I am getting the following logs from logread after which the device reboots. Can someone please let me know what this exactly means and how to solve it?
Wed Mar 17 10:48:31 2021 kern.alert kernel: [ 215.921894] BUG: Bad page map in process cat pte:00009fdf pmd:7e06d003
Wed Mar 17 10:48:31 2021 kern.emerg kernel: [ 215.928595] page:eeffa120 count:0 mapcount:-1066225216 mapping: (null) index:0x0
Wed Mar 17 10:48:31 2021 kern.emerg kernel: [ 215.936098] flags: 0x4(referenced)
Wed Mar 17 10:48:31 2021 kern.alert kernel: [ 215.939570] raw: 00000004 00000000 00000000 c072b1bf 00000000 00000000 014200ca eeffa13c
Wed Mar 17 10:48:31 2021 kern.alert kernel: [ 215.947706] page dumped because: bad pte
Wed Mar 17 10:48:31 2021 kern.alert kernel: [ 215.951652] addr:b6f3e000 vm_flags:00000875 anon_vma: (null) mapping:eed149cc index:62
Wed Mar 17 10:48:31 2021 kern.alert kernel: [ 215.959741] file:libc.so fault:filemap_fault mmap:generic_file_readonly_mmap readpage:squashfs_readpage
Wed Mar 17 10:48:31 2021 kern.warn kernel: [ 215.969213] CPU: 1 PID: 4783 Comm: cat Not tainted 4.14.34 #0
Wed Mar 17 10:48:31 2021 kern.warn kernel: [ 215.974959] Hardware name: Allwinner sun7i (A20) Family
Wed Mar 17 10:48:31 2021 kern.warn kernel: [ 215.980207] [<c0227654>] (unwind_backtrace) from [<c0223f54>] (show_stack+0x10/0x14)
Wed Mar 17 10:48:31 2021 kern.warn kernel: [ 215.987954] [<c0223f54>] (show_stack) from [<c070b3b4>] (dump_stack+0x88/0x9c)
Wed Mar 17 10:48:31 2021 kern.warn kernel: [ 215.995180] [<c070b3b4>] (dump_stack) from [<c02cbd64>] (print_bad_pte+0x1ac/0x1c0)
Wed Mar 17 10:48:31 2021 kern.warn kernel: [ 216.002833] [<c02cbd64>] (print_bad_pte) from [<c02cd5b0>] (unmap_page_range+0x3cc/0x784)
Wed Mar 17 10:48:31 2021 kern.warn kernel: [ 216.011004] [<c02cd5b0>] (unmap_page_range) from [<c02cdc70>] (unmap_vmas+0x48/0x9c)
Wed Mar 17 10:48:31 2021 kern.warn kernel: [ 216.018744] [<c02cdc70>] (unmap_vmas) from [<c02d4b8c>] (exit_mmap+0x98/0x13c)
Wed Mar 17 10:48:31 2021 kern.warn kernel: [ 216.025964] [<c02d4b8c>] (exit_mmap) from [<c022eeb0>] (mmput+0x4c/0xe8)
Wed Mar 17 10:48:31 2021 kern.warn kernel: [ 216.032663] [<c022eeb0>] (mmput) from [<c0233fd8>] (do_exit+0x408/0x9f4)
Wed Mar 17 10:48:31 2021 kern.warn kernel: [ 216.039362] [<c0233fd8>] (do_exit) from [<c0235308>] (SyS_exit_group+0x0/0x10)
Wed Mar 17 10:48:31 2021 kern.warn kernel: [ 216.046580] [<c0235308>] (SyS_exit_group) from [<bef9ce94>] (0xbef9ce94)
Wed Mar 17 10:48:31 2021 kern.warn kernel: [ 216.053316] Disabling lock debugging due to kernel taint
packet_write_wait: Connection to 192.168.1.18 port 22: Broken pipe