On 28 Dec 2016, at 04:10, Roger Marquis <marq...@roble.com> wrote: > >> Found a couple of ecp binaries in /tmp, apparently created concurrent >> with an 11.0 x86_64 kernel build. Anyone else seen this? Could they >> be related to a "make buildkernel"? > > Confirmed 'make buildkernel' does create these files, apparently via > /usr/src/contrib/elftoolchain/elfcopy/main.c (thanks Adam). > > Still odd that these are LSB binaries which don't run on this server and > nothing including cleanworld removed them. Anyone audited elftoolchain > recently?
This looks like a minor bug in elfcopy, when used as objcopy, specifically when in combination with the --input-target binary flag: $ mkdir /tmp/foo $ export TMPDIR=/tmp/foo $ ls -l /tmp/foo/ $ /usr/bin/objcopy --input-target binary --output-target elf64-x86-64-freebsd --binary-architecture i386 cloudabi32_vdso.o bar.o $ ls -l /tmp/foo total 12 -rw-r--r-- 1 dim wheel 10198 2016-12-28 12:29:32 ecp.0xbNAi5i E.g. for some reason this does not clean up the temporary file. -Dimitry
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