Yes, it's fixed in v4.2.0, and with the help of your test program I've
bisect to the fix:
commit 1645fb5a1e537f85eda744bfa6e9d3dda047ba28
Author: Shu-Chun Weng
Date: Thu Oct 17 17:19:20 2019 -0700
Fix unsigned integer underflow in fd-trans.c
In any of these `*_for_each_*`
I just called _configure_loopback_interface in a qemu-aarch64 chroot,
and the error is not reproducible with qemu-4.2.0. Has it been fixed?
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I need the strace result of _configure_loopback_interface in a qemu-
aarch64 chroot.
But as strace cannot be started in the chroot you must strace the
"chroot" command and its children.
So something like "sudo strace -yyy chroot "
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Can you rephrase your question? I don't know what to do with your
question.
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Title:
qemu user static binary seems to lack support for network
Could you run something like "sudo strace -yyy unshare --net chroot ..."
with your failing binary to see what returns the host kernel?
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Title:
qemu-4.0.0
> uname -a
Linux gentoo 4.19.97-gentoo #3 SMP PREEMPT Mon Feb 10 15:09:44 KST 2020 x86_64
AMD FX(tm)-8300 Eight-Core Processor AuthenticAMD GNU/Linux
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I've copied the file portage-2.3.84/build/lib.linux-
x86_64-3.7/portage/util/netlink.py from portage to my local directory
and run the following script:
cat > rtnetlink.py <
bind(3, {sa_family=AF_NETLINK, nl_pid=0,
nl_groups=}, 12) = 0
sendto(3, {{len=38, type=0x12 /* NLMSG_??? */,
def _configure_loopback_interface():
"""
Configure the loopback interface.
"""
# We add some additional addresses to work around odd behavior in
glibc's
# getaddrinfo() implementation when the AI_ADDRCONFIG flag is set.
#
# For example:
You can obtain portage source code from
https://gentoo.osuosl.org/distfiles/portage-2.3.84.tar.bz2
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Title:
qemu user static binary seems to
The interesting part in emerge.log is:
23473 socket(16,,IPPROTO_IP) = 5
23473 bind(5,274886353720,12,0,1,274889671712) = 0
23473 sendto(5,275542232672,38,0,274886353960,12) = -1 errno=95 (Operation
not supported)
23473 close(5) = 0
Unable to configure loopback interface: Operation not
I executed "emerge" with QEMU_LOG=unimp and QEMU_STRACE="".
** Attachment added: "emerge.log"
https://bugs.launchpad.net/qemu/+bug/1857811/+attachment/5317106/+files/emerge.log
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Could you run qemu unimplemented error trace, by using "export
QEMU_LOG=unimp"?
You can also set the QEMU_STRACE="" to see which syscall fails.
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