Re: [SECURITY] nfsd: fix null dereference in nfsd4_setattr for deleg timestamp attrs

On Fri, Jun 12, 2026, at 2:37 PM, Nikol Kuklev wrote:
> I would like to report a remotely triggerable null pointer dereference in
> nfsd4_setattr(),
> introduced by commit 7e13f4f8d27d ("nfsd: handle delegated timestamps in
> SETATTR").

Thank you for the bug report. Unfortunately the attachment does
not apply using "git apply". Please resend the patch inline. See:

Documentation/process/email-clients.rst — "Email clients info for Linux."

Lines 21-26 state: patches are submitted via email "preferably as inline
text in the body of the email." Attachments are "generally frowned upon
because it makes quoting portions of the patch more difficult in the patch
review process," and where accepted must use content-type text/plain.
  
This doc then covers per-client configuration (Mutt, Alpine, Claws,
Evolution, Kmail, Thunderbird, etc.) to send patches inline without
mangling whitespace.

Related companion docs:
  - Documentation/process/submitting-patches.rst — overall patch submission guidance
  - Documentation/process/applying-patches.rst — the receiving end


-- 
Chuck Lever