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 090021684A3; Tue, 15 Oct 2024 11:37:32 +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=1728992252; cv=none; b=aTZTNEf0fksMA4qfwCxZOpckKGWTzgfU99zoswz457ghf9vPZc2Ed2ZDo6QTqfhSdtZNhdzBYMISqTW07V4W3fO60l42t5AnGNSXq1q2Xmlzg0grKGxecbnovmjzq9GmM1B9997iy2Oz5F2nQDPVbxoJ+cW7ZkPKNChNzqlmGAc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728992252; c=relaxed/simple; bh=RBV3yrqUSdPawR3S1ohKbe59a/+sPWYMVuasLVMCw+g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=k2onRk6gK+F5BgL4E4ISH+6dvjTtmmdmsyjzTj4cECS0nZvOIELrpVPJnfDSSiROP/5FGKh8/odoxkaKYjjUsPZ6XO3W0wGMhl6Op4EQOwLUg3Aj7iBggxkDmgyeKD+yv6+vu/hRI2POqxR9jabrcW8fgqq7BWrn6HAHjNrHm8o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=uRn1NtsW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="uRn1NtsW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 77C5CC4CECE; Tue, 15 Oct 2024 11:37:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1728992251; bh=RBV3yrqUSdPawR3S1ohKbe59a/+sPWYMVuasLVMCw+g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=uRn1NtsWASJ3DOtfaKloLs+QixP+ZxixR4HBUKm9fKOB7U4JksrUlfS81n+voP5FV FSzhNo9A3EDStpD9ZOjZj8MTmrxDlBoIkKek4o1IHY22TQNccqXISnE5UPEh7nB0wI VEfT5EB0ILHfmAIJGJjUDhcMiTywvnsNoKjb6FgI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sherry Yang , Justin Tee , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 5.15 062/691] scsi: lpfc: Fix overflow build issue Date: Tue, 15 Oct 2024 13:20:10 +0200 Message-ID: <20241015112442.816271597@linuxfoundation.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241015112440.309539031@linuxfoundation.org> References: <20241015112440.309539031@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ 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 ed827f198cb68..45c59006945b9 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -5761,7 +5761,7 @@ 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