lowmemorykiller: Killing 'syz-executor.3' (2973) (tgid 2973), adj 1000, to free 1088kB on behalf of 'udevd' (584) because cache 51852kB is below limit 65536kB for oom_score_adj 12 Free memory is -13376kB above reserved ================================= [ INFO: inconsistent lock state ] 4.9.189+ #2 Not tainted --------------------------------- inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-R} usage. udevd/584 [HC0[0]:SC0[0]:HE1:SE1] takes: (&mm->mmap_sem){+++++?}, at: [<00000000917b6f34>] 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: 16245 hardirqs last enabled at (16245): [<00000000b5658542>] vprintk_emit+0x25c/0x6f0 kernel/printk/printk.c:1897 hardirqs last disabled at (16244): [<00000000c4798d58>] vprintk_emit+0x6d/0x6f0 kernel/printk/printk.c:1801 softirqs last enabled at (16230): [<0000000036cbecd2>] spin_unlock_bh include/linux/spinlock.h:352 [inline] softirqs last enabled at (16230): [<0000000036cbecd2>] wb_queue_work+0x1ed/0x450 fs/fs-writeback.c:203 softirqs last disabled at (16226): [<00000000d184a423>] spin_lock_bh include/linux/spinlock.h:307 [inline] softirqs last disabled at (16226): [<00000000d184a423>] 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 *** 1 lock held by udevd/584: #0: (shrinker_rwsem){++++..}, at: [<000000005956605f>] shrink_slab.part.0+0xb2/0xa20 mm/vmscan.c:472 stack backtrace: CPU: 0 PID: 584 Comm: udevd Not tainted 4.9.189+ #2 ffff8801cfa07040 ffffffff81b65c01 00000000000000f0 ffff8801d053af80 ffffffff83caf950 ffff8801d053b878 ffffffff84250fc0 ffff8801cfa070b8 ffffffff81408330 0000000000000000 ffffffff00000001 0000000000000001 Call Trace: [<00000000f222e4f7>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000f222e4f7>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000006c20f969>] print_usage_bug kernel/locking/lockdep.c:2387 [inline] [<000000006c20f969>] print_usage_bug.cold+0x452/0x5a2 kernel/locking/lockdep.c:2354 [<0000000082672cb9>] valid_state kernel/locking/lockdep.c:2400 [inline] [<0000000082672cb9>] mark_lock_irq kernel/locking/lockdep.c:2602 [inline] [<0000000082672cb9>] mark_lock+0x6c7/0x12e0 kernel/locking/lockdep.c:3065 [<00000000b5dea4ae>] mark_irqflags kernel/locking/lockdep.c:2958 [inline] [<00000000b5dea4ae>] __lock_acquire+0x5be/0x4390 kernel/locking/lockdep.c:3302 [<0000000000afa68c>] lock_acquire+0x133/0x3d0 kernel/locking/lockdep.c:3756 [<0000000012011007>] down_read+0x44/0xb0 kernel/locking/rwsem.c:22 [<00000000917b6f34>] get_cmdline+0xa3/0x2d0 mm/util.c:641 [<00000000bb3b98f8>] handle_lmk_event+0x169/0x920 drivers/staging/android/lowmemorykiller.c:115 [<00000000b421e1ed>] lowmem_scan+0x6f3/0xb70 drivers/staging/android/lowmemorykiller.c:353 [<00000000e80ab9f5>] do_shrink_slab mm/vmscan.c:399 [inline] [<00000000e80ab9f5>] shrink_slab.part.0+0x3cf/0xa20 mm/vmscan.c:502 [<000000005ca407e7>] shrink_slab mm/vmscan.c:466 [inline] [<000000005ca407e7>] shrink_node+0x1ed/0x750 mm/vmscan.c:2604 [<00000000fd4dcf5d>] shrink_zones mm/vmscan.c:2751 [inline] [<00000000fd4dcf5d>] do_try_to_free_pages mm/vmscan.c:2793 [inline] [<00000000fd4dcf5d>] try_to_free_pages+0x397/0xbd0 mm/vmscan.c:3004 [<00000000eca2f2e3>] __perform_reclaim mm/page_alloc.c:3332 [inline] [<00000000eca2f2e3>] __alloc_pages_direct_reclaim mm/page_alloc.c:3354 [inline] [<00000000eca2f2e3>] __alloc_pages_slowpath mm/page_alloc.c:3704 [inline] [<00000000eca2f2e3>] __alloc_pages_nodemask+0x930/0x1a80 mm/page_alloc.c:3861 [<000000003d16454e>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000003d16454e>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000003d16454e>] alloc_slab_page mm/slub.c:1408 [inline] [<000000003d16454e>] allocate_slab mm/slub.c:1557 [inline] [<000000003d16454e>] new_slab+0x33b/0x3e0 mm/slub.c:1635 [<00000000a7a25258>] new_slab_objects mm/slub.c:2419 [inline] [<00000000a7a25258>] ___slab_alloc.constprop.0+0x361/0x470 mm/slub.c:2576 [<000000000501cfd6>] __slab_alloc.isra.0.constprop.0+0x50/0xa0 mm/slub.c:2618 [<00000000ef3238a6>] slab_alloc_node mm/slub.c:2681 [inline] [<00000000ef3238a6>] slab_alloc mm/slub.c:2723 [inline] [<00000000ef3238a6>] kmem_cache_alloc+0x212/0x2b0 mm/slub.c:2728 [<0000000064fdeadf>] getname_flags+0xcc/0x550 fs/namei.c:137 [<00000000f32379ba>] user_path_at_empty+0x2f/0x50 fs/namei.c:2619 [<00000000da144d0a>] user_path_at include/linux/namei.h:55 [inline] [<00000000da144d0a>] vfs_fstatat+0xc6/0x170 fs/stat.c:106 [<000000009cd80c2a>] vfs_stat fs/stat.c:123 [inline] [<000000009cd80c2a>] SYSC_newstat fs/stat.c:270 [inline] [<000000009cd80c2a>] SyS_newstat+0x94/0x100 fs/stat.c:266 [<0000000040583b25>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000ee450a1f>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb blkid invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=-1000 CPU: 1 PID: 3039 Comm: blkid Not tainted 4.9.189+ #2 ffff8801cfee76f0 ffffffff81b65c01 ffff8801cfee7a48 ffffffff833f14f0 00000000fffffc18 ffff8801cfee7a60 0000000000000000 ffff8801cfee7770 ffffffff81506abb 0000000000000000 00000000fffffc18 ffffffff828289d5 Call Trace: [<00000000f222e4f7>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000f222e4f7>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000206f6772>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000fc142377>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000fb08c296>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000fb08c296>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000e81393be>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000e81393be>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000e81393be>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<000000001794940d>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000001794940d>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000001794940d>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000001794940d>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<000000001794940d>] pagecache_get_page+0x248/0x740 mm/filemap.c:1367 [<000000002c40e698>] filemap_fault+0xb1f/0x1360 