Avoid zero-size VLA in cmd_dump_fmap.c
Zero-size variable length arrays are undefined behavior. UBSan reported a
zero-size VLA in futility/cmd_dump_fmap.c when running tests. This
change fixes that by making sure the size of the VLA is at least 1.
BUG=chromium:1058086
TEST=FEATURES="test" USE="llvm-next ubsan" emerge -e --nodeps vboot_reference
BRANCH=none
Change-Id: I3c0eee0359668ce2e1ec3c0724f243788161fb13
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/vboot_reference/+/2103436
Tested-by: Bob Haarman <inglorion@chromium.org>
Reviewed-by: Manoj Gupta <manojgupta@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Commit-Queue: Manoj Gupta <manojgupta@chromium.org>
1 file changed
