diff options
| author | Leah Rowe <leah@libreboot.org> | 2026-03-10 14:15:34 +0000 |
|---|---|---|
| committer | Leah Rowe <leah@libreboot.org> | 2026-03-10 14:18:19 +0000 |
| commit | c953228bb002059faa92b9e000303099d80b9091 (patch) | |
| tree | 7ce921f2341a921b9b36ce7a2806dee17e592c89 | |
| parent | 883860d6874816f6788adedab5f53b4eae3c0bf2 (diff) | |
util/nvmutil: fix possible overflow: gbe_x_offset
preventative fix, since the values are currently
quite tiny. this new check is the same, but goes
the other way to eliminate overflow.
Signed-off-by: Leah Rowe <leah@libreboot.org>
| -rw-r--r-- | util/nvmutil/nvmutil.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index 5de1f35f..0101888e 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -1318,7 +1318,7 @@ gbe_x_offset(size_t p, const char *f_op, const char *d_type, off = ((off_t)p) * (off_t)nsize; - if (off + GBE_PART_SIZE > ncmp) + if (off > ncmp - GBE_PART_SIZE) err(errno, "%s: GbE %s %s out of bounds", fname, d_type, f_op); |