Enhance diagnostics of address truncation in sockname family syscalls
* net.c (decode_sockname): Print both user and kernel address lengths
when the returned address is truncated.
* tests/sun_path.expected: Update expected output.
diff --git a/net.c b/net.c
index 86d93fc..245cae9 100644
--- a/net.c
+++ b/net.c
@@ -225,7 +225,10 @@
tprintf(", [%d]", ulen);
} else {
decode_sockaddr(tcp, tcp->u_arg[1], ulen > rlen ? rlen : ulen);
- tprintf(", [%d]", rlen);
+ if (ulen < rlen)
+ tprintf(", [%d->%d]", ulen, rlen);
+ else
+ tprintf(", [%d]", rlen);
}
return RVAL_DECODED;
diff --git a/tests/sun_path.expected b/tests/sun_path.expected
index 4407686..30a11c0 100644
--- a/tests/sun_path.expected
+++ b/tests/sun_path.expected
@@ -1,3 +1,3 @@
[1-9][0-9]* +[0-9]+:[0-9]+:[0-9]+\.[0-9]+ +bind\(0, \{sa_family=AF_(LOCAL|UNIX|FILE), sun_path="123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678"\}, 110\) += 0
-[1-9][0-9]* +[0-9]+:[0-9]+:[0-9]+\.[0-9]+ +getsockname\(0, \{sa_family=AF_(LOCAL|UNIX|FILE), sun_path="123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678"\}, \[111\]\) += 0
+[1-9][0-9]* +[0-9]+:[0-9]+:[0-9]+\.[0-9]+ +getsockname\(0, \{sa_family=AF_(LOCAL|UNIX|FILE), sun_path="123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678"\}, \[110->111\]\) += 0
[1-9][0-9]* +[0-9]+:[0-9]+:[0-9]+\.[0-9]+ +connect\(1, \{sa_family=AF_(LOCAL|UNIX|FILE), sun_path="123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678"\}, 110\) += 0