summaryrefslogtreecommitdiff
path: root/util
diff options
context:
space:
mode:
authorLeah Rowe <leah@libreboot.org>2026-03-17 18:19:40 +0000
committerLeah Rowe <leah@libreboot.org>2026-03-26 06:59:42 +0000
commit38022c5d479c4a312bc1820336b43d9eabb4cb5a (patch)
tree4bf3a34e9813759249f043956174e4060a7c4798 /util
parent400369b361ccfe2ddc8f49d2ca2e6d4e627b7746 (diff)
util/nvmutil: add defensive buffer check
Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'util')
-rw-r--r--util/nvmutil/nvmutil.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c
index 5d59e4ca..4d8ad87b 100644
--- a/util/nvmutil/nvmutil.c
+++ b/util/nvmutil/nvmutil.c
@@ -162,6 +162,9 @@ main(int argc, char *argv[])
if (argc < 3)
usage();
+ if (nv->f.buf == NULL)
+ err(EINVAL, "Work buffer not initialised");
+
if (CHAR_BIT != 8)
err(EINVAL, "Unsupported char size");