Hi Linus, Please pull these hardened-usercopy changes for v4.19-rc1. This cleans up a minor Kconfig issue and adds a kernel boot option for disabling hardened usercopy for distro users that may have corner-case performance issues (e.g. high bandwidth small-packet UDP traffic).
Thanks! -Kees The following changes since commit 7daf201d7fe8334e2d2364d4e8ed3394ec9af819: Linux 4.18-rc2 (2018-06-24 20:54:29 +0800) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git tags/hardened-usercopy-v4.19-rc1 for you to fetch changes up to b5cb15d9372abc9adc4e844c0c1bf594ca6a7695: usercopy: Allow boot cmdline disabling of hardening (2018-07-04 08:04:52 -0700) ---------------------------------------------------------------- - drop unneeded Kconfig "select BUG" (Kamal Mostafa) - add "hardened_usercopy=off" rare performance needs (Chris von Recklinghausen) ---------------------------------------------------------------- Chris von Recklinghausen (1): usercopy: Allow boot cmdline disabling of hardening Kamal Mostafa (1): usercopy: Do not select BUG with HARDENED_USERCOPY Documentation/admin-guide/kernel-parameters.txt | 11 +++++++++++ include/linux/jump_label.h | 6 ++++++ mm/usercopy.c | 25 +++++++++++++++++++++++++ security/Kconfig | 1 - 4 files changed, 42 insertions(+), 1 deletion(-) -- Kees Cook Pixel Security
