diff options
| author | Leah Rowe <leah@libreboot.org> | 2026-03-13 15:20:00 +0000 |
|---|---|---|
| committer | Leah Rowe <leah@libreboot.org> | 2026-03-13 15:21:44 +0000 |
| commit | 995f25e19927c7f2d2a89c8a5fb8985c3bb00f3a (patch) | |
| tree | 780749eec4de17465aed9a34d0209e4106d3cae3 /util/nvmutil | |
| parent | 969e98c78dc8daf0fc6f93e607362596c140ee83 (diff) | |
util/nvmutil: block bad offset in io_args
Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'util/nvmutil')
| -rw-r--r-- | util/nvmutil/nvmutil.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index 266ba397..2aa47d19 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -1716,6 +1716,10 @@ static int io_args(int fd, void *mem, size_t nrw, off_t off, int rw_type) { + if (off > 0 + && off != GBE_PART_SIZE) + goto err_io_args; + if (nrw != GBE_PART_SIZE && nrw != NVM_SIZE && nrw != NUM_RANDOM_BYTES) |