lowmemorykiller: Killing 'syz-executor.2' (18128) (tgid 18128), adj 1000, to free 35960kB on behalf of 'kswapd0' (33) because cache 53880kB is below limit 65536kB for oom_score_adj 12 Free memory is -10160kB above reserved ================================= [ INFO: inconsistent lock state ] 4.9.194+ #0 Not tainted --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. kswapd0/33 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<000000002f3536ef>] get_cmdline+0xa3/0x2d0 mm/util.c:641 mark_held_locks+0xb1/0x100 kernel/locking/lockdep.c:2660 __lockdep_trace_alloc kernel/locking/lockdep.c:2882 [inline] lockdep_trace_alloc+0x18c/0x2b0 kernel/locking/lockdep.c:2897 __alloc_pages_nodemask+0x143/0x1a80 mm/page_alloc.c:3803 __alloc_pages include/linux/gfp.h:433 [inline] __alloc_pages_node include/linux/gfp.h:446 [inline] alloc_pages_node include/linux/gfp.h:460 [inline] pmd_alloc_one arch/x86/include/asm/pgalloc.h:88 [inline] __pmd_alloc+0x4a/0x330 mm/memory.c:3742 pmd_alloc include/linux/mm.h:1625 [inline] alloc_new_pmd mm/mremap.c:64 [inline] move_page_tables+0xadb/0xd60 mm/mremap.c:212 shift_arg_pages+0x1ae/0x470 fs/exec.c:642 setup_arg_pages+0x60d/0x7c0 fs/exec.c:754 load_elf_binary+0xa84/0x4a90 fs/binfmt_elf.c:860 search_binary_handler fs/exec.c:1621 [inline] search_binary_handler+0x14f/0x700 fs/exec.c:1599 exec_binprm fs/exec.c:1663 [inline] do_execveat_common.isra.0+0xf81/0x1db0 fs/exec.c:1785 do_execve+0x3a/0x50 fs/exec.c:1829 run_init_process+0x33/0x37 init/main.c:904 try_to_run_init_process+0x18/0x48 init/main.c:913 kernel_init+0xf2/0x163 init/main.c:984 ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:375 irq event stamp: 91315 hardirqs last enabled at (91315): [<000000003cb51b2d>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:162 [inline] hardirqs last enabled at (91315): [<000000003cb51b2d>] _raw_spin_unlock_irqrestore+0x5a/0x70 kernel/locking/spinlock.c:191 hardirqs last disabled at (91314): [<000000006b1f8fc6>] rcu_read_unlock_special+0x3a/0xb30 kernel/rcu/tree_plugin.h:393 softirqs last enabled at (90386): [<00000000e1015e77>] __do_softirq+0x474/0x964 kernel/softirq.c:314 softirqs last disabled at (90369): [<000000006f34fb43>] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (90369): [<000000006f34fb43>] irq_exit+0x119/0x160 kernel/softirq.c:409 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&mm->mmap_sem); lock(&mm->mmap_sem); *** DEADLOCK *** 1 lock held by kswapd0/33: #0: (shrinker_rwsem){++++..}, at: [<000000008c8e0b04>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 stack backtrace: CPU: 0 PID: 33 Comm: kswapd0 Not tainted 4.9.194+ #0 ffff8801d841f420 ffffffff81b67001 00000000000000f0 ffff8801d992c740 ffffffff83cb1200 ffff8801d992d038 ffffffff84252000 ffff8801d841f498 ffffffff81408710 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<000000003b991d19>] __dump_stack lib/dump_stack.c:15 [inline] [<000000003b991d19>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000002bc52dfa>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<000000002bc52dfa>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<00000000311dc1b9>] valid_state kernel/locking/lockdep.c:2400 [inline] [<00000000311dc1b9>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<00000000311dc1b9>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<00000000647372f2>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<00000000647372f2>] __lock_acquire+0x5be/0x4390 kernel/locking/lockdep.c:3302 [<0000000051a5a44f>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<000000007ebb3423>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<000000002f3536ef>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<00000000f394cf4a>] handle_lmk_event+0x169/0x920 drivers/staging/android/lowmemorykiller.c:116 [<0000000003677f7d>] lowmem_scan+0x6f3/0xb70 drivers/staging/android/lowmemorykiller.c:354 [<0000000086a5162c>] do_shrink_slab mm/vmscan.c:399 [inline] [<0000000086a5162c>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<000000006eb392e9>] shrink_slab mm/vmscan.c:466 [inline] [<000000006eb392e9>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<0000000065cc0a5e>] kswapd_shrink_node mm/vmscan.c:3209 [inline] [<0000000065cc0a5e>] balance_pgdat mm/vmscan.c:3329 [inline] [<0000000065cc0a5e>] kswapd+0x7f8/0x13b0 mm/vmscan.c:3523 [<0000000082d6bdf5>] kthread+0x278/0x310 kernel/kthread.c:211 [<00000000c9ab18d0>] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:375 lowmemorykiller: Killing 'syz-executor.2' (26249) (tgid 26247), adj 1000, to free 35960kB on behalf of 'kswapd0' (33) because cache 53880kB is below limit 65536kB for oom_score_adj 12 Free memory is -9860kB above reserved lowmemorykiller: Killing 'syz-executor.2' (26249) (tgid 26247), adj 1000, to free 34992kB on behalf of 'syz-fuzzer' (2041) because cache 256kB is below limit 6144kB for oom_score_adj 0 Free memory is -13328kB above reserved lowmemorykiller: Killing 'syz-executor.2' (26249) (tgid 26247), adj 1000, to free 34992kB on behalf of 'syz-executor.4' (10695) because cache 256kB is below limit 6144kB for oom_score_adj 0 Free memory is -13228kB above reserved syz-fuzzer invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 CPU: 1 PID: 2040 Comm: syz-fuzzer Not tainted 4.9.194+ #0 ffff8801cf4876f0 ffffffff81b67001 ffff8801cf487a48 ffffffff833f1c30 0000000000000000 ffff8801cf487a60 0000000000000000 ffff8801cf487770 ffffffff81506e44 0000000000000000 0000000000000000 ffffffff8282ac45 Call Trace: [<000000003b991d19>] __dump_stack lib/dump_stack.c:15 [inline] [<000000003b991d19>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000006a3cb7e8>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<000000002276772d>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<000000007ecf8db3>] out_of_memory mm/oom_kill.c:1069 [inline] [<000000007ecf8db3>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000f1f75c67>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000f1f75c67>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000f1f75c67>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<00000000f3ab13ea>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000f3ab13ea>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000f3ab13ea>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000f3ab13ea>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<00000000f3ab13ea>] pagecache_get_page+0x248/0x740 