mm/filemap.c:2331 [<000000007ef0db34>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<0000000035220a45>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<00000000d8f03312>] do_read_fault mm/memory.c:3202 [inline] [<00000000d8f03312>] do_fault mm/memory.c:3338 [inline] [<00000000d8f03312>] handle_pte_fault mm/memory.c:3547 [inline] [<00000000d8f03312>] __handle_mm_fault mm/memory.c:3634 [inline] [<00000000d8f03312>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<0000000079fbdebe>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1404 [<000000004144604c>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1467 [<00000000ea946d72>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 Mem-Info: active_anon:5349 inactive_anon:39 isolated_anon:0 active_file:18 inactive_file:18 isolated_file:0 unevictable:0 dirty:0 writeback:1 unstable:0 slab_reclaimable:3861 slab_unreclaimable:58849 mapped:33 shmem:48 pagetables:452 bounce:0 free:6073 free_pcp:0 free_cma:0 Node 0 active_anon:21396kB inactive_anon:156kB active_file:72kB inactive_file:72kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:132kB dirty:0kB writeback:4kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:18716kB min:4696kB low:7712kB high:10728kB active_anon:4kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:4kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:5576kB min:5580kB low:9168kB high:12756kB active_anon:21392kB inactive_anon:156kB active_file:72kB inactive_file:72kB unevictable:0kB writepending:4kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15444kB slab_unreclaimable:235392kB kernel_stack:4128kB pagetables:1808kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB DMA32: 1*4kB (M) 4*8kB (UM) 5*16kB (UM) 4*32kB (UM) 1*64kB (M) 4*128kB (UM) 4*256kB (UM) 1*512kB (M) 2*1024kB (M) 1*2048kB (M) 3*4096kB (M) = 18740kB 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 5383 185 15 3 0 -1000 udevd [ 584] 0 584 5383 185 14 3 0 -1000 udevd [ 585] 0 585 5383 185 14 3 0 -1000 udevd [ 1761] 0 1761 2492 574 8 3 0 0 dhclient [ 1902] 0 1902 14264 110 23 3 0 0 rsyslogd [ 1957] 0 1957 3735 44 11 3 0 0 mcstransd [ 1959] 0 1959 12926 1233 28 3 0 0 restorecond [ 1966] 0 1966 4724 52 15 3 0 0 cron [ 2003] 0 2003 12489 153 28 3 0 -1000 sshd [ 2033] 0 2033 3648 37 13 3 0 0 getty [ 2070] 0 2070 17820 196 40 3 0 0 sshd [ 2072] 0 2072 33844 1810 30 5 0 0 syz-execprog [ 2085] 0 2085 3648 43 12 3 0 0 getty [ 2086] 0 2086 3648 43 12 3 0 0 getty [ 2087] 0 2087 3648 43 13 3 0 0 getty [ 2088] 0 2088 3648 42 13 3 0 0 getty [ 2089] 0 2089 3648 42 13 3 0 0 getty [ 2090] 0 2090 3648 43 13 3 0 0 getty [ 2092] 0 2092 9408 16 5 2 0 0 syz-executor.3 [ 2096] 0 2096 9408 16 6 3 0 0 syz-executor.3 [ 2097] 0 2097 9408 16 5 2 0 0 syz-executor.2 [ 2098] 0 2098 9408 15 5 2 0 0 syz-executor.0 [ 2099] 0 2099 9408 16 6 3 0 0 syz-executor.2 [ 2100] 0 2100 9408 16 5 2 0 0 syz-executor.4 [ 2102] 0 2102 9407 29 6 3 0 0 syz-executor.0 [ 2103] 0 2103 9408 16 5 2 0 0 syz-executor.5 [ 2105] 0 2105 9408 16 6 3 0 0 syz-executor.4 [ 2107] 0 2107 9408 16 5 2 0 0 syz-executor.1 [ 2108] 0 2108 9408 16 6 3 0 0 syz-executor.5 [ 2111] 0 2111 9408 16 6 3 0 0 syz-executor.1 [ 2973] 0 2973 9507 37 9 4 0 1000 syz-executor.3 [ 2993] 0 2993 9507 37 9 4 0 1000 syz-executor.2 [ 2994] 0 2994 9507 37 9 4 0 1000 syz-executor.5 [ 3017] 0 3017 9507 38 9 4 0 1000 syz-executor.1 [ 3026] 0 3026 9507 38 9 4 0 1000 syz-executor.4 [ 3039] 0 3039 2067 15 8 3 0 -1000 blkid [ 3041] 0 3041 9506 39 9 4 0 1000 syz-executor.0 Out of memory: Kill process 3041 (syz-executor.0) score 999 or sacrifice child Killed process 3041 (syz-executor.0) total-vm:38024kB, anon-rss:128kB, file-rss:28kB, shmem-rss:0kB oom_reaper: reaped process 3041 (syz-executor.0), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB oom_reaper: reaped process 2973 (syz-executor.3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB lowmemorykiller: Killing 'syz-executor.0' (3047) (tgid 3047), adj 1000, to free 1068kB on behalf of 'syz-executor.0' (3047) because cache 6760kB is below limit 8192kB for oom_score_adj 1 Free memory is -13292kB above reserved oom_reaper: reaped process 3047 (syz-executor.0), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB syz-executor.1 invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 CPU: 0 PID: 2111 Comm: syz-executor.1 Not tainted 4.9.189+ #2 ffff8801ce3376f0 ffffffff81b65c01 ffff8801ce337a48 ffffffff833f14f0 0000000000000000 ffff8801ce337a60 0000000000000000 ffff8801ce337770 ffffffff81506abb 0000000000000000 0000000000000000 ffffffff828289d5 Call Trace: [<00000000f222e4f7>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000f222e4f7>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000206f6772>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000fc142377>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000fb08c296>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000fb08c296>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000e81393be>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000e81393be>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000e81393be>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<000000001794940d>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000001794940d>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000001794940d>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000001794940d>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<000000001794940d>] pagecache_get_page+0x248/0x740 mm/filemap.c:1367 [<000000002c40e698>] filemap_fault+0xb1f/0x1360 mm/filemap.c:2331 [<000000007ef0db34>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<0000000035220a45>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<00000000d8f03312>] do_read_fault mm/memory.c:3202 [inline] [<00000000d8f03312>] do_fault mm/memory.c:3338 [inline] [<00000000d8f03312>] handle_pte_fault mm/memory.c:3547 [inline] [<00000000d8f03312>] __handle_mm_fault mm/memory.c:3634 [inline] [<00000000d8f03312>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<0000000079fbdebe>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1404 [<000000004144604c>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1467 [<00000000ea946d72>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 Mem-Info: active_anon:5318 inactive_anon:39 isolated_anon:0 active_file:25 inactive_file:0 isolated_file:0 unevictable:0 dirty:10 writeback:0 unstable:0 slab_reclaimable:3875 slab_unreclaimable:58891 mapped:4 shmem:48 pagetables:436 bounce:0 free:4437 free_pcp:34 free_cma:0 Node 0 active_anon:21272kB inactive_anon:156kB active_file:100kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:40kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:32 all_unreclaimable? no DMA32 free:17620kB 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:4kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:52kB local_pcp:52kB free_cma:0kB Normal free:128kB min:5580kB low:9168kB high:12756kB active_anon:21272kB inactive_anon:156kB active_file:100kB inactive_file:0kB unevictable:0kB writepending:40kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15500kB slab_unreclaimable:235560kB kernel_stack:4096kB pagetables:1744kB bounce:0kB free_pcp:84kB local_pcp:84kB free_cma:0kB DMA32: 1*4kB (M) 4*8kB (UM) 1*16kB (M) 1*32kB (M) 0*64kB 3*128kB (UM) 3*256kB (UM) 0*512kB 2*1024kB (UM) 1*2048kB (U) 3*4096kB (U) = 17620kB 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 5383 185 15 3 0 -1000 udevd [ 584] 0 584 5383 185 14 3 0 -1000 udevd [ 585] 0 585 5383 185 14 3 0 -1000 udevd [ 1761] 0 1761 2492 574 8 3 0 0 dhclient [ 1902] 0 1902 14264 110 23 3 0 0 rsyslogd [ 1957] 0 1957 3735 44 11 3 0 0 mcstransd [ 1959] 0 1959 12926 1233 28 3 0 0 restorecond [ 1966] 0 1966 4724 52 15 3 0 0 cron [ 2003] 0 2003 12489 153 28 3 0 -1000 sshd [ 2033] 0 2033 3648 37 13 3 0 0 getty [ 2070] 0 2070 17820 196 40 3 0 0 sshd [ 2072] 0 2072 33844 1810 30 5 0 0 syz-execprog [ 2085] 0 2085 3648 43 12 3 0 0 getty [ 2086] 0 2086 3648 43 12 3 0 0 getty [ 2087] 0 2087 3648 43 13 3 0 0 getty [ 2088] 0 2088 3648 42 13 3 0 0 getty [ 2089] 0 2089 3648 42 13 3 0 0 getty [ 2090] 0 2090 3648 43 13 3 0 0 getty [ 2092] 0 2092 9408 16 5 2 0 0 syz-executor.3 [ 2096] 0 2096 9408 16 6 3 0 0 syz-executor.3 [ 2097] 0 2097 9408 16 5 2 0 0 syz-executor.2 [ 2098] 0 2098 9408 15 5 2 0 0 syz-executor.0 [ 2099] 0 2099 9408 16 6 3 0 0 syz-executor.2 [ 2100] 0 2100 9408 16 5 2 0 0 syz-executor.4 [ 2102] 0 2102 9407 22 6 3 0 0 syz-executor.0 [ 2103] 0 2103 9408 16 5 2 0 0 syz-executor.5 [ 2105] 0 2105 9408 16 6 3 0 0 syz-executor.4 [ 2107] 0 2107 9408 16 5 2 0 0 syz-executor.1 [ 2108] 0 2108 9408 16 6 3 0 0 syz-executor.5 [ 2111] 0 2111 9408 16 6 3 0 0 syz-executor.1 [ 2993] 0 2993 9507 37 9 4 0 1000 syz-executor.2 [ 2994] 0 2994 9507 37 9 4 0 1000 syz-executor.5 [ 3017] 0 3017 9507 38 9 4 0 1000 syz-executor.1 [ 3026] 0 3026 9507 37 9 4 0 1000 syz-executor.4 [ 3039] 0 3039 2067 15 8 3 0 -1000 blkid [ 3047] 0 3047 9506 1 9 4 0 1000 syz-executor.0 Out of memory: Kill process 3017 (syz-executor.1) score 999 or sacrifice child Killed process 3017 (syz-executor.1) total-vm:38028kB, anon-rss:124kB, file-rss:28kB, shmem-rss:0kB oom_reaper: reaped process 3017 (syz-executor.1), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB syz-executor.1: page allocation failure: order:0, mode:0x2280020(GFP_ATOMIC|__GFP_NOTRACK) CPU: 1 PID: 3017 Comm: syz-executor.1 Not tainted 4.9.189+ #2 ffff8801db7074b0 ffffffff81b65c01 1ffff1003b6e0e98 dffffc0000000000 ffffffff82a999a0 0000000000000000 0000000002280020 ffff8801db7075d8 ffffffff81507d73 0000000041b58ab3 ffffffff82e3b338 ffffffff81431920 Call Trace: [<00000000f222e4f7>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000f222e4f7>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<0000000067d735b2>] warn_alloc.cold+0x76/0x93 mm/page_alloc.c:3069 [<00000000c7e8c7cf>] __alloc_pages_slowpath mm/page_alloc.c:3771 [inline] [<00000000c7e8c7cf>] __alloc_pages_nodemask+0x5e8/0x1a80 mm/page_alloc.c:3861 [<000000003d16454e>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000003d16454e>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000003d16454e>] alloc_slab_page mm/slub.c:1408 [inline] [<000000003d16454e>] allocate_slab mm/slub.c:1557 [inline] [<000000003d16454e>] new_slab+0x33b/0x3e0 mm/slub.c:1635 [<00000000a7a25258>] new_slab_objects mm/slub.c:2419 [inline] [<00000000a7a25258>] ___slab_alloc.constprop.0+0x361/0x470 mm/slub.c:2576 [<000000000501cfd6>] __slab_alloc.isra.0.constprop.0+0x50/0xa0 mm/slub.c:2618 [<00000000fad950ad>] slab_alloc_node mm/slub.c:2681 [inline] [<00000000fad950ad>] slab_alloc mm/slub.c:2723 [inline] [<00000000fad950ad>] kmem_cache_alloc_trace+0x22b/0x2d0 mm/slub.c:2740 [<0000000047d8cfa8>] kmalloc include/linux/slab.h:490 [inline] [<0000000047d8cfa8>] dst_cow_metrics_generic+0x4d/0x130 net/core/dst.c:318 [<000000000b003fdd>] ipv6_cow_metrics+0x78/0x190 net/ipv6/route.c:190 [<00000000ffb0e345>] dst_metrics_write_ptr include/net/dst.h:146 [inline] [<00000000ffb0e345>] dst_metric_set include/net/dst.h:207 [inline] [<00000000ffb0e345>] icmp6_dst_alloc+0x487/0x620 net/ipv6/route.c:1669 [<00000000a9908d13>] ndisc_send_skb+0xcfe/0x1300 net/ipv6/ndisc.c:463 [<000000003badcbf5>] ndisc_send_rs+0x12b/0x670 net/ipv6/ndisc.c:662 [<000000002e28c81b>] addrconf_rs_timer+0x290/0x5c0 net/ipv6/addrconf.c:3754 [<0000000088939bed>] call_timer_fn+0x167/0x6d0 kernel/time/timer.c:1319 [<0000000031060b11>] expire_timers+0x25b/0x5c0 kernel/time/timer.c:1359 [<00000000a61ddbed>] __run_timers kernel/time/timer.c:1674 [inline] [<00000000a61ddbed>] run_timer_softirq+0x1ff/0x620 kernel/time/timer.c:1687 [<000000008e736c4e>] __do_softirq+0x22d/0x964 kernel/softirq.c:288 [<000000001aeb0afb>] invoke_softirq kernel/softirq.c:368 [inline] [<000000001aeb0afb>] irq_exit+0x119/0x160 kernel/softirq.c:409 [<000000006e15e01e>] exiting_irq arch/x86/include/asm/apic.h:669 [inline] [<000000006e15e01e>] smp_apic_timer_interrupt+0x7e/0xb0 arch/x86/kernel/apic/apic.c:962 [<000000004287a593>] apic_timer_interrupt+0xa5/0xb0 arch/x86/entry/entry_64.S:653 [<00000000da2776b3>] __debug_check_no_obj_freed lib/debugobjects.c:733 [inline] [<00000000da2776b3>] debug_check_no_obj_freed+0x2b9/0x6d0 lib/debugobjects.c:749 [<0000000026a83c3b>] __vunmap+0x13b/0x3a0 mm/vmalloc.c:1509 [<0000000000efa077>] vfree+0x50/0x110 mm/vmalloc.c:1556 [<000000007c115276>] __vmalloc_area_node mm/vmalloc.c:1668 [inline] [<000000007c115276>] __vmalloc_node_range+0x42c/0x610 mm/vmalloc.c:1706 [<000000002aa5309c>] __vmalloc_node mm/vmalloc.c:1749 [inline] [<000000002aa5309c>] __vmalloc+0x5a/0x70 mm/vmalloc.c:1755 [<000000008b2454e4>] copy_module_from_user kernel/module.c:2864 [inline] [<000000008b2454e4>] SYSC_init_module kernel/module.c:3807 [inline] [<000000008b2454e4>] SyS_init_module+0x137/0x210 kernel/module.c:3794 [<000000006bf2c5bd>] do_syscall_32_irqs_on arch/x86/entry/common.c:331 [inline] [<000000006bf2c5bd>] do_int80_syscall_32+0x1db/0x600 arch/x86/entry/common.c:345 [<00000000ec4c0979>] entry_INT80_compat+0x74/0xa0 arch/x86/entry/entry_64_compat.S:371 Mem-Info: active_anon:5318 inactive_anon:39 isolated_anon:0 active_file:25 inactive_file:0 isolated_file:0 unevictable:0 dirty:10 writeback:0 unstable:0 slab_reclaimable:3875 slab_unreclaimable:58891 mapped:4 shmem:48 pagetables:436 bounce:0 free:35 free_pcp:21 free_cma:0 Node 0 active_anon:21272kB inactive_anon:156kB active_file:100kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:16kB dirty:40kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:12kB 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:4kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Normal free:128kB min:5580kB low:9168kB high:12756kB active_anon:21272kB inactive_anon:156kB active_file:100kB inactive_file:0kB unevictable:0kB writepending:40kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15500kB slab_unreclaimable:235560kB kernel_stack:4096kB pagetables:1744kB bounce:0kB free_pcp:84kB 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 SLUB: Unable to allocate memory on node -1, gfp=0x2080020(GFP_ATOMIC) cache: kmalloc-96, object size: 96, buffer size: 128, default order: 0, min order: 0 node 0: slabs: 116, objs: 3712, free: 0 lowmemorykiller: Killing 'syz-executor.0' (3053) (tgid 3053), adj 1000, to free 1068kB on behalf of 'syz-executor.0' (3053) because cache 7664kB is below limit 8192kB for oom_score_adj 1 Free memory is -13376kB above reserved oom_reaper: reaped process 3053 (syz-executor.0), now anon-rss:0kB, file-rss:4kB, shmem-rss:0kB rsyslogd invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 CPU: 0 PID: 1906 Comm: rsyslogd Not tainted 4.9.189+ #2 ffff8801d3b2f6f0 ffffffff81b65c01 ffff8801d3b2fa48 ffffffff833f14f0 0000000000000000 ffff8801d3b2fa60 0000000000000000 ffff8801d3b2f770 ffffffff81506abb 0000000000000000 0000000000000000 ffffffff828289d5 Call Trace: [<00000000f222e4f7>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000f222e4f7>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000206f6772>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000fc142377>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000fb08c296>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000fb08c296>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000e81393be>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000e81393be>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000e81393be>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<000000001794940d>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000001794940d>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000001794940d>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000001794940d>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<000000001794940d>] pagecache_get_page+0x248/0x740 mm/filemap.c:1367 [<000000002c40e698>] filemap_fault+0xb1f/0x1360 mm/filemap.c:2331 [<000000007ef0db34>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<0000000035220a45>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<00000000d8f03312>] do_read_fault mm/memory.c:3202 [inline] [<00000000d8f03312>] do_fault mm/memory.c:3338 [inline] [<00000000d8f03312>] handle_pte_fault mm/memory.c:3547 [inline] [<00000000d8f03312>] __handle_mm_fault mm/memory.c:3634 [inline] [<00000000d8f03312>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<0000000079fbdebe>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1404 [<000000004144604c>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1467 [<00000000ea946d72>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 Mem-Info: active_anon:5314 inactive_anon:39 isolated_anon:0 active_file:130 inactive_file:102 isolated_file:0 unevictable:0 dirty:13 writeback:0 unstable:0 slab_reclaimable:3902 slab_unreclaimable:58230 mapped:191 shmem:48 pagetables:436 bounce:0 free:11352 free_pcp:329 free_cma:0 Node 0 active_anon:21256kB inactive_anon:156kB active_file:520kB inactive_file:508kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:764kB dirty:52kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no DMA32 free:279144kB min:4696kB low:7712kB high:10728kB active_anon:40kB inactive_anon:0kB active_file:252kB inactive_file:492kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:32kB slab_unreclaimable:104kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:1132kB local_pcp:488kB free_cma:0kB lowmem_reserve[]: 0 3505 3505 Normal free:5516kB min:5580kB low:9168kB high:12756kB active_anon:21216kB inactive_anon:156kB active_file:200kB inactive_file:156kB unevictable:0kB writepending:36kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15576kB slab_unreclaimable:232816kB kernel_stack:4032kB pagetables:1744kB bounce:0kB free_pcp:192kB local_pcp:36kB free_cma:0kB lowmem_reserve[]: 0 0 0 DMA32: 5*4kB (UM) 3*8kB (UM) 4*16kB (UM) 5*32kB (UM) 3*64kB (UE) 3*128kB (UE) 4*256kB (UE) 3*512kB (UE) 23*1024kB (UE) 2*2048kB (U) 0*4096kB = 31052kB Normal: 102*4kB (MEH) 44*8kB (UMEH) 66*16kB (UMEH) 39*32kB (UMEH) 24*64kB [ 69.920246] lowmemorykiller: Killing 'syz-executor.2' (2993) (tgid 