dde-file-manager freeze with invalid symbol links

[zwpwjwtz]

SUMMARY | 问题概要

When a directory contains a symbol link that points to a non-existing entry of itself, DDE File Manager freezes when opening that directory.

SOFTWARE/OS VERSIONS | 软件/系统版本信息

Distribution: Deepin 23
Package: dde-file-manager (6.5.10.4)

PRE-REQUIREMENT | 预置条件

None.

STEPS TO REPRODUCE | 复现步骤

1. Create a directory and an invalid link with the following commands:

mkdir test && cd test
ln -s ../test/1

2. Open the directory with DDE File Manager:

dde-file-manager .

OBSERVED RESULT | 观察到的结果

The program freeze with 100% CPU usage. A SIG_TERM won't help; you'll need a SIG_KILL to terminate the process.

EXPECTED RESULT | 期望的结果

The file manager shall open the directory and properly show the invalid symbol link in the file list (perhaps using the "invalid file" icon from the corresponding theme).

ADDITIONAL INFORMATION | 额外补充

No response

[zwpwjwtz]

@hualet Any idea?

[hualet]

@BLumia please check this.

[babyfengfjx]

@zwpwjwtz Thank you for your feedback. I reproduced the problem on version V23, and also tried to reproduce it on deepin 25. I found that deepin25 does not have this problem. I will first report the problem to the project team. Since deepin23 is already in the maintenance stage, there may not be major updates in the future, so I am not sure about the specific repair and update time. Please understand.

[lzwind]

This bug has been fixed. After investigation, it was found that the root cause of the problem was that the soft link pointed to itself, causing an infinite loop during the file search process. The current modification method is to add a check mechanism to prevent the soft link from pointing to itself or other situations that may cause an infinite loop. It is planned to be pushed to the internal test warehouse next week.

[zwpwjwtz]

This bug has been fixed in version 6.5.10.6 (with this commit), so I just close this issue.