linux-hardening - Re: [PATCH v3][next] NFSD: Avoid multiple -Wflex-array-member-not-at-end warnings

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Message-ID: <175016808512.336273.15483620286888395120.b4-ty@oracle.com>
Date: Tue, 17 Jun 2025 09:48:34 -0400
From: Chuck Lever <cel@...nel.org>
To: Jeff Layton <jlayton@...nel.org>,
	NeilBrown <neil@...wn.name>,
	Olga Kornievskaia <okorniev@...hat.com>,
	Dai Ngo <Dai.Ngo@...cle.com>,
	Tom Talpey <tom@...pey.com>,
	"Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc: Chuck Lever <chuck.lever@...cle.com>,
	linux-nfs@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org
Subject: Re: [PATCH v3][next] NFSD: Avoid multiple -Wflex-array-member-not-at-end warnings

From: Chuck Lever <chuck.lever@...cle.com>

On Mon, 16 Jun 2025 16:31:03 -0600, Gustavo A. R. Silva wrote:
> Replace flexible-array member with a fixed-size array.
> 
> With this changes, fix many instances of the following type of
> warnings:
> 
> fs/nfsd/nfsfh.h:79:33: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
> fs/nfsd/state.h:763:33: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
> fs/nfsd/state.h:669:33: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
> fs/nfsd/state.h:549:33: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
> fs/nfsd/xdr4.h:705:33: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
> fs/nfsd/xdr4.h:678:33: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
> 
> [...]

Applied to nfsd-testing, thanks!

[1/1] NFSD: Avoid multiple -Wflex-array-member-not-at-end warnings
      commit: 9aa83533d2e694c84d7d09f9c8eab29ad9f2adef

--
Chuck Lever