https://sourceware.org/bugzilla/show_bug.cgi?id=27850
Bug ID: 27850
Summary: It looks like strip command cannot be run simultaneous
Product: binutils
Version: 2.36.1
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: mikhail.v.gavrilov at gmail dot com
Target Milestone: ---
Created attachment 13438
--> https://sourceware.org/bugzilla/attachment.cgi?id=13438&action=edit
strip backtrace
Description of problem:
Fedora build system uses script `/usr/lib/rpm/brp-strip` for removing debug
symbols.
And xargs can run strip command simultaneously several times. Here is
copy-paste of code from `/usr/lib/rpm/brp-strip`:
> # Strip ELF binaries
> find "$RPM_BUILD_ROOT" -type f \! -regex "${RPM_BUILD_ROOT}/*usr/lib/debug.*"
> -print0 | \
> xargs -0 -r -P$NCPUS -n32 sh -c "file \"\$@\" | sed -n -e 's/^\(.*\):[
> ]*ELF.*, not stripped.*/\1/p' | xargs -I\{\} $STRIP -g \{\}" ARG0
I found file combination which cause strip error on simultaneous execution.
https://drive.google.com/file/d/1UlkJu2bg26c6Iooa60ruRvWiNzTrhgmM/view?usp=sharing
Here is archive with files and demo script test.sh
When my test script will be launched all files from the "assets1" directory
would successfully processed, but the same files from "assets2" directory
processing would failed with exit code 123.
The identical of files in directories was verified by the diff utility:
[mikhail@fedora brp-strip-bug-demo]$ diff -r assets1 assets2
[mikhail@fedora brp-strip-bug-demo]$
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