Re: [dpdk-dev] [PATCH] app/test: fix array overflow warning with gcc 4.5

[Thomas Monjalon <thomas.monjalon@6wind.com>]

2016-06-09 13:14, Tomasz Kulasek:
> DPDK/app/test/test_cryptodev.c: In function ‘create_snow3g_cipher_operation
> _oop.clone.15’: DPDK/x86_64-native-linuxapp-gcc/include/rte_memcpy.h:796:14
> error: array subscript is above array bounds.
> 
> In test_cryptodev.c:
> 2429	rte_memcpy(sym_op->cipher.iv.data, iv, iv_len);
> 
> When iv_len is declared as 'unsigned int', rte_memcpy evaluates code for
> buffer size bigger than 255, but while 'iv' array is 64 bytes long, it
> causes 'above array bounds' warning in gcc 4.5 and breaks compilation.
> 
> Using uint8_t as a size of copied block prevents to evaluate in rte_memcpy
> code for length bigger than 255, causing the problem.
> 
> The root of this issue and solution is the same as for commit 2c007ea10616
> ("app/test: fix array overflow warning with gcc 4.5")
> 
> Fixes: 9727af14b032 ("app/test: add out-of-place symmetric crypto
>        operations")
> 
> Signed-off-by: Tomasz Kulasek <tomaszx.kulasek@intel.com>

Applied, thanks