Amurray was so kind to point out that we already do not use it on -m32
/* Enable code instrumentation of control-flow transfers.
Available on x86 and x86_64. */
#ifndef CF_PROTECTION_SPEC
# ifdef DIST_DEFAULT_CF_PROTECTION
# define CF_PROTECTION_SPEC "
%{!m32:%{!fcf-protection*:%{!fno-cf-protection:-fcf-protection}}}"
# else
# define CF_PROTECTION_SPEC ""
# endif
#endif
And that maybe it would need to be:
# define CF_PROTECTION_SPEC " %{!m16:%{!m32:%{!fcf-protection*:%{!fno-
cf-protection:-fcf-protection}}}}"
** Changed in: qemu (Ubuntu)
Importance: Undecided => High
** Changed in: qemu (Ubuntu)
Status: New => Triaged
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https://bugs.launchpad.net/bugs/1940029
Title:
Default of fcf-protection should only be enabled where it can work
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