mmap-rnd-bits: Check that configs are valid integers

This commit is contained in:
Jeremy Rand 2023-04-22 04:36:05 +00:00
parent 76ca8a27f9
commit 434cfb427f
No known key found for this signature in database
GPG Key ID: EB03139A459DD06E

View File

@ -18,12 +18,12 @@ COMPAT_BITS_MAX_DEFAULT=16
if compgen -G "/boot/config-*" > /dev/null && CONFIG=$(ls -1 -t /boot/config-* | head -n 1)
then
## Find the relevant config options.
if ! BITS_MAX=$(grep "CONFIG_ARCH_MMAP_RND_BITS_MAX" "${CONFIG}" | cut -d "=" -f 2)
if ! BITS_MAX=$(grep -E '^CONFIG_ARCH_MMAP_RND_BITS_MAX=[0-9]+$' "${CONFIG}" | cut -d "=" -f 2)
then
echo "Error detecting CONFIG_ARCH_MMAP_RND_BITS_MAX"
BITS_MAX="${BITS_MAX_DEFAULT}"
fi
if ! COMPAT_BITS_MAX=$(grep "CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX" "${CONFIG}" | cut -d "=" -f 2)
if ! COMPAT_BITS_MAX=$(grep -E '^CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX=[0-9]+$' "${CONFIG}" | cut -d "=" -f 2)
then
echo "Error detecting CONFIG_ARCH_MMAP_RND_COMPAT_BITS_MAX"
COMPAT_BITS_MAX="${COMPAT_BITS_MAX_DEFAULT}"