lowmemorykiller: Killing 'syz-executor529' (2054) (tgid 2054), adj 1000, to free 40kB on behalf of 'syz-executor529' (2059) because cache 34280kB is below limit 65536kB for oom_score_adj 12 Free memory is -13324kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 2059, name: syz-executor529 2 locks held by syz-executor529/2059: #0: (shrinker_rwsem){++++..}, at: [<00000000186c9baf>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 #1: (rcu_read_lock){......}, at: [<0000000013c61803>] lowmem_scan+0x242/0xb50 drivers/staging/android/lowmemorykiller.c:272 Preemption disabled at: [<0000000026344c0c>] spin_lock include/linux/spinlock.h:302 [inline] [<0000000026344c0c>] task_lock include/linux/sched.h:3217 [inline] [<0000000026344c0c>] get_task_mm+0x20/0xc0 kernel/fork.c:1010 CPU: 1 PID: 2059 Comm: syz-executor529 Not tainted 4.9.186+ #9 ffff8801cf407380 ffffffff81b5a0b1 0000000000000000 0000000000000001 ffff8801d0468000 ffffffff810d0cc0 ffff8801d0468000 ffff8801cf4073b8 ffffffff8140032c ffff8801d0468000 ffffffff82a39940 0000000000000387 Call Trace: [<00000000cf2ef30a>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000cf2ef30a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000dc20f477>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<00000000b5cce201>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<00000000062070aa>] mmput+0x28/0x370 kernel/fork.c:903 [<00000000430c4d4f>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<0000000056d4171f>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<0000000038175990>] do_shrink_slab mm/vmscan.c:399 [inline] [<0000000038175990>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<000000005853dc6c>] shrink_slab mm/vmscan.c:466 [inline] [<000000005853dc6c>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<0000000014d514dc>] shrink_zones mm/vmscan.c:2751 [inline] [<0000000014d514dc>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<0000000014d514dc>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<0000000068072ad5>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<0000000068072ad5>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<0000000068072ad5>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<0000000068072ad5>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<0000000019b4bc50>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000019b4bc50>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000019b4bc50>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000019b4bc50>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<0000000019b4bc50>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000453ab9b5>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000453ab9b5>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000453ab9b5>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000714090b1>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<0000000054a98f70>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<00000000c445d224>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<000000005e75cb94>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005e75cb94>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000027467ba>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000027467ba>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000027f23a32>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000027f23a32>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<00000000a549c4b3>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000008fe69580>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000008fe69580>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000b4067aab>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000bc5e0e5d>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb ================================= [ INFO: inconsistent lock state ] 4.9.186+ #9 Tainted: G W --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. syz-executor529/2059 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<000000006d60eca0>] 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: 555221 hardirqs last enabled at (555221): [<000000004f08167d>] restore_regs_and_iret+0x0/0x1d hardirqs last disabled at (555219): [<000000000ecdeb60>] __do_softirq+0x37d/0x964 kernel/softirq.c:301 softirqs last enabled at (555220): [<00000000f9b8d1eb>] __do_softirq+0x474/0x964 kernel/softirq.c:314 softirqs last disabled at (554141): [<00000000a27783e7>] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (554141): [<00000000a27783e7>] irq_exit+0x119/0x160 kernel/softirq.c:409 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&mm->mmap_sem); lock(&mm->mmap_sem); *** DEADLOCK *** 3 locks held by syz-executor529/2059: #0: (shrinker_rwsem){++++..}, at: [<00000000186c9baf>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 #1: (rcu_read_lock){......}, at: [<0000000013c61803>] lowmem_scan+0x242/0xb50 drivers/staging/android/lowmemorykiller.c:272 #2: (lmk_event_lock){+.+.-.}, at: [<00000000160875c3>] spin_lock include/linux/spinlock.h:302 [inline] #2: (lmk_event_lock){+.+.-.