Fixed findings

List of Findings

Error: GCC_ANALYZER_WARNING (CWE-126): [#def1]
libnftnl-1.2.8/src/chain.c:260:24: warning[-Wanalyzer-out-of-bounds]: stack-based buffer over-read
libnftnl-1.2.8/src/chain.c:324:6: enter_function: entry to 'nftnl_chain_set_u8'
libnftnl-1.2.8/src/chain.c:326:9: call_function: calling 'nftnl_chain_set_data' from 'nftnl_chain_set_u8'
#  258|   	case NFTNL_CHAIN_DEVICES:
#  259|   		dev_array = (const char **)data;
#  260|-> 		while (dev_array[len] != NULL)
#  261|   			len++;
#  262|   

Error: GCC_ANALYZER_WARNING (CWE-131): [#def2]
libnftnl-1.2.8/src/chain.c:260:33: warning[-Wanalyzer-allocation-size]: allocated buffer size is not a multiple of the pointee's size
libnftnl-1.2.8/src/chain.c:312:6: enter_function: entry to 'nftnl_chain_set_s32'
libnftnl-1.2.8/src/chain.c:314:9: call_function: calling 'nftnl_chain_set_data' from 'nftnl_chain_set_s32'
#  258|   	case NFTNL_CHAIN_DEVICES:
#  259|   		dev_array = (const char **)data;
#  260|-> 		while (dev_array[len] != NULL)
#  261|   			len++;
#  262|   

Error: GCC_ANALYZER_WARNING (CWE-126): [#def3]
libnftnl-1.2.8/src/chain.c:274:43: warning[-Wanalyzer-out-of-bounds]: stack-based buffer over-read
libnftnl-1.2.8/src/chain.c:312:6: enter_function: entry to 'nftnl_chain_set_s32'
libnftnl-1.2.8/src/chain.c:314:9: call_function: calling 'nftnl_chain_set_data' from 'nftnl_chain_set_s32'
#  272|   
#  273|   		for (i = 0; i < len; i++)
#  274|-> 			c->dev_array[i] = strdup(dev_array[i]);
#  275|   
#  276|   		c->dev_array_len = len;

Error: GCC_ANALYZER_WARNING (CWE-131): [#def4]
libnftnl-1.2.8/src/chain.c:274:59: warning[-Wanalyzer-allocation-size]: allocated buffer size is not a multiple of the pointee's size
libnftnl-1.2.8/src/chain.c:312:6: enter_function: entry to 'nftnl_chain_set_s32'
libnftnl-1.2.8/src/chain.c:314:9: call_function: calling 'nftnl_chain_set_data' from 'nftnl_chain_set_s32'
#  272|   
#  273|   		for (i = 0; i < len; i++)
#  274|-> 			c->dev_array[i] = strdup(dev_array[i]);
#  275|   
#  276|   		c->dev_array_len = len;

Error: GCC_ANALYZER_WARNING (CWE-126): [#def5]
libnftnl-1.2.8/src/flowtable.c:139:24: warning[-Wanalyzer-out-of-bounds]: stack-based buffer over-read
libnftnl-1.2.8/src/flowtable.c:184:6: enter_function: entry to 'nftnl_flowtable_set_s32'
libnftnl-1.2.8/src/flowtable.c:186:9: call_function: calling 'nftnl_flowtable_set_data' from 'nftnl_flowtable_set_s32'
#  137|   	case NFTNL_FLOWTABLE_DEVICES:
#  138|   		dev_array = (const char **)data;
#  139|-> 		while (dev_array[len] != NULL)
#  140|   			len++;
#  141|   

Error: GCC_ANALYZER_WARNING (CWE-131): [#def6]
libnftnl-1.2.8/src/flowtable.c:139:33: warning[-Wanalyzer-allocation-size]: allocated buffer size is not a multiple of the pointee's size
libnftnl-1.2.8/src/flowtable.c:184:6: enter_function: entry to 'nftnl_flowtable_set_s32'
libnftnl-1.2.8/src/flowtable.c:186:9: call_function: calling 'nftnl_flowtable_set_data' from 'nftnl_flowtable_set_s32'
#  137|   	case NFTNL_FLOWTABLE_DEVICES:
#  138|   		dev_array = (const char **)data;
#  139|-> 		while (dev_array[len] != NULL)
#  140|   			len++;
#  141|   

Error: GCC_ANALYZER_WARNING (CWE-126): [#def7]
libnftnl-1.2.8/src/flowtable.c:153:43: warning[-Wanalyzer-out-of-bounds]: stack-based buffer over-read
libnftnl-1.2.8/src/flowtable.c:178:6: enter_function: entry to 'nftnl_flowtable_set_u32'
libnftnl-1.2.8/src/flowtable.c:180:9: call_function: calling 'nftnl_flowtable_set_data' from 'nftnl_flowtable_set_u32'
#  151|   
#  152|   		for (i = 0; i < len; i++)
#  153|-> 			c->dev_array[i] = strdup(dev_array[i]);
#  154|   
#  155|   		c->dev_array_len = len;

Error: GCC_ANALYZER_WARNING (CWE-131): [#def8]
libnftnl-1.2.8/src/flowtable.c:153:59: warning[-Wanalyzer-allocation-size]: allocated buffer size is not a multiple of the pointee's size
libnftnl-1.2.8/src/flowtable.c:184:6: enter_function: entry to 'nftnl_flowtable_set_s32'
libnftnl-1.2.8/src/flowtable.c:186:9: call_function: calling 'nftnl_flowtable_set_data' from 'nftnl_flowtable_set_s32'
#  151|   
#  152|   		for (i = 0; i < len; i++)
#  153|-> 			c->dev_array[i] = strdup(dev_array[i]);
#  154|   
#  155|   		c->dev_array_len = len;

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