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Diffstat (limited to 'meson.build')
| -rw-r--r-- | meson.build | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/meson.build b/meson.build index 1bda391de6..d0329966f1 100644 --- a/meson.build +++ b/meson.build @@ -559,6 +559,11 @@ hardening_flags = [ # upon its return. This makes it harder to assemble # ROP gadgets into something usable '-fzero-call-used-regs=used-gpr', + + # Initialize all stack variables to zero. This makes + # it harder to take advantage of uninitialized stack + # data to drive exploits + '-ftrivial-auto-var-init=zero', ] qemu_common_flags += cc.get_supported_arguments(hardening_flags) |