PID: 1      TASK: ffff8801f4956040  CPU: 0   COMMAND: "systemd"
 #0 [ffffc90040c4f800] __schedule at ffffffff8160ebbd
    kernel/sched/core.c: 2902
    ffffc90040c4f808: 0000000000000000 init_task
    ffffc90040c4f818: [ffff8801f4956040:task_struct] ffff8801f5a187c0
    ffffc90040c4f828: ffffc90040c4f880 __schedule+573
    ffffc90040c4f838: move_freepages+149 list_del+9
    ffffc90040c4f848: 0000000002cebf80 __rmqueue+136
    ffffc90040c4f858: [ffff8801f4956040:task_struct] 7fffffffffffffff
    ffffc90040c4f868: [ffff8801f129a850:kmalloc-192] 7fffffffffffffff
    ffffc90040c4f878: [ffff8801f0a9c040:request_queue] ffffc90040c4f918
    ffffc90040c4f888: schedule+50
 #1 [ffffc90040c4f888] schedule at ffffffff8160f082
    arch/x86/include/asm/bitops.h: 311
    ffffc90040c4f890: 0000000000000000 schedule_timeout+492
 #2 [ffffc90040c4f898] schedule_timeout at ffffffff8161255c
    kernel/time/timer.c: 1771
    ffffc90040c4f8a0: 0000000000000001 ffffea0004f18880
    ffffc90040c4f8b0: ffffea0004f18840 ffff8801ff01bb80
    ffffc90040c4f8c0: get_page_from_freelist+848 ffffc90040c4f8c8
    ffffc90040c4f8d0: ffffc90040c4f8c8 000059bd97399f43
    ffffc90040c4f8e0: 0000000000000000 78bd7181eeb35a00
    ffffc90040c4f8f0: 0000000000000000 7fffffffffffffff
    ffffc90040c4f900: [ffff8801f129a850:kmalloc-192] [ffff8801f16e4300:kmalloc-256]
    ffffc90040c4f910: [ffff8801f0a9c040:request_queue] ffff8801f5a187c0
    ffffc90040c4f920: io_schedule_timeout+180
 #3 [ffffc90040c4f920] io_schedule_timeout at ffffffff8160e904
    arch/x86/include/asm/current.h: 14
    ffffc90040c4f928: __sbitmap_queue_get+36 [ffff8801f120e988:kmalloc-512]
    ffffc90040c4f938: [ffff8801f1037000:kmalloc-1024] ffffc90040c4fa00
    ffffc90040c4f948: bt_get+297
 #4 [ffffc90040c4f948] bt_get at ffffffff813114f9
    block/blk-mq-tag.c: 143
    ffffc90040c4f950: list_del+9       0000000000000000
    ffffc90040c4f960: [ffff8801f4956040:task_struct] autoremove_wake_function
    ffffc90040c4f970: [ffff8801f120e990:kmalloc-512] [ffff8801f120e990:kmalloc-512]
    ffffc90040c4f980: 78bd7181eeb35a00 ffffc90040c4fa00
    ffffc90040c4f990: 0000000000000008 0000000000000000
    ffffc90040c4f9a0: ffffc90040c4fa00 blk_mq_get_tag+35
 #5 [ffffc90040c4f9a8] blk_mq_get_tag at ffffffff81311843
    block/blk-mq-tag.c: 165
    ffffc90040c4f9b0: 0000000000000001 __blk_mq_alloc_request+26
 #6 [ffffc90040c4f9b8] __blk_mq_alloc_request at ffffffff8130d1aa
    block/blk-mq.c: 197
    ffffc90040c4f9c0: 0000000000000001 ffffe8ffffc0a140
    ffffc90040c4f9d0: 0000000000000000 0000000000000008
    ffffc90040c4f9e0: [ffff8801f16e4300:kmalloc-256] blk_mq_map_request+205
 #7 [ffffc90040c4f9e8] blk_mq_map_request at ffffffff8130dffd
    block/blk-mq.c: 1209
    ffffc90040c4f9f0: [ffff8801f1037000:kmalloc-1024] ffffc90040c4fa90
    ffffc90040c4fa00: [ffff8801f0a9c040:request_queue] 0000000000000000
    ffffc90040c4fa10: ffffe8ffffc0a140 [ffff8801f1037000:kmalloc-1024]
    ffffc90040c4fa20: 78bd7181eeb35a00 0000000000000001
    ffffc90040c4fa30: 0000000000000000 00000000ffffffff
    ffffc90040c4fa40: [ffff8801f0a9c040:request_queue] 0000000000000001
    ffffc90040c4fa50: 0000000000000001 blk_sq_make_request+202
 #8 [ffffc90040c4fa58] blk_sq_make_request at ffffffff8131016a