mm/filemap.c:1367 [<0000000025c73a0b>] filemap_fault+0xb1f/0x1360 mm/filemap.c:2331 [<00000000bc5950b7>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<00000000a687f937>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<00000000ff0d9dca>] do_read_fault mm/memory.c:3202 [inline] [<00000000ff0d9dca>] do_fault mm/memory.c:3338 [inline] [<00000000ff0d9dca>] handle_pte_fault mm/memory.c:3547 [inline] [<00000000ff0d9dca>] __handle_mm_fault mm/memory.c:3634 [inline] [<00000000ff0d9dca>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<00000000242ba6fd>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1401 [<0000000043500493>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1464 [<0000000038c63a8b>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 lowmemorykiller: Killing 'syz-executor.2' (26249) (tgid 26247), adj 1000, to free 34992kB on behalf of 'syz-executor.4' (10695) because cache 360kB is below limit 6144kB for oom_score_adj 0 Free memory is -13344kB above reserved lowmemorykiller: Killing 'syz-executor.2' (26249) (tgid 26247), adj 1000, to free 34992kB on behalf of 'syz-executor.2' (2089) because cache 360kB is below limit 6144kB for oom_score_adj 0 Free memory is -13344kB above reserved lowmemorykiller: Killing 'syz-executor.2' (26249) (tgid 26247), adj 1000, to free 34992kB on behalf of 'syz-fuzzer' (2041) because cache 264kB is below limit 6144kB for oom_score_adj 0 Free memory is -13344kB above reserved lowmemorykiller: Killing 'syz-executor.2' (26249) (tgid 26247), adj 1000, to free 34992kB on behalf of 'rsyslogd' (1899) because cache 264kB is below limit 6144kB for oom_score_adj 0 Free memory is -13344kB above reserved Mem-Info: active_anon:31935 inactive_anon:34 isolated_anon:0 active_file:28 inactive_file:31 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:5687 slab_unreclaimable:59619 mapped:52252 shmem:41 pagetables:3338 bounce:0 free:6040 free_pcp:84 free_cma:0 Node 0 active_anon:127740kB inactive_anon:136kB active_file:112kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:209008kB dirty:0kB writeback:0kB shmem:164kB writeback_tmp:0kB unstable:0kB pages_scanned:107 all_unreclaimable? yes DMA32 free:18616kB min:4696kB low:7712kB high:10728kB active_anon:232kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020092kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:708kB kernel_stack:64kB pagetables:212kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB Normal free:5544kB min:5580kB low:9168kB high:12756kB active_anon:127508kB inactive_anon:136kB active_file:112kB inactive_file:124kB unevictable:0kB writepending:0kB present:4718592kB managed:3589312kB mlocked:0kB slab_reclaimable:22748kB slab_unreclaimable:237768kB kernel_stack:6880kB pagetables:13140kB bounce:0kB free_pcp:216kB local_pcp:216kB free_cma:0kB DMA32: 2*4kB (M) 4*8kB (UM) 1*16kB (M) 2*32kB (M) 3*64kB (M) 5*128kB (UM) 3*256kB (M) 3*512kB (UM) 1*1024kB (M) 1*2048kB (M) 3*4096kB (ME) = 18616kB 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 313628 pages reserved [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 