}, at: [<00000000160875c3>] handle_lmk_event+0xfb/0x8a0 drivers/staging/android/lowmemorykiller.c:114 stack backtrace: CPU: 1 PID: 2059 Comm: syz-executor529 Tainted: G W 4.9.186+ #9 ffff8801cf4070c0 ffffffff81b5a0b1 00000000000000f0 ffff8801d0468000 ffffffff83caf760 ffff8801d0468948 ffffffff84250ec0 ffff8801cf407138 ffffffff81406d69 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<00000000cf2ef30a>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000cf2ef30a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000003d8505c7>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<000000003d8505c7>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<00000000ae0e6487>] valid_state kernel/locking/lockdep.c:2400 [inline] [<00000000ae0e6487>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<00000000ae0e6487>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<00000000fa86d9ed>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<00000000fa86d9ed>] __lock_acquire+0x5c3/0x4350 kernel/locking/lockdep.c:3302 [<000000005ecaa60c>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<00000000fa90dacc>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<000000006d60eca0>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<0000000026f0a86c>] handle_lmk_event+0x13c/0x8a0 drivers/staging/android/lowmemorykiller.c:128 [<0000000056d4171f>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<0000000038175990>] do_shrink_slab mm/vmscan.c:399 [inline] [<0000000038175990>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<000000005853dc6c>] shrink_slab mm/vmscan.c:466 [inline] [<000000005853dc6c>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<0000000014d514dc>] shrink_zones mm/vmscan.c:2751 [inline] [<0000000014d514dc>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<0000000014d514dc>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<0000000068072ad5>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<0000000068072ad5>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<0000000068072ad5>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<0000000068072ad5>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<0000000019b4bc50>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000019b4bc50>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000019b4bc50>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000019b4bc50>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<0000000019b4bc50>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000453ab9b5>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000453ab9b5>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000453ab9b5>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000714090b1>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<0000000054a98f70>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<00000000c445d224>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<000000005e75cb94>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005e75cb94>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000027467ba>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000027467ba>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000027f23a32>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000027f23a32>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<00000000a549c4b3>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000008fe69580>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000008fe69580>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000b4067aab>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000bc5e0e5d>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb oom_reaper: reaped process 2054 (syz-executor529), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor529 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 1 PID: 2059 Comm: syz-executor529 Tainted: G W 4.9.186+ #9 ffff8801cf4076a8 ffffffff81b5a0b1 ffff8801cf407a00 ffffffff833f11f0 00000000000003e8 ffff8801cf407a18 0000000000000000 ffff8801cf407728 ffffffff815054bb 0000000000000000 00000000000003e8 ffffffff8281c295 Call Trace: [<00000000cf2ef30a>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000cf2ef30a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000761a5b76>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000d3ff222a>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000c8b18057>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000c8b18057>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<0000000090a0304d>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<0000000090a0304d>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<0000000090a0304d>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<0000000019b4bc50>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000019b4bc50>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000019b4bc50>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000019b4bc50>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<0000000019b4bc50>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000453ab9b5>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000453ab9b5>