Messages in this thread | ![/](/images/icornerl.gif) | | Date | Thu, 11 Apr 2024 08:31:34 -0700 | From | Kees Cook <> | Subject | Re: [PATCH] xfs: replace deprecated strncpy with strscpy_pad |
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On Wed, Apr 10, 2024 at 01:45:21PM -0700, Justin Stitt wrote: > On Tue, Apr 9, 2024 at 9:22 AM Kees Cook <keescook@chromium.org> wrote: > > > > > > - /* 1 larger than sb_fname, so this ensures a trailing NUL char */ > > > - memset(label, 0, sizeof(label)); > > > spin_lock(&mp->m_sb_lock); > > > - strncpy(label, sbp->sb_fname, XFSLABEL_MAX); > > > + strscpy_pad(label, sbp->sb_fname); > > > > Is sbp->sb_fname itself NUL-terminated? This looks like another case of > > needing the memtostr() helper? > > > > I sent a patch [1]. > > Obviously it depends on your implementation patch landing first; what > tree should it go to?
This "flavor" of conversion may need to wait a release? There's no urgency on the conversion, and there are plenty more to do for this cycle. ;)
-Kees
> [1]: https://lore.kernel.org/r/20240410-strncpy-xfs-split1-v2-1-7c651502bcb0@google.com
-- Kees Cook
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