head /proc/self/mem shows wrong message
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U - head
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Description
$ gnu9.11/head /proc/self/mem
head: error reading '/proc/self/mem': Input/output error
$ head /proc/self/mem
head: error writing 'standard output': Input/output error
Because of not catching read error at proper place?
related: https://github.com/uutils/coreutils/issues/12215 https://github.com/uutils/coreutils/issues/11972
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Research direction
Start with the Rust implementation of the head command and reproduce the two /proc/self/mem cases shown in the issue. Compare the read-error and standard-output error paths, then verify that the reported message matches the failing operation without changing the behavior for other input files.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- cli
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 55/100