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000453ab9b5>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000714090b1>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<0000000054a98f70>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<00000000c445d224>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<000000005e75cb94>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005e75cb94>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000027467ba>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000027467ba>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000027f23a32>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000027f23a32>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<00000000a549c4b3>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000008fe69580>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000008fe69580>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000b4067aab>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000bc5e0e5d>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3204 inactive_anon:40 isolated_anon:0 active_file:11 inactive_file:13 isolated_file:0 unevictable:0 dirty:3 writeback:0 unstable:0 slab_reclaimable:4241 slab_unreclaimable:56773 mapped:19 shmem:48 pagetables:352 bounce:0 free:6048 free_pcp:38 free_cma:0 Node 0 active_anon:12816kB inactive_anon:160kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:76kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18696kB 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:5496kB min:5580kB low:9168kB high:12756kB active_anon:12816kB inactive_anon:160kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16964kB slab_unreclaimable:227092kB kernel_stack:3456kB pagetables:1408kB bounce:0kB free_pcp:152kB local_pcp:120kB free_cma:0kB DMA32: 2*4kB (M) 3*8kB (M) 3*16kB (UM) 3*32kB (UM) 2*64kB (UM) 4*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18736kB 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 [ 568] 0 568 5383 169 15 3 0 -1000 udevd [ 569] 0 569 5383 171 15 3 0 -1000 udevd [ 1746] 0 1746 2492 572 8 3 0 0 dhclient [ 1887] 0 1887 14231 109 23 3 0 0 rsyslogd [ 1937] 0 1937 4724 50 15 3 0 0 cron [ 1960] 0 1960 3736 45 11 3 0 0 mcstransd [ 1965] 0 1965 12926 1228 27 3 0 0 restorecond [ 1988] 0 1988 12489 152 28 3 0 -1000 sshd [ 2018] 0 2018 3648 40 13 3 0 0 getty [ 2043] 0 2043 3648 43 12 3 0 0 getty [ 2044] 0 2044 3648 43 13 3 0 0 getty [ 2045] 0 2045 3648 42 13 3 0 0 getty [ 2046] 0 2046 3648 44 12 3 0 0 getty [ 2047] 0 2047 3648 42 13 3 0 0 getty [ 2048] 0 2048 3648 41 12 3 0 0 getty [ 2049] 0 2049 17820 197 37 3 0 0 sshd [ 2051] 0 2051 4380 1 4 2 0 0 syz-executor529 [ 2052] 0 2052 4380 10 4 2 0 0 syz-executor529 [ 2053] 0 2053 4380 10 4 2 0 0 syz-executor529 [ 2054] 0 2054 4380 0 5 2 0 1000 syz-executor529 [ 2055] 0 2055 4380 10 4 2 0 0 syz-executor529 [ 2056] 0 2056 4380 10 4 2 0 0 syz-executor529 [ 2057] 0 2057 4380 10 4 2 0 0 syz-executor529 [ 2058] 0 2058 4380 10 4 2 0 0 syz-executor529 [ 2059] 0 2059 4380 10 5 2 0 1000 syz-executor529 [ 2060] 0 2060 4380 10 5 2 0 1000 syz-executor529 [ 2061] 0 2061 4380 10 5 2 0 1000 syz-executor529 [ 2062] 0 2062 4380 10 5 2 0 1000 syz-executor529 [ 2063] 0 2063 4380 10 5 2 0 1000 syz-executor529 Out of memory: Kill process 2059 (syz-executor529) score 999 or sacrifice child Killed process 2059 (syz-executor529) total-vm:17520kB, anon-rss:40kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 2059 (syz-executor529), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB syz-executor529 invoked oom-killer: gfp_mask=0x24002c2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), nodemask=0, order=0, oom_score_adj=1000 CPU: 0 PID: 2060 Comm: syz-executor529 Tainted: G W 4.9.186+ #9 ffff8801cf70f6a8 ffffffff81b5a0b1 ffff8801cf70fa00 ffffffff833f11f0 00000000000003e8 ffff8801cf70fa18 0000000000000000 ffff8801cf70f728 ffffffff815054bb 0000000000000000 00000000000003e8 ffffffff8281c295 Call Trace: [<00000000cf2ef30a>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000cf2ef30a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000761a5b76>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000d3ff222a>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000c8b18057>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000c8b18057>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<0000000090a0304d>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<0000000090a0304d>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<0000000090a0304d>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<0000000019b4bc50>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000019b4bc50>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000019b4bc50>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000019b4bc50>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<0000000019b4bc50>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000453ab9b5>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000453ab9b5>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000453ab9b5>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000714090b1>