nft -i --debug=all
nft> add rule ip filter foo mark 42
dies with sigfpe; seems mpz doesn't like len 0:
#1 0x0805f2ee in mpz_export_data (data=0xbfeda588, op=0x9d9fb08, byteorder=BYTEORDER_HOST_ENDIAN, len=0) at gmputil.c:115
After patch this prints 0x0000002a.
---
src/datatype.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/datatype.c b/src/datatype.c
index f42e3df..f79f5d2 100644
--- a/src/datatype.c
+++ b/src/datatype.c
@@ -156,13 +156,14 @@ out:
void symbolic_constant_print(const struct symbol_table *tbl,
const struct expr *expr)
{
+ unsigned int len = div_round_up(expr->len, BITS_PER_BYTE);
const struct symbolic_constant *s;
uint64_t val = 0;
/* Export the data in the correct byteorder for comparison */
assert(expr->len / BITS_PER_BYTE <= sizeof(val));
mpz_export_data(constant_data_ptr(val, expr->len), expr->value,
- expr->byteorder, expr->len / BITS_PER_BYTE);
+ expr->byteorder, len);
for (s = tbl->symbols; s->identifier != NULL; s++) {
if (val == s->value)
--
2.1.0
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