470] 0 470 5368 172 17 4 0 -1000 udevd [ 1763] 0 1763 2492 573 10 3 0 0 dhclient [ 1896] 0 1896 14262 180 21 3 0 0 rsyslogd [ 1951] 0 1951 4724 51 15 3 0 0 cron [ 1960] 0 1960 3734 62 10 3 0 0 mcstransd [ 1971] 0 1971 12926 1232 26 3 0 0 restorecond [ 1997] 0 1997 12489 153 28 3 0 -1000 sshd [ 2027] 0 2027 3648 40 13 3 0 0 getty [ 2037] 0 2037 17820 197 39 3 0 0 sshd [ 2039] 0 2039 67223 25170 93 6 0 0 syz-fuzzer [ 2072] 0 2072 18114 17 23 3 0 0 syz-executor.0 [ 2073] 0 2073 18114 16 23 3 0 0 syz-executor.1 [ 2075] 0 2075 18114 16 23 3 0 0 syz-executor.2 [ 2076] 0 2076 18114 15 22 3 0 0 syz-executor.5 [ 2078] 0 2078 18113 8731 24 4 0 0 syz-executor.0 [ 2081] 0 2081 18113 8730 24 4 0 0 syz-executor.1 [ 2085] 0 2085 18113 8730 23 4 0 0 syz-executor.5 [ 2089] 0 2089 18113 8714 24 4 0 0 syz-executor.2 [ 3482] 0 3482 5581 377 16 4 0 -1000 udevd [ 3933] 0 3933 5598 377 16 4 0 -1000 udevd [ 4892] 0 4892 18179 8712 25 3 0 1000 syz-executor.1 [ 4913] 0 4913 18212 8714 25 3 0 1000 syz-executor.1 [ 5495] 0 5495 18146 8741 26 4 0 1000 syz-executor.0 [ 5513] 0 5513 18146 8741 26 4 0 1000 syz-executor.0 [ 5527] 0 5527 18146 8741 26 4 0 1000 syz-executor.0 [ 6674] 0 6674 18146 8743 26 4 0 1000 syz-executor.2 [ 7925] 0 7925 18146 8742 26 4 0 1000 syz-executor.0 [ 7931] 0 7931 18146 8742 26 4 0 1000 syz-executor.0 [ 7940] 0 7940 18146 8742 26 4 0 1000 syz-executor.0 [ 8085] 0 8085 18146 8742 26 4 0 1000 syz-executor.0 [ 8102] 0 8102 18146 8742 26 4 0 1000 syz-executor.0 [ 8105] 0 8105 18146 8742 26 4 0 1000 syz-executor.0 [ 8112] 0 8112 18146 8742 26 4 0 1000 syz-executor.0 [ 8122] 0 8122 18146 8742 26 4 0 1000 syz-executor.0 [ 9024] 0 9024 18146 8743 26 4 0 1000 syz-executor.2 [ 9042] 0 9042 18146 8743 26 4 0 1000 syz-executor.2 [ 9043] 0 9043 18146 8709 25 3 0 1000 syz-executor.0 [ 9049] 0 9049 18146 8743 26 4 0 1000 syz-executor.2 [ 9070] 0 9070 18146 8709 25 3 0 1000 syz-executor.0 [ 9086] 0 9086 18146 8709 25 3 0 1000 syz-executor.0 [ 9093] 0 9093 18146 8742 26 4 0 1000 syz-executor.0 [ 9098] 0 9098 18146 8742 26 4 0 1000 syz-executor.0 [ 9115] 0 9115 18146 8742 26 4 0 1000 syz-executor.0 [ 9174] 0 9174 18146 8743 26 4 0 1000 syz-executor.2 [ 9178] 0 9178 18146 8743 26 4 0 1000 syz-executor.2 [ 9181] 0 9181 18146 8743 26 4 0 1000 syz-executor.2 [ 9184] 0 9184 18146 8743 26 4 0 1000 syz-executor.2 [ 9189] 0 9189 18146 8743 26 4 0 1000 syz-executor.2 [ 9827] 0 9827 18146 8742 26 4 0 1000 syz-executor.0 [ 9832] 0 9832 18146 8742 26 4 0 1000 syz-executor.0 [ 9838] 0 9838 18146 8742 26 4 0 1000 syz-executor.0 [ 9846] 0 9846 18146 8742 26 4 0 1000 syz-executor.0 [ 9853] 0 9853 18146 8742 26 4 0 1000 syz-executor.0 [ 9868] 0 9868 18146 8742 26 4 0 1000 syz-executor.0 [ 9871] 0 9871 18146 8710 25 3 0 1000 syz-executor.2 [ 9893] 0 9893 18146 8710 25 3 0 1000 syz-executor.2 [ 9906] 0 9906 18146 8710 25 3 0 1000 syz-executor.2 [ 9922] 0 9922 18146 8743 26 4 0 1000 syz-executor.2 [ 9931] 0 9931 18146 8743 26 4 0 1000 syz-executor.2 [ 9937] 0 9937 18146 8743 26 4 0 1000 syz-executor.2 [10694] 0 10694 18114 16 23 3 0 0 syz-executor.4 [10695] 0 10695 18113 8693 24 4 0 0 syz-executor.4 [11331] 