2993), adj 1000, to free 124kB on behalf of 'syz-executor.2' (2993) because cache 728kB is below limit 6144kB for oom_score_adj 0 Free memory is -7704kB above reserved (UMH) 7*128kB (UMH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 5496kB 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 5383 184 15 3 0 -1000 udevd [ 584] 0 584 5383 184 14 3 0 -1000 udevd [ 585] 0 585 5383 184 14 3 0 -1000 udevd [ 1761] 0 1761 2492 574 8 3 0 0 dhclient [ 1902] 0 1902 14264 110 23 3 0 0 rsyslogd [ 1957] 0 1957 3735 44 11 3 0 0 mcstransd [ 1959] 0 1959 12926 1233 28 3 0 0 restorecond [ 1966] 0 1966 4724 52 15 3 0 0 cron [ 2003] 0 2003 12489 153 28 3 0 -1000 sshd [ 2033] 0 2033 3648 37 13 3 0 0 getty [ 2070] 0 2070 17820 196 40 3 0 0 sshd [ 2072] 0 2072 33844 1832 30 5 0 0 syz-execprog [ 2085] 0 2085 3648 43 12 3 0 0 getty [ 2086] 0 2086 3648 43 12 3 0 0 getty [ 2087] 0 2087 3648 43 13 3 0 0 getty [ 2088] 0 2088 3648 42 13 3 0 0 getty [ 2089] 0 2089 3648 42 13 3 0 0 getty [ 2090] 0 2090 3648 43 13 3 0 0 getty [ 2092] 0 2092 9408 16 5 2 0 0 syz-executor.3 [ 2096] 0 2096 9407 23 6 3 0 0 syz-executor.3 [ 2097] 0 2097 9408 16 5 2 0 0 syz-executor.2 [ 2098] 0 2098 9408 15 5 2 0 0 syz-executor.0 [ 2099] 0 2099 9407 22 6 3 0 0 syz-executor.2 [ 2100] 0 2100 9408 16 5 2 0 0 syz-executor.4 [ 2102] 0 2102 9407 22 6 3 0 0 syz-executor.0 [ 2103] 0 2103 9408 16 5 2 0 0 syz-executor.5 lowmemorykiller: Killing 'syz-executor.2' (2993) (tgid 2993), adj 1000, to free 124kB on behalf of 'syz-execprog' (2094) because cache 232kB is below limit 6144kB for oom_score_adj 0 Free memory is -13296kB above reserved lowmemorykiller: Killing 'syz-executor.2' (2993) (tgid 2993), adj 1000, to free 124kB on behalf of 'udevd' (585) because cache 232kB is below limit 6144kB for oom_score_adj 0 Free memory is -13296kB above reserved [ 2105] 0 2105 9407 22 6 3 0 0 syz-executor.4 [ 2107] 0 2107 9408 16 5 2 0 0 syz-executor.1 [ 2108] 0 2108 9407 22 6 3 0 0 syz-executor.5 [ 2111] 0 2111 9407 23 6 3 0 0 syz-executor.1 [ 2993] 0 2993 9507 31 9 4 0 1000 syz-executor.2 [ 2994] 0 2994 9507 31 9 4 0 1000 syz-executor.5 [ 3026] 0 3026 9507 31 9 4 0 1000 syz-executor.4 [ 3057] 0 3057 5383 185 14 3 0 -1000 udevd [ 3058] 0 3058 5383 184 12 3 0 -1000 udevd Out of memory: Kill process 2993 (syz-executor.2) score 999 or sacrifice child Killed process 2993 (syz-executor.2) total-vm:38028kB, anon-rss:124kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 2993 (syz-executor.2), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 2994 (syz-executor.5), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 3026 (syz-executor.4), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB udevd invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=-1000 CPU: 1 PID: 585 Comm: udevd Not tainted 4.9.189+ #2 ffff8801cfa376f0 ffffffff81b65c01 ffff8801cfa37a48 ffffffff833f14f0 00000000fffffc18 ffff8801cfa37a60 0000000000000000 ffff8801cfa37770 ffffffff81506abb 0000000000000000 00000000fffffc18 ffffffff828289d5 Call Trace: [<00000000f222e4f7>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000f222e4f7>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000206f6772>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000fc142377>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000fb08c296>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000fb08c296>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000e81393be>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000e81393be>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000e81393be>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<000000001794940d>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000001794940d>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000001794940d>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000001794940d>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<000000001794940d>] pagecache_get_page+0x248/0x740 mm/filemap.c:1367 [<000000002c40e698>] filemap_fault+0xb1f/0x1360 mm/filemap.c:2331 [<000000007ef0db34>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<0000000035220a45>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<00000000d8f03312>] do_read_fault mm/memory.c:3202 [inline] [<00000000d8f03312>] do_fault mm/memory.c:3338 [inline] [<00000000d8f03312>] handle_pte_fault mm/memory.c:3547 [inline] [<00000000d8f03312>] __handle_mm_fault mm/memory.c:3634 [inline] [<00000000d8f03312>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<0000000079fbdebe>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1404 [<000000004144604c>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1467 [<00000000ea946d72>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 Mem-Info: active_anon:5254 inactive_anon:38 isolated_anon:0 active_file:13 inactive_file:45 isolated_file:0 unevictable:0 dirty:1 writeback:0 unstable:0 slab_reclaimable:3915 slab_unreclaimable:58204 mapped:12 shmem:48 pagetables:446 bounce:0 free:255 free_pcp:64 free_cma:0 Node 0 active_anon:21016kB inactive_anon:152kB active_file:52kB inactive_file:180kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48kB dirty:4kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes DMA32 free:40kB min:4696kB low:7712kB high:10728kB active_anon:88kB inactive_anon:4kB active_file:36kB inactive_file:108kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:48kB slab_unreclaimable:676kB kernel_stack:64kB pagetables:108kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB Normal free:980kB min:5580kB low:9168kB high:12756kB active_anon:20928kB inactive_anon:148kB active_file:16kB inactive_file:72kB unevictable:0kB writepending:4kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15612kB slab_unreclaimable:232140kB kernel_stack:4000kB pagetables:1676kB bounce:0kB free_pcp:136kB 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 5383 184 15 3 0 -1000 udevd [ 584] 0 584 5383 184 14 3 0 -1000 udevd [ 585] 0 585 5383 184 14 3 0 -1000 udevd [ 1761] 0 1761 2492 574 8 3 0 0 dhclient [ 1902] 0 1902 14264 