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Date: Tue, 5 May 2020 18:52:37 -0700 From: Siddharth Gupta <sidgup@...eaurora.org> To: Masahiro Yamada <yamada.masahiro@...ionext.com>, Sam Ravnborg <sam@...nborg.org> Cc: Siddharth Gupta <sidgup@...eaurora.org>, linux-kernel@...r.kernel.org, maennich@...gle.com Subject: [PATCH v3] scripts: headers_install: Exit with error on config leak Misuse of CONFIG_* in UAPI headers should result in an error. These config options can be set in userspace by the user application which includes these headers to control the APIs and structures being used in a kernel which supports multiple targets. Signed-off-by: Siddharth Gupta <sidgup@...eaurora.org> --- scripts/headers_install.sh | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh index a07668a..94a8335 100755 --- a/scripts/headers_install.sh +++ b/scripts/headers_install.sh @@ -64,7 +64,7 @@ configs=$(sed -e ' d ' $OUTFILE) -# The entries in the following list are not warned. +# The entries in the following list do not result in an error. # Please do not add a new entry. This list is only for existing ones. # The list will be reduced gradually, and deleted eventually. (hopefully) # @@ -98,18 +98,19 @@ include/uapi/linux/raw.h:CONFIG_MAX_RAW_DEVS for c in $configs do - warn=1 + leak_error=1 for ignore in $config_leak_ignores do if echo "$INFILE:$c" | grep -q "$ignore$"; then - warn= + leak_error= break fi done - if [ "$warn" = 1 ]; then - echo "warning: $INFILE: leak $c to user-space" >&2 + if [ "$leak_error" = 1 ]; then + echo "error: $INFILE: leak $c to user-space" >&2 + exit 1 fi done -- Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
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