[Qemu-devel] [Bug 1709170] Re: QEMU fails to honor O_TMPFILE

[Riku Voipio]

Hi Thiago,

What is the version of glibc on the targets you are building to? There
was an O_TMPFILE bug in older glibc's:

https://sourceware.org/bugzilla/show_bug.cgi?id=17912

** Bug watch added: Sourceware.org Bugzilla #17912
   https://sourceware.org/bugzilla/show_bug.cgi?id=17912

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https://bugs.launchpad.net/bugs/1709170

Title:
  QEMU fails to honor O_TMPFILE

Status in QEMU:
  New

Bug description:
  When making a call like

    open("/tmp", O_TMPFILE | O_RDWR);

  under QEMU, we ged -EISDIR.

  Under any kernel 3.11 or later, we are supposed to get an unnamed file
  in /tmp. In case the filesystem for /tmp does not support unnamed
  files, we are supposed to get EOPNOTSUPP.

  [I don't know the QEMU version, since this happened in a system I
  don't have access to]

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