0 11331 18146 8743 26 4 0 1000 syz-executor.2 [11335] 0 11335 18146 8743 26 4 0 1000 syz-executor.2 [11344] 0 11344 18146 8743 26 4 0 1000 syz-executor.2 [11350] 0 11350 18146 8743 26 4 0 1000 syz-executor.2 [11362] 0 11362 18146 8743 26 4 0 1000 syz-executor.2 [11367] 0 11367 18146 8743 26 4 0 1000 syz-executor.2 [17840] 0 17840 18146 8708 24 3 0 1000 syz-executor.0 [17842] 0 17842 18179 8711 25 3 0 1000 syz-executor.0 [17853] 0 17853 18146 8708 24 3 0 1000 syz-executor.0 [17861] 0 17861 18179 8744 26 4 0 1000 syz-executor.2 [17870] 0 17870 18146 8708 24 3 0 1000 syz-executor.0 [18130] 0 18130 18146 8708 24 3 0 1000 syz-executor.0 [18148] 0 18148 18146 8708 24 3 0 1000 syz-executor.0 [18158] 0 18158 18146 8741 25 4 0 1000 syz-executor.2 [18160] 0 18160 18146 8708 24 3 0 1000 syz-executor.0 [18172] 0 18172 18146 8741 25 4 0 1000 syz-executor.2 [18174] 0 18174 18146 8708 24 3 0 1000 syz-executor.0 [18184] 0 18184 18146 8741 25 4 0 1000 syz-executor.2 [18438] 0 18438 18146 8742 26 4 0 1000 syz-executor.2 [18448] 0 18448 18146 8742 26 4 0 1000 syz-executor.2 [18461] 0 18461 18146 8742 26 4 0 1000 syz-executor.2 [18797] 0 18797 18146 8742 26 4 0 1000 syz-executor.2 [18820] 0 18820 18146 8742 26 4 0 1000 syz-executor.2 [19079] 0 19079 18146 8742 26 4 0 1000 syz-executor.2 [19086] 0 19086 18146 8742 26 4 0 1000 syz-executor.2 [19095] 0 19095 18146 8742 26 4 0 1000 syz-executor.2 [19178] 0 19178 18146 8742 26 4 0 1000 syz-executor.2 [19421] 0 19421 18146 8742 26 4 0 1000 syz-executor.2 [19458] 0 19458 18146 8742 26 4 0 1000 syz-executor.2 [20299] 0 20299 18146 8709 24 3 0 1000 syz-executor.2 [20312] 0 20312 18146 8709 24 3 0 1000 syz-executor.2 [20322] 0 20322 18179 8711 24 3 0 1000 syz-executor.2 [20336] 0 20336 18146 8742 26 4 0 1000 syz-executor.2 [20349] 0 20349 18146 8742 26 4 0 1000 syz-executor.2 [20357] 0 20357 18146 8742 26 4 0 1000 syz-executor.2 [20623] 0 20623 18146 8741 25 4 0 1000 syz-executor.2 [20637] 0 20637 18179 8743 25 4 0 1000 syz-executor.2 [20658] 0 20658 18146 8742 26 4 0 1000 syz-executor.2 [20675] 0 20675 18146 8742 26 4 0 1000 syz-executor.2 [20695] 0 20695 18179 8744 26 4 0 1000 syz-executor.2 [20721] 0 20721 18179 8744 26 4 0 1000 syz-executor.2 [20727] 0 20727 18146 8742 26 4 0 1000 syz-executor.2 [20741] 0 20741 18146 8742 26 4 0 1000 syz-executor.2 [20749] 0 20749 18146 8742 26 4 0 1000 syz-executor.2 [20801] 0 20801 18146 8742 26 4 0 1000 syz-executor.2 [20818] 0 20818 18146 8742 26 4 0 1000 syz-executor.2 [20824] 0 20824 18146 8742 26 4 0 1000 syz-executor.2 [20828] 0 20828 18146 8742 26 4 0 1000 syz-executor.2 [21075] 0 21075 18146 8742 26 4 0 1000 syz-executor.2 [21088] 0 21088 18146 8742 26 4 0 1000 syz-executor.2 [21126] 0 21126 18146 8742 26 4 0 1000 syz-executor.2 [21131] 0 21131 18146 8742 26 4 0 1000 syz-executor.2 [21137] 0 21137 18146 8742 26 4 0 1000 syz-executor.2 [21147] 0 21147 18146 8742 26 4 0 1000 syz-executor.2 [21181] 0 21181 18146 8742 26 4 0 1000 syz-executor.2 [21185] 0 21185 18146 8742 26 4 0 1000 syz-executor.2 [21195] 0 21195 18146 8742 26 4 0 1000 syz-executor.2 [23407] 0 23407 18146 8699 24 3 0 1000 syz-executor.4 [23434] 0 23434 18146 8699 