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Date: Fri, 18 Nov 2022 09:00:16 -0800 From: coverity-bot <keescook@...omium.org> To: Dai Ngo <dai.ngo@...cle.com> Cc: linux-kernel@...r.kernel.org, Jeff Layton <jlayton@...nel.org>, Chuck Lever <chuck.lever@...cle.com>, linux-nfs@...r.kernel.org, "Gustavo A. R. Silva" <gustavo@...eddedor.com>, linux-next@...r.kernel.org, linux-hardening@...r.kernel.org Subject: Coverity: encode_cb_recallany4args(): Error handling issues Hello! This is an experimental semi-automated report about issues detected by Coverity from a scan of next-20221118 as part of the linux-next scan project: https://scan.coverity.com/projects/linux-next-weekly-scan You're getting this email because you were associated with the identified lines of code (noted below) that were touched by commits: Thu Nov 17 11:55:28 2022 -0500 32dce0f9611b ("NFSD: add support for sending CB_RECALL_ANY") Coverity reported the following: *** CID 1527365: Error handling issues (CHECKED_RETURN) fs/nfsd/nfs4callback.c:344 in encode_cb_recallany4args() 338 */ 339 static void 340 encode_cb_recallany4args(struct xdr_stream *xdr, 341 struct nfs4_cb_compound_hdr *hdr, struct nfsd4_cb_recall_any *ra) 342 { 343 encode_nfs_cb_opnum4(xdr, OP_CB_RECALL_ANY); vvv CID 1527365: Error handling issues (CHECKED_RETURN) vvv Calling "xdr_stream_encode_u32" without checking return value (as is done elsewhere 23 out of 24 times). 344 xdr_stream_encode_u32(xdr, ra->ra_keep); 345 xdr_stream_encode_uint32_array(xdr, ra->ra_bmval, 346 ARRAY_SIZE(ra->ra_bmval)); 347 hdr->nops++; 348 } 349 If this is a false positive, please let us know so we can mark it as such, or teach the Coverity rules to be smarter. If not, please make sure fixes get into linux-next. :) For patches fixing this, please include these lines (but double-check the "Fixes" first): Reported-by: coverity-bot <keescook+coverity-bot@...omium.org> Addresses-Coverity-ID: 1527365 ("Error handling issues") Fixes: 32dce0f9611b ("NFSD: add support for sending CB_RECALL_ANY") Thanks for your attention! -- Coverity-bot
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