110 23 3 0 0 rsyslogd [ 1957] 0 1957 3735 44 11 3 0 0 mcstransd [ 1959] 0 1959 12926 1233 28 3 0 0 restorecond [ 1966] 0 1966 4724 52 15 3 0 0 cron [ 2003] 0 2003 12489 153 28 3 0 -1000 sshd [ 2033] 0 2033 3648 37 13 3 0 0 getty [ 2070] 0 2070 17820 196 40 3 0 0 sshd [ 2072] 0 2072 33844 1832 30 5 0 0 syz-execprog [ 2085] 0 2085 3648 43 12 3 0 0 getty [ 2086] 0 2086 3648 43 12 3 0 0 getty [ 2087] 0 2087 3648 43 13 3 0 0 getty [ 2088] 0 2088 3648 42 13 3 0 0 getty [ 2089] 0 2089 3648 42 13 3 0 0 getty [ 2090] 0 2090 3648 43 13 3 0 0 getty [ 2092] 0 2092 9408 16 5 2 0 0 syz-executor.3 [ 2096] 0 2096 9407 23 6 3 0 0 syz-executor.3 [ 2097] 0 2097 9408 16 5 2 0 0 syz-executor.2 [ 2098] 0 2098 9408 15 5 2 0 0 syz-executor.0 [ 2099] 0 2099 9407 22 6 3 0 0 syz-executor.2 [ 2100] 0 2100 9408 16 5 2 0 0 syz-executor.4 [ 2102] 0 2102 9407 22 6 3 0 0 syz-executor.0 [ 2103] 0 2103 9408 16 5 2 0 0 syz-executor.5 [ 2105] 0 2105 9407 22 6 3 0 0 syz-executor.4 [ 2107] 0 2107 9408 16 5 2 0 0 syz-executor.1 [ 2108] 0 2108 9407 22 6 3 0 0 syz-executor.5 [ 2111] 0 2111 9407 23 6 3 0 0 syz-executor.1 [ 2993] 0 2993 9507 0 9 4 0 1000 syz-executor.2 [ 2994] 0 2994 9507 0 9 4 0 1000 syz-executor.5 [ 3026] 0 3026 9507 0 9 4 0 1000 syz-executor.4 [ 3057] 0 3057 5383 185 14 3 0 -1000 udevd [ 3058] 0 3058 5383 184 12 3 0 -1000 udevd Out of memory: Kill process 2072 (syz-execprog) score 1 or sacrifice child Killed process 2092 (syz-executor.3) total-vm:37632kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB udevd invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=-1000 CPU: 1 PID: 585 Comm: udevd Not tainted 4.9.189+ #2 ffff8801cfa376f0 ffffffff81b65c01 ffff8801cfa37a48 ffffffff833f14f0 00000000fffffc18 ffff8801cfa37a60 0000000000000000 ffff8801cfa37770 ffffffff81506abb 0000000000000000 00000000fffffc18 ffffffff828289d5 Call Trace: [<00000000f222e4f7>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000f222e4f7>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000206f6772>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000fc142377>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000fb08c296>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000fb08c296>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000e81393be>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000e81393be>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000e81393be>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<000000001794940d>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000001794940d>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000001794940d>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000001794940d>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<000000001794940d>] pagecache_get_page+0x248/0x740 mm/filemap.c:1367 [<000000002c40e698>] filemap_fault+0xb1f/0x1360 mm/filemap.c:2331 [<000000007ef0db34>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<0000000035220a45>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<00000000d8f03312>] do_read_fault mm/memory.c:3202 [inline] [<00000000d8f03312>] do_fault mm/memory.c:3338 [inline] [<00000000d8f03312>] handle_pte_fault mm/memory.c:3547 [inline] [<00000000d8f03312>] __handle_mm_fault mm/memory.c:3634 [inline] [<00000000d8f03312>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<0000000079fbdebe>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1404 [<000000004144604c>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1467 [<00000000ea946d72>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 Mem-Info: active_anon:5229 inactive_anon:38 isolated_anon:0 active_file:13 inactive_file:45 isolated_file:0 unevictable:0 dirty:1 writeback:0 unstable:0 slab_reclaimable:3915 slab_unreclaimable:58204 mapped:12 shmem:48 pagetables:446 bounce:0 free:255 free_pcp:120 free_cma:0 Node 0 active_anon:20916kB inactive_anon:152kB active_file:52kB inactive_file:180kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48kB dirty:4kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes DMA32 free:40kB min:4696kB low:7712kB high:10728kB active_anon:88kB inactive_anon:4kB active_file:36kB inactive_file:108kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:48kB slab_unreclaimable:676kB kernel_stack:64kB pagetables:108kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB Normal free:980kB min:5580kB low:9168kB high:12756kB active_anon:20828kB inactive_anon:148kB active_file:16kB inactive_file:72kB unevictable:0kB writepending:4kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15612kB slab_unreclaimable:232140kB kernel_stack:3968kB pagetables:1676kB bounce:0kB free_pcp:360kB local_pcp:224kB 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 5383 184 15 3 0 -1000 udevd [ 584] 0 584 5383 184 14 3 0 -1000 udevd [ 585] 0 585 5383 184 14 3 0 -1000 udevd [ 1761] 0 1761 2492 574 8 3 0 0 dhclient [ 1902] 0 1902 14264 110 23 3 0 0 rsyslogd [ 1957] 0 1957 3735 44 11 3 0 0 mcstransd [ 1959] 0 1959 12926 1233 28 3 0 0 restorecond [ 1966] 0 1966 4724 52 15 3 0 0 cron [ 2003] 0 2003 12489 153 28 3 0 -1000 sshd [ 2033] 0 2033 3648 37 13 3 0 0 getty [ 2070] 0 2070 17820 196 40 3 0 0 sshd [ 2072] 0 2072 33844 1832 30 5 0 0 syz-execprog [ 2085] 0 2085 3648 43 12 3 0 0 getty [ 2086] 0 2086 3648 43 12 3 0 0 getty [ 2087] 0 2087 3648 43 13 3 0 0 getty [ 2088] 0 2088 3648 42 13 3 0 0 getty [ 2089] 0 2089 3648 42 13 3 0 0 getty [ 2090] 0 2090 3648 43 13 3 0 0 getty [ 2097] 0 2097 9408 16 5 2 0 0 syz-executor.2 [ 2098] 0 2098 9408 15 5 2 0 0 syz-executor.0 [ 2099] 0 2099 9407 22 6 3 0 0 syz-executor.2 [ 2100] 0 2100 9408 16 5 2 0 0 syz-executor.4 [ 2102] 0 2102 9407 22 6 3 0 0 syz-executor.0 [ 2103] 0 2103 9408 16 5 2 0 0 syz-executor.5 [ 2105] 0 2105 9407 22 6 3 0 0 syz-executor.4 [ 2107] 0 2107 9408 16 5 2 0 0 syz-executor.1 [ 2108] 0 2108 9407 22 6 3 0 0 syz-executor.5 [ 2111] 0 2111 9407 23 6 3 0 0 syz-executor.1 [ 2993] 0 2993 9507 0 9 4 0 1000 syz-executor.2 [ 2994] 0 2994 9507 0 9 4 0 1000 syz-executor.5 [ 3026] 0 3026 9507 0 9 4 0 1000 syz-executor.4 [ 3057] 0 3057 5383 185 14 3 0 -1000 udevd [ 3058] 0 3058 5383 184 12 3 0 -1000 udevd Out of memory: Kill process 2072 (syz-execprog) score 1 or sacrifice child Killed process 2097 (syz-executor.2) total-vm:37632kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB udevd invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=-1000 CPU: 1 PID: 585 Comm: udevd Not tainted 4.9.189+ #2 ffff8801cfa376f0 ffffffff81b65c01 ffff8801cfa37a48 ffffffff833f14f0 00000000fffffc18 ffff8801cfa37a60 0000000000000000 ffff8801cfa37770 ffffffff81506abb 0000000000000000 00000000fffffc18 ffffffff828289d5 Call Trace: [<00000000f222e4f7>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000f222e4f7>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000206f6772>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000fc142377>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000fb08c296>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000fb08c296>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000e81393be>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000e81393be>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000e81393be>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<000000001794940d>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000001794940d>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000001794940d>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000001794940d>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<000000001794940d>] pagecache_get_page+0x248/0x740 mm/filemap.c:1367 [<000000002c40e698>] filemap_fault+0xb1f/0x1360 mm/filemap.c:2331 [<000000007ef0db34>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<0000000035220a45>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<00000000d8f03312>] do_read_fault mm/memory.c:3202 [inline] [<00000000d8f03312>] do_fault mm/memory.c:3338 [inline] [<00000000d8f03312>] handle_pte_fault mm/memory.c:3547 [inline] [<00000000d8f03312>] __handle_mm_fault mm/memory.c:3634 [inline] [<00000000d8f03312>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<0000000079fbdebe>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1404 [<000000004144604c>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1467 [<00000000ea946d72>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 Mem-Info: active_anon:5204 inactive_anon:38 isolated_anon:0 active_file:13 inactive_file:45 isolated_file:0 unevictable:0 dirty:1 writeback:0 unstable:0 slab_reclaimable:3915 slab_unreclaimable:58204 mapped:12 shmem:48 pagetables:446 bounce:0 free:255 free_pcp:175 free_cma:0 Node 0 active_anon:20816kB inactive_anon:152kB active_file:52kB inactive_file:180kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48kB dirty:4kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes DMA32 free:40kB min:4696kB low:7712kB high:10728kB active_anon:88kB inactive_anon:4kB active_file:36kB inactive_file:108kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:48kB slab_unreclaimable:676kB kernel_stack:64kB pagetables:108kB bounce:0kB free_pcp:132kB local_pcp:0kB free_cma:0kB Normal free:980kB min:5580kB low:9168kB high:12756kB active_anon:20728kB inactive_anon:148kB active_file:16kB inactive_file:72kB unevictable:0kB writepending:4kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15612kB slab_unreclaimable:232140kB kernel_stack:3936kB pagetables:1676kB bounce:0kB free_pcp:568kB local_pcp:308kB 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 5383 184 15 3 0 -1000 udevd [ 584] 0 584 5383 184 14 3 0 -1000 udevd [ 585] 0 585 5383 184 14 3 0 -1000 udevd [ 1761] 0 1761 2492 574 8 3 0 0 dhclient [ 1902] 0 1902 14264 110 23 3 0 0 rsyslogd [ 1957] 0 1957 3735 44 11 3 0 0 mcstransd [ 1959] 0 1959 12926 1233 28 3 0 0 restorecond [ 1966] 0 1966 4724 52 15 3 0 0 cron [ 2003] 0 2003 12489 153 28 3 0 -1000 sshd [ 2033] 0 2033 3648 37 13 3 0 0 getty [ 2070] 0 2070 17820 196 40 3 0 0 sshd [ 2072] 0 2072 33844 1832 30 5 0 0 syz-execprog [ 2085] 0 2085 3648 43 12 3 0 0 getty [ 2086] 0 2086 3648 43 12 3 0 0 getty [ 2087] 0 2087 3648 43 13 3 0 0 getty [ 2088] 0 2088 3648 42 13 3 0 0 getty [ 2089] 0 2089 3648 42 13 3 0 0 getty [ 2090] 0 2090 3648 43 13 3 0 0 getty [ 2098] 0 2098 9408 15 5 2 0 0 syz-executor.0 [ 2100] 0 2100 9408 16 5 2 0 0 syz-executor.4 [ 2102] 0 2102 9407 22 6 3 0 0 syz-executor.0 [ 2103] 0 2103 9408 16 5 2 0 0 syz-executor.5 [ 2105] 0 2105 9407 22 6 3 0 0 syz-executor.4 [ 2107] 0 2107 9408 16 5 2 0 0 syz-executor.1 [ 2108] 0 2108 9407 22 6 3 0 0 syz-executor.5 [ 2111] 0 2111 9407 23 6 3 0 0 syz-executor.1 [ 2993] 0 2993 9507 0 9 4 0 1000 syz-executor.2 [ 2994] 0 2994 9507 0 9 4 0 1000 syz-executor.5 [ 3026] 0 3026 9507 0 9 4 0 1000 syz-executor.4 [ 3057] 0 3057 5383 185 14 3 0 -1000 udevd [ 3058] 0 3058 5383 184 12 3 0 -1000 udevd Out of memory: Kill process 2072 (syz-execprog) score 1 or sacrifice child Killed process 2103 (syz-executor.5) total-vm:37632kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB udevd invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=-1000 CPU: 1 PID: 585 Comm: udevd Not tainted 4.9.189+ #2 ffff8801cfa376f0 ffffffff81b65c01 ffff8801cfa37a48 ffffffff833f14f0 00000000fffffc18 ffff8801cfa37a60 0000000000000000 ffff8801cfa37770 ffffffff81506abb 0000000000000000 00000000fffffc18 ffffffff828289d5 Call Trace: [<00000000f222e4f7>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000f222e4f7>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000206f6772>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000fc142377>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000fb08c296>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000fb08c296>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000e81393be>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000e81393be>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000e81393be>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<000000001794940d>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000001794940d>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000001794940d>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000001794940d>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<000000001794940d>] pagecache_get_page+0x248/0x740 