On 11/1/2023 8:12 AM, Ori Kam wrote: > Hi > >> -----Original Message----- >> From: Ruifeng Wang <[email protected]> >> Sent: Wednesday, November 1, 2023 9:16 AM >> >> aarch32 build with gcc-13.0.1 generated following warning: >> >> In function 'memcpy', >> inlined from 'rte_memcpy' at >> ../lib/eal/arm/include/rte_memcpy_32.h:296:9, >> inlined from 'rte_flow_conv_action_conf' at >> ../lib/ethdev/rte_flow.c:726:20, >> inlined from 'rte_flow_conv_actions' at ../lib/ethdev/rte_flow.c:936:10: >> warning: '__builtin_memcpy' specified bound 4294967264 exceeds maximum >> object size 2147483647 [-Wstringop-overflow=] >> >> The issue is due to possible wrapping in unsigned arithmetic. >> The 'size' can be 0. 'off' is 32. When 'tmp' is equal to (unsigned)-32, >> the copy length is more than half the address space. Hence the warning. >> >> Casted variables to 64-bit to avoid wrapping. >> >> Fixes: 063911ee1df4 ("ethdev: add flow API object converter") >> Cc: [email protected] >> >> Reported-by: Luca Boccassi <[email protected]> >> Signed-off-by: Ruifeng Wang <[email protected]> >>> > Acked-by: Ori Kam <[email protected]> >
Acked-by: Ferruh Yigit <[email protected]> Applied to dpdk-next-net/main, thanks.
