summaryrefslogtreecommitdiff
path: root/util/nvmutil/nvmutil.c
diff options
context:
space:
mode:
Diffstat (limited to 'util/nvmutil/nvmutil.c')
-rw-r--r--util/nvmutil/nvmutil.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c
index fa8a7020..410f0886 100644
--- a/util/nvmutil/nvmutil.c
+++ b/util/nvmutil/nvmutil.c
@@ -1684,6 +1684,7 @@ prw(int fd, void *mem, size_t nrw,
goto err_prw;
if (fd < 0
+ || off < 0
|| !nrw /* prevent zero read request */
|| nrw > (size_t)SSIZE_MAX /* prevent overflow */
|| (unsigned int)rw_type > IO_PWRITE)