> -----Original Message-----
> From: Yigit, Ferruh <ferruh.yi...@intel.com>
> Sent: Friday, October 29, 2021 6:37 PM
> To: Xing, Beilei <beilei.x...@intel.com>
> Cc: Yigit, Ferruh <ferruh.yi...@intel.com>; dev@dpdk.org; Zhang, Qi Z
> <qi.z.zh...@intel.com>
> Subject: [PATCH] net/i40e: fix build for 32-bit
>
> Got error with: gcc 11.2.1 "cc (GCC) 11.2.1 20210728 (Red Hat 11.2.1-1)"
>
> Build error:
> In function ‘i40e_flow_parse_fdir_pattern’,
> inlined from ‘i40e_flow_parse_fdir_filter’
> at ../drivers/net/i40e/i40e_flow.c:3274:8:
> ../drivers/net/i40e/i40e_flow.c:3052:69:
> error: writing 1 byte into a region of size 0
> [-Werror=stringop-overflow=]
> 3052 | filter->input.flow_ext.flexbytes[j] =
> |
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
> 3053 | raw_spec->pattern[i];
> | ~~~~~~~~~~~~~~~~~~~~
> In file included from ../drivers/net/i40e/i40e_flow.c:25:
> ../drivers/net/i40e/i40e_flow.c:
> In function ‘i40e_flow_parse_fdir_filter’:
> ../drivers/net/i40e/i40e_ethdev.h:638:17:
> note: at offset 16 into destination object ‘flexbytes’ of size 16
> 638 | uint8_t flexbytes[RTE_ETH_FDIR_MAX_FLEXLEN];
> | ^~~~~~~~~
>
> Fixing by adding range checks.
>
> Signed-off-by: Ferruh Yigit <ferruh.yi...@intel.com>
Acked-by: Qi Zhang <qi.z.zh...@intel.com>
Applied to dpdk-next-net-intel after added below fixline and Cc stable.
Fixes: 6ced3dd72f5f ("net/i40e: support flexible payload parsing for FDIR")
Thanks
Qi