    block/blk-mq.c: 1375
    ffffc90040c4fa60: [ffff8801f10379e0:kmalloc-1024] [ffff8801f0a9c040:request_queue]
    ffffc90040c4fa70: generic_make_request_checks+554 ffffc90040c4fad0
    ffffc90040c4fa80: [ffff8801f16e4300:kmalloc-256] 0000000088000102
    ffffc90040c4fa90: 78bd7181eeb35a00 [ffff8801f3fa6890:ext4_inode_cache]
    ffffc90040c4faa0: 78bd7181eeb35a00 [ffff8801f16e4300:kmalloc-256]
    ffffc90040c4fab0: ffffc90040c4fb30 00000000ffffffff
    ffffc90040c4fac0: [ffff8801f0a9c040:request_queue] 0000000000000001
    ffffc90040c4fad0: 0000000000000001 generic_make_request+289
 #9 [ffffc90040c4fad8] generic_make_request at ffffffff81304761
    block/blk-core.c: 2051
    ffffc90040c4fae0: 0000000000000000 0000000000000000
    ffffc90040c4faf0: 0000000000000000 0000000000000000
    ffffc90040c4fb00: __add_to_page_cache_locked+387 78bd7181eeb35a00
    ffffc90040c4fb10: 00000000028e2388 [ffff8801f16e4300:kmalloc-256]
    ffffc90040c4fb20: ffffea0004a376c0 0000000000000001
    ffffc90040c4fb30: 0000000000000020 submit_bio+118
#10 [ffffc90040c4fb38] submit_bio at ffffffff81304976
    block/blk-core.c: 2123
    ffffc90040c4fb40: ffffea0004a376c0 0000000000000000
    ffffc90040c4fb50: add_to_page_cache_lru+132 00028e2388000102
    ffffc90040c4fb60: 78bd7181eeb35a00 78bd7181eeb35a00
    ffffc90040c4fb70: 00000000000000f0 0000000000000013
    ffffc90040c4fb80: ext4_mpage_readpages+697
#11 [ffffc90040c4fb80] ext4_mpage_readpages at ffffffffc017b9d9 [ext4]
    ffffc90040c4fb88: 024200caffffffff [ffff8801f3fa6718:ext4_inode_cache]
    ffffc90040c4fb98: ffffea0006bd4400 ffffc90040c4fcd0
    ffffc90040c4fba8: [ffff8801f16e4300:kmalloc-256] 0000001500000015
    ffffc90040c4fbb8: [ffff8801f3fa6890:ext4_inode_cache] 000010000000000c
    ffffc90040c4fbc8: 0000000001652086 [ffff8801f4956040:task_struct]
    ffffc90040c4fbd8: [ffff8801f3eaaa40:bdev_cache] [ffff8801f4956040:task_struct]
    ffffc90040c4fbe8: [ffff8801f4956040:task_struct] [ffff8801f4956040:task_struct]
    ffffc90040c4fbf8: 0000000001652083 00000019000000e9
    ffffc90040c4fc08: 0000000000000020 0000000001652089
    ffffc90040c4fc18: preferred_node_policy 00000000024213ca
    ffffc90040c4fc28: 0000000000000000 0000000000000000
    ffffc90040c4fc38: [ffff8801f4956040:task_struct] [ffff8801f4956040:task_struct]
    ffffc90040c4fc48: alloc_pages_current+138 78bd7181eeb35a00
    ffffc90040c4fc58: 0000000000000020 ffffc90040c4fd50
    ffffc90040c4fc68: 0000000000000108 0000000000000020
    ffffc90040c4fc78: 0000000000000019 00000000000000e9
    ffffc90040c4fc88: __do_page_cache_readahead+405
#12 [ffffc90040c4fc88] __do_page_cache_readahead at ffffffff8118e745
    mm/readahead.c: 123
    ffffc90040c4fc90: [ffff8801f179d300:kmalloc-256] [ffff8801f3fa6890:ext4_inode_cache]
    ffffc90040c4fca0: 0000000000000018 024213ca81337a06
    ffffc90040c4fcb0: 0000000000000140 ffffea0006b34c80
    ffffc90040c4fcc0: [ffff8801f3fa6898:ext4_inode_cache] 0000000000000020
    ffffc90040c4fcd0: ffffea0006b34ca0 ffffea00069b9a60
    ffffc90040c4fce0: ffffc90040c4fce0 ffffc90040c4fce0
    ffffc90040c4fcf0: ffffc90040c4fcf0 ffffc90040c4fcf0
    ffffc90040c4fd00: ffffc90040c4fd00 ffffc90040c4fd00
    ffffc90040c4fd10: 0000000000000000 78bd7181eeb35a00
