entry/entry_64.S:953 Mem-Info: active_anon:3234 inactive_anon:40 isolated_anon:0 active_file:8 inactive_file:32 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4268 slab_unreclaimable:56362 mapped:12 shmem:48 pagetables:361 bounce:0 free:477 free_pcp:0 free_cma:0 Node 0 active_anon:12936kB inactive_anon:160kB active_file:32kB inactive_file:128kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:23 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:52kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:1908kB min:5580kB low:9168kB high:12756kB active_anon:12936kB inactive_anon:160kB active_file:32kB inactive_file:128kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17072kB slab_unreclaimable:225396kB kernel_stack:3488kB pagetables:1444kB 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 [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5384 174 16 3 0 -1000 udevd [ 590] 0 590 5380 172 15 3 0 -1000 udevd [ 591] 0 591 5383 172 15 3 0 -1000 udevd [ 1763] 0 1763 2492 574 9 3 0 0 dhclient [ 1896] 0 1896 14264 151 24 3 0 0 rsyslogd [ 1951] 0 1951 4724 50 16 3 0 0 cron [ 1969] 0 1969 3735 45 11 3 0 0 mcstransd [ 1979] 0 1979 12489 153 29 3 0 -1000 sshd [ 1988] 0 1988 12926 1228 27 3 0 0 restorecond [ 2027] 0 2027 3648 38 13 3 0 0 getty [ 2046] 0 2046 3648 44 13 3 0 0 getty [ 2047] 0 2047 3648 41 13 3 0 0 getty [ 2048] 0 2048 3648 42 13 3 0 0 getty [ 2049] 0 2049 3648 44 13 3 0 0 getty [ 2050] 0 2050 3648 43 13 3 0 0 getty [ 2051] 0 2051 3648 43 13 3 0 0 getty [ 2052] 0 2052 17820 198 39 3 0 0 sshd [ 2054] 0 2054 4380 1 4 2 0 0 syz-executor005 [ 2055] 0 2055 4380 11 4 2 0 0 syz-executor005 [ 2056] 0 2056 4380 11 4 2 0 0 syz-executor005 [ 2058] 0 2058 4380 11 4 2 0 0 syz-executor005 [ 2059] 0 2059 4380 11 4 2 0 0 syz-executor005 [ 2060] 0 2060 4380 11 4 2 0 0 syz-executor005 [ 2061] 0 2061 4380 11 4 2 0 0 syz-executor005 [ 2063] 0 2063 4380 0 5 2 0 1000 syz-executor005 [ 2064] 0 2064 4380 11 5 2 0 1000 syz-executor005 [ 2065] 0 2065 4380 11 5 2 0 1000 syz-executor005 [ 2066] 0 2066 4380 11 5 2 0 1000 syz-executor005 [ 2068] 0 2068 4380 11 5 2 0 1000 syz-executor005 [ 2069] 0 2069 4380 11 5 2 0 1000 syz-executor005 Out of memory: Kill process 2064 (syz-executor005) score 999 or sacrifice child Killed process 2064 (syz-executor005) total-vm:17520kB, anon-rss:44kB, file-rss:0kB, shmem-rss:0kB syz-executor005: vmalloc: allocation failure, allocated 1532911616 of 3032399872 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 2064 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 ffff8801cf177910 ffffffff81b5a081 1ffff10039e2ef24 dffffc0000000000 ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff8801cf177a38 ffffffff81506743 0000000041b58ab3 ffffffff82e3a470 ffffffff81430320 Call Trace: [<0000000021d05f64>] __dump_stack /lib/dump_stack.c:15 [inline] [<0000000021d05f64>] dump_stack+0xc1/0x120 /lib/dump_stack.c:51 [<00000000ccc35bdd>] warn_alloc.cold+0x76/0x93 /mm/page_alloc.c:3069 [<00000000a7439f1e>] __vmalloc_area_node /mm/vmalloc.c:1665 [inline] [<00000000a7439f1e>] __vmalloc_node_range+0x3ff/0x610 /mm/vmalloc.c:1706 [<000000002458d77a>] __vmalloc_node /mm/vmalloc.c:1749 [inline] [<000000002458d77a>] __vmalloc_node_flags /mm/vmalloc.c:1763 [inline] [<000000002458d77a>] vmalloc+0x5c/0x70 /mm/vmalloc.c:1778 [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 /net/netfilter/x_tables.c:997 [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 /net/ipv4/netfilter/arp_tables.c:979 [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 /net/ipv4/netfilter/arp_tables.c:1469 [<00000000a977cae5>] nf_sockopt /net/netfilter/nf_sockopt.c:105 [inline] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 /net/netfilter/nf_sockopt.c:114 [<000000003e71c7cb>] ip_setsockopt /net/ipv4/ip_sockglue.c:1247 [inline] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 /net/ipv4/ip_sockglue.c:1232 [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 /net/ipv4/udp.c:2114 [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 /net/ipv6/ipv6_sockglue.c:912 [<0000000023949d96>] tcp_setsockopt /net/ipv4/tcp.c:2757 [inline] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 /net/ipv4/tcp.c:2751 [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 /net/core/sock.c:2710 [<000000002fe0be0c>] SYSC_setsockopt /net/socket.c:1786 [inline] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 /net/socket.c:1765 [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 /arch/x86/entry/common.c:288 [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3234 inactive_anon:40 isolated_anon:0 active_file:8 inactive_file:32 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4268 slab_unreclaimable:56362 mapped:12 shmem:48 pagetables:361 bounce:0 free:477 free_pcp:0 free_cma:0 Node 0 active_anon:12936kB inactive_anon:160kB active_file:32kB inactive_file:128kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:23 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:52kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:1908kB min:5580kB low:9168kB high:12756kB active_anon:12936kB inactive_anon:160kB active_file:32kB inactive_file:128kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17072kB slab_unreclaimable:225396kB kernel_stack:3488kB pagetables:1444kB 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 2064 (syz-executor005), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 2065 (syz-executor005), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 2066 (syz-executor005), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor005 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2068 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 [ 1896] 0 1896 14264 151 24 3 0 0 rsyslogd [ 2055] 0 2055 4380 11 4 2 0 0 syz-executor005 [ 2056] 0 2056 4379 17 4 2 0 0 syz-executor005 Normal: 45*4kB (H) 20*8kB (H) 9*16kB (H) 7*32kB (H) 8*64kB (H) 8*128kB (H) 1*256kB (H) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2500kB 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 174 16 3 0 -1000 udevd [ 590] 0 590 5380 172 15 3 0 -1000 udevd [ 591] 0 591 5383 172 15 3 0 -1000 udevd [ 1763] 0 1763 2492 574 9 3 0 0 dhclient [ 1896] 0 1896 14264 170 24 3 0 0 rsyslogd [ 1951] 0 1951 4724 50 16 3 0 0 cron [ 1969] 0 1969 3735 45 11 3 0 0 mcstransd [ 1979] 0 1979 12489 153 29 3 0 -1000 sshd [ 2027] 0 2027 3648 38 13 3 0 0 getty [ 2046] 0 2046 3648 44 13 3 0 0 getty [ 2047] 0 2047 3648 41 13 3 0 0 getty [ 2048] 0 2048 3648 42 13 3 0 0 getty [ 2049] 0 2049 3648 44 13 3 0 0 getty [ 2050] 0 2050 3648 43 13 3 0 0 getty [ 2051] 0 2051 3648 43 13 3 0 0 getty [ 2052] 0 2052 17820 198 39 3 0 0 sshd [ 2054] 0 2054 4380 1 4 2 0 0 syz-executor005 [ 2055] 0 2055 4380 11 4 2 0 0 syz-executor005 [ 2056] 0 2056 4379 14 4 2 0 0 syz-executor005 [ 2058] 0 2058 4380 11 4 2 0 0 syz-executor005 [ 2059] 0 2059 4379 14 4 2 0 0 syz-executor005 [ 2060] 0 2060 4379 14 4 2 0 0 syz-executor005 CPU: 0 PID: 2071 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 ffff88011d7ff638 ffffffff81b5a081 ffff88011d7ff990 ffffffff833f11b0 00000000000003e8 ffff88011d7ff9a8 0000000000000000 ffff88011d7ff6b8 ffffffff8150548b 0000000000000000 00000000000003e8 ffffffff8281c265 Call Trace: [<0000000021d05f64>] __dump_stack /lib/dump_stack.c:15 [inline] [<0000000021d05f64>] dump_stack+0xc1/0x120 /lib/dump_stack.c:51 [<00000000e9932d06>] dump_header.isra.0+0x142/0x74c /mm/oom_kill.c:417 [<0000000072374483>] oom_kill_process.cold+0xd/0xa74 /mm/oom_kill.c:852 [<0000000044feb2ac>] out_of_memory /mm/oom_kill.c:1069 [inline] [<0000000044feb2ac>] out_of_memory+0x29b/0xea0 /mm/oom_kill.c:1009 [<000000003e36b144>] __alloc_pages_may_oom /mm/page_alloc.c:3136 [inline] [<000000003e36b144>] __alloc_pages_slowpath /mm/page_alloc.c:3750 [inline] [<000000003e36b144>] __alloc_pages_nodemask+0x1730/0x1a80 /mm/page_alloc.c:3861 [<00000000d6b2e0a2>] __alloc_pages /./include/linux/gfp.h:433 [inline] [<00000000d6b2e0a2>] __alloc_pages_node /./include/linux/gfp.h:446 [inline] [<00000000d6b2e0a2>] alloc_pages_node /./include/linux/gfp.h:460 [inline] [<00000000d6b2e0a2>] __vmalloc_area_node /mm/vmalloc.c:1648 [inline] [<00000000d6b2e0a2>] __vmalloc_node_range+0x25b/0x610 /mm/vmalloc.c:1706 [<000000002458d77a>] __vmalloc_node /mm/vmalloc.c:1749 [inline] [<000000002458d77a>] __vmalloc_node_flags /mm/vmalloc.c:1763 [inline] [<000000002458d77a>] vmalloc+0x5c/0x70 /mm/vmalloc.c:1778 [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 /net/netfilter/x_tables.c:997 [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 /net/ipv4/netfilter/arp_tables.c:979 [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 /net/ipv4/netfilter/arp_tables.c:1469 [<00000000a977cae5>] nf_sockopt /net/netfilter/nf_sockopt.c:105 [inline] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 /net/netfilter/nf_sockopt.c:114 [<000000003e71c7cb>] ip_setsockopt /net/ipv4/ip_sockglue.c:1247 [inline] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 /net/ipv4/ip_sockglue.c:1232 [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 /net/ipv4/udp.c:2114 [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 /net/ipv6/ipv6_sockglue.c:912 [<0000000023949d96>] tcp_setsockopt /net/ipv4/tcp.c:2757 [inline] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 /net/ipv4/tcp.c:2751 lowmemorykiller: Killing 'syz-executor005' (2070) (tgid 2070), adj 1000, to free 44kB on behalf of 'kswapd0' (33) because cache 236kB is below limit 6144kB for oom_score_adj 0 Free memory is -10412kB above reserved Normal: 98*4kB (UMH) 50*8kB (UMH) 46*16kB (UMH) 24*32kB (UMH) 18*64kB (UH) 8*128kB (H) 2*256kB (H) (H) 10*64kB 1*512kB (H) (H) 8*128kB 0*1024kB (H) 0*2048kB ** 25 printk messages dropped ** [ 39.669644] [ 1896] 0 1896 14280 172 24 3 0 0 rsyslogd oom_reaper: reaped process 2071 (syz-executor005), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor005 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2073 Comm: syz-executor005 Tainted: G W 4.9.185+ #8 ffff88014df37638 ffffffff81b5a081 ffff88014df37990 ffffffff833f11b0 00000000000003e8 ffff88014df379a8 0000000000000000 ffff88014df376b8 ffffffff8150548b 0000000000000000 00000000000003e8 ffffffff8281c265 Call Trace: [<0000000021d05f64>] __dump_stack /lib/dump_stack.c:15 [inline] [<0000000021d05f64>] dump_stack+0xc1/0x120 /lib/dump_stack.c:51 [<00000000e9932d06>] dump_header.isra.0+0x142/0x74c /mm/oom_kill.c:417 [<0000000072374483>] oom_kill_process.cold+0xd/0xa74 /mm/oom_kill.c:852 [<0000000044feb2ac>] out_of_memory /mm/oom_kill.c:1069 [inline] [<0000000044feb2ac>] out_of_memory+0x29b/0xea0 /mm/oom_kill.c:1009 [<000000003e36b144>] __alloc_pages_may_oom /mm/page_alloc.c:3136 [inline] [<000000003e36b144>] __alloc_pages_slowpath /mm/page_alloc.c:3750 [inline] [<000000003e36b144>] __alloc_pages_nodemask+0x1730/0x1a80 /mm/page_alloc.c:3861 [<00000000d6b2e0a2>] __alloc_pages /./include/linux/gfp.h:433 [inline] [<00000000d6b2e0a2>] __alloc_pages_node /./include/linux/gfp.h:446 [inline] [<00000000d6b2e0a2>] alloc_pages_node /./include/linux/gfp.h:460 [inline] [<00000000d6b2e0a2>] __vmalloc_area_node /mm/vmalloc.c:1648 [inline] [<00000000d6b2e0a2>] __vmalloc_node_range+0x25b/0x610 /mm/vmalloc.c:1706 [<000000002458d77a>] __vmalloc_node /mm/vmalloc.c:1749 [inline] [<000000002458d77a>] __vmalloc_node_flags /mm/vmalloc.c:1763 [inline] [<000000002458d77a>] vmalloc+0x5c/0x70 /mm/vmalloc.c:1778 [<00000000e22b465c>] xt_alloc_table_info+0xc8/0x100 /net/netfilter/x_tables.c:997 [<00000000954d8d7f>] do_replace.isra.0+0x111/0x480 /net/ipv4/netfilter/arp_tables.c:979 [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 /net/ipv4/netfilter/arp_tables.c:1469 [<00000000a977cae5>] nf_sockopt /net/netfilter/nf_sockopt.c:105 [inline] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 /net/netfilter/nf_sockopt.c:114 [<000000003e71c7cb>] ip_setsockopt /net/ipv4/ip_sockglue.c:1247 [inline] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 /net/ipv4/ip_sockglue.c:1232 [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 /net/ipv4/udp.c:2114 [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 /net/ipv6/ipv6_sockglue.c:912 [<0000000023949d96>] tcp_setsockopt /net/ipv4/tcp.c:2757 [inline] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 /net/ipv4/tcp.c:2751 [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 /net/core/sock.c:2710 [<000000002fe0be0c>] SYSC_setsockopt /net/socket.c:1786 [inline] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 /net/socket.c:1765 [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 /arch/x86/entry/common.c:288 [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:1447 inactive_anon:40 isolated_anon:0 active_file:8 inactive_file:45 isolated_file:0 unevictable:0 dirty:0 writeback:37 unstable:0 slab_reclaimable:4284 slab_unreclaimable:56181 mapped:15 shmem:48 pagetables:325 bounce:0 free:5686 free_pcp:261 free_cma:0 Node 0 active_anon:5788kB inactive_anon:160kB active_file:32kB inactive_file:180kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:60kB dirty:0kB writeback:148kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? yes DMA32 free:18200kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:44kB inactive_file:32kB unevictable:0kB writepending:112kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:12kB slab_unreclaimable:100kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:232kB local_pcp:120kB free_cma:0kB Normal free:4944kB min:5580kB low:9168kB high:12756kB active_anon:5772kB inactive_anon:160kB active_file:32kB inactive_file:180kB unevictable:0kB writepending:16kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17124kB slab_unreclaimable:224624kB kernel_stack:3424kB pagetables:1296kB bounce:0kB free_pcp:864kB local_pcp:120kB free_cma:0kB DMA32: 2*4kB (M) 0*8kB 1*16kB (M) 2*32kB (UM) 1*64kB (U) 53*128kB (U) 42*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 18200kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 DMA32 free:24kB min:4696kB low:7712kB high:10728kB active_anon:16kB inactive_anon:0kB active_file:44kB inactive_file:32kB unevictable:0kB writepending:112kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:12kB slab_unreclaimable:100kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [<00000000f73df656>] do_arpt_set_ctl+0x108/0x150 /net/ipv4/netfilter/arp_tables.c:1469 [<00000000a977cae5>] nf_sockopt /net/netfilter/nf_sockopt.c:105 [inline] [<00000000a977cae5>] nf_setsockopt+0x6d/0xc0 /net/netfilter/nf_sockopt.c:114 [<000000003e71c7cb>] ip_setsockopt /net/ipv4/ip_sockglue.c:1247 [inline] [<000000003e71c7cb>] ip_setsockopt+0x8a/0xa0 /net/ipv4/ip_sockglue.c:1232 [<00000000b2e55859>] udp_setsockopt+0x4e/0x90 /net/ipv4/udp.c:2114 [<00000000f7546958>] ipv6_setsockopt+0xa4/0x140 /net/ipv6/ipv6_sockglue.c:912 [<0000000023949d96>] tcp_setsockopt /net/ipv4/tcp.c:2757 [inline] [<0000000023949d96>] tcp_setsockopt+0x8a/0xe0 /net/ipv4/tcp.c:2751 [<000000004776e85e>] sock_common_setsockopt+0x9a/0xe0 /net/core/sock.c:2710 [<000000002fe0be0c>] SYSC_setsockopt /net/socket.c:1786 [inline] [<000000002fe0be0c>] SyS_setsockopt+0x159/0x240 /net/socket.c:1765 [<0000000054d9c529>] do_syscall_64+0x1ad/0x5c0 /arch/x86/entry/common.c:288 [<00000000db68cf75>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb oom_reaper: reaped process 2075 (syz-executor005), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB getty invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 CPU: 1 PID: 2046 Comm: getty Tainted: G W 4.9.185+ #8 ffff8801cfb676f0 ffffffff81b5a081 ffff8801cfb67a48 ffffffff833f11b0 0000000000000000 ffff8801cfb67a60 0000000000000000 ffff8801cfb67770 warn_alloc: 2 callbacks suppressed ffffffff8150548b syz-executor005: 0000000000000000vmalloc: allocation failure, allocated 548245504 of 3032399872 bytes 0000000000000000, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [<0000000021d05f64>] __dump_stack /lib/dump_stack.c:15 [inline] [<0000000021d05f64>] dump_stack+0xc1/0x120 /lib/dump_stack.c:51 [<00000000e9932d06>] dump_header.isra.0+0x142/0x74c /mm/oom_kill.c:417 118 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved