View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0000032 | file | General | public | 2018-08-24 23:09 | 2018-10-02 01:11 |
| Reporter | Chai T. Rex | Assigned To | christos | ||
| Priority | normal | Severity | minor | Reproducibility | have not tried |
| Status | resolved | Resolution | fixed | ||
| Platform | x86-64, Kaby Lake | OS | Ubuntu | OS Version | 16.04.5 |
| Summary | 0000032: file declares that Bash process substitution uses a broken symlink | ||||
| Description | Apologies if this has already been fixed. In Ubuntu 16.04.5, with file-5.25, Bash process substitution fails, claiming that there's a broken symbolic link to a pipe. The same sort of symbolic link works just fine with other programs, so there's something wrong with file's detection of broken symlinks. | ||||
| Steps To Reproduce | 1. Note that Bash process substitution works in general, so the symlink that's involved must be properly readable: $ /bin/cat <( echo '#!/bin/sh' ) #!/bin/sh 2. Note that file gives an error: $ /usr/bin/file <( echo '#!/bin/sh' ) /dev/fd/63: broken symbolic link to pipe:[10713867] | ||||
| Additional Information | The version of the Ubuntu APT package called file is 1:5.25-2ubuntu1.1. $ /usr/bin/file --version file-5.25 magic file from /etc/magic:/usr/share/misc/magic | ||||
| Tags | No tags attached. | ||||
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$ ls -l <(echo "foo bar") lr-x------ 1 christos users 64 Oct 1 15:22 /dev/fd/63 -> pipe:[3511315244] So what happens if you readlink(2) /dev/fd/63 and then try to open the result instead of opening it directly? What's supposed to happen? |
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This is only broken on Linux; other systems with a proper procfs/devfs implementation work just fine :-) |
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Should be fixed now. |
| Date Modified | Username | Field | Change |
|---|---|---|---|
| 2018-08-24 23:09 | Chai T. Rex | New Issue | |
| 2018-10-01 19:24 | christos | Note Added: 0000085 | |
| 2018-10-01 20:00 | christos | Assigned To | => christos |
| 2018-10-01 20:00 | christos | Status | new => feedback |
| 2018-10-01 20:00 | christos | Note Added: 0000087 | |
| 2018-10-01 20:01 | christos | Note Edited: 0000087 | |
| 2018-10-02 01:11 | christos | Status | feedback => resolved |
| 2018-10-02 01:11 | christos | Resolution | open => fixed |
| 2018-10-02 01:11 | christos | Note Added: 0000091 |
