Minimal supplement to upstream Kernel Self Protection Project changes. Features already provided by SELinux + Yama and archs other than multiarch arm64 / x86_64 aren't in scope. Only tags have stable history. Shared IRC channel with KSPP: irc.libera.chat #linux-hardening
e5fbc07360
Currently we issue a warning in gb_operation_work() if an operation has no callback function defined. But we return without dropping the reference to the operation as we should. Stop warning if there's no callback, call it only if it's defined, and always drop the operation reference before returning. This means we're now treating a NULL callback pointer as a normal condition. Signed-off-by: Alex Elder <elder@linaro.org> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com> |
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