24 3 0 1000 syz-executor.4 [23455] 0 23455 18146 8699 24 3 0 1000 syz-executor.4 [25571] 0 25571 18146 8711 25 3 0 1000 syz-executor.2 [25597] 0 25597 18146 8711 25 3 0 1000 syz-executor.2 [25617] 0 25617 18146 8711 25 3 0 1000 syz-executor.2 [25632] 0 25632 18179 8713 25 3 0 1000 syz-executor.2 [25895] 0 25895 18179 8713 25 3 0 1000 syz-executor.2 [25915] 0 25915 18179 8713 25 3 0 1000 syz-executor.2 [26249] 0 26247 18212 8748 33 4 0 1000 syz-executor.2 [26257] 0 26257 18114 15 23 3 0 0 syz-executor.3 [26258] 0 26258 18114 8497 23 3 0 0 syz-executor.3 Out of memory: Kill process 26247 (syz-executor.2) score 1004 or sacrifice child Killed process 26249 (syz-executor.2) total-vm:72848kB, anon-rss:176kB, file-rss:34816kB, shmem-rss:0kB oom_reaper: reaped process 26249 (syz-executor.2), now anon-rss:0kB, file-rss:12kB, shmem-rss:0kB syz-fuzzer invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 CPU: 1 PID: 14753 Comm: syz-fuzzer Not tainted 4.9.194+ #0 ffff8801c86ef6f0 ffffffff81b67001 ffff8801c86efa48 ffffffff833f1c30 0000000000000000 ffff8801c86efa60 0000000000000000 ffff8801c86ef770 ffffffff81506e44 0000000000000000 0000000000000000 ffffffff8282ac45 Call Trace: [<000000003b991d19>] __dump_stack lib/dump_stack.c:15 [inline] [<000000003b991d19>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000006a3cb7e8>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<000000002276772d>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<000000007ecf8db3>] out_of_memory mm/oom_kill.c:1069 [inline] [<000000007ecf8db3>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000f1f75c67>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000f1f75c67>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000f1f75c67>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<00000000f3ab13ea>] __alloc_pages include/linux/gfp.h:433 [inline] [<00000000f3ab13ea>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<00000000f3ab13ea>] alloc_pages_node include/linux/gfp.h:460 [inline] [<00000000f3ab13ea>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<00000000f3ab13ea>] pagecache_get_page+0x248/0x740 mm/filemap.c:1367 [<0000000025c73a0b>] filemap_fault+0xb1f/0x1360 mm/filemap.c:2331 [<00000000bc5950b7>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<00000000a687f937>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<00000000ff0d9dca>] do_read_fault mm/memory.c:3202 [inline] [<00000000ff0d9dca>] do_fault mm/memory.c:3338 [inline] [<00000000ff0d9dca>] handle_pte_fault mm/memory.c:3547 [inline] [<00000000ff0d9dca>] __handle_mm_fault mm/memory.c:3634 [inline] [<00000000ff0d9dca>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<00000000242ba6fd>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1401 [<0000000043500493>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1464 [<0000000038c63a8b>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 Mem-Info: active_anon:31910 inactive_anon:34 isolated_anon:0 active_file:28 inactive_file:31 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:5687 slab_unreclaimable:59619 mapped:52252 shmem:41 pagetables:3338 bounce:0 free:6040 free_pcp:116 free_cma:0