kmem_cache_node 51KB 51KB kmem_cache 78KB 78KB oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=syz5,mems_allowed=0,global_oom,task_memcg=/syz5,task=syz-executor.5,pid=13635,uid=0 BUG: sleeping function called from invalid context at kernel/locking/mutex.c:577 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 13635, name: syz-executor.5 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.5/13635: #0: ffff888042606130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1667 [inline] #0: ffff888042606130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_setsockopt+0x156/0x3c40 net/packet/af_packet.c:3772 #1: ffffffff85279268 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_may_oom mm/page_alloc.c:4281 [inline] #1: ffffffff85279268 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_slowpath.constprop.0+0xcc9/0x1f10 mm/page_alloc.c:5063 #2: ffff88804100a360 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline] #2: ffff88804100a360 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline] #2: ffff88804100a360 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 13635 Comm: syz-executor.5 Not tainted 5.16.0-rc8-next-20220107 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9583 __mutex_lock_common kernel/locking/mutex.c:577 [inline] __mutex_lock+0x9e/0x1480 kernel/locking/mutex.c:733 futex_cleanup_begin kernel/futex/core.c:1058 [inline] futex_exit_release+0x2d/0x220 kernel/futex/core.c:1110 __oom_kill_process+0x373/0xf90 mm/oom_kill.c:893 oom_kill_process+0xd7/0x5c0 mm/oom_kill.c:1003 out_of_memory+0x1198/0x1460 mm/oom_kill.c:1114 __alloc_pages_may_oom mm/page_alloc.c:4332 [inline] __alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5063 __alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394 alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271 vm_area_alloc_pages mm/vmalloc.c:2904 [inline] __vmalloc_area_node mm/vmalloc.c:2967 [inline] __vmalloc_node_range+0xb2a/0xfd0 mm/vmalloc.c:3106 __vmalloc_node+0xb5/0x100 mm/vmalloc.c:3156 alloc_one_pg_vec_page net/packet/af_packet.c:4302 [inline] alloc_pg_vec net/packet/af_packet.c:4327 [inline] packet_set_ring+0xb60/0x1b20 net/packet/af_packet.c:4412 packet_setsockopt+0x1b4f/0x3c40 net/packet/af_packet.c:3789 __sys_setsockopt+0x180/0x2a0 net/socket.c:2180 __do_sys_setsockopt net/socket.c:2191 [inline] __se_sys_setsockopt net/socket.c:2188 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2188 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f321b152b19 Code: Unable to access opcode bytes at RIP 0x7f321b152aef. RSP: 002b:00007f32186c8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f321b265f60 RCX: 00007f321b152b19 RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000003 RBP: 00007f321b1acf6d R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeff9cd91f R14: 00007f32186c8300 R15: 0000000000022000 ============================= [ BUG: Invalid wait context ] 5.16.0-rc8-next-20220107 #1 Tainted: G W ----------------------------- syz-executor.5/13635 is trying to lock: ffff88804100ad70 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_cleanup_begin kernel/futex/core.c:1058 [inline] ffff88804100ad70 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_exit_release+0x2d/0x220 kernel/futex/core.c:1110 other info that might help us debug this: context-{4:4} 3 locks held by syz-executor.5/13635: #0: ffff888042606130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1667 [inline] #0: ffff888042606130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_setsockopt+0x156/0x3c40 net/packet/af_packet.c:3772 #1: ffffffff85279268 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_may_oom mm/page_alloc.c:4281 [inline] #1: ffffffff85279268 (oom_lock){+.