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authorSiddharth Gupta <sidgup@codeaurora.org>2020-05-06 04:52:37 +0300
committerMasahiro Yamada <masahiroy@kernel.org>2020-05-25 18:03:16 +0300
commit5967577231f9b19acd5a59485e9075964065bbe3 (patch)
tree0d686c56bdee4a73a8f9883a12d1bbb12472c29b
parent0663c68c4d2d3b74055b4c1cf7d8ae4782774e53 (diff)
downloadlinux-5967577231f9b19acd5a59485e9075964065bbe3.tar.xz
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@codeaurora.org> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
-rwxr-xr-xscripts/headers_install.sh11
1 files changed, 6 insertions, 5 deletions
diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh
index a07668a5c36b..94a833597a88 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