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 AE9F61E0B85; Tue, 3 Sep 2024 20:44:02 +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=1725396243; cv=none; b=Cf43NLhikVynldEDoPxrH3b6wpWqMb6ReF6lN9Tr1YXsKB4JDvnhn8JIBOmOwqRl75Eixr86+L7t946R8QS54xbhW2izBzeETfEWtfUVfT7e/XS4rlkvBmqFUnsJD9cP/iC7bGDjRSfW6/A5K8DU036EprxZ1q5tPi4UBE028/I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725396243; c=relaxed/simple; bh=4GHljhC8GdX/tdfTivG4DA0zYIZ8UTvqOdlDcNuI08Y=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mg4YVmt935bDjczHFhVlu6gYXkXQAhROxWxcDQBqk7s92tcsE6mtU3qm0SySK2KrocVdLxNb16jIrJx6qgMdd22OGaQ9CZeMvct8a+OCPU0Wnjwbagqa/tmYRhT/rcpkRj2yQ7DxC3Vo9In5pZ2sRkUa8UGPU8PBShHdWWYPgnk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EYX9arli; 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="EYX9arli" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 15FBFC4CEC5; Tue, 3 Sep 2024 20:44:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1725396242; bh=4GHljhC8GdX/tdfTivG4DA0zYIZ8UTvqOdlDcNuI08Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EYX9arli1+GRD9t+Mx8emoo/BvXv/0ES+06BRGCOLoJY6eJPvwsjTG474L2F47OgD 1YwS159fJZugmkcfLq35oWpgkY5xkdO8LttFbDMtJWFYW5Psdfw+5VQOfBaTasWOI6 t9cNULhY/y+4Ps2C942X9qYAmOIGZcWo6sTdTdKO/LZe3wI6HawKi7hl3O67u3gN+C kLA+7u6uysj86+SInsDRq9GUSCmpa9RSNHrGiYGHLKPraw3KAmIfGhYc+nYnsQFuHt AvA8zhbwGjlQ25yYbYkOvUXIFRR3jp+ZOb/+4DiAYA13LFD+XG2spJ0OtWm7hokL+u /b0aUErUnXsgQ== 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 6.6 07/20] scsi: lpfc: Fix overflow build issue Date: Tue, 3 Sep 2024 15:23:39 -0400 Message-ID: <20240903192425.1107562-7-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240903192425.1107562-1-sashal@kernel.org> References: <20240903192425.1107562-1-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 6.6.48 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 c305d16cfae9a..0166f86c7b71a 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -5409,7 +5409,7 @@ 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