Your message dated Wed, 29 Jul 2020 18:20:55 +0200
with message-id <20200729162055.ga6...@aurel32.net>
and subject line Re: Bug#910923: $PLATFORM is no longer expanded.
has caused the Debian Bug report #910923,
regarding libc6: broken support for curly braces DST
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
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--
910923: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=910923
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems
--- Begin Message ---
Source: glibc
Version: 2.27-6
Severity: important
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Reproduction:
$ strace -ELD_PRELOAD='/sss/${PLATFORM}/dddd' -s300 /bin/cat
execve("/bin/cat", ["/bin/cat"], 0x55ddc6b820f0 /* 64 vars */) = 0
brk(NULL) = 0x56046d9c1000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
readlink("/proc/self/exe", "/bin/cat", 4096) = 8
openat(AT_FDCWD, "/sss/x86_64/dddd", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such
file or directory)
writev(2, [{iov_base="ERROR: ld.so: object '", iov_len=22},
{iov_base="/sss/${PLATFORM}/dddd", iov_len=21}, {iov_base="' from ",
iov_len=7}, {iov_base="LD_PRELOAD", iov_len=10}, {iov_base=" cannot be
preloaded (", iov_len=22}, {iov_base="cannot open shared object file",
iov_len=30}, {iov_base="): ignored.\n", iov_len=12}], 7ERROR: ld.so: object
'/sss/${PLATFORM}/dddd' from LD_PRELOAD cannot be preloaded (cannot open shared
object file): ignored.
) = 124
So $PLATFORM is not expanded. This is a regression from 2.24
According to
https://sourceware.org/bugzilla/show_bug.cgi?id=22299
it *should* be fixed in 2.27, but it is clerly still reproducible in
debian testing/sid.
This is causing the following problem for me:
https://community.sonarsource.com/t/sonarqube-c-ubuntu-build-wrapper-ld-preload-error/300/2
Roman.
- -- System Information:
Debian Release: buster/sid
APT prefers unstable
APT policy: (990, 'unstable'), (500, 'unstable-debug'), (1,
'experimental-debug'), (1, 'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 4.18.0-2-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US
(charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
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--- End Message ---
--- Begin Message ---
On 2018-12-31 12:10, Aurelien Jarno wrote:
> On 2018-10-15 00:49, Roman Lebedev wrote:
> > On Sun, Oct 14, 2018 at 10:51 PM Aurelien Jarno <aurel...@aurel32.net>
> > wrote:
> > >
> > > control: severity -1 normal
> > > control: retitle -1 libc6: broken support for curly braces DST
> > >
> > > On 2018-10-13 16:13, Roman Lebedev wrote:
> > > > Source: glibc
> > > > Version: 2.27-6
> > > > Severity: important
> > > >
> > > > Reproduction:
> > > > $ strace -ELD_PRELOAD='/sss/${PLATFORM}/dddd' -s300 /bin/cat
> > > > execve("/bin/cat", ["/bin/cat"], 0x55ddc6b820f0 /* 64 vars */) = 0
> > > > brk(NULL) = 0x56046d9c1000
> > > > access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
> > > > directory)
> > > > readlink("/proc/self/exe", "/bin/cat", 4096) = 8
> > > > openat(AT_FDCWD, "/sss/x86_64/dddd", O_RDONLY|O_CLOEXEC) = -1 ENOENT
> > > > (No such file or directory)
> > Hm actually wait, i think i'm confused here.
> > Both the ${PLATFORM} and $PLATFORM seem to expand just fine.
> >
> > $ strace -ELD_PRELOAD='/sss/${PLATFORM}/dddd' -s300 /bin/cat | grep
> > PLATFORM
> > ...
> > openat(AT_FDCWD, "/sss/x86_64/dddd", O_RDONLY|O_CLOEXEC) = -1 ENOENT
> > (No such file or directory)
> > writev(2, [{iov_base="ERROR: ld.so: object '", iov_len=22},
> > {iov_base="/sss/${PLATFORM}/dddd", iov_len=21}, {iov_base="' from ",
> > iov_len=7}, {iov_base="LD_PRELOAD", iov_len=10}, {iov_base=" cannot be
> > preloaded (", iov_len=22}, {iov_base="cannot open shared object file",
> > iov_len=30}, {iov_base="): ignored.\n", iov_len=12}], 7ERROR: ld.so:
> > object '/sss/${PLATFORM}/dddd' from LD_PRELOAD cannot be preloaded
> > (cannot open shared object file): ignored.
> > ) = 124
> >
> > $ strace -ELD_PRELOAD='/sss/$PLATFORM/dddd' -s300 /bin/cat | grep PLATFORM
> > ...
> > openat(AT_FDCWD, "/sss/x86_64/dddd", O_RDONLY|O_CLOEXEC) = -1 ENOENT
> > (No such file or directory)
> > writev(2, [{iov_base="ERROR: ld.so: object '", iov_len=22},
> > {iov_base="/sss/$PLATFORM/dddd", iov_len=19}, {iov_base="' from ",
> > iov_len=7}, {iov_base="LD_PRELOAD", iov_len=10}, {iov_base=" cannot be
> > preloaded (", iov_len=22}, {iov_base="cannot open shared object file",
> > io
> > v_len=30}, {iov_base="): ignored.\n", iov_len=12}], 7ERROR: ld.so:
> > object '/sss/$PLATFORM/dddd' from LD_PRELOAD cannot be preloaded
> > (cannot open shared object file): ignored.
> > ) = 122
> >
> > It clearly expanded PLATFORM to x86_64 in both cases, do you agree?
> >
> > So whatever i'm seeing is something else, might be caused by docker.
> >
>
> I agree that both are correctly expanded. I also looked again calmly on
> my system, and I confirm that both are expanded. So it looks like there
> is no bug there.
I am therefore closing the bug.
--
Aurelien Jarno GPG: 4096R/1DDD8C9B
aurel...@aurel32.net http://www.aurel32.net
--- End Message ---