+.}-{3:3}, at: __alloc_pages_slowpath.constprop.0+0xcc9/0x1f10 mm/page_alloc.c:5063 #2: ffff88804100a360 (&p->alloc_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:354 [inline] #2: ffff88804100a360 (&p->alloc_lock){+.+.}-{2:2}, at: task_lock include/linux/sched/task.h:170 [inline] #2: ffff88804100a360 (&p->alloc_lock){+.+.}-{2:2}, at: find_lock_task_mm+0xe3/0x2b0 mm/oom_kill.c:144 stack backtrace: CPU: 1 PID: 13635 Comm: syz-executor.5 Tainted: G W 5.16.0-rc8-next-20220107 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106 print_lock_invalid_wait_context kernel/locking/lockdep.c:4678 [inline] check_wait_context kernel/locking/lockdep.c:4739 [inline] __lock_acquire.cold+0xc8/0x3b4 kernel/locking/lockdep.c:4977 lock_acquire kernel/locking/lockdep.c:5639 [inline] lock_acquire+0x1a2/0x4d0 kernel/locking/lockdep.c:5604 __mutex_lock_common kernel/locking/mutex.c:600 [inline] __mutex_lock+0x136/0x1480 kernel/locking/mutex.c:733 futex_cleanup_begin kernel/futex/core.c:1058 [inline] futex_exit_release+0x2d/0x220 kernel/futex/core.c:1110 __oom_kill_process+0x373/0xf90 mm/oom_kill.c:893 oom_kill_process+0xd7/0x5c0 mm/oom_kill.c:1003 out_of_memory+0x1198/0x1460 mm/oom_kill.c:1114 __alloc_pages_may_oom mm/page_alloc.c:4332 [inline] __alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5063 __alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394 alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271 vm_area_alloc_pages mm/vmalloc.c:2904 [inline] __vmalloc_area_node mm/vmalloc.c:2967 [inline] __vmalloc_node_range+0xb2a/0xfd0 mm/vmalloc.c:3106 __vmalloc_node+0xb5/0x100 mm/vmalloc.c:3156 alloc_one_pg_vec_page net/packet/af_packet.c:4302 [inline] alloc_pg_vec net/packet/af_packet.c:4327 [inline] packet_set_ring+0xb60/0x1b20 net/packet/af_packet.c:4412 packet_setsockopt+0x1b4f/0x3c40 net/packet/af_packet.c:3789 __sys_setsockopt+0x180/0x2a0 net/socket.c:2180 __do_sys_setsockopt net/socket.c:2191 [inline] __se_sys_setsockopt net/socket.c:2188 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2188 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f321b152b19 Code: Unable to access opcode bytes at RIP 0x7f321b152aef. RSP: 002b:00007f32186c8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f321b265f60 RCX: 00007f321b152b19 RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000003 RBP: 00007f321b1acf6d R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeff9cd91f R14: 00007f32186c8300 R15: 0000000000022000 Out of memory (oom_kill_allocating_task): Killed process 13633 (syz-executor.5) total-vm:93676kB, anon-rss:384kB, file-rss:34020kB, shmem-rss:0kB, UID:0 pgtables:140kB oom_score_adj:1000 oom_reaper: reaped process 13633 (syz-executor.5), now anon-rss:0kB, file-rss:34016kB, shmem-rss:0kB syz-executor.4 invoked oom-killer: