From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5155C1D5CF6; Tue, 3 Sep 2024 20:42:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725396140; cv=none; b=NAQYtSwOWNrXE1ESPUbv9N7Q0glFLqgGdBSMdB/38/J0RpYyoM8Zpzc99Xty6rpgjLMs/ybiz9YiMT+Iri/VAQWky0mYVuzsJ+b1StbQG9DnKshYyrctX9rNA/y6wgN6VJDSGV1anYfbSWL01cZy7VKaVCS49B0gMe+RRo7sGC4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725396140; c=relaxed/simple; bh=j45dtGe1JbA6NaHG0W7dRRtycTu/PakftatcafLRIr4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bljRZNMs4NGyf199nN1A1IpGOG1DOifgJp3k9zmYe5LUqlDoeMq+wdi66n5TJTdXvaeJSjrY/oW0r6civA1/soFYUMs2tHZNAjucJvPV/2C57qKvv1yr4lYS010lqkqOZYvO61dMx1StF/0YD5e6jb9bAWk2v2sQb2nnyvNEL+8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eD7r4+AN; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="eD7r4+AN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 984F7C4CEC9; Tue, 3 Sep 2024 20:42:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725396139; bh=j45dtGe1JbA6NaHG0W7dRRtycTu/PakftatcafLRIr4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eD7r4+AN5u90jhGBCVVVQ/VTL+Xs6xPjwKcb3fELICg+0+3myeBWh05MNXRT0Rccm rT00Ug/zxDZr112/iL+eo0EGItlrVo/xC09fQXu1PtH+yaAVfGMtvu4ywKXGEvgJbN 62RNSpTbPmJgb6+P/cwstxLVmu4NaxvpH7/Qca4ktLHRvEv9GYsMlb9yF7RXygmZYS nhbT79gw5Hb2rfPW0pl1Hv3EM4TCqJqBMjVqH9eSRKBZvSivefqsC4CLr/chiBd5F3 7B1OFEQ9C/XLGDVENVGZW4ROdH/DRSypjUmUu/UzGa1zdBmNPCKRqQuIqU48ypnB+X 3irkR8HIqHezg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sherry Yang , Justin Tee , "Martin K . Petersen" , Sasha Levin , james.smart@broadcom.com, dick.kennedy@broadcom.com, James.Bottomley@HansenPartnership.com, linux-scsi@vger.kernel.org Subject: [PATCH AUTOSEL 6.10 07/22] scsi: lpfc: Fix overflow build issue Date: Tue, 3 Sep 2024 15:21:54 -0400 Message-ID: <20240903192243.1107016-7-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240903192243.1107016-1-sashal@kernel.org> References: <20240903192243.1107016-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.10.7 Content-Transfer-Encoding: 8bit From: Sherry Yang [ Upstream commit 3417c9574e368f0330637505f00d3814ca8854d2 ] Build failed while enabling "CONFIG_GCOV_KERNEL=y" and "CONFIG_GCOV_PROFILE_ALL=y" with following error: BUILDSTDERR: drivers/scsi/lpfc/lpfc_bsg.c: In function 'lpfc_get_cgnbuf_info': BUILDSTDERR: ./include/linux/fortify-string.h:114:33: error: '__builtin_memcpy' accessing 18446744073709551615 bytes at offsets 0 and 0 overlaps 9223372036854775807 bytes at offset -9223372036854775808 [-Werror=restrict] BUILDSTDERR: 114 | #define __underlying_memcpy __builtin_memcpy BUILDSTDERR: | ^ BUILDSTDERR: ./include/linux/fortify-string.h:637:9: note: in expansion of macro '__underlying_memcpy' BUILDSTDERR: 637 | __underlying_##op(p, q, __fortify_size); \ BUILDSTDERR: | ^~~~~~~~~~~~~ BUILDSTDERR: ./include/linux/fortify-string.h:682:26: note: in expansion of macro '__fortify_memcpy_chk' BUILDSTDERR: 682 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ BUILDSTDERR: | ^~~~~~~~~~~~~~~~~~~~ BUILDSTDERR: drivers/scsi/lpfc/lpfc_bsg.c:5468:9: note: in expansion of macro 'memcpy' BUILDSTDERR: 5468 | memcpy(cgn_buff, cp, cinfosz); BUILDSTDERR: | ^~~~~~ This happens from the commit 06bb7fc0feee ("kbuild: turn on -Wrestrict by default"). Address this issue by using size_t type. Signed-off-by: Sherry Yang Link: https://lore.kernel.org/r/20240821065131.1180791-1-sherry.yang@oracle.com Reviewed-by: Justin Tee Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/lpfc/lpfc_bsg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index 4156419c52c78..4756a3f825310 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -5410,7 +5410,7 @@ lpfc_get_cgnbuf_info(struct bsg_job *job) struct get_cgnbuf_info_req *cgnbuf_req; struct lpfc_cgn_info *cp; uint8_t *cgn_buff; - int size, cinfosz; + size_t size, cinfosz; int rc = 0; if (job->request_len < sizeof(struct fc_bsg_request) + -- 2.43.0