[Nasm-devel] [PATCH] asm: Always check the size of address is sitting inside bounds

[Cyrill G. <gor...@gm...>]

In particular

 | call 0xdeadbeef12345678

should warn a user about address cutoff.

https://bugzilla.nasm.us/show_bug.cgi?id=3392422

Signed-off-by: Cyrill Gorcunov <gor...@gm...>
---

Peter, I don't get why we check for address not being overflowed
under _if_ condition only, looks like a bug for me, no?

 asm/assemble.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/asm/assemble.c b/asm/assemble.c
index 6d3e25e..e81354f 100644
--- a/asm/assemble.c
+++ b/asm/assemble.c
@@ -374,8 +374,8 @@ static void out(struct out_data *data)
         nasm_assert(data->size <= 8);
         asize = data->size;
         amax = ofmt->maxbits >> 3; /* Maximum address size in bytes */
+        warn_overflow_out(addrval, asize, data->sign);
         if (data->tsegment == fixseg && data->twrt == NO_SEG) {
-            warn_overflow_out(addrval, asize, data->sign);
             xdata.q = cpu_to_le64(addrval);
             data->data = xdata.b;
             data->type = OUT_RAWDATA;
-- 
2.7.5