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<0000000054a98f70>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<00000000c445d224>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<000000005e75cb94>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005e75cb94>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000027467ba>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000027467ba>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000027f23a32>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000027f23a32>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<00000000a549c4b3>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000008fe69580>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000008fe69580>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000b4067aab>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000bc5e0e5d>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:3204 inactive_anon:40 isolated_anon:0 active_file:11 inactive_file:13 isolated_file:0 unevictable:0 dirty:3 writeback:0 unstable:0 slab_reclaimable:4241 slab_unreclaimable:56773 mapped:19 shmem:48 pagetables:352 bounce:0 free:4597 free_pcp:16 free_cma:0 Node 0 active_anon:12816kB inactive_anon:160kB active_file:44kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:76kB dirty:12kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:17104kB 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:72kB local_pcp:0kB free_cma:0kB Normal free:1160kB min:5580kB low:9168kB high:12756kB active_anon:12816kB inactive_anon:160kB active_file:44kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16964kB slab_unreclaimable:227092kB kernel_stack:3456kB pagetables:1408kB bounce:0kB free_pcp:64kB local_pcp:64kB free_cma:0kB DMA32: 2*4kB (M) 4*8kB (UM) 2*16kB (M) 1*32kB (M) 2*64kB (UM) 3*128kB (M) 4*256kB (UM) 2*512kB (UM) 2*1024kB (M) 2*2048kB (UM) 2*4096kB (M) = 17000kB 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 [ 568] 0 568 5383 169 15 3 0 -1000 udevd [ 569] 0 569 5383 171 15 3 0 -1000 udevd [ 1746] 0 1746 2492 572 8 3 0 0 dhclient [ 1887] 0 1887 14231 109 23 3 0 0 rsyslogd [ 2060] 0 2060 4380 10 5 2 0 1000 syz-executor529 [ 2063] 0 2063 4380 10 5 2 0 1000 syz-executor529 90 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 ODEBUG: Out of memory. ODEBUG disabled lowmemorykiller: Killing 'syz-executor529' (2062) (tgid 2062), adj 1000, to free 40kB on behalf of 'syz-executor529' (2067) because cache 2160kB is below limit 6144kB for oom_score_adj 0 Free memory is -13348kB above reserved BUG: sleeping function called from invalid context at kernel/fork.c:903 in_atomic(): 0, irqs_disabled(): 0, pid: 2067, name: syz-executor529 INFO: lockdep is turned off. Preemption disabled at: [<0000000026344c0c>] spin_lock include/linux/spinlock.h:302 [inline] [<0000000026344c0c>] task_lock include/linux/sched.h:3217 [inline] [<0000000026344c0c>] get_task_mm+0x20/0xc0 kernel/fork.c:1010 CPU: 1 PID: 2067 Comm: syz-executor529 Tainted: G W 4.9.186+ #9 ffff8801cf407380 ffffffff81b5a0b1 0000000000000000 0000000000000001 ffff8801cefb97c0 ffffffff810d0cc0 ffff8801cefb97c0 ffff8801cf4073b8 ffffffff8140032c ffff8801cefb97c0 ffffffff82a39940 0000000000000387 Call Trace: [<00000000cf2ef30a>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000cf2ef30a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000dc20f477>] ___might_sleep.cold+0x1c1/0x1fa kernel/sched/core.c:8004 [<00000000b5cce201>] __might_sleep+0x95/0x1a0 kernel/sched/core.c:7961 [<00000000062070aa>] mmput+0x28/0x370 kernel/fork.c:903 [<00000000430c4d4f>] handle_lmk_event+0xea/0x8a0 drivers/staging/android/lowmemorykiller.c:111 [<0000000056d4171f>] lowmem_scan+0x695/0xb50 drivers/staging/android/lowmemorykiller.c:345 [<0000000038175990>] do_shrink_slab mm/vmscan.c:399 [inline] [<0000000038175990>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<000000005853dc6c>] shrink_slab mm/vmscan.c:466 [inline] [<000000005853dc6c>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<0000000014d514dc>] shrink_zones mm/vmscan.c:2751 [inline] [<0000000014d514dc>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<0000000014d514dc>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<0000000068072ad5>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<0000000068072ad5>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<0000000068072ad5>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<0000000068072ad5>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<0000000019b4bc50>] __alloc_pages include/linux/gfp.h:433 [inline] [<0000000019b4bc50>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<0000000019b4bc50>] alloc_pages_node include/linux/gfp.h:460 [inline] [<0000000019b4bc50>] __vmalloc_area_node mm/vmalloc.c:1648 [inline] [<0000000019b4bc50>] __vmalloc_node_range+0x25b/0x610 mm/vmalloc.c:1706 [<00000000453ab9b5>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000453ab9b5>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000453ab9b5>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000714090b1>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<0000000054a98f70>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<00000000c445d224>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<000000005e75cb94>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005e75cb94>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000027467ba>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000027467ba>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<000000008fe69580>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000008fe69580>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 ffffffff81b5a0b1** 7 printk messages dropped ** [ 44.812374] 3505** 2 printk messages dropped ** [ 44.812389] Normal free:1944kB min:5580kB low:9168kB high:12756kB active_anon:12808kB inactive_anon:160kB active_file:168kB inactive_file:228kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16996kB slab_unreclaimable:227192kB kernel_stack:3456kB pagetables:1408kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 0 ffffffff81506773 0 0000000041b58ab3 0 ffffffff82e3a4c0 ffffffff81430350DMA32: 0*4kB Call Trace: 0*8kB [<00000000cf2ef30a>] __dump_stack lib/dump_stack.c:15 [inline] 0*8kB [<00000000cf2ef30a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 0*16kB [<00000000499e3cab>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 0*128kB [<00000000dfdb0e72>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] 0*128kB [<00000000dfdb0e72>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 0*512kB [<00000000453ab9b5>] __vmalloc_node mm/vmalloc.c:1749 [inline] 0*512kB [<00000000453ab9b5>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] 0*512kB [<00000000453ab9b5>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 0*2048kB [<00000000714090b1>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 0*4096kB [<0000000054a98f70>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 = 0kB 12*8kB [<00000000c445d224>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 (H) [<000000005e75cb94>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] (H) [<000000005e75cb94>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 17*16kB [<00000000027467ba>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] 17*16kB [<00000000027467ba>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 (H) [<0000000027f23a32>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] (H) [<0000000027f23a32>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 8*32kB [<00000000a549c4b3>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 (H) [<000000008fe69580>] SYSC_setsockopt net/socket.c:1786 [inline] (H) [<000000008fe69580>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 2*256kB [<00000000b4067aab>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 (H) [<00000000bc5e0e5d>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb 1*512kB Mem-Info: (H) active_anon:3202 inactive_anon:40 isolated_anon:0 active_file:42 inactive_file:57 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4249 slab_unreclaimable:56798 mapped:67 shmem:48 pagetables:352 bounce:0 free:494 free_pcp:0 free_cma:0 0*1024kB Node 0 active_anon:12808kB inactive_anon:160kB active_file:168kB inactive_file:228kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:268kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no 0*2048kB DMA32 free:32kB 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 = 2032kB 35050 pages in swap cache 3505** 112 printk messages dropped ** [ 44.819775] [<000000008fe69580>] SYSC_setsockopt net/socket.c:1786 [inline] 3505** 112 printk messages dropped ** [ 44.819775] [<000000008fe69580>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 ffff8801c46df980 Node 0 active_anon:12808kB inactive_anon:160kB active_file:168kB inactive_file:228kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:268kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no ffffffff81b5a0b1DMA32 free:32kB 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 dffffc0000000000 0 3505 ffffffff82aaa9c0 3505 0000000000000000 0000000000400000Normal free:2032kB min:5580kB low:9168kB high:12756kB active_anon:12808kB inactive_anon:160kB active_file:168kB inactive_file:228kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:16996kB slab_unreclaimable:227192kB kernel_stack:3456kB pagetables:1408kB bounce:0kB free_pcp:12kB local_pcp:0kB free_cma:0kB 0 ffffffff81506773 0 0000000041b58ab3 0 0*2048kB [<00000000cf2ef30a>] __dump_stack lib/dump_stack.c:15 [inline] 0*2048kB [<00000000cf2ef30a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 0*4096kB [<00000000499e3cab>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 = 0kB Normal: [<00000000dfdb0e72>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] Normal: [<00000000dfdb0e72>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 (H) [<00000000453ab9b5>] __vmalloc_node mm/vmalloc.c:1749 [inline] (H) [<00000000453ab9b5>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] (H) [<00000000453ab9b5>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 (H) [<00000000714090b1>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 17*16kB [<0000000054a98f70>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 (H) [<00000000c445d224>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 0*128kB [<000000005e75cb94>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] 0*128kB [<000000005e75cb94>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 2*256kB [<00000000027467ba>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] 2*256kB [<00000000027467ba>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 (H) [<0000000027f23a32>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] (H) [<0000000027f23a32>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 1*512kB [<00000000a549c4b3>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 (H) [<000000008fe69580>] SYSC_setsockopt net/socket.c:1786 [inline] (H) [<000000008fe69580>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 = 2032kB 153 total pagecache pages [<00000000bc5e0e5d>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb 0 pages in swap cache Mem-Info: Swap cache stats: add 0, delete 0, find 0/0 active_anon:3202 inactive_anon:40 isolated_anon:0 active_file:42 inactive_file:57 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4249 slab_unreclaimable:56798 mapped:67 shmem:48 pagetables:352 bounce:0 free:516 free_pcp:3 free_cma:0 Free swap = 0kB Node 0 active_anon:12808kB inactive_anon:160kB active_file:168kB inactive_file:228kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:268kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no Total swap = 0kB DMA32 free:32kB 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 lowmem_reserve[]: 0 pages HighMem/MovableOnly 0313625 pages reserved 3505 3505 DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313625 pages reserved oom_reaper: reaped process 2066 (syz-executor529), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 1965] 0 1965 12926 1228 27 3 0 0 restorecond [ 2044] 0 2044 3648 43 13 3 0 0 getty [ 1887] 0 1887 14231 109 23 3 0 0 rsyslogd ffff880182ef7980 ffffffff81b5a0b1 1ffff100305def32 dffffc0000000000 ffffffff82aaa9c0 0000000000000000 0000000000400000 ffff880182ef7aa8 ffffffff81506773 0000000041b58ab3 ffffffff82e3a4c0 ffffffff81430350 Call Trace: [<00000000cf2ef30a>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000cf2ef30a>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000499e3cab>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000dfdb0e72>] __vmalloc_area_node mm/vmalloc.c:1665 [inline] [<00000000dfdb0e72>] __vmalloc_node_range+0x3ff/0x610 mm/vmalloc.c:1706 [<00000000453ab9b5>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<00000000453ab9b5>] __vmalloc_node_flags mm/vmalloc.c:1763 [inline] [<00000000453ab9b5>] vmalloc+0x5c/0x70 mm/vmalloc.c:1778 [<00000000714090b1>] xt_alloc_table_info+0xc8/0x100 net/netfilter/x_tables.c:997 [<0000000054a98f70>] do_replace.isra.0+0x111/0x480 net/ipv4/netfilter/arp_tables.c:979 [<00000000c445d224>] do_arpt_set_ctl+0x108/0x150 net/ipv4/netfilter/arp_tables.c:1469 [<000000005e75cb94>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [<000000005e75cb94>] nf_setsockopt+0x6d/0xc0 net/netfilter/nf_sockopt.c:114 [<00000000027467ba>] ip_setsockopt net/ipv4/ip_sockglue.c:1247 [inline] [<00000000027467ba>] ip_setsockopt+0x8a/0xa0 net/ipv4/ip_sockglue.c:1232 [<0000000027f23a32>] tcp_setsockopt net/ipv4/tcp.c:2757 [inline] [<0000000027f23a32>] tcp_setsockopt+0x8a/0xe0 net/ipv4/tcp.c:2751 [<00000000a549c4b3>] sock_common_setsockopt+0x9a/0xe0 net/core/sock.c:2710 [<000000008fe69580>] SYSC_setsockopt net/socket.c:1786 [inline] [<000000008fe69580>] SyS_setsockopt+0x159/0x240 net/socket.c:1765 [<00000000b4067aab>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000bc5e0e5d>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:1930 inactive_anon:40 isolated_anon:0 active_file:3 inactive_file:81 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:4253 slab_unreclaimable:56824 mapped:7 shmem:48 pagetables:315 bounce:0 free:869 free_pcp:254 free_cma:0 Node 0 active_anon:7720kB inactive_anon:160kB active_file:12kB inactive_file:324kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:28kB dirty:0kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:0kB min:4696kB low:7712kB high:10728kB active_anon:88kB inactive_anon:0kB active_file:0kB inactive_file:100kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:48kB kernel_stack:64kB pagetables:48kB bounce:0kB free_pcp:388kB local_pcp:0kB free_cma:0kB Normal free:3476kB min:5580kB low:9168kB high:12756kB active_anon:7732kB inactive_anon:160kB active_file:12kB inactive_file:224kB unevictable:0kB writepending:0kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:17012kB slab_unreclaimable:227248kB kernel_stack:3328kB pagetables:1212kB bounce:0kB free_pcp:416kB local_pcp:0kB free_cma:0kB DMA32: 0*4kB 0*8kB 0*16kB 1*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 32kB 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-executor529' (2073) (tgid 2073), adj 1000, to free 40kB on behalf of 'syz-executor529' (2074) because cache 2468kB is below limit 6144kB for oom_score_adj 0 Free memory is -13372kB above reserved