    ffffc90040c4fd20: pagecache_get_page+39 00000000000000f9
    ffffc90040c4fd30: [ffff8801f179d300:kmalloc-256] 0000000000000000
    ffffc90040c4fd40: ffffc90040c4fde8 [ffff8801f3fa6718:ext4_inode_cache]
    ffffc90040c4fd50: [ffff8801f179d3a0:kmalloc-256] filemap_fault+630
#13 [ffffc90040c4fd58] filemap_fault at ffffffff811818e6
    mm/filemap.c: 2133
    ffffc90040c4fd60: 0000000000000101 [ffff8801f3fa6890:ext4_inode_cache]
    ffffc90040c4fd70: ffffc90040c4fde8 [ffff8801f1794af0:vm_area_struct]
    ffffc90040c4fd80: [ffff8801f1794af0:vm_area_struct] [ffff8801f3fa66f0:ext4_inode_cache]
    ffffc90040c4fd90: [ffff8801f1794af0:vm_area_struct] ffffc90040c4fde8
    ffffc90040c4fda0: 0000564c1f3b7223 0000000000000000
    ffffc90040c4fdb0: 0000000000000000 ext4_filemap_fault+49
#14 [ffffc90040c4fdb8] ext4_filemap_fault at ffffffffc0138491 [ext4]
    ffffc90040c4fdc0: [ffff8801f1794af0:vm_area_struct] ffffc90040c4fe68
    ffffc90040c4fdd0: 0000000000000000 __do_fault+132
#15 [ffffc90040c4fdd8] __do_fault at ffffffff811b23a4
    mm/memory.c: 2828
    ffffc90040c4fde0: 0000000000000040 024200ca00000054
    ffffc90040c4fdf0: 00000000000000f9 0000564c1f3b7000
    ffffc90040c4fe00: 0000000000000000 0000000000000000
    ffffc90040c4fe10: ffff880000000d88 78bd7181eeb35a00
    ffffc90040c4fe20: [ffff8801f1794af0:vm_area_struct] 0000000000000040
    ffffc90040c4fe30: 00000000000000f9 handle_mm_fault+3806
#16 [ffffc90040c4fe38] handle_mm_fault at ffffffff811b783e
    mm/memory.c: 3155
    ffffc90040c4fe40: ffffc90040c4fe70 0000000000000000
    ffffc90040c4fe50: [ffff8801f4956040:task_struct] 00007ffca20e0e00
    ffffc90040c4fe60: ep_poll+318      [ffff8801f3d09db0:inode_cache]
    ffffc90040c4fe70: [ffff8801f1794af0:vm_area_struct] 0000564c1f3b7223
    ffffc90040c4fe80: 0000000000000054 ffff8801f17627c8
    ffffc90040c4fe90: 0000000000000000 ffffea0007cd03b0
    ffffc90040c4fea0: 0000000000000000 78bd7181eeb35a00
    ffffc90040c4feb0: 0000000000000004 0000564c1f3b7223
    ffffc90040c4fec0: [ffff8801f1797c00:mm_struct] ffffc90040c4ff58
    ffffc90040c4fed0: 0000000000000054 [ffff8801f4956040:task_struct]
    ffffc90040c4fee0: __do_page_fault+618
#17 [ffffc90040c4fee0] __do_page_fault at ffffffff8105feda
    arch/x86/mm/fault.c: 1398
    ffffc90040c4fee8: [ffff8801f1797c68:mm_struct] 00000000f1275c00
    ffffc90040c4fef8: [ffff8801f1794af0:vm_area_struct] 0000000000000000
    ffffc90040c4ff08: 0000000000000000 sys_read+82
    ffffc90040c4ff18: 78bd7181eeb35a00 0000000000000000
    ffffc90040c4ff28: 00007ffca20e0ab0 0000564c1f39dc13
    ffffc90040c4ff38: 0000000000000000 0000000000000000
    ffffc90040c4ff48: 00007ffca20e0c38 page_fault+40
#18 [ffffc90040c4ff50] page_fault at ffffffff81614d58
    arch/x86/entry/entry_64.S: 1026
    RIP: 00007fdaa3eb9dcc  RSP: 00007ffca20e04e0  RFLAGS: 00010286
    RAX: 0000000000000000  RBX: 00007ffca20e0ac0  RCX: ffffffffffffffff
    RDX: 0000000000000030  RSI: 0000564c1f39dc13  RDI: 0000564c1f3b7223
    RBP: 00007ffca20e0ab0   R8: 0000564c1f3b7223   R9: 00007fdaa3eba99a
    R10: 0000564c21226180  R11: 0000000000000001  R12: 0000564c1f39dc13
    R13: 0000000000000000  R14: 0000000000000000  R15: 00007ffca20e0c38
    ORIG_RAX: ffffffffffffffff  CS: e033  SS: e02b