From: Rahul Bhansali <rbhansali@marvell.com>
To: Thomas Monjalon <thomas@monjalon.net>,
Akhil Goyal <gakhil@marvell.com>,
Amit Prakash Shukla <amitprakashs@marvell.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
"ruifeng.wang@arm.com" <ruifeng.wang@arm.com>,
"honnappa.nagarahalli@arm.com" <honnappa.nagarahalli@arm.com>
Subject: RE: [EXT] DPDK build for Arm with GCC 12
Date: Thu, 6 Oct 2022 06:14:11 +0000 [thread overview]
Message-ID: <PH0PR18MB3846E226E5504E443CA447B2B85C9@PH0PR18MB3846.namprd18.prod.outlook.com> (raw)
In-Reply-To: <5990131.2l3rmUXbR5@thomas>
Hi Thomas,
> -----Original Message-----
> From: Thomas Monjalon <thomas@monjalon.net>
> Sent: Tuesday, October 4, 2022 6:17 PM
> To: Rahul Bhansali <rbhansali@marvell.com>; Akhil Goyal
> <gakhil@marvell.com>
> Cc: dev@dpdk.org; ruifeng.wang@arm.com; honnappa.nagarahalli@arm.com
> Subject: [EXT] DPDK build for Arm with GCC 12
>
> External Email
>
> ----------------------------------------------------------------------
> Hello,
>
> GCC 12 suspects an out-of-bound write in NEON port_groupx4():
>
> In file included from examples/ipsec-secgw/ipsec_neon.h:9,
> from examples/ipsec-secgw/ipsec_lpm_neon.h:9,
> from examples/ipsec-secgw/ipsec_worker.c:16:
> examples/common/neon/port_group.h: In function 'port_groupx4':
> examples/common/neon/port_group.h:42:21: error:
> array subscript 'union <anonymous>[0]' is partly outside
> array bounds of 'uint16_t[5]'
> 42 | pnum->u64 = gptbl[v].pnum;
> | ^~
> examples/common/neon/port_group.h:21:23: note:
> object 'pn' of size [0, 10]
> 21 | port_groupx4(uint16_t pn[FWDSTEP + 1], uint16_t *lp, uint16x8_t dp1,
> | ~~~~~~~~~^~~~~~~~~~~~~~~
> examples/common/neon/port_group.h:43:21: error:
> array subscript 'union <anonymous>[0]' is partly outside
> array bounds of 'uint16_t[5]'
> 43 | pnum->u16[FWDSTEP] = 1;
> | ^~
> examples/common/neon/port_group.h:21:23: note:
> object 'pn' of size [0, 10]
> 21 | port_groupx4(uint16_t pn[FWDSTEP + 1], uint16_t *lp, uint16x8_t dp1,
> | ~~~~~~~~~^~~~~~~~~~~~~~~
>
> Please could you help fixing it?
This is already addressed in http://patches.dpdk.org/project/dpdk/patch/20220902074337.3129786-1-amitprakashs@marvell.com/ by @Amit Prakash Shukla .
>
next prev parent reply other threads:[~2022-10-06 6:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-04 12:46 Thomas Monjalon
2022-10-06 6:14 ` Rahul Bhansali [this message]
2022-10-06 9:20 ` [EXT] " Thomas Monjalon
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