https://bugs.freedesktop.org/show_bug.cgi?id=79924
Priority: medium
Bug ID: 79924
Assignee: [email protected]
Summary: LibreOffice should use stemp in other directories than
$HOME first
Severity: normal
Classification: Unclassified
OS: All
Reporter: [email protected]
Hardware: Other
Status: UNCONFIRMED
Version: unspecified
Component: sdk
Product: LibreOffice
Libre Office double mmaps a temporary file to build trampolines block. It
attempts to create the temporary file in $HOME, and fallbacks on /tmp:
bridges/source/cpp_uno/shared/vtablefactory.cxx
236 #ifdef USE_DOUBLE_MMAP
237 bool VtableFactory::createBlock(Block &block, sal_Int32 slotCount) const
But $HOME is more likely to be noexec, so it is better to try /tmp first. Using
$HOME first can also create annoying complains in LSM such as SELinux or
AppArmor.
As an example, libffi tries the following directories, in this order, until it
finds something suitable:
1. $TMPDIR,
2. /tmp,
3. /var/tmp,
4. /dev/shm,
5. $HOME,
6. whatever is listed in /etc/mtab,
7. whatever is listed in /proc/mounts
See https://github.com/atgreen/libffi/blob/master/src/closures.c#L382
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