[Bug 277060] pax(1) hangs in copy mode under certain conditions
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Date: Thu, 15 Feb 2024 00:59:03 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=277060 Bug ID: 277060 Summary: pax(1) hangs in copy mode under certain conditions Product: Base System Version: 14.0-RELEASE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: c433li@gmail.com The issue is best illustrated with a demo first: ---- # mkdir demo # cd demo # echo '/usr/local/' | pax -rw . (hangs forever, interrupt with Ctrl-C) # echo '/usr/local/' | pax -rw . (this time it completes successfully) ---- In other words, when `pax(1)` is operating under copy mode (the forth synopsis form): ---- pax -r -w [file ...] directory ---- If *all* the following conditions are met, it will hang forever: 1. the `file` operand is not specified; and 2. its has its standard input piped; and 3. the (piped) standard input contains a line that is directory (as the conceptual equivalence of `file` operand); and 4. the `file`(which is a directory) contains at least two components ('*/*/'); and 5. the destination directory does not contain all the parent components of `file`; and 6. the directory is specified with a slash (`/`) at the end. -- You are receiving this mail because: You are the assignee for the bug.