gfp_mask=0x1140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0 CPU: 1 PID: 828 Comm: syz-executor.4 Tainted: G W 5.16.0-rc8-next-20220107 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106 dump_header+0x106/0x60f mm/oom_kill.c:464 oom_kill_process.cold+0x10/0x15 mm/oom_kill.c:994 out_of_memory+0x1198/0x1460 mm/oom_kill.c:1114 __alloc_pages_may_oom mm/page_alloc.c:4332 [inline] __alloc_pages_slowpath.constprop.0+0x1972/0x1f10 mm/page_alloc.c:5063 __alloc_pages+0x403/0x4e0 mm/page_alloc.c:5394 alloc_pages+0x1a0/0x2f0 mm/mempolicy.c:2271 filemap_alloc_folio mm/filemap.c:989 [inline] __filemap_get_folio+0x65c/0xfd0 mm/filemap.c:1992 filemap_fault+0x155a/0x2130 mm/filemap.c:3129 __do_fault+0x113/0x5a0 mm/memory.c:3846 do_read_fault mm/memory.c:4161 [inline] do_fault mm/memory.c:4290 [inline] handle_pte_fault mm/memory.c:4548 [inline] __handle_mm_fault+0x1325/0x3570 mm/memory.c:4683 handle_mm_fault+0x2e6/0xa20 mm/memory.c:4781 do_user_addr_fault+0x54a/0x12a0 arch/x86/mm/fault.c:1397 handle_page_fault arch/x86/mm/fault.c:1484 [inline] exc_page_fault+0xa2/0x1a0 arch/x86/mm/fault.c:1540 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568 RIP: 0033:0x7f5d7685e688 Code: Unable to access opcode bytes at RIP 0x7f5d7685e65e. RSP: 002b:00007fff273979b0 EFLAGS: 00010202 RAX: 0000001b2e720000 RBX: 0000000000000434 RCX: 00000000002b9c10 RDX: 00000000002b9c2f RSI: 00007fff27397a70 RDI: 0000000000000001 RBP: 00007fff27397a0c R08: 0000000000000b2a R09: 00007fff273cf080 R10: 00007fff273cf090 R11: 0000000000523cc0 R12: 0000000000000032 R13: 00000000002b993c R14: 0000000000000001 R15: 00007fff27397a70 Mem-Info: active_anon:10919 inactive_anon:33615 isolated_anon:0 active_file:40 inactive_file:12 isolated_file:0 unevictable:0 dirty:0 writeback:0 slab_reclaimable:7464 slab_unreclaimable:62369 mapped:69634 shmem:111 pagetables:1832 bounce:0 kernel_misc_reclaimable:0 free:2960 free_pcp:214 free_cma:0 Node 0 active_anon:43676kB inactive_anon:134460kB active_file:160kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:278536kB dirty:0kB writeback:0kB shmem:444kB writeback_tmp:0kB kernel_stack:4928kB pagetables:7328kB all_unreclaimable? no Node 0 DMA free:6508kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 1617 1617 1617 Node 0 DMA32 free:5332kB boost:6144kB min:11264kB low:12920kB high:14576kB reserved_highatomic:0KB active_anon:43676kB inactive_anon:134544kB active_file:100kB inactive_file:0kB unevictable:0kB writepending:0kB present:2080640kB managed:1660808kB mlocked:0kB bounce:0kB free_pcp:884kB local_pcp:348kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 1*4kB (M) 2*8kB (UM) 1*16kB (M) 2*32kB (UM) 2*64kB (UM) 1*128kB (M) 2*256kB (UM) 1*512kB (M) 1*1024kB (M) 0*2048kB 1*4096kB (M) = 6500kB Node 0 DMA32: 846*4kB (UME) 116*8kB (UME) 27*16kB (UME) 3*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 4840kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 155 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 524158 pages RAM 0 pages HighMem/MovableOnly 105116 pages reserved Unreclaimable slab info: Name Used Total pid_4 7KB 7KB pid_3 7KB 7KB pid_2 71KB 78KB IEEE-802.15.4-MAC 63KB 63KB IEEE-802.15.4-RAW 63KB 63KB fib6_nodes 28KB 28KB ip6_dst_cache 41KB 41KB PINGv6 63KB 63KB RAWv6 189KB 189KB UDPLITEv6 186KB 