From: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> redhat/configs: Enable CONFIG_GCC_PLUGIN_STACKLEAK for Fedora and ARK CONFIG_GCC_PLUGIN_STACKLEAK poisons the kernel stack before returning from syscalls. In our internal testing, it had no measurable performance impact. Enable it for Fedora and ARK. Bugzilla: f06c5863a913cdc4aaa09cad23f9ba551b6dcf8c Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> diff a/redhat/configs/common/generic/CONFIG_GCC_PLUGIN_STACKLEAK b/redhat/configs/common/generic/CONFIG_GCC_PLUGIN_STACKLEAK --- a/redhat/configs/common/generic/CONFIG_GCC_PLUGIN_STACKLEAK +++ b/redhat/configs/common/generic/CONFIG_GCC_PLUGIN_STACKLEAK @@ -1 +1 @@ -# CONFIG_GCC_PLUGIN_STACKLEAK is not set +CONFIG_GCC_PLUGIN_STACKLEAK=y diff a/redhat/configs/common/generic/CONFIG_STACKLEAK_METRICS b/redhat/configs/common/generic/CONFIG_STACKLEAK_METRICS --- /dev/null +++ b/redhat/configs/common/generic/CONFIG_STACKLEAK_METRICS @@ -0,0 +1 @@ +# CONFIG_STACKLEAK_METRICS is not set diff a/redhat/configs/fedora/generic/CONFIG_STACKLEAK_RUNTIME_DISABLE b/redhat/configs/common/generic/CONFIG_STACKLEAK_RUNTIME_DISABLE --- a/redhat/configs/fedora/generic/CONFIG_STACKLEAK_RUNTIME_DISABLE +++ b/redhat/configs/common/generic/CONFIG_STACKLEAK_RUNTIME_DISABLE diff a/redhat/configs/fedora/generic/CONFIG_STACKLEAK_TRACK_MIN_SIZE b/redhat/configs/common/generic/CONFIG_STACKLEAK_TRACK_MIN_SIZE --- a/redhat/configs/fedora/generic/CONFIG_STACKLEAK_TRACK_MIN_SIZE +++ b/redhat/configs/common/generic/CONFIG_STACKLEAK_TRACK_MIN_SIZE diff a/redhat/configs/fedora/generic/CONFIG_STACKLEAK_METRICS b/redhat/configs/fedora/generic/CONFIG_STACKLEAK_METRICS --- a/redhat/configs/fedora/generic/CONFIG_STACKLEAK_METRICS +++ /dev/null @@ -1 +0,0 @@ -CONFIG_STACKLEAK_METRICS=y -- https://gitlab.com/cki-project/kernel-ark/-/merge_requests/961 _______________________________________________ kernel mailing list -- kernel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to kernel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/kernel@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
