diff options
| author | Leah Rowe <leah@libreboot.org> | 2026-03-13 23:22:21 +0000 |
|---|---|---|
| committer | Leah Rowe <leah@libreboot.org> | 2026-03-13 23:22:21 +0000 |
| commit | f8ba774796f43f668ac6ee810ca1057037c72c9e (patch) | |
| tree | 82ddf5a5344720ad18c376042542ace8aac945cc | |
| parent | 7fe667789a0ac6e75b805ae5f51a8c332fe5090c (diff) | |
util/nvmutil: add negative off check to prw
Signed-off-by: Leah Rowe <leah@libreboot.org>
| -rw-r--r-- | util/nvmutil/nvmutil.c | 1 |
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) |