[Bug libc/23497] readdir64@GLIBC_2.1 cannot parse the kernel directory stream

[fweimer at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=23497

--- Comment #10 from Florian Weimer <fweimer at redhat dot com> ---
(In reply to Thomas De Schampheleire from comment #9)
> OK, so there are never official dot-releases?
> 
> Regarding this specific bug: am I correct that this problem can only be seen
> when reading a directory entry provided by another kernel?

No, it's about old i386 applications.

> I bump into (what I think is) this issue in Qemu, when accessing a '9p'
> filesystem mapped on the host. The target running in Qemu was running with
> glibc-2.28 on kernel 4.4, the host machine is CentOS 7 with kernel 3.10 and
> glibc 2.17.
> When accessing 'local' directories in the same Qemu instance, e.g. /usr or
> /tmp, I don't see an issue.

This is likely a kernel bug.  It looks similar to bug 23960, which is strictly
speaking a bug in qemu-user.

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