diff options
Diffstat (limited to 'lib/libzfs/libzfs_util.c')
| -rw-r--r-- | lib/libzfs/libzfs_util.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/libzfs/libzfs_util.c b/lib/libzfs/libzfs_util.c index a8e9ac9cb..c6debd576 100644 --- a/lib/libzfs/libzfs_util.c +++ b/lib/libzfs/libzfs_util.c @@ -1411,7 +1411,12 @@ zfs_nicestrtonum(libzfs_handle_t *hdl, const char *value, uint64_t *num) fval *= pow(2, shift); - if (fval > UINT64_MAX) { + /* + * UINT64_MAX is not exactly representable as a double. + * The closest representation is UINT64_MAX + 1, so we + * use a >= comparison instead of > for the bounds check. + */ + if (fval >= (double)UINT64_MAX) { if (hdl) zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, "numeric value is too large")); |