Linux

我的 $HOME 文件夾中奇怪的空 bash_history-*.tmp 文件

  • May 2, 2021

.bash_history-*.tmp在我不知情的情況下，我的主文件夾中有 169個是在同一天（2021 年 4 月 16 日）創建的。文件只有所有者的讀寫權限。我不確定是什麼導致了這種情況發生。在我的 Linux 之旅（桌面和伺服器）的 5 年中，它從未發生過。更奇怪的是，我的預設 shell 不是 bash 而是它的zsh. 如果有人可以幫助我弄清楚實際發生了什麼（如果可能的話）或者以前發生在其他人身上，那就太好了？先感謝您。這裡是

.-(~)(user@host)
`-->> find . -name '.*.tmp'
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-01407.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-01810.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-02487.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-03675.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08255.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08260.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08283.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08326.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08434.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08450.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08550.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08581.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08649.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08676.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08683.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08697.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08698.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08712.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08717.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08742.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08743.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08819.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08841.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08878.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08884.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08904.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08914.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-08962.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09060.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09116.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09157.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09201.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09212.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09228.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09247.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09248.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09265.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09274.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09283.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09331.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09366.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09397.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09445.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09501.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09507.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09548.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09597.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09632.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09701.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09760.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09904.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-09992.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-10059.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-10158.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-10166.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-10170.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-10320.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-10536.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-10594.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-10631.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-10714.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-10753.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-11127.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-11189.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-11494.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-11514.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-11697.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-11774.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-11827.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-11973.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12002.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12266.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12316.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12331.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12357.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12377.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12393.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12399.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12400.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12405.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12413.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12417.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12435.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12475.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12513.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12563.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12644.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12648.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12656.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12743.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12779.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12801.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12803.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12817.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12868.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-12971.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13005.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13013.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13020.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13033.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13042.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13047.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13065.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13074.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13089.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13090.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13092.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13094.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13097.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13099.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13145.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13162.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13184.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13202.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13203.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13206.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13208.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13218.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13219.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13220.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13250.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13313.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13316.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13320.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13322.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13323.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13341.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13360.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13388.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13489.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13530.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13566.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13575.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13576.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13630.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13640.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13675.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-13717.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14153.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14156.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14167.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14204.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14254.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14256.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14265.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14267.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14331.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14332.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14359.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14368.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14693.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14792.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14922.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14923.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14928.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14931.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14933.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14943.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14947.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14951.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14955.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-14968.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-30961.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-31005.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-31110.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-31142.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-32057.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-32358.tmp
-rw-------   1 user user   0 Apr 16 17:40 .bash_history-32434.tmp

僅供參考：有人幫我在archlinuxforum上找到了類似的文章，但它沒有回答我的問題。

源（在 Debian上bash可用apt-get source bash）使用文件中的函式寫入其歷史history_do_write文件bash-5.0/lib/readline/histfile.c。它創建一個臨時文件，將歷史行寫入該文件，然後使用它來替換實際的歷史文件

tempname = (overwrite && exists && S_ISREG (finfo.st_mode)) ? history_tempfile (histname) : 0;
output = tempname ? tempname : histname;

...

if (rv == 0 && histname && tempname)
 rv = histfile_restore (tempname, histname);

在許多地方寫入可能會失敗，在這些情況下，臨時文件被取消連結（刪除）並且原始文件被單獨保留。

但是，您在路過的評論中提到您執行了一個 forkbomb。這很可能是這些臨時文件的根本原因。有可能由於不受控制的分叉炸彈觸發的極端記憶體和程序壓力，bash即使是這個恢復過程也無法獲得足夠的臨時記憶體來完成，並且在嘗試更新期間簡單地崩潰了。（請注意，這不是硬事實，只是一個假設。）

如果您處於使用者可能會執行 forkbombs 的環境中，那麼啟用資源控制是值得的。

引用自：https://unix.stackexchange.com/questions/647708

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