mm/filemap.c:1367 [<000000002c40e698>] filemap_fault+0xb1f/0x1360 mm/filemap.c:2331 [<000000007ef0db34>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<0000000035220a45>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<00000000d8f03312>] do_read_fault mm/memory.c:3202 [inline] [<00000000d8f03312>] do_fault mm/memory.c:3338 [inline] [<00000000d8f03312>] handle_pte_fault mm/memory.c:3547 [inline] [<00000000d8f03312>] __handle_mm_fault mm/memory.c:3634 [inline] [<00000000d8f03312>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<0000000079fbdebe>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1404 [<000000004144604c>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1467 [<00000000ea946d72>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 Mem-Info: active_anon:5154 inactive_anon:38 isolated_anon:0 active_file:13 inactive_file:45 isolated_file:0 unevictable:0 dirty:1 writeback:0 unstable:0 slab_reclaimable:3915 slab_unreclaimable:58204 mapped:12 shmem:48 pagetables:446 bounce:0 free:255 free_pcp:230 free_cma:0 Node 0 active_anon:20616kB inactive_anon:152kB active_file:52kB inactive_file:180kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48kB dirty:4kB writeback:0kB shmem:192kB writeback_tmp:0kB unstable:0kB pages_scanned:1 all_unreclaimable? yes DMA32 free:40kB min:4696kB low:7712kB high:10728kB active_anon:88kB inactive_anon:4kB active_file:36kB inactive_file:108kB unevictable:0kB writepending:0kB present:3145324kB managed:3020100kB mlocked:0kB slab_reclaimable:48kB slab_unreclaimable:676kB kernel_stack:64kB pagetables:108kB bounce:0kB free_pcp:144kB local_pcp:0kB free_cma:0kB Normal free:980kB min:5580kB low:9168kB high:12756kB active_anon:20528kB inactive_anon:148kB active_file:16kB inactive_file:72kB unevictable:0kB writepending:4kB present:4718592kB managed:3589316kB mlocked:0kB slab_reclaimable:15612kB slab_unreclaimable:232140kB kernel_stack:3904kB pagetables:1676kB bounce:0kB free_pcp:776kB local_pcp:392kB 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 5383 184 15 3 0 -1000 udevd [ 584] 0 584 5383 184 14 3 0 -1000 udevd [ 585] 0 585 5383 184 14 3 0 -1000 udevd [ 1761] 0 1761 2492 574 8 3 0 0 dhclient [ 1902] 0 1902 14264 110 23 3 0 0 rsyslogd [ 1957] 0 1957 3735 44 11 3 0 0 mcstransd [ 1959] 0 1959 12926 1233 28 3 0 0 restorecond [ 1966] 0 1966 4724 52 15 3 0 0 cron [ 2003] 0 2003 12489 153 28 3 0 -1000 sshd [ 2033] 0 2033 3648 37 13 3 0 0 getty [ 2070] 0 2070 17820 196 40 3 0 0 sshd [ 2072] 0 2072 33844 1832 30 5 0 0 syz-execprog [ 2085] 0 2085 3648 43 12 3 0 0 getty [ 2086] 0 2086 3648 43 12 3 0 0 getty [ 2087] 0 2087 3648 43 13 3 0 0 getty [ 2088] 0 2088 3648 42 13 3 0 0 getty [ 2089] 0 2089 3648 42 13 3 0 0 getty [ 2090] 0 2090 3648 43 13 3 0 0 getty [ 2098] 0 2098 9408 15 5 2 0 0 syz-executor.0 [ 2100] 0 2100 9408 16 5 2 0 0 syz-executor.4 [ 2102] 0 2102 9407 22 6 3 0 0 syz-executor.0 [ 2105] 0 2105 9407 22 6 3 0 0 syz-executor.4 [ 2107] 0 2107 9408 16 5 2 0 0 syz-executor.1 [ 2111] 0 2111 9407 23 6 3 0 0 syz-executor.1 [ 2993] 0 2993 9507 0 9 4 0 1000 syz-executor.2 [ 2994] 0 2994 9507 0 9 4 0 1000 syz-executor.5 [ 3026] 0 3026 9507 0 9 4 0 1000 syz-executor.4 [ 3057] 0 3057 5383 185 14 3 0 -1000 udevd [ 3058] 0 3058 5383 184 12 3 0 -1000 udevd Out of memory: Kill process 2072 (syz-execprog) score 1 or sacrifice child Killed process 2107 (syz-executor.1) total-vm:37632kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB syz-executor.0 invoked oom-killer: gfp_mask=0x24200ca(GFP_HIGHUSER_MOVABLE), nodemask=0, order=0, oom_score_adj=0 CPU: 0 PID: 2102 Comm: syz-executor.0 Not tainted 4.9.189+ #2 ffff8801ce24f6f0 ffffffff81b65c01 ffff8801ce24fa48 ffffffff833f14f0 0000000000000000 ffff8801ce24fa60 0000000000000000 ffff8801ce24f770 ffffffff81506abb 0000000000000000 0000000000000000 ffffffff828289d5 Call Trace: [<00000000f222e4f7>] __dump_stack lib/dump_stack.c:15 [inline] [<00000000f222e4f7>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000206f6772>] dump_header.isra.0+0x142/0x74c mm/oom_kill.c:417 [<00000000fc142377>] oom_kill_process.cold+0xd/0xa74 mm/oom_kill.c:852 [<00000000fb08c296>] out_of_memory mm/oom_kill.c:1069 [inline] [<00000000fb08c296>] out_of_memory+0x29b/0xea0 mm/oom_kill.c:1009 [<00000000e81393be>] __alloc_pages_may_oom mm/page_alloc.c:3136 [inline] [<00000000e81393be>] __alloc_pages_slowpath mm/page_alloc.c:3750 [inline] [<00000000e81393be>] __alloc_pages_nodemask+0x1730/0x1a80 mm/page_alloc.c:3861 [<000000001794940d>] __alloc_pages include/linux/gfp.h:433 [inline] [<000000001794940d>] __alloc_pages_node include/linux/gfp.h:446 [inline] [<000000001794940d>] alloc_pages_node include/linux/gfp.h:460 [inline] [<000000001794940d>] __page_cache_alloc include/linux/pagemap.h:208 [inline] [<000000001794940d>] pagecache_get_page+0x248/0x740 mm/filemap.c:1367 [<000000002c40e698>] filemap_fault+0xb1f/0x1360 mm/filemap.c:2331 [<000000007ef0db34>] ext4_filemap_fault+0x72/0xa0 fs/ext4/inode.c:5854 [<0000000035220a45>] __do_fault+0x2a8/0x6c0 mm/memory.c:2855 [<00000000d8f03312>] do_read_fault mm/memory.c:3202 [inline] [<00000000d8f03312>] do_fault mm/memory.c:3338 [inline] [<00000000d8f03312>] handle_pte_fault mm/memory.c:3547 [inline] [<00000000d8f03312>] __handle_mm_fault mm/memory.c:3634 [inline] [<00000000d8f03312>] handle_mm_fault+0x11bc/0x2420 mm/memory.c:3671 [<0000000079fbdebe>] __do_page_fault+0x3f0/0xa60 arch/x86/mm/fault.c:1404 [<000000004144604c>] do_page_fault+0x28/0x30 arch/x86/mm/fault.c:1467 [<00000000ea946d72>] page_fault+0x25/0x30 arch/x86/entry/entry_64.S:956 Mem-Info: active_anon:5129 inactive_anon:38 isolated_anon:0 active_file:13 inactive_file:45 isolated_file:0 unevictable:0 dirty:1 writeback:0 unstable:0 slab_reclaimable:3915 slab_unreclaimable:58204 mapped:12 shmem:48 pagetables:409 bounce:0 free:255 free_pcp:286 free_cma:0