186KB UDPv6 186KB 186KB TCPv6 62KB 62KB scsi_sense_cache 8KB 8KB sd_ext_cdb 3KB 3KB virtio_scsi_cmd 16KB 16KB bio-96 7KB 7KB sgpool-128 148KB 267KB sgpool-64 63KB 63KB sgpool-32 158KB 220KB sgpool-16 120KB 120KB sgpool-8 113KB 127KB bio-224 3KB 3KB mqueue_inode_cache 60KB 60KB nfs_commit_data 15KB 15KB nfs_write_data 47KB 47KB jbd2_inode 11KB 11KB ext4_system_zone 7KB 7KB ext4_io_end_vec 15KB 15KB ext4_bio_post_read_ctx 15KB 15KB io_kiocb 26KB 45KB kioctx 31KB 31KB aio_kiocb 7KB 7KB dio 15KB 15KB fasync_cache 3KB 3KB pid_namespace 7KB 7KB posix_timers_cache 15KB 15KB rpc_buffers 31KB 31KB rpc_tasks 3KB 3KB UNIX-STREAM 228KB 341KB UNIX 195KB 279KB UDP-Lite 63KB 63KB tcp_bind_bucket 8KB 8KB ip_fib_trie 8KB 8KB ip_fib_alias 11KB 11KB ip_dst_cache 20KB 20KB PING 62KB 62KB RAW 218KB 218KB UDP 283KB 283KB request_sock_TCP 15KB 15KB TCP 88KB 88KB hugetlbfs_inode_cache 15KB 15KB bio-216 11KB 11KB ep_head 8KB 8KB eventpoll_pwq 19KB 19KB eventpoll_epi 39KB 39KB inotify_inode_mark 46KB 46KB request_queue 62KB 62KB blkdev_ioc 8KB 8KB bio-160 36KB 36KB biovec-max 1105KB 1105KB biovec-64 405KB 472KB biovec-16 82KB 82KB user_namespace 30KB 30KB uid_cache 7KB 7KB dmaengine-unmap-2 4KB 4KB audit_buffer 23KB 43KB skbuff_fclone_cache 105KB 105KB skbuff_head_cache 1061KB 1061KB configfs_dir_cache 8KB 8KB file_lock_cache 27KB 47KB file_lock_ctx 7KB 7KB fsnotify_mark_connector 24KB 24KB net_namespace 124KB 124KB taskstats 53KB 53KB proc_dir_entry 383KB 401KB pde_opener 27KB 27KB seq_file 56KB 56KB sigqueue 35KB 35KB shmem_inode_cache 1392KB 1464KB kernfs_iattrs_cache 224KB 231KB kernfs_node_cache 5216KB 5241KB mnt_cache 145KB 173KB filp 2038KB 2126KB names_cache 17505KB 18734KB hashtab_node 274KB 274KB ebitmap_node 1149KB 1149KB avtab_node 4976KB 4976KB avc_node 35KB 35KB lsm_inode_cache 2652KB 3083KB lsm_file_cache 107KB 132KB key_jar 47KB 47KB uts_namespace 15KB 15KB nsproxy 15KB 15KB vm_area_struct 1238KB 1380KB mm_struct 269KB 378KB fs_cache 45KB 60KB files_cache 218KB 302KB signal_cache 351KB 516KB sighand_cache 346KB 360KB task_struct 1531KB 1845KB cred_jar 142KB 156KB anon_vma_chain 283KB 334KB anon_vma 279KB 288KB pid 60KB 90KB Acpi-Operand 64KB 126KB Acpi-ParseExt 35KB 35KB Acpi-Parse 35KB 51KB Acpi-State 23KB 39KB Acpi-Namespace 28KB 28KB shared_policy_node 4KB 4KB numa_policy 7KB 7KB perf_event 63KB 63KB trace_event_file 175KB 175KB ftrace_event_field 296KB 296KB pool_workqueue 40KB 40KB task_group 16KB 16KB vmap_area 59KB 59KB page->ptl 252KB 307KB kmemleak_scan_area 35KB 35KB kmemleak_object 136479KB 149110KB kmalloc-cg-8k 96KB 96KB kmalloc-cg-4k 1024KB 1088KB kmalloc-cg-2k 804KB 960KB kmalloc-cg-1k 228KB 256KB kmalloc-cg-512 288KB 288KB kmalloc-cg-256 16KB 16KB kmalloc-cg-192 36KB 36KB kmalloc-cg-128 12KB 12KB kmalloc-cg-96 37KB 44KB kmalloc-cg-64 32KB 32KB kmalloc-cg-32 55KB 80KB kmalloc-cg-16 8KB 8KB kmalloc-cg-8 15KB 15KB kmalloc-8k 4656KB 4656KB kmalloc-4k 6736KB 7056KB kmalloc-2k 3944KB 4288KB kmalloc-1k 4484KB 4484KB kmalloc-512 4496KB 4496KB kmalloc-256 993KB 1152KB kmalloc-192 429KB 764KB kmalloc-128 416KB 636KB kmalloc-96 353KB 492KB kmalloc-64 1086KB 1152KB kmalloc-32 703KB 748KB kmalloc-16 321KB 332KB kmalloc-8 260KB 270KB kmem_cache_node 51KB 51KB kmem_cache 78KB 78KB oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=syz4,mems_allowed=0,global_oom,task_memcg=/syz4,task=syz-executor.4,pid=828,uid=0 Out of memory (oom_kill_allocating_task): Killed process 828 (syz-executor.4) total-vm:93280kB, anon-rss:396kB, file-rss:34820kB, shmem-rss:0kB, UID:0 pgtables:120kB oom_score_adj:0 oom_reaper: reaped process 828 (syz-executor.4), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB warn_alloc: 2 callbacks suppressed syz-executor.4: vmalloc error: size 370888704, page order 0, failed to allocate pages, mode:0xdc0(GFP_KERNEL|__GFP_ZERO), nodemask=(null),cpuset=syz4,mems_allowed=0 CPU: 1 PID: 13641 Comm: syz-executor.4 Tainted: G W 5.16.0-rc8-next-20220107 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x8b/0xb3 lib/dump_stack.c:106 warn_alloc.cold+0x95/0x18a mm/page_alloc.c:4238 __vmalloc_area_node mm/vmalloc.c:2978 [inline] __vmalloc_node_range+0xd50/0xfd0 mm/vmalloc.c:3106 __vmalloc_node+0xb5/0x100 mm/vmalloc.c:3156 alloc_one_pg_vec_page net/packet/af_packet.c:4302 [inline] alloc_pg_vec net/packet/af_packet.c:4327 [inline] packet_set_ring+0xb60/0x1b20 net/packet/af_packet.c:4412 packet_setsockopt+0x1b4f/0x3c40 net/packet/af_packet.c:3789 __sys_setsockopt+0x180/0x2a0 net/socket.c:2180 __do_sys_setsockopt net/socket.c:2191 [inline] __se_sys_setsockopt net/socket.c:2188 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:2188 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f5d768b1b19 Code: Unable to access opcode bytes at RIP 0x7f5d768b1aef. RSP: 002b:00007f5d73e27188 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f5d769c4f60 RCX: 00007f5d768b1b19 RDX: 0000000000000005 RSI: 0000000000000107 RDI: 0000000000000003 RBP: 00007f5d7690bf6d R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff2739775f R14: 00007f5d73e27300 R15: 0000000000022000 Mem-Info: active_anon:10919 inactive_anon:33426 isolated_anon:0 active_file:63 inactive_file:129 isolated_file:0 unevictable:0 dirty:0 writeback:0 slab_reclaimable:7464 slab_unreclaimable:62345 mapped:69718 shmem:111 pagetables:1559 bounce:0 kernel_misc_reclaimable:0 free:2967 free_pcp:320 free_cma:0 Node 0 active_anon:43676kB inactive_anon:133704kB active_file:252kB inactive_file:600kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:278872kB dirty:0kB writeback:0kB shmem:444kB writeback_tmp:0kB kernel_stack:4608kB pagetables:6236kB all_unreclaimable? no Node 0 DMA free:6508kB boost:0kB min:44kB low:56kB high:68kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 1617 1617 1617 Node 0 DMA32 free:4856kB boost:0kB min:5120kB low:6776kB high:8432kB reserved_highatomic:0KB active_anon:43676kB inactive_anon:134040kB active_file:88kB inactive_file:1072kB unevictable:0kB writepending:0kB present:2080640kB managed:1660808kB mlocked:0kB bounce:0kB free_pcp:1216kB local_pcp:728kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 0*4kB 1*8kB (U) 0*16kB 1*32kB (U) 1*64kB (U) 0*128kB 1*256kB (U) 0*512kB 0*1024kB 1*2048kB (M) 1*4096kB (M) = 6504kB Node 0 DMA32: 675*4kB (ME) 118*8kB (UME) 41*16kB (UME) 28*32kB (U) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5196kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 323 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 524158 pages RAM 0 pages HighMem/MovableOnly 105116 pages reserved