Public bug reported:
According to "man core 5" the default value for
/proc/PID/coredump_filter is supposed to be 0x33, but on Ubuntu (12.04)
it is actually 0x23. This is value the value for
/proc/1/coredump_filter and therefore for all other processes on the
system.
The consequence of this is that "Dump ELF headers" is zero instead of
one which means that build IDs do not get recorded in core files. Since
build IDs are the recommended way of identifying which shared objects
were present in a core file this is a problem.
We use build IDs extensively and we would like to see them in core
files. The additional file size is trivial, gdb should be compatible
with these core files, it is the default on Fedora, and it is supposed
to be the default everywhere.
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1108082
Title:
coredump_filter omits build IDs
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